tinyxml_8h-source.html

相信学习过ＸＭＬ的都不会陌生

<a name="l00272"></a>00272         TIXML_ERROR_FAILED_TO_READ_ELEMENT_NAME,
<a name="l00273"></a>00273         TIXML_ERROR_READING_ELEMENT_VALUE,
<a name="l00274"></a>00274         TIXML_ERROR_READING_ATTRIBUTES,
<a name="l00275"></a>00275         TIXML_ERROR_PARSING_EMPTY,
<a name="l00276"></a>00276         TIXML_ERROR_READING_END_TAG,
<a name="l00277"></a>00277         TIXML_ERROR_PARSING_UNKNOWN,
<a name="l00278"></a>00278         TIXML_ERROR_PARSING_COMMENT,
<a name="l00279"></a>00279         TIXML_ERROR_PARSING_DECLARATION,
<a name="l00280"></a>00280         TIXML_ERROR_DOCUMENT_EMPTY,
<a name="l00281"></a>00281         TIXML_ERROR_EMBEDDED_NULL,
<a name="l00282"></a>00282         TIXML_ERROR_PARSING_CDATA,
<a name="l00283"></a>00283         TIXML_ERROR_DOCUMENT_TOP_ONLY,
<a name="l00284"></a>00284 
<a name="l00285"></a>00285         TIXML_ERROR_STRING_COUNT
<a name="l00286"></a>00286     };
<a name="l00287"></a>00287 
<a name="l00288"></a>00288 <span class="keyword">protected</span>:
<a name="l00289"></a>00289 
<a name="l00290"></a>00290     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* SkipWhiteSpace( <span class="keyword">const</span> <span class="keywordtype">char</span>*, TiXmlEncoding encoding );
<a name="l00291"></a>00291     <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> IsWhiteSpace( <span class="keywordtype">char</span> c )       
<a name="l00292"></a>00292     { 
<a name="l00293"></a>00293         <span class="keywordflow">return</span> ( isspace( (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) c ) || c == <span class="charliteral">'\n'</span> || c == <span class="charliteral">'\r'</span> ); 
<a name="l00294"></a>00294     }
<a name="l00295"></a>00295     <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> IsWhiteSpace( <span class="keywordtype">int</span> c )
<a name="l00296"></a>00296     {
<a name="l00297"></a>00297         <span class="keywordflow">if</span> ( c &lt; 256 )
<a name="l00298"></a>00298             <span class="keywordflow">return</span> IsWhiteSpace( (<span class="keywordtype">char</span>) c );
<a name="l00299"></a>00299         <span class="keywordflow">return</span> <span class="keyword">false</span>;   <span class="comment">// Again, only truly correct for English/Latin...but usually works.</span>
<a name="l00300"></a>00300     }
<a name="l00301"></a>00301 
<a name="l00302"></a>00302 <span class="preprocessor">    #ifdef TIXML_USE_STL</span>
<a name="l00303"></a>00303 <span class="preprocessor"></span>    <span class="keyword">static</span> <span class="keywordtype">bool</span> StreamWhiteSpace( std::istream * in, TIXML_STRING * tag );
<a name="l00304"></a>00304     <span class="keyword">static</span> <span class="keywordtype">bool</span> StreamTo( std::istream * in, <span class="keywordtype">int</span> character, TIXML_STRING * tag );
<a name="l00305"></a>00305 <span class="preprocessor">    #endif</span>
<a name="l00306"></a>00306 <span class="preprocessor"></span>
<a name="l00307"></a>00307     <span class="comment">/*  Reads an XML name into the string provided. Returns</span>
<a name="l00308"></a>00308 <span class="comment">        a pointer just past the last character of the name,</span>
<a name="l00309"></a>00309 <span class="comment">        or 0 if the function has an error.</span>
<a name="l00310"></a>00310 <span class="comment">    */</span>
<a name="l00311"></a>00311     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* ReadName( <span class="keyword">const</span> <span class="keywordtype">char</span>* p, TIXML_STRING* name, TiXmlEncoding encoding );
<a name="l00312"></a>00312 
<a name="l00313"></a>00313     <span class="comment">/*  Reads text. Returns a pointer past the given end tag.</span>
<a name="l00314"></a>00314 <span class="comment">        Wickedly complex options, but it keeps the (sensitive) code in one place.</span>
<a name="l00315"></a>00315 <span class="comment">    */</span>
<a name="l00316"></a>00316     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* ReadText(    <span class="keyword">const</span> <span class="keywordtype">char</span>* in,             <span class="comment">// where to start</span>
<a name="l00317"></a>00317                                     TIXML_STRING* text,         <span class="comment">// the string read</span>
<a name="l00318"></a>00318                                     <span class="keywordtype">bool</span> ignoreWhiteSpace,      <span class="comment">// whether to keep the white space</span>
<a name="l00319"></a>00319                                     <span class="keyword">const</span> <span class="keywordtype">char</span>* endTag,         <span class="comment">// what ends this text</span>
