Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 1 | /* |
| 2 | * valid.c : part of the code use to do the DTD handling and the validity |
| 3 | * checking |
| 4 | * |
| 5 | * See Copyright for the status of this software. |
| 6 | * |
| 7 | * Daniel.Veillard@w3.org |
| 8 | */ |
| 9 | |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 10 | #ifdef WIN32 |
Daniel Veillard | 3c558c3 | 1999-12-22 11:30:41 +0000 | [diff] [blame] | 11 | #include "win32config.h" |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 12 | #else |
| 13 | #include "config.h" |
| 14 | #endif |
| 15 | |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 16 | #include <stdio.h> |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 17 | #include <string.h> |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 18 | |
| 19 | #ifdef HAVE_STDLIB_H |
| 20 | #include <stdlib.h> |
| 21 | #endif |
| 22 | |
Daniel Veillard | 361d845 | 2000-04-03 19:48:13 +0000 | [diff] [blame] | 23 | #include <libxml/xmlmemory.h> |
| 24 | #include <libxml/valid.h> |
| 25 | #include <libxml/parser.h> |
| 26 | #include <libxml/parserInternals.h> |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 27 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 28 | /* |
| 29 | * Generic function for accessing stacks in the Validity Context |
| 30 | */ |
| 31 | |
| 32 | #define PUSH_AND_POP(scope, type, name) \ |
| 33 | scope int name##VPush(xmlValidCtxtPtr ctxt, type value) { \ |
| 34 | if (ctxt->name##Nr >= ctxt->name##Max) { \ |
| 35 | ctxt->name##Max *= 2; \ |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 36 | ctxt->name##Tab = (type *) xmlRealloc(ctxt->name##Tab, \ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 37 | ctxt->name##Max * sizeof(ctxt->name##Tab[0])); \ |
| 38 | if (ctxt->name##Tab == NULL) { \ |
| 39 | fprintf(stderr, "realloc failed !\n"); \ |
| 40 | return(0); \ |
| 41 | } \ |
| 42 | } \ |
| 43 | ctxt->name##Tab[ctxt->name##Nr] = value; \ |
| 44 | ctxt->name = value; \ |
| 45 | return(ctxt->name##Nr++); \ |
| 46 | } \ |
| 47 | scope type name##VPop(xmlValidCtxtPtr ctxt) { \ |
| 48 | type ret; \ |
| 49 | if (ctxt->name##Nr <= 0) return(0); \ |
| 50 | ctxt->name##Nr--; \ |
| 51 | if (ctxt->name##Nr > 0) \ |
| 52 | ctxt->name = ctxt->name##Tab[ctxt->name##Nr - 1]; \ |
| 53 | else \ |
| 54 | ctxt->name = NULL; \ |
| 55 | ret = ctxt->name##Tab[ctxt->name##Nr]; \ |
| 56 | ctxt->name##Tab[ctxt->name##Nr] = 0; \ |
| 57 | return(ret); \ |
| 58 | } \ |
| 59 | |
| 60 | PUSH_AND_POP(static, xmlNodePtr, node) |
| 61 | |
| 62 | /* #define DEBUG_VALID_ALGO */ |
| 63 | |
| 64 | #ifdef DEBUG_VALID_ALGO |
| 65 | void xmlValidPrintNodeList(xmlNodePtr cur) { |
| 66 | if (cur == NULL) |
| 67 | fprintf(stderr, "null "); |
| 68 | while (cur != NULL) { |
| 69 | switch (cur->type) { |
| 70 | case XML_ELEMENT_NODE: |
| 71 | fprintf(stderr, "%s ", cur->name); |
| 72 | break; |
| 73 | case XML_TEXT_NODE: |
| 74 | fprintf(stderr, "text "); |
| 75 | break; |
| 76 | case XML_CDATA_SECTION_NODE: |
| 77 | fprintf(stderr, "cdata "); |
| 78 | break; |
| 79 | case XML_ENTITY_REF_NODE: |
| 80 | fprintf(stderr, "&%s; ", cur->name); |
| 81 | break; |
| 82 | case XML_PI_NODE: |
| 83 | fprintf(stderr, "pi(%s) ", cur->name); |
| 84 | break; |
| 85 | case XML_COMMENT_NODE: |
| 86 | fprintf(stderr, "comment "); |
| 87 | break; |
| 88 | case XML_ATTRIBUTE_NODE: |
| 89 | fprintf(stderr, "?attr? "); |
| 90 | break; |
| 91 | case XML_ENTITY_NODE: |
| 92 | fprintf(stderr, "?ent? "); |
| 93 | break; |
| 94 | case XML_DOCUMENT_NODE: |
| 95 | fprintf(stderr, "?doc? "); |
| 96 | break; |
| 97 | case XML_DOCUMENT_TYPE_NODE: |
| 98 | fprintf(stderr, "?doctype? "); |
| 99 | break; |
| 100 | case XML_DOCUMENT_FRAG_NODE: |
| 101 | fprintf(stderr, "?frag? "); |
| 102 | break; |
| 103 | case XML_NOTATION_NODE: |
| 104 | fprintf(stderr, "?nota? "); |
| 105 | break; |
| 106 | case XML_HTML_DOCUMENT_NODE: |
| 107 | fprintf(stderr, "?html? "); |
| 108 | break; |
| 109 | case XML_DTD_NODE: |
| 110 | fprintf(stderr, "?dtd? "); |
| 111 | break; |
| 112 | case XML_ELEMENT_DECL: |
| 113 | fprintf(stderr, "?edecl? "); |
| 114 | break; |
| 115 | case XML_ATTRIBUTE_DECL: |
| 116 | fprintf(stderr, "?adecl? "); |
| 117 | break; |
| 118 | case XML_ENTITY_DECL: |
| 119 | fprintf(stderr, "?entdecl? "); |
| 120 | break; |
| 121 | } |
| 122 | cur = cur->next; |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | void xmlValidDebug(xmlNodePtr cur, xmlElementContentPtr cont) { |
| 127 | char expr[1000]; |
| 128 | |
| 129 | expr[0] = 0; |
| 130 | fprintf(stderr, "valid: "); |
| 131 | xmlValidPrintNodeList(cur); |
| 132 | fprintf(stderr, "against "); |
| 133 | xmlSprintfElementContent(expr, cont, 0); |
| 134 | fprintf(stderr, "%s\n", expr); |
| 135 | } |
| 136 | |
| 137 | #define DEBUG_VALID_STATE(n,c) xmlValidDebug(n,c); |
| 138 | #else |
| 139 | #define DEBUG_VALID_STATE(n,c) |
| 140 | #endif |
| 141 | |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 142 | /* TODO: use hash table for accesses to elem and attribute dedinitions */ |
| 143 | |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 144 | #define VERROR \ |
| 145 | if ((ctxt != NULL) && (ctxt->error != NULL)) ctxt->error |
| 146 | |
| 147 | #define VWARNING \ |
| 148 | if ((ctxt != NULL) && (ctxt->warning != NULL)) ctxt->warning |
| 149 | |
| 150 | #define CHECK_DTD \ |
| 151 | if (doc == NULL) return(0); \ |
| 152 | else if (doc->intSubset == NULL) return(0) |
| 153 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 154 | xmlElementPtr xmlGetDtdElementDesc(xmlDtdPtr dtd, const xmlChar *name); |
| 155 | xmlAttributePtr xmlScanAttributeDecl(xmlDtdPtr dtd, const xmlChar *elem); |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 156 | |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 157 | /************************************************************************ |
| 158 | * * |
| 159 | * QName handling helper * |
| 160 | * * |
| 161 | ************************************************************************/ |
| 162 | |
| 163 | /** |
| 164 | * xmlSplitQName2: |
| 165 | * @name: an XML parser context |
| 166 | * @prefix: a xmlChar ** |
| 167 | * |
| 168 | * parse an XML qualified name string |
| 169 | * |
| 170 | * [NS 5] QName ::= (Prefix ':')? LocalPart |
| 171 | * |
| 172 | * [NS 6] Prefix ::= NCName |
| 173 | * |
| 174 | * [NS 7] LocalPart ::= NCName |
| 175 | * |
| 176 | * Returns NULL if not a QName, otherwise the local part, and prefix |
| 177 | * is updated to get the Prefix if any. |
| 178 | */ |
| 179 | |
| 180 | xmlChar * |
| 181 | xmlSplitQName2(const xmlChar *name, xmlChar **prefix) { |
| 182 | int len = 0; |
| 183 | xmlChar *ret = NULL; |
| 184 | |
| 185 | *prefix = NULL; |
| 186 | |
| 187 | /* xml: prefix is not really a namespace */ |
| 188 | if ((name[0] == 'x') && (name[1] == 'm') && |
| 189 | (name[2] == 'l') && (name[3] == ':')) |
| 190 | return(NULL); |
| 191 | |
| 192 | /* nasty but valid */ |
| 193 | if (name[0] == ':') |
| 194 | return(NULL); |
| 195 | |
| 196 | /* |
| 197 | * we are not trying to validate but just to cut, and yes it will |
| 198 | * work even if this is as set of UTF-8 encoded chars |
| 199 | */ |
| 200 | while ((name[len] != 0) && (name[len] != ':')) |
| 201 | len++; |
| 202 | |
| 203 | if (name[len] == 0) |
| 204 | return(NULL); |
| 205 | |
| 206 | *prefix = xmlStrndup(name, len); |
| 207 | ret = xmlStrdup(&name[len + 1]); |
| 208 | |
| 209 | return(ret); |
| 210 | } |
| 211 | |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 212 | /**************************************************************** |
| 213 | * * |
| 214 | * Util functions for data allocation/deallocation * |
| 215 | * * |
| 216 | ****************************************************************/ |
| 217 | |
| 218 | /** |
| 219 | * xmlNewElementContent: |
| 220 | * @name: the subelement name or NULL |
| 221 | * @type: the type of element content decl |
| 222 | * |
| 223 | * Allocate an element content structure. |
| 224 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 225 | * Returns NULL if not, othervise the new element content structure |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 226 | */ |
| 227 | xmlElementContentPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 228 | xmlNewElementContent(xmlChar *name, xmlElementContentType type) { |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 229 | xmlElementContentPtr ret; |
| 230 | |
| 231 | switch(type) { |
| 232 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 233 | if (name == NULL) { |
| 234 | fprintf(stderr, "xmlNewElementContent : name == NULL !\n"); |
| 235 | } |
| 236 | break; |
| 237 | case XML_ELEMENT_CONTENT_PCDATA: |
| 238 | case XML_ELEMENT_CONTENT_SEQ: |
| 239 | case XML_ELEMENT_CONTENT_OR: |
| 240 | if (name != NULL) { |
| 241 | fprintf(stderr, "xmlNewElementContent : name != NULL !\n"); |
| 242 | } |
| 243 | break; |
| 244 | default: |
| 245 | fprintf(stderr, "xmlNewElementContent: unknown type %d\n", type); |
Daniel Veillard | 0142b84 | 2000-01-14 14:45:24 +0000 | [diff] [blame] | 246 | return(NULL); |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 247 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 248 | ret = (xmlElementContentPtr) xmlMalloc(sizeof(xmlElementContent)); |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 249 | if (ret == NULL) { |
| 250 | fprintf(stderr, "xmlNewElementContent : out of memory!\n"); |
| 251 | return(NULL); |
| 252 | } |
| 253 | ret->type = type; |
| 254 | ret->ocur = XML_ELEMENT_CONTENT_ONCE; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 255 | if (name != NULL) |
| 256 | ret->name = xmlStrdup(name); |
| 257 | else |
| 258 | ret->name = NULL; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 259 | ret->c1 = ret->c2 = NULL; |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 260 | return(ret); |
| 261 | } |
| 262 | |
| 263 | /** |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 264 | * xmlCopyElementContent: |
| 265 | * @content: An element content pointer. |
| 266 | * |
| 267 | * Build a copy of an element content description. |
| 268 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 269 | * Returns the new xmlElementContentPtr or NULL in case of error. |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 270 | */ |
| 271 | xmlElementContentPtr |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 272 | xmlCopyElementContent(xmlElementContentPtr cur) { |
| 273 | xmlElementContentPtr ret; |
| 274 | |
| 275 | if (cur == NULL) return(NULL); |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 276 | ret = xmlNewElementContent((xmlChar *) cur->name, cur->type); |
Daniel Veillard | 14fff06 | 1999-06-22 21:49:07 +0000 | [diff] [blame] | 277 | if (ret == NULL) { |
| 278 | fprintf(stderr, "xmlCopyElementContent : out of memory\n"); |
| 279 | return(NULL); |
| 280 | } |
| 281 | ret->ocur = cur->ocur; |
| 282 | if (cur->c1 != NULL) ret->c1 = xmlCopyElementContent(cur->c1); |
| 283 | if (cur->c2 != NULL) ret->c2 = xmlCopyElementContent(cur->c2); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 284 | return(ret); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 285 | } |
| 286 | |
| 287 | /** |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 288 | * xmlFreeElementContent: |
| 289 | * @cur: the element content tree to free |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 290 | * |
| 291 | * Free an element content structure. This is a recursive call ! |
| 292 | */ |
| 293 | void |
| 294 | xmlFreeElementContent(xmlElementContentPtr cur) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 295 | if (cur == NULL) return; |
Daniel Veillard | 87b9539 | 2000-08-12 21:12:04 +0000 | [diff] [blame] | 296 | switch (cur->type) { |
| 297 | case XML_ELEMENT_CONTENT_PCDATA: |
| 298 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 299 | case XML_ELEMENT_CONTENT_SEQ: |
| 300 | case XML_ELEMENT_CONTENT_OR: |
| 301 | break; |
| 302 | default: |
| 303 | fprintf(stderr, "xmlFreeElementContent : type %d\n", cur->type); |
| 304 | return; |
| 305 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 306 | if (cur->c1 != NULL) xmlFreeElementContent(cur->c1); |
| 307 | if (cur->c2 != NULL) xmlFreeElementContent(cur->c2); |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 308 | if (cur->name != NULL) xmlFree((xmlChar *) cur->name); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 309 | memset(cur, -1, sizeof(xmlElementContent)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 310 | xmlFree(cur); |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 311 | } |
| 312 | |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 313 | /** |
| 314 | * xmlDumpElementContent: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 315 | * @buf: An XML buffer |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 316 | * @content: An element table |
| 317 | * @glob: 1 if one must print the englobing parenthesis, 0 otherwise |
| 318 | * |
| 319 | * This will dump the content of the element table as an XML DTD definition |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 320 | */ |
| 321 | void |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 322 | xmlDumpElementContent(xmlBufferPtr buf, xmlElementContentPtr content, int glob) { |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 323 | if (content == NULL) return; |
| 324 | |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 325 | if (glob) xmlBufferWriteChar(buf, "("); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 326 | switch (content->type) { |
| 327 | case XML_ELEMENT_CONTENT_PCDATA: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 328 | xmlBufferWriteChar(buf, "#PCDATA"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 329 | break; |
| 330 | case XML_ELEMENT_CONTENT_ELEMENT: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 331 | xmlBufferWriteCHAR(buf, content->name); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 332 | break; |
| 333 | case XML_ELEMENT_CONTENT_SEQ: |
| 334 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 335 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 336 | xmlDumpElementContent(buf, content->c1, 1); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 337 | else |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 338 | xmlDumpElementContent(buf, content->c1, 0); |
| 339 | xmlBufferWriteChar(buf, " , "); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 340 | if (content->c2->type == XML_ELEMENT_CONTENT_OR) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 341 | xmlDumpElementContent(buf, content->c2, 1); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 342 | else |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 343 | xmlDumpElementContent(buf, content->c2, 0); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 344 | break; |
| 345 | case XML_ELEMENT_CONTENT_OR: |
| 346 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 347 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 348 | xmlDumpElementContent(buf, content->c1, 1); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 349 | else |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 350 | xmlDumpElementContent(buf, content->c1, 0); |
| 351 | xmlBufferWriteChar(buf, " | "); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 352 | if (content->c2->type == XML_ELEMENT_CONTENT_SEQ) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 353 | xmlDumpElementContent(buf, content->c2, 1); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 354 | else |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 355 | xmlDumpElementContent(buf, content->c2, 0); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 356 | break; |
| 357 | default: |
| 358 | fprintf(stderr, "xmlDumpElementContent: unknown type %d\n", |
| 359 | content->type); |
| 360 | } |
| 361 | if (glob) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 362 | xmlBufferWriteChar(buf, ")"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 363 | switch (content->ocur) { |
| 364 | case XML_ELEMENT_CONTENT_ONCE: |
| 365 | break; |
| 366 | case XML_ELEMENT_CONTENT_OPT: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 367 | xmlBufferWriteChar(buf, "?"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 368 | break; |
| 369 | case XML_ELEMENT_CONTENT_MULT: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 370 | xmlBufferWriteChar(buf, "*"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 371 | break; |
| 372 | case XML_ELEMENT_CONTENT_PLUS: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 373 | xmlBufferWriteChar(buf, "+"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 374 | break; |
| 375 | } |
| 376 | } |
| 377 | |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 378 | /** |
| 379 | * xmlSprintfElementContent: |
| 380 | * @buf: an output buffer |
| 381 | * @content: An element table |
| 382 | * @glob: 1 if one must print the englobing parenthesis, 0 otherwise |
| 383 | * |
| 384 | * This will dump the content of the element content definition |
| 385 | * Intended just for the debug routine |
| 386 | */ |
| 387 | void |
| 388 | xmlSprintfElementContent(char *buf, xmlElementContentPtr content, int glob) { |
| 389 | if (content == NULL) return; |
| 390 | if (glob) strcat(buf, "("); |
| 391 | switch (content->type) { |
| 392 | case XML_ELEMENT_CONTENT_PCDATA: |
| 393 | strcat(buf, "#PCDATA"); |
| 394 | break; |
| 395 | case XML_ELEMENT_CONTENT_ELEMENT: |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 396 | strcat(buf, (char *) content->name); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 397 | break; |
| 398 | case XML_ELEMENT_CONTENT_SEQ: |
| 399 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 400 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
| 401 | xmlSprintfElementContent(buf, content->c1, 1); |
| 402 | else |
| 403 | xmlSprintfElementContent(buf, content->c1, 0); |
| 404 | strcat(buf, " , "); |
| 405 | if (content->c2->type == XML_ELEMENT_CONTENT_OR) |
| 406 | xmlSprintfElementContent(buf, content->c2, 1); |
| 407 | else |
| 408 | xmlSprintfElementContent(buf, content->c2, 0); |
| 409 | break; |
| 410 | case XML_ELEMENT_CONTENT_OR: |
| 411 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 412 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
| 413 | xmlSprintfElementContent(buf, content->c1, 1); |
| 414 | else |
| 415 | xmlSprintfElementContent(buf, content->c1, 0); |
| 416 | strcat(buf, " | "); |
| 417 | if (content->c2->type == XML_ELEMENT_CONTENT_SEQ) |
| 418 | xmlSprintfElementContent(buf, content->c2, 1); |
| 419 | else |
| 420 | xmlSprintfElementContent(buf, content->c2, 0); |
| 421 | break; |
| 422 | } |
| 423 | if (glob) |
| 424 | strcat(buf, ")"); |
| 425 | switch (content->ocur) { |
| 426 | case XML_ELEMENT_CONTENT_ONCE: |
| 427 | break; |
| 428 | case XML_ELEMENT_CONTENT_OPT: |
| 429 | strcat(buf, "?"); |
| 430 | break; |
| 431 | case XML_ELEMENT_CONTENT_MULT: |
| 432 | strcat(buf, "*"); |
| 433 | break; |
| 434 | case XML_ELEMENT_CONTENT_PLUS: |
| 435 | strcat(buf, "+"); |
| 436 | break; |
| 437 | } |
| 438 | } |
| 439 | |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 440 | /**************************************************************** |
| 441 | * * |
| 442 | * Registration of DTD declarations * |
| 443 | * * |
| 444 | ****************************************************************/ |
| 445 | |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 446 | /** |
| 447 | * xmlCreateElementTable: |
| 448 | * |
| 449 | * create and initialize an empty element hash table. |
| 450 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 451 | * Returns the xmlElementTablePtr just created or NULL in case of error. |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 452 | */ |
| 453 | xmlElementTablePtr |
| 454 | xmlCreateElementTable(void) { |
| 455 | xmlElementTablePtr ret; |
| 456 | |
| 457 | ret = (xmlElementTablePtr) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 458 | xmlMalloc(sizeof(xmlElementTable)); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 459 | if (ret == NULL) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 460 | fprintf(stderr, "xmlCreateElementTable : xmlMalloc(%ld) failed\n", |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 461 | (long)sizeof(xmlElementTable)); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 462 | return(NULL); |
| 463 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 464 | ret->max_elements = XML_MIN_ELEMENT_TABLE; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 465 | ret->nb_elements = 0; |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 466 | ret->last = 0; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 467 | ret->table = (xmlElementPtr *) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 468 | xmlMalloc(ret->max_elements * sizeof(xmlElementPtr)); |
Daniel Veillard | 87b9539 | 2000-08-12 21:12:04 +0000 | [diff] [blame] | 469 | if (ret->table == NULL) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 470 | fprintf(stderr, "xmlCreateElementTable : xmlMalloc(%ld) failed\n", |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 471 | ret->max_elements * (long)sizeof(xmlElement)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 472 | xmlFree(ret); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 473 | return(NULL); |
| 474 | } |
| 475 | return(ret); |
| 476 | } |
| 477 | |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 478 | |
| 479 | /** |
| 480 | * xmlAddElementDecl: |
Daniel Veillard | 00fdf37 | 1999-10-08 09:40:39 +0000 | [diff] [blame] | 481 | * @ctxt: the validation context |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 482 | * @dtd: pointer to the DTD |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 483 | * @name: the entity name |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 484 | * @type: the element type |
| 485 | * @content: the element content tree or NULL |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 486 | * |
