rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Summary: The DTD validation |
| 3 | * Description: API for the DTD handling and the validity checking |
| 4 | * |
| 5 | * Copy: See Copyright for the status of this software. |
| 6 | * |
| 7 | * Author: Daniel Veillard |
| 8 | */ |
| 9 | |
| 10 | |
| 11 | #ifndef __XML_VALID_H__ |
| 12 | #define __XML_VALID_H__ |
| 13 | |
| 14 | #include <libxml/xmlversion.h> |
| 15 | #include <libxml/xmlerror.h> |
| 16 | #include <libxml/tree.h> |
| 17 | #include <libxml/list.h> |
| 18 | #include <libxml/xmlautomata.h> |
| 19 | #include <libxml/xmlregexp.h> |
| 20 | |
| 21 | #ifdef __cplusplus |
| 22 | extern "C" { |
| 23 | #endif |
| 24 | |
| 25 | /* |
| 26 | * Validation state added for non-determinist content model. |
| 27 | */ |
| 28 | typedef struct _xmlValidState xmlValidState; |
| 29 | typedef xmlValidState *xmlValidStatePtr; |
| 30 | |
| 31 | /** |
| 32 | * xmlValidityErrorFunc: |
| 33 | * @ctx: usually an xmlValidCtxtPtr to a validity error context, |
| 34 | * but comes from ctxt->userData (which normally contains such |
| 35 | * a pointer); ctxt->userData can be changed by the user. |
| 36 | * @msg: the string to format *printf like vararg |
| 37 | * @...: remaining arguments to the format |
| 38 | * |
| 39 | * Callback called when a validity error is found. This is a message |
| 40 | * oriented function similar to an *printf function. |
| 41 | */ |
| 42 | typedef void (XMLCDECL *xmlValidityErrorFunc) (void *ctx, |
| 43 | const char *msg, |
| 44 | ...) LIBXML_ATTR_FORMAT(2,3); |
| 45 | |
| 46 | /** |
| 47 | * xmlValidityWarningFunc: |
| 48 | * @ctx: usually an xmlValidCtxtPtr to a validity error context, |
| 49 | * but comes from ctxt->userData (which normally contains such |
| 50 | * a pointer); ctxt->userData can be changed by the user. |
| 51 | * @msg: the string to format *printf like vararg |
| 52 | * @...: remaining arguments to the format |
| 53 | * |
| 54 | * Callback called when a validity warning is found. This is a message |
| 55 | * oriented function similar to an *printf function. |
| 56 | */ |
| 57 | typedef void (XMLCDECL *xmlValidityWarningFunc) (void *ctx, |
| 58 | const char *msg, |
| 59 | ...) LIBXML_ATTR_FORMAT(2,3); |
| 60 | |
| 61 | #ifdef IN_LIBXML |
| 62 | /** |
| 63 | * XML_CTXT_FINISH_DTD_0: |
| 64 | * |
| 65 | * Special value for finishDtd field when embedded in an xmlParserCtxt |
| 66 | */ |
| 67 | #define XML_CTXT_FINISH_DTD_0 0xabcd1234 |
| 68 | /** |
| 69 | * XML_CTXT_FINISH_DTD_1: |
| 70 | * |
| 71 | * Special value for finishDtd field when embedded in an xmlParserCtxt |
| 72 | */ |
| 73 | #define XML_CTXT_FINISH_DTD_1 0xabcd1235 |
| 74 | #endif |
| 75 | |
| 76 | /* |
| 77 | * xmlValidCtxt: |
| 78 | * An xmlValidCtxt is used for error reporting when validating. |
