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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>TinyXml: tinystr.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.7 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><h1>tinystr.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment">www.sourceforge.net/projects/tinyxml</span><a name="l00003"></a>00003 <span class="comment">Original file by Yves Berquin.</span><a name="l00004"></a>00004 <span class="comment"></span><a name="l00005"></a>00005 <span class="comment">This software is provided 'as-is', without any express or implied</span><a name="l00006"></a>00006 <span class="comment">warranty. In no event will the authors be held liable for any</span><a name="l00007"></a>00007 <span class="comment">damages arising from the use of this software.</span><a name="l00008"></a>00008 <span class="comment"></span><a name="l00009"></a>00009 <span class="comment">Permission is granted to anyone to use this software for any</span><a name="l00010"></a>00010 <span class="comment">purpose, including commercial applications, and to alter it and</span><a name="l00011"></a>00011 <span class="comment">redistribute it freely, subject to the following restrictions:</span><a name="l00012"></a>00012 <span class="comment"></span><a name="l00013"></a>00013 <span class="comment">1. The origin of this software must not be misrepresented; you must</span><a name="l00014"></a>00014 <span class="comment">not claim that you wrote the original software. If you use this</span><a name="l00015"></a>00015 <span class="comment">software in a product, an acknowledgment in the product documentation</span><a name="l00016"></a>00016 <span class="comment">would be appreciated but is not required.</span><a name="l00017"></a>00017 <span class="comment"></span><a name="l00018"></a>00018 <span class="comment">2. Altered source versions must be plainly marked as such, and</span><a name="l00019"></a>00019 <span class="comment">must not be misrepresented as being the original software.</span><a name="l00020"></a>00020 <span class="comment"></span><a name="l00021"></a>00021 <span class="comment">3. This notice may not be removed or altered from any source</span><a name="l00022"></a>00022 <span class="comment">distribution.</span><a name="l00023"></a>00023 <span class="comment">*/</span><a name="l00024"></a>00024 <a name="l00025"></a>00025 <span class="comment">/*</span><a name="l00026"></a>00026 <span class="comment"> * THIS FILE WAS ALTERED BY Tyge Lovset, 7. April 2005.</span><a name="l00027"></a>00027 <span class="comment"> *</span><a name="l00028"></a>00028 <span class="comment"> * - completely rewritten. compact, clean, and fast implementation.</span><a name="l00029"></a>00029 <span class="comment"> * - sizeof(TiXmlString) = pointer size (4 bytes on 32-bit systems)</span><a name="l00030"></a>00030 <span class="comment"> * - fixed reserve() to work as per specification.</span><a name="l00031"></a>00031 <span class="comment"> * - fixed buggy compares operator==(), operator<(), and operator>()</span><a name="l00032"></a>00032 <span class="comment"> * - fixed operator+=() to take a const ref argument, following spec.</span><a name="l00033"></a>00033 <span class="comment"> * - added "copy" constructor with length, and most compare operators.</span><a name="l00034"></a>00034 <span class="comment"> * - added swap(), clear(), size(), capacity(), operator+().</span><a name="l00035"></a>00035 <span class="comment"> */</span><a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="preprocessor">#ifndef TIXML_USE_STL</span><a name="l00038"></a>00038 <span class="preprocessor"></span><a name="l00039"></a>00039 <span class="preprocessor">#ifndef TIXML_STRING_INCLUDED</span><a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define TIXML_STRING_INCLUDED</span><a name="l00041"></a>00041 <span class="preprocessor"></span><a name="l00042"></a>00042 <span class="preprocessor">#include <assert.h></span><a name="l00043"></a>00043 <span class="preprocessor">#include <string.h></span><a