|
1 /* |
|
2 * libxml2_xinclude.c : Code to implement XInclude processing |
|
3 * |
|
4 * World Wide Web Consortium W3C Last Call WorkingDraft 10 November 2003 |
|
5 * http://www.w3.org/TR/2003/WD-xinclude-20031110 |
|
6 * |
|
7 * See Copyright for the status of this software. |
|
8 * |
|
9 * daniel@veillard.com |
|
10 * Portion Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
|
11 */ |
|
12 |
|
13 #define IN_LIBXML |
|
14 #include "xmlenglibxml.h" |
|
15 |
|
16 #ifdef LIBXML_XINCLUDE_ENABLED |
|
17 |
|
18 #include <stdapis/libxml2/libxml2_globals.h> |
|
19 #include <stdapis/libxml2/libxml2_tree.h> |
|
20 #include <stdapis/libxml2/libxml2_parser.h> |
|
21 #include <stdapis/libxml2/libxml2_uri.h> |
|
22 #include <stdapis/libxml2/libxml2_xpointer.h> |
|
23 #include <stdapis/libxml2/libxml2_parserinternals.h> |
|
24 #include <stdapis/libxml2/libxml2_xmlerror.h> |
|
25 #include "libxml2_xmlerror2.h" |
|
26 #include <stdapis/libxml2/libxml2_encoding.h> |
|
27 #include "libxml2_xinclude.h" |
|
28 #include <string.h> |
|
29 |
|
30 #define XINCLUDE_MAX_DEPTH 40 |
|
31 // #define DEBUG_XINCLUDE |
|
32 #ifdef DEBUG_XINCLUDE |
|
33 # ifdef LIBXML_DEBUG_ENABLED |
|
34 # include "Libxml2_debugXML.h" |
|
35 # endif |
|
36 #endif |
|
37 |
|
38 /************************************************************************ |
|
39 * * |
|
40 * XInclude context handling * |
|
41 * * |
|
42 ************************************************************************/ |
|
43 |
|
44 /* |
|
45 * An XInclude context |
|
46 */ |
|
47 typedef xmlChar *xmlURL; |
|
48 |
|
49 typedef struct _xmlXIncludeRef xmlXIncludeRef; |
|
50 typedef xmlXIncludeRef *xmlXIncludeRefPtr; |
|
51 struct _xmlXIncludeRef { |
|
52 xmlChar *URI; /* the fully resolved resource URL */ |
|
53 xmlChar *fragment; /* the fragment in the URI */ |
|
54 xmlDocPtr doc; /* the parsed document */ |
|
55 xmlNodePtr ref; /* the node making the reference in the source */ |
|
56 xmlNodePtr inc; /* the included copy */ |
|
57 int xml; /* xml or txt */ |
|
58 int count; /* how many refs use that specific doc */ |
|
59 xmlXPathObjectPtr xptr; /* the xpointer if needed */ |
|
60 int emptyFb; /* flag to show fallback empty */ |
|
61 }; |
|
62 |
|
63 struct _xmlXIncludeCtxt { |
|
64 xmlDocPtr doc; /* the source document */ |
|
65 int incBase; /* the first include for this document */ |
|
66 int incNr; /* number of includes */ |
|
67 int incMax; /* size of includes tab */ |
|
68 xmlXIncludeRefPtr *incTab; /* array of included references */ |
|
69 |
|
70 int txtNr; /* number of unparsed documents */ |
|
71 int txtMax; /* size of unparsed documents tab */ |
|
72 xmlNodePtr *txtTab; /* array of unparsed text nodes */ |
|
73 xmlURL *txturlTab; /* array of unparsed text URLs */ |
|
74 |
|
75 xmlChar * url; /* the current URL processed */ |
|
76 int urlNr; /* number of URLs stacked */ |
|
77 int urlMax; /* size of URL stack */ |
|
78 xmlChar * *urlTab; /* URL stack */ |
|
79 |
|
80 int nbErrors; /* the number of errors detected */ |
|
81 int legacy; /* using XINCLUDE_OLD_NS */ |
|
82 int parseFlags; /* the flags used for parsing XML documents */ |
|
83 }; |
|
84 |
|
85 static int |
|
86 xmlXIncludeDoProcess(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc, xmlNodePtr tree); |
|
87 |
|
88 |
|
89 /************************************************************************ |
|
90 * * |
|
91 * XInclude error handler * |
|
92 * * |
|
93 ************************************************************************/ |
|
94 |
|
95 /** |
|
96 * xmlXIncludeErrMemory: |
|
97 * @param extra extra information |
|
98 * |
|
99 * Handle an out of memory condition |
|
100 */ |
|
101 static void |
|
102 xmlXIncludeErrMemory(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, |
|
103 const char *extra) |
|
104 { |
|
105 if (ctxt != NULL) |
|
106 ctxt->nbErrors++; |
|
107 __xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE, |
|
108 XML_ERR_NO_MEMORY, XML_ERR_ERROR, NULL, 0, |
|
109 extra, NULL, NULL, 0, 0, |
|
110 "Memory allocation failed : %s\n", extra); |
|
111 } |
|
112 |
|
113 /** |
|
114 * xmlXIncludeErr: |
|
115 * @param ctxt the XInclude context |
|
116 * @param node the context node |
|
117 * @param msg the error message |
|
118 * @param extra extra information |
|
119 * |
|
120 * Handle an XInclude error |
|
121 */ |
|
122 static void |
|
123 xmlXIncludeErr(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, int error, |
|
124 const char *msg, const xmlChar *extra) |
|
125 { |
|
126 if (ctxt != NULL) |
|
127 ctxt->nbErrors++; |
|
128 __xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE, |
|
129 error, XML_ERR_ERROR, NULL, 0, |
|
130 (const char *) extra, NULL, NULL, 0, 0, |
|
131 msg, (const char *) extra); |
|
132 } |
|
133 |
|
134 #if 0 |
|
135 /** |
|
136 * xmlXIncludeWarn: |
|
137 * @param ctxt the XInclude context |
|
138 * @param node the context node |
|
139 * @param msg the error message |
|
140 * @param extra extra information |
|
141 * |
|
142 * Emit an XInclude warning. |
|
143 */ |
|
144 static void |
|
145 xmlXIncludeWarn(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, int error, |
|
146 const char *msg, const xmlChar *extra) |
|
147 { |
|
148 __xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE, |
|
149 error, XML_ERR_WARNING, NULL, 0, |
|
150 (const char *) extra, NULL, NULL, 0, 0, |
|
151 msg, (const char *) extra); |
|
152 } |
|
153 #endif |
|
154 |
|
155 /** |
|
156 * xmlXIncludeGetProp: |
|
157 * @param ctxt the XInclude context |
|
158 * @param cur the node |
|
159 * @param name the attribute name |
|
160 * |
|
161 * Get an XInclude attribute |
|
162 * |
|
163 * Returns the value (to be freed) or NULL if not found |
|
164 */ |
|
165 static xmlChar * |
|
166 xmlXIncludeGetProp(xmlXIncludeCtxtPtr ctxt, xmlNodePtr cur, |
|
167 const xmlChar *name) { |
|
168 xmlChar *ret; |
|
169 |
|
170 ret = xmlGetNsProp(cur, XINCLUDE_NS, name); |
|
171 if (ret != NULL) |
|
172 return(ret); |
|
173 if (ctxt->legacy != 0) { |
|
174 ret = xmlGetNsProp(cur, XINCLUDE_OLD_NS, name); |
|
175 if (ret != NULL) |
|
176 return(ret); |
|
177 } |
|
178 ret = xmlGetProp(cur, name); |
|
179 return(ret); |
|
180 } |
|
181 /** |
|
182 * xmlXIncludeFreeRef: |
|
183 * @param ref the XInclude reference |
|
184 * |
|
185 * Free an XInclude reference |
|
186 */ |
|
187 static void |
|
188 xmlXIncludeFreeRef(xmlXIncludeRefPtr ref) { |
|
189 if (ref == NULL) |
|
190 return; |
|
191 #ifdef DEBUG_XINCLUDE |
|
192 xmlGenericError(xmlGenericErrorContext, "Freeing ref\n"); |
|
193 #endif |
|
194 if (ref->doc != NULL) { |
|
195 #ifdef DEBUG_XINCLUDE |
|
196 xmlGenericError(xmlGenericErrorContext, "Freeing doc %s\n", ref->URI); |
|
197 #endif |
|
198 xmlFreeDoc(ref->doc); |
|
199 } |
|
200 if (ref->URI != NULL) |
|
201 xmlFree(ref->URI); |
|
202 if (ref->fragment != NULL) |
|
203 xmlFree(ref->fragment); |
|
204 if (ref->xptr != NULL) |
|
205 xmlXPathFreeObject(ref->xptr); |
|
206 xmlFree(ref); |
|
207 } |
|
208 |
|
209 /** |
|
210 * xmlXIncludeNewRef: |
|
211 * @param ctxt the XInclude context |
|
212 * @param URI the resource URI |
|
213 * |
|
214 * Creates a new reference within an XInclude context |
|
215 * |
|
216 * Returns the new set |
|
217 */ |
|
218 static xmlXIncludeRefPtr |
|
219 xmlXIncludeNewRef(xmlXIncludeCtxtPtr ctxt, const xmlChar* URI, xmlNodePtr ref) |
|
220 { |
|
221 xmlXIncludeRefPtr ret; |
|
222 |
|
223 #ifdef DEBUG_XINCLUDE |
|
224 xmlGenericError(xmlGenericErrorContext, "New ref %s\n", URI); |
|
225 #endif |
|
226 ret = (xmlXIncludeRefPtr) xmlMalloc(sizeof(xmlXIncludeRef)); |
|
227 if (!ret) |
|
228 goto OOM_exit; |
|
229 |
|
230 memset(ret, 0, sizeof(xmlXIncludeRef)); |
|
231 |
|
232 ret->URI = URI ? xmlStrdup(URI) : (xmlChar*) /* NULL */ URI; |
|
233 // DONE: remove unnecessary initialization to NULL |
|
234 //ret->fragment = NULL; |
|
235 ret->ref = ref; |
|
236 //ret->doc = 0; |
|
237 //ret->count = 0; |
|
238 //ret->xml = 0; |
|
239 //ret->inc = NULL; |
|
240 if (ctxt->incMax == 0) { |
|
241 xmlXIncludeRefPtr* tmp; |
|
242 |
|
243 tmp = (xmlXIncludeRefPtr*) xmlMalloc(4 * sizeof(ctxt->incTab[0])); |
|
244 if (!tmp) |
|
245 goto OOM; |
|
246 ctxt->incTab = tmp; |
|
247 ctxt->incMax = 4; |
|
248 } |
|
249 if (ctxt->incNr >= ctxt->incMax) { |
|
250 xmlXIncludeRefPtr* tmp; |
|
251 ctxt->incMax *= 2; |
|
252 tmp = (xmlXIncludeRefPtr*) xmlRealloc(ctxt->incTab, // DONE: Fix xmlRealloc |
|
253 ctxt->incMax * sizeof(ctxt->incTab[0])); |
|
254 if (!tmp) { |
|
255 ctxt->incMax /= 2; |
|
256 OOM: |
|
257 xmlXIncludeFreeRef(ret); |
|
258 OOM_exit: |
|
259 xmlXIncludeErrMemory(ctxt, ref, "growing XInclude context"); |
|
260 return(NULL); |
|
261 } |
|
262 ctxt->incTab = tmp; |
|
263 } |
|
264 ctxt->incTab[ctxt->incNr++] = ret; |
|
265 return(ret); |
|
266 } |
|
267 |
|
268 /** |
|
269 * xmlXIncludeNewContext: |
|
270 * @param doc an XML Document |
|
271 * |
|
272 * Creates a new XInclude context |
|
273 * |
|
274 * Returns the new set |
|
275 */ |
|
276 XMLPUBFUNEXPORT xmlXIncludeCtxtPtr |
|
277 xmlXIncludeNewContext(xmlDocPtr doc) { |
|
278 xmlXIncludeCtxtPtr ret; |
|
279 |
|
280 #ifdef DEBUG_XINCLUDE |
|
281 xmlGenericError(xmlGenericErrorContext, "New context\n"); |
|
282 #endif |
|
283 if (doc == NULL) |
|
284 return(NULL); |
|
285 ret = (xmlXIncludeCtxtPtr) xmlMalloc(sizeof(xmlXIncludeCtxt)); |
|
286 if (ret == NULL) { |
|
287 xmlXIncludeErrMemory(NULL, (xmlNodePtr) doc, |
|
288 "creating XInclude context"); |
|
