2 * valid.c : part of the code use to do the DTD handling and the validity
5 * See Copyright for the status of this software.
19 #include <libxml/xmlmemory.h>
20 #include <libxml/hash.h>
21 #include <libxml/uri.h>
22 #include <libxml/valid.h>
23 #include <libxml/parser.h>
24 #include <libxml/parserInternals.h>
25 #include <libxml/xmlerror.h>
26 #include <libxml/list.h>
27 #include <libxml/globals.h>
29 static xmlElementPtr
xmlGetDtdElementDesc2(xmlDtdPtr dtd
, const xmlChar
*name
,
31 /* #define DEBUG_VALID_ALGO */
32 /* #define DEBUG_REGEXP_ALGO */
35 xmlGenericError(xmlGenericErrorContext, \
36 "Unimplemented block at %s:%d\n", \
39 #ifdef LIBXML_VALID_ENABLED
41 xmlValidateAttributeValueInternal(xmlDocPtr doc
, xmlAttributeType type
,
42 const xmlChar
*value
);
44 /************************************************************************
46 * Error handling routines *
48 ************************************************************************/
52 * @ctxt: an XML validation parser context
53 * @extra: extra informations
55 * Handle an out of memory error
58 xmlVErrMemory(xmlValidCtxtPtr ctxt
, const char *extra
)
60 xmlGenericErrorFunc channel
= NULL
;
61 xmlParserCtxtPtr pctxt
= NULL
;
65 channel
= ctxt
->error
;
66 data
= ctxt
->userData
;
67 /* Use the special values to detect if it is part of a parsing
69 if ((ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_0
) ||
70 (ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_1
)) {
71 long delta
= (char *) ctxt
- (char *) ctxt
->userData
;
72 if ((delta
> 0) && (delta
< 250))
73 pctxt
= ctxt
->userData
;
77 __xmlRaiseError(NULL
, channel
, data
,
78 pctxt
, NULL
, XML_FROM_VALID
, XML_ERR_NO_MEMORY
,
79 XML_ERR_FATAL
, NULL
, 0, extra
, NULL
, NULL
, 0, 0,
80 "Memory allocation failed : %s\n", extra
);
82 __xmlRaiseError(NULL
, channel
, data
,
83 pctxt
, NULL
, XML_FROM_VALID
, XML_ERR_NO_MEMORY
,
84 XML_ERR_FATAL
, NULL
, 0, NULL
, NULL
, NULL
, 0, 0,
85 "Memory allocation failed\n");
90 * @ctxt: an XML validation parser context
91 * @error: the error number
92 * @extra: extra informations
94 * Handle a validation error
97 xmlErrValid(xmlValidCtxtPtr ctxt
, xmlParserErrors error
,
98 const char *msg
, const char *extra
)
100 xmlGenericErrorFunc channel
= NULL
;
101 xmlParserCtxtPtr pctxt
= NULL
;
105 channel
= ctxt
->error
;
106 data
= ctxt
->userData
;
107 /* Use the special values to detect if it is part of a parsing
109 if ((ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_0
) ||
110 (ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_1
)) {
111 long delta
= (char *) ctxt
- (char *) ctxt
->userData
;
112 if ((delta
> 0) && (delta
< 250))
113 pctxt
= ctxt
->userData
;
117 __xmlRaiseError(NULL
, channel
, data
,
118 pctxt
, NULL
, XML_FROM_VALID
, error
,
119 XML_ERR_ERROR
, NULL
, 0, extra
, NULL
, NULL
, 0, 0,
122 __xmlRaiseError(NULL
, channel
, data
,
123 pctxt
, NULL
, XML_FROM_VALID
, error
,
124 XML_ERR_ERROR
, NULL
, 0, NULL
, NULL
, NULL
, 0, 0,
128 #if defined(LIBXML_VALID_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
131 * @ctxt: an XML validation parser context
132 * @node: the node raising the error
133 * @error: the error number
134 * @str1: extra informations
135 * @str2: extra informations
136 * @str3: extra informations
138 * Handle a validation error, provide contextual informations
141 xmlErrValidNode(xmlValidCtxtPtr ctxt
,
142 xmlNodePtr node
, xmlParserErrors error
,
143 const char *msg
, const xmlChar
* str1
,
144 const xmlChar
* str2
, const xmlChar
* str3
)
146 xmlStructuredErrorFunc schannel
= NULL
;
147 xmlGenericErrorFunc channel
= NULL
;
148 xmlParserCtxtPtr pctxt
= NULL
;
152 channel
= ctxt
->error
;
153 data
= ctxt
->userData
;
154 /* Use the special values to detect if it is part of a parsing
156 if ((ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_0
) ||
157 (ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_1
)) {
158 long delta
= (char *) ctxt
- (char *) ctxt
->userData
;
159 if ((delta
> 0) && (delta
< 250))
160 pctxt
= ctxt
->userData
;
163 __xmlRaiseError(schannel
, channel
, data
, pctxt
, node
, XML_FROM_VALID
, error
,
164 XML_ERR_ERROR
, NULL
, 0,
167 (const char *) str3
, 0, 0, msg
, str1
, str2
, str3
);
169 #endif /* LIBXML_VALID_ENABLED or LIBXML_SCHEMAS_ENABLED */
171 #ifdef LIBXML_VALID_ENABLED
174 * @ctxt: an XML validation parser context
175 * @node: the node raising the error
176 * @error: the error number
177 * @str1: extra informations
178 * @int2: extra informations
179 * @str3: extra informations
181 * Handle a validation error, provide contextual informations
184 xmlErrValidNodeNr(xmlValidCtxtPtr ctxt
,
185 xmlNodePtr node
, xmlParserErrors error
,
186 const char *msg
, const xmlChar
* str1
,
187 int int2
, const xmlChar
* str3
)
189 xmlStructuredErrorFunc schannel
= NULL
;
190 xmlGenericErrorFunc channel
= NULL
;
191 xmlParserCtxtPtr pctxt
= NULL
;
195 channel
= ctxt
->error
;
196 data
= ctxt
->userData
;
197 /* Use the special values to detect if it is part of a parsing
199 if ((ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_0
) ||
200 (ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_1
)) {
201 long delta
= (char *) ctxt
- (char *) ctxt
->userData
;
202 if ((delta
> 0) && (delta
< 250))
203 pctxt
= ctxt
->userData
;
206 __xmlRaiseError(schannel
, channel
, data
, pctxt
, node
, XML_FROM_VALID
, error
,
207 XML_ERR_ERROR
, NULL
, 0,
210 NULL
, int2
, 0, msg
, str1
, int2
, str3
);
214 * xmlErrValidWarning:
215 * @ctxt: an XML validation parser context
216 * @node: the node raising the error
217 * @error: the error number
218 * @str1: extra information
219 * @str2: extra information
220 * @str3: extra information
222 * Handle a validation error, provide contextual information
225 xmlErrValidWarning(xmlValidCtxtPtr ctxt
,
226 xmlNodePtr node
, xmlParserErrors error
,
227 const char *msg
, const xmlChar
* str1
,
228 const xmlChar
* str2
, const xmlChar
* str3
)
230 xmlStructuredErrorFunc schannel
= NULL
;
231 xmlGenericErrorFunc channel
= NULL
;
232 xmlParserCtxtPtr pctxt
= NULL
;
236 channel
= ctxt
->warning
;
237 data
= ctxt
->userData
;
238 /* Use the special values to detect if it is part of a parsing
240 if ((ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_0
) ||
241 (ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_1
)) {
242 long delta
= (char *) ctxt
- (char *) ctxt
->userData
;
243 if ((delta
> 0) && (delta
< 250))
244 pctxt
= ctxt
->userData
;
247 __xmlRaiseError(schannel
, channel
, data
, pctxt
, node
, XML_FROM_VALID
, error
,
248 XML_ERR_WARNING
, NULL
, 0,
251 (const char *) str3
, 0, 0, msg
, str1
, str2
, str3
);
256 #ifdef LIBXML_REGEXP_ENABLED
258 * If regexp are enabled we can do continuous validation without the
259 * need of a tree to validate the content model. this is done in each
261 * Each xmlValidState represent the validation state associated to the
262 * set of nodes currently open from the document root to the current element.
266 typedef struct _xmlValidState
{
267 xmlElementPtr elemDecl
; /* pointer to the content model */
268 xmlNodePtr node
; /* pointer to the current node */
269 xmlRegExecCtxtPtr exec
; /* regexp runtime */
274 vstateVPush(xmlValidCtxtPtr ctxt
, xmlElementPtr elemDecl
, xmlNodePtr node
) {
275 if ((ctxt
->vstateMax
== 0) || (ctxt
->vstateTab
== NULL
)) {
276 ctxt
->vstateMax
= 10;
277 ctxt
->vstateTab
= (xmlValidState
*) xmlMalloc(ctxt
->vstateMax
*
278 sizeof(ctxt
->vstateTab
[0]));
279 if (ctxt
->vstateTab
== NULL
) {
280 xmlVErrMemory(ctxt
, "malloc failed");
285 if (ctxt
->vstateNr
>= ctxt
->vstateMax
) {
288 tmp
= (xmlValidState
*) xmlRealloc(ctxt
->vstateTab
,
289 2 * ctxt
->vstateMax
* sizeof(ctxt
->vstateTab
[0]));
291 xmlVErrMemory(ctxt
, "realloc failed");
294 ctxt
->vstateMax
*= 2;
295 ctxt
->vstateTab
= tmp
;
297 ctxt
->vstate
= &ctxt
->vstateTab
[ctxt
->vstateNr
];
298 ctxt
->vstateTab
[ctxt
->vstateNr
].elemDecl
= elemDecl
;
299 ctxt
->vstateTab
[ctxt
->vstateNr
].node
= node
;
300 if ((elemDecl
!= NULL
) && (elemDecl
->etype
== XML_ELEMENT_TYPE_ELEMENT
)) {
301 if (elemDecl
->contModel
== NULL
)
302 xmlValidBuildContentModel(ctxt
, elemDecl
);
303 if (elemDecl
->contModel
!= NULL
) {
304 ctxt
->vstateTab
[ctxt
->vstateNr
].exec
=
305 xmlRegNewExecCtxt(elemDecl
->contModel
, NULL
, NULL
);
307 ctxt
->vstateTab
[ctxt
->vstateNr
].exec
= NULL
;
308 xmlErrValidNode(ctxt
, (xmlNodePtr
) elemDecl
,
309 XML_ERR_INTERNAL_ERROR
,
310 "Failed to build content model regexp for %s\n",
311 node
->name
, NULL
, NULL
);
314 return(ctxt
->vstateNr
++);
318 vstateVPop(xmlValidCtxtPtr ctxt
) {
319 xmlElementPtr elemDecl
;
321 if (ctxt
->vstateNr
< 1) return(-1);
323 elemDecl
= ctxt
->vstateTab
[ctxt
->vstateNr
].elemDecl
;
324 ctxt
->vstateTab
[ctxt
->vstateNr
].elemDecl
= NULL
;
325 ctxt
->vstateTab
[ctxt
->vstateNr
].node
= NULL
;
326 if ((elemDecl
!= NULL
) && (elemDecl
->etype
== XML_ELEMENT_TYPE_ELEMENT
)) {
327 xmlRegFreeExecCtxt(ctxt
->vstateTab
[ctxt
->vstateNr
].exec
);
329 ctxt
->vstateTab
[ctxt
->vstateNr
].exec
= NULL
;
330 if (ctxt
->vstateNr
>= 1)
331 ctxt
->vstate
= &ctxt
->vstateTab
[ctxt
->vstateNr
- 1];
334 return(ctxt
->vstateNr
);
337 #else /* not LIBXML_REGEXP_ENABLED */
339 * If regexp are not enabled, it uses a home made algorithm less
340 * complex and easier to
341 * debug/maintain than a generic NFA -> DFA state based algo. The
342 * only restriction is on the deepness of the tree limited by the
343 * size of the occurs bitfield
345 * this is the content of a saved state for rollbacks
348 #define ROLLBACK_OR 0
349 #define ROLLBACK_PARENT 1
351 typedef struct _xmlValidState
{
352 xmlElementContentPtr cont
; /* pointer to the content model subtree */
353 xmlNodePtr node
; /* pointer to the current node in the list */
354 long occurs
;/* bitfield for multiple occurrences */
355 unsigned char depth
; /* current depth in the overall tree */
356 unsigned char state
; /* ROLLBACK_XXX */
359 #define MAX_RECURSE 25000
360 #define MAX_DEPTH ((sizeof(_xmlValidState.occurs)) * 8)
361 #define CONT ctxt->vstate->cont
362 #define NODE ctxt->vstate->node
363 #define DEPTH ctxt->vstate->depth
364 #define OCCURS ctxt->vstate->occurs
365 #define STATE ctxt->vstate->state
367 #define OCCURRENCE (ctxt->vstate->occurs & (1 << DEPTH))
368 #define PARENT_OCCURRENCE (ctxt->vstate->occurs & ((1 << DEPTH) - 1))
370 #define SET_OCCURRENCE ctxt->vstate->occurs |= (1 << DEPTH)
371 #define RESET_OCCURRENCE ctxt->vstate->occurs &= ((1 << DEPTH) - 1)
374 vstateVPush(xmlValidCtxtPtr ctxt
, xmlElementContentPtr cont
,
375 xmlNodePtr node
, unsigned char depth
, long occurs
,
376 unsigned char state
) {
377 int i
= ctxt
->vstateNr
- 1;
379 if (ctxt
->vstateNr
> MAX_RECURSE
) {
382 if (ctxt
->vstateTab
== NULL
) {
384 ctxt
->vstateTab
= (xmlValidState
*) xmlMalloc(
385 ctxt
->vstateMax
* sizeof(ctxt
->vstateTab
[0]));
386 if (ctxt
->vstateTab
== NULL
) {
387 xmlVErrMemory(ctxt
, "malloc failed");
391 if (ctxt
->vstateNr
>= ctxt
->vstateMax
) {
394 tmp
= (xmlValidState
*) xmlRealloc(ctxt
->vstateTab
,
395 2 * ctxt
->vstateMax
* sizeof(ctxt
->vstateTab
[0]));
397 xmlVErrMemory(ctxt
, "malloc failed");
400 ctxt
->vstateMax
*= 2;
401 ctxt
->vstateTab
= tmp
;
402 ctxt
->vstate
= &ctxt
->vstateTab
[0];
405 * Don't push on the stack a state already here
407 if ((i
>= 0) && (ctxt
->vstateTab
[i
].cont
== cont
) &&
408 (ctxt
->vstateTab
[i
].node
== node
) &&
409 (ctxt
->vstateTab
[i
].depth
== depth
) &&
410 (ctxt
->vstateTab
[i
].occurs
== occurs
) &&
411 (ctxt
->vstateTab
[i
].state
== state
))
412 return(ctxt
->vstateNr
);
413 ctxt
->vstateTab
[ctxt
->vstateNr
].cont
= cont
;
414 ctxt
->vstateTab
[ctxt
->vstateNr
].node
= node
;
415 ctxt
->vstateTab
[ctxt
->vstateNr
].depth
= depth
;
416 ctxt
->vstateTab
[ctxt
->vstateNr
].occurs
= occurs
;
417 ctxt
->vstateTab
[ctxt
->vstateNr
].state
= state
;
418 return(ctxt
->vstateNr
++);
422 vstateVPop(xmlValidCtxtPtr ctxt
) {
423 if (ctxt
->vstateNr
<= 1) return(-1);
425 ctxt
->vstate
= &ctxt
->vstateTab
[0];
426 ctxt
->vstate
->cont
= ctxt
->vstateTab
[ctxt
->vstateNr
].cont
;
427 ctxt
->vstate
->node
= ctxt
->vstateTab
[ctxt
->vstateNr
].node
;
428 ctxt
->vstate
->depth
= ctxt
->vstateTab
[ctxt
->vstateNr
].depth
;
429 ctxt
->vstate
->occurs
= ctxt
->vstateTab
[ctxt
->vstateNr
].occurs
;
430 ctxt
->vstate
->state
= ctxt
->vstateTab
[ctxt
->vstateNr
].state
;
431 return(ctxt
->vstateNr
);
434 #endif /* LIBXML_REGEXP_ENABLED */
437 nodeVPush(xmlValidCtxtPtr ctxt
, xmlNodePtr value
)
439 if (ctxt
->nodeMax
<= 0) {
442 (xmlNodePtr
*) xmlMalloc(ctxt
->nodeMax
*
443 sizeof(ctxt
->nodeTab
[0]));
444 if (ctxt
->nodeTab
== NULL
) {
445 xmlVErrMemory(ctxt
, "malloc failed");
450 if (ctxt
->nodeNr
>= ctxt
->nodeMax
) {
452 tmp
= (xmlNodePtr
*) xmlRealloc(ctxt
->nodeTab
,
453 ctxt
->nodeMax
* 2 * sizeof(ctxt
->nodeTab
[0]));
455 xmlVErrMemory(ctxt
, "realloc failed");
461 ctxt
->nodeTab
[ctxt
->nodeNr
] = value
;
463 return (ctxt
->nodeNr
++);
466 nodeVPop(xmlValidCtxtPtr ctxt
)
470 if (ctxt
->nodeNr
<= 0)
473 if (ctxt
->nodeNr
> 0)
474 ctxt
->node
= ctxt
->nodeTab
[ctxt
->nodeNr
- 1];
477 ret
= ctxt
->nodeTab
[ctxt
->nodeNr
];
478 ctxt
->nodeTab
[ctxt
->nodeNr
] = NULL
;
482 #ifdef DEBUG_VALID_ALGO
484 xmlValidPrintNode(xmlNodePtr cur
) {
486 xmlGenericError(xmlGenericErrorContext
, "null");
490 case XML_ELEMENT_NODE
:
491 xmlGenericError(xmlGenericErrorContext
, "%s ", cur
->name
);
494 xmlGenericError(xmlGenericErrorContext
, "text ");
496 case XML_CDATA_SECTION_NODE
:
497 xmlGenericError(xmlGenericErrorContext
, "cdata ");
499 case XML_ENTITY_REF_NODE
:
500 xmlGenericError(xmlGenericErrorContext
, "&%s; ", cur
->name
);
503 xmlGenericError(xmlGenericErrorContext
, "pi(%s) ", cur
->name
);
505 case XML_COMMENT_NODE
:
506 xmlGenericError(xmlGenericErrorContext
, "comment ");
508 case XML_ATTRIBUTE_NODE
:
509 xmlGenericError(xmlGenericErrorContext
, "?attr? ");
511 case XML_ENTITY_NODE
:
512 xmlGenericError(xmlGenericErrorContext
, "?ent? ");
514 case XML_DOCUMENT_NODE
:
515 xmlGenericError(xmlGenericErrorContext
, "?doc? ");
517 case XML_DOCUMENT_TYPE_NODE
:
518 xmlGenericError(xmlGenericErrorContext
, "?doctype? ");
520 case XML_DOCUMENT_FRAG_NODE
:
521 xmlGenericError(xmlGenericErrorContext
, "?frag? ");
523 case XML_NOTATION_NODE
:
524 xmlGenericError(xmlGenericErrorContext
, "?nota? ");
526 case XML_HTML_DOCUMENT_NODE
:
527 xmlGenericError(xmlGenericErrorContext
, "?html? ");
529 #ifdef LIBXML_DOCB_ENABLED
530 case XML_DOCB_DOCUMENT_NODE
:
531 xmlGenericError(xmlGenericErrorContext
, "?docb? ");
535 xmlGenericError(xmlGenericErrorContext
, "?dtd? ");
537 case XML_ELEMENT_DECL
:
538 xmlGenericError(xmlGenericErrorContext
, "?edecl? ");
540 case XML_ATTRIBUTE_DECL
:
541 xmlGenericError(xmlGenericErrorContext
, "?adecl? ");
543 case XML_ENTITY_DECL
:
544 xmlGenericError(xmlGenericErrorContext
, "?entdecl? ");
546 case XML_NAMESPACE_DECL
:
547 xmlGenericError(xmlGenericErrorContext
, "?nsdecl? ");
549 case XML_XINCLUDE_START
:
550 xmlGenericError(xmlGenericErrorContext
, "incstart ");
552 case XML_XINCLUDE_END
:
553 xmlGenericError(xmlGenericErrorContext
, "incend ");
559 xmlValidPrintNodeList(xmlNodePtr cur
) {
561 xmlGenericError(xmlGenericErrorContext
, "null ");
562 while (cur
!= NULL
) {
563 xmlValidPrintNode(cur
);
569 xmlValidDebug(xmlNodePtr cur
, xmlElementContentPtr cont
) {
573 xmlGenericError(xmlGenericErrorContext
, "valid: ");
574 xmlValidPrintNodeList(cur
);
575 xmlGenericError(xmlGenericErrorContext
, "against ");
576 xmlSnprintfElementContent(expr
, 5000, cont
, 1);
577 xmlGenericError(xmlGenericErrorContext
, "%s\n", expr
);
581 xmlValidDebugState(xmlValidStatePtr state
) {
582 xmlGenericError(xmlGenericErrorContext
, "(");
583 if (state
->cont
== NULL
)
584 xmlGenericError(xmlGenericErrorContext
, "null,");
586 switch (state
->cont
->type
) {
587 case XML_ELEMENT_CONTENT_PCDATA
:
588 xmlGenericError(xmlGenericErrorContext
, "pcdata,");
590 case XML_ELEMENT_CONTENT_ELEMENT
:
591 xmlGenericError(xmlGenericErrorContext
, "%s,",
594 case XML_ELEMENT_CONTENT_SEQ
:
595 xmlGenericError(xmlGenericErrorContext
, "seq,");
597 case XML_ELEMENT_CONTENT_OR
:
598 xmlGenericError(xmlGenericErrorContext
, "or,");
601 xmlValidPrintNode(state
->node
);
602 xmlGenericError(xmlGenericErrorContext
, ",%d,%X,%d)",
603 state
->depth
, state
->occurs
, state
->state
);
607 xmlValidStateDebug(xmlValidCtxtPtr ctxt
) {
610 xmlGenericError(xmlGenericErrorContext
, "state: ");
611 xmlValidDebugState(ctxt
->vstate
);
612 xmlGenericError(xmlGenericErrorContext
, " stack: %d ",
614 for (i
= 0, j
= ctxt
->vstateNr
- 1;(i
< 3) && (j
> 0);i
++,j
--)
615 xmlValidDebugState(&ctxt
->vstateTab
[j
]);
616 xmlGenericError(xmlGenericErrorContext
, "\n");
620 #define DEBUG_VALID_STATE(n,c) xmlValidDebug(n,c);
623 #define DEBUG_VALID_STATE(n,c) xmlValidStateDebug(ctxt);
624 #define DEBUG_VALID_MSG(m) \
625 xmlGenericError(xmlGenericErrorContext, "%s\n", m);
628 #define DEBUG_VALID_STATE(n,c)
629 #define DEBUG_VALID_MSG(m)
632 /* TODO: use hash table for accesses to elem and attribute definitions */
636 if (doc == NULL) return(0); \
637 else if ((doc->intSubset == NULL) && \
638 (doc->extSubset == NULL)) return(0)
640 #ifdef LIBXML_REGEXP_ENABLED
642 /************************************************************************
644 * Content model validation based on the regexps *
646 ************************************************************************/
649 * xmlValidBuildAContentModel:
650 * @content: the content model
651 * @ctxt: the schema parser context
652 * @name: the element name whose content is being built
654 * Generate the automata sequence needed for that type
656 * Returns 1 if successful or 0 in case of error.
659 xmlValidBuildAContentModel(xmlElementContentPtr content
,
660 xmlValidCtxtPtr ctxt
,
661 const xmlChar
*name
) {
662 if (content
== NULL
) {
663 xmlErrValidNode(ctxt
, NULL
, XML_ERR_INTERNAL_ERROR
,
664 "Found NULL content in content model of %s\n",
668 switch (content
->type
) {
669 case XML_ELEMENT_CONTENT_PCDATA
:
670 xmlErrValidNode(ctxt
, NULL
, XML_ERR_INTERNAL_ERROR
,
671 "Found PCDATA in content model of %s\n",
675 case XML_ELEMENT_CONTENT_ELEMENT
: {
676 xmlAutomataStatePtr oldstate
= ctxt
->state
;
680 fullname
= xmlBuildQName(content
->name
, content
->prefix
, fn
, 50);
681 if (fullname
== NULL
) {
682 xmlVErrMemory(ctxt
, "Building content model");
686 switch (content
->ocur
) {
687 case XML_ELEMENT_CONTENT_ONCE
:
688 ctxt
->state
= xmlAutomataNewTransition(ctxt
->am
,
689 ctxt
->state
, NULL
, fullname
, NULL
);
691 case XML_ELEMENT_CONTENT_OPT
:
692 ctxt
->state
= xmlAutomataNewTransition(ctxt
->am
,
693 ctxt
->state
, NULL
, fullname
, NULL
);
694 xmlAutomataNewEpsilon(ctxt
->am
, oldstate
, ctxt
->state
);
696 case XML_ELEMENT_CONTENT_PLUS
:
697 ctxt
->state
= xmlAutomataNewTransition(ctxt
->am
,
698 ctxt
->state
, NULL
, fullname
, NULL
);
699 xmlAutomataNewTransition(ctxt
->am
, ctxt
->state
,
700 ctxt
->state
, fullname
, NULL
);
702 case XML_ELEMENT_CONTENT_MULT
:
703 ctxt
->state
= xmlAutomataNewEpsilon(ctxt
->am
,
705 xmlAutomataNewTransition(ctxt
->am
,
706 ctxt
->state
, ctxt
->state
, fullname
, NULL
);
709 if ((fullname
!= fn
) && (fullname
!= content
->name
))
713 case XML_ELEMENT_CONTENT_SEQ
: {
714 xmlAutomataStatePtr oldstate
, oldend
;
715 xmlElementContentOccur ocur
;
718 * Simply iterate over the content
720 oldstate
= ctxt
->state
;
721 ocur
= content
->ocur
;
722 if (ocur
!= XML_ELEMENT_CONTENT_ONCE
) {
723 ctxt
->state
= xmlAutomataNewEpsilon(ctxt
->am
, oldstate
, NULL
);
724 oldstate
= ctxt
->state
;
727 xmlValidBuildAContentModel(content
->c1
, ctxt
, name
);
728 content
= content
->c2
;
729 } while ((content
->type
== XML_ELEMENT_CONTENT_SEQ
) &&
730 (content
->ocur
== XML_ELEMENT_CONTENT_ONCE
));
731 xmlValidBuildAContentModel(content
, ctxt
, name
);
732 oldend
= ctxt
->state
;
733 ctxt
->state
= xmlAutomataNewEpsilon(ctxt
->am
, oldend
, NULL
);
735 case XML_ELEMENT_CONTENT_ONCE
:
737 case XML_ELEMENT_CONTENT_OPT
:
738 xmlAutomataNewEpsilon(ctxt
->am
, oldstate
, ctxt
->state
);
740 case XML_ELEMENT_CONTENT_MULT
:
741 xmlAutomataNewEpsilon(ctxt
->am
, oldstate
, ctxt
->state
);
742 xmlAutomataNewEpsilon(ctxt
->am
, oldend
, oldstate
);
744 case XML_ELEMENT_CONTENT_PLUS
:
745 xmlAutomataNewEpsilon(ctxt
->am
, oldend
, oldstate
);
750 case XML_ELEMENT_CONTENT_OR
: {
751 xmlAutomataStatePtr oldstate
, oldend
;
752 xmlElementContentOccur ocur
;
754 ocur
= content
->ocur
;
755 if ((ocur
== XML_ELEMENT_CONTENT_PLUS
) ||
756 (ocur
== XML_ELEMENT_CONTENT_MULT
)) {
757 ctxt
->state
= xmlAutomataNewEpsilon(ctxt
->am
,
760 oldstate
= ctxt
->state
;
761 oldend
= xmlAutomataNewState(ctxt
->am
);
764 * iterate over the subtypes and remerge the end with an
768 ctxt
->state
= oldstate
;
769 xmlValidBuildAContentModel(content
->c1
, ctxt
, name
);
770 xmlAutomataNewEpsilon(ctxt
->am
, ctxt
->state
, oldend
);
771 content
= content
->c2
;
772 } while ((content
->type
== XML_ELEMENT_CONTENT_OR
) &&
773 (content
->ocur
== XML_ELEMENT_CONTENT_ONCE
));
774 ctxt
->state
= oldstate
;
775 xmlValidBuildAContentModel(content
, ctxt
, name
);
776 xmlAutomataNewEpsilon(ctxt
->am
, ctxt
->state
, oldend
);
777 ctxt
->state
= xmlAutomataNewEpsilon(ctxt
->am
, oldend
, NULL
);
779 case XML_ELEMENT_CONTENT_ONCE
:
781 case XML_ELEMENT_CONTENT_OPT
:
782 xmlAutomataNewEpsilon(ctxt
->am
, oldstate
, ctxt
->state
);
784 case XML_ELEMENT_CONTENT_MULT
:
785 xmlAutomataNewEpsilon(ctxt
->am
, oldstate
, ctxt
->state
);
786 xmlAutomataNewEpsilon(ctxt
->am
, oldend
, oldstate
);
788 case XML_ELEMENT_CONTENT_PLUS
:
789 xmlAutomataNewEpsilon(ctxt
->am
, oldend
, oldstate
);
795 xmlErrValid(ctxt
, XML_ERR_INTERNAL_ERROR
,
796 "ContentModel broken for element %s\n",
797 (const char *) name
);
803 * xmlValidBuildContentModel:
804 * @ctxt: a validation context
805 * @elem: an element declaration node
807 * (Re)Build the automata associated to the content model of this
810 * Returns 1 in case of success, 0 in case of error
813 xmlValidBuildContentModel(xmlValidCtxtPtr ctxt
, xmlElementPtr elem
) {
815 if ((ctxt
== NULL
) || (elem
== NULL
))
817 if (elem
->type
!= XML_ELEMENT_DECL
)
819 if (elem
->etype
!= XML_ELEMENT_TYPE_ELEMENT
)
821 /* TODO: should we rebuild in this case ? */
822 if (elem
->contModel
!= NULL
) {
823 if (!xmlRegexpIsDeterminist(elem
->contModel
)) {
830 ctxt
->am
= xmlNewAutomata();
831 if (ctxt
->am
== NULL
) {
832 xmlErrValidNode(ctxt
, (xmlNodePtr
) elem
,
833 XML_ERR_INTERNAL_ERROR
,
834 "Cannot create automata for element %s\n",
835 elem
->name
, NULL
, NULL
);
838 ctxt
->state
= xmlAutomataGetInitState(ctxt
->am
);
839 xmlValidBuildAContentModel(elem
->content
, ctxt
, elem
->name
);
840 xmlAutomataSetFinalState(ctxt
->am
, ctxt
->state
);
841 elem
->contModel
= xmlAutomataCompile(ctxt
->am
);
842 if (xmlRegexpIsDeterminist(elem
->contModel
) != 1) {
845 xmlSnprintfElementContent(expr
, 5000, elem
->content
, 1);
846 xmlErrValidNode(ctxt
, (xmlNodePtr
) elem
,
847 XML_DTD_CONTENT_NOT_DETERMINIST
,
848 "Content model of %s is not determinist: %s\n",
849 elem
->name
, BAD_CAST expr
, NULL
);
850 #ifdef DEBUG_REGEXP_ALGO
851 xmlRegexpPrint(stderr
, elem
->contModel
);
855 xmlFreeAutomata(ctxt
->am
);
860 xmlFreeAutomata(ctxt
->am
);
865 #endif /* LIBXML_REGEXP_ENABLED */
867 /****************************************************************
869 * Util functions for data allocation/deallocation *
871 ****************************************************************/
876 * Allocate a validation context structure.
