ReactOS 0.4.15-dev-7934-g1dc8d80
xpathInternals.h
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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 */
11
12#ifndef __XML_XPATH_INTERNALS_H__
13#define __XML_XPATH_INTERNALS_H__
14
15#include <libxml/xmlversion.h>
16#include <libxml/xpath.h>
17
18#ifdef LIBXML_XPATH_ENABLED
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24/************************************************************************
25 * *
26 * Helpers *
27 * *
28 ************************************************************************/
29
30/*
31 * Many of these macros may later turn into functions. They
32 * shouldn't be used in #ifdef's preprocessor instructions.
33 */
41#define xmlXPathSetError(ctxt, err) \
42 { xmlXPatherror((ctxt), __FILE__, __LINE__, (err)); \
43 if ((ctxt) != NULL) (ctxt)->error = (err); }
44
51#define xmlXPathSetArityError(ctxt) \
52 xmlXPathSetError((ctxt), XPATH_INVALID_ARITY)
53
60#define xmlXPathSetTypeError(ctxt) \
61 xmlXPathSetError((ctxt), XPATH_INVALID_TYPE)
62
71#define xmlXPathGetError(ctxt) ((ctxt)->error)
72
81#define xmlXPathCheckError(ctxt) ((ctxt)->error != XPATH_EXPRESSION_OK)
82
91#define xmlXPathGetDocument(ctxt) ((ctxt)->context->doc)
92
101#define xmlXPathGetContextNode(ctxt) ((ctxt)->context->node)
102
103XMLPUBFUN int XMLCALL
104 xmlXPathPopBoolean (xmlXPathParserContextPtr ctxt);
105XMLPUBFUN double XMLCALL
106 xmlXPathPopNumber (xmlXPathParserContextPtr ctxt);
107XMLPUBFUN xmlChar * XMLCALL
108 xmlXPathPopString (xmlXPathParserContextPtr ctxt);
109XMLPUBFUN xmlNodeSetPtr XMLCALL
110 xmlXPathPopNodeSet (xmlXPathParserContextPtr ctxt);
111XMLPUBFUN void * XMLCALL
112 xmlXPathPopExternal (xmlXPathParserContextPtr ctxt);
113
121#define xmlXPathReturnBoolean(ctxt, val) \
122 valuePush((ctxt), xmlXPathNewBoolean(val))
123
130#define xmlXPathReturnTrue(ctxt) xmlXPathReturnBoolean((ctxt), 1)
131
138#define xmlXPathReturnFalse(ctxt) xmlXPathReturnBoolean((ctxt), 0)
139
147#define xmlXPathReturnNumber(ctxt, val) \
148 valuePush((ctxt), xmlXPathNewFloat(val))
149
157#define xmlXPathReturnString(ctxt, str) \
158 valuePush((ctxt), xmlXPathWrapString(str))
159
166#define xmlXPathReturnEmptyString(ctxt) \
167 valuePush((ctxt), xmlXPathNewCString(""))
168
176#define xmlXPathReturnNodeSet(ctxt, ns) \
177 valuePush((ctxt), xmlXPathWrapNodeSet(ns))
178
185#define xmlXPathReturnEmptyNodeSet(ctxt) \
186 valuePush((ctxt), xmlXPathNewNodeSet(NULL))
187
195#define xmlXPathReturnExternal(ctxt, val) \
