xpathinternals.h.svn-base

这是一个用于解析xml文件的类库。使用这个类库

/**
 * xmlXPathVariableLookupFunc:
 * @ctxt:  an XPath context
 * @name:  name of the variable
 * @ns_uri:  the namespace name hosting this variable
 *
 * Prototype for callbacks used to plug variable lookup in the XPath
 * engine.
 *
 * Returns the XPath object value or NULL if not found.
 */
typedef xmlXPathObjectPtr (*xmlXPathVariableLookupFunc) (void *ctxt,
					 const xmlChar *name,
					 const xmlChar *ns_uri);

XMLPUBFUN void XMLCALL	
	xmlXPathRegisterVariableLookup	(xmlXPathContextPtr ctxt,
					 xmlXPathVariableLookupFunc f,
					 void *data);

/*
 * Function Lookup forwarding.
 */
/**
 * xmlXPathFuncLookupFunc:
 * @ctxt:  an XPath context
 * @name:  name of the function
 * @ns_uri:  the namespace name hosting this function
 *
 * Prototype for callbacks used to plug function lookup in the XPath
 * engine.
 *
 * Returns the XPath function or NULL if not found.
 */
typedef xmlXPathFunction (*xmlXPathFuncLookupFunc) (void *ctxt,
					 const xmlChar *name,
					 const xmlChar *ns_uri);

XMLPUBFUN void XMLCALL	
	    xmlXPathRegisterFuncLookup	(xmlXPathContextPtr ctxt,
					 xmlXPathFuncLookupFunc f,
					 void *funcCtxt);

/*
 * Error reporting.
 */
XMLPUBFUN void XMLCALL		
		xmlXPatherror	(xmlXPathParserContextPtr ctxt,
				 const char *file,
				 int line,
				 int no);

XMLPUBFUN void XMLCALL
		xmlXPathErr	(xmlXPathParserContextPtr ctxt,
				 int error);

#ifdef LIBXML_DEBUG_ENABLED
XMLPUBFUN void XMLCALL		
		xmlXPathDebugDumpObject	(FILE *output,
					 xmlXPathObjectPtr cur,
					 int depth);
XMLPUBFUN void XMLCALL		
	    xmlXPathDebugDumpCompExpr(FILE *output,
					 xmlXPathCompExprPtr comp,
					 int depth);
#endif
/**
 * NodeSet handling.
 */
XMLPUBFUN int XMLCALL		
		xmlXPathNodeSetContains		(xmlNodeSetPtr cur,
						 xmlNodePtr val);
XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathDifference		(xmlNodeSetPtr nodes1,
						 xmlNodeSetPtr nodes2);
XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathIntersection		(xmlNodeSetPtr nodes1,
						 xmlNodeSetPtr nodes2);

XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathDistinctSorted		(xmlNodeSetPtr nodes);
XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathDistinct		(xmlNodeSetPtr nodes);

XMLPUBFUN int XMLCALL		
		xmlXPathHasSameNodes		(xmlNodeSetPtr nodes1,
						 xmlNodeSetPtr nodes2);

XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathNodeLeadingSorted	(xmlNodeSetPtr nodes,
						 xmlNodePtr node);
XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathLeadingSorted		(xmlNodeSetPtr nodes1,
						 xmlNodeSetPtr nodes2);
XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathNodeLeading		(xmlNodeSetPtr nodes,
						 xmlNodePtr node);
XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathLeading			(xmlNodeSetPtr nodes1,
						 xmlNodeSetPtr nodes2);

XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathNodeTrailingSorted	(xmlNodeSetPtr nodes,
						 xmlNodePtr node);
XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathTrailingSorted		(xmlNodeSetPtr nodes1,
						 xmlNodeSetPtr nodes2);
XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathNodeTrailing		(xmlNodeSetPtr nodes,
						 xmlNodePtr node);
XMLPUBFUN xmlNodeSetPtr XMLCALL	
		xmlXPathTrailing		(xmlNodeSetPtr nodes1,
						 xmlNodeSetPtr nodes2);


