Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1 | /* |
| 2 | * relaxng.c : implementation of the Relax-NG handling and validity checking |
| 3 | * |
| 4 | * See Copyright for the status of this software. |
| 5 | * |
| 6 | * Daniel Veillard <veillard@redhat.com> |
| 7 | */ |
| 8 | |
| 9 | #define IN_LIBXML |
| 10 | #include "libxml.h" |
| 11 | |
| 12 | #ifdef LIBXML_SCHEMAS_ENABLED |
| 13 | |
| 14 | #include <string.h> |
| 15 | #include <stdio.h> |
| 16 | #include <libxml/xmlmemory.h> |
| 17 | #include <libxml/parser.h> |
| 18 | #include <libxml/parserInternals.h> |
| 19 | #include <libxml/hash.h> |
| 20 | #include <libxml/uri.h> |
| 21 | |
| 22 | #include <libxml/relaxng.h> |
| 23 | |
| 24 | #include <libxml/xmlschemastypes.h> |
| 25 | #include <libxml/xmlautomata.h> |
| 26 | #include <libxml/xmlregexp.h> |
| 27 | |
| 28 | /* |
| 29 | * The Relax-NG namespace |
| 30 | */ |
| 31 | static const xmlChar *xmlRelaxNGNs = (const xmlChar *) |
| 32 | "http://relaxng.org/ns/structure/1.0"; |
| 33 | |
| 34 | #define IS_RELAXNG(node, type) \ |
| 35 | ((node != NULL) && (node->ns != NULL) && \ |
| 36 | (xmlStrEqual(node->name, (const xmlChar *) type)) && \ |
| 37 | (xmlStrEqual(node->ns->href, xmlRelaxNGNs))) |
| 38 | |
| 39 | |
| 40 | #define DEBUG 1 /* very verbose output */ |
| 41 | #define DEBUG_CONTENT 1 |
| 42 | #define DEBUG_TYPE 1 |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 43 | #define DEBUG_VALID 1 |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 44 | |
| 45 | #define UNBOUNDED (1 << 30) |
| 46 | #define TODO \ |
| 47 | xmlGenericError(xmlGenericErrorContext, \ |
| 48 | "Unimplemented block at %s:%d\n", \ |
| 49 | __FILE__, __LINE__); |
| 50 | |
| 51 | typedef struct _xmlRelaxNGSchema xmlRelaxNGSchema; |
| 52 | typedef xmlRelaxNGSchema *xmlRelaxNGSchemaPtr; |
| 53 | |
| 54 | typedef struct _xmlRelaxNGDefine xmlRelaxNGDefine; |
| 55 | typedef xmlRelaxNGDefine *xmlRelaxNGDefinePtr; |
| 56 | |
| 57 | typedef enum { |
| 58 | XML_RELAXNG_COMBINE_UNDEFINED = 0, /* undefined */ |
| 59 | XML_RELAXNG_COMBINE_CHOICE, /* choice */ |
| 60 | XML_RELAXNG_COMBINE_INTERLEAVE /* interleave */ |
| 61 | } xmlRelaxNGCombine; |
| 62 | |
| 63 | typedef struct _xmlRelaxNGGrammar xmlRelaxNGGrammar; |
| 64 | typedef xmlRelaxNGGrammar *xmlRelaxNGGrammarPtr; |
| 65 | |
| 66 | struct _xmlRelaxNGGrammar { |
| 67 | xmlRelaxNGGrammarPtr parent;/* the parent grammar if any */ |
| 68 | xmlRelaxNGGrammarPtr children;/* the children grammar if any */ |
| 69 | xmlRelaxNGGrammarPtr next; /* the next grammar if any */ |
| 70 | xmlRelaxNGDefinePtr start; /* <start> content */ |
| 71 | xmlRelaxNGCombine combine; /* the default combine value */ |
| 72 | xmlHashTablePtr defs; /* define* */ |
| 73 | xmlHashTablePtr refs; /* references */ |
| 74 | }; |
| 75 | |
| 76 | |
| 77 | #if 0 |
| 78 | struct _xmlRelaxNGSchema { |
| 79 | }; |
| 80 | #endif |
| 81 | |
| 82 | typedef enum { |
| 83 | XML_RELAXNG_EMPTY = 0, /* an empty pattern */ |
| 84 | XML_RELAXNG_NOT_ALLOWED, /* not allowed top */ |
| 85 | XML_RELAXNG_TEXT, /* textual content */ |
| 86 | XML_RELAXNG_ELEMENT, /* an element */ |
| 87 | XML_RELAXNG_DATATYPE, /* extenal data type definition */ |
| 88 | XML_RELAXNG_VALUE, /* value from an extenal data type definition */ |
| 89 | XML_RELAXNG_LIST, /* a list of patterns */ |
| 90 | XML_RELAXNG_ATTRIBUTE, /* an attrbute following a pattern */ |
| 91 | XML_RELAXNG_DEF, /* a definition */ |
| 92 | XML_RELAXNG_REF, /* reference to a definition */ |
| 93 | XML_RELAXNG_OPTIONAL, /* optional patterns */ |
| 94 | XML_RELAXNG_ZEROORMORE, /* zero or more non empty patterns */ |
| 95 | XML_RELAXNG_ONEORMORE, /* one or more non empty patterns */ |
| 96 | XML_RELAXNG_CHOICE, /* a choice between non empty patterns */ |
| 97 | XML_RELAXNG_GROUP, /* a pair/group of non empty patterns */ |
| 98 | XML_RELAXNG_INTERLEAVE /* interleaving choice of non-empty patterns */ |
| 99 | } xmlRelaxNGType; |
| 100 | |
| 101 | struct _xmlRelaxNGDefine { |
| 102 | xmlRelaxNGType type; /* the type of definition */ |
| 103 | xmlNodePtr node; /* the node in the source */ |
| 104 | xmlChar *name; /* the element local name if present */ |
| 105 | xmlChar *ns; /* the namespace local name if present */ |
| 106 | xmlRelaxNGDefinePtr content;/* the expected content */ |
| 107 | xmlRelaxNGDefinePtr next; /* list within grouping sequences */ |
| 108 | xmlRelaxNGDefinePtr attrs; /* list of attributes for elements */ |
| 109 | xmlRelaxNGDefinePtr nextHash;/* next define in defs/refs hash tables */ |
| 110 | }; |
| 111 | |
| 112 | /** |
| 113 | * _xmlRelaxNG: |
| 114 | * |
| 115 | * A RelaxNGs definition |
| 116 | */ |
| 117 | struct _xmlRelaxNG { |
| 118 | xmlRelaxNGGrammarPtr topgrammar; |
| 119 | xmlDocPtr doc; |
| 120 | |
| 121 | xmlHashTablePtr defs; /* define */ |
| 122 | xmlHashTablePtr refs; /* references */ |
| 123 | void *_private; /* unused by the library for users or bindings */ |
| 124 | }; |
| 125 | |
| 126 | typedef enum { |
| 127 | XML_RELAXNG_ERR_OK = 0, |
| 128 | XML_RELAXNG_ERR_NOROOT = 1, |
| 129 | XML_RELAXNG_ERR_ |
| 130 | } xmlRelaxNGValidError; |
| 131 | |
| 132 | #define XML_RELAXNG_IN_ATTRIBUTE 1 |
| 133 | |
| 134 | struct _xmlRelaxNGParserCtxt { |
| 135 | void *userData; /* user specific data block */ |
| 136 | xmlRelaxNGValidityErrorFunc error; /* the callback in case of errors */ |
| 137 | xmlRelaxNGValidityWarningFunc warning;/* the callback in case of warning */ |
| 138 | xmlRelaxNGValidError err; |
| 139 | |
| 140 | xmlRelaxNGPtr schema; /* The schema in use */ |
| 141 | xmlRelaxNGGrammarPtr grammar; /* the current grammar */ |
| 142 | int flags; /* parser flags */ |
| 143 | int nbErrors; /* number of errors at parse time */ |
| 144 | int nbWarnings; /* number of warnings at parse time */ |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 145 | const xmlChar *define; /* the current define scope */ |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 146 | |
| 147 | xmlChar *URL; |
| 148 | xmlDocPtr doc; |
| 149 | |
| 150 | const char *buffer; |
| 151 | int size; |
| 152 | |
| 153 | /* |
| 154 | * Used to build complex element content models |
| 155 | */ |
| 156 | xmlAutomataPtr am; |
| 157 | xmlAutomataStatePtr start; |
| 158 | xmlAutomataStatePtr end; |
| 159 | xmlAutomataStatePtr state; |
| 160 | }; |
| 161 | |
| 162 | #define FLAGS_IGNORABLE 1 |
| 163 | #define FLAGS_NEGATIVE 2 |
| 164 | |
| 165 | /** |
| 166 | * xmlRelaxNGValidState: |
| 167 | * |
| 168 | * A RelaxNGs validation state |
| 169 | */ |
| 170 | #define MAX_ATTR 20 |
| 171 | typedef struct _xmlRelaxNGValidState xmlRelaxNGValidState; |
| 172 | typedef xmlRelaxNGValidState *xmlRelaxNGValidStatePtr; |
| 173 | struct _xmlRelaxNGValidState { |
| 174 | xmlNodePtr node; /* the current node */ |
| 175 | xmlNodePtr seq; /* the sequence of children left to validate */ |
| 176 | int nbAttrs; /* the number of attributes */ |
| 177 | xmlChar *value; /* the value when operating on string */ |
| 178 | xmlAttrPtr attrs[1]; /* the array of attributes */ |
| 179 | }; |
| 180 | |
| 181 | /** |
| 182 | * xmlRelaxNGValidCtxt: |
| 183 | * |
| 184 | * A RelaxNGs validation context |
| 185 | */ |
| 186 | |
| 187 | struct _xmlRelaxNGValidCtxt { |
| 188 | void *userData; /* user specific data block */ |
| 189 | xmlRelaxNGValidityErrorFunc error; /* the callback in case of errors */ |
| 190 | xmlRelaxNGValidityWarningFunc warning;/* the callback in case of warning */ |
| 191 | |
| 192 | xmlRelaxNGPtr schema; /* The schema in use */ |
| 193 | xmlDocPtr doc; /* the document being validated */ |
| 194 | xmlRelaxNGValidStatePtr state; /* the current validation state */ |
| 195 | int flags; /* validation flags */ |
| 196 | }; |
| 197 | |
| 198 | /************************************************************************ |
| 199 | * * |
| 200 | * Allocation functions * |
| 201 | * * |
| 202 | ************************************************************************/ |
| 203 | static void xmlRelaxNGFreeDefineList(xmlRelaxNGDefinePtr defines); |
| 204 | static void xmlRelaxNGFreeGrammar(xmlRelaxNGGrammarPtr grammar); |
| 205 | static void xmlRelaxNGFreeDefine(xmlRelaxNGDefinePtr define); |
| 206 | |
| 207 | /** |
| 208 | * xmlRelaxNGNewRelaxNG: |
| 209 | * @ctxt: a Relax-NG validation context (optional) |
| 210 | * |
| 211 | * Allocate a new RelaxNG structure. |
| 212 | * |
| 213 | * Returns the newly allocated structure or NULL in case or error |
| 214 | */ |
| 215 | static xmlRelaxNGPtr |
| 216 | xmlRelaxNGNewRelaxNG(xmlRelaxNGParserCtxtPtr ctxt) |
| 217 | { |
| 218 | xmlRelaxNGPtr ret; |
| 219 | |
| 220 | ret = (xmlRelaxNGPtr) xmlMalloc(sizeof(xmlRelaxNG)); |
| 221 | if (ret == NULL) { |
| 222 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 223 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 224 | ctxt->nbErrors++; |
| 225 | return (NULL); |
| 226 | } |
| 227 | memset(ret, 0, sizeof(xmlRelaxNG)); |
| 228 | |
| 229 | return (ret); |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * xmlRelaxNGFree: |
| 234 | * @schema: a schema structure |
| 235 | * |
| 236 | * Deallocate a RelaxNG structure. |
| 237 | */ |
| 238 | void |
| 239 | xmlRelaxNGFree(xmlRelaxNGPtr schema) |
| 240 | { |
| 241 | if (schema == NULL) |
| 242 | return; |
| 243 | |
| 244 | #if 0 |
| 245 | if (schema->elemDecl != NULL) |
| 246 | xmlHashFree(schema->elemDecl, |
| 247 | (xmlHashDeallocator) xmlRelaxNGFreeElement); |
| 248 | if (schema->typeDecl != NULL) |
| 249 | xmlHashFree(schema->typeDecl, |
| 250 | (xmlHashDeallocator) xmlRelaxNGFreeType); |
| 251 | #endif |
| 252 | |
| 253 | if (schema->topgrammar != NULL) |
| 254 | xmlRelaxNGFreeGrammar(schema->topgrammar); |
| 255 | if (schema->doc != NULL) |
| 256 | xmlFreeDoc(schema->doc); |
| 257 | |
| 258 | xmlFree(schema); |
| 259 | } |
| 260 | |
| 261 | /** |
| 262 | * xmlRelaxNGNewGrammar: |
| 263 | * @ctxt: a Relax-NG validation context (optional) |
| 264 | * |
| 265 | * Allocate a new RelaxNG grammar. |
| 266 | * |
| 267 | * Returns the newly allocated structure or NULL in case or error |
| 268 | */ |
| 269 | static xmlRelaxNGGrammarPtr |
| 270 | xmlRelaxNGNewGrammar(xmlRelaxNGParserCtxtPtr ctxt) |
| 271 | { |
| 272 | xmlRelaxNGGrammarPtr ret; |
| 273 | |
| 274 | ret = (xmlRelaxNGGrammarPtr) xmlMalloc(sizeof(xmlRelaxNGGrammar)); |
| 275 | if (ret == NULL) { |
| 276 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 277 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 278 | ctxt->nbErrors++; |
| 279 | return (NULL); |
| 280 | } |
| 281 | memset(ret, 0, sizeof(xmlRelaxNGGrammar)); |
| 282 | |
| 283 | return (ret); |
| 284 | } |
| 285 | |
| 286 | /** |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 287 | * xmlRelaxNGFreeDefineHash: |
| 288 | * @defines: a list of define structures |
| 289 | * |
| 290 | * Deallocate a RelaxNG definition in the hash table |
| 291 | */ |
| 292 | static void |
| 293 | xmlRelaxNGFreeDefineHash(xmlRelaxNGDefinePtr defines) |
| 294 | { |
| 295 | xmlRelaxNGDefinePtr next; |
| 296 | |
| 297 | while (defines != NULL) { |
| 298 | next = defines->nextHash; |
| 299 | xmlRelaxNGFreeDefine(defines); |
| 300 | defines = next; |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | /** |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 305 | * xmlRelaxNGFreeGrammar: |
| 306 | * @grammar: a grammar structure |
| 307 | * |
| 308 | * Deallocate a RelaxNG grammar structure. |
| 309 | */ |
| 310 | static void |
| 311 | xmlRelaxNGFreeGrammar(xmlRelaxNGGrammarPtr grammar) |
| 312 | { |
| 313 | if (grammar == NULL) |
| 314 | return; |
| 315 | |
| 316 | if (grammar->start != NULL) |
| 317 | xmlRelaxNGFreeDefine(grammar->start); |
| 318 | if (grammar->refs != NULL) { |
| 319 | xmlHashFree(grammar->refs, NULL); |
| 320 | } |
