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<a name="l00157"></a>00157 size_type capacity ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> rep_->capacity; }<a name="l00158"></a>00158 <a name="l00159"></a>00159 <a name="l00160"></a>00160 <span class="comment">// single char extraction</span><a name="l00161"></a>00161 <span class="keyword">const</span> <span class="keywordtype">char</span>& at (size_type index)<span class="keyword"> const</span><a name="l00162"></a>00162 <span class="keyword"> </span>{<a name="l00163"></a>00163 assert( index < length() );<a name="l00164"></a>00164 <span class="keywordflow">return</span> rep_->str[ index ];<a name="l00165"></a>00165 }<a name="l00166"></a>00166 <a name="l00167"></a>00167 <span class="comment">// [] operator</span><a name="l00168"></a>00168 <span class="keywordtype">char</span>& operator [] (size_type index)<span class="keyword"> const</span><a name="l00169"></a>00169 <span class="keyword"> </span>{<a name="l00170"></a>00170 assert( index < length() );<a name="l00171"></a>00171 <span class="keywordflow">return</span> rep_->str[ index ];<a name="l00172"></a>00172 }<a name="l00173"></a>00173 <a name="l00174"></a>00174 <span class="comment">// find a char in a string. Return TiXmlString::npos if not found</span><a name="l00175"></a>00175 size_type find (<span class="keywordtype">char</span> lookup)<span class="keyword"> const</span><a name="l00176"></a>00176 <span class="keyword"> </span>{<a name="l00177"></a>00177 <span class="keywordflow">return</span> find(lookup, 0);<a name="l00178"></a>00178 }<a name="l00179"></a>00179 <a name="l00180"></a>00180 <span class="comment">// find a char in a string from an offset. Return TiXmlString::npos if not found</span><a name="l00181"></a>00181 size_type find (<span class="keywordtype">char</span> tofind, size_type offset)<span class="keyword"> const</span><a name="l00182"></a>00182 <span class="keyword"> </span>{<a name="l00183"></a>00183 <span class="keywordflow">if</span> (offset >= length()) <span class="keywordflow">return</span> npos;<a name="l00184"></a>00184 <a name="l00185"></a>00185 <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">char</span>* p = c_str() + offset; *p != <span class="charliteral">'\0'</span>; ++p)<a name="l00186"></a>00186 {<a name="l00187"></a>00187 <span class="keywordflow">if</span> (*p == tofind) <span class="keywordflow">return</span> static_cast< size_type >( p - c_str() );<a name="l00188"></a>00188 }<a name="l00189"></a>00189 <span class="keywordflow">return</span> npos;<a name="l00190"></a>00190 }<a name="l00191"></a>00191 <a name="l00192"></a>00192 <span class="keywordtype">void</span> clear ()<a name="l00193"></a>00193 {<a name="l00194"></a>00194 <span class="comment">//Lee:</span><a name="l00195"></a>00195 <span class="comment">//The original was just too strange, though correct:</span><a name="l00196"></a>00196 <span class="comment">// TiXmlString().swap(*this);</span><a name="l00197"></a>00197 <span class="comment">//Instead use the quit & re-init:</span><a name="l00198"></a>00198 quit();<a name="l00199"></a>00199 init(0,0);<a name="l00200"></a>00200 }<a name="l00201"></a>00201 <a name="l00202"></a>00202 <span class="comment">/* Function to reserve a big amount of data when we know we'll need it. Be aware that this</span><a name="l00203"></a>00203 <span class="comment"> function DOES NOT clear the content of the TiXmlString if any exists.</span><a name="l00204"></a>00204 <span class="comment"> */</span><a name="l00205"></a>00205 <span class="keywordtype">void</span> reserve (size_type cap);<a name="l00206"></a>00206 <a name="l00207"></a>00207 TiXmlString& assign (<span class="keyword">const</span> <span class="keywordtype">char</span>* str, size_type len);<a name="l00208"></a>00208 <a name="l00209"></a>00209 TiXmlString& append (<span class="keyword">const</span> <span class="keywordtype">char</span>* str, size_type len);<a name="l00210"></a>00210 <a name="l00211"></a>00211 <span class="keywordtype">void</span> swap (TiXmlString& other)<a name="l00212"></a>00212 {<a name="l00213"></a>00213 Rep* r = rep_;<a name="l00214"></a>00214 rep_ = other.rep_;<a name="l00215"></a>00215 other.rep_ = r;<a name="l00216"></a>00216 }<a name="l00217"></a>00217 <a name="l00218"></a>00218 <span class="keyword">private</span>:<a name="l00219"></a>00219 <a