289 return(NULL); |
|
290 } |
|
291 memset(ret, 0, sizeof(xmlXIncludeCtxt)); |
|
292 ret->doc = doc; |
|
293 ret->incNr = 0; |
|
294 ret->incBase = 0; |
|
295 ret->incMax = 0; |
|
296 ret->incTab = NULL; |
|
297 ret->nbErrors = 0; |
|
298 return(ret); |
|
299 } |
|
300 |
|
301 /** |
|
302 * xmlXIncludeURLPush: |
|
303 * @param ctxt the parser context |
|
304 * @param value the url |
|
305 * |
|
306 * Pushes a new url on top of the url stack |
|
307 * |
|
308 * Returns -1 in case of error, the index in the stack otherwise |
|
309 */ |
|
310 static int |
|
311 xmlXIncludeURLPush(xmlXIncludeCtxtPtr ctxt, const xmlChar* value) |
|
312 { |
|
313 xmlChar* vcopy; |
|
314 if (ctxt->urlNr > XINCLUDE_MAX_DEPTH) { |
|
315 xmlXIncludeErr(ctxt, NULL, XML_XINCLUDE_RECURSION, |
|
316 "detected a recursion in %s\n", value); |
|
317 return(-1); |
|
318 } |
|
319 if (ctxt->urlTab == NULL) { |
|
320 ctxt->urlMax = 0; |
|
321 ctxt->urlNr = 0; |
|
322 |
|
323 ctxt->urlTab = (xmlChar**) xmlMalloc(4 * sizeof(ctxt->urlTab[0])); |
|
324 if (!ctxt->urlTab) |
|
325 goto OOM_exit; |
|
326 ctxt->urlMax = 4; |
|
327 } |
|
328 if (ctxt->urlNr >= ctxt->urlMax) { |
|
329 xmlChar** tmp; |
|
330 ctxt->urlMax *= 2; |
|
331 tmp = (xmlChar**) xmlRealloc(ctxt->urlTab, // DONE: Fix xmlRealloc |
|
332 ctxt->urlMax * |
|
333 sizeof(ctxt->urlTab[0])); |
|
334 if (!tmp) { |
|
335 ctxt->urlMax /= 2; |
|
336 OOM_exit: |
|
337 xmlXIncludeErrMemory(ctxt, NULL, "adding URL"); |
|
338 return (-1); |
|
339 } |
|
340 ctxt->urlTab = tmp; |
|
341 } |
|
342 vcopy = value ? xmlStrdup(value) : (xmlChar*) value /* NULL */; |
|
343 if(vcopy || !value) |
|
344 { |
|
345 ctxt->url = ctxt->urlTab[ctxt->urlNr] = vcopy; |
|
346 return (ctxt->urlNr++); |
|
347 } |
|
348 else // OOM! |
|
349 goto OOM_exit; |
|
350 } |
|
351 |
|
352 /** |
|
353 * xmlXIncludeURLPop: |
|
354 * @param ctxt the parser context |
|
355 * |
|
356 * Pops the top URL from the URL stack |
|
357 */ |
|
358 static void |
|
359 xmlXIncludeURLPop(xmlXIncludeCtxtPtr ctxt) |
|
360 { |
|
361 xmlChar * ret; |
|
362 |
|
363 if (ctxt->urlNr <= 0) |
|
364 return; |
|
365 ctxt->urlNr--; |
|
366 if (ctxt->urlNr > 0) |
|
367 ctxt->url = ctxt->urlTab[ctxt->urlNr - 1]; |
|
368 else |
|
369 ctxt->url = NULL; |
|
370 ret = ctxt->urlTab[ctxt->urlNr]; |
|
371 ctxt->urlTab[ctxt->urlNr] = 0; |
|
372 if (ret != NULL) |
|
373 xmlFree(ret); |
|
374 } |
|
375 |
|
376 /** |
|
377 * xmlXIncludeFreeContext: |
|
378 * @param ctxt the XInclude context |
|
379 * |
|
380 * Free an XInclude context |
|
381 */ |
|
382 XMLPUBFUNEXPORT void |
|
383 xmlXIncludeFreeContext(xmlXIncludeCtxtPtr ctxt) { |
|
384 int i; |
|
385 |
|
386 #ifdef DEBUG_XINCLUDE |
|
387 xmlGenericError(xmlGenericErrorContext, "Freeing context\n"); |
|
388 #endif |
|
389 if (ctxt == NULL) |
|
390 return; |
|
391 while (ctxt->urlNr > 0) |
|
392 xmlXIncludeURLPop(ctxt); |
|
393 if (ctxt->urlTab != NULL) |
|
394 xmlFree(ctxt->urlTab); |
|
395 for (i = 0;i < ctxt->incNr;i++) { |
|
396 if (ctxt->incTab[i] != NULL) |
|
397 xmlXIncludeFreeRef(ctxt->incTab[i]); |
|
398 } |
|
399 for (i = 0;i < ctxt->txtNr;i++) { |
|
400 if (ctxt->txturlTab[i] != NULL) |
|
401 xmlFree(ctxt->txturlTab[i]); |
|
402 } |
|
403 if (ctxt->incTab != NULL) |
|
404 xmlFree(ctxt->incTab); |
|
405 if (ctxt->txtTab != NULL) |
|
406 xmlFree(ctxt->txtTab); |
|
407 if (ctxt->txturlTab != NULL) |
|
408 xmlFree(ctxt->txturlTab); |
|
409 xmlFree(ctxt); |
|
410 } |
|
411 |
|
412 /** |
|
413 * xmlXIncludeParseFile: |
|
414 * @param ctxt the XInclude context |
|
415 * @param URL the URL or file path |
|
416 * |
|
417 * parse a document for XInclude |
|
418 */ |
|
419 static xmlDocPtr |
|
420 xmlXIncludeParseFile(xmlXIncludeCtxtPtr ctxt, const char *URL) { |
|
421 xmlDocPtr ret; |
|
422 xmlParserCtxtPtr pctxt; |
|
423 // 'directory' was removed during optimization |
|
424 xmlParserInputPtr inputStream; |
|
425 |
|
426 xmlInitParser(); |
|
427 |
|
428 pctxt = xmlNewParserCtxt(); |
|
429 if (!pctxt) { |
|
430 xmlXIncludeErrMemory(ctxt, NULL, "cannot allocate parser context"); |
|
431 return(NULL); |
|
432 } |
|
433 /* |
|
434 * try to ensure that new documents included are actually |
|
435 * built with the same dictionary as the including document. |
|
436 */ |
|
437 if (ctxt->doc && |
|
438 ctxt->doc->dict && |
|
439 pctxt->dict) |
|
440 { |
|
441 xmlDictFree(pctxt->dict); |
|
442 pctxt->dict = ctxt->doc->dict; |
|
443 xmlDictReference(pctxt->dict); |
|
444 } |
|
445 |
|
446 xmlCtxtUseOptions(pctxt, ctxt->parseFlags | XML_PARSE_DTDLOAD); |
|
447 |
|
448 inputStream = xmlLoadExternalEntity(URL, NULL, pctxt); |
|
449 if (!inputStream) { |
|
450 xmlFreeParserCtxt(pctxt); |
|
451 return(NULL); |
|
452 } |
|
453 |
|
454 inputPush(pctxt, inputStream); |
|
455 |
|
456 if (!pctxt->directory) |
|
457 pctxt->directory = xmlParserGetDirectory(URL); |
|
458 |
|
459 pctxt->loadsubset = XML_DETECT_IDS; |
|
460 |
|
461 xmlParseDocument(pctxt); |
|
462 |
|
463 if (pctxt->wellFormed) { |
|
464 ret = pctxt->myDoc; |
|
465 } else { |
|
466 ret = NULL; |
|
467 if (pctxt->myDoc){ |
|
468 xmlFreeDoc(pctxt->myDoc); |
|
469 pctxt->myDoc = NULL; |
|
470 } |
|
471 } |
|
472 xmlFreeParserCtxt(pctxt); |
|
473 |
|
474 return(ret); |
|
475 } |
|
476 |
|
477 /** |
|
478 * xmlXIncludeAddNode: |
|
479 * @param ctxt the XInclude context |
|
480 * @param cur the new node |
|
481 * |
|
482 * Add a new node to process to an XInclude context |
|
483 */ |
|
484 static int |
|
485 xmlXIncludeAddNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr cur) { |
|
486 xmlXIncludeRefPtr ref; |
|
487 xmlURIPtr uri; |
|
488 xmlChar *URL; |
|
489 xmlChar *fragment = NULL; |
|
490 xmlChar *href; |
|
491 xmlChar *parse; |
|
492 xmlChar *base; |
|
493 xmlChar *URI; |
|
494 int xml = 1, i; /* default Issue 64 */ |
|
495 int local = 0; |
|
496 |
|
497 |
|
498 if (ctxt == NULL) |
|
499 return(-1); |
|
500 if (cur == NULL) |
|
501 return(-1); |
|
502 |
|
503 #ifdef DEBUG_XINCLUDE |
|
504 xmlGenericError(xmlGenericErrorContext, "Add node\n"); |
|
505 #endif |
|
506 /* |
|
507 * read the attributes |
|
508 */ |
|
509 href = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_HREF); |
|
510 if (href == NULL) { |
|
511 href = xmlStrdup(BAD_CAST ""); /* @@@@ href is now optional */ |
|
512 if (href == NULL) |
|
513 return(-1); |
|
514 local = 1; |
|
515 } |
|
516 if (href[0] == '#') |
|
517 local = 1; |
|
518 parse = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_PARSE); |
|
519 if (parse != NULL) { |
|
520 if (xmlStrEqual(parse, XINCLUDE_PARSE_XML)) |
|
521 xml = 1; |
|
522 else if (xmlStrEqual(parse, XINCLUDE_PARSE_TEXT)) |
|
523 xml = 0; |
|
524 else { |
|
525 xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_PARSE_VALUE, |
|
526 "invalid value %s for 'parse'\n", parse); |
|
527 if (href != NULL) |
|
528 xmlFree(href); |
|
529 if (parse != NULL) |
|
530 xmlFree(parse); |
|
531 return(-1); |
|
532 } |
|
533 } |
|
534 |
|
535 /* |
|
536 * compute the URI |
|
537 */ |
|
538 base = xmlNodeGetBase(ctxt->doc, cur); |
|
539 if (base == NULL) { |
|
540 URI = xmlBuildURI(href, ctxt->doc->URL); |
|
541 } else { |
|
542 URI = xmlBuildURI(href, base); |
|
543 } |
|
544 if (URI == NULL) { |
|
545 xmlChar *escbase; |
|
546 xmlChar *eschref; |
|
547 /* |
|
548 * Some escaping may be needed |
|
549 */ |
|
550 escbase = xmlURIEscape(base); |
|
551 eschref = xmlURIEscape(href); |
|
552 URI = xmlBuildURI(eschref, escbase); |
|
553 if (escbase != NULL) |
|
554 xmlFree(escbase); |
|
555 if (eschref != NULL) |
|
556 xmlFree(eschref); |
|
557 } |
|
558 if (parse != NULL) |
|
559 xmlFree(parse); |
|
560 if (href != NULL) |
|
561 xmlFree(href); |
|
562 if (base != NULL) |
|
563 xmlFree(base); |
|
564 if (URI == NULL) { |
|
565 xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI, |
|
566 "failed build URL\n", NULL); |
|
567 return(-1); |
|
568 } |
|
569 fragment = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_PARSE_XPOINTER); |
|
570 |
|
571 /* |
|
572 * Check the URL and remove any fragment identifier |
|
573 */ |
|
574 uri = xmlParseURI((const char *)URI); |
|
575 if (uri == NULL) { |
|
576 xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI, |
|
577 "invalid value URI %s\n", URI); |
|
578 if (fragment != NULL) |
|
579 xmlFree(fragment); |
|
580 xmlFree(URI); |
|
581 return(-1); |
|
582 } |
|
583 |
|
584 if (uri->fragment != NULL) { |
|
585 if (ctxt->legacy != 0) { |
|
586 if (fragment == NULL) { |
|
587 fragment = (xmlChar *) uri->fragment; |
|
588 } else { |
|
589 xmlFree(uri->fragment); |
|
590 } |
|
591 } else { |
|
592 xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_FRAGMENT_ID, |
|
593 "Invalid fragment identifier in URI %s use the xpointer attribute\n", |
|
594 URI); |
|
595 if (fragment != NULL) |
|
596 xmlFree(fragment); |
|
597 xmlFreeURI(uri); |
|
598 xmlFree(URI); |
|
599 return(-1); |
|
600 } |
|
601 uri->fragment = NULL; |
|
602 } |
|
603 URL = xmlSaveUri(uri); |
|
604 xmlFreeURI(uri); |
|
605 xmlFree(URI); |
|
606 if (URL == NULL) { |
|
607 xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI, |
|
608 "invalid value URI %s\n", URI); |
|
609 if (fragment != NULL) |
|
610 xmlFree(fragment); |
|
611 return(-1); |
|
612 } |
|
613 |
|
614 /* |
|
615 * Check the URL against the stack for recursions |
|
616 */ |
|
617 if (!local) { |
|
618 for (i = 0;i < ctxt->urlNr;i++) { |
|
619 if (xmlStrEqual(URL, ctxt->urlTab[i])) { |
|
620 xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_RECURSION, |
