plugins folders renaming

git-svn-id: http://svn.miranda-ng.org/main/trunk@60 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 580 insertions, 0 deletions

diff --git a/plugins/Variables/libxml/xpathInternals.h b/plugins/Variables/libxml/xpathInternals.h
new file mode 100644
index 0000000000..59a4e35d53
--- /dev/null
+++ b/plugins/Variables/libxml/xpathInternals.h
@@ -0,0 +1,580 @@
+/*
+ * xpathInternals.c: internal interfaces for XML Path Language implementation
+ *                   used to build new modules on top of XPath
+ *
+ * See COPYRIGHT for the status of this software
+ *
+ * Author: daniel@veillard.com
+ */
+
+#ifndef __XML_XPATH_INTERNALS_H__
+#define __XML_XPATH_INTERNALS_H__
+
+#include <libxml/xmlversion.h>
+#include <libxml/xpath.h>
+
+#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));			\
+      (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)
+
+int		xmlXPathPopBoolean	(xmlXPathParserContextPtr ctxt);
+double		xmlXPathPopNumber	(xmlXPathParserContextPtr ctxt);
+xmlChar *	xmlXPathPopString	(xmlXPathParserContextPtr ctxt);
+xmlNodeSetPtr	xmlXPathPopNodeSet	(xmlXPathParserContextPtr ctxt);
+void *		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
+ *
+ * Pushes an empty string on the stack.
+ */
+#define xmlXPathReturnEmptyString(ctxt)					\
+    valuePush((ctxt), xmlXPathNewCString(""))
+
+/**
+ * xmlXPathReturnNodeSet:
+ * @ctxt:  an XPath parser context
+ * @ns:  a node-set
+ *
+ * Pushes the node-set @ns on the context stack.
+ */
+#define xmlXPathReturnNodeSet(ctxt, ns)					\
+    valuePush((ctxt), xmlXPathWrapNodeSet(ns))
+
+/**
+ * xmlXPathReturnEmptyNodeSet:
+ * @ctxt:  an XPath parser context
+ *
+ * Pushes an empty node-set on the context stack.
+ */
+#define xmlXPathReturnEmptyNodeSet(ctxt)				\
+    valuePush((ctxt), xmlXPathNewNodeSet(NULL))
+
+/**
+ * xmlXPathReturnExternal:
+ * @ctxt:  an XPath parser context
+ * @val:  user data
+ *
+ * Pushes user data on the context stack.
+ */
+#define xmlXPathReturnExternal(ctxt, val)				\
+    valuePush((ctxt), xmlXPathWrapExternal(val))
+
+/**
+ * xmlXPathStackIsNodeSet:
+ * @ctxt: an XPath parser context
+ *
+ * Check if the current value on the XPath stack is a node set or
+ * an XSLT value tree.
+ *
+ * Returns true if the current object on the stack is a node-set.
+ */
+#define xmlXPathStackIsNodeSet(ctxt)					\
+    (((ctxt)->value != NULL)						\
+     && (((ctxt)->value->type == XPATH_NODESET)				\
+         || ((ctxt)->value->type == XPATH_XSLT_TREE)))
+
+/**
+ * xmlXPathStackIsExternal:
+ * @ctxt: an XPath parser context
+ *
+ * Checks if the current value on the XPath stack is an external
+ * object.
+ *
+ * Returns true if the current object on the stack is an external
+ * object.
+ */
+#define xmlXPathStackIsExternal(ctxt)					\
+	((ctxt->value != NULL) && (ctxt->value->type == XPATH_USERS))
+
+/**
+ * xmlXPathEmptyNodeSet:
+ * @ns:  a node-set
+ *
+ * Empties a node-set.
+ */
+#define xmlXPathEmptyNodeSet(ns)					\
+    { while ((ns)->nodeNr > 0) (ns)->nodeTab[(ns)->nodeNr--] = NULL; }
+
+/**
+ * CHECK_ERROR:
+ *
+ * Macro to return from the function if an XPath error was detected.
+ */
+#define CHECK_ERROR							\
+    if (ctxt->error != XPATH_EXPRESSION_OK) return
+
+/**
+ * CHECK_ERROR0:
+ *
+ * Macro to return 0 from the function if an XPath error was detected.
+ */
+#define CHECK_ERROR0							\
+    if (ctxt->error != XPATH_EXPRESSION_OK) return(0)
+
+/**
+ * XP_ERROR:
+ * @X:  the error code
+ *
+ * Macro to raise an XPath error and return.
