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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>LibOFX: tree.hh Source File</title>
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    <li><a href="main.html"><span>Main&nbsp;Page</span></a></li>
    <li><a href="namespaces.html"><span>Namespaces</span></a></li>
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<h1>tree.hh</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* </span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">   $Id: tree.hh,v 1.6 2006/07/20 04:41:16 benoitg Exp $</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment">   STL-like templated tree class.</span>
<a name="l00006"></a>00006 <span class="comment">   Copyright (C) 2001-2005  Kasper Peeters &lt;kasper.peeters@aei.mpg.de&gt;.</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment">*/</span>
<a name="l00009"></a>00009 
<a name="l00026"></a>00026 <span class="comment">/*</span>
<a name="l00027"></a>00027 <span class="comment">   This program is free software; you can redistribute it and/or modify</span>
<a name="l00028"></a>00028 <span class="comment">   it under the terms of the GNU General Public License as published by</span>
<a name="l00029"></a>00029 <span class="comment">   the Free Software Foundation; version 2.</span>
<a name="l00030"></a>00030 <span class="comment">   </span>
<a name="l00031"></a>00031 <span class="comment">   This program is distributed in the hope that it will be useful,</span>
<a name="l00032"></a>00032 <span class="comment">   but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00033"></a>00033 <span class="comment">   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00034"></a>00034 <span class="comment">   GNU General Public License for more details.</span>
<a name="l00035"></a>00035 <span class="comment">   </span>
<a name="l00036"></a>00036 <span class="comment">   You should have received a copy of the GNU General Public License</span>
<a name="l00037"></a>00037 <span class="comment">   along with this program; if not, write to the Free Software</span>
<a name="l00038"></a>00038 <span class="comment">   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</span>
<a name="l00039"></a>00039 <span class="comment">*/</span>
<a name="l00040"></a>00040 
<a name="l00058"></a>00058 <span class="preprocessor">#ifndef tree_hh_</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#define tree_hh_</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>
<a name="l00061"></a>00061 <span class="preprocessor">#include &lt;cassert&gt;</span>
<a name="l00062"></a>00062 <span class="preprocessor">#include &lt;memory&gt;</span>
<a name="l00063"></a>00063 <span class="preprocessor">#include &lt;stdexcept&gt;</span>
<a name="l00064"></a>00064 <span class="preprocessor">#include &lt;iterator&gt;</span>
<a name="l00065"></a>00065 <span class="preprocessor">#include &lt;set&gt;</span>
<a name="l00066"></a>00066 
<a name="l00067"></a>00067 <span class="comment">// HP-style construct/destroy have gone from the standard,</span>
<a name="l00068"></a>00068 <span class="comment">// so here is a copy.</span>
<a name="l00069"></a>00069 
<a name="l00070"></a><a class="code" href="namespacekp.html">00070</a> <span class="keyword">namespace </span>kp {
<a name="l00071"></a>00071 
<a name="l00072"></a>00072 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T1, <span class="keyword">class</span> T2&gt;
<a name="l00073"></a><a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">00073</a> <span class="keywordtype">void</span> <a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">constructor</a>(T1* p, T2&amp; val) 
<a name="l00074"></a>00074    {
<a name="l00075"></a>00075    <span class="keyword">new</span> ((<span class="keywordtype">void</span> *) p) T1(val);
<a name="l00076"></a>00076    }
<a name="l00077"></a>00077 
<a name="l00078"></a>00078 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T1&gt;
<a name="l00079"></a><a class="code" href="namespacekp.html#b625db515f044b7ddaa92769e2e6d745">00079</a> <span class="keywordtype">void</span> <a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">constructor</a>(T1* p) 
<a name="l00080"></a>00080    {
<a name="l00081"></a>00081    <span class="keyword">new</span> ((<span class="keywordtype">void</span> *) p) T1;
<a name="l00082"></a>00082    }
<a name="l00083"></a>00083 
<a name="l00084"></a>00084 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T1&gt;
<a name="l00085"></a><a class="code" href="namespacekp.html#a6813c11eeb1c091cdd1eff62de70914">00085</a> <span class="keywordtype">void</span> <a class="code" href="namespacekp.html#a6813c11eeb1c091cdd1eff62de70914">destructor</a>(T1* p)
<a name="l00086"></a>00086    {
<a name="l00087"></a>00087    p-&gt;~T1();
<a name="l00088"></a>00088    }
<a name="l00089"></a>00089 
<a name="l00090"></a>00090 };
<a name="l00091"></a>00091 
<a name="l00093"></a>00093 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
<a name="l00094"></a><a class="code" href="classtree__node__.html">00094</a> <span class="keyword">class </span><a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node_</a> { <span class="comment">// size: 5*4=20 bytes (on 32 bit arch), can be reduced by 8.</span>
<a name="l00095"></a>00095    <span class="keyword">public</span>:
<a name="l00096"></a><a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">00096</a>       <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node_&lt;T&gt;</a> *<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l00097"></a><a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">00097</a>       <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node_&lt;T&gt;</a> *<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>, *<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>;
<a name="l00098"></a><a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">00098</a>       <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node_&lt;T&gt;</a> *<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>, *<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00099"></a><a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">00099</a>       T <a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>;
<a name="l00100"></a>00100 }; <span class="comment">// __attribute__((packed));</span>
<a name="l00101"></a>00101 
<a name="l00102"></a>00102 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator = std::allocator&lt;tree_node_&lt;T&gt; &gt; &gt;
<a name="l00103"></a><a class="code" href="classtree.html">00103</a> <span class="keyword">class </span><a class="code" href="classtree.html">tree</a> {
<a name="l00104"></a>00104    <span class="keyword">protected</span>:
<a name="l00105"></a><a class="code" href="classtree.html#672d078d87ae97c58b732a940d7b8ca8">00105</a>       <span class="keyword">typedef</span> <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node_&lt;T&gt;</a> <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a>;
<a name="l00106"></a>00106    <span class="keyword">public</span>:
<a name="l00108"></a><a class="code" href="classtree.html#1e7bcd21e7420f7922a1bca79080acfa">00108</a>       <span class="keyword">typedef</span> T <a class="code" href="classOfxGenericContainer.html" title="A generic container for an OFX SGML element. Every container inherits from OfxGenericContainer...">value_type</a>;
<a name="l00109"></a>00109 
<a name="l00110"></a>00110       <span class="keyword">class </span>iterator_base;
<a name="l00111"></a>00111       <span class="keyword">class </span>pre_order_iterator;
<a name="l00112"></a>00112       <span class="keyword">class </span>post_order_iterator;
<a name="l00113"></a>00113       <span class="keyword">class </span>sibling_iterator;
<a name="l00114"></a>00114 
<a name="l00115"></a>00115       <a class="code" href="classtree.html#a064a1d9dceac9b918c5247919a4a325">tree</a>();
<a name="l00116"></a>00116       <a class="code" href="classtree.html#a064a1d9dceac9b918c5247919a4a325">tree</a>(<span class="keyword">const</span> T&amp;);
<a name="l00117"></a>00117       <a class="code" href="classtree.html#a064a1d9dceac9b918c5247919a4a325">tree</a>(<span class="keyword">const</span> iterator_base&amp;);
<a name="l00118"></a>00118       <a class="code" href="classtree.html#a064a1d9dceac9b918c5247919a4a325">tree</a>(<span class="keyword">const</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;</a>&amp;);
<a name="l00119"></a>00119       <a class="code" href="classtree.html#f0169b515c95f4299fd2d984137b7868">~tree</a>();
<a name="l00120"></a>00120       <span class="keywordtype">void</span> <a class="code" href="classtree.html#9561c0c73b0605f32bf82a026eaf216a">operator=</a>(<span class="keyword">const</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;</a>&amp;);
<a name="l00121"></a>00121 
<a name="l00123"></a>00123 <span class="preprocessor">#ifdef __SGI_STL_PORT</span>
<a name="l00124"></a>00124 <span class="preprocessor"></span>      <span class="keyword">class </span>iterator_base : <span class="keyword">public</span> stlport::bidirectional_iterator&lt;T, ptrdiff_t&gt; {
<a name="l00125"></a>00125 <span class="preprocessor">#else</span>
<a name="l00126"></a><a class="code" href="classtree_1_1iterator__base.html">00126</a> <span class="preprocessor"></span>      <span class="keyword">class </span><a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a> {
<a name="l00127"></a>00127 <span class="preprocessor">#endif</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span>         <span class="keyword">public</span>:
<a name="l00129"></a><a class="code" href="classtree_1_1iterator__base.html#ab430bec9e607ae24cdd2bdffe3faf70">00129</a>             <span class="keyword">typedef</span> T                               <a class="code" href="classtree_1_1iterator__base.html#ab430bec9e607ae24cdd2bdffe3faf70">value_type</a>;
<a name="l00130"></a><a class="code" href="classtree_1_1iterator__base.html#0665bed45269b6f7b97809ea9920008e">00130</a>             <span class="keyword">typedef</span> T*                              <a class="code" href="classtree_1_1iterator__base.html#0665bed45269b6f7b97809ea9920008e">pointer</a>;
<a name="l00131"></a><a class="code" href="classtree_1_1iterator__base.html#063faf883017de195e7e72cf55be6914">00131</a>             <span class="keyword">typedef</span> T&amp;                              <a class="code" href="classtree_1_1iterator__base.html#063faf883017de195e7e72cf55be6914">reference</a>;
<a name="l00132"></a><a class="code" href="classtree_1_1iterator__base.html#a2b239ac4db713d5b191e696584a9076">00132</a>             <span class="keyword">typedef</span> <span class="keywordtype">size_t</span>                          <a class="code" href="classtree_1_1iterator__base.html#a2b239ac4db713d5b191e696584a9076">size_type</a>;
<a name="l00133"></a><a class="code" href="classtree_1_1iterator__base.html#eff66472181aa05d50c7ffe4a91dc4c0">00133</a>             <span class="keyword">typedef</span> ptrdiff_t                       <a class="code" href="classtree_1_1iterator__base.html#eff66472181aa05d50c7ffe4a91dc4c0">difference_type</a>;
<a name="l00134"></a><a class="code" href="classtree_1_1iterator__base.html#7d0ace14418254eaab7526f1d0aabf40">00134</a>             <span class="keyword">typedef</span> std::bidirectional_iterator_tag <a class="code" href="classtree_1_1iterator__base.html#7d0ace14418254eaab7526f1d0aabf40">iterator_category</a>;
<a name="l00135"></a>00135 
<a name="l00136"></a>00136             <a class="code" href="classtree_1_1iterator__base.html#1be2e6802acca5f281ddc7e5d67bd61c">iterator_base</a>();
<a name="l00137"></a>00137             <a class="code" href="classtree_1_1iterator__base.html#1be2e6802acca5f281ddc7e5d67bd61c">iterator_base</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *);
<a name="l00138"></a>00138 
<a name="l00139"></a>00139             T&amp;             <a class="code" href="classtree_1_1iterator__base.html#ada7cbe4d4f9a5ec29db78d10712edc6">operator*</a>() <span class="keyword">const</span>;
<a name="l00140"></a>00140             T*             <a class="code" href="classtree_1_1iterator__base.html#bd9c59569df7d8be5a50c835c180f4dc">operator-&gt;</a>() <span class="keyword">const</span>;
<a name="l00141"></a>00141 
<a name="l00143"></a>00143             <span class="keywordtype">void</span>         <a class="code" href="classtree_1_1iterator__base.html#a0be7989b9dd4c5bcdcc0d47a56d11fb" title="When called, the next increment/decrement skips children of this node.">skip_children</a>();
<a name="l00145"></a>00145             <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classtree_1_1iterator__base.html#435004214270928d106dd4c8f6a36f17" title="Number of children of the node pointed to by the iterator.">number_of_children</a>() <span class="keyword">const</span>;
<a name="l00146"></a>00146 
<a name="l00147"></a>00147             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">begin</a>() <span class="keyword">const</span>;
<a name="l00148"></a>00148             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">end</a>() <span class="keyword">const</span>;
<a name="l00149"></a>00149 
<a name="l00150"></a><a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">00150</a>             <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l00151"></a>00151          <span class="keyword">protected</span>:
<a name="l00152"></a><a class="code" href="classtree_1_1iterator__base.html#88239267268c728952e0cd89b9326e82">00152</a>             <span class="keywordtype">bool</span> <a class="code" href="classtree_1_1iterator__base.html#88239267268c728952e0cd89b9326e82">skip_current_children_</a>;
<a name="l00153"></a>00153       };
<a name="l00154"></a>00154 
<a name="l00156"></a><a class="code" href="classtree_1_1pre__order__iterator.html">00156</a>       <span class="keyword">class </span><a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> : <span class="keyword">public</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a> { 
<a name="l00157"></a>00157          <span class="keyword">public</span>:
<a name="l00158"></a>00158             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>();
<a name="l00159"></a>00159             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *);
<a name="l00160"></a>00160             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;);
<a name="l00161"></a>00161             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;);
<a name="l00162"></a>00162 
<a name="l00163"></a>00163             <span class="keywordtype">bool</span>    operator==(<span class="keyword">const</span> <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>&amp;) <span class="keyword">const</span>;
<a name="l00164"></a>00164             <span class="keywordtype">bool</span>    operator!=(<span class="keyword">const</span> <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>&amp;) <span class="keyword">const</span>;
<a name="l00165"></a>00165             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>&amp;  operator++();
<a name="l00166"></a>00166             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>&amp;  operator--();
<a name="l00167"></a>00167             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>   operator++(<span class="keywordtype">int</span>);
<a name="l00168"></a>00168             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>   operator--(<span class="keywordtype">int</span>);
<a name="l00169"></a>00169             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>&amp;  operator+=(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);
<a name="l00170"></a>00170             <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>&amp;  operator-=(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);
<a name="l00171"></a>00171       };
<a name="l00172"></a>00172 
<a name="l00174"></a><a class="code" href="classtree_1_1post__order__iterator.html">00174</a>       <span class="keyword">class </span><a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a> : <span class="keyword">public</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a> {
<a name="l00175"></a>00175          <span class="keyword">public</span>:
<a name="l00176"></a>00176             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>();
<a name="l00177"></a>00177             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *);
<a name="l00178"></a>00178             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;);
<a name="l00179"></a>00179             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;);
<a name="l00180"></a>00180 
<a name="l00181"></a>00181             <span class="keywordtype">bool</span>    operator==(<span class="keyword">const</span> <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>&amp;) <span class="keyword">const</span>;
<a name="l00182"></a>00182             <span class="keywordtype">bool</span>    operator!=(<span class="keyword">const</span> <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>&amp;) <span class="keyword">const</span>;
<a name="l00183"></a>00183             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>&amp;  operator++();
<a name="l00184"></a>00184             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>&amp;  operator--();
<a name="l00185"></a>00185             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>   operator++(<span class="keywordtype">int</span>);
<a name="l00186"></a>00186             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>   operator--(<span class="keywordtype">int</span>);
<a name="l00187"></a>00187             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>&amp;  operator+=(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);
<a name="l00188"></a>00188             <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>&amp;  operator-=(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);
<a name="l00189"></a>00189 
<a name="l00191"></a>00191             <span class="keywordtype">void</span> descend_all();
<a name="l00192"></a>00192       };
<a name="l00193"></a>00193 
<a name="l00195"></a><a class="code" href="classtree.html#2079982538b88d21fe1ccea34fe7ce0e">00195</a>       <span class="keyword">typedef</span> pre_order_iterator <a class="code" href="classtree.html#2079982538b88d21fe1ccea34fe7ce0e" title="The default iterator type throughout the tree class.">iterator</a>;
<a name="l00196"></a>00196 
<a name="l00198"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html">00198</a>       <span class="keyword">class </span><a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a> : <span class="keyword">public</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a> {
<a name="l00199"></a>00199          <span class="keyword">public</span>:
<a name="l00200"></a>00200             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>();
<a name="l00201"></a>00201             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *);
<a name="l00202"></a>00202             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;);
<a name="l00203"></a>00203             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;);
<a name="l00204"></a>00204             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>&amp;);
<a name="l00205"></a>00205 
<a name="l00206"></a>00206             <span class="keywordtype">bool</span>    operator==(<span class="keyword">const</span> <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>&amp;) <span class="keyword">const</span>;
<a name="l00207"></a>00207             <span class="keywordtype">bool</span>    operator!=(<span class="keyword">const</span> <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>&amp;) <span class="keyword">const</span>;
<a name="l00208"></a>00208             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>&amp;  operator++();
<a name="l00209"></a>00209             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>&amp;  operator--();
<a name="l00210"></a>00210             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>   operator++(<span class="keywordtype">int</span>);
<a name="l00211"></a>00211             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>   operator--(<span class="keywordtype">int</span>);
<a name="l00212"></a>00212             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>&amp;  operator+=(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);
<a name="l00213"></a>00213             <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>&amp;  operator-=(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);
<a name="l00214"></a>00214 
<a name="l00215"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#5f6c92f12c4281e94e950ccd70833985">00215</a>             <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *first_parent_;
<a name="l00216"></a>00216          <span class="keyword">private</span>:
<a name="l00217"></a>00217             <span class="keywordtype">void</span> set_first_parent_();
<a name="l00218"></a>00218             <span class="keywordtype">void</span> find_leftmost_parent_();
<a name="l00219"></a>00219       };
<a name="l00220"></a>00220 
<a name="l00222"></a><a class="code" href="classtree_1_1sibling__iterator.html">00222</a>       <span class="keyword">class </span><a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> : <span class="keyword">public</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a> {
<a name="l00223"></a>00223          <span class="keyword">public</span>:
<a name="l00224"></a>00224             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>();
<a name="l00225"></a>00225             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *);
<a name="l00226"></a>00226             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;);
<a name="l00227"></a>00227             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;);
<a name="l00228"></a>00228 
<a name="l00229"></a>00229             <span class="keywordtype">bool</span>    operator==(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;) <span class="keyword">const</span>;
<a name="l00230"></a>00230             <span class="keywordtype">bool</span>    operator!=(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;) <span class="keyword">const</span>;
<a name="l00231"></a>00231             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;  operator++();
<a name="l00232"></a>00232             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;  operator--();
<a name="l00233"></a>00233             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>   operator++(<span class="keywordtype">int</span>);
<a name="l00234"></a>00234             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>   operator--(<span class="keywordtype">int</span>);
<a name="l00235"></a>00235             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;  operator+=(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);
<a name="l00236"></a>00236             <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp;  operator-=(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);
<a name="l00237"></a>00237 
<a name="l00238"></a>00238             <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *range_first() <span class="keyword">const</span>;
<a name="l00239"></a>00239             <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *range_last() <span class="keyword">const</span>;
<a name="l00240"></a><a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">00240</a>             <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *parent_;
<a name="l00241"></a>00241          <span class="keyword">private</span>:
<a name="l00242"></a>00242             <span class="keywordtype">void</span> set_parent_();
<a name="l00243"></a>00243       };
<a name="l00244"></a>00244 
<a name="l00246"></a>00246       <span class="keyword">inline</span> <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>   <a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">begin</a>() <span class="keyword">const</span>;
<a name="l00248"></a>00248       <span class="keyword">inline</span> <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>   <a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">end</a>() <span class="keyword">const</span>;
<a name="l00250"></a>00250       <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>  <a class="code" href="classtree.html#73c673d39fe46db7ca4e1533841cdbc0" title="Return post-order iterator to the beginning of the tree.">begin_post</a>() <span class="keyword">const</span>;
<a name="l00252"></a>00252       <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>  <a class="code" href="classtree.html#d339ab550fc2718e84506e91960a177f" title="Return post-order iterator to the end of the tree.">end_post</a>() <span class="keyword">const</span>;
<a name="l00254"></a>00254       <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a> <a class="code" href="classtree.html#3e7ee34b9582cb6f0bd5b25f501a1057" title="Return fixed-depth iterator to the first node at a given depth.">begin_fixed</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) <span class="keyword">const</span>;
<a name="l00256"></a>00256       <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a> <a class="code" href="classtree.html#bab26c0edd25cc836ed768e32c034165" title="Return fixed-depth iterator to end of the nodes at given depth.">end_fixed</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) <span class="keyword">const</span>;
<a name="l00258"></a>00258       <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>     <a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">begin</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;) <span class="keyword">const</span>;
<a name="l00260"></a>00260       <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>     <a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">end</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;) <span class="keyword">const</span>;
<a name="l00261"></a>00261 
<a name="l00263"></a>00263       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#aaaa1622d2d58ecda846640bd8f8bd28" title="Return iterator to the parent of a node.">parent</a>(iter) <span class="keyword">const</span>;
<a name="l00265"></a>00265       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#6d38ef0b2b73266cbc39ab021482bb50" title="Return iterator to the previous sibling of a node.">previous_sibling</a>(iter) <span class="keyword">const</span>;
<a name="l00267"></a>00267       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#4e3ea50e0949bd05e27ecb9c6b7162ff" title="Return iterator to the next sibling of a node.">next_sibling</a>(iter) <span class="keyword">const</span>;