878 * Returns NULL if not, otherwise the new validation context structure
880 xmlValidCtxtPtr
xmlNewValidCtxt(void) {
883 if ((ret
= xmlMalloc(sizeof (xmlValidCtxt
))) == NULL
) {
884 xmlVErrMemory(NULL
, "malloc failed");
888 (void) memset(ret
, 0, sizeof (xmlValidCtxt
));
895 * @cur: the validation context to free
897 * Free a validation context structure.
900 xmlFreeValidCtxt(xmlValidCtxtPtr cur
) {
901 if (cur
->vstateTab
!= NULL
)
902 xmlFree(cur
->vstateTab
);
903 if (cur
->nodeTab
!= NULL
)
904 xmlFree(cur
->nodeTab
);
908 #endif /* LIBXML_VALID_ENABLED */
911 * xmlNewDocElementContent:
913 * @name: the subelement name or NULL
914 * @type: the type of element content decl
916 * Allocate an element content structure for the document.
918 * Returns NULL if not, otherwise the new element content structure
921 xmlNewDocElementContent(xmlDocPtr doc
, const xmlChar
*name
,
922 xmlElementContentType type
) {
923 xmlElementContentPtr ret
;
924 xmlDictPtr dict
= NULL
;
930 case XML_ELEMENT_CONTENT_ELEMENT
:
932 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
933 "xmlNewElementContent : name == NULL !\n",
937 case XML_ELEMENT_CONTENT_PCDATA
:
938 case XML_ELEMENT_CONTENT_SEQ
:
939 case XML_ELEMENT_CONTENT_OR
:
941 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
942 "xmlNewElementContent : name != NULL !\n",
947 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
948 "Internal: ELEMENT content corrupted invalid type\n",
952 ret
= (xmlElementContentPtr
) xmlMalloc(sizeof(xmlElementContent
));
954 xmlVErrMemory(NULL
, "malloc failed");
957 memset(ret
, 0, sizeof(xmlElementContent
));
959 ret
->ocur
= XML_ELEMENT_CONTENT_ONCE
;
964 tmp
= xmlSplitQName3(name
, &l
);
967 ret
->name
= xmlStrdup(name
);
969 ret
->name
= xmlDictLookup(dict
, name
, -1);
972 ret
->prefix
= xmlStrndup(name
, l
);
973 ret
->name
= xmlStrdup(tmp
);
975 ret
->prefix
= xmlDictLookup(dict
, name
, l
);
976 ret
->name
= xmlDictLookup(dict
, tmp
, -1);
984 * xmlNewElementContent:
985 * @name: the subelement name or NULL
986 * @type: the type of element content decl
988 * Allocate an element content structure.
989 * Deprecated in favor of xmlNewDocElementContent
991 * Returns NULL if not, otherwise the new element content structure
994 xmlNewElementContent(const xmlChar
*name
, xmlElementContentType type
) {
995 return(xmlNewDocElementContent(NULL
, name
, type
));
999 * xmlCopyDocElementContent:
1000 * @doc: the document owning the element declaration
1001 * @cur: An element content pointer.
1003 * Build a copy of an element content description.
1005 * Returns the new xmlElementContentPtr or NULL in case of error.
1007 xmlElementContentPtr
1008 xmlCopyDocElementContent(xmlDocPtr doc
, xmlElementContentPtr cur
) {
1009 xmlElementContentPtr ret
= NULL
, prev
= NULL
, tmp
;
1010 xmlDictPtr dict
= NULL
;
1012 if (cur
== NULL
) return(NULL
);
1017 ret
= (xmlElementContentPtr
) xmlMalloc(sizeof(xmlElementContent
));
1019 xmlVErrMemory(NULL
, "malloc failed");
1022 memset(ret
, 0, sizeof(xmlElementContent
));
1023 ret
->type
= cur
->type
;
1024 ret
->ocur
= cur
->ocur
;
1025 if (cur
->name
!= NULL
) {
1027 ret
->name
= xmlDictLookup(dict
, cur
->name
, -1);
1029 ret
->name
= xmlStrdup(cur
->name
);
1032 if (cur
->prefix
!= NULL
) {
1034 ret
->prefix
= xmlDictLookup(dict
, cur
->prefix
, -1);
1036 ret
->prefix
= xmlStrdup(cur
->prefix
);
1038 if (cur
->c1
!= NULL
)
1039 ret
->c1
= xmlCopyDocElementContent(doc
, cur
->c1
);
1040 if (ret
->c1
!= NULL
)
1041 ret
->c1
->parent
= ret
;
1042 if (cur
->c2
!= NULL
) {
1045 while (cur
!= NULL
) {
1046 tmp
= (xmlElementContentPtr
) xmlMalloc(sizeof(xmlElementContent
));
1048 xmlVErrMemory(NULL
, "malloc failed");
1051 memset(tmp
, 0, sizeof(xmlElementContent
));
1052 tmp
->type
= cur
->type
;
1053 tmp
->ocur
= cur
->ocur
;
1055 if (cur
->name
!= NULL
) {
1057 tmp
->name
= xmlDictLookup(dict
, cur
->name
, -1);
1059 tmp
->name
= xmlStrdup(cur
->name
);
1062 if (cur
->prefix
!= NULL
) {
1064 tmp
->prefix
= xmlDictLookup(dict
, cur
->prefix
, -1);
1066 tmp
->prefix
= xmlStrdup(cur
->prefix
);
1068 if (cur
->c1
!= NULL
)
1069 tmp
->c1
= xmlCopyDocElementContent(doc
,cur
->c1
);
1070 if (tmp
->c1
!= NULL
)
1071 tmp
->c1
->parent
= ret
;
1080 * xmlCopyElementContent:
1081 * @cur: An element content pointer.
1083 * Build a copy of an element content description.
1084 * Deprecated, use xmlCopyDocElementContent instead
1086 * Returns the new xmlElementContentPtr or NULL in case of error.
1088 xmlElementContentPtr
1089 xmlCopyElementContent(xmlElementContentPtr cur
) {
1090 return(xmlCopyDocElementContent(NULL
, cur
));
1094 * xmlFreeDocElementContent:
1095 * @doc: the document owning the element declaration
1096 * @cur: the element content tree to free
1098 * Free an element content structure. The whole subtree is removed.
1101 xmlFreeDocElementContent(xmlDocPtr doc
, xmlElementContentPtr cur
) {
1102 xmlElementContentPtr next
;
1103 xmlDictPtr dict
= NULL
;
1108 while (cur
!= NULL
) {
1110 switch (cur
->type
) {
1111 case XML_ELEMENT_CONTENT_PCDATA
:
1112 case XML_ELEMENT_CONTENT_ELEMENT
:
1113 case XML_ELEMENT_CONTENT_SEQ
:
1114 case XML_ELEMENT_CONTENT_OR
:
1117 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
1118 "Internal: ELEMENT content corrupted invalid type\n",
1122 if (cur
->c1
!= NULL
) xmlFreeDocElementContent(doc
, cur
->c1
);
1124 if ((cur
->name
!= NULL
) && (!xmlDictOwns(dict
, cur
->name
)))
1125 xmlFree((xmlChar
*) cur
->name
);
1126 if ((cur
->prefix
!= NULL
) && (!xmlDictOwns(dict
, cur
->prefix
)))
1127 xmlFree((xmlChar
*) cur
->prefix
);
1129 if (cur
->name
!= NULL
) xmlFree((xmlChar
*) cur
->name
);
1130 if (cur
->prefix
!= NULL
) xmlFree((xmlChar
*) cur
->prefix
);
1138 * xmlFreeElementContent:
1139 * @cur: the element content tree to free
1141 * Free an element content structure. The whole subtree is removed.
1142 * Deprecated, use xmlFreeDocElementContent instead
1145 xmlFreeElementContent(xmlElementContentPtr cur
) {
1146 xmlFreeDocElementContent(NULL
, cur
);
1149 #ifdef LIBXML_OUTPUT_ENABLED
1151 * xmlDumpElementContent:
1152 * @buf: An XML buffer
1153 * @content: An element table
1154 * @glob: 1 if one must print the englobing parenthesis, 0 otherwise
1156 * This will dump the content of the element table as an XML DTD definition
1159 xmlDumpElementContent(xmlBufferPtr buf
, xmlElementContentPtr content
, int glob
) {
1160 if (content
== NULL
) return;
1162 if (glob
) xmlBufferWriteChar(buf
, "(");
1163 switch (content
->type
) {
1164 case XML_ELEMENT_CONTENT_PCDATA
:
1165 xmlBufferWriteChar(buf
, "#PCDATA");
1167 case XML_ELEMENT_CONTENT_ELEMENT
:
1168 if (content
->prefix
!= NULL
) {
1169 xmlBufferWriteCHAR(buf
, content
->prefix
);
1170 xmlBufferWriteChar(buf
, ":");
1172 xmlBufferWriteCHAR(buf
, content
->name
);
1174 case XML_ELEMENT_CONTENT_SEQ
:
1175 if ((content
->c1
->type
== XML_ELEMENT_CONTENT_OR
) ||
1176 (content
->c1
->type
== XML_ELEMENT_CONTENT_SEQ
))
1177 xmlDumpElementContent(buf
, content
->c1
, 1);
1179 xmlDumpElementContent(buf
, content
->c1
, 0);
1180 xmlBufferWriteChar(buf
, " , ");
1181 if ((content
->c2
->type
== XML_ELEMENT_CONTENT_OR
) ||
1182 ((content
->c2
->type
== XML_ELEMENT_CONTENT_SEQ
) &&
1183 (content
->c2
->ocur
!= XML_ELEMENT_CONTENT_ONCE
)))
1184 xmlDumpElementContent(buf
, content
->c2
, 1);
1186 xmlDumpElementContent(buf
, content
->c2
, 0);
1188 case XML_ELEMENT_CONTENT_OR
:
1189 if ((content
->c1
->type
== XML_ELEMENT_CONTENT_OR
) ||
1190 (content
->c1
->type
== XML_ELEMENT_CONTENT_SEQ
))
1191 xmlDumpElementContent(buf
, content
->c1
, 1);
1193 xmlDumpElementContent(buf
, content
->c1
, 0);
1194 xmlBufferWriteChar(buf
, " | ");
1195 if ((content
->c2
->type
== XML_ELEMENT_CONTENT_SEQ
) ||
1196 ((content
->c2
->type
== XML_ELEMENT_CONTENT_OR
) &&
1197 (content
->c2
->ocur
!= XML_ELEMENT_CONTENT_ONCE
)))
1198 xmlDumpElementContent(buf
, content
->c2
, 1);
1200 xmlDumpElementContent(buf
, content
->c2
, 0);
1203 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
1204 "Internal: ELEMENT content corrupted invalid type\n",
1208 xmlBufferWriteChar(buf
, ")");
1209 switch (content
->ocur
) {
1210 case XML_ELEMENT_CONTENT_ONCE
:
1212 case XML_ELEMENT_CONTENT_OPT
:
1213 xmlBufferWriteChar(buf
, "?");
1215 case XML_ELEMENT_CONTENT_MULT
:
1216 xmlBufferWriteChar(buf
, "*");
1218 case XML_ELEMENT_CONTENT_PLUS
:
1219 xmlBufferWriteChar(buf
, "+");
1225 * xmlSprintfElementContent:
1226 * @buf: an output buffer
1227 * @content: An element table
1228 * @englob: 1 if one must print the englobing parenthesis, 0 otherwise
1230 * Deprecated, unsafe, use xmlSnprintfElementContent
1233 xmlSprintfElementContent(char *buf ATTRIBUTE_UNUSED
,
1234 xmlElementContentPtr content ATTRIBUTE_UNUSED
,
1235 int englob ATTRIBUTE_UNUSED
) {
1237 #endif /* LIBXML_OUTPUT_ENABLED */
1240 * xmlSnprintfElementContent:
1241 * @buf: an output buffer
1242 * @size: the buffer size
1243 * @content: An element table
1244 * @englob: 1 if one must print the englobing parenthesis, 0 otherwise
1246 * This will dump the content of the element content definition
1247 * Intended just for the debug routine
1250 xmlSnprintfElementContent(char *buf
, int size
, xmlElementContentPtr content
, int englob
) {
1253 if (content
== NULL
) return;
1255 if (size
- len
< 50) {
1256 if ((size
- len
> 4) && (buf
[len
- 1] != '.'))
1257 strcat(buf
, " ...");
1260 if (englob
) strcat(buf
, "(");
1261 switch (content
->type
) {
1262 case XML_ELEMENT_CONTENT_PCDATA
:
1263 strcat(buf
, "#PCDATA");
1265 case XML_ELEMENT_CONTENT_ELEMENT
:
1266 if (content
->prefix
!= NULL
) {
1267 if (size
- len
< xmlStrlen(content
->prefix
) + 10) {
1268 strcat(buf
, " ...");
1271 strcat(buf
, (char *) content
->prefix
);
1274 if (size
- len
< xmlStrlen(content
->name
) + 10) {
1275 strcat(buf
, " ...");
1278 if (content
->name
!= NULL
)
1279 strcat(buf
, (char *) content
->name
);
1281 case XML_ELEMENT_CONTENT_SEQ
:
1282 if ((content
->c1
->type
== XML_ELEMENT_CONTENT_OR
) ||
1283 (content
->c1
->type
== XML_ELEMENT_CONTENT_SEQ
))
1284 xmlSnprintfElementContent(buf
, size
, content
->c1
, 1);
1286 xmlSnprintfElementContent(buf
, size
, content
->c1
, 0);
1288 if (size
- len
< 50) {
1289 if ((size
- len
> 4) && (buf
[len
- 1] != '.'))
1290 strcat(buf
, " ...");
1294 if (((content
->c2
->type
== XML_ELEMENT_CONTENT_OR
) ||
1295 (content
->c2
->ocur
!= XML_ELEMENT_CONTENT_ONCE
)) &&
1296 (content
->c2
->type
!= XML_ELEMENT_CONTENT_ELEMENT
))
1297 xmlSnprintfElementContent(buf
, size
, content
->c2
, 1);
1299 xmlSnprintfElementContent(buf
, size
, content
->c2
, 0);
1301 case XML_ELEMENT_CONTENT_OR
:
1302 if ((content
->c1
->type
== XML_ELEMENT_CONTENT_OR
) ||
1303 (content
->c1
->type
== XML_ELEMENT_CONTENT_SEQ
))
1304 xmlSnprintfElementContent(buf
, size
, content
->c1
, 1);
1306 xmlSnprintfElementContent(buf
, size
, content
->c1
, 0);
1308 if (size
- len
< 50) {
1309 if ((size
- len
> 4) && (buf
[len
- 1] != '.'))
1310 strcat(buf
, " ...");
1314 if (((content
->c2
->type
== XML_ELEMENT_CONTENT_SEQ
) ||
1315 (content
->c2
->ocur
!= XML_ELEMENT_CONTENT_ONCE
)) &&
1316 (content
->c2
->type
!= XML_ELEMENT_CONTENT_ELEMENT
))
1317 xmlSnprintfElementContent(buf
, size
, content
->c2
, 1);
1319 xmlSnprintfElementContent(buf
, size
, content
->c2
, 0);
1324 switch (content
->ocur
) {
1325 case XML_ELEMENT_CONTENT_ONCE
:
1327 case XML_ELEMENT_CONTENT_OPT
:
1330 case XML_ELEMENT_CONTENT_MULT
:
1333 case XML_ELEMENT_CONTENT_PLUS
:
1339 /****************************************************************
1341 * Registration of DTD declarations *
1343 ****************************************************************/
1349 * Deallocate the memory used by an element definition
1352 xmlFreeElement(xmlElementPtr elem
) {
1353 if (elem
== NULL
) return;
1354 xmlUnlinkNode((xmlNodePtr
) elem
);
1355 xmlFreeDocElementContent(elem
->doc
, elem
->content
);
1356 if (elem
->name
!= NULL
)
1357 xmlFree((xmlChar
*) elem
->name
);
1358 if (elem
->prefix
!= NULL
)
1359 xmlFree((xmlChar
*) elem
->prefix
);
1360 #ifdef LIBXML_REGEXP_ENABLED
1361 if (elem
->contModel
!= NULL
)
1362 xmlRegFreeRegexp(elem
->contModel
);
1369 * xmlAddElementDecl:
1370 * @ctxt: the validation context
1371 * @dtd: pointer to the DTD
1372 * @name: the entity name
1373 * @type: the element type
1374 * @content: the element content tree or NULL
1376 * Register a new element declaration
1378 * Returns NULL if not, otherwise the entity
1381 xmlAddElementDecl(xmlValidCtxtPtr ctxt
,
1382 xmlDtdPtr dtd
, const xmlChar
*name
,
1383 xmlElementTypeVal type
,
1384 xmlElementContentPtr content
) {
1386 xmlElementTablePtr table
;
1387 xmlAttributePtr oldAttributes
= NULL
;
1388 xmlChar
*ns
, *uqname
;
1398 case XML_ELEMENT_TYPE_EMPTY
:
1399 if (content
!= NULL
) {
1400 xmlErrValid(ctxt
, XML_ERR_INTERNAL_ERROR
,
1401 "xmlAddElementDecl: content != NULL for EMPTY\n",
1406 case XML_ELEMENT_TYPE_ANY
:
1407 if (content
!= NULL
) {
1408 xmlErrValid(ctxt
, XML_ERR_INTERNAL_ERROR
,
1409 "xmlAddElementDecl: content != NULL for ANY\n",
1414 case XML_ELEMENT_TYPE_MIXED
:
1415 if (content
== NULL
) {
1416 xmlErrValid(ctxt
, XML_ERR_INTERNAL_ERROR
,
1417 "xmlAddElementDecl: content == NULL for MIXED\n",
1422 case XML_ELEMENT_TYPE_ELEMENT
:
1423 if (content
== NULL
) {
1424 xmlErrValid(ctxt
, XML_ERR_INTERNAL_ERROR
,
1425 "xmlAddElementDecl: content == NULL for ELEMENT\n",
1431 xmlErrValid(ctxt
, XML_ERR_INTERNAL_ERROR
,
1432 "Internal: ELEMENT decl corrupted invalid type\n",
1438 * check if name is a QName
1440 uqname
= xmlSplitQName2(name
, &ns
);
1445 * Create the Element table if needed.
1447 table
= (xmlElementTablePtr
) dtd
->elements
;
1448 if (table
== NULL
) {
1449 xmlDictPtr dict
= NULL
;
1451 if (dtd
->doc
!= NULL
)
1452 dict
= dtd
->doc
->dict
;
1453 table
= xmlHashCreateDict(0, dict
);
1454 dtd
->elements
= (void *) table
;
1456 if (table
== NULL
) {
1458 "xmlAddElementDecl: Table creation failed!\n");
1467 * lookup old attributes inserted on an undefined element in the
1470 if ((dtd
->doc
!= NULL
) && (dtd
->doc
->intSubset
!= NULL
)) {
1471 ret
= xmlHashLookup2(dtd
->doc
->intSubset
->elements
, name
, ns
);
1472 if ((ret
!= NULL
) && (ret
->etype
== XML_ELEMENT_TYPE_UNDEFINED
)) {
1473 oldAttributes
= ret
->attributes
;
1474 ret
->attributes
= NULL
;
1475 xmlHashRemoveEntry2(dtd
->doc
->intSubset
->elements
, name
, ns
, NULL
);
1476 xmlFreeElement(ret
);
1481 * The element may already be present if one of its attribute
1482 * was registered first
1484 ret
= xmlHashLookup2(table
, name
, ns
);
1486 if (ret
->etype
!= XML_ELEMENT_TYPE_UNDEFINED
) {
1487 #ifdef LIBXML_VALID_ENABLED
1489 * The element is already defined in this DTD.
1491 xmlErrValidNode(ctxt
, (xmlNodePtr
) dtd
, XML_DTD_ELEM_REDEFINED
,
1492 "Redefinition of element %s\n",
1494 #endif /* LIBXML_VALID_ENABLED */
1506 ret
= (xmlElementPtr
) xmlMalloc(sizeof(xmlElement
));
1508 xmlVErrMemory(ctxt
, "malloc failed");
1515 memset(ret
, 0, sizeof(xmlElement
));
1516 ret
->type
= XML_ELEMENT_DECL
;
1519 * fill the structure.
1521 ret
->name
= xmlStrdup(name
);
1522 if (ret
->name
== NULL
) {
1523 xmlVErrMemory(ctxt
, "malloc failed");
1535 * Insertion must not fail
1537 if (xmlHashAddEntry2(table
, name
, ns
, ret
)) {
1538 #ifdef LIBXML_VALID_ENABLED
1540 * The element is already defined in this DTD.
1542 xmlErrValidNode(ctxt
, (xmlNodePtr
) dtd
, XML_DTD_ELEM_REDEFINED
,
1543 "Redefinition of element %s\n",
1545 #endif /* LIBXML_VALID_ENABLED */
1546 xmlFreeElement(ret
);
1552 * For new element, may have attributes from earlier
1553 * definition in internal subset
1555 ret
->attributes
= oldAttributes
;
1559 * Finish to fill the structure.
1563 * Avoid a stupid copy when called by the parser
1564 * and flag it by setting a special parent value
1565 * so the parser doesn't unallocate it.
1567 if ((ctxt
!= NULL
) &&
1568 ((ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_0
) ||
1569 (ctxt
->finishDtd
== XML_CTXT_FINISH_DTD_1
))) {
1570 ret
->content
= content
;
1571 if (content
!= NULL
)
1572 content
->parent
= (xmlElementContentPtr
) 1;
1574 ret
->content
= xmlCopyDocElementContent(dtd
->doc
, content
);
1578 * Link it to the DTD
1581 ret
->doc
= dtd
->doc
;
1582 if (dtd
->last
== NULL
) {
1583 dtd
->children
= dtd
->last
= (xmlNodePtr
) ret
;
1585 dtd
->last
->next
= (xmlNodePtr
) ret
;
1586 ret
->prev
= dtd
->last
;
1587 dtd
->last
= (xmlNodePtr
) ret
;
1595 * xmlFreeElementTable:
1596 * @table: An element table
1598 * Deallocate the memory used by an element hash table.
1601 xmlFreeElementTable(xmlElementTablePtr table
) {
1602 xmlHashFree(table
, (xmlHashDeallocator
) xmlFreeElement
);
1605 #ifdef LIBXML_TREE_ENABLED
1610 * Build a copy of an element.
1612 * Returns the new xmlElementPtr or NULL in case of error.
1614 static xmlElementPtr
1615 xmlCopyElement(xmlElementPtr elem
) {
1618 cur
= (xmlElementPtr
) xmlMalloc(sizeof(xmlElement
));
1620 xmlVErrMemory(NULL
, "malloc failed");
1623 memset(cur
, 0, sizeof(xmlElement
));
1624 cur
->type
= XML_ELEMENT_DECL
;
1625 cur
->etype
= elem
->etype
;
1626 if (elem
->name
!= NULL
)
1627 cur
->name
= xmlStrdup(elem
->name
);
1630 if (elem
->prefix
!= NULL
)
1631 cur
->prefix
= xmlStrdup(elem
->prefix
);
1634 cur
->content
= xmlCopyElementContent(elem
->content
);
1635 /* TODO : rebuild the attribute list on the copy */
1636 cur
->attributes
= NULL
;
1641 * xmlCopyElementTable:
1642 * @table: An element table
1644 * Build a copy of an element table.
1646 * Returns the new xmlElementTablePtr or NULL in case of error.