+ */
+#define XP_ERROR(X)							\
+    { xmlXPatherror(ctxt, __FILE__, __LINE__, X);			\
+      ctxt->error = (X); return; }
+
+/**
+ * XP_ERROR0:
+ * @X:  the error code
+ *
+ * Macro to raise an XPath error and return 0.
+ */
+#define XP_ERROR0(X)							\
+    { xmlXPatherror(ctxt, __FILE__, __LINE__, X);			\
+      ctxt->error = (X); return(0); }
+
+/**
+ * CHECK_TYPE:
+ * @typeval:  the XPath type
+ *
+ * Macro to check that the value on top of the XPath stack is of a given
+ * type.
+ */
+#define CHECK_TYPE(typeval)						\
+    if ((ctxt->value == NULL) || (ctxt->value->type != typeval))	\
+        XP_ERROR(XPATH_INVALID_TYPE)
+
+/**
+ * CHECK_TYPE0:
+ * @typeval:  the XPath type
+ *
+ * Macro to check that the value on top of the XPath stack is of a given
+ * type. Return(0) in case of failure
+ */
+#define CHECK_TYPE0(typeval)						\
+    if ((ctxt->value == NULL) || (ctxt->value->type != typeval))	\
+        XP_ERROR0(XPATH_INVALID_TYPE)
+
+/**
+ * CHECK_ARITY:
+ * @x:  the number of expected args
+ *
+ * Macro to check that the number of args passed to an XPath function matches.
+ */
+#define CHECK_ARITY(x)							\
+    if (nargs != (x))							\
+        XP_ERROR(XPATH_INVALID_ARITY);
+
+/**
+ * CAST_TO_STRING:
+ *
+ * Macro to try to cast the value on the top of the XPath stack to a string.
+ */
+#define CAST_TO_STRING							\
+    if ((ctxt->value != NULL) && (ctxt->value->type != XPATH_STRING))	\
+        xmlXPathStringFunction(ctxt, 1);
+
+/**
+ * CAST_TO_NUMBER:
+ *
+ * Macro to try to cast the value on the top of the XPath stack to a number.
+ */
+#define CAST_TO_NUMBER							\
+    if ((ctxt->value != NULL) && (ctxt->value->type != XPATH_NUMBER))	\
+        xmlXPathNumberFunction(ctxt, 1);
+
+/**
+ * CAST_TO_BOOLEAN:
+ *
+ * Macro to try to cast the value on the top of the XPath stack to a boolean.
+ */
+#define CAST_TO_BOOLEAN							\
+    if ((ctxt->value != NULL) && (ctxt->value->type != XPATH_BOOLEAN))	\
+        xmlXPathBooleanFunction(ctxt, 1);
+
+/*
+ * Variable Lookup forwarding.
+ */
+/**
+ * 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);
+
+void	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);
+
+void	xmlXPathRegisterFuncLookup	(xmlXPathContextPtr ctxt,
+					 xmlXPathFuncLookupFunc f,
+					 void *funcCtxt);
+
+/*
+ * Error reporting.
+ */
+void		xmlXPatherror	(xmlXPathParserContextPtr ctxt,
+				 const char *file,
+				 int line,
+				 int no);
+
+void		xmlXPathDebugDumpObject	(FILE *output,
+					 xmlXPathObjectPtr cur,
+					 int depth);
+void		xmlXPathDebugDumpCompExpr(FILE *output,
+					 xmlXPathCompExprPtr comp,
+					 int depth);
+
+/**
+ * NodeSet handling.