| 321 | if (grammar->defs != NULL) { |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 322 | xmlHashFree(grammar->defs, (xmlHashDeallocator) |
| 323 | xmlRelaxNGFreeDefineHash); |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 324 | } |
| 325 | |
| 326 | xmlFree(grammar); |
| 327 | } |
| 328 | |
| 329 | /** |
| 330 | * xmlRelaxNGNewDefine: |
| 331 | * @ctxt: a Relax-NG validation context |
| 332 | * @node: the node in the input document. |
| 333 | * |
| 334 | * Allocate a new RelaxNG define. |
| 335 | * |
| 336 | * Returns the newly allocated structure or NULL in case or error |
| 337 | */ |
| 338 | static xmlRelaxNGDefinePtr |
| 339 | xmlRelaxNGNewDefine(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) |
| 340 | { |
| 341 | xmlRelaxNGDefinePtr ret; |
| 342 | |
| 343 | ret = (xmlRelaxNGDefinePtr) xmlMalloc(sizeof(xmlRelaxNGDefine)); |
| 344 | if (ret == NULL) { |
| 345 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 346 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 347 | ctxt->nbErrors++; |
| 348 | return (NULL); |
| 349 | } |
| 350 | memset(ret, 0, sizeof(xmlRelaxNGDefine)); |
| 351 | ret->node = node; |
| 352 | |
| 353 | return (ret); |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * xmlRelaxNGFreeDefineList: |
| 358 | * @defines: a list of define structures |
| 359 | * |
| 360 | * Deallocate a RelaxNG define structures. |
| 361 | */ |
| 362 | static void |
| 363 | xmlRelaxNGFreeDefineList(xmlRelaxNGDefinePtr defines) |
| 364 | { |
| 365 | xmlRelaxNGDefinePtr next; |
| 366 | |
| 367 | while (defines != NULL) { |
| 368 | next = defines->next; |
| 369 | xmlRelaxNGFreeDefine(defines); |
| 370 | defines = next; |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | /** |
| 375 | * xmlRelaxNGFreeDefine: |
| 376 | * @define: a define structure |
| 377 | * |
| 378 | * Deallocate a RelaxNG define structure. |
| 379 | */ |
| 380 | static void |
| 381 | xmlRelaxNGFreeDefine(xmlRelaxNGDefinePtr define) |
| 382 | { |
| 383 | if (define == NULL) |
| 384 | return; |
| 385 | |
| 386 | if (define->name != NULL) |
| 387 | xmlFree(define->name); |
| 388 | if (define->ns != NULL) |
| 389 | xmlFree(define->ns); |
| 390 | if (define->attrs != NULL) |
| 391 | xmlRelaxNGFreeDefineList(define->attrs); |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 392 | if ((define->content != NULL) && |
| 393 | (define->type != XML_RELAXNG_REF)) |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 394 | xmlRelaxNGFreeDefineList(define->content); |
| 395 | xmlFree(define); |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * xmlRelaxNGNewValidState: |
| 400 | * @ctxt: a Relax-NG validation context |
| 401 | * @node: the current node or NULL for the document |
| 402 | * |
| 403 | * Allocate a new RelaxNG validation state |
| 404 | * |
| 405 | * Returns the newly allocated structure or NULL in case or error |
| 406 | */ |
| 407 | static xmlRelaxNGValidStatePtr |
| 408 | xmlRelaxNGNewValidState(xmlRelaxNGValidCtxtPtr ctxt, xmlNodePtr node) |
| 409 | { |
| 410 | xmlRelaxNGValidStatePtr ret; |
| 411 | xmlAttrPtr attr; |
| 412 | xmlAttrPtr attrs[MAX_ATTR]; |
| 413 | int nbAttrs = 0; |
| 414 | xmlNodePtr root = NULL; |
| 415 | |
| 416 | if (node == NULL) { |
| 417 | root = xmlDocGetRootElement(ctxt->doc); |
| 418 | if (root == NULL) |
| 419 | return(NULL); |
| 420 | } else { |
| 421 | attr = node->properties; |
| 422 | while (attr != NULL) { |
| 423 | if (nbAttrs < MAX_ATTR) |
| 424 | attrs[nbAttrs++] = attr; |
| 425 | else |
| 426 | nbAttrs++; |
| 427 | attr = attr->next; |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | if (nbAttrs < MAX_ATTR) |
| 432 | attrs[nbAttrs] = NULL; |
| 433 | ret = (xmlRelaxNGValidStatePtr) xmlMalloc(sizeof(xmlRelaxNGValidState) + |
| 434 | nbAttrs * sizeof(xmlAttrPtr)); |
| 435 | if (ret == NULL) { |
| 436 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 437 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 438 | return (NULL); |
| 439 | } |
| 440 | if (node == NULL) { |
| 441 | ret->node = (xmlNodePtr) ctxt->doc; |
| 442 | ret->seq = root; |
| 443 | ret->nbAttrs = 0; |
| 444 | } else { |
| 445 | ret->node = node; |
| 446 | ret->seq = node->children; |
| 447 | ret->nbAttrs = nbAttrs; |
| 448 | if (nbAttrs > 0) { |
| 449 | if (nbAttrs < MAX_ATTR) { |
| 450 | memcpy(&(ret->attrs[0]), attrs, |
| 451 | sizeof(xmlAttrPtr) * (nbAttrs + 1)); |
| 452 | } else { |
| 453 | attr = node->properties; |
| 454 | nbAttrs = 0; |
| 455 | while (attr != NULL) { |
| 456 | ret->attrs[nbAttrs++] = attr; |
| 457 | attr = attr->next; |
| 458 | } |
| 459 | ret->attrs[nbAttrs] = NULL; |
| 460 | } |
| 461 | } |
| 462 | } |
| 463 | return (ret); |
| 464 | } |
| 465 | |
| 466 | /** |
| 467 | * xmlRelaxNGCopyValidState: |
| 468 | * @ctxt: a Relax-NG validation context |
| 469 | * @state: a validation state |
| 470 | * |
| 471 | * Copy the validation state |
| 472 | * |
| 473 | * Returns the newly allocated structure or NULL in case or error |
| 474 | */ |
| 475 | static xmlRelaxNGValidStatePtr |
| 476 | xmlRelaxNGCopyValidState(xmlRelaxNGValidCtxtPtr ctxt, |
| 477 | xmlRelaxNGValidStatePtr state) |
| 478 | { |
| 479 | xmlRelaxNGValidStatePtr ret; |
| 480 | unsigned int size; |
| 481 | |
| 482 | if (state == NULL) |
| 483 | return(NULL); |
| 484 | |
| 485 | size = sizeof(xmlRelaxNGValidState) + |
| 486 | state->nbAttrs * sizeof(xmlAttrPtr); |
| 487 | ret = (xmlRelaxNGValidStatePtr) xmlMalloc(size); |
| 488 | if (ret == NULL) { |
| 489 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 490 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 491 | return (NULL); |
| 492 | } |
| 493 | memcpy(ret, state, size); |
| 494 | return(ret); |
| 495 | } |
| 496 | |
| 497 | /** |
| 498 | * xmlRelaxNGFreeValidState: |
| 499 | * @state: a validation state structure |
| 500 | * |
| 501 | * Deallocate a RelaxNG validation state structure. |
| 502 | */ |
| 503 | static void |
| 504 | xmlRelaxNGFreeValidState(xmlRelaxNGValidStatePtr state) |
| 505 | { |
| 506 | if (state == NULL) |
| 507 | return; |
| 508 | |
| 509 | xmlFree(state); |
| 510 | } |
| 511 | |
| 512 | /************************************************************************ |
| 513 | * * |
| 514 | * Error functions * |
| 515 | * * |
| 516 | ************************************************************************/ |
| 517 | |
| 518 | #define VALID_CTXT() \ |
| 519 | if (ctxt->flags == 0) xmlGenericError(xmlGenericErrorContext, \ |
| 520 | "error detected at %s:%d\n", \ |
| 521 | __FILE__, __LINE__); |
| 522 | #define VALID_ERROR if (ctxt->flags == 0) printf |
| 523 | |
| 524 | #if 0 |
| 525 | /** |
| 526 | * xmlRelaxNGErrorContext: |
| 527 | * @ctxt: the parsing context |
| 528 | * @schema: the schema being built |
| 529 | * @node: the node being processed |
| 530 | * @child: the child being processed |
| 531 | * |
| 532 | * Dump a RelaxNGType structure |
| 533 | */ |
| 534 | static void |
| 535 | xmlRelaxNGErrorContext(xmlRelaxNGParserCtxtPtr ctxt, xmlRelaxNGPtr schema, |
| 536 | xmlNodePtr node, xmlNodePtr child) |
| 537 | { |
| 538 | int line = 0; |
| 539 | const xmlChar *file = NULL; |
| 540 | const xmlChar *name = NULL; |
| 541 | const char *type = "error"; |
| 542 | |
| 543 | if ((ctxt == NULL) || (ctxt->error == NULL)) |
| 544 | return; |
| 545 | |
| 546 | if (child != NULL) |
| 547 | node = child; |
| 548 | |
| 549 | if (node != NULL) { |
| 550 | if ((node->type == XML_DOCUMENT_NODE) || |
| 551 | (node->type == XML_HTML_DOCUMENT_NODE)) { |
| 552 | xmlDocPtr doc = (xmlDocPtr) node; |
| 553 | |
| 554 | file = doc->URL; |
| 555 | } else { |
| 556 | /* |
| 557 | * Try to find contextual informations to report |
| 558 | */ |
| 559 | if (node->type == XML_ELEMENT_NODE) { |
| 560 | line = (int) node->content; |
| 561 | } else if ((node->prev != NULL) && |
| 562 | (node->prev->type == XML_ELEMENT_NODE)) { |
| 563 | line = (int) node->prev->content; |
| 564 | } else if ((node->parent != NULL) && |
| 565 | (node->parent->type == XML_ELEMENT_NODE)) { |
| 566 | line = (int) node->parent->content; |
| 567 | } |
| 568 | if ((node->doc != NULL) && (node->doc->URL != NULL)) |
| 569 | file = node->doc->URL; |
| 570 | if (node->name != NULL) |
| 571 | name = node->name; |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | if (ctxt != NULL) |
| 576 | type = "compilation error"; |
| 577 | else if (schema != NULL) |
| 578 | type = "runtime error"; |
| 579 | |
| 580 | if ((file != NULL) && (line != 0) && (name != NULL)) |
| 581 | ctxt->error(ctxt->userData, "%s: file %s line %d element %s\n", |
| 582 | type, file, line, name); |
| 583 | else if ((file != NULL) && (name != NULL)) |
| 584 | ctxt->error(ctxt->userData, "%s: file %s element %s\n", |
| 585 | type, file, name); |
| 586 | else if ((file != NULL) && (line != 0)) |
| 587 | ctxt->error(ctxt->userData, "%s: file %s line %d\n", type, file, line); |
| 588 | else if (file != NULL) |
| 589 | ctxt->error(ctxt->userData, "%s: file %s\n", type, file); |
| 590 | else if (name != NULL) |
| 591 | ctxt->error(ctxt->userData, "%s: element %s\n", type, name); |
| 592 | else |
| 593 | ctxt->error(ctxt->userData, "%s\n", type); |
| 594 | } |
| 595 | #endif |
| 596 | |
| 597 | /************************************************************************ |
| 598 | * * |
| 599 | * Type library hooks * |
| 600 | * * |
| 601 | ************************************************************************/ |
| 602 | |
| 603 | static void |
| 604 | xmlRelaxNGInitTypes(void) { |
| 605 | } |
| 606 | |
| 607 | /** |
| 608 | * xmlRelaxNGCleanupTypes: |
| 609 | * |
| 610 | * Cleanup the default Schemas type library associated to RelaxNG |
| 611 | */ |
| 612 | void |
| 613 | xmlRelaxNGCleanupTypes(void) { |
| 614 | xmlSchemaCleanupTypes(); |
| 615 | } |
| 616 | |
| 617 | /************************************************************************ |
| 618 | * * |
| 619 | * Parsing functions * |
| 620 | * * |
| 621 | ************************************************************************/ |
| 622 | |
| 623 | static xmlRelaxNGDefinePtr xmlRelaxNGParseAttribute( |
| 624 | xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node); |
| 625 | static xmlRelaxNGDefinePtr xmlRelaxNGParseElement( |
| 626 | xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node); |
| 627 | static xmlRelaxNGDefinePtr xmlRelaxNGParsePatterns( |
| 628 | xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes); |
| 629 | |
| 630 | |
| 631 | #define IS_BLANK_NODE(n) \ |
| 632 | (((n)->type == XML_TEXT_NODE) && (xmlRelaxNGIsBlank((n)->content))) |
| 633 | |
| 634 | /** |
| 635 | * xmlRelaxNGIsBlank: |
| 636 | * @str: a string |
| 637 | * |
| 638 | * Check if a string is ignorable c.f. 4.2. Whitespace |
| 639 | * |
| 640 | * Returns 1 if the string is NULL or made of blanks chars, 0 otherwise |
| 641 | */ |
| 642 | static int |
| 643 | xmlRelaxNGIsBlank(xmlChar *str) { |
| 644 | if (str == NULL) |
| 645 | return(1); |
| 646 | while (*str != 0) { |
| 647 | if (!(IS_BLANK(*str))) return(0); |
| 648 | str++; |
| 649 | } |
| 650 | return(1); |
| 651 | } |
| 652 | |
| 653 | #if 0 |
| 654 | /** |
| 655 | * xmlRelaxNGGetDataTypeLibrary: |
| 656 | * @ctxt: a Relax-NG parser context |
| 657 | * @node: the current data or value element |
| 658 | * |
| 659 | * Applies algorithm from 4.3. datatypeLibrary attribute |
| 660 | * |
| 661 | * Returns the datatypeLibary value or NULL if not found |
| 662 | */ |
| 663 | static xmlChar * |
| 664 | xmlRelaxNGGetDataTypeLibrary(xmlRelaxNGParserCtxtPtr ctxt ATTRIBUTE_UNUSED, |
| 665 | xmlNodePtr node) { |
| 666 | xmlChar *ret, *escape; |
| 667 | |
| 668 | #ifdef DEBUG |
| 669 | xmlGenericError(xmlGenericErrorContext, |
| 670 | "xmlRelaxNGGetDataTypeLibrary()\n"); |
| 671 | #endif |
| 672 | |
| 673 | if ((IS_RELAXNG(node, "data")) || (IS_RELAXNG(node, "value"))) { |