name="l00044"></a>00044 <a name="l00045"></a>00045 <span class="comment">/* The support for explicit isn't that universal, and it isn't really</span><a name="l00046"></a>00046 <span class="comment"> required - it is used to check that the TiXmlString class isn't incorrectly</span><a name="l00047"></a>00047 <span class="comment"> used. Be nice to old compilers and macro it here:</span><a name="l00048"></a>00048 <span class="comment">*/</span><a name="l00049"></a>00049 <span class="preprocessor">#if defined(_MSC_VER) && (_MSC_VER >= 1200 )</span><a name="l00050"></a>00050 <span class="preprocessor"></span> <span class="comment">// Microsoft visual studio, version 6 and higher.</span><a name="l00051"></a>00051 <span class="preprocessor"> #define TIXML_EXPLICIT explicit</span><a name="l00052"></a>00052 <span class="preprocessor"></span><span class="preprocessor">#elif defined(__GNUC__) && (__GNUC__ >= 3 )</span><a name="l00053"></a>00053 <span class="preprocessor"></span> <span class="comment">// GCC version 3 and higher.s</span><a name="l00054"></a>00054 <span class="preprocessor"> #define TIXML_EXPLICIT explicit</span><a name="l00055"></a>00055 <span class="preprocessor"></span><span class="preprocessor">#else</span><a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor"> #define TIXML_EXPLICIT</span><a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#endif</span><a name="l00058"></a>00058 <span class="preprocessor"></span><a name="l00059"></a>00059 <a name="l00060"></a>00060 <span class="comment">/*</span><a name="l00061"></a>00061 <span class="comment"> TiXmlString is an emulation of a subset of the std::string template.</span><a name="l00062"></a>00062 <span class="comment"> Its purpose is to allow compiling TinyXML on compilers with no or poor STL support.</span><a name="l00063"></a>00063 <span class="comment"> Only the member functions relevant to the TinyXML project have been implemented.</span><a name="l00064"></a>00064 <span class="comment"> The buffer allocation is made by a simplistic power of 2 like mechanism : if we increase</span><a name="l00065"></a>00065 <span class="comment"> a string and there's no more room, we allocate a buffer twice as big as we need.</span><a name="l00066"></a>00066 <span class="comment">*/</span><a name="l00067"></a>00067 <span class="keyword">class </span>TiXmlString<a name="l00068"></a>00068 {<a name="l00069"></a>00069 <span class="keyword">public</span> :<a name="l00070"></a>00070 <span class="comment">// The size type used</span><a name="l00071"></a>00071 <span class="keyword">typedef</span> size_t size_type;<a name="l00072"></a>00072 <a name="l00073"></a>00073 <span class="comment">// Error value for find primitive</span><a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keyword">const</span> size_type npos; <span class="comment">// = -1;</span><a name="l00075"></a>00075 <a name="l00076"></a>00076 <a name="l00077"></a>00077 <span class="comment">// TiXmlString empty constructor</span><a name="l00078"></a>00078 TiXmlString () : rep_(&nullrep_)<a name="l00079"></a>00079 {<a name="l00080"></a>00080 }<a name="l00081"></a>00081 <a name="l00082"></a>00082 <span class="comment">// TiXmlString copy constructor</span><a name="l00083"></a>00083 TiXmlString ( <span class="keyword">const</span> TiXmlString & copy) : rep_(0)<a name="l00084"></a>00084 {<a name="l00085"></a>00085 init(copy.length());<a name="l00086"></a>00086 memcpy(start(), copy.data(), length());<a name="l00087"></a>00087 }<a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="comment">// TiXmlString constructor, based on a string</span><a name="l00090"></a>00090 TIXML_EXPLICIT TiXmlString ( <span class="keyword">const</span> <span class="keywordtype">char</span> * copy) : rep_(0)<a name="l00091"></a>00091 {<a name="l00092"></a>00092 init( static_cast<size_type>( strlen(copy) ));<a name="l00093"></a>00093 memcpy(start(), copy, length());<a name="l00094"></a>00094 }<a name="l00095"></a>00095 <a name="l00096"></a>00096 <span class="comment">// TiXmlString constructor, based