1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Authors: Sterling Hughes <sterling@php.net> |
14 +----------------------------------------------------------------------+
15 */
16
17 #include "php.h"
18 #if defined(HAVE_LIBXML) && (defined(HAVE_XML) || defined(HAVE_XMLRPC)) && !defined(HAVE_LIBEXPAT)
19 #include "expat_compat.h"
20 #include "ext/libxml/php_libxml.h"
21
22 typedef struct _php_xml_ns {
23 xmlNsPtr nsptr;
24 int ref_count;
25 void *next;
26 void *prev;
27 } php_xml_ns;
28
29 #ifdef LIBXML_EXPAT_COMPAT
30
31 #define IS_NS_DECL(__ns) \
32 ((__ns) != NULL && strlen(__ns) == 5 && *(__ns) == 'x' && *((__ns)+1) == 'm' && \
33 *((__ns)+2) == 'l' && *((__ns)+3) == 'n' && *((__ns)+4) == 's')
34
35 static void
_qualify_namespace(XML_Parser parser,const xmlChar * name,const xmlChar * URI,xmlChar ** qualified)36 _qualify_namespace(XML_Parser parser, const xmlChar *name, const xmlChar *URI, xmlChar **qualified)
37 {
38 if (URI) {
39 /* Use libxml functions otherwise its memory deallocation is screwed up */
40 *qualified = xmlStrdup(URI);
41 *qualified = xmlStrncat(*qualified, parser->_ns_separator, 1);
42 *qualified = xmlStrncat(*qualified, name, xmlStrlen(name));
43 } else {
44 *qualified = xmlStrdup(name);
45 }
46 }
47
48 static void
_start_element_handler(void * user,const xmlChar * name,const xmlChar ** attributes)49 _start_element_handler(void *user, const xmlChar *name, const xmlChar **attributes)
50 {
51 XML_Parser parser = (XML_Parser) user;
52 xmlChar *qualified_name = NULL;
53
54 if (parser->h_start_element == NULL) {
55 if (parser->h_default) {
56 int attno = 0;
57
58 qualified_name = xmlStrncatNew((xmlChar *)"<", name, xmlStrlen(name));
59 if (attributes) {
60 while (attributes[attno] != NULL) {
61 int att_len;
62 char *att_string, *att_name, *att_value;
63
64 att_name = (char *)attributes[attno++];
65 att_value = (char *)attributes[attno++];
66
67 att_len = spprintf(&att_string, 0, " %s=\"%s\"", att_name, att_value);
68
69 qualified_name = xmlStrncat(qualified_name, (xmlChar *)att_string, att_len);
70 efree(att_string);
71 }
72
73 }
74 qualified_name = xmlStrncat(qualified_name, (xmlChar *)">", 1);
75 parser->h_default(parser->user, (const XML_Char *) qualified_name, xmlStrlen(qualified_name));
76 xmlFree(qualified_name);
77 }
78 return;
79 }
80
81 qualified_name = xmlStrdup(name);
82
83 parser->h_start_element(parser->user, (const XML_Char *) qualified_name, (const XML_Char **) attributes);
84
85 xmlFree(qualified_name);
86 }
87
88 static void
_start_element_handler_ns(void * user,const xmlChar * name,const xmlChar * prefix,const xmlChar * URI,int nb_namespaces,const xmlChar ** namespaces,int nb_attributes,int nb_defaulted,const xmlChar ** attributes)89 _start_element_handler_ns(void *user, const xmlChar *name, const xmlChar *prefix, const xmlChar *URI, int nb_namespaces, const xmlChar ** namespaces, int nb_attributes, int nb_defaulted, const xmlChar ** attributes)
90 {
91 XML_Parser parser = (XML_Parser) user;
92 xmlChar *qualified_name = NULL;
93 xmlChar **attrs = NULL;
94 int i;
95 int z = 0;
96 int y = 0;
97
98 if (nb_namespaces > 0 && parser->h_start_ns != NULL) {
99 for (i = 0; i < nb_namespaces; i += 1) {
100 parser->h_start_ns(parser->user, (const XML_Char *) namespaces[y], (const XML_Char *) namespaces[y+1]);
101 y += 2;
102 }
103 y = 0;
104 }
105
106 if (parser->h_start_element == NULL) {
107 if (parser->h_default) {