1649 xmlCopyElementTable(xmlElementTablePtr table
) {
1650 return((xmlElementTablePtr
) xmlHashCopy(table
,
1651 (xmlHashCopier
) xmlCopyElement
));
1653 #endif /* LIBXML_TREE_ENABLED */
1655 #ifdef LIBXML_OUTPUT_ENABLED
1657 * xmlDumpElementDecl:
1658 * @buf: the XML buffer output
1659 * @elem: An element table
1661 * This will dump the content of the element declaration as an XML
1665 xmlDumpElementDecl(xmlBufferPtr buf
, xmlElementPtr elem
) {
1666 if ((buf
== NULL
) || (elem
== NULL
))
1668 switch (elem
->etype
) {
1669 case XML_ELEMENT_TYPE_EMPTY
:
1670 xmlBufferWriteChar(buf
, "<!ELEMENT ");
1671 if (elem
->prefix
!= NULL
) {
1672 xmlBufferWriteCHAR(buf
, elem
->prefix
);
1673 xmlBufferWriteChar(buf
, ":");
1675 xmlBufferWriteCHAR(buf
, elem
->name
);
1676 xmlBufferWriteChar(buf
, " EMPTY>\n");
1678 case XML_ELEMENT_TYPE_ANY
:
1679 xmlBufferWriteChar(buf
, "<!ELEMENT ");
1680 if (elem
->prefix
!= NULL
) {
1681 xmlBufferWriteCHAR(buf
, elem
->prefix
);
1682 xmlBufferWriteChar(buf
, ":");
1684 xmlBufferWriteCHAR(buf
, elem
->name
);
1685 xmlBufferWriteChar(buf
, " ANY>\n");
1687 case XML_ELEMENT_TYPE_MIXED
:
1688 xmlBufferWriteChar(buf
, "<!ELEMENT ");
1689 if (elem
->prefix
!= NULL
) {
1690 xmlBufferWriteCHAR(buf
, elem
->prefix
);
1691 xmlBufferWriteChar(buf
, ":");
1693 xmlBufferWriteCHAR(buf
, elem
->name
);
1694 xmlBufferWriteChar(buf
, " ");
1695 xmlDumpElementContent(buf
, elem
->content
, 1);
1696 xmlBufferWriteChar(buf
, ">\n");
1698 case XML_ELEMENT_TYPE_ELEMENT
:
1699 xmlBufferWriteChar(buf
, "<!ELEMENT ");
1700 if (elem
->prefix
!= NULL
) {
1701 xmlBufferWriteCHAR(buf
, elem
->prefix
);
1702 xmlBufferWriteChar(buf
, ":");
1704 xmlBufferWriteCHAR(buf
, elem
->name
);
1705 xmlBufferWriteChar(buf
, " ");
1706 xmlDumpElementContent(buf
, elem
->content
, 1);
1707 xmlBufferWriteChar(buf
, ">\n");
1710 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
1711 "Internal: ELEMENT struct corrupted invalid type\n",
1717 * xmlDumpElementDeclScan:
1718 * @elem: An element table
1719 * @buf: the XML buffer output
1721 * This routine is used by the hash scan function. It just reverses
1725 xmlDumpElementDeclScan(xmlElementPtr elem
, xmlBufferPtr buf
) {
1726 xmlDumpElementDecl(buf
, elem
);
1730 * xmlDumpElementTable:
1731 * @buf: the XML buffer output
1732 * @table: An element table
1734 * This will dump the content of the element table as an XML DTD definition
1737 xmlDumpElementTable(xmlBufferPtr buf
, xmlElementTablePtr table
) {
1738 if ((buf
== NULL
) || (table
== NULL
))
1740 xmlHashScan(table
, (xmlHashScanner
) xmlDumpElementDeclScan
, buf
);
1742 #endif /* LIBXML_OUTPUT_ENABLED */
1745 * xmlCreateEnumeration:
1746 * @name: the enumeration name or NULL
1748 * create and initialize an enumeration attribute node.
1750 * Returns the xmlEnumerationPtr just created or NULL in case
1754 xmlCreateEnumeration(const xmlChar
*name
) {
1755 xmlEnumerationPtr ret
;
1757 ret
= (xmlEnumerationPtr
) xmlMalloc(sizeof(xmlEnumeration
));
1759 xmlVErrMemory(NULL
, "malloc failed");
1762 memset(ret
, 0, sizeof(xmlEnumeration
));
1765 ret
->name
= xmlStrdup(name
);
1770 * xmlFreeEnumeration:
1771 * @cur: the tree to free.
1773 * free an enumeration attribute node (recursive).
1776 xmlFreeEnumeration(xmlEnumerationPtr cur
) {
1777 if (cur
== NULL
) return;
1779 if (cur
->next
!= NULL
) xmlFreeEnumeration(cur
->next
);
1781 if (cur
->name
!= NULL
) xmlFree((xmlChar
*) cur
->name
);
1785 #ifdef LIBXML_TREE_ENABLED
1787 * xmlCopyEnumeration:
1788 * @cur: the tree to copy.
1790 * Copy an enumeration attribute node (recursive).
1792 * Returns the xmlEnumerationPtr just created or NULL in case
1796 xmlCopyEnumeration(xmlEnumerationPtr cur
) {
1797 xmlEnumerationPtr ret
;
1799 if (cur
== NULL
) return(NULL
);
1800 ret
= xmlCreateEnumeration((xmlChar
*) cur
->name
);
1801 if (ret
== NULL
) return(NULL
);
1803 if (cur
->next
!= NULL
) ret
->next
= xmlCopyEnumeration(cur
->next
);
1804 else ret
->next
= NULL
;
1808 #endif /* LIBXML_TREE_ENABLED */
1810 #ifdef LIBXML_OUTPUT_ENABLED
1812 * xmlDumpEnumeration:
1813 * @buf: the XML buffer output
1814 * @enum: An enumeration
1816 * This will dump the content of the enumeration
1819 xmlDumpEnumeration(xmlBufferPtr buf
, xmlEnumerationPtr cur
) {
1820 if ((buf
== NULL
) || (cur
== NULL
))
1823 xmlBufferWriteCHAR(buf
, cur
->name
);
1824 if (cur
->next
== NULL
)
1825 xmlBufferWriteChar(buf
, ")");
1827 xmlBufferWriteChar(buf
, " | ");
1828 xmlDumpEnumeration(buf
, cur
->next
);
1831 #endif /* LIBXML_OUTPUT_ENABLED */
1833 #ifdef LIBXML_VALID_ENABLED
1835 * xmlScanIDAttributeDecl:
1836 * @ctxt: the validation context
1837 * @elem: the element name
1838 * @err: whether to raise errors here
1840 * Verify that the element don't have too many ID attributes
1843 * Returns the number of ID attributes found.
1846 xmlScanIDAttributeDecl(xmlValidCtxtPtr ctxt
, xmlElementPtr elem
, int err
) {
1847 xmlAttributePtr cur
;
1850 if (elem
== NULL
) return(0);
1851 cur
= elem
->attributes
;
1852 while (cur
!= NULL
) {
1853 if (cur
->atype
== XML_ATTRIBUTE_ID
) {
1855 if ((ret
> 1) && (err
))
1856 xmlErrValidNode(ctxt
, (xmlNodePtr
) elem
, XML_DTD_MULTIPLE_ID
,
1857 "Element %s has too many ID attributes defined : %s\n",
1858 elem
->name
, cur
->name
, NULL
);
1864 #endif /* LIBXML_VALID_ENABLED */
1868 * @elem: An attribute
1870 * Deallocate the memory used by an attribute definition
1873 xmlFreeAttribute(xmlAttributePtr attr
) {
1876 if (attr
== NULL
) return;
1877 if (attr
->doc
!= NULL
)
1878 dict
= attr
->doc
->dict
;
1881 xmlUnlinkNode((xmlNodePtr
) attr
);
1882 if (attr
->tree
!= NULL
)
1883 xmlFreeEnumeration(attr
->tree
);
1885 if ((attr
->elem
!= NULL
) && (!xmlDictOwns(dict
, attr
->elem
)))
1886 xmlFree((xmlChar
*) attr
->elem
);
1887 if ((attr
->name
!= NULL
) && (!xmlDictOwns(dict
, attr
->name
)))
1888 xmlFree((xmlChar
*) attr
->name
);
1889 if ((attr
->prefix
!= NULL
) && (!xmlDictOwns(dict
, attr
->prefix
)))
1890 xmlFree((xmlChar
*) attr
->prefix
);
1891 if ((attr
->defaultValue
!= NULL
) &&
1892 (!xmlDictOwns(dict
, attr
->defaultValue
)))
1893 xmlFree((xmlChar
*) attr
->defaultValue
);
1895 if (attr
->elem
!= NULL
)
1896 xmlFree((xmlChar
*) attr
->elem
);
1897 if (attr
->name
!= NULL
)
1898 xmlFree((xmlChar
*) attr
->name
);
1899 if (attr
->defaultValue
!= NULL
)
1900 xmlFree((xmlChar
*) attr
->defaultValue
);
1901 if (attr
->prefix
!= NULL
)
1902 xmlFree((xmlChar
*) attr
->prefix
);
1909 * xmlAddAttributeDecl:
1910 * @ctxt: the validation context
1911 * @dtd: pointer to the DTD
1912 * @elem: the element name
1913 * @name: the attribute name
1914 * @ns: the attribute namespace prefix
1915 * @type: the attribute type
1916 * @def: the attribute default type
1917 * @defaultValue: the attribute default value
1918 * @tree: if it's an enumeration, the associated list
1920 * Register a new attribute declaration
1921 * Note that @tree becomes the ownership of the DTD
1923 * Returns NULL if not new, otherwise the attribute decl
1926 xmlAddAttributeDecl(xmlValidCtxtPtr ctxt
,
1927 xmlDtdPtr dtd
, const xmlChar
*elem
,
1928 const xmlChar
*name
, const xmlChar
*ns
,
1929 xmlAttributeType type
, xmlAttributeDefault def
,
1930 const xmlChar
*defaultValue
, xmlEnumerationPtr tree
) {
1931 xmlAttributePtr ret
;
1932 xmlAttributeTablePtr table
;
1933 xmlElementPtr elemDef
;
1934 xmlDictPtr dict
= NULL
;
1937 xmlFreeEnumeration(tree
);
1941 xmlFreeEnumeration(tree
);
1945 xmlFreeEnumeration(tree
);
1948 if (dtd
->doc
!= NULL
)
1949 dict
= dtd
->doc
->dict
;
1951 #ifdef LIBXML_VALID_ENABLED
1953 * Check the type and possibly the default value.
1956 case XML_ATTRIBUTE_CDATA
:
1958 case XML_ATTRIBUTE_ID
:
1960 case XML_ATTRIBUTE_IDREF
:
1962 case XML_ATTRIBUTE_IDREFS
:
1964 case XML_ATTRIBUTE_ENTITY
:
1966 case XML_ATTRIBUTE_ENTITIES
:
1968 case XML_ATTRIBUTE_NMTOKEN
:
1970 case XML_ATTRIBUTE_NMTOKENS
:
1972 case XML_ATTRIBUTE_ENUMERATION
:
1974 case XML_ATTRIBUTE_NOTATION
:
1977 xmlErrValid(ctxt
, XML_ERR_INTERNAL_ERROR
,
1978 "Internal: ATTRIBUTE struct corrupted invalid type\n",
1980 xmlFreeEnumeration(tree
);
1983 if ((defaultValue
!= NULL
) &&
1984 (!xmlValidateAttributeValueInternal(dtd
->doc
, type
, defaultValue
))) {
1985 xmlErrValidNode(ctxt
, (xmlNodePtr
) dtd
, XML_DTD_ATTRIBUTE_DEFAULT
,
1986 "Attribute %s of %s: invalid default value\n",
1987 elem
, name
, defaultValue
);
1988 defaultValue
= NULL
;
1992 #endif /* LIBXML_VALID_ENABLED */
1995 * Check first that an attribute defined in the external subset wasn't
1996 * already defined in the internal subset
1998 if ((dtd
->doc
!= NULL
) && (dtd
->doc
->extSubset
== dtd
) &&
1999 (dtd
->doc
->intSubset
!= NULL
) &&
2000 (dtd
->doc
->intSubset
->attributes
!= NULL
)) {
2001 ret
= xmlHashLookup3(dtd
->doc
->intSubset
->attributes
, name
, ns
, elem
);
2003 xmlFreeEnumeration(tree
);
2009 * Create the Attribute table if needed.
2011 table
= (xmlAttributeTablePtr
) dtd
->attributes
;
2012 if (table
== NULL
) {
2013 table
= xmlHashCreateDict(0, dict
);
2014 dtd
->attributes
= (void *) table
;
2016 if (table
== NULL
) {
2018 "xmlAddAttributeDecl: Table creation failed!\n");
2019 xmlFreeEnumeration(tree
);
2024 ret
= (xmlAttributePtr
) xmlMalloc(sizeof(xmlAttribute
));
2026 xmlVErrMemory(ctxt
, "malloc failed");
2027 xmlFreeEnumeration(tree
);
2030 memset(ret
, 0, sizeof(xmlAttribute
));
2031 ret
->type
= XML_ATTRIBUTE_DECL
;
2034 * fill the structure.
2038 * doc must be set before possible error causes call
2039 * to xmlFreeAttribute (because it's used to check on
2042 ret
->doc
= dtd
->doc
;
2044 ret
->name
= xmlDictLookup(dict
, name
, -1);
2045 ret
->prefix
= xmlDictLookup(dict
, ns
, -1);
2046 ret
->elem
= xmlDictLookup(dict
, elem
, -1);
2048 ret
->name
= xmlStrdup(name
);
2049 ret
->prefix
= xmlStrdup(ns
);
2050 ret
->elem
= xmlStrdup(elem
);
2054 if (defaultValue
!= NULL
) {
2056 ret
->defaultValue
= xmlDictLookup(dict
, defaultValue
, -1);
2058 ret
->defaultValue
= xmlStrdup(defaultValue
);
2063 * Search the DTD for previous declarations of the ATTLIST
2065 if (xmlHashAddEntry3(table
, ret
->name
, ret
->prefix
, ret
->elem
, ret
) < 0) {
2066 #ifdef LIBXML_VALID_ENABLED
2068 * The attribute is already defined in this DTD.
2070 xmlErrValidWarning(ctxt
, (xmlNodePtr
) dtd
, XML_DTD_ATTRIBUTE_REDEFINED
,
2071 "Attribute %s of element %s: already defined\n",
2073 #endif /* LIBXML_VALID_ENABLED */
2074 xmlFreeAttribute(ret
);
2080 * Multiple ID per element
2082 elemDef
= xmlGetDtdElementDesc2(dtd
, elem
, 1);
2083 if (elemDef
!= NULL
) {
2085 #ifdef LIBXML_VALID_ENABLED
2086 if ((type
== XML_ATTRIBUTE_ID
) &&
2087 (xmlScanIDAttributeDecl(NULL
, elemDef
, 1) != 0)) {
2088 xmlErrValidNode(ctxt
, (xmlNodePtr
) dtd
, XML_DTD_MULTIPLE_ID
,
2089 "Element %s has too may ID attributes defined : %s\n",
2094 #endif /* LIBXML_VALID_ENABLED */
2097 * Insert namespace default def first they need to be
2100 if ((xmlStrEqual(ret
->name
, BAD_CAST
"xmlns")) ||
2101 ((ret
->prefix
!= NULL
&&
2102 (xmlStrEqual(ret
->prefix
, BAD_CAST
"xmlns"))))) {
2103 ret
->nexth
= elemDef
->attributes
;
2104 elemDef
->attributes
= ret
;
2106 xmlAttributePtr tmp
= elemDef
->attributes
;
2108 while ((tmp
!= NULL
) &&
2109 ((xmlStrEqual(tmp
->name
, BAD_CAST
"xmlns")) ||
2110 ((ret
->prefix
!= NULL
&&
2111 (xmlStrEqual(ret
->prefix
, BAD_CAST
"xmlns")))))) {
2112 if (tmp
->nexth
== NULL
)
2117 ret
->nexth
= tmp
->nexth
;
2120 ret
->nexth
= elemDef
->attributes
;
2121 elemDef
->attributes
= ret
;
2127 * Link it to the DTD
2130 if (dtd
->last
== NULL
) {
2131 dtd
->children
= dtd
->last
= (xmlNodePtr
) ret
;
2133 dtd
->last
->next
= (xmlNodePtr
) ret
;
2134 ret
->prev
= dtd
->last
;
2135 dtd
->last
= (xmlNodePtr
) ret
;
2141 * xmlFreeAttributeTable:
2142 * @table: An attribute table
2144 * Deallocate the memory used by an entities hash table.
2147 xmlFreeAttributeTable(xmlAttributeTablePtr table
) {
2148 xmlHashFree(table
, (xmlHashDeallocator
) xmlFreeAttribute
);
2151 #ifdef LIBXML_TREE_ENABLED
2154 * @attr: An attribute
2156 * Build a copy of an attribute.
2158 * Returns the new xmlAttributePtr or NULL in case of error.
2160 static xmlAttributePtr
2161 xmlCopyAttribute(xmlAttributePtr attr
) {
2162 xmlAttributePtr cur
;
2164 cur
= (xmlAttributePtr
) xmlMalloc(sizeof(xmlAttribute
));
2166 xmlVErrMemory(NULL
, "malloc failed");
2169 memset(cur
, 0, sizeof(xmlAttribute
));
2170 cur
->type
= XML_ATTRIBUTE_DECL
;
2171 cur
->atype
= attr
->atype
;
2172 cur
->def
= attr
->def
;
2173 cur
->tree
= xmlCopyEnumeration(attr
->tree
);
2174 if (attr
->elem
!= NULL
)
2175 cur
->elem
= xmlStrdup(attr
->elem
);
2176 if (attr
->name
!= NULL
)
2177 cur
->name
= xmlStrdup(attr
->name
);
2178 if (attr
->prefix
!= NULL
)
2179 cur
->prefix
= xmlStrdup(attr
->prefix
);
2180 if (attr
->defaultValue
!= NULL
)
2181 cur
->defaultValue
= xmlStrdup(attr
->defaultValue
);
2186 * xmlCopyAttributeTable:
2187 * @table: An attribute table
2189 * Build a copy of an attribute table.
2191 * Returns the new xmlAttributeTablePtr or NULL in case of error.
2193 xmlAttributeTablePtr
2194 xmlCopyAttributeTable(xmlAttributeTablePtr table
) {
2195 return((xmlAttributeTablePtr
) xmlHashCopy(table
,
2196 (xmlHashCopier
) xmlCopyAttribute
));
2198 #endif /* LIBXML_TREE_ENABLED */
2200 #ifdef LIBXML_OUTPUT_ENABLED
2202 * xmlDumpAttributeDecl:
2203 * @buf: the XML buffer output
2204 * @attr: An attribute declaration
2206 * This will dump the content of the attribute declaration as an XML
2210 xmlDumpAttributeDecl(xmlBufferPtr buf
, xmlAttributePtr attr
) {
2211 if ((buf
== NULL
) || (attr
== NULL
))
2213 xmlBufferWriteChar(buf
, "<!ATTLIST ");
2214 xmlBufferWriteCHAR(buf
, attr
->elem
);
2215 xmlBufferWriteChar(buf
, " ");
2216 if (attr
->prefix
!= NULL
) {
2217 xmlBufferWriteCHAR(buf
, attr
->prefix
);
2218 xmlBufferWriteChar(buf
, ":");
2220 xmlBufferWriteCHAR(buf
, attr
->name
);
2221 switch (attr
->atype
) {
2222 case XML_ATTRIBUTE_CDATA
:
2223 xmlBufferWriteChar(buf
, " CDATA");
2225 case XML_ATTRIBUTE_ID
:
2226 xmlBufferWriteChar(buf
, " ID");
2228 case XML_ATTRIBUTE_IDREF
:
2229 xmlBufferWriteChar(buf
, " IDREF");
2231 case XML_ATTRIBUTE_IDREFS
:
2232 xmlBufferWriteChar(buf
, " IDREFS");
2234 case XML_ATTRIBUTE_ENTITY
:
2235 xmlBufferWriteChar(buf
, " ENTITY");
2237 case XML_ATTRIBUTE_ENTITIES
:
2238 xmlBufferWriteChar(buf
, " ENTITIES");
2240 case XML_ATTRIBUTE_NMTOKEN
:
2241 xmlBufferWriteChar(buf
, " NMTOKEN");
2243 case XML_ATTRIBUTE_NMTOKENS
:
2244 xmlBufferWriteChar(buf
, " NMTOKENS");
2246 case XML_ATTRIBUTE_ENUMERATION
:
2247 xmlBufferWriteChar(buf
, " (");
2248 xmlDumpEnumeration(buf
, attr
->tree
);
2250 case XML_ATTRIBUTE_NOTATION
:
2251 xmlBufferWriteChar(buf
, " NOTATION (");
2252 xmlDumpEnumeration(buf
, attr
->tree
);
2255 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
2256 "Internal: ATTRIBUTE struct corrupted invalid type\n",
2259 switch (attr
->def
) {
2260 case XML_ATTRIBUTE_NONE
:
2262 case XML_ATTRIBUTE_REQUIRED
:
2263 xmlBufferWriteChar(buf
, " #REQUIRED");
2265 case XML_ATTRIBUTE_IMPLIED
:
2266 xmlBufferWriteChar(buf
, " #IMPLIED");
2268 case XML_ATTRIBUTE_FIXED
:
2269 xmlBufferWriteChar(buf
, " #FIXED");
2272 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
2273 "Internal: ATTRIBUTE struct corrupted invalid def\n",
2276 if (attr
->defaultValue
!= NULL
) {
2277 xmlBufferWriteChar(buf
, " ");
2278 xmlBufferWriteQuotedString(buf
, attr
->defaultValue
);
2280 xmlBufferWriteChar(buf
, ">\n");
2284 * xmlDumpAttributeDeclScan:
2285 * @attr: An attribute declaration
2286 * @buf: the XML buffer output
2288 * This is used with the hash scan function - just reverses arguments
2291 xmlDumpAttributeDeclScan(xmlAttributePtr attr
, xmlBufferPtr buf
) {
2292 xmlDumpAttributeDecl(buf
, attr
);
2296 * xmlDumpAttributeTable:
2297 * @buf: the XML buffer output
2298 * @table: An attribute table
2300 * This will dump the content of the attribute table as an XML DTD definition
2303 xmlDumpAttributeTable(xmlBufferPtr buf
, xmlAttributeTablePtr table
) {
2304 if ((buf
== NULL
) || (table
== NULL
))
2306 xmlHashScan(table
, (xmlHashScanner
) xmlDumpAttributeDeclScan
, buf
);
2308 #endif /* LIBXML_OUTPUT_ENABLED */
2310 /************************************************************************
2314 ************************************************************************/
2319 * Deallocate the memory used by an notation definition
2322 xmlFreeNotation(xmlNotationPtr nota
) {
2323 if (nota
== NULL
) return;
2324 if (nota
->name
!= NULL
)
2325 xmlFree((xmlChar
*) nota
->name
);
2326 if (nota
->PublicID
!= NULL
)
2327 xmlFree((xmlChar
*) nota
->PublicID
);
2328 if (nota
->SystemID
!= NULL
)
2329 xmlFree((xmlChar
*) nota
->SystemID
);
2335 * xmlAddNotationDecl:
2336 * @dtd: pointer to the DTD
2337 * @ctxt: the validation context
2338 * @name: the entity name
2339 * @PublicID: the public identifier or NULL
2340 * @SystemID: the system identifier or NULL
2342 * Register a new notation declaration
2344 * Returns NULL if not, otherwise the entity
2347 xmlAddNotationDecl(xmlValidCtxtPtr ctxt
, xmlDtdPtr dtd
,
2348 const xmlChar
*name
,
2349 const xmlChar
*PublicID
, const xmlChar
*SystemID
) {
2351 xmlNotationTablePtr table
;
2359 if ((PublicID
== NULL
) && (SystemID
== NULL
)) {
2364 * Create the Notation table if needed.
2366 table
= (xmlNotationTablePtr
) dtd
->notations
;
2367 if (table
== NULL
) {
2368 xmlDictPtr dict
= NULL
;
2369 if (dtd
->doc
!= NULL
)
2370 dict
= dtd
->doc
->dict
;
2372 dtd
->notations
= table
= xmlHashCreateDict(0, dict
);
2374 if (table
== NULL
) {
2376 "xmlAddNotationDecl: Table creation failed!\n");
2380 ret
= (xmlNotationPtr
) xmlMalloc(sizeof(xmlNotation
));
2382 xmlVErrMemory(ctxt
, "malloc failed");
2385 memset(ret
, 0, sizeof(xmlNotation
));
2388 * fill the structure.
2390 ret
->name
= xmlStrdup(name
);
2391 if (SystemID
!= NULL
)
2392 ret
->SystemID
= xmlStrdup(SystemID
);
2393 if (PublicID
!= NULL
)
2394 ret
->PublicID
= xmlStrdup(PublicID
);
2398 * Check the DTD for previous declarations of the ATTLIST
2400 if (xmlHashAddEntry(table
, name
, ret
)) {
2401 #ifdef LIBXML_VALID_ENABLED
2402 xmlErrValid(NULL
, XML_DTD_NOTATION_REDEFINED
,
2403 "xmlAddNotationDecl: %s already defined\n",
2404 (const char *) name
);
2405 #endif /* LIBXML_VALID_ENABLED */
2406 xmlFreeNotation(ret
);
2413 * xmlFreeNotationTable:
2414 * @table: An notation table
2416 * Deallocate the memory used by an entities hash table.
2419 xmlFreeNotationTable(xmlNotationTablePtr table
) {
2420 xmlHashFree(table
, (xmlHashDeallocator
) xmlFreeNotation
);
2423 #ifdef LIBXML_TREE_ENABLED
2428 * Build a copy of a notation.
2430 * Returns the new xmlNotationPtr or NULL in case of error.
2432 static xmlNotationPtr
2433 xmlCopyNotation(xmlNotationPtr nota
) {
2436 cur
= (xmlNotationPtr
) xmlMalloc(sizeof(xmlNotation
));
2438 xmlVErrMemory(NULL
, "malloc failed");
2441 if (nota
->name
!= NULL
)
2442 cur
->name
= xmlStrdup(nota
->name
);
2445 if (nota
->PublicID
!= NULL
)
2446 cur
->PublicID
= xmlStrdup(nota
->PublicID
);
2448 cur
->PublicID
= NULL
;
2449 if (nota
->SystemID
!= NULL
)
2450 cur
->SystemID
= xmlStrdup(nota
->SystemID
);
2452 cur
->SystemID
= NULL
;
2457 * xmlCopyNotationTable:
2458 * @table: A notation table
2460 * Build a copy of a notation table.
2462 * Returns the new xmlNotationTablePtr or NULL in case of error.
2465 xmlCopyNotationTable(xmlNotationTablePtr table
) {
2466 return((xmlNotationTablePtr
) xmlHashCopy(table
,
2467 (xmlHashCopier
) xmlCopyNotation
));
2469 #endif /* LIBXML_TREE_ENABLED */
2471 #ifdef LIBXML_OUTPUT_ENABLED
2473 * xmlDumpNotationDecl:
2474 * @buf: the XML buffer output
2475 * @nota: A notation declaration
2477 * This will dump the content the notation declaration as an XML DTD definition
2480 xmlDumpNotationDecl(xmlBufferPtr buf
, xmlNotationPtr nota
) {
2481 if ((buf
== NULL
) || (nota
== NULL
))
2483 xmlBufferWriteChar(buf
, "<!NOTATION ");
2484 xmlBufferWriteCHAR(buf
, nota
->name
);
2485 if (nota
->PublicID
!= NULL
) {
2486 xmlBufferWriteChar(buf
, " PUBLIC ");
2487 xmlBufferWriteQuotedString(buf
, nota
->PublicID
);
2488 if (nota
->SystemID
!= NULL
) {
2489 xmlBufferWriteChar(buf
, " ");
2490 xmlBufferWriteQuotedString(buf
, nota
->SystemID
);
2493 xmlBufferWriteChar(buf
, " SYSTEM ");
2494 xmlBufferWriteQuotedString(buf
, nota
->SystemID
);
2496 xmlBufferWriteChar(buf
, " >\n");
2500 * xmlDumpNotationDeclScan:
2501 * @nota: A notation declaration
2502 * @buf: the XML buffer output
2504 * This is called with the hash scan function, and just reverses args
2507 xmlDumpNotationDeclScan(xmlNotationPtr nota
, xmlBufferPtr buf
) {
2508 xmlDumpNotationDecl(buf
, nota
);
2512 * xmlDumpNotationTable:
2513 * @buf: the XML buffer output
2514 * @table: A notation table
2516 * This will dump the content of the notation table as an XML DTD definition
2519 xmlDumpNotationTable(xmlBufferPtr buf
, xmlNotationTablePtr table
) {
2520 if ((buf
== NULL
) || (table
== NULL
))
2522 xmlHashScan(table
, (xmlHashScanner
) xmlDumpNotationDeclScan
, buf
);
2524 #endif /* LIBXML_OUTPUT_ENABLED */
2526 /************************************************************************
2530 ************************************************************************/
2535 * Free a string if it is not owned by the "dict" dictionnary in the
2538 #define DICT_FREE(str) \
2539 if ((str) && ((!dict) || \
2540 (xmlDictOwns(dict, (const xmlChar *)(str)) == 0))) \
2541 xmlFree((char *)(str));
2547 * Deallocate the memory used by an id definition
2550 xmlFreeID(xmlIDPtr id
) {
2551 xmlDictPtr dict
= NULL
;
2553 if (id
== NULL
) return;
2555 if (id
->doc
!= NULL
)
2556 dict
= id
->doc
->dict
;
2558 if (id
->value
!= NULL
)
2559 DICT_FREE(id
->value
)
2560 if (id
->name
!= NULL
)
2568 * @ctxt: the validation context
2569 * @doc: pointer to the document
2570 * @value: the value name
2571 * @attr: the attribute holding the ID
2573 * Register a new id declaration
2575 * Returns NULL if not, otherwise the new xmlIDPtr
2578 xmlAddID(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
, const xmlChar
*value
,
2581 xmlIDTablePtr table
;
2586 if (value
== NULL
) {
2594 * Create the ID table if needed.