| 674 | ret = xmlGetProp(node, BAD_CAST "datatypeLibrary"); |
| 675 | if (ret != NULL) { |
| 676 | escape = xmlURIEscapeStr(ret, BAD_CAST ""); |
| 677 | if (escape == NULL) { |
| 678 | return(ret); |
| 679 | } |
| 680 | xmlFree(ret); |
| 681 | return(escape); |
| 682 | } |
| 683 | } |
| 684 | node = node->parent; |
| 685 | while ((node != NULL) && (node->type == XML_ELEMENT_NODE)) { |
| 686 | if (IS_RELAXNG(node, "element")) { |
| 687 | ret = xmlGetProp(node, BAD_CAST "datatypeLibrary"); |
| 688 | if (ret != NULL) { |
| 689 | escape = xmlURIEscapeStr(ret, BAD_CAST ""); |
| 690 | if (escape == NULL) { |
| 691 | return(ret); |
| 692 | } |
| 693 | xmlFree(ret); |
| 694 | return(escape); |
| 695 | } |
| 696 | } |
| 697 | node = node->parent; |
| 698 | } |
| 699 | return(NULL); |
| 700 | } |
| 701 | #endif |
| 702 | |
| 703 | /** |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 704 | * xmlRelaxNGParseDefine: |
| 705 | * @ctxt: a Relax-NG parser context |
| 706 | * @node: the define node |
| 707 | * |
| 708 | * parse the content of a RelaxNG define element node. |
| 709 | * |
| 710 | * Returns the definition pointer or NULL in case of error. |
| 711 | */ |
| 712 | static int |
| 713 | xmlRelaxNGParseDefine(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 714 | xmlChar *name; |
| 715 | int ret = 0, tmp; |
| 716 | xmlRelaxNGDefinePtr def; |
| 717 | const xmlChar *olddefine; |
| 718 | |
| 719 | name = xmlGetProp(node, BAD_CAST "name"); |
| 720 | if (name == NULL) { |
| 721 | if (ctxt->error != NULL) |
| 722 | ctxt->error(ctxt->userData, |
| 723 | "define has no name\n"); |
| 724 | ctxt->nbErrors++; |
| 725 | } else { |
| 726 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 727 | if (def == NULL) { |
| 728 | xmlFree(name); |
| 729 | return(-1); |
| 730 | } |
| 731 | def->type = XML_RELAXNG_DEF; |
| 732 | def->name = name; |
| 733 | if (node->children == NULL) { |
| 734 | if (ctxt->error != NULL) |
| 735 | ctxt->error(ctxt->userData, |
| 736 | "define has no children\n"); |
| 737 | ctxt->nbErrors++; |
| 738 | } else { |
| 739 | olddefine = ctxt->define; |
| 740 | ctxt->define = name; |
| 741 | def->content = xmlRelaxNGParsePatterns(ctxt, |
| 742 | node->children); |
| 743 | ctxt->define = olddefine; |
| 744 | } |
| 745 | if (ctxt->grammar->defs == NULL) |
| 746 | ctxt->grammar->defs = xmlHashCreate(10); |
| 747 | if (ctxt->grammar->defs == NULL) { |
| 748 | if (ctxt->error != NULL) |
| 749 | ctxt->error(ctxt->userData, |
| 750 | "Could not create definition hash\n"); |
| 751 | ctxt->nbErrors++; |
| 752 | ret = -1; |
| 753 | xmlRelaxNGFreeDefine(def); |
| 754 | } else { |
| 755 | tmp = xmlHashAddEntry(ctxt->grammar->defs, name, def); |
| 756 | if (tmp < 0) { |
| 757 | TODO |
| 758 | /* store and implement 4.17 on combining */ |
| 759 | ctxt->nbErrors++; |
| 760 | ret = -1; |
| 761 | xmlRelaxNGFreeDefine(def); |
| 762 | } |
| 763 | } |
| 764 | } |
| 765 | return(ret); |
| 766 | } |
| 767 | |
| 768 | /** |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 769 | * xmlRelaxNGParsePattern: |
| 770 | * @ctxt: a Relax-NG parser context |
| 771 | * @node: the pattern node. |
| 772 | * |
| 773 | * parse the content of a RelaxNG pattern node. |
| 774 | * |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 775 | * Returns the definition pointer or NULL in case of error or if no |
| 776 | * pattern is generated. |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 777 | */ |
| 778 | static xmlRelaxNGDefinePtr |
| 779 | xmlRelaxNGParsePattern(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 780 | xmlRelaxNGDefinePtr def = NULL; |
| 781 | |
| 782 | if (IS_RELAXNG(node, "element")) { |
| 783 | def = xmlRelaxNGParseElement(ctxt, node); |
| 784 | } else if (IS_RELAXNG(node, "attribute")) { |
| 785 | def = xmlRelaxNGParseAttribute(ctxt, node); |
| 786 | } else if (IS_RELAXNG(node, "empty")) { |
| 787 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 788 | if (def == NULL) |
| 789 | return(NULL); |
| 790 | def->type = XML_RELAXNG_EMPTY; |
| 791 | } else if (IS_RELAXNG(node, "text")) { |
| 792 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 793 | if (def == NULL) |
| 794 | return(NULL); |
| 795 | def->type = XML_RELAXNG_TEXT; |
| 796 | if (node->children != NULL) { |
| 797 | if (ctxt->error != NULL) |
| 798 | ctxt->error(ctxt->userData, "text: had a child node\n"); |
| 799 | ctxt->nbErrors++; |
| 800 | } |
| 801 | } else if (IS_RELAXNG(node, "zeroOrMore")) { |
| 802 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 803 | if (def == NULL) |
| 804 | return(NULL); |
| 805 | def->type = XML_RELAXNG_ZEROORMORE; |
| 806 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 807 | } else if (IS_RELAXNG(node, "oneOrMore")) { |
| 808 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 809 | if (def == NULL) |
| 810 | return(NULL); |
| 811 | def->type = XML_RELAXNG_ZEROORMORE; |
| 812 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 813 | } else if (IS_RELAXNG(node, "optional")) { |
| 814 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 815 | if (def == NULL) |
| 816 | return(NULL); |
| 817 | def->type = XML_RELAXNG_OPTIONAL; |
| 818 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 819 | } else if (IS_RELAXNG(node, "choice")) { |
| 820 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 821 | if (def == NULL) |
| 822 | return(NULL); |
| 823 | def->type = XML_RELAXNG_CHOICE; |
| 824 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 825 | } else if (IS_RELAXNG(node, "group")) { |
| 826 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 827 | if (def == NULL) |
| 828 | return(NULL); |
| 829 | def->type = XML_RELAXNG_GROUP; |
| 830 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 831 | } else if (IS_RELAXNG(node, "ref")) { |
| 832 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 833 | if (def == NULL) |
| 834 | return(NULL); |
| 835 | def->type = XML_RELAXNG_REF; |
| 836 | def->name = xmlGetProp(node, BAD_CAST "name"); |
| 837 | if (def->name == NULL) { |
| 838 | if (ctxt->error != NULL) |
| 839 | ctxt->error(ctxt->userData, |
| 840 | "ref has no name\n"); |
| 841 | ctxt->nbErrors++; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 842 | } else { |
| 843 | if ((ctxt->define != NULL) && |
| 844 | (xmlStrEqual(ctxt->define, def->name))) { |
| 845 | if (ctxt->error != NULL) |
| 846 | ctxt->error(ctxt->userData, |
| 847 | "Recursive reference to %s not in an element\n", |
| 848 | def->name); |
| 849 | ctxt->nbErrors++; |
| 850 | } |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 851 | } |
| 852 | if (node->children != NULL) { |
| 853 | if (ctxt->error != NULL) |
| 854 | ctxt->error(ctxt->userData, |
| 855 | "ref is not empty\n"); |
| 856 | ctxt->nbErrors++; |
| 857 | } |
| 858 | if (ctxt->grammar->refs == NULL) |
| 859 | ctxt->grammar->refs = xmlHashCreate(10); |
| 860 | if (ctxt->grammar->refs == NULL) { |
| 861 | if (ctxt->error != NULL) |
| 862 | ctxt->error(ctxt->userData, |
| 863 | "Could not create references hash\n"); |
| 864 | ctxt->nbErrors++; |
| 865 | xmlRelaxNGFreeDefine(def); |
| 866 | def = NULL; |
| 867 | } else { |
| 868 | int tmp; |
| 869 | |
| 870 | tmp = xmlHashAddEntry(ctxt->grammar->refs, def->name, def); |
| 871 | if (tmp < 0) { |
| 872 | xmlRelaxNGDefinePtr prev; |
| 873 | |
| 874 | prev = (xmlRelaxNGDefinePtr) |
| 875 | xmlHashLookup(ctxt->grammar->refs, def->name); |
| 876 | if (prev == NULL) { |
| 877 | if (ctxt->error != NULL) |
| 878 | ctxt->error(ctxt->userData, |
| 879 | "Internal error refs definitions '%s'\n", |
| 880 | def->name); |
| 881 | ctxt->nbErrors++; |
| 882 | xmlRelaxNGFreeDefine(def); |
| 883 | def = NULL; |
| 884 | } else { |
| 885 | def->nextHash = prev->nextHash; |
| 886 | prev->nextHash = def; |
| 887 | } |
| 888 | } |
| 889 | } |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 890 | } else if (IS_RELAXNG(node, "define")) { |
| 891 | xmlRelaxNGParseDefine(ctxt, node); |
| 892 | def = NULL; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 893 | } else { |
| 894 | TODO |
| 895 | } |
| 896 | return(def); |
| 897 | } |
| 898 | |
| 899 | /** |
| 900 | * xmlRelaxNGParseAttribute: |
| 901 | * @ctxt: a Relax-NG parser context |
| 902 | * @node: the element node |
| 903 | * |
| 904 | * parse the content of a RelaxNG attribute node. |
| 905 | * |
| 906 | * Returns the definition pointer or NULL in case of error. |
| 907 | */ |
| 908 | static xmlRelaxNGDefinePtr |
| 909 | xmlRelaxNGParseAttribute(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 910 | xmlRelaxNGDefinePtr ret, cur, last; |
| 911 | xmlNodePtr child; |
| 912 | xmlChar *val; |
| 913 | int old_flags; |
| 914 | |
| 915 | ret = xmlRelaxNGNewDefine(ctxt, node); |
| 916 | if (ret == NULL) |
| 917 | return(NULL); |
| 918 | ret->type = XML_RELAXNG_ATTRIBUTE; |
| 919 | child = node->children; |
| 920 | if (child == NULL) { |
| 921 | if (ctxt->error != NULL) |
| 922 | ctxt->error(ctxt->userData, |
| 923 | "xmlRelaxNGParseattribute: attribute has no children\n"); |
| 924 | ctxt->nbErrors++; |
| 925 | return(ret); |
| 926 | } |
| 927 | old_flags = ctxt->flags; |
| 928 | ctxt->flags |= XML_RELAXNG_IN_ATTRIBUTE; |
| 929 | if (IS_RELAXNG(child, "name")) { |
| 930 | val = xmlNodeGetContent(child); |
| 931 | ret->name = val; |
| 932 | val = xmlGetProp(child, BAD_CAST "ns"); |
| 933 | ret->ns = val; |
| 934 | } else if (IS_RELAXNG(child, "anyName")) { |
| 935 | TODO |
| 936 | } else if (IS_RELAXNG(child, "nsName")) { |
| 937 | TODO |
| 938 | } else if (IS_RELAXNG(child, "choice")) { |
| 939 | TODO |
| 940 | } else { |
| 941 | if (ctxt->error != NULL) |
| 942 | ctxt->error(ctxt->userData, |
| 943 | "element: expecting name, anyName, nsName or choice : got %s\n", |
| 944 | child->name); |
| 945 | ctxt->nbErrors++; |
| 946 | ctxt->flags = old_flags; |
| 947 | return(ret); |
| 948 | } |
| 949 | child = child->next; |
| 950 | last = NULL; |
| 951 | while (child != NULL) { |
| 952 | cur = xmlRelaxNGParsePattern(ctxt, child); |
| 953 | if (cur != NULL) { |
| 954 | switch (cur->type) { |
| 955 | case XML_RELAXNG_EMPTY: |
| 956 | case XML_RELAXNG_NOT_ALLOWED: |
| 957 | case XML_RELAXNG_TEXT: |
| 958 | case XML_RELAXNG_ELEMENT: |
| 959 | case XML_RELAXNG_DATATYPE: |
| 960 | case XML_RELAXNG_VALUE: |
| 961 | case XML_RELAXNG_LIST: |
| 962 | case XML_RELAXNG_REF: |
| 963 | case XML_RELAXNG_DEF: |
| 964 | case XML_RELAXNG_ONEORMORE: |
| 965 | case XML_RELAXNG_ZEROORMORE: |
| 966 | case XML_RELAXNG_OPTIONAL: |
| 967 | case XML_RELAXNG_CHOICE: |
| 968 | case XML_RELAXNG_GROUP: |
| 969 | case XML_RELAXNG_INTERLEAVE: |
| 970 | if (last == NULL) { |
| 971 | ret->content = last = cur; |
| 972 | } else { |
| 973 | if ((last->type == XML_RELAXNG_ELEMENT) && |
| 974 | (ret->content == last)) { |
| 975 | ret->content = xmlRelaxNGNewDefine(ctxt, node); |
| 976 | if (ret->content != NULL) { |
| 977 | ret->content->type = XML_RELAXNG_GROUP; |
| 978 | ret->content->content = last; |
| 979 | } else { |
| 980 | ret->content = last; |
| 981 | } |
| 982 | } |
| 983 | last->next = cur; |
| 984 | last = cur; |
| 985 | } |
| 986 | break; |
| 987 | case XML_RELAXNG_ATTRIBUTE: |
| 988 | cur->next = ret->attrs; |
| 989 | ret->attrs = cur; |
| 990 | break; |
| 991 | } |
| 992 | } |
| 993 | child = child->next; |
| 994 | } |
| 995 | ctxt->flags = old_flags; |
| 996 | return(ret); |
| 997 | } |
| 998 | |
| 999 | /** |
| 1000 | * xmlRelaxNGParseElement: |
| 1001 | * @ctxt: a Relax-NG parser context |
| 1002 | * @node: the element node |
| 1003 | * |
| 1004 | * parse the content of a RelaxNG element node. |
| 1005 | * |
| 1006 | * Returns the definition pointer or NULL in case of error. |
| 1007 | */ |
| 1008 | static xmlRelaxNGDefinePtr |