108
109 if (prefix) {
110 qualified_name = xmlStrncatNew((xmlChar *)"<", prefix, xmlStrlen(prefix));
111 qualified_name = xmlStrncat(qualified_name, (xmlChar *)":", 1);
112 qualified_name = xmlStrncat(qualified_name, name, xmlStrlen(name));
113 } else {
114 qualified_name = xmlStrncatNew((xmlChar *)"<", name, xmlStrlen(name));
115 }
116
117 if (namespaces) {
118 int i, j;
119 for (i = 0,j = 0;j < nb_namespaces;j++) {
120 int ns_len;
121 char *ns_string, *ns_prefix, *ns_url;
122
123 ns_prefix = (char *) namespaces[i++];
124 ns_url = (char *) namespaces[i++];
125
126 if (ns_prefix) {
127 ns_len = spprintf(&ns_string, 0, " xmlns:%s=\"%s\"", ns_prefix, ns_url);
128 } else {
129 ns_len = spprintf(&ns_string, 0, " xmlns=\"%s\"", ns_url);
130 }
131 qualified_name = xmlStrncat(qualified_name, (xmlChar *)ns_string, ns_len);
132
133 efree(ns_string);
134 }
135 }
136
137 if (attributes) {
138 for (i = 0; i < nb_attributes; i += 1) {
139 int att_len;
140 char *att_string, *att_name, *att_value, *att_prefix, *att_valueend;
141
142 att_name = (char *) attributes[y++];
143 att_prefix = (char *)attributes[y++];
144 y++;
145 att_value = (char *)attributes[y++];
146 att_valueend = (char *)attributes[y++];
147
148 if (att_prefix) {
149 att_len = spprintf(&att_string, 0, " %s:%s=\"", att_prefix, att_name);
150 } else {
151 att_len = spprintf(&att_string, 0, " %s=\"", att_name);
152 }
153
154 qualified_name = xmlStrncat(qualified_name, (xmlChar *)att_string, att_len);
155 qualified_name = xmlStrncat(qualified_name, (xmlChar *)att_value, att_valueend - att_value);
156 qualified_name = xmlStrncat(qualified_name, (xmlChar *)"\"", 1);
157
158 efree(att_string);
159 }
160
161 }
162 qualified_name = xmlStrncat(qualified_name, (xmlChar *)">", 1);
163 parser->h_default(parser->user, (const XML_Char *) qualified_name, xmlStrlen(qualified_name));
164 xmlFree(qualified_name);
165 }
166 return;
167 }
168 _qualify_namespace(parser, name, URI, &qualified_name);
169
170 if (attributes != NULL) {
171 xmlChar *qualified_name_attr = NULL;
172 attrs = safe_emalloc((nb_attributes * 2) + 1, sizeof(int *), 0);
173
174 for (i = 0; i < nb_attributes; i += 1) {
175
176 if (attributes[y+1] != NULL) {
177 _qualify_namespace(parser, attributes[y] , attributes[y + 2], &qualified_name_attr);
178 } else {
179 qualified_name_attr = xmlStrdup(attributes[y]);
180 }
181 attrs[z] = qualified_name_attr;
182 attrs[z + 1] = xmlStrndup(attributes[y + 3] , (int) (attributes[y + 4] - attributes[y + 3]));
183 z += 2;
184 y += 5;
185 }
186
187 attrs[z] = NULL;
188 }
189 parser->h_start_element(parser->user, (const XML_Char *) qualified_name, (const XML_Char **) attrs);
190 if (attrs) {
191 for (i = 0; i < z; i++) {
192 xmlFree(attrs[i]);
193 }
194 efree(attrs);
195 }
196 xmlFree(qualified_name);
197 }
198
199 static void
_end_element_handler(void * user,const xmlChar * name)200 _end_element_handler(void *user, const xmlChar *name)
201 {
202 xmlChar *qualified_name;
203 XML_Parser parser = (XML_Parser) user;
204
205 if (parser->h_end_element == NULL) {
206 if (parser->h_default) {
207 char *end_element;
208
209 spprintf(&end_element, 0, "</%s>", (char *)name);
210 parser->h_default(parser->user, (const XML_Char *) end_element, strlen(end_element));
211 efree(end_element);
212 }
213 return;
214 }
215
216 qualified_name = xmlStrdup(name);
217
218 parser->h_end_element(parser->user, (const XML_Char *) qualified_name);