| 79 | */ |
| 80 | typedef struct _xmlValidCtxt xmlValidCtxt; |
| 81 | typedef xmlValidCtxt *xmlValidCtxtPtr; |
| 82 | struct _xmlValidCtxt { |
| 83 | void *userData; /* user specific data block */ |
| 84 | xmlValidityErrorFunc error; /* the callback in case of errors */ |
| 85 | xmlValidityWarningFunc warning; /* the callback in case of warning */ |
| 86 | |
| 87 | /* Node analysis stack used when validating within entities */ |
| 88 | xmlNodePtr node; /* Current parsed Node */ |
| 89 | int nodeNr; /* Depth of the parsing stack */ |
| 90 | int nodeMax; /* Max depth of the parsing stack */ |
| 91 | xmlNodePtr *nodeTab; /* array of nodes */ |
| 92 | |
| 93 | unsigned int finishDtd; /* finished validating the Dtd ? */ |
| 94 | xmlDocPtr doc; /* the document */ |
| 95 | int valid; /* temporary validity check result */ |
| 96 | |
| 97 | /* state state used for non-determinist content validation */ |
| 98 | xmlValidState *vstate; /* current state */ |
| 99 | int vstateNr; /* Depth of the validation stack */ |
| 100 | int vstateMax; /* Max depth of the validation stack */ |
| 101 | xmlValidState *vstateTab; /* array of validation states */ |
| 102 | |
| 103 | #ifdef LIBXML_REGEXP_ENABLED |
| 104 | xmlAutomataPtr am; /* the automata */ |
| 105 | xmlAutomataStatePtr state; /* used to build the automata */ |
| 106 | #else |
| 107 | void *am; |
| 108 | void *state; |
| 109 | #endif |
| 110 | }; |
| 111 | |
| 112 | /* |
| 113 | * ALL notation declarations are stored in a table. |
| 114 | * There is one table per DTD. |
| 115 | */ |
| 116 | |
| 117 | typedef struct _xmlHashTable xmlNotationTable; |
| 118 | typedef xmlNotationTable *xmlNotationTablePtr; |
| 119 | |
| 120 | /* |
| 121 | * ALL element declarations are stored in a table. |
| 122 | * There is one table per DTD. |
| 123 | */ |
| 124 | |
| 125 | typedef struct _xmlHashTable xmlElementTable; |
| 126 | typedef xmlElementTable *xmlElementTablePtr; |
| 127 | |
| 128 | /* |
| 129 | * ALL attribute declarations are stored in a table. |
| 130 | * There is one table per DTD. |
| 131 | */ |
| 132 | |
| 133 | typedef struct _xmlHashTable xmlAttributeTable; |
| 134 | typedef xmlAttributeTable *xmlAttributeTablePtr; |
| 135 | |
| 136 | /* |
| 137 | * ALL IDs attributes are stored in a table. |
| 138 | * There is one table per document. |
| 139 | */ |
| 140 | |
| 141 | typedef struct _xmlHashTable xmlIDTable; |
| 142 | typedef xmlIDTable *xmlIDTablePtr; |
| 143 | |
| 144 | /* |
| 145 | * ALL Refs attributes are stored in a table. |
| 146 | * There is one table per document. |
| 147 | */ |
| 148 | |
| 149 | typedef struct _xmlHashTable xmlRefTable; |
| 150 | typedef xmlRefTable *xmlRefTablePtr; |
| 151 | |
| 152 | /* Notation */ |
| 153 | XMLPUBFUN xmlNotationPtr XMLCALL |
