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