/**
 * Extending a context.
 */

XMLPUBFUN int XMLCALL		   
		xmlXPathRegisterNs		(xmlXPathContextPtr ctxt,
						 const xmlChar *prefix,
						 const xmlChar *ns_uri);
XMLPUBFUN const xmlChar * XMLCALL	   
		xmlXPathNsLookup		(xmlXPathContextPtr ctxt,
						 const xmlChar *prefix);
XMLPUBFUN void XMLCALL		   
		xmlXPathRegisteredNsCleanup	(xmlXPathContextPtr ctxt);

XMLPUBFUN int XMLCALL		   
		xmlXPathRegisterFunc		(xmlXPathContextPtr ctxt,
						 const xmlChar *name,
						 xmlXPathFunction f);
XMLPUBFUN int XMLCALL		   
		xmlXPathRegisterFuncNS		(xmlXPathContextPtr ctxt,
						 const xmlChar *name,
						 const xmlChar *ns_uri,
						 xmlXPathFunction f);
XMLPUBFUN int XMLCALL		   
		xmlXPathRegisterVariable	(xmlXPathContextPtr ctxt,
						 const xmlChar *name,
						 xmlXPathObjectPtr value);
XMLPUBFUN int XMLCALL		   
		xmlXPathRegisterVariableNS	(xmlXPathContextPtr ctxt,
						 const xmlChar *name,
						 const xmlChar *ns_uri,
						 xmlXPathObjectPtr value);
XMLPUBFUN xmlXPathFunction XMLCALL   
		xmlXPathFunctionLookup		(xmlXPathContextPtr ctxt,
						 const xmlChar *name);
XMLPUBFUN xmlXPathFunction XMLCALL   
		xmlXPathFunctionLookupNS	(xmlXPathContextPtr ctxt,
						 const xmlChar *name,
						 const xmlChar *ns_uri);
XMLPUBFUN void XMLCALL		   
		xmlXPathRegisteredFuncsCleanup	(xmlXPathContextPtr ctxt);
XMLPUBFUN xmlXPathObjectPtr XMLCALL  
		xmlXPathVariableLookup		(xmlXPathContextPtr ctxt,
						 const xmlChar *name);
XMLPUBFUN xmlXPathObjectPtr XMLCALL  
		xmlXPathVariableLookupNS	(xmlXPathContextPtr ctxt,
						 const xmlChar *name,
						 const xmlChar *ns_uri);
XMLPUBFUN void XMLCALL		   
		xmlXPathRegisteredVariablesCleanup(xmlXPathContextPtr ctxt);

/**
 * Utilities to extend XPath.
 */
XMLPUBFUN xmlXPathParserContextPtr XMLCALL
		  xmlXPathNewParserContext	(const xmlChar *str,
			  			 xmlXPathContextPtr ctxt);
XMLPUBFUN void XMLCALL		  
		xmlXPathFreeParserContext	(xmlXPathParserContextPtr ctxt);

/* TODO: remap to xmlXPathValuePop and Push. */
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		valuePop			(xmlXPathParserContextPtr ctxt);
XMLPUBFUN int XMLCALL		  
		valuePush			(xmlXPathParserContextPtr ctxt,
					 	 xmlXPathObjectPtr value);

XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathNewString		(const xmlChar *val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathNewCString		(const char *val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathWrapString		(xmlChar *val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathWrapCString		(char * val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathNewFloat		(double val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathNewBoolean		(int val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathNewNodeSet		(xmlNodePtr val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathNewValueTree		(xmlNodePtr val);
XMLPUBFUN void XMLCALL		  
		xmlXPathNodeSetAdd		(xmlNodeSetPtr cur,
						 xmlNodePtr val);
XMLPUBFUN void XMLCALL              
		xmlXPathNodeSetAddUnique	(xmlNodeSetPtr cur,
						 xmlNodePtr val);
XMLPUBFUN void XMLCALL		  
		xmlXPathNodeSetAddNs		(xmlNodeSetPtr cur, 
						 xmlNodePtr node, 
						 xmlNsPtr ns);
XMLPUBFUN void XMLCALL              
		xmlXPathNodeSetSort		(xmlNodeSetPtr set);