| 154 | xmlAddNotationDecl (xmlValidCtxtPtr ctxt, |
| 155 | xmlDtdPtr dtd, |
| 156 | const xmlChar *name, |
| 157 | const xmlChar *PublicID, |
| 158 | const xmlChar *SystemID); |
| 159 | #ifdef LIBXML_TREE_ENABLED |
| 160 | XMLPUBFUN xmlNotationTablePtr XMLCALL |
| 161 | xmlCopyNotationTable (xmlNotationTablePtr table); |
| 162 | #endif /* LIBXML_TREE_ENABLED */ |
| 163 | XMLPUBFUN void XMLCALL |
| 164 | xmlFreeNotationTable (xmlNotationTablePtr table); |
| 165 | #ifdef LIBXML_OUTPUT_ENABLED |
| 166 | XMLPUBFUN void XMLCALL |
| 167 | xmlDumpNotationDecl (xmlBufferPtr buf, |
| 168 | xmlNotationPtr nota); |
| 169 | XMLPUBFUN void XMLCALL |
| 170 | xmlDumpNotationTable (xmlBufferPtr buf, |
| 171 | xmlNotationTablePtr table); |
| 172 | #endif /* LIBXML_OUTPUT_ENABLED */ |
| 173 | |
| 174 | /* Element Content */ |
| 175 | /* the non Doc version are being deprecated */ |
| 176 | XMLPUBFUN xmlElementContentPtr XMLCALL |
| 177 | xmlNewElementContent (const xmlChar *name, |
| 178 | xmlElementContentType type); |
| 179 | XMLPUBFUN xmlElementContentPtr XMLCALL |
| 180 | xmlCopyElementContent (xmlElementContentPtr content); |
| 181 | XMLPUBFUN void XMLCALL |
| 182 | xmlFreeElementContent (xmlElementContentPtr cur); |
| 183 | /* the new versions with doc argument */ |
| 184 | XMLPUBFUN xmlElementContentPtr XMLCALL |
| 185 | xmlNewDocElementContent (xmlDocPtr doc, |
| 186 | const xmlChar *name, |
| 187 | xmlElementContentType type); |
| 188 | XMLPUBFUN xmlElementContentPtr XMLCALL |
| 189 | xmlCopyDocElementContent(xmlDocPtr doc, |
| 190 | xmlElementContentPtr content); |
| 191 | XMLPUBFUN void XMLCALL |
| 192 | xmlFreeDocElementContent(xmlDocPtr doc, |
| 193 | xmlElementContentPtr cur); |
| 194 | XMLPUBFUN void XMLCALL |
| 195 | xmlSnprintfElementContent(char *buf, |
| 196 | int size, |
| 197 | xmlElementContentPtr content, |
| 198 | int englob); |
| 199 | #ifdef LIBXML_OUTPUT_ENABLED |
| 200 | /* DEPRECATED */ |
| 201 | XMLPUBFUN void XMLCALL |
| 202 | xmlSprintfElementContent(char *buf, |
| 203 | xmlElementContentPtr content, |
| 204 | int englob); |
| 205 | #endif /* LIBXML_OUTPUT_ENABLED */ |
| 206 | /* DEPRECATED */ |
| 207 | |
| 208 | /* Element */ |
| 209 | XMLPUBFUN xmlElementPtr XMLCALL |
| 210 | xmlAddElementDecl (xmlValidCtxtPtr ctxt, |
| 211 | xmlDtdPtr dtd, |
| 212 | const xmlChar *name, |
| 213 | xmlElementTypeVal type, |
| 214 | xmlElementContentPtr content); |
| 215 | #ifdef LIBXML_TREE_ENABLED |
| 216 | XMLPUBFUN xmlElementTablePtr XMLCALL |
| 217 | xmlCopyElementTable (xmlElementTablePtr table); |
| 218 | #endif /* LIBXML_TREE_ENABLED */ |
| 219 | XMLPUBFUN void XMLCALL |
| 220 | xmlFreeElementTable (xmlElementTablePtr table); |
| 221 | #ifdef LIBXML_OUTPUT_ENABLED |
| 222 | XMLPUBFUN void XMLCALL |
| 223 | xmlDumpElementTable (xmlBufferPtr buf, |
