libxml2_xpathinternals.h File Reference

Typedef xmlXPathVariableLookupFunc

typedef xmlXPathObjectPtr(*xmlXPathVariableLookupFunc

xmlXPathVariableLookupFunc: Prototype for callbacks used to plug variable lookup in the XPath engine.

Returns the XPath object value or NULL if not found.

Typedef xmlXPathFuncLookupFunc

typedef xmlXPathFunction(*xmlXPathFuncLookupFunc

xmlXPathFuncLookupFunc: Prototype for callbacks used to plug function lookup in the XPath engine.

Returns the XPath function or NULL if not found.