|
621 "detected a recursion in %s\n", URL); |
|
622 return(-1); |
|
623 } |
|
624 } |
|
625 } |
|
626 |
|
627 ref = xmlXIncludeNewRef(ctxt, URL, cur); |
|
628 if (ref == NULL) { |
|
629 return(-1); |
|
630 } |
|
631 ref->fragment = fragment; |
|
632 ref->doc = NULL; |
|
633 ref->xml = xml; |
|
634 ref->count = 1; |
|
635 xmlFree(URL); |
|
636 return(0); |
|
637 } |
|
638 |
|
639 /** |
|
640 * xmlXIncludeRecurseDoc: |
|
641 * @param ctxt the XInclude context |
|
642 * @param doc the new document |
|
643 * @param url the associated URL |
|
644 * |
|
645 * The XInclude recursive nature is handled at this point. |
|
646 */ |
|
647 static void |
|
648 xmlXIncludeRecurseDoc(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc, |
|
649 const xmlURL url ATTRIBUTE_UNUSED) { |
|
650 xmlXIncludeCtxtPtr newctxt; |
|
651 int i; |
|
652 |
|
653 /* |
|
654 * Avoid recursion in already substitued resources |
|
655 for (i = 0;i < ctxt->urlNr;i++) { |
|
656 if (xmlStrEqual(doc->URL, ctxt->urlTab[i])) |
|
657 return; |
|
658 } |
|
659 */ |
|
660 |
|
661 #ifdef DEBUG_XINCLUDE |
|
662 xmlGenericError(xmlGenericErrorContext, "Recursing in doc %s\n", doc->URL); |
|
663 #endif |
|
664 /* |
|
665 * Handle recursion here. |
|
666 */ |
|
667 |
|
668 newctxt = xmlXIncludeNewContext(doc); |
|
669 if (newctxt != NULL) { |
|
670 /* |
|
671 * Copy the existing document set |
|
672 */ |
|
673 newctxt->incMax = ctxt->incMax; |
|
674 newctxt->incNr = ctxt->incNr; |
|
675 newctxt->incTab = (xmlXIncludeRefPtr *) xmlMalloc(newctxt->incMax * |
|
676 sizeof(newctxt->incTab[0])); |
|
677 if (newctxt->incTab == NULL) { |
|
678 xmlXIncludeErrMemory(ctxt, (xmlNodePtr) doc, "processing doc"); |
|
679 xmlFree(newctxt); |
|
680 return; |
|
681 } |
|
682 /* |
|
683 * copy the urlTab |
|
684 */ |
|
685 newctxt->urlMax = ctxt->urlMax; |
|
686 newctxt->urlNr = ctxt->urlNr; |
|
687 newctxt->urlTab = ctxt->urlTab; |
|
688 |
|
689 /* |
|
690 * Inherit the documents already in use by other includes |
|
691 */ |
|
692 newctxt->incBase = ctxt->incNr; |
|
693 for (i = 0;i < ctxt->incNr;i++) { |
|
694 newctxt->incTab[i] = ctxt->incTab[i]; |
|
695 newctxt->incTab[i]->count++; /* prevent the recursion from |
|
696 freeing it */ |
|
697 } |
|
698 /* |
|
699 * The new context should also inherit the Parse Flags |
|
700 * |
|
701 */ |
|
702 newctxt->parseFlags = ctxt->parseFlags; |
|
703 xmlXIncludeDoProcess(newctxt, doc, xmlDocGetRootElement(doc)); |
|
704 for (i = 0;i < ctxt->incNr;i++) { |
|
705 newctxt->incTab[i]->count--; |
|
706 newctxt->incTab[i] = NULL; |
|
707 } |
|
708 |
|
709 /* urlTab may have been reallocated */ |
|
710 ctxt->urlTab = newctxt->urlTab; |
|
711 ctxt->urlMax = newctxt->urlMax; |
|
712 |
|
713 newctxt->urlMax = 0; |
|
714 newctxt->urlNr = 0; |
|
715 newctxt->urlTab = NULL; |
|
716 |
|
717 xmlXIncludeFreeContext(newctxt); |
|
718 } |
|
719 #ifdef DEBUG_XINCLUDE |
|
720 xmlGenericError(xmlGenericErrorContext, "Done recursing in doc %s\n", url); |
|
721 #endif |
|
722 } |
|
723 |
|
724 /** |
|
725 * xmlXIncludeAddTxt: |
|
726 * @param ctxt the XInclude context |
|
727 * @param txt the new text node |
|
728 * @param url the associated URL |
|
729 * |
|
730 * Add a new txtument to the list |
|
731 */ |
|
732 static void |
|
733 xmlXIncludeAddTxt(xmlXIncludeCtxtPtr ctxt, xmlNodePtr txt, const xmlURL url) |
|
734 { |
|
735 #ifdef DEBUG_XINCLUDE |
|
736 xmlGenericError(xmlGenericErrorContext, "Adding text %s\n", url); |
|
737 #endif |
|
738 if (ctxt->txtMax == 0) { |
|
739 |
|
740 ctxt->txtMax = 0; |
|
741 ctxt->txtTab = (xmlNodePtr*) xmlMalloc(4 * sizeof(ctxt->txtTab[0])); |
|
742 if (ctxt->txtTab) |
|
743 goto OOM_exit; |
|
744 ctxt->txturlTab = (xmlURL *) xmlMalloc(4 * sizeof(ctxt->txturlTab[0])); |
|
745 if (!ctxt->txturlTab) { |
|
746 if(ctxt->txtTab) |
|
747 xmlFree(ctxt->txtTab); |
|
748 OOM_exit: |
|
749 xmlXIncludeErrMemory(ctxt, NULL, "processing text"); |
|
750 return; |
|
751 } |
|
752 ctxt->txtMax = 4; // both arrays were allocated |
|
753 } |
|
754 if (ctxt->txtNr >= ctxt->txtMax) { |
|
755 xmlNodePtr* tmpNodes; |
|
756 xmlURL* tmpURL; |
|
757 ctxt->txtMax *= 2; |
|
758 tmpNodes = (xmlNodePtr*) xmlRealloc(ctxt->txtTab, // DONE: Fix xmlRealloc |
|
759 ctxt->txtMax * sizeof(ctxt->txtTab[0])); |
|
760 if (!tmpNodes) |
|
761 goto OOM_exit; |
|
762 ctxt->txtTab = tmpNodes; |
|
763 |
|
764 tmpURL = (xmlURL*) xmlRealloc(ctxt->txturlTab, // DONE: Fix xmlRealloc |
|
765 ctxt->txtMax * sizeof(ctxt->txturlTab[0])); |
|
766 if (!tmpURL) |
|
767 goto OOM_exit; |
|
768 ctxt->txturlTab = tmpURL; |
|
769 } |
|
770 ctxt->txtTab[ctxt->txtNr] = txt; |
|
771 ctxt->txturlTab[ctxt->txtNr] = xmlStrdup(url); |
|
772 ctxt->txtNr++; |
|
773 } |
|
774 |
|
775 /************************************************************************ |
|
776 * * |
|
777 * Node copy with specific semantic * |
|
778 * * |
|
779 ************************************************************************/ |
|
780 |
|
781 /** |
|
782 * xmlXIncludeCopyNode: |
|
783 * @param ctxt the XInclude context |
|
784 * @param target the document target |
|
785 * @param source the document source |
|
786 * @param elem the element |
|
787 * |
|
788 * Make a copy of the node while preserving the XInclude semantic |
|
789 * of the Infoset copy |
|
790 */ |
|
791 static xmlNodePtr |
|
792 xmlXIncludeCopyNode(xmlXIncludeCtxtPtr ctxt, xmlDocPtr target, |
|
793 xmlDocPtr source, xmlNodePtr elem) { |
|
794 xmlNodePtr result = NULL; |
|
795 |
|
796 if ((ctxt == NULL) || (target == NULL) || (source == NULL) || |
|
797 (elem == NULL)) |
|
798 return(NULL); |
|
799 if (elem->type == XML_DTD_NODE) |
|
800 return(NULL); |
|
801 result = xmlDocCopyNode(elem, target, 1); |
|
802 return(result); |
|
803 } |
|
804 |
|
805 /** |
|
806 * xmlXIncludeCopyNodeList: |
|
807 * @param ctxt the XInclude context |
|
808 * @param target the document target |
|
809 * @param source the document source |
|
810 * @param elem the element list |
|
811 * |
|
812 * Make a copy of the node list while preserving the XInclude semantic |
|
813 * of the Infoset copy |
|
814 */ |
|
815 static xmlNodePtr |
|
816 xmlXIncludeCopyNodeList(xmlXIncludeCtxtPtr ctxt, xmlDocPtr target, |
|
817 xmlDocPtr source, xmlNodePtr elem) { |
|
818 xmlNodePtr cur, res, result = NULL, last = NULL; |
|
819 |
|
820 if ((ctxt == NULL) || (target == NULL) || (source == NULL) || |
|
821 (elem == NULL)) |
|
822 return(NULL); |
|
823 cur = elem; |
|
824 while (cur != NULL) { |
|
825 res = xmlXIncludeCopyNode(ctxt, target, source, cur); |
|
826 if (res != NULL) { |
|
827 if (result == NULL) { |
|
828 result = last = res; |
|
829 } else { |
|
830 last->next = res; |
|
831 res->prev = last; |
|
832 last = res; |
|
833 } |
|
834 } |
|
835 cur = cur->next; |
|
836 } |
|
837 return(result); |
|
838 } |
|
839 |
|
840 /** |
|
841 * xmlXIncludeGetNthChild: |
|
842 * @param cur the node |
|
843 * @param no the child number |
|
844 * |
|
845 * Returns the n'th element child of cur or NULL |
|
846 */ |
|
847 static xmlNodePtr |
|
848 xmlXIncludeGetNthChild(xmlNodePtr cur, int no) { |
|
849 int i; |
|
850 if (cur == NULL) |
|
851 return(cur); |
|
852 cur = cur->children; |
|
853 for (i = 0;i <= no;cur = cur->next) { |
|
854 if (cur == NULL) |
|
855 return(cur); |
|
856 if ((cur->type == XML_ELEMENT_NODE) || |
|
857 (cur->type == XML_DOCUMENT_NODE) || |
|
858 (cur->type == XML_HTML_DOCUMENT_NODE)) { |
|
859 i++; |
|
860 if (i == no) |
|
861 break; |
|
862 } |
|
863 } |
|
864 return(cur); |
|
865 } |
|
866 |
|
867 xmlNodePtr xmlXPtrAdvanceNode(xmlNodePtr cur, int *level); /* in xpointer.c */ |
|
868 /** |
|
869 * xmlXIncludeCopyRange: |
|
870 * @param ctxt the XInclude context |
|
871 * @param target the document target |
|
872 * @param source the document source |
|
873 * @param obj the XPointer result from the evaluation. |
|
874 * |
|
875 * Build a node list tree copy of the XPointer result. |
|
876 * |
|
877 * Returns an xmlNodePtr list or NULL. |
|
878 * The caller has to free the node tree. |
|
879 */ |
|
880 static xmlNodePtr |
|
881 xmlXIncludeCopyRange(xmlXIncludeCtxtPtr ctxt, xmlDocPtr target, |
|
882 xmlDocPtr source, xmlXPathObjectPtr range) { |
|
883 /* pointers to generated nodes */ |
|
884 xmlNodePtr list = NULL, last = NULL, listParent = NULL; |
|
885 xmlNodePtr tmp, tmp2; |
|
886 /* pointers to traversal nodes */ |
|
887 xmlNodePtr start, cur, end; |
|
888 int index1, index2; |
|
889 int level = 0, lastLevel = 0, endLevel = 0, endFlag = 0; |
|
890 |
|
891 if ((ctxt == NULL) || (target == NULL) || (source == NULL) || |
|
892 (range == NULL)) |
|
893 return(NULL); |
|
894 if (range->type != XPATH_RANGE) |
|
895 return(NULL); |
|
896 start = (xmlNodePtr) range->user; |
|
897 |
|
898 if (start == NULL) |
|
899 return(NULL); |
|
900 end = range->user2; |
|
901 if (end == NULL) |
|
902 return(xmlDocCopyNode(start, target, 1)); |
|
903 |
|
904 cur = start; |
|
905 index1 = range->index; |
|
906 index2 = range->index2; |
|
907 /* |
|
908 * level is depth of the current node under consideration |
|
909 * list is the pointer to the root of the output tree |
|
910 * listParent is a pointer to the parent of output tree (within |
|
911 the included file) in case we need to add another level |
|
912 * last is a pointer to the last node added to the output tree |
|
913 * lastLevel is the depth of last (relative to the root) |
|
914 */ |
|
915 while (cur != NULL) { |
|
916 /* |
|
917 * Check if our output tree needs a parent |