| 224 | xmlElementTablePtr table); |
| 225 | XMLPUBFUN void XMLCALL |
| 226 | xmlDumpElementDecl (xmlBufferPtr buf, |
| 227 | xmlElementPtr elem); |
| 228 | #endif /* LIBXML_OUTPUT_ENABLED */ |
| 229 | |
| 230 | /* Enumeration */ |
| 231 | XMLPUBFUN xmlEnumerationPtr XMLCALL |
| 232 | xmlCreateEnumeration (const xmlChar *name); |
| 233 | XMLPUBFUN void XMLCALL |
| 234 | xmlFreeEnumeration (xmlEnumerationPtr cur); |
| 235 | #ifdef LIBXML_TREE_ENABLED |
| 236 | XMLPUBFUN xmlEnumerationPtr XMLCALL |
| 237 | xmlCopyEnumeration (xmlEnumerationPtr cur); |
| 238 | #endif /* LIBXML_TREE_ENABLED */ |
| 239 | |
| 240 | /* Attribute */ |
| 241 | XMLPUBFUN xmlAttributePtr XMLCALL |
| 242 | xmlAddAttributeDecl (xmlValidCtxtPtr ctxt, |
| 243 | xmlDtdPtr dtd, |
| 244 | const xmlChar *elem, |
| 245 | const xmlChar *name, |
| 246 | const xmlChar *ns, |
| 247 | xmlAttributeType type, |
| 248 | xmlAttributeDefault def, |
| 249 | const xmlChar *defaultValue, |
| 250 | xmlEnumerationPtr tree); |
| 251 | #ifdef LIBXML_TREE_ENABLED |
| 252 | XMLPUBFUN xmlAttributeTablePtr XMLCALL |
| 253 | xmlCopyAttributeTable (xmlAttributeTablePtr table); |
| 254 | #endif /* LIBXML_TREE_ENABLED */ |
| 255 | XMLPUBFUN void XMLCALL |
| 256 | xmlFreeAttributeTable (xmlAttributeTablePtr table); |
| 257 | #ifdef LIBXML_OUTPUT_ENABLED |
| 258 | XMLPUBFUN void XMLCALL |
| 259 | xmlDumpAttributeTable (xmlBufferPtr buf, |
| 260 | xmlAttributeTablePtr table); |
| 261 | XMLPUBFUN void XMLCALL |
| 262 | xmlDumpAttributeDecl (xmlBufferPtr buf, |
| 263 | xmlAttributePtr attr); |
| 264 | #endif /* LIBXML_OUTPUT_ENABLED */ |
| 265 | |
| 266 | /* IDs */ |
| 267 | XMLPUBFUN xmlIDPtr XMLCALL |
| 268 | xmlAddID (xmlValidCtxtPtr ctxt, |
| 269 | xmlDocPtr doc, |
| 270 | const xmlChar *value, |
| 271 | xmlAttrPtr attr); |
| 272 | XMLPUBFUN void XMLCALL |
| 273 | xmlFreeIDTable (xmlIDTablePtr table); |
| 274 | XMLPUBFUN xmlAttrPtr XMLCALL |
| 275 | xmlGetID (xmlDocPtr doc, |
| 276 | const xmlChar *ID); |
| 277 | XMLPUBFUN int XMLCALL |
| 278 | xmlIsID (xmlDocPtr doc, |
| 279 | xmlNodePtr elem, |
| 280 | xmlAttrPtr attr); |
| 281 | XMLPUBFUN int XMLCALL |
| 282 | xmlRemoveID (xmlDocPtr doc, |
| 283 | xmlAttrPtr attr); |
| 284 | |
| 285 | /* IDREFs */ |
| 286 | XMLPUBFUN xmlRefPtr XMLCALL |
| 287 | xmlAddRef (xmlValidCtxtPtr ctxt, |
| 288 | xmlDocPtr doc, |
| 289 | const xmlChar *value, |
| 290 | xmlAttrPtr attr); |
| 291 | XMLPUBFUN void XMLCALL |
| 292 | xmlFreeRefTable (xmlRefTablePtr table); |
| 293 | XMLPUBFUN int XMLCALL |
| 294 | xmlIsRef (xmlDocPtr doc, |
| 295 | xmlNodePtr elem, |
| 296 | xmlAttrPtr attr); |
| 297 | XMLPUBFUN int XMLCALL |
| 298 | xmlRemoveRef (xmlDocPtr doc, |
| 299 | xmlAttrPtr attr); |
| 300 | XMLPUBFUN xmlListPtr XMLCALL |
| 301 | xmlGetRefs (xmlDocPtr doc, |
