1 /*

     2  * Summary: internal interfaces for XML Path Language implementation

     3  * Description: internal interfaces for XML Path Language implementation

     4  *              used to build new modules on top of XPath like XPointer and

     5  *              XSLT

     6  *

     7  * Copy: See Copyright for the status of this software.

     8  *

     9  * Author: Daniel Veillard

    10  * Portion Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

    11  */

    12 

    13 /** @file

    14 @publishedAll

    15 @released

    16 */

    17 

    18 #ifndef XML_XPATH_INTERNALS_H

    19 #define XML_XPATH_INTERNALS_H

    20 

    21 #include <stdapis/libxml2/libxml2_xpath.h>

    22 

    23 #ifdef __cplusplus

    24 extern "C" {

    25 #endif

    26 

    27 

    28 /************************************************************************

    29  *                                                                      *

    30  *          Helpers                                                     *

    31  *                                                                      *

    32  ************************************************************************/

    33 

    34 /*

    35  * Many of these macros may later turn into functions. They

    36  * shouldn't be used in #ifdef's preprocessor instructions.

    37  */

    38 /**

    39  * xmlXPathSetError:

    40  * @param ctxt an XPath parser context

    41  * @param err an xmlXPathError code

    42  *

    43  * Raises an error.

    44  */

    45 #define xmlXPathSetError(ctxt, err)                 \

    46     { xmlXPatherror((ctxt), __FILE__, __LINE__, (err));         \

    47       (ctxt)->error = (err); }

    48 

    49 /**

    50  * xmlXPathSetArityError:

    51  * @param ctxt an XPath parser context

    52  *

    53  * Raises an XPATH_INVALID_ARITY error.

    54  */

    55 #define xmlXPathSetArityError(ctxt)                 \

    56     xmlXPathSetError((ctxt), XPATH_INVALID_ARITY)

    57 

    58 /**

    59  * xmlXPathSetTypeError:

    60  * @param ctxt an XPath parser context

    61  *

    62  * Raises an XPATH_INVALID_TYPE error.

    63  */

    64 #define xmlXPathSetTypeError(ctxt)                  \

    65     xmlXPathSetError((ctxt), XPATH_INVALID_TYPE)

    66 

    67 /**

    68  * xmlXPathGetError:

    69  * @param ctxt an XPath parser context

    70  *

    71  * Get the error code of an XPath context.

    72  *

    73  * Returns the context error.

    74  */

    75 #define xmlXPathGetError(ctxt)    ((ctxt)->error)

    76 

    77 /**

    78  * xmlXPathCheckError:

    79  * @param ctxt an XPath parser context

    80  *

    81  * Check if an XPath error was raised.

    82  *

    83  * Returns true if an error has been raised, false otherwise.

    84  */

    85 #define xmlXPathCheckError(ctxt)  ((ctxt)->error != XPATH_EXPRESSION_OK)

    86 

    87 /**

    88  * xmlXPathGetDocument:

    89  * @param ctxt an XPath parser context

    90  *

    91  * Get the document of an XPath context.

    92  *

    93  * Returns the context document.

    94  */

    95 #define xmlXPathGetDocument(ctxt)   ((ctxt)->context->doc)

    96 

    97 /**

    98  * xmlXPathGetContextNode:

    99  * @param ctxt an XPath parser context

   100  *

   101  * Get the context node of an XPath context.

   102  *

   103  * Returns the context node.

   104  */

   105 #define xmlXPathGetContextNode(ctxt)    ((ctxt)->context->node)

   106 

   107 XMLPUBFUN int XMLCALL

   108             xmlXPathPopBoolean  (xmlXPathParserContextPtr ctxt);

   109 XMLPUBFUN double XMLCALL

   110             xmlXPathPopNumber   (xmlXPathParserContextPtr ctxt);

   111 XMLPUBFUN xmlChar * XMLCALL

   112             xmlXPathPopString   (xmlXPathParserContextPtr ctxt);

   113 XMLPUBFUN xmlNodeSetPtr XMLCALL

   114             xmlXPathPopNodeSet  (xmlXPathParserContextPtr ctxt);

   115 XMLPUBFUN void * XMLCALL

   116             xmlXPathPopExternal (xmlXPathParserContextPtr ctxt);

   117 

   118 /**

   119  * xmlXPathReturnBoolean:

   120  * @param ctxt an XPath parser context

   121  * @param val a boolean

   122  *

   123  * Pushes the boolean val on the context stack.

