libxml2-xpointer.html

xml开源解析代码.版本为libxml2-2.6.29,可支持GB3212.网络消息发送XML时很有用.

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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrEval"/>xmlXPtrEval ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrEval	(const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * str, <br/>					 <a href="libxml2-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctx)<br/>
</pre><p>Evaluate the XPath Location Path in the given context.</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the XPointer expression</td></tr><tr><td><span class="term"><i><tt>ctx</tt></i>:</span></td><td>the XPointer context</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> resulting from the evaluation or NULL. the caller has to free the object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrEvalRangePredicate"/>xmlXPtrEvalRangePredicate ()</h3><pre class="programlisting">void	xmlXPtrEvalRangePredicate	(<a href="libxml2-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt)<br/>
</pre><p>[8] Predicate ::= '[' PredicateExpr ']' [9] PredicateExpr ::= Expr Evaluate a predicate as in xmlXPathEvalPredicate() but for a Location Set instead of a node set</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XPointer Parser context</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrFreeLocationSet"/>xmlXPtrFreeLocationSet ()</h3><pre class="programlisting">void	xmlXPtrFreeLocationSet		(<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> obj)<br/>
</pre><p>Free the LocationSet compound (not the actual ranges !).</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>obj</tt></i>:</span></td><td>the <a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> to free</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrLocationSetAdd"/>xmlXPtrLocationSetAdd ()</h3><pre class="programlisting">void	xmlXPtrLocationSetAdd		(<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> cur, <br/>					 <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> val)<br/>
</pre><p>add a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> to an existing LocationSet If the location already exist in the set @val is freed.</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>cur</tt></i>:</span></td><td>the initial range set</td></tr><tr><td><span class="term"><i><tt>val</tt></i>:</span></td><td>a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a></td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrLocationSetCreate"/>xmlXPtrLocationSetCreate ()</h3><pre class="programlisting"><a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a>	xmlXPtrLocationSetCreate	(<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> val)<br/>
</pre><p>Create a new <a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> of type double and of value @val</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>val</tt></i>:</span></td><td>an initial xmlXPathObjectPtr, or NULL</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrLocationSetDel"/>xmlXPtrLocationSetDel ()</h3><pre class="programlisting">void	xmlXPtrLocationSetDel		(<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> cur, <br/>					 <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> val)<br/>
</pre><p>Removes an <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> from an existing LocationSet</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>cur</tt></i>:</span></td><td>the initial range set</td></tr><tr><td><span class="term"><i><tt>val</tt></i>:</span></td><td>an <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a></td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrLocationSetMerge"/>xmlXPtrLocationSetMerge ()</h3><pre class="programlisting"><a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a>	xmlXPtrLocationSetMerge	(<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> val1, <br/>						 <a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> val2)<br/>
</pre><p>Merges two rangesets, all ranges from @val2 are added to @val1</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>val1</tt></i>:</span></td><td>the first LocationSet</td></tr><tr><td><span class="term"><i><tt>val2</tt></i>:</span></td><td>the second LocationSet</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>val1 once extended or NULL in case of error.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrLocationSetRemove"/>xmlXPtrLocationSetRemove ()</h3><pre class="programlisting">void	xmlXPtrLocationSetRemove	(<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> cur, <br/>					 int val)<br/>
</pre><p>Removes an entry from an existing LocationSet list.</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>cur</tt></i>:</span></td><td>the initial range set</td></tr><tr><td><span class="term"><i><tt>val</tt></i>:</span></td><td>the index to remove</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewCollapsedRange"/>xmlXPtrNewCollapsedRange ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrNewCollapsedRange	(<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start)<br/>
</pre><p>Create a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> of type range using a single nodes</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>the starting and ending node</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewContext"/>xmlXPtrNewContext ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a>	xmlXPtrNewContext	(<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br/>						 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> here, <br/>						 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> origin)<br/>
</pre><p>Create a new XPointer context</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>doc</tt></i>:</span></td><td>the XML document</td></tr><tr><td><span class="term"><i><tt>here</tt></i>:</span></td><td>the node that directly contains the XPointer being evaluated or NULL</td></tr><tr><td><span class="term"><i><tt>origin</tt></i>:</span></td><td>the element from which a user or program initiated traversal of the link, or NULL.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libxml2-xpath.html#xmlXPathContext">xmlXPathContext</a> just allocated.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewLocationSetNodeSet"/>xmlXPtrNewLocationSetNodeSet ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrNewLocationSetNodeSet	(<a href="libxml2-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> set)<br/>
