The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 1 | /** |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2 | * catalog.c: set of generic Catalog related routines |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 44 | #include "buf.h" |
| 45 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 46 | #define MAX_DELEGATE 50 |
| 47 | #define MAX_CATAL_DEPTH 50 |
| 48 | |
| 49 | #ifdef _WIN32 |
Xin Li | e742c3a | 2017-03-02 10:59:49 -0800 | [diff] [blame] | 50 | # define PATH_SEPARATOR ';' |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 51 | #else |
Xin Li | e742c3a | 2017-03-02 10:59:49 -0800 | [diff] [blame] | 52 | # define PATH_SEPARATOR ':' |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | */ |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 65 | #define TODO \ |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 87 | #if !defined(_WINDOWS_) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 88 | void* __stdcall GetModuleHandleA(const char*); |
| 89 | unsigned long __stdcall GetModuleFileNameA(void*, char*, unsigned long); |
| 90 | #endif |
| 91 | #endif |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 92 | #endif |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | * * |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 213 | * Catalog error handlers * |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | */ |
Xin Li | e742c3a | 2017-03-02 10:59:49 -0800 | [diff] [blame] | 241 | static void LIBXML_ATTR_FORMAT(4,0) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 266 | * @group: for members of a group, the group entry |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 267 | * |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 268 | * create a new Catalog entry, this type is shared both by XML and |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | * |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 406 | * create a new Catalog, this type is shared both by XML and |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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", |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 574 | cur->value); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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", NULL); |
| 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", NULL); |
| 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 692 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 829 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 919 | xmlBufResetInput(buf->buffer, inputStream); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 942 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 994 | content = (xmlChar*)xmlMallocAtomic(size + 10); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 995 | if (content == NULL) { |
| 996 | xmlCatalogErrMemory("allocating catalog data"); |
Xin Li | e742c3a | 2017-03-02 10:59:49 -0800 | [diff] [blame] | 997 | #ifdef HAVE_STAT |
| 998 | close(fd); |
| 999 | #else |
| 1000 | fclose(fd); |
| 1001 | #endif |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 1002 | return (NULL); |
| 1003 | } |
| 1004 | #ifdef HAVE_STAT |
| 1005 | len = read(fd, content, size); |
Selim Gurun | df143a5 | 2012-03-05 14:35:53 -0800 | [diff] [blame] | 1006 | close(fd); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 1007 | #else |
| 1008 | len = fread(content, 1, size, fd); |
Selim Gurun | df143a5 | 2012-03-05 14:35:53 -0800 | [diff] [blame] | 1009 | fclose(fd); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 1010 | #endif |
| 1011 | if (len < 0) { |
| 1012 | xmlFree(content); |
| 1013 | return (NULL); |
| 1014 | } |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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, cgroup); |
| 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 |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 1337 | * |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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, NULL); |
| 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 |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 1405 | * |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 1406 | * Returns 0 in case of success, -1 otherwise |
| 1407 | */ |
| 1408 | static int |
| 1409 | xmlFetchXMLCatalogFile(xmlCatalogEntryPtr catal) { |
| 1410 | xmlCatalogEntryPtr doc; |
| 1411 | |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 1412 | if (catal == NULL) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 1413 | return(-1); |
| 1414 | if (catal->URL == NULL) |
| 1415 | return(-1); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 1504 | if ((catal == NULL) || |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 1557 | cur = (xmlCatalogEntryPtr)xmlHashLookup(xmlCatalogXMLFiles, catal->URL); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 1580 | if ((catal == NULL) || |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 1795 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2008 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2017 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2097 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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) { |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2157 | if ((cur[0] != '-') || (cur[1] != '-')) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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); |
Patrick Scott | 60a4c35 | 2009-07-09 09:30:54 -0400 | [diff] [blame] | 2620 | if (ret != NULL) |
| 2621 | return(ret); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2692 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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, xmlCatalogDefaultPrefer); |
| 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, xmlCatalogDefaultPrefer); |
| 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2787 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 catalog |
| 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2822 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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) |
Patrick Scott | 60a4c35 | 2009-07-09 09:30:54 -0400 | [diff] [blame] | 2918 | ret = xmlStrdup(sgml); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2941 | } |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 2949 | * @orig: the system, public or prefix to match |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3008 | } |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3067 | } |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3090 | if (getenv("XML_DEBUG_CATALOG")) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3111 | if (getenv("XML_DEBUG_CATALOG")) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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]); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3134 | while (*p != '\\' && p > buf) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 3135 | p--; |
| 3136 | if (p != buf) { |
| 3137 | xmlChar* uri; |
| 3138 | strncpy(p, "\\..\\etc\\catalog", 255 - (p - buf)); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3139 | uri = xmlCanonicPath((const xmlChar*)buf); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3153 | catal = xmlCreateNewCatalog(XML_XML_CATALOG_TYPE, |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 3154 | xmlCatalogDefaultPrefer); |
| 3155 | if (catal != NULL) { |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3156 | /* the XML_CATALOG_FILES envvar is allowed to contain a |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 3157 | space-separated list of entries. */ |
| 3158 | cur = catalogs; |
| 3159 | nextent = &catal->xml; |
| 3160 | while (*cur != '\0') { |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3161 | while (xmlIsBlank_ch(*cur)) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 - paths); |
| 3168 | if (path != NULL) { |
| 3169 | *nextent = xmlNewCatalogEntry(XML_CATA_CATALOG, NULL, |
| 3170 | NULL, BAD_CAST path, xmlCatalogDefaultPrefer, NULL); |
| 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; |
Xin Li | e742c3a | 2017-03-02 10:59:49 -0800 | [diff] [blame] | 3250 | while ((*cur != 0) && (*cur != PATH_SEPARATOR) && (!xmlIsBlank_ch(*cur))) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 3251 | cur++; |
| 3252 | path = xmlStrndup((const xmlChar *)paths, cur - paths); |
| 3253 | #ifdef _WIN32 |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3254 | iLen = strlen((const char*)path); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | } |
Xin Li | e742c3a | 2017-03-02 10:59:49 -0800 | [diff] [blame] | 3266 | while (*cur == PATH_SEPARATOR) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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) |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3286 | xmlHashFree(xmlCatalogXMLFiles, |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3401 | * @orig: the system, public or prefix to match |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3432 | } |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Xin Li | e742c3a | 2017-03-02 10:59:49 -0800 | [diff] [blame] | 3558 | default: |
| 3559 | return(ret); |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | */ |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3620 | void * |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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; |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3640 | if (catal == NULL) |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | * |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3655 | * Do a complete resolution lookup of an External Identifier using a |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 | * |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3700 | * Do a complete resolution lookup of an URI using a |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3761 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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); |
Selim Gurun | 94442ad | 2013-12-30 18:23:42 -0800 | [diff] [blame] | 3805 | |
The Android Open Source Project | ab4e2e9 | 2009-03-03 19:30:06 -0800 | [diff] [blame] | 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 */ |