| 1009 | xmlRelaxNGParseElement(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 1010 | xmlRelaxNGDefinePtr ret, cur, last; |
| 1011 | xmlNodePtr child; |
| 1012 | xmlChar *val; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1013 | const xmlChar *olddefine; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1014 | |
| 1015 | ret = xmlRelaxNGNewDefine(ctxt, node); |
| 1016 | if (ret == NULL) |
| 1017 | return(NULL); |
| 1018 | ret->type = XML_RELAXNG_ELEMENT; |
| 1019 | child = node->children; |
| 1020 | if (child == NULL) { |
| 1021 | if (ctxt->error != NULL) |
| 1022 | ctxt->error(ctxt->userData, |
| 1023 | "xmlRelaxNGParseElement: element has no children\n"); |
| 1024 | ctxt->nbErrors++; |
| 1025 | return(ret); |
| 1026 | } |
| 1027 | if (IS_RELAXNG(child, "name")) { |
| 1028 | val = xmlNodeGetContent(child); |
| 1029 | ret->name = val; |
| 1030 | val = xmlGetProp(child, BAD_CAST "ns"); |
| 1031 | ret->ns = val; |
| 1032 | } else if (IS_RELAXNG(child, "anyName")) { |
| 1033 | TODO |
| 1034 | } else if (IS_RELAXNG(child, "nsName")) { |
| 1035 | TODO |
| 1036 | } else if (IS_RELAXNG(child, "choice")) { |
| 1037 | TODO |
| 1038 | } else { |
| 1039 | if (ctxt->error != NULL) |
| 1040 | ctxt->error(ctxt->userData, |
| 1041 | "element: expecting name, anyName, nsName or choice : got %s\n", |
| 1042 | child->name); |
| 1043 | ctxt->nbErrors++; |
| 1044 | return(ret); |
| 1045 | } |
| 1046 | child = child->next; |
| 1047 | if (child == NULL) { |
| 1048 | if (ctxt->error != NULL) |
| 1049 | ctxt->error(ctxt->userData, |
| 1050 | "xmlRelaxNGParseElement: element has no content\n"); |
| 1051 | ctxt->nbErrors++; |
| 1052 | return(ret); |
| 1053 | } |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1054 | olddefine = ctxt->define; |
| 1055 | ctxt->define = NULL; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1056 | last = NULL; |
| 1057 | while (child != NULL) { |
| 1058 | cur = xmlRelaxNGParsePattern(ctxt, child); |
| 1059 | if (cur != NULL) { |
| 1060 | switch (cur->type) { |
| 1061 | case XML_RELAXNG_EMPTY: |
| 1062 | case XML_RELAXNG_NOT_ALLOWED: |
| 1063 | case XML_RELAXNG_TEXT: |
| 1064 | case XML_RELAXNG_ELEMENT: |
| 1065 | case XML_RELAXNG_DATATYPE: |
| 1066 | case XML_RELAXNG_VALUE: |
| 1067 | case XML_RELAXNG_LIST: |
| 1068 | case XML_RELAXNG_REF: |
| 1069 | case XML_RELAXNG_DEF: |
| 1070 | case XML_RELAXNG_ZEROORMORE: |
| 1071 | case XML_RELAXNG_ONEORMORE: |
| 1072 | case XML_RELAXNG_OPTIONAL: |
| 1073 | case XML_RELAXNG_CHOICE: |
| 1074 | case XML_RELAXNG_GROUP: |
| 1075 | case XML_RELAXNG_INTERLEAVE: |
| 1076 | if (last == NULL) { |
| 1077 | ret->content = last = cur; |
| 1078 | } else { |
| 1079 | if ((last->type == XML_RELAXNG_ELEMENT) && |
| 1080 | (ret->content == last)) { |
| 1081 | ret->content = xmlRelaxNGNewDefine(ctxt, node); |
| 1082 | if (ret->content != NULL) { |
| 1083 | ret->content->type = XML_RELAXNG_GROUP; |
| 1084 | ret->content->content = last; |
| 1085 | } else { |
| 1086 | ret->content = last; |
| 1087 | } |
| 1088 | } |
| 1089 | last->next = cur; |
| 1090 | last = cur; |
| 1091 | } |
| 1092 | break; |
| 1093 | case XML_RELAXNG_ATTRIBUTE: |
| 1094 | cur->next = ret->attrs; |
| 1095 | ret->attrs = cur; |
| 1096 | break; |
| 1097 | } |
| 1098 | } |
| 1099 | child = child->next; |
| 1100 | } |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1101 | ctxt->define = olddefine; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1102 | return(ret); |
| 1103 | } |
| 1104 | |
| 1105 | /** |
| 1106 | * xmlRelaxNGParsePatterns: |
| 1107 | * @ctxt: a Relax-NG parser context |
| 1108 | * @nodes: list of nodes |
| 1109 | * |
| 1110 | * parse the content of a RelaxNG start node. |
| 1111 | * |
| 1112 | * Returns the definition pointer or NULL in case of error. |
| 1113 | */ |
| 1114 | static xmlRelaxNGDefinePtr |
| 1115 | xmlRelaxNGParsePatterns(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes) { |
| 1116 | xmlRelaxNGDefinePtr def = NULL, last = NULL, cur; |
| 1117 | |
| 1118 | while (nodes != NULL) { |
| 1119 | if (IS_RELAXNG(nodes, "element")) { |
| 1120 | cur = xmlRelaxNGParseElement(ctxt, nodes); |
| 1121 | if (def == NULL) { |
| 1122 | def = last = cur; |
| 1123 | } else { |
| 1124 | if ((def->type == XML_RELAXNG_ELEMENT) && (def == last)) { |
| 1125 | def = xmlRelaxNGNewDefine(ctxt, nodes); |
| 1126 | def->type = XML_RELAXNG_GROUP; |
| 1127 | def->content = last; |
| 1128 | } |
| 1129 | last->next = cur; |
| 1130 | last = cur; |
| 1131 | } |
| 1132 | } else { |
| 1133 | cur = xmlRelaxNGParsePattern(ctxt, nodes); |
| 1134 | if (def == NULL) { |
| 1135 | def = last = cur; |
| 1136 | } else { |
| 1137 | last->next = cur; |
| 1138 | last = cur; |
| 1139 | } |
| 1140 | } |
| 1141 | nodes = nodes->next; |
| 1142 | } |
| 1143 | return(def); |
| 1144 | } |
| 1145 | |
| 1146 | /** |
| 1147 | * xmlRelaxNGParseStart: |
| 1148 | * @ctxt: a Relax-NG parser context |
| 1149 | * @nodes: start children nodes |
| 1150 | * |
| 1151 | * parse the content of a RelaxNG start node. |
| 1152 | * |
| 1153 | * Returns 0 in case of success, -1 in case of error |
| 1154 | */ |
| 1155 | static int |
| 1156 | xmlRelaxNGParseStart(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes) { |
| 1157 | int ret = 0; |
| 1158 | xmlRelaxNGDefinePtr def = NULL; |
| 1159 | |
| 1160 | while (nodes != NULL) { |
| 1161 | if (IS_RELAXNG(nodes, "empty")) { |
| 1162 | TODO |
| 1163 | xmlElemDump(stdout, nodes->doc, nodes); |
| 1164 | } else if (IS_RELAXNG(nodes, "notAllowed")) { |
| 1165 | TODO |
| 1166 | xmlElemDump(stdout, nodes->doc, nodes); |
| 1167 | } else { |
| 1168 | def = xmlRelaxNGParsePatterns(ctxt, nodes); |
| 1169 | ctxt->grammar->start = def; |
| 1170 | } |
| 1171 | nodes = nodes->next; |
| 1172 | } |
| 1173 | return(ret); |
| 1174 | } |
| 1175 | |
| 1176 | /** |
| 1177 | * xmlRelaxNGParseGrammarContent: |
| 1178 | * @ctxt: a Relax-NG parser context |
| 1179 | * @nodes: grammar children nodes |
| 1180 | * |
| 1181 | * parse the content of a RelaxNG grammar node. |
| 1182 | * |
| 1183 | * Returns 0 in case of success, -1 in case of error |
| 1184 | */ |
| 1185 | static int |
| 1186 | xmlRelaxNGParseGrammarContent(xmlRelaxNGParserCtxtPtr ctxt |
| 1187 | ATTRIBUTE_UNUSED, xmlNodePtr nodes) |
| 1188 | { |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1189 | int ret = 0; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1190 | |
| 1191 | if (nodes == NULL) { |
| 1192 | if (ctxt->error != NULL) |
| 1193 | ctxt->error(ctxt->userData, |
| 1194 | "grammar has no children\n"); |
| 1195 | ctxt->nbErrors++; |
| 1196 | return(-1); |
| 1197 | } |
| 1198 | if (IS_RELAXNG(nodes, "start")) { |
| 1199 | if (nodes->children == NULL) { |
| 1200 | if (ctxt->error != NULL) |
| 1201 | ctxt->error(ctxt->userData, |
| 1202 | "grammar has no children\n"); |
| 1203 | ctxt->nbErrors++; |
| 1204 | } else { |
| 1205 | xmlRelaxNGParseStart(ctxt, nodes->children); |
| 1206 | } |
| 1207 | nodes = nodes->next; |
| 1208 | } else { |
| 1209 | if (ctxt->error != NULL) |
| 1210 | ctxt->error(ctxt->userData, |
| 1211 | "grammar first child must be a <start>\n"); |
| 1212 | ctxt->nbErrors++; |
| 1213 | return(-1); |
| 1214 | } |
| 1215 | while (nodes != NULL) { |
| 1216 | if (IS_RELAXNG(nodes, "define")) { |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1217 | ret = xmlRelaxNGParseDefine(ctxt, nodes); |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1218 | } else { |
| 1219 | if (ctxt->error != NULL) |
| 1220 | ctxt->error(ctxt->userData, |
| 1221 | "grammar allows onlys <define> child after <start>\n"); |
| 1222 | ctxt->nbErrors++; |
| 1223 | ret = -1; |
| 1224 | } |
| 1225 | nodes = nodes->next; |
| 1226 | } |
| 1227 | return (ret); |
| 1228 | } |
| 1229 | |
| 1230 | /** |
| 1231 | * xmlRelaxNGCheckReference: |
| 1232 | * @ref: the ref |
| 1233 | * @ctxt: a Relax-NG parser context |
| 1234 | * @name: the name associated to the defines |
| 1235 | * |
| 1236 | * Applies the 4.17. combine attribute rule for all the define |
| 1237 | * element of a given grammar using the same name. |
| 1238 | */ |
| 1239 | static void |
| 1240 | xmlRelaxNGCheckReference(xmlRelaxNGDefinePtr ref, |
| 1241 | xmlRelaxNGParserCtxtPtr ctxt, const xmlChar *name) { |
| 1242 | xmlRelaxNGGrammarPtr grammar; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1243 | xmlRelaxNGDefinePtr def, cur; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1244 | |
| 1245 | grammar = ctxt->grammar; |
| 1246 | if (grammar == NULL) { |
| 1247 | if (ctxt->error != NULL) |
| 1248 | ctxt->error(ctxt->userData, |
| 1249 | "Internal error: no grammar in CheckReference %s\n", |
| 1250 | name); |
| 1251 | ctxt->nbErrors++; |
| 1252 | return; |
| 1253 | } |
| 1254 | if (ref->content != NULL) { |
| 1255 | if (ctxt->error != NULL) |
| 1256 | ctxt->error(ctxt->userData, |
| 1257 | "Internal error: reference has content in CheckReference %s\n", |
| 1258 | name); |
| 1259 | ctxt->nbErrors++; |
| 1260 | return; |
| 1261 | } |
| 1262 | if (grammar->defs != NULL) { |
| 1263 | def = xmlHashLookup(grammar->defs, name); |
| 1264 | if (def != NULL) { |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1265 | cur = ref; |
| 1266 | while (cur != NULL) { |
| 1267 | cur->content = def; |
| 1268 | cur = cur->nextHash; |
| 1269 | } |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1270 | } else { |
| 1271 | TODO |
| 1272 | } |
| 1273 | } |
| 1274 | /* |
| 1275 | * TODO: make a closure and verify there is no loop ! |
| 1276 | */ |
| 1277 | } |
| 1278 | |
| 1279 | /** |
| 1280 | * xmlRelaxNGCheckCombine: |
| 1281 | * @define: the define(s) list |
| 1282 | * @ctxt: a Relax-NG parser context |
| 1283 | * @name: the name associated to the defines |
| 1284 | * |
| 1285 | * Applies the 4.17. combine attribute rule for all the define |
| 1286 | * element of a given grammar using the same name. |
| 1287 | */ |
| 1288 | static void |
| 1289 | xmlRelaxNGCheckCombine(xmlRelaxNGDefinePtr define, |
| 1290 | xmlRelaxNGParserCtxtPtr ctxt, const xmlChar *name) { |
| 1291 | xmlChar *combine; |
| 1292 | int choiceOrInterleave = -1; |
| 1293 | int missing = 0; |
| 1294 | xmlRelaxNGDefinePtr cur, last, tmp, tmp2; |
| 1295 | |
| 1296 | if (define->nextHash == NULL) |
| 1297 | return; |
| 1298 | cur = define; |
| 1299 | while (cur != NULL) { |
| 1300 | combine = xmlGetProp(cur->node, BAD_CAST "combine"); |
| 1301 | if (combine != NULL) { |
| 1302 | if (xmlStrEqual(combine, BAD_CAST "choice")) { |
| 1303 | if (choiceOrInterleave == -1) |
| 1304 | choiceOrInterleave = 1; |
| 1305 | else if (choiceOrInterleave == 0) { |
| 1306 | if (ctxt->error != NULL) |
| 1307 | ctxt->error(ctxt->userData, |
| 1308 | "Defines for %s use both 'choice' and 'interleave'\n", |
| 1309 | name); |
| 1310 | ctxt->nbErrors++; |
| 1311 | } |
| 1312 | } else if (xmlStrEqual(combine, BAD_CAST "choice")) { |
| 1313 | if (choiceOrInterleave == -1) |
| 1314 | choiceOrInterleave = 0; |
| 1315 | else if (choiceOrInterleave == 1) { |
| 1316 | if (ctxt->error != NULL) |
| 1317 | ctxt->error(ctxt->userData, |
| 1318 | "Defines for %s use both 'choice' and 'interleave'\n", |
| 1319 | name); |
| 1320 | ctxt->nbErrors++; |
| 1321 | } |
| 1322 | } else { |
| 1323 | if (ctxt->error != NULL) |
| 1324 | ctxt->error(ctxt->userData, |
| 1325 | "Defines for %s use unknown combine value '%s''\n", |
| 1326 | name, combine); |
| 1327 | ctxt->nbErrors++; |
| 1328 | } |
| 1329 | xmlFree(combine); |
| 1330 | } else { |
| 1331 | if (missing == 0) |
| 1332 | missing = 1; |
| 1333 | else { |
| 1334 | if (ctxt->error != NULL) |
| 1335 | ctxt->error(ctxt->userData, |
| 1336 | "Some defines for %s lacks the combine attribute\n", |
| 1337 | name); |
| 1338 | ctxt->nbErrors++; |
| 1339 | } |
| 1340 | } |
| 1341 | |
| 1342 | cur = cur->nextHash; |
| 1343 | } |
