live "l4()P@YS hN _I|Mjq؂File not found. +lm_J2 @qn1h _I|+?/* * Summary: internal interfaces for XML Path Language implementation * Description: internal interfaces for XML Path Language implementation * used to build new modules on top of XPath like XPointer and * XSLT * * Copy: See Copyright for the status of this software. * * Author: Daniel Veillard */ #ifndef __XML_XPATH_INTERNALS_H__ #define __XML_XPATH_INTERNALS_H__ #include #include #ifdef LIBXML_XPATH_ENABLED #ifdef __cplusplus extern "C" { #endif /************************************************************************ * * * Helpers * * * ************************************************************************/ /* * Many of these macros may later turn into functions. They * shouldn't be used in #ifdef's preprocessor instructions. */ /** * xmlXPathSetError: * @ctxt: an XPath parser context * @err: an xmlXPathError code * * Raises an error. */ #define xmlXPathSetError(ctxt, err) \ { xmlXPatherror((ctxt), __FILE__, __LINE__, (err)); \ if ((ctxt) != NULL) (ctxt)->error = (err); } /** * xmlXPathSetArityError: * @ctxt: an XPath parser context * * Raises an XPATH_INVALID_ARITY error. */ #define xmlXPathSetArityError(ctxt) \ xmlXPathSetError((ctxt), XPATH_INVALID_ARITY) /** * xmlXPathSetTypeError: * @ctxt: an XPath parser context * * Raises an XPATH_INVALID_TYPE error. */ #define xmlXPathSetTypeError(ctxt) \ xmlXPathSetError((ctxt), XPATH_INVALID_TYPE) /** * xmlXPathGetError: * @ctxt: an XPath parser context * * Get the error code of an XPath context. * * Returns the context error. */ #define xmlXPathGetError(ctxt) ((ctxt)->error) /** * xmlXPathCheckError: * @ctxt: an XPath parser context * * Check if an XPath error was raised. * * Returns true if an error has been raised, false otherwise. */ #define xmlXPathCheckError(ctxt) ((ctxt)->error != XPATH_EXPRESSION_OK) /** * xmlXPathGetDocument: * @ctxt: an XPath parser context * * Get the document of an XPath context. * * Returns the context document. */ #define xmlXPathGetDocument(ctxt) ((ctxt)->context->doc) /** * xmlXPathGetContextNode: * @ctxt: an XPath parser context * * Get the context node of an XPath context. * * Returns the context node. */ #define xmlXPathGetContextNode(ctxt) ((ctxt)->context->node) XMLPUBFUN int XMLCALL xmlXPathPopBoolean (xmlXPathParserContextPtr ctxt); XMLPUBFUN double XMLCALL xmlXPathPopNumber (xmlXPathParserContextPtr ctxt); XMLPUBFUN xmlChar * XMLCALL xmlXPathPopString (xmlXPathParserContextPtr ctxt); XMLPUBFUN xmlNodeSetPtr XMLCALL xmlXPathPopNodeSet (xmlXPathParserContextPtr ctxt); XMLPUBFUN void * XMLCALL xmlXPathPopExternal (xmlXPathParserContextPtr ctxt); /** * xmlXPathReturnBoolean: * @ctxt: an XPath parser context * @val: a boolean * * Pushes the boolean @val on the context stack. */ #define xmlXPathReturnBoolean(ctxt, val) \ valuePush((ctxt), xmlXPathNewBoolean(val)) /** * xmlXPathReturnTrue: * @ctxt: an XPath parser context * * Pushes true on the context stack. */ #define xmlXPathReturnTrue(ctxt) xmlXPathReturnBoolean((ctxt), 1) /** * xmlXPathReturnFalse: * @ctxt: an XPath parser context * * Pushes false on the context stack. */ #define xmlXPathReturnFalse(ctxt) xmlXPathReturnBoolean((ctxt), 0) /** * xmlXPathReturnNumber: * @ctxt: an XPath parser context * @val: a double * * Pushes the double @val on the context stack. */ #define xmlXPathReturnNumber(ctxt, val) \ valuePush((ctxt), xmlXPathNewFloat(val)) /** * xmlXPathReturnString: * @ctxt: an XPath parser context * @str: a string * * Pushes the string @str on the context stack. */ #define xmlXPathReturnString(ctxt, str) \ valuePush((ctxt), xmlXPathWrapString(str)) /** * xmlXPathReturnEmptyString: * @ctxt: an XPath parser context * * Pus