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| 1 /** | |
| 2 * catalog.c: set of generic Catalog related routines | |
| 3 * | |
| 4 * Reference: SGML Open Technical Resolution TR9401:1997. | |
| 5 * http://www.jclark.com/sp/catalog.htm | |
| 6 * | |
| 7 * XML Catalogs Working Draft 06 August 2001 | |
| 8 * http://www.oasis-open.org/committees/entity/spec-2001-08-06.html | |
| 9 * | |
| 10 * See Copyright for the status of this software. | |
| 11 * | |
| 12 * Daniel.Veillard@imag.fr | |
| 13 */ | |
| 14 | |
| 15 #define IN_LIBXML | |
| 16 #include "libxml.h" | |
| 17 | |
| 18 #ifdef LIBXML_CATALOG_ENABLED | |
| 19 #ifdef HAVE_SYS_TYPES_H | |
| 20 #include <sys/types.h> | |
| 21 #endif | |
| 22 #ifdef HAVE_SYS_STAT_H | |
| 23 #include <sys/stat.h> | |
| 24 #endif | |
| 25 #ifdef HAVE_UNISTD_H | |
| 26 #include <unistd.h> | |
| 27 #endif | |
| 28 #ifdef HAVE_FCNTL_H | |
| 29 #include <fcntl.h> | |
| 30 #endif | |
| 31 #ifdef HAVE_STDLIB_H | |
| 32 #include <stdlib.h> | |
| 33 #endif | |
| 34 #include <string.h> | |
| 35 #include <libxml/xmlmemory.h> | |
| 36 #include <libxml/hash.h> | |
| 37 #include <libxml/uri.h> | |
| 38 #include <libxml/parserInternals.h> | |
| 39 #include <libxml/catalog.h> | |
| 40 #include <libxml/xmlerror.h> | |
| 41 #include <libxml/threads.h> | |
| 42 #include <libxml/globals.h> | |
| 43 | |
| 44 #include "buf.h" | |
| 45 | |
| 46 #define MAX_DELEGATE 50 | |
| 47 #define MAX_CATAL_DEPTH 50 | |
| 48 | |
| 49 #ifdef _WIN32 | |
| 50 # define PATH_SEPARATOR ';' | |
| 51 #else | |
| 52 # define PATH_SEPARATOR ':' | |
| 53 #endif | |
| 54 | |
| 55 /** | |
| 56 * TODO: | |
| 57 * | |
| 58 * macro to flag unimplemented blocks | |
| 59 * XML_CATALOG_PREFER user env to select between system/public prefered | |
| 60 * option. C.f. Richard Tobin <richard@cogsci.ed.ac.uk> | |
| 61 *> Just FYI, I am using an environment variable XML_CATALOG_PREFER with | |
| 62 *> values "system" and "public". I have made the default be "system" to | |
| 63 *> match yours. | |
| 64 */ | |
| 65 #define TODO \ | |
| 66 xmlGenericError(xmlGenericErrorContext, \ | |
| 67 "Unimplemented block at %s:%d\n", \ | |
| 68 __FILE__, __LINE__); | |
| 69 | |
| 70 #define XML_URN_PUBID "urn:publicid:" | |
| 71 #define XML_CATAL_BREAK ((xmlChar *) -1) | |
| 72 #ifndef XML_XML_DEFAULT_CATALOG | |
| 73 #define XML_XML_DEFAULT_CATALOG "file:///etc/xml/catalog" | |
| 74 #endif | |
| 75 #ifndef XML_SGML_DEFAULT_CATALOG | |
| 76 #define XML_SGML_DEFAULT_CATALOG "file:///etc/sgml/catalog" | |
| 77 #endif | |
| 78 | |
| 79 #if defined(_WIN32) && defined(_MSC_VER) | |
| 80 #undef XML_XML_DEFAULT_CATALOG | |
| 81 static char XML_XML_DEFAULT_CATALOG[256] = "file:///etc/xml/catalog"; | |
| 82 #if defined(_WIN32_WCE) | |
| 83 /* Windows CE don't have a A variant */ | |
| 84 #define GetModuleHandleA GetModuleHandle | |
| 85 #define GetModuleFileNameA GetModuleFileName | |
| 86 #else | |
| 87 #if !defined(_WINDOWS_) | |
| 88 void* __stdcall GetModuleHandleA(const char*); | |
| 89 unsigned long __stdcall GetModuleFileNameA(void*, char*, unsigned long); | |
| 90 #endif | |
| 91 #endif | |
| 92 #endif | |
| 93 | |
| 94 static xmlChar *xmlCatalogNormalizePublic(const xmlChar *pubID); | |
| 95 static int xmlExpandCatalog(xmlCatalogPtr catal, const char *filename); | |
| 96 | |
| 97 /************************************************************************ | |
| 98 * * | |
| 99 * Types, all private * | |
| 100 * * | |
| 101 ************************************************************************/ | |
| 102 | |
| 103 typedef enum { | |
| 104 XML_CATA_REMOVED = -1, | |
| 105 XML_CATA_NONE = 0, | |
| 106 XML_CATA_CATALOG, | |
| 107 XML_CATA_BROKEN_CATALOG, | |
| 108 XML_CATA_NEXT_CATALOG, | |
| 109 XML_CATA_GROUP, | |
| 110 XML_CATA_PUBLIC, | |
| 111 XML_CATA_SYSTEM, | |
| 112 XML_CATA_REWRITE_SYSTEM, | |
| 113 XML_CATA_DELEGATE_PUBLIC, | |
| 114 XML_CATA_DELEGATE_SYSTEM, | |
| 115 XML_CATA_URI, | |
| 116 XML_CATA_REWRITE_URI, | |
| 117 XML_CATA_DELEGATE_URI, | |
| 118 SGML_CATA_SYSTEM, | |
| 119 SGML_CATA_PUBLIC, | |
| 120 SGML_CATA_ENTITY, | |
| 121 SGML_CATA_PENTITY, | |
| 122 SGML_CATA_DOCTYPE, | |
| 123 SGML_CATA_LINKTYPE, | |
| 124 SGML_CATA_NOTATION, | |
| 125 SGML_CATA_DELEGATE, | |
| 126 SGML_CATA_BASE, | |
| 127 SGML_CATA_CATALOG, | |
| 128 SGML_CATA_DOCUMENT, | |
| 129 SGML_CATA_SGMLDECL | |
| 130 } xmlCatalogEntryType; | |
| 131 | |
| 132 typedef struct _xmlCatalogEntry xmlCatalogEntry; | |
| 133 typedef xmlCatalogEntry *xmlCatalogEntryPtr; | |
| 134 struct _xmlCatalogEntry { | |
| 135 struct _xmlCatalogEntry *next; | |
| 136 struct _xmlCatalogEntry *parent; | |
| 137 struct _xmlCatalogEntry *children; | |
| 138 xmlCatalogEntryType type; | |
| 139 xmlChar *name; | |
| 140 xmlChar *value; | |
| 141 xmlChar *URL; /* The expanded URL using the base */ | |
| 142 xmlCatalogPrefer prefer; | |
| 143 int dealloc; | |
| 144 int depth; | |
| 145 struct _xmlCatalogEntry *group; | |
| 146 }; | |
| 147 | |
| 148 typedef enum { | |
| 149 XML_XML_CATALOG_TYPE = 1, | |
| 150 XML_SGML_CATALOG_TYPE | |
| 151 } xmlCatalogType; | |
| 152 | |
| 153 #define XML_MAX_SGML_CATA_DEPTH 10 | |
| 154 struct _xmlCatalog { | |
| 155 xmlCatalogType type; /* either XML or SGML */ | |
| 156 | |
| 157 /* | |
| 158 * SGML Catalogs are stored as a simple hash table of catalog entries | |
| 159 * Catalog stack to check against overflows when building the | |
| 160 * SGML catalog | |
| 161 */ | |
| 162 char *catalTab[XML_MAX_SGML_CATA_DEPTH]; /* stack of catals */ | |
| 163 int catalNr; /* Number of current catal streams */ | |
| 164 int catalMax; /* Max number of catal streams */ | |
| 165 xmlHashTablePtr sgml; | |
| 166 | |
| 167 /* | |
| 168 * XML Catalogs are stored as a tree of Catalog entries | |
| 169 */ | |
| 170 xmlCatalogPrefer prefer; | |
| 171 xmlCatalogEntryPtr xml; | |
| 172 }; | |
| 173 | |
| 174 /************************************************************************ | |
| 175 * * | |
| 176 * Global variables * | |
| 177 * * | |
| 178 ************************************************************************/ | |
| 179 | |
| 180 /* | |
| 181 * Those are preferences | |
| 182 */ | |
| 183 static int xmlDebugCatalogs = 0; /* used for debugging */ | |
| 184 static xmlCatalogAllow xmlCatalogDefaultAllow = XML_CATA_ALLOW_ALL; | |
| 185 static xmlCatalogPrefer xmlCatalogDefaultPrefer = XML_CATA_PREFER_PUBLIC; | |
| 186 | |
| 187 /* | |
| 188 * Hash table containing all the trees of XML catalogs parsed by | |
| 189 * the application. | |
| 190 */ | |
| 191 static xmlHashTablePtr xmlCatalogXMLFiles = NULL; | |
| 192 | |
| 193 /* | |
| 194 * The default catalog in use by the application | |
| 195 */ | |
| 196 static xmlCatalogPtr xmlDefaultCatalog = NULL; | |
| 197 | |
| 198 /* | |
| 199 * A mutex for modifying the shared global catalog(s) | |
| 200 * xmlDefaultCatalog tree. | |
| 201 * It also protects xmlCatalogXMLFiles | |
| 202 * The core of this readers/writer scheme is in xmlFetchXMLCatalogFile() | |
| 203 */ | |
| 204 static xmlRMutexPtr xmlCatalogMutex = NULL; | |
| 205 | |
| 206 /* | |
| 207 * Whether the catalog support was initialized. | |
| 208 */ | |
| 209 static int xmlCatalogInitialized = 0; | |
| 210 | |
| 211 /************************************************************************ | |
| 212 * * | |
| 213 * Catalog error handlers * | |
| 214 * * | |
| 215 ************************************************************************/ | |
| 216 | |
| 217 /** | |
| 218 * xmlCatalogErrMemory: | |
| 219 * @extra: extra informations | |
| 220 * | |
| 221 * Handle an out of memory condition | |
| 222 */ | |
| 223 static void | |
| 224 xmlCatalogErrMemory(const char *extra) | |
| 225 { | |
| 226 __xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_CATALOG, | |
| 227 XML_ERR_NO_MEMORY, XML_ERR_ERROR, NULL, 0, | |
| 228 extra, NULL, NULL, 0, 0, | |
| 229 "Memory allocation failed : %s\n", extra); | |
| 230 } | |
| 231 | |
| 232 /** | |
| 233 * xmlCatalogErr: | |
| 234 * @catal: the Catalog entry | |
| 235 * @node: the context node | |
| 236 * @msg: the error message | |
| 237 * @extra: extra informations | |
| 238 * | |
| 239 * Handle a catalog error | |
| 240 */ | |
| 241 static void LIBXML_ATTR_FORMAT(4,0) | |
| 242 xmlCatalogErr(xmlCatalogEntryPtr catal, xmlNodePtr node, int error, | |
| 243 const char *msg, const xmlChar *str1, const xmlChar *str2, | |
| 244 const xmlChar *str3) | |
| 245 { | |
| 246 __xmlRaiseError(NULL, NULL, NULL, catal, node, XML_FROM_CATALOG, | |
| 247 error, XML_ERR_ERROR, NULL, 0, | |
| 248 (const char *) str1, (const char *) str2, | |
| 249 (const char *) str3, 0, 0, | |
| 250 msg, str1, str2, str3); | |
| 251 } | |
| 252 | |
| 253 | |
| 254 /************************************************************************ | |
| 255 * * | |
| 256 * Allocation and Freeing * | |
| 257 * * | |
| 258 ************************************************************************/ | |
| 259 | |
| 260 /** | |
| 261 * xmlNewCatalogEntry: | |
| 262 * @type: type of entry | |
| 263 * @name: name of the entry | |
| 264 * @value: value of the entry | |
| 265 * @prefer: the PUBLIC vs. SYSTEM current preference value | |
| 266 * @group: for members of a group, the group entry | |
| 267 * | |
| 268 * create a new Catalog entry, this type is shared both by XML and | |
| 269 * SGML catalogs, but the acceptable types values differs. | |
| 270 * | |
| 271 * Returns the xmlCatalogEntryPtr or NULL in case of error | |
| 272 */ | |
| 273 static xmlCatalogEntryPtr | |
| 274 xmlNewCatalogEntry(xmlCatalogEntryType type, const xmlChar *name, | |
| 275 const xmlChar *value, const xmlChar *URL, xmlCatalogPrefer prefer, | |
| 276 xmlCatalogEntryPtr group) { | |
| 277 xmlCatalogEntryPtr ret; | |
| 278 xmlChar *normid = NULL; | |
| 279 | |
| 280 ret = (xmlCatalogEntryPtr) xmlMalloc(sizeof(xmlCatalogEntry)); | |
| 281 if (ret == NULL) { | |
| 282 xmlCatalogErrMemory("allocating catalog entry"); | |
| 283 return(NULL); | |
| 284 } | |
| 285 ret->next = NULL; | |
| 286 ret->parent = NULL; | |
| 287 ret->children = NULL; | |
| 288 ret->type = type; | |
| 289 if (type == XML_CATA_PUBLIC || type == XML_CATA_DELEGATE_PUBLIC) { | |
| 290 normid = xmlCatalogNormalizePublic(name); | |
| 291 if (normid != NULL) | |
| 292 name = (*normid != 0 ? normid : NULL); | |
| 293 } | |
| 294 if (name != NULL) | |
| 295 ret->name = xmlStrdup(name); | |
| 296 else | |
| 297 ret->name = NULL; | |
| 298 if (normid != NULL) | |
| 299 xmlFree(normid); | |
| 300 if (value != NULL) | |
| 301 ret->value = xmlStrdup(value); | |
| 302 else | |
| 303 ret->value = NULL; | |
| 304 if (URL == NULL) | |
| 305 URL = value; | |
| 306 if (URL != NULL) | |
| 307 ret->URL = xmlStrdup(URL); | |
| 308 else | |
| 309 ret->URL = NULL; | |
| 310 ret->prefer = prefer; | |
| 311 ret->dealloc = 0; | |
| 312 ret->depth = 0; | |
| 313 ret->group = group; | |
| 314 return(ret); | |
| 315 } | |
| 316 | |
| 317 static void | |
| 318 xmlFreeCatalogEntryList(xmlCatalogEntryPtr ret); | |
| 319 | |
| 320 /** | |
| 321 * xmlFreeCatalogEntry: | |
| 322 * @ret: a Catalog entry | |
| 323 * | |
| 324 * Free the memory allocated to a Catalog entry | |
| 325 */ | |
| 326 static void | |
| 327 xmlFreeCatalogEntry(xmlCatalogEntryPtr ret) { | |
| 328 if (ret == NULL) | |
| 329 return; | |
| 330 /* | |
| 331 * Entries stored in the file hash must be deallocated | |
| 332 * only by the file hash cleaner ! | |
| 333 */ | |
| 334 if (ret->dealloc == 1) | |
| 335 return; | |
| 336 | |
| 337 if (xmlDebugCatalogs) { | |
| 338 if (ret->name != NULL) | |
| 339 xmlGenericError(xmlGenericErrorContext, | |
| 340 "Free catalog entry %s\n", ret->name); | |
| 341 else if (ret->value != NULL) | |
| 342 xmlGenericError(xmlGenericErrorContext, | |
| 343 "Free catalog entry %s\n", ret->value); | |
| 344 else | |
| 345 xmlGenericError(xmlGenericErrorContext, | |
| 346 "Free catalog entry\n"); | |
| 347 } | |
| 348 | |
| 349 if (ret->name != NULL) | |
| 350 xmlFree(ret->name); | |
| 351 if (ret->value != NULL) | |
| 352 xmlFree(ret->value); | |
| 353 if (ret->URL != NULL) | |
| 354 xmlFree(ret->URL); | |
| 355 xmlFree(ret); | |
| 356 } | |
| 357 | |
| 358 /** | |
| 359 * xmlFreeCatalogEntryList: | |
| 360 * @ret: a Catalog entry list | |
| 361 * | |
| 362 * Free the memory allocated to a full chained list of Catalog entries | |
| 363 */ | |
| 364 static void | |
| 365 xmlFreeCatalogEntryList(xmlCatalogEntryPtr ret) { | |
| 366 xmlCatalogEntryPtr next; | |
| 367 | |
| 368 while (ret != NULL) { | |
| 369 next = ret->next; | |
| 370 xmlFreeCatalogEntry(ret); | |
| 371 ret = next; | |
| 372 } | |
| 373 } | |
| 374 | |
| 375 /** | |
| 376 * xmlFreeCatalogHashEntryList: | |
| 377 * @ret: a Catalog entry list | |
| 378 * | |
| 379 * Free the memory allocated to list of Catalog entries from the | |
| 380 * catalog file hash. | |
| 381 */ | |
| 382 static void | |
| 383 xmlFreeCatalogHashEntryList(xmlCatalogEntryPtr catal) { | |
| 384 xmlCatalogEntryPtr children, next; | |
| 385 | |
| 386 if (catal == NULL) | |
| 387 return; | |
| 388 | |
| 389 children = catal->children; | |
| 390 while (children != NULL) { | |
| 391 next = children->next; | |
| 392 children->dealloc = 0; | |
| 393 children->children = NULL; | |
| 394 xmlFreeCatalogEntry(children); | |
| 395 children = next; | |
| 396 } | |
| 397 catal->dealloc = 0; | |
| 398 xmlFreeCatalogEntry(catal); | |
| 399 } | |
| 400 | |
| 401 /** | |
| 402 * xmlCreateNewCatalog: | |
| 403 * @type: type of catalog | |
| 404 * @prefer: the PUBLIC vs. SYSTEM current preference value | |
| 405 * | |
| 406 * create a new Catalog, this type is shared both by XML and | |
| 407 * SGML catalogs, but the acceptable types values differs. | |
| 408 * | |
| 409 * Returns the xmlCatalogPtr or NULL in case of error | |
| 410 */ | |
| 411 static xmlCatalogPtr | |
| 412 xmlCreateNewCatalog(xmlCatalogType type, xmlCatalogPrefer prefer) { | |
| 413 xmlCatalogPtr ret; | |
| 414 | |
| 415 ret = (xmlCatalogPtr) xmlMalloc(sizeof(xmlCatalog)); | |
| 416 if (ret == NULL) { | |
| 417 xmlCatalogErrMemory("allocating catalog"); | |
| 418 return(NULL); | |
| 419 } | |
| 420 memset(ret, 0, sizeof(xmlCatalog)); | |
| 421 ret->type = type; | |
| 422 ret->catalNr = 0; | |
| 423 ret->catalMax = XML_MAX_SGML_CATA_DEPTH; | |
| 424 ret->prefer = prefer; | |
| 425 if (ret->type == XML_SGML_CATALOG_TYPE) | |
| 426 ret->sgml = xmlHashCreate(10); | |
| 427 return(ret); | |
| 428 } | |
| 429 | |
| 430 /** | |
| 431 * xmlFreeCatalog: | |
| 432 * @catal: a Catalog | |
| 433 * | |
| 434 * Free the memory allocated to a Catalog | |
| 435 */ | |
| 436 void | |
| 437 xmlFreeCatalog(xmlCatalogPtr catal) { | |
| 438 if (catal == NULL) | |
| 439 return; | |
| 440 if (catal->xml != NULL) | |
| 441 xmlFreeCatalogEntryList(catal->xml); | |
| 442 if (catal->sgml != NULL) | |
| 443 xmlHashFree(catal->sgml, | |
| 444 (xmlHashDeallocator) xmlFreeCatalogEntry); | |
| 445 xmlFree(catal); | |
| 446 } | |
| 447 | |
| 448 /************************************************************************ | |
| 449 * * | |
| 450 * Serializing Catalogs * | |
| 451 * * | |
| 452 ************************************************************************/ | |
| 453 | |
| 454 #ifdef LIBXML_OUTPUT_ENABLED | |
| 455 /** | |
| 456 * xmlCatalogDumpEntry: | |
| 457 * @entry: the catalog entry | |
| 458 * @out: the file. | |
| 459 * | |
| 460 * Serialize an SGML Catalog entry | |
| 461 */ | |
| 462 static void | |
| 463 xmlCatalogDumpEntry(xmlCatalogEntryPtr entry, FILE *out) { | |
| 464 if ((entry == NULL) || (out == NULL)) | |
| 465 return; | |
| 466 switch (entry->type) { | |
| 467 case SGML_CATA_ENTITY: | |
| 468 fprintf(out, "ENTITY "); break; | |
| 469 case SGML_CATA_PENTITY: | |
| 470 fprintf(out, "ENTITY %%"); break; | |
| 471 case SGML_CATA_DOCTYPE: | |
| 472 fprintf(out, "DOCTYPE "); break; | |
| 473 case SGML_CATA_LINKTYPE: | |
| 474 fprintf(out, "LINKTYPE "); break; | |
| 475 case SGML_CATA_NOTATION: | |
| 476 fprintf(out, "NOTATION "); break; | |
| 477 case SGML_CATA_PUBLIC: | |
| 478 fprintf(out, "PUBLIC "); break; | |
| 479 case SGML_CATA_SYSTEM: | |