<a name="l00269"></a>00269       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#ce3b299e157ec177230a0144771b2a7e" title="Return iterator to the next node at a given depth.">next_at_same_depth</a>(iter) <span class="keyword">const</span>;
<a name="l00270"></a>00270 
<a name="l00272"></a>00272       <span class="keywordtype">void</span>     <a class="code" href="classtree.html#a8cf6dfe17504abfc0ffabb5a4ba9d0a" title="Erase all nodes of the tree.">clear</a>();
<a name="l00274"></a>00274       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#3eb424c89446ae17a747d2aca2cdda4b" title="Erase element at position pointed to by iterator, return incremented iterator.">erase</a>(iter);
<a name="l00276"></a>00276       <span class="keywordtype">void</span>     <a class="code" href="classtree.html#05d5fd71c206efc8ac30df5cd46176bc" title="Erase all children of the node pointed to by iterator.">erase_children</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;);
<a name="l00277"></a>00277 
<a name="l00279"></a>00279       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">append_child</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>); 
<a name="l00281"></a>00281       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">append_child</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x);
<a name="l00283"></a>00283       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">append_child</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, iter other_position);
<a name="l00285"></a>00285       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#92ab22e0a98d8899c0d1b6c9d0a85465" title="Append the nodes in the from-to range (plus their children) as children of position...">append_children</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to);
<a name="l00286"></a>00286 
<a name="l00288"></a>00288       <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> <a class="code" href="classtree.html#f11d736ea971ab93651350161f5a7535" title="Short-hand to insert topmost node in otherwise empty tree.">set_head</a>(<span class="keyword">const</span> T&amp; x);
<a name="l00290"></a>00290       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#c3d19d3a42f91618267674f2c236aad9" title="Insert node as previous sibling of node pointed to by position.">insert</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x);
<a name="l00292"></a>00292       <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="classtree.html#c3d19d3a42f91618267674f2c236aad9" title="Insert node as previous sibling of node pointed to by position.">insert</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x);
<a name="l00294"></a>00294       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#d66d55d58b48ce0a8d7a5b41abe923d5" title="Insert node (with children) pointed to by subtree as previous sibling of node pointed...">insert_subtree</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; <a class="code" href="classtree.html#db61bebed6c56eb5641b0b7fab7fe625" title="Extract a new tree formed by the range of siblings plus all their children.">subtree</a>);
<a name="l00296"></a>00296       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#215ab56bd13f59c661eb2298e373ff3e" title="Insert node as next sibling of node pointed to by position.">insert_after</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x);
<a name="l00297"></a>00297 
<a name="l00299"></a>00299       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">replace</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x);
<a name="l00301"></a>00301       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">replace</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; from);
<a name="l00303"></a>00303       <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">replace</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> orig_begin, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> orig_end, 
<a name="l00304"></a>00304                                <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> new_begin,  <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> new_end); 
<a name="l00305"></a>00305 
<a name="l00307"></a>00307       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#479c8e3f748608a9b9fb91e58e18998c" title="Move all children of node at &amp;#39;position&amp;#39; to be siblings, returns position...">flatten</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>);
<a name="l00309"></a>00309       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#32b88523e2d5b6c78381b7da9455be5e" title="Move nodes in range to be children of &amp;#39;position&amp;#39;.">reparent</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">begin</a>, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">end</a>);
<a name="l00311"></a>00311       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#32b88523e2d5b6c78381b7da9455be5e" title="Move nodes in range to be children of &amp;#39;position&amp;#39;.">reparent</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, iter from);
<a name="l00312"></a>00312 
<a name="l00314"></a>00314       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#e7f72ba46cd061f71720c731b4a9bf63" title="Move &amp;#39;source&amp;#39; node (plus its children) to become the next sibling of &amp;#39;target&amp;#39;...">move_after</a>(iter target, iter source);
<a name="l00316"></a>00316       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#b45aa15042445a81b13873d3ef4a2e86" title="Move &amp;#39;source&amp;#39; node (plus its children) to become the previous sibling of...">move_before</a>(iter target, iter source);
<a name="l00318"></a>00318       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#a4f8b906b2758eec530e28387b819284" title="Move &amp;#39;source&amp;#39; node (plus its children) to become the node at &amp;#39;target&amp;#39;...">move_ontop</a>(iter target, iter source);
<a name="l00319"></a>00319 
<a name="l00321"></a>00321       <span class="keywordtype">void</span>     <a class="code" href="classtree.html#1e3cd901f8f8d8a3da0e1d32e9282db1" title="Merge with other tree, creating new branches and leaves only if they are not already...">merge</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>, 
<a name="l00322"></a>00322                      <span class="keywordtype">bool</span> duplicate_leaves=<span class="keyword">false</span>);
<a name="l00324"></a>00324       <span class="keywordtype">void</span>     <a class="code" href="classtree.html#498ec42a5eb44cba8bf9ef6e7fd5db9e" title="Sort (std::sort only moves values of nodes, this one moves children as well).">sort</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to, <span class="keywordtype">bool</span> deep=<span class="keyword">false</span>);
<a name="l00325"></a>00325       <span class="keyword">template</span>&lt;<span class="keyword">class</span> StrictWeakOrdering&gt;
<a name="l00326"></a>00326       <span class="keywordtype">void</span>     <a class="code" href="classtree.html#498ec42a5eb44cba8bf9ef6e7fd5db9e" title="Sort (std::sort only moves values of nodes, this one moves children as well).">sort</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to, StrictWeakOrdering comp, <span class="keywordtype">bool</span> deep=<span class="keyword">false</span>);
<a name="l00328"></a>00328       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt;
<a name="l00329"></a>00329       <span class="keywordtype">bool</span>     <a class="code" href="classtree.html#59488f63fc6ad997809d971c48ecfc04" title="Compare two ranges of nodes (compares nodes as well as tree structure).">equal</a>(<span class="keyword">const</span> iter&amp; one, <span class="keyword">const</span> iter&amp; two, <span class="keyword">const</span> iter&amp; three) <span class="keyword">const</span>;
<a name="l00330"></a>00330       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter, <span class="keyword">class</span> BinaryPredicate&gt;
<a name="l00331"></a>00331       <span class="keywordtype">bool</span>     <a class="code" href="classtree.html#59488f63fc6ad997809d971c48ecfc04" title="Compare two ranges of nodes (compares nodes as well as tree structure).">equal</a>(<span class="keyword">const</span> iter&amp; one, <span class="keyword">const</span> iter&amp; two, <span class="keyword">const</span> iter&amp; three, BinaryPredicate) <span class="keyword">const</span>;
<a name="l00332"></a>00332       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter&gt;
<a name="l00333"></a>00333       <span class="keywordtype">bool</span>     <a class="code" href="classtree.html#6e2e76dfa6f0f51ca6f573d73b0c1b28">equal_subtree</a>(<span class="keyword">const</span> iter&amp; one, <span class="keyword">const</span> iter&amp; two) <span class="keyword">const</span>;
<a name="l00334"></a>00334       <span class="keyword">template</span>&lt;<span class="keyword">typename</span> iter, <span class="keyword">class</span> BinaryPredicate&gt;
<a name="l00335"></a>00335       <span class="keywordtype">bool</span>     <a class="code" href="classtree.html#6e2e76dfa6f0f51ca6f573d73b0c1b28">equal_subtree</a>(<span class="keyword">const</span> iter&amp; one, <span class="keyword">const</span> iter&amp; two, BinaryPredicate) <span class="keyword">const</span>;
<a name="l00337"></a>00337       <a class="code" href="classtree.html">tree</a>     <a class="code" href="classtree.html#db61bebed6c56eb5641b0b7fab7fe625" title="Extract a new tree formed by the range of siblings plus all their children.">subtree</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to) <span class="keyword">const</span>;
<a name="l00338"></a>00338       <span class="keywordtype">void</span>     <a class="code" href="classtree.html#db61bebed6c56eb5641b0b7fab7fe625" title="Extract a new tree formed by the range of siblings plus all their children.">subtree</a>(<a class="code" href="classtree.html">tree</a>&amp;, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to) <span class="keyword">const</span>;
<a name="l00340"></a>00340       <span class="keywordtype">void</span>     <a class="code" href="classtree.html#e842f9b70235bc2412b3c43bca759448" title="Exchange the node (plus subtree) with its sibling node (do nothing if no sibling...">swap</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> it);
<a name="l00341"></a>00341       
<a name="l00343"></a>00343       <span class="keywordtype">int</span>      <a class="code" href="classtree.html#219ff1bfc99f78fd9a2db71f41891523" title="Count the total number of nodes.">size</a>() <span class="keyword">const</span>;
<a name="l00345"></a>00345       <span class="keywordtype">bool</span>     <a class="code" href="classtree.html#e9f7fd30c51443d46ca8941d5bc06da2" title="Check if tree is empty.">empty</a>() <span class="keyword">const</span>;
<a name="l00347"></a>00347       <span class="keywordtype">int</span>      <a class="code" href="classtree.html#16c66be75ca89c999a9c4a68497b05a1" title="Compute the depth to the root.">depth</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;) <span class="keyword">const</span>;
<a name="l00349"></a>00349       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classtree_1_1iterator__base.html#435004214270928d106dd4c8f6a36f17" title="Number of children of the node pointed to by the iterator.">number_of_children</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;) <span class="keyword">const</span>;
<a name="l00351"></a>00351       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classtree.html#3cddce970c4d44af57cf9ec0d7c3d009" title="Count the number of &amp;#39;next&amp;#39; siblings of node at iterator.">number_of_siblings</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;) <span class="keyword">const</span>;
<a name="l00353"></a>00353       <span class="keywordtype">bool</span>     <a class="code" href="classtree.html#825e2106781e846bdd8732c117dc21db" title="Determine whether node at position is in the subtrees with root in the range.">is_in_subtree</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; <a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">begin</a>, 
<a name="l00354"></a>00354                              <span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; <a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">end</a>) <span class="keyword">const</span>;
<a name="l00356"></a>00356       <span class="keywordtype">bool</span>     <a class="code" href="classtree.html#9605b028195248894dc8cf506cd256e3" title="Determine whether the iterator is an &amp;#39;end&amp;#39; iterator and thus not actually...">is_valid</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp;) <span class="keyword">const</span>;
<a name="l00357"></a>00357 
<a name="l00359"></a>00359       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classtree.html#de5ec1ba55f94165062e50d01ec35d86" title="Determine the index of a node in the range of siblings to which it belongs.">index</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> it) <span class="keyword">const</span>;
<a name="l00361"></a>00361       <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>  <a class="code" href="classtree.html#446c722c82607f8b3243a9153b665d19" title="Inverse of &amp;#39;index&amp;#39;: return the n-th child of the node at position.">child</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) <span class="keyword">const</span>;
<a name="l00362"></a>00362       
<a name="l00364"></a><a class="code" href="classtree_1_1iterator__base__less.html">00364</a>       <span class="keyword">class </span><a class="code" href="classtree_1_1iterator__base__less.html" title="Comparator class for iterators (compares the actual node content, not pointer values)...">iterator_base_less</a> {
<a name="l00365"></a>00365          <span class="keyword">public</span>:
<a name="l00366"></a><a class="code" href="classtree_1_1iterator__base__less.html#3dc4cb0c8b9a2e3ad5ed7852dd9b6a3b">00366</a>             <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::iterator_base</a>&amp; one,
<a name="l00367"></a>00367                             <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::iterator_base</a>&amp; two)<span class="keyword"> const</span>
<a name="l00368"></a>00368 <span class="keyword">               </span>{
<a name="l00369"></a>00369                <span class="keywordflow">return</span> one.node &lt; two.node;
<a name="l00370"></a>00370                }
<a name="l00371"></a>00371       };
<a name="l00372"></a><a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">00372</a>       <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>, *<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>;    <span class="comment">// head/feet are always dummy; if an iterator points to them it is invalid</span>
<a name="l00373"></a>00373    <span class="keyword">private</span>:
<a name="l00374"></a>00374       tree_node_allocator alloc_;
<a name="l00375"></a>00375       <span class="keywordtype">void</span> head_initialise_();
<a name="l00376"></a>00376       <span class="keywordtype">void</span> copy_(<span class="keyword">const</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;</a>&amp; other);
<a name="l00377"></a>00377 
<a name="l00379"></a>00379       <span class="keyword">template</span>&lt;<span class="keyword">class</span> StrictWeakOrdering&gt;
<a name="l00380"></a>00380       <span class="keyword">class </span>compare_nodes {
<a name="l00381"></a>00381          <span class="keyword">public</span>:
<a name="l00382"></a>00382             compare_nodes(StrictWeakOrdering comp) : comp_(comp) {};
<a name="l00383"></a>00383             
<a name="l00384"></a>00384             <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <a class="code" href="classtree.html#672d078d87ae97c58b732a940d7b8ca8">tree_node</a> *a, <span class="keyword">const</span> <a class="code" href="classtree.html#672d078d87ae97c58b732a940d7b8ca8">tree_node</a> *b) 
<a name="l00385"></a>00385                {
<a name="l00386"></a>00386                <span class="keyword">static</span> StrictWeakOrdering comp;
<a name="l00387"></a>00387                <span class="keywordflow">return</span> comp(a-&gt;data, b-&gt;data);
<a name="l00388"></a>00388                }
<a name="l00389"></a>00389          <span class="keyword">private</span>:
<a name="l00390"></a>00390             StrictWeakOrdering comp_;
<a name="l00391"></a>00391       };
<a name="l00392"></a>00392 };
<a name="l00393"></a>00393 
<a name="l00394"></a>00394 <span class="comment">//template &lt;class T, class tree_node_allocator&gt;</span>
<a name="l00395"></a>00395 <span class="comment">//class iterator_base_less {</span>
<a name="l00396"></a>00396 <span class="comment">// public:</span>
<a name="l00397"></a>00397 <span class="comment">//    bool operator()(const typename tree&lt;T, tree_node_allocator&gt;::iterator_base&amp; one,</span>
<a name="l00398"></a>00398 <span class="comment">//                  const typename tree&lt;T, tree_node_allocator&gt;::iterator_base&amp; two) const</span>
<a name="l00399"></a>00399 <span class="comment">//       {</span>
<a name="l00400"></a>00400 <span class="comment">//       txtout &lt;&lt; "operatorclass&lt;" &lt;&lt; one.node &lt; two.node &lt;&lt; std::endl;</span>
<a name="l00401"></a>00401 <span class="comment">//       return one.node &lt; two.node;</span>
<a name="l00402"></a>00402 <span class="comment">//       }</span>
<a name="l00403"></a>00403 <span class="comment">//};</span>
<a name="l00404"></a>00404 
<a name="l00405"></a>00405 <span class="comment">//template &lt;class T, class tree_node_allocator&gt;</span>
<a name="l00406"></a>00406 <span class="comment">//bool operator&lt;(const typename tree&lt;T, tree_node_allocator&gt;::iterator&amp; one,</span>
<a name="l00407"></a>00407 <span class="comment">//             const typename tree&lt;T, tree_node_allocator&gt;::iterator&amp; two)</span>
<a name="l00408"></a>00408 <span class="comment">// {</span>
<a name="l00409"></a>00409 <span class="comment">// txtout &lt;&lt; "operator&lt; " &lt;&lt; one.node &lt; two.node &lt;&lt; std::endl;</span>
<a name="l00410"></a>00410 <span class="comment">// if(one.node &lt; two.node) return true;</span>
<a name="l00411"></a>00411 <span class="comment">// return false;</span>
<a name="l00412"></a>00412 <span class="comment">// }</span>
<a name="l00413"></a>00413 
<a name="l00414"></a>00414 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00415"></a>00415 <span class="keywordtype">bool</span> operator&gt;(<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::iterator_base</a>&amp; one,
<a name="l00416"></a>00416                <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::iterator_base</a>&amp; two)
<a name="l00417"></a>00417    {
<a name="l00418"></a>00418    <span class="keywordflow">if</span>(one.node &gt; two.node) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00419"></a>00419    <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00420"></a>00420    }
<a name="l00421"></a>00421 
<a name="l00422"></a>00422 
<a name="l00423"></a>00423 
<a name="l00424"></a>00424 <span class="comment">// Tree</span>
<a name="l00425"></a>00425 
<a name="l00426"></a>00426 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00427"></a><a class="code" href="classtree.html#a064a1d9dceac9b918c5247919a4a325">00427</a> <a class="code" href="classtree.html#a064a1d9dceac9b918c5247919a4a325">tree&lt;T, tree_node_allocator&gt;::tree</a>() 
<a name="l00428"></a>00428    {
<a name="l00429"></a>00429    head_initialise_();
<a name="l00430"></a>00430    }
<a name="l00431"></a>00431 
<a name="l00432"></a>00432 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00433"></a><a class="code" href="classtree.html#5925c012af64fe91a3a5ed39e3ba9d9a">00433</a> <a class="code" href="classtree.html#a064a1d9dceac9b918c5247919a4a325">tree&lt;T, tree_node_allocator&gt;::tree</a>(<span class="keyword">const</span> T&amp; x) 
<a name="l00434"></a>00434    {
<a name="l00435"></a>00435    head_initialise_();
<a name="l00436"></a>00436    <a class="code" href="classtree.html#f11d736ea971ab93651350161f5a7535" title="Short-hand to insert topmost node in otherwise empty tree.">set_head</a>(x);
<a name="l00437"></a>00437    }
<a name="l00438"></a>00438 
<a name="l00439"></a>00439 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00440"></a><a class="code" href="classtree.html#b72378e7a772a82f90d91ef7493f27bc">00440</a> <a class="code" href="classtree.html#a064a1d9dceac9b918c5247919a4a325">tree&lt;T, tree_node_allocator&gt;::tree</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; other)
<a name="l00441"></a>00441    {
<a name="l00442"></a>00442    head_initialise_();
<a name="l00443"></a>00443    <a class="code" href="classtree.html#f11d736ea971ab93651350161f5a7535" title="Short-hand to insert topmost node in otherwise empty tree.">set_head</a>((*other));
<a name="l00444"></a>00444    <a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">replace</a>(<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>(), other);
<a name="l00445"></a>00445    }
<a name="l00446"></a>00446 
<a name="l00447"></a>00447 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00448"></a><a class="code" href="classtree.html#f0169b515c95f4299fd2d984137b7868">00448</a> <a class="code" href="classtree.html#f0169b515c95f4299fd2d984137b7868">tree&lt;T, tree_node_allocator&gt;::~tree</a>()
<a name="l00449"></a>00449    {
<a name="l00450"></a>00450    <a class="code" href="classtree.html#a8cf6dfe17504abfc0ffabb5a4ba9d0a" title="Erase all nodes of the tree.">clear</a>();
<a name="l00451"></a>00451    alloc_.deallocate(<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>,1);
<a name="l00452"></a>00452    alloc_.deallocate(<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>,1);
<a name="l00453"></a>00453    }
<a name="l00454"></a>00454 
<a name="l00455"></a>00455 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00456"></a>00456 <span class="keywordtype">void</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::head_initialise_</a>() 
<a name="l00457"></a>00457    { 
<a name="l00458"></a>00458    <a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a> = alloc_.allocate(1,0); <span class="comment">// MSVC does not have default second argument </span>
<a name="l00459"></a>00459    <a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a> = alloc_.allocate(1,0);
<a name="l00460"></a>00460 
<a name="l00461"></a>00461    <a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=0;
<a name="l00462"></a>00462    <a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=0;
<a name="l00463"></a>00463    <a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=0;
<a name="l00464"></a>00464    <a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=0; <span class="comment">//head;</span>
<a name="l00465"></a>00465    <a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>; <span class="comment">//head;</span>
<a name="l00466"></a>00466 
<a name="l00467"></a>00467    <a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=0;
<a name="l00468"></a>00468    <a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=0;
<a name="l00469"></a>00469    <a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=0;
<a name="l00470"></a>00470    <a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>;
<a name="l00471"></a>00471    <a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=0;
<a name="l00472"></a>00472    }
<a name="l00473"></a>00473 
<a name="l00474"></a>00474 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00475"></a><a class="code" href="classtree.html#9561c0c73b0605f32bf82a026eaf216a">00475</a> <span class="keywordtype">void</span> <a class="code" href="classtree.html#9561c0c73b0605f32bf82a026eaf216a">tree&lt;T, tree_node_allocator&gt;::operator=</a>(<span class="keyword">const</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;</a>&amp; other)
<a name="l00476"></a>00476    {
<a name="l00477"></a>00477    copy_(other);
<a name="l00478"></a>00478    }
<a name="l00479"></a>00479 
<a name="l00480"></a>00480 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00481"></a><a class="code" href="classtree.html#e9e06b40929dfd33a1024bd422beedb6">00481</a> <a class="code" href="classtree.html#a064a1d9dceac9b918c5247919a4a325">tree&lt;T, tree_node_allocator&gt;::tree</a>(<span class="keyword">const</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;</a>&amp; other)
<a name="l00482"></a>00482    {
<a name="l00483"></a>00483    head_initialise_();
<a name="l00484"></a>00484    copy_(other);
<a name="l00485"></a>00485    }
<a name="l00486"></a>00486 
<a name="l00487"></a>00487 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00488"></a>00488 <span class="keywordtype">void</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::copy_</a>(<span class="keyword">const</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;</a>&amp; other) 
<a name="l00489"></a>00489    {
<a name="l00490"></a>00490    <a class="code" href="classtree.html#a8cf6dfe17504abfc0ffabb5a4ba9d0a" title="Erase all nodes of the tree.">clear</a>();
<a name="l00491"></a>00491    pre_order_iterator it=other.<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>(), to=<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>();
<a name="l00492"></a>00492    <span class="keywordflow">while</span>(it!=other.<a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>()) {
<a name="l00493"></a>00493       to=<a class="code" href="classtree.html#c3d19d3a42f91618267674f2c236aad9" title="Insert node as previous sibling of node pointed to by position.">insert</a>(to, (*it));
<a name="l00494"></a>00494       it.skip_children();
<a name="l00495"></a>00495       ++it;
<a name="l00496"></a>00496       }
<a name="l00497"></a>00497    to=<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>();
<a name="l00498"></a>00498    it=other.<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>();
<a name="l00499"></a>00499    <span class="keywordflow">while</span>(it!=other.<a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>()) {
<a name="l00500"></a>00500       to=<a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">replace</a>(to, it);
<a name="l00501"></a>00501       to.skip_children();
<a name="l00502"></a>00502       it.skip_children();
<a name="l00503"></a>00503       ++to;
<a name="l00504"></a>00504       ++it;
<a name="l00505"></a>00505       }
<a name="l00506"></a>00506    }
<a name="l00507"></a>00507 
<a name="l00508"></a>00508 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00509"></a><a class="code" href="classtree.html#a8cf6dfe17504abfc0ffabb5a4ba9d0a">00509</a> <span class="keywordtype">void</span> <a class="code" href="classtree.html#a8cf6dfe17504abfc0ffabb5a4ba9d0a" title="Erase all nodes of the tree.">tree&lt;T, tree_node_allocator&gt;::clear</a>()