196 valuePush((ctxt), xmlXPathWrapExternal(val))
197
207#define xmlXPathStackIsNodeSet(ctxt) \
208 (((ctxt)->value != NULL) \
209 && (((ctxt)->value->type == XPATH_NODESET) \
210 || ((ctxt)->value->type == XPATH_XSLT_TREE)))
211
222#define xmlXPathStackIsExternal(ctxt) \
223 ((ctxt->value != NULL) && (ctxt->value->type == XPATH_USERS))
224
231#define xmlXPathEmptyNodeSet(ns) \
232 { while ((ns)->nodeNr > 0) (ns)->nodeTab[--(ns)->nodeNr] = NULL; }
233
239#define CHECK_ERROR \
240 if (ctxt->error != XPATH_EXPRESSION_OK) return
241
247#define CHECK_ERROR0 \
248 if (ctxt->error != XPATH_EXPRESSION_OK) return(0)
249
256#define XP_ERROR(X) \
257 { xmlXPathErr(ctxt, X); return; }
258
265#define XP_ERROR0(X) \
266 { xmlXPathErr(ctxt, X); return(0); }
267
275#define CHECK_TYPE(typeval) \
276 if ((ctxt->value == NULL) || (ctxt->value->type != typeval)) \
277 XP_ERROR(XPATH_INVALID_TYPE)
278
286#define CHECK_TYPE0(typeval) \
287 if ((ctxt->value == NULL) || (ctxt->value->type != typeval)) \
288 XP_ERROR0(XPATH_INVALID_TYPE)
289
296#define CHECK_ARITY(x) \
297 if (ctxt == NULL) return; \
298 if (nargs != (x)) \
299 XP_ERROR(XPATH_INVALID_ARITY); \
300 if (ctxt->valueNr < ctxt->valueFrame + (x)) \
301 XP_ERROR(XPATH_STACK_ERROR);
302
308#define CAST_TO_STRING \
309 if ((ctxt->value != NULL) && (ctxt->value->type != XPATH_STRING)) \
310 xmlXPathStringFunction(ctxt, 1);
311
317#define CAST_TO_NUMBER \
318 if ((ctxt->value != NULL) && (ctxt->value->type != XPATH_NUMBER)) \
319 xmlXPathNumberFunction(ctxt, 1);
320
326#define CAST_TO_BOOLEAN \
327 if ((ctxt->value != NULL) && (ctxt->value->type != XPATH_BOOLEAN)) \
328 xmlXPathBooleanFunction(ctxt, 1);
329
330/*
331 * Variable Lookup forwarding.
332 */
333
334XMLPUBFUN void XMLCALL
335 xmlXPathRegisterVariableLookup (xmlXPathContextPtr ctxt,
336 xmlXPathVariableLookupFunc f,
337 void *data);
338
339/*
340 * Function Lookup forwarding.
341 */
342
343XMLPUBFUN void XMLCALL
344 xmlXPathRegisterFuncLookup (xmlXPathContextPtr ctxt,
345 xmlXPathFuncLookupFunc f,
346 void *funcCtxt);
347
348/*
349 * Error reporting.
350 */
351XMLPUBFUN void XMLCALL
352 xmlXPatherror (xmlXPathParserContextPtr ctxt,
353 const char *file,
354 int line,
355 int no);
356
357XMLPUBFUN void XMLCALL
358 xmlXPathErr (xmlXPathParserContextPtr ctxt,
359 int error);
360
361#ifdef LIBXML_DEBUG_ENABLED
362XMLPUBFUN void XMLCALL
363 xmlXPathDebugDumpObject (FILE *output,
364 xmlXPathObjectPtr cur,
365 int depth);
366XMLPUBFUN void XMLCALL
