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<div class="title">wxScopedArray< T > Class Template Reference<div class="ingroups"><a class="el" href="group__group__class__smartpointers.html">Smart Pointers</a></div></div> </div>
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<p><code>#include <wx/scopedarray.h></code></p>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<class T><br/>
class wxScopedArray< T ></h3>
<p>A scoped array template class. </p>
<p>This is a simple scoped smart pointer array implementation that is similar to the Boost smart pointers (see <a href="http://www.boost.org/">http://www.boost.org/</a>) but rewritten to use macros instead.</p>
<p>This class is similar to boost scoped_array class: <a href="http://www.boost.org/doc/libs/1_37_0/libs/smart_ptr/scoped_array.htm">http://www.boost.org/doc/libs/1_37_0/libs/smart_ptr/scoped_array.htm</a></p>
<p>Notice that objects of this class intentionally cannot be copied.</p>
<h2></h2>
<div><span class="lib">Library:</span>  <span class="lib_text"><a class="el" href="page_libs.html#page_libs_wxbase">wxBase</a></span></div><div><span class="category">Category:</span>  <span class="category_text"><a class="el" href="group__group__class__smartpointers.html">Smart Pointers</a></span></div><p><b>Example:</b> </p>
<p>Below is an example of using a wxWidgets scoped smart pointer and pointer array.</p>
<div class="fragment"><div class="line"><span class="keyword">class </span>MyClass { ... };</div>
<div class="line"></div>
<div class="line"><span class="comment">// declare a smart pointer to a MyClass called wxMyClassPtr</span></div>
<div class="line">wxDECLARE_SCOPED_PTR(MyClass, wxMyClassPtr)</div>
<div class="line"><span class="comment">// declare a smart pointer to an array of chars</span></div>
<div class="line">wxDECLARE_SCOPED_ARRAY(<span class="keywordtype">char</span>, wxCharArray)</div>
<div class="line"></div>
<div class="line">...</div>
<div class="line"></div>
<div class="line"><span class="comment">// define the first pointer class, must be complete</span></div>
<div class="line">wxDEFINE_SCOPED_PTR(MyClass, wxMyClassPtr)</div>
<div class="line"><span class="comment">// define the second pointer class</span></div>
<div class="line">wxDEFINE_SCOPED_ARRAY(<span class="keywordtype">char</span>, wxCharArray)</div>
<div class="line"></div>
<div class="line"><span class="comment">// create an object with a new pointer to MyClass</span></div>
<div class="line">wxMyClassPtr theObj(new MyClass());</div>
<div class="line"><span class="comment">// reset the pointer (deletes the previous one)</span></div>
<div class="line">theObj.<a class="code" href="classwx_scoped_array.html#a2fda76162f6d263438e9b274d2f7b81b" title="Deletes the currently held pointer and sets it to 'p' or to NULL if no arguments are specified...">reset</a>(new MyClass());</div>
<div class="line"></div>
<div class="line"><span class="comment">// access the pointer</span></div>
<div class="line">theObj->MyFunc();</div>
<div class="line"></div>
<div class="line"><span class="comment">// create an object with a new array of chars</span></div>
<div class="line">wxCharArray theCharObj(new <span class="keywordtype">char</span>[100]);</div>
<div class="line"></div>
<div class="line"><span class="comment">// access the array</span></div>
<div class="line">theCharObj[0] = "!";</div>
</div><!-- fragment --><p><b>Declaring new smart pointer types:</b> </p>
<div class="fragment"><div class="line">wxDECLAR_SCOPED_ARRAY( TYPE, <span class="comment">// type of the values</span></div>
<div class="line"> CLASSNAME ); <span class="comment">// name of the class</span></div>
</div><!-- fragment --><p>A smart pointer holds a pointer to an object (which must be complete when wxDEFINE_SCOPED_ARRAY() is called).</p>
<p>The memory used by the object is deleted when the smart pointer goes out of scope. The first argument of the macro is the pointer type, the second is the name of the new smart pointer class being created. Below we will use <a class="el" href="classwx_scoped_array.html" title="A scoped array template class.">wxScopedArray</a> to represent the scoped pointer array class, but the user may create the class with any legal name.</p>