| 487 | * Register a new element declaration |
| 488 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 489 | * Returns NULL if not, othervise the entity |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 490 | */ |
| 491 | xmlElementPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 492 | xmlAddElementDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const xmlChar *name, |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 493 | xmlElementTypeVal type, |
| 494 | xmlElementContentPtr content) { |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 495 | xmlElementPtr ret, cur; |
| 496 | xmlElementTablePtr table; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 497 | xmlChar *ns, *uqname; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 498 | int i; |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 499 | |
| 500 | if (dtd == NULL) { |
| 501 | fprintf(stderr, "xmlAddElementDecl: dtd == NULL\n"); |
| 502 | return(NULL); |
| 503 | } |
| 504 | if (name == NULL) { |
| 505 | fprintf(stderr, "xmlAddElementDecl: name == NULL\n"); |
| 506 | return(NULL); |
| 507 | } |
| 508 | switch (type) { |
| 509 | case XML_ELEMENT_TYPE_EMPTY: |
| 510 | if (content != NULL) { |
| 511 | fprintf(stderr, |
| 512 | "xmlAddElementDecl: content != NULL for EMPTY\n"); |
| 513 | return(NULL); |
| 514 | } |
| 515 | break; |
| 516 | case XML_ELEMENT_TYPE_ANY: |
| 517 | if (content != NULL) { |
| 518 | fprintf(stderr, |
| 519 | "xmlAddElementDecl: content != NULL for ANY\n"); |
| 520 | return(NULL); |
| 521 | } |
| 522 | break; |
| 523 | case XML_ELEMENT_TYPE_MIXED: |
| 524 | if (content == NULL) { |
| 525 | fprintf(stderr, |
| 526 | "xmlAddElementDecl: content == NULL for MIXED\n"); |
| 527 | return(NULL); |
| 528 | } |
| 529 | break; |
| 530 | case XML_ELEMENT_TYPE_ELEMENT: |
| 531 | if (content == NULL) { |
| 532 | fprintf(stderr, |
| 533 | "xmlAddElementDecl: content == NULL for ELEMENT\n"); |
| 534 | return(NULL); |
| 535 | } |
| 536 | break; |
| 537 | default: |
| 538 | fprintf(stderr, "xmlAddElementDecl: unknown type %d\n", type); |
| 539 | return(NULL); |
| 540 | } |
| 541 | |
| 542 | /* |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 543 | * check if name is a QName |
| 544 | */ |
| 545 | uqname = xmlSplitQName2(name, &ns); |
| 546 | if (uqname != NULL) |
| 547 | name = uqname; |
| 548 | |
| 549 | /* |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 550 | * Create the Element table if needed. |
| 551 | */ |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 552 | table = (xmlElementTablePtr) dtd->elements; |
| 553 | if (table == NULL) { |
| 554 | table = xmlCreateElementTable(); |
| 555 | dtd->elements = (void *) table; |
| 556 | } |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 557 | if (table == NULL) { |
| 558 | fprintf(stderr, "xmlAddElementDecl: Table creation failed!\n"); |
| 559 | return(NULL); |
| 560 | } |
| 561 | |
| 562 | /* |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 563 | * Validity Check: |
| 564 | * Search the DTD for previous declarations of the ELEMENT |
| 565 | */ |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 566 | for (i = 0;i < table->nb_elements;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 567 | cur = table->table[i]; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 568 | if ((ns != NULL) && (cur->prefix == NULL)) continue; |
| 569 | if ((ns == NULL) && (cur->prefix != NULL)) continue; |
| 570 | if ((!xmlStrcmp(cur->name, name)) && |
| 571 | ((ns == NULL) || (!xmlStrcmp(cur->prefix, ns)))) { |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 572 | /* |
| 573 | * The element is already defined in this Dtd. |
| 574 | */ |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 575 | VERROR(ctxt->userData, "Redefinition of element %s\n", name); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 576 | return(NULL); |
| 577 | } |
| 578 | } |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 579 | |
| 580 | /* |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 581 | * Grow the table, if needed. |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 582 | */ |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 583 | if (table->nb_elements >= table->max_elements) { |
| 584 | /* |
| 585 | * need more elements. |
| 586 | */ |
| 587 | table->max_elements *= 2; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 588 | table->table = (xmlElementPtr *) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 589 | xmlRealloc(table->table, table->max_elements * sizeof(xmlElementPtr)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 590 | if (table->table == NULL) { |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 591 | fprintf(stderr, "xmlAddElementDecl: out of memory\n"); |
| 592 | return(NULL); |
| 593 | } |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 594 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 595 | ret = (xmlElementPtr) xmlMalloc(sizeof(xmlElement)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 596 | if (ret == NULL) { |
| 597 | fprintf(stderr, "xmlAddElementDecl: out of memory\n"); |
| 598 | return(NULL); |
| 599 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 600 | memset(ret, 0, sizeof(xmlElement)); |
| 601 | ret->type = XML_ELEMENT_DECL; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 602 | table->table[table->nb_elements] = ret; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 603 | |
| 604 | /* |
| 605 | * fill the structure. |
| 606 | */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 607 | ret->etype = type; |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 608 | ret->name = xmlStrdup(name); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 609 | ret->prefix = ns; |
Daniel Veillard | 14fff06 | 1999-06-22 21:49:07 +0000 | [diff] [blame] | 610 | ret->content = xmlCopyElementContent(content); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 611 | ret->attributes = xmlScanAttributeDecl(dtd, name); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 612 | table->nb_elements++; |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 613 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 614 | /* |
| 615 | * Link it to the Dtd |
| 616 | */ |
| 617 | ret->parent = dtd; |
| 618 | ret->doc = dtd->doc; |
| 619 | if (dtd->last == NULL) { |
| 620 | dtd->children = dtd->last = (xmlNodePtr) ret; |
| 621 | } else { |
| 622 | dtd->last->next = (xmlNodePtr) ret; |
| 623 | ret->prev = dtd->last; |
| 624 | dtd->last = (xmlNodePtr) ret; |
| 625 | } |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 626 | if (uqname != NULL) |
| 627 | xmlFree(uqname); |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 628 | return(ret); |
| 629 | } |
| 630 | |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 631 | /** |
| 632 | * xmlFreeElement: |
| 633 | * @elem: An element |
| 634 | * |
| 635 | * Deallocate the memory used by an element definition |
| 636 | */ |
| 637 | void |
| 638 | xmlFreeElement(xmlElementPtr elem) { |
| 639 | if (elem == NULL) return; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 640 | xmlUnlinkNode((xmlNodePtr) elem); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 641 | xmlFreeElementContent(elem->content); |
| 642 | if (elem->name != NULL) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 643 | xmlFree((xmlChar *) elem->name); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 644 | if (elem->prefix != NULL) |
| 645 | xmlFree((xmlChar *) elem->prefix); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 646 | memset(elem, -1, sizeof(xmlElement)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 647 | xmlFree(elem); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 648 | } |
| 649 | |
| 650 | /** |
| 651 | * xmlFreeElementTable: |
| 652 | * @table: An element table |
| 653 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 654 | * Deallocate the memory used by an element hash table. |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 655 | */ |
| 656 | void |
| 657 | xmlFreeElementTable(xmlElementTablePtr table) { |
| 658 | int i; |
| 659 | |
| 660 | if (table == NULL) return; |
| 661 | |
| 662 | for (i = 0;i < table->nb_elements;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 663 | xmlFreeElement(table->table[i]); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 664 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 665 | xmlFree(table->table); |
| 666 | xmlFree(table); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | /** |
| 670 | * xmlCopyElementTable: |
| 671 | * @table: An element table |
| 672 | * |
| 673 | * Build a copy of an element table. |
| 674 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 675 | * Returns the new xmlElementTablePtr or NULL in case of error. |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 676 | */ |
| 677 | xmlElementTablePtr |
| 678 | xmlCopyElementTable(xmlElementTablePtr table) { |
| 679 | xmlElementTablePtr ret; |
| 680 | xmlElementPtr cur, ent; |
| 681 | int i; |
| 682 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 683 | ret = (xmlElementTablePtr) xmlMalloc(sizeof(xmlElementTable)); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 684 | if (ret == NULL) { |
| 685 | fprintf(stderr, "xmlCopyElementTable: out of memory !\n"); |
| 686 | return(NULL); |
| 687 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 688 | ret->table = (xmlElementPtr *) xmlMalloc(table->max_elements * |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 689 | sizeof(xmlElementPtr)); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 690 | if (ret->table == NULL) { |
| 691 | fprintf(stderr, "xmlCopyElementTable: out of memory !\n"); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 692 | xmlFree(ret); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 693 | return(NULL); |
| 694 | } |
| 695 | ret->max_elements = table->max_elements; |
| 696 | ret->nb_elements = table->nb_elements; |
| 697 | for (i = 0;i < ret->nb_elements;i++) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 698 | cur = (xmlElementPtr) xmlMalloc(sizeof(xmlElement)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 699 | if (cur == NULL) { |
| 700 | fprintf(stderr, "xmlCopyElementTable: out of memory !\n"); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 701 | xmlFree(ret); |
| 702 | xmlFree(ret->table); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 703 | return(NULL); |
| 704 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 705 | memset(cur, 0, sizeof(xmlElement)); |
| 706 | cur->type = XML_ELEMENT_DECL; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 707 | ret->table[i] = cur; |
| 708 | ent = table->table[i]; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 709 | cur->etype = ent->etype; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 710 | if (ent->name != NULL) |
| 711 | cur->name = xmlStrdup(ent->name); |
| 712 | else |
| 713 | cur->name = NULL; |
| 714 | cur->content = xmlCopyElementContent(ent->content); |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 715 | /* TODO : rebuild the attribute list on the copy */ |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 716 | cur->attributes = NULL; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 717 | } |
| 718 | return(ret); |
| 719 | } |
| 720 | |
| 721 | /** |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 722 | * xmlDumpElementDecl: |
| 723 | * @buf: the XML buffer output |
| 724 | * @elem: An element table |
| 725 | * |
| 726 | * This will dump the content of the element declaration as an XML |
| 727 | * DTD definition |
| 728 | */ |
| 729 | void |
| 730 | xmlDumpElementDecl(xmlBufferPtr buf, xmlElementPtr elem) { |
| 731 | switch (elem->etype) { |
| 732 | case XML_ELEMENT_TYPE_EMPTY: |
| 733 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
| 734 | xmlBufferWriteCHAR(buf, elem->name); |
| 735 | xmlBufferWriteChar(buf, " EMPTY>\n"); |
| 736 | break; |
| 737 | case XML_ELEMENT_TYPE_ANY: |
| 738 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
| 739 | xmlBufferWriteCHAR(buf, elem->name); |
| 740 | xmlBufferWriteChar(buf, " ANY>\n"); |
| 741 | break; |
| 742 | case XML_ELEMENT_TYPE_MIXED: |
| 743 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
| 744 | xmlBufferWriteCHAR(buf, elem->name); |
| 745 | xmlBufferWriteChar(buf, " "); |
| 746 | xmlDumpElementContent(buf, elem->content, 1); |
| 747 | xmlBufferWriteChar(buf, ">\n"); |
| 748 | break; |
| 749 | case XML_ELEMENT_TYPE_ELEMENT: |
| 750 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
| 751 | xmlBufferWriteCHAR(buf, elem->name); |
| 752 | xmlBufferWriteChar(buf, " "); |
| 753 | xmlDumpElementContent(buf, elem->content, 1); |
| 754 | xmlBufferWriteChar(buf, ">\n"); |
| 755 | break; |
| 756 | default: |
| 757 | fprintf(stderr, |
| 758 | "xmlDumpElementDecl: internal: unknown type %d\n", |
| 759 | elem->etype); |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | /** |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 764 | * xmlDumpElementTable: |
Daniel Veillard | 011b63c | 1999-06-02 17:44:04 +0000 | [diff] [blame] | 765 | * @buf: the XML buffer output |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 766 | * @table: An element table |
| 767 | * |
| 768 | * This will dump the content of the element table as an XML DTD definition |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 769 | */ |
| 770 | void |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 771 | xmlDumpElementTable(xmlBufferPtr buf, xmlElementTablePtr table) { |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 772 | int i; |
| 773 | xmlElementPtr cur; |
| 774 | |
| 775 | if (table == NULL) return; |
| 776 | |
| 777 | for (i = 0;i < table->nb_elements;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 778 | cur = table->table[i]; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 779 | xmlDumpElementDecl(buf, cur); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 780 | } |
| 781 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 782 | |
| 783 | /** |
| 784 | * xmlCreateEnumeration: |
| 785 | * @name: the enumeration name or NULL |
| 786 | * |
| 787 | * create and initialize an enumeration attribute node. |
| 788 | * |
| 789 | * Returns the xmlEnumerationPtr just created or NULL in case |
| 790 | * of error. |
| 791 | */ |
| 792 | xmlEnumerationPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 793 | xmlCreateEnumeration(xmlChar *name) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 794 | xmlEnumerationPtr ret; |
| 795 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 796 | ret = (xmlEnumerationPtr) xmlMalloc(sizeof(xmlEnumeration)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 797 | if (ret == NULL) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 798 | fprintf(stderr, "xmlCreateEnumeration : xmlMalloc(%ld) failed\n", |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 799 | (long)sizeof(xmlEnumeration)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 800 | return(NULL); |
| 801 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 802 | memset(ret, 0, sizeof(xmlEnumeration)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 803 | |
| 804 | if (name != NULL) |
| 805 | ret->name = xmlStrdup(name); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 806 | return(ret); |
| 807 | } |
| 808 | |
| 809 | /** |
| 810 | * xmlFreeEnumeration: |
| 811 | * @cur: the tree to free. |
| 812 | * |
| 813 | * free an enumeration attribute node (recursive). |
| 814 | */ |
| 815 | void |
| 816 | xmlFreeEnumeration(xmlEnumerationPtr cur) { |
| 817 | if (cur == NULL) return; |
| 818 | |
| 819 | if (cur->next != NULL) xmlFreeEnumeration(cur->next); |
| 820 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 821 | if (cur->name != NULL) xmlFree((xmlChar *) cur->name); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 822 | memset(cur, -1, sizeof(xmlEnumeration)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 823 | xmlFree(cur); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 824 | } |
| 825 | |
| 826 | /** |
| 827 | * xmlCopyEnumeration: |
| 828 | * @cur: the tree to copy. |
| 829 | * |
| 830 | * Copy an enumeration attribute node (recursive). |
| 831 | * |
| 832 | * Returns the xmlEnumerationPtr just created or NULL in case |
| 833 | * of error. |
| 834 | */ |
| 835 | xmlEnumerationPtr |
| 836 | xmlCopyEnumeration(xmlEnumerationPtr cur) { |
| 837 | xmlEnumerationPtr ret; |
| 838 | |
| 839 | if (cur == NULL) return(NULL); |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 840 | ret = xmlCreateEnumeration((xmlChar *) cur->name); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 841 | |
| 842 | if (cur->next != NULL) ret->next = xmlCopyEnumeration(cur->next); |
| 843 | else ret->next = NULL; |
| 844 | |
| 845 | return(ret); |
| 846 | } |
| 847 | |
| 848 | /** |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 849 | * xmlDumpEnumeration: |
| 850 | * @buf: the XML buffer output |
| 851 | * @enum: An enumeration |
| 852 | * |
| 853 | * This will dump the content of the enumeration |
| 854 | */ |
| 855 | void |
| 856 | xmlDumpEnumeration(xmlBufferPtr buf, xmlEnumerationPtr cur) { |
| 857 | if (cur == NULL) return; |
| 858 | |
| 859 | xmlBufferWriteCHAR(buf, cur->name); |
| 860 | if (cur->next == NULL) |
| 861 | xmlBufferWriteChar(buf, ")"); |
| 862 | else { |
| 863 | xmlBufferWriteChar(buf, " | "); |
| 864 | xmlDumpEnumeration(buf, cur->next); |
| 865 | } |
| 866 | } |
| 867 | |
| 868 | /** |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 869 | * xmlCreateAttributeTable: |
| 870 | * |
| 871 | * create and initialize an empty attribute hash table. |
| 872 | * |
| 873 | * Returns the xmlAttributeTablePtr just created or NULL in case |
| 874 | * of error. |
| 875 | */ |
| 876 | xmlAttributeTablePtr |
| 877 | xmlCreateAttributeTable(void) { |
| 878 | xmlAttributeTablePtr ret; |
| 879 | |
| 880 | ret = (xmlAttributeTablePtr) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 881 | xmlMalloc(sizeof(xmlAttributeTable)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 882 | if (ret == NULL) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 883 | fprintf(stderr, "xmlCreateAttributeTable : xmlMalloc(%ld) failed\n", |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 884 | (long)sizeof(xmlAttributeTable)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 885 | return(NULL); |
| 886 | } |
| 887 | ret->max_attributes = XML_MIN_ATTRIBUTE_TABLE; |
| 888 | ret->nb_attributes = 0; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 889 | ret->table = (xmlAttributePtr *) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 890 | xmlMalloc(ret->max_attributes * sizeof(xmlAttributePtr)); |
Daniel Veillard | 87b9539 | 2000-08-12 21:12:04 +0000 | [diff] [blame] | 891 | if (ret->table == NULL) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 892 | fprintf(stderr, "xmlCreateAttributeTable : xmlMalloc(%ld) failed\n", |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 893 | ret->max_attributes * (long)sizeof(xmlAttributePtr)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 894 | xmlFree(ret); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 895 | return(NULL); |
| 896 | } |
| 897 | return(ret); |
| 898 | } |
| 899 | |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 900 | /** |
| 901 | * xmlScanAttributeDecl: |
| 902 | * @dtd: pointer to the DTD |
| 903 | * @elem: the element name |
| 904 | * |
| 905 | * When inserting a new element scan the DtD for existing attributes |
| 906 | * for taht element and initialize the Attribute chain |
| 907 | * |
| 908 | * Returns the pointer to the first attribute decl in the chain, |
| 909 | * possibly NULL. |
| 910 | */ |
| 911 | xmlAttributePtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 912 | xmlScanAttributeDecl(xmlDtdPtr dtd, const xmlChar *elem) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 913 | xmlAttributePtr ret = NULL; |
| 914 | xmlAttributeTablePtr table; |
| 915 | int i; |
| 916 | |
| 917 | if (dtd == NULL) { |
| 918 | fprintf(stderr, "xmlScanAttributeDecl: dtd == NULL\n"); |
| 919 | return(NULL); |
| 920 | } |
| 921 | if (elem == NULL) { |
| 922 | fprintf(stderr, "xmlScanAttributeDecl: elem == NULL\n"); |
| 923 | return(NULL); |
| 924 | } |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 925 | table = (xmlAttributeTablePtr) dtd->attributes; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 926 | if (table == NULL) |
| 927 | return(NULL); |
| 928 | |
| 929 | for (i = 0;i < table->nb_attributes;i++) { |
| 930 | if (!xmlStrcmp(table->table[i]->elem, elem)) { |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 931 | table->table[i]->nexth = ret; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 932 | ret = table->table[i]; |
| 933 | } |
| 934 | } |
| 935 | return(ret); |
| 936 | } |
| 937 | |
| 938 | /** |
| 939 | * xmlScanIDAttributeDecl: |
| 940 | * @ctxt: the validation context |
| 941 | * @elem: the element name |
| 942 | * |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 943 | * Verify that the element don't have too many ID attributes |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 944 | * declared. |
| 945 | * |
| 946 | * Returns the number of ID attributes found. |
| 947 | */ |
| 948 | int |
| 949 | xmlScanIDAttributeDecl(xmlValidCtxtPtr ctxt, xmlElementPtr elem) { |
| 950 | xmlAttributePtr cur; |
| 951 | int ret = 0; |
| 952 | |
| 953 | if (elem == NULL) return(0); |
| 954 | cur = elem->attributes; |
| 955 | while (cur != NULL) { |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 956 | if (cur->atype == XML_ATTRIBUTE_ID) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 957 | ret ++; |
| 958 | if (ret > 1) |
| 959 | VERROR(ctxt->userData, |
| 960 | "Element %s has too may ID attributes defined : %s\n", |
| 961 | elem->name, cur->name); |
| 962 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 963 | cur = cur->nexth; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 964 | } |
| 965 | return(ret); |