| 480 fprintf(out, "SYSTEM "); break; | |
| 481 case SGML_CATA_DELEGATE: | |
| 482 fprintf(out, "DELEGATE "); break; | |
| 483 case SGML_CATA_BASE: | |
| 484 fprintf(out, "BASE "); break; | |
| 485 case SGML_CATA_CATALOG: | |
| 486 fprintf(out, "CATALOG "); break; | |
| 487 case SGML_CATA_DOCUMENT: | |
| 488 fprintf(out, "DOCUMENT "); break; | |
| 489 case SGML_CATA_SGMLDECL: | |
| 490 fprintf(out, "SGMLDECL "); break; | |
| 491 default: | |
| 492 return; | |
| 493 } | |
| 494 switch (entry->type) { | |
| 495 case SGML_CATA_ENTITY: | |
| 496 case SGML_CATA_PENTITY: | |
| 497 case SGML_CATA_DOCTYPE: | |
| 498 case SGML_CATA_LINKTYPE: | |
| 499 case SGML_CATA_NOTATION: | |
| 500 fprintf(out, "%s", (const char *) entry->name); break; | |
| 501 case SGML_CATA_PUBLIC: | |
| 502 case SGML_CATA_SYSTEM: | |
| 503 case SGML_CATA_SGMLDECL: | |
| 504 case SGML_CATA_DOCUMENT: | |
| 505 case SGML_CATA_CATALOG: | |
| 506 case SGML_CATA_BASE: | |
| 507 case SGML_CATA_DELEGATE: | |
| 508 fprintf(out, "\"%s\"", entry->name); break; | |
| 509 default: | |
| 510 break; | |
| 511 } | |
| 512 switch (entry->type) { | |
| 513 case SGML_CATA_ENTITY: | |
| 514 case SGML_CATA_PENTITY: | |
| 515 case SGML_CATA_DOCTYPE: | |
| 516 case SGML_CATA_LINKTYPE: | |
| 517 case SGML_CATA_NOTATION: | |
| 518 case SGML_CATA_PUBLIC: | |
| 519 case SGML_CATA_SYSTEM: | |
| 520 case SGML_CATA_DELEGATE: | |
| 521 fprintf(out, " \"%s\"", entry->value); break; | |
| 522 default: | |
| 523 break; | |
| 524 } | |
| 525 fprintf(out, "\n"); | |
| 526 } | |
| 527 | |
| 528 /** | |
| 529 * xmlDumpXMLCatalogNode: | |
| 530 * @catal: top catalog entry | |
| 531 * @catalog: pointer to the xml tree | |
| 532 * @doc: the containing document | |
| 533 * @ns: the current namespace | |
| 534 * @cgroup: group node for group members | |
| 535 * | |
| 536 * Serializes a Catalog entry, called by xmlDumpXMLCatalog and recursively | |
| 537 * for group entries | |
| 538 */ | |
| 539 static void xmlDumpXMLCatalogNode(xmlCatalogEntryPtr catal, xmlNodePtr catalog, | |
| 540 xmlDocPtr doc, xmlNsPtr ns, xmlCatalogEntryPtr cgroup) { | |
| 541 xmlNodePtr node; | |
| 542 xmlCatalogEntryPtr cur; | |
| 543 /* | |
| 544 * add all the catalog entries | |
| 545 */ | |
| 546 cur = catal; | |
| 547 while (cur != NULL) { | |
| 548 if (cur->group == cgroup) { | |
| 549 switch (cur->type) { | |
| 550 case XML_CATA_REMOVED: | |
| 551 break; | |
| 552 case XML_CATA_BROKEN_CATALOG: | |
| 553 case XML_CATA_CATALOG: | |
| 554 if (cur == catal) { | |
| 555 cur = cur->children; | |
| 556 continue; | |
| 557 } | |
| 558 break; | |
| 559 case XML_CATA_NEXT_CATALOG: | |
| 560 node = xmlNewDocNode(doc, ns, BAD_CAST "nextCatalog", NULL); | |
| 561 xmlSetProp(node, BAD_CAST "catalog", cur->value); | |
| 562 xmlAddChild(catalog, node); | |
| 563 break; | |
| 564 case XML_CATA_NONE: | |
| 565 break; | |
| 566 case XML_CATA_GROUP: | |
| 567 node = xmlNewDocNode(doc, ns, BAD_CAST "group", NULL); | |
| 568 xmlSetProp(node, BAD_CAST "id", cur->name); | |
| 569 if (cur->value != NULL) { | |
| 570 xmlNsPtr xns; | |
| 571 xns = xmlSearchNsByHref(doc, node, XML_XML_NAMESPACE); | |
| 572 if (xns != NULL) | |
| 573 xmlSetNsProp(node, xns, BAD_CAST "base", | |
| 574 cur->value); | |
| 575 } | |
| 576 switch (cur->prefer) { | |
| 577 case XML_CATA_PREFER_NONE: | |
| 578 break; | |
| 579 case XML_CATA_PREFER_PUBLIC: | |
| 580 xmlSetProp(node, BAD_CAST "prefer", BAD_CAST "public
"); | |
| 581 break; | |
| 582 case XML_CATA_PREFER_SYSTEM: | |
| 583 xmlSetProp(node, BAD_CAST "prefer", BAD_CAST "system
"); | |
| 584 break; | |
| 585 } | |
| 586 xmlDumpXMLCatalogNode(cur->next, node, doc, ns, cur); | |
| 587 xmlAddChild(catalog, node); | |
| 588 break; | |
| 589 case XML_CATA_PUBLIC: | |
| 590 node = xmlNewDocNode(doc, ns, BAD_CAST "public", NULL); | |
| 591 xmlSetProp(node, BAD_CAST "publicId", cur->name); | |
| 592 xmlSetProp(node, BAD_CAST "uri", cur->value); | |
| 593 xmlAddChild(catalog, node); | |
| 594 break; | |
| 595 case XML_CATA_SYSTEM: | |
| 596 node = xmlNewDocNode(doc, ns, BAD_CAST "system", NULL); | |
| 597 xmlSetProp(node, BAD_CAST "systemId", cur->name); | |
| 598 xmlSetProp(node, BAD_CAST "uri", cur->value); | |
| 599 xmlAddChild(catalog, node); | |
| 600 break; | |
| 601 case XML_CATA_REWRITE_SYSTEM: | |
| 602 node = xmlNewDocNode(doc, ns, BAD_CAST "rewriteSystem", NULL
); | |
| 603 xmlSetProp(node, BAD_CAST "systemIdStartString", cur->name); | |
| 604 xmlSetProp(node, BAD_CAST "rewritePrefix", cur->value); | |
| 605 xmlAddChild(catalog, node); | |
| 606 break; | |
| 607 case XML_CATA_DELEGATE_PUBLIC: | |
| 608 node = xmlNewDocNode(doc, ns, BAD_CAST "delegatePublic", NUL
L); | |
| 609 xmlSetProp(node, BAD_CAST "publicIdStartString", cur->name); | |
| 610 xmlSetProp(node, BAD_CAST "catalog", cur->value); | |
| 611 xmlAddChild(catalog, node); | |
| 612 break; | |
| 613 case XML_CATA_DELEGATE_SYSTEM: | |
| 614 node = xmlNewDocNode(doc, ns, BAD_CAST "delegateSystem", NUL
L); | |
| 615 xmlSetProp(node, BAD_CAST "systemIdStartString", cur->name); | |
| 616 xmlSetProp(node, BAD_CAST "catalog", cur->value); | |
| 617 xmlAddChild(catalog, node); | |
| 618 break; | |
| 619 case XML_CATA_URI: | |
| 620 node = xmlNewDocNode(doc, ns, BAD_CAST "uri", NULL); | |
| 621 xmlSetProp(node, BAD_CAST "name", cur->name); | |
| 622 xmlSetProp(node, BAD_CAST "uri", cur->value); | |
| 623 xmlAddChild(catalog, node); | |
| 624 break; | |
| 625 case XML_CATA_REWRITE_URI: | |
| 626 node = xmlNewDocNode(doc, ns, BAD_CAST "rewriteURI", NULL); | |
| 627 xmlSetProp(node, BAD_CAST "uriStartString", cur->name); | |
| 628 xmlSetProp(node, BAD_CAST "rewritePrefix", cur->value); | |
| 629 xmlAddChild(catalog, node); | |
| 630 break; | |
| 631 case XML_CATA_DELEGATE_URI: | |
| 632 node = xmlNewDocNode(doc, ns, BAD_CAST "delegateURI", NULL); | |
| 633 xmlSetProp(node, BAD_CAST "uriStartString", cur->name); | |
| 634 xmlSetProp(node, BAD_CAST "catalog", cur->value); | |
| 635 xmlAddChild(catalog, node); | |
| 636 break; | |
| 637 case SGML_CATA_SYSTEM: | |
| 638 case SGML_CATA_PUBLIC: | |
| 639 case SGML_CATA_ENTITY: | |
| 640 case SGML_CATA_PENTITY: | |
| 641 case SGML_CATA_DOCTYPE: | |
| 642 case SGML_CATA_LINKTYPE: | |
| 643 case SGML_CATA_NOTATION: | |
| 644 case SGML_CATA_DELEGATE: | |
| 645 case SGML_CATA_BASE: | |
| 646 case SGML_CATA_CATALOG: | |
| 647 case SGML_CATA_DOCUMENT: | |
| 648 case SGML_CATA_SGMLDECL: | |
| 649 break; | |
| 650 } | |
| 651 } | |
| 652 cur = cur->next; | |
| 653 } | |
| 654 } | |
| 655 | |
| 656 static int | |
| 657 xmlDumpXMLCatalog(FILE *out, xmlCatalogEntryPtr catal) { | |
| 658 int ret; | |
| 659 xmlDocPtr doc; | |
| 660 xmlNsPtr ns; | |
| 661 xmlDtdPtr dtd; | |
| 662 xmlNodePtr catalog; | |
| 663 xmlOutputBufferPtr buf; | |
| 664 | |
| 665 /* | |
| 666 * Rebuild a catalog | |
| 667 */ | |
| 668 doc = xmlNewDoc(NULL); | |
| 669 if (doc == NULL) | |
| 670 return(-1); | |
| 671 dtd = xmlNewDtd(doc, BAD_CAST "catalog", | |
| 672 BAD_CAST "-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN", | |
| 673 BAD_CAST "http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd"); | |
| 674 | |
| 675 xmlAddChild((xmlNodePtr) doc, (xmlNodePtr) dtd); | |
| 676 | |
| 677 ns = xmlNewNs(NULL, XML_CATALOGS_NAMESPACE, NULL); | |
| 678 if (ns == NULL) { | |
| 679 xmlFreeDoc(doc); | |
| 680 return(-1); | |
| 681 } | |
| 682 catalog = xmlNewDocNode(doc, ns, BAD_CAST "catalog", NULL); | |
| 683 if (catalog == NULL) { | |
| 684 xmlFreeNs(ns); | |
| 685 xmlFreeDoc(doc); | |
| 686 return(-1); | |
| 687 } | |
| 688 catalog->nsDef = ns; | |
| 689 xmlAddChild((xmlNodePtr) doc, catalog); | |
| 690 | |
| 691 xmlDumpXMLCatalogNode(catal, catalog, doc, ns, NULL); | |
| 692 | |
| 693 /* | |
| 694 * reserialize it | |
| 695 */ | |
| 696 buf = xmlOutputBufferCreateFile(out, NULL); | |
| 697 if (buf == NULL) { | |
| 698 xmlFreeDoc(doc); | |
| 699 return(-1); | |
| 700 } | |
| 701 ret = xmlSaveFormatFileTo(buf, doc, NULL, 1); | |
| 702 | |
| 703 /* | |
| 704 * Free it | |
| 705 */ | |
| 706 xmlFreeDoc(doc); | |
| 707 | |
| 708 return(ret); | |
| 709 } | |
| 710 #endif /* LIBXML_OUTPUT_ENABLED */ | |
| 711 | |
| 712 /************************************************************************ | |
| 713 * * | |
| 714 * Converting SGML Catalogs to XML * | |
| 715 * * | |
| 716 ************************************************************************/ | |
| 717 | |
| 718 /** | |
| 719 * xmlCatalogConvertEntry: | |
| 720 * @entry: the entry | |
| 721 * @catal: pointer to the catalog being converted | |
| 722 * | |
| 723 * Convert one entry from the catalog | |
| 724 */ | |
| 725 static void | |
| 726 xmlCatalogConvertEntry(xmlCatalogEntryPtr entry, xmlCatalogPtr catal) { | |
| 727 if ((entry == NULL) || (catal == NULL) || (catal->sgml == NULL) || | |
| 728 (catal->xml == NULL)) | |
| 729 return; | |
| 730 switch (entry->type) { | |
| 731 case SGML_CATA_ENTITY: | |
| 732 entry->type = XML_CATA_PUBLIC; | |
| 733 break; | |
| 734 case SGML_CATA_PENTITY: | |
| 735 entry->type = XML_CATA_PUBLIC; | |
| 736 break; | |
| 737 case SGML_CATA_DOCTYPE: | |
| 738 entry->type = XML_CATA_PUBLIC; | |
| 739 break; | |
| 740 case SGML_CATA_LINKTYPE: | |
| 741 entry->type = XML_CATA_PUBLIC; | |
| 742 break; | |
| 743 case SGML_CATA_NOTATION: | |
| 744 entry->type = XML_CATA_PUBLIC; | |
| 745 break; | |
| 746 case SGML_CATA_PUBLIC: | |
| 747 entry->type = XML_CATA_PUBLIC; | |
| 748 break; | |
| 749 case SGML_CATA_SYSTEM: | |
| 750 entry->type = XML_CATA_SYSTEM; | |
| 751 break; | |
| 752 case SGML_CATA_DELEGATE: | |
| 753 entry->type = XML_CATA_DELEGATE_PUBLIC; | |
| 754 break; | |
| 755 case SGML_CATA_CATALOG: | |
| 756 entry->type = XML_CATA_CATALOG; | |
| 757 break; | |
| 758 default: | |
| 759 xmlHashRemoveEntry(catal->sgml, entry->name, | |
| 760 (xmlHashDeallocator) xmlFreeCatalogEntry); | |
| 761 return; | |
| 762 } | |
| 763 /* | |
| 764 * Conversion successful, remove from the SGML catalog | |
| 765 * and add it to the default XML one | |
| 766 */ | |
| 767 xmlHashRemoveEntry(catal->sgml, entry->name, NULL); | |
| 768 entry->parent = catal->xml; | |
| 769 entry->next = NULL; | |
| 770 if (catal->xml->children == NULL) | |
| 771 catal->xml->children = entry; | |
| 772 else { | |
| 773 xmlCatalogEntryPtr prev; | |
| 774 | |
| 775 prev = catal->xml->children; | |
| 776 while (prev->next != NULL) | |
| 777 prev = prev->next; | |
| 778 prev->next = entry; | |
| 779 } | |
| 780 } | |
| 781 | |
| 782 /** | |
| 783 * xmlConvertSGMLCatalog: | |
| 784 * @catal: the catalog | |
| 785 * | |
| 786 * Convert all the SGML catalog entries as XML ones | |
| 787 * | |
| 788 * Returns the number of entries converted if successful, -1 otherwise | |
| 789 */ | |
| 790 int | |
| 791 xmlConvertSGMLCatalog(xmlCatalogPtr catal) { | |
| 792 | |
| 793 if ((catal == NULL) || (catal->type != XML_SGML_CATALOG_TYPE)) | |
| 794 return(-1); | |
| 795 | |
| 796 if (xmlDebugCatalogs) { | |
| 797 xmlGenericError(xmlGenericErrorContext, | |
| 798 "Converting SGML catalog to XML\n"); | |
| 799 } | |
| 800 xmlHashScan(catal->sgml, | |
| 801 (xmlHashScanner) xmlCatalogConvertEntry, | |
| 802 &catal); | |
| 803 return(0); | |
| 804 } | |
| 805 | |
| 806 /************************************************************************ | |
| 807 * * | |
| 808 * Helper function * | |
| 809 * * | |
| 810 ************************************************************************/ | |
| 811 | |
| 812 /** | |
| 813 * xmlCatalogUnWrapURN: | |
| 814 * @urn: an "urn:publicid:" to unwrap | |
| 815 * | |
| 816 * Expand the URN into the equivalent Public Identifier | |
| 817 * | |
| 818 * Returns the new identifier or NULL, the string must be deallocated | |
| 819 * by the caller. | |
| 820 */ | |
| 821 static xmlChar * | |
| 822 xmlCatalogUnWrapURN(const xmlChar *urn) { | |
| 823 xmlChar result[2000]; | |
| 824 unsigned int i = 0; | |
| 825 | |
| 826 if (xmlStrncmp(urn, BAD_CAST XML_URN_PUBID, sizeof(XML_URN_PUBID) - 1)) | |
| 827 return(NULL); | |
| 828 urn += sizeof(XML_URN_PUBID) - 1; | |
| 829 | |
| 830 while (*urn != 0) { | |
| 831 if (i > sizeof(result) - 4) | |
| 832 break; | |
| 833 if (*urn == '+') { | |
| 834 result[i++] = ' '; | |
| 835 urn++; | |
| 836 } else if (*urn == ':') { | |
| 837 result[i++] = '/'; | |
| 838 result[i++] = '/'; | |
| 839 urn++; | |
| 840 } else if (*urn == ';') { | |
| 841 result[i++] = ':'; | |
| 842 result[i++] = ':'; | |
| 843 urn++; | |
| 844 } else if (*urn == '%') { | |
| 845 if ((urn[1] == '2') && (urn[2] == 'B')) | |
| 846 result[i++] = '+'; | |
| 847 else if ((urn[1] == '3') && (urn[2] == 'A')) | |
| 848 result[i++] = ':'; | |
| 849 else if ((urn[1] == '2') && (urn[2] == 'F')) | |
| 850 result[i++] = '/'; | |
| 851 else if ((urn[1] == '3') && (urn[2] == 'B')) | |
| 852 result[i++] = ';'; | |
| 853 else if ((urn[1] == '2') && (urn[2] == '7')) | |
| 854 result[i++] = '\''; | |
| 855 else if ((urn[1] == '3') && (urn[2] == 'F')) | |
| 856 result[i++] = '?'; | |
| 857 else if ((urn[1] == '2') && (urn[2] == '3')) | |
| 858 result[i++] = '#'; | |
| 859 else if ((urn[1] == '2') && (urn[2] == '5')) | |
| 860 result[i++] = '%'; | |
| 861 else { | |
| 862 result[i++] = *urn; | |
| 863 urn++; | |
| 864 continue; | |
| 865 } | |
| 866 urn += 3; | |
| 867 } else { | |
| 868 result[i++] = *urn; | |
| 869 urn++; | |
| 870 } | |
| 871 } | |
| 872 result[i] = 0; | |
| 873 | |
| 874 return(xmlStrdup(result)); | |
| 875 } | |
| 876 | |
| 877 /** | |
| 878 * xmlParseCatalogFile: | |
| 879 * @filename: the filename | |
| 880 * | |
| 881 * parse an XML file and build a tree. It's like xmlParseFile() | |
| 882 * except it bypass all catalog lookups. | |
| 883 * | |
| 884 * Returns the resulting document tree or NULL in case of error | |
| 885 */ | |
| 886 | |
| 887 xmlDocPtr | |
| 888 xmlParseCatalogFile(const char *filename) { | |
| 889 xmlDocPtr ret; | |
| 890 xmlParserCtxtPtr ctxt; | |
| 891 char *directory = NULL; | |
| 892 xmlParserInputPtr inputStream; | |
| 893 xmlParserInputBufferPtr buf; | |
| 894 | |
| 895 ctxt = xmlNewParserCtxt(); | |
| 896 if (ctxt == NULL) { | |
| 897 #ifdef LIBXML_SAX1_ENABLED | |
| 898 if (xmlDefaultSAXHandler.error != NULL) { | |
| 899 xmlDefaultSAXHandler.error(NULL, "out of memory\n"); | |
| 900 } | |
| 901 #endif | |
| 902 return(NULL); | |
| 903 } | |
| 904 | |
| 905 buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE); | |
| 906 if (buf == NULL) { | |
| 907 xmlFreeParserCtxt(ctxt); | |
| 908 return(NULL); | |
| 909 } | |
| 910 | |
| 911 inputStream = xmlNewInputStream(ctxt); | |
| 912 if (inputStream == NULL) { | |
| 913 xmlFreeParserCtxt(ctxt); | |
| 914 return(NULL); | |
| 915 } | |
| 916 | |
| 917 inputStream->filename = (char *) xmlCanonicPath((const xmlChar *)filename); | |
| 918 inputStream->buf = buf; | |
| 919 xmlBufResetInput(buf->buffer, inputStream); | |
| 920 | |
| 921 inputPush(ctxt, inputStream); | |
| 922 if ((ctxt->directory == NULL) && (directory == NULL)) | |
| 923 directory = xmlParserGetDirectory(filename); | |
| 924 if ((ctxt->directory == NULL) && (directory != NULL)) | |
| 925 ctxt->directory = directory; | |
| 926 ctxt->valid = 0; | |
| 927 ctxt->validate = 0; | |
| 928 ctxt->loadsubset = 0; | |
| 929 ctxt->pedantic = 0; | |
| 930 ctxt->dictNames = 1; | |
| 931 | |
| 932 xmlParseDocument(ctxt); | |
| 933 | |
| 934 if (ctxt->wellFormed) | |
| 935 ret = ctxt->myDoc; | |
| 936 else { | |
| 937 ret = NULL; | |
| 938 xmlFreeDoc(ctxt->myDoc); | |
| 939 ctxt->myDoc = NULL; | |
| 940 } | |
| 941 xmlFreeParserCtxt(ctxt); | |
| 942 | |
| 943 return(ret); | |
| 944 } | |
| 945 | |
| 946 /** | |
| 947 * xmlLoadFileContent: | |
| 948 * @filename: a file path | |
| 949 * | |
| 950 * Load a file content into memory. | |
| 951 * | |
| 952 * Returns a pointer to the 0 terminated string or NULL in case of error | |
| 953 */ | |
| 954 static xmlChar * | |
| 955 xmlLoadFileContent(const char *filename) | |
| 956 { | |
| 957 #ifdef HAVE_STAT | |
| 958 int fd; | |
| 959 #else | |
| 960 FILE *fd; | |
| 961 #endif | |
| 962 int len; | |
| 963 long size; | |
| 964 | |