   124  */

   125 #define xmlXPathReturnBoolean(ctxt, val)                \

   126     valuePush((ctxt), xmlXPathNewBoolean(val))

   127 

   128 /**

   129  * xmlXPathReturnTrue:

   130  * @param ctxt an XPath parser context

   131  *

   132  * Pushes true on the context stack.

   133  */

   134 #define xmlXPathReturnTrue(ctxt)   xmlXPathReturnBoolean((ctxt), 1)

   135 

   136 /**

   137  * xmlXPathReturnFalse:

   138  * @param ctxt an XPath parser context

   139  *

   140  * Pushes false on the context stack.

   141  */

   142 #define xmlXPathReturnFalse(ctxt)  xmlXPathReturnBoolean((ctxt), 0)

   143 

   144 /**

   145  * xmlXPathReturnNumber:

   146  * @param ctxt an XPath parser context

   147  * @param val a double

   148  *

   149  * Pushes the double val on the context stack.

   150  */

   151 #define xmlXPathReturnNumber(ctxt, val)                 \

   152     valuePush((ctxt), xmlXPathNewFloat(val))

   153 

   154 /**

   155  * xmlXPathReturnString:

   156  * @param ctxt an XPath parser context

   157  * @param str a string

   158  *

   159  * Pushes the string str on the context stack.

   160  */

   161 #define xmlXPathReturnString(ctxt, str)                 \

   162     valuePush((ctxt), xmlXPathWrapString(str))

   163 

   164 /**

   165  * xmlXPathReturnEmptyString:

   166  * @param ctxt an XPath parser context

   167  *

   168  * Pushes an empty string on the stack.

   169  */

   170 #define xmlXPathReturnEmptyString(ctxt)                 \

   171     valuePush((ctxt), xmlXPathNewCString(""))

   172 

   173 /**

   174  * xmlXPathReturnNodeSet:

   175  * @param ctxt an XPath parser context

   176  * @param ns a node-set

   177  *

   178  * Pushes the node-set ns on the context stack.

   179  */

   180 #define xmlXPathReturnNodeSet(ctxt, ns)                 \

   181     valuePush((ctxt), xmlXPathWrapNodeSet(ns))

   182 

   183 /**

   184  * xmlXPathReturnEmptyNodeSet:

   185  * @param ctxt an XPath parser context

   186  *

   187  * Pushes an empty node-set on the context stack.

   188  */

   189 #define xmlXPathReturnEmptyNodeSet(ctxt)                \

   190     valuePush((ctxt), xmlXPathNewNodeSet(NULL))

   191 

   192 /**

   193  * xmlXPathReturnExternal:

   194  * @param ctxt an XPath parser context

   195  * @param val user data

   196  *

   197  * Pushes user data on the context stack.

   198  */

   199 #define xmlXPathReturnExternal(ctxt, val)               \

   200     valuePush((ctxt), xmlXPathWrapExternal(val))

   201 

   202 /**

   203  * xmlXPathStackIsNodeSet:

   204  * @param ctxt an XPath parser context

   205  *

   206  * Check if the current value on the XPath stack is a node set or

   207  * an XSLT value tree.

   208  *

   209  * Returns true if the current object on the stack is a node-set.

   210  */

   211 #define xmlXPathStackIsNodeSet(ctxt)                    \

   212     (((ctxt)->value != NULL)                        \

   213      && (((ctxt)->value->type == XPATH_NODESET)             \

   214          || ((ctxt)->value->type == XPATH_XSLT_TREE)))

   215 

   216 /**

   217  * xmlXPathStackIsExternal:

   218  * @param ctxt an XPath parser context

   219  *

   220  * Checks if the current value on the XPath stack is an external

   221  * object.

   222  *

   223  * Returns true if the current object on the stack is an external

   224  * object.

   225  */

   226 #define xmlXPathStackIsExternal(ctxt)                   \

   227     ((ctxt->value != NULL) && (ctxt->value->type == XPATH_USERS))

   228 

   229 /**

   230  * xmlXPathEmptyNodeSet:

   231  * @param ns a node-set

   232  *

   233  * Empties a node-set.