| 966 | } |
| 967 | |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 968 | |
| 969 | /** |
| 970 | * xmlAddAttributeDecl: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 971 | * @ctxt: the validation context |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 972 | * @dtd: pointer to the DTD |
| 973 | * @elem: the element name |
| 974 | * @name: the attribute name |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 975 | * @ns: the attribute namespace prefix |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 976 | * @type: the attribute type |
| 977 | * @def: the attribute default type |
| 978 | * @defaultValue: the attribute default value |
| 979 | * @tree: if it's an enumeration, the associated list |
| 980 | * |
| 981 | * Register a new attribute declaration |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 982 | * Note that @tree becomes the ownership of the DTD |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 983 | * |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 984 | * Returns NULL if not new, othervise the attribute decl |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 985 | */ |
| 986 | xmlAttributePtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 987 | xmlAddAttributeDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const xmlChar *elem, |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 988 | const xmlChar *name, const xmlChar *ns, |
| 989 | xmlAttributeType type, xmlAttributeDefault def, |
| 990 | const xmlChar *defaultValue, xmlEnumerationPtr tree) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 991 | xmlAttributePtr ret, cur; |
| 992 | xmlAttributeTablePtr table; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 993 | xmlElementPtr elemDef; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 994 | int i; |
| 995 | |
| 996 | if (dtd == NULL) { |
| 997 | fprintf(stderr, "xmlAddAttributeDecl: dtd == NULL\n"); |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 998 | xmlFreeEnumeration(tree); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 999 | return(NULL); |
| 1000 | } |
| 1001 | if (name == NULL) { |
| 1002 | fprintf(stderr, "xmlAddAttributeDecl: name == NULL\n"); |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 1003 | xmlFreeEnumeration(tree); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1004 | return(NULL); |
| 1005 | } |
| 1006 | if (elem == NULL) { |
| 1007 | fprintf(stderr, "xmlAddAttributeDecl: elem == NULL\n"); |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 1008 | xmlFreeEnumeration(tree); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1009 | return(NULL); |
| 1010 | } |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 1011 | /* |
| 1012 | * Check the type and possibly the default value. |
| 1013 | */ |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1014 | switch (type) { |
| 1015 | case XML_ATTRIBUTE_CDATA: |
| 1016 | break; |
| 1017 | case XML_ATTRIBUTE_ID: |
| 1018 | break; |
| 1019 | case XML_ATTRIBUTE_IDREF: |
| 1020 | break; |
| 1021 | case XML_ATTRIBUTE_IDREFS: |
| 1022 | break; |
| 1023 | case XML_ATTRIBUTE_ENTITY: |
| 1024 | break; |
| 1025 | case XML_ATTRIBUTE_ENTITIES: |
| 1026 | break; |
| 1027 | case XML_ATTRIBUTE_NMTOKEN: |
| 1028 | break; |
| 1029 | case XML_ATTRIBUTE_NMTOKENS: |
| 1030 | break; |
| 1031 | case XML_ATTRIBUTE_ENUMERATION: |
| 1032 | break; |
| 1033 | case XML_ATTRIBUTE_NOTATION: |
| 1034 | break; |
| 1035 | default: |
| 1036 | fprintf(stderr, "xmlAddAttributeDecl: unknown type %d\n", type); |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 1037 | xmlFreeEnumeration(tree); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1038 | return(NULL); |
| 1039 | } |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 1040 | if ((defaultValue != NULL) && |
| 1041 | (!xmlValidateAttributeValue(type, defaultValue))) { |
| 1042 | VERROR(ctxt->userData, "Attribute %s on %s: invalid default value\n", |
| 1043 | elem, name, defaultValue); |
| 1044 | defaultValue = NULL; |
| 1045 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1046 | |
| 1047 | /* |
| 1048 | * Create the Attribute table if needed. |
| 1049 | */ |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 1050 | table = (xmlAttributeTablePtr) dtd->attributes; |
| 1051 | if (table == NULL) { |
| 1052 | table = xmlCreateAttributeTable(); |
| 1053 | dtd->attributes = (void *) table; |
| 1054 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1055 | if (table == NULL) { |
| 1056 | fprintf(stderr, "xmlAddAttributeDecl: Table creation failed!\n"); |
| 1057 | return(NULL); |
| 1058 | } |
| 1059 | |
| 1060 | /* |
| 1061 | * Validity Check: |
| 1062 | * Search the DTD for previous declarations of the ATTLIST |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 1063 | * The initial code used to walk the attribute table comparing |
| 1064 | * all pairs of element/attribute names, and was far too slow |
| 1065 | * for large DtDs, we now walk the attribute list associated to |
| 1066 | * the element declaration instead if this declaration is found. |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1067 | */ |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 1068 | elemDef = xmlGetDtdElementDesc(dtd, elem); |
| 1069 | if (elemDef != NULL) { |
| 1070 | /* |
| 1071 | * follow the attribute list. |
| 1072 | */ |
| 1073 | cur = elemDef->attributes; |
| 1074 | while (cur != NULL) { |
| 1075 | if ((ns != NULL) && (cur->prefix == NULL)) { |
| 1076 | cur = cur->nexth; |
| 1077 | continue; |
| 1078 | } |
| 1079 | if ((ns == NULL) && (cur->prefix != NULL)) { |
| 1080 | cur = cur->nexth; |
| 1081 | continue; |
| 1082 | } |
| 1083 | if ((!xmlStrcmp(cur->name, name)) && |
| 1084 | ((ns == NULL) || (!xmlStrcmp(cur->prefix, ns)))) { |
| 1085 | /* |
| 1086 | * The attribute is already defined in this Dtd. |
| 1087 | */ |
| 1088 | VWARNING(ctxt->userData, |
| 1089 | "Attribute %s on %s: already defined\n", |
| 1090 | name, elem); |
| 1091 | xmlFreeEnumeration(tree); |
| 1092 | return(NULL); |
| 1093 | } |
| 1094 | cur = cur->nexth; |
| 1095 | } |
| 1096 | } else { |
| 1097 | /* |
| 1098 | * Walk down the attribute table. |
| 1099 | */ |
| 1100 | for (i = 0;i < table->nb_attributes;i++) { |
| 1101 | cur = table->table[i]; |
| 1102 | if ((ns != NULL) && (cur->prefix == NULL)) continue; |
| 1103 | if ((ns == NULL) && (cur->prefix != NULL)) continue; |
| 1104 | if ((!xmlStrcmp(cur->name, name)) && |
| 1105 | (!xmlStrcmp(cur->elem, elem)) && |
| 1106 | ((ns == NULL) || (!xmlStrcmp(cur->prefix, ns)))) { |
| 1107 | /* |
| 1108 | * The attribute is already defined in this Dtd. |
| 1109 | */ |
| 1110 | VWARNING(ctxt->userData, |
| 1111 | "Attribute %s on %s: already defined\n", |
| 1112 | elem, name); |
| 1113 | xmlFreeEnumeration(tree); |
| 1114 | return(NULL); |
| 1115 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1116 | } |
| 1117 | } |
| 1118 | |
| 1119 | /* |
| 1120 | * Grow the table, if needed. |
| 1121 | */ |
| 1122 | if (table->nb_attributes >= table->max_attributes) { |
| 1123 | /* |
| 1124 | * need more attributes. |
| 1125 | */ |
| 1126 | table->max_attributes *= 2; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1127 | table->table = (xmlAttributePtr *) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1128 | xmlRealloc(table->table, table->max_attributes * |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1129 | sizeof(xmlAttributePtr)); |
| 1130 | if (table->table == NULL) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1131 | fprintf(stderr, "xmlAddAttributeDecl: out of memory\n"); |
| 1132 | return(NULL); |
| 1133 | } |
| 1134 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1135 | ret = (xmlAttributePtr) xmlMalloc(sizeof(xmlAttribute)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1136 | if (ret == NULL) { |
| 1137 | fprintf(stderr, "xmlAddAttributeDecl: out of memory\n"); |
| 1138 | return(NULL); |
| 1139 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1140 | memset(ret, 0, sizeof(xmlAttribute)); |
| 1141 | ret->type = XML_ATTRIBUTE_DECL; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1142 | table->table[table->nb_attributes] = ret; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1143 | |
| 1144 | /* |
| 1145 | * fill the structure. |
| 1146 | */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1147 | ret->atype = type; |
| 1148 | ret->name = xmlStrdup(name); |
| 1149 | ret->prefix = xmlStrdup(ns); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1150 | ret->elem = xmlStrdup(elem); |
| 1151 | ret->def = def; |
| 1152 | ret->tree = tree; |
| 1153 | if (defaultValue != NULL) |
| 1154 | ret->defaultValue = xmlStrdup(defaultValue); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1155 | if (elemDef != NULL) { |
| 1156 | if ((type == XML_ATTRIBUTE_ID) && |
| 1157 | (xmlScanIDAttributeDecl(NULL, elemDef) != 0)) |
| 1158 | VERROR(ctxt->userData, |
| 1159 | "Element %s has too may ID attributes defined : %s\n", |
| 1160 | elem, name); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1161 | ret->nexth = elemDef->attributes; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1162 | elemDef->attributes = ret; |
| 1163 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1164 | table->nb_attributes++; |
| 1165 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1166 | /* |
| 1167 | * Link it to the Dtd |
| 1168 | */ |
| 1169 | ret->parent = dtd; |
| 1170 | ret->doc = dtd->doc; |
| 1171 | if (dtd->last == NULL) { |
| 1172 | dtd->children = dtd->last = (xmlNodePtr) ret; |
| 1173 | } else { |
| 1174 | dtd->last->next = (xmlNodePtr) ret; |
| 1175 | ret->prev = dtd->last; |
| 1176 | dtd->last = (xmlNodePtr) ret; |
| 1177 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1178 | return(ret); |
| 1179 | } |
| 1180 | |
| 1181 | /** |
| 1182 | * xmlFreeAttribute: |
| 1183 | * @elem: An attribute |
| 1184 | * |
| 1185 | * Deallocate the memory used by an attribute definition |
| 1186 | */ |
| 1187 | void |
| 1188 | xmlFreeAttribute(xmlAttributePtr attr) { |
| 1189 | if (attr == NULL) return; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1190 | xmlUnlinkNode((xmlNodePtr) attr); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1191 | if (attr->tree != NULL) |
| 1192 | xmlFreeEnumeration(attr->tree); |
| 1193 | if (attr->elem != NULL) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1194 | xmlFree((xmlChar *) attr->elem); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1195 | if (attr->name != NULL) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1196 | xmlFree((xmlChar *) attr->name); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1197 | if (attr->defaultValue != NULL) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1198 | xmlFree((xmlChar *) attr->defaultValue); |
Daniel Veillard | 10a2c65 | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1199 | if (attr->prefix != NULL) |
| 1200 | xmlFree((xmlChar *) attr->prefix); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1201 | memset(attr, -1, sizeof(xmlAttribute)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1202 | xmlFree(attr); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1203 | } |
| 1204 | |
| 1205 | /** |
| 1206 | * xmlFreeAttributeTable: |
| 1207 | * @table: An attribute table |
| 1208 | * |
| 1209 | * Deallocate the memory used by an entities hash table. |
| 1210 | */ |
| 1211 | void |
| 1212 | xmlFreeAttributeTable(xmlAttributeTablePtr table) { |
| 1213 | int i; |
| 1214 | |
| 1215 | if (table == NULL) return; |
| 1216 | |
| 1217 | for (i = 0;i < table->nb_attributes;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1218 | xmlFreeAttribute(table->table[i]); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1219 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1220 | xmlFree(table->table); |
| 1221 | xmlFree(table); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1222 | } |
| 1223 | |
| 1224 | /** |
| 1225 | * xmlCopyAttributeTable: |
| 1226 | * @table: An attribute table |
| 1227 | * |
| 1228 | * Build a copy of an attribute table. |
| 1229 | * |
| 1230 | * Returns the new xmlAttributeTablePtr or NULL in case of error. |
| 1231 | */ |
| 1232 | xmlAttributeTablePtr |
| 1233 | xmlCopyAttributeTable(xmlAttributeTablePtr table) { |
| 1234 | xmlAttributeTablePtr ret; |
| 1235 | xmlAttributePtr cur, attr; |
| 1236 | int i; |
| 1237 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1238 | ret = (xmlAttributeTablePtr) xmlMalloc(sizeof(xmlAttributeTable)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1239 | if (ret == NULL) { |
| 1240 | fprintf(stderr, "xmlCopyAttributeTable: out of memory !\n"); |
| 1241 | return(NULL); |
| 1242 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1243 | ret->table = (xmlAttributePtr *) xmlMalloc(table->max_attributes * |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1244 | sizeof(xmlAttributePtr)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1245 | if (ret->table == NULL) { |
| 1246 | fprintf(stderr, "xmlCopyAttributeTable: out of memory !\n"); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1247 | xmlFree(ret); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1248 | return(NULL); |
| 1249 | } |
| 1250 | ret->max_attributes = table->max_attributes; |
| 1251 | ret->nb_attributes = table->nb_attributes; |
| 1252 | for (i = 0;i < ret->nb_attributes;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1253 | attr = table->table[i]; |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1254 | cur = (xmlAttributePtr) xmlMalloc(sizeof(xmlAttribute)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1255 | if (cur == NULL) { |
| 1256 | fprintf(stderr, "xmlCopyAttributeTable: out of memory !\n"); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1257 | xmlFree(ret); |
| 1258 | xmlFree(ret->table); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1259 | return(NULL); |
| 1260 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1261 | memset(cur, 0, sizeof(xmlAttribute)); |
| 1262 | /* !!! cur->type = XML_ATTRIBUTE_DECL; */ |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1263 | ret->table[i] = cur; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1264 | cur->atype = attr->atype; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1265 | cur->def = attr->def; |
| 1266 | cur->tree = xmlCopyEnumeration(attr->tree); |
| 1267 | if (attr->elem != NULL) |
| 1268 | cur->elem = xmlStrdup(attr->elem); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1269 | if (attr->name != NULL) |
| 1270 | cur->name = xmlStrdup(attr->name); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1271 | if (attr->defaultValue != NULL) |
| 1272 | cur->defaultValue = xmlStrdup(attr->defaultValue); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1273 | /* NEED to rebuild the next chain !!!!!! */ |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1274 | } |
| 1275 | return(ret); |
| 1276 | } |
| 1277 | |
| 1278 | /** |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1279 | * xmlDumpAttributeDecl: |
| 1280 | * @buf: the XML buffer output |
| 1281 | * @attr: An attribute declaration |
| 1282 | * |
| 1283 | * This will dump the content of the attribute declaration as an XML |
| 1284 | * DTD definition |
| 1285 | */ |
| 1286 | void |
| 1287 | xmlDumpAttributeDecl(xmlBufferPtr buf, xmlAttributePtr attr) { |
| 1288 | xmlBufferWriteChar(buf, "<!ATTLIST "); |
| 1289 | xmlBufferWriteCHAR(buf, attr->elem); |
| 1290 | xmlBufferWriteChar(buf, " "); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 1291 | if (attr->prefix != NULL) { |
| 1292 | xmlBufferWriteCHAR(buf, attr->prefix); |
| 1293 | xmlBufferWriteChar(buf, ":"); |
| 1294 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1295 | xmlBufferWriteCHAR(buf, attr->name); |
| 1296 | switch (attr->atype) { |
| 1297 | case XML_ATTRIBUTE_CDATA: |
| 1298 | xmlBufferWriteChar(buf, " CDATA"); |
| 1299 | break; |
| 1300 | case XML_ATTRIBUTE_ID: |
| 1301 | xmlBufferWriteChar(buf, " ID"); |
| 1302 | break; |
| 1303 | case XML_ATTRIBUTE_IDREF: |
| 1304 | xmlBufferWriteChar(buf, " IDREF"); |
| 1305 | break; |
| 1306 | case XML_ATTRIBUTE_IDREFS: |
| 1307 | xmlBufferWriteChar(buf, " IDREFS"); |
| 1308 | break; |
| 1309 | case XML_ATTRIBUTE_ENTITY: |
| 1310 | xmlBufferWriteChar(buf, " ENTITY"); |
| 1311 | break; |
| 1312 | case XML_ATTRIBUTE_ENTITIES: |
| 1313 | xmlBufferWriteChar(buf, " ENTITIES"); |
| 1314 | break; |
| 1315 | case XML_ATTRIBUTE_NMTOKEN: |
| 1316 | xmlBufferWriteChar(buf, " NMTOKEN"); |
| 1317 | break; |
| 1318 | case XML_ATTRIBUTE_NMTOKENS: |
| 1319 | xmlBufferWriteChar(buf, " NMTOKENS"); |
| 1320 | break; |
| 1321 | case XML_ATTRIBUTE_ENUMERATION: |
| 1322 | xmlBufferWriteChar(buf, " ("); |
| 1323 | xmlDumpEnumeration(buf, attr->tree); |
| 1324 | break; |
| 1325 | case XML_ATTRIBUTE_NOTATION: |
| 1326 | xmlBufferWriteChar(buf, " NOTATION ("); |
| 1327 | xmlDumpEnumeration(buf, attr->tree); |
| 1328 | break; |
| 1329 | default: |
| 1330 | fprintf(stderr, |
| 1331 | "xmlDumpAttributeTable: internal: unknown type %d\n", |
| 1332 | attr->atype); |
| 1333 | } |
| 1334 | switch (attr->def) { |
| 1335 | case XML_ATTRIBUTE_NONE: |
| 1336 | break; |
| 1337 | case XML_ATTRIBUTE_REQUIRED: |
| 1338 | xmlBufferWriteChar(buf, " #REQUIRED"); |
| 1339 | break; |
| 1340 | case XML_ATTRIBUTE_IMPLIED: |
| 1341 | xmlBufferWriteChar(buf, " #IMPLIED"); |
| 1342 | break; |
| 1343 | case XML_ATTRIBUTE_FIXED: |
| 1344 | xmlBufferWriteChar(buf, " #FIXED"); |
| 1345 | break; |
| 1346 | default: |
| 1347 | fprintf(stderr, |
| 1348 | "xmlDumpAttributeTable: internal: unknown default %d\n", |
| 1349 | attr->def); |
| 1350 | } |
| 1351 | if (attr->defaultValue != NULL) { |
| 1352 | xmlBufferWriteChar(buf, " "); |
| 1353 | xmlBufferWriteQuotedString(buf, attr->defaultValue); |
| 1354 | } |
| 1355 | xmlBufferWriteChar(buf, ">\n"); |
| 1356 | } |
| 1357 | |
| 1358 | /** |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1359 | * xmlDumpAttributeTable: |
Daniel Veillard | 011b63c | 1999-06-02 17:44:04 +0000 | [diff] [blame] | 1360 | * @buf: the XML buffer output |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1361 | * @table: An attribute table |
| 1362 | * |
| 1363 | * This will dump the content of the attribute table as an XML DTD definition |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1364 | */ |
| 1365 | void |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1366 | xmlDumpAttributeTable(xmlBufferPtr buf, xmlAttributeTablePtr table) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1367 | int i; |
| 1368 | xmlAttributePtr cur; |
| 1369 | |
| 1370 | if (table == NULL) return; |
| 1371 | |
| 1372 | for (i = 0;i < table->nb_attributes;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1373 | cur = table->table[i]; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1374 | xmlDumpAttributeDecl(buf, cur); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1375 | } |
| 1376 | } |
| 1377 | |
| 1378 | /************************************************************************ |
| 1379 | * * |
| 1380 | * NOTATIONs * |
| 1381 | * * |
| 1382 | ************************************************************************/ |
| 1383 | /** |
| 1384 | * xmlCreateNotationTable: |
| 1385 | * |
| 1386 | * create and initialize an empty notation hash table. |
| 1387 | * |
| 1388 | * Returns the xmlNotationTablePtr just created or NULL in case |
| 1389 | * of error. |
| 1390 | */ |
| 1391 | xmlNotationTablePtr |
| 1392 | xmlCreateNotationTable(void) { |
| 1393 | xmlNotationTablePtr ret; |
| 1394 | |
| 1395 | ret = (xmlNotationTablePtr) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1396 | xmlMalloc(sizeof(xmlNotationTable)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1397 | if (ret == NULL) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1398 | fprintf(stderr, "xmlCreateNotationTable : xmlMalloc(%ld) failed\n", |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1399 | (long)sizeof(xmlNotationTable)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1400 | return(NULL); |
| 1401 | } |
| 1402 | ret->max_notations = XML_MIN_NOTATION_TABLE; |
| 1403 | ret->nb_notations = 0; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1404 | ret->table = (xmlNotationPtr *) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1405 | xmlMalloc(ret->max_notations * sizeof(xmlNotationPtr)); |
Daniel Veillard | 87b9539 | 2000-08-12 21:12:04 +0000 | [diff] [blame] | 1406 | if (ret->table == NULL) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1407 | fprintf(stderr, "xmlCreateNotationTable : xmlMalloc(%ld) failed\n", |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1408 | ret->max_notations * (long)sizeof(xmlNotation)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1409 | xmlFree(ret); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1410 | return(NULL); |
| 1411 | } |
| 1412 | return(ret); |
| 1413 | } |
| 1414 | |
| 1415 | |
| 1416 | /** |
| 1417 | * xmlAddNotationDecl: |
| 1418 | * @dtd: pointer to the DTD |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1419 | * @ctxt: the validation context |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1420 | * @name: the entity name |
| 1421 | * @PublicID: the public identifier or NULL |
| 1422 | * @SystemID: the system identifier or NULL |
| 1423 | * |
| 1424 | * Register a new notation declaration |
| 1425 | * |
| 1426 | * Returns NULL if not, othervise the entity |
| 1427 | */ |
| 1428 | xmlNotationPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1429 | xmlAddNotationDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const xmlChar *name, |
| 1430 | const xmlChar *PublicID, const xmlChar *SystemID) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1431 | xmlNotationPtr ret, cur; |
| 1432 | xmlNotationTablePtr table; |
| 1433 | int i; |
| 1434 | |
| 1435 | if (dtd == NULL) { |
| 1436 | fprintf(stderr, "xmlAddNotationDecl: dtd == NULL\n"); |
| 1437 | return(NULL); |
| 1438 | } |
| 1439 | if (name == NULL) { |