<h2></h2>
<div><span class="lib">Library:</span>  <span class="lib_text"><a class="el" href="page_libs.html#page_libs_wxbase">wxBase</a></span></div><div><span class="category">Category:</span>  <span class="category_text"><a class="el" href="group__group__class__smartpointers.html">Smart Pointers</a></span></div><dl class="section see"><dt>See Also</dt><dd><a class="el" href="classwx_scoped_ptr.html" title="This is a simple scoped smart pointer implementation that is similar to the Boost smart pointers (see...">wxScopedPtr</a> </dd></dl>
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:ac28509dec72c7d4c56bd1123ffafc80e"><td class="memItemLeft" align="right" valign="top">typedef T </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#ac28509dec72c7d4c56bd1123ffafc80e">element_type</a></td></tr>
<tr class="memdesc:ac28509dec72c7d4c56bd1123ffafc80e"><td class="mdescLeft"> </td><td class="mdescRight">The type of the array elements. <a href="#ac28509dec72c7d4c56bd1123ffafc80e"></a><br/></td></tr>
<tr class="separator:ac28509dec72c7d4c56bd1123ffafc80e"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aae9a7af43d30a2ed88ad081726ad3bbd"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#aae9a7af43d30a2ed88ad081726ad3bbd">wxScopedArray</a> (type *T=NULL)</td></tr>
<tr class="memdesc:aae9a7af43d30a2ed88ad081726ad3bbd"><td class="mdescLeft"> </td><td class="mdescRight">Creates the smart pointer with the given pointer or none if <span class="literal">NULL</span>. <a href="#aae9a7af43d30a2ed88ad081726ad3bbd"></a><br/></td></tr>
<tr class="separator:aae9a7af43d30a2ed88ad081726ad3bbd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaba2436381ab2e5f8475012549d86db4"><td class="memItemLeft" align="right" valign="top">const T * </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#aaba2436381ab2e5f8475012549d86db4">get</a> ()</td></tr>
<tr class="memdesc:aaba2436381ab2e5f8475012549d86db4"><td class="mdescLeft"> </td><td class="mdescRight">This operator gets the pointer stored in the smart pointer or returns <span class="literal">NULL</span> if there is none. <a href="#aaba2436381ab2e5f8475012549d86db4"></a><br/></td></tr>
<tr class="separator:aaba2436381ab2e5f8475012549d86db4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8952ef9694da124e40130363038d4b3d"><td class="memItemLeft" align="right" valign="top">const T & </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#a8952ef9694da124e40130363038d4b3d">operator[]</a> (long int i)</td></tr>
<tr class="memdesc:a8952ef9694da124e40130363038d4b3d"><td class="mdescLeft"> </td><td class="mdescRight">This operator acts like the standard [] indexing operator for C++ arrays. <a href="#a8952ef9694da124e40130363038d4b3d"></a><br/></td></tr>
<tr class="separator:a8952ef9694da124e40130363038d4b3d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2fda76162f6d263438e9b274d2f7b81b"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#a2fda76162f6d263438e9b274d2f7b81b">reset</a> (T *p=NULL)</td></tr>
<tr class="memdesc:a2fda76162f6d263438e9b274d2f7b81b"><td class="mdescLeft"> </td><td class="mdescRight">Deletes the currently held pointer and sets it to 'p' or to <span class="literal">NULL</span> if no arguments are specified. <a href="#a2fda76162f6d263438e9b274d2f7b81b"></a><br/></td></tr>
<tr class="separator:a2fda76162f6d263438e9b274d2f7b81b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1c2383aef679994454f4cd5f4faf8ad3"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#a1c2383aef679994454f4cd5f4faf8ad3">swap</a> (<a class="el" href="classwx_scoped_array.html">wxScopedArray</a> &ot)</td></tr>
<tr class="memdesc:a1c2383aef679994454f4cd5f4faf8ad3"><td class="mdescLeft"> </td><td class="mdescRight">Swap the pointer inside the smart pointer with <em>ot</em>. <a href="#a1c2383aef679994454f4cd5f4faf8ad3"></a><br/></td></tr>
<tr class="separator:a1c2383aef679994454f4cd5f4faf8ad3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0ccb5c555051a3455903bc70d62e34e7"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#a0ccb5c555051a3455903bc70d62e34e7">wxScopedArray</a> (T *array=NULL)</td></tr>
<tr class="memdesc:a0ccb5c555051a3455903bc70d62e34e7"><td class="mdescLeft"> </td><td class="mdescRight">Constructor takes ownership of the given array. <a href="#a0ccb5c555051a3455903bc70d62e34e7"></a><br/></td></tr>