+ */
+int		xmlXPathNodeSetContains		(xmlNodeSetPtr cur,
+						 xmlNodePtr val);
+xmlNodeSetPtr	xmlXPathDifference		(xmlNodeSetPtr nodes1,
+						 xmlNodeSetPtr nodes2);
+xmlNodeSetPtr	xmlXPathIntersection		(xmlNodeSetPtr nodes1,
+						 xmlNodeSetPtr nodes2);
+
+xmlNodeSetPtr	xmlXPathDistinctSorted		(xmlNodeSetPtr nodes);
+xmlNodeSetPtr	xmlXPathDistinct		(xmlNodeSetPtr nodes);
+
+int		xmlXPathHasSameNodes		(xmlNodeSetPtr nodes1,
+						 xmlNodeSetPtr nodes2);
+
+xmlNodeSetPtr	xmlXPathNodeLeadingSorted	(xmlNodeSetPtr nodes,
+						 xmlNodePtr node);
+xmlNodeSetPtr	xmlXPathLeadingSorted		(xmlNodeSetPtr nodes1,
+						 xmlNodeSetPtr nodes2);
+xmlNodeSetPtr	xmlXPathNodeLeading		(xmlNodeSetPtr nodes,
+						 xmlNodePtr node);
+xmlNodeSetPtr	xmlXPathLeading			(xmlNodeSetPtr nodes1,
+						 xmlNodeSetPtr nodes2);
+
+xmlNodeSetPtr	xmlXPathNodeTrailingSorted	(xmlNodeSetPtr nodes,
+						 xmlNodePtr node);
+xmlNodeSetPtr	xmlXPathTrailingSorted		(xmlNodeSetPtr nodes1,
+						 xmlNodeSetPtr nodes2);
+xmlNodeSetPtr	xmlXPathNodeTrailing		(xmlNodeSetPtr nodes,
+						 xmlNodePtr node);
+xmlNodeSetPtr	xmlXPathTrailing		(xmlNodeSetPtr nodes1,
+						 xmlNodeSetPtr nodes2);
+
+
+/**
+ * Extending a context.
+ */
+
+int		   xmlXPathRegisterNs		(xmlXPathContextPtr ctxt,
+						 const xmlChar *prefix,
+						 const xmlChar *ns_uri);
+const xmlChar *	   xmlXPathNsLookup		(xmlXPathContextPtr ctxt,
+						 const xmlChar *prefix);
+void		   xmlXPathRegisteredNsCleanup	(xmlXPathContextPtr ctxt);
+
+int		   xmlXPathRegisterFunc		(xmlXPathContextPtr ctxt,
+						 const xmlChar *name,
+						 xmlXPathFunction f);
+int		   xmlXPathRegisterFuncNS	(xmlXPathContextPtr ctxt,
+						 const xmlChar *name,
+						 const xmlChar *ns_uri,
+						 xmlXPathFunction f);
+int		   xmlXPathRegisterVariable	(xmlXPathContextPtr ctxt,
+						 const xmlChar *name,
+						 xmlXPathObjectPtr value);
+int		   xmlXPathRegisterVariableNS	(xmlXPathContextPtr ctxt,
+						 const xmlChar *name,
+						 const xmlChar *ns_uri,
+						 xmlXPathObjectPtr value);
+xmlXPathFunction   xmlXPathFunctionLookup	(xmlXPathContextPtr ctxt,
+						 const xmlChar *name);
+xmlXPathFunction   xmlXPathFunctionLookupNS	(xmlXPathContextPtr ctxt,
+						 const xmlChar *name,
+						 const xmlChar *ns_uri);
+void		   xmlXPathRegisteredFuncsCleanup(xmlXPathContextPtr ctxt);
+xmlXPathObjectPtr  xmlXPathVariableLookup	(xmlXPathContextPtr ctxt,
+						 const xmlChar *name);
+xmlXPathObjectPtr  xmlXPathVariableLookupNS	(xmlXPathContextPtr ctxt,
+						 const xmlChar *name,
+						 const xmlChar *ns_uri);
+void		   xmlXPathRegisteredVariablesCleanup(xmlXPathContextPtr ctxt);
+
+/**
+ * Utilities to extend XPath.