| 1440 | fprintf(stderr, "xmlAddNotationDecl: name == NULL\n"); |
| 1441 | return(NULL); |
| 1442 | } |
| 1443 | if ((PublicID == NULL) && (SystemID == NULL)) { |
| 1444 | fprintf(stderr, "xmlAddNotationDecl: no PUBLIC ID nor SYSTEM ID\n"); |
| 1445 | } |
| 1446 | |
| 1447 | /* |
| 1448 | * Create the Notation table if needed. |
| 1449 | */ |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 1450 | table = (xmlNotationTablePtr) dtd->notations; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1451 | if (table == NULL) |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 1452 | dtd->notations = table = xmlCreateNotationTable(); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1453 | if (table == NULL) { |
| 1454 | fprintf(stderr, "xmlAddNotationDecl: Table creation failed!\n"); |
| 1455 | return(NULL); |
| 1456 | } |
| 1457 | |
| 1458 | /* |
| 1459 | * Validity Check: |
| 1460 | * Search the DTD for previous declarations of the ATTLIST |
| 1461 | */ |
| 1462 | for (i = 0;i < table->nb_notations;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1463 | cur = table->table[i]; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1464 | if (!xmlStrcmp(cur->name, name)) { |
| 1465 | /* |
| 1466 | * The notation is already defined in this Dtd. |
| 1467 | */ |
| 1468 | fprintf(stderr, |
| 1469 | "xmlAddNotationDecl: %s already defined\n", name); |
| 1470 | } |
| 1471 | } |
| 1472 | |
| 1473 | /* |
| 1474 | * Grow the table, if needed. |
| 1475 | */ |
| 1476 | if (table->nb_notations >= table->max_notations) { |
| 1477 | /* |
| 1478 | * need more notations. |
| 1479 | */ |
| 1480 | table->max_notations *= 2; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1481 | table->table = (xmlNotationPtr *) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1482 | xmlRealloc(table->table, table->max_notations * |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1483 | sizeof(xmlNotationPtr)); |
| 1484 | if (table->table == NULL) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1485 | fprintf(stderr, "xmlAddNotationDecl: out of memory\n"); |
| 1486 | return(NULL); |
| 1487 | } |
| 1488 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1489 | ret = (xmlNotationPtr) xmlMalloc(sizeof(xmlNotation)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1490 | if (ret == NULL) { |
| 1491 | fprintf(stderr, "xmlAddNotationDecl: out of memory\n"); |
| 1492 | return(NULL); |
| 1493 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1494 | memset(ret, 0, sizeof(xmlNotation)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1495 | table->table[table->nb_notations] = ret; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1496 | |
| 1497 | /* |
| 1498 | * fill the structure. |
| 1499 | */ |
| 1500 | ret->name = xmlStrdup(name); |
| 1501 | if (SystemID != NULL) |
| 1502 | ret->SystemID = xmlStrdup(SystemID); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1503 | if (PublicID != NULL) |
| 1504 | ret->PublicID = xmlStrdup(PublicID); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1505 | table->nb_notations++; |
| 1506 | |
| 1507 | return(ret); |
| 1508 | } |
| 1509 | |
| 1510 | /** |
| 1511 | * xmlFreeNotation: |
| 1512 | * @not: A notation |
| 1513 | * |
| 1514 | * Deallocate the memory used by an notation definition |
| 1515 | */ |
| 1516 | void |
| 1517 | xmlFreeNotation(xmlNotationPtr nota) { |
| 1518 | if (nota == NULL) return; |
| 1519 | if (nota->name != NULL) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1520 | xmlFree((xmlChar *) nota->name); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1521 | if (nota->PublicID != NULL) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1522 | xmlFree((xmlChar *) nota->PublicID); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1523 | if (nota->SystemID != NULL) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1524 | xmlFree((xmlChar *) nota->SystemID); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1525 | memset(nota, -1, sizeof(xmlNotation)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1526 | xmlFree(nota); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1527 | } |
| 1528 | |
| 1529 | /** |
| 1530 | * xmlFreeNotationTable: |
| 1531 | * @table: An notation table |
| 1532 | * |
| 1533 | * Deallocate the memory used by an entities hash table. |
| 1534 | */ |
| 1535 | void |
| 1536 | xmlFreeNotationTable(xmlNotationTablePtr table) { |
| 1537 | int i; |
| 1538 | |
| 1539 | if (table == NULL) return; |
| 1540 | |
| 1541 | for (i = 0;i < table->nb_notations;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1542 | xmlFreeNotation(table->table[i]); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1543 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1544 | xmlFree(table->table); |
| 1545 | xmlFree(table); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1546 | } |
| 1547 | |
| 1548 | /** |
| 1549 | * xmlCopyNotationTable: |
| 1550 | * @table: A notation table |
| 1551 | * |
| 1552 | * Build a copy of a notation table. |
| 1553 | * |
| 1554 | * Returns the new xmlNotationTablePtr or NULL in case of error. |
| 1555 | */ |
| 1556 | xmlNotationTablePtr |
| 1557 | xmlCopyNotationTable(xmlNotationTablePtr table) { |
| 1558 | xmlNotationTablePtr ret; |
| 1559 | xmlNotationPtr cur, nota; |
| 1560 | int i; |
| 1561 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1562 | ret = (xmlNotationTablePtr) xmlMalloc(sizeof(xmlNotationTable)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1563 | if (ret == NULL) { |
| 1564 | fprintf(stderr, "xmlCopyNotationTable: out of memory !\n"); |
| 1565 | return(NULL); |
| 1566 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1567 | ret->table = (xmlNotationPtr *) xmlMalloc(table->max_notations * |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1568 | sizeof(xmlNotationPtr)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1569 | if (ret->table == NULL) { |
| 1570 | fprintf(stderr, "xmlCopyNotationTable: out of memory !\n"); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1571 | xmlFree(ret); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1572 | return(NULL); |
| 1573 | } |
| 1574 | ret->max_notations = table->max_notations; |
| 1575 | ret->nb_notations = table->nb_notations; |
| 1576 | for (i = 0;i < ret->nb_notations;i++) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1577 | cur = (xmlNotationPtr) xmlMalloc(sizeof(xmlNotation)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1578 | if (cur == NULL) { |
| 1579 | fprintf(stderr, "xmlCopyNotationTable: out of memory !\n"); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1580 | xmlFree(ret); |
| 1581 | xmlFree(ret->table); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1582 | return(NULL); |
| 1583 | } |
| 1584 | ret->table[i] = cur; |
| 1585 | nota = table->table[i]; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1586 | if (nota->name != NULL) |
| 1587 | cur->name = xmlStrdup(nota->name); |
| 1588 | else |
| 1589 | cur->name = NULL; |
| 1590 | if (nota->PublicID != NULL) |
| 1591 | cur->PublicID = xmlStrdup(nota->PublicID); |
| 1592 | else |
| 1593 | cur->PublicID = NULL; |
| 1594 | if (nota->SystemID != NULL) |
| 1595 | cur->SystemID = xmlStrdup(nota->SystemID); |
| 1596 | else |
| 1597 | cur->SystemID = NULL; |
| 1598 | } |
| 1599 | return(ret); |
| 1600 | } |
| 1601 | |
| 1602 | /** |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1603 | * xmlDumpNotationDecl: |
| 1604 | * @buf: the XML buffer output |
| 1605 | * @nota: A notation declaration |
| 1606 | * |
| 1607 | * This will dump the content the notation declaration as an XML DTD definition |
| 1608 | */ |
| 1609 | void |
| 1610 | xmlDumpNotationDecl(xmlBufferPtr buf, xmlNotationPtr nota) { |
| 1611 | xmlBufferWriteChar(buf, "<!NOTATION "); |
| 1612 | xmlBufferWriteCHAR(buf, nota->name); |
| 1613 | if (nota->PublicID != NULL) { |
| 1614 | xmlBufferWriteChar(buf, " PUBLIC "); |
| 1615 | xmlBufferWriteQuotedString(buf, nota->PublicID); |
| 1616 | if (nota->SystemID != NULL) { |
| 1617 | xmlBufferWriteChar(buf, " "); |
| 1618 | xmlBufferWriteCHAR(buf, nota->SystemID); |
| 1619 | } |
| 1620 | } else { |
| 1621 | xmlBufferWriteChar(buf, " SYSTEM "); |
| 1622 | xmlBufferWriteCHAR(buf, nota->SystemID); |
| 1623 | } |
| 1624 | xmlBufferWriteChar(buf, " >\n"); |
| 1625 | } |
| 1626 | |
| 1627 | /** |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1628 | * xmlDumpNotationTable: |
Daniel Veillard | 011b63c | 1999-06-02 17:44:04 +0000 | [diff] [blame] | 1629 | * @buf: the XML buffer output |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1630 | * @table: A notation table |
| 1631 | * |
| 1632 | * This will dump the content of the notation table as an XML DTD definition |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1633 | */ |
| 1634 | void |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1635 | xmlDumpNotationTable(xmlBufferPtr buf, xmlNotationTablePtr table) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1636 | int i; |
| 1637 | xmlNotationPtr cur; |
| 1638 | |
| 1639 | if (table == NULL) return; |
| 1640 | |
| 1641 | for (i = 0;i < table->nb_notations;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1642 | cur = table->table[i]; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1643 | xmlDumpNotationDecl(buf, cur); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1644 | } |
| 1645 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1646 | |
| 1647 | /************************************************************************ |
| 1648 | * * |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 1649 | * IDs * |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1650 | * * |
| 1651 | ************************************************************************/ |
| 1652 | /** |
| 1653 | * xmlCreateIDTable: |
| 1654 | * |
| 1655 | * create and initialize an empty id hash table. |
| 1656 | * |
| 1657 | * Returns the xmlIDTablePtr just created or NULL in case |
| 1658 | * of error. |
| 1659 | */ |
| 1660 | xmlIDTablePtr |
| 1661 | xmlCreateIDTable(void) { |
| 1662 | xmlIDTablePtr ret; |
| 1663 | |
| 1664 | ret = (xmlIDTablePtr) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1665 | xmlMalloc(sizeof(xmlIDTable)); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1666 | if (ret == NULL) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1667 | fprintf(stderr, "xmlCreateIDTable : xmlMalloc(%ld) failed\n", |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1668 | (long)sizeof(xmlIDTable)); |
| 1669 | return(NULL); |
| 1670 | } |
| 1671 | ret->max_ids = XML_MIN_NOTATION_TABLE; |
| 1672 | ret->nb_ids = 0; |
| 1673 | ret->table = (xmlIDPtr *) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1674 | xmlMalloc(ret->max_ids * sizeof(xmlIDPtr)); |
Daniel Veillard | 87b9539 | 2000-08-12 21:12:04 +0000 | [diff] [blame] | 1675 | if (ret->table == NULL) { |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1676 | fprintf(stderr, "xmlCreateIDTable : xmlMalloc(%ld) failed\n", |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1677 | ret->max_ids * (long)sizeof(xmlID)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1678 | xmlFree(ret); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1679 | return(NULL); |
| 1680 | } |
| 1681 | return(ret); |
| 1682 | } |
| 1683 | |
| 1684 | |
| 1685 | /** |
| 1686 | * xmlAddID: |
| 1687 | * @ctxt: the validation context |
| 1688 | * @doc: pointer to the document |
| 1689 | * @value: the value name |
| 1690 | * @attr: the attribute holding the ID |
| 1691 | * |
| 1692 | * Register a new id declaration |
| 1693 | * |
| 1694 | * Returns NULL if not, othervise the new xmlIDPtr |
| 1695 | */ |
| 1696 | xmlIDPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1697 | xmlAddID(xmlValidCtxtPtr ctxt, xmlDocPtr doc, const xmlChar *value, |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1698 | xmlAttrPtr attr) { |
| 1699 | xmlIDPtr ret, cur; |
| 1700 | xmlIDTablePtr table; |
| 1701 | int i; |
| 1702 | |
| 1703 | if (doc == NULL) { |
| 1704 | fprintf(stderr, "xmlAddIDDecl: doc == NULL\n"); |
| 1705 | return(NULL); |
| 1706 | } |
| 1707 | if (value == NULL) { |
| 1708 | fprintf(stderr, "xmlAddIDDecl: value == NULL\n"); |
| 1709 | return(NULL); |
| 1710 | } |
| 1711 | if (attr == NULL) { |
| 1712 | fprintf(stderr, "xmlAddIDDecl: attr == NULL\n"); |
| 1713 | return(NULL); |
| 1714 | } |
| 1715 | |
| 1716 | /* |
| 1717 | * Create the ID table if needed. |
| 1718 | */ |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 1719 | table = (xmlIDTablePtr) doc->ids; |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1720 | if (table == NULL) |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 1721 | doc->ids = table = xmlCreateIDTable(); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1722 | if (table == NULL) { |
| 1723 | fprintf(stderr, "xmlAddID: Table creation failed!\n"); |
| 1724 | return(NULL); |
| 1725 | } |
| 1726 | |
| 1727 | /* |
| 1728 | * Validity Check: |
| 1729 | * Search the DTD for previous declarations of the ATTLIST |
| 1730 | */ |
| 1731 | for (i = 0;i < table->nb_ids;i++) { |
| 1732 | cur = table->table[i]; |
| 1733 | if (!xmlStrcmp(cur->value, value)) { |
| 1734 | /* |
| 1735 | * The id is already defined in this Dtd. |
| 1736 | */ |
| 1737 | VERROR(ctxt->userData, "ID %s already defined\n", value); |
| 1738 | return(NULL); |
| 1739 | } |
| 1740 | } |
| 1741 | |
| 1742 | /* |
| 1743 | * Grow the table, if needed. |
| 1744 | */ |
| 1745 | if (table->nb_ids >= table->max_ids) { |
| 1746 | /* |
| 1747 | * need more ids. |
| 1748 | */ |
| 1749 | table->max_ids *= 2; |
| 1750 | table->table = (xmlIDPtr *) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1751 | xmlRealloc(table->table, table->max_ids * |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1752 | sizeof(xmlIDPtr)); |
| 1753 | if (table->table == NULL) { |
| 1754 | fprintf(stderr, "xmlAddID: out of memory\n"); |
| 1755 | return(NULL); |
| 1756 | } |
| 1757 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1758 | ret = (xmlIDPtr) xmlMalloc(sizeof(xmlID)); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1759 | if (ret == NULL) { |
| 1760 | fprintf(stderr, "xmlAddID: out of memory\n"); |
| 1761 | return(NULL); |
| 1762 | } |
| 1763 | table->table[table->nb_ids] = ret; |
| 1764 | |
| 1765 | /* |
| 1766 | * fill the structure. |
| 1767 | */ |
| 1768 | ret->value = xmlStrdup(value); |
| 1769 | ret->attr = attr; |
| 1770 | table->nb_ids++; |
| 1771 | |
| 1772 | return(ret); |
| 1773 | } |
| 1774 | |
| 1775 | /** |
| 1776 | * xmlFreeID: |
| 1777 | * @not: A id |
| 1778 | * |
| 1779 | * Deallocate the memory used by an id definition |
| 1780 | */ |
| 1781 | void |
| 1782 | xmlFreeID(xmlIDPtr id) { |
| 1783 | if (id == NULL) return; |
| 1784 | if (id->value != NULL) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1785 | xmlFree((xmlChar *) id->value); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1786 | memset(id, -1, sizeof(xmlID)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1787 | xmlFree(id); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1788 | } |
| 1789 | |
| 1790 | /** |
| 1791 | * xmlFreeIDTable: |
| 1792 | * @table: An id table |
| 1793 | * |
| 1794 | * Deallocate the memory used by an ID hash table. |
| 1795 | */ |
| 1796 | void |
| 1797 | xmlFreeIDTable(xmlIDTablePtr table) { |
| 1798 | int i; |
| 1799 | |
| 1800 | if (table == NULL) return; |
| 1801 | |
| 1802 | for (i = 0;i < table->nb_ids;i++) { |
| 1803 | xmlFreeID(table->table[i]); |
| 1804 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1805 | xmlFree(table->table); |
| 1806 | xmlFree(table); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1807 | } |
| 1808 | |
| 1809 | /** |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1810 | * xmlIsID: |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1811 | * @doc: the document |
| 1812 | * @elem: the element carrying the attribute |
| 1813 | * @attr: the attribute |
| 1814 | * |
| 1815 | * Determine whether an attribute is of type ID. In case we have Dtd(s) |
| 1816 | * then this is simple, otherwise we use an heuristic: name ID (upper |
| 1817 | * or lowercase). |
| 1818 | * |
| 1819 | * Returns 0 or 1 depending on the lookup result |
| 1820 | */ |
| 1821 | int |
| 1822 | xmlIsID(xmlDocPtr doc, xmlNodePtr elem, xmlAttrPtr attr) { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1823 | if (doc == NULL) return(0); |
| 1824 | if (attr == NULL) return(0); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1825 | if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) { |
| 1826 | if (((attr->name[0] == 'I') || (attr->name[0] == 'i')) && |
| 1827 | ((attr->name[1] == 'D') || (attr->name[1] == 'd')) && |
| 1828 | (attr->name[2] == 0)) return(1); |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1829 | } else if (doc->type == XML_HTML_DOCUMENT_NODE) { |
| 1830 | if ((!xmlStrcmp(BAD_CAST "id", attr->name)) || |
| 1831 | (!xmlStrcmp(BAD_CAST "name", attr->name))) |
| 1832 | return(1); |
| 1833 | return(0); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1834 | } else { |
| 1835 | xmlAttributePtr attrDecl; |
| 1836 | |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1837 | if (elem == NULL) return(0); |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1838 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, attr->name); |
| 1839 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 1840 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, |
| 1841 | attr->name); |
| 1842 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1843 | if ((attrDecl != NULL) && (attrDecl->atype == XML_ATTRIBUTE_ID)) |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1844 | return(1); |
| 1845 | } |
| 1846 | return(0); |
| 1847 | } |
| 1848 | |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 1849 | /** |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1850 | * xmlRemoveID |
| 1851 | * @doc: the document |
| 1852 | * @attr: the attribute |
| 1853 | * |
| 1854 | * Remove the given attribute from the ID table maintained internally. |
| 1855 | * |
| 1856 | * Returns -1 if the lookup failed and 0 otherwise |
| 1857 | */ |
| 1858 | int |
| 1859 | xmlRemoveID(xmlDocPtr doc, xmlAttrPtr attr) { |
| 1860 | xmlIDPtr cur; |
| 1861 | xmlIDTablePtr table; |
| 1862 | int i; |
| 1863 | |
| 1864 | if (doc == NULL) return(-1); |
| 1865 | if (attr == NULL) return(-1); |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 1866 | table = (xmlIDTablePtr) doc->ids; |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1867 | if (table == NULL) |
| 1868 | return(-1); |
| 1869 | |
| 1870 | /* |
| 1871 | * Search the ID list. |
| 1872 | */ |
| 1873 | for (i = 0;i < table->nb_ids;i++) { |
| 1874 | cur = table->table[i]; |
| 1875 | if (cur->attr == attr) { |
| 1876 | table->nb_ids--; |
| 1877 | memmove(&table->table[i], &table->table[i+1], |
| 1878 | (table->nb_ids - i) * sizeof(xmlIDPtr)); |
| 1879 | return(0); |
| 1880 | } |
| 1881 | } |
| 1882 | return(-1); |
| 1883 | } |
| 1884 | |
| 1885 | /** |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 1886 | * xmlGetID: |
| 1887 | * @doc: pointer to the document |
| 1888 | * @ID: the ID value |
| 1889 | * |
| 1890 | * Search the attribute declaring the given ID |
| 1891 | * |
| 1892 | * Returns NULL if not found, otherwise the xmlAttrPtr defining the ID |
| 1893 | */ |
| 1894 | xmlAttrPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1895 | xmlGetID(xmlDocPtr doc, const xmlChar *ID) { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 1896 | xmlIDPtr cur; |
| 1897 | xmlIDTablePtr table; |
| 1898 | int i; |
| 1899 | |
| 1900 | if (doc == NULL) { |
| 1901 | fprintf(stderr, "xmlGetID: doc == NULL\n"); |
| 1902 | return(NULL); |
| 1903 | } |
| 1904 | |
| 1905 | if (ID == NULL) { |
| 1906 | fprintf(stderr, "xmlGetID: ID == NULL\n"); |
| 1907 | return(NULL); |
| 1908 | } |
| 1909 | |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 1910 | table = (xmlIDTablePtr) doc->ids; |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 1911 | if (table == NULL) |
| 1912 | return(NULL); |
| 1913 | |
| 1914 | /* |
| 1915 | * Search the ID list. |
| 1916 | */ |
| 1917 | for (i = 0;i < table->nb_ids;i++) { |
| 1918 | cur = table->table[i]; |
| 1919 | if (!xmlStrcmp(cur->value, ID)) { |
| 1920 | return(cur->attr); |
| 1921 | } |
| 1922 | } |
| 1923 | return(NULL); |
| 1924 | } |
| 1925 | |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1926 | /************************************************************************ |
| 1927 | * * |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 1928 | * Refs * |
| 1929 | * * |
| 1930 | ************************************************************************/ |
| 1931 | /** |
| 1932 | * xmlCreateRefTable: |
| 1933 | * |
| 1934 | * create and initialize an empty ref hash table. |
| 1935 | * |
| 1936 | * Returns the xmlRefTablePtr just created or NULL in case |
| 1937 | * of error. |
| 1938 | */ |
| 1939 | xmlRefTablePtr |
| 1940 | xmlCreateRefTable(void) { |
| 1941 | xmlRefTablePtr ret; |
| 1942 | |
| 1943 | ret = (xmlRefTablePtr) |
| 1944 | xmlMalloc(sizeof(xmlRefTable)); |
| 1945 | if (ret == NULL) { |
| 1946 | fprintf(stderr, "xmlCreateRefTable : xmlMalloc(%ld) failed\n", |
| 1947 | (long)sizeof(xmlRefTable)); |
| 1948 | return(NULL); |
| 1949 | } |
| 1950 | ret->max_refs = XML_MIN_NOTATION_TABLE; |
| 1951 | ret->nb_refs = 0; |
| 1952 | ret->table = (xmlRefPtr *) |
| 1953 | xmlMalloc(ret->max_refs * sizeof(xmlRefPtr)); |
Daniel Veillard | 87b9539 | 2000-08-12 21:12:04 +0000 | [diff] [blame] | 1954 | if (ret->table == NULL) { |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 1955 | fprintf(stderr, "xmlCreateRefTable : xmlMalloc(%ld) failed\n", |
| 1956 | ret->max_refs * (long)sizeof(xmlRef)); |
| 1957 | xmlFree(ret); |
| 1958 | return(NULL); |
| 1959 | } |
| 1960 | return(ret); |
| 1961 | } |
| 1962 | |
| 1963 | |
| 1964 | /** |
| 1965 | * xmlAddRef: |
| 1966 | * @ctxt: the validation context |
| 1967 | * @doc: pointer to the document |