<tr class="separator:a0ccb5c555051a3455903bc70d62e34e7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab1290af2f1e951056cdc33770584b11a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#ab1290af2f1e951056cdc33770584b11a">~wxScopedArray</a> ()</td></tr>
<tr class="memdesc:ab1290af2f1e951056cdc33770584b11a"><td class="mdescLeft"> </td><td class="mdescRight">Destructor destroy the array. <a href="#ab1290af2f1e951056cdc33770584b11a"></a><br/></td></tr>
<tr class="separator:ab1290af2f1e951056cdc33770584b11a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af451c2674e5a8d2bcc97dbf0795f7b12"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#af451c2674e5a8d2bcc97dbf0795f7b12">operator unspecified_bool_type</a> () const </td></tr>
<tr class="memdesc:af451c2674e5a8d2bcc97dbf0795f7b12"><td class="mdescLeft"> </td><td class="mdescRight">Conversion to a boolean expression (in a variant which is not convertible to anything but a boolean expression). <a href="#af451c2674e5a8d2bcc97dbf0795f7b12"></a><br/></td></tr>
<tr class="separator:af451c2674e5a8d2bcc97dbf0795f7b12"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a877c6b3f10236aa6ce0e273d93cdf910"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#a877c6b3f10236aa6ce0e273d93cdf910">reset</a> (T *array=NULL)</td></tr>
<tr class="memdesc:a877c6b3f10236aa6ce0e273d93cdf910"><td class="mdescLeft"> </td><td class="mdescRight">Change the array pointer stored. <a href="#a877c6b3f10236aa6ce0e273d93cdf910"></a><br/></td></tr>
<tr class="separator:a877c6b3f10236aa6ce0e273d93cdf910"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a315ad6a56187a5a90c5d71c4dfd94d25"><td class="memItemLeft" align="right" valign="top">T & </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#a315ad6a56187a5a90c5d71c4dfd94d25">operator[]</a> (size_t n) const </td></tr>
<tr class="memdesc:a315ad6a56187a5a90c5d71c4dfd94d25"><td class="mdescLeft"> </td><td class="mdescRight">Return the n-th element of the array. <a href="#a315ad6a56187a5a90c5d71c4dfd94d25"></a><br/></td></tr>
<tr class="separator:a315ad6a56187a5a90c5d71c4dfd94d25"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4d2097f0ae3410f5eb5afcc2e08c1b9b"><td class="memItemLeft" align="right" valign="top">T * </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#a4d2097f0ae3410f5eb5afcc2e08c1b9b">get</a> () const </td></tr>
<tr class="memdesc:a4d2097f0ae3410f5eb5afcc2e08c1b9b"><td class="mdescLeft"> </td><td class="mdescRight">Return the array pointer. <a href="#a4d2097f0ae3410f5eb5afcc2e08c1b9b"></a><br/></td></tr>
<tr class="separator:a4d2097f0ae3410f5eb5afcc2e08c1b9b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac7f6ea16c7b21dcd2d53f5c3048f1061"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_scoped_array.html#ac7f6ea16c7b21dcd2d53f5c3048f1061">swap</a> (<a class="el" href="classwx_scoped_array.html">wxScopedArray</a> &other)</td></tr>
<tr class="memdesc:ac7f6ea16c7b21dcd2d53f5c3048f1061"><td class="mdescLeft"> </td><td class="mdescRight">Swaps the contents of this array with another one. <a href="#ac7f6ea16c7b21dcd2d53f5c3048f1061"></a><br/></td></tr>
<tr class="separator:ac7f6ea16c7b21dcd2d53f5c3048f1061"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<h2 class="groupheader">Member Typedef Documentation</h2>
<a class="anchor" id="ac28509dec72c7d4c56bd1123ffafc80e"></a>
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<div class="memproto">
<div class="memtemplate">
template<class T > </div>
<table class="memname">
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<td class="memname">typedef T <a class="el" href="classwx_scoped_array.html">wxScopedArray</a>< T >::<a class="el" href="classwx_scoped_array.html#ac28509dec72c7d4c56bd1123ffafc80e">element_type</a></td>
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<p>The type of the array elements. </p>
</div>
</div>
<h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a class="anchor" id="aae9a7af43d30a2ed88ad081726ad3bbd"></a>
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<div class="memtemplate">
template<class T > </div>