| 965 #ifdef HAVE_STAT | |
| 966 struct stat info; | |
| 967 #endif | |
| 968 xmlChar *content; | |
| 969 | |
| 970 if (filename == NULL) | |
| 971 return (NULL); | |
| 972 | |
| 973 #ifdef HAVE_STAT | |
| 974 if (stat(filename, &info) < 0) | |
| 975 return (NULL); | |
| 976 #endif | |
| 977 | |
| 978 #ifdef HAVE_STAT | |
| 979 if ((fd = open(filename, O_RDONLY)) < 0) | |
| 980 #else | |
| 981 if ((fd = fopen(filename, "rb")) == NULL) | |
| 982 #endif | |
| 983 { | |
| 984 return (NULL); | |
| 985 } | |
| 986 #ifdef HAVE_STAT | |
| 987 size = info.st_size; | |
| 988 #else | |
| 989 if (fseek(fd, 0, SEEK_END) || (size = ftell(fd)) == EOF || fseek(fd, 0, SEEK
_SET)) { /* File operations denied? ok, just close and return failure */ | |
| 990 fclose(fd); | |
| 991 return (NULL); | |
| 992 } | |
| 993 #endif | |
| 994 content = (xmlChar*)xmlMallocAtomic(size + 10); | |
| 995 if (content == NULL) { | |
| 996 xmlCatalogErrMemory("allocating catalog data"); | |
| 997 #ifdef HAVE_STAT | |
| 998 close(fd); | |
| 999 #else | |
| 1000 fclose(fd); | |
| 1001 #endif | |
| 1002 return (NULL); | |
| 1003 } | |
| 1004 #ifdef HAVE_STAT | |
| 1005 len = read(fd, content, size); | |
| 1006 close(fd); | |
| 1007 #else | |
| 1008 len = fread(content, 1, size, fd); | |
| 1009 fclose(fd); | |
| 1010 #endif | |
| 1011 if (len < 0) { | |
| 1012 xmlFree(content); | |
| 1013 return (NULL); | |
| 1014 } | |
| 1015 content[len] = 0; | |
| 1016 | |
| 1017 return(content); | |
| 1018 } | |
| 1019 | |
| 1020 /** | |
| 1021 * xmlCatalogNormalizePublic: | |
| 1022 * @pubID: the public ID string | |
| 1023 * | |
| 1024 * Normalizes the Public Identifier | |
| 1025 * | |
| 1026 * Implements 6.2. Public Identifier Normalization | |
| 1027 * from http://www.oasis-open.org/committees/entity/spec-2001-08-06.html | |
| 1028 * | |
| 1029 * Returns the new string or NULL, the string must be deallocated | |
| 1030 * by the caller. | |
| 1031 */ | |
| 1032 static xmlChar * | |
| 1033 xmlCatalogNormalizePublic(const xmlChar *pubID) | |
| 1034 { | |
| 1035 int ok = 1; | |
| 1036 int white; | |
| 1037 const xmlChar *p; | |
| 1038 xmlChar *ret; | |
| 1039 xmlChar *q; | |
| 1040 | |
| 1041 if (pubID == NULL) | |
| 1042 return(NULL); | |
| 1043 | |
| 1044 white = 1; | |
| 1045 for (p = pubID;*p != 0 && ok;p++) { | |
| 1046 if (!xmlIsBlank_ch(*p)) | |
| 1047 white = 0; | |
| 1048 else if (*p == 0x20 && !white) | |
| 1049 white = 1; | |
| 1050 else | |
| 1051 ok = 0; | |
| 1052 } | |
| 1053 if (ok && !white) /* is normalized */ | |
| 1054 return(NULL); | |
| 1055 | |
| 1056 ret = xmlStrdup(pubID); | |
| 1057 q = ret; | |
| 1058 white = 0; | |
| 1059 for (p = pubID;*p != 0;p++) { | |
| 1060 if (xmlIsBlank_ch(*p)) { | |
| 1061 if (q != ret) | |
| 1062 white = 1; | |
| 1063 } else { | |
| 1064 if (white) { | |
| 1065 *(q++) = 0x20; | |
| 1066 white = 0; | |
| 1067 } | |
| 1068 *(q++) = *p; | |
| 1069 } | |
| 1070 } | |
| 1071 *q = 0; | |
| 1072 return(ret); | |
| 1073 } | |
| 1074 | |
| 1075 /************************************************************************ | |
| 1076 * * | |
| 1077 * The XML Catalog parser * | |
| 1078 * * | |
| 1079 ************************************************************************/ | |
| 1080 | |
| 1081 static xmlCatalogEntryPtr | |
| 1082 xmlParseXMLCatalogFile(xmlCatalogPrefer prefer, const xmlChar *filename); | |
| 1083 static void | |
| 1084 xmlParseXMLCatalogNodeList(xmlNodePtr cur, xmlCatalogPrefer prefer, | |
| 1085 xmlCatalogEntryPtr parent, xmlCatalogEntryPtr cgroup)
; | |
| 1086 static xmlChar * | |
| 1087 xmlCatalogListXMLResolve(xmlCatalogEntryPtr catal, const xmlChar *pubID, | |
| 1088 const xmlChar *sysID); | |
| 1089 static xmlChar * | |
| 1090 xmlCatalogListXMLResolveURI(xmlCatalogEntryPtr catal, const xmlChar *URI); | |
| 1091 | |
| 1092 | |
| 1093 /** | |
| 1094 * xmlGetXMLCatalogEntryType: | |
| 1095 * @name: the name | |
| 1096 * | |
| 1097 * lookup the internal type associated to an XML catalog entry name | |
| 1098 * | |
| 1099 * Returns the type associated with that name | |
| 1100 */ | |
| 1101 static xmlCatalogEntryType | |
| 1102 xmlGetXMLCatalogEntryType(const xmlChar *name) { | |
| 1103 xmlCatalogEntryType type = XML_CATA_NONE; | |
| 1104 if (xmlStrEqual(name, (const xmlChar *) "system")) | |
| 1105 type = XML_CATA_SYSTEM; | |
| 1106 else if (xmlStrEqual(name, (const xmlChar *) "public")) | |
| 1107 type = XML_CATA_PUBLIC; | |
| 1108 else if (xmlStrEqual(name, (const xmlChar *) "rewriteSystem")) | |
| 1109 type = XML_CATA_REWRITE_SYSTEM; | |
| 1110 else if (xmlStrEqual(name, (const xmlChar *) "delegatePublic")) | |
| 1111 type = XML_CATA_DELEGATE_PUBLIC; | |
| 1112 else if (xmlStrEqual(name, (const xmlChar *) "delegateSystem")) | |
| 1113 type = XML_CATA_DELEGATE_SYSTEM; | |
| 1114 else if (xmlStrEqual(name, (const xmlChar *) "uri")) | |
| 1115 type = XML_CATA_URI; | |
| 1116 else if (xmlStrEqual(name, (const xmlChar *) "rewriteURI")) | |
| 1117 type = XML_CATA_REWRITE_URI; | |
| 1118 else if (xmlStrEqual(name, (const xmlChar *) "delegateURI")) | |
| 1119 type = XML_CATA_DELEGATE_URI; | |
| 1120 else if (xmlStrEqual(name, (const xmlChar *) "nextCatalog")) | |
| 1121 type = XML_CATA_NEXT_CATALOG; | |
| 1122 else if (xmlStrEqual(name, (const xmlChar *) "catalog")) | |
| 1123 type = XML_CATA_CATALOG; | |
| 1124 return(type); | |
| 1125 } | |
| 1126 | |
| 1127 /** | |
| 1128 * xmlParseXMLCatalogOneNode: | |
| 1129 * @cur: the XML node | |
| 1130 * @type: the type of Catalog entry | |
| 1131 * @name: the name of the node | |
| 1132 * @attrName: the attribute holding the value | |
| 1133 * @uriAttrName: the attribute holding the URI-Reference | |
| 1134 * @prefer: the PUBLIC vs. SYSTEM current preference value | |
| 1135 * @cgroup: the group which includes this node | |
| 1136 * | |
| 1137 * Finishes the examination of an XML tree node of a catalog and build | |
| 1138 * a Catalog entry from it. | |
| 1139 * | |
| 1140 * Returns the new Catalog entry node or NULL in case of error. | |
| 1141 */ | |
| 1142 static xmlCatalogEntryPtr | |
| 1143 xmlParseXMLCatalogOneNode(xmlNodePtr cur, xmlCatalogEntryType type, | |
| 1144 const xmlChar *name, const xmlChar *attrName, | |
| 1145 const xmlChar *uriAttrName, xmlCatalogPrefer prefer, | |
| 1146 xmlCatalogEntryPtr cgroup) { | |
| 1147 int ok = 1; | |
| 1148 xmlChar *uriValue; | |
| 1149 xmlChar *nameValue = NULL; | |
| 1150 xmlChar *base = NULL; | |
| 1151 xmlChar *URL = NULL; | |
| 1152 xmlCatalogEntryPtr ret = NULL; | |
| 1153 | |
| 1154 if (attrName != NULL) { | |
| 1155 nameValue = xmlGetProp(cur, attrName); | |
| 1156 if (nameValue == NULL) { | |
| 1157 xmlCatalogErr(ret, cur, XML_CATALOG_MISSING_ATTR, | |
| 1158 "%s entry lacks '%s'\n", name, attrName, NULL); | |
| 1159 ok = 0; | |
| 1160 } | |
| 1161 } | |
| 1162 uriValue = xmlGetProp(cur, uriAttrName); | |
| 1163 if (uriValue == NULL) { | |
| 1164 xmlCatalogErr(ret, cur, XML_CATALOG_MISSING_ATTR, | |
| 1165 "%s entry lacks '%s'\n", name, uriAttrName, NULL); | |
| 1166 ok = 0; | |
| 1167 } | |
| 1168 if (!ok) { | |
| 1169 if (nameValue != NULL) | |
| 1170 xmlFree(nameValue); | |
| 1171 if (uriValue != NULL) | |
| 1172 xmlFree(uriValue); | |
| 1173 return(NULL); | |
| 1174 } | |
| 1175 | |
| 1176 base = xmlNodeGetBase(cur->doc, cur); | |
| 1177 URL = xmlBuildURI(uriValue, base); | |
| 1178 if (URL != NULL) { | |
| 1179 if (xmlDebugCatalogs > 1) { | |
| 1180 if (nameValue != NULL) | |
| 1181 xmlGenericError(xmlGenericErrorContext, | |
| 1182 "Found %s: '%s' '%s'\n", name, nameValue, URL); | |
| 1183 else | |
| 1184 xmlGenericError(xmlGenericErrorContext, | |
| 1185 "Found %s: '%s'\n", name, URL); | |
| 1186 } | |
| 1187 ret = xmlNewCatalogEntry(type, nameValue, uriValue, URL, prefer, cgroup)
; | |
| 1188 } else { | |
| 1189 xmlCatalogErr(ret, cur, XML_CATALOG_ENTRY_BROKEN, | |
| 1190 "%s entry '%s' broken ?: %s\n", name, uriAttrName, uriValue); | |
| 1191 } | |
| 1192 if (nameValue != NULL) | |
| 1193 xmlFree(nameValue); | |
| 1194 if (uriValue != NULL) | |
| 1195 xmlFree(uriValue); | |
| 1196 if (base != NULL) | |
| 1197 xmlFree(base); | |
| 1198 if (URL != NULL) | |
| 1199 xmlFree(URL); | |
| 1200 return(ret); | |
| 1201 } | |
| 1202 | |
| 1203 /** | |
| 1204 * xmlParseXMLCatalogNode: | |
| 1205 * @cur: the XML node | |
| 1206 * @prefer: the PUBLIC vs. SYSTEM current preference value | |
| 1207 * @parent: the parent Catalog entry | |
| 1208 * @cgroup: the group which includes this node | |
| 1209 * | |
| 1210 * Examines an XML tree node of a catalog and build | |
| 1211 * a Catalog entry from it adding it to its parent. The examination can | |
| 1212 * be recursive. | |
| 1213 */ | |
| 1214 static void | |
| 1215 xmlParseXMLCatalogNode(xmlNodePtr cur, xmlCatalogPrefer prefer, | |
| 1216 xmlCatalogEntryPtr parent, xmlCatalogEntryPtr cgroup) | |
| 1217 { | |
| 1218 xmlChar *base = NULL; | |
| 1219 xmlCatalogEntryPtr entry = NULL; | |
| 1220 | |
| 1221 if (cur == NULL) | |
| 1222 return; | |
| 1223 if (xmlStrEqual(cur->name, BAD_CAST "group")) { | |
| 1224 xmlChar *prop; | |
| 1225 xmlCatalogPrefer pref = XML_CATA_PREFER_NONE; | |
| 1226 | |
| 1227 prop = xmlGetProp(cur, BAD_CAST "prefer"); | |
| 1228 if (prop != NULL) { | |
| 1229 if (xmlStrEqual(prop, BAD_CAST "system")) { | |
| 1230 prefer = XML_CATA_PREFER_SYSTEM; | |
| 1231 } else if (xmlStrEqual(prop, BAD_CAST "public")) { | |
| 1232 prefer = XML_CATA_PREFER_PUBLIC; | |
| 1233 } else { | |
| 1234 xmlCatalogErr(parent, cur, XML_CATALOG_PREFER_VALUE, | |
| 1235 "Invalid value for prefer: '%s'\n", | |
| 1236 prop, NULL, NULL); | |
| 1237 } | |
| 1238 xmlFree(prop); | |
| 1239 pref = prefer; | |
| 1240 } | |
| 1241 prop = xmlGetProp(cur, BAD_CAST "id"); | |
| 1242 base = xmlGetNsProp(cur, BAD_CAST "base", XML_XML_NAMESPACE); | |
| 1243 entry = xmlNewCatalogEntry(XML_CATA_GROUP, prop, base, NULL, pref, cgrou
p); | |
| 1244 xmlFree(prop); | |
| 1245 } else if (xmlStrEqual(cur->name, BAD_CAST "public")) { | |
| 1246 entry = xmlParseXMLCatalogOneNode(cur, XML_CATA_PUBLIC, | |
| 1247 BAD_CAST "public", BAD_CAST "publicId", BAD_CAST "uri", prefer,
cgroup); | |
| 1248 } else if (xmlStrEqual(cur->name, BAD_CAST "system")) { | |
| 1249 entry = xmlParseXMLCatalogOneNode(cur, XML_CATA_SYSTEM, | |
| 1250 BAD_CAST "system", BAD_CAST "systemId", BAD_CAST "uri", prefer,
cgroup); | |
| 1251 } else if (xmlStrEqual(cur->name, BAD_CAST "rewriteSystem")) { | |
| 1252 entry = xmlParseXMLCatalogOneNode(cur, XML_CATA_REWRITE_SYSTEM, | |
| 1253 BAD_CAST "rewriteSystem", BAD_CAST "systemIdStartString", | |
| 1254 BAD_CAST "rewritePrefix", prefer, cgroup); | |
| 1255 } else if (xmlStrEqual(cur->name, BAD_CAST "delegatePublic")) { | |
| 1256 entry = xmlParseXMLCatalogOneNode(cur, XML_CATA_DELEGATE_PUBLIC, | |
| 1257 BAD_CAST "delegatePublic", BAD_CAST "publicIdStartString", | |
| 1258 BAD_CAST "catalog", prefer, cgroup); | |
| 1259 } else if (xmlStrEqual(cur->name, BAD_CAST "delegateSystem")) { | |
| 1260 entry = xmlParseXMLCatalogOneNode(cur, XML_CATA_DELEGATE_SYSTEM, | |
| 1261 BAD_CAST "delegateSystem", BAD_CAST "systemIdStartString", | |
| 1262 BAD_CAST "catalog", prefer, cgroup); | |
| 1263 } else if (xmlStrEqual(cur->name, BAD_CAST "uri")) { | |
| 1264 entry = xmlParseXMLCatalogOneNode(cur, XML_CATA_URI, | |
| 1265 BAD_CAST "uri", BAD_CAST "name", | |
| 1266 BAD_CAST "uri", prefer, cgroup); | |
| 1267 } else if (xmlStrEqual(cur->name, BAD_CAST "rewriteURI")) { | |
| 1268 entry = xmlParseXMLCatalogOneNode(cur, XML_CATA_REWRITE_URI, | |
| 1269 BAD_CAST "rewriteURI", BAD_CAST "uriStartString", | |
| 1270 BAD_CAST "rewritePrefix", prefer, cgroup); | |
| 1271 } else if (xmlStrEqual(cur->name, BAD_CAST "delegateURI")) { | |
| 1272 entry = xmlParseXMLCatalogOneNode(cur, XML_CATA_DELEGATE_URI, | |
| 1273 BAD_CAST "delegateURI", BAD_CAST "uriStartString", | |
| 1274 BAD_CAST "catalog", prefer, cgroup); | |
| 1275 } else if (xmlStrEqual(cur->name, BAD_CAST "nextCatalog")) { | |
| 1276 entry = xmlParseXMLCatalogOneNode(cur, XML_CATA_NEXT_CATALOG, | |
| 1277 BAD_CAST "nextCatalog", NULL, | |
| 1278 BAD_CAST "catalog", prefer, cgroup); | |
| 1279 } | |
| 1280 if (entry != NULL) { | |
| 1281 if (parent != NULL) { | |
| 1282 entry->parent = parent; | |
| 1283 if (parent->children == NULL) | |
| 1284 parent->children = entry; | |
| 1285 else { | |
| 1286 xmlCatalogEntryPtr prev; | |
| 1287 | |
| 1288 prev = parent->children; | |
| 1289 while (prev->next != NULL) | |
| 1290 prev = prev->next; | |
| 1291 prev->next = entry; | |
| 1292 } | |
| 1293 } | |
| 1294 if (entry->type == XML_CATA_GROUP) { | |
| 1295 /* | |
| 1296 * Recurse to propagate prefer to the subtree | |
| 1297 * (xml:base handling is automated) | |
| 1298 */ | |
| 1299 xmlParseXMLCatalogNodeList(cur->children, prefer, parent, entry); | |
| 1300 } | |
| 1301 } | |
| 1302 if (base != NULL) | |
| 1303 xmlFree(base); | |
| 1304 } | |
| 1305 | |
| 1306 /** | |
| 1307 * xmlParseXMLCatalogNodeList: | |
| 1308 * @cur: the XML node list of siblings | |
| 1309 * @prefer: the PUBLIC vs. SYSTEM current preference value | |
| 1310 * @parent: the parent Catalog entry | |
| 1311 * @cgroup: the group which includes this list | |
| 1312 * | |
| 1313 * Examines a list of XML sibling nodes of a catalog and build | |
| 1314 * a list of Catalog entry from it adding it to the parent. | |
| 1315 * The examination will recurse to examine node subtrees. | |
| 1316 */ | |
| 1317 static void | |
| 1318 xmlParseXMLCatalogNodeList(xmlNodePtr cur, xmlCatalogPrefer prefer, | |
| 1319 xmlCatalogEntryPtr parent, xmlCatalogEntryPtr cgroup)
{ | |
| 1320 while (cur != NULL) { | |
| 1321 if ((cur->ns != NULL) && (cur->ns->href != NULL) && | |
| 1322 (xmlStrEqual(cur->ns->href, XML_CATALOGS_NAMESPACE))) { | |
| 1323 xmlParseXMLCatalogNode(cur, prefer, parent, cgroup); | |
| 1324 } | |
| 1325 cur = cur->next; | |
| 1326 } | |
| 1327 /* TODO: sort the list according to REWRITE lengths and prefer value */ | |
| 1328 } | |
| 1329 | |
| 1330 /** | |
| 1331 * xmlParseXMLCatalogFile: | |
| 1332 * @prefer: the PUBLIC vs. SYSTEM current preference value | |
| 1333 * @filename: the filename for the catalog | |
| 1334 * | |
| 1335 * Parses the catalog file to extract the XML tree and then analyze the | |
| 1336 * tree to build a list of Catalog entries corresponding to this catalog | |
| 1337 * | |
| 1338 * Returns the resulting Catalog entries list | |
| 1339 */ | |
| 1340 static xmlCatalogEntryPtr | |
| 1341 xmlParseXMLCatalogFile(xmlCatalogPrefer prefer, const xmlChar *filename) { | |
| 1342 xmlDocPtr doc; | |
| 1343 xmlNodePtr cur; | |
| 1344 xmlChar *prop; | |
| 1345 xmlCatalogEntryPtr parent = NULL; | |
| 1346 | |
| 1347 if (filename == NULL) | |
| 1348 return(NULL); | |
| 1349 | |
| 1350 doc = xmlParseCatalogFile((const char *) filename); | |
| 1351 if (doc == NULL) { | |
| 1352 if (xmlDebugCatalogs) | |
| 1353 xmlGenericError(xmlGenericErrorContext, | |
| 1354 "Failed to parse catalog %s\n", filename); | |
| 1355 return(NULL); | |
| 1356 } | |
| 1357 | |
| 1358 if (xmlDebugCatalogs) | |
| 1359 xmlGenericError(xmlGenericErrorContext, | |
| 1360 "%d Parsing catalog %s\n", xmlGetThreadId(), filename); | |
| 1361 | |
| 1362 cur = xmlDocGetRootElement(doc); | |
| 1363 if ((cur != NULL) && (xmlStrEqual(cur->name, BAD_CAST "catalog")) && | |
| 1364 (cur->ns != NULL) && (cur->ns->href != NULL) && | |
| 1365 (xmlStrEqual(cur->ns->href, XML_CATALOGS_NAMESPACE))) { | |
| 1366 | |
| 1367 parent = xmlNewCatalogEntry(XML_CATA_CATALOG, NULL, | |
| 1368 (const xmlChar *)filename, NULL, prefer, NUL
L); | |
| 1369 if (parent == NULL) { | |
| 1370 xmlFreeDoc(doc); | |
| 1371 return(NULL); | |
| 1372 } | |
| 1373 | |
| 1374 prop = xmlGetProp(cur, BAD_CAST "prefer"); | |
| 1375 if (prop != NULL) { | |
| 1376 if (xmlStrEqual(prop, BAD_CAST "system")) { | |
| 1377 prefer = XML_CATA_PREFER_SYSTEM; | |
| 1378 } else if (xmlStrEqual(prop, BAD_CAST "public")) { | |
| 1379 prefer = XML_CATA_PREFER_PUBLIC; | |
| 1380 } else { | |
| 1381 xmlCatalogErr(NULL, cur, XML_CATALOG_PREFER_VALUE, | |
| 1382 "Invalid value for prefer: '%s'\n", | |
