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|
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<html><head>
<title>Class: Amrita::Element</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<link rel=StyleSheet href="../.././rdoc-style.css" type="text/css" media="screen" />
<script type="text/javascript" language="JavaScript">
<!--
function popCode(url) {
window.open(url, "Code",
"resizable=yes,scrollbars=yes,toolbar=no,status=no,height=150,width=400")
}
//-->
</script>
</head>
<body bgcolor="white">
<table summary="Information on class" width="100%" border="0" cellspacing="0">
<tr class="title-row">
<td class="big-title-font">
<sup><font color="aqua">Class</font></sup> Amrita::Element
</td>
<td align="right">
<table summary="layout" cellspacing="0" cellpadding="2">
<tr valign="top">
<td class="small-title-font">In:</td>
<td class="small-title-font">
<a href="../../files/lib/amrita/node_expand_rb.html" class="aqua">
lib/amrita/node_expand.rb
</a>
<br />
<a href="../../files/lib/amrita/node_rb.html" class="aqua">
lib/amrita/node.rb
</a>
<br />
<a href="../../files/lib/amrita/format_rb.html" class="aqua">
lib/amrita/format.rb
</a>
<br />
<a href="../../files/lib/amrita/compiler_rb.html" class="aqua">
lib/amrita/compiler.rb
</a>
<br />
</td>
</tr>
<tr>
<td class="small-title-font">Parent:</td>
<td class="small-title-font">
Object
</td>
</tr>
</table>
</td>
</tr>
</table>
<!-- banner header -->
<div class="description"><p>
represents HTML element
</p>
</div>
<table summary="Methods" cellpadding="5" width="100%">
<tr><td class="tablesubtitle">Methods</td></tr>
</table>
<div class="name-list">
<a href="#M000198"><<</a>
<a href="#M000189">==</a>
<a href="#M000200">[]</a>
<a href="#M000201">[]=</a>
<a href="#M000187">apply_to_children</a>
<a href="#M000191">clone</a>
<a href="#M000202">delete_attr!</a>
<a href="#M000204">each_element_with_id</a>
<a href="#M000194">hid</a>
<a href="#M000195">hide_hid!</a>
<a href="#M000199">include_attr?</a>
<a href="#M000188">new</a>
<a href="#M000197">put_attr</a>
<a href="#M000190">set_tag</a>
<a href="#M000205">set_text</a>
<a href="#M000196">tagclass</a>
<a href="#M000192">tagname</a>
<a href="#M000193">tagname_symbol</a>
<a href="#M000203">to_ruby</a>
</div>
<table summary="Attributes" cellpadding="5" width="100%">
<tr><td class="tablesubtitle">Attributes</td></tr>
</table>
<table summary="Attribute details" cellspacing="5">
<tr valign="top">
<td class="attr-name">:attrs</td>
<td align="center" class="attr-rw"> [R] </td>
<td><p>
return attributes as <a href="AttrArray.html">AttrArray</a>
</p>
<p>
CAUTION! never edit result of this method. use []= instead. because it may
be shared by other Elements.
</p>
</td>
</tr>
<tr valign="top">
<td class="attr-name">:attrs_hash</td>
<td align="center" class="attr-rw"> [R] </td>
<td><p>
CAUTION! internal use only
</p>
</td>
</tr>
<tr valign="top">
<td class="attr-name">:body</td>
<td align="center" class="attr-rw"> [R] </td>
<td><p>
return body
</p>
</td>
</tr>
<tr valign="top">
<td class="attr-name">:hide_hid</td>
<td align="center" class="attr-rw"> [R] </td>
<td><p>
CAUTION! internal use only
</p>
</td>
</tr>
</table>
<table summary="Included modules" cellpadding="5" width="100%">
<tr><td class="tablesubtitle">Included modules</td></tr>
</table>
<div class="name-list">
<span class="method-name">Node</span>
</div>
<table summary="Method list" cellpadding="5" width="100%">
<tr><td class="tablesubtitle">Public Class methods</td></tr>
</table>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000188"></a>
<b>new</b>(tagname_or_element, *a, &block)
</td></tr>
</table>
<div class="description">
<p>
Don't use <a href="Element.html">Element</a>.new. Use Amrita#e instead.