| 1968 | * @value: the value name |
| 1969 | * @attr: the attribute holding the Ref |
| 1970 | * |
| 1971 | * Register a new ref declaration |
| 1972 | * |
| 1973 | * Returns NULL if not, othervise the new xmlRefPtr |
| 1974 | */ |
| 1975 | xmlRefPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1976 | xmlAddRef(xmlValidCtxtPtr ctxt, xmlDocPtr doc, const xmlChar *value, |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 1977 | xmlAttrPtr attr) { |
| 1978 | xmlRefPtr ret; |
| 1979 | xmlRefTablePtr table; |
| 1980 | |
| 1981 | if (doc == NULL) { |
| 1982 | fprintf(stderr, "xmlAddRefDecl: doc == NULL\n"); |
| 1983 | return(NULL); |
| 1984 | } |
| 1985 | if (value == NULL) { |
| 1986 | fprintf(stderr, "xmlAddRefDecl: value == NULL\n"); |
| 1987 | return(NULL); |
| 1988 | } |
| 1989 | if (attr == NULL) { |
| 1990 | fprintf(stderr, "xmlAddRefDecl: attr == NULL\n"); |
| 1991 | return(NULL); |
| 1992 | } |
| 1993 | |
| 1994 | /* |
| 1995 | * Create the Ref table if needed. |
| 1996 | */ |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 1997 | table = (xmlRefTablePtr) doc->refs; |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 1998 | if (table == NULL) |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 1999 | doc->refs = table = xmlCreateRefTable(); |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 2000 | if (table == NULL) { |
| 2001 | fprintf(stderr, "xmlAddRef: Table creation failed!\n"); |
| 2002 | return(NULL); |
| 2003 | } |
| 2004 | |
| 2005 | /* |
| 2006 | * Grow the table, if needed. |
| 2007 | */ |
| 2008 | if (table->nb_refs >= table->max_refs) { |
| 2009 | /* |
| 2010 | * need more refs. |
| 2011 | */ |
| 2012 | table->max_refs *= 2; |
| 2013 | table->table = (xmlRefPtr *) |
| 2014 | xmlRealloc(table->table, table->max_refs * |
| 2015 | sizeof(xmlRefPtr)); |
| 2016 | if (table->table == NULL) { |
| 2017 | fprintf(stderr, "xmlAddRef: out of memory\n"); |
| 2018 | return(NULL); |
| 2019 | } |
| 2020 | } |
| 2021 | ret = (xmlRefPtr) xmlMalloc(sizeof(xmlRef)); |
| 2022 | if (ret == NULL) { |
| 2023 | fprintf(stderr, "xmlAddRef: out of memory\n"); |
| 2024 | return(NULL); |
| 2025 | } |
| 2026 | table->table[table->nb_refs] = ret; |
| 2027 | |
| 2028 | /* |
| 2029 | * fill the structure. |
| 2030 | */ |
| 2031 | ret->value = xmlStrdup(value); |
| 2032 | ret->attr = attr; |
| 2033 | table->nb_refs++; |
| 2034 | |
| 2035 | return(ret); |
| 2036 | } |
| 2037 | |
| 2038 | /** |
| 2039 | * xmlFreeRef: |
| 2040 | * @not: A ref |
| 2041 | * |
| 2042 | * Deallocate the memory used by an ref definition |
| 2043 | */ |
| 2044 | void |
| 2045 | xmlFreeRef(xmlRefPtr ref) { |
| 2046 | if (ref == NULL) return; |
| 2047 | if (ref->value != NULL) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2048 | xmlFree((xmlChar *) ref->value); |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 2049 | memset(ref, -1, sizeof(xmlRef)); |
| 2050 | xmlFree(ref); |
| 2051 | } |
| 2052 | |
| 2053 | /** |
| 2054 | * xmlFreeRefTable: |
| 2055 | * @table: An ref table |
| 2056 | * |
| 2057 | * Deallocate the memory used by an Ref hash table. |
| 2058 | */ |
| 2059 | void |
| 2060 | xmlFreeRefTable(xmlRefTablePtr table) { |
| 2061 | int i; |
| 2062 | |
| 2063 | if (table == NULL) return; |
| 2064 | |
| 2065 | for (i = 0;i < table->nb_refs;i++) { |
| 2066 | xmlFreeRef(table->table[i]); |
| 2067 | } |
| 2068 | xmlFree(table->table); |
| 2069 | xmlFree(table); |
| 2070 | } |
| 2071 | |
| 2072 | /** |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 2073 | * xmlIsRef: |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 2074 | * @doc: the document |
| 2075 | * @elem: the element carrying the attribute |
| 2076 | * @attr: the attribute |
| 2077 | * |
| 2078 | * Determine whether an attribute is of type Ref. In case we have Dtd(s) |
| 2079 | * then this is simple, otherwise we use an heuristic: name Ref (upper |
| 2080 | * or lowercase). |
| 2081 | * |
| 2082 | * Returns 0 or 1 depending on the lookup result |
| 2083 | */ |
| 2084 | int |
| 2085 | xmlIsRef(xmlDocPtr doc, xmlNodePtr elem, xmlAttrPtr attr) { |
| 2086 | if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) { |
| 2087 | return(0); |
| 2088 | /******************* |
| 2089 | if (((attr->name[0] == 'I') || (attr->name[0] == 'i')) && |
| 2090 | ((attr->name[1] == 'D') || (attr->name[1] == 'd')) && |
| 2091 | (attr->name[2] == 0)) return(1); |
| 2092 | *******************/ |
Daniel Veillard | d83eb82 | 2000-06-30 18:39:56 +0000 | [diff] [blame] | 2093 | } else if (doc->type == XML_HTML_DOCUMENT_NODE) { |
| 2094 | /* TODO @@@ */ |
| 2095 | return(0); |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 2096 | } else { |
| 2097 | xmlAttributePtr attrDecl; |
| 2098 | |
| 2099 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, attr->name); |
| 2100 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 2101 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, |
| 2102 | attr->name); |
| 2103 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2104 | if ((attrDecl != NULL) && (attrDecl->atype == XML_ATTRIBUTE_IDREF)) |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 2105 | return(1); |
| 2106 | } |
| 2107 | return(0); |
| 2108 | } |
| 2109 | |
| 2110 | /** |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 2111 | * xmlRemoveRef |
| 2112 | * @doc: the document |
| 2113 | * @attr: the attribute |
| 2114 | * |
| 2115 | * Remove the given attribute from the Ref table maintained internally. |
| 2116 | * |
| 2117 | * Returns -1 if the lookup failed and 0 otherwise |
| 2118 | */ |
| 2119 | int |
| 2120 | xmlRemoveRef(xmlDocPtr doc, xmlAttrPtr attr) { |
| 2121 | xmlRefPtr cur; |
| 2122 | xmlRefTablePtr table; |
| 2123 | int i; |
| 2124 | |
| 2125 | if (doc == NULL) return(-1); |
| 2126 | if (attr == NULL) return(-1); |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 2127 | table = (xmlRefTablePtr) doc->refs; |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 2128 | if (table == NULL) |
| 2129 | return(-1); |
| 2130 | |
| 2131 | /* |
| 2132 | * Search the Ref list. |
| 2133 | */ |
| 2134 | for (i = 0;i < table->nb_refs;i++) { |
| 2135 | cur = table->table[i]; |
| 2136 | if (cur->attr == attr) { |
| 2137 | table->nb_refs--; |
| 2138 | memmove(&table->table[i], &table->table[i+1], |
| 2139 | (table->nb_refs - i) * sizeof(xmlRefPtr)); |
| 2140 | return(0); |
| 2141 | } |
| 2142 | } |
| 2143 | return(-1); |
| 2144 | } |
| 2145 | |
| 2146 | /** |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 2147 | * xmlGetRef: |
| 2148 | * @doc: pointer to the document |
| 2149 | * @Ref: the Ref value |
| 2150 | * |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 2151 | * Search the next attribute declaring the given Ref |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 2152 | * |
| 2153 | * Returns NULL if not found, otherwise the xmlAttrPtr defining the Ref |
| 2154 | */ |
| 2155 | xmlAttrPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2156 | xmlGetRef(xmlDocPtr doc, const xmlChar *Ref) { |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 2157 | xmlRefPtr cur; |
| 2158 | xmlRefTablePtr table; |
| 2159 | int i; |
| 2160 | |
| 2161 | if (doc == NULL) { |
| 2162 | fprintf(stderr, "xmlGetRef: doc == NULL\n"); |
| 2163 | return(NULL); |
| 2164 | } |
| 2165 | |
| 2166 | if (Ref == NULL) { |
| 2167 | fprintf(stderr, "xmlGetRef: Ref == NULL\n"); |
| 2168 | return(NULL); |
| 2169 | } |
| 2170 | |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 2171 | table = (xmlRefTablePtr) doc->refs; |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 2172 | if (table == NULL) |
| 2173 | return(NULL); |
| 2174 | |
| 2175 | /* |
| 2176 | * Search the Ref list. |
| 2177 | */ |
| 2178 | for (i = 0;i < table->nb_refs;i++) { |
| 2179 | cur = table->table[i]; |
| 2180 | if (!xmlStrcmp(cur->value, Ref)) { |
| 2181 | return(cur->attr); |
| 2182 | } |
| 2183 | } |
| 2184 | return(NULL); |
| 2185 | } |
| 2186 | |
| 2187 | /************************************************************************ |
| 2188 | * * |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2189 | * Routines for validity checking * |
| 2190 | * * |
| 2191 | ************************************************************************/ |
| 2192 | |
| 2193 | /** |
| 2194 | * xmlGetDtdElementDesc: |
| 2195 | * @dtd: a pointer to the DtD to search |
| 2196 | * @name: the element name |
| 2197 | * |
| 2198 | * Search the Dtd for the description of this element |
| 2199 | * |
| 2200 | * returns the xmlElementPtr if found or NULL |
| 2201 | */ |
| 2202 | |
| 2203 | xmlElementPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2204 | xmlGetDtdElementDesc(xmlDtdPtr dtd, const xmlChar *name) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2205 | xmlElementTablePtr table; |
| 2206 | xmlElementPtr cur; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2207 | xmlChar *uqname = NULL, *prefix = NULL; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2208 | int i; |
| 2209 | |
| 2210 | if (dtd == NULL) return(NULL); |
| 2211 | if (dtd->elements == NULL) return(NULL); |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 2212 | table = (xmlElementTablePtr) dtd->elements; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2213 | |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 2214 | if ((table->last >= 0) && (table->last < table->nb_elements)) { |
| 2215 | cur = table->table[table->last]; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2216 | if (!xmlStrcmp(cur->name, name)) |
| 2217 | return(cur); |
| 2218 | } |
Daniel Veillard | f0cc7cc | 2000-08-26 21:40:43 +0000 | [diff] [blame] | 2219 | for (i = 0;i < table->nb_elements;i++) { |
| 2220 | cur = table->table[i]; |
| 2221 | if (!xmlStrcmp(cur->name, name)) { |
| 2222 | table->last = i; |
| 2223 | return(cur); |
| 2224 | } |
| 2225 | } |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2226 | |
| 2227 | /* |
| 2228 | * Specific case if name is a QName. |
| 2229 | */ |
| 2230 | uqname = xmlSplitQName2(name, &prefix); |
| 2231 | if (uqname == NULL) return(NULL); |
| 2232 | |
| 2233 | for (i = 0;i < table->nb_elements;i++) { |
| 2234 | cur = table->table[i]; |
| 2235 | if ((!xmlStrcmp(cur->name, uqname)) && |
| 2236 | ((prefix == cur->prefix) || |
| 2237 | ((prefix != NULL) && (cur->prefix != NULL) && |
| 2238 | (!xmlStrcmp(cur->prefix, prefix))))) { |
| 2239 | if (prefix != NULL) xmlFree(prefix); |
| 2240 | if (uqname != NULL) xmlFree(uqname); |
| 2241 | return(cur); |
| 2242 | } |
| 2243 | } |
| 2244 | if (prefix != NULL) xmlFree(prefix); |
| 2245 | if (uqname != NULL) xmlFree(uqname); |
| 2246 | return(NULL); |
| 2247 | } |
| 2248 | |
| 2249 | /** |
| 2250 | * xmlGetDtdQElementDesc: |
| 2251 | * @dtd: a pointer to the DtD to search |
| 2252 | * @name: the element name |
| 2253 | * @prefix: the element namespace prefix |
| 2254 | * |
| 2255 | * Search the Dtd for the description of this element |
| 2256 | * |
| 2257 | * returns the xmlElementPtr if found or NULL |
| 2258 | */ |
| 2259 | |
| 2260 | xmlElementPtr |
| 2261 | xmlGetDtdQElementDesc(xmlDtdPtr dtd, const xmlChar *name, |
| 2262 | const xmlChar *prefix) { |
| 2263 | xmlElementTablePtr table; |
| 2264 | xmlElementPtr cur; |
| 2265 | int i; |
| 2266 | |
| 2267 | if (dtd == NULL) return(NULL); |
| 2268 | if (dtd->elements == NULL) return(NULL); |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 2269 | table = (xmlElementTablePtr) dtd->elements; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2270 | |
| 2271 | for (i = 0;i < table->nb_elements;i++) { |
| 2272 | cur = table->table[i]; |
| 2273 | if (!xmlStrcmp(cur->name, name) && |
| 2274 | ((prefix == cur->prefix) || |
| 2275 | ((prefix != NULL) && (cur->prefix != NULL) && |
| 2276 | (!xmlStrcmp(cur->prefix, prefix))))) |
| 2277 | return(cur); |
| 2278 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2279 | return(NULL); |
| 2280 | } |
| 2281 | |
| 2282 | /** |
| 2283 | * xmlGetDtdAttrDesc: |
| 2284 | * @dtd: a pointer to the DtD to search |
| 2285 | * @elem: the element name |
| 2286 | * @name: the attribute name |
| 2287 | * |
| 2288 | * Search the Dtd for the description of this attribute on |
| 2289 | * this element. |
| 2290 | * |
| 2291 | * returns the xmlAttributePtr if found or NULL |
| 2292 | */ |
| 2293 | |
| 2294 | xmlAttributePtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2295 | xmlGetDtdAttrDesc(xmlDtdPtr dtd, const xmlChar *elem, const xmlChar *name) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2296 | xmlAttributeTablePtr table; |
Daniel Veillard | b1059e2 | 2000-09-16 14:02:43 +0000 | [diff] [blame] | 2297 | xmlElementTablePtr etable; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2298 | xmlAttributePtr cur; |
Daniel Veillard | b1059e2 | 2000-09-16 14:02:43 +0000 | [diff] [blame] | 2299 | xmlElementPtr ecur; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2300 | xmlChar *uqname = NULL, *prefix = NULL; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2301 | int i; |
| 2302 | |
| 2303 | if (dtd == NULL) return(NULL); |
| 2304 | if (dtd->attributes == NULL) return(NULL); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2305 | |
Daniel Veillard | b1059e2 | 2000-09-16 14:02:43 +0000 | [diff] [blame] | 2306 | /* |
| 2307 | * Faster lookup through the element table |
| 2308 | */ |
| 2309 | etable = (xmlElementTablePtr) dtd->elements; |
| 2310 | if (etable != NULL) { |
| 2311 | for (i = 0;i < etable->nb_elements;i++) { |
| 2312 | ecur = etable->table[i]; |
| 2313 | if (!xmlStrcmp(ecur->name, elem)) { |
| 2314 | cur = ecur->attributes; |
| 2315 | while (cur != NULL) { |
| 2316 | if (!xmlStrcmp(cur->name, name)) |
| 2317 | return(cur); |
| 2318 | cur = cur->nexth; |
| 2319 | } |
| 2320 | /* TODO: same accelerator for QNames !!! */ |
| 2321 | break; |
| 2322 | } |
| 2323 | } |
| 2324 | } |
| 2325 | /* |
| 2326 | * Miss on the element table, retry on the attribute one |
| 2327 | */ |
| 2328 | |
| 2329 | table = (xmlAttributeTablePtr) dtd->attributes; |
| 2330 | if (table == NULL) |
| 2331 | return(NULL); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2332 | for (i = 0;i < table->nb_attributes;i++) { |
| 2333 | cur = table->table[i]; |
| 2334 | if ((!xmlStrcmp(cur->name, name)) && |
| 2335 | (!xmlStrcmp(cur->elem, elem))) |
| 2336 | return(cur); |
| 2337 | } |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2338 | |
| 2339 | /* |
| 2340 | * Specific case if name is a QName. |
| 2341 | */ |
| 2342 | uqname = xmlSplitQName2(name, &prefix); |
| 2343 | if (uqname == NULL) return(NULL); |
| 2344 | |
| 2345 | for (i = 0;i < table->nb_attributes;i++) { |
| 2346 | cur = table->table[i]; |
| 2347 | if ((!xmlStrcmp(cur->name, uqname)) && |
| 2348 | (!xmlStrcmp(cur->elem, elem)) && |
| 2349 | ((prefix == cur->prefix) || |
| 2350 | ((prefix != NULL) && (cur->prefix != NULL) && |
| 2351 | (!xmlStrcmp(cur->prefix, prefix))))) { |
| 2352 | if (prefix != NULL) xmlFree(prefix); |
| 2353 | if (uqname != NULL) xmlFree(uqname); |
| 2354 | return(cur); |
| 2355 | } |
| 2356 | } |
| 2357 | if (prefix != NULL) xmlFree(prefix); |
| 2358 | if (uqname != NULL) xmlFree(uqname); |
| 2359 | return(NULL); |
| 2360 | } |
| 2361 | |
| 2362 | /** |
| 2363 | * xmlGetDtdQAttrDesc: |
| 2364 | * @dtd: a pointer to the DtD to search |
| 2365 | * @elem: the element name |
| 2366 | * @name: the attribute name |
| 2367 | * @prefix: the attribute namespace prefix |
| 2368 | * |
| 2369 | * Search the Dtd for the description of this qualified attribute on |
| 2370 | * this element. |
| 2371 | * |
| 2372 | * returns the xmlAttributePtr if found or NULL |
| 2373 | */ |
| 2374 | |
| 2375 | xmlAttributePtr |
| 2376 | xmlGetDtdQAttrDesc(xmlDtdPtr dtd, const xmlChar *elem, const xmlChar *name, |
| 2377 | const xmlChar *prefix) { |
| 2378 | xmlAttributeTablePtr table; |
| 2379 | xmlAttributePtr cur; |
| 2380 | int i; |
| 2381 | |
| 2382 | if (dtd == NULL) return(NULL); |
| 2383 | if (dtd->attributes == NULL) return(NULL); |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 2384 | table = (xmlAttributeTablePtr) dtd->attributes; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2385 | |
| 2386 | for (i = 0;i < table->nb_attributes;i++) { |
| 2387 | cur = table->table[i]; |
| 2388 | if ((!xmlStrcmp(cur->name, name)) && |
| 2389 | (!xmlStrcmp(cur->elem, elem)) && |
| 2390 | ((prefix == cur->prefix) || |
| 2391 | ((prefix != NULL) && (cur->prefix != NULL) && |
| 2392 | (!xmlStrcmp(cur->prefix, prefix))))) |
| 2393 | return(cur); |
| 2394 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2395 | return(NULL); |
| 2396 | } |
| 2397 | |
| 2398 | /** |
| 2399 | * xmlGetDtdNotationDesc: |
| 2400 | * @dtd: a pointer to the DtD to search |
| 2401 | * @name: the notation name |
| 2402 | * |
| 2403 | * Search the Dtd for the description of this notation |
| 2404 | * |
| 2405 | * returns the xmlNotationPtr if found or NULL |
| 2406 | */ |
| 2407 | |
| 2408 | xmlNotationPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2409 | xmlGetDtdNotationDesc(xmlDtdPtr dtd, const xmlChar *name) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2410 | xmlNotationTablePtr table; |
| 2411 | xmlNotationPtr cur; |
| 2412 | int i; |
| 2413 | |
| 2414 | if (dtd == NULL) return(NULL); |
| 2415 | if (dtd->notations == NULL) return(NULL); |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 2416 | table = (xmlNotationTablePtr) dtd->notations; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2417 | |
| 2418 | for (i = 0;i < table->nb_notations;i++) { |
| 2419 | cur = table->table[i]; |
| 2420 | if (!xmlStrcmp(cur->name, name)) |
| 2421 | return(cur); |
| 2422 | } |
| 2423 | return(NULL); |
| 2424 | } |
| 2425 | |
| 2426 | /** |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2427 | * xmlValidateNotationUse: |
| 2428 | * @ctxt: the validation context |
| 2429 | * @doc: the document |
| 2430 | * @notationName: the notation name to check |
| 2431 | * |
| 2432 | * Validate that the given mame match a notation declaration. |
| 2433 | * - [ VC: Notation Declared ] |
| 2434 | * |
| 2435 | * returns 1 if valid or 0 otherwise |
| 2436 | */ |
| 2437 | |
| 2438 | int |
| 2439 | xmlValidateNotationUse(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2440 | const xmlChar *notationName) { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2441 | xmlNotationPtr notaDecl; |
| 2442 | if ((doc == NULL) || (doc->intSubset == NULL)) return(-1); |
| 2443 | |
| 2444 | notaDecl = xmlGetDtdNotationDesc(doc->intSubset, notationName); |
| 2445 | if ((notaDecl == NULL) && (doc->extSubset != NULL)) |
| 2446 | notaDecl = xmlGetDtdNotationDesc(doc->extSubset, notationName); |
| 2447 | |
| 2448 | if (notaDecl == NULL) { |
| 2449 | VERROR(ctxt->userData, "NOTATION %s is not declared\n", |
| 2450 | notationName); |
| 2451 | return(0); |
| 2452 | } |
| 2453 | return(1); |
| 2454 | } |
| 2455 | |
| 2456 | /** |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2457 | * xmlIsMixedElement |
| 2458 | * @doc: the document |
| 2459 | * @name: the element name |
| 2460 | * |
| 2461 | * Search in the DtDs whether an element accept Mixed content (or ANY) |
| 2462 | * basically if it is supposed to accept text childs |
| 2463 | * |
| 2464 | * returns 0 if no, 1 if yes, and -1 if no element description is available |
| 2465 | */ |
| 2466 | |
| 2467 | int |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2468 | xmlIsMixedElement(xmlDocPtr doc, const xmlChar *name) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2469 | xmlElementPtr elemDecl; |
| 2470 | |
| 2471 | if ((doc == NULL) || (doc->intSubset == NULL)) return(-1); |
| 2472 | |
| 2473 | elemDecl = xmlGetDtdElementDesc(doc->intSubset, name); |
| 2474 | if ((elemDecl == NULL) && (doc->extSubset != NULL)) |
| 2475 | elemDecl = xmlGetDtdElementDesc(doc->extSubset, name); |
| 2476 | if (elemDecl == NULL) return(-1); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2477 | switch (elemDecl->etype) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2478 | case XML_ELEMENT_TYPE_ELEMENT: |
| 2479 | return(0); |
| 2480 | case XML_ELEMENT_TYPE_EMPTY: |
| 2481 | /* |
| 2482 | * return 1 for EMPTY since we want VC error to pop up |
| 2483 | * on <empty> </empty> for example |
| 2484 | */ |
| 2485 | case XML_ELEMENT_TYPE_ANY: |
| 2486 | case XML_ELEMENT_TYPE_MIXED: |
| 2487 | return(1); |
| 2488 | } |
| 2489 | return(1); |
| 2490 | } |
| 2491 | |
| 2492 | /** |
| 2493 | * xmlValidateNameValue: |
| 2494 | * @value: an Name value |
| 2495 | * |
| 2496 | * Validate that the given value match Name production |
| 2497 | * |
| 2498 | * returns 1 if valid or 0 otherwise |
| 2499 | */ |
| 2500 | |
| 2501 | int |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2502 | xmlValidateNameValue(const xmlChar *value) { |
| 2503 | const xmlChar *cur; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2504 | |
| 2505 | if (value == NULL) return(0); |
| 2506 | cur = value; |
| 2507 | |
| 2508 | if (!IS_LETTER(*cur) && (*cur != '_') && |
| 2509 | (*cur != ':')) { |
| 2510 | return(0); |
| 2511 | } |
| 2512 | |
| 2513 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 2514 | (*cur == '.') || (*cur == '-') || |
| 2515 | (*cur == '_') || (*cur == ':') || |
| 2516 | (IS_COMBINING(*cur)) || |
| 2517 | (IS_EXTENDER(*cur))) |
| 2518 | cur++; |
| 2519 | |
| 2520 | if (*cur != 0) return(0); |
| 2521 | |
| 2522 | return(1); |
| 2523 | } |
| 2524 | |
| 2525 | /** |
| 2526 | * xmlValidateNamesValue: |
| 2527 | * @value: an Names value |
| 2528 | * |
| 2529 | * Validate that the given value match Names production |
| 2530 | * |
| 2531 | * returns 1 if valid or 0 otherwise |
| 2532 | */ |
| 2533 | |
| 2534 | int |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2535 | xmlValidateNamesValue(const xmlChar *value) { |
| 2536 | const xmlChar *cur; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2537 | |
| 2538 | if (value == NULL) return(0); |
| 2539 | cur = value; |
| 2540 | |
| 2541 | if (!IS_LETTER(*cur) && (*cur != '_') && |
| 2542 | (*cur != ':')) { |