| 1383 prop, NULL, NULL); | |
| 1384 } | |
| 1385 xmlFree(prop); | |
| 1386 } | |
| 1387 cur = cur->children; | |
| 1388 xmlParseXMLCatalogNodeList(cur, prefer, parent, NULL); | |
| 1389 } else { | |
| 1390 xmlCatalogErr(NULL, (xmlNodePtr) doc, XML_CATALOG_NOT_CATALOG, | |
| 1391 "File %s is not an XML Catalog\n", | |
| 1392 filename, NULL, NULL); | |
| 1393 xmlFreeDoc(doc); | |
| 1394 return(NULL); | |
| 1395 } | |
| 1396 xmlFreeDoc(doc); | |
| 1397 return(parent); | |
| 1398 } | |
| 1399 | |
| 1400 /** | |
| 1401 * xmlFetchXMLCatalogFile: | |
| 1402 * @catal: an existing but incomplete catalog entry | |
| 1403 * | |
| 1404 * Fetch and parse the subcatalog referenced by an entry | |
| 1405 * | |
| 1406 * Returns 0 in case of success, -1 otherwise | |
| 1407 */ | |
| 1408 static int | |
| 1409 xmlFetchXMLCatalogFile(xmlCatalogEntryPtr catal) { | |
| 1410 xmlCatalogEntryPtr doc; | |
| 1411 | |
| 1412 if (catal == NULL) | |
| 1413 return(-1); | |
| 1414 if (catal->URL == NULL) | |
| 1415 return(-1); | |
| 1416 | |
| 1417 /* | |
| 1418 * lock the whole catalog for modification | |
| 1419 */ | |
| 1420 xmlRMutexLock(xmlCatalogMutex); | |
| 1421 if (catal->children != NULL) { | |
| 1422 /* Okay someone else did it in the meantime */ | |
| 1423 xmlRMutexUnlock(xmlCatalogMutex); | |
| 1424 return(0); | |
| 1425 } | |
| 1426 | |
| 1427 if (xmlCatalogXMLFiles != NULL) { | |
| 1428 doc = (xmlCatalogEntryPtr) | |
| 1429 xmlHashLookup(xmlCatalogXMLFiles, catal->URL); | |
| 1430 if (doc != NULL) { | |
| 1431 if (xmlDebugCatalogs) | |
| 1432 xmlGenericError(xmlGenericErrorContext, | |
| 1433 "Found %s in file hash\n", catal->URL); | |
| 1434 | |
| 1435 if (catal->type == XML_CATA_CATALOG) | |
| 1436 catal->children = doc->children; | |
| 1437 else | |
| 1438 catal->children = doc; | |
| 1439 catal->dealloc = 0; | |
| 1440 xmlRMutexUnlock(xmlCatalogMutex); | |
| 1441 return(0); | |
| 1442 } | |
| 1443 if (xmlDebugCatalogs) | |
| 1444 xmlGenericError(xmlGenericErrorContext, | |
| 1445 "%s not found in file hash\n", catal->URL); | |
| 1446 } | |
| 1447 | |
| 1448 /* | |
| 1449 * Fetch and parse. Note that xmlParseXMLCatalogFile does not | |
| 1450 * use the existing catalog, there is no recursion allowed at | |
| 1451 * that level. | |
| 1452 */ | |
| 1453 doc = xmlParseXMLCatalogFile(catal->prefer, catal->URL); | |
| 1454 if (doc == NULL) { | |
| 1455 catal->type = XML_CATA_BROKEN_CATALOG; | |
| 1456 xmlRMutexUnlock(xmlCatalogMutex); | |
| 1457 return(-1); | |
| 1458 } | |
| 1459 | |
| 1460 if (catal->type == XML_CATA_CATALOG) | |
| 1461 catal->children = doc->children; | |
| 1462 else | |
| 1463 catal->children = doc; | |
| 1464 | |
| 1465 doc->dealloc = 1; | |
| 1466 | |
| 1467 if (xmlCatalogXMLFiles == NULL) | |
| 1468 xmlCatalogXMLFiles = xmlHashCreate(10); | |
| 1469 if (xmlCatalogXMLFiles != NULL) { | |
| 1470 if (xmlDebugCatalogs) | |
| 1471 xmlGenericError(xmlGenericErrorContext, | |
| 1472 "%s added to file hash\n", catal->URL); | |
| 1473 xmlHashAddEntry(xmlCatalogXMLFiles, catal->URL, doc); | |
| 1474 } | |
| 1475 xmlRMutexUnlock(xmlCatalogMutex); | |
| 1476 return(0); | |
| 1477 } | |
| 1478 | |
| 1479 /************************************************************************ | |
| 1480 * * | |
| 1481 * XML Catalog handling * | |
| 1482 * * | |
| 1483 ************************************************************************/ | |
| 1484 | |
| 1485 /** | |
| 1486 * xmlAddXMLCatalog: | |
| 1487 * @catal: top of an XML catalog | |
| 1488 * @type: the type of record to add to the catalog | |
| 1489 * @orig: the system, public or prefix to match (or NULL) | |
| 1490 * @replace: the replacement value for the match | |
| 1491 * | |
| 1492 * Add an entry in the XML catalog, it may overwrite existing but | |
| 1493 * different entries. | |
| 1494 * | |
| 1495 * Returns 0 if successful, -1 otherwise | |
| 1496 */ | |
| 1497 static int | |
| 1498 xmlAddXMLCatalog(xmlCatalogEntryPtr catal, const xmlChar *type, | |
| 1499 const xmlChar *orig, const xmlChar *replace) { | |
| 1500 xmlCatalogEntryPtr cur; | |
| 1501 xmlCatalogEntryType typ; | |
| 1502 int doregister = 0; | |
| 1503 | |
| 1504 if ((catal == NULL) || | |
| 1505 ((catal->type != XML_CATA_CATALOG) && | |
| 1506 (catal->type != XML_CATA_BROKEN_CATALOG))) | |
| 1507 return(-1); | |
| 1508 if (catal->children == NULL) { | |
| 1509 xmlFetchXMLCatalogFile(catal); | |
| 1510 } | |
| 1511 if (catal->children == NULL) | |
| 1512 doregister = 1; | |
| 1513 | |
| 1514 typ = xmlGetXMLCatalogEntryType(type); | |
| 1515 if (typ == XML_CATA_NONE) { | |
| 1516 if (xmlDebugCatalogs) | |
| 1517 xmlGenericError(xmlGenericErrorContext, | |
| 1518 "Failed to add unknown element %s to catalog\n", type); | |
| 1519 return(-1); | |
| 1520 } | |
| 1521 | |
| 1522 cur = catal->children; | |
| 1523 /* | |
| 1524 * Might be a simple "update in place" | |
| 1525 */ | |
| 1526 if (cur != NULL) { | |
| 1527 while (cur != NULL) { | |
| 1528 if ((orig != NULL) && (cur->type == typ) && | |
| 1529 (xmlStrEqual(orig, cur->name))) { | |
| 1530 if (xmlDebugCatalogs) | |
| 1531 xmlGenericError(xmlGenericErrorContext, | |
| 1532 "Updating element %s to catalog\n", type); | |
| 1533 if (cur->value != NULL) | |
| 1534 xmlFree(cur->value); | |
| 1535 if (cur->URL != NULL) | |
| 1536 xmlFree(cur->URL); | |
| 1537 cur->value = xmlStrdup(replace); | |
| 1538 cur->URL = xmlStrdup(replace); | |
| 1539 return(0); | |
| 1540 } | |
| 1541 if (cur->next == NULL) | |
| 1542 break; | |
| 1543 cur = cur->next; | |
| 1544 } | |
| 1545 } | |
| 1546 if (xmlDebugCatalogs) | |
| 1547 xmlGenericError(xmlGenericErrorContext, | |
| 1548 "Adding element %s to catalog\n", type); | |
| 1549 if (cur == NULL) | |
| 1550 catal->children = xmlNewCatalogEntry(typ, orig, replace, | |
| 1551 NULL, catal->prefer, NULL); | |
| 1552 else | |
| 1553 cur->next = xmlNewCatalogEntry(typ, orig, replace, | |
| 1554 NULL, catal->prefer, NULL); | |
| 1555 if (doregister) { | |
| 1556 catal->type = XML_CATA_CATALOG; | |
| 1557 cur = (xmlCatalogEntryPtr)xmlHashLookup(xmlCatalogXMLFiles, catal->URL); | |
| 1558 if (cur != NULL) | |
| 1559 cur->children = catal->children; | |
| 1560 } | |
| 1561 | |
| 1562 return(0); | |
| 1563 } | |
| 1564 | |
| 1565 /** | |
| 1566 * xmlDelXMLCatalog: | |
| 1567 * @catal: top of an XML catalog | |
| 1568 * @value: the value to remove from the catalog | |
| 1569 * | |
| 1570 * Remove entries in the XML catalog where the value or the URI | |
| 1571 * is equal to @value | |
| 1572 * | |
| 1573 * Returns the number of entries removed if successful, -1 otherwise | |
| 1574 */ | |
| 1575 static int | |
| 1576 xmlDelXMLCatalog(xmlCatalogEntryPtr catal, const xmlChar *value) { | |
| 1577 xmlCatalogEntryPtr cur; | |
| 1578 int ret = 0; | |
| 1579 | |
| 1580 if ((catal == NULL) || | |
| 1581 ((catal->type != XML_CATA_CATALOG) && | |
| 1582 (catal->type != XML_CATA_BROKEN_CATALOG))) | |
| 1583 return(-1); | |
| 1584 if (value == NULL) | |
| 1585 return(-1); | |
| 1586 if (catal->children == NULL) { | |
| 1587 xmlFetchXMLCatalogFile(catal); | |
| 1588 } | |
| 1589 | |
| 1590 /* | |
| 1591 * Scan the children | |
| 1592 */ | |
| 1593 cur = catal->children; | |
| 1594 while (cur != NULL) { | |
| 1595 if (((cur->name != NULL) && (xmlStrEqual(value, cur->name))) || | |
| 1596 (xmlStrEqual(value, cur->value))) { | |
| 1597 if (xmlDebugCatalogs) { | |
| 1598 if (cur->name != NULL) | |
| 1599 xmlGenericError(xmlGenericErrorContext, | |
| 1600 "Removing element %s from catalog\n", cur->name); | |
| 1601 else | |
| 1602 xmlGenericError(xmlGenericErrorContext, | |
| 1603 "Removing element %s from catalog\n", cur->value); | |
| 1604 } | |
| 1605 cur->type = XML_CATA_REMOVED; | |
| 1606 } | |
| 1607 cur = cur->next; | |
| 1608 } | |
| 1609 return(ret); | |
| 1610 } | |
| 1611 | |
| 1612 /** | |
| 1613 * xmlCatalogXMLResolve: | |
| 1614 * @catal: a catalog list | |
| 1615 * @pubID: the public ID string | |
| 1616 * @sysID: the system ID string | |
| 1617 * | |
| 1618 * Do a complete resolution lookup of an External Identifier for a | |
| 1619 * list of catalog entries. | |
| 1620 * | |
| 1621 * Implements (or tries to) 7.1. External Identifier Resolution | |
| 1622 * from http://www.oasis-open.org/committees/entity/spec-2001-08-06.html | |
| 1623 * | |
| 1624 * Returns the URI of the resource or NULL if not found | |
| 1625 */ | |
| 1626 static xmlChar * | |
| 1627 xmlCatalogXMLResolve(xmlCatalogEntryPtr catal, const xmlChar *pubID, | |
| 1628 const xmlChar *sysID) { | |
| 1629 xmlChar *ret = NULL; | |
| 1630 xmlCatalogEntryPtr cur; | |
| 1631 int haveDelegate = 0; | |
| 1632 int haveNext = 0; | |
| 1633 | |
| 1634 /* | |
| 1635 * protection against loops | |
| 1636 */ | |
| 1637 if (catal->depth > MAX_CATAL_DEPTH) { | |
| 1638 xmlCatalogErr(catal, NULL, XML_CATALOG_RECURSION, | |
| 1639 "Detected recursion in catalog %s\n", | |
| 1640 catal->name, NULL, NULL); | |
| 1641 return(NULL); | |
| 1642 } | |
| 1643 catal->depth++; | |
| 1644 | |
| 1645 /* | |
| 1646 * First tries steps 2/ 3/ 4/ if a system ID is provided. | |
| 1647 */ | |
| 1648 if (sysID != NULL) { | |
| 1649 xmlCatalogEntryPtr rewrite = NULL; | |
| 1650 int lenrewrite = 0, len; | |
| 1651 cur = catal; | |
| 1652 haveDelegate = 0; | |
| 1653 while (cur != NULL) { | |
| 1654 switch (cur->type) { | |
| 1655 case XML_CATA_SYSTEM: | |
| 1656 if (xmlStrEqual(sysID, cur->name)) { | |
| 1657 if (xmlDebugCatalogs) | |
| 1658 xmlGenericError(xmlGenericErrorContext, | |
| 1659 "Found system match %s, using %s\n", | |
| 1660 cur->name, cur->URL); | |
| 1661 catal->depth--; | |
| 1662 return(xmlStrdup(cur->URL)); | |
| 1663 } | |
| 1664 break; | |
| 1665 case XML_CATA_REWRITE_SYSTEM: | |
| 1666 len = xmlStrlen(cur->name); | |
| 1667 if ((len > lenrewrite) && | |
| 1668 (!xmlStrncmp(sysID, cur->name, len))) { | |
| 1669 lenrewrite = len; | |
| 1670 rewrite = cur; | |
| 1671 } | |
| 1672 break; | |
| 1673 case XML_CATA_DELEGATE_SYSTEM: | |
| 1674 if (!xmlStrncmp(sysID, cur->name, xmlStrlen(cur->name))) | |
| 1675 haveDelegate++; | |
| 1676 break; | |
| 1677 case XML_CATA_NEXT_CATALOG: | |
| 1678 haveNext++; | |
| 1679 break; | |
| 1680 default: | |
| 1681 break; | |
| 1682 } | |
| 1683 cur = cur->next; | |
| 1684 } | |
| 1685 if (rewrite != NULL) { | |
| 1686 if (xmlDebugCatalogs) | |
| 1687 xmlGenericError(xmlGenericErrorContext, | |
| 1688 "Using rewriting rule %s\n", rewrite->name); | |
| 1689 ret = xmlStrdup(rewrite->URL); | |
| 1690 if (ret != NULL) | |
| 1691 ret = xmlStrcat(ret, &sysID[lenrewrite]); | |
| 1692 catal->depth--; | |
| 1693 return(ret); | |
| 1694 } | |
| 1695 if (haveDelegate) { | |
| 1696 const xmlChar *delegates[MAX_DELEGATE]; | |
| 1697 int nbList = 0, i; | |
| 1698 | |
| 1699 /* | |
| 1700 * Assume the entries have been sorted by decreasing substring | |
| 1701 * matches when the list was produced. | |
| 1702 */ | |
| 1703 cur = catal; | |
| 1704 while (cur != NULL) { | |
| 1705 if ((cur->type == XML_CATA_DELEGATE_SYSTEM) && | |
| 1706 (!xmlStrncmp(sysID, cur->name, xmlStrlen(cur->name)))) { | |
| 1707 for (i = 0;i < nbList;i++) | |
| 1708 if (xmlStrEqual(cur->URL, delegates[i])) | |
| 1709 break; | |
| 1710 if (i < nbList) { | |
| 1711 cur = cur->next; | |
| 1712 continue; | |
| 1713 } | |
| 1714 if (nbList < MAX_DELEGATE) | |
| 1715 delegates[nbList++] = cur->URL; | |
| 1716 | |
| 1717 if (cur->children == NULL) { | |
| 1718 xmlFetchXMLCatalogFile(cur); | |
| 1719 } | |
| 1720 if (cur->children != NULL) { | |
| 1721 if (xmlDebugCatalogs) | |
| 1722 xmlGenericError(xmlGenericErrorContext, | |
| 1723 "Trying system delegate %s\n", cur->URL); | |
| 1724 ret = xmlCatalogListXMLResolve( | |
| 1725 cur->children, NULL, sysID); | |
| 1726 if (ret != NULL) { | |
| 1727 catal->depth--; | |
| 1728 return(ret); | |
| 1729 } | |
| 1730 } | |
| 1731 } | |
| 1732 cur = cur->next; | |
| 1733 } | |
| 1734 /* | |
| 1735 * Apply the cut algorithm explained in 4/ | |
| 1736 */ | |
| 1737 catal->depth--; | |
| 1738 return(XML_CATAL_BREAK); | |
| 1739 } | |
| 1740 } | |
| 1741 /* | |
| 1742 * Then tries 5/ 6/ if a public ID is provided | |
| 1743 */ | |
| 1744 if (pubID != NULL) { | |
| 1745 cur = catal; | |
| 1746 haveDelegate = 0; | |
| 1747 while (cur != NULL) { | |
| 1748 switch (cur->type) { | |
| 1749 case XML_CATA_PUBLIC: | |
| 1750 if (xmlStrEqual(pubID, cur->name)) { | |
| 1751 if (xmlDebugCatalogs) | |
| 1752 xmlGenericError(xmlGenericErrorContext, | |
| 1753 "Found public match %s\n", cur->name); | |
| 1754 catal->depth--; | |
| 1755 return(xmlStrdup(cur->URL)); | |
| 1756 } | |
| 1757 break; | |
| 1758 case XML_CATA_DELEGATE_PUBLIC: | |
| 1759 if (!xmlStrncmp(pubID, cur->name, xmlStrlen(cur->name)) && | |
| 1760 (cur->prefer == XML_CATA_PREFER_PUBLIC)) | |
| 1761 haveDelegate++; | |
| 1762 break; | |
| 1763 case XML_CATA_NEXT_CATALOG: | |
| 1764 if (sysID == NULL) | |
| 1765 haveNext++; | |
| 1766 break; | |
| 1767 default: | |
| 1768 break; | |
| 1769 } | |
| 1770 cur = cur->next; | |
| 1771 } | |
| 1772 if (haveDelegate) { | |
| 1773 const xmlChar *delegates[MAX_DELEGATE]; | |
| 1774 int nbList = 0, i; | |
| 1775 | |
| 1776 /* | |
| 1777 * Assume the entries have been sorted by decreasing substring | |
| 1778 * matches when the list was produced. | |
| 1779 */ | |
| 1780 cur = catal; | |
| 1781 while (cur != NULL) { | |
| 1782 if ((cur->type == XML_CATA_DELEGATE_PUBLIC) && | |
| 1783 (cur->prefer == XML_CATA_PREFER_PUBLIC) && | |
| 1784 (!xmlStrncmp(pubID, cur->name, xmlStrlen(cur->name)))) { | |
| 1785 | |
| 1786 for (i = 0;i < nbList;i++) | |
| 1787 if (xmlStrEqual(cur->URL, delegates[i])) | |
| 1788 break; | |
| 1789 if (i < nbList) { | |
| 1790 cur = cur->next; | |
| 1791 continue; | |
| 1792 } | |
| 1793 if (nbList < MAX_DELEGATE) | |
| 1794 delegates[nbList++] = cur->URL; | |
| 1795 | |
| 1796 if (cur->children == NULL) { | |
| 1797 xmlFetchXMLCatalogFile(cur); | |
| 1798 } | |
| 1799 if (cur->children != NULL) { | |
| 1800 if (xmlDebugCatalogs) | |
| 1801 xmlGenericError(xmlGenericErrorContext, | |
| 1802 "Trying public delegate %s\n", cur->URL); | |
| 1803 ret = xmlCatalogListXMLResolve( | |
| 1804 cur->children, pubID, NULL); | |
| 1805 if (ret != NULL) { | |
| 1806 catal->depth--; | |
| 1807 return(ret); | |
| 1808 } | |
| 1809 } | |
| 1810 } | |
| 1811 cur = cur->next; | |
| 1812 } | |
| 1813 /* | |
| 1814 * Apply the cut algorithm explained in 4/ | |
| 1815 */ | |
| 1816 catal->depth--; | |
| 1817 return(XML_CATAL_BREAK); | |
| 1818 } | |
| 1819 } | |
| 1820 if (haveNext) { | |
| 1821 cur = catal; | |
| 1822 while (cur != NULL) { | |
| 1823 if (cur->type == XML_CATA_NEXT_CATALOG) { | |
| 1824 if (cur->children == NULL) { | |
| 1825 xmlFetchXMLCatalogFile(cur); | |
| 1826 } | |
| 1827 if (cur->children != NULL) { | |
| 1828 ret = xmlCatalogListXMLResolve(cur->children, pubID, sysID); | |
| 1829 if (ret != NULL) { | |
| 1830 catal->depth--; | |
| 1831 return(ret); | |
| 1832 } else if (catal->depth > MAX_CATAL_DEPTH) { | |
| 1833 return(NULL); | |
| 1834 } | |
| 1835 } | |
| 1836 } | |
| 1837 cur = cur->next; | |
| 1838 } | |
| 1839 } | |
| 1840 | |
| 1841 catal->depth--; | |
| 1842 return(NULL); | |
| 1843 } | |
| 1844 | |
| 1845 /** | |
| 1846 * xmlCatalogXMLResolveURI: | |
| 1847 * @catal: a catalog list | |
| 1848 * @URI: the URI | |
| 1849 * @sysID: the system ID string | |
| 1850 * | |
| 1851 * Do a complete resolution lookup of an External Identifier for a | |
| 1852 * list of catalog entries. | |
| 1853 * | |
| 1854 * Implements (or tries to) 7.2.2. URI Resolution | |
| 1855 * from http://www.oasis-open.org/committees/entity/spec-2001-08-06.html | |
| 1856 * | |
| 1857 * Returns the URI of the resource or NULL if not found | |
| 1858 */ | |
| 1859 static xmlChar * | |
| 1860 xmlCatalogXMLResolveURI(xmlCatalogEntryPtr catal, const xmlChar *URI) { | |
| 1861 xmlChar *ret = NULL; | |
| 1862 xmlCatalogEntryPtr cur; | |
| 1863 int haveDelegate = 0; | |
| 1864 int haveNext = 0; | |
| 1865 xmlCatalogEntryPtr rewrite = NULL; | |
| 1866 int lenrewrite = 0, len; | |
| 1867 | |
| 1868 if (catal == NULL) | |