name="l00220"></a>00220 <span class="keywordtype">void</span> init(size_type sz) { init(sz, sz); }<a name="l00221"></a>00221 <span class="keywordtype">void</span> set_size(size_type sz) { rep_->str[ rep_->size = sz ] = <span class="charliteral">'\0'</span>; }<a name="l00222"></a>00222 <span class="keywordtype">char</span>* start()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> rep_->str; }<a name="l00223"></a>00223 <span class="keywordtype">char</span>* finish()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> rep_->str + rep_->size; }<a name="l00224"></a>00224 <a name="l00225"></a>00225 <span class="keyword">struct </span>Rep<a name="l00226"></a>00226 {<a name="l00227"></a>00227 size_type size, capacity;<a name="l00228"></a>00228 <span class="keywordtype">char</span> str[1];<a name="l00229"></a>00229 };<a name="l00230"></a>00230 <a name="l00231"></a>00231 <span class="keywordtype">void</span> init(size_type sz, size_type cap)<a name="l00232"></a>00232 {<a name="l00233"></a>00233 <span class="keywordflow">if</span> (cap)<a name="l00234"></a>00234 {<a name="l00235"></a>00235 <span class="comment">// Lee: the original form:</span><a name="l00236"></a>00236 <span class="comment">// rep_ = static_cast<Rep*>(operator new(sizeof(Rep) + cap));</span><a name="l00237"></a>00237 <span class="comment">// doesn't work in some cases of new being overloaded. Switching</span><a name="l00238"></a>00238 <span class="comment">// to the normal allocation, although use an 'int' for systems</span><a name="l00239"></a>00239 <span class="comment">// that are overly picky about structure alignment.</span><a name="l00240"></a>00240 <span class="keyword">const</span> size_type bytesNeeded = <span class="keyword">sizeof</span>(Rep) + cap;<a name="l00241"></a>00241 <span class="keyword">const</span> size_type intsNeeded = ( bytesNeeded + <span class="keyword">sizeof</span>(int) - 1 ) / <span class="keyword">sizeof</span>( int ); <a name="l00242"></a>00242 rep_ = reinterpret_cast<Rep*>( <span class="keyword">new</span> <span class="keywordtype">int</span>[ intsNeeded ] );<a name="l00243"></a>00243 <a name="l00244"></a>00244 rep_->str[ rep_->size = sz ] = <span class="charliteral">'\0'</span>;<a name="l00245"></a>00245 rep_->capacity = cap;<a name="l00246"></a>00246 }<a name="l00247"></a>00247 <span class="keywordflow">else</span><a name="l00248"></a>00248 {<a name="l00249"></a>00249 rep_ = &nullrep_;<a name="l00250"></a>00250 }<a name="l00251"></a>00251 }<a name="l00252"></a>00252 <a name="l00253"></a>00253 <span class="keywordtype">void</span> quit()<a name="l00254"></a>00254 {<a name="l00255"></a>00255 <span class="keywordflow">if</span> (rep_ != &nullrep_)<a name="l00256"></a>00256 {<a name="l00257"></a>00257 <span class="comment">// The rep_ is really an array of ints. (see the allocator, above).</span><a name="l00258"></a>00258 <span class="comment">// Cast it back before delete, so the compiler won't incorrectly call destructors.</span><a name="l00259"></a>00259 <span class="keyword">delete</span> [] ( reinterpret_cast<int*>( rep_ ) );<a name="l00260"></a>00260 }<a name="l00261"></a>00261 }<a name="l00262"></a>00262 <a name="l00263"></a>00263 Rep * rep_;<a name="l00264"></a>00264 <span class="keyword">static</span> Rep nullrep_;<a name="l00265"></a>00265 <a name="l00266"></a>00266 } ;<a name="l00267"></a>00267 <a name="l00268"></a>00268 <a name="l00269"></a>00269 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator == (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> TiXmlString & b)<a name="l00270"></a>00270 {<a name="l00271"></a>00271 <span class="keywordflow">return</span> ( a.length() == b.length() ) <span class="comment">// optimization on some platforms</span><a name="l00272"></a>00272 && ( strcmp(a.c_str(), b.c_str()) == 0 ); <span class="comment">// actual compare</span><a name="l00273"></a>00273 }<a name="l00274"></a>00274 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator < (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> TiXmlString & b)<a name="l00275"></a>00275 {<a name="l00276"></a>00276 <span class="keywordflow">return</span> strcmp(a.c_str(), b.c_str()) < 0;<a name="l00277"></a>00277 }<a name="l00278"></a>00278 <a name="l00279"></a>00279 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator != (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> TiXmlString & b) { <span class="keywordflow">return</span> !