367 xmlXPathDebugDumpCompExpr(FILE *output,
368 xmlXPathCompExprPtr comp,
369 int depth);
370#endif
374XMLPUBFUN int XMLCALL
375 xmlXPathNodeSetContains (xmlNodeSetPtr cur,
376 xmlNodePtr val);
377XMLPUBFUN xmlNodeSetPtr XMLCALL
378 xmlXPathDifference (xmlNodeSetPtr nodes1,
379 xmlNodeSetPtr nodes2);
380XMLPUBFUN xmlNodeSetPtr XMLCALL
381 xmlXPathIntersection (xmlNodeSetPtr nodes1,
382 xmlNodeSetPtr nodes2);
383
384XMLPUBFUN xmlNodeSetPtr XMLCALL
385 xmlXPathDistinctSorted (xmlNodeSetPtr nodes);
386XMLPUBFUN xmlNodeSetPtr XMLCALL
387 xmlXPathDistinct (xmlNodeSetPtr nodes);
388
389XMLPUBFUN int XMLCALL
390 xmlXPathHasSameNodes (xmlNodeSetPtr nodes1,
391 xmlNodeSetPtr nodes2);
392
393XMLPUBFUN xmlNodeSetPtr XMLCALL
394 xmlXPathNodeLeadingSorted (xmlNodeSetPtr nodes,
395 xmlNodePtr node);
396XMLPUBFUN xmlNodeSetPtr XMLCALL
397 xmlXPathLeadingSorted (xmlNodeSetPtr nodes1,
398 xmlNodeSetPtr nodes2);
399XMLPUBFUN xmlNodeSetPtr XMLCALL
400 xmlXPathNodeLeading (xmlNodeSetPtr nodes,
401 xmlNodePtr node);
402XMLPUBFUN xmlNodeSetPtr XMLCALL
403 xmlXPathLeading (xmlNodeSetPtr nodes1,
404 xmlNodeSetPtr nodes2);
405
406XMLPUBFUN xmlNodeSetPtr XMLCALL
407 xmlXPathNodeTrailingSorted (xmlNodeSetPtr nodes,
408 xmlNodePtr node);
409XMLPUBFUN xmlNodeSetPtr XMLCALL
410 xmlXPathTrailingSorted (xmlNodeSetPtr nodes1,
411 xmlNodeSetPtr nodes2);
412XMLPUBFUN xmlNodeSetPtr XMLCALL
413 xmlXPathNodeTrailing (xmlNodeSetPtr nodes,
414 xmlNodePtr node);
415XMLPUBFUN xmlNodeSetPtr XMLCALL
416 xmlXPathTrailing (xmlNodeSetPtr nodes1,
417 xmlNodeSetPtr nodes2);
418
419
424XMLPUBFUN int XMLCALL
425 xmlXPathRegisterNs (xmlXPathContextPtr ctxt,
426 const xmlChar *prefix,
427 const xmlChar *ns_uri);
428XMLPUBFUN const xmlChar * XMLCALL
429 xmlXPathNsLookup (xmlXPathContextPtr ctxt,
430 const xmlChar *prefix);
431XMLPUBFUN void XMLCALL
432 xmlXPathRegisteredNsCleanup (xmlXPathContextPtr ctxt);
433
434XMLPUBFUN int XMLCALL
435 xmlXPathRegisterFunc (xmlXPathContextPtr ctxt,
436 const xmlChar *name,
437 xmlXPathFunction f);
438XMLPUBFUN int XMLCALL
439 xmlXPathRegisterFuncNS (xmlXPathContextPtr ctxt,
440 const xmlChar *name,
441 const xmlChar *ns_uri,
442 xmlXPathFunction f);
443XMLPUBFUN int XMLCALL
444 xmlXPathRegisterVariable (xmlXPathContextPtr ctxt,
445 const xmlChar *name,
446 xmlXPathObjectPtr value);
447XMLPUBFUN int XMLCALL
448 xmlXPathRegisterVariableNS (xmlXPathContextPtr ctxt,
449 const xmlChar *name,
450 const xmlChar *ns_uri,
451 xmlXPathObjectPtr value);
452XMLPUBFUN xmlXPathFunction XMLCALL