| 1869 return(NULL); | |
| 1870 | |
| 1871 if (URI == NULL) | |
| 1872 return(NULL); | |
| 1873 | |
| 1874 if (catal->depth > MAX_CATAL_DEPTH) { | |
| 1875 xmlCatalogErr(catal, NULL, XML_CATALOG_RECURSION, | |
| 1876 "Detected recursion in catalog %s\n", | |
| 1877 catal->name, NULL, NULL); | |
| 1878 return(NULL); | |
| 1879 } | |
| 1880 | |
| 1881 /* | |
| 1882 * First tries steps 2/ 3/ 4/ if a system ID is provided. | |
| 1883 */ | |
| 1884 cur = catal; | |
| 1885 haveDelegate = 0; | |
| 1886 while (cur != NULL) { | |
| 1887 switch (cur->type) { | |
| 1888 case XML_CATA_URI: | |
| 1889 if (xmlStrEqual(URI, cur->name)) { | |
| 1890 if (xmlDebugCatalogs) | |
| 1891 xmlGenericError(xmlGenericErrorContext, | |
| 1892 "Found URI match %s\n", cur->name); | |
| 1893 return(xmlStrdup(cur->URL)); | |
| 1894 } | |
| 1895 break; | |
| 1896 case XML_CATA_REWRITE_URI: | |
| 1897 len = xmlStrlen(cur->name); | |
| 1898 if ((len > lenrewrite) && | |
| 1899 (!xmlStrncmp(URI, cur->name, len))) { | |
| 1900 lenrewrite = len; | |
| 1901 rewrite = cur; | |
| 1902 } | |
| 1903 break; | |
| 1904 case XML_CATA_DELEGATE_URI: | |
| 1905 if (!xmlStrncmp(URI, cur->name, xmlStrlen(cur->name))) | |
| 1906 haveDelegate++; | |
| 1907 break; | |
| 1908 case XML_CATA_NEXT_CATALOG: | |
| 1909 haveNext++; | |
| 1910 break; | |
| 1911 default: | |
| 1912 break; | |
| 1913 } | |
| 1914 cur = cur->next; | |
| 1915 } | |
| 1916 if (rewrite != NULL) { | |
| 1917 if (xmlDebugCatalogs) | |
| 1918 xmlGenericError(xmlGenericErrorContext, | |
| 1919 "Using rewriting rule %s\n", rewrite->name); | |
| 1920 ret = xmlStrdup(rewrite->URL); | |
| 1921 if (ret != NULL) | |
| 1922 ret = xmlStrcat(ret, &URI[lenrewrite]); | |
| 1923 return(ret); | |
| 1924 } | |
| 1925 if (haveDelegate) { | |
| 1926 const xmlChar *delegates[MAX_DELEGATE]; | |
| 1927 int nbList = 0, i; | |
| 1928 | |
| 1929 /* | |
| 1930 * Assume the entries have been sorted by decreasing substring | |
| 1931 * matches when the list was produced. | |
| 1932 */ | |
| 1933 cur = catal; | |
| 1934 while (cur != NULL) { | |
| 1935 if (((cur->type == XML_CATA_DELEGATE_SYSTEM) || | |
| 1936 (cur->type == XML_CATA_DELEGATE_URI)) && | |
| 1937 (!xmlStrncmp(URI, cur->name, xmlStrlen(cur->name)))) { | |
| 1938 for (i = 0;i < nbList;i++) | |
| 1939 if (xmlStrEqual(cur->URL, delegates[i])) | |
| 1940 break; | |
| 1941 if (i < nbList) { | |
| 1942 cur = cur->next; | |
| 1943 continue; | |
| 1944 } | |
| 1945 if (nbList < MAX_DELEGATE) | |
| 1946 delegates[nbList++] = cur->URL; | |
| 1947 | |
| 1948 if (cur->children == NULL) { | |
| 1949 xmlFetchXMLCatalogFile(cur); | |
| 1950 } | |
| 1951 if (cur->children != NULL) { | |
| 1952 if (xmlDebugCatalogs) | |
| 1953 xmlGenericError(xmlGenericErrorContext, | |
| 1954 "Trying URI delegate %s\n", cur->URL); | |
| 1955 ret = xmlCatalogListXMLResolveURI( | |
| 1956 cur->children, URI); | |
| 1957 if (ret != NULL) | |
| 1958 return(ret); | |
| 1959 } | |
| 1960 } | |
| 1961 cur = cur->next; | |
| 1962 } | |
| 1963 /* | |
| 1964 * Apply the cut algorithm explained in 4/ | |
| 1965 */ | |
| 1966 return(XML_CATAL_BREAK); | |
| 1967 } | |
| 1968 if (haveNext) { | |
| 1969 cur = catal; | |
| 1970 while (cur != NULL) { | |
| 1971 if (cur->type == XML_CATA_NEXT_CATALOG) { | |
| 1972 if (cur->children == NULL) { | |
| 1973 xmlFetchXMLCatalogFile(cur); | |
| 1974 } | |
| 1975 if (cur->children != NULL) { | |
| 1976 ret = xmlCatalogListXMLResolveURI(cur->children, URI); | |
| 1977 if (ret != NULL) | |
| 1978 return(ret); | |
| 1979 } | |
| 1980 } | |
| 1981 cur = cur->next; | |
| 1982 } | |
| 1983 } | |
| 1984 | |
| 1985 return(NULL); | |
| 1986 } | |
| 1987 | |
| 1988 /** | |
| 1989 * xmlCatalogListXMLResolve: | |
| 1990 * @catal: a catalog list | |
| 1991 * @pubID: the public ID string | |
| 1992 * @sysID: the system ID string | |
| 1993 * | |
| 1994 * Do a complete resolution lookup of an External Identifier for a | |
| 1995 * list of catalogs | |
| 1996 * | |
| 1997 * Implements (or tries to) 7.1. External Identifier Resolution | |
| 1998 * from http://www.oasis-open.org/committees/entity/spec-2001-08-06.html | |
| 1999 * | |
| 2000 * Returns the URI of the resource or NULL if not found | |
| 2001 */ | |
| 2002 static xmlChar * | |
| 2003 xmlCatalogListXMLResolve(xmlCatalogEntryPtr catal, const xmlChar *pubID, | |
| 2004 const xmlChar *sysID) { | |
| 2005 xmlChar *ret = NULL; | |
| 2006 xmlChar *urnID = NULL; | |
| 2007 xmlChar *normid; | |
| 2008 | |
| 2009 if (catal == NULL) | |
| 2010 return(NULL); | |
| 2011 if ((pubID == NULL) && (sysID == NULL)) | |
| 2012 return(NULL); | |
| 2013 | |
| 2014 normid = xmlCatalogNormalizePublic(pubID); | |
| 2015 if (normid != NULL) | |
| 2016 pubID = (*normid != 0 ? normid : NULL); | |
| 2017 | |
| 2018 if (!xmlStrncmp(pubID, BAD_CAST XML_URN_PUBID, sizeof(XML_URN_PUBID) - 1)) { | |
| 2019 urnID = xmlCatalogUnWrapURN(pubID); | |
| 2020 if (xmlDebugCatalogs) { | |
| 2021 if (urnID == NULL) | |
| 2022 xmlGenericError(xmlGenericErrorContext, | |
| 2023 "Public URN ID %s expanded to NULL\n", pubID); | |
| 2024 else | |
| 2025 xmlGenericError(xmlGenericErrorContext, | |
| 2026 "Public URN ID expanded to %s\n", urnID); | |
| 2027 } | |
| 2028 ret = xmlCatalogListXMLResolve(catal, urnID, sysID); | |
| 2029 if (urnID != NULL) | |
| 2030 xmlFree(urnID); | |
| 2031 if (normid != NULL) | |
| 2032 xmlFree(normid); | |
| 2033 return(ret); | |
| 2034 } | |
| 2035 if (!xmlStrncmp(sysID, BAD_CAST XML_URN_PUBID, sizeof(XML_URN_PUBID) - 1)) { | |
| 2036 urnID = xmlCatalogUnWrapURN(sysID); | |
| 2037 if (xmlDebugCatalogs) { | |
| 2038 if (urnID == NULL) | |
| 2039 xmlGenericError(xmlGenericErrorContext, | |
| 2040 "System URN ID %s expanded to NULL\n", sysID); | |
| 2041 else | |
| 2042 xmlGenericError(xmlGenericErrorContext, | |
| 2043 "System URN ID expanded to %s\n", urnID); | |
| 2044 } | |
| 2045 if (pubID == NULL) | |
| 2046 ret = xmlCatalogListXMLResolve(catal, urnID, NULL); | |
| 2047 else if (xmlStrEqual(pubID, urnID)) | |
| 2048 ret = xmlCatalogListXMLResolve(catal, pubID, NULL); | |
| 2049 else { | |
| 2050 ret = xmlCatalogListXMLResolve(catal, pubID, urnID); | |
| 2051 } | |
| 2052 if (urnID != NULL) | |
| 2053 xmlFree(urnID); | |
| 2054 if (normid != NULL) | |
| 2055 xmlFree(normid); | |
| 2056 return(ret); | |
| 2057 } | |
| 2058 while (catal != NULL) { | |
| 2059 if (catal->type == XML_CATA_CATALOG) { | |
| 2060 if (catal->children == NULL) { | |
| 2061 xmlFetchXMLCatalogFile(catal); | |
| 2062 } | |
| 2063 if (catal->children != NULL) { | |
| 2064 ret = xmlCatalogXMLResolve(catal->children, pubID, sysID); | |
| 2065 if (ret != NULL) { | |
| 2066 break; | |
| 2067 } else if ((catal->children != NULL) && | |
| 2068 (catal->children->depth > MAX_CATAL_DEPTH)) { | |
| 2069 ret = NULL; | |
| 2070 break; | |
| 2071 } | |
| 2072 } | |
| 2073 } | |
| 2074 catal = catal->next; | |
| 2075 } | |
| 2076 if (normid != NULL) | |
| 2077 xmlFree(normid); | |
| 2078 return(ret); | |
| 2079 } | |
| 2080 | |
| 2081 /** | |
| 2082 * xmlCatalogListXMLResolveURI: | |
| 2083 * @catal: a catalog list | |
| 2084 * @URI: the URI | |
| 2085 * | |
| 2086 * Do a complete resolution lookup of an URI for a list of catalogs | |
| 2087 * | |
| 2088 * Implements (or tries to) 7.2. URI Resolution | |
| 2089 * from http://www.oasis-open.org/committees/entity/spec-2001-08-06.html | |
| 2090 * | |
| 2091 * Returns the URI of the resource or NULL if not found | |
| 2092 */ | |
| 2093 static xmlChar * | |
| 2094 xmlCatalogListXMLResolveURI(xmlCatalogEntryPtr catal, const xmlChar *URI) { | |
| 2095 xmlChar *ret = NULL; | |
| 2096 xmlChar *urnID = NULL; | |
| 2097 | |
| 2098 if (catal == NULL) | |
| 2099 return(NULL); | |
| 2100 if (URI == NULL) | |
| 2101 return(NULL); | |
| 2102 | |
| 2103 if (!xmlStrncmp(URI, BAD_CAST XML_URN_PUBID, sizeof(XML_URN_PUBID) - 1)) { | |
| 2104 urnID = xmlCatalogUnWrapURN(URI); | |
| 2105 if (xmlDebugCatalogs) { | |
| 2106 if (urnID == NULL) | |
| 2107 xmlGenericError(xmlGenericErrorContext, | |
| 2108 "URN ID %s expanded to NULL\n", URI); | |
| 2109 else | |
| 2110 xmlGenericError(xmlGenericErrorContext, | |
| 2111 "URN ID expanded to %s\n", urnID); | |
| 2112 } | |
| 2113 ret = xmlCatalogListXMLResolve(catal, urnID, NULL); | |
| 2114 if (urnID != NULL) | |
| 2115 xmlFree(urnID); | |
| 2116 return(ret); | |
| 2117 } | |
| 2118 while (catal != NULL) { | |
| 2119 if (catal->type == XML_CATA_CATALOG) { | |
| 2120 if (catal->children == NULL) { | |
| 2121 xmlFetchXMLCatalogFile(catal); | |
| 2122 } | |
| 2123 if (catal->children != NULL) { | |
| 2124 ret = xmlCatalogXMLResolveURI(catal->children, URI); | |
| 2125 if (ret != NULL) | |
| 2126 return(ret); | |
| 2127 } | |
| 2128 } | |
| 2129 catal = catal->next; | |
| 2130 } | |
| 2131 return(ret); | |
| 2132 } | |
| 2133 | |
| 2134 /************************************************************************ | |
| 2135 * * | |
| 2136 * The SGML Catalog parser * | |
| 2137 * * | |
| 2138 ************************************************************************/ | |
| 2139 | |
| 2140 | |
| 2141 #define RAW *cur | |
| 2142 #define NEXT cur++; | |
| 2143 #define SKIP(x) cur += x; | |
| 2144 | |
| 2145 #define SKIP_BLANKS while (IS_BLANK_CH(*cur)) NEXT; | |
| 2146 | |
| 2147 /** | |
| 2148 * xmlParseSGMLCatalogComment: | |
| 2149 * @cur: the current character | |
| 2150 * | |
| 2151 * Skip a comment in an SGML catalog | |
| 2152 * | |
| 2153 * Returns new current character | |
| 2154 */ | |
| 2155 static const xmlChar * | |
| 2156 xmlParseSGMLCatalogComment(const xmlChar *cur) { | |
| 2157 if ((cur[0] != '-') || (cur[1] != '-')) | |
| 2158 return(cur); | |
| 2159 SKIP(2); | |
| 2160 while ((cur[0] != 0) && ((cur[0] != '-') || ((cur[1] != '-')))) | |
| 2161 NEXT; | |
| 2162 if (cur[0] == 0) { | |
| 2163 return(NULL); | |
| 2164 } | |
| 2165 return(cur + 2); | |
| 2166 } | |
| 2167 | |
| 2168 /** | |
| 2169 * xmlParseSGMLCatalogPubid: | |
| 2170 * @cur: the current character | |
| 2171 * @id: the return location | |
| 2172 * | |
| 2173 * Parse an SGML catalog ID | |
| 2174 * | |
| 2175 * Returns new current character and store the value in @id | |
| 2176 */ | |
| 2177 static const xmlChar * | |
| 2178 xmlParseSGMLCatalogPubid(const xmlChar *cur, xmlChar **id) { | |
| 2179 xmlChar *buf = NULL, *tmp; | |
| 2180 int len = 0; | |
| 2181 int size = 50; | |
| 2182 xmlChar stop; | |
| 2183 int count = 0; | |
| 2184 | |
| 2185 *id = NULL; | |
| 2186 | |
| 2187 if (RAW == '"') { | |
| 2188 NEXT; | |
| 2189 stop = '"'; | |
| 2190 } else if (RAW == '\'') { | |
| 2191 NEXT; | |
| 2192 stop = '\''; | |
| 2193 } else { | |
| 2194 stop = ' '; | |
| 2195 } | |
| 2196 buf = (xmlChar *) xmlMallocAtomic(size * sizeof(xmlChar)); | |
| 2197 if (buf == NULL) { | |
| 2198 xmlCatalogErrMemory("allocating public ID"); | |
| 2199 return(NULL); | |
| 2200 } | |
| 2201 while (IS_PUBIDCHAR_CH(*cur) || (*cur == '?')) { | |
| 2202 if ((*cur == stop) && (stop != ' ')) | |
| 2203 break; | |
| 2204 if ((stop == ' ') && (IS_BLANK_CH(*cur))) | |
| 2205 break; | |
| 2206 if (len + 1 >= size) { | |
| 2207 size *= 2; | |
| 2208 tmp = (xmlChar *) xmlRealloc(buf, size * sizeof(xmlChar)); | |
| 2209 if (tmp == NULL) { | |
| 2210 xmlCatalogErrMemory("allocating public ID"); | |
| 2211 xmlFree(buf); | |
| 2212 return(NULL); | |
| 2213 } | |
| 2214 buf = tmp; | |
| 2215 } | |
| 2216 buf[len++] = *cur; | |
| 2217 count++; | |
| 2218 NEXT; | |
| 2219 } | |
| 2220 buf[len] = 0; | |
| 2221 if (stop == ' ') { | |
| 2222 if (!IS_BLANK_CH(*cur)) { | |
| 2223 xmlFree(buf); | |
| 2224 return(NULL); | |
| 2225 } | |
| 2226 } else { | |
| 2227 if (*cur != stop) { | |
| 2228 xmlFree(buf); | |
| 2229 return(NULL); | |
| 2230 } | |
| 2231 NEXT; | |
| 2232 } | |
| 2233 *id = buf; | |
| 2234 return(cur); | |
| 2235 } | |
| 2236 | |
| 2237 /** | |
| 2238 * xmlParseSGMLCatalogName: | |
| 2239 * @cur: the current character | |
| 2240 * @name: the return location | |
| 2241 * | |
| 2242 * Parse an SGML catalog name | |
| 2243 * | |
| 2244 * Returns new current character and store the value in @name | |
| 2245 */ | |
| 2246 static const xmlChar * | |
| 2247 xmlParseSGMLCatalogName(const xmlChar *cur, xmlChar **name) { | |
| 2248 xmlChar buf[XML_MAX_NAMELEN + 5]; | |
| 2249 int len = 0; | |
| 2250 int c; | |
| 2251 | |
| 2252 *name = NULL; | |
| 2253 | |
| 2254 /* | |
| 2255 * Handler for more complex cases | |
| 2256 */ | |
| 2257 c = *cur; | |
| 2258 if ((!IS_LETTER(c) && (c != '_') && (c != ':'))) { | |
| 2259 return(NULL); | |
| 2260 } | |
| 2261 | |
| 2262 while (((IS_LETTER(c)) || (IS_DIGIT(c)) || | |
| 2263 (c == '.') || (c == '-') || | |
| 2264 (c == '_') || (c == ':'))) { | |
| 2265 buf[len++] = c; | |
| 2266 cur++; | |
| 2267 c = *cur; | |
| 2268 if (len >= XML_MAX_NAMELEN) | |
| 2269 return(NULL); | |
| 2270 } | |
| 2271 *name = xmlStrndup(buf, len); | |
| 2272 return(cur); | |
| 2273 } | |
| 2274 | |
| 2275 /** | |
| 2276 * xmlGetSGMLCatalogEntryType: | |
| 2277 * @name: the entry name | |
| 2278 * | |
| 2279 * Get the Catalog entry type for a given SGML Catalog name | |
| 2280 * | |
| 2281 * Returns Catalog entry type | |
| 2282 */ | |
| 2283 static xmlCatalogEntryType | |
| 2284 xmlGetSGMLCatalogEntryType(const xmlChar *name) { | |
| 2285 xmlCatalogEntryType type = XML_CATA_NONE; | |
| 2286 if (xmlStrEqual(name, (const xmlChar *) "SYSTEM")) | |
| 2287 type = SGML_CATA_SYSTEM; | |
| 2288 else if (xmlStrEqual(name, (const xmlChar *) "PUBLIC")) | |
| 2289 type = SGML_CATA_PUBLIC; | |
| 2290 else if (xmlStrEqual(name, (const xmlChar *) "DELEGATE")) | |
| 2291 type = SGML_CATA_DELEGATE; | |
| 2292 else if (xmlStrEqual(name, (const xmlChar *) "ENTITY")) | |
| 2293 type = SGML_CATA_ENTITY; | |
| 2294 else if (xmlStrEqual(name, (const xmlChar *) "DOCTYPE")) | |
| 2295 type = SGML_CATA_DOCTYPE; | |
| 2296 else if (xmlStrEqual(name, (const xmlChar *) "LINKTYPE")) | |
| 2297 type = SGML_CATA_LINKTYPE; | |
| 2298 else if (xmlStrEqual(name, (const xmlChar *) "NOTATION")) | |
| 2299 type = SGML_CATA_NOTATION; | |
| 2300 else if (xmlStrEqual(name, (const xmlChar *) "SGMLDECL")) | |
| 2301 type = SGML_CATA_SGMLDECL; | |
| 2302 else if (xmlStrEqual(name, (const xmlChar *) "DOCUMENT")) | |
| 2303 type = SGML_CATA_DOCUMENT; | |
| 2304 else if (xmlStrEqual(name, (const xmlChar *) "CATALOG")) | |
| 2305 type = SGML_CATA_CATALOG; | |
| 2306 else if (xmlStrEqual(name, (const xmlChar *) "BASE")) | |
| 2307 type = SGML_CATA_BASE; | |
| 2308 return(type); | |
| 2309 } | |
| 2310 | |
| 2311 /** | |
| 2312 * xmlParseSGMLCatalog: | |
| 2313 * @catal: the SGML Catalog | |
| 2314 * @value: the content of the SGML Catalog serialization | |
| 2315 * @file: the filepath for the catalog | |
| 2316 * @super: should this be handled as a Super Catalog in which case | |
| 2317 * parsing is not recursive | |
| 2318 * | |
| 2319 * Parse an SGML catalog content and fill up the @catal hash table with | |
| 2320 * the new entries found. | |
| 2321 * | |
| 2322 * Returns 0 in case of success, -1 in case of error. | |
| 2323 */ | |
| 2324 static int | |
| 2325 xmlParseSGMLCatalog(xmlCatalogPtr catal, const xmlChar *value, | |
| 2326 const char *file, int super) { | |
| 2327 const xmlChar *cur = value; | |
| 2328 xmlChar *base = NULL; | |
| 2329 int res; | |
| 2330 | |
| 2331 if ((cur == NULL) || (file == NULL)) | |
| 2332 return(-1); | |
| 2333 base = xmlStrdup((const xmlChar *) file); | |
| 2334 | |
| 2335 while ((cur != NULL) && (cur[0] != 0)) { | |
| 2336 SKIP_BLANKS; | |
| 2337 if (cur[0] == 0) | |
| 2338 break; | |
| 2339 if ((cur[0] == '-') && (cur[1] == '-')) { | |
| 2340 cur = xmlParseSGMLCatalogComment(cur); | |
| 2341 if (cur == NULL) { | |
| 2342 /* error */ | |
| 2343 break; | |
| 2344 } | |
| 2345 } else { | |
| 2346 xmlChar *sysid = NULL; | |
| 2347 xmlChar *name = NULL; | |
| 2348 xmlCatalogEntryType type = XML_CATA_NONE; | |
| 2349 | |
| 2350 cur = xmlParseSGMLCatalogName(cur, &name); | |
| 2351 if (name == NULL) { | |
| 2352 /* error */ | |
| 2353 break; | |
| 2354 } | |
| 2355 if (!IS_BLANK_CH(*cur)) { | |
| 2356 /* error */ | |