<a name="l00510"></a>00510    {
<a name="l00511"></a>00511    <span class="keywordflow">if</span>(<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>)
<a name="l00512"></a>00512       <span class="keywordflow">while</span>(<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>!=<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>)
<a name="l00513"></a>00513          <a class="code" href="classtree.html#3eb424c89446ae17a747d2aca2cdda4b" title="Erase element at position pointed to by iterator, return incremented iterator.">erase</a>(<a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>(<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>));
<a name="l00514"></a>00514    }
<a name="l00515"></a>00515 
<a name="l00516"></a>00516 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt; 
<a name="l00517"></a><a class="code" href="classtree.html#05d5fd71c206efc8ac30df5cd46176bc">00517</a> <span class="keywordtype">void</span> <a class="code" href="classtree.html#05d5fd71c206efc8ac30df5cd46176bc" title="Erase all children of the node pointed to by iterator.">tree&lt;T, tree_node_allocator&gt;::erase_children</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; it)
<a name="l00518"></a>00518    {
<a name="l00519"></a>00519    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *cur=it.node-&gt;first_child;
<a name="l00520"></a>00520    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *prev=0;
<a name="l00521"></a>00521 
<a name="l00522"></a>00522    <span class="keywordflow">while</span>(cur!=0) {
<a name="l00523"></a>00523       prev=cur;
<a name="l00524"></a>00524       cur=cur-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00525"></a>00525       <a class="code" href="classtree.html#05d5fd71c206efc8ac30df5cd46176bc" title="Erase all children of the node pointed to by iterator.">erase_children</a>(<a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>(prev));
<a name="l00526"></a>00526       <a class="code" href="namespacekp.html#a6813c11eeb1c091cdd1eff62de70914">kp::destructor</a>(&amp;prev-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>);
<a name="l00527"></a>00527       alloc_.deallocate(prev,1);
<a name="l00528"></a>00528       }
<a name="l00529"></a>00529    it.node-&gt;first_child=0;
<a name="l00530"></a>00530    it.node-&gt;last_child=0;
<a name="l00531"></a>00531    }
<a name="l00532"></a>00532 
<a name="l00533"></a>00533 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt; 
<a name="l00534"></a>00534 <span class="keyword">template</span>&lt;<span class="keyword">class</span> iter&gt;
<a name="l00535"></a><a class="code" href="classtree.html#3eb424c89446ae17a747d2aca2cdda4b">00535</a> iter <a class="code" href="classtree.html#3eb424c89446ae17a747d2aca2cdda4b" title="Erase element at position pointed to by iterator, return incremented iterator.">tree&lt;T, tree_node_allocator&gt;::erase</a>(iter it)
<a name="l00536"></a>00536    {
<a name="l00537"></a>00537    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *cur=it.node;
<a name="l00538"></a>00538    assert(cur!=<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>);
<a name="l00539"></a>00539    iter ret=it;
<a name="l00540"></a>00540    ret.skip_children();
<a name="l00541"></a>00541    ++ret;
<a name="l00542"></a>00542    <a class="code" href="classtree.html#05d5fd71c206efc8ac30df5cd46176bc" title="Erase all children of the node pointed to by iterator.">erase_children</a>(it);
<a name="l00543"></a>00543    <span class="keywordflow">if</span>(cur-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>==0) {
<a name="l00544"></a>00544       cur-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=cur-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00545"></a>00545       }
<a name="l00546"></a>00546    <span class="keywordflow">else</span> {
<a name="l00547"></a>00547       cur-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=cur-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00548"></a>00548       }
<a name="l00549"></a>00549    <span class="keywordflow">if</span>(cur-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>==0) {
<a name="l00550"></a>00550       cur-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=cur-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l00551"></a>00551       }
<a name="l00552"></a>00552    <span class="keywordflow">else</span> {
<a name="l00553"></a>00553       cur-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>-&gt;prev_sibling=cur-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l00554"></a>00554       }
<a name="l00555"></a>00555 
<a name="l00556"></a>00556    <a class="code" href="namespacekp.html#a6813c11eeb1c091cdd1eff62de70914">kp::destructor</a>(&amp;cur-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>);
<a name="l00557"></a>00557    alloc_.deallocate(cur,1);
<a name="l00558"></a>00558    <span class="keywordflow">return</span> ret;
<a name="l00559"></a>00559    }
<a name="l00560"></a>00560 
<a name="l00561"></a>00561 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00562"></a><a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e">00562</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator</a> <a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">tree&lt;T, tree_node_allocator&gt;::begin</a>()<span class="keyword"> const</span>
<a name="l00563"></a>00563 <span class="keyword">   </span>{
<a name="l00564"></a>00564    <span class="keywordflow">return</span> <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>(<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>);
<a name="l00565"></a>00565    }
<a name="l00566"></a>00566 
<a name="l00567"></a>00567 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00568"></a><a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e">00568</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator</a> <a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">tree&lt;T, tree_node_allocator&gt;::end</a>()<span class="keyword"> const</span>
<a name="l00569"></a>00569 <span class="keyword">   </span>{
<a name="l00570"></a>00570    <span class="keywordflow">return</span> <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>(<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>);
<a name="l00571"></a>00571    }
<a name="l00572"></a>00572 
<a name="l00573"></a>00573 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00574"></a><a class="code" href="classtree.html#73c673d39fe46db7ca4e1533841cdbc0">00574</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::post_order_iterator</a> <a class="code" href="classtree.html#73c673d39fe46db7ca4e1533841cdbc0" title="Return post-order iterator to the beginning of the tree.">tree&lt;T, tree_node_allocator&gt;::begin_post</a>()<span class="keyword"> const</span>
<a name="l00575"></a>00575 <span class="keyword">   </span>{
<a name="l00576"></a>00576    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tmp=<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00577"></a>00577    <span class="keywordflow">if</span>(tmp!=<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>) {
<a name="l00578"></a>00578       <span class="keywordflow">while</span>(tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>)
<a name="l00579"></a>00579          tmp=tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l00580"></a>00580       }
<a name="l00581"></a>00581    <span class="keywordflow">return</span> <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>(tmp);
<a name="l00582"></a>00582    }
<a name="l00583"></a>00583 
<a name="l00584"></a>00584 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00585"></a><a class="code" href="classtree.html#d339ab550fc2718e84506e91960a177f">00585</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::post_order_iterator</a> <a class="code" href="classtree.html#d339ab550fc2718e84506e91960a177f" title="Return post-order iterator to the end of the tree.">tree&lt;T, tree_node_allocator&gt;::end_post</a>()<span class="keyword"> const</span>
<a name="l00586"></a>00586 <span class="keyword">   </span>{
<a name="l00587"></a>00587    <span class="keywordflow">return</span> <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>(<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>);
<a name="l00588"></a>00588    }
<a name="l00589"></a>00589 
<a name="l00590"></a>00590 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00591"></a><a class="code" href="classtree.html#3e7ee34b9582cb6f0bd5b25f501a1057">00591</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator</a> <a class="code" href="classtree.html#3e7ee34b9582cb6f0bd5b25f501a1057" title="Return fixed-depth iterator to the first node at a given depth.">tree&lt;T, tree_node_allocator&gt;::begin_fixed</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dp)<span class="keyword"> const</span>
<a name="l00592"></a>00592 <span class="keyword">   </span>{
<a name="l00593"></a>00593    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tmp=pos.node;
<a name="l00594"></a>00594    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> curdepth=0;
<a name="l00595"></a>00595    <span class="keywordflow">while</span>(curdepth&lt;dp) { <span class="comment">// go down one level</span>
<a name="l00596"></a>00596       <span class="keywordflow">while</span>(tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>==0) {
<a name="l00597"></a>00597          tmp=tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00598"></a>00598          <span class="keywordflow">if</span>(tmp==0)
<a name="l00599"></a>00599             <span class="keywordflow">throw</span> std::range_error(<span class="stringliteral">"tree: begin_fixed out of range"</span>);
<a name="l00600"></a>00600          }
<a name="l00601"></a>00601       tmp=tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l00602"></a>00602       ++curdepth;
<a name="l00603"></a>00603       }
<a name="l00604"></a>00604    <span class="keywordflow">return</span> tmp;
<a name="l00605"></a>00605    }
<a name="l00606"></a>00606 
<a name="l00607"></a>00607 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00608"></a><a class="code" href="classtree.html#bab26c0edd25cc836ed768e32c034165">00608</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator</a> <a class="code" href="classtree.html#bab26c0edd25cc836ed768e32c034165" title="Return fixed-depth iterator to end of the nodes at given depth.">tree&lt;T, tree_node_allocator&gt;::end_fixed</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dp)<span class="keyword"> const</span>
<a name="l00609"></a>00609 <span class="keyword">   </span>{
<a name="l00610"></a>00610    assert(1==0); <span class="comment">// FIXME: not correct yet</span>
<a name="l00611"></a>00611    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tmp=pos.node;
<a name="l00612"></a>00612    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> curdepth=1;
<a name="l00613"></a>00613    <span class="keywordflow">while</span>(curdepth&lt;dp) { <span class="comment">// go down one level</span>
<a name="l00614"></a>00614       <span class="keywordflow">while</span>(tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>==0) {
<a name="l00615"></a>00615          tmp=tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00616"></a>00616          <span class="keywordflow">if</span>(tmp==0)
<a name="l00617"></a>00617             <span class="keywordflow">throw</span> std::range_error(<span class="stringliteral">"tree: end_fixed out of range"</span>);
<a name="l00618"></a>00618          }
<a name="l00619"></a>00619       tmp=tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l00620"></a>00620       ++curdepth;
<a name="l00621"></a>00621       }
<a name="l00622"></a>00622    <span class="keywordflow">return</span> tmp;
<a name="l00623"></a>00623    }
<a name="l00624"></a>00624 
<a name="l00625"></a>00625 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00626"></a><a class="code" href="classtree.html#a784ffa6dec85f52754dde8bd6a99aeb">00626</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a> <a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">tree&lt;T, tree_node_allocator&gt;::begin</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; pos)<span class="keyword"> const</span>
<a name="l00627"></a>00627 <span class="keyword">   </span>{
<a name="l00628"></a>00628    <span class="keywordflow">if</span>(pos.node-&gt;first_child==0) {
<a name="l00629"></a>00629       <span class="keywordflow">return</span> <a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>(pos);
<a name="l00630"></a>00630       }
<a name="l00631"></a>00631    <span class="keywordflow">return</span> pos.node-&gt;first_child;
<a name="l00632"></a>00632    }
<a name="l00633"></a>00633 
<a name="l00634"></a>00634 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00635"></a><a class="code" href="classtree.html#a6aa8b0c6af0f50bfc86592847759127">00635</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a> <a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">tree&lt;T, tree_node_allocator&gt;::end</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; pos)<span class="keyword"> const</span>
<a name="l00636"></a>00636 <span class="keyword">   </span>{
<a name="l00637"></a>00637    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> ret(0);
<a name="l00638"></a>00638    ret.<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>=pos.node;
<a name="l00639"></a>00639    <span class="keywordflow">return</span> ret;
<a name="l00640"></a>00640    }
<a name="l00641"></a>00641 
<a name="l00642"></a>00642 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00643"></a>00643 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt;
<a name="l00644"></a><a class="code" href="classtree.html#aaaa1622d2d58ecda846640bd8f8bd28">00644</a> iter <a class="code" href="classtree.html#aaaa1622d2d58ecda846640bd8f8bd28" title="Return iterator to the parent of a node.">tree&lt;T, tree_node_allocator&gt;::parent</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>)<span class="keyword"> const</span>
<a name="l00645"></a>00645 <span class="keyword">   </span>{
<a name="l00646"></a>00646    assert(position.node!=0);
<a name="l00647"></a>00647    <span class="keywordflow">return</span> iter(position.node-&gt;parent);
<a name="l00648"></a>00648    }
<a name="l00649"></a>00649 
<a name="l00650"></a>00650 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00651"></a>00651 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt;
<a name="l00652"></a><a class="code" href="classtree.html#6d38ef0b2b73266cbc39ab021482bb50">00652</a> iter <a class="code" href="classtree.html#6d38ef0b2b73266cbc39ab021482bb50" title="Return iterator to the previous sibling of a node.">tree&lt;T, tree_node_allocator&gt;::previous_sibling</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>)<span class="keyword"> const</span>
<a name="l00653"></a>00653 <span class="keyword">   </span>{
<a name="l00654"></a>00654    assert(position.node!=0);
<a name="l00655"></a>00655    iter ret(position);
<a name="l00656"></a>00656    ret.node=position.node-&gt;prev_sibling;
<a name="l00657"></a>00657    <span class="keywordflow">return</span> ret;
<a name="l00658"></a>00658    }
<a name="l00659"></a>00659 
<a name="l00660"></a>00660 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00661"></a>00661 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt;
<a name="l00662"></a><a class="code" href="classtree.html#4e3ea50e0949bd05e27ecb9c6b7162ff">00662</a> iter <a class="code" href="classtree.html#4e3ea50e0949bd05e27ecb9c6b7162ff" title="Return iterator to the next sibling of a node.">tree&lt;T, tree_node_allocator&gt;::next_sibling</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>)<span class="keyword"> const</span>
<a name="l00663"></a>00663 <span class="keyword">   </span>{
<a name="l00664"></a>00664    assert(position.node!=0);
<a name="l00665"></a>00665    iter ret(position);
<a name="l00666"></a>00666    ret.node=position.node-&gt;next_sibling;
<a name="l00667"></a>00667    <span class="keywordflow">return</span> ret;
<a name="l00668"></a>00668    }
<a name="l00669"></a>00669 
<a name="l00670"></a>00670 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00671"></a>00671 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt;
<a name="l00672"></a><a class="code" href="classtree.html#ce3b299e157ec177230a0144771b2a7e">00672</a> iter <a class="code" href="classtree.html#ce3b299e157ec177230a0144771b2a7e" title="Return iterator to the next node at a given depth.">tree&lt;T, tree_node_allocator&gt;::next_at_same_depth</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>)<span class="keyword"> const</span>
<a name="l00673"></a>00673 <span class="keyword">   </span>{
<a name="l00674"></a>00674    assert(position.node!=0);
<a name="l00675"></a>00675    iter ret(position);
<a name="l00676"></a>00676 
<a name="l00677"></a>00677    <span class="keywordflow">if</span>(position.node-&gt;next_sibling) {
<a name="l00678"></a>00678       ret.node=position.node-&gt;next_sibling;
<a name="l00679"></a>00679       }
<a name="l00680"></a>00680    <span class="keywordflow">else</span> { 
<a name="l00681"></a>00681       <span class="keywordtype">int</span> relative_depth=0;
<a name="l00682"></a>00682       upper:
<a name="l00683"></a>00683       <span class="keywordflow">do</span> {
<a name="l00684"></a>00684          ret.node=ret.node-&gt;parent;
<a name="l00685"></a>00685          <span class="keywordflow">if</span>(ret.node==0) <span class="keywordflow">return</span> ret;
<a name="l00686"></a>00686          --relative_depth;
<a name="l00687"></a>00687          } <span class="keywordflow">while</span>(ret.node-&gt;next_sibling==0);
<a name="l00688"></a>00688       lower:
<a name="l00689"></a>00689       ret.node=ret.node-&gt;next_sibling;
<a name="l00690"></a>00690       <span class="keywordflow">while</span>(ret.node-&gt;first_child==0) {
<a name="l00691"></a>00691          <span class="keywordflow">if</span>(ret.node-&gt;next_sibling==0)
<a name="l00692"></a>00692             <span class="keywordflow">goto</span> upper;
<a name="l00693"></a>00693          ret.node=ret.node-&gt;next_sibling;
<a name="l00694"></a>00694          <span class="keywordflow">if</span>(ret.node==0) <span class="keywordflow">return</span> ret;
<a name="l00695"></a>00695          }
<a name="l00696"></a>00696       <span class="keywordflow">while</span>(relative_depth&lt;0 &amp;&amp; ret.node-&gt;first_child!=0) {
<a name="l00697"></a>00697          ret.node=ret.node-&gt;first_child;
<a name="l00698"></a>00698          ++relative_depth;
<a name="l00699"></a>00699          }
<a name="l00700"></a>00700       <span class="keywordflow">if</span>(relative_depth&lt;0) {
<a name="l00701"></a>00701          <span class="keywordflow">if</span>(ret.node-&gt;next_sibling==0) <span class="keywordflow">goto</span> upper;
<a name="l00702"></a>00702          <span class="keywordflow">else</span>                          <span class="keywordflow">goto</span> lower;
<a name="l00703"></a>00703          }
<a name="l00704"></a>00704       }
<a name="l00705"></a>00705    <span class="keywordflow">return</span> ret;
<a name="l00706"></a>00706    }
<a name="l00707"></a>00707 
<a name="l00708"></a>00708 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00709"></a>00709 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt;
<a name="l00710"></a><a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0">00710</a> iter <a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">tree&lt;T, tree_node_allocator&gt;::append_child</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>)
<a name="l00711"></a>00711    {
<a name="l00712"></a>00712    assert(position.node!=<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>);
<a name="l00713"></a>00713 
<a name="l00714"></a>00714    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a>* tmp = alloc_.allocate(1,0);
<a name="l00715"></a>00715    <a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">kp::constructor</a>(&amp;tmp-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>);
<a name="l00716"></a>00716    tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=0;
<a name="l00717"></a>00717    tmp-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=0;
<a name="l00718"></a>00718 
<a name="l00719"></a>00719    tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=position.node;
<a name="l00720"></a>00720    <span class="keywordflow">if</span>(position.node-&gt;last_child!=0) {
<a name="l00721"></a>00721       position.node-&gt;last_child-&gt;next_sibling=tmp;
<a name="l00722"></a>00722       }
<a name="l00723"></a>00723    <span class="keywordflow">else</span> {
<a name="l00724"></a>00724       position.node-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=tmp;
<a name="l00725"></a>00725       }
<a name="l00726"></a>00726    tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=position.node-&gt;last_child;
<a name="l00727"></a>00727    position.node-&gt;last_child=tmp;
<a name="l00728"></a>00728    tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=0;
<a name="l00729"></a>00729    <span class="keywordflow">return</span> tmp;
<a name="l00730"></a>00730    }
<a name="l00731"></a>00731 
<a name="l00732"></a>00732 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00733"></a>00733 <span class="keyword">template</span> &lt;<span class="keyword">class</span> iter&gt;
<a name="l00734"></a><a class="code" href="classtree.html#9318fa77c4e10ec0a9a26a0d08f182a2">00734</a> iter <a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">tree&lt;T, tree_node_allocator&gt;::append_child</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x)
<a name="l00735"></a>00735    {
<a name="l00736"></a>00736    <span class="comment">// If your program fails here you probably used 'append_child' to add the top</span>
<a name="l00737"></a>00737    <span class="comment">// node to an empty tree. From version 1.45 the top element should be added</span>
<a name="l00738"></a>00738    <span class="comment">// using 'insert'. See the documentation for further information, and sorry about</span>
<a name="l00739"></a>00739    <span class="comment">// the API change.</span>
<a name="l00740"></a>00740    assert(position.node!=<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>);
<a name="l00741"></a>00741 
<a name="l00742"></a>00742    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a>* tmp = alloc_.allocate(1,0);
<a name="l00743"></a>00743    <a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">kp::constructor</a>(&amp;tmp-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>, x);
<a name="l00744"></a>00744    tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=0;
<a name="l00745"></a>00745    tmp-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=0;
<a name="l00746"></a>00746 
<a name="l00747"></a>00747    tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=position.node;
<a name="l00748"></a>00748    <span class="keywordflow">if</span>(position.node-&gt;last_child!=0) {
<a name="l00749"></a>00749       position.node-&gt;last_child-&gt;next_sibling=tmp;
<a name="l00750"></a>00750       }
<a name="l00751"></a>00751    <span class="keywordflow">else</span> {
<a name="l00752"></a>00752       position.node-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=tmp;
<a name="l00753"></a>00753       }
<a name="l00754"></a>00754    tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=position.node-&gt;last_child;
<a name="l00755"></a>00755    position.node-&gt;last_child=tmp;
<a name="l00756"></a>00756    tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=0;
<a name="l00757"></a>00757    <span class="keywordflow">return</span> tmp;
<a name="l00758"></a>00758    }
<a name="l00759"></a>00759 
<a name="l00760"></a>00760 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00761"></a>00761 <span class="keyword">template</span> &lt;<span class="keyword">class</span> iter&gt;
<a name="l00762"></a><a class="code" href="classtree.html#1fb4734b783fed4a66c24130af67316e">00762</a> iter <a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">tree&lt;T, tree_node_allocator&gt;::append_child</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, iter other)
<a name="l00763"></a>00763    {
<a name="l00764"></a>00764    assert(position.node!=<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>);
<a name="l00765"></a>00765 
<a name="l00766"></a>00766    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> aargh=<a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">append_child</a>(position, <a class="code" href="classtree.html#1e7bcd21e7420f7922a1bca79080acfa" title="Value of the data stored at a node.">value_type</a>());
<a name="l00767"></a>00767    <span class="keywordflow">return</span> <a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">replace</a>(aargh, other);
<a name="l00768"></a>00768    }
<a name="l00769"></a>00769 
<a name="l00770"></a>00770 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00771"></a>00771 <span class="keyword">template</span> &lt;<span class="keyword">class</span> iter&gt;
<a name="l00772"></a><a class="code" href="classtree.html#92ab22e0a98d8899c0d1b6c9d0a85465">00772</a> iter <a class="code" href="classtree.html#92ab22e0a98d8899c0d1b6c9d0a85465" title="Append the nodes in the from-to range (plus their children) as children of position...">tree&lt;T, tree_node_allocator&gt;::append_children</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to)
<a name="l00773"></a>00773    {
<a name="l00774"></a>00774    iter ret=from;
<a name="l00775"></a>00775 
<a name="l00776"></a>00776    <span class="keywordflow">while</span>(from!=to) {
<a name="l00777"></a>00777       <a class="code" href="classtree.html#d66d55d58b48ce0a8d7a5b41abe923d5" title="Insert node (with children) pointed to by subtree as previous sibling of node pointed...">insert_subtree</a>(position.end(), from);
<a name="l00778"></a>00778       ++from;
<a name="l00779"></a>00779       }
<a name="l00780"></a>00780    <span class="keywordflow">return</span> ret;
<a name="l00781"></a>00781    }
<a name="l00782"></a>00782 
<a name="l00783"></a>00783 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00784"></a><a class="code" href="classtree.html#f11d736ea971ab93651350161f5a7535">00784</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator</a> <a class="code" href="classtree.html#f11d736ea971ab93651350161f5a7535" title="Short-hand to insert topmost node in otherwise empty tree.">tree&lt;T, tree_node_allocator&gt;::set_head</a>(<span class="keyword">const</span> T&amp; x)
<a name="l00785"></a>00785    {
<a name="l00786"></a>00786    assert(<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>==<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>);