219
220 xmlFree(qualified_name);
221 }
222
223 static void
_end_element_handler_ns(void * user,const xmlChar * name,const xmlChar * prefix,const xmlChar * URI)224 _end_element_handler_ns(void *user, const xmlChar *name, const xmlChar * prefix, const xmlChar *URI)
225 {
226 xmlChar *qualified_name;
227 XML_Parser parser = (XML_Parser) user;
228
229 if (parser->h_end_element == NULL) {
230 if (parser->h_default) {
231 char *end_element;
232 int end_element_len;
233
234 if (prefix) {
235 end_element_len = spprintf(&end_element, 0, "</%s:%s>", (char *) prefix, (char *)name);
236 } else {
237 end_element_len = spprintf(&end_element, 0, "</%s>", (char *)name);
238 }
239 parser->h_default(parser->user, (const XML_Char *) end_element, end_element_len);
240 efree(end_element);
241 }
242 return;
243 }
244
245 _qualify_namespace(parser, name, URI, &qualified_name);
246
247 parser->h_end_element(parser->user, (const XML_Char *) qualified_name);
248
249 xmlFree(qualified_name);
250 }
251
252 static void
_cdata_handler(void * user,const xmlChar * cdata,int cdata_len)253 _cdata_handler(void *user, const xmlChar *cdata, int cdata_len)
254 {
255 XML_Parser parser = (XML_Parser) user;
256
257 if (parser->h_cdata == NULL) {
258 if (parser->h_default) {
259 parser->h_default(parser->user, (const XML_Char *) cdata, cdata_len);
260 }
261 return;
262 }
263
264 parser->h_cdata(parser->user, (const XML_Char *) cdata, cdata_len);
265 }
266
267 static void
_pi_handler(void * user,const xmlChar * target,const xmlChar * data)268 _pi_handler(void *user, const xmlChar *target, const xmlChar *data)
269 {
270 XML_Parser parser = (XML_Parser) user;
271
272 if (parser->h_pi == NULL) {
273 if (parser->h_default) {
274 char *full_pi;
275 spprintf(&full_pi, 0, "<?%s %s?>", (char *)target, (char *)data);
276 parser->h_default(parser->user, (const XML_Char *) full_pi, strlen(full_pi));
277 efree(full_pi);
278 }
279 return;
280 }
281
282 parser->h_pi(parser->user, (const XML_Char *) target, (const XML_Char *) data);
283 }
284
285 static void
_unparsed_entity_decl_handler(void * user,const xmlChar * name,const xmlChar * pub_id,const xmlChar * sys_id,const xmlChar * notation)286 _unparsed_entity_decl_handler(void *user,
287 const xmlChar *name,
288 const xmlChar *pub_id,
289 const xmlChar *sys_id,
290 const xmlChar *notation)
291 {
292 XML_Parser parser = (XML_Parser) user;
293
294 if (parser->h_unparsed_entity_decl == NULL) {
295 return;
296 }
297
298 parser->h_unparsed_entity_decl(parser->user, name, NULL, sys_id, pub_id, notation);
299 }
300
301 static void
_notation_decl_handler(void * user,const xmlChar * notation,const xmlChar * pub_id,const xmlChar * sys_id)302 _notation_decl_handler(void *user, const xmlChar *notation, const xmlChar *pub_id, const xmlChar *sys_id)
303 {
304 XML_Parser parser = (XML_Parser) user;
305
306 if (parser->h_notation_decl == NULL) {
307 return;
308 }
309
310 parser->h_notation_decl(parser->user, notation, NULL, sys_id, pub_id);
311 }
312
313 static void
_build_comment(const xmlChar * data,int data_len,xmlChar ** comment,int * comment_len)314 _build_comment(const xmlChar *data, int data_len, xmlChar **comment, int *comment_len)
315 {
316 *comment_len = data_len + 7;
317
318 *comment = xmlMalloc(*comment_len + 1);
319 memcpy(*comment, "<!--", 4);
320 memcpy(*comment + 4, data, data_len);
321 memcpy(*comment + 4 + data_len, "-->", 3);
322