<a name="l00320"></a>00320                                     <span class="keywordtype">bool</span> ignoreCase,            <span class="comment">// whether to ignore case in the end tag</span>
<a name="l00321"></a>00321                                     TiXmlEncoding encoding );   <span class="comment">// the current encoding</span>
<a name="l00322"></a>00322 
<a name="l00323"></a>00323     <span class="comment">// If an entity has been found, transform it into a character.</span>
<a name="l00324"></a>00324     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* GetEntity( <span class="keyword">const</span> <span class="keywordtype">char</span>* in, <span class="keywordtype">char</span>* value, <span class="keywordtype">int</span>* length, TiXmlEncoding encoding );
<a name="l00325"></a>00325 
<a name="l00326"></a>00326     <span class="comment">// Get a character, while interpreting entities.</span>
<a name="l00327"></a>00327     <span class="comment">// The length can be from 0 to 4 bytes.</span>
<a name="l00328"></a>00328     <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* GetChar( <span class="keyword">const</span> <span class="keywordtype">char</span>* p, <span class="keywordtype">char</span>* _value, <span class="keywordtype">int</span>* length, TiXmlEncoding encoding )
<a name="l00329"></a>00329     {
<a name="l00330"></a>00330         assert( p );
<a name="l00331"></a>00331         <span class="keywordflow">if</span> ( encoding == TIXML_ENCODING_UTF8 )
<a name="l00332"></a>00332         {
<a name="l00333"></a>00333             *length = utf8ByteTable[ *((<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)p) ];
<a name="l00334"></a>00334             assert( *length &gt;= 0 &amp;&amp; *length &lt; 5 );
<a name="l00335"></a>00335         }
<a name="l00336"></a>00336         <span class="keywordflow">else</span>
<a name="l00337"></a>00337         {
<a name="l00338"></a>00338             *length = 1;
<a name="l00339"></a>00339         }
<a name="l00340"></a>00340 
<a name="l00341"></a>00341         <span class="keywordflow">if</span> ( *length == 1 )
<a name="l00342"></a>00342         {
<a name="l00343"></a>00343             <span class="keywordflow">if</span> ( *p == <span class="charliteral">'&amp;'</span> )
<a name="l00344"></a>00344                 <span class="keywordflow">return</span> GetEntity( p, _value, length, encoding );
<a name="l00345"></a>00345             *_value = *p;
<a name="l00346"></a>00346             <span class="keywordflow">return</span> p+1;
<a name="l00347"></a>00347         }
<a name="l00348"></a>00348         <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( *length )
<a name="l00349"></a>00349         {
<a name="l00350"></a>00350             <span class="comment">//strncpy( _value, p, *length );    // lots of compilers don't like this function (unsafe),</span>
<a name="l00351"></a>00351                                                 <span class="comment">// and the null terminator isn't needed</span>
<a name="l00352"></a>00352             <span class="keywordflow">for</span>( <span class="keywordtype">int</span> i=0; p[i] &amp;&amp; i&lt;*length; ++i ) {
<a name="l00353"></a>00353                 _value[i] = p[i];
<a name="l00354"></a>00354             }
<a name="l00355"></a>00355             <span class="keywordflow">return</span> p + (*length);
<a name="l00356"></a>00356         }
<a name="l00357"></a>00357         <span class="keywordflow">else</span>
<a name="l00358"></a>00358         {
<a name="l00359"></a>00359             <span class="comment">// Not valid text.</span>
<a name="l00360"></a>00360             <span class="keywordflow">return</span> 0;
<a name="l00361"></a>00361         }
<a name="l00362"></a>00362     }
<a name="l00363"></a>00363 
<a name="l00364"></a>00364     <span class="comment">// Return true if the next characters in the stream are any of the endTag sequences.</span>
<a name="l00365"></a>00365     <span class="comment">// Ignore case only works for english, and should only be relied on when comparing</span>
<a name="l00366"></a>00366     <span class="comment">// to English words: StringEqual( p, "version", true ) is fine.</span>
<a name="l00367"></a>00367     <span class="keyword">static</span> <span class="keywordtype">bool</span> StringEqual(    <span class="keyword">const</span> <span class="keywordtype">char</span>* p,
<a name="l00368"></a>00368                                 <span class="keyword">const</span> <span class="keywordtype">char</span>* endTag,
<a name="l00369"></a>00369                                 <span class="keywordtype">bool</span> ignoreCase,
<a name="l00370"></a>00370                                 TiXmlEncoding encoding );
<a name="l00371"></a>00371