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 340</span>
<span class="kw">def</span> initialize(tagname_or_element, *a, &block)
<span class="kw">case</span> tagname_or_element
<span class="kw">when</span> Element
@tagname = tagname_or_element.tagname_symbol
@attrs = tagname_or_element.attrs
@attrs.shared = <span class="kw">true</span>
@attrs_hash = tagname_or_element.attrs_hash
@hide_hid = tagname_or_element.hide_hid
<span class="kw">if</span> block_given?
init_body(&block)
<span class="kw">else</span>
@body = tagname_or_element.body.clone
<span class="kw">end</span>
<span class="kw">when</span> Symbol, String
set_tag(tagname_or_element)
@attrs = AttrArray.new
@attrs_hash = {}
@hide_hid = <span class="kw">false</span>
<span class="kw">if</span> a.size() == 1 <span class="kw">and</span> a.kind_of?(AttrArray)
@attrs = a
@attrs.shared = <span class="kw">true</span>
@attrs.each <span class="kw">do</span> |a|
@attrs_hash[a.key_symbol] = a
<span class="kw">end</span>
<span class="kw">else</span>
a.each { |aa| put_attr(aa) }
<span class="kw">end</span>
<span class="kw">if</span> block_given?
init_body(&block)
<span class="kw">else</span>
@body = Null
<span class="kw">end</span>
<span class="kw">end</span>
<span class="kw">end</span>
</pre>
<table summary="Method list" cellpadding="5" width="100%">
<tr><td class="tablesubtitle">Public Instance methods</td></tr>
</table>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000187"></a>
<b>apply_to_children</b>(&block) {|body| ...}
</td></tr>
</table>
<pre class="source">
<span class="cmt"># File lib/amrita/node_expand.rb, line 336</span>
<span class="kw">def</span> apply_to_children(&block)
clone { <span class="kw">yield</span>(body) }
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000189"></a>
<b>==</b>(x)
</td></tr>
</table>
<div class="description">
<p>
test if tagname and attributes and body are equal to self. doesn't concern
the order of attributes
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 377</span>
<span class="kw">def</span> ==(x)
<span class="kw">return</span> <span class="kw">false</span> <span class="kw">unless</span> x.kind_of?(Element)
<span class="kw">return</span> <span class="kw">true</span> <span class="kw">if</span> x.id == id
<span class="kw">return</span> <span class="kw">false</span> <span class="kw">unless</span> x.tagname_symbol == @tagname
<span class="kw">return</span> <span class="kw">false</span> <span class="kw">unless</span> x.attrs.size == @attrs.size
@attrs.each <span class="kw">do</span> |a|
<span class="kw">return</span> <span class="kw">false</span> <span class="kw">unless</span> x[a.key] == a.value
<span class="kw">end</span>
<span class="kw">return</span> <span class="kw">false</span> <span class="kw">unless</span> x.body == @body
<span class="kw">true</span>
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000190"></a>
<b>set_tag</b>(tagname)
</td></tr>
</table>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 389</span>
<span class="kw">def</span> set_tag(tagname)
<span class="kw">if</span> tagname
@tagname = tagname.intern
<span class="kw">else</span>
@tagname = <span class="kw">nil</span>
<span class="kw">end</span>
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000191"></a>
<b>clone</b>(&block)
</td></tr>
</table>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 397</span>
<span class="kw">def</span> clone(&block)
Element.new(<span class="kw">self</span>, &block)
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000192"></a>
<b>tagname</b>()
</td></tr>
</table>
<div class="description">
<p>
return <a href="Tag.html">Tag</a> as String
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 402</span>
<span class="kw">def</span> tagname
@tagname.id2name
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000193"></a>
<b>tagname_symbol</b>()
</td></tr>
</table>
<div class="description">
<p>
return <a href="Tag.html">Tag</a> as Symbol
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 407</span>
<span class="kw">def</span> tagname_symbol
@tagname
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000194"></a>
<b>hid</b>()
</td></tr>
</table>
<div class="description">
<p>
return id=... attribule value. It can be hide by +<a
href="Element.html#M000195">hide_hid!</a>
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 412</span>
<span class="kw">def</span> hid
<span class="kw">if</span> @hide_hid
<span class="kw">nil</span>
<span class="kw">else</span>
<span class="kw">self</span>[:id] <span class="kw">or</span> <span class="kw">self</span>[:ID]
<span class="kw">end</span>
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000195"></a>
<b>hide_hid!</b>()
</td></tr>
</table>
<div class="description">
<p>
hide hid for internal use (expand).
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 421</span>
<span class="kw">def</span> hide_hid!
@hide_hid = <span class="kw">true</span>
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000196"></a>
<b>tagclass</b>()
</td></tr>
</table>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 425</span>
<span class="kw">def</span> tagclass
<span class="kw">self</span>[:class]
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000197"></a>
<b>put_attr</b>(a)
</td></tr>
</table>
<div class="description">
<p>
set attribule.