323 (*comment)[*comment_len] = '\0';
324 }
325
326 static void
_comment_handler(void * user,const xmlChar * comment)327 _comment_handler(void *user, const xmlChar *comment)
328 {
329 XML_Parser parser = (XML_Parser) user;
330
331 if (parser->h_default) {
332 xmlChar *d_comment;
333 int d_comment_len;
334
335 _build_comment(comment, xmlStrlen(comment), &d_comment, &d_comment_len);
336 parser->h_default(parser->user, d_comment, d_comment_len);
337 xmlFree(d_comment);
338 }
339 }
340
341 static void
_build_entity(const xmlChar * name,int len,xmlChar ** entity,int * entity_len)342 _build_entity(const xmlChar *name, int len, xmlChar **entity, int *entity_len)
343 {
344 *entity_len = len + 2;
345 *entity = xmlMalloc(*entity_len + 1);
346 (*entity)[0] = '&';
347 memcpy(*entity+1, name, len);
348 (*entity)[len+1] = ';';
349 (*entity)[*entity_len] = '\0';
350 }
351
352 static void
_external_entity_ref_handler(void * user,const xmlChar * names,int type,const xmlChar * sys_id,const xmlChar * pub_id,xmlChar * content)353 _external_entity_ref_handler(void *user, const xmlChar *names, int type, const xmlChar *sys_id, const xmlChar *pub_id, xmlChar *content)
354 {
355 XML_Parser parser = (XML_Parser) user;
356
357 if (parser->h_external_entity_ref == NULL) {
358 return;
359 }
360
361 if (!parser->h_external_entity_ref(parser, names, (XML_Char *) "", sys_id, pub_id)) {
362 xmlStopParser(parser->parser);
363 parser->parser->errNo = XML_ERROR_EXTERNAL_ENTITY_HANDLING;
364 };
365 }
366
367 static xmlEntityPtr
_get_entity(void * user,const xmlChar * name)368 _get_entity(void *user, const xmlChar *name)
369 {
370 XML_Parser parser = (XML_Parser) user;
371 xmlEntityPtr ret = NULL;
372
373 if (parser->parser->inSubset == 0) {
374 ret = xmlGetPredefinedEntity(name);
375 if (ret == NULL)
376 ret = xmlGetDocEntity(parser->parser->myDoc, name);
377
378 if (ret == NULL || parser->parser->instate == XML_PARSER_CONTENT) {
379 if (ret == NULL || ret->etype == XML_INTERNAL_GENERAL_ENTITY || ret->etype == XML_INTERNAL_PARAMETER_ENTITY || ret->etype == XML_INTERNAL_PREDEFINED_ENTITY) {
380 /* Predefined entities will expand unless no cdata handler is present */
381 if (parser->h_default && ! (ret && ret->etype == XML_INTERNAL_PREDEFINED_ENTITY && parser->h_cdata)) {
382 xmlChar *entity;
383 int len;
384
385 _build_entity(name, xmlStrlen(name), &entity, &len);
386 parser->h_default(parser->user, (const xmlChar *) entity, len);
387 xmlFree(entity);
388 } else {
389 /* expat will not expand internal entities if default handler is present otherwise
390 it will expand and pass them to cdata handler */
391 if (parser->h_cdata && ret) {
392 parser->h_cdata(parser->user, ret->content, xmlStrlen(ret->content));
393 }
394 }
395 } else {
396 if (ret->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY) {
397 _external_entity_ref_handler(user, ret->name, ret->etype, ret->SystemID, ret->ExternalID, NULL);
398 }
399 }
400 }
401 }
402
403 return ret;
404 }
405
406 static const xmlSAXHandler
407 php_xml_compat_handlers = {
408 NULL, /* internalSubset */
409 NULL, /* isStandalone */
410 NULL, /* hasInternalSubset */
411 NULL, /* hasExternalSubset */
412 NULL, /* resolveEntity */
413 _get_entity, /* getEntity */
414 NULL, /* entityDecl */
415 _notation_decl_handler,
416 NULL, /* attributeDecl */
417 NULL, /* elementDecl */
418 _unparsed_entity_decl_handler, /* unparsedEntity */