XMLPUBFUN void XMLCALL		  
		xmlXPathRoot			(xmlXPathParserContextPtr ctxt);
XMLPUBFUN void XMLCALL		  
		xmlXPathEvalExpr		(xmlXPathParserContextPtr ctxt);
XMLPUBFUN xmlChar * XMLCALL	  
		xmlXPathParseName		(xmlXPathParserContextPtr ctxt);
XMLPUBFUN xmlChar * XMLCALL	  
		xmlXPathParseNCName		(xmlXPathParserContextPtr ctxt);

/*
 * Existing functions.
 */
XMLPUBFUN double XMLCALL 
		xmlXPathStringEvalNumber	(const xmlChar *str);
XMLPUBFUN int XMLCALL 
		xmlXPathEvaluatePredicateResult (xmlXPathParserContextPtr ctxt, 
						 xmlXPathObjectPtr res);
XMLPUBFUN void XMLCALL 
		xmlXPathRegisterAllFunctions	(xmlXPathContextPtr ctxt);
XMLPUBFUN xmlNodeSetPtr XMLCALL 
		xmlXPathNodeSetMerge		(xmlNodeSetPtr val1, 
						 xmlNodeSetPtr val2);
XMLPUBFUN void XMLCALL 
		xmlXPathNodeSetDel		(xmlNodeSetPtr cur, 
						 xmlNodePtr val);
XMLPUBFUN void XMLCALL 
		xmlXPathNodeSetRemove		(xmlNodeSetPtr cur, 
						 int val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathNewNodeSetList		(xmlNodeSetPtr val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathWrapNodeSet		(xmlNodeSetPtr val);
XMLPUBFUN xmlXPathObjectPtr XMLCALL 
		xmlXPathWrapExternal		(void *val);

XMLPUBFUN int XMLCALL xmlXPathEqualValues(xmlXPathParserContextPtr ctxt);
XMLPUBFUN int XMLCALL xmlXPathNotEqualValues(xmlXPathParserContextPtr ctxt);
XMLPUBFUN int XMLCALL xmlXPathCompareValues(xmlXPathParserContextPtr ctxt, int inf, int strict);
XMLPUBFUN void XMLCALL xmlXPathValueFlipSign(xmlXPathParserContextPtr ctxt);
XMLPUBFUN void XMLCALL xmlXPathAddValues(xmlXPathParserContextPtr ctxt);
XMLPUBFUN void XMLCALL xmlXPathSubValues(xmlXPathParserContextPtr ctxt);
XMLPUBFUN void XMLCALL xmlXPathMultValues(xmlXPathParserContextPtr ctxt);
XMLPUBFUN void XMLCALL xmlXPathDivValues(xmlXPathParserContextPtr ctxt);
XMLPUBFUN void XMLCALL xmlXPathModValues(xmlXPathParserContextPtr ctxt);

XMLPUBFUN int XMLCALL xmlXPathIsNodeType(const xmlChar *name);

/*
 * Some of the axis navigation routines.
 */
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextSelf(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextChild(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextDescendant(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextDescendantOrSelf(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextParent(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextAncestorOrSelf(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextFollowingSibling(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextFollowing(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextNamespace(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextAttribute(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextPreceding(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextAncestor(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextPrecedingSibling(xmlXPathParserContextPtr ctxt,
			xmlNodePtr cur);
/*
 * The official core of XPath functions.
 */
XMLPUBFUN void XMLCALL xmlXPathLastFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathPositionFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathCountFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathIdFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathLocalNameFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathNamespaceURIFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathStringFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathStringLengthFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathConcatFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathContainsFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathStartsWithFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathSubstringFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathSubstringBeforeFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathSubstringAfterFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathNormalizeFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathTranslateFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathNotFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathTrueFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathFalseFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathLangFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathNumberFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathSumFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathFloorFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathCeilingFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathRoundFunction(xmlXPathParserContextPtr ctxt, int nargs);
XMLPUBFUN void XMLCALL xmlXPathBooleanFunction(xmlXPathParserContextPtr ctxt, int nargs);

/**
 * Really internal functions
 */
XMLPUBFUN void XMLCALL xmlXPathNodeSetFreeNs(xmlNsPtr ns);
 
#ifdef __cplusplus
}
#endif
#endif /* ! __XML_XPATH_INTERNALS_H__ */