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 430</span>
<span class="kw">def</span> put_attr(a)
copy_on_write <span class="kw">if</span> @attrs.shared
<span class="kw">case</span> a
<span class="kw">when</span> Attr
<span class="kw">if</span> @attrs_hash[a.key_symbol]
<span class="kw">self</span>[a.key_symbol] = a.value
<span class="kw">else</span>
a = a.clone
@attrs << a
@attrs_hash[a.key_symbol] = a
<span class="kw">end</span>
<span class="kw">when</span> AttrArray
a.each <span class="kw">do</span> |aa|
put_attr(aa)
<span class="kw">end</span>
<span class="kw">when</span> Hash
a.each <span class="kw">do</span> |k, v|
put_attr(Attr.new(k, v))
<span class="kw">end</span>
<span class="kw">else</span>
raise " << not a Attr but a #{a.class}" <span class="kw">unless</span> a.kind_of?(Attr)
<span class="kw">end</span>
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000198"></a>
<b><<</b>(a, &block)
</td></tr>
</table>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 454</span>
<span class="kw">def</span> <<(a, &block)
put_attr(a)
init_body(&block) <span class="kw">if</span> block_given?
<span class="kw">self</span>
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000199"></a>
<b>include_attr?</b>(key)
</td></tr>
</table>
<div class="description">
<p>
test if it has attribule for <tt>key</tt>
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 461</span>
<span class="kw">def</span> include_attr?(key)
@attrs_hash.include?(key.intern)
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000200"></a>
<b>[]</b>(key)
</td></tr>
</table>
<div class="description">
<p>
return attribule value for <tt>key</tt>
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 466</span>
<span class="kw">def</span> [](key)
a = @attrs_hash[key.intern]
<span class="kw">if</span> a
a.value
<span class="kw">else</span>
<span class="kw">nil</span>
<span class="kw">end</span>
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000201"></a>
<b>[]=</b>(key, value)
</td></tr>
</table>
<div class="description">
<p>
set attribule. delete it if <tt>value</tt> is <tt>nil</tt>
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 476</span>
<span class="kw">def</span> []=(key, value)
copy_on_write <span class="kw">if</span> @attrs.shared
key = key.intern
a = @attrs_hash[key]
<span class="kw">if</span> a
<span class="kw">if</span> value
a.value = value
<span class="kw">else</span>
delete_attr!(key)
<span class="kw">end</span>
<span class="kw">else</span>
put_attr(Attr.new(key,value)) <span class="kw">if</span> value
<span class="kw">end</span>
value
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000202"></a>
<b>delete_attr!</b>(key)
</td></tr>
</table>
<div class="description">
<p>
delete attribute of <tt>key</tt>
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 493</span>
<span class="kw">def</span> delete_attr!(key)
copy_on_write <span class="kw">if</span> @attrs.shared
key = key.intern
old_attrs = @attrs
@attrs = AttrArray.new
@attrs_hash = {}
old_attrs.each <span class="kw">do</span> |a|
put_attr(a) <span class="kw">if</span> a.key_symbol != key
<span class="kw">end</span>
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000203"></a>
<b>to_ruby</b>()
</td></tr>
</table>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 504</span>
<span class="kw">def</span> to_ruby
ret = "e(:#{tagname}"
<span class="kw">if</span> attrs.size > 0
ret << <span class="str">","</span>
ret << attrs.collect { |a| a.to_ruby}.join(<span class="str">","</span>)
<span class="kw">end</span>
ret << <span class="str">") "</span>
ret << "{ #{body.to_ruby} }" <span class="kw">if</span> body <span class="kw">and</span> <span class="kw">not</span> body.kind_of?(NullNode)
ret
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000204"></a>
<b>each_element_with_id</b>(recursive=false, &block) {|self| ...}
</td></tr>
</table>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 515</span>
<span class="kw">def</span> each_element_with_id(recursive=<span class="kw">false</span>, &block)
<span class="kw">if</span> hid
<span class="kw">yield</span>(<span class="kw">self</span>)
<span class="kw">super</span> <span class="kw">if</span> recursive
<span class="kw">else</span>
<span class="kw">super</span>
<span class="kw">end</span>
<span class="kw">end</span>
</pre>
<table summary="method" width="100%" cellspacing="0" cellpadding="5" border="0">
<tr><td class="methodtitle">
<a name="M000205"></a>
<b>set_text</b>(text)
</td></tr>
</table>
<div class="description">
<p>
set the <tt>text</tt> to body of this <a href="Element.html">Element</a>.
</p>
</div>
<pre class="source">
<span class="cmt"># File lib/amrita/node.rb, line 525</span>
<span class="kw">def</span> set_text(text)
@body = TextElement.new(text)
<span class="kw">end</span>
</pre>
</body>
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