| 302 | const xmlChar *ID); |
| 303 | |
| 304 | /** |
| 305 | * The public function calls related to validity checking. |
| 306 | */ |
| 307 | #ifdef LIBXML_VALID_ENABLED |
| 308 | /* Allocate/Release Validation Contexts */ |
| 309 | XMLPUBFUN xmlValidCtxtPtr XMLCALL |
| 310 | xmlNewValidCtxt(void); |
| 311 | XMLPUBFUN void XMLCALL |
| 312 | xmlFreeValidCtxt(xmlValidCtxtPtr); |
| 313 | |
| 314 | XMLPUBFUN int XMLCALL |
| 315 | xmlValidateRoot (xmlValidCtxtPtr ctxt, |
| 316 | xmlDocPtr doc); |
| 317 | XMLPUBFUN int XMLCALL |
| 318 | xmlValidateElementDecl (xmlValidCtxtPtr ctxt, |
| 319 | xmlDocPtr doc, |
| 320 | xmlElementPtr elem); |
| 321 | XMLPUBFUN xmlChar * XMLCALL |
| 322 | xmlValidNormalizeAttributeValue(xmlDocPtr doc, |
| 323 | xmlNodePtr elem, |
| 324 | const xmlChar *name, |
| 325 | const xmlChar *value); |
| 326 | XMLPUBFUN xmlChar * XMLCALL |
| 327 | xmlValidCtxtNormalizeAttributeValue(xmlValidCtxtPtr ctxt, |
| 328 | xmlDocPtr doc, |
| 329 | xmlNodePtr elem, |
| 330 | const xmlChar *name, |
| 331 | const xmlChar *value); |
| 332 | XMLPUBFUN int XMLCALL |
| 333 | xmlValidateAttributeDecl(xmlValidCtxtPtr ctxt, |
| 334 | xmlDocPtr doc, |
| 335 | xmlAttributePtr attr); |
| 336 | XMLPUBFUN int XMLCALL |
| 337 | xmlValidateAttributeValue(xmlAttributeType type, |
| 338 | const xmlChar *value); |
| 339 | XMLPUBFUN int XMLCALL |
| 340 | xmlValidateNotationDecl (xmlValidCtxtPtr ctxt, |
| 341 | xmlDocPtr doc, |
| 342 | xmlNotationPtr nota); |
| 343 | XMLPUBFUN int XMLCALL |
| 344 | xmlValidateDtd (xmlValidCtxtPtr ctxt, |
| 345 | xmlDocPtr doc, |
| 346 | xmlDtdPtr dtd); |
| 347 | XMLPUBFUN int XMLCALL |
| 348 | xmlValidateDtdFinal (xmlValidCtxtPtr ctxt, |
| 349 | xmlDocPtr doc); |
| 350 | XMLPUBFUN int XMLCALL |
| 351 | xmlValidateDocument (xmlValidCtxtPtr ctxt, |
| 352 | xmlDocPtr doc); |
| 353 | XMLPUBFUN int XMLCALL |
| 354 | xmlValidateElement (xmlValidCtxtPtr ctxt, |
| 355 | xmlDocPtr doc, |
| 356 | xmlNodePtr elem); |
| 357 | XMLPUBFUN int XMLCALL |
| 358 | xmlValidateOneElement (xmlValidCtxtPtr ctxt, |
| 359 | xmlDocPtr doc, |
| 360 | xmlNodePtr elem); |
| 361 | XMLPUBFUN int XMLCALL |
| 362 | xmlValidateOneAttribute (xmlValidCtxtPtr ctxt, |
| 363 | xmlDocPtr doc, |
| 364 | xmlNodePtr elem, |
| 365 | xmlAttrPtr attr, |
| 366 | const xmlChar *value); |
| 367 | XMLPUBFUN int XMLCALL |
| 368 | xmlValidateOneNamespace (xmlValidCtxtPtr ctxt, |
| 369 | xmlDocPtr doc, |
| 370 | xmlNodePtr elem, |
| 371 | const xmlChar *prefix, |
| 372 | xmlNsPtr ns, |
| 373 | const xmlChar *value); |
| 374 | XMLPUBFUN int XMLCALL |
| 375 | xmlValidateDocumentFinal(xmlValidCtxtPtr ctxt, |
| 376 | xmlDocPtr doc); |
| 377 | #endif /* LIBXML_VALID_ENABLED */ |
| 378 | |
| 379 | #if defined(LIBXML_VALID_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) |