2596 table
= (xmlIDTablePtr
) doc
->ids
;
2597 if (table
== NULL
) {
2598 doc
->ids
= table
= xmlHashCreateDict(0, doc
->dict
);
2600 if (table
== NULL
) {
2602 "xmlAddID: Table creation failed!\n");
2606 ret
= (xmlIDPtr
) xmlMalloc(sizeof(xmlID
));
2608 xmlVErrMemory(ctxt
, "malloc failed");
2613 * fill the structure.
2615 ret
->value
= xmlStrdup(value
);
2617 if ((ctxt
!= NULL
) && (ctxt
->vstateNr
!= 0)) {
2619 * Operating in streaming mode, attr is gonna disapear
2621 if (doc
->dict
!= NULL
)
2622 ret
->name
= xmlDictLookup(doc
->dict
, attr
->name
, -1);
2624 ret
->name
= xmlStrdup(attr
->name
);
2630 ret
->lineno
= xmlGetLineNo(attr
->parent
);
2632 if (xmlHashAddEntry(table
, value
, ret
) < 0) {
2633 #ifdef LIBXML_VALID_ENABLED
2635 * The id is already defined in this DTD.
2638 xmlErrValidNode(ctxt
, attr
->parent
, XML_DTD_ID_REDEFINED
,
2639 "ID %s already defined\n", value
, NULL
, NULL
);
2641 #endif /* LIBXML_VALID_ENABLED */
2646 attr
->atype
= XML_ATTRIBUTE_ID
;
2652 * @table: An id table
2654 * Deallocate the memory used by an ID hash table.
2657 xmlFreeIDTable(xmlIDTablePtr table
) {
2658 xmlHashFree(table
, (xmlHashDeallocator
) xmlFreeID
);
2663 * @doc: the document
2664 * @elem: the element carrying the attribute
2665 * @attr: the attribute
2667 * Determine whether an attribute is of type ID. In case we have DTD(s)
2668 * then this is done if DTD loading has been requested. In the case
2669 * of HTML documents parsed with the HTML parser, then ID detection is
2670 * done systematically.
2672 * Returns 0 or 1 depending on the lookup result
2675 xmlIsID(xmlDocPtr doc
, xmlNodePtr elem
, xmlAttrPtr attr
) {
2676 if ((attr
== NULL
) || (attr
->name
== NULL
)) return(0);
2677 if ((attr
->ns
!= NULL
) && (attr
->ns
->prefix
!= NULL
) &&
2678 (!strcmp((char *) attr
->name
, "id")) &&
2679 (!strcmp((char *) attr
->ns
->prefix
, "xml")))
2681 if (doc
== NULL
) return(0);
2682 if ((doc
->intSubset
== NULL
) && (doc
->extSubset
== NULL
) &&
2683 (doc
->type
!= XML_HTML_DOCUMENT_NODE
)) {
2685 } else if (doc
->type
== XML_HTML_DOCUMENT_NODE
) {
2686 if ((xmlStrEqual(BAD_CAST
"id", attr
->name
)) ||
2687 ((xmlStrEqual(BAD_CAST
"name", attr
->name
)) &&
2688 ((elem
== NULL
) || (xmlStrEqual(elem
->name
, BAD_CAST
"a")))))
2691 } else if (elem
== NULL
) {
2694 xmlAttributePtr attrDecl
= NULL
;
2696 xmlChar felem
[50], fattr
[50];
2697 xmlChar
*fullelemname
, *fullattrname
;
2699 fullelemname
= (elem
->ns
!= NULL
&& elem
->ns
->prefix
!= NULL
) ?
2700 xmlBuildQName(elem
->name
, elem
->ns
->prefix
, felem
, 50) :
2701 (xmlChar
*)elem
->name
;
2703 fullattrname
= (attr
->ns
!= NULL
&& attr
->ns
->prefix
!= NULL
) ?
2704 xmlBuildQName(attr
->name
, attr
->ns
->prefix
, fattr
, 50) :
2705 (xmlChar
*)attr
->name
;
2707 if (fullelemname
!= NULL
&& fullattrname
!= NULL
) {
2708 attrDecl
= xmlGetDtdAttrDesc(doc
->intSubset
, fullelemname
,
2710 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
2711 attrDecl
= xmlGetDtdAttrDesc(doc
->extSubset
, fullelemname
,
2715 if ((fullattrname
!= fattr
) && (fullattrname
!= attr
->name
))
2716 xmlFree(fullattrname
);
2717 if ((fullelemname
!= felem
) && (fullelemname
!= elem
->name
))
2718 xmlFree(fullelemname
);
2720 if ((attrDecl
!= NULL
) && (attrDecl
->atype
== XML_ATTRIBUTE_ID
))
2728 * @doc: the document
2729 * @attr: the attribute
2731 * Remove the given attribute from the ID table maintained internally.
2733 * Returns -1 if the lookup failed and 0 otherwise
2736 xmlRemoveID(xmlDocPtr doc
, xmlAttrPtr attr
) {
2737 xmlIDTablePtr table
;
2741 if (doc
== NULL
) return(-1);
2742 if (attr
== NULL
) return(-1);
2744 table
= (xmlIDTablePtr
) doc
->ids
;
2748 ID
= xmlNodeListGetString(doc
, attr
->children
, 1);
2752 id
= xmlHashLookup(table
, ID
);
2753 if (id
== NULL
|| id
->attr
!= attr
) {
2758 xmlHashRemoveEntry(table
, ID
, (xmlHashDeallocator
) xmlFreeID
);
2766 * @doc: pointer to the document
2769 * Search the attribute declaring the given ID
2771 * Returns NULL if not found, otherwise the xmlAttrPtr defining the ID
2774 xmlGetID(xmlDocPtr doc
, const xmlChar
*ID
) {
2775 xmlIDTablePtr table
;
2786 table
= (xmlIDTablePtr
) doc
->ids
;
2790 id
= xmlHashLookup(table
, ID
);
2793 if (id
->attr
== NULL
) {
2795 * We are operating on a stream, return a well known reference
2796 * since the attribute node doesn't exist anymore
2798 return((xmlAttrPtr
) doc
);
2803 /************************************************************************
2807 ************************************************************************/
2808 typedef struct xmlRemoveMemo_t
2814 typedef xmlRemoveMemo
*xmlRemoveMemoPtr
;
2816 typedef struct xmlValidateMemo_t
2818 xmlValidCtxtPtr ctxt
;
2819 const xmlChar
*name
;
2822 typedef xmlValidateMemo
*xmlValidateMemoPtr
;
2828 * Deallocate the memory used by a ref definition
2831 xmlFreeRef(xmlLinkPtr lk
) {
2832 xmlRefPtr ref
= (xmlRefPtr
)xmlLinkGetData(lk
);
2833 if (ref
== NULL
) return;
2834 if (ref
->value
!= NULL
)
2835 xmlFree((xmlChar
*)ref
->value
);
2836 if (ref
->name
!= NULL
)
2837 xmlFree((xmlChar
*)ref
->name
);
2843 * @list_ref: A list of references.
2845 * Deallocate the memory used by a list of references
2848 xmlFreeRefList(xmlListPtr list_ref
) {
2849 if (list_ref
== NULL
) return;
2850 xmlListDelete(list_ref
);
2855 * @data: Contents of current link
2856 * @user: Value supplied by the user
2858 * Returns 0 to abort the walk or 1 to continue
2861 xmlWalkRemoveRef(const void *data
, const void *user
)
2863 xmlAttrPtr attr0
= ((xmlRefPtr
)data
)->attr
;
2864 xmlAttrPtr attr1
= ((xmlRemoveMemoPtr
)user
)->ap
;
2865 xmlListPtr ref_list
= ((xmlRemoveMemoPtr
)user
)->l
;
2867 if (attr0
== attr1
) { /* Matched: remove and terminate walk */
2868 xmlListRemoveFirst(ref_list
, (void *)data
);
2876 * @data0: Value supplied by the user
2877 * @data1: Value supplied by the user
2879 * Do nothing, return 0. Used to create unordered lists.
2882 xmlDummyCompare(const void *data0 ATTRIBUTE_UNUSED
,
2883 const void *data1 ATTRIBUTE_UNUSED
)
2890 * @ctxt: the validation context
2891 * @doc: pointer to the document
2892 * @value: the value name
2893 * @attr: the attribute holding the Ref
2895 * Register a new ref declaration
2897 * Returns NULL if not, otherwise the new xmlRefPtr
2900 xmlAddRef(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
, const xmlChar
*value
,
2903 xmlRefTablePtr table
;
2904 xmlListPtr ref_list
;
2909 if (value
== NULL
) {
2917 * Create the Ref table if needed.
2919 table
= (xmlRefTablePtr
) doc
->refs
;
2920 if (table
== NULL
) {
2921 doc
->refs
= table
= xmlHashCreateDict(0, doc
->dict
);
2923 if (table
== NULL
) {
2925 "xmlAddRef: Table creation failed!\n");
2929 ret
= (xmlRefPtr
) xmlMalloc(sizeof(xmlRef
));
2931 xmlVErrMemory(ctxt
, "malloc failed");
2936 * fill the structure.
2938 ret
->value
= xmlStrdup(value
);
2939 if ((ctxt
!= NULL
) && (ctxt
->vstateNr
!= 0)) {
2941 * Operating in streaming mode, attr is gonna disapear
2943 ret
->name
= xmlStrdup(attr
->name
);
2949 ret
->lineno
= xmlGetLineNo(attr
->parent
);
2951 /* To add a reference :-
2952 * References are maintained as a list of references,
2953 * Lookup the entry, if no entry create new nodelist
2954 * Add the owning node to the NodeList
2958 if (NULL
== (ref_list
= xmlHashLookup(table
, value
))) {
2959 if (NULL
== (ref_list
= xmlListCreate(xmlFreeRef
, xmlDummyCompare
))) {
2960 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
2961 "xmlAddRef: Reference list creation failed!\n",
2965 if (xmlHashAddEntry(table
, value
, ref_list
) < 0) {
2966 xmlListDelete(ref_list
);
2967 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
2968 "xmlAddRef: Reference list insertion failed!\n",
2973 if (xmlListAppend(ref_list
, ret
) != 0) {
2974 xmlErrValid(NULL
, XML_ERR_INTERNAL_ERROR
,
2975 "xmlAddRef: Reference list insertion failed!\n",
2982 if (ret
->value
!= NULL
)
2983 xmlFree((char *)ret
->value
);
2984 if (ret
->name
!= NULL
)
2985 xmlFree((char *)ret
->name
);
2993 * @table: An ref table
2995 * Deallocate the memory used by an Ref hash table.
2998 xmlFreeRefTable(xmlRefTablePtr table
) {
2999 xmlHashFree(table
, (xmlHashDeallocator
) xmlFreeRefList
);
3004 * @doc: the document
3005 * @elem: the element carrying the attribute
3006 * @attr: the attribute
3008 * Determine whether an attribute is of type Ref. In case we have DTD(s)
3009 * then this is simple, otherwise we use an heuristic: name Ref (upper
3012 * Returns 0 or 1 depending on the lookup result
3015 xmlIsRef(xmlDocPtr doc
, xmlNodePtr elem
, xmlAttrPtr attr
) {
3020 if (doc
== NULL
) return(0);
3023 if ((doc
->intSubset
== NULL
) && (doc
->extSubset
== NULL
)) {
3025 } else if (doc
->type
== XML_HTML_DOCUMENT_NODE
) {
3029 xmlAttributePtr attrDecl
;
3031 if (elem
== NULL
) return(0);
3032 attrDecl
= xmlGetDtdAttrDesc(doc
->intSubset
, elem
->name
, attr
->name
);
3033 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
3034 attrDecl
= xmlGetDtdAttrDesc(doc
->extSubset
,
3035 elem
->name
, attr
->name
);
3037 if ((attrDecl
!= NULL
) &&
3038 (attrDecl
->atype
== XML_ATTRIBUTE_IDREF
||
3039 attrDecl
->atype
== XML_ATTRIBUTE_IDREFS
))
3047 * @doc: the document
3048 * @attr: the attribute
3050 * Remove the given attribute from the Ref table maintained internally.
3052 * Returns -1 if the lookup failed and 0 otherwise
3055 xmlRemoveRef(xmlDocPtr doc
, xmlAttrPtr attr
) {
3056 xmlListPtr ref_list
;
3057 xmlRefTablePtr table
;
3059 xmlRemoveMemo target
;
3061 if (doc
== NULL
) return(-1);
3062 if (attr
== NULL
) return(-1);
3064 table
= (xmlRefTablePtr
) doc
->refs
;
3068 ID
= xmlNodeListGetString(doc
, attr
->children
, 1);
3072 ref_list
= xmlHashLookup(table
, ID
);
3073 if(ref_list
== NULL
) {
3078 /* At this point, ref_list refers to a list of references which
3079 * have the same key as the supplied attr. Our list of references
3080 * is ordered by reference address and we don't have that information
3081 * here to use when removing. We'll have to walk the list and
3082 * check for a matching attribute, when we find one stop the walk
3083 * and remove the entry.
3084 * The list is ordered by reference, so that means we don't have the
3085 * key. Passing the list and the reference to the walker means we
3086 * will have enough data to be able to remove the entry.
3088 target
.l
= ref_list
;
3091 /* Remove the supplied attr from our list */
3092 xmlListWalk(ref_list
, xmlWalkRemoveRef
, &target
);
3094 /*If the list is empty then remove the list entry in the hash */
3095 if (xmlListEmpty(ref_list
))
3096 xmlHashUpdateEntry(table
, ID
, NULL
, (xmlHashDeallocator
)
3104 * @doc: pointer to the document
3107 * Find the set of references for the supplied ID.
3109 * Returns NULL if not found, otherwise node set for the ID.
3112 xmlGetRefs(xmlDocPtr doc
, const xmlChar
*ID
) {
3113 xmlRefTablePtr table
;
3123 table
= (xmlRefTablePtr
) doc
->refs
;
3127 return (xmlHashLookup(table
, ID
));
3130 /************************************************************************
3132 * Routines for validity checking *
3134 ************************************************************************/
3137 * xmlGetDtdElementDesc:
3138 * @dtd: a pointer to the DtD to search
3139 * @name: the element name
3141 * Search the DTD for the description of this element
3143 * returns the xmlElementPtr if found or NULL
3147 xmlGetDtdElementDesc(xmlDtdPtr dtd
, const xmlChar
*name
) {
3148 xmlElementTablePtr table
;
3150 xmlChar
*uqname
= NULL
, *prefix
= NULL
;
3152 if ((dtd
== NULL
) || (name
== NULL
)) return(NULL
);
3153 if (dtd
->elements
== NULL
)
3155 table
= (xmlElementTablePtr
) dtd
->elements
;
3157 uqname
= xmlSplitQName2(name
, &prefix
);
3160 cur
= xmlHashLookup2(table
, name
, prefix
);
3161 if (prefix
!= NULL
) xmlFree(prefix
);
3162 if (uqname
!= NULL
) xmlFree(uqname
);
3166 * xmlGetDtdElementDesc2:
3167 * @dtd: a pointer to the DtD to search
3168 * @name: the element name
3169 * @create: create an empty description if not found
3171 * Search the DTD for the description of this element
3173 * returns the xmlElementPtr if found or NULL
3176 static xmlElementPtr
3177 xmlGetDtdElementDesc2(xmlDtdPtr dtd
, const xmlChar
*name
, int create
) {
3178 xmlElementTablePtr table
;
3180 xmlChar
*uqname
= NULL
, *prefix
= NULL
;
3182 if (dtd
== NULL
) return(NULL
);
3183 if (dtd
->elements
== NULL
) {
3184 xmlDictPtr dict
= NULL
;
3186 if (dtd
->doc
!= NULL
)
3187 dict
= dtd
->doc
->dict
;
3192 * Create the Element table if needed.
3194 table
= (xmlElementTablePtr
) dtd
->elements
;
3195 if (table
== NULL
) {
3196 table
= xmlHashCreateDict(0, dict
);
3197 dtd
->elements
= (void *) table
;
3199 if (table
== NULL
) {
3200 xmlVErrMemory(NULL
, "element table allocation failed");
3204 table
= (xmlElementTablePtr
) dtd
->elements
;
3206 uqname
= xmlSplitQName2(name
, &prefix
);
3209 cur
= xmlHashLookup2(table
, name
, prefix
);
3210 if ((cur
== NULL
) && (create
)) {
3211 cur
= (xmlElementPtr
) xmlMalloc(sizeof(xmlElement
));
3213 xmlVErrMemory(NULL
, "malloc failed");
3216 memset(cur
, 0, sizeof(xmlElement
));
3217 cur
->type
= XML_ELEMENT_DECL
;
3220 * fill the structure.
3222 cur
->name
= xmlStrdup(name
);
3223 cur
->prefix
= xmlStrdup(prefix
);
3224 cur
->etype
= XML_ELEMENT_TYPE_UNDEFINED
;
3226 xmlHashAddEntry2(table
, name
, prefix
, cur
);
3228 if (prefix
!= NULL
) xmlFree(prefix
);
3229 if (uqname
!= NULL
) xmlFree(uqname
);
3234 * xmlGetDtdQElementDesc:
3235 * @dtd: a pointer to the DtD to search
3236 * @name: the element name
3237 * @prefix: the element namespace prefix
3239 * Search the DTD for the description of this element
3241 * returns the xmlElementPtr if found or NULL
3245 xmlGetDtdQElementDesc(xmlDtdPtr dtd
, const xmlChar
*name
,
3246 const xmlChar
*prefix
) {
3247 xmlElementTablePtr table
;
3249 if (dtd
== NULL
) return(NULL
);
3250 if (dtd
->elements
== NULL
) return(NULL
);
3251 table
= (xmlElementTablePtr
) dtd
->elements
;
3253 return(xmlHashLookup2(table
, name
, prefix
));
3257 * xmlGetDtdAttrDesc:
3258 * @dtd: a pointer to the DtD to search
3259 * @elem: the element name
3260 * @name: the attribute name
3262 * Search the DTD for the description of this attribute on
3265 * returns the xmlAttributePtr if found or NULL
3269 xmlGetDtdAttrDesc(xmlDtdPtr dtd
, const xmlChar
*elem
, const xmlChar
*name
) {
3270 xmlAttributeTablePtr table
;
3271 xmlAttributePtr cur
;
3272 xmlChar
*uqname
= NULL
, *prefix
= NULL
;
3274 if (dtd
== NULL
) return(NULL
);
3275 if (dtd
->attributes
== NULL
) return(NULL
);
3277 table
= (xmlAttributeTablePtr
) dtd
->attributes
;
3281 uqname
= xmlSplitQName2(name
, &prefix
);
3283 if (uqname
!= NULL
) {
3284 cur
= xmlHashLookup3(table
, uqname
, prefix
, elem
);
3285 if (prefix
!= NULL
) xmlFree(prefix
);
3286 if (uqname
!= NULL
) xmlFree(uqname
);
3288 cur
= xmlHashLookup3(table
, name
, NULL
, elem
);
3293 * xmlGetDtdQAttrDesc:
3294 * @dtd: a pointer to the DtD to search
3295 * @elem: the element name
3296 * @name: the attribute name
3297 * @prefix: the attribute namespace prefix
3299 * Search the DTD for the description of this qualified attribute on
3302 * returns the xmlAttributePtr if found or NULL
3306 xmlGetDtdQAttrDesc(xmlDtdPtr dtd
, const xmlChar
*elem
, const xmlChar
*name
,
3307 const xmlChar
*prefix
) {
3308 xmlAttributeTablePtr table
;
3310 if (dtd
== NULL
) return(NULL
);
3311 if (dtd
->attributes
== NULL
) return(NULL
);
3312 table
= (xmlAttributeTablePtr
) dtd
->attributes
;
3314 return(xmlHashLookup3(table
, name
, prefix
, elem
));
3318 * xmlGetDtdNotationDesc:
3319 * @dtd: a pointer to the DtD to search
3320 * @name: the notation name
3322 * Search the DTD for the description of this notation
3324 * returns the xmlNotationPtr if found or NULL
3328 xmlGetDtdNotationDesc(xmlDtdPtr dtd
, const xmlChar
*name
) {
3329 xmlNotationTablePtr table
;
3331 if (dtd
== NULL
) return(NULL
);
3332 if (dtd
->notations
== NULL
) return(NULL
);
3333 table
= (xmlNotationTablePtr
) dtd
->notations
;
3335 return(xmlHashLookup(table
, name
));
3338 #if defined(LIBXML_VALID_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
3340 * xmlValidateNotationUse:
3341 * @ctxt: the validation context
3342 * @doc: the document
3343 * @notationName: the notation name to check
3345 * Validate that the given name match a notation declaration.
3346 * - [ VC: Notation Declared ]
3348 * returns 1 if valid or 0 otherwise
3352 xmlValidateNotationUse(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
3353 const xmlChar
*notationName
) {
3354 xmlNotationPtr notaDecl
;
3355 if ((doc
== NULL
) || (doc
->intSubset
== NULL
) ||
3356 (notationName
== NULL
)) return(-1);
3358 notaDecl
= xmlGetDtdNotationDesc(doc
->intSubset
, notationName
);
3359 if ((notaDecl
== NULL
) && (doc
->extSubset
!= NULL
))
3360 notaDecl
= xmlGetDtdNotationDesc(doc
->extSubset
, notationName
);
3362 if ((notaDecl
== NULL
) && (ctxt
!= NULL
)) {
3363 xmlErrValidNode(ctxt
, (xmlNodePtr
) doc
, XML_DTD_UNKNOWN_NOTATION
,
3364 "NOTATION %s is not declared\n",
3365 notationName
, NULL
, NULL
);
3370 #endif /* LIBXML_VALID_ENABLED or LIBXML_SCHEMAS_ENABLED */
3373 * xmlIsMixedElement:
3374 * @doc: the document
3375 * @name: the element name
3377 * Search in the DtDs whether an element accept Mixed content (or ANY)
3378 * basically if it is supposed to accept text childs
3380 * returns 0 if no, 1 if yes, and -1 if no element description is available
3384 xmlIsMixedElement(xmlDocPtr doc
, const xmlChar
*name
) {
3385 xmlElementPtr elemDecl
;
3387 if ((doc
== NULL
) || (doc
->intSubset
== NULL
)) return(-1);
3389 elemDecl
= xmlGetDtdElementDesc(doc
->intSubset
, name
);
3390 if ((elemDecl
== NULL
) && (doc
->extSubset
!= NULL
))
3391 elemDecl
= xmlGetDtdElementDesc(doc
->extSubset
, name
);
3392 if (elemDecl
== NULL
) return(-1);
3393 switch (elemDecl
->etype
) {
3394 case XML_ELEMENT_TYPE_UNDEFINED
:
3396 case XML_ELEMENT_TYPE_ELEMENT
:
3398 case XML_ELEMENT_TYPE_EMPTY
:
3400 * return 1 for EMPTY since we want VC error to pop up
3401 * on <empty> </empty> for example
3403 case XML_ELEMENT_TYPE_ANY
:
3404 case XML_ELEMENT_TYPE_MIXED
:
3410 #ifdef LIBXML_VALID_ENABLED
3413 xmlIsDocNameStartChar(xmlDocPtr doc
, int c
) {
3414 if ((doc
== NULL
) || (doc
->properties
& XML_DOC_OLD10
) == 0) {
3416 * Use the new checks of production [4] [4a] amd [5] of the
3417 * Update 5 of XML-1.0
3419 if (((c
>= 'a') && (c
<= 'z')) ||
3420 ((c
>= 'A') && (c
<= 'Z')) ||
3421 (c
== '_') || (c
== ':') ||
3422 ((c
>= 0xC0) && (c
<= 0xD6)) ||
3423 ((c
>= 0xD8) && (c
<= 0xF6)) ||
3424 ((c
>= 0xF8) && (c
<= 0x2FF)) ||
3425 ((c
>= 0x370) && (c
<= 0x37D)) ||
3426 ((c
>= 0x37F) && (c
<= 0x1FFF)) ||
3427 ((c
>= 0x200C) && (c
<= 0x200D)) ||
3428 ((c
>= 0x2070) && (c
<= 0x218F)) ||
3429 ((c
>= 0x2C00) && (c
<= 0x2FEF)) ||
3430 ((c
>= 0x3001) && (c
<= 0xD7FF)) ||
3431 ((c
>= 0xF900) && (c
<= 0xFDCF)) ||
3432 ((c
>= 0xFDF0) && (c
<= 0xFFFD)) ||
3433 ((c
>= 0x10000) && (c
<= 0xEFFFF)))
3436 if (IS_LETTER(c
) || (c
== '_') || (c
== ':'))
3443 xmlIsDocNameChar(xmlDocPtr doc
, int c
) {
3444 if ((doc
== NULL
) || (doc
->properties
& XML_DOC_OLD10
) == 0) {
3446 * Use the new checks of production [4] [4a] amd [5] of the
3447 * Update 5 of XML-1.0
3449 if (((c
>= 'a') && (c
<= 'z')) ||
3450 ((c
>= 'A') && (c
<= 'Z')) ||
3451 ((c
>= '0') && (c
<= '9')) || /* !start */
3452 (c
== '_') || (c
== ':') ||
3453 (c
== '-') || (c
== '.') || (c
== 0xB7) || /* !start */
3454 ((c
>= 0xC0) && (c
<= 0xD6)) ||
3455 ((c
>= 0xD8) && (c
<= 0xF6)) ||
3456 ((c
>= 0xF8) && (c
<= 0x2FF)) ||
3457 ((c
>= 0x300) && (c
<= 0x36F)) || /* !start */
3458 ((c
>= 0x370) && (c
<= 0x37D)) ||
3459 ((c
>= 0x37F) && (c
<= 0x1FFF)) ||
3460 ((c
>= 0x200C) && (c
<= 0x200D)) ||
3461 ((c
>= 0x203F) && (c
<= 0x2040)) || /* !start */
3462 ((c
>= 0x2070) && (c
<= 0x218F)) ||
3463 ((c
>= 0x2C00) && (c
<= 0x2FEF)) ||
3464 ((c
>= 0x3001) && (c
<= 0xD7FF)) ||
3465 ((c
>= 0xF900) && (c
<= 0xFDCF)) ||
3466 ((c
>= 0xFDF0) && (c
<= 0xFFFD)) ||
3467 ((c
>= 0x10000) && (c
<= 0xEFFFF)))
3470 if ((IS_LETTER(c
)) || (IS_DIGIT(c
)) ||
3471 (c
== '.') || (c
== '-') ||
3472 (c
== '_') || (c
== ':') ||
3473 (IS_COMBINING(c
)) ||
3481 * xmlValidateNameValue:
3482 * @doc: pointer to the document or NULL
3483 * @value: an Name value
3485 * Validate that the given value match Name production
3487 * returns 1 if valid or 0 otherwise
3491 xmlValidateNameValueInternal(xmlDocPtr doc
, const xmlChar
*value
) {
3495 if (value
== NULL
) return(0);
3497 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3499 if (!xmlIsDocNameStartChar(doc
, val
))
3502 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3504 while (xmlIsDocNameChar(doc
, val
)) {
3505 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3509 if (val
!= 0) return(0);
3515 * xmlValidateNameValue:
3516 * @value: an Name value
3518 * Validate that the given value match Name production
3520 * returns 1 if valid or 0 otherwise
3524 xmlValidateNameValue(const xmlChar
*value
) {
3525 return(xmlValidateNameValueInternal(NULL
, value
));
3529 * xmlValidateNamesValueInternal:
3530 * @doc: pointer to the document or NULL
3531 * @value: an Names value
3533 * Validate that the given value match Names production
3535 * returns 1 if valid or 0 otherwise
3539 xmlValidateNamesValueInternal(xmlDocPtr doc
, const xmlChar
*value
) {
3543 if (value
== NULL
) return(0);
3545 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3548 if (!xmlIsDocNameStartChar(doc
, val
))
3551 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3553 while (xmlIsDocNameChar(doc
, val
)) {
3554 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3558 /* Should not test IS_BLANK(val) here -- see erratum E20*/
3559 while (val
== 0x20) {
3560 while (val
== 0x20) {
3561 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3565 if (!xmlIsDocNameStartChar(doc
, val
))
3568 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3571 while (xmlIsDocNameChar(doc
, val
)) {
3572 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3577 if (val
!= 0) return(0);
3583 * xmlValidateNamesValue:
3584 * @value: an Names value
3586 * Validate that the given value match Names production
3588 * returns 1 if valid or 0 otherwise
3592 xmlValidateNamesValue(const xmlChar
*value
) {
3593 return(xmlValidateNamesValueInternal(NULL
, value
));
3597 * xmlValidateNmtokenValueInternal:
3598 * @doc: pointer to the document or NULL
3599 * @value: an Nmtoken value
3601 * Validate that the given value match Nmtoken production
3603 * [ VC: Name Token ]
3605 * returns 1 if valid or 0 otherwise
3609 xmlValidateNmtokenValueInternal(xmlDocPtr doc
, const xmlChar
*value
) {
3613 if (value
== NULL
) return(0);
3615 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3618 if (!xmlIsDocNameChar(doc
, val
))
3621 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3623 while (xmlIsDocNameChar(doc
, val
)) {
3624 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3628 if (val
!= 0) return(0);
3634 * xmlValidateNmtokenValue:
3635 * @value: an Nmtoken value
3637 * Validate that the given value match Nmtoken production
3639 * [ VC: Name Token ]
3641 * returns 1 if valid or 0 otherwise
3645 xmlValidateNmtokenValue(const xmlChar
*value
) {
3646 return(xmlValidateNmtokenValueInternal(NULL
, value
));
3650 * xmlValidateNmtokensValueInternal:
3651 * @doc: pointer to the document or NULL
3652 * @value: an Nmtokens value
3654 * Validate that the given value match Nmtokens production
3656 * [ VC: Name Token ]
3658 * returns 1 if valid or 0 otherwise
3662 xmlValidateNmtokensValueInternal(xmlDocPtr doc
, const xmlChar
*value
) {
3666 if (value
== NULL
) return(0);
3668 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3671 while (IS_BLANK(val
)) {
3672 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3676 if (!xmlIsDocNameChar(doc
, val
))
3679 while (xmlIsDocNameChar(doc
, val
)) {
3680 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3684 /* Should not test IS_BLANK(val) here -- see erratum E20*/
3685 while (val
== 0x20) {
3686 while (val
== 0x20) {
3687 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3690 if (val
== 0) return(1);
3692 if (!xmlIsDocNameChar(doc
, val
))
3695 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3698 while (xmlIsDocNameChar(doc
, val
)) {
3699 val
= xmlStringCurrentChar(NULL
, cur
, &len
);
3704 if (val
!= 0) return(0);
3710 * xmlValidateNmtokensValue:
3711 * @value: an Nmtokens value
3713 * Validate that the given value match Nmtokens production
3715 * [ VC: Name Token ]
3717 * returns 1 if valid or 0 otherwise
3721 xmlValidateNmtokensValue(const xmlChar
*value
) {
3722 return(xmlValidateNmtokensValueInternal(NULL
, value
));
3726 * xmlValidateNotationDecl:
3727 * @ctxt: the validation context
3728 * @doc: a document instance
3729 * @nota: a notation definition
3731 * Try to validate a single notation definition
3732 * basically it does the following checks as described by the
3733 * XML-1.0 recommendation:
3734 * - it seems that no validity constraint exists on notation declarations
3735 * But this function get called anyway ...
