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color="#000000" face="arial,helvetica,sanserif"> <P> <!-- Generated by Doxygen 1.4.1 --> <div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a> | <a class="qindex" href="pages.html">Related Pages</a></div> <div class="nav"> <a class="el" href="dir_000000.html">src</a> / <a class="el" href="dir_000001.html">xercesc</a> / <a class="el" href="dir_000006.html">framework</a></div> <h1>MemBufFormatTarget.hpp</h1><a href="MemBufFormatTarget_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*</span> 00002 <span class="comment"> * Copyright 1999-2002,2004 The Apache Software Foundation.</span> 00003 <span class="comment"> * </span> 00004 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span> 00005 <span class="comment"> * you may not use this file except in compliance with the License.</span> 00006 <span class="comment"> * You may obtain a copy of the License at</span> 00007 <span class="comment"> * </span> 00008 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span> 00009 <span class="comment"> * </span> 00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span> 00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span> 00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> 00013 <span class="comment"> * See the License for the specific language governing permissions and</span> 00014 <span class="comment"> * limitations under the License.</span> 00015 <span class="comment"> */</span> 00016 00017 <span class="comment">/*</span> 00018 <span class="comment"> * $Id: MemBufFormatTarget.hpp 191054 2005-06-17 02:56:35Z jberry $</span> 00019 <span class="comment"> */</span> 00020 00021 <span class="preprocessor">#ifndef MemBufFormatTarget_HEADER_GUARD_</span> 00022 <span class="preprocessor"></span><span class="preprocessor">#define MemBufFormatTarget_HEADER_GUARD_</span> 00023 <span class="preprocessor"></span> 00024 <span class="preprocessor">#include <<a class="code" href="XMLFormatter_8hpp.html">xercesc/framework/XMLFormatter.hpp</a>></span> 00025 00026 <a class="code" href="XercesDefs_8hpp.html#a3">XERCES_CPP_NAMESPACE_BEGIN</a> 00027 00028 <span class="comment">/*</span> 00029 <span class="comment"> * The MemBufFormatTarget is a derivative from XMLFormatTarget, which user code</span> 00030 <span class="comment"> * may plug into DOMWriter to retrieve the serialized XML stream (from DOM Tree)</span> 00031 <span class="comment"> * in a memory buffer.</span> 00032 <span class="comment"> *</span> 00033 <span class="comment"> * The MemBufFormatTarget is initalized to have a memory buffer of 1023 upon</span> 00034 <span class="comment"> * construction, which grows as needed. The buffer will be deleted when</span> 00035 <span class="comment"> * MemBufFormatTarget is destructed; or will be reset when the reset() function</span> 00036 <span class="comment"> * is called.</span> 00037 <span class="comment"> *</span> 00038 <span class="comment"> * The MemBufFormatTarget returns a NULL terminated XMLByte stream upon request,</span> 00039 <span class="comment"> * through the method getRawBuffer(), and user should make its own copy of the</span> 00040 <span class="comment"> * returned buffer if it intends to keep it independent on the state of the</span> 00041 <span class="comment"> * MemBufFormatTarget.</span> 00042 <span class="comment"> */</span> 00043 <a name="l00044"></a><a class="code" href="classMemBufFormatTarget.html">00044</a> <span class="keyword">class </span><a class="code" href="XercesDefs_8hpp.html#a10"></a> MemBufFormatTarget : <span class="keyword">public</span> <a class="code" href="classXMLFormatTarget.html">XMLFormatTarget</a> { 00045 <span class="keyword">public</span>: 00046 00049 MemBufFormatTarget 00050 ( 00051 <span class="keywordtype">int</span> initCapacity = 1023 00052 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager 00053 ) ; 00054 ~MemBufFormatTarget(); 00056 00057 <span class="comment">// -----------------------------------------------------------------------</span> 00058 <span class="comment">// Implementations of the format target interface</span> 00059 <span class="comment">// -----------------------------------------------------------------------</span> 