453 xmlXPathFunctionLookup (xmlXPathContextPtr ctxt,
454 const xmlChar *name);
455XMLPUBFUN xmlXPathFunction XMLCALL
456 xmlXPathFunctionLookupNS (xmlXPathContextPtr ctxt,
457 const xmlChar *name,
458 const xmlChar *ns_uri);
459XMLPUBFUN void XMLCALL
460 xmlXPathRegisteredFuncsCleanup (xmlXPathContextPtr ctxt);
461XMLPUBFUN xmlXPathObjectPtr XMLCALL
462 xmlXPathVariableLookup (xmlXPathContextPtr ctxt,
463 const xmlChar *name);
464XMLPUBFUN xmlXPathObjectPtr XMLCALL
465 xmlXPathVariableLookupNS (xmlXPathContextPtr ctxt,
466 const xmlChar *name,
467 const xmlChar *ns_uri);
468XMLPUBFUN void XMLCALL
469 xmlXPathRegisteredVariablesCleanup(xmlXPathContextPtr ctxt);
470
474XMLPUBFUN xmlXPathParserContextPtr XMLCALL
475 xmlXPathNewParserContext (const xmlChar *str,
476 xmlXPathContextPtr ctxt);
477XMLPUBFUN void XMLCALL
478 xmlXPathFreeParserContext (xmlXPathParserContextPtr ctxt);
479
480/* TODO: remap to xmlXPathValuePop and Push. */
481XMLPUBFUN xmlXPathObjectPtr XMLCALL
482 valuePop (xmlXPathParserContextPtr ctxt);
483XMLPUBFUN int XMLCALL
484 valuePush (xmlXPathParserContextPtr ctxt,
485 xmlXPathObjectPtr value);
486
487XMLPUBFUN xmlXPathObjectPtr XMLCALL
488 xmlXPathNewString (const xmlChar *val);
489XMLPUBFUN xmlXPathObjectPtr XMLCALL
490 xmlXPathNewCString (const char *val);
491XMLPUBFUN xmlXPathObjectPtr XMLCALL
492 xmlXPathWrapString (xmlChar *val);
493XMLPUBFUN xmlXPathObjectPtr XMLCALL
494 xmlXPathWrapCString (char * val);
495XMLPUBFUN xmlXPathObjectPtr XMLCALL
496 xmlXPathNewFloat (double val);
497XMLPUBFUN xmlXPathObjectPtr XMLCALL
498 xmlXPathNewBoolean (int val);
499XMLPUBFUN xmlXPathObjectPtr XMLCALL
500 xmlXPathNewNodeSet (xmlNodePtr val);
501XMLPUBFUN xmlXPathObjectPtr XMLCALL
502 xmlXPathNewValueTree (xmlNodePtr val);
503XMLPUBFUN int XMLCALL
504 xmlXPathNodeSetAdd (xmlNodeSetPtr cur,
505 xmlNodePtr val);
506XMLPUBFUN int XMLCALL
507 xmlXPathNodeSetAddUnique (xmlNodeSetPtr cur,
508 xmlNodePtr val);
509XMLPUBFUN int XMLCALL
510 xmlXPathNodeSetAddNs (xmlNodeSetPtr cur,
511 xmlNodePtr node,
512 xmlNsPtr ns);
513XMLPUBFUN void XMLCALL
514 xmlXPathNodeSetSort (xmlNodeSetPtr set);
515
516XMLPUBFUN void XMLCALL
517 xmlXPathRoot (xmlXPathParserContextPtr ctxt);
518XMLPUBFUN void XMLCALL
519 xmlXPathEvalExpr (xmlXPathParserContextPtr ctxt);
520XMLPUBFUN xmlChar * XMLCALL
521 xmlXPathParseName (xmlXPathParserContextPtr ctxt);
522XMLPUBFUN xmlChar * XMLCALL
523 xmlXPathParseNCName (xmlXPathParserContextPtr ctxt);
524
525/*
526 * Existing functions.