| 1344 | #ifdef DEBUG |
| 1345 | xmlGenericError(xmlGenericErrorContext, |
| 1346 | "xmlRelaxNGCheckCombine(): merging %s defines: %d\n", |
| 1347 | name, choiceOrInterleave); |
| 1348 | #endif |
| 1349 | if (choiceOrInterleave == -1) |
| 1350 | choiceOrInterleave = 0; |
| 1351 | cur = xmlRelaxNGNewDefine(ctxt, define->node); |
| 1352 | if (cur == NULL) |
| 1353 | return; |
| 1354 | if (choiceOrInterleave == 0) |
| 1355 | cur->type = XML_RELAXNG_CHOICE; |
| 1356 | else |
| 1357 | cur->type = XML_RELAXNG_INTERLEAVE; |
| 1358 | tmp = define; |
| 1359 | last = NULL; |
| 1360 | while (tmp != NULL) { |
| 1361 | if (tmp->content != NULL) { |
| 1362 | if (tmp->content->next != NULL) { |
| 1363 | /* |
| 1364 | * we need first to create a wrapper. |
| 1365 | */ |
| 1366 | tmp2 = xmlRelaxNGNewDefine(ctxt, tmp->content->node); |
| 1367 | if (tmp2 == NULL) |
| 1368 | break; |
| 1369 | tmp2->type = XML_RELAXNG_GROUP; |
| 1370 | tmp2->content = tmp->content; |
| 1371 | } else { |
| 1372 | tmp2 = tmp->content; |
| 1373 | } |
| 1374 | if (last == NULL) { |
| 1375 | cur->content = tmp2; |
| 1376 | } else { |
| 1377 | last->next = tmp2; |
| 1378 | } |
| 1379 | last = tmp2; |
| 1380 | tmp->content = NULL; |
| 1381 | } |
| 1382 | tmp = tmp->nextHash; |
| 1383 | } |
| 1384 | define->content = cur; |
| 1385 | } |
| 1386 | |
| 1387 | /** |
| 1388 | * xmlRelaxNGCombineStart: |
| 1389 | * @ctxt: a Relax-NG parser context |
| 1390 | * @grammar: the grammar |
| 1391 | * |
| 1392 | * Applies the 4.17. combine rule for all the start |
| 1393 | * element of a given grammar. |
| 1394 | */ |
| 1395 | static void |
| 1396 | xmlRelaxNGCombineStart(xmlRelaxNGParserCtxtPtr ctxt, |
| 1397 | xmlRelaxNGGrammarPtr grammar) { |
| 1398 | xmlRelaxNGDefinePtr starts; |
| 1399 | xmlChar *combine; |
| 1400 | int choiceOrInterleave = -1; |
| 1401 | int missing = 0; |
| 1402 | xmlRelaxNGDefinePtr cur, last, tmp, tmp2; |
| 1403 | |
| 1404 | starts = grammar->start; |
| 1405 | if (starts->nextHash == NULL) |
| 1406 | return; |
| 1407 | cur = starts; |
| 1408 | while (cur != NULL) { |
| 1409 | combine = xmlGetProp(cur->node, BAD_CAST "combine"); |
| 1410 | if (combine != NULL) { |
| 1411 | if (xmlStrEqual(combine, BAD_CAST "choice")) { |
| 1412 | if (choiceOrInterleave == -1) |
| 1413 | choiceOrInterleave = 1; |
| 1414 | else if (choiceOrInterleave == 0) { |
| 1415 | if (ctxt->error != NULL) |
| 1416 | ctxt->error(ctxt->userData, |
| 1417 | "<start> use both 'choice' and 'interleave'\n"); |
| 1418 | ctxt->nbErrors++; |
| 1419 | } |
| 1420 | } else if (xmlStrEqual(combine, BAD_CAST "choice")) { |
| 1421 | if (choiceOrInterleave == -1) |
| 1422 | choiceOrInterleave = 0; |
| 1423 | else if (choiceOrInterleave == 1) { |
| 1424 | if (ctxt->error != NULL) |
| 1425 | ctxt->error(ctxt->userData, |
| 1426 | "<start> use both 'choice' and 'interleave'\n"); |
| 1427 | ctxt->nbErrors++; |
| 1428 | } |
| 1429 | } else { |
| 1430 | if (ctxt->error != NULL) |
| 1431 | ctxt->error(ctxt->userData, |
| 1432 | "<start> uses unknown combine value '%s''\n", combine); |
| 1433 | ctxt->nbErrors++; |
| 1434 | } |
| 1435 | xmlFree(combine); |
| 1436 | } else { |
| 1437 | if (missing == 0) |
| 1438 | missing = 1; |
| 1439 | else { |
| 1440 | if (ctxt->error != NULL) |
| 1441 | ctxt->error(ctxt->userData, |
| 1442 | "Some <start> elements lacks the combine attribute\n"); |
| 1443 | ctxt->nbErrors++; |
| 1444 | } |
| 1445 | } |
| 1446 | |
| 1447 | cur = cur->nextHash; |
| 1448 | } |
| 1449 | #ifdef DEBUG |
| 1450 | xmlGenericError(xmlGenericErrorContext, |
| 1451 | "xmlRelaxNGCombineStart(): merging <start>: %d\n", |
| 1452 | choiceOrInterleave); |
| 1453 | #endif |
| 1454 | if (choiceOrInterleave == -1) |
| 1455 | choiceOrInterleave = 0; |
| 1456 | cur = xmlRelaxNGNewDefine(ctxt, starts->node); |
| 1457 | if (cur == NULL) |
| 1458 | return; |
| 1459 | if (choiceOrInterleave == 0) |
| 1460 | cur->type = XML_RELAXNG_CHOICE; |
| 1461 | else |
| 1462 | cur->type = XML_RELAXNG_INTERLEAVE; |
| 1463 | tmp = starts; |
| 1464 | last = NULL; |
| 1465 | while (tmp != NULL) { |
| 1466 | if (tmp->content != NULL) { |
| 1467 | if (tmp->content->next != NULL) { |
| 1468 | /* |
| 1469 | * we need first to create a wrapper. |
| 1470 | */ |
| 1471 | tmp2 = xmlRelaxNGNewDefine(ctxt, tmp->content->node); |
| 1472 | if (tmp2 == NULL) |
| 1473 | break; |
| 1474 | tmp2->type = XML_RELAXNG_GROUP; |
| 1475 | tmp2->content = tmp->content; |
| 1476 | } else { |
| 1477 | tmp2 = tmp->content; |
| 1478 | } |
| 1479 | if (last == NULL) { |
| 1480 | cur->content = tmp2; |
| 1481 | } else { |
| 1482 | last->next = tmp2; |
| 1483 | } |
| 1484 | last = tmp2; |
| 1485 | tmp->content = NULL; |
| 1486 | } |
| 1487 | tmp = tmp->nextHash; |
| 1488 | } |
| 1489 | starts->content = cur; |
| 1490 | } |
| 1491 | |
| 1492 | /** |
| 1493 | * xmlRelaxNGParseGrammar: |
| 1494 | * @ctxt: a Relax-NG parser context |
| 1495 | * @nodes: grammar children nodes |
| 1496 | * |
| 1497 | * parse a Relax-NG <grammar> node |
| 1498 | * |
| 1499 | * Returns the internal xmlRelaxNGGrammarPtr built or |
| 1500 | * NULL in case of error |
| 1501 | */ |
| 1502 | static xmlRelaxNGGrammarPtr |
| 1503 | xmlRelaxNGParseGrammar(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes) { |
| 1504 | xmlRelaxNGGrammarPtr ret, tmp, old; |
| 1505 | |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1506 | ret = xmlRelaxNGNewGrammar(ctxt); |
| 1507 | if (ret == NULL) |
| 1508 | return(NULL); |
| 1509 | |
| 1510 | /* |
| 1511 | * Link the new grammar in the tree |
| 1512 | */ |
| 1513 | ret->parent = ctxt->grammar; |
| 1514 | if (ctxt->grammar != NULL) { |
| 1515 | tmp = ctxt->grammar->children; |
| 1516 | if (tmp == NULL) { |
| 1517 | ctxt->grammar->children = ret; |
| 1518 | } else { |
| 1519 | while (tmp->next != NULL) |
| 1520 | tmp = tmp->next; |
| 1521 | tmp->next = ret; |
| 1522 | } |
| 1523 | } |
| 1524 | |
| 1525 | old = ctxt->grammar; |
| 1526 | ctxt->grammar = ret; |
| 1527 | xmlRelaxNGParseGrammarContent(ctxt, nodes); |
| 1528 | ctxt->grammar = ret; |
| 1529 | |
| 1530 | /* |
| 1531 | * Apply 4.17 mergingd rules to defines and starts |
| 1532 | */ |
| 1533 | xmlRelaxNGCombineStart(ctxt, ret); |
| 1534 | if (ret->defs != NULL) { |
| 1535 | xmlHashScan(ret->defs, (xmlHashScanner) xmlRelaxNGCheckCombine, |
| 1536 | ctxt); |
| 1537 | } |
| 1538 | |
| 1539 | /* |
| 1540 | * link together defines and refs in this grammar |
| 1541 | */ |
| 1542 | if (ret->refs != NULL) { |
| 1543 | xmlHashScan(ret->refs, (xmlHashScanner) xmlRelaxNGCheckReference, |
| 1544 | ctxt); |
| 1545 | } |
| 1546 | ctxt->grammar = old; |
| 1547 | return(ret); |
| 1548 | } |
| 1549 | |
| 1550 | /** |
| 1551 | * xmlRelaxNGParseDocument: |
| 1552 | * @ctxt: a Relax-NG parser context |
| 1553 | * @node: the root node of the RelaxNG schema |
| 1554 | * |
| 1555 | * parse a Relax-NG definition resource and build an internal |
| 1556 | * xmlRelaxNG struture which can be used to validate instances. |
| 1557 | * |
| 1558 | * Returns the internal XML RelaxNG structure built or |
| 1559 | * NULL in case of error |
| 1560 | */ |
| 1561 | static xmlRelaxNGPtr |
| 1562 | xmlRelaxNGParseDocument(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 1563 | xmlRelaxNGPtr schema = NULL; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1564 | const xmlChar *olddefine; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1565 | |
| 1566 | if ((ctxt == NULL) || (node == NULL)) |
| 1567 | return (NULL); |
| 1568 | |
| 1569 | schema = xmlRelaxNGNewRelaxNG(ctxt); |
| 1570 | if (schema == NULL) |
| 1571 | return(NULL); |
| 1572 | |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1573 | olddefine = ctxt->define; |
| 1574 | ctxt->define = NULL; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1575 | if (IS_RELAXNG(node, "grammar")) { |
| 1576 | schema->topgrammar = xmlRelaxNGParseGrammar(ctxt, node->children); |
| 1577 | } else { |
| 1578 | schema->topgrammar = xmlRelaxNGNewGrammar(ctxt); |
| 1579 | if (schema->topgrammar == NULL) { |
| 1580 | return(schema); |
| 1581 | } |
| 1582 | schema->topgrammar->parent = NULL; |
| 1583 | ctxt->grammar = schema->topgrammar; |
| 1584 | xmlRelaxNGParseStart(ctxt, node); |
| 1585 | } |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1586 | ctxt->define = olddefine; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1587 | |
| 1588 | #ifdef DEBUG |
| 1589 | if (schema == NULL) |
| 1590 | xmlGenericError(xmlGenericErrorContext, |
| 1591 | "xmlRelaxNGParseDocument() failed\n"); |
| 1592 | #endif |
| 1593 | |
| 1594 | return (schema); |
| 1595 | } |
| 1596 | |
| 1597 | /************************************************************************ |
| 1598 | * * |
| 1599 | * Reading RelaxNGs * |
| 1600 | * * |
| 1601 | ************************************************************************/ |
| 1602 | |
| 1603 | /** |
| 1604 | * xmlRelaxNGNewParserCtxt: |
| 1605 | * @URL: the location of the schema |
| 1606 | * |
| 1607 | * Create an XML RelaxNGs parse context for that file/resource expected |
| 1608 | * to contain an XML RelaxNGs file. |
| 1609 | * |
| 1610 | * Returns the parser context or NULL in case of error |
| 1611 | */ |
| 1612 | xmlRelaxNGParserCtxtPtr |
| 1613 | xmlRelaxNGNewParserCtxt(const char *URL) { |
| 1614 | xmlRelaxNGParserCtxtPtr ret; |
| 1615 | |
| 1616 | if (URL == NULL) |
| 1617 | return(NULL); |
| 1618 | |
| 1619 | ret = (xmlRelaxNGParserCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGParserCtxt)); |
| 1620 | if (ret == NULL) { |
| 1621 | xmlGenericError(xmlGenericErrorContext, |
| 1622 | "Failed to allocate new schama parser context for %s\n", URL); |
| 1623 | return (NULL); |
| 1624 | } |
| 1625 | memset(ret, 0, sizeof(xmlRelaxNGParserCtxt)); |
| 1626 | ret->URL = xmlStrdup((const xmlChar *)URL); |
| 1627 | return (ret); |
| 1628 | } |
| 1629 | |
| 1630 | /** |
| 1631 | * xmlRelaxNGNewMemParserCtxt: |
| 1632 | * @buffer: a pointer to a char array containing the schemas |
| 1633 | * @size: the size of the array |
| 1634 | * |
| 1635 | * Create an XML RelaxNGs parse context for that memory buffer expected |
| 1636 | * to contain an XML RelaxNGs file. |
| 1637 | * |
| 1638 | * Returns the parser context or NULL in case of error |
| 1639 | */ |
| 1640 | xmlRelaxNGParserCtxtPtr |
| 1641 | xmlRelaxNGNewMemParserCtxt(const char *buffer, int size) { |
| 1642 | xmlRelaxNGParserCtxtPtr ret; |
| 1643 | |
| 1644 | if ((buffer == NULL) || (size <= 0)) |
| 1645 | return(NULL); |
| 1646 | |
| 1647 | ret = (xmlRelaxNGParserCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGParserCtxt)); |
| 1648 | if (ret == NULL) { |
| 1649 | xmlGenericError(xmlGenericErrorContext, |
| 1650 | "Failed to allocate new schama parser context\n"); |
| 1651 | return (NULL); |
| 1652 | } |
| 1653 | memset(ret, 0, sizeof(xmlRelaxNGParserCtxt)); |
| 1654 | ret->buffer = buffer; |
| 1655 | ret->size = size; |
| 1656 | return (ret); |
| 1657 | } |
| 1658 | |
| 1659 | /** |
| 1660 | * xmlRelaxNGFreeParserCtxt: |
| 1661 | * @ctxt: the schema parser context |
| 1662 | * |
| 1663 | * Free the resources associated to the schema parser context |
| 1664 | */ |
| 1665 | void |
| 1666 | xmlRelaxNGFreeParserCtxt(xmlRelaxNGParserCtxtPtr ctxt) { |
| 1667 | if (ctxt == NULL) |
| 1668 | return; |
| 1669 | if (ctxt->URL != NULL) |
| 1670 | xmlFree(ctxt->URL); |
| 1671 | if (ctxt->doc != NULL) |
| 1672 | xmlFreeDoc(ctxt->doc); |
| 1673 | xmlFree(ctxt); |
| 1674 | } |
| 1675 | |
| 1676 | |
| 1677 | /** |
| 1678 | * xmlRelaxNGParse: |
| 1679 | * @ctxt: a Relax-NG validation context |
| 1680 | * |
| 1681 | * parse a schema definition resource and build an internal |
| 1682 | * XML Shema struture which can be used to validate instances. |
| 1683 | * *WARNING* this interface is highly subject to change |