|
918 */ |
|
919 if (level < 0) { |
|
920 while (level < 0) { |
|
921 /* copy must include namespaces and properties */ |
|
922 tmp2 = xmlDocCopyNode(listParent, target, 2); |
|
923 xmlAddChild(tmp2, list); |
|
924 list = tmp2; |
|
925 listParent = listParent->parent; |
|
926 level++; |
|
927 } |
|
928 last = list; |
|
929 lastLevel = 0; |
|
930 } |
|
931 /* |
|
932 * Check whether we need to change our insertion point |
|
933 */ |
|
934 while (level < lastLevel) { |
|
935 last = last->parent; |
|
936 lastLevel --; |
|
937 } |
|
938 if (cur == end) { /* Are we at the end of the range? */ |
|
939 if (cur->type == XML_TEXT_NODE) { |
|
940 const xmlChar *content = cur->content; |
|
941 int len; |
|
942 |
|
943 if (content == NULL) { |
|
944 tmp = xmlNewTextLen(NULL, 0); |
|
945 } else { |
|
946 len = index2; |
|
947 if ((cur == start) && (index1 > 1)) { |
|
948 content += (index1 - 1); |
|
949 len -= (index1 - 1); |
|
950 index1 = 0; |
|
951 } else { |
|
952 len = index2; |
|
953 } |
|
954 tmp = xmlNewTextLen(content, len); |
|
955 } |
|
956 /* single sub text node selection */ |
|
957 if (list == NULL) |
|
958 return(tmp); |
|
959 /* prune and return full set */ |
|
960 if (level == lastLevel) |
|
961 xmlAddNextSibling(last, tmp); |
|
962 else |
|
963 xmlAddChild(last, tmp); |
|
964 return(list); |
|
965 } else { /* ending node not a text node */ |
|
966 endLevel = level; /* remember the level of the end node */ |
|
967 endFlag = 1; |
|
968 /* last node - need to take care of properties + namespaces */ |
|
969 tmp = xmlDocCopyNode(cur, target, 2); |
|
970 if (list == NULL) { |
|
971 list = tmp; |
|
972 listParent = cur->parent; |
|
973 } else { |
|
974 if (level == lastLevel) |
|
975 xmlAddNextSibling(last, tmp); |
|
976 else { |
|
977 xmlAddChild(last, tmp); |
|
978 lastLevel = level; |
|
979 } |
|
980 } |
|
981 last = tmp; |
|
982 |
|
983 if (index2 > 1) { |
|
984 end = xmlXIncludeGetNthChild(cur, index2 - 1); |
|
985 index2 = 0; |
|
986 } |
|
987 if ((cur == start) && (index1 > 1)) { |
|
988 cur = xmlXIncludeGetNthChild(cur, index1 - 1); |
|
989 index1 = 0; |
|
990 } else { |
|
991 cur = cur->children; |
|
992 } |
|
993 level++; /* increment level to show change */ |
|
994 /* |
|
995 * Now gather the remaining nodes from cur to end |
|
996 */ |
|
997 continue; /* while */ |
|
998 } |
|
999 } else if (cur == start) { /* Not at the end, are we at start? */ |
|
1000 if ((cur->type == XML_TEXT_NODE) || |
|
1001 (cur->type == XML_CDATA_SECTION_NODE)) { |
|
1002 const xmlChar *content = cur->content; |
|
1003 |
|
1004 if (content == NULL) { |
|
1005 tmp = xmlNewTextLen(NULL, 0); |
|
1006 } else { |
|
1007 if (index1 > 1) { |
|
1008 content += (index1 - 1); |
|
1009 index1 = 0; |
|
1010 } |
|
1011 tmp = xmlNewText(content); |
|
1012 } |
|
1013 last = list = tmp; |
|
1014 listParent = cur->parent; |
|
1015 } else { /* Not text node */ |
|
1016 /* |
|
1017 * start of the range - need to take care of |
|
1018 * properties and namespaces |
|
1019 */ |
|
1020 tmp = xmlDocCopyNode(cur, target, 2); |
|
1021 list = last = tmp; |
|
1022 listParent = cur->parent; |
|
1023 if (index1 > 1) { /* Do we need to position? */ |
|
1024 cur = xmlXIncludeGetNthChild(cur, index1 - 1); |
|
1025 level = lastLevel = 1; |
|
1026 index1 = 0; |
|
1027 /* |
|
1028 * Now gather the remaining nodes from cur to end |
|
1029 */ |
|
1030 continue; /* while */ |
|
1031 } |
|
1032 } |
|
1033 } else { |
|
1034 tmp = NULL; |
|
1035 switch (cur->type) { |
|
1036 case XML_DTD_NODE: |
|
1037 case XML_ELEMENT_DECL: |
|
1038 case XML_ATTRIBUTE_DECL: |
|
1039 case XML_ENTITY_NODE: |
|
1040 /* Do not copy DTD informations */ |
|
1041 break; |
|
1042 case XML_ENTITY_DECL: |
|
1043 /* handle crossing entities -> stack needed */ |
|
1044 break; |
|
1045 case XML_XINCLUDE_START: |
|
1046 case XML_XINCLUDE_END: |
|
1047 /* don't consider it part of the tree content */ |
|
1048 break; |
|
1049 case XML_ATTRIBUTE_NODE: |
|
1050 /* Humm, should not happen ! */ |
|
1051 break; |
|
1052 default: |
|
1053 /* |
|
1054 * Middle of the range - need to take care of |
|
1055 * properties and namespaces |
|
1056 */ |
|
1057 tmp = xmlDocCopyNode(cur, target, 2); |
|
1058 break; |
|
1059 } |
|
1060 if (tmp != NULL) { |
|
1061 if (level == lastLevel) |
|
1062 xmlAddNextSibling(last, tmp); |
|
1063 else { |
|
1064 xmlAddChild(last, tmp); |
|
1065 lastLevel = level; |
|
1066 } |
|
1067 last = tmp; |
|
1068 } |
|
1069 } |
|
1070 /* |
|
1071 * Skip to next node in document order |
|
1072 */ |
|
1073 cur = xmlXPtrAdvanceNode(cur, &level); |
|
1074 if (endFlag && (level >= endLevel)) |
|
1075 break; |
|
1076 } |
|
1077 return(list); |
|
1078 } |
|
1079 |
|
1080 /** |
|
1081 * xmlXIncludeBuildNodeList: |
|
1082 * @param ctxt the XInclude context |
|
1083 * @param target the document target |
|
1084 * @param source the document source |
|
1085 * @param obj the XPointer result from the evaluation. |
|
1086 * |
|
1087 * Build a node list tree copy of the XPointer result. |
|
1088 * This will drop Attributes and Namespace declarations. |
|
1089 * |
|
1090 * Returns an xmlNodePtr list or NULL. |
|
1091 * the caller has to free the node tree. |
|
1092 */ |
|
1093 static xmlNodePtr |
|
1094 xmlXIncludeCopyXPointer(xmlXIncludeCtxtPtr ctxt, xmlDocPtr target, |
|
1095 xmlDocPtr source, xmlXPathObjectPtr obj) { |
|
1096 xmlNodePtr list = NULL, last = NULL; |
|
1097 int i; |
|
1098 |
|
1099 if (source == NULL) |
|
1100 source = ctxt->doc; |
|
1101 if ((ctxt == NULL) || (target == NULL) || (source == NULL) || |
|
1102 (obj == NULL)) |
|
1103 return(NULL); |
|
1104 switch (obj->type) { |
|
1105 case XPATH_NODESET: { |
|
1106 xmlNodeSetPtr set = obj->nodesetval; |
|
1107 if (set == NULL) |
|
1108 return(NULL); |
|
1109 for (i = 0;i < set->nodeNr;i++) { |
|
1110 if (set->nodeTab[i] == NULL) |
|
1111 continue; |
|
1112 switch (set->nodeTab[i]->type) { |
|
1113 case XML_TEXT_NODE: |
|
1114 case XML_CDATA_SECTION_NODE: |
|
1115 case XML_ELEMENT_NODE: |
|
1116 case XML_ENTITY_REF_NODE: |
|
1117 case XML_ENTITY_NODE: |
|
1118 case XML_PI_NODE: |
|
1119 case XML_COMMENT_NODE: |
|
1120 case XML_DOCUMENT_NODE: |
|
1121 case XML_HTML_DOCUMENT_NODE: |
|
1122 #ifdef LIBXML_DOCB_ENABLED |
|
1123 case XML_DOCB_DOCUMENT_NODE: |
|
1124 #endif |
|
1125 case XML_XINCLUDE_END: |
|
1126 break; |
|
1127 case XML_XINCLUDE_START: { |
|
1128 xmlNodePtr tmp, cur = set->nodeTab[i]; |
|
1129 |
|
1130 cur = cur->next; |
|
1131 while (cur != NULL) { |
|
1132 switch(cur->type) { |
|
1133 case XML_TEXT_NODE: |
|
1134 case XML_CDATA_SECTION_NODE: |
|
1135 case XML_ELEMENT_NODE: |
|
1136 case XML_ENTITY_REF_NODE: |
|
1137 case XML_ENTITY_NODE: |
|
1138 case XML_PI_NODE: |
|
1139 case XML_COMMENT_NODE: |
|
1140 tmp = xmlXIncludeCopyNode(ctxt, target, |
|
1141 source, cur); |
|
1142 if (last == NULL) { |
|
1143 list = last = tmp; |
|
1144 } else { |
|
1145 xmlAddNextSibling(last, tmp); |
|
1146 last = tmp; |
|
1147 } |
|
1148 cur = cur->next; |
|
1149 continue; |
|
1150 default: |
|
1151 break; |
|
1152 } |
|
1153 break; |
|
1154 } |
|
1155 continue; |
|
1156 } |
|
1157 case XML_ATTRIBUTE_NODE: |
|
1158 case XML_NAMESPACE_DECL: |
|
1159 case XML_DOCUMENT_TYPE_NODE: |
|
1160 case XML_DOCUMENT_FRAG_NODE: |
|
1161 case XML_NOTATION_NODE: |
|
1162 case XML_DTD_NODE: |
|
1163 case XML_ELEMENT_DECL: |
|
1164 case XML_ATTRIBUTE_DECL: |
|
1165 case XML_ENTITY_DECL: |
|
1166 continue; /* for */ |
|
1167 } |
|
1168 if (last == NULL) |
|
1169 list = last = xmlXIncludeCopyNode(ctxt, target, source, |
|
1170 set->nodeTab[i]); |
|
1171 else { |
|
1172 xmlAddNextSibling(last, |
|
1173 xmlXIncludeCopyNode(ctxt, target, source, |
|
1174 set->nodeTab[i])); |
|
1175 if (last->next != NULL) |
|
1176 last = last->next; |
|
1177 } |
|
1178 } |
|
1179 break; |
|
1180 } |
|
1181 case XPATH_LOCATIONSET: { |
|
1182 xmlLocationSetPtr set = (xmlLocationSetPtr) obj->user; |
|
1183 if (set == NULL) |
|
1184 return(NULL); |
|
1185 for (i = 0;i < set->locNr;i++) { |
|
1186 if (last == NULL) |
|
1187 list = last = xmlXIncludeCopyXPointer(ctxt, target, source, |
|
1188 set->locTab[i]); |
|
1189 else |
|
1190 xmlAddNextSibling(last, |
|
1191 xmlXIncludeCopyXPointer(ctxt, target, source, |
|
1192 set->locTab[i])); |
|
1193 if (last != NULL) { |
|
1194 while (last->next != NULL) |
|
1195 last = last->next; |
|
1196 } |
|
1197 } |
|
1198 break; |
|
1199 } |
|
1200 #ifdef LIBXML_XPTR_ENABLED |
|
1201 case XPATH_RANGE: |
|
1202 return(xmlXIncludeCopyRange(ctxt, target, source, obj)); |
|
1203 #endif |
|
1204 case XPATH_POINT: |
|
1205 /* points are ignored in XInclude */ |
|
1206 break; |
|
1207 default: |
|
1208 break; |
|
1209 } |
|
1210 return(list); |
|
1211 } |
|
1212 /************************************************************************ |
|
1213 * * |
|
1214 * XInclude I/O handling * |
|
1215 * * |
|
1216 ************************************************************************/ |
|
1217 |
|
1218 typedef struct _xmlXIncludeMergeData xmlXIncludeMergeData; |
|
1219 typedef xmlXIncludeMergeData *xmlXIncludeMergeDataPtr; |
|
1220 struct _xmlXIncludeMergeData { |
|
1221 xmlDocPtr doc; |
|
1222 xmlXIncludeCtxtPtr ctxt; |
|
1223 }; |
|
1224 |
|
1225 /** |
|
1226 * xmlXIncludeMergeOneEntity: |
|
1227 * @param ent the entity |
|
1228 * @param doc the including doc |
|
1229 * @param nr the entity name |
|
1230 * |
|
1231 * Inplements the merge of one entity |
|
1232 */ |
|
1233 static void |