| 2357 break; | |
| 2358 } | |
| 2359 SKIP_BLANKS; | |
| 2360 if (xmlStrEqual(name, (const xmlChar *) "SYSTEM")) | |
| 2361 type = SGML_CATA_SYSTEM; | |
| 2362 else if (xmlStrEqual(name, (const xmlChar *) "PUBLIC")) | |
| 2363 type = SGML_CATA_PUBLIC; | |
| 2364 else if (xmlStrEqual(name, (const xmlChar *) "DELEGATE")) | |
| 2365 type = SGML_CATA_DELEGATE; | |
| 2366 else if (xmlStrEqual(name, (const xmlChar *) "ENTITY")) | |
| 2367 type = SGML_CATA_ENTITY; | |
| 2368 else if (xmlStrEqual(name, (const xmlChar *) "DOCTYPE")) | |
| 2369 type = SGML_CATA_DOCTYPE; | |
| 2370 else if (xmlStrEqual(name, (const xmlChar *) "LINKTYPE")) | |
| 2371 type = SGML_CATA_LINKTYPE; | |
| 2372 else if (xmlStrEqual(name, (const xmlChar *) "NOTATION")) | |
| 2373 type = SGML_CATA_NOTATION; | |
| 2374 else if (xmlStrEqual(name, (const xmlChar *) "SGMLDECL")) | |
| 2375 type = SGML_CATA_SGMLDECL; | |
| 2376 else if (xmlStrEqual(name, (const xmlChar *) "DOCUMENT")) | |
| 2377 type = SGML_CATA_DOCUMENT; | |
| 2378 else if (xmlStrEqual(name, (const xmlChar *) "CATALOG")) | |
| 2379 type = SGML_CATA_CATALOG; | |
| 2380 else if (xmlStrEqual(name, (const xmlChar *) "BASE")) | |
| 2381 type = SGML_CATA_BASE; | |
| 2382 else if (xmlStrEqual(name, (const xmlChar *) "OVERRIDE")) { | |
| 2383 xmlFree(name); | |
| 2384 cur = xmlParseSGMLCatalogName(cur, &name); | |
| 2385 if (name == NULL) { | |
| 2386 /* error */ | |
| 2387 break; | |
| 2388 } | |
| 2389 xmlFree(name); | |
| 2390 continue; | |
| 2391 } | |
| 2392 xmlFree(name); | |
| 2393 name = NULL; | |
| 2394 | |
| 2395 switch(type) { | |
| 2396 case SGML_CATA_ENTITY: | |
| 2397 if (*cur == '%') | |
| 2398 type = SGML_CATA_PENTITY; | |
| 2399 case SGML_CATA_PENTITY: | |
| 2400 case SGML_CATA_DOCTYPE: | |
| 2401 case SGML_CATA_LINKTYPE: | |
| 2402 case SGML_CATA_NOTATION: | |
| 2403 cur = xmlParseSGMLCatalogName(cur, &name); | |
| 2404 if (cur == NULL) { | |
| 2405 /* error */ | |
| 2406 break; | |
| 2407 } | |
| 2408 if (!IS_BLANK_CH(*cur)) { | |
| 2409 /* error */ | |
| 2410 break; | |
| 2411 } | |
| 2412 SKIP_BLANKS; | |
| 2413 cur = xmlParseSGMLCatalogPubid(cur, &sysid); | |
| 2414 if (cur == NULL) { | |
| 2415 /* error */ | |
| 2416 break; | |
| 2417 } | |
| 2418 break; | |
| 2419 case SGML_CATA_PUBLIC: | |
| 2420 case SGML_CATA_SYSTEM: | |
| 2421 case SGML_CATA_DELEGATE: | |
| 2422 cur = xmlParseSGMLCatalogPubid(cur, &name); | |
| 2423 if (cur == NULL) { | |
| 2424 /* error */ | |
| 2425 break; | |
| 2426 } | |
| 2427 if (type != SGML_CATA_SYSTEM) { | |
| 2428 xmlChar *normid; | |
| 2429 | |
| 2430 normid = xmlCatalogNormalizePublic(name); | |
| 2431 if (normid != NULL) { | |
| 2432 if (name != NULL) | |
| 2433 xmlFree(name); | |
| 2434 if (*normid != 0) | |
| 2435 name = normid; | |
| 2436 else { | |
| 2437 xmlFree(normid); | |
| 2438 name = NULL; | |
| 2439 } | |
| 2440 } | |
| 2441 } | |
| 2442 if (!IS_BLANK_CH(*cur)) { | |
| 2443 /* error */ | |
| 2444 break; | |
| 2445 } | |
| 2446 SKIP_BLANKS; | |
| 2447 cur = xmlParseSGMLCatalogPubid(cur, &sysid); | |
| 2448 if (cur == NULL) { | |
| 2449 /* error */ | |
| 2450 break; | |
| 2451 } | |
| 2452 break; | |
| 2453 case SGML_CATA_BASE: | |
| 2454 case SGML_CATA_CATALOG: | |
| 2455 case SGML_CATA_DOCUMENT: | |
| 2456 case SGML_CATA_SGMLDECL: | |
| 2457 cur = xmlParseSGMLCatalogPubid(cur, &sysid); | |
| 2458 if (cur == NULL) { | |
| 2459 /* error */ | |
| 2460 break; | |
| 2461 } | |
| 2462 break; | |
| 2463 default: | |
| 2464 break; | |
| 2465 } | |
| 2466 if (cur == NULL) { | |
| 2467 if (name != NULL) | |
| 2468 xmlFree(name); | |
| 2469 if (sysid != NULL) | |
| 2470 xmlFree(sysid); | |
| 2471 break; | |
| 2472 } else if (type == SGML_CATA_BASE) { | |
| 2473 if (base != NULL) | |
| 2474 xmlFree(base); | |
| 2475 base = xmlStrdup(sysid); | |
| 2476 } else if ((type == SGML_CATA_PUBLIC) || | |
| 2477 (type == SGML_CATA_SYSTEM)) { | |
| 2478 xmlChar *filename; | |
| 2479 | |
| 2480 filename = xmlBuildURI(sysid, base); | |
| 2481 if (filename != NULL) { | |
| 2482 xmlCatalogEntryPtr entry; | |
| 2483 | |
| 2484 entry = xmlNewCatalogEntry(type, name, filename, | |
| 2485 NULL, XML_CATA_PREFER_NONE, NULL)
; | |
| 2486 res = xmlHashAddEntry(catal->sgml, name, entry); | |
| 2487 if (res < 0) { | |
| 2488 xmlFreeCatalogEntry(entry); | |
| 2489 } | |
| 2490 xmlFree(filename); | |
| 2491 } | |
| 2492 | |
| 2493 } else if (type == SGML_CATA_CATALOG) { | |
| 2494 if (super) { | |
| 2495 xmlCatalogEntryPtr entry; | |
| 2496 | |
| 2497 entry = xmlNewCatalogEntry(type, sysid, NULL, NULL, | |
| 2498 XML_CATA_PREFER_NONE, NULL); | |
| 2499 res = xmlHashAddEntry(catal->sgml, sysid, entry); | |
| 2500 if (res < 0) { | |
| 2501 xmlFreeCatalogEntry(entry); | |
| 2502 } | |
| 2503 } else { | |
| 2504 xmlChar *filename; | |
| 2505 | |
| 2506 filename = xmlBuildURI(sysid, base); | |
| 2507 if (filename != NULL) { | |
| 2508 xmlExpandCatalog(catal, (const char *)filename); | |
| 2509 xmlFree(filename); | |
| 2510 } | |
| 2511 } | |
| 2512 } | |
| 2513 /* | |
| 2514 * drop anything else we won't handle it | |
| 2515 */ | |
| 2516 if (name != NULL) | |
| 2517 xmlFree(name); | |
| 2518 if (sysid != NULL) | |
| 2519 xmlFree(sysid); | |
| 2520 } | |
| 2521 } | |
| 2522 if (base != NULL) | |
| 2523 xmlFree(base); | |
| 2524 if (cur == NULL) | |
| 2525 return(-1); | |
| 2526 return(0); | |
| 2527 } | |
| 2528 | |
| 2529 /************************************************************************ | |
| 2530 * * | |
| 2531 * SGML Catalog handling * | |
| 2532 * * | |
| 2533 ************************************************************************/ | |
| 2534 | |
| 2535 /** | |
| 2536 * xmlCatalogGetSGMLPublic: | |
| 2537 * @catal: an SGML catalog hash | |
| 2538 * @pubID: the public ID string | |
| 2539 * | |
| 2540 * Try to lookup the catalog local reference associated to a public ID | |
| 2541 * | |
| 2542 * Returns the local resource if found or NULL otherwise. | |
| 2543 */ | |
| 2544 static const xmlChar * | |
| 2545 xmlCatalogGetSGMLPublic(xmlHashTablePtr catal, const xmlChar *pubID) { | |
| 2546 xmlCatalogEntryPtr entry; | |
| 2547 xmlChar *normid; | |
| 2548 | |
| 2549 if (catal == NULL) | |
| 2550 return(NULL); | |
| 2551 | |
| 2552 normid = xmlCatalogNormalizePublic(pubID); | |
| 2553 if (normid != NULL) | |
| 2554 pubID = (*normid != 0 ? normid : NULL); | |
| 2555 | |
| 2556 entry = (xmlCatalogEntryPtr) xmlHashLookup(catal, pubID); | |
| 2557 if (entry == NULL) { | |
| 2558 if (normid != NULL) | |
| 2559 xmlFree(normid); | |
| 2560 return(NULL); | |
| 2561 } | |
| 2562 if (entry->type == SGML_CATA_PUBLIC) { | |
| 2563 if (normid != NULL) | |
| 2564 xmlFree(normid); | |
| 2565 return(entry->URL); | |
| 2566 } | |
| 2567 if (normid != NULL) | |
| 2568 xmlFree(normid); | |
| 2569 return(NULL); | |
| 2570 } | |
| 2571 | |
| 2572 /** | |
| 2573 * xmlCatalogGetSGMLSystem: | |
| 2574 * @catal: an SGML catalog hash | |
| 2575 * @sysID: the system ID string | |
| 2576 * | |
| 2577 * Try to lookup the catalog local reference for a system ID | |
| 2578 * | |
| 2579 * Returns the local resource if found or NULL otherwise. | |
| 2580 */ | |
| 2581 static const xmlChar * | |
| 2582 xmlCatalogGetSGMLSystem(xmlHashTablePtr catal, const xmlChar *sysID) { | |
| 2583 xmlCatalogEntryPtr entry; | |
| 2584 | |
| 2585 if (catal == NULL) | |
| 2586 return(NULL); | |
| 2587 | |
| 2588 entry = (xmlCatalogEntryPtr) xmlHashLookup(catal, sysID); | |
| 2589 if (entry == NULL) | |
| 2590 return(NULL); | |
| 2591 if (entry->type == SGML_CATA_SYSTEM) | |
| 2592 return(entry->URL); | |
| 2593 return(NULL); | |
| 2594 } | |
| 2595 | |
| 2596 /** | |
| 2597 * xmlCatalogSGMLResolve: | |
| 2598 * @catal: the SGML catalog | |
| 2599 * @pubID: the public ID string | |
| 2600 * @sysID: the system ID string | |
| 2601 * | |
| 2602 * Do a complete resolution lookup of an External Identifier | |
| 2603 * | |
| 2604 * Returns the URI of the resource or NULL if not found | |
| 2605 */ | |
| 2606 static const xmlChar * | |
| 2607 xmlCatalogSGMLResolve(xmlCatalogPtr catal, const xmlChar *pubID, | |
| 2608 const xmlChar *sysID) { | |
| 2609 const xmlChar *ret = NULL; | |
| 2610 | |
| 2611 if (catal->sgml == NULL) | |
| 2612 return(NULL); | |
| 2613 | |
| 2614 if (pubID != NULL) | |
| 2615 ret = xmlCatalogGetSGMLPublic(catal->sgml, pubID); | |
| 2616 if (ret != NULL) | |
| 2617 return(ret); | |
| 2618 if (sysID != NULL) | |
| 2619 ret = xmlCatalogGetSGMLSystem(catal->sgml, sysID); | |
| 2620 if (ret != NULL) | |
| 2621 return(ret); | |
| 2622 return(NULL); | |
| 2623 } | |
| 2624 | |
| 2625 /************************************************************************ | |
| 2626 * * | |
| 2627 * Specific Public interfaces * | |
| 2628 * * | |
| 2629 ************************************************************************/ | |
| 2630 | |
| 2631 /** | |
| 2632 * xmlLoadSGMLSuperCatalog: | |
| 2633 * @filename: a file path | |
| 2634 * | |
| 2635 * Load an SGML super catalog. It won't expand CATALOG or DELEGATE | |
| 2636 * references. This is only needed for manipulating SGML Super Catalogs | |
| 2637 * like adding and removing CATALOG or DELEGATE entries. | |
| 2638 * | |
| 2639 * Returns the catalog parsed or NULL in case of error | |
| 2640 */ | |
| 2641 xmlCatalogPtr | |
| 2642 xmlLoadSGMLSuperCatalog(const char *filename) | |
| 2643 { | |
| 2644 xmlChar *content; | |
| 2645 xmlCatalogPtr catal; | |
| 2646 int ret; | |
| 2647 | |
| 2648 content = xmlLoadFileContent(filename); | |
| 2649 if (content == NULL) | |
| 2650 return(NULL); | |
| 2651 | |
| 2652 catal = xmlCreateNewCatalog(XML_SGML_CATALOG_TYPE, xmlCatalogDefaultPrefer); | |
| 2653 if (catal == NULL) { | |
| 2654 xmlFree(content); | |
| 2655 return(NULL); | |
| 2656 } | |
| 2657 | |
| 2658 ret = xmlParseSGMLCatalog(catal, content, filename, 1); | |
| 2659 xmlFree(content); | |
| 2660 if (ret < 0) { | |
| 2661 xmlFreeCatalog(catal); | |
| 2662 return(NULL); | |
| 2663 } | |
| 2664 return (catal); | |
| 2665 } | |
| 2666 | |
| 2667 /** | |
| 2668 * xmlLoadACatalog: | |
| 2669 * @filename: a file path | |
| 2670 * | |
| 2671 * Load the catalog and build the associated data structures. | |
| 2672 * This can be either an XML Catalog or an SGML Catalog | |
| 2673 * It will recurse in SGML CATALOG entries. On the other hand XML | |
| 2674 * Catalogs are not handled recursively. | |
| 2675 * | |
| 2676 * Returns the catalog parsed or NULL in case of error | |
| 2677 */ | |
| 2678 xmlCatalogPtr | |
| 2679 xmlLoadACatalog(const char *filename) | |
| 2680 { | |
| 2681 xmlChar *content; | |
| 2682 xmlChar *first; | |
| 2683 xmlCatalogPtr catal; | |
| 2684 int ret; | |
| 2685 | |
| 2686 content = xmlLoadFileContent(filename); | |
| 2687 if (content == NULL) | |
| 2688 return(NULL); | |
| 2689 | |
| 2690 | |
| 2691 first = content; | |
| 2692 | |
| 2693 while ((*first != 0) && (*first != '-') && (*first != '<') && | |
| 2694 (!(((*first >= 'A') && (*first <= 'Z')) || | |
| 2695 ((*first >= 'a') && (*first <= 'z'))))) | |
| 2696 first++; | |
| 2697 | |
| 2698 if (*first != '<') { | |
| 2699 catal = xmlCreateNewCatalog(XML_SGML_CATALOG_TYPE, xmlCatalogDefaultPref
er); | |
| 2700 if (catal == NULL) { | |
| 2701 xmlFree(content); | |
| 2702 return(NULL); | |
| 2703 } | |
| 2704 ret = xmlParseSGMLCatalog(catal, content, filename, 0); | |
| 2705 if (ret < 0) { | |
| 2706 xmlFreeCatalog(catal); | |
| 2707 xmlFree(content); | |
| 2708 return(NULL); | |
| 2709 } | |
| 2710 } else { | |
| 2711 catal = xmlCreateNewCatalog(XML_XML_CATALOG_TYPE, xmlCatalogDefaultPrefe
r); | |
| 2712 if (catal == NULL) { | |
| 2713 xmlFree(content); | |
| 2714 return(NULL); | |
| 2715 } | |
| 2716 catal->xml = xmlNewCatalogEntry(XML_CATA_CATALOG, NULL, | |
| 2717 NULL, BAD_CAST filename, xmlCatalogDefaultPrefer, NULL); | |
| 2718 } | |
| 2719 xmlFree(content); | |
| 2720 return (catal); | |
| 2721 } | |
| 2722 | |
| 2723 /** | |
| 2724 * xmlExpandCatalog: | |
| 2725 * @catal: a catalog | |
| 2726 * @filename: a file path | |
| 2727 * | |
| 2728 * Load the catalog and expand the existing catal structure. | |
| 2729 * This can be either an XML Catalog or an SGML Catalog | |
| 2730 * | |
| 2731 * Returns 0 in case of success, -1 in case of error | |
| 2732 */ | |
| 2733 static int | |
| 2734 xmlExpandCatalog(xmlCatalogPtr catal, const char *filename) | |
| 2735 { | |
| 2736 int ret; | |
| 2737 | |
| 2738 if ((catal == NULL) || (filename == NULL)) | |
| 2739 return(-1); | |
| 2740 | |
| 2741 | |
| 2742 if (catal->type == XML_SGML_CATALOG_TYPE) { | |
| 2743 xmlChar *content; | |
| 2744 | |
| 2745 content = xmlLoadFileContent(filename); | |
| 2746 if (content == NULL) | |
| 2747 return(-1); | |
| 2748 | |
| 2749 ret = xmlParseSGMLCatalog(catal, content, filename, 0); | |
| 2750 if (ret < 0) { | |
| 2751 xmlFree(content); | |
| 2752 return(-1); | |
| 2753 } | |
| 2754 xmlFree(content); | |
| 2755 } else { | |
| 2756 xmlCatalogEntryPtr tmp, cur; | |
| 2757 tmp = xmlNewCatalogEntry(XML_CATA_CATALOG, NULL, | |
| 2758 NULL, BAD_CAST filename, xmlCatalogDefaultPrefer, NULL); | |
| 2759 | |
| 2760 cur = catal->xml; | |
| 2761 if (cur == NULL) { | |
| 2762 catal->xml = tmp; | |
| 2763 } else { | |
| 2764 while (cur->next != NULL) cur = cur->next; | |
| 2765 cur->next = tmp; | |
| 2766 } | |
| 2767 } | |
| 2768 return (0); | |
| 2769 } | |
| 2770 | |
| 2771 /** | |
| 2772 * xmlACatalogResolveSystem: | |
| 2773 * @catal: a Catalog | |
| 2774 * @sysID: the system ID string | |
| 2775 * | |
| 2776 * Try to lookup the catalog resource for a system ID | |
| 2777 * | |
| 2778 * Returns the resource if found or NULL otherwise, the value returned | |
| 2779 * must be freed by the caller. | |
| 2780 */ | |
| 2781 xmlChar * | |
| 2782 xmlACatalogResolveSystem(xmlCatalogPtr catal, const xmlChar *sysID) { | |
| 2783 xmlChar *ret = NULL; | |
| 2784 | |
| 2785 if ((sysID == NULL) || (catal == NULL)) | |
| 2786 return(NULL); | |
| 2787 | |
| 2788 if (xmlDebugCatalogs) | |
| 2789 xmlGenericError(xmlGenericErrorContext, | |
| 2790 "Resolve sysID %s\n", sysID); | |
| 2791 | |
| 2792 if (catal->type == XML_XML_CATALOG_TYPE) { | |
| 2793 ret = xmlCatalogListXMLResolve(catal->xml, NULL, sysID); | |
| 2794 if (ret == XML_CATAL_BREAK) | |
| 2795 ret = NULL; | |
| 2796 } else { | |
| 2797 const xmlChar *sgml; | |
| 2798 | |
| 2799 sgml = xmlCatalogGetSGMLSystem(catal->sgml, sysID); | |
| 2800 if (sgml != NULL) | |
| 2801 ret = xmlStrdup(sgml); | |
| 2802 } | |
| 2803 return(ret); | |
| 2804 } | |
| 2805 | |
| 2806 /** | |
| 2807 * xmlACatalogResolvePublic: | |
| 2808 * @catal: a Catalog | |
| 2809 * @pubID: the public ID string | |
| 2810 * | |
| 2811 * Try to lookup the catalog local reference associated to a public ID in that c
atalog | |
| 2812 * | |
| 2813 * Returns the local resource if found or NULL otherwise, the value returned | |
| 2814 * must be freed by the caller. | |
| 2815 */ | |
| 2816 xmlChar * | |
| 2817 xmlACatalogResolvePublic(xmlCatalogPtr catal, const xmlChar *pubID) { | |
| 2818 xmlChar *ret = NULL; | |
| 2819 | |
| 2820 if ((pubID == NULL) || (catal == NULL)) | |
| 2821 return(NULL); | |
| 2822 | |
| 2823 if (xmlDebugCatalogs) | |
| 2824 xmlGenericError(xmlGenericErrorContext, | |
| 2825 "Resolve pubID %s\n", pubID); | |
| 2826 | |
| 2827 if (catal->type == XML_XML_CATALOG_TYPE) { | |
| 2828 ret = xmlCatalogListXMLResolve(catal->xml, pubID, NULL); | |
| 2829 if (ret == XML_CATAL_BREAK) | |
| 2830 ret = NULL; | |
| 2831 } else { | |
| 2832 const xmlChar *sgml; | |
| 2833 | |
| 2834 sgml = xmlCatalogGetSGMLPublic(catal->sgml, pubID); | |
| 2835 if (sgml != NULL) | |
| 2836 ret = xmlStrdup(sgml); | |
| 2837 } | |
| 2838 return(ret); | |
| 2839 } | |
| 2840 | |
| 2841 /** | |
| 2842 * xmlACatalogResolve: | |
| 2843 * @catal: a Catalog | |
| 2844 * @pubID: the public ID string | |
| 2845 * @sysID: the system ID string | |
| 2846 * | |
| 2847 * Do a complete resolution lookup of an External Identifier | |
| 2848 * | |
| 2849 * Returns the URI of the resource or NULL if not found, it must be freed | |
| 2850 * by the caller. | |
| 2851 */ | |