3737 * returns 1 if valid or 0 otherwise
3741 xmlValidateNotationDecl(xmlValidCtxtPtr ctxt ATTRIBUTE_UNUSED
, xmlDocPtr doc ATTRIBUTE_UNUSED
,
3742 xmlNotationPtr nota ATTRIBUTE_UNUSED
) {
3749 * xmlValidateAttributeValueInternal:
3750 * @doc: the document
3751 * @type: an attribute type
3752 * @value: an attribute value
3754 * Validate that the given attribute value match the proper production
3756 * returns 1 if valid or 0 otherwise
3760 xmlValidateAttributeValueInternal(xmlDocPtr doc
, xmlAttributeType type
,
3761 const xmlChar
*value
) {
3763 case XML_ATTRIBUTE_ENTITIES
:
3764 case XML_ATTRIBUTE_IDREFS
:
3765 return(xmlValidateNamesValueInternal(doc
, value
));
3766 case XML_ATTRIBUTE_ENTITY
:
3767 case XML_ATTRIBUTE_IDREF
:
3768 case XML_ATTRIBUTE_ID
:
3769 case XML_ATTRIBUTE_NOTATION
:
3770 return(xmlValidateNameValueInternal(doc
, value
));
3771 case XML_ATTRIBUTE_NMTOKENS
:
3772 case XML_ATTRIBUTE_ENUMERATION
:
3773 return(xmlValidateNmtokensValueInternal(doc
, value
));
3774 case XML_ATTRIBUTE_NMTOKEN
:
3775 return(xmlValidateNmtokenValueInternal(doc
, value
));
3776 case XML_ATTRIBUTE_CDATA
:
3783 * xmlValidateAttributeValue:
3784 * @type: an attribute type
3785 * @value: an attribute value
3787 * Validate that the given attribute value match the proper production
3790 * Values of type ID must match the Name production....
3793 * Values of type IDREF must match the Name production, and values
3794 * of type IDREFS must match Names ...
3796 * [ VC: Entity Name ]
3797 * Values of type ENTITY must match the Name production, values
3798 * of type ENTITIES must match Names ...
3800 * [ VC: Name Token ]
3801 * Values of type NMTOKEN must match the Nmtoken production; values
3802 * of type NMTOKENS must match Nmtokens.
3804 * returns 1 if valid or 0 otherwise
3807 xmlValidateAttributeValue(xmlAttributeType type
, const xmlChar
*value
) {
3808 return(xmlValidateAttributeValueInternal(NULL
, type
, value
));
3812 * xmlValidateAttributeValue2:
3813 * @ctxt: the validation context
3814 * @doc: the document
3815 * @name: the attribute name (used for error reporting only)
3816 * @type: the attribute type
3817 * @value: the attribute value
3819 * Validate that the given attribute value match a given type.
3820 * This typically cannot be done before having finished parsing
3824 * Values of type IDREF must match one of the declared IDs
3825 * Values of type IDREFS must match a sequence of the declared IDs
3826 * each Name must match the value of an ID attribute on some element
3827 * in the XML document; i.e. IDREF values must match the value of
3830 * [ VC: Entity Name ]
3831 * Values of type ENTITY must match one declared entity
3832 * Values of type ENTITIES must match a sequence of declared entities
3834 * [ VC: Notation Attributes ]
3835 * all notation names in the declaration must be declared.
3837 * returns 1 if valid or 0 otherwise
3841 xmlValidateAttributeValue2(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
3842 const xmlChar
*name
, xmlAttributeType type
, const xmlChar
*value
) {
3845 case XML_ATTRIBUTE_IDREFS
:
3846 case XML_ATTRIBUTE_IDREF
:
3847 case XML_ATTRIBUTE_ID
:
3848 case XML_ATTRIBUTE_NMTOKENS
:
3849 case XML_ATTRIBUTE_ENUMERATION
:
3850 case XML_ATTRIBUTE_NMTOKEN
:
3851 case XML_ATTRIBUTE_CDATA
:
3853 case XML_ATTRIBUTE_ENTITY
: {
3856 ent
= xmlGetDocEntity(doc
, value
);
3857 /* yeah it's a bit messy... */
3858 if ((ent
== NULL
) && (doc
->standalone
== 1)) {
3859 doc
->standalone
= 0;
3860 ent
= xmlGetDocEntity(doc
, value
);
3863 xmlErrValidNode(ctxt
, (xmlNodePtr
) doc
,
3864 XML_DTD_UNKNOWN_ENTITY
,
3865 "ENTITY attribute %s reference an unknown entity \"%s\"\n",
3868 } else if (ent
->etype
!= XML_EXTERNAL_GENERAL_UNPARSED_ENTITY
) {
3869 xmlErrValidNode(ctxt
, (xmlNodePtr
) doc
,
3870 XML_DTD_ENTITY_TYPE
,
3871 "ENTITY attribute %s reference an entity \"%s\" of wrong type\n",
3877 case XML_ATTRIBUTE_ENTITIES
: {
3878 xmlChar
*dup
, *nam
= NULL
, *cur
, save
;
3881 dup
= xmlStrdup(value
);
3887 while ((*cur
!= 0) && (!IS_BLANK_CH(*cur
))) cur
++;
3890 ent
= xmlGetDocEntity(doc
, nam
);
3892 xmlErrValidNode(ctxt
, (xmlNodePtr
) doc
,
3893 XML_DTD_UNKNOWN_ENTITY
,
3894 "ENTITIES attribute %s reference an unknown entity \"%s\"\n",
3897 } else if (ent
->etype
!= XML_EXTERNAL_GENERAL_UNPARSED_ENTITY
) {
3898 xmlErrValidNode(ctxt
, (xmlNodePtr
) doc
,
3899 XML_DTD_ENTITY_TYPE
,
3900 "ENTITIES attribute %s reference an entity \"%s\" of wrong type\n",
3907 while (IS_BLANK_CH(*cur
)) cur
++;
3912 case XML_ATTRIBUTE_NOTATION
: {
3913 xmlNotationPtr nota
;
3915 nota
= xmlGetDtdNotationDesc(doc
->intSubset
, value
);
3916 if ((nota
== NULL
) && (doc
->extSubset
!= NULL
))
3917 nota
= xmlGetDtdNotationDesc(doc
->extSubset
, value
);
3920 xmlErrValidNode(ctxt
, (xmlNodePtr
) doc
,
3921 XML_DTD_UNKNOWN_NOTATION
,
3922 "NOTATION attribute %s reference an unknown notation \"%s\"\n",
3933 * xmlValidCtxtNormalizeAttributeValue:
3934 * @ctxt: the validation context
3935 * @doc: the document
3937 * @name: the attribute name
3938 * @value: the attribute value
3939 * @ctxt: the validation context or NULL
3941 * Does the validation related extra step of the normalization of attribute
3944 * If the declared value is not CDATA, then the XML processor must further
3945 * process the normalized attribute value by discarding any leading and
3946 * trailing space (#x20) characters, and by replacing sequences of space
3947 * (#x20) characters by single space (#x20) character.
3949 * Also check VC: Standalone Document Declaration in P32, and update
3950 * ctxt->valid accordingly
3952 * returns a new normalized string if normalization is needed, NULL otherwise
3953 * the caller must free the returned value.
3957 xmlValidCtxtNormalizeAttributeValue(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
3958 xmlNodePtr elem
, const xmlChar
*name
, const xmlChar
*value
) {
3961 xmlAttributePtr attrDecl
= NULL
;
3964 if (doc
== NULL
) return(NULL
);
3965 if (elem
== NULL
) return(NULL
);
3966 if (name
== NULL
) return(NULL
);
3967 if (value
== NULL
) return(NULL
);
3969 if ((elem
->ns
!= NULL
) && (elem
->ns
->prefix
!= NULL
)) {
3973 fullname
= xmlBuildQName(elem
->name
, elem
->ns
->prefix
, fn
, 50);
3974 if (fullname
== NULL
)
3976 attrDecl
= xmlGetDtdAttrDesc(doc
->intSubset
, fullname
, name
);
3977 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
)) {
3978 attrDecl
= xmlGetDtdAttrDesc(doc
->extSubset
, fullname
, name
);
3979 if (attrDecl
!= NULL
)
3982 if ((fullname
!= fn
) && (fullname
!= elem
->name
))
3985 if ((attrDecl
== NULL
) && (doc
->intSubset
!= NULL
))
3986 attrDecl
= xmlGetDtdAttrDesc(doc
->intSubset
, elem
->name
, name
);
3987 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
)) {
3988 attrDecl
= xmlGetDtdAttrDesc(doc
->extSubset
, elem
->name
, name
);
3989 if (attrDecl
!= NULL
)
3993 if (attrDecl
== NULL
)
3995 if (attrDecl
->atype
== XML_ATTRIBUTE_CDATA
)
3998 ret
= xmlStrdup(value
);
4003 while (*src
== 0x20) src
++;
4006 while (*src
== 0x20) src
++;
4014 if ((doc
->standalone
) && (extsubset
== 1) && (!xmlStrEqual(value
, ret
))) {
4015 xmlErrValidNode(ctxt
, elem
, XML_DTD_NOT_STANDALONE
,
4016 "standalone: %s on %s value had to be normalized based on external subset declaration\n",
4017 name
, elem
->name
, NULL
);
4024 * xmlValidNormalizeAttributeValue:
4025 * @doc: the document
4027 * @name: the attribute name
4028 * @value: the attribute value
4030 * Does the validation related extra step of the normalization of attribute
4033 * If the declared value is not CDATA, then the XML processor must further
4034 * process the normalized attribute value by discarding any leading and
4035 * trailing space (#x20) characters, and by replacing sequences of space
4036 * (#x20) characters by single space (#x20) character.
4038 * Returns a new normalized string if normalization is needed, NULL otherwise
4039 * the caller must free the returned value.
4043 xmlValidNormalizeAttributeValue(xmlDocPtr doc
, xmlNodePtr elem
,
4044 const xmlChar
*name
, const xmlChar
*value
) {
4047 xmlAttributePtr attrDecl
= NULL
;
4049 if (doc
== NULL
) return(NULL
);
4050 if (elem
== NULL
) return(NULL
);
4051 if (name
== NULL
) return(NULL
);
4052 if (value
== NULL
) return(NULL
);
4054 if ((elem
->ns
!= NULL
) && (elem
->ns
->prefix
!= NULL
)) {
4058 fullname
= xmlBuildQName(elem
->name
, elem
->ns
->prefix
, fn
, 50);
4059 if (fullname
== NULL
)
4061 if ((fullname
!= fn
) && (fullname
!= elem
->name
))
4064 attrDecl
= xmlGetDtdAttrDesc(doc
->intSubset
, elem
->name
, name
);
4065 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
4066 attrDecl
= xmlGetDtdAttrDesc(doc
->extSubset
, elem
->name
, name
);
4068 if (attrDecl
== NULL
)
4070 if (attrDecl
->atype
== XML_ATTRIBUTE_CDATA
)
4073 ret
= xmlStrdup(value
);
4078 while (*src
== 0x20) src
++;
4081 while (*src
== 0x20) src
++;
4093 xmlValidateAttributeIdCallback(xmlAttributePtr attr
, int *count
,
4094 const xmlChar
* name ATTRIBUTE_UNUSED
) {
4095 if (attr
->atype
== XML_ATTRIBUTE_ID
) (*count
)++;
4099 * xmlValidateAttributeDecl:
4100 * @ctxt: the validation context
4101 * @doc: a document instance
4102 * @attr: an attribute definition
4104 * Try to validate a single attribute definition
4105 * basically it does the following checks as described by the
4106 * XML-1.0 recommendation:
4107 * - [ VC: Attribute Default Legal ]
4108 * - [ VC: Enumeration ]
4109 * - [ VC: ID Attribute Default ]
4111 * The ID/IDREF uniqueness and matching are done separately
4113 * returns 1 if valid or 0 otherwise
4117 xmlValidateAttributeDecl(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
4118 xmlAttributePtr attr
) {
4122 if(attr
== NULL
) return(1);
4124 /* Attribute Default Legal */
4126 if (attr
->defaultValue
!= NULL
) {
4127 val
= xmlValidateAttributeValueInternal(doc
, attr
->atype
,
4128 attr
->defaultValue
);
4130 xmlErrValidNode(ctxt
, (xmlNodePtr
) attr
, XML_DTD_ATTRIBUTE_DEFAULT
,
4131 "Syntax of default value for attribute %s of %s is not valid\n",
4132 attr
->name
, attr
->elem
, NULL
);
4137 /* ID Attribute Default */
4138 if ((attr
->atype
== XML_ATTRIBUTE_ID
)&&
4139 (attr
->def
!= XML_ATTRIBUTE_IMPLIED
) &&
4140 (attr
->def
!= XML_ATTRIBUTE_REQUIRED
)) {
4141 xmlErrValidNode(ctxt
, (xmlNodePtr
) attr
, XML_DTD_ID_FIXED
,
4142 "ID attribute %s of %s is not valid must be #IMPLIED or #REQUIRED\n",
4143 attr
->name
, attr
->elem
, NULL
);
4147 /* One ID per Element Type */
4148 if (attr
->atype
== XML_ATTRIBUTE_ID
) {
4151 /* the trick is that we parse DtD as their own internal subset */
4152 xmlElementPtr elem
= xmlGetDtdElementDesc(doc
->intSubset
,
4155 nbId
= xmlScanIDAttributeDecl(NULL
, elem
, 0);
4157 xmlAttributeTablePtr table
;
4160 * The attribute may be declared in the internal subset and the
4161 * element in the external subset.
4164 if (doc
->intSubset
!= NULL
) {
4165 table
= (xmlAttributeTablePtr
) doc
->intSubset
->attributes
;
4166 xmlHashScan3(table
, NULL
, NULL
, attr
->elem
, (xmlHashScanner
)
4167 xmlValidateAttributeIdCallback
, &nbId
);
4172 xmlErrValidNodeNr(ctxt
, (xmlNodePtr
) attr
, XML_DTD_ID_SUBSET
,
4173 "Element %s has %d ID attribute defined in the internal subset : %s\n",
4174 attr
->elem
, nbId
, attr
->name
);
4175 } else if (doc
->extSubset
!= NULL
) {
4177 elem
= xmlGetDtdElementDesc(doc
->extSubset
, attr
->elem
);
4179 extId
= xmlScanIDAttributeDecl(NULL
, elem
, 0);
4182 xmlErrValidNodeNr(ctxt
, (xmlNodePtr
) attr
, XML_DTD_ID_SUBSET
,
4183 "Element %s has %d ID attribute defined in the external subset : %s\n",
4184 attr
->elem
, extId
, attr
->name
);
4185 } else if (extId
+ nbId
> 1) {
4186 xmlErrValidNode(ctxt
, (xmlNodePtr
) attr
, XML_DTD_ID_SUBSET
,
4187 "Element %s has ID attributes defined in the internal and external subset : %s\n",
4188 attr
->elem
, attr
->name
, NULL
);
4193 /* Validity Constraint: Enumeration */
4194 if ((attr
->defaultValue
!= NULL
) && (attr
->tree
!= NULL
)) {
4195 xmlEnumerationPtr tree
= attr
->tree
;
4196 while (tree
!= NULL
) {
4197 if (xmlStrEqual(tree
->name
, attr
->defaultValue
)) break;
4201 xmlErrValidNode(ctxt
, (xmlNodePtr
) attr
, XML_DTD_ATTRIBUTE_VALUE
,
4202 "Default value \"%s\" for attribute %s of %s is not among the enumerated set\n",
4203 attr
->defaultValue
, attr
->name
, attr
->elem
);
4212 * xmlValidateElementDecl:
4213 * @ctxt: the validation context
4214 * @doc: a document instance
4215 * @elem: an element definition
4217 * Try to validate a single element definition
4218 * basically it does the following checks as described by the
4219 * XML-1.0 recommendation:
4220 * - [ VC: One ID per Element Type ]
4221 * - [ VC: No Duplicate Types ]
4222 * - [ VC: Unique Element Type Declaration ]
4224 * returns 1 if valid or 0 otherwise
4228 xmlValidateElementDecl(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
4229 xmlElementPtr elem
) {
4235 if (elem
== NULL
) return(1);
4238 #ifdef LIBXML_REGEXP_ENABLED
4239 /* Build the regexp associated to the content model */
4240 ret
= xmlValidBuildContentModel(ctxt
, elem
);
4244 /* No Duplicate Types */
4245 if (elem
->etype
== XML_ELEMENT_TYPE_MIXED
) {
4246 xmlElementContentPtr cur
, next
;
4247 const xmlChar
*name
;
4249 cur
= elem
->content
;
4250 while (cur
!= NULL
) {
4251 if (cur
->type
!= XML_ELEMENT_CONTENT_OR
) break;
4252 if (cur
->c1
== NULL
) break;
4253 if (cur
->c1
->type
== XML_ELEMENT_CONTENT_ELEMENT
) {
4254 name
= cur
->c1
->name
;
4256 while (next
!= NULL
) {
4257 if (next
->type
== XML_ELEMENT_CONTENT_ELEMENT
) {
4258 if ((xmlStrEqual(next
->name
, name
)) &&
4259 (xmlStrEqual(next
->prefix
, cur
->c1
->prefix
))) {
4260 if (cur
->c1
->prefix
== NULL
) {
4261 xmlErrValidNode(ctxt
, (xmlNodePtr
) elem
, XML_DTD_CONTENT_ERROR
,
4262 "Definition of %s has duplicate references of %s\n",
4263 elem
->name
, name
, NULL
);
4265 xmlErrValidNode(ctxt
, (xmlNodePtr
) elem
, XML_DTD_CONTENT_ERROR
,
4266 "Definition of %s has duplicate references of %s:%s\n",
4267 elem
->name
, cur
->c1
->prefix
, name
);
4273 if (next
->c1
== NULL
) break;
4274 if (next
->c1
->type
!= XML_ELEMENT_CONTENT_ELEMENT
) break;
4275 if ((xmlStrEqual(next
->c1
->name
, name
)) &&
4276 (xmlStrEqual(next
->c1
->prefix
, cur
->c1
->prefix
))) {
4277 if (cur
->c1
->prefix
== NULL
) {
4278 xmlErrValidNode(ctxt
, (xmlNodePtr
) elem
, XML_DTD_CONTENT_ERROR
,
4279 "Definition of %s has duplicate references to %s\n",
4280 elem
->name
, name
, NULL
);
4282 xmlErrValidNode(ctxt
, (xmlNodePtr
) elem
, XML_DTD_CONTENT_ERROR
,
4283 "Definition of %s has duplicate references to %s:%s\n",
4284 elem
->name
, cur
->c1
->prefix
, name
);
4295 /* VC: Unique Element Type Declaration */
4296 tst
= xmlGetDtdElementDesc(doc
->intSubset
, elem
->name
);
4297 if ((tst
!= NULL
) && (tst
!= elem
) &&
4298 ((tst
->prefix
== elem
->prefix
) ||
4299 (xmlStrEqual(tst
->prefix
, elem
->prefix
))) &&
4300 (tst
->etype
!= XML_ELEMENT_TYPE_UNDEFINED
)) {
4301 xmlErrValidNode(ctxt
, (xmlNodePtr
) elem
, XML_DTD_ELEM_REDEFINED
,
4302 "Redefinition of element %s\n",
4303 elem
->name
, NULL
, NULL
);
4306 tst
= xmlGetDtdElementDesc(doc
->extSubset
, elem
->name
);
4307 if ((tst
!= NULL
) && (tst
!= elem
) &&
4308 ((tst
->prefix
== elem
->prefix
) ||
4309 (xmlStrEqual(tst
->prefix
, elem
->prefix
))) &&
4310 (tst
->etype
!= XML_ELEMENT_TYPE_UNDEFINED
)) {
4311 xmlErrValidNode(ctxt
, (xmlNodePtr
) elem
, XML_DTD_ELEM_REDEFINED
,
4312 "Redefinition of element %s\n",
4313 elem
->name
, NULL
, NULL
);
4316 /* One ID per Element Type
4317 * already done when registering the attribute
4318 if (xmlScanIDAttributeDecl(ctxt, elem) > 1) {
4325 * xmlValidateOneAttribute:
4326 * @ctxt: the validation context
4327 * @doc: a document instance
4328 * @elem: an element instance
4329 * @attr: an attribute instance
4330 * @value: the attribute value (without entities processing)
4332 * Try to validate a single attribute for an element
4333 * basically it does the following checks as described by the
4334 * XML-1.0 recommendation:
4335 * - [ VC: Attribute Value Type ]
4336 * - [ VC: Fixed Attribute Default ]
4337 * - [ VC: Entity Name ]
4338 * - [ VC: Name Token ]
4341 * - [ VC: Entity Name ]
4342 * - [ VC: Notation Attributes ]
4344 * The ID/IDREF uniqueness and matching are done separately
4346 * returns 1 if valid or 0 otherwise
4350 xmlValidateOneAttribute(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
4351 xmlNodePtr elem
, xmlAttrPtr attr
, const xmlChar
*value
)
4353 xmlAttributePtr attrDecl
= NULL
;
4358 if ((elem
== NULL
) || (elem
->name
== NULL
)) return(0);
4359 if ((attr
== NULL
) || (attr
->name
== NULL
)) return(0);
4361 if ((elem
->ns
!= NULL
) && (elem
->ns
->prefix
!= NULL
)) {
4365 fullname
= xmlBuildQName(elem
->name
, elem
->ns
->prefix
, fn
, 50);
4366 if (fullname
== NULL
)
4368 if (attr
->ns
!= NULL
) {
4369 attrDecl
= xmlGetDtdQAttrDesc(doc
->intSubset
, fullname
,
4370 attr
->name
, attr
->ns
->prefix
);
4371 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
4372 attrDecl
= xmlGetDtdQAttrDesc(doc
->extSubset
, fullname
,
4373 attr
->name
, attr
->ns
->prefix
);
4375 attrDecl
= xmlGetDtdAttrDesc(doc
->intSubset
, fullname
, attr
->name
);
4376 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
4377 attrDecl
= xmlGetDtdAttrDesc(doc
->extSubset
,
4378 fullname
, attr
->name
);
4380 if ((fullname
!= fn
) && (fullname
!= elem
->name
))
4383 if (attrDecl
== NULL
) {
4384 if (attr
->ns
!= NULL
) {
4385 attrDecl
= xmlGetDtdQAttrDesc(doc
->intSubset
, elem
->name
,
4386 attr
->name
, attr
->ns
->prefix
);
4387 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
4388 attrDecl
= xmlGetDtdQAttrDesc(doc
->extSubset
, elem
->name
,
4389 attr
->name
, attr
->ns
->prefix
);
4391 attrDecl
= xmlGetDtdAttrDesc(doc
->intSubset
,
4392 elem
->name
, attr
->name
);
4393 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
4394 attrDecl
= xmlGetDtdAttrDesc(doc
->extSubset
,
4395 elem
->name
, attr
->name
);
4400 /* Validity Constraint: Attribute Value Type */
4401 if (attrDecl
== NULL
) {
4402 xmlErrValidNode(ctxt
, elem
, XML_DTD_UNKNOWN_ATTRIBUTE
,
4403 "No declaration for attribute %s of element %s\n",
4404 attr
->name
, elem
->name
, NULL
);
4407 attr
->atype
= attrDecl
->atype
;
4409 val
= xmlValidateAttributeValueInternal(doc
, attrDecl
->atype
, value
);
4411 xmlErrValidNode(ctxt
, elem
, XML_DTD_ATTRIBUTE_VALUE