<a name="l00787"></a>00787    <span class="keywordflow">return</span> <a class="code" href="classtree.html#c3d19d3a42f91618267674f2c236aad9" title="Insert node as previous sibling of node pointed to by position.">insert</a>(<a class="code" href="classtree.html#2079982538b88d21fe1ccea34fe7ce0e" title="The default iterator type throughout the tree class.">iterator</a>(<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>), x);
<a name="l00788"></a>00788    }
<a name="l00789"></a>00789 
<a name="l00790"></a>00790 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00791"></a>00791 <span class="keyword">template</span> &lt;<span class="keyword">class</span> iter&gt;
<a name="l00792"></a><a class="code" href="classtree.html#c3d19d3a42f91618267674f2c236aad9">00792</a> iter <a class="code" href="classtree.html#c3d19d3a42f91618267674f2c236aad9" title="Insert node as previous sibling of node pointed to by position.">tree&lt;T, tree_node_allocator&gt;::insert</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x)
<a name="l00793"></a>00793    {
<a name="l00794"></a>00794    <span class="keywordflow">if</span>(position.node==0) {
<a name="l00795"></a>00795       position.node=<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>; <span class="comment">// Backward compatibility: when calling insert on a null node,</span>
<a name="l00796"></a>00796                           <span class="comment">// insert before the feet.</span>
<a name="l00797"></a>00797       }
<a name="l00798"></a>00798    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a>* tmp = alloc_.allocate(1,0);
<a name="l00799"></a>00799    <a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">kp::constructor</a>(&amp;tmp-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>, x);
<a name="l00800"></a>00800    tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=0;
<a name="l00801"></a>00801    tmp-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=0;
<a name="l00802"></a>00802 
<a name="l00803"></a>00803    tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=position.node-&gt;parent;
<a name="l00804"></a>00804    tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=position.node;
<a name="l00805"></a>00805    tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=position.node-&gt;prev_sibling;
<a name="l00806"></a>00806    position.node-&gt;prev_sibling=tmp;
<a name="l00807"></a>00807 
<a name="l00808"></a>00808    <span class="keywordflow">if</span>(tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>==0) {
<a name="l00809"></a>00809       <span class="keywordflow">if</span>(tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>) <span class="comment">// when inserting nodes at the head, there is no parent</span>
<a name="l00810"></a>00810          tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=tmp;
<a name="l00811"></a>00811       }
<a name="l00812"></a>00812    <span class="keywordflow">else</span>
<a name="l00813"></a>00813       tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=tmp;
<a name="l00814"></a>00814    <span class="keywordflow">return</span> tmp;
<a name="l00815"></a>00815    }
<a name="l00816"></a>00816 
<a name="l00817"></a>00817 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00818"></a><a class="code" href="classtree.html#429bbd485078981ef83b59a779d9f947">00818</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a> <a class="code" href="classtree.html#c3d19d3a42f91618267674f2c236aad9" title="Insert node as previous sibling of node pointed to by position.">tree&lt;T, tree_node_allocator&gt;::insert</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x)
<a name="l00819"></a>00819    {
<a name="l00820"></a>00820    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a>* tmp = alloc_.allocate(1,0);
<a name="l00821"></a>00821    <a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">kp::constructor</a>(&amp;tmp-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>, x);
<a name="l00822"></a>00822    tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=0;
<a name="l00823"></a>00823    tmp-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=0;
<a name="l00824"></a>00824 
<a name="l00825"></a>00825    tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=position.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l00826"></a>00826    <span class="keywordflow">if</span>(position.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>==0) { <span class="comment">// iterator points to end of a subtree</span>
<a name="l00827"></a>00827       tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=position.<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>;
<a name="l00828"></a>00828       tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=position.<a class="code" href="classtree_1_1sibling__iterator.html#85438655c23ba60d2a4f83787e3dcf48">range_last</a>();
<a name="l00829"></a>00829       tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=tmp;
<a name="l00830"></a>00830       }
<a name="l00831"></a>00831    <span class="keywordflow">else</span> {
<a name="l00832"></a>00832       tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=position.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l00833"></a>00833       tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=position.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l00834"></a>00834       position.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=tmp;
<a name="l00835"></a>00835       }
<a name="l00836"></a>00836 
<a name="l00837"></a>00837    <span class="keywordflow">if</span>(tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>==0) {
<a name="l00838"></a>00838       <span class="keywordflow">if</span>(tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>) <span class="comment">// when inserting nodes at the head, there is no parent</span>
<a name="l00839"></a>00839          tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=tmp;
<a name="l00840"></a>00840       }
<a name="l00841"></a>00841    <span class="keywordflow">else</span>
<a name="l00842"></a>00842       tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=tmp;
<a name="l00843"></a>00843    <span class="keywordflow">return</span> tmp;
<a name="l00844"></a>00844    }
<a name="l00845"></a>00845 
<a name="l00846"></a>00846 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00847"></a>00847 <span class="keyword">template</span> &lt;<span class="keyword">class</span> iter&gt;
<a name="l00848"></a><a class="code" href="classtree.html#215ab56bd13f59c661eb2298e373ff3e">00848</a> iter <a class="code" href="classtree.html#215ab56bd13f59c661eb2298e373ff3e" title="Insert node as next sibling of node pointed to by position.">tree&lt;T, tree_node_allocator&gt;::insert_after</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x)
<a name="l00849"></a>00849    {
<a name="l00850"></a>00850    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a>* tmp = alloc_.allocate(1,0);
<a name="l00851"></a>00851    <a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">kp::constructor</a>(&amp;tmp-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>, x);
<a name="l00852"></a>00852    tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=0;
<a name="l00853"></a>00853    tmp-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=0;
<a name="l00854"></a>00854 
<a name="l00855"></a>00855    tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=position.node-&gt;parent;
<a name="l00856"></a>00856    tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=position.node;
<a name="l00857"></a>00857    tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=position.node-&gt;next_sibling;
<a name="l00858"></a>00858    position.node-&gt;next_sibling=tmp;
<a name="l00859"></a>00859 
<a name="l00860"></a>00860    <span class="keywordflow">if</span>(tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>==0) {
<a name="l00861"></a>00861       <span class="keywordflow">if</span>(tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>) <span class="comment">// when inserting nodes at the head, there is no parent</span>
<a name="l00862"></a>00862          tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=tmp;
<a name="l00863"></a>00863       }
<a name="l00864"></a>00864    <span class="keywordflow">else</span> {
<a name="l00865"></a>00865       tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>-&gt;prev_sibling=tmp;
<a name="l00866"></a>00866       }
<a name="l00867"></a>00867    <span class="keywordflow">return</span> tmp;
<a name="l00868"></a>00868    }
<a name="l00869"></a>00869 
<a name="l00870"></a>00870 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00871"></a>00871 <span class="keyword">template</span> &lt;<span class="keyword">class</span> iter&gt;
<a name="l00872"></a><a class="code" href="classtree.html#d66d55d58b48ce0a8d7a5b41abe923d5">00872</a> iter <a class="code" href="classtree.html#d66d55d58b48ce0a8d7a5b41abe923d5" title="Insert node (with children) pointed to by subtree as previous sibling of node pointed...">tree&lt;T, tree_node_allocator&gt;::insert_subtree</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; <a class="code" href="classtree.html#db61bebed6c56eb5641b0b7fab7fe625" title="Extract a new tree formed by the range of siblings plus all their children.">subtree</a>)
<a name="l00873"></a>00873    {
<a name="l00874"></a>00874    <span class="comment">// insert dummy</span>
<a name="l00875"></a>00875    iter it=<a class="code" href="classtree.html#c3d19d3a42f91618267674f2c236aad9" title="Insert node as previous sibling of node pointed to by position.">insert</a>(position, <a class="code" href="classtree.html#1e7bcd21e7420f7922a1bca79080acfa" title="Value of the data stored at a node.">value_type</a>());
<a name="l00876"></a>00876    <span class="comment">// replace dummy with subtree</span>
<a name="l00877"></a>00877    <span class="keywordflow">return</span> <a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">replace</a>(it, subtree);
<a name="l00878"></a>00878    }
<a name="l00879"></a>00879 
<a name="l00880"></a>00880 <span class="comment">// template &lt;class T, class tree_node_allocator&gt;</span>
<a name="l00881"></a>00881 <span class="comment">// template &lt;class iter&gt;</span>
<a name="l00882"></a>00882 <span class="comment">// iter tree&lt;T, tree_node_allocator&gt;::insert_subtree(sibling_iterator position, iter subtree)</span>
<a name="l00883"></a>00883 <span class="comment">//    {</span>
<a name="l00884"></a>00884 <span class="comment">//    // insert dummy</span>
<a name="l00885"></a>00885 <span class="comment">//    iter it(insert(position, value_type()));</span>
<a name="l00886"></a>00886 <span class="comment">//    // replace dummy with subtree</span>
<a name="l00887"></a>00887 <span class="comment">//    return replace(it, subtree);</span>
<a name="l00888"></a>00888 <span class="comment">//    }</span>
<a name="l00889"></a>00889 
<a name="l00890"></a>00890 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00891"></a>00891 <span class="keyword">template</span> &lt;<span class="keyword">class</span> iter&gt;
<a name="l00892"></a><a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4">00892</a> iter <a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">tree&lt;T, tree_node_allocator&gt;::replace</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> T&amp; x)
<a name="l00893"></a>00893    {
<a name="l00894"></a>00894    <a class="code" href="namespacekp.html#a6813c11eeb1c091cdd1eff62de70914">kp::destructor</a>(&amp;position.node-&gt;data);
<a name="l00895"></a>00895    <a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">kp::constructor</a>(&amp;position.node-&gt;data, x);
<a name="l00896"></a>00896    <span class="keywordflow">return</span> position;
<a name="l00897"></a>00897    }
<a name="l00898"></a>00898 
<a name="l00899"></a>00899 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00900"></a>00900 <span class="keyword">template</span> &lt;<span class="keyword">class</span> iter&gt;
<a name="l00901"></a><a class="code" href="classtree.html#5d2ad4532598f26c84b1ab0ec84a5d62">00901</a> iter <a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">tree&lt;T, tree_node_allocator&gt;::replace</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; from)
<a name="l00902"></a>00902    {
<a name="l00903"></a>00903    assert(position.node!=<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>);
<a name="l00904"></a>00904    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *current_from=from.node;
<a name="l00905"></a>00905    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *start_from=from.node;
<a name="l00906"></a>00906    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *current_to  =position.node;
<a name="l00907"></a>00907 
<a name="l00908"></a>00908    <span class="comment">// replace the node at position with head of the replacement tree at from</span>
<a name="l00909"></a>00909    <a class="code" href="classtree.html#05d5fd71c206efc8ac30df5cd46176bc" title="Erase all children of the node pointed to by iterator.">erase_children</a>(position);  
<a name="l00910"></a>00910    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a>* tmp = alloc_.allocate(1,0);
<a name="l00911"></a>00911    <a class="code" href="namespacekp.html#d1c6c23984a78bfc8336c7ca244d6f1c">kp::constructor</a>(&amp;tmp-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>, (*from));
<a name="l00912"></a>00912    tmp-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=0;
<a name="l00913"></a>00913    tmp-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=0;
<a name="l00914"></a>00914    <span class="keywordflow">if</span>(current_to-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>==0) {
<a name="l00915"></a>00915       current_to-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=tmp;
<a name="l00916"></a>00916       }
<a name="l00917"></a>00917    <span class="keywordflow">else</span> {
<a name="l00918"></a>00918       current_to-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=tmp;
<a name="l00919"></a>00919       }
<a name="l00920"></a>00920    tmp-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=current_to-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l00921"></a>00921    <span class="keywordflow">if</span>(current_to-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>==0) {
<a name="l00922"></a>00922       current_to-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=tmp;
<a name="l00923"></a>00923       }
<a name="l00924"></a>00924    <span class="keywordflow">else</span> {
<a name="l00925"></a>00925       current_to-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>-&gt;prev_sibling=tmp;
<a name="l00926"></a>00926       }
<a name="l00927"></a>00927    tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=current_to-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00928"></a>00928    tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=current_to-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l00929"></a>00929    <a class="code" href="namespacekp.html#a6813c11eeb1c091cdd1eff62de70914">kp::destructor</a>(&amp;current_to-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>);
<a name="l00930"></a>00930    alloc_.deallocate(current_to,1);
<a name="l00931"></a>00931    current_to=tmp;
<a name="l00932"></a>00932    
<a name="l00933"></a>00933    <span class="comment">// only at this stage can we fix 'last'</span>
<a name="l00934"></a>00934    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *last=from.node-&gt;next_sibling;
<a name="l00935"></a>00935 
<a name="l00936"></a>00936    <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> toit=tmp;
<a name="l00937"></a>00937    <span class="comment">// copy all children</span>
<a name="l00938"></a>00938    <span class="keywordflow">do</span> {
<a name="l00939"></a>00939       assert(current_from!=0);
<a name="l00940"></a>00940       <span class="keywordflow">if</span>(current_from-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a> != 0) {
<a name="l00941"></a>00941          current_from=current_from-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l00942"></a>00942          toit=<a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">append_child</a>(toit, current_from-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>);
<a name="l00943"></a>00943          }
<a name="l00944"></a>00944       <span class="keywordflow">else</span> {
<a name="l00945"></a>00945          <span class="keywordflow">while</span>(current_from-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>==0 &amp;&amp; current_from!=start_from) {
<a name="l00946"></a>00946             current_from=current_from-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l00947"></a>00947             toit=<a class="code" href="classtree.html#aaaa1622d2d58ecda846640bd8f8bd28" title="Return iterator to the parent of a node.">parent</a>(toit);
<a name="l00948"></a>00948             assert(current_from!=0);
<a name="l00949"></a>00949             }
<a name="l00950"></a>00950          current_from=current_from-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00951"></a>00951          <span class="keywordflow">if</span>(current_from!=last) {
<a name="l00952"></a>00952             toit=<a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">append_child</a>(<a class="code" href="classtree.html#aaaa1622d2d58ecda846640bd8f8bd28" title="Return iterator to the parent of a node.">parent</a>(toit), current_from-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>);
<a name="l00953"></a>00953             }
<a name="l00954"></a>00954          }
<a name="l00955"></a>00955       } <span class="keywordflow">while</span>(current_from!=last);
<a name="l00956"></a>00956 
<a name="l00957"></a>00957    <span class="keywordflow">return</span> current_to;
<a name="l00958"></a>00958    }
<a name="l00959"></a>00959 
<a name="l00960"></a>00960 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l00961"></a><a class="code" href="classtree.html#fc5bef13996f2fd939d83837aa8e090d">00961</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a> <a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">tree&lt;T, tree_node_allocator&gt;::replace</a>(
<a name="l00962"></a>00962    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> orig_begin, 
<a name="l00963"></a>00963    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> orig_end, 
<a name="l00964"></a>00964    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> new_begin, 
<a name="l00965"></a>00965    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> new_end)
<a name="l00966"></a>00966    {
<a name="l00967"></a>00967    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *orig_first=orig_begin.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l00968"></a>00968    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *new_first=new_begin.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l00969"></a>00969    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *orig_last=orig_first;
<a name="l00970"></a>00970    <span class="keywordflow">while</span>((++orig_begin)!=orig_end)
<a name="l00971"></a>00971       orig_last=orig_last-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00972"></a>00972    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *new_last=new_first;
<a name="l00973"></a>00973    <span class="keywordflow">while</span>((++new_begin)!=new_end)
<a name="l00974"></a>00974       new_last=new_last-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00975"></a>00975 
<a name="l00976"></a>00976    <span class="comment">// insert all siblings in new_first..new_last before orig_first</span>
<a name="l00977"></a>00977    <span class="keywordtype">bool</span> first=<span class="keyword">true</span>;
<a name="l00978"></a>00978    <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> ret;
<a name="l00979"></a>00979    <span class="keywordflow">while</span>(1==1) {
<a name="l00980"></a>00980       <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> tt=<a class="code" href="classtree.html#d66d55d58b48ce0a8d7a5b41abe923d5" title="Insert node (with children) pointed to by subtree as previous sibling of node pointed...">insert_subtree</a>(<a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>(orig_first), <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>(new_first));
<a name="l00981"></a>00981       <span class="keywordflow">if</span>(first) {
<a name="l00982"></a>00982          ret=tt;
<a name="l00983"></a>00983          first=<span class="keyword">false</span>;
<a name="l00984"></a>00984          }
<a name="l00985"></a>00985       <span class="keywordflow">if</span>(new_first==new_last)
<a name="l00986"></a>00986          <span class="keywordflow">break</span>;
<a name="l00987"></a>00987       new_first=new_first-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00988"></a>00988       }
<a name="l00989"></a>00989 
<a name="l00990"></a>00990    <span class="comment">// erase old range of siblings</span>
<a name="l00991"></a>00991    <span class="keywordtype">bool</span> last=<span class="keyword">false</span>;
<a name="l00992"></a>00992    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *next=orig_first;
<a name="l00993"></a>00993    <span class="keywordflow">while</span>(1==1) {
<a name="l00994"></a>00994       <span class="keywordflow">if</span>(next==orig_last) 
<a name="l00995"></a>00995          last=<span class="keyword">true</span>;
<a name="l00996"></a>00996       next=next-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l00997"></a>00997       <a class="code" href="classtree.html#3eb424c89446ae17a747d2aca2cdda4b" title="Erase element at position pointed to by iterator, return incremented iterator.">erase</a>((<a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>)orig_first);
<a name="l00998"></a>00998       <span class="keywordflow">if</span>(last) 
<a name="l00999"></a>00999          <span class="keywordflow">break</span>;
<a name="l01000"></a>01000       orig_first=next;
<a name="l01001"></a>01001       }
<a name="l01002"></a>01002    <span class="keywordflow">return</span> ret;
<a name="l01003"></a>01003    }
<a name="l01004"></a>01004 
<a name="l01005"></a>01005 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01006"></a>01006 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt;
<a name="l01007"></a><a class="code" href="classtree.html#479c8e3f748608a9b9fb91e58e18998c">01007</a> iter <a class="code" href="classtree.html#479c8e3f748608a9b9fb91e58e18998c" title="Move all children of node at &amp;#39;position&amp;#39; to be siblings, returns position...">tree&lt;T, tree_node_allocator&gt;::flatten</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>)
<a name="l01008"></a>01008    {
<a name="l01009"></a>01009    <span class="keywordflow">if</span>(position.node-&gt;first_child==0)
<a name="l01010"></a>01010       <span class="keywordflow">return</span> position;
<a name="l01011"></a>01011 
<a name="l01012"></a>01012    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tmp=position.node-&gt;first_child;
<a name="l01013"></a>01013    <span class="keywordflow">while</span>(tmp) {
<a name="l01014"></a>01014       tmp-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=position.node-&gt;parent;
<a name="l01015"></a>01015       tmp=tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01016"></a>01016       } 
<a name="l01017"></a>01017    <span class="keywordflow">if</span>(position.node-&gt;next_sibling) {
<a name="l01018"></a>01018       position.node-&gt;last_child-&gt;next_sibling=position.node-&gt;next_sibling;
<a name="l01019"></a>01019       position.node-&gt;next_sibling-&gt;prev_sibling=position.node-&gt;last_child;
<a name="l01020"></a>01020       }
<a name="l01021"></a>01021    <span class="keywordflow">else</span> {
<a name="l01022"></a>01022       position.node-&gt;parent-&gt;last_child=position.node-&gt;last_child;
<a name="l01023"></a>01023       }
<a name="l01024"></a>01024    position.node-&gt;next_sibling=position.node-&gt;first_child;
<a name="l01025"></a>01025    position.node-&gt;next_sibling-&gt;prev_sibling=position.node;
<a name="l01026"></a>01026    position.node-&gt;first_child=0;
<a name="l01027"></a>01027    position.node-&gt;last_child=0;
<a name="l01028"></a>01028 
<a name="l01029"></a>01029    <span class="keywordflow">return</span> position;
<a name="l01030"></a>01030    }
<a name="l01031"></a>01031 
<a name="l01032"></a>01032 
<a name="l01033"></a>01033 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01034"></a>01034 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt;
<a name="l01035"></a><a class="code" href="classtree.html#32b88523e2d5b6c78381b7da9455be5e">01035</a> iter <a class="code" href="classtree.html#32b88523e2d5b6c78381b7da9455be5e" title="Move nodes in range to be children of &amp;#39;position&amp;#39;.">tree&lt;T, tree_node_allocator&gt;::reparent</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> <a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>)
<a name="l01036"></a>01036    {
<a name="l01037"></a>01037    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *first=begin.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l01038"></a>01038    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *last=first;
<a name="l01039"></a>01039    <span class="keywordflow">if</span>(begin==end) <span class="keywordflow">return</span> begin;
<a name="l01040"></a>01040    <span class="comment">// determine last node</span>
<a name="l01041"></a>01041    <span class="keywordflow">while</span>((++begin)!=end) {
<a name="l01042"></a>01042       last=last-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01043"></a>01043       }
<a name="l01044"></a>01044    <span class="comment">// move subtree</span>
<a name="l01045"></a>01045    <span class="keywordflow">if</span>(first-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>==0) {
<a name="l01046"></a>01046       first-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=last-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01047"></a>01047       }
<a name="l01048"></a>01048    <span class="keywordflow">else</span> {
<a name="l01049"></a>01049       first-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=last-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01050"></a>01050       }
<a name="l01051"></a>01051    <span class="keywordflow">if</span>(last-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>==0) {
<a name="l01052"></a>01052       last-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=first-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01053"></a>01053       }
<a name="l01054"></a>01054    <span class="keywordflow">else</span> {
<a name="l01055"></a>01055       last-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>-&gt;prev_sibling=first-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01056"></a>01056       }