419 NULL, /* setDocumentLocator */
420 NULL, /* startDocument */
421 NULL, /* endDocument */
422 _start_element_handler, /* startElement */
423 _end_element_handler, /* endElement */
424 NULL, /* reference */
425 _cdata_handler,
426 NULL, /* ignorableWhitespace */
427 _pi_handler,
428 _comment_handler, /* comment */
429 NULL, /* warning */
430 NULL, /* error */
431 NULL, /* fatalError */
432 NULL, /* getParameterEntity */
433 _cdata_handler, /* cdataBlock */
434 NULL, /* externalSubset */
435 XML_SAX2_MAGIC,
436 NULL,
437 _start_element_handler_ns,
438 _end_element_handler_ns,
439 NULL
440 };
441
442 PHP_XML_API XML_Parser
XML_ParserCreate(const XML_Char * encoding)443 XML_ParserCreate(const XML_Char *encoding)
444 {
445 return XML_ParserCreate_MM(encoding, NULL, NULL);
446 }
447
448 PHP_XML_API XML_Parser
XML_ParserCreateNS(const XML_Char * encoding,const XML_Char sep)449 XML_ParserCreateNS(const XML_Char *encoding, const XML_Char sep)
450 {
451 XML_Char tmp[2];
452 tmp[0] = sep;
453 tmp[1] = '\0';
454 return XML_ParserCreate_MM(encoding, NULL, tmp);
455 }
456
457 PHP_XML_API XML_Parser
XML_ParserCreate_MM(const XML_Char * encoding,const XML_Memory_Handling_Suite * memsuite,const XML_Char * sep)458 XML_ParserCreate_MM(const XML_Char *encoding, const XML_Memory_Handling_Suite *memsuite, const XML_Char *sep)
459 {
460 XML_Parser parser;
461
462 parser = (XML_Parser) emalloc(sizeof(struct _XML_Parser));
463 memset(parser, 0, sizeof(struct _XML_Parser));
464 parser->use_namespace = 0;
465 parser->_ns_separator = NULL;
466
467 parser->parser = xmlCreatePushParserCtxt((xmlSAXHandlerPtr) &php_xml_compat_handlers, (void *) parser, NULL, 0, NULL);
468 if (parser->parser == NULL) {
469 efree(parser);
470 return NULL;
471 }
472
473 php_libxml_sanitize_parse_ctxt_options(parser->parser);
474 xmlCtxtUseOptions(parser->parser, XML_PARSE_OLDSAX | XML_PARSE_NOENT);
475
476 parser->parser->wellFormed = 0;
477 if (sep != NULL) {
478 /* Note: sax2 flag will be set due to the magic number in `initialized` in php_xml_compat_handlers */
479 ZEND_ASSERT(parser->parser->sax->initialized == XML_SAX2_MAGIC);
480 parser->use_namespace = 1;
481 parser->_ns_separator = xmlStrdup(sep);
482 } else {
483 /* Reset flag as XML_SAX2_MAGIC is needed for xmlCreatePushParserCtxt
484 so must be set in the handlers */
485 parser->parser->sax->initialized = 1;
486 }
487 return parser;
488 }
489
490 PHP_XML_API void
XML_SetUserData(XML_Parser parser,void * user)491 XML_SetUserData(XML_Parser parser, void *user)
492 {
493 parser->user = user;
494 }
495
496 PHP_XML_API void *
XML_GetUserData(XML_Parser parser)497 XML_GetUserData(XML_Parser parser)
498 {
499 return parser->user;
500 }
501
502 PHP_XML_API void
XML_SetElementHandler(XML_Parser parser,XML_StartElementHandler start,XML_EndElementHandler end)503 XML_SetElementHandler(XML_Parser parser, XML_StartElementHandler start, XML_EndElementHandler end)
504 {
505 parser->h_start_element = start;
506 parser->h_end_element = end;
507 }
508
509 PHP_XML_API void
XML_SetCharacterDataHandler(XML_Parser parser,XML_CharacterDataHandler cdata)510 XML_SetCharacterDataHandler(XML_Parser parser, XML_CharacterDataHandler cdata)
511 {
512 parser->h_cdata = cdata;
513 }
514
515 PHP_XML_API void
XML_SetProcessingInstructionHandler(XML_Parser parser,XML_ProcessingInstructionHandler pi)516 XML_SetProcessingInstructionHandler(XML_Parser parser, XML_ProcessingInstructionHandler pi)
