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< title > xpointer: API to handle XML Pointers< / title >
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< th width = "100%" align = "center" > libxml2 Reference Manual< / th >
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< h2 > < span class = "refentrytitle" > xpointer< / span > < / h2 >
< p > xpointer - API to handle XML Pointers< / p >
< p > API to handle XML Pointers Base implementation was made accordingly to W3C Candidate Recommendation 7 June 2000< / p >
< p > Author(s): Daniel Veillard < / p >
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< h2 > Synopsis< / h2 >
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< pre class = "synopsis" > < a href = "libxml2-xpath.html#xmlXPathObjectPtr" > xmlXPathObjectPtr< / a > < a href = "#xmlXPtrEval" > xmlXPtrEval< / a > (const < a href = "libxml2-xmlstring.html#xmlChar" > xmlChar< / a > * str, < br > < a href = "libxml2-xpath.html#xmlXPathContextPtr" > xmlXPathContextPtr< / a > ctx);
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< a href = "libxml2-xpath.html#xmlXPathContextPtr" > xmlXPathContextPtr< / a > < a href = "#xmlXPtrNewContext" > xmlXPtrNewContext< / a > (< 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);
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< div class = "refsect1" lang = "en" > < h2 > Description< / h2 > < / div >
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< h2 > Details< / h2 >
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< a name = "xmlXPtrEval" > < / a > 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 >
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< p > Evaluate the XPath Location Path in the given context.< / p >
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< td > < span class = "term" > < i > < tt > str< / tt > < / i > :< / span > < / td >
< td > the XPointer expression< / td >
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< td > < span class = "term" > < i > < tt > ctx< / tt > < / i > :< / span > < / td >
< td > the XPointer context< / td >
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< 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 >
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< a name = "xmlXPtrNewContext" > < / a > 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 >
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< p > Create a new XPointer context< / p >
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< td > < span class = "term" > < i > < tt > doc< / tt > < / i > :< / span > < / td >
< td > the XML document< / td >
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< td > < span class = "term" > < i > < tt > here< / tt > < / i > :< / span > < / td >
< td > the node that directly contains the XPointer being evaluated or NULL< / td >
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< 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 >
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< td > < span class = "term" > < i > < tt > Returns< / tt > < / i > :< / span > < / td >
< td > the < a href = "libxml2-xpath.html#xmlXPathContext" > xmlXPathContext< / a > just allocated.< / td >
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