<a name="l01057"></a>01057    <span class="keywordflow">if</span>(position.node-&gt;first_child==0) {
<a name="l01058"></a>01058       position.node-&gt;first_child=first;
<a name="l01059"></a>01059       position.node-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=last;
<a name="l01060"></a>01060       first-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=0;
<a name="l01061"></a>01061       }
<a name="l01062"></a>01062    <span class="keywordflow">else</span> {
<a name="l01063"></a>01063       position.node-&gt;last_child-&gt;next_sibling=first;
<a name="l01064"></a>01064       first-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=position.node-&gt;last_child;
<a name="l01065"></a>01065       position.node-&gt;last_child=last;
<a name="l01066"></a>01066       }
<a name="l01067"></a>01067    last-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=0;
<a name="l01068"></a>01068 
<a name="l01069"></a>01069    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *pos=first;
<a name="l01070"></a>01070    <span class="keywordflow">while</span>(1==1) {
<a name="l01071"></a>01071       pos-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=position.node;
<a name="l01072"></a>01072       <span class="keywordflow">if</span>(pos==last) <span class="keywordflow">break</span>;
<a name="l01073"></a>01073       pos=pos-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01074"></a>01074       }
<a name="l01075"></a>01075 
<a name="l01076"></a>01076    <span class="keywordflow">return</span> first;
<a name="l01077"></a>01077    }
<a name="l01078"></a>01078 
<a name="l01079"></a>01079 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01080"></a><a class="code" href="classtree.html#021a394ff7139df8573e2cb80e6beaa2">01080</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#32b88523e2d5b6c78381b7da9455be5e" title="Move nodes in range to be children of &amp;#39;position&amp;#39;.">tree&lt;T, tree_node_allocator&gt;::reparent</a>(iter <a class="code" href="messages_8cpp.html#4da8008b6f110050513003edf67a2495">position</a>, iter from)
<a name="l01081"></a>01081    {
<a name="l01082"></a>01082    <span class="keywordflow">if</span>(from.node-&gt;first_child==0) <span class="keywordflow">return</span> position;
<a name="l01083"></a>01083    <span class="keywordflow">return</span> <a class="code" href="classtree.html#32b88523e2d5b6c78381b7da9455be5e" title="Move nodes in range to be children of &amp;#39;position&amp;#39;.">reparent</a>(position, from.node-&gt;first_child, <a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>(from));
<a name="l01084"></a>01084    }
<a name="l01085"></a>01085 
<a name="l01086"></a>01086 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01087"></a><a class="code" href="classtree.html#e7f72ba46cd061f71720c731b4a9bf63">01087</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#e7f72ba46cd061f71720c731b4a9bf63" title="Move &amp;#39;source&amp;#39; node (plus its children) to become the next sibling of &amp;#39;target&amp;#39;...">tree&lt;T, tree_node_allocator&gt;::move_after</a>(iter target, iter source)
<a name="l01088"></a>01088    {
<a name="l01089"></a>01089    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *dst=target.node;
<a name="l01090"></a>01090    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *src=source.node;
<a name="l01091"></a>01091    assert(dst);
<a name="l01092"></a>01092    assert(src);
<a name="l01093"></a>01093 
<a name="l01094"></a>01094    <span class="keywordflow">if</span>(dst==src) <span class="keywordflow">return</span> source;
<a name="l01095"></a>01095 
<a name="l01096"></a>01096    <span class="comment">// take src out of the tree</span>
<a name="l01097"></a>01097    <span class="keywordflow">if</span>(src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>!=0) src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01098"></a>01098    <span class="keywordflow">else</span>                     src-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01099"></a>01099    <span class="keywordflow">if</span>(src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>!=0) src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>-&gt;prev_sibling=src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01100"></a>01100    <span class="keywordflow">else</span>                     src-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01101"></a>01101 
<a name="l01102"></a>01102    <span class="comment">// connect it to the new point</span>
<a name="l01103"></a>01103    <span class="keywordflow">if</span>(dst-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>!=0) dst-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>-&gt;prev_sibling=src;
<a name="l01104"></a>01104    <span class="keywordflow">else</span>                     dst-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=src;
<a name="l01105"></a>01105    src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=dst-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01106"></a>01106    dst-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=src;
<a name="l01107"></a>01107    src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=dst;
<a name="l01108"></a>01108    src-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=dst-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01109"></a>01109    <span class="keywordflow">return</span> src;
<a name="l01110"></a>01110    }
<a name="l01111"></a>01111 
<a name="l01112"></a>01112 
<a name="l01113"></a>01113 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01114"></a><a class="code" href="classtree.html#b45aa15042445a81b13873d3ef4a2e86">01114</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#b45aa15042445a81b13873d3ef4a2e86" title="Move &amp;#39;source&amp;#39; node (plus its children) to become the previous sibling of...">tree&lt;T, tree_node_allocator&gt;::move_before</a>(iter target, iter source)
<a name="l01115"></a>01115    {
<a name="l01116"></a>01116    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *dst=target.node;
<a name="l01117"></a>01117    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *src=source.node;
<a name="l01118"></a>01118    assert(dst);
<a name="l01119"></a>01119    assert(src);
<a name="l01120"></a>01120 
<a name="l01121"></a>01121    <span class="keywordflow">if</span>(dst==src) <span class="keywordflow">return</span> source;
<a name="l01122"></a>01122 
<a name="l01123"></a>01123    <span class="comment">// take src out of the tree</span>
<a name="l01124"></a>01124    <span class="keywordflow">if</span>(src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>!=0) src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01125"></a>01125    <span class="keywordflow">else</span>                     src-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01126"></a>01126    <span class="keywordflow">if</span>(src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>!=0) src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>-&gt;prev_sibling=src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01127"></a>01127    <span class="keywordflow">else</span>                     src-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01128"></a>01128 
<a name="l01129"></a>01129    <span class="comment">// connect it to the new point</span>
<a name="l01130"></a>01130    <span class="keywordflow">if</span>(dst-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>!=0) dst-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=src;
<a name="l01131"></a>01131    <span class="keywordflow">else</span>                     dst-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=src;
<a name="l01132"></a>01132    src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=dst-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01133"></a>01133    dst-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=src;
<a name="l01134"></a>01134    src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=dst;
<a name="l01135"></a>01135    src-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=dst-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01136"></a>01136    <span class="keywordflow">return</span> src;
<a name="l01137"></a>01137    }
<a name="l01138"></a>01138 
<a name="l01139"></a>01139 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01140"></a><a class="code" href="classtree.html#a4f8b906b2758eec530e28387b819284">01140</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt; iter <a class="code" href="classtree.html#a4f8b906b2758eec530e28387b819284" title="Move &amp;#39;source&amp;#39; node (plus its children) to become the node at &amp;#39;target&amp;#39;...">tree&lt;T, tree_node_allocator&gt;::move_ontop</a>(iter target, iter source)
<a name="l01141"></a>01141    {
<a name="l01142"></a>01142    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *dst=target.node;
<a name="l01143"></a>01143    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *src=source.node;
<a name="l01144"></a>01144    assert(dst);
<a name="l01145"></a>01145    assert(src);
<a name="l01146"></a>01146 
<a name="l01147"></a>01147    <span class="keywordflow">if</span>(dst==src) <span class="keywordflow">return</span> source;
<a name="l01148"></a>01148 
<a name="l01149"></a>01149    <span class="comment">// remember connection points</span>
<a name="l01150"></a>01150    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *b_prev_sibling=dst-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01151"></a>01151    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *b_next_sibling=dst-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01152"></a>01152    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *b_parent=dst-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01153"></a>01153 
<a name="l01154"></a>01154    <span class="comment">// remove target</span>
<a name="l01155"></a>01155    <a class="code" href="classtree.html#3eb424c89446ae17a747d2aca2cdda4b" title="Erase element at position pointed to by iterator, return incremented iterator.">erase</a>(target);
<a name="l01156"></a>01156 
<a name="l01157"></a>01157    <span class="comment">// take src out of the tree</span>
<a name="l01158"></a>01158    <span class="keywordflow">if</span>(src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>!=0) src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01159"></a>01159    <span class="keywordflow">else</span>                     src-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01160"></a>01160    <span class="keywordflow">if</span>(src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>!=0) src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>-&gt;prev_sibling=src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01161"></a>01161    <span class="keywordflow">else</span>                     src-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01162"></a>01162 
<a name="l01163"></a>01163    <span class="comment">// connect it to the new point</span>
<a name="l01164"></a>01164    <span class="keywordflow">if</span>(b_prev_sibling!=0) b_prev_sibling-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=src;
<a name="l01165"></a>01165    <span class="keywordflow">else</span>                  b_parent-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>=src;
<a name="l01166"></a>01166    <span class="keywordflow">if</span>(b_next_sibling!=0) b_next_sibling-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=src;
<a name="l01167"></a>01167    <span class="keywordflow">else</span>                  b_parent-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>=src;
<a name="l01168"></a>01168    src-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=b_prev_sibling;
<a name="l01169"></a>01169    src-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=b_next_sibling;
<a name="l01170"></a>01170    src-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>=b_parent;
<a name="l01171"></a>01171    <span class="keywordflow">return</span> src;
<a name="l01172"></a>01172    }
<a name="l01173"></a>01173 
<a name="l01174"></a>01174 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01175"></a><a class="code" href="classtree.html#1e3cd901f8f8d8a3da0e1d32e9282db1">01175</a> <span class="keywordtype">void</span> <a class="code" href="classtree.html#1e3cd901f8f8d8a3da0e1d32e9282db1" title="Merge with other tree, creating new branches and leaves only if they are not already...">tree&lt;T, tree_node_allocator&gt;::merge</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to1,   <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to2,
<a name="l01176"></a>01176                                           <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from1, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from2,
<a name="l01177"></a>01177                                           <span class="keywordtype">bool</span> duplicate_leaves)
<a name="l01178"></a>01178    {
<a name="l01179"></a>01179    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> fnd;
<a name="l01180"></a>01180    <span class="keywordflow">while</span>(from1!=from2) {
<a name="l01181"></a>01181       <span class="keywordflow">if</span>((fnd=std::find(to1, to2, (*from1))) != to2) { <span class="comment">// element found</span>
<a name="l01182"></a>01182          <span class="keywordflow">if</span>(from1.<a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">begin</a>()==from1.<a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">end</a>()) { <span class="comment">// full depth reached</span>
<a name="l01183"></a>01183             <span class="keywordflow">if</span>(duplicate_leaves)
<a name="l01184"></a>01184                <a class="code" href="classtree.html#8d68e95f5088d48cb54fd6ae381729f0" title="Insert empty node as last child of node pointed to by position.">append_child</a>(<a class="code" href="classtree.html#aaaa1622d2d58ecda846640bd8f8bd28" title="Return iterator to the parent of a node.">parent</a>(to1), (*from1));
<a name="l01185"></a>01185             }
<a name="l01186"></a>01186          <span class="keywordflow">else</span> { <span class="comment">// descend further</span>
<a name="l01187"></a>01187             <a class="code" href="classtree.html#1e3cd901f8f8d8a3da0e1d32e9282db1" title="Merge with other tree, creating new branches and leaves only if they are not already...">merge</a>(fnd.<a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">begin</a>(), fnd.<a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">end</a>(), from1.<a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">begin</a>(), from1.<a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">end</a>(), duplicate_leaves);
<a name="l01188"></a>01188             }
<a name="l01189"></a>01189          }
<a name="l01190"></a>01190       <span class="keywordflow">else</span> { <span class="comment">// element missing</span>
<a name="l01191"></a>01191          <a class="code" href="classtree.html#d66d55d58b48ce0a8d7a5b41abe923d5" title="Insert node (with children) pointed to by subtree as previous sibling of node pointed...">insert_subtree</a>(to2, from1);
<a name="l01192"></a>01192          }
<a name="l01193"></a>01193       ++from1;
<a name="l01194"></a>01194       }
<a name="l01195"></a>01195    }
<a name="l01196"></a>01196 
<a name="l01197"></a>01197 
<a name="l01198"></a>01198 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01199"></a><a class="code" href="classtree.html#498ec42a5eb44cba8bf9ef6e7fd5db9e">01199</a> <span class="keywordtype">void</span> <a class="code" href="classtree.html#498ec42a5eb44cba8bf9ef6e7fd5db9e" title="Sort (std::sort only moves values of nodes, this one moves children as well).">tree&lt;T, tree_node_allocator&gt;::sort</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to, <span class="keywordtype">bool</span> deep)
<a name="l01200"></a>01200    {
<a name="l01201"></a>01201    std::less&lt;T&gt; comp;
<a name="l01202"></a>01202    <a class="code" href="classtree.html#498ec42a5eb44cba8bf9ef6e7fd5db9e" title="Sort (std::sort only moves values of nodes, this one moves children as well).">sort</a>(from, to, comp, deep);
<a name="l01203"></a>01203    }
<a name="l01204"></a>01204 
<a name="l01205"></a>01205 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01206"></a>01206 <span class="keyword">template</span> &lt;<span class="keyword">class</span> StrictWeakOrdering&gt;
<a name="l01207"></a><a class="code" href="classtree.html#f187f42c28a39304649ee41d3464f2ef">01207</a> <span class="keywordtype">void</span> <a class="code" href="classtree.html#498ec42a5eb44cba8bf9ef6e7fd5db9e" title="Sort (std::sort only moves values of nodes, this one moves children as well).">tree&lt;T, tree_node_allocator&gt;::sort</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to, 
<a name="l01208"></a>01208                                         StrictWeakOrdering comp, <span class="keywordtype">bool</span> deep)
<a name="l01209"></a>01209    {
<a name="l01210"></a>01210    <span class="keywordflow">if</span>(from==to) <span class="keywordflow">return</span>;
<a name="l01211"></a>01211    <span class="comment">// make list of sorted nodes</span>
<a name="l01212"></a>01212    <span class="comment">// CHECK: if multiset stores equivalent nodes in the order in which they</span>
<a name="l01213"></a>01213    <span class="comment">// are inserted, then this routine should be called 'stable_sort'.</span>
<a name="l01214"></a>01214    std::multiset&lt;tree_node *, compare_nodes&lt;StrictWeakOrdering&gt; &gt; nodes(comp);
<a name="l01215"></a>01215    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> it=from, it2=to;
<a name="l01216"></a>01216    <span class="keywordflow">while</span>(it != to) {
<a name="l01217"></a>01217       nodes.insert(it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>);
<a name="l01218"></a>01218       ++it;
<a name="l01219"></a>01219       }
<a name="l01220"></a>01220    <span class="comment">// reassemble</span>
<a name="l01221"></a>01221    --it2;
<a name="l01222"></a>01222 
<a name="l01223"></a>01223    <span class="comment">// prev and next are the nodes before and after the sorted range</span>
<a name="l01224"></a>01224    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *prev=from.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01225"></a>01225    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *next=it2.node-&gt;next_sibling;
<a name="l01226"></a>01226    <span class="keyword">typename</span> std::multiset&lt;tree_node *, compare_nodes&lt;StrictWeakOrdering&gt; &gt;<a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">::iterator</a> nit=nodes.begin(), eit=nodes.end();
<a name="l01227"></a>01227    <span class="keywordflow">if</span>(prev==0) {
<a name="l01228"></a>01228       <span class="keywordflow">if</span>((*nit)-&gt;parent!=0) <span class="comment">// to catch "sorting the head" situations, when there is no parent</span>
<a name="l01229"></a>01229          (*nit)-&gt;parent-&gt;first_child=(*nit);
<a name="l01230"></a>01230       }
<a name="l01231"></a>01231    <span class="keywordflow">else</span> prev-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=(*nit);
<a name="l01232"></a>01232 
<a name="l01233"></a>01233    --eit;
<a name="l01234"></a>01234    <span class="keywordflow">while</span>(nit!=eit) {
<a name="l01235"></a>01235       (*nit)-&gt;prev_sibling=prev;
<a name="l01236"></a>01236       <span class="keywordflow">if</span>(prev)
<a name="l01237"></a>01237          prev-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=(*nit);
<a name="l01238"></a>01238       prev=(*nit);
<a name="l01239"></a>01239       ++nit;
<a name="l01240"></a>01240       }
<a name="l01241"></a>01241    <span class="comment">// prev now points to the last-but-one node in the sorted range</span>
<a name="l01242"></a>01242    <span class="keywordflow">if</span>(prev)
<a name="l01243"></a>01243       prev-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=(*eit);
<a name="l01244"></a>01244 
<a name="l01245"></a>01245    <span class="comment">// eit points to the last node in the sorted range.</span>
<a name="l01246"></a>01246    (*eit)-&gt;next_sibling=next;
<a name="l01247"></a>01247    (*eit)-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=prev; <span class="comment">// missed in the loop above</span>
<a name="l01248"></a>01248    <span class="keywordflow">if</span>(next==0) {
<a name="l01249"></a>01249       <span class="keywordflow">if</span>((*eit)-&gt;parent!=0) <span class="comment">// to catch "sorting the head" situations, when there is no parent</span>
<a name="l01250"></a>01250          (*eit)-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=(*eit);
<a name="l01251"></a>01251       }
<a name="l01252"></a>01252    <span class="keywordflow">else</span> next-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=(*eit);
<a name="l01253"></a>01253 
<a name="l01254"></a>01254    <span class="keywordflow">if</span>(deep) {  <span class="comment">// sort the children of each node too</span>
<a name="l01255"></a>01255       <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> bcs(*nodes.begin());
<a name="l01256"></a>01256       <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> ecs(*eit);
<a name="l01257"></a>01257       ++ecs;
<a name="l01258"></a>01258       <span class="keywordflow">while</span>(bcs!=ecs) {
<a name="l01259"></a>01259          <a class="code" href="classtree.html#498ec42a5eb44cba8bf9ef6e7fd5db9e" title="Sort (std::sort only moves values of nodes, this one moves children as well).">sort</a>(<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>(bcs), <a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>(bcs), comp, deep);
<a name="l01260"></a>01260          ++bcs;
<a name="l01261"></a>01261          }
<a name="l01262"></a>01262       }
<a name="l01263"></a>01263    }
<a name="l01264"></a>01264 
<a name="l01265"></a>01265 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01266"></a>01266 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt;
<a name="l01267"></a><a class="code" href="classtree.html#59488f63fc6ad997809d971c48ecfc04">01267</a> <span class="keywordtype">bool</span> <a class="code" href="classtree.html#59488f63fc6ad997809d971c48ecfc04" title="Compare two ranges of nodes (compares nodes as well as tree structure).">tree&lt;T, tree_node_allocator&gt;::equal</a>(<span class="keyword">const</span> iter&amp; one_, <span class="keyword">const</span> iter&amp; two, <span class="keyword">const</span> iter&amp; three_)<span class="keyword"> const</span>
<a name="l01268"></a>01268 <span class="keyword">   </span>{
<a name="l01269"></a>01269    std::equal_to&lt;T&gt; comp;
<a name="l01270"></a>01270    <span class="keywordflow">return</span> <a class="code" href="classtree.html#59488f63fc6ad997809d971c48ecfc04" title="Compare two ranges of nodes (compares nodes as well as tree structure).">equal</a>(one_, two, three_, comp);
<a name="l01271"></a>01271    }
<a name="l01272"></a>01272 
<a name="l01273"></a>01273 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01274"></a>01274 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter&gt;
<a name="l01275"></a><a class="code" href="classtree.html#6e2e76dfa6f0f51ca6f573d73b0c1b28">01275</a> <span class="keywordtype">bool</span> <a class="code" href="classtree.html#6e2e76dfa6f0f51ca6f573d73b0c1b28">tree&lt;T, tree_node_allocator&gt;::equal_subtree</a>(<span class="keyword">const</span> iter&amp; one_, <span class="keyword">const</span> iter&amp; two_)<span class="keyword"> const</span>
<a name="l01276"></a>01276 <span class="keyword">   </span>{
<a name="l01277"></a>01277    std::equal_to&lt;T&gt; comp;
<a name="l01278"></a>01278    <span class="keywordflow">return</span> <a class="code" href="classtree.html#6e2e76dfa6f0f51ca6f573d73b0c1b28">equal_subtree</a>(one_, two_, comp);
<a name="l01279"></a>01279    }
<a name="l01280"></a>01280 
<a name="l01281"></a>01281 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01282"></a>01282 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter, <span class="keyword">class</span> BinaryPredicate&gt;
<a name="l01283"></a><a class="code" href="classtree.html#7ce7ff12a68be494b28925b2f7184a29">01283</a> <span class="keywordtype">bool</span> <a class="code" href="classtree.html#59488f63fc6ad997809d971c48ecfc04" title="Compare two ranges of nodes (compares nodes as well as tree structure).">tree&lt;T, tree_node_allocator&gt;::equal</a>(<span class="keyword">const</span> iter&amp; one_, <span class="keyword">const</span> iter&amp; two, <span class="keyword">const</span> iter&amp; three_, BinaryPredicate fun)<span class="keyword"> const</span>
<a name="l01284"></a>01284 <span class="keyword">   </span>{
<a name="l01285"></a>01285    <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> one(one_), three(three_);
<a name="l01286"></a>01286 
<a name="l01287"></a>01287 <span class="comment">// if(one==two &amp;&amp; is_valid(three) &amp;&amp; three.number_of_children()!=0)</span>
<a name="l01288"></a>01288 <span class="comment">//    return false;</span>
<a name="l01289"></a>01289    <span class="keywordflow">while</span>(one!=two &amp;&amp; <a class="code" href="classtree.html#9605b028195248894dc8cf506cd256e3" title="Determine whether the iterator is an &amp;#39;end&amp;#39; iterator and thus not actually...">is_valid</a>(three)) {
<a name="l01290"></a>01290       <span class="keywordflow">if</span>(!fun(*one,*three))
<a name="l01291"></a>01291          <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01292"></a>01292       <span class="keywordflow">if</span>(one.number_of_children()!=three.<a class="code" href="classtree_1_1iterator__base.html#435004214270928d106dd4c8f6a36f17" title="Number of children of the node pointed to by the iterator.">number_of_children</a>()) 
<a name="l01293"></a>01293          <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01294"></a>01294       ++one;
<a name="l01295"></a>01295       ++three;
<a name="l01296"></a>01296       }
<a name="l01297"></a>01297    <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01298"></a>01298    }
<a name="l01299"></a>01299 
<a name="l01300"></a>01300 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01301"></a>01301 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> iter, <span class="keyword">class</span> BinaryPredicate&gt;
<a name="l01302"></a><a class="code" href="classtree.html#5e8445150c43058416d16b4846ff0f15">01302</a> <span class="keywordtype">bool</span> <a class="code" href="classtree.html#6e2e76dfa6f0f51ca6f573d73b0c1b28">tree&lt;T, tree_node_allocator&gt;::equal_subtree</a>(<span class="keyword">const</span> iter&amp; one_, <span class="keyword">const</span> iter&amp; two_, BinaryPredicate fun)<span class="keyword"> const</span>