517 {
518 parser->h_pi = pi;
519 }
520
521 PHP_XML_API void
XML_SetCommentHandler(XML_Parser parser,XML_CommentHandler comment)522 XML_SetCommentHandler(XML_Parser parser, XML_CommentHandler comment)
523 {
524 parser->h_comment = comment;
525 }
526
527 PHP_XML_API void
XML_SetDefaultHandler(XML_Parser parser,XML_DefaultHandler d)528 XML_SetDefaultHandler(XML_Parser parser, XML_DefaultHandler d)
529 {
530 parser->h_default = d;
531 }
532
533 PHP_XML_API void
XML_SetUnparsedEntityDeclHandler(XML_Parser parser,XML_UnparsedEntityDeclHandler unparsed_decl)534 XML_SetUnparsedEntityDeclHandler(XML_Parser parser, XML_UnparsedEntityDeclHandler unparsed_decl)
535 {
536 parser->h_unparsed_entity_decl = unparsed_decl;
537 }
538
539 PHP_XML_API void
XML_SetNotationDeclHandler(XML_Parser parser,XML_NotationDeclHandler notation_decl)540 XML_SetNotationDeclHandler(XML_Parser parser, XML_NotationDeclHandler notation_decl)
541 {
542 parser->h_notation_decl = notation_decl;
543 }
544
545 PHP_XML_API void
XML_SetExternalEntityRefHandler(XML_Parser parser,XML_ExternalEntityRefHandler ext_entity)546 XML_SetExternalEntityRefHandler(XML_Parser parser, XML_ExternalEntityRefHandler ext_entity)
547 {
548 parser->h_external_entity_ref = ext_entity;
549 }
550
551 PHP_XML_API void
XML_SetStartNamespaceDeclHandler(XML_Parser parser,XML_StartNamespaceDeclHandler start_ns)552 XML_SetStartNamespaceDeclHandler(XML_Parser parser, XML_StartNamespaceDeclHandler start_ns)
553 {
554 parser->h_start_ns = start_ns;
555 }
556
557 PHP_XML_API void
XML_SetEndNamespaceDeclHandler(XML_Parser parser,XML_EndNamespaceDeclHandler end_ns)558 XML_SetEndNamespaceDeclHandler(XML_Parser parser, XML_EndNamespaceDeclHandler end_ns)
559 {
560 parser->h_end_ns = end_ns;
561 }
562
563 PHP_XML_API int
XML_Parse(XML_Parser parser,const XML_Char * data,int data_len,int is_final)564 XML_Parse(XML_Parser parser, const XML_Char *data, int data_len, int is_final)
565 {
566 int error = xmlParseChunk(parser->parser, (char *) data, data_len, is_final);
567
568 if (!error) {
569 const xmlError *error_data = xmlCtxtGetLastError(parser->parser);
570 return !error_data || error_data->level <= XML_ERR_WARNING;
571 }
572
573 return 0;
574 }
575
576 PHP_XML_API int
XML_GetErrorCode(XML_Parser parser)577 XML_GetErrorCode(XML_Parser parser)
578 {
579 return parser->parser->errNo;
580 }
581
582 static const XML_Char *const error_mapping[] = {
583 (const XML_Char *)"No error",
584 (const XML_Char *)"No memory",
585 (const XML_Char *)"Invalid document start",
586 (const XML_Char *)"Empty document",
587 (const XML_Char *)"Not well-formed (invalid token)",
588 (const XML_Char *)"Invalid document end",
589 (const XML_Char *)"Invalid hexadecimal character reference",
590 (const XML_Char *)"Invalid decimal character reference",
591 (const XML_Char *)"Invalid character reference",
592 (const XML_Char *)"Invalid character",
593 (const XML_Char *)"XML_ERR_CHARREF_AT_EOF",
594 (const XML_Char *)"XML_ERR_CHARREF_IN_PROLOG",
595 (const XML_Char *)"XML_ERR_CHARREF_IN_EPILOG",
596 (const XML_Char *)"XML_ERR_CHARREF_IN_DTD",
597 (const XML_Char *)"XML_ERR_ENTITYREF_AT_EOF",
598 (const XML_Char *)"XML_ERR_ENTITYREF_IN_PROLOG",
599 (const XML_Char *)"XML_ERR_ENTITYREF_IN_EPILOG",
600 (const XML_Char *)"XML_ERR_ENTITYREF_IN_DTD",
601 (const XML_Char *)"PEReference at end of document",
602 (const XML_Char *)"PEReference in prolog",