   234  */

   235 #define xmlXPathEmptyNodeSet(ns)                    \

   236     { while ((ns)->nodeNr > 0) (ns)->nodeTab[(ns)->nodeNr--] = NULL; }

   237 

   238 /**

   239  * CHECK_ERROR:

   240  *

   241  * Macro to return from the function if an XPath error was detected.

   242  */

   243 #define CHECK_ERROR                         \

   244     if (ctxt->error != XPATH_EXPRESSION_OK) return

   245 

   246 /**

   247  * CHECK_ERROR0:

   248  *

   249  * Macro to return 0 from the function if an XPath error was detected.

   250  */

   251 #define CHECK_ERROR0                            \

   252     if (ctxt->error != XPATH_EXPRESSION_OK) return(0)

   253 

   254 /**

   255  * XP_ERROR:

   256  * @param X the error code

   257  *

   258  * Macro to raise an XPath error and return.

   259  */

   260 #define XP_ERROR(X)                         \

   261     { xmlXPathErr(ctxt, X); return; }

   262 

   263 /**

   264  * XP_ERROR0:

   265  * @param X the error code

   266  *

   267  * Macro to raise an XPath error and return 0.

   268  */

   269 #define XP_ERROR0(X)                            \

   270     { xmlXPathErr(ctxt, X); return(0); }

   271 

   272 /**

   273  * CHECK_TYPE:

   274  * @param typeval the XPath type

   275  *

   276  * Macro to check that the value on top of the XPath stack is of a given

   277  * type.

   278  */

   279 #define CHECK_TYPE(typeval)                     \

   280     if ((ctxt->value == NULL) || (ctxt->value->type != typeval))    \

   281         XP_ERROR(XPATH_INVALID_TYPE)

   282 

   283 /**

   284  * CHECK_TYPE0:

   285  * @param typeval the XPath type

   286  *

   287  * Macro to check that the value on top of the XPath stack is of a given

   288  * type. Return(0) in case of failure

   289  */

   290 #define CHECK_TYPE0(typeval)                        \

   291     if ((ctxt->value == NULL) || (ctxt->value->type != typeval))    \

   292         XP_ERROR0(XPATH_INVALID_TYPE)

   293 

   294 /**

   295  * CHECK_ARITY:

   296  * @param x the number of expected args

   297  *

   298  * Macro to check that the number of args passed to an XPath function matches.

   299  */

   300 #define CHECK_ARITY(x)                          \

   301     if (nargs != (x))                           \

   302         XP_ERROR(XPATH_INVALID_ARITY);

   303 

   304 /**

   305  * CAST_TO_STRING:

   306  *

   307  * Macro to try to cast the value on the top of the XPath stack to a string.

   308  */

   309 #define CAST_TO_STRING                          \

   310     if ((ctxt->value != NULL) && (ctxt->value->type != XPATH_STRING))   \

   311         xmlXPathStringFunction(ctxt, 1);

   312 

   313 /**

   314  * CAST_TO_NUMBER:

   315  *

   316  * Macro to try to cast the value on the top of the XPath stack to a number.

   317  */

   318 #define CAST_TO_NUMBER                          \

   319     if ((ctxt->value != NULL) && (ctxt->value->type != XPATH_NUMBER))   \

   320         xmlXPathNumberFunction(ctxt, 1);

   321 

   322 /**

   323  * CAST_TO_BOOLEAN:

   324  *

   325  * Macro to try to cast the value on the top of the XPath stack to a boolean.

   326  */

   327 #define CAST_TO_BOOLEAN                         \

   328     if ((ctxt->value != NULL) && (ctxt->value->type != XPATH_BOOLEAN))  \

   329         xmlXPathBooleanFunction(ctxt, 1);

   330 

   331 /*

   332  * Variable Lookup forwarding.

   333  */

   334 /**

   335  * xmlXPathVariableLookupFunc:

   336  * @param ctxt an XPath context

   337  * @param name name of the variable

   338  * @param ns_uri the namespace name hosting this variable

   339  *

   340  * Prototype for callbacks used to plug variable lookup in the XPath

   341  * engine.

   342  *

   343  * Returns the XPath object value or NULL if not found.

   344  */

   345 typedef xmlXPathObjectPtr (*xmlXPathVariableLookupFunc) (void *ctxt,

   346                      const xmlChar *name,

   347                      const xmlChar *ns_uri);

   348 

   349 XMLPUBFUN void XMLCALL

   350     xmlXPathRegisterVariableLookup  (xmlXPathContextPtr ctxt,

   351                      xmlXPathVariableLookupFunc f,

   352                      void *data);

   353 

   354 /*

   355  * Function Lookup forwarding.