<a name="l01303"></a>01303 <span class="keyword">   </span>{
<a name="l01304"></a>01304    <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> one(one_), two(two_);
<a name="l01305"></a>01305 
<a name="l01306"></a>01306    <span class="keywordflow">if</span>(!fun(*one,*two)) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01307"></a>01307    <span class="keywordflow">if</span>(<a class="code" href="classtree.html#96f82a90a3e21e82f486f325b0cf9faa" title="Count the number of children of node at position.">number_of_children</a>(one)!=<a class="code" href="classtree.html#96f82a90a3e21e82f486f325b0cf9faa" title="Count the number of children of node at position.">number_of_children</a>(two)) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01308"></a>01308    <span class="keywordflow">return</span> <a class="code" href="classtree.html#59488f63fc6ad997809d971c48ecfc04" title="Compare two ranges of nodes (compares nodes as well as tree structure).">equal</a>(<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>(one),<a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>(one),<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>(two),fun);
<a name="l01309"></a>01309    }
<a name="l01310"></a>01310 
<a name="l01311"></a>01311 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01312"></a><a class="code" href="classtree.html#db61bebed6c56eb5641b0b7fab7fe625">01312</a> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;</a> <a class="code" href="classtree.html#db61bebed6c56eb5641b0b7fab7fe625" title="Extract a new tree formed by the range of siblings plus all their children.">tree&lt;T, tree_node_allocator&gt;::subtree</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to)<span class="keyword"> const</span>
<a name="l01313"></a>01313 <span class="keyword">   </span>{
<a name="l01314"></a>01314    <a class="code" href="classtree.html">tree</a> tmp;
<a name="l01315"></a>01315    tmp.<a class="code" href="classtree.html#f11d736ea971ab93651350161f5a7535" title="Short-hand to insert topmost node in otherwise empty tree.">set_head</a>(<a class="code" href="classtree.html#1e7bcd21e7420f7922a1bca79080acfa" title="Value of the data stored at a node.">value_type</a>());
<a name="l01316"></a>01316    tmp.<a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">replace</a>(tmp.<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>(), tmp.<a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>(), from, to);
<a name="l01317"></a>01317    <span class="keywordflow">return</span> tmp;
<a name="l01318"></a>01318    }
<a name="l01319"></a>01319 
<a name="l01320"></a>01320 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01321"></a><a class="code" href="classtree.html#830cccac50df183c44c6ff83cab5a27f">01321</a> <span class="keywordtype">void</span> <a class="code" href="classtree.html#db61bebed6c56eb5641b0b7fab7fe625" title="Extract a new tree formed by the range of siblings plus all their children.">tree&lt;T, tree_node_allocator&gt;::subtree</a>(<a class="code" href="classtree.html">tree</a>&amp; tmp, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> from, <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> to)<span class="keyword"> const</span>
<a name="l01322"></a>01322 <span class="keyword">   </span>{
<a name="l01323"></a>01323    tmp.<a class="code" href="classtree.html#f11d736ea971ab93651350161f5a7535" title="Short-hand to insert topmost node in otherwise empty tree.">set_head</a>(<a class="code" href="classtree.html#1e7bcd21e7420f7922a1bca79080acfa" title="Value of the data stored at a node.">value_type</a>());
<a name="l01324"></a>01324    tmp.<a class="code" href="classtree.html#4885e968c82655ebebea5d0927b7e9f4" title="Replace node at &amp;#39;position&amp;#39; with other node (keeping same children); &amp;#39;position&amp;#39;...">replace</a>(tmp.<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>(), tmp.<a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>(), from, to);
<a name="l01325"></a>01325    }
<a name="l01326"></a>01326 
<a name="l01327"></a>01327 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01328"></a><a class="code" href="classtree.html#219ff1bfc99f78fd9a2db71f41891523">01328</a> <span class="keywordtype">int</span> <a class="code" href="classtree.html#219ff1bfc99f78fd9a2db71f41891523" title="Count the total number of nodes.">tree&lt;T, tree_node_allocator&gt;::size</a>()<span class="keyword"> const</span>
<a name="l01329"></a>01329 <span class="keyword">   </span>{
<a name="l01330"></a>01330    <span class="keywordtype">int</span> i=0;
<a name="l01331"></a>01331    <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> it=<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>(), eit=<a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>();
<a name="l01332"></a>01332    <span class="keywordflow">while</span>(it!=eit) {
<a name="l01333"></a>01333       ++i;
<a name="l01334"></a>01334       ++it;
<a name="l01335"></a>01335       }
<a name="l01336"></a>01336    <span class="keywordflow">return</span> i;
<a name="l01337"></a>01337    }
<a name="l01338"></a>01338 
<a name="l01339"></a>01339 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01340"></a><a class="code" href="classtree.html#e9f7fd30c51443d46ca8941d5bc06da2">01340</a> <span class="keywordtype">bool</span> <a class="code" href="classtree.html#e9f7fd30c51443d46ca8941d5bc06da2" title="Check if tree is empty.">tree&lt;T, tree_node_allocator&gt;::empty</a>()<span class="keyword"> const</span>
<a name="l01341"></a>01341 <span class="keyword">   </span>{
<a name="l01342"></a>01342    <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> it=<a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>(), eit=<a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>();
<a name="l01343"></a>01343    <span class="keywordflow">return</span> (it==eit);
<a name="l01344"></a>01344    }
<a name="l01345"></a>01345 
<a name="l01346"></a>01346 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01347"></a><a class="code" href="classtree.html#16c66be75ca89c999a9c4a68497b05a1">01347</a> <span class="keywordtype">int</span> <a class="code" href="classtree.html#16c66be75ca89c999a9c4a68497b05a1" title="Compute the depth to the root.">tree&lt;T, tree_node_allocator&gt;::depth</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; it)<span class="keyword"> const</span>
<a name="l01348"></a>01348 <span class="keyword">   </span>{
<a name="l01349"></a>01349    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a>* pos=it.node;
<a name="l01350"></a>01350    assert(pos!=0);
<a name="l01351"></a>01351    <span class="keywordtype">int</span> ret=0;
<a name="l01352"></a>01352    <span class="keywordflow">while</span>(pos-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>!=0) {
<a name="l01353"></a>01353       pos=pos-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01354"></a>01354       ++ret;
<a name="l01355"></a>01355       }
<a name="l01356"></a>01356    <span class="keywordflow">return</span> ret;
<a name="l01357"></a>01357    }
<a name="l01358"></a>01358 
<a name="l01359"></a>01359 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01360"></a><a class="code" href="classtree.html#96f82a90a3e21e82f486f325b0cf9faa">01360</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classtree.html#96f82a90a3e21e82f486f325b0cf9faa" title="Count the number of children of node at position.">tree&lt;T, tree_node_allocator&gt;::number_of_children</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; it)<span class="keyword"> const</span>
<a name="l01361"></a>01361 <span class="keyword">   </span>{
<a name="l01362"></a>01362    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *pos=it.node-&gt;first_child;
<a name="l01363"></a>01363    <span class="keywordflow">if</span>(pos==0) <span class="keywordflow">return</span> 0;
<a name="l01364"></a>01364    
<a name="l01365"></a>01365    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ret=1;
<a name="l01366"></a>01366 <span class="comment">//   while(pos!=it.node-&gt;last_child) {</span>
<a name="l01367"></a>01367 <span class="comment">//      ++ret;</span>
<a name="l01368"></a>01368 <span class="comment">//      pos=pos-&gt;next_sibling;</span>
<a name="l01369"></a>01369 <span class="comment">//      }</span>
<a name="l01370"></a>01370    <span class="keywordflow">while</span>((pos=pos-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>))
<a name="l01371"></a>01371       ++ret;
<a name="l01372"></a>01372    <span class="keywordflow">return</span> ret;
<a name="l01373"></a>01373    }
<a name="l01374"></a>01374 
<a name="l01375"></a>01375 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01376"></a><a class="code" href="classtree.html#3cddce970c4d44af57cf9ec0d7c3d009">01376</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classtree.html#3cddce970c4d44af57cf9ec0d7c3d009" title="Count the number of &amp;#39;next&amp;#39; siblings of node at iterator.">tree&lt;T, tree_node_allocator&gt;::number_of_siblings</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; it)<span class="keyword"> const</span>
<a name="l01377"></a>01377 <span class="keyword">   </span>{
<a name="l01378"></a>01378    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *pos=it.node;
<a name="l01379"></a>01379    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ret=0;
<a name="l01380"></a>01380    <span class="keywordflow">while</span>(pos-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a> &amp;&amp; 
<a name="l01381"></a>01381          pos-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>!=<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a> &amp;&amp;
<a name="l01382"></a>01382          pos-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>!=<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>) {
<a name="l01383"></a>01383       ++ret;
<a name="l01384"></a>01384       pos=pos-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01385"></a>01385       }
<a name="l01386"></a>01386    <span class="keywordflow">return</span> ret;
<a name="l01387"></a>01387    }
<a name="l01388"></a>01388 
<a name="l01389"></a>01389 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01390"></a><a class="code" href="classtree.html#e842f9b70235bc2412b3c43bca759448">01390</a> <span class="keywordtype">void</span> <a class="code" href="classtree.html#e842f9b70235bc2412b3c43bca759448" title="Exchange the node (plus subtree) with its sibling node (do nothing if no sibling...">tree&lt;T, tree_node_allocator&gt;::swap</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> it)
<a name="l01391"></a>01391    {
<a name="l01392"></a>01392    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *nxt=it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01393"></a>01393    <span class="keywordflow">if</span>(nxt) {
<a name="l01394"></a>01394       <span class="keywordflow">if</span>(it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>)
<a name="l01395"></a>01395          it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>-&gt;next_sibling=nxt;
<a name="l01396"></a>01396       <span class="keywordflow">else</span>
<a name="l01397"></a>01397          it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;first_child=nxt;
<a name="l01398"></a>01398       nxt-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01399"></a>01399       <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *nxtnxt=nxt-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01400"></a>01400       <span class="keywordflow">if</span>(nxtnxt)
<a name="l01401"></a>01401          nxtnxt-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l01402"></a>01402       <span class="keywordflow">else</span>
<a name="l01403"></a>01403          it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>-&gt;last_child=it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l01404"></a>01404       nxt-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l01405"></a>01405       it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>=nxt;
<a name="l01406"></a>01406       it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>=nxtnxt;
<a name="l01407"></a>01407       }
<a name="l01408"></a>01408    }
<a name="l01409"></a>01409 
<a name="l01410"></a>01410 <span class="comment">// template &lt;class BinaryPredicate&gt;</span>
<a name="l01411"></a>01411 <span class="comment">// tree&lt;T, tree_node_allocator&gt;::iterator tree&lt;T, tree_node_allocator&gt;::find_subtree(</span>
<a name="l01412"></a>01412 <span class="comment">//    sibling_iterator subfrom, sibling_iterator subto, iterator from, iterator to, </span>
<a name="l01413"></a>01413 <span class="comment">//    BinaryPredicate fun) const</span>
<a name="l01414"></a>01414 <span class="comment">//    {</span>
<a name="l01415"></a>01415 <span class="comment">//    assert(1==0); // this routine is not finished yet.</span>
<a name="l01416"></a>01416 <span class="comment">//    while(from!=to) {</span>
<a name="l01417"></a>01417 <span class="comment">//       if(fun(*subfrom, *from)) {</span>
<a name="l01418"></a>01418 <span class="comment">//          </span>
<a name="l01419"></a>01419 <span class="comment">//          }</span>
<a name="l01420"></a>01420 <span class="comment">//       }</span>
<a name="l01421"></a>01421 <span class="comment">//    return to;</span>
<a name="l01422"></a>01422 <span class="comment">//    }</span>
<a name="l01423"></a>01423 
<a name="l01424"></a>01424 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01425"></a><a class="code" href="classtree.html#825e2106781e846bdd8732c117dc21db">01425</a> <span class="keywordtype">bool</span> <a class="code" href="classtree.html#825e2106781e846bdd8732c117dc21db" title="Determine whether node at position is in the subtrees with root in the range.">tree&lt;T, tree_node_allocator&gt;::is_in_subtree</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; it, <span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; <a class="code" href="classtree.html#76b3a629c0208d5ae5b4ffcd4492e05e" title="Return iterator to the beginning of the tree.">begin</a>, 
<a name="l01426"></a>01426                                                  <span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; <a class="code" href="classtree.html#0d09fe9fd34fbfc9c9e4e28cb694448e" title="Return iterator to the end of the tree.">end</a>)<span class="keyword"> const</span>
<a name="l01427"></a>01427 <span class="keyword">   </span>{
<a name="l01428"></a>01428    <span class="comment">// FIXME: this should be optimised.</span>
<a name="l01429"></a>01429    <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> tmp=begin;
<a name="l01430"></a>01430    <span class="keywordflow">while</span>(tmp!=end) {
<a name="l01431"></a>01431       <span class="keywordflow">if</span>(tmp==it) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01432"></a>01432       ++tmp;
<a name="l01433"></a>01433       }
<a name="l01434"></a>01434    <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01435"></a>01435    }
<a name="l01436"></a>01436 
<a name="l01437"></a>01437 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01438"></a><a class="code" href="classtree.html#9605b028195248894dc8cf506cd256e3">01438</a> <span class="keywordtype">bool</span> <a class="code" href="classtree.html#9605b028195248894dc8cf506cd256e3" title="Determine whether the iterator is an &amp;#39;end&amp;#39; iterator and thus not actually...">tree&lt;T, tree_node_allocator&gt;::is_valid</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; it)<span class="keyword"> const</span>
<a name="l01439"></a>01439 <span class="keyword">   </span>{
<a name="l01440"></a>01440    <span class="keywordflow">if</span>(it.node==0 || it.node==<a class="code" href="classtree.html#e1dbb80115ba483e37d081a2256c239b">feet</a>) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01441"></a>01441    <span class="keywordflow">else</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01442"></a>01442    }
<a name="l01443"></a>01443 
<a name="l01444"></a>01444 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01445"></a><a class="code" href="classtree.html#de5ec1ba55f94165062e50d01ec35d86">01445</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classtree.html#de5ec1ba55f94165062e50d01ec35d86" title="Determine the index of a node in the range of siblings to which it belongs.">tree&lt;T, tree_node_allocator&gt;::index</a>(<a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> it)<span class="keyword"> const</span>
<a name="l01446"></a>01446 <span class="keyword">   </span>{
<a name="l01447"></a>01447    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ind=0;
<a name="l01448"></a>01448    <span class="keywordflow">if</span>(it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>==0) {
<a name="l01449"></a>01449       <span class="keywordflow">while</span>(it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>!=<a class="code" href="classtree.html#10991cbf1497e125c0ef04d6e292e32b">head</a>) {
<a name="l01450"></a>01450          it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01451"></a>01451          ++ind;
<a name="l01452"></a>01452          }
<a name="l01453"></a>01453       }
<a name="l01454"></a>01454    <span class="keywordflow">else</span> {
<a name="l01455"></a>01455       <span class="keywordflow">while</span>(it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>!=0) {
<a name="l01456"></a>01456          it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=it.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01457"></a>01457          ++ind;
<a name="l01458"></a>01458          }
<a name="l01459"></a>01459       }
<a name="l01460"></a>01460    <span class="keywordflow">return</span> ind;
<a name="l01461"></a>01461    }
<a name="l01462"></a>01462 
<a name="l01463"></a>01463 
<a name="l01464"></a>01464 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01465"></a><a class="code" href="classtree.html#446c722c82607f8b3243a9153b665d19">01465</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a> <a class="code" href="classtree.html#446c722c82607f8b3243a9153b665d19" title="Inverse of &amp;#39;index&amp;#39;: return the n-th child of the node at position.">tree&lt;T, tree_node_allocator&gt;::child</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; it, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)<span class="keyword"> const</span>
<a name="l01466"></a>01466 <span class="keyword">   </span>{
<a name="l01467"></a>01467    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tmp=it.node-&gt;first_child;
<a name="l01468"></a>01468    <span class="keywordflow">while</span>(num--) {
<a name="l01469"></a>01469       assert(tmp!=0);
<a name="l01470"></a>01470       tmp=tmp-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01471"></a>01471       }
<a name="l01472"></a>01472    <span class="keywordflow">return</span> tmp;
<a name="l01473"></a>01473    }
<a name="l01474"></a>01474 
<a name="l01475"></a>01475 
<a name="l01476"></a>01476 
<a name="l01477"></a>01477 
<a name="l01478"></a>01478 <span class="comment">// Iterator base</span>
<a name="l01479"></a>01479 
<a name="l01480"></a>01480 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01481"></a><a class="code" href="classtree_1_1iterator__base.html#1be2e6802acca5f281ddc7e5d67bd61c">01481</a> <a class="code" href="classtree_1_1iterator__base.html#1be2e6802acca5f281ddc7e5d67bd61c">tree&lt;T, tree_node_allocator&gt;::iterator_base::iterator_base</a>()
<a name="l01482"></a>01482    : node(0), skip_current_children_(<a class="code" href="inc_2libofx_8h.html#65e9886d74aaee76545e83dd09011727">false</a>)
<a name="l01483"></a>01483    {
<a name="l01484"></a>01484    }
<a name="l01485"></a>01485 
<a name="l01486"></a>01486 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01487"></a><a class="code" href="classtree_1_1iterator__base.html#dd6dda19c2febebabbc5e769365dc4dd">01487</a> <a class="code" href="classtree_1_1iterator__base.html#1be2e6802acca5f281ddc7e5d67bd61c">tree&lt;T, tree_node_allocator&gt;::iterator_base::iterator_base</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tn)
<a name="l01488"></a>01488    : <a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>(tn), <a class="code" href="classtree_1_1iterator__base.html#88239267268c728952e0cd89b9326e82">skip_current_children_</a>(<a class="code" href="inc_2libofx_8h.html#65e9886d74aaee76545e83dd09011727">false</a>)
<a name="l01489"></a>01489    {
<a name="l01490"></a>01490    }
<a name="l01491"></a>01491 
<a name="l01492"></a>01492 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01493"></a><a class="code" href="classtree_1_1iterator__base.html#ada7cbe4d4f9a5ec29db78d10712edc6">01493</a> T&amp; <a class="code" href="classtree_1_1iterator__base.html#ada7cbe4d4f9a5ec29db78d10712edc6">tree&lt;T, tree_node_allocator&gt;::iterator_base::operator*</a>()<span class="keyword"> const</span>
<a name="l01494"></a>01494 <span class="keyword">   </span>{
<a name="l01495"></a>01495    <span class="keywordflow">return</span> <a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>;
<a name="l01496"></a>01496    }
<a name="l01497"></a>01497 
<a name="l01498"></a>01498 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01499"></a><a class="code" href="classtree_1_1iterator__base.html#bd9c59569df7d8be5a50c835c180f4dc">01499</a> T* <a class="code" href="classtree_1_1iterator__base.html#bd9c59569df7d8be5a50c835c180f4dc">tree&lt;T, tree_node_allocator&gt;::iterator_base::operator-&gt;</a>()<span class="keyword"> const</span>
<a name="l01500"></a>01500 <span class="keyword">   </span>{
<a name="l01501"></a>01501    <span class="keywordflow">return</span> &amp;(<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#4c15077a3ad0552413d1268ee4be1bef">data</a>);
<a name="l01502"></a>01502    }
<a name="l01503"></a>01503 
<a name="l01504"></a>01504 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01505"></a><a class="code" href="classtree_1_1post__order__iterator.html#59f0d0d145f27ed094a69214e1831102">01505</a> <span class="keywordtype">bool</span> <a class="code" href="classtree_1_1post__order__iterator.html#59f0d0d145f27ed094a69214e1831102">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::operator!=</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>&amp; other)<span class="keyword"> const</span>
<a name="l01506"></a>01506 <span class="keyword">   </span>{
<a name="l01507"></a>01507    <span class="keywordflow">if</span>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>!=this-&gt;node) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01508"></a>01508    <span class="keywordflow">else</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01509"></a>01509    }
<a name="l01510"></a>01510 
<a name="l01511"></a>01511 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01512"></a><a class="code" href="classtree_1_1post__order__iterator.html#b1303f191d6bc8a62e5f03fa53466ec4">01512</a> <span class="keywordtype">bool</span> <a class="code" href="classtree_1_1post__order__iterator.html#b1303f191d6bc8a62e5f03fa53466ec4">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::operator==</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a>&amp; other)<span class="keyword"> const</span>
<a name="l01513"></a>01513 <span class="keyword">   </span>{
<a name="l01514"></a>01514    <span class="keywordflow">if</span>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>==this-&gt;node) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01515"></a>01515    <span class="keywordflow">else</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01516"></a>01516    }
<a name="l01517"></a>01517 
<a name="l01518"></a>01518 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01519"></a><a class="code" href="classtree_1_1pre__order__iterator.html#14425c7743e9a6da2d96b172a85d2bed">01519</a> <span class="keywordtype">bool</span> <a class="code" href="classtree_1_1pre__order__iterator.html#14425c7743e9a6da2d96b172a85d2bed">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::operator!=</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>&amp; other)<span class="keyword"> const</span>
<a name="l01520"></a>01520 <span class="keyword">   </span>{
<a name="l01521"></a>01521    <span class="keywordflow">if</span>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>!=this-&gt;node) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01522"></a>01522    <span class="keywordflow">else</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01523"></a>01523    }
<a name="l01524"></a>01524 
<a name="l01525"></a>01525 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01526"></a><a class="code" href="classtree_1_1pre__order__iterator.html#ea8dee1bfc2450608b2b35d26a9f11b7">01526</a> <span class="keywordtype">bool</span> <a class="code" href="classtree_1_1pre__order__iterator.html#ea8dee1bfc2450608b2b35d26a9f11b7">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::operator==</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a>&amp; other)<span class="keyword"> const</span>
<a name="l01527"></a>01527 <span class="keyword">   </span>{
<a name="l01528"></a>01528    <span class="keywordflow">if</span>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>==this-&gt;node) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01529"></a>01529    <span class="keywordflow">else</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01530"></a>01530    }
<a name="l01531"></a>01531 
<a name="l01532"></a>01532 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01533"></a><a class="code" href="classtree_1_1sibling__iterator.html#2f4b2c5112c9d16f65852bc84d34c9c9">01533</a> <span class="keywordtype">bool</span> <a class="code" href="classtree_1_1sibling__iterator.html#2f4b2c5112c9d16f65852bc84d34c9c9">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::operator!=</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp; other)<span class="keyword"> const</span>
<a name="l01534"></a>01534 <span class="keyword">   </span>{
<a name="l01535"></a>01535    <span class="keywordflow">if</span>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>!=this-&gt;node) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01536"></a>01536    <span class="keywordflow">else</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01537"></a>01537    }
<a name="l01538"></a>01538 
<a name="l01539"></a>01539 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01540"></a><a class="code" href="classtree_1_1sibling__iterator.html#f235d7b64b7d2654437482bab80c797b">01540</a> <span class="keywordtype">bool</span> <a class="code" href="classtree_1_1sibling__iterator.html#f235d7b64b7d2654437482bab80c797b">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::operator==</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp; other)<span class="keyword"> const</span>
