/* * 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 xmlFreePattern (xmlPatternPtr comp); XMLPUBFUN void xmlFreePatternList (xmlPatternPtr comp); XMLPUBFUN xmlPatternPtr xmlPatterncompile (const xmlChar *pattern, xmlDict *dict, int flags, const xmlChar **namespaces); XMLPUBFUN int xmlPatternCompileSafe (const xmlChar *pattern, xmlDict *dict, int flags, const xmlChar **namespaces, xmlPatternPtr *patternOut); XMLPUBFUN int xmlPatternMatch (xmlPatternPtr comp, xmlNodePtr node); /* streaming interfaces */ typedef struct _xmlStreamCtxt xmlStreamCtxt; typedef xmlStreamCtxt *xmlStreamCtxtPtr; XMLPUBFUN int xmlPatternStreamable (xmlPatternPtr comp); XMLPUBFUN int xmlPatternMaxDepth (xmlPatternPtr comp); XMLPUBFUN int xmlPatternMinDepth (xmlPatternPtr comp); XMLPUBFUN int xmlPatternFromRoot (xmlPatternPtr comp); XMLPUBFUN xmlStreamCtxtPtr xmlPatternGetStreamCtxt (xmlPatternPtr comp); XMLPUBFUN void xmlFreeStreamCtxt (xmlStreamCtxtPtr stream); XMLPUBFUN int xmlStreamPushNode (xmlStreamCtxtPtr stream, const xmlChar *name, const xmlChar *ns, int nodeType); XMLPUBFUN int xmlStreamPush (xmlStreamCtxtPtr stream, const xmlChar *name, const xmlChar *ns); XMLPUBFUN int xmlStreamPushAttr (xmlStreamCtxtPtr stream, const xmlChar *name, const xmlChar *ns); XMLPUBFUN int xmlStreamPop (xmlStreamCtxtPtr stream); XMLPUBFUN int xmlStreamWantsAnyNode (xmlStreamCtxtPtr stream); #ifdef __cplusplus } #endif #endif /* LIBXML_PATTERN_ENABLED */ #endif /* __XML_PATTERN_H__ */