,
4412 "Syntax of value for attribute %s of %s is not valid\n",
4413 attr
->name
, elem
->name
, NULL
);
4417 /* Validity constraint: Fixed Attribute Default */
4418 if (attrDecl
->def
== XML_ATTRIBUTE_FIXED
) {
4419 if (!xmlStrEqual(value
, attrDecl
->defaultValue
)) {
4420 xmlErrValidNode(ctxt
, elem
, XML_DTD_ATTRIBUTE_DEFAULT
,
4421 "Value for attribute %s of %s is different from default \"%s\"\n",
4422 attr
->name
, elem
->name
, attrDecl
->defaultValue
);
4427 /* Validity Constraint: ID uniqueness */
4428 if (attrDecl
->atype
== XML_ATTRIBUTE_ID
) {
4429 if (xmlAddID(ctxt
, doc
, value
, attr
) == NULL
)
4433 if ((attrDecl
->atype
== XML_ATTRIBUTE_IDREF
) ||
4434 (attrDecl
->atype
== XML_ATTRIBUTE_IDREFS
)) {
4435 if (xmlAddRef(ctxt
, doc
, value
, attr
) == NULL
)
4439 /* Validity Constraint: Notation Attributes */
4440 if (attrDecl
->atype
== XML_ATTRIBUTE_NOTATION
) {
4441 xmlEnumerationPtr tree
= attrDecl
->tree
;
4442 xmlNotationPtr nota
;
4444 /* First check that the given NOTATION was declared */
4445 nota
= xmlGetDtdNotationDesc(doc
->intSubset
, value
);
4447 nota
= xmlGetDtdNotationDesc(doc
->extSubset
, value
);
4450 xmlErrValidNode(ctxt
, elem
, XML_DTD_UNKNOWN_NOTATION
,
4451 "Value \"%s\" for attribute %s of %s is not a declared Notation\n",
4452 value
, attr
->name
, elem
->name
);
4456 /* Second, verify that it's among the list */
4457 while (tree
!= NULL
) {
4458 if (xmlStrEqual(tree
->name
, value
)) break;
4462 xmlErrValidNode(ctxt
, elem
, XML_DTD_NOTATION_VALUE
,
4463 "Value \"%s\" for attribute %s of %s is not among the enumerated notations\n",
4464 value
, attr
->name
, elem
->name
);
4469 /* Validity Constraint: Enumeration */
4470 if (attrDecl
->atype
== XML_ATTRIBUTE_ENUMERATION
) {
4471 xmlEnumerationPtr tree
= attrDecl
->tree
;
4472 while (tree
!= NULL
) {
4473 if (xmlStrEqual(tree
->name
, value
)) break;
4477 xmlErrValidNode(ctxt
, elem
, XML_DTD_ATTRIBUTE_VALUE
,
4478 "Value \"%s\" for attribute %s of %s is not among the enumerated set\n",
4479 value
, attr
->name
, elem
->name
);
4484 /* Fixed Attribute Default */
4485 if ((attrDecl
->def
== XML_ATTRIBUTE_FIXED
) &&
4486 (!xmlStrEqual(attrDecl
->defaultValue
, value
))) {
4487 xmlErrValidNode(ctxt
, elem
, XML_DTD_ATTRIBUTE_VALUE
,
4488 "Value for attribute %s of %s must be \"%s\"\n",
4489 attr
->name
, elem
->name
, attrDecl
->defaultValue
);
4493 /* Extra check for the attribute value */
4494 ret
&= xmlValidateAttributeValue2(ctxt
, doc
, attr
->name
,
4495 attrDecl
->atype
, value
);
4501 * xmlValidateOneNamespace:
4502 * @ctxt: the validation context
4503 * @doc: a document instance
4504 * @elem: an element instance
4505 * @prefix: the namespace prefix
4506 * @ns: an namespace declaration instance
4507 * @value: the attribute value (without entities processing)
4509 * Try to validate a single namespace declaration for an element
4510 * basically it does the following checks as described by the
4511 * XML-1.0 recommendation:
4512 * - [ VC: Attribute Value Type ]
4513 * - [ VC: Fixed Attribute Default ]
4514 * - [ VC: Entity Name ]
4515 * - [ VC: Name Token ]
4518 * - [ VC: Entity Name ]
4519 * - [ VC: Notation Attributes ]
4521 * The ID/IDREF uniqueness and matching are done separately
4523 * returns 1 if valid or 0 otherwise
4527 xmlValidateOneNamespace(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
4528 xmlNodePtr elem
, const xmlChar
*prefix
, xmlNsPtr ns
, const xmlChar
*value
) {
4529 /* xmlElementPtr elemDecl; */
4530 xmlAttributePtr attrDecl
= NULL
;
4535 if ((elem
== NULL
) || (elem
->name
== NULL
)) return(0);
4536 if ((ns
== NULL
) || (ns
->href
== NULL
)) return(0);
4538 if (prefix
!= NULL
) {
4542 fullname
= xmlBuildQName(elem
->name
, prefix
, fn
, 50);
4543 if (fullname
== NULL
) {
4544 xmlVErrMemory(ctxt
, "Validating namespace");
4547 if (ns
->prefix
!= NULL
) {
4548 attrDecl
= xmlGetDtdQAttrDesc(doc
->intSubset
, fullname
,
4549 ns
->prefix
, BAD_CAST
"xmlns");
4550 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
4551 attrDecl
= xmlGetDtdQAttrDesc(doc
->extSubset
, fullname
,
4552 ns
->prefix
, BAD_CAST
"xmlns");
4554 attrDecl
= xmlGetDtdAttrDesc(doc
->intSubset
, fullname
,
4556 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
4557 attrDecl
= xmlGetDtdAttrDesc(doc
->extSubset
, fullname
,
4560 if ((fullname
!= fn
) && (fullname
!= elem
->name
))
4563 if (attrDecl
== NULL
) {
4564 if (ns
->prefix
!= NULL
) {
4565 attrDecl
= xmlGetDtdQAttrDesc(doc
->intSubset
, elem
->name
,
4566 ns
->prefix
, BAD_CAST
"xmlns");
4567 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
4568 attrDecl
= xmlGetDtdQAttrDesc(doc
->extSubset
, elem
->name
,
4569 ns
->prefix
, BAD_CAST
"xmlns");
4571 attrDecl
= xmlGetDtdAttrDesc(doc
->intSubset
,
4572 elem
->name
, BAD_CAST
"xmlns");
4573 if ((attrDecl
== NULL
) && (doc
->extSubset
!= NULL
))
4574 attrDecl
= xmlGetDtdAttrDesc(doc
->extSubset
,
4575 elem
->name
, BAD_CAST
"xmlns");
4580 /* Validity Constraint: Attribute Value Type */
4581 if (attrDecl
== NULL
) {
4582 if (ns
->prefix
!= NULL
) {
4583 xmlErrValidNode(ctxt
, elem
, XML_DTD_UNKNOWN_ATTRIBUTE
,
4584 "No declaration for attribute xmlns:%s of element %s\n",
4585 ns
->prefix
, elem
->name
, NULL
);
4587 xmlErrValidNode(ctxt
, elem
, XML_DTD_UNKNOWN_ATTRIBUTE
,
4588 "No declaration for attribute xmlns of element %s\n",
4589 elem
->name
, NULL
, NULL
);
4594 val
= xmlValidateAttributeValueInternal(doc
, attrDecl
->atype
, value
);
4596 if (ns
->prefix
!= NULL
) {
4597 xmlErrValidNode(ctxt
, elem
, XML_DTD_INVALID_DEFAULT
,
4598 "Syntax of value for attribute xmlns:%s of %s is not valid\n",
4599 ns
->prefix
, elem
->name
, NULL
);
4601 xmlErrValidNode(ctxt
, elem
, XML_DTD_INVALID_DEFAULT
,
4602 "Syntax of value for attribute xmlns of %s is not valid\n",
4603 elem
->name
, NULL
, NULL
);
4608 /* Validity constraint: Fixed Attribute Default */
4609 if (attrDecl
->def
== XML_ATTRIBUTE_FIXED
) {
4610 if (!xmlStrEqual(value
, attrDecl
->defaultValue
)) {
4611 if (ns
->prefix
!= NULL
) {
4612 xmlErrValidNode(ctxt
, elem
, XML_DTD_ATTRIBUTE_DEFAULT
,
4613 "Value for attribute xmlns:%s of %s is different from default \"%s\"\n",
4614 ns
->prefix
, elem
->name
, attrDecl
->defaultValue
);
4616 xmlErrValidNode(ctxt
, elem
, XML_DTD_ATTRIBUTE_DEFAULT
,
4617 "Value for attribute xmlns of %s is different from default \"%s\"\n",
4618 elem
->name
, attrDecl
->defaultValue
, NULL
);
4624 /* Validity Constraint: ID uniqueness */
4625 if (attrDecl
->atype
== XML_ATTRIBUTE_ID
) {
4626 if (xmlAddID(ctxt
, doc
, value
, (xmlAttrPtr
) ns
) == NULL
)
4630 if ((attrDecl
->atype
== XML_ATTRIBUTE_IDREF
) ||
4631 (attrDecl
->atype
== XML_ATTRIBUTE_IDREFS
)) {
4632 if (xmlAddRef(ctxt
, doc
, value
, (xmlAttrPtr
) ns
) == NULL
)
4636 /* Validity Constraint: Notation Attributes */
4637 if (attrDecl
->atype
== XML_ATTRIBUTE_NOTATION
) {
4638 xmlEnumerationPtr tree
= attrDecl
->tree
;
4639 xmlNotationPtr nota
;
4641 /* First check that the given NOTATION was declared */
4642 nota
= xmlGetDtdNotationDesc(doc
->intSubset
, value
);
4644 nota
= xmlGetDtdNotationDesc(doc
->extSubset
, value
);
4647 if (ns
->prefix
!= NULL
) {
4648 xmlErrValidNode(ctxt
, elem
, XML_DTD_UNKNOWN_NOTATION
,
4649 "Value \"%s\" for attribute xmlns:%s of %s is not a declared Notation\n",
4650 value
, ns
->prefix
, elem
->name
);
4652 xmlErrValidNode(ctxt
, elem
, XML_DTD_UNKNOWN_NOTATION
,
4653 "Value \"%s\" for attribute xmlns of %s is not a declared Notation\n",
4654 value
, elem
->name
, NULL
);
4659 /* Second, verify that it's among the list */
4660 while (tree
!= NULL
) {
4661 if (xmlStrEqual(tree
->name
, value
)) break;
4665 if (ns
->prefix
!= NULL
) {
4666 xmlErrValidNode(ctxt
, elem
, XML_DTD_NOTATION_VALUE
,
4667 "Value \"%s\" for attribute xmlns:%s of %s is not among the enumerated notations\n",
4668 value
, ns
->prefix
, elem
->name
);
4670 xmlErrValidNode(ctxt
, elem
, XML_DTD_NOTATION_VALUE
,
4671 "Value \"%s\" for attribute xmlns of %s is not among the enumerated notations\n",
4672 value
, elem
->name
, NULL
);
4678 /* Validity Constraint: Enumeration */
4679 if (attrDecl
->atype
== XML_ATTRIBUTE_ENUMERATION
) {
4680 xmlEnumerationPtr tree
= attrDecl
->tree
;
4681 while (tree
!= NULL
) {
4682 if (xmlStrEqual(tree
->name
, value
)) break;
4686 if (ns
->prefix
!= NULL
) {
4687 xmlErrValidNode(ctxt
, elem
, XML_DTD_ATTRIBUTE_VALUE
,
4688 "Value \"%s\" for attribute xmlns:%s of %s is not among the enumerated set\n",
4689 value
, ns
->prefix
, elem
->name
);
4691 xmlErrValidNode(ctxt
, elem
, XML_DTD_ATTRIBUTE_VALUE
,
4692 "Value \"%s\" for attribute xmlns of %s is not among the enumerated set\n",
4693 value
, elem
->name
, NULL
);
4699 /* Fixed Attribute Default */
4700 if ((attrDecl
->def
== XML_ATTRIBUTE_FIXED
) &&
4701 (!xmlStrEqual(attrDecl
->defaultValue
, value
))) {
4702 if (ns
->prefix
!= NULL
) {
4703 xmlErrValidNode(ctxt
, elem
, XML_DTD_ELEM_NAMESPACE
,
4704 "Value for attribute xmlns:%s of %s must be \"%s\"\n",
4705 ns
->prefix
, elem
->name
, attrDecl
->defaultValue
);
4707 xmlErrValidNode(ctxt
, elem
, XML_DTD_ELEM_NAMESPACE
,
4708 "Value for attribute xmlns of %s must be \"%s\"\n",
4709 elem
->name
, attrDecl
->defaultValue
, NULL
);
4714 /* Extra check for the attribute value */
4715 if (ns
->prefix
!= NULL
) {
4716 ret
&= xmlValidateAttributeValue2(ctxt
, doc
, ns
->prefix
,
4717 attrDecl
->atype
, value
);
4719 ret
&= xmlValidateAttributeValue2(ctxt
, doc
, BAD_CAST
"xmlns",
4720 attrDecl
->atype
, value
);
4726 #ifndef LIBXML_REGEXP_ENABLED
4728 * xmlValidateSkipIgnorable:
4729 * @ctxt: the validation context
4730 * @child: the child list
4732 * Skip ignorable elements w.r.t. the validation process
4734 * returns the first element to consider for validation of the content model
4738 xmlValidateSkipIgnorable(xmlNodePtr child
) {
4739 while (child
!= NULL
) {
4740 switch (child
->type
) {
4741 /* These things are ignored (skipped) during validation. */
4743 case XML_COMMENT_NODE
:
4744 case XML_XINCLUDE_START
:
4745 case XML_XINCLUDE_END
:
4746 child
= child
->next
;
4749 if (xmlIsBlankNode(child
))
4750 child
= child
->next
;
4754 /* keep current node */
4763 * xmlValidateElementType:
4764 * @ctxt: the validation context
4766 * Try to validate the content model of an element internal function
4768 * returns 1 if valid or 0 ,-1 in case of error, -2 if an entity
4769 * reference is found and -3 if the validation succeeded but
4770 * the content model is not determinist.
4774 xmlValidateElementType(xmlValidCtxtPtr ctxt
) {
4776 int determinist
= 1;
4778 NODE
= xmlValidateSkipIgnorable(NODE
);
4779 if ((NODE
== NULL
) && (CONT
== NULL
))
4781 if ((NODE
== NULL
) &&
4782 ((CONT
->ocur
== XML_ELEMENT_CONTENT_MULT
) ||
4783 (CONT
->ocur
== XML_ELEMENT_CONTENT_OPT
))) {
4786 if (CONT
== NULL
) return(-1);
4787 if ((NODE
!= NULL
) && (NODE
->type
== XML_ENTITY_REF_NODE
))
4791 * We arrive here when more states need to be examined
4796 * We just recovered from a rollback generated by a possible
4797 * epsilon transition, go directly to the analysis phase
4799 if (STATE
== ROLLBACK_PARENT
) {
4800 DEBUG_VALID_MSG("restored parent branch");
4801 DEBUG_VALID_STATE(NODE
, CONT
)
4806 DEBUG_VALID_STATE(NODE
, CONT
)
4808 * we may have to save a backup state here. This is the equivalent
4809 * of handling epsilon transition in NFAs.
4811 if ((CONT
!= NULL
) &&
4812 ((CONT
->parent
== NULL
) ||
4813 (CONT
->parent
->type
!= XML_ELEMENT_CONTENT_OR
)) &&
4814 ((CONT
->ocur
== XML_ELEMENT_CONTENT_MULT
) ||
4815 (CONT
->ocur
== XML_ELEMENT_CONTENT_OPT
) ||
4816 ((CONT
->ocur
== XML_ELEMENT_CONTENT_PLUS
) && (OCCURRENCE
)))) {
4817 DEBUG_VALID_MSG("saving parent branch");
4818 if (vstateVPush(ctxt
, CONT
, NODE
, DEPTH
, OCCURS
, ROLLBACK_PARENT
) < 0)
4824 * Check first if the content matches
4826 switch (CONT
->type
) {
4827 case XML_ELEMENT_CONTENT_PCDATA
:
4829 DEBUG_VALID_MSG("pcdata failed no node");
4833 if (NODE
->type
== XML_TEXT_NODE
) {
4834 DEBUG_VALID_MSG("pcdata found, skip to next");
4836 * go to next element in the content model
4837 * skipping ignorable elems
4841 NODE
= xmlValidateSkipIgnorable(NODE
);
4842 if ((NODE
!= NULL
) &&
4843 (NODE
->type
== XML_ENTITY_REF_NODE
))
4845 } while ((NODE
!= NULL
) &&
4846 ((NODE
->type
!= XML_ELEMENT_NODE
) &&
4847 (NODE
->type
!= XML_TEXT_NODE
) &&
4848 (NODE
->type
!= XML_CDATA_SECTION_NODE
)));
4852 DEBUG_VALID_MSG("pcdata failed");
4857 case XML_ELEMENT_CONTENT_ELEMENT
:
4859 DEBUG_VALID_MSG("element failed no node");
4863 ret
= ((NODE
->type
== XML_ELEMENT_NODE
) &&
4864 (xmlStrEqual(NODE
->name
, CONT
->name
)));
4866 if ((NODE
->ns
== NULL
) || (NODE
->ns
->prefix
== NULL
)) {
4867 ret
= (CONT
->prefix
== NULL
);
4868 } else if (CONT
->prefix
== NULL
) {
4871 ret
= xmlStrEqual(NODE
->ns
->prefix
, CONT
->prefix
);
4875 DEBUG_VALID_MSG("element found, skip to next");
4877 * go to next element in the content model
4878 * skipping ignorable elems
4882 NODE
= xmlValidateSkipIgnorable(NODE
);
4883 if ((NODE
!= NULL
) &&
4884 (NODE
->type
== XML_ENTITY_REF_NODE
))
4886 } while ((NODE
!= NULL
) &&
4887 ((NODE
->type
!= XML_ELEMENT_NODE
) &&
4888 (NODE
->type
!= XML_TEXT_NODE
) &&
4889 (NODE
->type
!= XML_CDATA_SECTION_NODE
)));
4891 DEBUG_VALID_MSG("element failed");
4896 case XML_ELEMENT_CONTENT_OR
:
4898 * Small optimization.
4900 if (CONT
->c1
->type
== XML_ELEMENT_CONTENT_ELEMENT
) {
4901 if ((NODE
== NULL
) ||
4902 (!xmlStrEqual(NODE
->name
, CONT
->c1
->name
))) {
4907 if ((NODE
->ns
== NULL
) || (NODE
->ns
->prefix
== NULL
)) {
4908 ret
= (CONT
->c1
->prefix
== NULL
);
4909 } else if (CONT
->c1
->prefix
== NULL
) {
4912 ret
= xmlStrEqual(NODE
->ns
->prefix
, CONT
->c1
->prefix
);
4922 * save the second branch 'or' branch
4924 DEBUG_VALID_MSG("saving 'or' branch");
4925 if (vstateVPush(ctxt
, CONT
->c2
, NODE
, (unsigned char)(DEPTH
+ 1),
4926 OCCURS
, ROLLBACK_OR
) < 0)
4931 case XML_ELEMENT_CONTENT_SEQ
:
4933 * Small optimization.
4935 if ((CONT
->c1
->type
== XML_ELEMENT_CONTENT_ELEMENT
) &&
4936 ((CONT
->c1
->ocur
== XML_ELEMENT_CONTENT_OPT
) ||
4937 (CONT
->c1
->ocur
== XML_ELEMENT_CONTENT_MULT
))) {
4938 if ((NODE
== NULL
) ||
4939 (!xmlStrEqual(NODE
->name
, CONT
->c1
->name
))) {
4944 if ((NODE
->ns
== NULL
) || (NODE
->ns
->prefix
== NULL
)) {
4945 ret
= (CONT
->c1
->prefix
== NULL
);
4946 } else if (CONT
->c1
->prefix
== NULL
) {
4949 ret
= xmlStrEqual(NODE
->ns
->prefix
, CONT
->c1
->prefix
);
4963 * At this point handle going up in the tree
4966 DEBUG_VALID_MSG("error found returning");
4970 while (CONT
!= NULL
) {
4972 * First do the analysis depending on the occurrence model at
4976 switch (CONT
->ocur
) {
4979 case XML_ELEMENT_CONTENT_ONCE
:
4980 cur
= ctxt
->vstate
->node
;
4981 DEBUG_VALID_MSG("Once branch failed, rollback");
4982 if (vstateVPop(ctxt
) < 0 ) {
4983 DEBUG_VALID_MSG("exhaustion, failed");
4986 if (cur
!= ctxt
->vstate
->node
)
4989 case XML_ELEMENT_CONTENT_PLUS
:
4990 if (OCCURRENCE
== 0) {
4991 cur
= ctxt
->vstate
->node
;
4992 DEBUG_VALID_MSG("Plus branch failed, rollback");
4993 if (vstateVPop(ctxt
) < 0 ) {
4994 DEBUG_VALID_MSG("exhaustion, failed");
4997 if (cur
!= ctxt
->vstate
->node
)
5001 DEBUG_VALID_MSG("Plus branch found");
5004 case XML_ELEMENT_CONTENT_MULT
:
5005 #ifdef DEBUG_VALID_ALGO
5006 if (OCCURRENCE
== 0) {
5007 DEBUG_VALID_MSG("Mult branch failed");
5009 DEBUG_VALID_MSG("Mult branch found");
5014 case XML_ELEMENT_CONTENT_OPT
:
5015 DEBUG_VALID_MSG("Option branch failed");
5020 switch (CONT
->ocur
) {
5021 case XML_ELEMENT_CONTENT_OPT
:
5022 DEBUG_VALID_MSG("Option branch succeeded");
5025 case XML_ELEMENT_CONTENT_ONCE
:
5026 DEBUG_VALID_MSG("Once branch succeeded");
5029 case XML_ELEMENT_CONTENT_PLUS
:
5030 if (STATE
== ROLLBACK_PARENT
) {
5031 DEBUG_VALID_MSG("Plus branch rollback");
5036 DEBUG_VALID_MSG("Plus branch exhausted");
5040 DEBUG_VALID_MSG("Plus branch succeeded, continuing");
5043 case XML_ELEMENT_CONTENT_MULT
:
5044 if (STATE
== ROLLBACK_PARENT
) {
5045 DEBUG_VALID_MSG("Mult branch rollback");
5050 DEBUG_VALID_MSG("Mult branch exhausted");
5054 DEBUG_VALID_MSG("Mult branch succeeded, continuing");
5055 /* SET_OCCURRENCE; */
5062 * Then act accordingly at the parent level
5065 if (CONT
->parent
== NULL
)
5068 switch (CONT
->parent
->type
) {
5069 case XML_ELEMENT_CONTENT_PCDATA
:
5070 DEBUG_VALID_MSG("Error: parent pcdata");
5072 case XML_ELEMENT_CONTENT_ELEMENT
:
5073 DEBUG_VALID_MSG("Error: parent element");
5075 case XML_ELEMENT_CONTENT_OR
:
5077 DEBUG_VALID_MSG("Or succeeded");
5078 CONT
= CONT
->parent
;
5081 DEBUG_VALID_MSG("Or failed");
5082 CONT
= CONT
->parent
;
5086 case XML_ELEMENT_CONTENT_SEQ
:
5088 DEBUG_VALID_MSG("Sequence failed");
5089 CONT
= CONT
->parent
;
5091 } else if (CONT
== CONT
->parent
->c1
) {
5092 DEBUG_VALID_MSG("Sequence testing 2nd branch");
5093 CONT
= CONT
->parent
->c2
;
5096 DEBUG_VALID_MSG("Sequence succeeded");
5097 CONT
= CONT
->parent
;
5105 cur
= ctxt
->vstate
->node
;
5106 DEBUG_VALID_MSG("Failed, remaining input, rollback");
5107 if (vstateVPop(ctxt
) < 0 ) {
5108 DEBUG_VALID_MSG("exhaustion, failed");
5111 if (cur
!= ctxt
->vstate
->node
)
5118 cur
= ctxt
->vstate
->node
;
5119 DEBUG_VALID_MSG("Failure, rollback");
5120 if (vstateVPop(ctxt
) < 0 ) {
5121 DEBUG_VALID_MSG("exhaustion, failed");
5124 if (cur
!= ctxt
->vstate
->node
)
5128 return(determinist
);
5133 * xmlSnprintfElements:
5134 * @buf: an output buffer
5135 * @size: the size of the buffer
5136 * @content: An element
5137 * @glob: 1 if one must print the englobing parenthesis, 0 otherwise
5139 * This will dump the list of elements to the buffer
5140 * Intended just for the debug routine
5143 xmlSnprintfElements(char *buf
, int size
, xmlNodePtr node
, int glob
) {
5147 if (node
== NULL
) return;
5148 if (glob
) strcat(buf
, "(");
5150 while (cur
!= NULL
) {
5152 if (size
- len
< 50) {
5153 if ((size
- len
> 4) && (buf
[len
- 1] != '.'))
5154 strcat(buf
, " ...");
5157 switch (cur
->type
) {
5158 case XML_ELEMENT_NODE
:
5159 if ((cur
->ns
!= NULL
) && (cur
->ns
->prefix
!= NULL
)) {
5160 if (size
- len
< xmlStrlen(cur
->ns
->prefix
) + 10) {
5161 if ((size
- len
> 4) && (buf
[len
- 1] != '.'))
5162 strcat(buf
, " ...");
5165 strcat(buf
, (char *) cur
->ns
->prefix
);
5168 if (size
- len
< xmlStrlen(cur
->name
) + 10) {
5169 if ((size
- len
> 4) && (buf
[len
- 1] != '.'))