<a name="l01541"></a>01541 <span class="keyword">   </span>{
<a name="l01542"></a>01542    <span class="keywordflow">if</span>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>==this-&gt;node) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01543"></a>01543    <span class="keywordflow">else</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01544"></a>01544    }
<a name="l01545"></a>01545 
<a name="l01546"></a>01546 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01547"></a><a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">01547</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a> <a class="code" href="classtree_1_1iterator__base.html#7fad2f6cc1a6a667b5c71bb16c9b84e5">tree&lt;T, tree_node_allocator&gt;::iterator_base::begin</a>()<span class="keyword"> const</span>
<a name="l01548"></a>01548 <span class="keyword">   </span>{
<a name="l01549"></a>01549    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> ret(<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>);
<a name="l01550"></a>01550    ret.<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l01551"></a>01551    <span class="keywordflow">return</span> ret;
<a name="l01552"></a>01552    }
<a name="l01553"></a>01553 
<a name="l01554"></a>01554 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01555"></a><a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">01555</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a> <a class="code" href="classtree_1_1iterator__base.html#399dabd62f0659c02bfda59b26bdeefe">tree&lt;T, tree_node_allocator&gt;::iterator_base::end</a>()<span class="keyword"> const</span>
<a name="l01556"></a>01556 <span class="keyword">   </span>{
<a name="l01557"></a>01557    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> ret(0);
<a name="l01558"></a>01558    ret.<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>=<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>;
<a name="l01559"></a>01559    <span class="keywordflow">return</span> ret;
<a name="l01560"></a>01560    }
<a name="l01561"></a>01561 
<a name="l01562"></a>01562 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01563"></a><a class="code" href="classtree_1_1iterator__base.html#a0be7989b9dd4c5bcdcc0d47a56d11fb">01563</a> <span class="keywordtype">void</span> <a class="code" href="classtree_1_1iterator__base.html#a0be7989b9dd4c5bcdcc0d47a56d11fb" title="When called, the next increment/decrement skips children of this node.">tree&lt;T, tree_node_allocator&gt;::iterator_base::skip_children</a>()
<a name="l01564"></a>01564    {
<a name="l01565"></a>01565    <a class="code" href="classtree_1_1iterator__base.html#88239267268c728952e0cd89b9326e82">skip_current_children_</a>=<span class="keyword">true</span>;
<a name="l01566"></a>01566    }
<a name="l01567"></a>01567 
<a name="l01568"></a>01568 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01569"></a><a class="code" href="classtree_1_1iterator__base.html#435004214270928d106dd4c8f6a36f17">01569</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classtree_1_1iterator__base.html#435004214270928d106dd4c8f6a36f17" title="Number of children of the node pointed to by the iterator.">tree&lt;T, tree_node_allocator&gt;::iterator_base::number_of_children</a>()<span class="keyword"> const</span>
<a name="l01570"></a>01570 <span class="keyword">   </span>{
<a name="l01571"></a>01571    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *pos=<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l01572"></a>01572    <span class="keywordflow">if</span>(pos==0) <span class="keywordflow">return</span> 0;
<a name="l01573"></a>01573    
<a name="l01574"></a>01574    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ret=1;
<a name="l01575"></a>01575    <span class="keywordflow">while</span>(pos!=<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>) {
<a name="l01576"></a>01576       ++ret;
<a name="l01577"></a>01577       pos=pos-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01578"></a>01578       }
<a name="l01579"></a>01579    <span class="keywordflow">return</span> ret;
<a name="l01580"></a>01580    }
<a name="l01581"></a>01581 
<a name="l01582"></a>01582 
<a name="l01583"></a>01583 
<a name="l01584"></a>01584 <span class="comment">// Pre-order iterator</span>
<a name="l01585"></a>01585 
<a name="l01586"></a>01586 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01587"></a><a class="code" href="classtree_1_1pre__order__iterator.html#aa4abe430ae678fa7d7753d9599be049">01587</a> <a class="code" href="classtree_1_1pre__order__iterator.html#aa4abe430ae678fa7d7753d9599be049">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::pre_order_iterator</a>() 
<a name="l01588"></a>01588    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(0)
<a name="l01589"></a>01589    {
<a name="l01590"></a>01590    }
<a name="l01591"></a>01591 
<a name="l01592"></a>01592 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01593"></a><a class="code" href="classtree_1_1pre__order__iterator.html#afdaf0da69c4406b916c14c5589fa391">01593</a> <a class="code" href="classtree_1_1pre__order__iterator.html#aa4abe430ae678fa7d7753d9599be049">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::pre_order_iterator</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tn)
<a name="l01594"></a>01594    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(tn)
<a name="l01595"></a>01595    {
<a name="l01596"></a>01596    }
<a name="l01597"></a>01597 
<a name="l01598"></a>01598 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01599"></a><a class="code" href="classtree_1_1pre__order__iterator.html#969cfeb31a2e92d1a64d9f2945bbedf7">01599</a> <a class="code" href="classtree_1_1pre__order__iterator.html#aa4abe430ae678fa7d7753d9599be049">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::pre_order_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a> &amp;other)
<a name="l01600"></a>01600    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>)
<a name="l01601"></a>01601    {
<a name="l01602"></a>01602    }
<a name="l01603"></a>01603 
<a name="l01604"></a>01604 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01605"></a><a class="code" href="classtree_1_1pre__order__iterator.html#2705495c89beecc86107ca742a35507f">01605</a> <a class="code" href="classtree_1_1pre__order__iterator.html#aa4abe430ae678fa7d7753d9599be049">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::pre_order_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp; other)
<a name="l01606"></a>01606    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>)
<a name="l01607"></a>01607    {
<a name="l01608"></a>01608    <span class="keywordflow">if</span>(this-&gt;node==0) {
<a name="l01609"></a>01609       <span class="keywordflow">if</span>(other.<a class="code" href="classtree_1_1sibling__iterator.html#85438655c23ba60d2a4f83787e3dcf48">range_last</a>()!=0)
<a name="l01610"></a>01610          this-&gt;node=other.<a class="code" href="classtree_1_1sibling__iterator.html#85438655c23ba60d2a4f83787e3dcf48">range_last</a>();
<a name="l01611"></a>01611       <span class="keywordflow">else</span> 
<a name="l01612"></a>01612          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=other.<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>;
<a name="l01613"></a>01613       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#a0be7989b9dd4c5bcdcc0d47a56d11fb" title="When called, the next increment/decrement skips children of this node.">skip_children</a>();
<a name="l01614"></a>01614       ++(*this);
<a name="l01615"></a>01615       }
<a name="l01616"></a>01616    }
<a name="l01617"></a>01617 
<a name="l01618"></a>01618 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01619"></a><a class="code" href="classtree_1_1pre__order__iterator.html#07b77d1591ad7f05e4531489561d36d2">01619</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator</a>&amp; <a class="code" href="classtree_1_1pre__order__iterator.html#07b77d1591ad7f05e4531489561d36d2">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::operator++</a>()
<a name="l01620"></a>01620    {
<a name="l01621"></a>01621    assert(this-&gt;node!=0);
<a name="l01622"></a>01622    <span class="keywordflow">if</span>(!this-&gt;skip_current_children_ &amp;&amp; this-&gt;node-&gt;first_child != 0) {
<a name="l01623"></a>01623       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l01624"></a>01624       }
<a name="l01625"></a>01625    <span class="keywordflow">else</span> {
<a name="l01626"></a>01626       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#88239267268c728952e0cd89b9326e82">skip_current_children_</a>=<span class="keyword">false</span>;
<a name="l01627"></a>01627       <span class="keywordflow">while</span>(this-&gt;node-&gt;next_sibling==0) {
<a name="l01628"></a>01628          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01629"></a>01629          <span class="keywordflow">if</span>(this-&gt;node==0)
<a name="l01630"></a>01630             <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01631"></a>01631          }
<a name="l01632"></a>01632       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01633"></a>01633       }
<a name="l01634"></a>01634    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01635"></a>01635    }
<a name="l01636"></a>01636 
<a name="l01637"></a>01637 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01638"></a><a class="code" href="classtree_1_1pre__order__iterator.html#4e2dd21653724b6413d9949caf9bb107">01638</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator</a>&amp; <a class="code" href="classtree_1_1pre__order__iterator.html#4e2dd21653724b6413d9949caf9bb107">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::operator--</a>()
<a name="l01639"></a>01639    {
<a name="l01640"></a>01640    assert(this-&gt;node!=0);
<a name="l01641"></a>01641    <span class="keywordflow">if</span>(this-&gt;node-&gt;prev_sibling) {
<a name="l01642"></a>01642       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01643"></a>01643       <span class="keywordflow">while</span>(this-&gt;node-&gt;last_child)
<a name="l01644"></a>01644          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>;
<a name="l01645"></a>01645       }
<a name="l01646"></a>01646    <span class="keywordflow">else</span> {
<a name="l01647"></a>01647       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01648"></a>01648       <span class="keywordflow">if</span>(this-&gt;node==0)
<a name="l01649"></a>01649          <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01650"></a>01650       }
<a name="l01651"></a>01651    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01652"></a>01652 }
<a name="l01653"></a>01653 
<a name="l01654"></a>01654 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01655"></a><a class="code" href="classtree_1_1pre__order__iterator.html#d99a34d4c6cbfaa1de621b276a363856">01655</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator</a> <a class="code" href="classtree_1_1pre__order__iterator.html#07b77d1591ad7f05e4531489561d36d2">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::operator++</a>(<span class="keywordtype">int</span> n)
<a name="l01656"></a>01656    {
<a name="l01657"></a>01657    <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> copy = *<span class="keyword">this</span>;
<a name="l01658"></a>01658    ++(*this);
<a name="l01659"></a>01659    <span class="keywordflow">return</span> copy;
<a name="l01660"></a>01660    }
<a name="l01661"></a>01661 
<a name="l01662"></a>01662 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01663"></a><a class="code" href="classtree_1_1pre__order__iterator.html#9ccab7bd408c6d0a221f69d11f7f3717">01663</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator</a> <a class="code" href="classtree_1_1pre__order__iterator.html#4e2dd21653724b6413d9949caf9bb107">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::operator--</a>(<span class="keywordtype">int</span> n)
<a name="l01664"></a>01664 {
<a name="l01665"></a>01665   <a class="code" href="classtree_1_1pre__order__iterator.html" title="Depth-first iterator, first accessing the node, then its children.">pre_order_iterator</a> copy = *<span class="keyword">this</span>;
<a name="l01666"></a>01666   --(*this);
<a name="l01667"></a>01667   <span class="keywordflow">return</span> copy;
<a name="l01668"></a>01668 }
<a name="l01669"></a>01669 
<a name="l01670"></a>01670 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01671"></a><a class="code" href="classtree_1_1pre__order__iterator.html#5ab66cd50ae22c9b246231b41b7720f5">01671</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator</a>&amp; <a class="code" href="classtree_1_1pre__order__iterator.html#5ab66cd50ae22c9b246231b41b7720f5">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::operator+=</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)
<a name="l01672"></a>01672    {
<a name="l01673"></a>01673    <span class="keywordflow">while</span>(num&gt;0) {
<a name="l01674"></a>01674       ++(*this);
<a name="l01675"></a>01675       --num;
<a name="l01676"></a>01676       }
<a name="l01677"></a>01677    <span class="keywordflow">return</span> (*<span class="keyword">this</span>);
<a name="l01678"></a>01678    }
<a name="l01679"></a>01679 
<a name="l01680"></a>01680 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01681"></a><a class="code" href="classtree_1_1pre__order__iterator.html#722aedfd8f8be3490324a587d17cb133">01681</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator</a>&amp; <a class="code" href="classtree_1_1pre__order__iterator.html#722aedfd8f8be3490324a587d17cb133">tree&lt;T, tree_node_allocator&gt;::pre_order_iterator::operator-=</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)
<a name="l01682"></a>01682    {
<a name="l01683"></a>01683    <span class="keywordflow">while</span>(num&gt;0) {
<a name="l01684"></a>01684       --(*this);
<a name="l01685"></a>01685       --num;
<a name="l01686"></a>01686       }
<a name="l01687"></a>01687    <span class="keywordflow">return</span> (*<span class="keyword">this</span>);
<a name="l01688"></a>01688    }
<a name="l01689"></a>01689 
<a name="l01690"></a>01690 
<a name="l01691"></a>01691 
<a name="l01692"></a>01692 <span class="comment">// Post-order iterator</span>
<a name="l01693"></a>01693 
<a name="l01694"></a>01694 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01695"></a><a class="code" href="classtree_1_1post__order__iterator.html#f6d2a1ff77da1ca318447faef819fb22">01695</a> <a class="code" href="classtree_1_1post__order__iterator.html#f6d2a1ff77da1ca318447faef819fb22">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::post_order_iterator</a>() 
<a name="l01696"></a>01696    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(0)
<a name="l01697"></a>01697    {
<a name="l01698"></a>01698    }
<a name="l01699"></a>01699 
<a name="l01700"></a>01700 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01701"></a><a class="code" href="classtree_1_1post__order__iterator.html#add3e555f6a69c1799cb5b9b12e3ef48">01701</a> <a class="code" href="classtree_1_1post__order__iterator.html#f6d2a1ff77da1ca318447faef819fb22">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::post_order_iterator</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tn)
<a name="l01702"></a>01702    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(tn)
<a name="l01703"></a>01703    {
<a name="l01704"></a>01704    }
<a name="l01705"></a>01705 
<a name="l01706"></a>01706 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01707"></a><a class="code" href="classtree_1_1post__order__iterator.html#bbe898c229fab7e833da744a76aca5ab">01707</a> <a class="code" href="classtree_1_1post__order__iterator.html#f6d2a1ff77da1ca318447faef819fb22">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::post_order_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a> &amp;other)
<a name="l01708"></a>01708    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>)
<a name="l01709"></a>01709    {
<a name="l01710"></a>01710    }
<a name="l01711"></a>01711 
<a name="l01712"></a>01712 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01713"></a><a class="code" href="classtree_1_1post__order__iterator.html#d1bba922181132f5c41a6ebd5230abe9">01713</a> <a class="code" href="classtree_1_1post__order__iterator.html#f6d2a1ff77da1ca318447faef819fb22">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::post_order_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp; other)
<a name="l01714"></a>01714    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>)
<a name="l01715"></a>01715    {
<a name="l01716"></a>01716    <span class="keywordflow">if</span>(this-&gt;node==0) {
<a name="l01717"></a>01717       <span class="keywordflow">if</span>(other.<a class="code" href="classtree_1_1sibling__iterator.html#85438655c23ba60d2a4f83787e3dcf48">range_last</a>()!=0)
<a name="l01718"></a>01718          this-&gt;node=other.<a class="code" href="classtree_1_1sibling__iterator.html#85438655c23ba60d2a4f83787e3dcf48">range_last</a>();
<a name="l01719"></a>01719       <span class="keywordflow">else</span> 
<a name="l01720"></a>01720          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=other.<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>;
<a name="l01721"></a>01721       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#a0be7989b9dd4c5bcdcc0d47a56d11fb" title="When called, the next increment/decrement skips children of this node.">skip_children</a>();
<a name="l01722"></a>01722       ++(*this);
<a name="l01723"></a>01723       }
<a name="l01724"></a>01724    }
<a name="l01725"></a>01725 
<a name="l01726"></a>01726 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01727"></a><a class="code" href="classtree_1_1post__order__iterator.html#baba42c4ecb0a0bb8b21b0c28dfa3009">01727</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::post_order_iterator</a>&amp; <a class="code" href="classtree_1_1post__order__iterator.html#baba42c4ecb0a0bb8b21b0c28dfa3009">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::operator++</a>()
<a name="l01728"></a>01728    {
<a name="l01729"></a>01729    assert(this-&gt;node!=0);
<a name="l01730"></a>01730    <span class="keywordflow">if</span>(this-&gt;node-&gt;next_sibling==0) {
<a name="l01731"></a>01731       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01732"></a>01732       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#88239267268c728952e0cd89b9326e82">skip_current_children_</a>=<span class="keyword">false</span>;
<a name="l01733"></a>01733       }
<a name="l01734"></a>01734    <span class="keywordflow">else</span> {
<a name="l01735"></a>01735       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01736"></a>01736       <span class="keywordflow">if</span>(this-&gt;skip_current_children_) {
<a name="l01737"></a>01737          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#88239267268c728952e0cd89b9326e82">skip_current_children_</a>=<span class="keyword">false</span>;
<a name="l01738"></a>01738          }
<a name="l01739"></a>01739       <span class="keywordflow">else</span> {
<a name="l01740"></a>01740          <span class="keywordflow">while</span>(this-&gt;node-&gt;first_child)
<a name="l01741"></a>01741             this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l01742"></a>01742          }
<a name="l01743"></a>01743       }
<a name="l01744"></a>01744    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01745"></a>01745    }
<a name="l01746"></a>01746 
<a name="l01747"></a>01747 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01748"></a><a class="code" href="classtree_1_1post__order__iterator.html#f70bbd10b24ca0cf1c674e4ef40899db">01748</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::post_order_iterator</a>&amp; <a class="code" href="classtree_1_1post__order__iterator.html#f70bbd10b24ca0cf1c674e4ef40899db">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::operator--</a>()
<a name="l01749"></a>01749    {
<a name="l01750"></a>01750    assert(this-&gt;node!=0);
<a name="l01751"></a>01751    <span class="keywordflow">if</span>(this-&gt;skip_current_children_ || this-&gt;node-&gt;last_child==0) {
<a name="l01752"></a>01752       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#88239267268c728952e0cd89b9326e82">skip_current_children_</a>=<span class="keyword">false</span>;
<a name="l01753"></a>01753       <span class="keywordflow">while</span>(this-&gt;node-&gt;prev_sibling==0)
<a name="l01754"></a>01754          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01755"></a>01755       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01756"></a>01756       }
<a name="l01757"></a>01757    <span class="keywordflow">else</span> {
<a name="l01758"></a>01758       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>;
<a name="l01759"></a>01759       }
<a name="l01760"></a>01760    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01761"></a>01761 }
<a name="l01762"></a>01762 
<a name="l01763"></a>01763 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01764"></a><a class="code" href="classtree_1_1post__order__iterator.html#7041325e846017886e7c43d9c1c2cddb">01764</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::post_order_iterator</a> <a class="code" href="classtree_1_1post__order__iterator.html#baba42c4ecb0a0bb8b21b0c28dfa3009">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::operator++</a>(<span class="keywordtype">int</span>)
<a name="l01765"></a>01765    {
<a name="l01766"></a>01766    <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a> copy = *<span class="keyword">this</span>;
<a name="l01767"></a>01767    ++(*this);
<a name="l01768"></a>01768    <span class="keywordflow">return</span> copy;
<a name="l01769"></a>01769    }
<a name="l01770"></a>01770 
<a name="l01771"></a>01771 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01772"></a><a class="code" href="classtree_1_1post__order__iterator.html#f2c0df6c235853aa2191d02a557a1fea">01772</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::post_order_iterator</a> <a class="code" href="classtree_1_1post__order__iterator.html#f70bbd10b24ca0cf1c674e4ef40899db">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::operator--</a>(<span class="keywordtype">int</span>)
<a name="l01773"></a>01773    {
<a name="l01774"></a>01774    <a class="code" href="classtree_1_1post__order__iterator.html" title="Depth-first iterator, first accessing the children, then the node itself.">post_order_iterator</a> copy = *<span class="keyword">this</span>;
<a name="l01775"></a>01775    --(*this);
<a name="l01776"></a>01776    <span class="keywordflow">return</span> copy;
<a name="l01777"></a>01777    }
<a name="l01778"></a>01778 
<a name="l01779"></a>01779 
<a name="l01780"></a>01780 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01781"></a><a class="code" href="classtree_1_1post__order__iterator.html#0b6c2246f41b0a2ff8e4c9d9efcee879">01781</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::post_order_iterator</a>&amp; <a class="code" href="classtree_1_1post__order__iterator.html#0b6c2246f41b0a2ff8e4c9d9efcee879">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::operator+=</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)
<a name="l01782"></a>01782    {
<a name="l01783"></a>01783    <span class="keywordflow">while</span>(num&gt;0) {
<a name="l01784"></a>01784       ++(*this);
<a name="l01785"></a>01785       --num;
<a name="l01786"></a>01786       }
<a name="l01787"></a>01787    <span class="keywordflow">return</span> (*<span class="keyword">this</span>);
<a name="l01788"></a>01788    }
<a name="l01789"></a>01789 
<a name="l01790"></a>01790 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01791"></a><a class="code" href="classtree_1_1post__order__iterator.html#93b7ddae75f30985a0d81f38bcbaa306">01791</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::post_order_iterator</a>&amp; <a class="code" href="classtree_1_1post__order__iterator.html#93b7ddae75f30985a0d81f38bcbaa306">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::operator-=</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)
<a name="l01792"></a>01792    {
<a name="l01793"></a>01793    <span class="keywordflow">while</span>(num&gt;0) {
<a name="l01794"></a>01794       --(*this);
<a name="l01795"></a>01795       --num;
<a name="l01796"></a>01796       }
<a name="l01797"></a>01797    <span class="keywordflow">return</span> (*<span class="keyword">this</span>);
<a name="l01798"></a>01798    }
<a name="l01799"></a>01799 
<a name="l01800"></a>01800 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01801"></a><a class="code" href="classtree_1_1post__order__iterator.html#ca4676b4986854521cfa2c7d84f62204">01801</a> <span class="keywordtype">void</span> <a class="code" href="classtree_1_1post__order__iterator.html#ca4676b4986854521cfa2c7d84f62204" title="Set iterator to the first child as deep as possible down the tree.">tree&lt;T, tree_node_allocator&gt;::post_order_iterator::descend_all</a>()
<a name="l01802"></a>01802    {
<a name="l01803"></a>01803    assert(this-&gt;node!=0);
<a name="l01804"></a>01804    <span class="keywordflow">while</span>(this-&gt;node-&gt;first_child)
<a name="l01805"></a>01805       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l01806"></a>01806    }
<a name="l01807"></a>01807 
<a name="l01808"></a>01808 
<a name="l01809"></a>01809 <span class="comment">// Fixed depth iterator</span>
<a name="l01810"></a>01810 
<a name="l01811"></a>01811 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01812"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#10f1d20ec2b62e4370a560ebcd84ad54">01812</a> <a class="code" href="classtree_1_1fixed__depth__iterator.html#10f1d20ec2b62e4370a560ebcd84ad54">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::fixed_depth_iterator</a>()
<a name="l01813"></a>01813    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>()
<a name="l01814"></a>01814    {
<a name="l01815"></a>01815    set_first_parent_();
<a name="l01816"></a>01816    }
<a name="l01817"></a>01817 
<a name="l01818"></a>01818 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01819"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#a9c0c41473a4d70efa17d7906829823c">01819</a> <a class="code" href="classtree_1_1fixed__depth__iterator.html#10f1d20ec2b62e4370a560ebcd84ad54">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::fixed_depth_iterator</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tn)
<a name="l01820"></a>01820    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(tn)
<a name="l01821"></a>01821    {
<a name="l01822"></a>01822    set_first_parent_();
<a name="l01823"></a>01823    }