603 (const XML_Char *)"PEReference in epilog",
604 (const XML_Char *)"PEReference: forbidden within markup decl in internal subset",
605 (const XML_Char *)"XML_ERR_ENTITYREF_NO_NAME",
606 (const XML_Char *)"EntityRef: expecting ';'",
607 (const XML_Char *)"PEReference: no name",
608 (const XML_Char *)"PEReference: expecting ';'",
609 (const XML_Char *)"Undeclared entity error",
610 (const XML_Char *)"Undeclared entity warning",
611 (const XML_Char *)"Unparsed Entity",
612 (const XML_Char *)"XML_ERR_ENTITY_IS_EXTERNAL",
613 (const XML_Char *)"XML_ERR_ENTITY_IS_PARAMETER",
614 (const XML_Char *)"Unknown encoding",
615 (const XML_Char *)"Unsupported encoding",
616 (const XML_Char *)"String not started expecting ' or \"",
617 (const XML_Char *)"String not closed expecting \" or '",
618 (const XML_Char *)"Namespace declaration error",
619 (const XML_Char *)"EntityValue: \" or ' expected",
620 (const XML_Char *)"EntityValue: \" or ' expected",
621 (const XML_Char *)"< in attribute",
622 (const XML_Char *)"Attribute not started",
623 (const XML_Char *)"Attribute not finished",
624 (const XML_Char *)"Attribute without value",
625 (const XML_Char *)"Attribute redefined",
626 (const XML_Char *)"SystemLiteral \" or ' expected",
627 (const XML_Char *)"SystemLiteral \" or ' expected",
628 /* (const XML_Char *)"XML_ERR_COMMENT_NOT_STARTED", <= eliminated on purpose */
629 (const XML_Char *)"Comment not finished",
630 (const XML_Char *)"Processing Instruction not started",
631 (const XML_Char *)"Processing Instruction not finished",
632 (const XML_Char *)"NOTATION: Name expected here",
633 (const XML_Char *)"'>' required to close NOTATION declaration",
634 (const XML_Char *)"'(' required to start ATTLIST enumeration",
635 (const XML_Char *)"'(' required to start ATTLIST enumeration",
636 (const XML_Char *)"MixedContentDecl : '|' or ')*' expected",
637 (const XML_Char *)"XML_ERR_MIXED_NOT_FINISHED",
638 (const XML_Char *)"ELEMENT in DTD not started",
639 (const XML_Char *)"ELEMENT in DTD not finished",
640 (const XML_Char *)"XML declaration not started",
641 (const XML_Char *)"XML declaration not finished",
642 (const XML_Char *)"XML_ERR_CONDSEC_NOT_STARTED",
643 (const XML_Char *)"XML conditional section not closed",
644 (const XML_Char *)"Content error in the external subset",
645 (const XML_Char *)"DOCTYPE not finished",
646 (const XML_Char *)"Sequence ']]>' not allowed in content",
647 (const XML_Char *)"CDATA not finished",
648 (const XML_Char *)"Reserved XML Name",
649 (const XML_Char *)"Space required",
650 (const XML_Char *)"XML_ERR_SEPARATOR_REQUIRED",
651 (const XML_Char *)"NmToken expected in ATTLIST enumeration",
652 (const XML_Char *)"XML_ERR_NAME_REQUIRED",
653 (const XML_Char *)"MixedContentDecl : '#PCDATA' expected",
654 (const XML_Char *)"SYSTEM or PUBLIC, the URI is missing",
655 (const XML_Char *)"PUBLIC, the Public Identifier is missing",
656 (const XML_Char *)"< required",
657 (const XML_Char *)"> required",
658 (const XML_Char *)"</ required",
659 (const XML_Char *)"= required",
660 (const XML_Char *)"Mismatched tag",
661 (const XML_Char *)"Tag not finished",
662 (const XML_Char *)"standalone accepts only 'yes' or 'no'",
663 (const XML_Char *)"Invalid XML encoding name",
664 (const XML_Char *)"Comment must not contain '--' (double-hyphen)",
665 (const XML_Char *)"Invalid encoding",
666 (const XML_Char *)"external parsed entities cannot be standalone",