5170 strcat(buf
, " ...");
5173 strcat(buf
, (char *) cur
->name
);
5174 if (cur
->next
!= NULL
)
5178 if (xmlIsBlankNode(cur
))
5180 case XML_CDATA_SECTION_NODE
:
5181 case XML_ENTITY_REF_NODE
:
5182 strcat(buf
, "CDATA");
5183 if (cur
->next
!= NULL
)
5186 case XML_ATTRIBUTE_NODE
:
5187 case XML_DOCUMENT_NODE
:
5188 #ifdef LIBXML_DOCB_ENABLED
5189 case XML_DOCB_DOCUMENT_NODE
:
5191 case XML_HTML_DOCUMENT_NODE
:
5192 case XML_DOCUMENT_TYPE_NODE
:
5193 case XML_DOCUMENT_FRAG_NODE
:
5194 case XML_NOTATION_NODE
:
5195 case XML_NAMESPACE_DECL
:
5197 if (cur
->next
!= NULL
)
5200 case XML_ENTITY_NODE
:
5203 case XML_COMMENT_NODE
:
5204 case XML_ELEMENT_DECL
:
5205 case XML_ATTRIBUTE_DECL
:
5206 case XML_ENTITY_DECL
:
5207 case XML_XINCLUDE_START
:
5208 case XML_XINCLUDE_END
:
5213 if (glob
) strcat(buf
, ")");
5217 * xmlValidateElementContent:
5218 * @ctxt: the validation context
5219 * @child: the child list
5220 * @elemDecl: pointer to the element declaration
5221 * @warn: emit the error message
5222 * @parent: the parent element (for error reporting)
5224 * Try to validate the content model of an element
5226 * returns 1 if valid or 0 if not and -1 in case of error
5230 xmlValidateElementContent(xmlValidCtxtPtr ctxt
, xmlNodePtr child
,
5231 xmlElementPtr elemDecl
, int warn
, xmlNodePtr parent
) {
5233 #ifndef LIBXML_REGEXP_ENABLED
5234 xmlNodePtr repl
= NULL
, last
= NULL
, tmp
;
5237 xmlElementContentPtr cont
;
5238 const xmlChar
*name
;
5240 if ((elemDecl
== NULL
) || (parent
== NULL
) || (ctxt
== NULL
))
5242 cont
= elemDecl
->content
;
5243 name
= elemDecl
->name
;
5245 #ifdef LIBXML_REGEXP_ENABLED
5246 /* Build the regexp associated to the content model */
5247 if (elemDecl
->contModel
== NULL
)
5248 ret
= xmlValidBuildContentModel(ctxt
, elemDecl
);
5249 if (elemDecl
->contModel
== NULL
) {
5252 xmlRegExecCtxtPtr exec
;
5254 if (!xmlRegexpIsDeterminist(elemDecl
->contModel
)) {
5259 ctxt
->nodeTab
= NULL
;
5260 exec
= xmlRegNewExecCtxt(elemDecl
->contModel
, NULL
, NULL
);
5263 while (cur
!= NULL
) {
5264 switch (cur
->type
) {
5265 case XML_ENTITY_REF_NODE
:
5267 * Push the current node to be able to roll back
5268 * and process within the entity
5270 if ((cur
->children
!= NULL
) &&
5271 (cur
->children
->children
!= NULL
)) {
5272 nodeVPush(ctxt
, cur
);
5273 cur
= cur
->children
->children
;
5278 if (xmlIsBlankNode(cur
))
5282 case XML_CDATA_SECTION_NODE
:
5286 case XML_ELEMENT_NODE
:
5287 if ((cur
->ns
!= NULL
) && (cur
->ns
->prefix
!= NULL
)) {
5291 fullname
= xmlBuildQName(cur
->name
,
5292 cur
->ns
->prefix
, fn
, 50);
5293 if (fullname
== NULL
) {
5297 ret
= xmlRegExecPushString(exec
, fullname
, NULL
);
5298 if ((fullname
!= fn
) && (fullname
!= cur
->name
))
5301 ret
= xmlRegExecPushString(exec
, cur
->name
, NULL
);
5308 * Switch to next element
5311 while (cur
== NULL
) {
5312 cur
= nodeVPop(ctxt
);
5318 ret
= xmlRegExecPushString(exec
, NULL
, NULL
);
5320 xmlRegFreeExecCtxt(exec
);
5323 #else /* LIBXML_REGEXP_ENABLED */
5325 * Allocate the stack
5327 ctxt
->vstateMax
= 8;
5328 ctxt
->vstateTab
= (xmlValidState
*) xmlMalloc(
5329 ctxt
->vstateMax
* sizeof(ctxt
->vstateTab
[0]));
5330 if (ctxt
->vstateTab
== NULL
) {
5331 xmlVErrMemory(ctxt
, "malloc failed");
5335 * The first entry in the stack is reserved to the current state
5339 ctxt
->nodeTab
= NULL
;
5340 ctxt
->vstate
= &ctxt
->vstateTab
[0];
5347 ret
= xmlValidateElementType(ctxt
);
5348 if ((ret
== -3) && (warn
)) {
5349 xmlErrValidWarning(ctxt
, child
, XML_DTD_CONTENT_NOT_DETERMINIST
,
5350 "Content model for Element %s is ambiguous\n",
5352 } else if (ret
== -2) {
5354 * An entities reference appeared at this level.
5355 * Buid a minimal representation of this node content
5356 * sufficient to run the validation process on it
5358 DEBUG_VALID_MSG("Found an entity reference, linearizing");
5360 while (cur
!= NULL
) {
5361 switch (cur
->type
) {
5362 case XML_ENTITY_REF_NODE
:
5364 * Push the current node to be able to roll back
5365 * and process within the entity
5367 if ((cur
->children
!= NULL
) &&
5368 (cur
->children
->children
!= NULL
)) {
5369 nodeVPush(ctxt
, cur
);
5370 cur
= cur
->children
->children
;
5375 if (xmlIsBlankNode(cur
))
5377 /* no break on purpose */
5378 case XML_CDATA_SECTION_NODE
:
5379 /* no break on purpose */
5380 case XML_ELEMENT_NODE
:
5382 * Allocate a new node and minimally fills in
5385 tmp
= (xmlNodePtr
) xmlMalloc(sizeof(xmlNode
));
5387 xmlVErrMemory(ctxt
, "malloc failed");
5388 xmlFreeNodeList(repl
);
5392 tmp
->type
= cur
->type
;
5393 tmp
->name
= cur
->name
;
5396 tmp
->content
= NULL
;
5403 if (cur
->type
== XML_CDATA_SECTION_NODE
) {
5405 * E59 spaces in CDATA does not match the
5408 tmp
->content
= xmlStrdup(BAD_CAST
"CDATA");
5415 * Switch to next element
5418 while (cur
== NULL
) {
5419 cur
= nodeVPop(ctxt
);
5427 * Relaunch the validation
5429 ctxt
->vstate
= &ctxt
->vstateTab
[0];
5436 ret
= xmlValidateElementType(ctxt
);
5438 #endif /* LIBXML_REGEXP_ENABLED */
5439 if ((warn
) && ((ret
!= 1) && (ret
!= -3))) {
5445 xmlSnprintfElementContent(&expr
[0], 5000, cont
, 1);
5447 #ifndef LIBXML_REGEXP_ENABLED
5449 xmlSnprintfElements(&list
[0], 5000, repl
, 1);
5451 #endif /* LIBXML_REGEXP_ENABLED */
5452 xmlSnprintfElements(&list
[0], 5000, child
, 1);
5455 xmlErrValidNode(ctxt
, parent
, XML_DTD_CONTENT_MODEL
,
5456 "Element %s content does not follow the DTD, expecting %s, got %s\n",
5457 name
, BAD_CAST expr
, BAD_CAST list
);
5459 xmlErrValidNode(ctxt
, parent
, XML_DTD_CONTENT_MODEL
,
5460 "Element content does not follow the DTD, expecting %s, got %s\n",
5461 BAD_CAST expr
, BAD_CAST list
, NULL
);
5465 xmlErrValidNode(ctxt
, parent
, XML_DTD_CONTENT_MODEL
,
5466 "Element %s content does not follow the DTD\n",
5469 xmlErrValidNode(ctxt
, parent
, XML_DTD_CONTENT_MODEL
,
5470 "Element content does not follow the DTD\n",
5479 #ifndef LIBXML_REGEXP_ENABLED
5482 * Deallocate the copy if done, and free up the validation stack
5484 while (repl
!= NULL
) {
5489 ctxt
->vstateMax
= 0;
5490 if (ctxt
->vstateTab
!= NULL
) {
5491 xmlFree(ctxt
->vstateTab
);
5492 ctxt
->vstateTab
= NULL
;
5497 if (ctxt
->nodeTab
!= NULL
) {
5498 xmlFree(ctxt
->nodeTab
);
5499 ctxt
->nodeTab
= NULL
;
5506 * xmlValidateCdataElement:
5507 * @ctxt: the validation context
5508 * @doc: a document instance
5509 * @elem: an element instance
5511 * Check that an element follows #CDATA
5513 * returns 1 if valid or 0 otherwise
5516 xmlValidateOneCdataElement(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
5519 xmlNodePtr cur
, child
;
5521 if ((ctxt
== NULL
) || (doc
== NULL
) || (elem
== NULL
) ||
5522 (elem
->type
!= XML_ELEMENT_NODE
))
5525 child
= elem
->children
;
5528 while (cur
!= NULL
) {
5529 switch (cur
->type
) {
5530 case XML_ENTITY_REF_NODE
:
5532 * Push the current node to be able to roll back
5533 * and process within the entity
5535 if ((cur
->children
!= NULL
) &&
5536 (cur
->children
->children
!= NULL
)) {
5537 nodeVPush(ctxt
, cur
);
5538 cur
= cur
->children
->children
;
5542 case XML_COMMENT_NODE
:
5545 case XML_CDATA_SECTION_NODE
:
5552 * Switch to next element
5555 while (cur
== NULL
) {
5556 cur
= nodeVPop(ctxt
);
5565 if (ctxt
->nodeTab
!= NULL
) {
5566 xmlFree(ctxt
->nodeTab
);
5567 ctxt
->nodeTab
= NULL
;
5573 * xmlValidateCheckMixed:
5574 * @ctxt: the validation context
5575 * @cont: the mixed content model
5576 * @qname: the qualified name as appearing in the serialization
5578 * Check if the given node is part of the content model.
5580 * Returns 1 if yes, 0 if no, -1 in case of error
5583 xmlValidateCheckMixed(xmlValidCtxtPtr ctxt
,
5584 xmlElementContentPtr cont
, const xmlChar
*qname
) {
5585 const xmlChar
*name
;
5587 name
= xmlSplitQName3(qname
, &plen
);
5590 while (cont
!= NULL
) {
5591 if (cont
->type
== XML_ELEMENT_CONTENT_ELEMENT
) {
5592 if ((cont
->prefix
== NULL
) && (xmlStrEqual(cont
->name
, qname
)))
5594 } else if ((cont
->type
== XML_ELEMENT_CONTENT_OR
) &&
5595 (cont
->c1
!= NULL
) &&
5596 (cont
->c1
->type
== XML_ELEMENT_CONTENT_ELEMENT
)){
5597 if ((cont
->c1
->prefix
== NULL
) &&
5598 (xmlStrEqual(cont
->c1
->name
, qname
)))
5600 } else if ((cont
->type
!= XML_ELEMENT_CONTENT_OR
) ||
5601 (cont
->c1
== NULL
) ||
5602 (cont
->c1
->type
!= XML_ELEMENT_CONTENT_PCDATA
)){
5603 xmlErrValid(NULL
, XML_DTD_MIXED_CORRUPT
,
5604 "Internal: MIXED struct corrupted\n",
5611 while (cont
!= NULL
) {
5612 if (cont
->type
== XML_ELEMENT_CONTENT_ELEMENT
) {
5613 if ((cont
->prefix
!= NULL
) &&
5614 (xmlStrncmp(cont
->prefix
, qname
, plen
) == 0) &&
5615 (xmlStrEqual(cont
->name
, name
)))
5617 } else if ((cont
->type
== XML_ELEMENT_CONTENT_OR
) &&
5618 (cont
->c1
!= NULL
) &&
5619 (cont
->c1
->type
== XML_ELEMENT_CONTENT_ELEMENT
)){
5620 if ((cont
->c1
->prefix
!= NULL
) &&
5621 (xmlStrncmp(cont
->c1
->prefix
, qname
, plen
) == 0) &&
5622 (xmlStrEqual(cont
->c1
->name
, name
)))
5624 } else if ((cont
->type
!= XML_ELEMENT_CONTENT_OR
) ||
5625 (cont
->c1
== NULL
) ||
5626 (cont
->c1
->type
!= XML_ELEMENT_CONTENT_PCDATA
)){
5627 xmlErrValid(ctxt
, XML_DTD_MIXED_CORRUPT
,
5628 "Internal: MIXED struct corrupted\n",
5639 * xmlValidGetElemDecl:
5640 * @ctxt: the validation context
5641 * @doc: a document instance
5642 * @elem: an element instance
5643 * @extsubset: pointer, (out) indicate if the declaration was found
5644 * in the external subset.
5646 * Finds a declaration associated to an element in the document.
5648 * returns the pointer to the declaration or NULL if not found.
5650 static xmlElementPtr
5651 xmlValidGetElemDecl(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
5652 xmlNodePtr elem
, int *extsubset
) {
5653 xmlElementPtr elemDecl
= NULL
;
5654 const xmlChar
*prefix
= NULL
;
5656 if ((ctxt
== NULL
) || (doc
== NULL
) ||
5657 (elem
== NULL
) || (elem
->name
== NULL
))
5659 if (extsubset
!= NULL
)
5663 * Fetch the declaration for the qualified name
5665 if ((elem
->ns
!= NULL
) && (elem
->ns
->prefix
!= NULL
))
5666 prefix
= elem
->ns
->prefix
;
5668 if (prefix
!= NULL
) {
5669 elemDecl
= xmlGetDtdQElementDesc(doc
->intSubset
,
5670 elem
->name
, prefix
);
5671 if ((elemDecl
== NULL
) && (doc
->extSubset
!= NULL
)) {
5672 elemDecl
= xmlGetDtdQElementDesc(doc
->extSubset
,
5673 elem
->name
, prefix
);
5674 if ((elemDecl
!= NULL
) && (extsubset
!= NULL
))
5680 * Fetch the declaration for the non qualified name
5681 * This is "non-strict" validation should be done on the
5682 * full QName but in that case being flexible makes sense.
5684 if (elemDecl
== NULL
) {
5685 elemDecl
= xmlGetDtdElementDesc(doc
->intSubset
, elem
->name
);
5686 if ((elemDecl
== NULL
) && (doc
->extSubset
!= NULL
)) {
5687 elemDecl
= xmlGetDtdElementDesc(doc
->extSubset
, elem
->name
);
5688 if ((elemDecl
!= NULL
) && (extsubset
!= NULL
))
5692 if (elemDecl
== NULL
) {
5693 xmlErrValidNode(ctxt
, elem
,
5694 XML_DTD_UNKNOWN_ELEM
,
5695 "No declaration for element %s\n",
5696 elem
->name
, NULL
, NULL
);
5701 #ifdef LIBXML_REGEXP_ENABLED
5703 * xmlValidatePushElement:
5704 * @ctxt: the validation context
5705 * @doc: a document instance
5706 * @elem: an element instance
5707 * @qname: the qualified name as appearing in the serialization
5709 * Push a new element start on the validation stack.
5711 * returns 1 if no validation problem was found or 0 otherwise
5714 xmlValidatePushElement(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
5715 xmlNodePtr elem
, const xmlChar
*qname
) {
5717 xmlElementPtr eDecl
;
5722 /* printf("PushElem %s\n", qname); */
5723 if ((ctxt
->vstateNr
> 0) && (ctxt
->vstate
!= NULL
)) {
5724 xmlValidStatePtr state
= ctxt
->vstate
;
5725 xmlElementPtr elemDecl
;
5728 * Check the new element agaisnt the content model of the new elem.
5730 if (state
->elemDecl
!= NULL
) {
5731 elemDecl
= state
->elemDecl
;
5733 switch(elemDecl
->etype
) {
5734 case XML_ELEMENT_TYPE_UNDEFINED
:
5737 case XML_ELEMENT_TYPE_EMPTY
:
5738 xmlErrValidNode(ctxt
, state
->node
,
5740 "Element %s was declared EMPTY this one has content\n",
5741 state
->node
->name
, NULL
, NULL
);
5744 case XML_ELEMENT_TYPE_ANY
:
5745 /* I don't think anything is required then */
5747 case XML_ELEMENT_TYPE_MIXED
:
5748 /* simple case of declared as #PCDATA */
5749 if ((elemDecl
->content
!= NULL
) &&
5750 (elemDecl
->content
->type
==
5751 XML_ELEMENT_CONTENT_PCDATA
)) {
5752 xmlErrValidNode(ctxt
, state
->node
,
5754 "Element %s was declared #PCDATA but contains non text nodes\n",
5755 state
->node
->name
, NULL
, NULL
);
5758 ret
= xmlValidateCheckMixed(ctxt
, elemDecl
->content
,
5761 xmlErrValidNode(ctxt
, state
->node
,
5762 XML_DTD_INVALID_CHILD
,
5763 "Element %s is not declared in %s list of possible children\n",
5764 qname
, state
->node
->name
, NULL
);
5768 case XML_ELEMENT_TYPE_ELEMENT
:
5771 * VC: Standalone Document Declaration
5772 * - element types with element content, if white space
5773 * occurs directly within any instance of those types.
5775 if (state
->exec
!= NULL
) {
5776 ret
= xmlRegExecPushString(state
->exec
, qname
, NULL
);
5778 xmlErrValidNode(ctxt
, state
->node
,
5779 XML_DTD_CONTENT_MODEL
,
5780 "Element %s content does not follow the DTD, Misplaced %s\n",
5781 state
->node
->name
, qname
, NULL
);
5791 eDecl
= xmlValidGetElemDecl(ctxt
, doc
, elem
, &extsubset
);
5792 vstateVPush(ctxt
, eDecl
, elem
);
5797 * xmlValidatePushCData:
5798 * @ctxt: the validation context
5799 * @data: some character data read
5800 * @len: the length of the data
5802 * check the CData parsed for validation in the current stack
5804 * returns 1 if no validation problem was found or 0 otherwise
5807 xmlValidatePushCData(xmlValidCtxtPtr ctxt
, const xmlChar
*data
, int len
) {
5810 /* printf("CDATA %s %d\n", data, len); */
5815 if ((ctxt
->vstateNr
> 0) && (ctxt
->vstate
!= NULL
)) {
5816 xmlValidStatePtr state
= ctxt
->vstate
;
5817 xmlElementPtr elemDecl
;
5820 * Check the new element agaisnt the content model of the new elem.
5822 if (state
->elemDecl
!= NULL
) {
5823 elemDecl
= state
->elemDecl
;
5825 switch(elemDecl
->etype
) {
5826 case XML_ELEMENT_TYPE_UNDEFINED
:
5829 case XML_ELEMENT_TYPE_EMPTY
:
5830 xmlErrValidNode(ctxt
, state
->node
,
5832 "Element %s was declared EMPTY this one has content\n",
5833 state
->node
->name
, NULL
, NULL
);
5836 case XML_ELEMENT_TYPE_ANY
:
5838 case XML_ELEMENT_TYPE_MIXED
:
5840 case XML_ELEMENT_TYPE_ELEMENT
:
5844 for (i
= 0;i
< len
;i
++) {
5845 if (!IS_BLANK_CH(data
[i
])) {
5846 xmlErrValidNode(ctxt
, state
->node
,
5847 XML_DTD_CONTENT_MODEL
,
5848 "Element %s content does not follow the DTD, Text not allowed\n",
5849 state
->node
->name
, NULL
, NULL
);
5856 * VC: Standalone Document Declaration
5857 * element types with element content, if white space
5858 * occurs directly within any instance of those types.
5870 * xmlValidatePopElement:
5871 * @ctxt: the validation context
5872 * @doc: a document instance
5873 * @elem: an element instance
5874 * @qname: the qualified name as appearing in the serialization
5876 * Pop the element end from the validation stack.
5878 * returns 1 if no validation problem was found or 0 otherwise
5881 xmlValidatePopElement(xmlValidCtxtPtr ctxt
, xmlDocPtr doc ATTRIBUTE_UNUSED
,
5882 xmlNodePtr elem ATTRIBUTE_UNUSED
,
5883 const xmlChar
*qname ATTRIBUTE_UNUSED
) {
5888 /* printf("PopElem %s\n", qname); */
5889 if ((ctxt
->vstateNr
> 0) && (ctxt
->vstate
!= NULL
)) {
5890 xmlValidStatePtr state
= ctxt
->vstate
;
5891 xmlElementPtr elemDecl
;
5894 * Check the new element agaisnt the content model of the new elem.
5896 if (state
->elemDecl
!= NULL
) {
5897 elemDecl
= state
->elemDecl
;
5899 if (elemDecl
->etype
== XML_ELEMENT_TYPE_ELEMENT
) {
5900 if (state
->exec
!= NULL
) {
5901 ret
= xmlRegExecPushString(state
->exec
, NULL
, NULL
);
5903 xmlErrValidNode(ctxt
, state
->node
,
5904 XML_DTD_CONTENT_MODEL
,
5905 "Element %s content does not follow the DTD, Expecting more child\n",
5906 state
->node
->name
, NULL
,NULL
);
5909 * previous validation errors should not generate
5921 #endif /* LIBXML_REGEXP_ENABLED */
5924 * xmlValidateOneElement:
5925 * @ctxt: the validation context
5926 * @doc: a document instance
5927 * @elem: an element instance
5929 * Try to validate a single element and it's attributes,
5930 * basically it does the following checks as described by the
5931 * XML-1.0 recommendation:
5932 * - [ VC: Element Valid ]
5933 * - [ VC: Required Attribute ]
5934 * Then call xmlValidateOneAttribute() for each attribute present.
5936 * The ID/IDREF checkings are done separately
5938 * returns 1 if valid or 0 otherwise
5942 xmlValidateOneElement(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
,
5944 xmlElementPtr elemDecl
= NULL
;
5945 xmlElementContentPtr cont
;
5946 xmlAttributePtr attr
;
5949 const xmlChar
*name
;
5954 if (elem
== NULL
) return(0);
5955 switch (elem
->type
) {
5956 case XML_ATTRIBUTE_NODE
:
5957 xmlErrValidNode(ctxt
, elem
, XML_ERR_INTERNAL_ERROR
,
5958 "Attribute element not expected\n", NULL
, NULL
,NULL
);
5961 if (elem
->children
!= NULL
) {
5962 xmlErrValidNode(ctxt
, elem
, XML_ERR_INTERNAL_ERROR
,
5963 "Text element has children !\n",
5967 if (elem
->ns
!= NULL
) {
5968 xmlErrValidNode(ctxt
, elem
, XML_ERR_INTERNAL_ERROR
,
5969 "Text element has namespace !\n",
5973 if (elem
->content
== NULL
) {
5974 xmlErrValidNode(ctxt
, elem
, XML_ERR_INTERNAL_ERROR
,
5975 "Text element has no content !\n",
5980 case XML_XINCLUDE_START
:
5981 case XML_XINCLUDE_END
:
5983 case XML_CDATA_SECTION_NODE
:
5984 case XML_ENTITY_REF_NODE
:
5986 case XML_COMMENT_NODE
:
5988 case XML_ENTITY_NODE
:
5989 xmlErrValidNode(ctxt
, elem
, XML_ERR_INTERNAL_ERROR
,
5990 "Entity element not expected\n", NULL
, NULL
,NULL
);
5992 case XML_NOTATION_NODE
:
5993 xmlErrValidNode(ctxt
, elem
, XML_ERR_INTERNAL_ERROR
,
5994 "Notation element not expected\n", NULL
, NULL
,NULL
);
5996 case XML_DOCUMENT_NODE
:
5997 case XML_DOCUMENT_TYPE_NODE
:
5998 case XML_DOCUMENT_FRAG_NODE
:
5999 xmlErrValidNode(ctxt
, elem
, XML_ERR_INTERNAL_ERROR
,
6000 "Document element not expected\n", NULL
, NULL
,NULL
);
6002 case XML_HTML_DOCUMENT_NODE
:
6003 xmlErrValidNode(ctxt
, elem
, XML_ERR_INTERNAL_ERROR
,
6004 "HTML Document not expected\n", NULL
, NULL
,NULL
);
6006 case XML_ELEMENT_NODE
:
6009 xmlErrValidNode(ctxt
, elem
, XML_ERR_INTERNAL_ERROR
,
6010 "unknown element type\n", NULL
, NULL
,NULL
);
6015 * Fetch the declaration
6017 elemDecl
= xmlValidGetElemDecl(ctxt
, doc
, elem
, &extsubset
);
6018 if (elemDecl
== NULL
)
6022 * If vstateNr is not zero that means continuous validation is
6023 * activated, do not try to check the content model at that level.
6025 if (ctxt
->vstateNr
== 0) {
6026 /* Check that the element content matches the definition */
6027 switch (elemDecl
->etype
) {
6028 case XML_ELEMENT_TYPE_UNDEFINED
:
6029 xmlErrValidNode(ctxt
, elem
, XML_DTD_UNKNOWN_ELEM
,
6030 "No declaration for element %s\n",
6031 elem
->name
, NULL
, NULL
);
6033 case XML_ELEMENT_TYPE_EMPTY
:
6034 if (elem
->children
!= NULL
) {
6035 xmlErrValidNode(ctxt
, elem
, XML_DTD_NOT_EMPTY
,
6036 "Element %s was declared EMPTY this one has content\n",
6037 elem
->name
, NULL
, NULL
);
6041 case XML_ELEMENT_TYPE_ANY
:
6042 /* I don't think anything is required then */
6044 case XML_ELEMENT_TYPE_MIXED
:
6046 /* simple case of declared as #PCDATA */
6047 if ((elemDecl
->content
!= NULL
) &&
6048 (elemDecl
->content
->type
== XML_ELEMENT_CONTENT_PCDATA
)) {
6049 ret
= xmlValidateOneCdataElement(ctxt
, doc
, elem
);
6051 xmlErrValidNode(ctxt
, elem
, XML_DTD_NOT_PCDATA
,
6052 "Element %s was declared #PCDATA but contains non text nodes\n",
6053 elem
->name
, NULL
, NULL
);
6057 child
= elem
->children
;
6058 /* Hum, this start to get messy */
6059 while (child
!= NULL
) {
6060 if (child
->type
== XML_ELEMENT_NODE
) {
6062 if ((child
->ns
!= NULL
) && (child
->ns
->prefix
!= NULL
)) {
6066 fullname
= xmlBuildQName(child
->name
, child
->ns
->prefix
,
6068 if (fullname
== NULL
)
6070 cont
= elemDecl
->content
;
6071 while (cont
!= NULL
) {
6072 if (cont
->type
== XML_ELEMENT_CONTENT_ELEMENT
) {
6073 if (xmlStrEqual(cont
->name
, fullname
))
6075 } else if ((cont
->type
== XML_ELEMENT_CONTENT_OR
) &&
6076 (cont
->c1
!= NULL
) &&
6077 (cont
->c1
->type
== XML_ELEMENT_CONTENT_ELEMENT
)){
6078 if (xmlStrEqual(cont
->c1
->name
, fullname
))
6080 } else if ((cont
->type
!= XML_ELEMENT_CONTENT_OR
) ||
6081 (cont
->c1
== NULL
) ||
6082 (cont
->c1
->type
!= XML_ELEMENT_CONTENT_PCDATA
)){
6083 xmlErrValid(NULL
, XML_DTD_MIXED_CORRUPT
,
6084 "Internal: MIXED struct corrupted\n",
6090 if ((fullname
!= fn
) && (fullname
!= child
->name
))
6095 cont
= elemDecl
->content
;
6096 while (cont
!= NULL
) {
6097 if (cont
->type
== XML_ELEMENT_CONTENT_ELEMENT
) {
6098 if (xmlStrEqual(cont
->name
, name
)) break;
6099 } else if ((cont
->type
== XML_ELEMENT_CONTENT_OR
) &&
6100 (cont
->c1
!= NULL
) &&
6101 (cont
->c1
->type
== XML_ELEMENT_CONTENT_ELEMENT
)) {
6102 if (xmlStrEqual(cont
->c1
->name
, name
)) break;
6103 } else if ((cont
->type
!= XML_ELEMENT_CONTENT_OR
) ||
6104 (cont
->c1
== NULL
) ||
6105 (cont
->c1
->type
!= XML_ELEMENT_CONTENT_PCDATA
)) {
6106 xmlErrValid(ctxt
, XML_DTD_MIXED_CORRUPT
,
6107 "Internal: MIXED struct corrupted\n",
6114 xmlErrValidNode(ctxt
, elem
, XML_DTD_INVALID_CHILD
,
6115 "Element %s is not declared in %s list of possible children\n",
6116 name
, elem
->name
, NULL
);
6121 child
= child
->next
;
6124 case XML_ELEMENT_TYPE_ELEMENT
:
6125 if ((doc
->standalone
== 1) && (extsubset
== 1)) {
6127 * VC: Standalone Document Declaration
6128 * - element types with element content, if white space
6129 * occurs directly within any instance of those types.