| 1684 | * |
| 1685 | * Returns the internal XML RelaxNG structure built from the resource or |
| 1686 | * NULL in case of error |
| 1687 | */ |
| 1688 | xmlRelaxNGPtr |
| 1689 | xmlRelaxNGParse(xmlRelaxNGParserCtxtPtr ctxt) |
| 1690 | { |
| 1691 | xmlRelaxNGPtr ret = NULL; |
| 1692 | xmlDocPtr doc; |
| 1693 | xmlNodePtr root, cur, delete; |
| 1694 | |
| 1695 | xmlRelaxNGInitTypes(); |
| 1696 | |
| 1697 | if (ctxt == NULL) |
| 1698 | return (NULL); |
| 1699 | |
| 1700 | /* |
| 1701 | * First step is to parse the input document into an DOM/Infoset |
| 1702 | */ |
| 1703 | if (ctxt->URL != NULL) { |
| 1704 | doc = xmlParseFile((const char *) ctxt->URL); |
| 1705 | if (doc == NULL) { |
| 1706 | if (ctxt->error != NULL) |
| 1707 | ctxt->error(ctxt->userData, |
| 1708 | "xmlRelaxNGParse: could not load %s\n", ctxt->URL); |
| 1709 | ctxt->nbErrors++; |
| 1710 | return (NULL); |
| 1711 | } |
| 1712 | } else if (ctxt->buffer != NULL) { |
| 1713 | doc = xmlParseMemory(ctxt->buffer, ctxt->size); |
| 1714 | if (doc == NULL) { |
| 1715 | if (ctxt->error != NULL) |
| 1716 | ctxt->error(ctxt->userData, |
| 1717 | "xmlRelaxNGParse: could not parse schemas\n"); |
| 1718 | ctxt->nbErrors++; |
| 1719 | return (NULL); |
| 1720 | } |
| 1721 | doc->URL = xmlStrdup(BAD_CAST "in_memory_buffer"); |
| 1722 | ctxt->URL = xmlStrdup(BAD_CAST "in_memory_buffer"); |
| 1723 | } else { |
| 1724 | if (ctxt->error != NULL) |
| 1725 | ctxt->error(ctxt->userData, |
| 1726 | "xmlRelaxNGParse: nothing to parse\n"); |
| 1727 | ctxt->nbErrors++; |
| 1728 | return (NULL); |
| 1729 | } |
| 1730 | ctxt->doc = doc; |
| 1731 | |
| 1732 | /* |
| 1733 | * Then extract the root and RelaxNG parse it |
| 1734 | */ |
| 1735 | root = xmlDocGetRootElement(doc); |
| 1736 | if (root == NULL) { |
| 1737 | if (ctxt->error != NULL) |
| 1738 | ctxt->error(ctxt->userData, "xmlRelaxNGParse: %s is empty\n", |
| 1739 | ctxt->URL); |
| 1740 | ctxt->nbErrors++; |
| 1741 | return (NULL); |
| 1742 | } |
| 1743 | |
| 1744 | /* |
| 1745 | * Remove all the blank text nodes |
| 1746 | */ |
| 1747 | delete = NULL; |
| 1748 | cur = root; |
| 1749 | while (cur != NULL) { |
| 1750 | if (delete != NULL) { |
| 1751 | xmlUnlinkNode(delete); |
| 1752 | xmlFreeNode(delete); |
| 1753 | delete = NULL; |
| 1754 | } |
| 1755 | if (cur->type == XML_ELEMENT_NODE) { |
| 1756 | /* |
| 1757 | * Simplification 4.1. Annotations |
| 1758 | */ |
| 1759 | if ((cur->ns == NULL) || |
| 1760 | (!xmlStrEqual(cur->ns->href, xmlRelaxNGNs))) { |
| 1761 | delete = cur; |
| 1762 | goto skip_children; |
| 1763 | } else { |
| 1764 | if (xmlStrEqual(cur->name, BAD_CAST "externalRef")) { |
| 1765 | TODO |
| 1766 | } else if (xmlStrEqual(cur->name, BAD_CAST "include")) { |
| 1767 | TODO |
| 1768 | } else if ((xmlStrEqual(cur->name, BAD_CAST "element")) || |
| 1769 | (xmlStrEqual(cur->name, BAD_CAST "attribute"))) { |
| 1770 | xmlChar *name; |
| 1771 | xmlNodePtr text = NULL; |
| 1772 | |
| 1773 | /* |
| 1774 | * Simplification 4.8. name attribute of element |
| 1775 | * and attribute elements |
| 1776 | */ |
| 1777 | name = xmlGetProp(cur, BAD_CAST "name"); |
| 1778 | if (name != NULL) { |
| 1779 | if (cur->children == NULL) { |
| 1780 | text = xmlNewChild(cur, cur->ns, BAD_CAST "name", |
| 1781 | name); |
| 1782 | } else { |
| 1783 | xmlNodePtr node; |
| 1784 | node = xmlNewNode(cur->ns, BAD_CAST "name"); |
| 1785 | if (node != NULL) { |
| 1786 | xmlAddPrevSibling(cur->children, node); |
| 1787 | text = xmlNewText(name); |
| 1788 | xmlAddChild(node, text); |
| 1789 | text = node; |
| 1790 | } |
| 1791 | } |
| 1792 | xmlUnsetProp(cur, BAD_CAST "name"); |
| 1793 | xmlFree(name); |
| 1794 | } |
| 1795 | if (xmlStrEqual(cur->name, BAD_CAST "attribute")) { |
| 1796 | if (text == NULL) { |
| 1797 | text = cur->children; |
| 1798 | while (text != NULL) { |
| 1799 | if ((text->type == XML_ELEMENT_NODE) && |
| 1800 | (xmlStrEqual(text->name, BAD_CAST "name"))) |
| 1801 | break; |
| 1802 | text = text->next; |
| 1803 | } |
| 1804 | } |
| 1805 | if (text == NULL) { |
| 1806 | if (ctxt->error != NULL) |
| 1807 | ctxt->error(ctxt->userData, |
| 1808 | "xmlRelaxNGParse: attribute without name\n"); |
| 1809 | ctxt->nbErrors++; |
| 1810 | } else { |
| 1811 | xmlSetProp(text, BAD_CAST "ns", BAD_CAST ""); |
| 1812 | } |
| 1813 | } |
| 1814 | } else if ((xmlStrEqual(cur->name, BAD_CAST "name")) || |
| 1815 | (xmlStrEqual(cur->name, BAD_CAST "nsName")) || |
| 1816 | (xmlStrEqual(cur->name, BAD_CAST "value"))) { |
| 1817 | /* |
| 1818 | * Simplification 4.8. name attribute of element |
| 1819 | * and attribute elements |
| 1820 | */ |
| 1821 | if (xmlHasProp(cur, BAD_CAST "ns") == NULL) { |
| 1822 | xmlNodePtr node; |
| 1823 | xmlChar *ns = NULL; |
| 1824 | |
| 1825 | node = cur->parent; |
| 1826 | while ((node != NULL) && |
| 1827 | (node->type == XML_ELEMENT_NODE)) { |
| 1828 | ns = xmlGetProp(node, BAD_CAST "ns"); |
| 1829 | if (ns != NULL) { |
| 1830 | break; |
| 1831 | } |
| 1832 | node = node->parent; |
| 1833 | } |
| 1834 | if (ns == NULL) { |
| 1835 | xmlSetProp(cur, BAD_CAST "ns", BAD_CAST ""); |
| 1836 | } else { |
| 1837 | xmlSetProp(cur, BAD_CAST "ns", ns); |
| 1838 | xmlFree(ns); |
| 1839 | } |
| 1840 | } |
| 1841 | if (xmlStrEqual(cur->name, BAD_CAST "name")) { |
| 1842 | xmlChar *name, *local, *prefix; |
| 1843 | |
| 1844 | /* |
| 1845 | * Simplification: 4.10. QNames |
| 1846 | */ |
| 1847 | name = xmlNodeGetContent(cur); |
| 1848 | if (name != NULL) { |
| 1849 | local = xmlSplitQName2(name, &prefix); |
| 1850 | if (local != NULL) { |
| 1851 | xmlNsPtr ns; |
| 1852 | |
| 1853 | ns = xmlSearchNs(cur->doc, cur, prefix); |
| 1854 | if (ns == NULL) { |
| 1855 | if (ctxt->error != NULL) |
| 1856 | ctxt->error(ctxt->userData, |
| 1857 | "xmlRelaxNGParse: no namespace for prefix %s\n", prefix); |
| 1858 | ctxt->nbErrors++; |
| 1859 | } else { |
| 1860 | xmlSetProp(cur, BAD_CAST "ns", ns->href); |
| 1861 | xmlNodeSetContent(cur, local); |
| 1862 | } |
| 1863 | xmlFree(local); |
| 1864 | xmlFree(prefix); |
| 1865 | } |
| 1866 | xmlFree(name); |
| 1867 | } |
| 1868 | } |
| 1869 | } |
| 1870 | } |
| 1871 | } |
| 1872 | /* |
| 1873 | * Simplification 4.2 whitespaces |
| 1874 | */ |
| 1875 | else if (cur->type == XML_TEXT_NODE) { |
| 1876 | if (IS_BLANK_NODE(cur)) { |
| 1877 | if (cur->parent->type == XML_ELEMENT_NODE) { |
| 1878 | if ((!xmlStrEqual(cur->parent->name, BAD_CAST "value")) && |
| 1879 | (!xmlStrEqual(cur->parent->name, BAD_CAST "param"))) |
| 1880 | delete = cur; |
| 1881 | } else { |
| 1882 | delete = cur; |
| 1883 | goto skip_children; |
| 1884 | } |
| 1885 | } |
| 1886 | } else if (cur->type != XML_CDATA_SECTION_NODE) { |
| 1887 | delete = cur; |
| 1888 | goto skip_children; |
| 1889 | } |
| 1890 | |
| 1891 | /* |
| 1892 | * Skip to next node |
| 1893 | */ |
| 1894 | if (cur->children != NULL) { |
| 1895 | if ((cur->children->type != XML_ENTITY_DECL) && |
| 1896 | (cur->children->type != XML_ENTITY_REF_NODE) && |
| 1897 | (cur->children->type != XML_ENTITY_NODE)) { |
| 1898 | cur = cur->children; |
| 1899 | continue; |
| 1900 | } |
| 1901 | } |
| 1902 | skip_children: |
| 1903 | if (cur->next != NULL) { |
| 1904 | cur = cur->next; |
| 1905 | continue; |
| 1906 | } |
| 1907 | |
| 1908 | do { |
| 1909 | cur = cur->parent; |
| 1910 | if (cur == NULL) |
| 1911 | break; |
| 1912 | if (cur == root) { |
| 1913 | cur = NULL; |
| 1914 | break; |
| 1915 | } |
| 1916 | if (cur->next != NULL) { |
| 1917 | cur = cur->next; |
| 1918 | break; |
| 1919 | } |
| 1920 | } while (cur != NULL); |
| 1921 | } |
| 1922 | if (delete != NULL) { |
| 1923 | xmlUnlinkNode(delete); |
| 1924 | xmlFreeNode(delete); |
| 1925 | delete = NULL; |
| 1926 | } |
| 1927 | |
| 1928 | /* |
| 1929 | * Then do the parsing for good |
| 1930 | */ |
| 1931 | root = xmlDocGetRootElement(doc); |
| 1932 | if (root == NULL) { |
| 1933 | if (ctxt->error != NULL) |
| 1934 | ctxt->error(ctxt->userData, "xmlRelaxNGParse: %s is empty\n", |
| 1935 | ctxt->URL); |
| 1936 | ctxt->nbErrors++; |
| 1937 | return (NULL); |
| 1938 | } |
| 1939 | ret = xmlRelaxNGParseDocument(ctxt, root); |
| 1940 | if (ret == NULL) |
| 1941 | return(NULL); |
| 1942 | |
| 1943 | /* |
| 1944 | * Check the ref/defines links |
| 1945 | */ |
| 1946 | |
| 1947 | /* |
| 1948 | * if there was a parsing error return NULL |
| 1949 | */ |
| 1950 | if (ctxt->nbErrors > 0) { |
| 1951 | xmlRelaxNGFree(ret); |
| 1952 | return(NULL); |
| 1953 | } |
| 1954 | |
| 1955 | /* |
| 1956 | * Transfer the pointer for cleanup at the schema level. |
| 1957 | */ |
| 1958 | ret->doc = doc; |
| 1959 | ctxt->doc = NULL; |
| 1960 | |
| 1961 | return (ret); |
| 1962 | } |
| 1963 | |
| 1964 | /** |
| 1965 | * xmlRelaxNGSetParserErrors: |
| 1966 | * @ctxt: a Relax-NG validation context |
| 1967 | * @err: the error callback |
| 1968 | * @warn: the warning callback |
| 1969 | * @ctx: contextual data for the callbacks |
| 1970 | * |
| 1971 | * Set the callback functions used to handle errors for a validation context |
| 1972 | */ |
| 1973 | void |
| 1974 | xmlRelaxNGSetParserErrors(xmlRelaxNGParserCtxtPtr ctxt, |
| 1975 | xmlRelaxNGValidityErrorFunc err, |
| 1976 | xmlRelaxNGValidityWarningFunc warn, void *ctx) { |
| 1977 | if (ctxt == NULL) |
| 1978 | return; |
| 1979 | ctxt->error = err; |
| 1980 | ctxt->warning = warn; |
| 1981 | ctxt->userData = ctx; |
| 1982 | } |
| 1983 | /************************************************************************ |
| 1984 | * * |
| 1985 | * Dump back a compiled form * |
| 1986 | * * |
| 1987 | ************************************************************************/ |
| 1988 | static void xmlRelaxNGDumpDefine(FILE * output, xmlRelaxNGDefinePtr define); |
| 1989 | |
| 1990 | /** |
| 1991 | * xmlRelaxNGDumpDefines: |
| 1992 | * @output: the file output |
| 1993 | * @defines: a list of define structures |
| 1994 | * |
| 1995 | * Dump a RelaxNG structure back |
| 1996 | */ |
| 1997 | static void |
| 1998 | xmlRelaxNGDumpDefines(FILE * output, xmlRelaxNGDefinePtr defines) { |
| 1999 | while (defines != NULL) { |
| 2000 | xmlRelaxNGDumpDefine(output, defines); |
| 2001 | defines = defines->next; |
| 2002 | } |
| 2003 | } |
| 2004 | |
| 2005 | /** |
| 2006 | * xmlRelaxNGDumpDefine: |
| 2007 | * @output: the file output |
| 2008 | * @define: a define structure |
| 2009 | * |
| 2010 | * Dump a RelaxNG structure back |
| 2011 | */ |
| 2012 | static void |
| 2013 | xmlRelaxNGDumpDefine(FILE * output, xmlRelaxNGDefinePtr define) { |
| 2014 | if (define == NULL) |
| 2015 | return; |
| 2016 | switch(define->type) { |
| 2017 | case XML_RELAXNG_EMPTY: |
| 2018 | fprintf(output, "<empty/>\n"); |
| 2019 | break; |
| 2020 | case XML_RELAXNG_NOT_ALLOWED: |
| 2021 | fprintf(output, "<notAllowed/>\n"); |
| 2022 | break; |
| 2023 | case XML_RELAXNG_TEXT: |
| 2024 | fprintf(output, "<text/>\n"); |
| 2025 | break; |
| 2026 | case XML_RELAXNG_ELEMENT: |
| 2027 | fprintf(output, "<element>\n"); |
| 2028 | if (define->name != NULL) { |
| 2029 | fprintf(output, "<name"); |
| 2030 | if (define->ns != NULL) |
| 2031 | fprintf(output, " ns=\"%s\"", define->ns); |
| 2032 | fprintf(output, ">%s</name>\n", define->name); |
| 2033 | } |
| 2034 | xmlRelaxNGDumpDefines(output, define->attrs); |
| 2035 | xmlRelaxNGDumpDefines(output, define->content); |
| 2036 | fprintf(output, "</element>\n"); |
| 2037 | break; |
| 2038 | case XML_RELAXNG_LIST: |
| 2039 | fprintf(output, "<list>\n"); |
| 2040 | xmlRelaxNGDumpDefines(output, define->content); |
| 2041 | fprintf(output, "</list>\n"); |
| 2042 | break; |
| 2043 | case XML_RELAXNG_ONEORMORE: |
| 2044 | fprintf(output, "<oneOrMore>\n"); |
| 2045 | xmlRelaxNGDumpDefines(output, define->content); |
| 2046 | fprintf(output, "</oneOrMore>\n"); |