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<td class="memname"><a class="el" href="classwx_scoped_array.html">wxScopedArray</a>< T >::<a class="el" href="classwx_scoped_array.html">wxScopedArray</a> </td>
<td>(</td>
<td class="paramtype">type * </td>
<td class="paramname"><em>T</em> = <code>NULL</code></td><td>)</td>
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<p>Creates the smart pointer with the given pointer or none if <span class="literal">NULL</span>. </p>
<p>On compilers that support it, this uses the explicit keyword. </p>
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<a class="anchor" id="a0ccb5c555051a3455903bc70d62e34e7"></a>
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template<class T > </div>
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<td class="memname"><a class="el" href="classwx_scoped_array.html">wxScopedArray</a>< T >::<a class="el" href="classwx_scoped_array.html">wxScopedArray</a> </td>
<td>(</td>
<td class="paramtype">T * </td>
<td class="paramname"><em>array</em> = <code>NULL</code></td><td>)</td>
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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<p>Constructor takes ownership of the given array. </p>
<p>If <em>array</em> is <span class="literal">NULL</span>, <a class="el" href="classwx_scoped_array.html#a2fda76162f6d263438e9b274d2f7b81b" title="Deletes the currently held pointer and sets it to 'p' or to NULL if no arguments are specified...">reset()</a> must presumably be called later.</p>
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<tr><td class="paramname">array</td><td>An array allocated using <code>new</code>[] or <span class="literal">NULL</span>. </td></tr>
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<td class="memname"><a class="el" href="classwx_scoped_array.html">wxScopedArray</a>< T >::~<a class="el" href="classwx_scoped_array.html">wxScopedArray</a> </td>
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<p>Destructor destroy the array. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<p>This operator gets the pointer stored in the smart pointer or returns <span class="literal">NULL</span> if there is none. </p>
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<p>Return the array pointer. </p>
<p>The returned pointer may be <span class="literal">NULL</span>. It must not be deleted by the caller, call <code>reset(NULL)</code> instead. </p>
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<p>Conversion to a boolean expression (in a variant which is not convertible to anything but a boolean expression). </p>
<p>If this class contains a valid array it will return <span class="literal">true</span>, if it contains a <span class="literal">NULL</span> pointer it will return <span class="literal">false</span>. </p>
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<p>This operator acts like the standard [] indexing operator for C++ arrays. </p>
<p>The function does not do bounds checking. </p>
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<p>Return the n-th element of the array. </p>
<p>Must not be called if the array has no valid pointer. </p>
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<p>Deletes the currently held pointer and sets it to 'p' or to <span class="literal">NULL</span> if no arguments are specified. </p>
<p>This function does check to make sure that the pointer you are assigning is not the same pointer that is already stored. </p>
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<p>Change the array pointer stored. </p>
<p>The previously stored array is deleted.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">array</td><td>An array allocated using <code>new</code>[] or <span class="literal">NULL</span>. </td></tr>
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<td class="memname"><a class="el" href="classwx_scoped_array.html">wxScopedArray</a>< T >::swap </td>
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<p>Swap the pointer inside the smart pointer with <em>ot</em>. </p>
<p>The pointer being swapped must be of the same type (hence the same class name). </p>
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<p>Swaps the contents of this array with another one. </p>
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