| 2852 xmlChar * | |
| 2853 xmlACatalogResolve(xmlCatalogPtr catal, const xmlChar * pubID, | |
| 2854 const xmlChar * sysID) | |
| 2855 { | |
| 2856 xmlChar *ret = NULL; | |
| 2857 | |
| 2858 if (((pubID == NULL) && (sysID == NULL)) || (catal == NULL)) | |
| 2859 return (NULL); | |
| 2860 | |
| 2861 if (xmlDebugCatalogs) { | |
| 2862 if ((pubID != NULL) && (sysID != NULL)) { | |
| 2863 xmlGenericError(xmlGenericErrorContext, | |
| 2864 "Resolve: pubID %s sysID %s\n", pubID, sysID); | |
| 2865 } else if (pubID != NULL) { | |
| 2866 xmlGenericError(xmlGenericErrorContext, | |
| 2867 "Resolve: pubID %s\n", pubID); | |
| 2868 } else { | |
| 2869 xmlGenericError(xmlGenericErrorContext, | |
| 2870 "Resolve: sysID %s\n", sysID); | |
| 2871 } | |
| 2872 } | |
| 2873 | |
| 2874 if (catal->type == XML_XML_CATALOG_TYPE) { | |
| 2875 ret = xmlCatalogListXMLResolve(catal->xml, pubID, sysID); | |
| 2876 if (ret == XML_CATAL_BREAK) | |
| 2877 ret = NULL; | |
| 2878 } else { | |
| 2879 const xmlChar *sgml; | |
| 2880 | |
| 2881 sgml = xmlCatalogSGMLResolve(catal, pubID, sysID); | |
| 2882 if (sgml != NULL) | |
| 2883 ret = xmlStrdup(sgml); | |
| 2884 } | |
| 2885 return (ret); | |
| 2886 } | |
| 2887 | |
| 2888 /** | |
| 2889 * xmlACatalogResolveURI: | |
| 2890 * @catal: a Catalog | |
| 2891 * @URI: the URI | |
| 2892 * | |
| 2893 * Do a complete resolution lookup of an URI | |
| 2894 * | |
| 2895 * Returns the URI of the resource or NULL if not found, it must be freed | |
| 2896 * by the caller. | |
| 2897 */ | |
| 2898 xmlChar * | |
| 2899 xmlACatalogResolveURI(xmlCatalogPtr catal, const xmlChar *URI) { | |
| 2900 xmlChar *ret = NULL; | |
| 2901 | |
| 2902 if ((URI == NULL) || (catal == NULL)) | |
| 2903 return(NULL); | |
| 2904 | |
| 2905 if (xmlDebugCatalogs) | |
| 2906 xmlGenericError(xmlGenericErrorContext, | |
| 2907 "Resolve URI %s\n", URI); | |
| 2908 | |
| 2909 if (catal->type == XML_XML_CATALOG_TYPE) { | |
| 2910 ret = xmlCatalogListXMLResolveURI(catal->xml, URI); | |
| 2911 if (ret == XML_CATAL_BREAK) | |
| 2912 ret = NULL; | |
| 2913 } else { | |
| 2914 const xmlChar *sgml; | |
| 2915 | |
| 2916 sgml = xmlCatalogSGMLResolve(catal, NULL, URI); | |
| 2917 if (sgml != NULL) | |
| 2918 ret = xmlStrdup(sgml); | |
| 2919 } | |
| 2920 return(ret); | |
| 2921 } | |
| 2922 | |
| 2923 #ifdef LIBXML_OUTPUT_ENABLED | |
| 2924 /** | |
| 2925 * xmlACatalogDump: | |
| 2926 * @catal: a Catalog | |
| 2927 * @out: the file. | |
| 2928 * | |
| 2929 * Dump the given catalog to the given file. | |
| 2930 */ | |
| 2931 void | |
| 2932 xmlACatalogDump(xmlCatalogPtr catal, FILE *out) { | |
| 2933 if ((out == NULL) || (catal == NULL)) | |
| 2934 return; | |
| 2935 | |
| 2936 if (catal->type == XML_XML_CATALOG_TYPE) { | |
| 2937 xmlDumpXMLCatalog(out, catal->xml); | |
| 2938 } else { | |
| 2939 xmlHashScan(catal->sgml, | |
| 2940 (xmlHashScanner) xmlCatalogDumpEntry, out); | |
| 2941 } | |
| 2942 } | |
| 2943 #endif /* LIBXML_OUTPUT_ENABLED */ | |
| 2944 | |
| 2945 /** | |
| 2946 * xmlACatalogAdd: | |
| 2947 * @catal: a Catalog | |
| 2948 * @type: the type of record to add to the catalog | |
| 2949 * @orig: the system, public or prefix to match | |
| 2950 * @replace: the replacement value for the match | |
| 2951 * | |
| 2952 * Add an entry in the catalog, it may overwrite existing but | |
| 2953 * different entries. | |
| 2954 * | |
| 2955 * Returns 0 if successful, -1 otherwise | |
| 2956 */ | |
| 2957 int | |
| 2958 xmlACatalogAdd(xmlCatalogPtr catal, const xmlChar * type, | |
| 2959 const xmlChar * orig, const xmlChar * replace) | |
| 2960 { | |
| 2961 int res = -1; | |
| 2962 | |
| 2963 if (catal == NULL) | |
| 2964 return(-1); | |
| 2965 | |
| 2966 if (catal->type == XML_XML_CATALOG_TYPE) { | |
| 2967 res = xmlAddXMLCatalog(catal->xml, type, orig, replace); | |
| 2968 } else { | |
| 2969 xmlCatalogEntryType cattype; | |
| 2970 | |
| 2971 cattype = xmlGetSGMLCatalogEntryType(type); | |
| 2972 if (cattype != XML_CATA_NONE) { | |
| 2973 xmlCatalogEntryPtr entry; | |
| 2974 | |
| 2975 entry = xmlNewCatalogEntry(cattype, orig, replace, NULL, | |
| 2976 XML_CATA_PREFER_NONE, NULL); | |
| 2977 if (catal->sgml == NULL) | |
| 2978 catal->sgml = xmlHashCreate(10); | |
| 2979 res = xmlHashAddEntry(catal->sgml, orig, entry); | |
| 2980 } | |
| 2981 } | |
| 2982 return (res); | |
| 2983 } | |
| 2984 | |
| 2985 /** | |
| 2986 * xmlACatalogRemove: | |
| 2987 * @catal: a Catalog | |
| 2988 * @value: the value to remove | |
| 2989 * | |
| 2990 * Remove an entry from the catalog | |
| 2991 * | |
| 2992 * Returns the number of entries removed if successful, -1 otherwise | |
| 2993 */ | |
| 2994 int | |
| 2995 xmlACatalogRemove(xmlCatalogPtr catal, const xmlChar *value) { | |
| 2996 int res = -1; | |
| 2997 | |
| 2998 if ((catal == NULL) || (value == NULL)) | |
| 2999 return(-1); | |
| 3000 | |
| 3001 if (catal->type == XML_XML_CATALOG_TYPE) { | |
| 3002 res = xmlDelXMLCatalog(catal->xml, value); | |
| 3003 } else { | |
| 3004 res = xmlHashRemoveEntry(catal->sgml, value, | |
| 3005 (xmlHashDeallocator) xmlFreeCatalogEntry); | |
| 3006 if (res == 0) | |
| 3007 res = 1; | |
| 3008 } | |
| 3009 return(res); | |
| 3010 } | |
| 3011 | |
| 3012 /** | |
| 3013 * xmlNewCatalog: | |
| 3014 * @sgml: should this create an SGML catalog | |
| 3015 * | |
| 3016 * create a new Catalog. | |
| 3017 * | |
| 3018 * Returns the xmlCatalogPtr or NULL in case of error | |
| 3019 */ | |
| 3020 xmlCatalogPtr | |
| 3021 xmlNewCatalog(int sgml) { | |
| 3022 xmlCatalogPtr catal = NULL; | |
| 3023 | |
| 3024 if (sgml) { | |
| 3025 catal = xmlCreateNewCatalog(XML_SGML_CATALOG_TYPE, | |
| 3026 xmlCatalogDefaultPrefer); | |
| 3027 if ((catal != NULL) && (catal->sgml == NULL)) | |
| 3028 catal->sgml = xmlHashCreate(10); | |
| 3029 } else | |
| 3030 catal = xmlCreateNewCatalog(XML_XML_CATALOG_TYPE, | |
| 3031 xmlCatalogDefaultPrefer); | |
| 3032 return(catal); | |
| 3033 } | |
| 3034 | |
| 3035 /** | |
| 3036 * xmlCatalogIsEmpty: | |
| 3037 * @catal: should this create an SGML catalog | |
| 3038 * | |
| 3039 * Check is a catalog is empty | |
| 3040 * | |
| 3041 * Returns 1 if the catalog is empty, 0 if not, amd -1 in case of error. | |
| 3042 */ | |
| 3043 int | |
| 3044 xmlCatalogIsEmpty(xmlCatalogPtr catal) { | |
| 3045 if (catal == NULL) | |
| 3046 return(-1); | |
| 3047 | |
| 3048 if (catal->type == XML_XML_CATALOG_TYPE) { | |
| 3049 if (catal->xml == NULL) | |
| 3050 return(1); | |
| 3051 if ((catal->xml->type != XML_CATA_CATALOG) && | |
| 3052 (catal->xml->type != XML_CATA_BROKEN_CATALOG)) | |
| 3053 return(-1); | |
| 3054 if (catal->xml->children == NULL) | |
| 3055 return(1); | |
| 3056 return(0); | |
| 3057 } else { | |
| 3058 int res; | |
| 3059 | |
| 3060 if (catal->sgml == NULL) | |
| 3061 return(1); | |
| 3062 res = xmlHashSize(catal->sgml); | |
| 3063 if (res == 0) | |
| 3064 return(1); | |
| 3065 if (res < 0) | |
| 3066 return(-1); | |
| 3067 } | |
| 3068 return(0); | |
| 3069 } | |
| 3070 | |
| 3071 /************************************************************************ | |
| 3072 * * | |
| 3073 * Public interfaces manipulating the global shared default catalog * | |
| 3074 * * | |
| 3075 ************************************************************************/ | |
| 3076 | |
| 3077 /** | |
| 3078 * xmlInitializeCatalogData: | |
| 3079 * | |
| 3080 * Do the catalog initialization only of global data, doesn't try to load | |
| 3081 * any catalog actually. | |
| 3082 * this function is not thread safe, catalog initialization should | |
| 3083 * preferably be done once at startup | |
| 3084 */ | |
| 3085 static void | |
| 3086 xmlInitializeCatalogData(void) { | |
| 3087 if (xmlCatalogInitialized != 0) | |
| 3088 return; | |
| 3089 | |
| 3090 if (getenv("XML_DEBUG_CATALOG")) | |
| 3091 xmlDebugCatalogs = 1; | |
| 3092 xmlCatalogMutex = xmlNewRMutex(); | |
| 3093 | |
| 3094 xmlCatalogInitialized = 1; | |
| 3095 } | |
| 3096 /** | |
| 3097 * xmlInitializeCatalog: | |
| 3098 * | |
| 3099 * Do the catalog initialization. | |
| 3100 * this function is not thread safe, catalog initialization should | |
| 3101 * preferably be done once at startup | |
| 3102 */ | |
| 3103 void | |
| 3104 xmlInitializeCatalog(void) { | |
| 3105 if (xmlCatalogInitialized != 0) | |
| 3106 return; | |
| 3107 | |
| 3108 xmlInitializeCatalogData(); | |
| 3109 xmlRMutexLock(xmlCatalogMutex); | |
| 3110 | |
| 3111 if (getenv("XML_DEBUG_CATALOG")) | |
| 3112 xmlDebugCatalogs = 1; | |
| 3113 | |
| 3114 if (xmlDefaultCatalog == NULL) { | |
| 3115 const char *catalogs; | |
| 3116 char *path; | |
| 3117 const char *cur, *paths; | |
| 3118 xmlCatalogPtr catal; | |
| 3119 xmlCatalogEntryPtr *nextent; | |
| 3120 | |
| 3121 catalogs = (const char *) getenv("XML_CATALOG_FILES"); | |
| 3122 if (catalogs == NULL) | |
| 3123 #if defined(_WIN32) && defined(_MSC_VER) | |
| 3124 { | |
| 3125 void* hmodule; | |
| 3126 hmodule = GetModuleHandleA("libxml2.dll"); | |
| 3127 if (hmodule == NULL) | |
| 3128 hmodule = GetModuleHandleA(NULL); | |
| 3129 if (hmodule != NULL) { | |
| 3130 char buf[256]; | |
| 3131 unsigned long len = GetModuleFileNameA(hmodule, buf, 255
); | |
| 3132 if (len != 0) { | |
| 3133 char* p = &(buf[len]); | |
| 3134 while (*p != '\\' && p > buf) | |
| 3135 p--; | |
| 3136 if (p != buf) { | |
| 3137 xmlChar* uri; | |
| 3138 strncpy(p, "\\..\\etc\\catalog", 255 - (
p - buf)); | |
| 3139 uri = xmlCanonicPath((const xmlChar*)buf
); | |
| 3140 if (uri != NULL) { | |
| 3141 strncpy(XML_XML_DEFAULT_CATALOG,
uri, 255); | |
| 3142 xmlFree(uri); | |
| 3143 } | |
| 3144 } | |
| 3145 } | |
| 3146 } | |
| 3147 catalogs = XML_XML_DEFAULT_CATALOG; | |
| 3148 } | |
| 3149 #else | |
| 3150 catalogs = XML_XML_DEFAULT_CATALOG; | |
| 3151 #endif | |
| 3152 | |
| 3153 catal = xmlCreateNewCatalog(XML_XML_CATALOG_TYPE, | |
| 3154 xmlCatalogDefaultPrefer); | |
| 3155 if (catal != NULL) { | |
| 3156 /* the XML_CATALOG_FILES envvar is allowed to contain a | |
| 3157 space-separated list of entries. */ | |
| 3158 cur = catalogs; | |
| 3159 nextent = &catal->xml; | |
| 3160 while (*cur != '\0') { | |
| 3161 while (xmlIsBlank_ch(*cur)) | |
| 3162 cur++; | |
| 3163 if (*cur != 0) { | |
| 3164 paths = cur; | |
| 3165 while ((*cur != 0) && (!xmlIsBlank_ch(*cur))) | |
| 3166 cur++; | |
| 3167 path = (char *) xmlStrndup((const xmlChar *)paths, cur - pat
hs); | |
| 3168 if (path != NULL) { | |
| 3169 *nextent = xmlNewCatalogEntry(XML_CATA_CATALOG, NULL, | |
| 3170 NULL, BAD_CAST path, xmlCatalogDefaultPrefer, NU
LL); | |
| 3171 if (*nextent != NULL) | |
| 3172 nextent = &((*nextent)->next); | |
| 3173 xmlFree(path); | |
| 3174 } | |
| 3175 } | |
| 3176 } | |
| 3177 xmlDefaultCatalog = catal; | |
| 3178 } | |
| 3179 } | |
| 3180 | |
| 3181 xmlRMutexUnlock(xmlCatalogMutex); | |
| 3182 } | |
| 3183 | |
| 3184 | |
| 3185 /** | |
| 3186 * xmlLoadCatalog: | |
| 3187 * @filename: a file path | |
| 3188 * | |
| 3189 * Load the catalog and makes its definitions effective for the default | |
| 3190 * external entity loader. It will recurse in SGML CATALOG entries. | |
| 3191 * this function is not thread safe, catalog initialization should | |
| 3192 * preferably be done once at startup | |
| 3193 * | |
| 3194 * Returns 0 in case of success -1 in case of error | |
| 3195 */ | |
| 3196 int | |
| 3197 xmlLoadCatalog(const char *filename) | |
| 3198 { | |
| 3199 int ret; | |
| 3200 xmlCatalogPtr catal; | |
| 3201 | |
| 3202 if (!xmlCatalogInitialized) | |
| 3203 xmlInitializeCatalogData(); | |
| 3204 | |
| 3205 xmlRMutexLock(xmlCatalogMutex); | |
| 3206 | |
| 3207 if (xmlDefaultCatalog == NULL) { | |
| 3208 catal = xmlLoadACatalog(filename); | |
| 3209 if (catal == NULL) { | |
| 3210 xmlRMutexUnlock(xmlCatalogMutex); | |
| 3211 return(-1); | |
| 3212 } | |
| 3213 | |
| 3214 xmlDefaultCatalog = catal; | |
| 3215 xmlRMutexUnlock(xmlCatalogMutex); | |
| 3216 return(0); | |
| 3217 } | |
| 3218 | |
| 3219 ret = xmlExpandCatalog(xmlDefaultCatalog, filename); | |
| 3220 xmlRMutexUnlock(xmlCatalogMutex); | |
| 3221 return(ret); | |
| 3222 } | |
| 3223 | |
| 3224 /** | |
| 3225 * xmlLoadCatalogs: | |
| 3226 * @pathss: a list of directories separated by a colon or a space. | |
| 3227 * | |
| 3228 * Load the catalogs and makes their definitions effective for the default | |
| 3229 * external entity loader. | |
| 3230 * this function is not thread safe, catalog initialization should | |
| 3231 * preferably be done once at startup | |
| 3232 */ | |
| 3233 void | |
| 3234 xmlLoadCatalogs(const char *pathss) { | |
| 3235 const char *cur; | |
| 3236 const char *paths; | |
| 3237 xmlChar *path; | |
| 3238 #ifdef _WIN32 | |
| 3239 int i, iLen; | |
| 3240 #endif | |
| 3241 | |
| 3242 if (pathss == NULL) | |
| 3243 return; | |
| 3244 | |
| 3245 cur = pathss; | |
| 3246 while (*cur != 0) { | |
| 3247 while (xmlIsBlank_ch(*cur)) cur++; | |
| 3248 if (*cur != 0) { | |
| 3249 paths = cur; | |
| 3250 while ((*cur != 0) && (*cur != PATH_SEPARATOR) && (!xmlIsBlank_ch(*c
ur))) | |
| 3251 cur++; | |
| 3252 path = xmlStrndup((const xmlChar *)paths, cur - paths); | |
| 3253 #ifdef _WIN32 | |
| 3254 iLen = strlen((const char*)path); | |
| 3255 for(i = 0; i < iLen; i++) { | |
| 3256 if(path[i] == '\\') { | |
| 3257 path[i] = '/'; | |
| 3258 } | |
| 3259 } | |
| 3260 #endif | |
| 3261 if (path != NULL) { | |
| 3262 xmlLoadCatalog((const char *) path); | |
| 3263 xmlFree(path); | |
| 3264 } | |
| 3265 } | |
| 3266 while (*cur == PATH_SEPARATOR) | |
| 3267 cur++; | |
| 3268 } | |
| 3269 } | |
| 3270 | |
| 3271 /** | |
| 3272 * xmlCatalogCleanup: | |
| 3273 * | |
| 3274 * Free up all the memory associated with catalogs | |
| 3275 */ | |
| 3276 void | |
| 3277 xmlCatalogCleanup(void) { | |
| 3278 if (xmlCatalogInitialized == 0) | |
| 3279 return; | |
| 3280 | |
| 3281 xmlRMutexLock(xmlCatalogMutex); | |
| 3282 if (xmlDebugCatalogs) | |
| 3283 xmlGenericError(xmlGenericErrorContext, | |
| 3284 "Catalogs cleanup\n"); | |
| 3285 if (xmlCatalogXMLFiles != NULL) | |
| 3286 xmlHashFree(xmlCatalogXMLFiles, | |
| 3287 (xmlHashDeallocator)xmlFreeCatalogHashEntryList); | |
| 3288 xmlCatalogXMLFiles = NULL; | |
| 3289 if (xmlDefaultCatalog != NULL) | |
| 3290 xmlFreeCatalog(xmlDefaultCatalog); | |
| 3291 xmlDefaultCatalog = NULL; | |
| 3292 xmlDebugCatalogs = 0; | |
| 3293 xmlCatalogInitialized = 0; | |
| 3294 xmlRMutexUnlock(xmlCatalogMutex); | |
| 3295 xmlFreeRMutex(xmlCatalogMutex); | |
| 3296 } | |
| 3297 | |
| 3298 /** | |
| 3299 * xmlCatalogResolveSystem: | |
| 3300 * @sysID: the system ID string | |
| 3301 * | |
| 3302 * Try to lookup the catalog resource for a system ID | |
| 3303 * | |
| 3304 * Returns the resource if found or NULL otherwise, the value returned | |
| 3305 * must be freed by the caller. | |
| 3306 */ | |
| 3307 xmlChar * | |
| 3308 xmlCatalogResolveSystem(const xmlChar *sysID) { | |
| 3309 xmlChar *ret; | |
| 3310 | |
| 3311 if (!xmlCatalogInitialized) | |
| 3312 xmlInitializeCatalog(); | |
| 3313 | |
| 3314 ret = xmlACatalogResolveSystem(xmlDefaultCatalog, sysID); | |
| 3315 return(ret); | |
| 3316 } | |
| 3317 | |
| 3318 /** | |
| 3319 * xmlCatalogResolvePublic: | |
| 3320 * @pubID: the public ID string | |
| 3321 * | |
| 3322 * Try to lookup the catalog reference associated to a public ID | |
| 3323 * | |
| 3324 * Returns the resource if found or NULL otherwise, the value returned | |
| 3325 * must be freed by the caller. | |
| 3326 */ | |
| 3327 xmlChar * | |
| 3328 xmlCatalogResolvePublic(const xmlChar *pubID) { | |
| 3329 xmlChar *ret; | |
| 3330 | |
| 3331 if (!xmlCatalogInitialized) | |
| 3332 xmlInitializeCatalog(); | |
| 3333 | |
| 3334 ret = xmlACatalogResolvePublic(xmlDefaultCatalog, pubID); | |
| 3335 return(ret); | |
| 3336 } | |
| 3337 | |
| 3338 /** | |
| 3339 * xmlCatalogResolve: | |
| 3340 * @pubID: the public ID string | |
| 3341 * @sysID: the system ID string | |
| 3342 * | |
| 3343 * Do a complete resolution lookup of an External Identifier | |
| 3344 * | |
| 3345 * Returns the URI of the resource or NULL if not found, it must be freed | |
| 3346 * by the caller. | |
| 3347 */ | |