527 */
528XMLPUBFUN double XMLCALL
529 xmlXPathStringEvalNumber (const xmlChar *str);
530XMLPUBFUN int XMLCALL
531 xmlXPathEvaluatePredicateResult (xmlXPathParserContextPtr ctxt,
532 xmlXPathObjectPtr res);
533XMLPUBFUN void XMLCALL
534 xmlXPathRegisterAllFunctions (xmlXPathContextPtr ctxt);
535XMLPUBFUN xmlNodeSetPtr XMLCALL
536 xmlXPathNodeSetMerge (xmlNodeSetPtr val1,
537 xmlNodeSetPtr val2);
538XMLPUBFUN void XMLCALL
539 xmlXPathNodeSetDel (xmlNodeSetPtr cur,
540 xmlNodePtr val);
541XMLPUBFUN void XMLCALL
542 xmlXPathNodeSetRemove (xmlNodeSetPtr cur,
543 int val);
544XMLPUBFUN xmlXPathObjectPtr XMLCALL
545 xmlXPathNewNodeSetList (xmlNodeSetPtr val);
546XMLPUBFUN xmlXPathObjectPtr XMLCALL
547 xmlXPathWrapNodeSet (xmlNodeSetPtr val);
548XMLPUBFUN xmlXPathObjectPtr XMLCALL
549 xmlXPathWrapExternal (void *val);
550
551XMLPUBFUN int XMLCALL xmlXPathEqualValues(xmlXPathParserContextPtr ctxt);
552XMLPUBFUN int XMLCALL xmlXPathNotEqualValues(xmlXPathParserContextPtr ctxt);
553XMLPUBFUN int XMLCALL xmlXPathCompareValues(xmlXPathParserContextPtr ctxt, int inf, int strict);
554XMLPUBFUN void XMLCALL xmlXPathValueFlipSign(xmlXPathParserContextPtr ctxt);
555XMLPUBFUN void XMLCALL xmlXPathAddValues(xmlXPathParserContextPtr ctxt);
556XMLPUBFUN void XMLCALL xmlXPathSubValues(xmlXPathParserContextPtr ctxt);
557XMLPUBFUN void XMLCALL xmlXPathMultValues(xmlXPathParserContextPtr ctxt);
558XMLPUBFUN void XMLCALL xmlXPathDivValues(xmlXPathParserContextPtr ctxt);
559XMLPUBFUN void XMLCALL xmlXPathModValues(xmlXPathParserContextPtr ctxt);
560
561XMLPUBFUN int XMLCALL xmlXPathIsNodeType(const xmlChar *name);
562
563/*
564 * Some of the axis navigation routines.
565 */
566XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextSelf(xmlXPathParserContextPtr ctxt,
567 xmlNodePtr cur);
568XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextChild(xmlXPathParserContextPtr ctxt,
569 xmlNodePtr cur);
570XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextDescendant(xmlXPathParserContextPtr ctxt,
571 xmlNodePtr cur);
572XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextDescendantOrSelf(xmlXPathParserContextPtr ctxt,
573 xmlNodePtr cur);
574XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextParent(xmlXPathParserContextPtr ctxt,
575 xmlNodePtr cur);
576XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextAncestorOrSelf(xmlXPathParserContextPtr ctxt,
577 xmlNodePtr cur);
578XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextFollowingSibling(xmlXPathParserContextPtr ctxt,
579 xmlNodePtr cur);
580XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextFollowing(xmlXPathParserContextPtr ctxt,
581 xmlNodePtr cur);
582XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextNamespace(xmlXPathParserContextPtr ctxt,
583 xmlNodePtr cur);
584XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextAttribute(xmlXPathParserContextPtr ctxt,
585 xmlNodePtr cur);
586XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextPreceding(xmlXPathParserContextPtr ctxt,
587 xmlNodePtr cur);
588XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextAncestor(xmlXPathParserContextPtr ctxt,
589 xmlNodePtr cur);
590XMLPUBFUN xmlNodePtr XMLCALL xmlXPathNextPrecedingSibling(xmlXPathParserContextPtr ctxt,
591 xmlNodePtr cur);
592/*
593 * The official core of XPath functions.