| 2543 | return(0); |
| 2544 | } |
| 2545 | |
| 2546 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 2547 | (*cur == '.') || (*cur == '-') || |
| 2548 | (*cur == '_') || (*cur == ':') || |
| 2549 | (IS_COMBINING(*cur)) || |
| 2550 | (IS_EXTENDER(*cur))) |
| 2551 | cur++; |
| 2552 | |
| 2553 | while (IS_BLANK(*cur)) { |
| 2554 | while (IS_BLANK(*cur)) cur++; |
| 2555 | |
| 2556 | if (!IS_LETTER(*cur) && (*cur != '_') && |
| 2557 | (*cur != ':')) { |
| 2558 | return(0); |
| 2559 | } |
| 2560 | |
| 2561 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 2562 | (*cur == '.') || (*cur == '-') || |
| 2563 | (*cur == '_') || (*cur == ':') || |
| 2564 | (IS_COMBINING(*cur)) || |
| 2565 | (IS_EXTENDER(*cur))) |
| 2566 | cur++; |
| 2567 | } |
| 2568 | |
| 2569 | if (*cur != 0) return(0); |
| 2570 | |
| 2571 | return(1); |
| 2572 | } |
| 2573 | |
| 2574 | /** |
| 2575 | * xmlValidateNmtokenValue: |
| 2576 | * @value: an Mntoken value |
| 2577 | * |
| 2578 | * Validate that the given value match Nmtoken production |
| 2579 | * |
| 2580 | * [ VC: Name Token ] |
| 2581 | * |
| 2582 | * returns 1 if valid or 0 otherwise |
| 2583 | */ |
| 2584 | |
| 2585 | int |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2586 | xmlValidateNmtokenValue(const xmlChar *value) { |
| 2587 | const xmlChar *cur; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2588 | |
| 2589 | if (value == NULL) return(0); |
| 2590 | cur = value; |
| 2591 | |
| 2592 | if (!IS_LETTER(*cur) && !IS_DIGIT(*cur) && |
| 2593 | (*cur != '.') && (*cur != '-') && |
| 2594 | (*cur != '_') && (*cur != ':') && |
| 2595 | (!IS_COMBINING(*cur)) && |
| 2596 | (!IS_EXTENDER(*cur))) |
| 2597 | return(0); |
| 2598 | |
| 2599 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 2600 | (*cur == '.') || (*cur == '-') || |
| 2601 | (*cur == '_') || (*cur == ':') || |
| 2602 | (IS_COMBINING(*cur)) || |
| 2603 | (IS_EXTENDER(*cur))) |
| 2604 | cur++; |
| 2605 | |
| 2606 | if (*cur != 0) return(0); |
| 2607 | |
| 2608 | return(1); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2609 | } |
| 2610 | |
| 2611 | /** |
| 2612 | * xmlValidateNmtokensValue: |
| 2613 | * @value: an Mntokens value |
| 2614 | * |
| 2615 | * Validate that the given value match Nmtokens production |
| 2616 | * |
| 2617 | * [ VC: Name Token ] |
| 2618 | * |
| 2619 | * returns 1 if valid or 0 otherwise |
| 2620 | */ |
| 2621 | |
| 2622 | int |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2623 | xmlValidateNmtokensValue(const xmlChar *value) { |
| 2624 | const xmlChar *cur; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2625 | |
| 2626 | if (value == NULL) return(0); |
| 2627 | cur = value; |
| 2628 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2629 | while (IS_BLANK(*cur)) cur++; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2630 | if (!IS_LETTER(*cur) && !IS_DIGIT(*cur) && |
| 2631 | (*cur != '.') && (*cur != '-') && |
| 2632 | (*cur != '_') && (*cur != ':') && |
| 2633 | (!IS_COMBINING(*cur)) && |
| 2634 | (!IS_EXTENDER(*cur))) |
| 2635 | return(0); |
| 2636 | |
| 2637 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 2638 | (*cur == '.') || (*cur == '-') || |
| 2639 | (*cur == '_') || (*cur == ':') || |
| 2640 | (IS_COMBINING(*cur)) || |
| 2641 | (IS_EXTENDER(*cur))) |
| 2642 | cur++; |
| 2643 | |
| 2644 | while (IS_BLANK(*cur)) { |
| 2645 | while (IS_BLANK(*cur)) cur++; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2646 | if (*cur == 0) return(1); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2647 | |
| 2648 | if (!IS_LETTER(*cur) && !IS_DIGIT(*cur) && |
| 2649 | (*cur != '.') && (*cur != '-') && |
| 2650 | (*cur != '_') && (*cur != ':') && |
| 2651 | (!IS_COMBINING(*cur)) && |
| 2652 | (!IS_EXTENDER(*cur))) |
| 2653 | return(0); |
| 2654 | |
| 2655 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 2656 | (*cur == '.') || (*cur == '-') || |
| 2657 | (*cur == '_') || (*cur == ':') || |
| 2658 | (IS_COMBINING(*cur)) || |
| 2659 | (IS_EXTENDER(*cur))) |
| 2660 | cur++; |
| 2661 | } |
| 2662 | |
| 2663 | if (*cur != 0) return(0); |
| 2664 | |
| 2665 | return(1); |
| 2666 | } |
| 2667 | |
| 2668 | /** |
| 2669 | * xmlValidateNotationDecl: |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2670 | * @ctxt: the validation context |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2671 | * @doc: a document instance |
| 2672 | * @nota: a notation definition |
| 2673 | * |
| 2674 | * Try to validate a single notation definition |
| 2675 | * basically it does the following checks as described by the |
| 2676 | * XML-1.0 recommendation: |
| 2677 | * - it seems that no validity constraing exist on notation declarations |
| 2678 | * But this function get called anyway ... |
| 2679 | * |
| 2680 | * returns 1 if valid or 0 otherwise |
| 2681 | */ |
| 2682 | |
| 2683 | int |
| 2684 | xmlValidateNotationDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 2685 | xmlNotationPtr nota) { |
| 2686 | int ret = 1; |
| 2687 | |
| 2688 | return(ret); |
| 2689 | } |
| 2690 | |
| 2691 | /** |
| 2692 | * xmlValidateAttributeValue: |
| 2693 | * @type: an attribute type |
| 2694 | * @value: an attribute value |
| 2695 | * |
| 2696 | * Validate that the given attribute value match the proper production |
| 2697 | * |
| 2698 | * [ VC: ID ] |
| 2699 | * Values of type ID must match the Name production.... |
| 2700 | * |
| 2701 | * [ VC: IDREF ] |
| 2702 | * Values of type IDREF must match the Name production, and values |
| 2703 | * of type IDREFS must match Names ... |
| 2704 | * |
| 2705 | * [ VC: Entity Name ] |
| 2706 | * Values of type ENTITY must match the Name production, values |
| 2707 | * of type ENTITIES must match Names ... |
| 2708 | * |
| 2709 | * [ VC: Name Token ] |
| 2710 | * Values of type NMTOKEN must match the Nmtoken production; values |
| 2711 | * of type NMTOKENS must match Nmtokens. |
| 2712 | * |
| 2713 | * returns 1 if valid or 0 otherwise |
| 2714 | */ |
| 2715 | |
| 2716 | int |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2717 | xmlValidateAttributeValue(xmlAttributeType type, const xmlChar *value) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2718 | switch (type) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2719 | case XML_ATTRIBUTE_ENTITIES: |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2720 | case XML_ATTRIBUTE_IDREFS: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2721 | return(xmlValidateNamesValue(value)); |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2722 | case XML_ATTRIBUTE_ENTITY: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2723 | case XML_ATTRIBUTE_IDREF: |
| 2724 | case XML_ATTRIBUTE_ID: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2725 | case XML_ATTRIBUTE_NOTATION: |
| 2726 | return(xmlValidateNameValue(value)); |
| 2727 | case XML_ATTRIBUTE_NMTOKENS: |
| 2728 | case XML_ATTRIBUTE_ENUMERATION: |
| 2729 | return(xmlValidateNmtokensValue(value)); |
| 2730 | case XML_ATTRIBUTE_NMTOKEN: |
| 2731 | return(xmlValidateNmtokenValue(value)); |
| 2732 | case XML_ATTRIBUTE_CDATA: |
| 2733 | break; |
| 2734 | } |
| 2735 | return(1); |
| 2736 | } |
| 2737 | |
| 2738 | /** |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2739 | * xmlValidateAttributeValue2: |
| 2740 | * @ctxt: the validation context |
| 2741 | * @doc: the document |
| 2742 | * @name: the attribute name (used for error reporting only) |
| 2743 | * @type: the attribute type |
| 2744 | * @value: the attribute value |
| 2745 | * |
| 2746 | * Validate that the given attribute value match a given type. |
| 2747 | * This typically cannot be done before having finished parsing |
| 2748 | * the subsets. |
| 2749 | * |
| 2750 | * [ VC: IDREF ] |
| 2751 | * Values of type IDREF must match one of the declared IDs |
| 2752 | * Values of type IDREFS must match a sequence of the declared IDs |
| 2753 | * each Name must match the value of an ID attribute on some element |
| 2754 | * in the XML document; i.e. IDREF values must match the value of |
| 2755 | * some ID attribute |
| 2756 | * |
| 2757 | * [ VC: Entity Name ] |
| 2758 | * Values of type ENTITY must match one declared entity |
| 2759 | * Values of type ENTITIES must match a sequence of declared entities |
| 2760 | * |
| 2761 | * [ VC: Notation Attributes ] |
| 2762 | * all notation names in the declaration must be declared. |
| 2763 | * |
| 2764 | * returns 1 if valid or 0 otherwise |
| 2765 | */ |
| 2766 | |
| 2767 | int |
| 2768 | xmlValidateAttributeValue2(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 2769 | const xmlChar *name, xmlAttributeType type, const xmlChar *value) { |
| 2770 | int ret = 1; |
| 2771 | switch (type) { |
| 2772 | case XML_ATTRIBUTE_IDREFS: |
| 2773 | case XML_ATTRIBUTE_IDREF: |
| 2774 | case XML_ATTRIBUTE_ID: |
| 2775 | case XML_ATTRIBUTE_NMTOKENS: |
| 2776 | case XML_ATTRIBUTE_ENUMERATION: |
| 2777 | case XML_ATTRIBUTE_NMTOKEN: |
| 2778 | case XML_ATTRIBUTE_CDATA: |
| 2779 | break; |
| 2780 | case XML_ATTRIBUTE_ENTITY: { |
| 2781 | xmlEntityPtr ent; |
| 2782 | |
| 2783 | ent = xmlGetDocEntity(doc, value); |
| 2784 | if (ent == NULL) { |
| 2785 | VERROR(ctxt->userData, |
| 2786 | "ENTITY attribute %s reference an unknown entity \"%s\"\n", |
| 2787 | name, value); |
| 2788 | ret = 0; |
| 2789 | } else if (ent->etype != XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) { |
| 2790 | VERROR(ctxt->userData, |
| 2791 | "ENTITY attribute %s reference an entity \"%s\" of wrong type\n", |
| 2792 | name, value); |
| 2793 | ret = 0; |
| 2794 | } |
| 2795 | break; |
| 2796 | } |
| 2797 | case XML_ATTRIBUTE_ENTITIES: { |
| 2798 | xmlChar *dup, *nam = NULL, *cur, save; |
| 2799 | xmlEntityPtr ent; |
| 2800 | |
| 2801 | dup = xmlStrdup(value); |
| 2802 | if (dup == NULL) |
| 2803 | return(0); |
| 2804 | cur = dup; |
| 2805 | while (*cur != 0) { |
| 2806 | nam = cur; |
| 2807 | while ((*cur != 0) && (!IS_BLANK(*cur))) cur++; |
| 2808 | save = *cur; |
| 2809 | *cur = 0; |
| 2810 | ent = xmlGetDocEntity(doc, nam); |
| 2811 | if (ent == NULL) { |
| 2812 | VERROR(ctxt->userData, |
| 2813 | "ENTITIES attribute %s reference an unknown entity \"%s\"\n", |
| 2814 | name, nam); |
| 2815 | ret = 0; |
| 2816 | } else if (ent->etype != XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) { |
| 2817 | VERROR(ctxt->userData, |
| 2818 | "ENTITIES attribute %s reference an entity \"%s\" of wrong type\n", |
| 2819 | name, nam); |
| 2820 | ret = 0; |
| 2821 | } |
| 2822 | if (save == 0) |
| 2823 | break; |
| 2824 | *cur = save; |
| 2825 | while (IS_BLANK(*cur)) cur++; |
| 2826 | } |
| 2827 | xmlFree(dup); |
| 2828 | break; |
| 2829 | } |
| 2830 | case XML_ATTRIBUTE_NOTATION: { |
| 2831 | xmlNotationPtr nota; |
| 2832 | |
| 2833 | nota = xmlGetDtdNotationDesc(doc->intSubset, value); |
| 2834 | if ((nota == NULL) && (doc->extSubset != NULL)) |
| 2835 | nota = xmlGetDtdNotationDesc(doc->extSubset, value); |
| 2836 | |
| 2837 | if (nota == NULL) { |
| 2838 | VERROR(ctxt->userData, |
| 2839 | "NOTATION attribute %s reference an unknown notation \"%s\"\n", |
| 2840 | name, value); |
| 2841 | ret = 0; |
| 2842 | } |
| 2843 | break; |
| 2844 | } |
| 2845 | } |
| 2846 | return(ret); |
| 2847 | } |
| 2848 | |
| 2849 | /** |
| 2850 | * xmlValidNormalizeAttributeValue: |
| 2851 | * @doc: the document |
| 2852 | * @elem: the parent |
| 2853 | * @name: the attribute name |
| 2854 | * @value: the attribute value |
| 2855 | * |
| 2856 | * Does the validation related extra step of the normalization of attribute |
| 2857 | * values: |
| 2858 | * |
| 2859 | * If the declared value is not CDATA, then the XML processor must further |
| 2860 | * process the normalized attribute value by discarding any leading and |
| 2861 | * trailing space (#x20) characters, and by replacing sequences of space |
| 2862 | * (#x20) characters by single space (#x20) character. |
| 2863 | * |
| 2864 | * returns a new normalized string if normalization is needed, NULL otherwise |
| 2865 | * the caller must free the returned value. |
| 2866 | */ |
| 2867 | |
| 2868 | xmlChar * |
| 2869 | xmlValidNormalizeAttributeValue(xmlDocPtr doc, xmlNodePtr elem, |
| 2870 | const xmlChar *name, const xmlChar *value) { |
| 2871 | xmlChar *ret, *dst; |
| 2872 | const xmlChar *src; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2873 | xmlAttributePtr attrDecl = NULL; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2874 | |
| 2875 | if (doc == NULL) return(NULL); |
| 2876 | if (elem == NULL) return(NULL); |
| 2877 | if (name == NULL) return(NULL); |
| 2878 | if (value == NULL) return(NULL); |
| 2879 | |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2880 | if ((elem->ns != NULL) && (elem->ns->prefix != NULL)) { |
| 2881 | xmlChar qname[500]; |
| 2882 | #ifdef HAVE_SNPRINTF |
| 2883 | snprintf((char *) qname, sizeof(qname), "%s:%s", |
| 2884 | elem->ns->prefix, elem->name); |
| 2885 | #else |
Daniel Veillard | 39c7d71 | 2000-09-10 16:14:55 +0000 | [diff] [blame] | 2886 | sprintf((char *) qname, "%s:%s", elem->ns->prefix, elem->name); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2887 | #endif |
Daniel Veillard | 39c7d71 | 2000-09-10 16:14:55 +0000 | [diff] [blame] | 2888 | qname[sizeof(qname) - 1] = 0; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 2889 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, qname, name); |
| 2890 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 2891 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, qname, name); |
| 2892 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2893 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, name); |
| 2894 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 2895 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, name); |
| 2896 | |
| 2897 | if (attrDecl == NULL) |
| 2898 | return(NULL); |
| 2899 | if (attrDecl->atype == XML_ATTRIBUTE_CDATA) |
| 2900 | return(NULL); |
| 2901 | |
| 2902 | ret = xmlStrdup(value); |
| 2903 | if (ret == NULL) |
| 2904 | return(NULL); |
| 2905 | src = value; |
| 2906 | dst = ret; |
| 2907 | while (*src == 0x20) src++; |
| 2908 | while (*src != 0) { |
| 2909 | if (*src == 0x20) { |
| 2910 | while (*src == 0x20) src++; |
| 2911 | if (*src != 0) |
| 2912 | *dst++ = 0x20; |
| 2913 | } else { |
| 2914 | *dst++ = *src++; |
| 2915 | } |
| 2916 | } |
| 2917 | *dst = 0; |
| 2918 | return(ret); |
| 2919 | } |
| 2920 | |
| 2921 | /** |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2922 | * xmlValidateAttributeDecl: |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2923 | * @ctxt: the validation context |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2924 | * @doc: a document instance |
| 2925 | * @attr: an attribute definition |
| 2926 | * |
| 2927 | * Try to validate a single attribute definition |
| 2928 | * basically it does the following checks as described by the |
| 2929 | * XML-1.0 recommendation: |
| 2930 | * - [ VC: Attribute Default Legal ] |
| 2931 | * - [ VC: Enumeration ] |
| 2932 | * - [ VC: ID Attribute Default ] |
| 2933 | * |
| 2934 | * The ID/IDREF uniqueness and matching are done separately |
| 2935 | * |
| 2936 | * returns 1 if valid or 0 otherwise |
| 2937 | */ |
| 2938 | |
| 2939 | int |
| 2940 | xmlValidateAttributeDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 2941 | xmlAttributePtr attr) { |
| 2942 | int ret = 1; |
| 2943 | int val; |
| 2944 | CHECK_DTD; |
| 2945 | if(attr == NULL) return(1); |
| 2946 | |
| 2947 | /* Attribute Default Legal */ |
| 2948 | /* Enumeration */ |
| 2949 | if (attr->defaultValue != NULL) { |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2950 | val = xmlValidateAttributeValue(attr->atype, attr->defaultValue); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2951 | if (val == 0) { |
| 2952 | VERROR(ctxt->userData, |
| 2953 | "Syntax of default value for attribute %s on %s is not valid\n", |
| 2954 | attr->name, attr->elem); |
| 2955 | } |
| 2956 | ret &= val; |
| 2957 | } |
| 2958 | |
| 2959 | /* ID Attribute Default */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2960 | if ((attr->atype == XML_ATTRIBUTE_ID)&& |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2961 | (attr->def != XML_ATTRIBUTE_IMPLIED) && |
| 2962 | (attr->def != XML_ATTRIBUTE_REQUIRED)) { |
| 2963 | VERROR(ctxt->userData, |
| 2964 | "ID attribute %s on %s is not valid must be #IMPLIED or #REQUIRED\n", |
| 2965 | attr->name, attr->elem); |
| 2966 | ret = 0; |
| 2967 | } |
| 2968 | |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2969 | /* One ID per Element Type */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2970 | if (attr->atype == XML_ATTRIBUTE_ID) { |
| 2971 | int nbId; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2972 | |
| 2973 | /* the trick is taht we parse DtD as their own internal subset */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2974 | xmlElementPtr elem = xmlGetDtdElementDesc(doc->intSubset, |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2975 | attr->elem); |
| 2976 | if (elem != NULL) { |
| 2977 | nbId = xmlScanIDAttributeDecl(NULL, elem); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2978 | } else { |
| 2979 | xmlAttributeTablePtr table; |
| 2980 | int i; |
| 2981 | |
| 2982 | /* |
| 2983 | * The attribute may be declared in the internal subset and the |
| 2984 | * element in the external subset. |
| 2985 | */ |
| 2986 | nbId = 0; |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 2987 | table = (xmlAttributeTablePtr) doc->intSubset->attributes; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2988 | if (table != NULL) { |
| 2989 | for (i = 0;i < table->nb_attributes;i++) { |
| 2990 | if ((table->table[i]->atype == XML_ATTRIBUTE_ID) && |
| 2991 | (!xmlStrcmp(table->table[i]->elem, attr->elem))) { |
| 2992 | nbId++; |
| 2993 | } |
| 2994 | } |
| 2995 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2996 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2997 | if (nbId > 1) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 2998 | VERROR(ctxt->userData, |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 2999 | "Element %s has %d ID attribute defined in the internal subset : %s\n", |
| 3000 | attr->elem, nbId, attr->name); |
| 3001 | } else if (doc->extSubset != NULL) { |
| 3002 | int extId = 0; |
| 3003 | elem = xmlGetDtdElementDesc(doc->extSubset, attr->elem); |
| 3004 | if (elem != NULL) { |
| 3005 | extId = xmlScanIDAttributeDecl(NULL, elem); |
| 3006 | } |
| 3007 | if (extId > 1) { |
| 3008 | VERROR(ctxt->userData, |
| 3009 | "Element %s has %d ID attribute defined in the external subset : %s\n", |
| 3010 | attr->elem, extId, attr->name); |
| 3011 | } else if (extId + nbId > 1) { |
| 3012 | VERROR(ctxt->userData, |
| 3013 | "Element %s has ID attributes defined in the internal and external subset : %s\n", |
| 3014 | attr->elem, attr->name); |
| 3015 | } |
| 3016 | } |
| 3017 | } |
| 3018 | |
| 3019 | /* Validity Constraint: Enumeration */ |
| 3020 | if ((attr->defaultValue != NULL) && (attr->tree != NULL)) { |
| 3021 | xmlEnumerationPtr tree = attr->tree; |
| 3022 | while (tree != NULL) { |
| 3023 | if (!xmlStrcmp(tree->name, attr->defaultValue)) break; |
| 3024 | tree = tree->next; |
| 3025 | } |
| 3026 | if (tree == NULL) { |
| 3027 | VERROR(ctxt->userData, |
| 3028 | "Default value \"%s\" for attribute %s on %s is not among the enumerated set\n", |
| 3029 | attr->defaultValue, attr->name, attr->elem); |
| 3030 | ret = 0; |
| 3031 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3032 | } |
| 3033 | |
| 3034 | return(ret); |
| 3035 | } |
| 3036 | |
| 3037 | /** |
| 3038 | * xmlValidateElementDecl: |
| 3039 | * @ctxt: the validation context |
| 3040 | * @doc: a document instance |
| 3041 | * @elem: an element definition |
| 3042 | * |
| 3043 | * Try to validate a single element definition |
| 3044 | * basically it does the following checks as described by the |
| 3045 | * XML-1.0 recommendation: |
| 3046 | * - [ VC: One ID per Element Type ] |
| 3047 | * - [ VC: No Duplicate Types ] |
| 3048 | * - [ VC: Unique Element Type Declaration ] |
| 3049 | * |
| 3050 | * returns 1 if valid or 0 otherwise |
| 3051 | */ |
| 3052 | |
| 3053 | int |
| 3054 | xmlValidateElementDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 3055 | xmlElementPtr elem) { |
| 3056 | int ret = 1; |
| 3057 | xmlElementPtr tst; |
| 3058 | |
| 3059 | CHECK_DTD; |
| 3060 | |
| 3061 | if (elem == NULL) return(1); |
| 3062 | |
| 3063 | /* No Duplicate Types */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3064 | if (elem->etype == XML_ELEMENT_TYPE_MIXED) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3065 | xmlElementContentPtr cur, next; |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 3066 | const xmlChar *name; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3067 | |
| 3068 | cur = elem->content; |
| 3069 | while (cur != NULL) { |
| 3070 | if (cur->type != XML_ELEMENT_CONTENT_OR) break; |
| 3071 | if (cur->c1 == NULL) break; |
| 3072 | if (cur->c1->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 3073 | name = cur->c1->name; |
| 3074 | next = cur->c2; |
| 3075 | while (next != NULL) { |
| 3076 | if (next->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 3077 | if (!xmlStrcmp(next->name, name)) { |
| 3078 | VERROR(ctxt->userData, |
| 3079 | "Definition of %s has duplicate references of %s\n", |
| 3080 | elem->name, name); |
| 3081 | ret = 0; |
| 3082 | } |
| 3083 | break; |
| 3084 | } |
| 3085 | if (next->c1 == NULL) break; |
| 3086 | if (next->c1->type != XML_ELEMENT_CONTENT_ELEMENT) break; |
| 3087 | if (!xmlStrcmp(next->c1->name, name)) { |
| 3088 | VERROR(ctxt->userData, |
| 3089 | "Definition of %s has duplicate references of %s\n", |
| 3090 | elem->name, name); |
| 3091 | ret = 0; |
| 3092 | } |
| 3093 | next = next->c2; |
| 3094 | } |
| 3095 | } |
| 3096 | cur = cur->c2; |
| 3097 | } |
| 3098 | } |
| 3099 | |
| 3100 | /* VC: Unique Element Type Declaration */ |
| 3101 | tst = xmlGetDtdElementDesc(doc->intSubset, elem->name); |
| 3102 | if ((tst != NULL ) && (tst != elem)) { |