|
1234 xmlXIncludeMergeEntity(xmlEntityPtr ent, xmlXIncludeMergeDataPtr data, |
|
1235 xmlChar *name ATTRIBUTE_UNUSED) { |
|
1236 xmlEntityPtr ret, prev; |
|
1237 xmlDocPtr doc; |
|
1238 xmlXIncludeCtxtPtr ctxt; |
|
1239 |
|
1240 if ((ent == NULL) || (data == NULL)) |
|
1241 return; |
|
1242 ctxt = data->ctxt; |
|
1243 doc = data->doc; |
|
1244 if ((ctxt == NULL) || (doc == NULL)) |
|
1245 return; |
|
1246 switch (ent->etype) { |
|
1247 case XML_INTERNAL_PARAMETER_ENTITY: |
|
1248 case XML_EXTERNAL_PARAMETER_ENTITY: |
|
1249 case XML_INTERNAL_PREDEFINED_ENTITY: |
|
1250 return; |
|
1251 case XML_INTERNAL_GENERAL_ENTITY: |
|
1252 case XML_EXTERNAL_GENERAL_PARSED_ENTITY: |
|
1253 case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY: |
|
1254 break; |
|
1255 } |
|
1256 ret = xmlAddDocEntity(doc, ent->name, ent->etype, ent->ExternalID, |
|
1257 ent->SystemID, ent->content); |
|
1258 if (ret != NULL) { |
|
1259 if (ent->URI != NULL) |
|
1260 ret->URI = xmlStrdup(ent->URI); |
|
1261 } else { |
|
1262 prev = xmlGetDocEntity(doc, ent->name); |
|
1263 if (prev != NULL) { |
|
1264 if (ent->etype != prev->etype) |
|
1265 goto error; |
|
1266 |
|
1267 if ((ent->SystemID != NULL) && (prev->SystemID != NULL)) { |
|
1268 if (!xmlStrEqual(ent->SystemID, prev->SystemID)) |
|
1269 goto error; |
|
1270 } else if ((ent->ExternalID != NULL) && |
|
1271 (prev->ExternalID != NULL)) { |
|
1272 if (!xmlStrEqual(ent->ExternalID, prev->ExternalID)) |
|
1273 goto error; |
|
1274 } else if ((ent->content != NULL) && (prev->content != NULL)) { |
|
1275 if (!xmlStrEqual(ent->content, prev->content)) |
|
1276 goto error; |
|
1277 } else { |
|
1278 goto error; |
|
1279 } |
|
1280 |
|
1281 } |
|
1282 } |
|
1283 return; |
|
1284 error: |
|
1285 switch (ent->etype) { |
|
1286 case XML_INTERNAL_PARAMETER_ENTITY: |
|
1287 case XML_EXTERNAL_PARAMETER_ENTITY: |
|
1288 case XML_INTERNAL_PREDEFINED_ENTITY: |
|
1289 case XML_INTERNAL_GENERAL_ENTITY: |
|
1290 case XML_EXTERNAL_GENERAL_PARSED_ENTITY: |
|
1291 return; |
|
1292 case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY: |
|
1293 break; |
|
1294 } |
|
1295 xmlXIncludeErr(ctxt, (xmlNodePtr) ent, XML_XINCLUDE_ENTITY_DEF_MISMATCH, |
|
1296 "mismatch in redefinition of entity %s\n", |
|
1297 ent->name); |
|
1298 } |
|
1299 |
|
1300 /** |
|
1301 * xmlXIncludeMergeEntities: |
|
1302 * @param ctxt an XInclude context |
|
1303 * @param doc the including doc |
|
1304 * @param from the included doc |
|
1305 * |
|
1306 * Inplements the entity merge |
|
1307 * |
|
1308 * Returns 0 if merge succeeded, -1 if some processing failed |
|
1309 */ |
|
1310 static int |
|
1311 xmlXIncludeMergeEntities(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc, |
|
1312 xmlDocPtr from) { |
|
1313 xmlNodePtr cur; |
|
1314 xmlDtdPtr target, source; |
|
1315 |
|
1316 if (ctxt == NULL) |
|
1317 return(-1); |
|
1318 |
|
1319 if ((from == NULL) || (from->intSubset == NULL)) |
|
1320 return(0); |
|
1321 |
|
1322 target = doc->intSubset; |
|
1323 if (target == NULL) { |
|
1324 cur = xmlDocGetRootElement(doc); |
|
1325 if (cur == NULL) |
|
1326 return(-1); |
|
1327 target = xmlCreateIntSubset(doc, cur->name, NULL, NULL); |
|
1328 if (target == NULL) |
|
1329 return(-1); |
|
1330 } |
|
1331 |
|
1332 source = from->intSubset; |
|
1333 if ((source != NULL) && (source->entities != NULL)) { |
|
1334 xmlXIncludeMergeData data; |
|
1335 |
|
1336 data.ctxt = ctxt; |
|
1337 data.doc = doc; |
|
1338 |
|
1339 xmlHashScan((xmlHashTablePtr) source->entities, |
|
1340 (xmlHashScanner) xmlXIncludeMergeEntity, &data); |
|
1341 } |
|
1342 source = from->extSubset; |
|
1343 if ((source != NULL) && (source->entities != NULL)) { |
|
1344 xmlXIncludeMergeData data; |
|
1345 |
|
1346 data.ctxt = ctxt; |
|
1347 data.doc = doc; |
|
1348 |
|
1349 /* |
|
1350 * don't duplicate existing stuff when external subsets are the same |
|
1351 */ |
|
1352 if ((!xmlStrEqual(target->ExternalID, source->ExternalID)) && |
|
1353 (!xmlStrEqual(target->SystemID, source->SystemID))) { |
|
1354 xmlHashScan((xmlHashTablePtr) source->entities, |
|
1355 (xmlHashScanner) xmlXIncludeMergeEntity, &data); |
|
1356 } |
|
1357 } |
|
1358 return(0); |
|
1359 } |
|
1360 |
|
1361 /** |
|
1362 * xmlXIncludeLoadDoc: |
|
1363 * @param ctxt the XInclude context |
|
1364 * @param url the associated URL |
|
1365 * @param nr the xinclude node number |
|
1366 * |
|
1367 * Load the document, and store the result in the XInclude context |
|
1368 * |
|
1369 * Returns 0 in case of success, -1 in case of failure |
|
1370 */ |
|
1371 static int |
|
1372 xmlXIncludeLoadDoc(xmlXIncludeCtxtPtr ctxt, const xmlChar *url, int nr) { |
|
1373 xmlDocPtr doc; |
|
1374 xmlURIPtr uri; |
|
1375 xmlChar *URL; |
|
1376 xmlChar *fragment = NULL; |
|
1377 int i = 0; |
|
1378 #ifdef LIBXML_XPTR_ENABLED |
|
1379 int saveFlags; |
|
1380 #endif |
|
1381 |
|
1382 #ifdef DEBUG_XINCLUDE |
|
1383 xmlGenericError(xmlGenericErrorContext, "Loading doc %s:%d\n", url, nr); |
|
1384 #endif |
|
1385 /* |
|
1386 * Check the URL and remove any fragment identifier |
|
1387 */ |
|
1388 uri = xmlParseURI((const char *)url); |
|
1389 if (uri == NULL) { |
|
1390 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1391 XML_XINCLUDE_HREF_URI, |
|
1392 "invalid value URI %s\n", url); |
|
1393 return(-1); |
|
1394 } |
|
1395 if (uri->fragment != NULL) { |
|
1396 fragment = (xmlChar *) uri->fragment; |
|
1397 uri->fragment = NULL; |
|
1398 } |
|
1399 if ((ctxt->incTab != NULL) && (ctxt->incTab[nr] != NULL) && |
|
1400 (ctxt->incTab[nr]->fragment != NULL)) { |
|
1401 if (fragment != NULL) xmlFree(fragment); |
|
1402 fragment = xmlStrdup(ctxt->incTab[nr]->fragment); |
|
1403 } |
|
1404 URL = xmlSaveUri(uri); |
|
1405 xmlFreeURI(uri); |
|
1406 if (URL == NULL) { |
|
1407 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1408 XML_XINCLUDE_HREF_URI, |
|
1409 "invalid value URI %s\n", url); |
|
1410 if (fragment != NULL) |
|
1411 xmlFree(fragment); |
|
1412 return(-1); |
|
1413 } |
|
1414 |
|
1415 /* |
|
1416 * Handling of references to the local document are done |
|
1417 * directly through ctxt->doc. |
|
1418 */ |
|
1419 if ((URL[0] == 0) || (URL[0] == '#') || |
|
1420 ((ctxt->doc != NULL) && (xmlStrEqual(URL, ctxt->doc->URL)))) { |
|
1421 doc = NULL; |
|
1422 goto loaded; |
|
1423 } |
|
1424 |
|
1425 /* |
|
1426 * Prevent reloading twice the document. |
|
1427 */ |
|
1428 for (i = 0; i < ctxt->incNr; i++) { |
|
1429 if ((xmlStrEqual(URL, ctxt->incTab[i]->URI)) && |
|
1430 (ctxt->incTab[i]->doc != NULL)) { |
|
1431 doc = ctxt->incTab[i]->doc; |
|
1432 #ifdef DEBUG_XINCLUDE |
|
1433 printf("Already loaded %s\n", URL); |
|
1434 #endif |
|
1435 goto loaded; |
|
1436 } |
|
1437 } |
|
1438 |
|
1439 /* |
|
1440 * Load it. |
|
1441 */ |
|
1442 #ifdef DEBUG_XINCLUDE |
|
1443 printf("loading %s\n", URL); |
|
1444 #endif |
|
1445 #ifdef LIBXML_XPTR_ENABLED |
|
1446 /* |
|
1447 * If this is an XPointer evaluation, we want to assure that |
|
1448 * all entities have been resolved prior to processing the |
|
1449 * referenced document |
|
1450 */ |
|
1451 saveFlags = ctxt->parseFlags; |
|
1452 if (fragment != NULL) { /* if this is an XPointer eval */ |
|
1453 ctxt->parseFlags |= XML_PARSE_NOENT; |
|
1454 } |
|
1455 #endif |
|
1456 |
|
1457 doc = xmlXIncludeParseFile(ctxt, (const char *)URL); |
|
1458 #ifdef LIBXML_XPTR_ENABLED |
|
1459 ctxt->parseFlags = saveFlags; |
|
1460 #endif |
|
1461 if (doc == NULL) { |
|
1462 xmlFree(URL); |
|
1463 if (fragment != NULL) |
|
1464 xmlFree(fragment); |
|
1465 return(-1); |
|
1466 } |
|
1467 ctxt->incTab[nr]->doc = doc; |
|
1468 for (i = nr + 1; i < ctxt->incNr; i++) { |
|
1469 if (xmlStrEqual(URL, ctxt->incTab[i]->URI)) { |
|
1470 ctxt->incTab[nr]->count++; |
|
1471 #ifdef DEBUG_XINCLUDE |
|
1472 printf("Increasing %s count since reused\n", URL); |
|
1473 #endif |
|
1474 break; |
|
1475 } |
|
1476 } |
|
1477 |
|
1478 /* |
|
1479 * Make sure we have all entities fixed up |
|
1480 */ |
|
1481 xmlXIncludeMergeEntities(ctxt, ctxt->doc, doc); |
|
1482 |
|
1483 /* |
|
1484 * We don't need the DTD anymore, free up space |
|
1485 if (doc->intSubset != NULL) { |
|
1486 xmlUnlinkNode((xmlNodePtr) doc->intSubset); |
|
1487 xmlFreeNode((xmlNodePtr) doc->intSubset); |
|
1488 doc->intSubset = NULL; |
|
1489 } |
|
1490 if (doc->extSubset != NULL) { |
|
1491 xmlUnlinkNode((xmlNodePtr) doc->extSubset); |
|
1492 xmlFreeNode((xmlNodePtr) doc->extSubset); |
|
1493 doc->extSubset = NULL; |
|
1494 } |
|
1495 */ |
|
1496 xmlXIncludeRecurseDoc(ctxt, doc, URL); |
|
1497 |
|
1498 loaded: |
|
1499 if (fragment == NULL) { |
|
1500 /* |
|
1501 * Add the top children list as the replacement copy. |
|
1502 */ |
|
1503 if (doc == NULL) |
|
1504 { |
|
1505 /* Hopefully a DTD declaration won't be copied from |
|
1506 * the same document */ |
|
1507 ctxt->incTab[nr]->inc = xmlCopyNodeList(ctxt->doc->children); |
|
1508 } else { |
|
1509 ctxt->incTab[nr]->inc = xmlXIncludeCopyNodeList(ctxt, ctxt->doc, |
|
1510 doc, doc->children); |
|
1511 } |
|
1512 } |
|
1513 #ifdef LIBXML_XPTR_ENABLED |
|
1514 else { |
|
1515 /* |
|
1516 * Computes the XPointer expression and make a copy used |
|
1517 * as the replacement copy. |
|
1518 */ |
|
1519 xmlXPathObjectPtr xptr; |
|
1520 xmlXPathContextPtr xptrctxt; |
|
1521 xmlNodeSetPtr set; |
|
1522 |
|
1523 if (doc == NULL) { |
|
1524 xptrctxt = xmlXPtrNewContext(ctxt->doc, ctxt->incTab[nr]->ref, |
|
1525 NULL); |
|
1526 } else { |