594 */
595XMLPUBFUN void XMLCALL xmlXPathLastFunction(xmlXPathParserContextPtr ctxt, int nargs);
596XMLPUBFUN void XMLCALL xmlXPathPositionFunction(xmlXPathParserContextPtr ctxt, int nargs);
597XMLPUBFUN void XMLCALL xmlXPathCountFunction(xmlXPathParserContextPtr ctxt, int nargs);
598XMLPUBFUN void XMLCALL xmlXPathIdFunction(xmlXPathParserContextPtr ctxt, int nargs);
599XMLPUBFUN void XMLCALL xmlXPathLocalNameFunction(xmlXPathParserContextPtr ctxt, int nargs);
600XMLPUBFUN void XMLCALL xmlXPathNamespaceURIFunction(xmlXPathParserContextPtr ctxt, int nargs);
601XMLPUBFUN void XMLCALL xmlXPathStringFunction(xmlXPathParserContextPtr ctxt, int nargs);
602XMLPUBFUN void XMLCALL xmlXPathStringLengthFunction(xmlXPathParserContextPtr ctxt, int nargs);
603XMLPUBFUN void XMLCALL xmlXPathConcatFunction(xmlXPathParserContextPtr ctxt, int nargs);
604XMLPUBFUN void XMLCALL xmlXPathContainsFunction(xmlXPathParserContextPtr ctxt, int nargs);
605XMLPUBFUN void XMLCALL xmlXPathStartsWithFunction(xmlXPathParserContextPtr ctxt, int nargs);
606XMLPUBFUN void XMLCALL xmlXPathSubstringFunction(xmlXPathParserContextPtr ctxt, int nargs);
607XMLPUBFUN void XMLCALL xmlXPathSubstringBeforeFunction(xmlXPathParserContextPtr ctxt, int nargs);
608XMLPUBFUN void XMLCALL xmlXPathSubstringAfterFunction(xmlXPathParserContextPtr ctxt, int nargs);
609XMLPUBFUN void XMLCALL xmlXPathNormalizeFunction(xmlXPathParserContextPtr ctxt, int nargs);
610XMLPUBFUN void XMLCALL xmlXPathTranslateFunction(xmlXPathParserContextPtr ctxt, int nargs);
611XMLPUBFUN void XMLCALL xmlXPathNotFunction(xmlXPathParserContextPtr ctxt, int nargs);
612XMLPUBFUN void XMLCALL xmlXPathTrueFunction(xmlXPathParserContextPtr ctxt, int nargs);
613XMLPUBFUN void XMLCALL xmlXPathFalseFunction(xmlXPathParserContextPtr ctxt, int nargs);
614XMLPUBFUN void XMLCALL xmlXPathLangFunction(xmlXPathParserContextPtr ctxt, int nargs);
615XMLPUBFUN void XMLCALL xmlXPathNumberFunction(xmlXPathParserContextPtr ctxt, int nargs);
616XMLPUBFUN void XMLCALL xmlXPathSumFunction(xmlXPathParserContextPtr ctxt, int nargs);
617XMLPUBFUN void XMLCALL xmlXPathFloorFunction(xmlXPathParserContextPtr ctxt, int nargs);
618XMLPUBFUN void XMLCALL xmlXPathCeilingFunction(xmlXPathParserContextPtr ctxt, int nargs);
619XMLPUBFUN void XMLCALL xmlXPathRoundFunction(xmlXPathParserContextPtr ctxt, int nargs);
620XMLPUBFUN void XMLCALL xmlXPathBooleanFunction(xmlXPathParserContextPtr ctxt, int nargs);
621
625XMLPUBFUN void XMLCALL xmlXPathNodeSetFreeNs(xmlNsPtr ns);
626
627#ifdef __cplusplus
628}
629#endif
630
631#endif /* LIBXML_XPATH_ENABLED */
632#endif /* ! __XML_XPATH_INTERNALS_H__ */
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