| 3103 | VERROR(ctxt->userData, "Redefinition of element %s\n", |
| 3104 | elem->name); |
| 3105 | ret = 0; |
| 3106 | } |
| 3107 | tst = xmlGetDtdElementDesc(doc->extSubset, elem->name); |
| 3108 | if ((tst != NULL ) && (tst != elem)) { |
| 3109 | VERROR(ctxt->userData, "Redefinition of element %s\n", |
| 3110 | elem->name); |
| 3111 | ret = 0; |
| 3112 | } |
| 3113 | |
| 3114 | /* One ID per Element Type */ |
| 3115 | if (xmlScanIDAttributeDecl(ctxt, elem) > 1) { |
| 3116 | ret = 0; |
| 3117 | } |
| 3118 | return(ret); |
| 3119 | } |
| 3120 | |
| 3121 | /** |
| 3122 | * xmlValidateOneAttribute: |
| 3123 | * @ctxt: the validation context |
| 3124 | * @doc: a document instance |
| 3125 | * @elem: an element instance |
| 3126 | * @attr: an attribute instance |
Daniel Veillard | 00fdf37 | 1999-10-08 09:40:39 +0000 | [diff] [blame] | 3127 | * @value: the attribute value (without entities processing) |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3128 | * |
| 3129 | * Try to validate a single attribute for an element |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3130 | * basically it does the following checks as described by the |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3131 | * XML-1.0 recommendation: |
| 3132 | * - [ VC: Attribute Value Type ] |
| 3133 | * - [ VC: Fixed Attribute Default ] |
| 3134 | * - [ VC: Entity Name ] |
| 3135 | * - [ VC: Name Token ] |
| 3136 | * - [ VC: ID ] |
| 3137 | * - [ VC: IDREF ] |
| 3138 | * - [ VC: Entity Name ] |
| 3139 | * - [ VC: Notation Attributes ] |
| 3140 | * |
| 3141 | * The ID/IDREF uniqueness and matching are done separately |
| 3142 | * |
| 3143 | * returns 1 if valid or 0 otherwise |
| 3144 | */ |
| 3145 | |
| 3146 | int |
| 3147 | xmlValidateOneAttribute(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 3148 | xmlNodePtr elem, xmlAttrPtr attr, const xmlChar *value) { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 3149 | /* xmlElementPtr elemDecl; */ |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3150 | xmlAttributePtr attrDecl = NULL; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3151 | int val; |
| 3152 | int ret = 1; |
| 3153 | |
| 3154 | CHECK_DTD; |
| 3155 | if ((elem == NULL) || (elem->name == NULL)) return(0); |
| 3156 | if ((attr == NULL) || (attr->name == NULL)) return(0); |
| 3157 | |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3158 | if ((elem->ns != NULL) && (elem->ns->prefix != NULL)) { |
| 3159 | xmlChar qname[500]; |
| 3160 | #ifdef HAVE_SNPRINTF |
| 3161 | snprintf((char *) qname, sizeof(qname), "%s:%s", |
| 3162 | elem->ns->prefix, elem->name); |
| 3163 | #else |
Daniel Veillard | 39c7d71 | 2000-09-10 16:14:55 +0000 | [diff] [blame] | 3164 | sprintf((char *) qname, "%s:%s", elem->ns->prefix, elem->name); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3165 | #endif |
Daniel Veillard | 39c7d71 | 2000-09-10 16:14:55 +0000 | [diff] [blame] | 3166 | qname[sizeof(qname) - 1] = 0; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3167 | if (attr->ns != NULL) { |
| 3168 | attrDecl = xmlGetDtdQAttrDesc(doc->intSubset, qname, |
| 3169 | attr->name, attr->ns->prefix); |
| 3170 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 3171 | attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, qname, |
| 3172 | attr->name, attr->ns->prefix); |
| 3173 | } else { |
| 3174 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, qname, attr->name); |
| 3175 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 3176 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, |
| 3177 | qname, attr->name); |
| 3178 | } |
| 3179 | } |
| 3180 | if (attrDecl == NULL) { |
| 3181 | if (attr->ns != NULL) { |
| 3182 | attrDecl = xmlGetDtdQAttrDesc(doc->intSubset, elem->name, |
| 3183 | attr->name, attr->ns->prefix); |
| 3184 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 3185 | attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, elem->name, |
| 3186 | attr->name, attr->ns->prefix); |
| 3187 | } else { |
| 3188 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, |
| 3189 | elem->name, attr->name); |
| 3190 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 3191 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, |
| 3192 | elem->name, attr->name); |
| 3193 | } |
| 3194 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3195 | |
| 3196 | |
| 3197 | /* Validity Constraint: Attribute Value Type */ |
| 3198 | if (attrDecl == NULL) { |
| 3199 | VERROR(ctxt->userData, |
| 3200 | "No declaration for attribute %s on element %s\n", |
| 3201 | attr->name, elem->name); |
| 3202 | return(0); |
| 3203 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3204 | attr->atype = attrDecl->atype; |
| 3205 | |
| 3206 | val = xmlValidateAttributeValue(attrDecl->atype, value); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3207 | if (val == 0) { |
| 3208 | VERROR(ctxt->userData, |
| 3209 | "Syntax of value for attribute %s on %s is not valid\n", |
| 3210 | attr->name, elem->name); |
| 3211 | ret = 0; |
| 3212 | } |
| 3213 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3214 | /* Validity constraint: Fixed Attribute Default */ |
| 3215 | if (attrDecl->def == XML_ATTRIBUTE_FIXED) { |
| 3216 | if (xmlStrcmp(value, attrDecl->defaultValue)) { |
| 3217 | VERROR(ctxt->userData, |
| 3218 | "Value for attribute %s on %s is differnt from default \"%s\"\n", |
| 3219 | attr->name, elem->name, attrDecl->defaultValue); |
| 3220 | ret = 0; |
| 3221 | } |
| 3222 | } |
| 3223 | |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 3224 | /* Validity Constraint: ID uniqueness */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3225 | if (attrDecl->atype == XML_ATTRIBUTE_ID) { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 3226 | xmlAddID(ctxt, doc, value, attr); |
| 3227 | } |
| 3228 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3229 | if ((attrDecl->atype == XML_ATTRIBUTE_IDREF) || |
| 3230 | (attrDecl->atype == XML_ATTRIBUTE_IDREFS)) { |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 3231 | xmlAddRef(ctxt, doc, value, attr); |
| 3232 | } |
| 3233 | |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3234 | /* Validity Constraint: Notation Attributes */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3235 | if (attrDecl->atype == XML_ATTRIBUTE_NOTATION) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3236 | xmlEnumerationPtr tree = attrDecl->tree; |
| 3237 | xmlNotationPtr nota; |
| 3238 | |
| 3239 | /* First check that the given NOTATION was declared */ |
| 3240 | nota = xmlGetDtdNotationDesc(doc->intSubset, value); |
| 3241 | if (nota == NULL) |
| 3242 | nota = xmlGetDtdNotationDesc(doc->extSubset, value); |
| 3243 | |
| 3244 | if (nota == NULL) { |
| 3245 | VERROR(ctxt->userData, |
| 3246 | "Value \"%s\" for attribute %s on %s is not a declared Notation\n", |
| 3247 | value, attr->name, elem->name); |
| 3248 | ret = 0; |
| 3249 | } |
| 3250 | |
| 3251 | /* Second, verify that it's among the list */ |
| 3252 | while (tree != NULL) { |
| 3253 | if (!xmlStrcmp(tree->name, value)) break; |
| 3254 | tree = tree->next; |
| 3255 | } |
| 3256 | if (tree == NULL) { |
| 3257 | VERROR(ctxt->userData, |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3258 | "Value \"%s\" for attribute %s on %s is not among the enumerated notations\n", |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3259 | value, attr->name, elem->name); |
| 3260 | ret = 0; |
| 3261 | } |
| 3262 | } |
| 3263 | |
| 3264 | /* Validity Constraint: Enumeration */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3265 | if (attrDecl->atype == XML_ATTRIBUTE_ENUMERATION) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3266 | xmlEnumerationPtr tree = attrDecl->tree; |
| 3267 | while (tree != NULL) { |
| 3268 | if (!xmlStrcmp(tree->name, value)) break; |
| 3269 | tree = tree->next; |
| 3270 | } |
| 3271 | if (tree == NULL) { |
| 3272 | VERROR(ctxt->userData, |
Daniel Veillard | 3a2ebdd | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 3273 | "Value \"%s\" for attribute %s on %s is not among the enumerated set\n", |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3274 | value, attr->name, elem->name); |
| 3275 | ret = 0; |
| 3276 | } |
| 3277 | } |
| 3278 | |
| 3279 | /* Fixed Attribute Default */ |
| 3280 | if ((attrDecl->def == XML_ATTRIBUTE_FIXED) && |
| 3281 | (xmlStrcmp(attrDecl->defaultValue, value))) { |
| 3282 | VERROR(ctxt->userData, |
| 3283 | "Value for attribute %s on %s must be \"%s\"\n", |
| 3284 | attr->name, elem->name, attrDecl->defaultValue); |
| 3285 | ret = 0; |
| 3286 | } |
| 3287 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3288 | /* Extra check for the attribute value */ |
| 3289 | ret &= xmlValidateAttributeValue2(ctxt, doc, attr->name, |
| 3290 | attrDecl->atype, value); |
| 3291 | |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3292 | return(ret); |
| 3293 | } |
| 3294 | |
| 3295 | int xmlValidateElementTypeElement(xmlValidCtxtPtr ctxt, xmlNodePtr *child, |
| 3296 | xmlElementContentPtr cont); |
| 3297 | |
| 3298 | /** |
| 3299 | * xmlValidateElementTypeExpr: |
| 3300 | * @ctxt: the validation context |
| 3301 | * @child: pointer to the child list |
| 3302 | * @cont: pointer to the content declaration |
| 3303 | * |
| 3304 | * Try to validate the content of an element of type element |
| 3305 | * but don't handle the occurence factor |
| 3306 | * |
| 3307 | * returns 1 if valid or 0 and -1 if PCDATA stuff is found, |
| 3308 | * also update child value in-situ. |
| 3309 | */ |
| 3310 | |
| 3311 | int |
| 3312 | xmlValidateElementTypeExpr(xmlValidCtxtPtr ctxt, xmlNodePtr *child, |
| 3313 | xmlElementContentPtr cont) { |
| 3314 | xmlNodePtr cur; |
| 3315 | int ret = 1; |
| 3316 | |
| 3317 | if (cont == NULL) return(-1); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3318 | DEBUG_VALID_STATE(*child, cont) |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3319 | while (*child != NULL) { |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3320 | if ((*child)->type == XML_ENTITY_REF_NODE) { |
| 3321 | /* |
| 3322 | * If there is an entity declared an it's not empty |
| 3323 | * Push the current node on the stack and process with the |
| 3324 | * entity content. |
| 3325 | */ |
| 3326 | if (((*child)->children != NULL) && |
| 3327 | ((*child)->children->children != NULL)) { |
| 3328 | nodeVPush(ctxt, *child); |
| 3329 | *child = (*child)->children->children; |
| 3330 | } else |
| 3331 | *child = (*child)->next; |
| 3332 | continue; |
| 3333 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3334 | if ((*child)->type == XML_PI_NODE) { |
| 3335 | *child = (*child)->next; |
| 3336 | continue; |
| 3337 | } |
| 3338 | if ((*child)->type == XML_COMMENT_NODE) { |
| 3339 | *child = (*child)->next; |
| 3340 | continue; |
| 3341 | } |
| 3342 | else if ((*child)->type != XML_ELEMENT_NODE) { |
| 3343 | return(-1); |
| 3344 | } |
| 3345 | break; |
| 3346 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3347 | DEBUG_VALID_STATE(*child, cont) |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3348 | switch (cont->type) { |
| 3349 | case XML_ELEMENT_CONTENT_PCDATA: |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 3350 | if (*child == NULL) return(0); |
| 3351 | if ((*child)->type == XML_TEXT_NODE) return(1); |
| 3352 | return(0); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3353 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 3354 | if (*child == NULL) return(0); |
| 3355 | ret = (!xmlStrcmp((*child)->name, cont->name)); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3356 | if (ret == 1) { |
| 3357 | while ((*child)->next == NULL) { |
| 3358 | if (((*child)->parent != NULL) && |
| 3359 | ((*child)->parent->type == XML_ENTITY_DECL)) { |
| 3360 | *child = nodeVPop(ctxt); |
| 3361 | } else |
| 3362 | break; |
| 3363 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3364 | *child = (*child)->next; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3365 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3366 | return(ret); |
| 3367 | case XML_ELEMENT_CONTENT_OR: |
| 3368 | cur = *child; |
| 3369 | ret = xmlValidateElementTypeElement(ctxt, child, cont->c1); |
| 3370 | if (ret == -1) return(-1); |
| 3371 | if (ret == 1) { |
| 3372 | return(1); |
| 3373 | } |
| 3374 | /* rollback and retry the other path */ |
| 3375 | *child = cur; |
| 3376 | ret = xmlValidateElementTypeElement(ctxt, child, cont->c2); |
| 3377 | if (ret == -1) return(-1); |
| 3378 | if (ret == 0) { |
| 3379 | *child = cur; |
| 3380 | return(0); |
| 3381 | } |
| 3382 | return(1); |
| 3383 | case XML_ELEMENT_CONTENT_SEQ: |
| 3384 | cur = *child; |
| 3385 | ret = xmlValidateElementTypeElement(ctxt, child, cont->c1); |
| 3386 | if (ret == -1) return(-1); |
| 3387 | if (ret == 0) { |
| 3388 | *child = cur; |
| 3389 | return(0); |
| 3390 | } |
| 3391 | ret = xmlValidateElementTypeElement(ctxt, child, cont->c2); |
| 3392 | if (ret == -1) return(-1); |
| 3393 | if (ret == 0) { |
| 3394 | *child = cur; |
| 3395 | return(0); |
| 3396 | } |
| 3397 | return(1); |
| 3398 | } |
| 3399 | return(ret); |
| 3400 | } |
| 3401 | |
| 3402 | /** |
| 3403 | * xmlValidateElementTypeElement: |
| 3404 | * @ctxt: the validation context |
| 3405 | * @child: pointer to the child list |
| 3406 | * @cont: pointer to the content declaration |
| 3407 | * |
| 3408 | * Try to validate the content of an element of type element |
| 3409 | * yeah, Yet Another Regexp Implementation, and recursive |
| 3410 | * |
| 3411 | * returns 1 if valid or 0 and -1 if PCDATA stuff is found, |
| 3412 | * also update child and content values in-situ. |
| 3413 | */ |
| 3414 | |
| 3415 | int |
| 3416 | xmlValidateElementTypeElement(xmlValidCtxtPtr ctxt, xmlNodePtr *child, |
| 3417 | xmlElementContentPtr cont) { |
| 3418 | xmlNodePtr cur; |
| 3419 | int ret = 1; |
| 3420 | |
| 3421 | if (cont == NULL) return(-1); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3422 | |
| 3423 | DEBUG_VALID_STATE(*child, cont) |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3424 | while (*child != NULL) { |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3425 | if ((*child)->type == XML_ENTITY_REF_NODE) { |
| 3426 | /* |
| 3427 | * If there is an entity declared an it's not empty |
| 3428 | * Push the current node on the stack and process with the |
| 3429 | * entity content. |
| 3430 | */ |
| 3431 | if (((*child)->children != NULL) && |
| 3432 | ((*child)->children->children != NULL)) { |
| 3433 | nodeVPush(ctxt, *child); |
| 3434 | *child = (*child)->children->children; |
| 3435 | } else |
| 3436 | *child = (*child)->next; |
| 3437 | continue; |
| 3438 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3439 | if ((*child)->type == XML_PI_NODE) { |
| 3440 | *child = (*child)->next; |
| 3441 | continue; |
| 3442 | } |
| 3443 | if ((*child)->type == XML_COMMENT_NODE) { |
| 3444 | *child = (*child)->next; |
| 3445 | continue; |
| 3446 | } |
| 3447 | else if ((*child)->type != XML_ELEMENT_NODE) { |
| 3448 | return(-1); |
| 3449 | } |
| 3450 | break; |
| 3451 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3452 | DEBUG_VALID_STATE(*child, cont) |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3453 | cur = *child; |
| 3454 | ret = xmlValidateElementTypeExpr(ctxt, child, cont); |
| 3455 | if (ret == -1) return(-1); |
| 3456 | switch (cont->ocur) { |
| 3457 | case XML_ELEMENT_CONTENT_ONCE: |
| 3458 | if (ret == 1) { |
Daniel Veillard | 3a2ebdd | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 3459 | /* skip ignorable elems */ |
| 3460 | while ((*child != NULL) && |
| 3461 | (((*child)->type == XML_PI_NODE) || |
| 3462 | ((*child)->type == XML_COMMENT_NODE))) { |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3463 | while ((*child)->next == NULL) { |
| 3464 | if (((*child)->parent != NULL) && |
| 3465 | ((*child)->parent->type == XML_ENTITY_REF_NODE)) { |
| 3466 | *child = (*child)->parent; |
| 3467 | } else |
| 3468 | break; |
| 3469 | } |
| 3470 | *child = (*child)->next; |
Daniel Veillard | 3a2ebdd | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 3471 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3472 | return(1); |
| 3473 | } |
| 3474 | *child = cur; |
| 3475 | return(0); |
| 3476 | case XML_ELEMENT_CONTENT_OPT: |
| 3477 | if (ret == 0) { |
| 3478 | *child = cur; |
| 3479 | return(1); |
| 3480 | } |
| 3481 | break; |
| 3482 | case XML_ELEMENT_CONTENT_MULT: |
| 3483 | if (ret == 0) { |
| 3484 | *child = cur; |
| 3485 | break; |
| 3486 | } |
| 3487 | /* no break on purpose */ |
| 3488 | case XML_ELEMENT_CONTENT_PLUS: |
| 3489 | if (ret == 0) { |
| 3490 | *child = cur; |
| 3491 | return(0); |
| 3492 | } |
| 3493 | do { |
| 3494 | cur = *child; |
| 3495 | ret = xmlValidateElementTypeExpr(ctxt, child, cont); |
| 3496 | } while (ret == 1); |
| 3497 | if (ret == -1) return(-1); |
| 3498 | *child = cur; |
| 3499 | break; |
| 3500 | } |
| 3501 | while (*child != NULL) { |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3502 | if ((*child)->type == XML_ENTITY_REF_NODE) { |
| 3503 | /* |
| 3504 | * If there is an entity declared an it's not empty |
| 3505 | * Push the current node on the stack and process with the |
| 3506 | * entity content. |
| 3507 | */ |
| 3508 | if (((*child)->children != NULL) && |
| 3509 | ((*child)->children->children != NULL)) { |
| 3510 | nodeVPush(ctxt, *child); |
| 3511 | *child = (*child)->children->children; |
| 3512 | } else |
| 3513 | *child = (*child)->next; |
| 3514 | continue; |
| 3515 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3516 | if ((*child)->type == XML_PI_NODE) { |
| 3517 | *child = (*child)->next; |
| 3518 | continue; |
| 3519 | } |
| 3520 | if ((*child)->type == XML_COMMENT_NODE) { |
| 3521 | *child = (*child)->next; |
| 3522 | continue; |
| 3523 | } |
| 3524 | else if ((*child)->type != XML_ELEMENT_NODE) { |
| 3525 | return(-1); |
| 3526 | } |
| 3527 | break; |
| 3528 | } |
| 3529 | return(1); |
| 3530 | } |
| 3531 | |
| 3532 | /** |
| 3533 | * xmlSprintfElementChilds: |
| 3534 | * @buf: an output buffer |
| 3535 | * @content: An element |
| 3536 | * @glob: 1 if one must print the englobing parenthesis, 0 otherwise |
| 3537 | * |
| 3538 | * This will dump the list of childs to the buffer |
| 3539 | * Intended just for the debug routine |
| 3540 | */ |
| 3541 | void |
| 3542 | xmlSprintfElementChilds(char *buf, xmlNodePtr node, int glob) { |
| 3543 | xmlNodePtr cur; |
| 3544 | |
| 3545 | if (node == NULL) return; |
| 3546 | if (glob) strcat(buf, "("); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3547 | cur = node->children; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3548 | while (cur != NULL) { |
| 3549 | switch (cur->type) { |
| 3550 | case XML_ELEMENT_NODE: |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 3551 | strcat(buf, (char *) cur->name); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3552 | if (cur->next != NULL) |
| 3553 | strcat(buf, " "); |
| 3554 | break; |
| 3555 | case XML_TEXT_NODE: |
| 3556 | case XML_CDATA_SECTION_NODE: |
| 3557 | case XML_ENTITY_REF_NODE: |
| 3558 | strcat(buf, "CDATA"); |
| 3559 | if (cur->next != NULL) |
| 3560 | strcat(buf, " "); |
| 3561 | break; |
| 3562 | case XML_ATTRIBUTE_NODE: |
| 3563 | case XML_DOCUMENT_NODE: |
Daniel Veillard | 04698d9 | 2000-09-17 16:00:22 +0000 | [diff] [blame] | 3564 | #ifdef LIBXML_SGML_ENABLED |
| 3565 | case XML_SGML_DOCUMENT_NODE: |
| 3566 | #endif |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 3567 | case XML_HTML_DOCUMENT_NODE: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3568 | case XML_DOCUMENT_TYPE_NODE: |
| 3569 | case XML_DOCUMENT_FRAG_NODE: |
| 3570 | case XML_NOTATION_NODE: |
| 3571 | strcat(buf, "???"); |
| 3572 | if (cur->next != NULL) |
| 3573 | strcat(buf, " "); |
| 3574 | break; |
| 3575 | case XML_ENTITY_NODE: |
| 3576 | case XML_PI_NODE: |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3577 | case XML_DTD_NODE: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3578 | case XML_COMMENT_NODE: |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3579 | case XML_ELEMENT_DECL: |
| 3580 | case XML_ATTRIBUTE_DECL: |
| 3581 | case XML_ENTITY_DECL: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3582 | break; |
| 3583 | } |
| 3584 | cur = cur->next; |
| 3585 | } |
| 3586 | if (glob) strcat(buf, ")"); |
| 3587 | } |
| 3588 | |
| 3589 | |
| 3590 | /** |
| 3591 | * xmlValidateOneElement: |
| 3592 | * @ctxt: the validation context |
| 3593 | * @doc: a document instance |
| 3594 | * @elem: an element instance |
| 3595 | * |
| 3596 | * Try to validate a single element and it's attributes, |
| 3597 | * basically it does the following checks as described by the |
| 3598 | * XML-1.0 recommendation: |
| 3599 | * - [ VC: Element Valid ] |
| 3600 | * - [ VC: Required Attribute ] |
| 3601 | * Then call xmlValidateOneAttribute() for each attribute present. |
| 3602 | * |
| 3603 | * The ID/IDREF checkings are done separately |
| 3604 | * |
| 3605 | * returns 1 if valid or 0 otherwise |
| 3606 | */ |
| 3607 | |
| 3608 | int |
| 3609 | xmlValidateOneElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 3610 | xmlNodePtr elem) { |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3611 | xmlElementPtr elemDecl = NULL; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3612 | xmlElementContentPtr cont; |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 3613 | xmlAttributePtr attr; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3614 | xmlNodePtr child; |
| 3615 | int ret = 1; |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 3616 | const xmlChar *name; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3617 | |
| 3618 | CHECK_DTD; |
| 3619 | |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 3620 | if (elem == NULL) return(0); |
| 3621 | if (elem->type == XML_TEXT_NODE) { |
| 3622 | } |
| 3623 | switch (elem->type) { |
| 3624 | case XML_ATTRIBUTE_NODE: |
| 3625 | VERROR(ctxt->userData, |
| 3626 | "Attribute element not expected here\n"); |