+ */
+xmlXPathParserContextPtr
+		  xmlXPathNewParserContext	(const xmlChar *str,
+			  			 xmlXPathContextPtr ctxt);
+void		  xmlXPathFreeParserContext	(xmlXPathParserContextPtr ctxt);
+
+/* TODO: remap to xmlXPathValuePop and Push. */
+xmlXPathObjectPtr valuePop			(xmlXPathParserContextPtr ctxt);
+int		  valuePush			(xmlXPathParserContextPtr ctxt,
+					 	xmlXPathObjectPtr value);
+
+xmlXPathObjectPtr xmlXPathNewString		(const xmlChar *val);
+xmlXPathObjectPtr xmlXPathNewCString		(const char *val);
+xmlXPathObjectPtr xmlXPathWrapString		(xmlChar *val);
+xmlXPathObjectPtr xmlXPathWrapCString		(char * val);
+xmlXPathObjectPtr xmlXPathNewFloat		(double val);
+xmlXPathObjectPtr xmlXPathNewBoolean		(int val);
+xmlXPathObjectPtr xmlXPathNewNodeSet		(xmlNodePtr val);
+xmlXPathObjectPtr xmlXPathNewValueTree		(xmlNodePtr val);
+void		  xmlXPathNodeSetAdd		(xmlNodeSetPtr cur,
+						 xmlNodePtr val);
+void              xmlXPathNodeSetAddUnique	(xmlNodeSetPtr cur,
+						 xmlNodePtr val);
+void		  xmlXPathNodeSetAddNs		(xmlNodeSetPtr cur, 
+						 xmlNodePtr node, 
+						 xmlNsPtr ns);
+void              xmlXPathNodeSetSort		(xmlNodeSetPtr set);
+
+void		  xmlXPathRoot			(xmlXPathParserContextPtr ctxt);
+void		  xmlXPathEvalExpr		(xmlXPathParserContextPtr ctxt);
+xmlChar *	  xmlXPathParseName		(xmlXPathParserContextPtr ctxt);
+xmlChar *	  xmlXPathParseNCName		(xmlXPathParserContextPtr ctxt);
+
+/*
+ * Existing functions.
+ */
+double xmlXPathStringEvalNumber(const xmlChar *str);
+int xmlXPathEvaluatePredicateResult(xmlXPathParserContextPtr ctxt, 
+                                    xmlXPathObjectPtr res);
+void xmlXPathRegisterAllFunctions(xmlXPathContextPtr ctxt);
+xmlNodeSetPtr xmlXPathNodeSetMerge(xmlNodeSetPtr val1, xmlNodeSetPtr val2);
+void xmlXPathNodeSetDel(xmlNodeSetPtr cur, xmlNodePtr val);
+void xmlXPathNodeSetRemove(xmlNodeSetPtr cur, int val);
+xmlXPathObjectPtr xmlXPathNewNodeSetList(xmlNodeSetPtr val);
+xmlXPathObjectPtr xmlXPathWrapNodeSet(xmlNodeSetPtr val);
+xmlXPathObjectPtr xmlXPathWrapExternal(void *val);
+
+int xmlXPathEqualValues(xmlXPathParserContextPtr ctxt);
+int xmlXPathNotEqualValues(xmlXPathParserContextPtr ctxt);
+int xmlXPathCompareValues(xmlXPathParserContextPtr ctxt, int inf, int strict);
+void xmlXPathValueFlipSign(xmlXPathParserContextPtr ctxt);
+void xmlXPathAddValues(xmlXPathParserContextPtr ctxt);
+void xmlXPathSubValues(xmlXPathParserContextPtr ctxt);
+void xmlXPathMultValues(xmlXPathParserContextPtr ctxt);
+void xmlXPathDivValues(xmlXPathParserContextPtr ctxt);
+void xmlXPathModValues(xmlXPathParserContextPtr ctxt);
+
+int xmlXPathIsNodeType(const xmlChar *name);
+
+/*
+ * Some of the axis navigation routines.
+ */
+xmlNodePtr xmlXPathNextSelf(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextChild(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextDescendant(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextDescendantOrSelf(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextParent(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextAncestorOrSelf(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextFollowingSibling(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextFollowing(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextNamespace(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextAttribute(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextPreceding(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextAncestor(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+xmlNodePtr xmlXPathNextPrecedingSibling(xmlXPathParserContextPtr ctxt,
+			xmlNodePtr cur);
+/*
+ * The official core of XPath functions.
+ */
+void xmlXPathLastFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathPositionFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathCountFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathIdFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathLocalNameFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathNamespaceURIFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathStringFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathStringLengthFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathConcatFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathContainsFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathStartsWithFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathSubstringFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathSubstringBeforeFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathSubstringAfterFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathNormalizeFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathTranslateFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathNotFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathTrueFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathFalseFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathLangFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathNumberFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathSumFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathFloorFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathCeilingFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathRoundFunction(xmlXPathParserContextPtr ctxt, int nargs);
+void xmlXPathBooleanFunction(xmlXPathParserContextPtr ctxt, int nargs);
+
+/**
+ * Really internal functions
+ */
+void xmlXPathNodeSetFreeNs(xmlNsPtr ns);
+ 
+#ifdef __cplusplus
+}
+#endif
+#endif /* ! __XML_XPATH_INTERNALS_H__ */