on a string</span><a name="l00097"></a>00097 TIXML_EXPLICIT TiXmlString ( <span class="keyword">const</span> <span class="keywordtype">char</span> * str, size_type len) : rep_(0)<a name="l00098"></a>00098 {<a name="l00099"></a>00099 init(len);<a name="l00100"></a>00100 memcpy(start(), str, len);<a name="l00101"></a>00101 }<a name="l00102"></a>00102 <a name="l00103"></a>00103 <span class="comment">// TiXmlString destructor</span><a name="l00104"></a>00104 ~TiXmlString ()<a name="l00105"></a>00105 {<a name="l00106"></a>00106 quit();<a name="l00107"></a>00107 }<a name="l00108"></a>00108 <a name="l00109"></a>00109 <span class="comment">// = operator</span><a name="l00110"></a>00110 TiXmlString& operator = (<span class="keyword">const</span> <span class="keywordtype">char</span> * copy)<a name="l00111"></a>00111 {<a name="l00112"></a>00112 <span class="keywordflow">return</span> assign( copy, (size_type)strlen(copy));<a name="l00113"></a>00113 }<a name="l00114"></a>00114 <a name="l00115"></a>00115 <span class="comment">// = operator</span><a name="l00116"></a>00116 TiXmlString& operator = (<span class="keyword">const</span> TiXmlString & copy)<a name="l00117"></a>00117 {<a name="l00118"></a>00118 <span class="keywordflow">return</span> assign(copy.start(), copy.length());<a name="l00119"></a>00119 }<a name="l00120"></a>00120 <a name="l00121"></a>00121 <a name="l00122"></a>00122 <span class="comment">// += operator. Maps to append</span><a name="l00123"></a>00123 TiXmlString& operator += (<span class="keyword">const</span> <span class="keywordtype">char</span> * suffix)<a name="l00124"></a>00124 {<a name="l00125"></a>00125 <span class="keywordflow">return</span> append(suffix, static_cast<size_type>( strlen(suffix) ));<a name="l00126"></a>00126 }<a name="l00127"></a>00127 <a name="l00128"></a>00128 <span class="comment">// += operator. Maps to append</span><a name="l00129"></a>00129 TiXmlString& operator += (<span class="keywordtype">char</span> single)<a name="l00130"></a>00130 {<a name="l00131"></a>00131 <span class="keywordflow">return</span> append(&single, 1);<a name="l00132"></a>00132 }<a name="l00133"></a>00133 <a name="l00134"></a>00134 <span class="comment">// += operator. Maps to append</span><a name="l00135"></a>00135 TiXmlString& operator += (<span class="keyword">const</span> TiXmlString & suffix)<a name="l00136"></a>00136 {<a name="l00137"></a>00137 <span class="keywordflow">return</span> append(suffix.data(), suffix.length());<a name="l00138"></a>00138 }<a name="l00139"></a>00139 <a name="l00140"></a>00140 <a name="l00141"></a>00141 <span class="comment">// Convert a TiXmlString into a null-terminated char *</span><a name="l00142"></a>00142 <span class="keyword">const</span> <span class="keywordtype">char</span> * c_str ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> rep_->str; }<a name="l00143"></a>00143 <a name="l00144"></a>00144 <span class="comment">// Convert a TiXmlString into a char * (need not be null terminated).</span><a name="l00145"></a>00145 <span class="keyword">const</span> <span class="keywordtype">char</span> * data ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> rep_->str; }<a name="l00146"></a>00146 <a name="l00147"></a>00147 <span class="comment">// Return the length of a TiXmlString</span><a name="l00148"></a>00148 size_type length ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> rep_->size; }<a name="l00149"></a>00149 <a name="l00150"></a>00150 <span class="comment">// Alias for length()</span><a name="l00151"></a>00151 size_type size ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> rep_->size; }<a name="l00152"></a>00152 <a name="l00153"></a>00153 <span class="comment">// Checks if a TiXmlString is empty</span><a name="l00154"></a>00154 <span class="keywordtype">bool</span> empty ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> rep_->size == 0; }<a name="l00155"></a>00155 <a name="l00156"></a>00156 <span class="comment">// Return capacity of string</span>⌨️ 快捷键说明
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