<a name="l01824"></a>01824 
<a name="l01825"></a>01825 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01826"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#64403be9e04a8e4929531b8e227b5d94">01826</a> <a class="code" href="classtree_1_1fixed__depth__iterator.html#10f1d20ec2b62e4370a560ebcd84ad54">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::fixed_depth_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; other)
<a name="l01827"></a>01827    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>)
<a name="l01828"></a>01828    {
<a name="l01829"></a>01829    set_first_parent_();
<a name="l01830"></a>01830    }
<a name="l01831"></a>01831 
<a name="l01832"></a>01832 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01833"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#949317e3e8a986e72e0a8dbb79a00b03">01833</a> <a class="code" href="classtree_1_1fixed__depth__iterator.html#10f1d20ec2b62e4370a560ebcd84ad54">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::fixed_depth_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp; other)
<a name="l01834"></a>01834    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>), <a class="code" href="classtree_1_1fixed__depth__iterator.html#5f6c92f12c4281e94e950ccd70833985">first_parent_</a>(other.parent_)
<a name="l01835"></a>01835    {
<a name="l01836"></a>01836    find_leftmost_parent_();
<a name="l01837"></a>01837    }
<a name="l01838"></a>01838 
<a name="l01839"></a>01839 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01840"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#4416f43946317c249652270fec7c84a6">01840</a> <a class="code" href="classtree_1_1fixed__depth__iterator.html#10f1d20ec2b62e4370a560ebcd84ad54">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::fixed_depth_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a>&amp; other)
<a name="l01841"></a>01841    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>), <a class="code" href="classtree_1_1fixed__depth__iterator.html#5f6c92f12c4281e94e950ccd70833985">first_parent_</a>(other.<a class="code" href="classtree_1_1fixed__depth__iterator.html#5f6c92f12c4281e94e950ccd70833985">first_parent_</a>)
<a name="l01842"></a>01842    {
<a name="l01843"></a>01843    }
<a name="l01844"></a>01844 
<a name="l01845"></a>01845 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01846"></a>01846 <span class="keywordtype">void</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::set_first_parent_</a>()
<a name="l01847"></a>01847    {
<a name="l01848"></a>01848    <span class="keywordflow">return</span>; <span class="comment">// FIXME: we do not use first_parent_ yet, and it actually needs some serious reworking if</span>
<a name="l01849"></a>01849            <span class="comment">// it is ever to work at the 'head' level.</span>
<a name="l01850"></a>01850    <a class="code" href="classtree_1_1fixed__depth__iterator.html#5f6c92f12c4281e94e950ccd70833985">first_parent_</a>=0;
<a name="l01851"></a>01851    <span class="keywordflow">if</span>(this-&gt;node==0) <span class="keywordflow">return</span>;
<a name="l01852"></a>01852    <span class="keywordflow">if</span>(this-&gt;node-&gt;parent!=0)
<a name="l01853"></a>01853       <a class="code" href="classtree_1_1fixed__depth__iterator.html#5f6c92f12c4281e94e950ccd70833985">first_parent_</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01854"></a>01854    <span class="keywordflow">if</span>(<a class="code" href="classtree_1_1fixed__depth__iterator.html#5f6c92f12c4281e94e950ccd70833985">first_parent_</a>)
<a name="l01855"></a>01855       find_leftmost_parent_();
<a name="l01856"></a>01856    }
<a name="l01857"></a>01857 
<a name="l01858"></a>01858 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01859"></a>01859 <span class="keywordtype">void</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::find_leftmost_parent_</a>()
<a name="l01860"></a>01860    {
<a name="l01861"></a>01861    <span class="keywordflow">return</span>; <span class="comment">// FIXME: see 'set_first_parent()'</span>
<a name="l01862"></a>01862    <a class="code" href="classtree.html#672d078d87ae97c58b732a940d7b8ca8">tree_node</a> *tmppar=<a class="code" href="classtree_1_1fixed__depth__iterator.html#5f6c92f12c4281e94e950ccd70833985">first_parent_</a>;
<a name="l01863"></a>01863    <span class="keywordflow">while</span>(tmppar-&gt;prev_sibling) {
<a name="l01864"></a>01864       tmppar=tmppar-&gt;prev_sibling;
<a name="l01865"></a>01865       <span class="keywordflow">if</span>(tmppar-&gt;first_child)
<a name="l01866"></a>01866          <a class="code" href="classtree_1_1fixed__depth__iterator.html#5f6c92f12c4281e94e950ccd70833985">first_parent_</a>=tmppar;
<a name="l01867"></a>01867       }
<a name="l01868"></a>01868    }
<a name="l01869"></a>01869 
<a name="l01870"></a>01870 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01871"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#71bcee62caa033974d5c0d94ab0dc0c6">01871</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator</a>&amp; <a class="code" href="classtree_1_1fixed__depth__iterator.html#71bcee62caa033974d5c0d94ab0dc0c6">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::operator++</a>()
<a name="l01872"></a>01872    {
<a name="l01873"></a>01873    assert(this-&gt;node!=0);
<a name="l01874"></a>01874 
<a name="l01875"></a>01875    <span class="keywordflow">if</span>(this-&gt;node-&gt;next_sibling) {
<a name="l01876"></a>01876       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01877"></a>01877       }
<a name="l01878"></a>01878    <span class="keywordflow">else</span> { 
<a name="l01879"></a>01879       <span class="keywordtype">int</span> relative_depth=0;
<a name="l01880"></a>01880       upper:
<a name="l01881"></a>01881       <span class="keywordflow">do</span> {
<a name="l01882"></a>01882          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01883"></a>01883          <span class="keywordflow">if</span>(this-&gt;node==0) <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01884"></a>01884          --relative_depth;
<a name="l01885"></a>01885          } <span class="keywordflow">while</span>(this-&gt;node-&gt;next_sibling==0);
<a name="l01886"></a>01886       lower:
<a name="l01887"></a>01887       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01888"></a>01888       <span class="keywordflow">while</span>(this-&gt;node-&gt;first_child==0) {
<a name="l01889"></a>01889          <span class="keywordflow">if</span>(this-&gt;node-&gt;next_sibling==0)
<a name="l01890"></a>01890             <span class="keywordflow">goto</span> upper;
<a name="l01891"></a>01891          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l01892"></a>01892          <span class="keywordflow">if</span>(this-&gt;node==0) <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01893"></a>01893          }
<a name="l01894"></a>01894       <span class="keywordflow">while</span>(relative_depth&lt;0 &amp;&amp; this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>!=0) {
<a name="l01895"></a>01895          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l01896"></a>01896          ++relative_depth;
<a name="l01897"></a>01897          }
<a name="l01898"></a>01898       <span class="keywordflow">if</span>(relative_depth&lt;0) {
<a name="l01899"></a>01899          <span class="keywordflow">if</span>(this-&gt;node-&gt;next_sibling==0) <span class="keywordflow">goto</span> upper;
<a name="l01900"></a>01900          <span class="keywordflow">else</span>                          <span class="keywordflow">goto</span> lower;
<a name="l01901"></a>01901          }
<a name="l01902"></a>01902       }
<a name="l01903"></a>01903    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01904"></a>01904 
<a name="l01905"></a>01905 <span class="comment">// if(this-&gt;node-&gt;next_sibling!=0) {</span>
<a name="l01906"></a>01906 <span class="comment">//    this-&gt;node=this-&gt;node-&gt;next_sibling;</span>
<a name="l01907"></a>01907 <span class="comment">//    assert(this-&gt;node!=0);</span>
<a name="l01908"></a>01908 <span class="comment">//    if(this-&gt;node-&gt;parent==0 &amp;&amp; this-&gt;node-&gt;next_sibling==0) // feet element</span>
<a name="l01909"></a>01909 <span class="comment">//       this-&gt;node=0;</span>
<a name="l01910"></a>01910 <span class="comment">//    }</span>
<a name="l01911"></a>01911 <span class="comment">// else {</span>
<a name="l01912"></a>01912 <span class="comment">//    tree_node *par=this-&gt;node-&gt;parent;</span>
<a name="l01913"></a>01913 <span class="comment">//    do {</span>
<a name="l01914"></a>01914 <span class="comment">//       par=par-&gt;next_sibling;</span>
<a name="l01915"></a>01915 <span class="comment">//       if(par==0) { // FIXME: need to keep track of this!</span>
<a name="l01916"></a>01916 <span class="comment">//          this-&gt;node=0;</span>
<a name="l01917"></a>01917 <span class="comment">//          return *this;</span>
<a name="l01918"></a>01918 <span class="comment">//          }</span>
<a name="l01919"></a>01919 <span class="comment">//       } while(par-&gt;first_child==0);</span>
<a name="l01920"></a>01920 <span class="comment">//    this-&gt;node=par-&gt;first_child;</span>
<a name="l01921"></a>01921 <span class="comment">//    }</span>
<a name="l01922"></a>01922    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01923"></a>01923    }
<a name="l01924"></a>01924 
<a name="l01925"></a>01925 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01926"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#39a2c5b5048ec0dfff33fbb55bd7767e">01926</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator</a>&amp; <a class="code" href="classtree_1_1fixed__depth__iterator.html#39a2c5b5048ec0dfff33fbb55bd7767e">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::operator--</a>()
<a name="l01927"></a>01927    {
<a name="l01928"></a>01928    assert(this-&gt;node!=0);
<a name="l01929"></a>01929    <span class="keywordflow">if</span>(this-&gt;node-&gt;prev_sibling!=0) {
<a name="l01930"></a>01930       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01931"></a>01931       assert(this-&gt;node!=0);
<a name="l01932"></a>01932       <span class="keywordflow">if</span>(this-&gt;node-&gt;parent==0 &amp;&amp; this-&gt;node-&gt;prev_sibling==0) <span class="comment">// head element</span>
<a name="l01933"></a>01933          this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=0;
<a name="l01934"></a>01934       }
<a name="l01935"></a>01935    <span class="keywordflow">else</span> {
<a name="l01936"></a>01936       <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *par=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l01937"></a>01937       <span class="keywordflow">do</span> {
<a name="l01938"></a>01938          par=par-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l01939"></a>01939          <span class="keywordflow">if</span>(par==0) { <span class="comment">// FIXME: need to keep track of this!</span>
<a name="l01940"></a>01940             this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=0;
<a name="l01941"></a>01941             <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01942"></a>01942             }
<a name="l01943"></a>01943          } <span class="keywordflow">while</span>(par-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>==0);
<a name="l01944"></a>01944       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=par-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>;
<a name="l01945"></a>01945       }
<a name="l01946"></a>01946    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01947"></a>01947 }
<a name="l01948"></a>01948 
<a name="l01949"></a>01949 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01950"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#f1a1bf2404498a385611f938c2d6a750">01950</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator</a> <a class="code" href="classtree_1_1fixed__depth__iterator.html#71bcee62caa033974d5c0d94ab0dc0c6">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::operator++</a>(<span class="keywordtype">int</span>)
<a name="l01951"></a>01951    {
<a name="l01952"></a>01952    <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a> copy = *<span class="keyword">this</span>;
<a name="l01953"></a>01953    ++(*this);
<a name="l01954"></a>01954    <span class="keywordflow">return</span> copy;
<a name="l01955"></a>01955    }
<a name="l01956"></a>01956 
<a name="l01957"></a>01957 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01958"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#b404acdf3639ea5e5ce2ae65b77b94c7">01958</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator</a> <a class="code" href="classtree_1_1fixed__depth__iterator.html#39a2c5b5048ec0dfff33fbb55bd7767e">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::operator--</a>(<span class="keywordtype">int</span>)
<a name="l01959"></a>01959 {
<a name="l01960"></a>01960   <a class="code" href="classtree_1_1fixed__depth__iterator.html" title="Iterator which traverses only the nodes at a given depth from the root.">fixed_depth_iterator</a> copy = *<span class="keyword">this</span>;
<a name="l01961"></a>01961   --(*this);
<a name="l01962"></a>01962   <span class="keywordflow">return</span> copy;
<a name="l01963"></a>01963 }
<a name="l01964"></a>01964 
<a name="l01965"></a>01965 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01966"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#e8ccf119ae29e96044d9a4eeca2a539d">01966</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator</a>&amp; <a class="code" href="classtree_1_1fixed__depth__iterator.html#e8ccf119ae29e96044d9a4eeca2a539d">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::operator-=</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)
<a name="l01967"></a>01967    {
<a name="l01968"></a>01968    <span class="keywordflow">while</span>(num&gt;0) {
<a name="l01969"></a>01969       --(*this);
<a name="l01970"></a>01970       --(num);
<a name="l01971"></a>01971       }
<a name="l01972"></a>01972    <span class="keywordflow">return</span> (*<span class="keyword">this</span>);
<a name="l01973"></a>01973    }
<a name="l01974"></a>01974 
<a name="l01975"></a>01975 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01976"></a><a class="code" href="classtree_1_1fixed__depth__iterator.html#6909c400794c6feb49d75b99dbf6aa00">01976</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator</a>&amp; <a class="code" href="classtree_1_1fixed__depth__iterator.html#6909c400794c6feb49d75b99dbf6aa00">tree&lt;T, tree_node_allocator&gt;::fixed_depth_iterator::operator+=</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)
<a name="l01977"></a>01977    {
<a name="l01978"></a>01978    <span class="keywordflow">while</span>(num&gt;0) {
<a name="l01979"></a>01979       ++(*this);
<a name="l01980"></a>01980       --(num);
<a name="l01981"></a>01981       }
<a name="l01982"></a>01982    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l01983"></a>01983    }
<a name="l01984"></a>01984 
<a name="l01985"></a>01985 <span class="comment">// FIXME: add the other members of fixed_depth_iterator.</span>
<a name="l01986"></a>01986 
<a name="l01987"></a>01987 
<a name="l01988"></a>01988 <span class="comment">// Sibling iterator</span>
<a name="l01989"></a>01989 
<a name="l01990"></a>01990 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01991"></a><a class="code" href="classtree_1_1sibling__iterator.html#daaf56c800ed241d36802abab3925a2a">01991</a> <a class="code" href="classtree_1_1sibling__iterator.html#daaf56c800ed241d36802abab3925a2a">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::sibling_iterator</a>() 
<a name="l01992"></a>01992    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>()
<a name="l01993"></a>01993    {
<a name="l01994"></a>01994    set_parent_();
<a name="l01995"></a>01995    }
<a name="l01996"></a>01996 
<a name="l01997"></a>01997 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l01998"></a><a class="code" href="classtree_1_1sibling__iterator.html#7ddfa2fffd76fdd78b97973408a80528">01998</a> <a class="code" href="classtree_1_1sibling__iterator.html#daaf56c800ed241d36802abab3925a2a">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::sibling_iterator</a>(<a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tn)
<a name="l01999"></a>01999    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(tn)
<a name="l02000"></a>02000    {
<a name="l02001"></a>02001    set_parent_();
<a name="l02002"></a>02002    }
<a name="l02003"></a>02003 
<a name="l02004"></a>02004 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02005"></a><a class="code" href="classtree_1_1sibling__iterator.html#093ea4798a85b0d52e5db20a876bc0d3">02005</a> <a class="code" href="classtree_1_1sibling__iterator.html#daaf56c800ed241d36802abab3925a2a">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::sibling_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>&amp; other)
<a name="l02006"></a>02006    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(other.<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>)
<a name="l02007"></a>02007    {
<a name="l02008"></a>02008    set_parent_();
<a name="l02009"></a>02009    }
<a name="l02010"></a>02010 
<a name="l02011"></a>02011 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02012"></a><a class="code" href="classtree_1_1sibling__iterator.html#8def7a6f3e109876cb003f4254885ca0">02012</a> <a class="code" href="classtree_1_1sibling__iterator.html#daaf56c800ed241d36802abab3925a2a">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::sibling_iterator</a>(<span class="keyword">const</span> <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a>&amp; other)
<a name="l02013"></a>02013    : <a class="code" href="classtree_1_1iterator__base.html" title="Base class for iterators, only pointers stored, no traversal logic.">iterator_base</a>(other), <a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>(other.<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>)
<a name="l02014"></a>02014    {
<a name="l02015"></a>02015    }
<a name="l02016"></a>02016 
<a name="l02017"></a>02017 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02018"></a>02018 <span class="keywordtype">void</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::set_parent_</a>()
<a name="l02019"></a>02019    {
<a name="l02020"></a>02020    <a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>=0;
<a name="l02021"></a>02021    <span class="keywordflow">if</span>(this-&gt;node==0) <span class="keywordflow">return</span>;
<a name="l02022"></a>02022    <span class="keywordflow">if</span>(this-&gt;node-&gt;parent!=0)
<a name="l02023"></a>02023       <a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#60597bf2f8288fdd616c52f8a5a4e477">parent</a>;
<a name="l02024"></a>02024    }
<a name="l02025"></a>02025 
<a name="l02026"></a>02026 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02027"></a><a class="code" href="classtree_1_1sibling__iterator.html#8d0d647a7843432b5ccc18724fcc3493">02027</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a>&amp; <a class="code" href="classtree_1_1sibling__iterator.html#8d0d647a7843432b5ccc18724fcc3493">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::operator++</a>()
<a name="l02028"></a>02028    {
<a name="l02029"></a>02029    <span class="keywordflow">if</span>(this-&gt;node)
<a name="l02030"></a>02030       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#195a647282d6ab1de50d9ac87aa42bce">next_sibling</a>;
<a name="l02031"></a>02031    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l02032"></a>02032    }
<a name="l02033"></a>02033 
<a name="l02034"></a>02034 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02035"></a><a class="code" href="classtree_1_1sibling__iterator.html#7e91377755da77acd20d5b9356f7498e">02035</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a>&amp; <a class="code" href="classtree_1_1sibling__iterator.html#7e91377755da77acd20d5b9356f7498e">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::operator--</a>()
<a name="l02036"></a>02036    {
<a name="l02037"></a>02037    <span class="keywordflow">if</span>(this-&gt;node) this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>-&gt;<a class="code" href="classtree__node__.html#e7b8325f91c0b4460552cef6b9aec159">prev_sibling</a>;
<a name="l02038"></a>02038    <span class="keywordflow">else</span> {
<a name="l02039"></a>02039       assert(<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>);
<a name="l02040"></a>02040       this-&gt;<a class="code" href="classtree_1_1iterator__base.html#8e012d9505968cd1b51afab5bb4f2bf0">node</a>=<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>;
<a name="l02041"></a>02041       }
<a name="l02042"></a>02042    <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l02043"></a>02043 }
<a name="l02044"></a>02044 
<a name="l02045"></a>02045 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02046"></a><a class="code" href="classtree_1_1sibling__iterator.html#66b73e99c5425620a5e282fe23cdfd98">02046</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a> <a class="code" href="classtree_1_1sibling__iterator.html#8d0d647a7843432b5ccc18724fcc3493">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::operator++</a>(<span class="keywordtype">int</span>)
<a name="l02047"></a>02047    {
<a name="l02048"></a>02048    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> copy = *<span class="keyword">this</span>;
<a name="l02049"></a>02049    ++(*this);
<a name="l02050"></a>02050    <span class="keywordflow">return</span> copy;
<a name="l02051"></a>02051    }
<a name="l02052"></a>02052 
<a name="l02053"></a>02053 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02054"></a><a class="code" href="classtree_1_1sibling__iterator.html#eac6e7802aabdf7050b314af8d56c81d">02054</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a> <a class="code" href="classtree_1_1sibling__iterator.html#7e91377755da77acd20d5b9356f7498e">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::operator--</a>(<span class="keywordtype">int</span>)
<a name="l02055"></a>02055    {
<a name="l02056"></a>02056    <a class="code" href="classtree_1_1sibling__iterator.html" title="Iterator which traverses only the nodes which are siblings of each other.">sibling_iterator</a> copy = *<span class="keyword">this</span>;
<a name="l02057"></a>02057    --(*this);
<a name="l02058"></a>02058    <span class="keywordflow">return</span> copy;
<a name="l02059"></a>02059    }
<a name="l02060"></a>02060 
<a name="l02061"></a>02061 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02062"></a><a class="code" href="classtree_1_1sibling__iterator.html#d36b6994a50c0f73154b08ab35abf336">02062</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a>&amp; <a class="code" href="classtree_1_1sibling__iterator.html#d36b6994a50c0f73154b08ab35abf336">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::operator+=</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)
<a name="l02063"></a>02063    {
<a name="l02064"></a>02064    <span class="keywordflow">while</span>(num&gt;0) {
<a name="l02065"></a>02065       ++(*this);
<a name="l02066"></a>02066       --num;
<a name="l02067"></a>02067       }
<a name="l02068"></a>02068    <span class="keywordflow">return</span> (*<span class="keyword">this</span>);
<a name="l02069"></a>02069    }
<a name="l02070"></a>02070 
<a name="l02071"></a>02071 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02072"></a><a class="code" href="classtree_1_1sibling__iterator.html#f7b0a37317400fe16a1ad422c1ee6fa1">02072</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::sibling_iterator</a>&amp; <a class="code" href="classtree_1_1sibling__iterator.html#f7b0a37317400fe16a1ad422c1ee6fa1">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::operator-=</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)
<a name="l02073"></a>02073    {
<a name="l02074"></a>02074    <span class="keywordflow">while</span>(num&gt;0) {
<a name="l02075"></a>02075       --(*this);
<a name="l02076"></a>02076       --num;
<a name="l02077"></a>02077       }
<a name="l02078"></a>02078    <span class="keywordflow">return</span> (*<span class="keyword">this</span>);
<a name="l02079"></a>02079    }
<a name="l02080"></a>02080 
<a name="l02081"></a>02081 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02082"></a><a class="code" href="classtree_1_1sibling__iterator.html#faed5294cdf5a6679c788fff0196c2a8">02082</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::tree_node</a> *<a class="code" href="classtree_1_1sibling__iterator.html#faed5294cdf5a6679c788fff0196c2a8">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::range_first</a>()<span class="keyword"> const</span>
<a name="l02083"></a>02083 <span class="keyword">   </span>{
<a name="l02084"></a>02084    <a class="code" href="classtree__node__.html" title="A node in the tree, combining links to other nodes as well as the actual data.">tree_node</a> *tmp=<a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>-&gt;<a class="code" href="classtree__node__.html#d51591496e654515b662095f70d1fc1a">first_child</a>;
<a name="l02085"></a>02085    <span class="keywordflow">return</span> tmp;
<a name="l02086"></a>02086    }
<a name="l02087"></a>02087 
<a name="l02088"></a>02088 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> tree_node_allocator&gt;
<a name="l02089"></a><a class="code" href="classtree_1_1sibling__iterator.html#85438655c23ba60d2a4f83787e3dcf48">02089</a> <span class="keyword">typename</span> <a class="code" href="classtree.html">tree&lt;T, tree_node_allocator&gt;::tree_node</a> *<a class="code" href="classtree_1_1sibling__iterator.html#85438655c23ba60d2a4f83787e3dcf48">tree&lt;T, tree_node_allocator&gt;::sibling_iterator::range_last</a>()<span class="keyword"> const</span>
<a name="l02090"></a>02090 <span class="keyword">   </span>{
<a name="l02091"></a>02091    <span class="keywordflow">return</span> <a class="code" href="classtree_1_1sibling__iterator.html#204f7449ee908f982d21cc3d334d25bc">parent_</a>-&gt;<a class="code" href="classtree__node__.html#611d3c41c716dae6bf2012e3d9152933">last_child</a>;
<a name="l02092"></a>02092    }
<a name="l02093"></a>02093 
<a name="l02094"></a>02094 
<a name="l02095"></a>02095 <span class="preprocessor">#endif</span>
<a name="l02096"></a>02096 <span class="preprocessor"></span>
<a name="l02097"></a>02097 <span class="comment">// Local variables:</span>
<a name="l02098"></a>02098 <span class="comment">// default-tab-width: 3</span>
<a name="l02099"></a>02099 <span class="comment">// End:</span>
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Mon Nov 19 20:27:59 2007 for LibOFX by&nbsp;
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