| 2047 | break; |
| 2048 | case XML_RELAXNG_ZEROORMORE: |
| 2049 | fprintf(output, "<zeroOrMore>\n"); |
| 2050 | xmlRelaxNGDumpDefines(output, define->content); |
| 2051 | fprintf(output, "</zeroOrMore>\n"); |
| 2052 | break; |
| 2053 | case XML_RELAXNG_CHOICE: |
| 2054 | fprintf(output, "<choice>\n"); |
| 2055 | xmlRelaxNGDumpDefines(output, define->content); |
| 2056 | fprintf(output, "</choice>\n"); |
| 2057 | break; |
| 2058 | case XML_RELAXNG_GROUP: |
| 2059 | fprintf(output, "<group>\n"); |
| 2060 | xmlRelaxNGDumpDefines(output, define->content); |
| 2061 | fprintf(output, "</group>\n"); |
| 2062 | break; |
| 2063 | case XML_RELAXNG_INTERLEAVE: |
| 2064 | fprintf(output, "<interleave>\n"); |
| 2065 | xmlRelaxNGDumpDefines(output, define->content); |
| 2066 | fprintf(output, "</interleave>\n"); |
| 2067 | break; |
| 2068 | case XML_RELAXNG_OPTIONAL: |
| 2069 | fprintf(output, "<optional>\n"); |
| 2070 | xmlRelaxNGDumpDefines(output, define->content); |
| 2071 | fprintf(output, "</optional>\n"); |
| 2072 | break; |
| 2073 | case XML_RELAXNG_ATTRIBUTE: |
| 2074 | fprintf(output, "<attribute>\n"); |
| 2075 | xmlRelaxNGDumpDefines(output, define->content); |
| 2076 | fprintf(output, "</attribute>\n"); |
| 2077 | break; |
| 2078 | case XML_RELAXNG_DEF: |
| 2079 | fprintf(output, "<define"); |
| 2080 | if (define->name != NULL) |
| 2081 | fprintf(output, " name=\"%s\"", define->name); |
| 2082 | fprintf(output, ">\n"); |
| 2083 | xmlRelaxNGDumpDefines(output, define->content); |
| 2084 | fprintf(output, "</define>\n"); |
| 2085 | break; |
| 2086 | case XML_RELAXNG_REF: |
| 2087 | fprintf(output, "<ref"); |
| 2088 | if (define->name != NULL) |
| 2089 | fprintf(output, " name=\"%s\"", define->name); |
| 2090 | fprintf(output, ">\n"); |
| 2091 | xmlRelaxNGDumpDefines(output, define->content); |
| 2092 | fprintf(output, "</ref>\n"); |
| 2093 | break; |
| 2094 | case XML_RELAXNG_DATATYPE: |
| 2095 | case XML_RELAXNG_VALUE: |
| 2096 | TODO |
| 2097 | break; |
| 2098 | } |
| 2099 | } |
| 2100 | |
| 2101 | /** |
| 2102 | * xmlRelaxNGDumpGrammar: |
| 2103 | * @output: the file output |
| 2104 | * @grammar: a grammar structure |
| 2105 | * @top: is this a top grammar |
| 2106 | * |
| 2107 | * Dump a RelaxNG structure back |
| 2108 | */ |
| 2109 | static void |
| 2110 | xmlRelaxNGDumpGrammar(FILE * output, xmlRelaxNGGrammarPtr grammar, int top) |
| 2111 | { |
| 2112 | if (grammar == NULL) |
| 2113 | return; |
| 2114 | |
| 2115 | fprintf(output, "<grammar"); |
| 2116 | if (top) |
| 2117 | fprintf(output, |
| 2118 | " xmlns=\"http://relaxng.org/ns/structure/1.0\""); |
| 2119 | switch(grammar->combine) { |
| 2120 | case XML_RELAXNG_COMBINE_UNDEFINED: |
| 2121 | break; |
| 2122 | case XML_RELAXNG_COMBINE_CHOICE: |
| 2123 | fprintf(output, " combine=\"choice\""); |
| 2124 | break; |
| 2125 | case XML_RELAXNG_COMBINE_INTERLEAVE: |
| 2126 | fprintf(output, " combine=\"interleave\""); |
| 2127 | break; |
| 2128 | default: |
| 2129 | fprintf(output, " <!-- invalid combine value -->"); |
| 2130 | } |
| 2131 | fprintf(output, ">\n"); |
| 2132 | if (grammar->start == NULL) { |
| 2133 | fprintf(output, " <!-- grammar had no start -->"); |
| 2134 | } else { |
| 2135 | fprintf(output, "<start>\n"); |
| 2136 | xmlRelaxNGDumpDefine(output, grammar->start); |
| 2137 | fprintf(output, "</start>\n"); |
| 2138 | } |
| 2139 | /* TODO ? Dump the defines ? */ |
| 2140 | fprintf(output, "</grammar>\n"); |
| 2141 | } |
| 2142 | |
| 2143 | /** |
| 2144 | * xmlRelaxNGDump: |
| 2145 | * @output: the file output |
| 2146 | * @schema: a schema structure |
| 2147 | * |
| 2148 | * Dump a RelaxNG structure back |
| 2149 | */ |
| 2150 | void |
| 2151 | xmlRelaxNGDump(FILE * output, xmlRelaxNGPtr schema) |
| 2152 | { |
| 2153 | if (schema == NULL) { |
| 2154 | fprintf(output, "RelaxNG empty or failed to compile\n"); |
| 2155 | return; |
| 2156 | } |
| 2157 | fprintf(output, "RelaxNG: "); |
| 2158 | if (schema->doc == NULL) { |
| 2159 | fprintf(output, "no document\n"); |
| 2160 | } else if (schema->doc->URL != NULL) { |
| 2161 | fprintf(output, "%s\n", schema->doc->URL); |
| 2162 | } else { |
| 2163 | fprintf(output, "\n"); |
| 2164 | } |
| 2165 | if (schema->topgrammar == NULL) { |
| 2166 | fprintf(output, "RelaxNG has no top grammar\n"); |
| 2167 | return; |
| 2168 | } |
| 2169 | xmlRelaxNGDumpGrammar(output, schema->topgrammar, 1); |
| 2170 | } |
| 2171 | |
| 2172 | /************************************************************************ |
| 2173 | * * |
| 2174 | * Validation implementation * |
| 2175 | * * |
| 2176 | ************************************************************************/ |
| 2177 | static int xmlRelaxNGValidateDefinition(xmlRelaxNGValidCtxtPtr ctxt, |
| 2178 | xmlRelaxNGDefinePtr define); |
| 2179 | |
| 2180 | /** |
| 2181 | * xmlRelaxNGSkipIgnored: |
| 2182 | * @ctxt: a schema validation context |
| 2183 | * @node: the top node. |
| 2184 | * |
| 2185 | * Skip ignorable nodes in that context |
| 2186 | * |
| 2187 | * Returns the new sibling or NULL in case of error. |
| 2188 | */ |
| 2189 | static xmlNodePtr |
| 2190 | xmlRelaxNGSkipIgnored(xmlRelaxNGValidCtxtPtr ctxt ATTRIBUTE_UNUSED, |
| 2191 | xmlNodePtr node) { |
| 2192 | /* |
| 2193 | * TODO complete and handle entities |
| 2194 | */ |
| 2195 | while ((node != NULL) && |
| 2196 | ((node->type == XML_COMMENT_NODE) || |
| 2197 | ((node->type == XML_TEXT_NODE) && |
| 2198 | (IS_BLANK_NODE(node))))) { |
| 2199 | node = node->next; |
| 2200 | } |
| 2201 | return(node); |
| 2202 | } |
| 2203 | |
| 2204 | /** |
| 2205 | * xmlRelaxNGValidateValue: |
| 2206 | * @ctxt: a Relax-NG validation context |
| 2207 | * @define: the definition to verify |
| 2208 | * |
| 2209 | * Validate the given definition for the current value |
| 2210 | * |
| 2211 | * Returns 0 if the validation succeeded or an error code. |
| 2212 | */ |
| 2213 | static int |
| 2214 | xmlRelaxNGValidateValue(xmlRelaxNGValidCtxtPtr ctxt, |
| 2215 | xmlRelaxNGDefinePtr define) { |
| 2216 | int ret = 0; |
| 2217 | xmlChar *value; |
| 2218 | |
| 2219 | value = ctxt->state->value; |
| 2220 | switch (define->type) { |
| 2221 | case XML_RELAXNG_EMPTY: |
| 2222 | if ((value != NULL) && (value[0] != '0')) |
| 2223 | ret = -1; |
| 2224 | break; |
| 2225 | case XML_RELAXNG_TEXT: |
| 2226 | break; |
| 2227 | default: |
| 2228 | TODO |
| 2229 | ret = -1; |
| 2230 | } |
| 2231 | return(ret); |
| 2232 | } |
| 2233 | |
| 2234 | /** |
| 2235 | * xmlRelaxNGValidateValueContent: |
| 2236 | * @ctxt: a Relax-NG validation context |
| 2237 | * @defines: the list of definitions to verify |
| 2238 | * |
| 2239 | * Validate the given definitions for the current value |
| 2240 | * |
| 2241 | * Returns 0 if the validation succeeded or an error code. |
| 2242 | */ |
| 2243 | static int |
| 2244 | xmlRelaxNGValidateValueContent(xmlRelaxNGValidCtxtPtr ctxt, |
| 2245 | xmlRelaxNGDefinePtr defines) { |
| 2246 | int ret = 0; |
| 2247 | |
| 2248 | while (defines != NULL) { |
| 2249 | ret = xmlRelaxNGValidateValue(ctxt, defines); |
| 2250 | if (ret != 0) |
| 2251 | break; |
| 2252 | defines = defines->next; |
| 2253 | } |
| 2254 | return(ret); |
| 2255 | } |
| 2256 | |
| 2257 | /** |
| 2258 | * xmlRelaxNGValidateAttribute: |
| 2259 | * @ctxt: a Relax-NG validation context |
| 2260 | * @define: the definition to verify |
| 2261 | * |
| 2262 | * Validate the given attribute definition for that node |
| 2263 | * |
| 2264 | * Returns 0 if the validation succeeded or an error code. |
| 2265 | */ |
| 2266 | static int |
| 2267 | xmlRelaxNGValidateAttribute(xmlRelaxNGValidCtxtPtr ctxt, |
| 2268 | xmlRelaxNGDefinePtr define) { |
| 2269 | int ret = 0, i; |
| 2270 | xmlChar *value, *oldvalue; |
| 2271 | xmlAttrPtr prop = NULL, tmp; |
| 2272 | |
| 2273 | if (define->name != NULL) { |
| 2274 | for (i = 0;i < ctxt->state->nbAttrs;i++) { |
| 2275 | tmp = ctxt->state->attrs[i]; |
| 2276 | if ((tmp != NULL) && (xmlStrEqual(define->name, tmp->name))) { |
| 2277 | if ((((define->ns == NULL) || (define->ns[0] == 0)) && |
| 2278 | (tmp->ns == NULL)) || |
| 2279 | ((tmp->ns != NULL) && |
| 2280 | (xmlStrEqual(define->ns, tmp->ns->href)))) { |
| 2281 | prop = tmp; |
| 2282 | break; |
| 2283 | } |
| 2284 | } |
| 2285 | } |
| 2286 | if (prop != NULL) { |
| 2287 | value = xmlNodeListGetString(prop->doc, prop->children, 1); |
| 2288 | oldvalue = ctxt->state->value; |
| 2289 | ctxt->state->value = value; |
| 2290 | ret = xmlRelaxNGValidateValueContent(ctxt, define->content); |
| 2291 | value = ctxt->state->value; |
| 2292 | ctxt->state->value = oldvalue; |
| 2293 | if (value != NULL) |
| 2294 | xmlFree(value); |
| 2295 | if (ret == 0) { |
| 2296 | /* |
| 2297 | * flag the attribute as processed |
| 2298 | */ |
| 2299 | ctxt->state->attrs[i] = NULL; |
| 2300 | } |
| 2301 | } else { |
| 2302 | ret = -1; |
| 2303 | } |
| 2304 | #ifdef DEBUG |
| 2305 | xmlGenericError(xmlGenericErrorContext, |
| 2306 | "xmlRelaxNGValidateAttribute(%s): %d\n", define->name, ret); |
| 2307 | #endif |
| 2308 | } else { |
| 2309 | TODO |
| 2310 | } |
| 2311 | |
| 2312 | return(ret); |
| 2313 | } |
| 2314 | |
| 2315 | /** |
| 2316 | * xmlRelaxNGValidateAttributeList: |
| 2317 | * @ctxt: a Relax-NG validation context |
| 2318 | * @define: the list of definition to verify |
| 2319 | * |
| 2320 | * Validate the given node against the list of attribute definitions |
| 2321 | * |
| 2322 | * Returns 0 if the validation succeeded or an error code. |
| 2323 | */ |
| 2324 | static int |
| 2325 | xmlRelaxNGValidateAttributeList(xmlRelaxNGValidCtxtPtr ctxt, |
| 2326 | xmlRelaxNGDefinePtr defines) { |
| 2327 | int ret = 0; |
| 2328 | while (defines != NULL) { |
| 2329 | if (xmlRelaxNGValidateAttribute(ctxt, defines) != 0) |
| 2330 | ret = -1; |
| 2331 | defines = defines->next; |
| 2332 | } |
| 2333 | return(ret); |
| 2334 | } |
| 2335 | |
| 2336 | /** |
| 2337 | * xmlRelaxNGValidateElementContent: |
| 2338 | * @ctxt: a Relax-NG validation context |
| 2339 | * @define: the list of definition to verify |
| 2340 | * |
| 2341 | * Validate the given node content against the (list) of definitions |
| 2342 | * |
| 2343 | * Returns 0 if the validation succeeded or an error code. |
| 2344 | */ |
| 2345 | static int |
| 2346 | xmlRelaxNGValidateElementContent(xmlRelaxNGValidCtxtPtr ctxt, |
| 2347 | xmlRelaxNGDefinePtr defines) { |
| 2348 | int ret = 0, res; |
| 2349 | |
| 2350 | if (ctxt->state == NULL) { |
| 2351 | VALID_CTXT(); |
| 2352 | VALID_ERROR("Internal: no state\n"); |
| 2353 | return(-1); |
| 2354 | } |
| 2355 | while (defines != NULL) { |
| 2356 | res = xmlRelaxNGValidateDefinition(ctxt, defines); |
| 2357 | if (res < 0) |
| 2358 | ret = -1; |
| 2359 | defines = defines->next; |
| 2360 | } |
| 2361 | |
| 2362 | return(ret); |
| 2363 | } |
| 2364 | |
| 2365 | /** |
| 2366 | * xmlRelaxNGValidateDefinition: |
| 2367 | * @ctxt: a Relax-NG validation context |
| 2368 | * @define: the definition to verify |
| 2369 | * |
| 2370 | * Validate the current node against the definition |
| 2371 | * |
| 2372 | * Returns 0 if the validation succeeded or an error code. |
| 2373 | */ |
| 2374 | static int |
| 2375 | xmlRelaxNGValidateDefinition(xmlRelaxNGValidCtxtPtr ctxt, |
| 2376 | xmlRelaxNGDefinePtr define) { |
| 2377 | xmlNodePtr node; |
| 2378 | int ret = 0, i, tmp, oldflags; |
| 2379 | xmlRelaxNGValidStatePtr oldstate, state; |
| 2380 | |
| 2381 | if (define == NULL) { |
| 2382 | VALID_CTXT(); |
| 2383 | VALID_ERROR("internal error: define == NULL\n"); |
| 2384 | return(-1); |
| 2385 | } |
| 2386 | if (ctxt->state != NULL) { |
| 2387 | node = ctxt->state->seq; |
| 2388 | } else { |
| 2389 | node = NULL; |
| 2390 | } |
| 2391 | switch (define->type) { |
| 2392 | case XML_RELAXNG_EMPTY: |
| 2393 | if (node != NULL) { |