|
1527 xptrctxt = xmlXPtrNewContext(doc, NULL, NULL); |
|
1528 } |
|
1529 if (xptrctxt == NULL) { |
|
1530 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1531 XML_XINCLUDE_XPTR_FAILED, |
|
1532 "could not create XPointer context\n", NULL); |
|
1533 xmlFree(URL); |
|
1534 xmlFree(fragment); |
|
1535 return(-1); |
|
1536 } |
|
1537 xptr = xmlXPtrEval(fragment, xptrctxt); |
|
1538 if (xptr == NULL) { |
|
1539 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1540 XML_XINCLUDE_XPTR_FAILED, |
|
1541 "XPointer evaluation failed: #%s\n", |
|
1542 fragment); |
|
1543 xmlXPathFreeContext(xptrctxt); |
|
1544 xmlFree(URL); |
|
1545 xmlFree(fragment); |
|
1546 return(-1); |
|
1547 } |
|
1548 switch (xptr->type) { |
|
1549 case XPATH_UNDEFINED: |
|
1550 case XPATH_BOOLEAN: |
|
1551 case XPATH_NUMBER: |
|
1552 case XPATH_STRING: |
|
1553 case XPATH_POINT: |
|
1554 case XPATH_USERS: |
|
1555 case XPATH_XSLT_TREE: |
|
1556 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1557 XML_XINCLUDE_XPTR_RESULT, |
|
1558 "XPointer is not a range: #%s\n", |
|
1559 fragment); |
|
1560 xmlXPathFreeContext(xptrctxt); |
|
1561 xmlFree(URL); |
|
1562 xmlFree(fragment); |
|
1563 return(-1); |
|
1564 case XPATH_NODESET: |
|
1565 if ((xptr->nodesetval == NULL) || |
|
1566 (xptr->nodesetval->nodeNr <= 0)) { |
|
1567 xmlXPathFreeContext(xptrctxt); |
|
1568 xmlFree(URL); |
|
1569 xmlFree(fragment); |
|
1570 return(-1); |
|
1571 } |
|
1572 case XPATH_RANGE: |
|
1573 case XPATH_LOCATIONSET: |
|
1574 break; |
|
1575 } |
|
1576 set = xptr->nodesetval; |
|
1577 if (set != NULL) { |
|
1578 for (i = 0;i < set->nodeNr;i++) { |
|
1579 if (set->nodeTab[i] == NULL) |
|
1580 continue; |
|
1581 switch (set->nodeTab[i]->type) { |
|
1582 case XML_TEXT_NODE: |
|
1583 case XML_CDATA_SECTION_NODE: |
|
1584 case XML_ELEMENT_NODE: |
|
1585 case XML_ENTITY_REF_NODE: |
|
1586 case XML_ENTITY_NODE: |
|
1587 case XML_PI_NODE: |
|
1588 case XML_COMMENT_NODE: |
|
1589 case XML_DOCUMENT_NODE: |
|
1590 case XML_HTML_DOCUMENT_NODE: |
|
1591 #ifdef LIBXML_DOCB_ENABLED |
|
1592 case XML_DOCB_DOCUMENT_NODE: |
|
1593 #endif |
|
1594 continue; |
|
1595 case XML_ATTRIBUTE_NODE: |
|
1596 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1597 XML_XINCLUDE_XPTR_RESULT, |
|
1598 "XPointer selects an attribute: #%s\n", |
|
1599 fragment); |
|
1600 set->nodeTab[i] = NULL; |
|
1601 continue; |
|
1602 case XML_NAMESPACE_DECL: |
|
1603 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1604 XML_XINCLUDE_XPTR_RESULT, |
|
1605 "XPointer selects a namespace: #%s\n", |
|
1606 fragment); |
|
1607 set->nodeTab[i] = NULL; |
|
1608 continue; |
|
1609 case XML_DOCUMENT_TYPE_NODE: |
|
1610 case XML_DOCUMENT_FRAG_NODE: |
|
1611 case XML_NOTATION_NODE: |
|
1612 case XML_DTD_NODE: |
|
1613 case XML_ELEMENT_DECL: |
|
1614 case XML_ATTRIBUTE_DECL: |
|
1615 case XML_ENTITY_DECL: |
|
1616 case XML_XINCLUDE_START: |
|
1617 case XML_XINCLUDE_END: |
|
1618 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1619 XML_XINCLUDE_XPTR_RESULT, |
|
1620 "XPointer selects unexpected nodes: #%s\n", |
|
1621 fragment); |
|
1622 set->nodeTab[i] = NULL; |
|
1623 set->nodeTab[i] = NULL; |
|
1624 continue; /* for */ |
|
1625 } |
|
1626 } |
|
1627 } |
|
1628 if (doc == NULL) { |
|
1629 ctxt->incTab[nr]->xptr = xptr; |
|
1630 ctxt->incTab[nr]->inc = NULL; |
|
1631 } else { |
|
1632 ctxt->incTab[nr]->inc = |
|
1633 xmlXIncludeCopyXPointer(ctxt, ctxt->doc, doc, xptr); |
|
1634 xmlXPathFreeObject(xptr); |
|
1635 } |
|
1636 xmlXPathFreeContext(xptrctxt); |
|
1637 xmlFree(fragment); |
|
1638 } |
|
1639 #endif |
|
1640 |
|
1641 /* |
|
1642 * Do the xml:base fixup if needed |
|
1643 */ |
|
1644 if ((doc != NULL) && (URL != NULL) && (xmlStrchr(URL, (xmlChar) '/'))) { |
|
1645 xmlNodePtr node; |
|
1646 |
|
1647 node = ctxt->incTab[nr]->inc; |
|
1648 while (node != NULL) { |
|
1649 if (node->type == XML_ELEMENT_NODE) |
|
1650 xmlNodeSetBase(node, URL); |
|
1651 node = node->next; |
|
1652 } |
|
1653 } |
|
1654 if ((nr < ctxt->incNr) && (ctxt->incTab[nr]->doc != NULL) && |
|
1655 (ctxt->incTab[nr]->count <= 1)) { |
|
1656 #ifdef DEBUG_XINCLUDE |
|
1657 printf("freeing %s\n", ctxt->incTab[nr]->doc->URL); |
|
1658 #endif |
|
1659 xmlFreeDoc(ctxt->incTab[nr]->doc); |
|
1660 ctxt->incTab[nr]->doc = NULL; |
|
1661 } |
|
1662 xmlFree(URL); |
|
1663 return(0); |
|
1664 } |
|
1665 |
|
1666 /** |
|
1667 * xmlXIncludeLoadTxt: |
|
1668 * @param ctxt the XInclude context |
|
1669 * @param url the associated URL |
|
1670 * @param nr the xinclude node number |
|
1671 * |
|
1672 * Load the content, and store the result in the XInclude context |
|
1673 * |
|
1674 * Returns 0 in case of success, -1 in case of failure |
|
1675 */ |
|
1676 static int |
|
1677 xmlXIncludeLoadTxt(xmlXIncludeCtxtPtr ctxt, const xmlChar *url, int nr) { |
|
1678 xmlParserInputBufferPtr buf; |
|
1679 xmlNodePtr node; |
|
1680 xmlURIPtr uri; |
|
1681 xmlChar *URL; |
|
1682 int i; |
|
1683 xmlChar *encoding = NULL; |
|
1684 xmlCharEncoding enc = (xmlCharEncoding) 0; |
|
1685 |
|
1686 /* |
|
1687 * Check the URL and remove any fragment identifier |
|
1688 */ |
|
1689 uri = xmlParseURI((const char *)url); |
|
1690 if (uri == NULL) { |
|
1691 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, XML_XINCLUDE_HREF_URI, |
|
1692 "invalid value URI %s\n", url); |
|
1693 return(-1); |
|
1694 } |
|
1695 if (uri->fragment != NULL) { |
|
1696 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, XML_XINCLUDE_TEXT_FRAGMENT, |
|
1697 "fragment identifier forbidden for text: %s\n", |
|
1698 (const xmlChar *) uri->fragment); |
|
1699 xmlFreeURI(uri); |
|
1700 return(-1); |
|
1701 } |
|
1702 URL = xmlSaveUri(uri); |
|
1703 xmlFreeURI(uri); |
|
1704 if (URL == NULL) { |
|
1705 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, XML_XINCLUDE_HREF_URI, |
|
1706 "invalid value URI %s\n", url); |
|
1707 return(-1); |
|
1708 } |
|
1709 |
|
1710 /* |
|
1711 * Handling of references to the local document are done |
|
1712 * directly through ctxt->doc. |
|
1713 */ |
|
1714 if (URL[0] == 0) { |
|
1715 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1716 XML_XINCLUDE_TEXT_DOCUMENT, |
|
1717 "text serialization of document not available\n", NULL); |
|
1718 xmlFree(URL); |
|
1719 return(-1); |
|
1720 } |
|
1721 |
|
1722 /* |
|
1723 * Prevent reloading twice the document. |
|
1724 */ |
|
1725 for (i = 0; i < ctxt->txtNr; i++) { |
|
1726 if (xmlStrEqual(URL, ctxt->txturlTab[i])) { |
|
1727 node = xmlCopyNode(ctxt->txtTab[i], 1); |
|
1728 goto loaded; |
|
1729 } |
|
1730 } |
|
1731 /* |
|
1732 * Try to get the encoding if available |
|
1733 */ |
|
1734 if ((ctxt->incTab[nr] != NULL) && (ctxt->incTab[nr]->ref != NULL)) { |
|
1735 encoding = xmlGetProp(ctxt->incTab[nr]->ref, XINCLUDE_PARSE_ENCODING); |
|
1736 } |
|
1737 if (encoding != NULL) { |
|
1738 /* |
|
1739 * we should not have to remap to the xmlCharEncoding |
|
1740 * predefined set, a better interface than |
|
1741 * xmlParserInputBufferCreateFilename should allow any |
|
1742 * encoding supported by iconv |
|
1743 */ |
|
1744 enc = xmlParseCharEncoding((const char *) encoding); |
|
1745 if (enc == XML_CHAR_ENCODING_ERROR) { |
|
1746 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1747 XML_XINCLUDE_UNKNOWN_ENCODING, |
|
1748 "encoding %s not supported\n", encoding); |
|
1749 xmlFree(encoding); |
|
1750 xmlFree(URL); |
|
1751 return(-1); |
|
1752 } |
|
1753 xmlFree(encoding); |
|
1754 } |
|
1755 |
|
1756 /* |
|
1757 * Load it. |
|
1758 */ |
|
1759 buf = xmlParserInputBufferCreateFilename((const char *)URL, enc); |
|
1760 if (buf == NULL) { |
|
1761 xmlFree(URL); |
|
1762 return(-1); |
|
1763 } |
|
1764 node = xmlNewText(NULL); |
|
1765 |
|
1766 /* |
|
1767 * Scan all chars from the resource and add the to the node |
|
1768 */ |
|
1769 while (xmlParserInputBufferRead(buf, 128) > 0) { |
|
1770 int len; |
|
1771 const xmlChar *content; |
|
1772 |
|
1773 content = xmlBufferContent(buf->buffer); |
|
1774 len = xmlBufferLength(buf->buffer); |
|
1775 for (i = 0;i < len;) { |
|
1776 int cur; |
|
1777 int k; // DONE: Rename 'l' --> 'k' |
|
1778 |
|
1779 cur = xmlStringCurrentChar(NULL, &content[i], &k); |
|
1780 if (!IS_CHAR(cur)) { |
|
1781 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1782 XML_XINCLUDE_INVALID_CHAR, |
|
1783 "%s contains invalid char\n", URL); |
|
1784 } else { |
|
1785 xmlNodeAddContentLen(node, &content[i], k); // may set OOM flag |
|
1786 } |
|
1787 i += k; |
|
1788 } |
|
1789 xmlBufferShrink(buf->buffer, len); |
|
1790 } |
|
1791 xmlFreeParserInputBuffer(buf); |
|
1792 xmlXIncludeAddTxt(ctxt, node, URL); |
|
1793 |
|
1794 loaded: |
|
1795 /* |
|
1796 * Add the element as the replacement copy. |
|
1797 */ |
|
1798 ctxt->incTab[nr]->inc = node; |
|
1799 xmlFree(URL); |
|
1800 return(0); |
|
1801 } |
|
1802 |
|
1803 /** |
|
1804 * xmlXIncludeLoadFallback: |
|
1805 * @param ctxt the XInclude context |
|
1806 * @param fallback the fallback node |
|
1807 * @param nr the xinclude node number |
|
1808 * |
|
1809 * Load the content of the fallback node, and store the result |
|
1810 * in the XInclude context |
|
1811 * |
|
1812 * Returns 0 in case of success, -1 in case of failure |
|
1813 */ |
|
1814 static int |
|
1815 xmlXIncludeLoadFallback(xmlXIncludeCtxtPtr ctxt, xmlNodePtr fallback, int nr) { |
|
1816 xmlXIncludeCtxtPtr newctxt; |
|
1817 int ret = 0; |
|
1818 |
|
1819 if ((fallback == NULL) || (ctxt == NULL)) |
|
1820 return(-1); |