00060 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classXMLFormatTarget.html#a1">writeChars</a>(<span class="keyword">const</span> <a class="code" href="XercesDefs_8hpp.html#a17">XMLByte</a>* <span class="keyword">const</span> toWrite 00061 , <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count 00062 , <a class="code" href="classXMLFormatter.html">XMLFormatter</a>* <span class="keyword">const</span> formatter); 00063 00064 <span class="comment">// -----------------------------------------------------------------------</span> 00065 <span class="comment">// Getter</span> 00066 <span class="comment">// -----------------------------------------------------------------------</span> 00074 <span class="comment"></span> <span class="keyword">const</span> <a class="code" href="XercesDefs_8hpp.html#a17">XMLByte</a>* getRawBuffer() <span class="keyword">const</span>; 00075 <a name="l00083"></a><a class="code" href="classMemBufFormatTarget.html#a2">00083</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getLen()<span class="keyword"> const</span> 00084 <span class="keyword"> </span>{ 00085 <span class="keywordflow">return</span> fIndex; 00086 } 00087 00094 <span class="keywordtype">void</span> reset(); 00096 00097 <span class="keyword">private</span>: 00098 <span class="comment">// -----------------------------------------------------------------------</span> 00099 <span class="comment">// Unimplemented methods.</span> 00100 <span class="comment">// -----------------------------------------------------------------------</span> 00101 MemBufFormatTarget(<span class="keyword">const</span> MemBufFormatTarget&); 00102 MemBufFormatTarget& operator=(<span class="keyword">const</span> MemBufFormatTarget&); 00103 00104 <span class="comment">// -----------------------------------------------------------------------</span> 00105 <span class="comment">// Private helpers</span> 00106 <span class="comment">// -----------------------------------------------------------------------</span> 00107 <span class="keywordtype">void</span> insureCapacity(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> extraNeeded); 00108 00109 <span class="comment">// -----------------------------------------------------------------------</span> 00110 <span class="comment">// Private data members</span> 00111 <span class="comment">//</span> 00112 <span class="comment">// fDataBuf</span> 00113 <span class="comment">// The pointer to the buffer data. Its grown as needed. Its always</span> 00114 <span class="comment">// one larger than fCapacity, to leave room for the null terminator.</span> 00115 <span class="comment">//</span> 00116 <span class="comment">// fIndex</span> 00117 <span class="comment">// The current index into the buffer, as characters are appended</span> 00118 <span class="comment">// to it. If its zero, then the buffer is empty.</span> 00119 <span class="comment">//</span> 00120 <span class="comment">// fCapacity</span> 00121 <span class="comment">// The current capacity of the buffer. Its actually always one</span> 00122 <span class="comment">// larger, to leave room for the null terminator.</span> 00123 <span class="comment">//</span> 00124 <span class="comment">// -----------------------------------------------------------------------</span> 00125 <a class="code" href="classMemoryManager.html">MemoryManager</a>* fMemoryManager; 00126 <a class="code" href="XercesDefs_8hpp.html#a17">XMLByte</a>* fDataBuf; 00127 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fIndex; 00128 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fCapacity; 00129 00130 }; 00131 00132 <a class="code" href="XercesDefs_8hpp.html#a4">XERCES_CPP_NAMESPACE_END</a> 00133 00134 <span class="preprocessor">#endif</span> 00135 <span class="preprocessor"></span> </pre></div> </FONT></TD></TR></TABLE><BR> </TD></TR></TABLE></TD></TR></TABLE><BR><TABLE border="0" cellpadding="0" cellspacing="0" width="620"><TR><TD bgcolor="#0086b2"><IMG height="1" src="images/dot.gif" width="1" alt=""></TD></TR><TR><TD align="center"><FONT color="#0086b2" size="-1"><I> Copyright © 1994-2004 The Apache Software Foundation. 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