| 380 | XMLPUBFUN int XMLCALL |
| 381 | xmlValidateNotationUse (xmlValidCtxtPtr ctxt, |
| 382 | xmlDocPtr doc, |
| 383 | const xmlChar *notationName); |
| 384 | #endif /* LIBXML_VALID_ENABLED or LIBXML_SCHEMAS_ENABLED */ |
| 385 | |
| 386 | XMLPUBFUN int XMLCALL |
| 387 | xmlIsMixedElement (xmlDocPtr doc, |
| 388 | const xmlChar *name); |
| 389 | XMLPUBFUN xmlAttributePtr XMLCALL |
| 390 | xmlGetDtdAttrDesc (xmlDtdPtr dtd, |
| 391 | const xmlChar *elem, |
| 392 | const xmlChar *name); |
| 393 | XMLPUBFUN xmlAttributePtr XMLCALL |
| 394 | xmlGetDtdQAttrDesc (xmlDtdPtr dtd, |
| 395 | const xmlChar *elem, |
| 396 | const xmlChar *name, |
| 397 | const xmlChar *prefix); |
| 398 | XMLPUBFUN xmlNotationPtr XMLCALL |
| 399 | xmlGetDtdNotationDesc (xmlDtdPtr dtd, |
| 400 | const xmlChar *name); |
| 401 | XMLPUBFUN xmlElementPtr XMLCALL |
| 402 | xmlGetDtdQElementDesc (xmlDtdPtr dtd, |
| 403 | const xmlChar *name, |
| 404 | const xmlChar *prefix); |
| 405 | XMLPUBFUN xmlElementPtr XMLCALL |
| 406 | xmlGetDtdElementDesc (xmlDtdPtr dtd, |
| 407 | const xmlChar *name); |
| 408 | |
| 409 | #ifdef LIBXML_VALID_ENABLED |
| 410 | |
| 411 | XMLPUBFUN int XMLCALL |
| 412 | xmlValidGetPotentialChildren(xmlElementContent *ctree, |
| 413 | const xmlChar **names, |
| 414 | int *len, |
| 415 | int max); |
| 416 | |
| 417 | XMLPUBFUN int XMLCALL |
| 418 | xmlValidGetValidElements(xmlNode *prev, |
| 419 | xmlNode *next, |
| 420 | const xmlChar **names, |
| 421 | int max); |
| 422 | XMLPUBFUN int XMLCALL |
| 423 | xmlValidateNameValue (const xmlChar *value); |
| 424 | XMLPUBFUN int XMLCALL |
| 425 | xmlValidateNamesValue (const xmlChar *value); |
| 426 | XMLPUBFUN int XMLCALL |
| 427 | xmlValidateNmtokenValue (const xmlChar *value); |
| 428 | XMLPUBFUN int XMLCALL |
| 429 | xmlValidateNmtokensValue(const xmlChar *value); |
| 430 | |
| 431 | #ifdef LIBXML_REGEXP_ENABLED |
| 432 | /* |
| 433 | * Validation based on the regexp support |
| 434 | */ |
| 435 | XMLPUBFUN int XMLCALL |
| 436 | xmlValidBuildContentModel(xmlValidCtxtPtr ctxt, |
| 437 | xmlElementPtr elem); |
| 438 | |
| 439 | XMLPUBFUN int XMLCALL |
| 440 | xmlValidatePushElement (xmlValidCtxtPtr ctxt, |
| 441 | xmlDocPtr doc, |
| 442 | xmlNodePtr elem, |
| 443 | const xmlChar *qname); |
| 444 | XMLPUBFUN int XMLCALL |
| 445 | xmlValidatePushCData (xmlValidCtxtPtr ctxt, |
| 446 | const xmlChar *data, |
| 447 | int len); |
| 448 | XMLPUBFUN int XMLCALL |
| 449 | xmlValidatePopElement (xmlValidCtxtPtr ctxt, |
| 450 | xmlDocPtr doc, |
| 451 | xmlNodePtr elem, |
| 452 | const xmlChar *qname); |
| 453 | #endif /* LIBXML_REGEXP_ENABLED */ |
| 454 | #endif /* LIBXML_VALID_ENABLED */ |
| 455 | #ifdef __cplusplus |
| 456 | } |
| 457 | #endif |
| 458 | #endif /* __XML_VALID_H__ */ |