</pre><p>Create a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> of type LocationSet and initialize it with all the nodes from @set</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>set</tt></i>:</span></td><td>a node set</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewLocationSetNodes"/>xmlXPtrNewLocationSetNodes ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrNewLocationSetNodes	(<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/>							 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> end)<br/>
</pre><p>Create a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> of type LocationSet and initialize it with the single range made of the two nodes @start and @end</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>the start NodePtr value</td></tr><tr><td><span class="term"><i><tt>end</tt></i>:</span></td><td>the end NodePtr value or NULL</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewRange"/>xmlXPtrNewRange ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrNewRange	(<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/>					 int startindex, <br/>					 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> end, <br/>					 int endindex)<br/>
</pre><p>Create a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> of type range</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>the starting node</td></tr><tr><td><span class="term"><i><tt>startindex</tt></i>:</span></td><td>the start index</td></tr><tr><td><span class="term"><i><tt>end</tt></i>:</span></td><td>the ending point</td></tr><tr><td><span class="term"><i><tt>endindex</tt></i>:</span></td><td>the ending index</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewRangeNodeObject"/>xmlXPtrNewRangeNodeObject ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrNewRangeNodeObject	(<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/>							 <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> end)<br/>
</pre><p>Create a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> of type range from a not to an object</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>the starting node</td></tr><tr><td><span class="term"><i><tt>end</tt></i>:</span></td><td>the ending object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewRangeNodePoint"/>xmlXPtrNewRangeNodePoint ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrNewRangeNodePoint	(<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/>							 <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> end)<br/>
</pre><p>Create a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> of type range from a node to a point</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>the starting node</td></tr><tr><td><span class="term"><i><tt>end</tt></i>:</span></td><td>the ending point</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewRangeNodes"/>xmlXPtrNewRangeNodes ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrNewRangeNodes	(<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/>						 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> end)<br/>
</pre><p>Create a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> of type range using 2 nodes</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>the starting node</td></tr><tr><td><span class="term"><i><tt>end</tt></i>:</span></td><td>the ending node</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewRangePointNode"/>xmlXPtrNewRangePointNode ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrNewRangePointNode	(<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> start, <br/>							 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> end)<br/>
</pre><p>Create a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> of type range from a point to a node</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>the starting point</td></tr><tr><td><span class="term"><i><tt>end</tt></i>:</span></td><td>the ending node</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrNewRangePoints"/>xmlXPtrNewRangePoints ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrNewRangePoints	(<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> start, <br/>						 <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> end)<br/>
</pre><p>Create a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> of type range using 2 Points</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>the starting point</td></tr><tr><td><span class="term"><i><tt>end</tt></i>:</span></td><td>the ending point</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrRangeToFunction"/>xmlXPtrRangeToFunction ()</h3><pre class="programlisting">void	xmlXPtrRangeToFunction		(<a href="libxml2-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt, <br/>					 int nargs)<br/>
</pre><p>Implement the range-to() XPointer function</p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XPointer Parser context</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i>:</span></td><td>the number of args</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlXPtrWrapLocationSet"/>xmlXPtrWrapLocationSet ()</h3><pre class="programlisting"><a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a>	xmlXPtrWrapLocationSet	(<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> val)<br/>
</pre><p>Wrap the LocationSet @val in a new <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a></p>
<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>val</tt></i>:</span></td><td>the LocationSet value</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the newly created object.</td></tr></tbody></table></div></div>
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