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div.deprecated pre.programlisting {border-style: double;border-color:red} pre.programlisting {border-style: double;background: #EECFA1} </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 libxml2</h2></td></tr></table></td></tr></table></td></tr></table><table border="0" cellpadding="4" cellspacing="0" width="100%" align="center"><tr><td bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td valign="top" width="200" bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="1" width="100%" bgcolor="#000000"><tr><td><table width="100%" border="0" cellspacing="1" cellpadding="3"><tr><td colspan="1" bgcolor="#eecfa1" align="center"><center><b>API Menu</b></center></td></tr><tr><td bgcolor="#fffacd"><form action="../search.php" enctype="application/x-www-form-urlencoded" method="get"><input name="query" type="text" size="20" value="" /><input name="submit" type="submit" value="Search ..." /></form><ul><li><a style="font-weight:bold" href="../index.html">Main Menu</a></li><li><a style="font-weight:bold" href="../docs.html">Developer 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height="24" border="0" alt="Up" /></a></td><th align="left"><a 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”>Returns
:</span></td><td>the
newly created dictionary, or NULL if an error
occurred.</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”>sub
:</span></td><td>an
existing dictionary</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
newly created dictionary, or NULL if an error
occurred.</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”>dict
:</span></td><td>the
dictionary</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>len
:</span></td><td>the
length of the name, if -1 it is
recomputed</td></tr><tr><td><span
class=“term”>Returns
:</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”>dict
:</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”>dict
:</span></td><td>the
dictionary</td></tr><tr><td><span
class=“term”>Returns
:</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”>dict
:</span></td><td>the
dictionary</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>len
:</span></td><td>the
length of the name, if -1 it is
recomputed</td></tr><tr><td><span
class=“term”>Returns
:</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
dictionary</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>dict
:</span></td><td>the
dictionary</td></tr><tr><td><span
class=“term”>str
:</span></td><td>the
string</td></tr><tr><td><span
class=“term”>Returns
:</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”>dict
:</span></td><td>the
dictionary</td></tr><tr><td><span
class=“term”>prefix
:</span></td><td>the
prefix</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name</td></tr><tr><td><span
class=“term”>Returns
:</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”>dict
:</span></td><td>the
dictionary</td></tr><tr><td><span
class=“term”>Returns
:</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”>dict
:</span></td><td>the
dictionary</td></tr><tr><td><span
class=“term”>limit
:</span></td><td>the
limit in bytes</td></tr><tr><td><span
class=“term”>Returns
:</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”>dict
:</span></td><td>the
dictionary</td></tr><tr><td><span
class=“term”>Returns
:</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”>Returns
:</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>