667 (const XML_Char *)"XML conditional section '[' expected",
668 (const XML_Char *)"Entity value required",
669 (const XML_Char *)"chunk is not well balanced",
670 (const XML_Char *)"extra content at the end of well balanced chunk",
671 (const XML_Char *)"XML_ERR_ENTITY_CHAR_ERROR",
672 (const XML_Char *)"PEReferences forbidden in internal subset",
673 (const XML_Char *)"Detected an entity reference loop",
674 (const XML_Char *)"XML_ERR_ENTITY_BOUNDARY",
675 (const XML_Char *)"Invalid URI",
676 (const XML_Char *)"Fragment not allowed",
677 (const XML_Char *)"XML_WAR_CATALOG_PI",
678 (const XML_Char *)"XML_ERR_NO_DTD",
679 (const XML_Char *)"conditional section INCLUDE or IGNORE keyword expected", /* 95 */
680 (const XML_Char *)"Version in XML Declaration missing", /* 96 */
681 (const XML_Char *)"XML_WAR_UNKNOWN_VERSION", /* 97 */
682 (const XML_Char *)"XML_WAR_LANG_VALUE", /* 98 */
683 (const XML_Char *)"XML_WAR_NS_URI", /* 99 */
684 (const XML_Char *)"XML_WAR_NS_URI_RELATIVE", /* 100 */
685 (const XML_Char *)"Missing encoding in text declaration" /* 101 */
686 };
687
688 PHP_XML_API const XML_Char *
XML_ErrorString(int code)689 XML_ErrorString(int code)
690 {
691 if (code < 0 || code >= (int)(sizeof(error_mapping) / sizeof(error_mapping[0]))) {
692 return (const XML_Char *) "Unknown";
693 }
694 return error_mapping[code];
695 }
696
697 PHP_XML_API int
XML_GetCurrentLineNumber(XML_Parser parser)698 XML_GetCurrentLineNumber(XML_Parser parser)
699 {
700 return parser->parser->input->line;
701 }
702
703 PHP_XML_API int
XML_GetCurrentColumnNumber(XML_Parser parser)704 XML_GetCurrentColumnNumber(XML_Parser parser)
705 {
706 return parser->parser->input->col;
707 }
708
709 PHP_XML_API int
XML_GetCurrentByteIndex(XML_Parser parser)710 XML_GetCurrentByteIndex(XML_Parser parser)
711 {
712 /* We have to temporarily disable the encoder to satisfy the note from the manual:
713 * "This function returns byte index according to UTF-8 encoded text disregarding if input is in another encoding."
714 * Although that should probably be corrected at one point? (TODO) */
715 xmlCharEncodingHandlerPtr encoder = NULL;
716 xmlParserInputPtr input = parser->parser->input;
717 if (input->buf) {
718 encoder = input->buf->encoder;
719 input->buf->encoder = NULL;
720 }
721 long result = xmlByteConsumed(parser->parser);
722 if (encoder) {
723 input->buf->encoder = encoder;
724 }
725 /* TODO: at one point this should return long probably to make sure that files greater than 2 GiB are handled correctly. */
726 return (int) result;
727 }
728
729 PHP_XML_API int
XML_GetCurrentByteCount(XML_Parser parser)730 XML_GetCurrentByteCount(XML_Parser parser)
731 {
732 /* WARNING: this is identical to ByteIndex; it should probably
733 * be different */
734 return XML_GetCurrentByteIndex(parser);
735 }
736
XML_ExpatVersion(void)737 PHP_XML_API const XML_Char *XML_ExpatVersion(void)
738 {
739 return (const XML_Char *) "1.0";
740 }
741
742 PHP_XML_API void
XML_ParserFree(XML_Parser parser)743 XML_ParserFree(XML_Parser parser)
744 {
745 if (parser->use_namespace) {
746 if (parser->_ns_separator) {
747 xmlFree(parser->_ns_separator);
748 }
749 }
750 if (parser->parser->myDoc) {
751 xmlFreeDoc(parser->parser->myDoc);
752 parser->parser->myDoc = NULL;
753 }
754 xmlFreeParserCtxt(parser->parser);
755 efree(parser);
756 }
757
758 #endif /* LIBXML_EXPAT_COMPAT */
759 #endif
760
