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<h2 align="center">Xalan-C++ API Documentation</h2>
<h3 align="center">The Xalan C++ XSLT Processor Version 1.10</h3>
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<hr><h1>XNull.hpp</h1><a href="XNull_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">/*</font>
00002 <font class="comment"> * Copyright 1999-2004 The Apache Software Foundation.</font>
00003 <font class="comment"> *</font>
00004 <font class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</font>
00005 <font class="comment"> * you may not use this file except in compliance with the License.</font>
00006 <font class="comment"> * You may obtain a copy of the License at</font>
00007 <font class="comment"> *</font>
00008 <font class="comment"> *     http://www.apache.org/licenses/LICENSE-2.0</font>
00009 <font class="comment"> *</font>
00010 <font class="comment"> * Unless required by applicable law or agreed to in writing, software</font>
00011 <font class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</font>
00012 <font class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</font>
00013 <font class="comment"> * See the License for the specific language governing permissions and</font>
00014 <font class="comment"> * limitations under the License.</font>
00015 <font class="comment"> */</font>
00016 <font class="preprocessor">#if !defined(XNULL_HEADER_GUARD_1357924680)</font>
<a name="l00017"></a><a class="code" href="XNull_8hpp.html#a0">00017</a> <font class="preprocessor"></font><font class="preprocessor">#define XNULL_HEADER_GUARD_1357924680</font>
00018 <font class="preprocessor"></font>
00019 
00020 
00021 <font class="comment">// Base header file.  Must be first.</font>
00022 <font class="preprocessor">#include &lt;<a class="code" href="XPathDefinitions_8hpp.html">xalanc/XPath/XPathDefinitions.hpp</a>&gt;</font>
00023 
00024 
00025 
00026 <font class="comment">// Base class header file.</font>
00027 <font class="preprocessor">#include &lt;<a class="code" href="XObject_8hpp.html">xalanc/XPath/XObject.hpp</a>&gt;</font>
00028 
00029 
00030 
00031 XALAN_CPP_NAMESPACE_BEGIN
00032 
00033 
00034 
<a name="l00035"></a><a class="code" href="classXNull.html">00035</a> <font class="keyword">class </font>XALAN_XPATH_EXPORT <a class="code" href="classXNull.html">XNull</a> : <font class="keyword">public</font> <a class="code" href="classXObject.html">XObject</a>
00036 {
00037 <font class="keyword">public</font>:
00038 
<a name="l00039"></a><a class="code" href="classXNull.html#s0">00039</a>     <font class="keyword">typedef</font> <a class="code" href="classXObject.html">XObject</a>     ParentType;
00040 
00044     <font class="keyword">static</font> <font class="keywordtype">void</font>
00045     <a class="code" href="classXObject.html#d0">initialize</a>();
00046 
00050     <font class="keyword">static</font> <font class="keywordtype">void</font>
00051     <a class="code" href="classXObject.html#d1">terminate</a>();
00052 
00057     <font class="keyword">explicit</font>
00058     <a class="code" href="classXNull.html#a0">XNull</a>();
00059 
00066     <a class="code" href="classXNull.html#a0">XNull</a>(<font class="keyword">const</font> <a class="code" href="classXNull.html">XNull</a>&amp;  source);
00067 
00068     <font class="keyword">virtual</font>
00069     <a class="code" href="classXNull.html#a2">~XNull</a>();
00070 
00071     <font class="comment">// These methods are inherited from XObject ...</font>
00072 
00073     <font class="keyword">virtual</font> <font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;
00074     <a class="code" href="classXObject.html#a2">getTypeString</a>() <font class="keyword">const</font>;
00075 
00076     <font class="keyword">virtual</font> <font class="keywordtype">double</font>
00077     <a class="code" href="classXObject.html#a3">num</a>() <font class="keyword">const</font>;
00078 
00079     <font class="keyword">virtual</font> <font class="keywordtype">bool</font>
00080     <a class="code" href="classXObject.html#a4">boolean</a>() <font class="keyword">const</font>;
00081 
00082     <font class="keyword">virtual</font> <font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;
00083     <a class="code" href="classXObject.html#a5">str</a>() <font class="keyword">const</font>;
00084 
00085     <font class="keyword">virtual</font> <font class="keywordtype">void</font>
00086     <a class="code" href="classXObject.html#a5">str</a>(
00087             <a class="code" href="classFormatterListener.html">FormatterListener</a>&amp;  formatterListener,
00088             MemberFunctionPtr   function) <font class="keyword">const</font>;
00089 
00090 <font class="preprocessor">#if !defined(XALAN_NO_USING_DECLARATION)</font>
00091 <font class="preprocessor"></font>    <font class="keyword">using</font> ParentType::str;
00092 <font class="preprocessor">#endif</font>
00093 <font class="preprocessor"></font>
00094     <font class="keyword">virtual</font> <font class="keywordtype">double</font>
00095     <a class="code" href="classXObject.html#a7">stringLength</a>() <font class="keyword">const</font>;
00096 
00097     <font class="keyword">virtual</font> <font class="keywordtype">void</font>
00098     <a class="code" href="classXObject.html#a11">ProcessXObjectTypeCallback</a>(<a class="code" href="classXObjectTypeCallback.html">XObjectTypeCallback</a>&amp;     theCallbackObject);
00099 
00100     <font class="keyword">virtual</font> <font class="keywordtype">void</font>
00101     <a class="code" href="classXObject.html#a11">ProcessXObjectTypeCallback</a>(<a class="code" href="classXObjectTypeCallback.html">XObjectTypeCallback</a>&amp;     theCallbackObject) <font class="keyword">const</font>;
00102 
00103 <font class="keyword">private</font>:
00104 
00105     <font class="keyword">static</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>   s_nullString;
00106 
00107     <font class="comment">// not implemented</font>
00108     <a class="code" href="classXNull.html">XNull</a>&amp; operator=(<font class="keyword">const</font> <a class="code" href="classXNull.html">XNull</a> &amp;);
00109 };
00110 
00111 
00112 
00113 XALAN_CPP_NAMESPACE_END
00114 
00115 
00116 
00117 <font class="preprocessor">#endif  // XNULL_HEADER_GUARD_1357924680</font>
</font></pre></div><p align="center"><a href="diagramnotes.html">Interpreting class diagrams</a></p>
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