|
1821 if (fallback->children != NULL) { |
|
1822 /* |
|
1823 * It's possible that the fallback also has 'includes' |
|
1824 * , so we re-process the fallback just in case |
|
1825 */ |
|
1826 newctxt = xmlXIncludeNewContext(ctxt->doc); |
|
1827 if (newctxt == NULL) |
|
1828 return (-1); |
|
1829 xmlXIncludeSetFlags(newctxt, ctxt->parseFlags); |
|
1830 ret = xmlXIncludeDoProcess(newctxt, ctxt->doc, fallback->children); |
|
1831 if (ctxt->nbErrors > 0) |
|
1832 ret = -1; |
|
1833 else if (ret > 0) |
|
1834 ret = 0; /* xmlXIncludeDoProcess can return +ve number */ |
|
1835 xmlXIncludeFreeContext(newctxt); |
|
1836 |
|
1837 ctxt->incTab[nr]->inc = xmlCopyNodeList(fallback->children); |
|
1838 } else { |
|
1839 ctxt->incTab[nr]->inc = NULL; |
|
1840 ctxt->incTab[nr]->emptyFb = 1; /* flag empty callback */ |
|
1841 } |
|
1842 return(ret); |
|
1843 } |
|
1844 |
|
1845 /************************************************************************ |
|
1846 * * |
|
1847 * XInclude Processing * |
|
1848 * * |
|
1849 ************************************************************************/ |
|
1850 |
|
1851 /** |
|
1852 * xmlXIncludePreProcessNode: |
|
1853 * @param ctxt an XInclude context |
|
1854 * @param node an XInclude node |
|
1855 * |
|
1856 * Implement the XInclude preprocessing, currently just adding the element |
|
1857 * for further processing. |
|
1858 * |
|
1859 * Returns the result list or NULL in case of error |
|
1860 */ |
|
1861 static xmlNodePtr |
|
1862 xmlXIncludePreProcessNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node) { |
|
1863 xmlXIncludeAddNode(ctxt, node); |
|
1864 return(0); |
|
1865 } |
|
1866 |
|
1867 /** |
|
1868 * xmlXIncludeLoadNode: |
|
1869 * @param ctxt an XInclude context |
|
1870 * @param nr the node number |
|
1871 * |
|
1872 * Find and load the infoset replacement for the given node. |
|
1873 * |
|
1874 * Returns 0 if substitution succeeded, -1 if some processing failed |
|
1875 */ |
|
1876 static int |
|
1877 xmlXIncludeLoadNode(xmlXIncludeCtxtPtr ctxt, int nr) { |
|
1878 xmlNodePtr cur; |
|
1879 xmlChar *href; |
|
1880 xmlChar *parse; |
|
1881 xmlChar *base; |
|
1882 xmlChar *URI; |
|
1883 int xml = 1; /* default Issue 64 */ |
|
1884 int ret; |
|
1885 |
|
1886 if (ctxt == NULL) |
|
1887 return(-1); |
|
1888 if ((nr < 0) || (nr >= ctxt->incNr)) |
|
1889 return(-1); |
|
1890 cur = ctxt->incTab[nr]->ref; |
|
1891 if (cur == NULL) |
|
1892 return(-1); |
|
1893 |
|
1894 /* |
|
1895 * read the attributes |
|
1896 */ |
|
1897 href = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_HREF); |
|
1898 if (href == NULL) { |
|
1899 href = xmlStrdup(BAD_CAST ""); /* @@@@ href is now optional */ |
|
1900 if (href == NULL) |
|
1901 return(-1); |
|
1902 } |
|
1903 parse = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_PARSE); |
|
1904 if (parse != NULL) { |
|
1905 if (xmlStrEqual(parse, XINCLUDE_PARSE_XML)) |
|
1906 xml = 1; |
|
1907 else if (xmlStrEqual(parse, XINCLUDE_PARSE_TEXT)) |
|
1908 xml = 0; |
|
1909 else { |
|
1910 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1911 XML_XINCLUDE_PARSE_VALUE, |
|
1912 "invalid value %s for 'parse'\n", parse); |
|
1913 if (href != NULL) |
|
1914 xmlFree(href); |
|
1915 if (parse != NULL) |
|
1916 xmlFree(parse); |
|
1917 return(-1); |
|
1918 } |
|
1919 } |
|
1920 |
|
1921 /* |
|
1922 * compute the URI |
|
1923 */ |
|
1924 base = xmlNodeGetBase(ctxt->doc, cur); |
|
1925 if (base == NULL) { |
|
1926 URI = xmlBuildURI(href, ctxt->doc->URL); |
|
1927 } else { |
|
1928 URI = xmlBuildURI(href, base); |
|
1929 } |
|
1930 if (URI == NULL) { |
|
1931 xmlChar *escbase; |
|
1932 xmlChar *eschref; |
|
1933 /* |
|
1934 * Some escaping may be needed |
|
1935 */ |
|
1936 escbase = xmlURIEscape(base); |
|
1937 eschref = xmlURIEscape(href); |
|
1938 URI = xmlBuildURI(eschref, escbase); |
|
1939 if (escbase != NULL) |
|
1940 xmlFree(escbase); |
|
1941 if (eschref != NULL) |
|
1942 xmlFree(eschref); |
|
1943 } |
|
1944 if (URI == NULL) { |
|
1945 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1946 XML_XINCLUDE_HREF_URI, "failed build URL\n", NULL); |
|
1947 if (parse != NULL) |
|
1948 xmlFree(parse); |
|
1949 if (href != NULL) |
|
1950 xmlFree(href); |
|
1951 if (base != NULL) |
|
1952 xmlFree(base); |
|
1953 return(-1); |
|
1954 } |
|
1955 #ifdef DEBUG_XINCLUDE |
|
1956 xmlGenericError(xmlGenericErrorContext, "parse: %s\n", |
|
1957 xml ? "xml": "text"); |
|
1958 xmlGenericError(xmlGenericErrorContext, "URI: %s\n", URI); |
|
1959 #endif |
|
1960 |
|
1961 /* |
|
1962 * Cleanup |
|
1963 */ |
|
1964 if (xml) { |
|
1965 ret = xmlXIncludeLoadDoc(ctxt, URI, nr); |
|
1966 /* xmlXIncludeGetFragment(ctxt, cur, URI); */ |
|
1967 } else { |
|
1968 ret = xmlXIncludeLoadTxt(ctxt, URI, nr); |
|
1969 } |
|
1970 if (ret < 0) { |
|
1971 xmlNodePtr children; |
|
1972 |
|
1973 /* |
|
1974 * Time to try a fallback if availble |
|
1975 */ |
|
1976 #ifdef DEBUG_XINCLUDE |
|
1977 xmlGenericError(xmlGenericErrorContext, "error looking for fallback\n"); |
|
1978 #endif |
|
1979 children = cur->children; |
|
1980 while (children != NULL) { |
|
1981 if ((children->type == XML_ELEMENT_NODE) && |
|
1982 (children->ns != NULL) && |
|
1983 (xmlStrEqual(children->name, XINCLUDE_FALLBACK)) && |
|
1984 ((xmlStrEqual(children->ns->href, XINCLUDE_NS)) || |
|
1985 (xmlStrEqual(children->ns->href, XINCLUDE_OLD_NS)))) { |
|
1986 ret = xmlXIncludeLoadFallback(ctxt, children, nr); |
|
1987 if (ret == 0) |
|
1988 break; |
|
1989 } |
|
1990 children = children->next; |
|
1991 } |
|
1992 } |
|
1993 if (ret < 0) { |
|
1994 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
1995 XML_XINCLUDE_NO_FALLBACK, |
|
1996 "could not load %s, and no fallback was found\n", |
|
1997 URI); |
|
1998 } |
|
1999 |
|
2000 /* |
|
2001 * Cleanup |
|
2002 */ |
|
2003 if (URI != NULL) |
|
2004 xmlFree(URI); |
|
2005 if (parse != NULL) |
|
2006 xmlFree(parse); |
|
2007 if (href != NULL) |
|
2008 xmlFree(href); |
|
2009 if (base != NULL) |
|
2010 xmlFree(base); |
|
2011 return(0); |
|
2012 } |
|
2013 |
|
2014 /** |
|
2015 * xmlXIncludeIncludeNode: |
|
2016 * @param ctxt an XInclude context |
|
2017 * @param nr the node number |
|
2018 * |
|
2019 * Inplement the infoset replacement for the given node |
|
2020 * |
|
2021 * Returns 0 if substitution succeeded, -1 if some processing failed |
|
2022 */ |
|
2023 static int |
|
2024 xmlXIncludeIncludeNode(xmlXIncludeCtxtPtr ctxt, int nr) { |
|
2025 xmlNodePtr cur, end, list, tmp; |
|
2026 |
|
2027 if (ctxt == NULL) |
|
2028 return(-1); |
|
2029 if ((nr < 0) || (nr >= ctxt->incNr)) |
|
2030 return(-1); |
|
2031 cur = ctxt->incTab[nr]->ref; |
|
2032 if (cur == NULL) |
|
2033 return(-1); |
|
2034 |
|
2035 /* |
|
2036 * If we stored an XPointer a late computation may be needed |
|
2037 */ |
|
2038 if ((ctxt->incTab[nr]->inc == NULL) && |
|
2039 (ctxt->incTab[nr]->xptr != NULL)) { |
|
2040 ctxt->incTab[nr]->inc = |
|
2041 xmlXIncludeCopyXPointer(ctxt, ctxt->doc, ctxt->doc, |
|
2042 ctxt->incTab[nr]->xptr); |
|
2043 xmlXPathFreeObject(ctxt->incTab[nr]->xptr); |
|
2044 ctxt->incTab[nr]->xptr = NULL; |
|
2045 } |
|
2046 list = ctxt->incTab[nr]->inc; |
|
2047 ctxt->incTab[nr]->inc = NULL; |
|
2048 |
|
2049 /* |
|
2050 * Check against the risk of generating a multi-rooted document |
|
2051 */ |
|
2052 if ((cur->parent != NULL) && |
|
2053 (cur->parent->type != XML_ELEMENT_NODE)) { |
|
2054 int nb_elem = 0; |
|
2055 |
|
2056 tmp = list; |
|
2057 while (tmp != NULL) { |
|
2058 if (tmp->type == XML_ELEMENT_NODE) |
|
2059 nb_elem++; |
|
2060 tmp = tmp->next; |
|
2061 } |
|
2062 if (nb_elem > 1) { |
|
2063 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, |
|
2064 XML_XINCLUDE_MULTIPLE_ROOT, |
|
2065 "XInclude error: would result in multiple root nodes\n", |
|
2066 NULL); |
|
2067 return(-1); |
|
2068 } |
|
2069 } |
|
2070 |
|
2071 /* |
|
2072 * Change the current node as an XInclude start one, and add an |
|
2073 * entity end one |
|
2074 */ |
|
2075 cur->type = XML_XINCLUDE_START; |
|
2076 end = xmlNewNode(cur->ns, cur->name); |
|
2077 if (end == NULL) { |
|
2078 xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, XML_XINCLUDE_BUILD_FAILED, |
|
2079 "failed to build node\n", NULL); |
|
2080 return(-1); |
|
2081 } |
|
2082 end->type = XML_XINCLUDE_END; |
|
2083 xmlAddNextSibling(cur, end); |
|
2084 |
|
2085 /* |
|
2086 * Add the list of nodes |
|
2087 */ |
|
2088 while (list != NULL) { |
|
2089 cur = list; |
|
2090 list = list->next; |
|
2091 |
|
2092 xmlAddPrevSibling(end, cur); |
|
2093 } |
|
2094 |
|
2095 |
|
2096 return(0); |
|
2097 } |
|
2098 |
|
2099 /** |
|
2100 * xmlXIncludeTestNode: |
|
2101 * @param ctxt the XInclude processing context |
|
2102 * @param node an XInclude node |
|
2103 * |
|
2104 * test if the node is an XInclude node |
|
2105 * |
|
2106 * Returns 1 true, 0 otherwise |
|
2107 */ |
|
2108 static int |
|
2109 xmlXIncludeTestNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node) { |
|
2110 if (node == NULL) |
|
2111 return(0); |
|
2112 if (node->type != XML_ELEMENT_NODE) |
|
2113 return(0); |
|
2114 if (node->ns == NULL) |
|
2115 return(0); |
|
2116 if ((xmlStrEqual(node->ns->href, XINCLUDE_NS)) || |
|
2117 (xmlStrEqual(node->ns->href, XINCLUDE_OLD_NS))) { |
|
2118 if (xmlStrEqual(node->ns->href, XINCLUDE_OLD_NS)) { |
|
2119 if (ctxt->legacy == 0) { |
|
2120 #if 0 /* wait for the XML Core Working Group to get something stable ! */ |
|
