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/></a></td><th align="center"><a href="/index.html">The XML C parser and toolkit of Gnome</a></th><th align="right"><a href="libxml-encoding.html">encoding</a></th><td><a accesskey="n" href="libxml-encoding.html"><img src="right.png" width="24" height="24" border="0" alt="Next" /></a></td></tr></table><p>dictionary of reusable strings, just used to avoid allocation and freeing operations. </p><h2>Table of Contents</h2><pre class="programlisting">Structure <a href="#xmlDict">xmlDict</a><br />struct _xmlDict 14The content of this structure is not made public by the API. 15</pre><pre class="programlisting">Typedef <a href="libxml-dict.html#xmlDict">xmlDict</a> * <a name="xmlDictPtr" id="xmlDictPtr">xmlDictPtr</a> 16</pre><pre class="programlisting">void <a href="#xmlDictCleanup">xmlDictCleanup</a> (void)</pre> 17<pre class="programlisting"><a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> <a href="#xmlDictCreate">xmlDictCreate</a> (void)</pre> 18<pre class="programlisting"><a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> <a href="#xmlDictCreateSub">xmlDictCreateSub</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> sub)</pre> 19<pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlDictExists">xmlDictExists</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * name, <br /> int len)</pre> 20<pre class="programlisting">void <a href="#xmlDictFree">xmlDictFree</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)</pre> 21<pre class="programlisting">size_t <a href="#xmlDictGetUsage">xmlDictGetUsage</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)</pre> 22<pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlDictLookup">xmlDictLookup</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * name, <br /> int len)</pre> 23<pre class="programlisting">int <a href="#xmlDictOwns">xmlDictOwns</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str)</pre> 24<pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlDictQLookup">xmlDictQLookup</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * prefix, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * name)</pre> 25<pre class="programlisting">int <a href="#xmlDictReference">xmlDictReference</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)</pre> 26<pre class="programlisting">size_t <a href="#xmlDictSetLimit">xmlDictSetLimit</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> size_t limit)</pre> 27<pre class="programlisting">int <a href="#xmlDictSize">xmlDictSize</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)</pre> 28<pre class="programlisting">int <a href="#xmlInitializeDict">xmlInitializeDict</a> (void)</pre> 29<h2>Description</h2> 30<h3><a name="xmlDict" id="xmlDict">Structure xmlDict</a></h3><pre class="programlisting">Structure xmlDict<br />struct _xmlDict { 31The content of this structure is not made public by the API. 32}</pre><h3><a name="xmlDictCleanup" id="xmlDictCleanup"></a>Function: xmlDictCleanup</h3><pre class="programlisting">void xmlDictCleanup (void)<br /> 33</pre><p>Free the dictionary mutex. Do not call unless sure the library is not in use anymore !</p> 34<h3><a name="xmlDictCreate" id="xmlDictCreate"></a>Function: xmlDictCreate</h3><pre class="programlisting"><a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> xmlDictCreate (void)<br /> 35</pre><p>Create a new dictionary</p> 36<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created dictionnary, or NULL if an error occured.</td></tr></tbody></table></div><h3><a name="xmlDictCreateSub" id="xmlDictCreateSub"></a>Function: xmlDictCreateSub</h3><pre class="programlisting"><a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> xmlDictCreateSub (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> sub)<br /> 37</pre><p>Create a new dictionary, inheriting strings from the read-only dictionnary @sub. On lookup, strings are first searched in the new dictionnary, then in @sub, and if not found are created in the new dictionnary.</p> 38<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>sub</tt></i>:</span></td><td>an existing dictionnary</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created dictionnary, or NULL if an error occured.</td></tr></tbody></table></div><h3><a name="xmlDictExists" id="xmlDictExists"></a>Function: xmlDictExists</h3><pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlDictExists (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * name, <br /> int len)<br /> 39</pre><p>Check if the @name exists in the dictionnary @dict.</p> 40<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionnary</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the name of the userdata</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the length of the name, if -1 it is recomputed</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the internal copy of the name or NULL if not found.