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108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/**
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* @file
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*
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* @brief pattern expression handling
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*
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* allows to compile and test pattern expressions for nodes
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* either in a tree or based on a parser state.
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*
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* @copyright See Copyright for the status of this software.
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*
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* @author Daniel Veillard
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*/
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#ifndef __XML_PATTERN_H__
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#define __XML_PATTERN_H__
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#include <libxml/xmlversion.h>
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#include <libxml/tree.h>
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#include <libxml/dict.h>
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#ifdef LIBXML_PATTERN_ENABLED
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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*
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* A compiled (XPath based) pattern to select nodes
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*/
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typedef struct _xmlPattern xmlPattern;
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typedef xmlPattern *xmlPatternPtr;
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/**
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*
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* This is the set of options affecting the behaviour of pattern
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* matching with this module
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*
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*/
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typedef enum {
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XML_PATTERN_DEFAULT = 0, /* simple pattern match */
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XML_PATTERN_XPATH = 1<<0, /* standard XPath pattern */
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XML_PATTERN_XSSEL = 1<<1, /* XPath subset for schema selector */
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XML_PATTERN_XSFIELD = 1<<2 /* XPath subset for schema field */
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} xmlPatternFlags;
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XMLPUBFUN void
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xmlFreePattern (xmlPatternPtr comp);
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XMLPUBFUN void
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xmlFreePatternList (xmlPatternPtr comp);
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XMLPUBFUN xmlPatternPtr
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xmlPatterncompile (const xmlChar *pattern,
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xmlDict *dict,
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int flags,
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const xmlChar **namespaces);
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XMLPUBFUN int
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xmlPatternCompileSafe (const xmlChar *pattern,
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xmlDict *dict,
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int flags,
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const xmlChar **namespaces,
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xmlPatternPtr *patternOut);
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XMLPUBFUN int
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xmlPatternMatch (xmlPatternPtr comp,
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xmlNodePtr node);
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/* streaming interfaces */
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typedef struct _xmlStreamCtxt xmlStreamCtxt;
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typedef xmlStreamCtxt *xmlStreamCtxtPtr;
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XMLPUBFUN int
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xmlPatternStreamable (xmlPatternPtr comp);
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XMLPUBFUN int
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xmlPatternMaxDepth (xmlPatternPtr comp);
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XMLPUBFUN int
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xmlPatternMinDepth (xmlPatternPtr comp);
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XMLPUBFUN int
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xmlPatternFromRoot (xmlPatternPtr comp);
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XMLPUBFUN xmlStreamCtxtPtr
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xmlPatternGetStreamCtxt (xmlPatternPtr comp);
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XMLPUBFUN void
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xmlFreeStreamCtxt (xmlStreamCtxtPtr stream);
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XMLPUBFUN int
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xmlStreamPushNode (xmlStreamCtxtPtr stream,
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const xmlChar *name,
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const xmlChar *ns,
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int nodeType);
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XMLPUBFUN int
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xmlStreamPush (xmlStreamCtxtPtr stream,
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const xmlChar *name,
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const xmlChar *ns);
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XMLPUBFUN int
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xmlStreamPushAttr (xmlStreamCtxtPtr stream,
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const xmlChar *name,
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const xmlChar *ns);
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XMLPUBFUN int
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xmlStreamPop (xmlStreamCtxtPtr stream);
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XMLPUBFUN int
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xmlStreamWantsAnyNode (xmlStreamCtxtPtr stream);
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#ifdef __cplusplus
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}
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#endif
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#endif /* LIBXML_PATTERN_ENABLED */
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#endif /* __XML_PATTERN_H__ */
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