2121 xmlXIncludeWarn(ctxt, node, XML_XINCLUDE_DEPRECATED_NS, |
|
2122 "Deprecated XInclude namespace found, use %s", |
|
2123 XINCLUDE_NS); |
|
2124 #endif |
|
2125 ctxt->legacy = 1; |
|
2126 } |
|
2127 } |
|
2128 if (xmlStrEqual(node->name, XINCLUDE_NODE)) { |
|
2129 xmlNodePtr child = node->children; |
|
2130 int nb_fallback = 0; |
|
2131 |
|
2132 while (child != NULL) { |
|
2133 if ((child->type == XML_ELEMENT_NODE) && |
|
2134 (child->ns != NULL) && |
|
2135 ((xmlStrEqual(child->ns->href, XINCLUDE_NS)) || |
|
2136 (xmlStrEqual(child->ns->href, XINCLUDE_OLD_NS)))) { |
|
2137 if (xmlStrEqual(child->name, XINCLUDE_NODE)) { |
|
2138 xmlXIncludeErr(ctxt, node, |
|
2139 XML_XINCLUDE_INCLUDE_IN_INCLUDE, |
|
2140 "%s has an 'include' child\n", |
|
2141 XINCLUDE_NODE); |
|
2142 return(0); |
|
2143 } |
|
2144 if (xmlStrEqual(child->name, XINCLUDE_FALLBACK)) { |
|
2145 nb_fallback++; |
|
2146 } |
|
2147 } |
|
2148 child = child->next; |
|
2149 } |
|
2150 if (nb_fallback > 1) { |
|
2151 xmlXIncludeErr(ctxt, node, XML_XINCLUDE_FALLBACKS_IN_INCLUDE, |
|
2152 "%s has multiple fallback children\n", |
|
2153 XINCLUDE_NODE); |
|
2154 return(0); |
|
2155 } |
|
2156 return(1); |
|
2157 } |
|
2158 if (xmlStrEqual(node->name, XINCLUDE_FALLBACK)) { |
|
2159 if ((node->parent == NULL) || |
|
2160 (node->parent->type != XML_ELEMENT_NODE) || |
|
2161 (node->parent->ns == NULL) || |
|
2162 ((!xmlStrEqual(node->parent->ns->href, XINCLUDE_NS)) && |
|
2163 (!xmlStrEqual(node->parent->ns->href, XINCLUDE_OLD_NS))) || |
|
2164 (!xmlStrEqual(node->parent->name, XINCLUDE_NODE))) { |
|
2165 xmlXIncludeErr(ctxt, node, |
|
2166 XML_XINCLUDE_FALLBACK_NOT_IN_INCLUDE, |
|
2167 "%s is not the child of an 'include'\n", |
|
2168 XINCLUDE_FALLBACK); |
|
2169 } |
|
2170 } |
|
2171 } |
|
2172 return(0); |
|
2173 } |
|
2174 |
|
2175 /** |
|
2176 * xmlXIncludeDoProcess: |
|
2177 * @param ctxt the XInclude processing context |
|
2178 * @param doc an XML document |
|
2179 * @param tree the top of the tree to process |
|
2180 * |
|
2181 * Implement the XInclude substitution on the XML document doc |
|
2182 * |
|
2183 * Returns 0 if no substitution were done, -1 if some processing failed |
|
2184 * or the number of substitutions done. |
|
2185 */ |
|
2186 static int |
|
2187 xmlXIncludeDoProcess(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc, xmlNodePtr tree) { |
|
2188 xmlNodePtr cur; |
|
2189 int ret = 0; |
|
2190 int i; |
|
2191 |
|
2192 if ((doc == NULL) || (tree == NULL)) |
|
2193 return(-1); |
|
2194 if (ctxt == NULL) |
|
2195 return(-1); |
|
2196 |
|
2197 if (doc->URL != NULL) { |
|
2198 ret = xmlXIncludeURLPush(ctxt, doc->URL); |
|
2199 if (ret < 0) |
|
2200 return(-1); |
|
2201 } |
|
2202 |
|
2203 /* |
|
2204 * First phase: lookup the elements in the document |
|
2205 */ |
|
2206 cur = tree; |
|
2207 if (xmlXIncludeTestNode(ctxt, cur) == 1) |
|
2208 xmlXIncludePreProcessNode(ctxt, cur); |
|
2209 while ((cur != NULL) && (cur != tree->parent)) { |
|
2210 |
|
2211 if ((cur->children != NULL) && |
|
2212 (cur->children->type != XML_ENTITY_DECL) && |
|
2213 (cur->children->type != XML_XINCLUDE_START) && |
|
2214 (cur->children->type != XML_XINCLUDE_END)) { |
|
2215 cur = cur->children; |
|
2216 if (xmlXIncludeTestNode(ctxt, cur)) |
|
2217 xmlXIncludePreProcessNode(ctxt, cur); |
|
2218 } else if (cur->next != NULL) { |
|
2219 cur = cur->next; |
|
2220 if (xmlXIncludeTestNode(ctxt, cur)) |
|
2221 xmlXIncludePreProcessNode(ctxt, cur); |
|
2222 } else { |
|
2223 if (cur == tree) |
|
2224 break; |
|
2225 do { |
|
2226 cur = cur->parent; |
|
2227 if ((cur == NULL) || (cur == tree->parent)) |
|
2228 break; /* do */ |
|
2229 if (cur->next != NULL) { |
|
2230 cur = cur->next; |
|
2231 if (xmlXIncludeTestNode(ctxt, cur)) |
|
2232 xmlXIncludePreProcessNode(ctxt, cur); |
|
2233 break; /* do */ |
|
2234 } |
|
2235 } while (cur != NULL); |
|
2236 } |
|
2237 } |
|
2238 |
|
2239 /* |
|
2240 * Second Phase : collect the infosets fragments |
|
2241 */ |
|
2242 for (i = ctxt->incBase;i < ctxt->incNr; i++) { |
|
2243 xmlXIncludeLoadNode(ctxt, i); |
|
2244 ret++; |
|
2245 } |
|
2246 |
|
2247 /* |
|
2248 * Third phase: extend the original document infoset. |
|
2249 * |
|
2250 * Originally we bypassed the inclusion if there were any errors |
|
2251 * encountered on any of the XIncludes. A bug132588 was raised requesting that we output the XIncludes without error, |
|
2252 * so the check for inc!=NULL || xptr!=NULL was put in. This may |
|
2253 * give some other problems in the future, but for now it seems to |
|
2254 * work ok. |
|
2255 * |
|
2256 */ |
|
2257 for (i = ctxt->incBase;i < ctxt->incNr; i++) { |
|
2258 if ((ctxt->incTab[i]->inc != NULL) || |
|
2259 (ctxt->incTab[i]->xptr != NULL) || |
|
2260 (ctxt->incTab[i]->emptyFb != 0)) /* (empty fallback) */ |
|
2261 xmlXIncludeIncludeNode(ctxt, i); |
|
2262 } |
|
2263 |
|
2264 if (doc->URL != NULL) |
|
2265 xmlXIncludeURLPop(ctxt); |
|
2266 return(ret); |
|
2267 } |
|
2268 |
|
2269 /** |
|
2270 * xmlXIncludeSetFlags: |
|
2271 * @param ctxt an XInclude processing context |
|
2272 * @param flags a set of xmlParserOption used for parsing XML includes |
|
2273 * |
|
2274 * Set the flags used for further processing of XML resources. |
|
2275 * |
|
2276 * Returns 0 in case of success and -1 in case of error. |
|
2277 */ |
|
2278 XMLPUBFUNEXPORT int |
|
2279 xmlXIncludeSetFlags(xmlXIncludeCtxtPtr ctxt, int flags) { |
|
2280 if (ctxt == NULL) |
|
2281 return(-1); |
|
2282 ctxt->parseFlags = flags; |
|
2283 return(0); |
|
2284 } |
|
2285 |
|
2286 /** |
|
2287 * xmlXIncludeProcessFlags: |
|
2288 * @param doc an XML document |
|
2289 * @param flags a set of xmlParserOption used for parsing XML includes |
|
2290 * |
|
2291 * Implement the XInclude substitution on the XML document doc |
|
2292 * |
|
2293 * Returns 0 if no substitution were done, -1 if some processing failed |
|
2294 * or the number of substitutions done. |
|
2295 */ |
|
2296 XMLPUBFUNEXPORT int |
|
2297 xmlXIncludeProcessFlags(xmlDocPtr doc, int flags) { |
|
2298 xmlXIncludeCtxtPtr ctxt; |
|
2299 xmlNodePtr tree; |
|
2300 int ret = 0; |
|
2301 |
|
2302 if (doc == NULL) |
|
2303 return(-1); |
|
2304 tree = xmlDocGetRootElement(doc); |
|
2305 if (tree == NULL) |
|
2306 return(-1); |
|
2307 ctxt = xmlXIncludeNewContext(doc); |
|
2308 if (ctxt == NULL) |
|
2309 return(-1); |
|
2310 xmlXIncludeSetFlags(ctxt, flags); |
|
2311 ret = xmlXIncludeDoProcess(ctxt, doc, tree); |
|
2312 if ((ret >= 0) && (ctxt->nbErrors > 0)) |
|
2313 ret = -1; |
|
2314 |
|
2315 xmlXIncludeFreeContext(ctxt); |
|
2316 return(ret); |
|
2317 } |
|
2318 |
|
2319 /** |
|
2320 * xmlXIncludeProcess: |
|
2321 * @param doc an XML document |
|
2322 * |
|
2323 * Implement the XInclude substitution on the XML document doc |
|
2324 * |
|
2325 * Returns 0 if no substitution were done, -1 if some processing failed |
|
2326 * or the number of substitutions done. |
|
2327 */ |
|
2328 XMLPUBFUNEXPORT int |
|
2329 xmlXIncludeProcess(xmlDocPtr doc) { |
|
2330 return(xmlXIncludeProcessFlags(doc, 0)); |
|
2331 } |
|
2332 |
|
2333 /** |
|
2334 * xmlXIncludeProcessTreeFlags: |
|
2335 * @param tree a node in an XML document |
|
2336 * @param flags a set of xmlParserOption used for parsing XML includes |
|
2337 * |
|
2338 * Implement the XInclude substitution for the given subtree |
|
2339 * |
|
2340 * Returns 0 if no substitution were done, -1 if some processing failed |
|
2341 * or the number of substitutions done. |
|
2342 */ |
|
2343 XMLPUBFUNEXPORT int |
|
2344 xmlXIncludeProcessTreeFlags(xmlNodePtr tree, int flags) { |
|
2345 xmlXIncludeCtxtPtr ctxt; |
|
2346 int ret = 0; |
|
2347 |
|
2348 if ((tree == NULL) || (tree->doc == NULL)) |
|
2349 return(-1); |
|
2350 ctxt = xmlXIncludeNewContext(tree->doc); |
|
2351 if (ctxt == NULL) |
|
2352 return(-1); |
|
2353 xmlXIncludeSetFlags(ctxt, flags); |
|
2354 ret = xmlXIncludeDoProcess(ctxt, tree->doc, tree); |
|
2355 if ((ret >= 0) && (ctxt->nbErrors > 0)) |
|
2356 ret = -1; |
|
2357 |
|
2358 xmlXIncludeFreeContext(ctxt); |
|
2359 return(ret); |
|
2360 } |
|
2361 |
|
2362 /** |
|
2363 * xmlXIncludeProcessTree: |
|
2364 * @param tree a node in an XML document |
|
2365 * |
|
2366 * Implement the XInclude substitution for the given subtree |
|
2367 * |
|
2368 * Returns 0 if no substitution were done, -1 if some processing failed |
|
2369 * or the number of substitutions done. |
|
2370 */ |
|
2371 XMLPUBFUNEXPORT int |
|
2372 xmlXIncludeProcessTree(xmlNodePtr tree) { |
|
2373 return(xmlXIncludeProcessTreeFlags(tree, 0)); |
|
2374 } |
|
2375 |
|
2376 /** |
|
2377 * xmlXIncludeProcessNode: |
|
2378 * @param ctxt an existing XInclude context |
|
2379 * @param node a node in an XML document |
|
2380 * |
|
2381 * Implement the XInclude substitution for the given subtree reusing |
|
2382 * the informations and data coming from the given context. |
|
2383 * |
|
2384 * Returns 0 if no substitution were done, -1 if some processing failed |
|
2385 * or the number of substitutions done. |
|
2386 */ |
|
2387 XMLPUBFUNEXPORT int |
|
2388 xmlXIncludeProcessNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node) { |
|
2389 int ret = 0; |
|
2390 |
|
2391 if ((node == NULL) || (node->doc == NULL) || (ctxt == NULL)) |
|
2392 return(-1); |
|
2393 ret = xmlXIncludeDoProcess(ctxt, node->doc, node); |
|
2394 if ((ret >= 0) && (ctxt->nbErrors > 0)) |
|
2395 ret = -1; |
|
2396 return(ret); |
|
2397 } |
|
2398 |
|
2399 #endif /* LIBXML_XINCLUDE_ENABLED */ |