| 2394 | VALID_CTXT(); |
| 2395 | VALID_ERROR("Expecting an empty element\n"); |
| 2396 | return(-1); |
| 2397 | } |
| 2398 | #ifdef DEBUG |
| 2399 | xmlGenericError(xmlGenericErrorContext, |
| 2400 | "xmlRelaxNGValidateDefinition(): validated empty\n"); |
| 2401 | #endif |
| 2402 | return(0); |
| 2403 | case XML_RELAXNG_NOT_ALLOWED: |
| 2404 | TODO |
| 2405 | break; |
| 2406 | case XML_RELAXNG_TEXT: |
| 2407 | if (node == NULL) |
| 2408 | return(0); |
| 2409 | while ((node != NULL) && |
| 2410 | ((node->type == XML_TEXT_NODE) || |
| 2411 | (node->type == XML_CDATA_SECTION_NODE))) |
| 2412 | node = node->next; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2413 | if (node == ctxt->state->seq) { |
| 2414 | VALID_CTXT(); |
| 2415 | VALID_ERROR("Expecting text content\n"); |
| 2416 | ret = -1; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2417 | } |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2418 | ctxt->state->seq = node; |
| 2419 | break; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2420 | case XML_RELAXNG_ELEMENT: |
| 2421 | node = xmlRelaxNGSkipIgnored(ctxt, node); |
| 2422 | if ((node == NULL) || (node->type != XML_ELEMENT_NODE)) { |
| 2423 | VALID_CTXT(); |
| 2424 | VALID_ERROR("Expecting an element\n"); |
| 2425 | return(-1); |
| 2426 | } |
| 2427 | if (define->name != NULL) { |
| 2428 | if (!xmlStrEqual(node->name, define->name)) { |
| 2429 | VALID_CTXT(); |
| 2430 | VALID_ERROR("Expecting element %s, got %s\n", |
| 2431 | define->name, node->name); |
| 2432 | return(-1); |
| 2433 | } |
| 2434 | } |
| 2435 | if ((define->ns != NULL) && (define->ns[0] != 0)) { |
| 2436 | if (node->ns == NULL) { |
| 2437 | VALID_CTXT(); |
| 2438 | VALID_ERROR("Expecting a namespace for element %s\n", |
| 2439 | node->name); |
| 2440 | return(-1); |
| 2441 | } else if (!xmlStrEqual(node->ns->href, define->ns)) { |
| 2442 | VALID_CTXT(); |
| 2443 | VALID_ERROR("Expecting element %s has wrong namespace: expecting %s\n", |
| 2444 | node->name, define->ns); |
| 2445 | return(-1); |
| 2446 | } |
| 2447 | } else { |
| 2448 | if (node->ns != NULL) { |
| 2449 | VALID_CTXT(); |
| 2450 | VALID_ERROR("Expecting no namespace for element %s\n", |
| 2451 | node->name); |
| 2452 | return(-1); |
| 2453 | } |
| 2454 | } |
| 2455 | |
| 2456 | state = xmlRelaxNGNewValidState(ctxt, node); |
| 2457 | if (state == NULL) { |
| 2458 | return(-1); |
| 2459 | } |
| 2460 | |
| 2461 | oldstate = ctxt->state; |
| 2462 | ctxt->state = state; |
| 2463 | if (define->attrs != NULL) { |
| 2464 | tmp = xmlRelaxNGValidateAttributeList(ctxt, define->attrs); |
| 2465 | if (tmp != 0) |
| 2466 | ret = -1; |
| 2467 | } |
| 2468 | if (define->content != NULL) { |
| 2469 | tmp = xmlRelaxNGValidateElementContent(ctxt, define->content); |
| 2470 | if (tmp != 0) |
| 2471 | ret = -1; |
| 2472 | } |
| 2473 | state = ctxt->state; |
| 2474 | if (state->seq != NULL) { |
| 2475 | state->seq = xmlRelaxNGSkipIgnored(ctxt, state->seq); |
| 2476 | if (state->seq != NULL) { |
| 2477 | VALID_CTXT(); |
| 2478 | VALID_ERROR("Extra content for element %s\n", |
| 2479 | node->name); |
| 2480 | ret = -1; |
| 2481 | } |
| 2482 | } |
| 2483 | for (i = 0;i < state->nbAttrs;i++) { |
| 2484 | if (state->attrs[i] != NULL) { |
| 2485 | VALID_CTXT(); |
| 2486 | VALID_ERROR("Extra attribute %s for element %s\n", |
| 2487 | state->attrs[i]->name, node->name); |
| 2488 | ret = -1; |
| 2489 | } |
| 2490 | } |
| 2491 | ctxt->state = oldstate; |
| 2492 | xmlRelaxNGFreeValidState(state); |
| 2493 | if (oldstate != NULL) |
| 2494 | oldstate->seq = node->next; |
| 2495 | |
| 2496 | |
| 2497 | #ifdef DEBUG |
| 2498 | xmlGenericError(xmlGenericErrorContext, |
| 2499 | "xmlRelaxNGValidateDefinition(): validated %s : %d\n", |
| 2500 | node->name, ret); |
| 2501 | #endif |
| 2502 | break; |
| 2503 | case XML_RELAXNG_LIST: |
| 2504 | TODO |
| 2505 | break; |
| 2506 | case XML_RELAXNG_OPTIONAL: |
| 2507 | oldflags = ctxt->flags; |
| 2508 | ctxt->flags |= FLAGS_IGNORABLE; |
| 2509 | oldstate = xmlRelaxNGCopyValidState(ctxt, ctxt->state); |
| 2510 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2511 | if (ret != 0) { |
| 2512 | xmlRelaxNGFreeValidState(ctxt->state); |
| 2513 | ctxt->state = oldstate; |
| 2514 | ret = 0; |
| 2515 | break; |
| 2516 | } |
| 2517 | xmlRelaxNGFreeValidState(oldstate); |
| 2518 | ctxt->flags = oldflags; |
| 2519 | ret = 0; |
| 2520 | break; |
| 2521 | case XML_RELAXNG_ONEORMORE: |
| 2522 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2523 | if (ret != 0) { |
| 2524 | break; |
| 2525 | } |
| 2526 | /* no break on purpose */ |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2527 | case XML_RELAXNG_ZEROORMORE: { |
| 2528 | xmlNodePtr cur, temp; |
| 2529 | |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2530 | oldflags = ctxt->flags; |
| 2531 | ctxt->flags |= FLAGS_IGNORABLE; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2532 | cur = ctxt->state->seq; |
| 2533 | temp = NULL; |
| 2534 | while ((cur != NULL) && (temp != cur)) { |
| 2535 | temp = cur; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2536 | oldstate = xmlRelaxNGCopyValidState(ctxt, ctxt->state); |
| 2537 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2538 | if (ret != 0) { |
| 2539 | xmlRelaxNGFreeValidState(ctxt->state); |
| 2540 | ctxt->state = oldstate; |
| 2541 | ret = 0; |
| 2542 | break; |
| 2543 | } |
| 2544 | xmlRelaxNGFreeValidState(oldstate); |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2545 | cur = ctxt->state->seq; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2546 | } |
| 2547 | ctxt->flags = oldflags; |
| 2548 | break; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2549 | } |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2550 | case XML_RELAXNG_CHOICE: { |
| 2551 | xmlRelaxNGDefinePtr list = define->content; |
| 2552 | |
| 2553 | oldflags = ctxt->flags; |
| 2554 | ctxt->flags |= FLAGS_IGNORABLE; |
| 2555 | |
| 2556 | while (list != NULL) { |
| 2557 | oldstate = xmlRelaxNGCopyValidState(ctxt, ctxt->state); |
| 2558 | ret = xmlRelaxNGValidateDefinition(ctxt, list); |
| 2559 | if (ret == 0) { |
| 2560 | xmlRelaxNGFreeValidState(oldstate); |
| 2561 | break; |
| 2562 | } |
| 2563 | xmlRelaxNGFreeValidState(ctxt->state); |
| 2564 | ctxt->state = oldstate; |
| 2565 | list = list->next; |
| 2566 | } |
| 2567 | ctxt->flags = oldflags; |
| 2568 | break; |
| 2569 | } |
| 2570 | case XML_RELAXNG_GROUP: { |
| 2571 | xmlRelaxNGDefinePtr list = define->content; |
| 2572 | |
| 2573 | while (list != NULL) { |
| 2574 | ret = xmlRelaxNGValidateDefinition(ctxt, list); |
| 2575 | if (ret != 0) |
| 2576 | break; |
| 2577 | list = list->next; |
| 2578 | } |
| 2579 | break; |
| 2580 | } |
| 2581 | case XML_RELAXNG_INTERLEAVE: |
| 2582 | TODO |
| 2583 | break; |
| 2584 | case XML_RELAXNG_ATTRIBUTE: |
| 2585 | ret = xmlRelaxNGValidateAttribute(ctxt, define); |
| 2586 | break; |
| 2587 | case XML_RELAXNG_REF: |
| 2588 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2589 | break; |
| 2590 | case XML_RELAXNG_DEF: |
| 2591 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2592 | break; |
| 2593 | case XML_RELAXNG_DATATYPE: |
| 2594 | case XML_RELAXNG_VALUE: |
| 2595 | TODO |
| 2596 | break; |
| 2597 | } |
| 2598 | return(ret); |
| 2599 | } |
| 2600 | |
| 2601 | /** |
| 2602 | * xmlRelaxNGValidateDocument: |
| 2603 | * @ctxt: a Relax-NG validation context |
| 2604 | * @doc: the document |
| 2605 | * |
| 2606 | * Validate the given document |
| 2607 | * |
| 2608 | * Returns 0 if the validation succeeded or an error code. |
| 2609 | */ |
| 2610 | static int |
| 2611 | xmlRelaxNGValidateDocument(xmlRelaxNGValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 2612 | int ret; |
| 2613 | xmlRelaxNGPtr schema; |
| 2614 | xmlRelaxNGGrammarPtr grammar; |
| 2615 | xmlRelaxNGValidStatePtr state; |
| 2616 | |
| 2617 | if ((ctxt == NULL) || (ctxt->schema == NULL) || (doc == NULL)) |
| 2618 | return(-1); |
| 2619 | |
| 2620 | schema = ctxt->schema; |
| 2621 | grammar = schema->topgrammar; |
| 2622 | if (grammar == NULL) { |
| 2623 | VALID_CTXT(); |
| 2624 | VALID_ERROR("No top grammar defined\n"); |
| 2625 | return(-1); |
| 2626 | } |
| 2627 | state = xmlRelaxNGNewValidState(ctxt, NULL); |
| 2628 | ctxt->state = state; |
| 2629 | ret = xmlRelaxNGValidateDefinition(ctxt, grammar->start); |
| 2630 | state = ctxt->state; |
| 2631 | if ((state != NULL) && (state->seq != NULL)) { |
| 2632 | xmlNodePtr node; |
| 2633 | |
| 2634 | node = state->seq; |
| 2635 | node = xmlRelaxNGSkipIgnored(ctxt, node); |
| 2636 | if (node != NULL) { |
| 2637 | VALID_CTXT(); |
| 2638 | VALID_ERROR("extra data on the document\n"); |
| 2639 | ret = -1; |
| 2640 | } |
| 2641 | } |
| 2642 | xmlRelaxNGFreeValidState(state); |
| 2643 | |
| 2644 | return(ret); |
| 2645 | } |
| 2646 | |
| 2647 | /************************************************************************ |
| 2648 | * * |
| 2649 | * Validation interfaces * |
| 2650 | * * |
| 2651 | ************************************************************************/ |
| 2652 | /** |
| 2653 | * xmlRelaxNGNewValidCtxt: |
| 2654 | * @schema: a precompiled XML RelaxNGs |
| 2655 | * |
| 2656 | * Create an XML RelaxNGs validation context based on the given schema |
| 2657 | * |
| 2658 | * Returns the validation context or NULL in case of error |
| 2659 | */ |
| 2660 | xmlRelaxNGValidCtxtPtr |
| 2661 | xmlRelaxNGNewValidCtxt(xmlRelaxNGPtr schema) { |
| 2662 | xmlRelaxNGValidCtxtPtr ret; |
| 2663 | |
| 2664 | ret = (xmlRelaxNGValidCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGValidCtxt)); |
| 2665 | if (ret == NULL) { |
| 2666 | xmlGenericError(xmlGenericErrorContext, |
| 2667 | "Failed to allocate new schama validation context\n"); |
| 2668 | return (NULL); |
| 2669 | } |
| 2670 | memset(ret, 0, sizeof(xmlRelaxNGValidCtxt)); |
| 2671 | ret->schema = schema; |
| 2672 | return (ret); |
| 2673 | } |
| 2674 | |
| 2675 | /** |
| 2676 | * xmlRelaxNGFreeValidCtxt: |
| 2677 | * @ctxt: the schema validation context |
| 2678 | * |
| 2679 | * Free the resources associated to the schema validation context |
| 2680 | */ |
| 2681 | void |
| 2682 | xmlRelaxNGFreeValidCtxt(xmlRelaxNGValidCtxtPtr ctxt) { |
| 2683 | if (ctxt == NULL) |
| 2684 | return; |
| 2685 | xmlFree(ctxt); |
| 2686 | } |
| 2687 | |
| 2688 | /** |
| 2689 | * xmlRelaxNGSetValidErrors: |
| 2690 | * @ctxt: a Relax-NG validation context |
| 2691 | * @err: the error function |
| 2692 | * @warn: the warning function |
| 2693 | * @ctx: the functions context |
| 2694 | * |
| 2695 | * Set the error and warning callback informations |
| 2696 | */ |
| 2697 | void |
| 2698 | xmlRelaxNGSetValidErrors(xmlRelaxNGValidCtxtPtr ctxt, |
| 2699 | xmlRelaxNGValidityErrorFunc err, |
| 2700 | xmlRelaxNGValidityWarningFunc warn, void *ctx) { |
| 2701 | if (ctxt == NULL) |
| 2702 | return; |
| 2703 | ctxt->error = err; |
| 2704 | ctxt->warning = warn; |
| 2705 | ctxt->userData = ctx; |
| 2706 | } |
| 2707 | |
| 2708 | /** |
| 2709 | * xmlRelaxNGValidateDoc: |
| 2710 | * @ctxt: a Relax-NG validation context |
| 2711 | * @doc: a parsed document tree |
| 2712 | * |
| 2713 | * Validate a document tree in memory. |
| 2714 | * |
| 2715 | * Returns 0 if the document is valid, a positive error code |
| 2716 | * number otherwise and -1 in case of internal or API error. |
| 2717 | */ |
| 2718 | int |
| 2719 | xmlRelaxNGValidateDoc(xmlRelaxNGValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 2720 | int ret; |
| 2721 | |
| 2722 | if ((ctxt == NULL) || (doc == NULL)) |
| 2723 | return(-1); |
| 2724 | |
| 2725 | ctxt->doc = doc; |
| 2726 | |
| 2727 | ret = xmlRelaxNGValidateDocument(ctxt, doc); |
| 2728 | return(ret); |
| 2729 | } |
| 2730 | |
| 2731 | #endif /* LIBXML_SCHEMAS_ENABLED */ |
| 2732 | |