(a == b); }<a name="l00280"></a>00280 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator > (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> TiXmlString & b) { <span class="keywordflow">return</span> b < a; }<a name="l00281"></a>00281 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator <= (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> TiXmlString & b) { <span class="keywordflow">return</span> !(b < a); }<a name="l00282"></a>00282 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator >= (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> TiXmlString & b) { <span class="keywordflow">return</span> !(a < b); }<a name="l00283"></a>00283 <a name="l00284"></a>00284 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator == (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> <span class="keywordtype">char</span>* b) { <span class="keywordflow">return</span> strcmp(a.c_str(), b) == 0; }<a name="l00285"></a>00285 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator == (<span class="keyword">const</span> <span class="keywordtype">char</span>* a, <span class="keyword">const</span> TiXmlString & b) { <span class="keywordflow">return</span> b == a; }<a name="l00286"></a>00286 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator != (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> <span class="keywordtype">char</span>* b) { <span class="keywordflow">return</span> !(a == b); }<a name="l00287"></a>00287 <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator != (<span class="keyword">const</span> <span class="keywordtype">char</span>* a, <span class="keyword">const</span> TiXmlString & b) { <span class="keywordflow">return</span> !(b == a); }<a name="l00288"></a>00288 <a name="l00289"></a>00289 TiXmlString operator + (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> TiXmlString & b);<a name="l00290"></a>00290 TiXmlString operator + (<span class="keyword">const</span> TiXmlString & a, <span class="keyword">const</span> <span class="keywordtype">char</span>* b);<a name="l00291"></a>00291 TiXmlString operator + (<span class="keyword">const</span> <span class="keywordtype">char</span>* a, <span class="keyword">const</span> TiXmlString & b);<a name="l00292"></a>00292 <a name="l00293"></a>00293 <a name="l00294"></a>00294 <span class="comment">/*</span><a name="l00295"></a>00295 <span class="comment"> TiXmlOutStream is an emulation of std::ostream. It is based on TiXmlString.</span><a name="l00296"></a>00296 <span class="comment"> Only the operators that we need for TinyXML have been developped.</span><a name="l00297"></a>00297 <span class="comment">*/</span><a name="l00298"></a>00298 <span class="keyword">class </span>TiXmlOutStream : <span class="keyword">public</span> TiXmlString<a name="l00299"></a>00299 {<a name="l00300"></a>00300 <span class="keyword">public</span> :<a name="l00301"></a>00301 <a name="l00302"></a>00302 <span class="comment">// TiXmlOutStream << operator.</span><a name="l00303"></a>00303 TiXmlOutStream & operator << (<span class="keyword">const</span> TiXmlString & in)<a name="l00304"></a>00304 {<a name="l00305"></a>00305 *<span class="keyword">this</span> += in;<a name="l00306"></a>00306 <span class="keywordflow">return</span> *<span class="keyword">this</span>;<a name="l00307"></a>00307 }<a name="l00308"></a>00308 <a name="l00309"></a>00309 <span class="comment">// TiXmlOutStream << operator.</span><a name="l00310"></a>00310 TiXmlOutStream & operator << (<span class="keyword">const</span> <span class="keywordtype">char</span> * in)<a name="l00311"></a>00311 {<a name="l00312"></a>00312 *<span class="keyword">this</span> += in;<a name="l00313"></a>00313 <span class="keywordflow">return</span> *<span class="keyword">this</span>;<a name="l00314"></a>00314 }<a name="l00315"></a>00315 <a name="l00316"></a>00316 } ;<a name="l00317"></a>00317 <a name="l00318"></a>00318 <span class="preprocessor">#endif // TIXML_STRING_INCLUDED</span><a name="l00319"></a>00319 <span class="preprocessor"></span><span class="preprocessor">#endif // TIXML_USE_STL</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun May 6 15:41:22 2007 for TinyXml by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address></body></html>⌨️ 快捷键说明
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