   356  */

   357 /**

   358  * xmlXPathFuncLookupFunc:

   359  * @param ctxt an XPath context

   360  * @param name name of the function

   361  * @param ns_uri the namespace name hosting this function

   362  *

   363  * Prototype for callbacks used to plug function lookup in the XPath

   364  * engine.

   365  *

   366  * Returns the XPath function or NULL if not found.

   367  */

   368 typedef xmlXPathFunction (*xmlXPathFuncLookupFunc) (void *ctxt,

   369                      const xmlChar *name,

   370                      const xmlChar *ns_uri);

   371 

   372 XMLPUBFUN void XMLCALL

   373         xmlXPathRegisterFuncLookup  (xmlXPathContextPtr ctxt,

   374                      xmlXPathFuncLookupFunc f,

   375                      void *funcCtxt);

   376 

   377 /*

   378  * Error reporting.

   379  */

   380 

   381 

   382 // DONE: Replaced with macro

   383 #define xmlXPatherror(ctxt,file,line,no)  xmlXPathErr(ctxt, no)

   384 //XMLPUBFUN void XMLCALL

   385 //      xmlXPatherror   (xmlXPathParserContextPtr ctxt,

   386 //               const char *file,

   387 //               int line,

   388 //               int no);

   389 

   390 XMLPUBFUN void XMLCALL

   391         xmlXPathErr (xmlXPathParserContextPtr ctxt, int error);

   392 

   393 #ifdef LIBXML_DEBUG_ENABLED

   394 XMLPUBFUN void XMLCALL

   395         xmlXPathDebugDumpObject (FILE *output,

   396                      xmlXPathObjectPtr cur,

   397                      int depth);

   398 XMLPUBFUN void XMLCALL

   399         xmlXPathDebugDumpCompExpr(FILE *output,

   400                      xmlXPathCompExprPtr comp,

   401                      int depth);

   402 #endif

   403 /**

   404  * NodeSet handling.

   405  */

   406 XMLPUBFUN int XMLCALL

   407         xmlXPathNodeSetContains     (xmlNodeSetPtr cur,

   408                          xmlNodePtr val);

   409 XMLPUBFUN xmlNodeSetPtr XMLCALL

   410         xmlXPathDifference      (xmlNodeSetPtr nodes1,

   411                          xmlNodeSetPtr nodes2);

   412 XMLPUBFUN xmlNodeSetPtr XMLCALL

   413         xmlXPathIntersection        (xmlNodeSetPtr nodes1,

   414                          xmlNodeSetPtr nodes2);

   415 

   416 XMLPUBFUN xmlNodeSetPtr XMLCALL

   417         xmlXPathDistinctSorted      (xmlNodeSetPtr nodes);

   418 XMLPUBFUN xmlNodeSetPtr XMLCALL

   419         xmlXPathDistinct        (xmlNodeSetPtr nodes);

   420 

   421 XMLPUBFUN int XMLCALL

   422         xmlXPathHasSameNodes        (xmlNodeSetPtr nodes1,

   423                          xmlNodeSetPtr nodes2);

   424 

   425 XMLPUBFUN xmlNodeSetPtr XMLCALL

   426         xmlXPathNodeLeadingSorted   (xmlNodeSetPtr nodes,

   427                          xmlNodePtr node);

   428 XMLPUBFUN xmlNodeSetPtr XMLCALL

   429         xmlXPathLeadingSorted       (xmlNodeSetPtr nodes1,

   430                          xmlNodeSetPtr nodes2);

   431 XMLPUBFUN xmlNodeSetPtr XMLCALL

   432         xmlXPathNodeLeading     (xmlNodeSetPtr nodes,

   433                          xmlNodePtr node);

   434 XMLPUBFUN xmlNodeSetPtr XMLCALL

   435         xmlXPathLeading         (xmlNodeSetPtr nodes1,

   436                          xmlNodeSetPtr nodes2);

   437 

   438 XMLPUBFUN xmlNodeSetPtr XMLCALL

   439         xmlXPathNodeTrailingSorted  (xmlNodeSetPtr nodes,

   440                          xmlNodePtr node);

   441 XMLPUBFUN xmlNodeSetPtr XMLCALL

   442         xmlXPathTrailingSorted      (xmlNodeSetPtr nodes1,

   443                          xmlNodeSetPtr nodes2);

   444 XMLPUBFUN xmlNodeSetPtr XMLCALL

   445         xmlXPathNodeTrailing        (xmlNodeSetPtr nodes,

   446                          xmlNodePtr node);

   447 XMLPUBFUN xmlNodeSetPtr XMLCALL

   448         xmlXPathTrailing        (xmlNodeSetPtr nodes1,

   449                          xmlNodeSetPtr nodes2);

   450 

   451 

   452 /**

   453  * Extending a context.