6131 child
= elem
->children
;
6132 while (child
!= NULL
) {
6133 if (child
->type
== XML_TEXT_NODE
) {
6134 const xmlChar
*content
= child
->content
;
6136 while (IS_BLANK_CH(*content
))
6138 if (*content
== 0) {
6139 xmlErrValidNode(ctxt
, elem
,
6140 XML_DTD_STANDALONE_WHITE_SPACE
,
6141 "standalone: %s declared in the external subset contains white spaces nodes\n",
6142 elem
->name
, NULL
, NULL
);
6150 child
= elem
->children
;
6151 cont
= elemDecl
->content
;
6152 tmp
= xmlValidateElementContent(ctxt
, child
, elemDecl
, 1, elem
);
6157 } /* not continuous */
6159 /* [ VC: Required Attribute ] */
6160 attr
= elemDecl
->attributes
;
6161 while (attr
!= NULL
) {
6162 if (attr
->def
== XML_ATTRIBUTE_REQUIRED
) {
6165 if ((attr
->prefix
== NULL
) &&
6166 (xmlStrEqual(attr
->name
, BAD_CAST
"xmlns"))) {
6170 while (ns
!= NULL
) {
6171 if (ns
->prefix
== NULL
)
6175 } else if (xmlStrEqual(attr
->prefix
, BAD_CAST
"xmlns")) {
6179 while (ns
!= NULL
) {
6180 if (xmlStrEqual(attr
->name
, ns
->prefix
))
6187 attrib
= elem
->properties
;
6188 while (attrib
!= NULL
) {
6189 if (xmlStrEqual(attrib
->name
, attr
->name
)) {
6190 if (attr
->prefix
!= NULL
) {
6191 xmlNsPtr nameSpace
= attrib
->ns
;
6193 if (nameSpace
== NULL
)
6194 nameSpace
= elem
->ns
;
6196 * qualified names handling is problematic, having a
6197 * different prefix should be possible but DTDs don't
6198 * allow to define the URI instead of the prefix :-(
6200 if (nameSpace
== NULL
) {
6203 } else if (!xmlStrEqual(nameSpace
->prefix
,
6211 * We should allow applications to define namespaces
6212 * for their application even if the DTD doesn't
6213 * carry one, otherwise, basically we would always
6219 attrib
= attrib
->next
;
6222 if (qualified
== -1) {
6223 if (attr
->prefix
== NULL
) {
6224 xmlErrValidNode(ctxt
, elem
, XML_DTD_MISSING_ATTRIBUTE
,
6225 "Element %s does not carry attribute %s\n",
6226 elem
->name
, attr
->name
, NULL
);
6229 xmlErrValidNode(ctxt
, elem
, XML_DTD_MISSING_ATTRIBUTE
,
6230 "Element %s does not carry attribute %s:%s\n",
6231 elem
->name
, attr
->prefix
,attr
->name
);
6234 } else if (qualified
== 0) {
6235 xmlErrValidWarning(ctxt
, elem
, XML_DTD_NO_PREFIX
,
6236 "Element %s required attribute %s:%s has no prefix\n",
6237 elem
->name
, attr
->prefix
, attr
->name
);
6238 } else if (qualified
== 1) {
6239 xmlErrValidWarning(ctxt
, elem
, XML_DTD_DIFFERENT_PREFIX
,
6240 "Element %s required attribute %s:%s has different prefix\n",
6241 elem
->name
, attr
->prefix
, attr
->name
);
6243 } else if (attr
->def
== XML_ATTRIBUTE_FIXED
) {
6245 * Special tests checking #FIXED namespace declarations
6246 * have the right value since this is not done as an
6247 * attribute checking
6249 if ((attr
->prefix
== NULL
) &&
6250 (xmlStrEqual(attr
->name
, BAD_CAST
"xmlns"))) {
6254 while (ns
!= NULL
) {
6255 if (ns
->prefix
== NULL
) {
6256 if (!xmlStrEqual(attr
->defaultValue
, ns
->href
)) {
6257 xmlErrValidNode(ctxt
, elem
,
6258 XML_DTD_ELEM_DEFAULT_NAMESPACE
,
6259 "Element %s namespace name for default namespace does not match the DTD\n",
6260 elem
->name
, NULL
, NULL
);
6267 } else if (xmlStrEqual(attr
->prefix
, BAD_CAST
"xmlns")) {
6271 while (ns
!= NULL
) {
6272 if (xmlStrEqual(attr
->name
, ns
->prefix
)) {
6273 if (!xmlStrEqual(attr
->defaultValue
, ns
->href
)) {
6274 xmlErrValidNode(ctxt
, elem
, XML_DTD_ELEM_NAMESPACE
,
6275 "Element %s namespace name for %s does not match the DTD\n",
6276 elem
->name
, ns
->prefix
, NULL
);
6293 * @ctxt: the validation context
6294 * @doc: a document instance
6296 * Try to validate a the root element
6297 * basically it does the following check as described by the
6298 * XML-1.0 recommendation:
6299 * - [ VC: Root Element Type ]
6300 * it doesn't try to recurse or apply other check to the element
6302 * returns 1 if valid or 0 otherwise
6306 xmlValidateRoot(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
) {
6310 if (doc
== NULL
) return(0);
6312 root
= xmlDocGetRootElement(doc
);
6313 if ((root
== NULL
) || (root
->name
== NULL
)) {
6314 xmlErrValid(ctxt
, XML_DTD_NO_ROOT
,
6315 "no root element\n", NULL
);
6320 * When doing post validation against a separate DTD, those may
6321 * no internal subset has been generated
6323 if ((doc
->intSubset
!= NULL
) &&
6324 (doc
->intSubset
->name
!= NULL
)) {
6326 * Check first the document root against the NQName
6328 if (!xmlStrEqual(doc
->intSubset
->name
, root
->name
)) {
6329 if ((root
->ns
!= NULL
) && (root
->ns
->prefix
!= NULL
)) {
6333 fullname
= xmlBuildQName(root
->name
, root
->ns
->prefix
, fn
, 50);
6334 if (fullname
== NULL
) {
6335 xmlVErrMemory(ctxt
, NULL
);
6338 ret
= xmlStrEqual(doc
->intSubset
->name
, fullname
);
6339 if ((fullname
!= fn
) && (fullname
!= root
->name
))
6344 if ((xmlStrEqual(doc
->intSubset
->name
, BAD_CAST
"HTML")) &&
6345 (xmlStrEqual(root
->name
, BAD_CAST
"html")))
6347 xmlErrValidNode(ctxt
, root
, XML_DTD_ROOT_NAME
,
6348 "root and DTD name do not match '%s' and '%s'\n",
6349 root
->name
, doc
->intSubset
->name
, NULL
);
6359 * xmlValidateElement:
6360 * @ctxt: the validation context
6361 * @doc: a document instance
6362 * @elem: an element instance
6364 * Try to validate the subtree under an element
6366 * returns 1 if valid or 0 otherwise
6370 xmlValidateElement(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
, xmlNodePtr elem
) {
6374 const xmlChar
*value
;
6377 if (elem
== NULL
) return(0);
6380 * XInclude elements were added after parsing in the infoset,
6381 * they don't really mean anything validation wise.
6383 if ((elem
->type
== XML_XINCLUDE_START
) ||
6384 (elem
->type
== XML_XINCLUDE_END
) ||
6385 (elem
->type
== XML_NAMESPACE_DECL
))
6391 * Entities references have to be handled separately
6393 if (elem
->type
== XML_ENTITY_REF_NODE
) {
6397 ret
&= xmlValidateOneElement(ctxt
, doc
, elem
);
6398 if (elem
->type
== XML_ELEMENT_NODE
) {
6399 attr
= elem
->properties
;
6400 while (attr
!= NULL
) {
6401 value
= xmlNodeListGetString(doc
, attr
->children
, 0);
6402 ret
&= xmlValidateOneAttribute(ctxt
, doc
, elem
, attr
, value
);
6404 xmlFree((char *)value
);
6408 while (ns
!= NULL
) {
6409 if (elem
->ns
== NULL
)
6410 ret
&= xmlValidateOneNamespace(ctxt
, doc
, elem
, NULL
,
6413 ret
&= xmlValidateOneNamespace(ctxt
, doc
, elem
,
6414 elem
->ns
->prefix
, ns
, ns
->href
);
6418 child
= elem
->children
;
6419 while (child
!= NULL
) {
6420 ret
&= xmlValidateElement(ctxt
, doc
, child
);
6421 child
= child
->next
;
6429 * @ref: A reference to be validated
6430 * @ctxt: Validation context
6431 * @name: Name of ID we are searching for
6435 xmlValidateRef(xmlRefPtr ref
, xmlValidCtxtPtr ctxt
,
6436 const xmlChar
*name
) {
6442 if ((ref
->attr
== NULL
) && (ref
->name
== NULL
))
6446 xmlChar
*dup
, *str
= NULL
, *cur
, save
;
6448 dup
= xmlStrdup(name
);
6456 while ((*cur
!= 0) && (!IS_BLANK_CH(*cur
))) cur
++;
6459 id
= xmlGetID(ctxt
->doc
, str
);
6461 xmlErrValidNodeNr(ctxt
, NULL
, XML_DTD_UNKNOWN_ID
,
6462 "attribute %s line %d references an unknown ID \"%s\"\n",
6463 ref
->name
, ref
->lineno
, str
);
6469 while (IS_BLANK_CH(*cur
)) cur
++;
6472 } else if (attr
->atype
== XML_ATTRIBUTE_IDREF
) {
6473 id
= xmlGetID(ctxt
->doc
, name
);
6475 xmlErrValidNode(ctxt
, attr
->parent
, XML_DTD_UNKNOWN_ID
,
6476 "IDREF attribute %s references an unknown ID \"%s\"\n",
6477 attr
->name
, name
, NULL
);
6480 } else if (attr
->atype
== XML_ATTRIBUTE_IDREFS
) {
6481 xmlChar
*dup
, *str
= NULL
, *cur
, save
;
6483 dup
= xmlStrdup(name
);
6485 xmlVErrMemory(ctxt
, "IDREFS split");
6492 while ((*cur
!= 0) && (!IS_BLANK_CH(*cur
))) cur
++;
6495 id
= xmlGetID(ctxt
->doc
, str
);
6497 xmlErrValidNode(ctxt
, attr
->parent
, XML_DTD_UNKNOWN_ID
,
6498 "IDREFS attribute %s references an unknown ID \"%s\"\n",
6499 attr
->name
, str
, NULL
);
6505 while (IS_BLANK_CH(*cur
)) cur
++;
6512 * xmlWalkValidateList:
6513 * @data: Contents of current link
6514 * @user: Value supplied by the user
6516 * Returns 0 to abort the walk or 1 to continue
6519 xmlWalkValidateList(const void *data
, const void *user
)
6521 xmlValidateMemoPtr memo
= (xmlValidateMemoPtr
)user
;
6522 xmlValidateRef((xmlRefPtr
)data
, memo
->ctxt
, memo
->name
);
6527 * xmlValidateCheckRefCallback:
6528 * @ref_list: List of references
6529 * @ctxt: Validation context
6530 * @name: Name of ID we are searching for
6534 xmlValidateCheckRefCallback(xmlListPtr ref_list
, xmlValidCtxtPtr ctxt
,
6535 const xmlChar
*name
) {
6536 xmlValidateMemo memo
;
6538 if (ref_list
== NULL
)
6543 xmlListWalk(ref_list
, xmlWalkValidateList
, &memo
);
6548 * xmlValidateDocumentFinal:
6549 * @ctxt: the validation context
6550 * @doc: a document instance
6552 * Does the final step for the document validation once all the
6553 * incremental validation steps have been completed
6555 * basically it does the following checks described by the XML Rec
6557 * Check all the IDREF/IDREFS attributes definition for validity
6559 * returns 1 if valid or 0 otherwise
6563 xmlValidateDocumentFinal(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
) {
6564 xmlRefTablePtr table
;
6570 xmlErrValid(ctxt
, XML_DTD_NO_DOC
,
6571 "xmlValidateDocumentFinal: doc == NULL\n", NULL
);
6575 /* trick to get correct line id report */
6576 save
= ctxt
->finishDtd
;
6577 ctxt
->finishDtd
= 0;
6580 * Check all the NOTATION/NOTATIONS attributes
6583 * Check all the ENTITY/ENTITIES attributes definition for validity
6586 * Check all the IDREF/IDREFS attributes definition for validity
6588 table
= (xmlRefTablePtr
) doc
->refs
;
6591 xmlHashScan(table
, (xmlHashScanner
) xmlValidateCheckRefCallback
, ctxt
);
6593 ctxt
->finishDtd
= save
;
6594 return(ctxt
->valid
);
6599 * @ctxt: the validation context
6600 * @doc: a document instance
6601 * @dtd: a dtd instance
6603 * Try to validate the document against the dtd instance
6605 * Basically it does check all the definitions in the DtD.
6606 * Note the the internal subset (if present) is de-coupled
6607 * (i.e. not used), which could give problems if ID or IDREF
6610 * returns 1 if valid or 0 otherwise
6614 xmlValidateDtd(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
, xmlDtdPtr dtd
) {
6616 xmlDtdPtr oldExt
, oldInt
;
6619 if (dtd
== NULL
) return(0);
6620 if (doc
== NULL
) return(0);
6621 oldExt
= doc
->extSubset
;
6622 oldInt
= doc
->intSubset
;
6623 doc
->extSubset
= dtd
;
6624 doc
->intSubset
= NULL
;
6625 ret
= xmlValidateRoot(ctxt
, doc
);
6627 doc
->extSubset
= oldExt
;
6628 doc
->intSubset
= oldInt
;
6631 if (doc
->ids
!= NULL
) {
6632 xmlFreeIDTable(doc
->ids
);
6635 if (doc
->refs
!= NULL
) {
6636 xmlFreeRefTable(doc
->refs
);
6639 root
= xmlDocGetRootElement(doc
);
6640 ret
= xmlValidateElement(ctxt
, doc
, root
);
6641 ret
&= xmlValidateDocumentFinal(ctxt
, doc
);
6642 doc
->extSubset
= oldExt
;
6643 doc
->intSubset
= oldInt
;
6648 xmlValidateNotationCallback(xmlEntityPtr cur
, xmlValidCtxtPtr ctxt
,
6649 const xmlChar
*name ATTRIBUTE_UNUSED
) {
6652 if (cur
->etype
== XML_EXTERNAL_GENERAL_UNPARSED_ENTITY
) {
6653 xmlChar
*notation
= cur
->content
;
6655 if (notation
!= NULL
) {
6658 ret
= xmlValidateNotationUse(ctxt
, cur
->doc
, notation
);
6667 xmlValidateAttributeCallback(xmlAttributePtr cur
, xmlValidCtxtPtr ctxt
,
6668 const xmlChar
*name ATTRIBUTE_UNUSED
) {
6671 xmlElementPtr elem
= NULL
;
6675 switch (cur
->atype
) {
6676 case XML_ATTRIBUTE_CDATA
:
6677 case XML_ATTRIBUTE_ID
:
6678 case XML_ATTRIBUTE_IDREF
:
6679 case XML_ATTRIBUTE_IDREFS
:
6680 case XML_ATTRIBUTE_NMTOKEN
:
6681 case XML_ATTRIBUTE_NMTOKENS
:
6682 case XML_ATTRIBUTE_ENUMERATION
:
6684 case XML_ATTRIBUTE_ENTITY
:
6685 case XML_ATTRIBUTE_ENTITIES
:
6686 case XML_ATTRIBUTE_NOTATION
:
6687 if (cur
->defaultValue
!= NULL
) {
6689 ret
= xmlValidateAttributeValue2(ctxt
, ctxt
->doc
, cur
->name
,
6690 cur
->atype
, cur
->defaultValue
);
6691 if ((ret
== 0) && (ctxt
->valid
== 1))
6694 if (cur
->tree
!= NULL
) {
6695 xmlEnumerationPtr tree
= cur
->tree
;
6696 while (tree
!= NULL
) {
6697 ret
= xmlValidateAttributeValue2(ctxt
, ctxt
->doc
,
6698 cur
->name
, cur
->atype
, tree
->name
);
6699 if ((ret
== 0) && (ctxt
->valid
== 1))
6705 if (cur
->atype
== XML_ATTRIBUTE_NOTATION
) {
6707 if (cur
->elem
== NULL
) {
6708 xmlErrValid(ctxt
, XML_ERR_INTERNAL_ERROR
,
6709 "xmlValidateAttributeCallback(%s): internal error\n",
6710 (const char *) cur
->name
);
6715 elem
= xmlGetDtdElementDesc(doc
->intSubset
, cur
->elem
);
6716 if ((elem
== NULL
) && (doc
!= NULL
))
6717 elem
= xmlGetDtdElementDesc(doc
->extSubset
, cur
->elem
);
6718 if ((elem
== NULL
) && (cur
->parent
!= NULL
) &&
6719 (cur
->parent
->type
== XML_DTD_NODE
))
6720 elem
= xmlGetDtdElementDesc((xmlDtdPtr
) cur
->parent
, cur
->elem
);
6722 xmlErrValidNode(ctxt
, NULL
, XML_DTD_UNKNOWN_ELEM
,
6723 "attribute %s: could not find decl for element %s\n",
6724 cur
->name
, cur
->elem
, NULL
);
6727 if (elem
->etype
== XML_ELEMENT_TYPE_EMPTY
) {
6728 xmlErrValidNode(ctxt
, NULL
, XML_DTD_EMPTY_NOTATION
,
6729 "NOTATION attribute %s declared for EMPTY element %s\n",
6730 cur
->name
, cur
->elem
, NULL
);
6737 * xmlValidateDtdFinal:
6738 * @ctxt: the validation context
6739 * @doc: a document instance
6741 * Does the final step for the dtds validation once all the
6742 * subsets have been parsed
6744 * basically it does the following checks described by the XML Rec
6745 * - check that ENTITY and ENTITIES type attributes default or
6746 * possible values matches one of the defined entities.
6747 * - check that NOTATION type attributes default or
6748 * possible values matches one of the defined notations.
6750 * returns 1 if valid or 0 if invalid and -1 if not well-formed
6754 xmlValidateDtdFinal(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
) {
6756 xmlAttributeTablePtr table
;
6757 xmlEntitiesTablePtr entities
;
6759 if ((doc
== NULL
) || (ctxt
== NULL
)) return(0);
6760 if ((doc
->intSubset
== NULL
) && (doc
->extSubset
== NULL
))
6764 dtd
= doc
->intSubset
;
6765 if ((dtd
!= NULL
) && (dtd
->attributes
!= NULL
)) {
6766 table
= (xmlAttributeTablePtr
) dtd
->attributes
;
6767 xmlHashScan(table
, (xmlHashScanner
) xmlValidateAttributeCallback
, ctxt
);
6769 if ((dtd
!= NULL
) && (dtd
->entities
!= NULL
)) {
6770 entities
= (xmlEntitiesTablePtr
) dtd
->entities
;
6771 xmlHashScan(entities
, (xmlHashScanner
) xmlValidateNotationCallback
,
6774 dtd
= doc
->extSubset
;
6775 if ((dtd
!= NULL
) && (dtd
->attributes
!= NULL
)) {
6776 table
= (xmlAttributeTablePtr
) dtd
->attributes
;
6777 xmlHashScan(table
, (xmlHashScanner
) xmlValidateAttributeCallback
, ctxt
);
6779 if ((dtd
!= NULL
) && (dtd
->entities
!= NULL
)) {
6780 entities
= (xmlEntitiesTablePtr
) dtd
->entities
;
6781 xmlHashScan(entities
, (xmlHashScanner
) xmlValidateNotationCallback
,
6784 return(ctxt
->valid
);
6788 * xmlValidateDocument:
6789 * @ctxt: the validation context
6790 * @doc: a document instance
6792 * Try to validate the document instance
6794 * basically it does the all the checks described by the XML Rec
6795 * i.e. validates the internal and external subset (if present)
6796 * and validate the document tree.
6798 * returns 1 if valid or 0 otherwise
6802 xmlValidateDocument(xmlValidCtxtPtr ctxt
, xmlDocPtr doc
) {
6808 if ((doc
->intSubset
== NULL
) && (doc
->extSubset
== NULL
)) {
6809 xmlErrValid(ctxt
, XML_DTD_NO_DTD
,
6810 "no DTD found!\n", NULL
);
6813 if ((doc
->intSubset
!= NULL
) && ((doc
->intSubset
->SystemID
!= NULL
) ||
6814 (doc
->intSubset
->ExternalID
!= NULL
)) && (doc
->extSubset
== NULL
)) {
6816 if (doc
->intSubset
->SystemID
!= NULL
) {
6817 sysID
= xmlBuildURI(doc
->intSubset
->SystemID
,
6819 if (sysID
== NULL
) {
6820 xmlErrValid(ctxt
, XML_DTD_LOAD_ERROR
,
6821 "Could not build URI for external subset \"%s\"\n",
6822 (const char *) doc
->intSubset
->SystemID
);
6827 doc
->extSubset
= xmlParseDTD(doc
->intSubset
->ExternalID
,
6828 (const xmlChar
*)sysID
);
6831 if (doc
->extSubset
== NULL
) {
6832 if (doc
->intSubset
->SystemID
!= NULL
) {
6833 xmlErrValid(ctxt
, XML_DTD_LOAD_ERROR
,
6834 "Could not load the external subset \"%s\"\n",
6835 (const char *) doc
->intSubset
->SystemID
);
6837 xmlErrValid(ctxt
, XML_DTD_LOAD_ERROR
,
6838 "Could not load the external subset \"%s\"\n",
6839 (const char *) doc
->intSubset
->ExternalID
);
6845 if (doc
->ids
!= NULL
) {
6846 xmlFreeIDTable(doc
->ids
);
6849 if (doc
->refs
!= NULL
) {
6850 xmlFreeRefTable(doc
->refs
);
6853 ret
= xmlValidateDtdFinal(ctxt
, doc
);
6854 if (!xmlValidateRoot(ctxt
, doc
)) return(0);
6856 root
= xmlDocGetRootElement(doc
);
6857 ret
&= xmlValidateElement(ctxt
, doc
, root
);
6858 ret
&= xmlValidateDocumentFinal(ctxt
, doc
);
6862 /************************************************************************
6864 * Routines for dynamic validation editing *
6866 ************************************************************************/
6869 * xmlValidGetPotentialChildren:
6870 * @ctree: an element content tree
6871 * @names: an array to store the list of child names
6872 * @len: a pointer to the number of element in the list
6873 * @max: the size of the array
6875 * Build/extend a list of potential children allowed by the content tree
6877 * returns the number of element in the list, or -1 in case of error.
6881 xmlValidGetPotentialChildren(xmlElementContent
*ctree
,
6882 const xmlChar
**names
,
6883 int *len
, int max
) {
6886 if ((ctree
== NULL
) || (names
== NULL
) || (len
== NULL
))
6888 if (*len
>= max
) return(*len
);
6890 switch (ctree
->type
) {
6891 case XML_ELEMENT_CONTENT_PCDATA
:
6892 for (i
= 0; i
< *len
;i
++)
6893 if (xmlStrEqual(BAD_CAST
"#PCDATA", names
[i
])) return(*len
);
6894 names
[(*len
)++] = BAD_CAST
"#PCDATA";
6896 case XML_ELEMENT_CONTENT_ELEMENT
:
6897 for (i
= 0; i
< *len
;i
++)
6898 if (xmlStrEqual(ctree
->name
, names
[i
])) return(*len
);
6899 names
[(*len
)++] = ctree
->name
;
6901 case XML_ELEMENT_CONTENT_SEQ
:
6902 xmlValidGetPotentialChildren(ctree
->c1
, names
, len
, max
);
6903 xmlValidGetPotentialChildren(ctree
->c2
, names
, len
, max
);
6905 case XML_ELEMENT_CONTENT_OR
:
6906 xmlValidGetPotentialChildren(ctree
->c1
, names
, len
, max
);
6907 xmlValidGetPotentialChildren(ctree
->c2
, names
, len
, max
);
6915 * Dummy function to suppress messages while we try out valid elements
6917 static void XMLCDECL
xmlNoValidityErr(void *ctx ATTRIBUTE_UNUSED
,
6918 const char *msg ATTRIBUTE_UNUSED
, ...) {
6923 * xmlValidGetValidElements:
6924 * @prev: an element to insert after
6925 * @next: an element to insert next
6926 * @names: an array to store the list of child names
6927 * @max: the size of the array
6929 * This function returns the list of authorized children to insert
6930 * within an existing tree while respecting the validity constraints
6931 * forced by the Dtd. The insertion point is defined using @prev and
6932 * @next in the following ways:
6933 * to insert before 'node': xmlValidGetValidElements(node->prev, node, ...
6934 * to insert next 'node': xmlValidGetValidElements(node, node->next, ...
6935 * to replace 'node': xmlValidGetValidElements(node->prev, node->next, ...
6936 * to prepend a child to 'node': xmlValidGetValidElements(NULL, node->childs,
6937 * to append a child to 'node': xmlValidGetValidElements(node->last, NULL, ...
6939 * pointers to the element names are inserted at the beginning of the array
6940 * and do not need to be freed.
6942 * returns the number of element in the list, or -1 in case of error. If
6943 * the function returns the value @max the caller is invited to grow the
6944 * receiving array and retry.
6948 xmlValidGetValidElements(xmlNode
*prev
, xmlNode
*next
, const xmlChar
**names
,
6951 int nb_valid_elements
= 0;
6952 const xmlChar
*elements
[256]={0};
6953 int nb_elements
= 0, i
;
6954 const xmlChar
*name
;
6962 xmlNode
*parent_childs
;
6963 xmlNode
*parent_last
;
6965 xmlElement
*element_desc
;
6967 if (prev
== NULL
&& next
== NULL
)
6970 if (names
== NULL
) return(-1);
6971 if (max
<= 0) return(-1);
6973 memset(&vctxt
, 0, sizeof (xmlValidCtxt
));
6974 vctxt
.error
= xmlNoValidityErr
; /* this suppresses err/warn output */
6976 nb_valid_elements
= 0;
6977 ref_node
= prev
? prev
: next
;
6978 parent
= ref_node
->parent
;
6981 * Retrieves the parent element declaration
6983 element_desc
= xmlGetDtdElementDesc(parent
->doc
->intSubset
,
6985 if ((element_desc
== NULL
) && (parent
->doc
->extSubset
!= NULL
))
6986 element_desc
= xmlGetDtdElementDesc(parent
->doc
->extSubset
,
6988 if (element_desc
== NULL
) return(-1);
6991 * Do a backup of the current tree structure
6993 prev_next
= prev
? prev
->next
: NULL
;
6994 next_prev
= next
? next
->prev
: NULL
;
6995 parent_childs
= parent
->children
;
6996 parent_last
= parent
->last
;
6999 * Creates a dummy node and insert it into the tree
7001 test_node
= xmlNewDocNode (ref_node
->doc
, NULL
, BAD_CAST
"<!dummy?>", NULL
);
7002 if (test_node
== NULL
)
7005 test_node
->parent
= parent
;
7006 test_node
->prev
= prev
;
7007 test_node
->next
= next
;
7008 name
= test_node
->name
;
7010 if (prev
) prev
->next
= test_node
;
7011 else parent
->children
= test_node
;
7013 if (next
) next
->prev
= test_node
;
7014 else parent
->last
= test_node
;
7017 * Insert each potential child node and check if the parent is
7020 nb_elements
= xmlValidGetPotentialChildren(element_desc
->content
,
7021 elements
, &nb_elements
, 256);
7023 for (i
= 0;i
< nb_elements
;i
++) {
7024 test_node
->name
= elements
[i
];
7025 if (xmlValidateOneElement(&vctxt
, parent
->doc
, parent
)) {
7028 for (j
= 0; j
< nb_valid_elements
;j
++)
7029 if (xmlStrEqual(elements
[i
], names
[j
])) break;
7030 names
[nb_valid_elements
++] = elements
[i
];
7031 if (nb_valid_elements
>= max
) break;
7036 * Restore the tree structure
7038 if (prev
) prev
->next
= prev_next
;
7039 if (next
) next
->prev
= next_prev
;
7040 parent
->children
= parent_childs
;
7041 parent
->last
= parent_last
;
7044 * Free up the dummy node
7046 test_node
->name
= name
;
7047 xmlFreeNode(test_node
);
7049 return(nb_valid_elements
);
7051 #endif /* LIBXML_VALID_ENABLED */
7053 #define bottom_valid
7054 #include "elfgcchack.h"