| 3348 xmlChar * | |
| 3349 xmlCatalogResolve(const xmlChar *pubID, const xmlChar *sysID) { | |
| 3350 xmlChar *ret; | |
| 3351 | |
| 3352 if (!xmlCatalogInitialized) | |
| 3353 xmlInitializeCatalog(); | |
| 3354 | |
| 3355 ret = xmlACatalogResolve(xmlDefaultCatalog, pubID, sysID); | |
| 3356 return(ret); | |
| 3357 } | |
| 3358 | |
| 3359 /** | |
| 3360 * xmlCatalogResolveURI: | |
| 3361 * @URI: the URI | |
| 3362 * | |
| 3363 * Do a complete resolution lookup of an URI | |
| 3364 * | |
| 3365 * Returns the URI of the resource or NULL if not found, it must be freed | |
| 3366 * by the caller. | |
| 3367 */ | |
| 3368 xmlChar * | |
| 3369 xmlCatalogResolveURI(const xmlChar *URI) { | |
| 3370 xmlChar *ret; | |
| 3371 | |
| 3372 if (!xmlCatalogInitialized) | |
| 3373 xmlInitializeCatalog(); | |
| 3374 | |
| 3375 ret = xmlACatalogResolveURI(xmlDefaultCatalog, URI); | |
| 3376 return(ret); | |
| 3377 } | |
| 3378 | |
| 3379 #ifdef LIBXML_OUTPUT_ENABLED | |
| 3380 /** | |
| 3381 * xmlCatalogDump: | |
| 3382 * @out: the file. | |
| 3383 * | |
| 3384 * Dump all the global catalog content to the given file. | |
| 3385 */ | |
| 3386 void | |
| 3387 xmlCatalogDump(FILE *out) { | |
| 3388 if (out == NULL) | |
| 3389 return; | |
| 3390 | |
| 3391 if (!xmlCatalogInitialized) | |
| 3392 xmlInitializeCatalog(); | |
| 3393 | |
| 3394 xmlACatalogDump(xmlDefaultCatalog, out); | |
| 3395 } | |
| 3396 #endif /* LIBXML_OUTPUT_ENABLED */ | |
| 3397 | |
| 3398 /** | |
| 3399 * xmlCatalogAdd: | |
| 3400 * @type: the type of record to add to the catalog | |
| 3401 * @orig: the system, public or prefix to match | |
| 3402 * @replace: the replacement value for the match | |
| 3403 * | |
| 3404 * Add an entry in the catalog, it may overwrite existing but | |
| 3405 * different entries. | |
| 3406 * If called before any other catalog routine, allows to override the | |
| 3407 * default shared catalog put in place by xmlInitializeCatalog(); | |
| 3408 * | |
| 3409 * Returns 0 if successful, -1 otherwise | |
| 3410 */ | |
| 3411 int | |
| 3412 xmlCatalogAdd(const xmlChar *type, const xmlChar *orig, const xmlChar *replace)
{ | |
| 3413 int res = -1; | |
| 3414 | |
| 3415 if (!xmlCatalogInitialized) | |
| 3416 xmlInitializeCatalogData(); | |
| 3417 | |
| 3418 xmlRMutexLock(xmlCatalogMutex); | |
| 3419 /* | |
| 3420 * Specific case where one want to override the default catalog | |
| 3421 * put in place by xmlInitializeCatalog(); | |
| 3422 */ | |
| 3423 if ((xmlDefaultCatalog == NULL) && | |
| 3424 (xmlStrEqual(type, BAD_CAST "catalog"))) { | |
| 3425 xmlDefaultCatalog = xmlCreateNewCatalog(XML_XML_CATALOG_TYPE, | |
| 3426 xmlCatalogDefaultPrefer); | |
| 3427 xmlDefaultCatalog->xml = xmlNewCatalogEntry(XML_CATA_CATALOG, NULL, | |
| 3428 orig, NULL, xmlCatalogDefaultPrefer, NULL); | |
| 3429 | |
| 3430 xmlRMutexUnlock(xmlCatalogMutex); | |
| 3431 return(0); | |
| 3432 } | |
| 3433 | |
| 3434 res = xmlACatalogAdd(xmlDefaultCatalog, type, orig, replace); | |
| 3435 xmlRMutexUnlock(xmlCatalogMutex); | |
| 3436 return(res); | |
| 3437 } | |
| 3438 | |
| 3439 /** | |
| 3440 * xmlCatalogRemove: | |
| 3441 * @value: the value to remove | |
| 3442 * | |
| 3443 * Remove an entry from the catalog | |
| 3444 * | |
| 3445 * Returns the number of entries removed if successful, -1 otherwise | |
| 3446 */ | |
| 3447 int | |
| 3448 xmlCatalogRemove(const xmlChar *value) { | |
| 3449 int res; | |
| 3450 | |
| 3451 if (!xmlCatalogInitialized) | |
| 3452 xmlInitializeCatalog(); | |
| 3453 | |
| 3454 xmlRMutexLock(xmlCatalogMutex); | |
| 3455 res = xmlACatalogRemove(xmlDefaultCatalog, value); | |
| 3456 xmlRMutexUnlock(xmlCatalogMutex); | |
| 3457 return(res); | |
| 3458 } | |
| 3459 | |
| 3460 /** | |
| 3461 * xmlCatalogConvert: | |
| 3462 * | |
| 3463 * Convert all the SGML catalog entries as XML ones | |
| 3464 * | |
| 3465 * Returns the number of entries converted if successful, -1 otherwise | |
| 3466 */ | |
| 3467 int | |
| 3468 xmlCatalogConvert(void) { | |
| 3469 int res = -1; | |
| 3470 | |
| 3471 if (!xmlCatalogInitialized) | |
| 3472 xmlInitializeCatalog(); | |
| 3473 | |
| 3474 xmlRMutexLock(xmlCatalogMutex); | |
| 3475 res = xmlConvertSGMLCatalog(xmlDefaultCatalog); | |
| 3476 xmlRMutexUnlock(xmlCatalogMutex); | |
| 3477 return(res); | |
| 3478 } | |
| 3479 | |
| 3480 /************************************************************************ | |
| 3481 * * | |
| 3482 * Public interface manipulating the common preferences * | |
| 3483 * * | |
| 3484 ************************************************************************/ | |
| 3485 | |
| 3486 /** | |
| 3487 * xmlCatalogGetDefaults: | |
| 3488 * | |
| 3489 * Used to get the user preference w.r.t. to what catalogs should | |
| 3490 * be accepted | |
| 3491 * | |
| 3492 * Returns the current xmlCatalogAllow value | |
| 3493 */ | |
| 3494 xmlCatalogAllow | |
| 3495 xmlCatalogGetDefaults(void) { | |
| 3496 return(xmlCatalogDefaultAllow); | |
| 3497 } | |
| 3498 | |
| 3499 /** | |
| 3500 * xmlCatalogSetDefaults: | |
| 3501 * @allow: what catalogs should be accepted | |
| 3502 * | |
| 3503 * Used to set the user preference w.r.t. to what catalogs should | |
| 3504 * be accepted | |
| 3505 */ | |
| 3506 void | |
| 3507 xmlCatalogSetDefaults(xmlCatalogAllow allow) { | |
| 3508 if (xmlDebugCatalogs) { | |
| 3509 switch (allow) { | |
| 3510 case XML_CATA_ALLOW_NONE: | |
| 3511 xmlGenericError(xmlGenericErrorContext, | |
| 3512 "Disabling catalog usage\n"); | |
| 3513 break; | |
| 3514 case XML_CATA_ALLOW_GLOBAL: | |
| 3515 xmlGenericError(xmlGenericErrorContext, | |
| 3516 "Allowing only global catalogs\n"); | |
| 3517 break; | |
| 3518 case XML_CATA_ALLOW_DOCUMENT: | |
| 3519 xmlGenericError(xmlGenericErrorContext, | |
| 3520 "Allowing only catalogs from the document\n"); | |
| 3521 break; | |
| 3522 case XML_CATA_ALLOW_ALL: | |
| 3523 xmlGenericError(xmlGenericErrorContext, | |
| 3524 "Allowing all catalogs\n"); | |
| 3525 break; | |
| 3526 } | |
| 3527 } | |
| 3528 xmlCatalogDefaultAllow = allow; | |
| 3529 } | |
| 3530 | |
| 3531 /** | |
| 3532 * xmlCatalogSetDefaultPrefer: | |
| 3533 * @prefer: the default preference for delegation | |
| 3534 * | |
| 3535 * Allows to set the preference between public and system for deletion | |
| 3536 * in XML Catalog resolution. C.f. section 4.1.1 of the spec | |
| 3537 * Values accepted are XML_CATA_PREFER_PUBLIC or XML_CATA_PREFER_SYSTEM | |
| 3538 * | |
| 3539 * Returns the previous value of the default preference for delegation | |
| 3540 */ | |
| 3541 xmlCatalogPrefer | |
| 3542 xmlCatalogSetDefaultPrefer(xmlCatalogPrefer prefer) { | |
| 3543 xmlCatalogPrefer ret = xmlCatalogDefaultPrefer; | |
| 3544 | |
| 3545 if (prefer == XML_CATA_PREFER_NONE) | |
| 3546 return(ret); | |
| 3547 | |
| 3548 if (xmlDebugCatalogs) { | |
| 3549 switch (prefer) { | |
| 3550 case XML_CATA_PREFER_PUBLIC: | |
| 3551 xmlGenericError(xmlGenericErrorContext, | |
| 3552 "Setting catalog preference to PUBLIC\n"); | |
| 3553 break; | |
| 3554 case XML_CATA_PREFER_SYSTEM: | |
| 3555 xmlGenericError(xmlGenericErrorContext, | |
| 3556 "Setting catalog preference to SYSTEM\n"); | |
| 3557 break; | |
| 3558 default: | |
| 3559 return(ret); | |
| 3560 } | |
| 3561 } | |
| 3562 xmlCatalogDefaultPrefer = prefer; | |
| 3563 return(ret); | |
| 3564 } | |
| 3565 | |
| 3566 /** | |
| 3567 * xmlCatalogSetDebug: | |
| 3568 * @level: the debug level of catalogs required | |
| 3569 * | |
| 3570 * Used to set the debug level for catalog operation, 0 disable | |
| 3571 * debugging, 1 enable it | |
| 3572 * | |
| 3573 * Returns the previous value of the catalog debugging level | |
| 3574 */ | |
| 3575 int | |
| 3576 xmlCatalogSetDebug(int level) { | |
| 3577 int ret = xmlDebugCatalogs; | |
| 3578 | |
| 3579 if (level <= 0) | |
| 3580 xmlDebugCatalogs = 0; | |
| 3581 else | |
| 3582 xmlDebugCatalogs = level; | |
| 3583 return(ret); | |
| 3584 } | |
| 3585 | |
| 3586 /************************************************************************ | |
| 3587 * * | |
| 3588 * Minimal interfaces used for per-document catalogs by the parser * | |
| 3589 * * | |
| 3590 ************************************************************************/ | |
| 3591 | |
| 3592 /** | |
| 3593 * xmlCatalogFreeLocal: | |
| 3594 * @catalogs: a document's list of catalogs | |
| 3595 * | |
| 3596 * Free up the memory associated to the catalog list | |
| 3597 */ | |
| 3598 void | |
| 3599 xmlCatalogFreeLocal(void *catalogs) { | |
| 3600 xmlCatalogEntryPtr catal; | |
| 3601 | |
| 3602 if (!xmlCatalogInitialized) | |
| 3603 xmlInitializeCatalog(); | |
| 3604 | |
| 3605 catal = (xmlCatalogEntryPtr) catalogs; | |
| 3606 if (catal != NULL) | |
| 3607 xmlFreeCatalogEntryList(catal); | |
| 3608 } | |
| 3609 | |
| 3610 | |
| 3611 /** | |
| 3612 * xmlCatalogAddLocal: | |
| 3613 * @catalogs: a document's list of catalogs | |
| 3614 * @URL: the URL to a new local catalog | |
| 3615 * | |
| 3616 * Add the new entry to the catalog list | |
| 3617 * | |
| 3618 * Returns the updated list | |
| 3619 */ | |
| 3620 void * | |
| 3621 xmlCatalogAddLocal(void *catalogs, const xmlChar *URL) { | |
| 3622 xmlCatalogEntryPtr catal, add; | |
| 3623 | |
| 3624 if (!xmlCatalogInitialized) | |
| 3625 xmlInitializeCatalog(); | |
| 3626 | |
| 3627 if (URL == NULL) | |
| 3628 return(catalogs); | |
| 3629 | |
| 3630 if (xmlDebugCatalogs) | |
| 3631 xmlGenericError(xmlGenericErrorContext, | |
| 3632 "Adding document catalog %s\n", URL); | |
| 3633 | |
| 3634 add = xmlNewCatalogEntry(XML_CATA_CATALOG, NULL, URL, NULL, | |
| 3635 xmlCatalogDefaultPrefer, NULL); | |
| 3636 if (add == NULL) | |
| 3637 return(catalogs); | |
| 3638 | |
| 3639 catal = (xmlCatalogEntryPtr) catalogs; | |
| 3640 if (catal == NULL) | |
| 3641 return((void *) add); | |
| 3642 | |
| 3643 while (catal->next != NULL) | |
| 3644 catal = catal->next; | |
| 3645 catal->next = add; | |
| 3646 return(catalogs); | |
| 3647 } | |
| 3648 | |
| 3649 /** | |
| 3650 * xmlCatalogLocalResolve: | |
| 3651 * @catalogs: a document's list of catalogs | |
| 3652 * @pubID: the public ID string | |
| 3653 * @sysID: the system ID string | |
| 3654 * | |
| 3655 * Do a complete resolution lookup of an External Identifier using a | |
| 3656 * document's private catalog list | |
| 3657 * | |
| 3658 * Returns the URI of the resource or NULL if not found, it must be freed | |
| 3659 * by the caller. | |
| 3660 */ | |
| 3661 xmlChar * | |
| 3662 xmlCatalogLocalResolve(void *catalogs, const xmlChar *pubID, | |
| 3663 const xmlChar *sysID) { | |
| 3664 xmlCatalogEntryPtr catal; | |
| 3665 xmlChar *ret; | |
| 3666 | |
| 3667 if (!xmlCatalogInitialized) | |
| 3668 xmlInitializeCatalog(); | |
| 3669 | |
| 3670 if ((pubID == NULL) && (sysID == NULL)) | |
| 3671 return(NULL); | |
| 3672 | |
| 3673 if (xmlDebugCatalogs) { | |
| 3674 if ((pubID != NULL) && (sysID != NULL)) { | |
| 3675 xmlGenericError(xmlGenericErrorContext, | |
| 3676 "Local Resolve: pubID %s sysID %s\n", pubID, sysID); | |
| 3677 } else if (pubID != NULL) { | |
| 3678 xmlGenericError(xmlGenericErrorContext, | |
| 3679 "Local Resolve: pubID %s\n", pubID); | |
| 3680 } else { | |
| 3681 xmlGenericError(xmlGenericErrorContext, | |
| 3682 "Local Resolve: sysID %s\n", sysID); | |
| 3683 } | |
| 3684 } | |
| 3685 | |
| 3686 catal = (xmlCatalogEntryPtr) catalogs; | |
| 3687 if (catal == NULL) | |
| 3688 return(NULL); | |
| 3689 ret = xmlCatalogListXMLResolve(catal, pubID, sysID); | |
| 3690 if ((ret != NULL) && (ret != XML_CATAL_BREAK)) | |
| 3691 return(ret); | |
| 3692 return(NULL); | |
| 3693 } | |
| 3694 | |
| 3695 /** | |
| 3696 * xmlCatalogLocalResolveURI: | |
| 3697 * @catalogs: a document's list of catalogs | |
| 3698 * @URI: the URI | |
| 3699 * | |
| 3700 * Do a complete resolution lookup of an URI using a | |
| 3701 * document's private catalog list | |
| 3702 * | |
| 3703 * Returns the URI of the resource or NULL if not found, it must be freed | |
| 3704 * by the caller. | |
| 3705 */ | |
| 3706 xmlChar * | |
| 3707 xmlCatalogLocalResolveURI(void *catalogs, const xmlChar *URI) { | |
| 3708 xmlCatalogEntryPtr catal; | |
| 3709 xmlChar *ret; | |
| 3710 | |
| 3711 if (!xmlCatalogInitialized) | |
| 3712 xmlInitializeCatalog(); | |
| 3713 | |
| 3714 if (URI == NULL) | |
| 3715 return(NULL); | |
| 3716 | |
| 3717 if (xmlDebugCatalogs) | |
| 3718 xmlGenericError(xmlGenericErrorContext, | |
| 3719 "Resolve URI %s\n", URI); | |
| 3720 | |
| 3721 catal = (xmlCatalogEntryPtr) catalogs; | |
| 3722 if (catal == NULL) | |
| 3723 return(NULL); | |
| 3724 ret = xmlCatalogListXMLResolveURI(catal, URI); | |
| 3725 if ((ret != NULL) && (ret != XML_CATAL_BREAK)) | |
| 3726 return(ret); | |
| 3727 return(NULL); | |
| 3728 } | |
| 3729 | |
| 3730 /************************************************************************ | |
| 3731 * * | |
| 3732 * Deprecated interfaces * | |
| 3733 * * | |
| 3734 ************************************************************************/ | |
| 3735 /** | |
| 3736 * xmlCatalogGetSystem: | |
| 3737 * @sysID: the system ID string | |
| 3738 * | |
| 3739 * Try to lookup the catalog reference associated to a system ID | |
| 3740 * DEPRECATED, use xmlCatalogResolveSystem() | |
| 3741 * | |
| 3742 * Returns the resource if found or NULL otherwise. | |
| 3743 */ | |
| 3744 const xmlChar * | |
| 3745 xmlCatalogGetSystem(const xmlChar *sysID) { | |
| 3746 xmlChar *ret; | |
| 3747 static xmlChar result[1000]; | |
| 3748 static int msg = 0; | |
| 3749 | |
| 3750 if (!xmlCatalogInitialized) | |
| 3751 xmlInitializeCatalog(); | |
| 3752 | |
| 3753 if (msg == 0) { | |
| 3754 xmlGenericError(xmlGenericErrorContext, | |
| 3755 "Use of deprecated xmlCatalogGetSystem() call\n"); | |
| 3756 msg++; | |
| 3757 } | |
| 3758 | |
| 3759 if (sysID == NULL) | |
| 3760 return(NULL); | |
| 3761 | |
| 3762 /* | |
| 3763 * Check first the XML catalogs | |
| 3764 */ | |
| 3765 if (xmlDefaultCatalog != NULL) { | |
| 3766 ret = xmlCatalogListXMLResolve(xmlDefaultCatalog->xml, NULL, sysID); | |
| 3767 if ((ret != NULL) && (ret != XML_CATAL_BREAK)) { | |
| 3768 snprintf((char *) result, sizeof(result) - 1, "%s", (char *) ret); | |
| 3769 result[sizeof(result) - 1] = 0; | |
| 3770 return(result); | |
| 3771 } | |
| 3772 } | |
| 3773 | |
| 3774 if (xmlDefaultCatalog != NULL) | |
| 3775 return(xmlCatalogGetSGMLSystem(xmlDefaultCatalog->sgml, sysID)); | |
| 3776 return(NULL); | |
| 3777 } | |
| 3778 | |
| 3779 /** | |
| 3780 * xmlCatalogGetPublic: | |
| 3781 * @pubID: the public ID string | |
| 3782 * | |
| 3783 * Try to lookup the catalog reference associated to a public ID | |
| 3784 * DEPRECATED, use xmlCatalogResolvePublic() | |
| 3785 * | |
| 3786 * Returns the resource if found or NULL otherwise. | |
| 3787 */ | |
| 3788 const xmlChar * | |
| 3789 xmlCatalogGetPublic(const xmlChar *pubID) { | |
| 3790 xmlChar *ret; | |
| 3791 static xmlChar result[1000]; | |
| 3792 static int msg = 0; | |
| 3793 | |
| 3794 if (!xmlCatalogInitialized) | |
| 3795 xmlInitializeCatalog(); | |
| 3796 | |
| 3797 if (msg == 0) { | |
| 3798 xmlGenericError(xmlGenericErrorContext, | |
| 3799 "Use of deprecated xmlCatalogGetPublic() call\n"); | |
| 3800 msg++; | |
| 3801 } | |
| 3802 | |
| 3803 if (pubID == NULL) | |
| 3804 return(NULL); | |
| 3805 | |
| 3806 /* | |
| 3807 * Check first the XML catalogs | |
| 3808 */ | |
| 3809 if (xmlDefaultCatalog != NULL) { | |
| 3810 ret = xmlCatalogListXMLResolve(xmlDefaultCatalog->xml, pubID, NULL); | |
| 3811 if ((ret != NULL) && (ret != XML_CATAL_BREAK)) { | |
| 3812 snprintf((char *) result, sizeof(result) - 1, "%s", (char *) ret); | |
| 3813 result[sizeof(result) - 1] = 0; | |
| 3814 return(result); | |
| 3815 } | |
| 3816 } | |
| 3817 | |
| 3818 if (xmlDefaultCatalog != NULL) | |
| 3819 return(xmlCatalogGetSGMLPublic(xmlDefaultCatalog->sgml, pubID)); | |
| 3820 return(NULL); | |
| 3821 } | |
| 3822 | |
| 3823 #define bottom_catalog | |
| 3824 #include "elfgcchack.h" | |
| 3825 #endif /* LIBXML_CATALOG_ENABLED */ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2804483002:
Check in the libxml roll script. (Closed)