   454  */

   455 

   456 XMLPUBFUN int XMLCALL

   457         xmlXPathRegisterNs      (xmlXPathContextPtr ctxt,

   458                          const xmlChar *prefix,

   459                          const xmlChar *ns_uri);

   460 XMLPUBFUN const xmlChar * XMLCALL

   461         xmlXPathNsLookup        (xmlXPathContextPtr ctxt,

   462                          const xmlChar *prefix);

   463 XMLPUBFUN void XMLCALL

   464         xmlXPathRegisteredNsCleanup (xmlXPathContextPtr ctxt);

   465 

   466 XMLPUBFUN int XMLCALL

   467         xmlXPathRegisterFunc        (xmlXPathContextPtr ctxt,

   468                          const xmlChar *name,

   469                          xmlXPathFunction f);

   470 XMLPUBFUN int XMLCALL

   471         xmlXPathRegisterFuncNS      (xmlXPathContextPtr ctxt,

   472                          const xmlChar *name,

   473                          const xmlChar *ns_uri,

   474                          xmlXPathFunction f);

   475 XMLPUBFUN int XMLCALL

   476         xmlXPathRegisterVariable    (xmlXPathContextPtr ctxt,

   477                          const xmlChar *name,

   478                          xmlXPathObjectPtr value);

   479 XMLPUBFUN int XMLCALL

   480         xmlXPathRegisterVariableNS  (xmlXPathContextPtr ctxt,

   481                          const xmlChar *name,

   482                          const xmlChar *ns_uri,

   483                          xmlXPathObjectPtr value);

   484 XMLPUBFUN xmlXPathFunction XMLCALL

   485         xmlXPathFunctionLookup      (xmlXPathContextPtr ctxt,

   486                          const xmlChar *name);

   487 XMLPUBFUN xmlXPathFunction XMLCALL

   488         xmlXPathFunctionLookupNS    (xmlXPathContextPtr ctxt,

   489                          const xmlChar *name,

   490                          const xmlChar *ns_uri);

   491 XMLPUBFUN void XMLCALL

   492         xmlXPathRegisteredFuncsCleanup  (xmlXPathContextPtr ctxt);

   493 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   494         xmlXPathVariableLookup      (xmlXPathContextPtr ctxt,

   495                          const xmlChar *name);

   496 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   497         xmlXPathVariableLookupNS    (xmlXPathContextPtr ctxt,

   498                          const xmlChar *name,

   499                          const xmlChar *ns_uri);

   500 XMLPUBFUN void XMLCALL

   501         xmlXPathRegisteredVariablesCleanup(xmlXPathContextPtr ctxt);

   502 

   503 /**

   504  * Utilities to extend XPath.

   505  */

   506 XMLPUBFUN xmlXPathParserContextPtr XMLCALL

   507         xmlXPathNewParserContext (const xmlChar *str, xmlXPathContextPtr ctxt);

   508 XMLPUBFUN void XMLCALL

   509         xmlXPathFreeParserContext(xmlXPathParserContextPtr ctxt);

   510 

   511 

   512 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   513         valuePop  (xmlXPathParserContextPtr ctxt);

   514 XMLPUBFUN int XMLCALL

   515         valuePush (xmlXPathParserContextPtr ctxt, xmlXPathObjectPtr value);

   516 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   517         xmlXPathNewString   (const xmlChar *val);

   518 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   519         xmlXPathNewCString  (const char *val);

   520 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   521         xmlXPathWrapString  (xmlChar *val);

   522 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   523         xmlXPathWrapCString (char * val);

   524 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   525         xmlXPathNewFloat    (double val);

   526 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   527         xmlXPathNewBoolean  (int val);

   528 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   529         xmlXPathNewNodeSet  (xmlNodePtr val);

   530 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   531         xmlXPathNewValueTree(xmlNodePtr val);

