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</style><title>Module dict from libxml2</title></head><body bgcolor="#8b7765" text="#000000" link="#a06060" vlink="#000000"><table border="0" width="100%" cellpadding="5" cellspacing="0" align="center"><tr><td width="120"><a href="http://swpat.ffii.org/"><img src="../epatents.png" alt="Action against software patents" /></a></td><td width="180"><a href="http://www.gnome.org/"><img src="../gnome2.png" alt="Gnome2 Logo" /></a><a href="http://www.w3.org/Status"><img src="../w3c.png" alt="W3C Logo" /></a><a href="http://www.redhat.com/"><img src="../redhat.gif" alt="Red Hat Logo" /></a><div align="left"><a href="http://xmlsoft.org/"><img src="../Libxml2-Logo-180x168.gif" alt="Made with Libxml2 Logo" /></a></div></td><td><table border="0" width="90%" cellpadding="2" cellspacing="0" align="center" bgcolor="#000000"><tr><td><table width="100%" border="0" cellspacing="1" cellpadding="3" bgcolor="#fffacd"><tr><td align="center"><h1></h1><h2>Module dict from 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href="index.html">API documentation</a></th><td><a accesskey="h" href="../index.html"><img src="home.png" width="24" height="24" border="0" alt="Home" /></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
The content of this structure is not made public by the API.
</pre><pre class="programlisting">Typedef <a href="libxml-dict.html#xmlDict">xmlDict</a> * <a name="xmlDictPtr" id="xmlDictPtr">xmlDictPtr</a>
</pre><pre class="programlisting">void <a href="#xmlDictCleanup">xmlDictCleanup</a> (void)</pre>
<pre class="programlisting"><a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> <a href="#xmlDictCreate">xmlDictCreate</a> (void)</pre>
<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>
<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>
<pre class="programlisting">void <a href="#xmlDictFree">xmlDictFree</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)</pre>
<pre class="programlisting">size_t <a href="#xmlDictGetUsage">xmlDictGetUsage</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)</pre>
<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>
<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>
<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>
<pre class="programlisting">int <a href="#xmlDictReference">xmlDictReference</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)</pre>
<pre class="programlisting">size_t <a href="#xmlDictSetLimit">xmlDictSetLimit</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict, <br /> size_t limit)</pre>
<pre class="programlisting">int <a href="#xmlDictSize">xmlDictSize</a> (<a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> dict)</pre>
<pre class="programlisting">int <a href="#xmlInitializeDict">xmlInitializeDict</a> (void)</pre>
<h2>Description</h2>
<h3><a name="xmlDict" id="xmlDict">Structure xmlDict</a></h3><pre class="programlisting">Structure xmlDict<br />struct _xmlDict {
The content of this structure is not made public by the API.
}</pre><h3><a name="xmlDictCleanup" id="xmlDictCleanup"></a>Function: xmlDictCleanup</h3><pre class="programlisting">void xmlDictCleanup (void)<br />
</pre><p>Free the dictionary mutex. Do not call unless sure the library is not in use anymore !</p>
<h3><a name="xmlDictCreate" id="xmlDictCreate"></a>Function: xmlDictCreate</h3><pre class="programlisting"><a href="libxml-dict.html#xmlDictPtr">xmlDictPtr</a> xmlDictCreate (void)<br />
</pre><p>Create a new dictionary</p>
<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 dictionary, 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 />
</pre><p>Create a new dictionary, inheriting strings from the read-only dictionary @sub. On lookup, strings are first searched in the new dictionary, then in @sub, and if not found are created in the new dictionary.</p>
<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 dictionary</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created dictionary, 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 />
</pre><p>Check if the @name exists in the dictionary @dict.</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionary</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 />
</pre><p>Free the hash @dict and its contents. The userdata is deallocated with @f if provided.</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionary</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 />
</pre><p>Get how much memory is used by a dictionary for strings Added in 2.9.0</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionary</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 />
</pre><p>Add the @name to the dictionary @dict if not present.</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionary</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 />
</pre><p>check if a string is owned by the disctionary</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionary</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 />
</pre><p>Add the QName @prefix:@name to the hash @dict if not present.</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionary</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 />
</pre><p>Increment the <a href="libxml-SAX.html#reference">reference</a> counter of a dictionary</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionary</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 />
</pre><p>Set a size limit for the dictionary Added in 2.9.0</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionary</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 />
</pre><p>Query the number of elements installed in the hash @dict.</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>the dictionary</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of elements in the dictionary 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 />
</pre><p>Do the dictionary mutex initialization. this function is deprecated</p>
<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>