</td></tr></tbody></table></div><h3><a name="xmlDictFree" id="xmlDictFree"></a>Function: xmlDictFree</h3><pre class="programlisting">void xmlDictFree (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)<br /> 41</pre><p>Free the hash @dict and its contents. The userdata is deallocated with @f if provided.</p> 42<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionnary</td></tr></tbody></table></div><h3><a name="xmlDictGetUsage" id="xmlDictGetUsage"></a>Function: xmlDictGetUsage</h3><pre class="programlisting">size_t xmlDictGetUsage (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)<br /> 43</pre><p>Get how much memory is used by a dictionary for strings Added in 2.9.0</p> 44<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionnary</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the amount of strings allocated</td></tr></tbody></table></div><h3><a name="xmlDictLookup" id="xmlDictLookup"></a>Function: xmlDictLookup</h3><pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlDictLookup (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * name, <br /> int len)<br /> 45</pre><p>Add the @name to the dictionnary @dict if not present.</p> 46<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionnary</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the name of the userdata</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the length of the name, if -1 it is recomputed</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the internal copy of the name or NULL in case of internal error</td></tr></tbody></table></div><h3><a name="xmlDictOwns" id="xmlDictOwns"></a>Function: xmlDictOwns</h3><pre class="programlisting">int xmlDictOwns (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str)<br /> 47</pre><p>check if a string is owned by the disctionary</p> 48<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionnary</td></tr><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the string</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 if true, 0 if false and -1 in case of error -1 in case of error</td></tr></tbody></table></div><h3><a name="xmlDictQLookup" id="xmlDictQLookup"></a>Function: xmlDictQLookup</h3><pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlDictQLookup (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * prefix, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * name)<br /> 49</pre><p>Add the QName @prefix:@name to the hash @dict if not present.</p> 50<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionnary</td></tr><tr><td><span class="term"><i><tt>prefix</tt></i>:</span></td><td>the prefix</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the name</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the internal copy of the QName or NULL in case of internal error</td></tr></tbody></table></div><h3><a name="xmlDictReference" id="xmlDictReference"></a>Function: xmlDictReference</h3><pre class="programlisting">int xmlDictReference (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)<br /> 51</pre><p>Increment the <a href="libxml-SAX.html#reference">reference</a> counter of a dictionary</p> 52<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionnary</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of error</td></tr></tbody></table></div><h3><a name="xmlDictSetLimit" id="xmlDictSetLimit"></a>Function: xmlDictSetLimit</h3><pre class="programlisting">size_t xmlDictSetLimit (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> size_t limit)<br /> 53</pre><p>Set a size limit for the dictionary Added in 2.9.0</p> 54<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionnary</td></tr><tr><td><span class="term"><i><tt>limit</tt></i>:</span></td><td>the limit in bytes</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the previous limit of the dictionary or 0</td></tr></tbody></table></div><h3><a name="xmlDictSize" id="xmlDictSize"></a>Function: xmlDictSize</h3><pre class="programlisting">int xmlDictSize (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)<br /> 55</pre><p>Query the number of elements installed in the hash @dict.</p> 56<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionnary</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of elements in the dictionnary or -1 in case of error</td></tr></tbody></table></div><h3><a name="xmlInitializeDict" id="xmlInitializeDict"></a>Function: xmlInitializeDict</h3><pre class="programlisting">int xmlInitializeDict (void)<br /> 57</pre><p>Do the dictionary mutex initialization. this function is deprecated</p> 58<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 if initialization was already done, and 1 if that call led to the initialization</td></tr></tbody></table></div><p><a href="/bugs.html">Daniel Veillard</a></p></td></tr></table></td></tr></table></td></tr></table></td></tr></table></td></tr></table></body></html> 59