   532 XMLPUBFUN void XMLCALL

   533         xmlXPathNodeSetAdd  (xmlNodeSetPtr cur, xmlNodePtr val);

   534 XMLPUBFUN void XMLCALL

   535         xmlXPathNodeSetAddUnique(xmlNodeSetPtr cur, xmlNodePtr val);

   536 XMLPUBFUN void XMLCALL

   537         xmlXPathNodeSetAddNs(xmlNodeSetPtr cur, xmlNodePtr node, xmlNsPtr ns);

   538 XMLPUBFUN void XMLCALL

   539         xmlXPathNodeSetSort (xmlNodeSetPtr set);

   540 XMLPUBFUN void XMLCALL

   541         xmlXPathRoot        (xmlXPathParserContextPtr ctxt);

   542 XMLPUBFUN void XMLCALL

   543         xmlXPathEvalExpr    (xmlXPathParserContextPtr ctxt);

   544 XMLPUBFUN xmlChar * XMLCALL

   545         xmlXPathParseName   (xmlXPathParserContextPtr ctxt);

   546 XMLPUBFUN xmlChar * XMLCALL

   547         xmlXPathParseNCName (xmlXPathParserContextPtr ctxt);

   548 

   549 /*

   550  * Existing functions.

   551  */

   552 XMLPUBFUN double XMLCALL

   553         xmlXPathStringEvalNumber (const xmlChar *str);

   554 XMLPUBFUN int XMLCALL

   555         xmlXPathEvaluatePredicateResult (xmlXPathParserContextPtr ctxt, xmlXPathObjectPtr res);

   556 XMLPUBFUN void XMLCALL

   557         xmlXPathRegisterAllFunctions(xmlXPathContextPtr ctxt);

   558 XMLPUBFUN xmlNodeSetPtr XMLCALL

   559         xmlXPathNodeSetMerge        (xmlNodeSetPtr val1, xmlNodeSetPtr val2);

   560 XMLPUBFUN void XMLCALL

   561         xmlXPathNodeSetDel          (xmlNodeSetPtr cur, xmlNodePtr val);

   562 XMLPUBFUN void XMLCALL

   563         xmlXPathNodeSetRemove       (xmlNodeSetPtr cur, int val);

   564 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   565         xmlXPathNewNodeSetList      (xmlNodeSetPtr val);

   566 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   567         xmlXPathWrapNodeSet         (xmlNodeSetPtr val);

   568 XMLPUBFUN xmlXPathObjectPtr XMLCALL

   569         xmlXPathWrapExternal        (void *val);

   570 

   571 XMLPUBFUN int  XMLCALL xmlXPathEqualValues(xmlXPathParserContextPtr ctxt);

   572 XMLPUBFUN int  XMLCALL xmlXPathNotEqualValues(xmlXPathParserContextPtr ctxt);

   573 XMLPUBFUN int  XMLCALL xmlXPathCompareValues(xmlXPathParserContextPtr ctxt, int inf, int strict);

   574 XMLPUBFUN void XMLCALL xmlXPathValueFlipSign(xmlXPathParserContextPtr ctxt);

   575 XMLPUBFUN void XMLCALL xmlXPathAddValues(xmlXPathParserContextPtr ctxt);

   576 XMLPUBFUN void XMLCALL xmlXPathSubValues(xmlXPathParserContextPtr ctxt);

   577 XMLPUBFUN void XMLCALL xmlXPathMultValues(xmlXPathParserContextPtr ctxt);

   578 XMLPUBFUN void XMLCALL xmlXPathDivValues(xmlXPathParserContextPtr ctxt);

   579 XMLPUBFUN void XMLCALL xmlXPathModValues(xmlXPathParserContextPtr ctxt);

   580 

   581 XMLPUBFUN int XMLCALL xmlXPathIsNodeType(const xmlChar *name);

   582 

   583 /*

   584  * Some of the axis navigation routines.

   585  */

   586 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextSelf(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   587 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextChild(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   588 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextDescendant(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   589 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextDescendantOrSelf(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   590 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextParent(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   591 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextAncestorOrSelf(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   592 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextFollowingSibling(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   593 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextFollowing(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   594 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextNamespace(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   595 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextAttribute(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   596 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextPreceding(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   597 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextAncestor(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   598 XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextPrecedingSibling(xmlXPathParserContextPtr ctxt, xmlNodePtr cur);

   599 /*

   600  * The official core of XPath functions.

   601  */

   602 XMLPUBFUN void XMLCALL xmlXPathLastFunction(xmlXPathParserContextPtr ctxt, int nargs);

   603 XMLPUBFUN void XMLCALL xmlXPathPositionFunction(xmlXPathParserContextPtr ctxt, int nargs);

   604 XMLPUBFUN void XMLCALL xmlXPathCountFunction(xmlXPathParserContextPtr ctxt, int nargs);

   605 XMLPUBFUN void XMLCALL xmlXPathIdFunction(xmlXPathParserContextPtr ctxt, int nargs);

   606 XMLPUBFUN void XMLCALL xmlXPathLocalNameFunction(xmlXPathParserContextPtr ctxt, int nargs);

   607 XMLPUBFUN void XMLCALL xmlXPathNamespaceURIFunction(xmlXPathParserContextPtr ctxt, int nargs);

   608 XMLPUBFUN void XMLCALL xmlXPathStringFunction(xmlXPathParserContextPtr ctxt, int nargs);

   609 XMLPUBFUN void XMLCALL xmlXPathStringLengthFunction(xmlXPathParserContextPtr ctxt, int nargs);

   610 XMLPUBFUN void XMLCALL xmlXPathConcatFunction(xmlXPathParserContextPtr ctxt, int nargs);

   611 XMLPUBFUN void XMLCALL xmlXPathContainsFunction(xmlXPathParserContextPtr ctxt, int nargs);

   612 XMLPUBFUN void XMLCALL xmlXPathStartsWithFunction(xmlXPathParserContextPtr ctxt, int nargs);

   613 XMLPUBFUN void XMLCALL xmlXPathSubstringFunction(xmlXPathParserContextPtr ctxt, int nargs);

   614 XMLPUBFUN void XMLCALL xmlXPathSubstringBeforeFunction(xmlXPathParserContextPtr ctxt, int nargs);

   615 XMLPUBFUN void XMLCALL xmlXPathSubstringAfterFunction(xmlXPathParserContextPtr ctxt, int nargs);

   616 XMLPUBFUN void XMLCALL xmlXPathNormalizeFunction(xmlXPathParserContextPtr ctxt, int nargs);

   617 XMLPUBFUN void XMLCALL xmlXPathTranslateFunction(xmlXPathParserContextPtr ctxt, int nargs);

   618 XMLPUBFUN void XMLCALL xmlXPathNotFunction(xmlXPathParserContextPtr ctxt, int nargs);

   619 XMLPUBFUN void XMLCALL xmlXPathTrueFunction(xmlXPathParserContextPtr ctxt, int nargs);

   620 XMLPUBFUN void XMLCALL xmlXPathFalseFunction(xmlXPathParserContextPtr ctxt, int nargs);

   621 XMLPUBFUN void XMLCALL xmlXPathLangFunction(xmlXPathParserContextPtr ctxt, int nargs);

   622 XMLPUBFUN void XMLCALL xmlXPathNumberFunction(xmlXPathParserContextPtr ctxt, int nargs);

   623 XMLPUBFUN void XMLCALL xmlXPathSumFunction(xmlXPathParserContextPtr ctxt, int nargs);

   624 XMLPUBFUN void XMLCALL xmlXPathFloorFunction(xmlXPathParserContextPtr ctxt, int nargs);

   625 XMLPUBFUN void XMLCALL xmlXPathCeilingFunction(xmlXPathParserContextPtr ctxt, int nargs);

   626 XMLPUBFUN void XMLCALL xmlXPathRoundFunction(xmlXPathParserContextPtr ctxt, int nargs);

   627 XMLPUBFUN void XMLCALL xmlXPathBooleanFunction(xmlXPathParserContextPtr ctxt, int nargs);

   628 

   629 /**

   630  * Really internal functions

   631  */

   632 XMLPUBFUN void XMLCALL xmlXPathNodeSetFreeNs(xmlNsPtr ns);

   633 

   634 // XMLENGINE: NEW CODE -- XForms extensions support

   635 void addNodeSetsFromStackToDependencyList(xmlXPathParserContextPtr ctxt, int nargs);

   636 // END NEW CODE

   637 

   638 #ifdef __cplusplus

   639 }

   640 #endif

   641 #endif /* XML_XPATH_INTERNALS_H */

   642