| 3627 | return(0); |
| 3628 | case XML_TEXT_NODE: |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3629 | if (elem->children != NULL) { |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 3630 | VERROR(ctxt->userData, "Text element has childs !\n"); |
| 3631 | return(0); |
| 3632 | } |
| 3633 | if (elem->properties != NULL) { |
| 3634 | VERROR(ctxt->userData, "Text element has attributes !\n"); |
| 3635 | return(0); |
| 3636 | } |
| 3637 | if (elem->ns != NULL) { |
| 3638 | VERROR(ctxt->userData, "Text element has namespace !\n"); |
| 3639 | return(0); |
| 3640 | } |
Daniel Veillard | 87b9539 | 2000-08-12 21:12:04 +0000 | [diff] [blame] | 3641 | if (elem->nsDef != NULL) { |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 3642 | VERROR(ctxt->userData, |
| 3643 | "Text element carries namespace definitions !\n"); |
| 3644 | return(0); |
| 3645 | } |
| 3646 | if (elem->content == NULL) { |
| 3647 | VERROR(ctxt->userData, |
| 3648 | "Text element has no content !\n"); |
| 3649 | return(0); |
| 3650 | } |
| 3651 | return(1); |
| 3652 | case XML_CDATA_SECTION_NODE: |
| 3653 | case XML_ENTITY_REF_NODE: |
| 3654 | case XML_PI_NODE: |
| 3655 | case XML_COMMENT_NODE: |
| 3656 | return(1); |
| 3657 | case XML_ENTITY_NODE: |
| 3658 | VERROR(ctxt->userData, |
| 3659 | "Entity element not expected here\n"); |
| 3660 | return(0); |
| 3661 | case XML_NOTATION_NODE: |
| 3662 | VERROR(ctxt->userData, |
| 3663 | "Notation element not expected here\n"); |
| 3664 | return(0); |
| 3665 | case XML_DOCUMENT_NODE: |
| 3666 | case XML_DOCUMENT_TYPE_NODE: |
| 3667 | case XML_DOCUMENT_FRAG_NODE: |
| 3668 | VERROR(ctxt->userData, |
| 3669 | "Document element not expected here\n"); |
| 3670 | return(0); |
| 3671 | case XML_HTML_DOCUMENT_NODE: |
| 3672 | VERROR(ctxt->userData, |
| 3673 | "\n"); |
| 3674 | return(0); |
| 3675 | case XML_ELEMENT_NODE: |
| 3676 | break; |
| 3677 | default: |
| 3678 | VERROR(ctxt->userData, |
| 3679 | "unknown element type %d\n", elem->type); |
| 3680 | return(0); |
| 3681 | } |
| 3682 | if (elem->name == NULL) return(0); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3683 | |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3684 | /* |
| 3685 | * Fetch the declaration for the qualified name |
| 3686 | */ |
| 3687 | if ((elem->ns != NULL) && (elem->ns->prefix != NULL)) { |
| 3688 | elemDecl = xmlGetDtdQElementDesc(doc->intSubset, |
| 3689 | elem->name, elem->ns->prefix); |
| 3690 | if ((elemDecl == NULL) && (doc->extSubset != NULL)) |
| 3691 | elemDecl = xmlGetDtdQElementDesc(doc->extSubset, |
| 3692 | elem->name, elem->ns->prefix); |
| 3693 | } |
| 3694 | |
| 3695 | /* |
| 3696 | * Fetch the declaration for the non qualified name |
| 3697 | */ |
| 3698 | if (elemDecl == NULL) { |
| 3699 | elemDecl = xmlGetDtdElementDesc(doc->intSubset, elem->name); |
| 3700 | if ((elemDecl == NULL) && (doc->extSubset != NULL)) |
| 3701 | elemDecl = xmlGetDtdElementDesc(doc->extSubset, elem->name); |
| 3702 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3703 | if (elemDecl == NULL) { |
| 3704 | VERROR(ctxt->userData, "No declaration for element %s\n", |
| 3705 | elem->name); |
| 3706 | return(0); |
| 3707 | } |
| 3708 | |
| 3709 | /* Check taht the element content matches the definition */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3710 | switch (elemDecl->etype) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3711 | case XML_ELEMENT_TYPE_EMPTY: |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3712 | if (elem->children != NULL) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3713 | VERROR(ctxt->userData, |
| 3714 | "Element %s was declared EMPTY this one has content\n", |
| 3715 | elem->name); |
| 3716 | ret = 0; |
| 3717 | } |
| 3718 | break; |
| 3719 | case XML_ELEMENT_TYPE_ANY: |
| 3720 | /* I don't think anything is required then */ |
| 3721 | break; |
| 3722 | case XML_ELEMENT_TYPE_MIXED: |
| 3723 | /* Hum, this start to get messy */ |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3724 | child = elem->children; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3725 | while (child != NULL) { |
| 3726 | if (child->type == XML_ELEMENT_NODE) { |
| 3727 | name = child->name; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3728 | if ((child->ns != NULL) && (child->ns->prefix != NULL)) { |
| 3729 | xmlChar qname[500]; |
| 3730 | #ifdef HAVE_SNPRINTF |
| 3731 | snprintf((char *) qname, sizeof(qname), "%s:%s", |
| 3732 | child->ns->prefix, child->name); |
| 3733 | #else |
Daniel Veillard | 39c7d71 | 2000-09-10 16:14:55 +0000 | [diff] [blame] | 3734 | sprintf((char *) qname, "%s:%s", |
| 3735 | child->ns->prefix, child->name); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3736 | #endif |
Daniel Veillard | 39c7d71 | 2000-09-10 16:14:55 +0000 | [diff] [blame] | 3737 | qname[sizeof(qname) - 1] = 0; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3738 | cont = elemDecl->content; |
| 3739 | while (cont != NULL) { |
| 3740 | if (cont->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 3741 | if (!xmlStrcmp(cont->name, qname)) break; |
| 3742 | } else if ((cont->type == XML_ELEMENT_CONTENT_OR) && |
| 3743 | (cont->c1 != NULL) && |
| 3744 | (cont->c1->type == XML_ELEMENT_CONTENT_ELEMENT)){ |
| 3745 | if (!xmlStrcmp(cont->c1->name, qname)) break; |
| 3746 | } else if ((cont->type != XML_ELEMENT_CONTENT_OR) || |
| 3747 | (cont->c1 == NULL) || |
| 3748 | (cont->c1->type != XML_ELEMENT_CONTENT_PCDATA)){ |
| 3749 | /* Internal error !!! */ |
| 3750 | fprintf(stderr, "Internal: MIXED struct bad\n"); |
| 3751 | break; |
| 3752 | } |
| 3753 | cont = cont->c2; |
| 3754 | } |
| 3755 | if (cont != NULL) |
| 3756 | goto child_ok; |
| 3757 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3758 | cont = elemDecl->content; |
| 3759 | while (cont != NULL) { |
| 3760 | if (cont->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 3761 | if (!xmlStrcmp(cont->name, name)) break; |
| 3762 | } else if ((cont->type == XML_ELEMENT_CONTENT_OR) && |
| 3763 | (cont->c1 != NULL) && |
| 3764 | (cont->c1->type == XML_ELEMENT_CONTENT_ELEMENT)) { |
| 3765 | if (!xmlStrcmp(cont->c1->name, name)) break; |
| 3766 | } else if ((cont->type != XML_ELEMENT_CONTENT_OR) || |
| 3767 | (cont->c1 == NULL) || |
| 3768 | (cont->c1->type != XML_ELEMENT_CONTENT_PCDATA)) { |
| 3769 | /* Internal error !!! */ |
| 3770 | fprintf(stderr, "Internal: MIXED struct bad\n"); |
| 3771 | break; |
| 3772 | } |
| 3773 | cont = cont->c2; |
| 3774 | } |
| 3775 | if (cont == NULL) { |
| 3776 | VERROR(ctxt->userData, |
| 3777 | "Element %s is not declared in %s list of possible childs\n", |
| 3778 | name, elem->name); |
| 3779 | ret = 0; |
| 3780 | } |
| 3781 | } |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3782 | child_ok: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3783 | child = child->next; |
| 3784 | } |
| 3785 | break; |
| 3786 | case XML_ELEMENT_TYPE_ELEMENT: |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3787 | child = elem->children; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3788 | cont = elemDecl->content; |
| 3789 | ret = xmlValidateElementTypeElement(ctxt, &child, cont); |
| 3790 | if ((ret == 0) || (child != NULL)) { |
| 3791 | char expr[1000]; |
| 3792 | char list[2000]; |
| 3793 | |
| 3794 | expr[0] = 0; |
| 3795 | xmlSprintfElementContent(expr, cont, 1); |
| 3796 | list[0] = 0; |
| 3797 | xmlSprintfElementChilds(list, elem, 1); |
| 3798 | |
| 3799 | VERROR(ctxt->userData, |
| 3800 | "Element %s content doesn't follow the Dtd\nExpecting %s, got %s\n", |
| 3801 | elem->name, expr, list); |
| 3802 | ret = 0; |
| 3803 | } |
| 3804 | break; |
| 3805 | } |
| 3806 | |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 3807 | /* [ VC: Required Attribute ] */ |
| 3808 | attr = elemDecl->attributes; |
| 3809 | while (attr != NULL) { |
| 3810 | if (attr->def == XML_ATTRIBUTE_REQUIRED) { |
| 3811 | xmlAttrPtr attrib; |
| 3812 | int qualified = -1; |
| 3813 | |
| 3814 | attrib = elem->properties; |
| 3815 | while (attrib != NULL) { |
| 3816 | if (!xmlStrcmp(attrib->name, attr->name)) { |
| 3817 | if (attr->prefix != NULL) { |
| 3818 | xmlNsPtr nameSpace = attrib->ns; |
| 3819 | |
| 3820 | if (nameSpace == NULL) |
| 3821 | nameSpace = elem->ns; |
| 3822 | /* |
| 3823 | * qualified names handling is problematic, having a |
| 3824 | * different prefix should be possible but DTDs don't |
| 3825 | * allow to define the URI instead of the prefix :-( |
| 3826 | */ |
| 3827 | if (nameSpace == NULL) { |
| 3828 | if (qualified < 0) |
| 3829 | qualified = 0; |
| 3830 | } else if (xmlStrcmp(nameSpace->prefix, attr->prefix)) { |
| 3831 | if (qualified < 1) |
| 3832 | qualified = 1; |
| 3833 | } else |
| 3834 | goto found; |
| 3835 | } else { |
| 3836 | /* |
| 3837 | * We should allow applications to define namespaces |
| 3838 | * for their application even if the DTD doesn't |
| 3839 | * carry one, otherwise, basically we would always |
| 3840 | * break. |
| 3841 | */ |
| 3842 | goto found; |
| 3843 | } |
| 3844 | } |
| 3845 | attrib = attrib->next; |
| 3846 | } |
| 3847 | if (qualified == -1) { |
| 3848 | if (attr->prefix == NULL) { |
| 3849 | VERROR(ctxt->userData, |
| 3850 | "Element %s doesn't carry attribute %s\n", |
| 3851 | elem->name, attr->name); |
| 3852 | } else { |
| 3853 | VERROR(ctxt->userData, |
| 3854 | "Element %s doesn't carry attribute %s:%s\n", |
| 3855 | elem->name, attr->prefix,attr->name); |
| 3856 | } |
| 3857 | } else if (qualified == 0) { |
| 3858 | VWARNING(ctxt->userData, |
| 3859 | "Element %s required attribute %s:%s has no prefix\n", |
| 3860 | elem->name, attr->prefix,attr->name); |
| 3861 | } else if (qualified == 1) { |
| 3862 | VWARNING(ctxt->userData, |
| 3863 | "Element %s required attribute %s:%s has different prefix\n", |
| 3864 | elem->name, attr->prefix,attr->name); |
| 3865 | } |
| 3866 | } |
| 3867 | found: |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3868 | attr = attr->nexth; |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 3869 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3870 | return(ret); |
| 3871 | } |
| 3872 | |
| 3873 | /** |
| 3874 | * xmlValidateRoot: |
| 3875 | * @ctxt: the validation context |
| 3876 | * @doc: a document instance |
| 3877 | * |
| 3878 | * Try to validate a the root element |
| 3879 | * basically it does the following check as described by the |
| 3880 | * XML-1.0 recommendation: |
| 3881 | * - [ VC: Root Element Type ] |
| 3882 | * it doesn't try to recurse or apply other check to the element |
| 3883 | * |
| 3884 | * returns 1 if valid or 0 otherwise |
| 3885 | */ |
| 3886 | |
| 3887 | int |
| 3888 | xmlValidateRoot(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 3889 | xmlNodePtr root; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3890 | if (doc == NULL) return(0); |
| 3891 | |
| 3892 | if ((doc->intSubset == NULL) || |
| 3893 | (doc->intSubset->name == NULL)) { |
| 3894 | VERROR(ctxt->userData, "Not valid: no DtD found\n"); |
| 3895 | return(0); |
| 3896 | } |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 3897 | root = xmlDocGetRootElement(doc); |
| 3898 | if ((root == NULL) || (root->name == NULL)) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3899 | VERROR(ctxt->userData, "Not valid: no root element\n"); |
| 3900 | return(0); |
| 3901 | } |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3902 | |
| 3903 | /* |
| 3904 | * Check first the document root against the NQName |
| 3905 | */ |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 3906 | if (xmlStrcmp(doc->intSubset->name, root->name)) { |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3907 | if ((root->ns != NULL) && (root->ns->prefix != NULL)) { |
| 3908 | xmlChar qname[500]; |
| 3909 | #ifdef HAVE_SNPRINTF |
| 3910 | snprintf((char *) qname, sizeof(qname), "%s:%s", |
| 3911 | root->ns->prefix, root->name); |
| 3912 | #else |
Daniel Veillard | 39c7d71 | 2000-09-10 16:14:55 +0000 | [diff] [blame] | 3913 | sprintf((char *) qname, "%s:%s", root->ns->prefix, root->name); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3914 | #endif |
Daniel Veillard | 39c7d71 | 2000-09-10 16:14:55 +0000 | [diff] [blame] | 3915 | qname[sizeof(qname) - 1] = 0; |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3916 | if (!xmlStrcmp(doc->intSubset->name, qname)) |
| 3917 | goto name_ok; |
| 3918 | } |
| 3919 | if ((!xmlStrcmp(doc->intSubset->name, BAD_CAST "HTML")) && |
| 3920 | (!xmlStrcmp(root->name, BAD_CAST "html"))) |
| 3921 | goto name_ok; |
| 3922 | VERROR(ctxt->userData, |
| 3923 | "Not valid: root and DtD name do not match '%s' and '%s'\n", |
| 3924 | root->name, doc->intSubset->name); |
| 3925 | return(0); |
| 3926 | |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3927 | } |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame] | 3928 | name_ok: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3929 | return(1); |
| 3930 | } |
| 3931 | |
| 3932 | |
| 3933 | /** |
| 3934 | * xmlValidateElement: |
| 3935 | * @ctxt: the validation context |
| 3936 | * @doc: a document instance |
| 3937 | * @elem: an element instance |
| 3938 | * |
| 3939 | * Try to validate the subtree under an element |
| 3940 | * |
| 3941 | * returns 1 if valid or 0 otherwise |
| 3942 | */ |
| 3943 | |
| 3944 | int |
| 3945 | xmlValidateElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc, xmlNodePtr elem) { |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 3946 | xmlNodePtr child; |
| 3947 | xmlAttrPtr attr; |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 3948 | xmlChar *value; |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 3949 | int ret = 1; |
| 3950 | |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 3951 | if (elem == NULL) return(0); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 3952 | CHECK_DTD; |
| 3953 | |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 3954 | ret &= xmlValidateOneElement(ctxt, doc, elem); |
| 3955 | attr = elem->properties; |
| 3956 | while(attr != NULL) { |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3957 | value = xmlNodeListGetString(doc, attr->children, 0); |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 3958 | ret &= xmlValidateOneAttribute(ctxt, doc, elem, attr, value); |
| 3959 | if (value != NULL) |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 3960 | xmlFree(value); |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 3961 | attr= attr->next; |
| 3962 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3963 | child = elem->children; |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 3964 | while (child != NULL) { |
| 3965 | ret &= xmlValidateElement(ctxt, doc, child); |
| 3966 | child = child->next; |
| 3967 | } |
| 3968 | |
| 3969 | return(ret); |
| 3970 | } |
| 3971 | |
| 3972 | /** |
| 3973 | * xmlValidateDocumentFinal: |
| 3974 | * @ctxt: the validation context |
| 3975 | * @doc: a document instance |
| 3976 | * |
| 3977 | * Does the final step for the document validation once all the |
| 3978 | * incremental validation steps have been completed |
| 3979 | * |
| 3980 | * basically it does the following checks described by the XML Rec |
| 3981 | * |
| 3982 | * |
| 3983 | * returns 1 if valid or 0 otherwise |
| 3984 | */ |
| 3985 | |
| 3986 | int |
| 3987 | xmlValidateDocumentFinal(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 3988 | int ret = 1, i; |
| 3989 | xmlRefTablePtr table; |
| 3990 | xmlAttrPtr id; |
| 3991 | |
| 3992 | if (doc == NULL) { |
| 3993 | fprintf(stderr, "xmlValidateDocumentFinal: doc == NULL\n"); |
| 3994 | return(0); |
| 3995 | } |
| 3996 | |
| 3997 | /* |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 3998 | * Check all the NOTATION/NOTATIONS attributes |
| 3999 | */ |
| 4000 | /* |
| 4001 | * Check all the ENTITY/ENTITIES attributes definition for validity |
| 4002 | */ |
| 4003 | /* |
| 4004 | * Check all the IDREF/IDREFS attributes definition for validity |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 4005 | */ |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 4006 | table = (xmlRefTablePtr) doc->refs; |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 4007 | if (table != NULL) { |
| 4008 | for (i = 0; i < table->nb_refs; i++) { |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4009 | if (table->table[i]->attr->atype == XML_ATTRIBUTE_IDREF) { |
| 4010 | id = xmlGetID(doc, table->table[i]->value); |
| 4011 | if (id == NULL) { |
| 4012 | VERROR(ctxt->userData, |
| 4013 | "IDREF attribute %s reference an unknown ID \"%s\"\n", |
| 4014 | table->table[i]->attr->name, table->table[i]->value); |
| 4015 | ret = 0; |
| 4016 | } |
| 4017 | } else if (table->table[i]->attr->atype == XML_ATTRIBUTE_IDREFS) { |
| 4018 | xmlChar *dup, *name = NULL, *cur, save; |
| 4019 | |
| 4020 | dup = xmlStrdup(table->table[i]->value); |
| 4021 | if (dup == NULL) |
| 4022 | return(0); |
| 4023 | cur = dup; |
| 4024 | while (*cur != 0) { |
| 4025 | name = cur; |
| 4026 | while ((*cur != 0) && (!IS_BLANK(*cur))) cur++; |
| 4027 | save = *cur; |
| 4028 | *cur = 0; |
| 4029 | id = xmlGetID(doc, name); |
| 4030 | if (id == NULL) { |
| 4031 | VERROR(ctxt->userData, |
| 4032 | "IDREFS attribute %s reference an unknown ID \"%s\"\n", |
| 4033 | table->table[i]->attr->name, name); |
| 4034 | ret = 0; |
| 4035 | } |
| 4036 | if (save == 0) |
| 4037 | break; |
| 4038 | *cur = save; |
| 4039 | while (IS_BLANK(*cur)) cur++; |
| 4040 | } |
| 4041 | xmlFree(dup); |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 4042 | } |
| 4043 | } |
| 4044 | } |
| 4045 | return(ret); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 4046 | } |
| 4047 | |
| 4048 | /** |
| 4049 | * xmlValidateDtd: |
| 4050 | * @ctxt: the validation context |
| 4051 | * @doc: a document instance |
| 4052 | * @dtd: a dtd instance |
| 4053 | * |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 4054 | * Try to validate the document against the dtd instance |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 4055 | * |
| 4056 | * basically it does check all the definitions in the DtD. |
| 4057 | * |
| 4058 | * returns 1 if valid or 0 otherwise |
| 4059 | */ |
| 4060 | |
| 4061 | int |
| 4062 | xmlValidateDtd(xmlValidCtxtPtr ctxt, xmlDocPtr doc, xmlDtdPtr dtd) { |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 4063 | int ret; |
| 4064 | xmlDtdPtr oldExt; |
| 4065 | xmlNodePtr root; |
| 4066 | |
| 4067 | if (dtd == NULL) return(0); |
| 4068 | if (doc == NULL) return(0); |
| 4069 | oldExt = doc->extSubset; |
| 4070 | doc->extSubset = dtd; |
| 4071 | ret = xmlValidateRoot(ctxt, doc); |
| 4072 | if (ret == 0) { |
| 4073 | doc->extSubset = oldExt; |
| 4074 | return(ret); |
| 4075 | } |
| 4076 | root = xmlDocGetRootElement(doc); |
| 4077 | ret = xmlValidateElement(ctxt, doc, root); |
| 4078 | ret &= xmlValidateDocumentFinal(ctxt, doc); |
| 4079 | doc->extSubset = oldExt; |
| 4080 | return(ret); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 4081 | } |
| 4082 | |
| 4083 | /** |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4084 | * xmlValidateDtdFinal: |
| 4085 | * @ctxt: the validation context |
| 4086 | * @doc: a document instance |
| 4087 | * |
| 4088 | * Does the final step for the dtds validation once all the |
| 4089 | * subsets have been parsed |
| 4090 | * |
| 4091 | * basically it does the following checks described by the XML Rec |
| 4092 | * - check that ENTITY and ENTITIES type attributes default or |
| 4093 | * possible values matches one of the defined entities. |
| 4094 | * - check that NOTATION type attributes default or |
| 4095 | * possible values matches one of the defined notations. |
| 4096 | * |
| 4097 | * returns 1 if valid or 0 otherwise |
| 4098 | */ |
| 4099 | |
| 4100 | int |
| 4101 | xmlValidateDtdFinal(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 4102 | int ret = 1, i; |
| 4103 | xmlDtdPtr dtd; |
| 4104 | xmlAttributeTablePtr table; |
| 4105 | xmlAttributePtr cur; |
| 4106 | |
| 4107 | if (doc == NULL) return(0); |
| 4108 | if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) |
| 4109 | return(0); |
| 4110 | dtd = doc->intSubset; |
| 4111 | if ((dtd != NULL) && (dtd->attributes != NULL)) { |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 4112 | table = (xmlAttributeTablePtr) dtd->attributes; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4113 | |
| 4114 | for (i = 0;i < table->nb_attributes;i++) { |
| 4115 | cur = table->table[i]; |
| 4116 | switch (cur->atype) { |
| 4117 | case XML_ATTRIBUTE_CDATA: |
| 4118 | case XML_ATTRIBUTE_ID: |
| 4119 | case XML_ATTRIBUTE_IDREF : |
| 4120 | case XML_ATTRIBUTE_IDREFS: |
| 4121 | case XML_ATTRIBUTE_NMTOKEN: |
| 4122 | case XML_ATTRIBUTE_NMTOKENS: |
| 4123 | case XML_ATTRIBUTE_ENUMERATION: |
| 4124 | break; |
| 4125 | case XML_ATTRIBUTE_ENTITY: |
| 4126 | case XML_ATTRIBUTE_ENTITIES: |
| 4127 | case XML_ATTRIBUTE_NOTATION: |
| 4128 | if (cur->defaultValue != NULL) { |
| 4129 | ret &= xmlValidateAttributeValue2(ctxt, doc, cur->name, |
| 4130 | cur->atype, cur->defaultValue); |
| 4131 | } |
| 4132 | if (cur->tree != NULL) { |
| 4133 | xmlEnumerationPtr tree = cur->tree; |
| 4134 | while (tree != NULL) { |
| 4135 | ret &= xmlValidateAttributeValue2(ctxt, doc, |
| 4136 | cur->name, cur->atype, tree->name); |
| 4137 | tree = tree->next; |
| 4138 | } |
| 4139 | } |
| 4140 | } |
| 4141 | } |
| 4142 | } |
| 4143 | dtd = doc->extSubset; |
| 4144 | if ((dtd != NULL) && (dtd->attributes != NULL)) { |
Daniel Veillard | 32bc74e | 2000-07-14 14:49:25 +0000 | [diff] [blame] | 4145 | table = (xmlAttributeTablePtr) dtd->attributes; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4146 | |
| 4147 | for (i = 0;i < table->nb_attributes;i++) { |
| 4148 | cur = table->table[i]; |
| 4149 | switch (cur->atype) { |
| 4150 | case XML_ATTRIBUTE_CDATA: |
| 4151 | case XML_ATTRIBUTE_ID: |
| 4152 | case XML_ATTRIBUTE_IDREF : |
| 4153 | case XML_ATTRIBUTE_IDREFS: |
| 4154 | case XML_ATTRIBUTE_NMTOKEN: |
| 4155 | case XML_ATTRIBUTE_NMTOKENS: |
| 4156 | case XML_ATTRIBUTE_ENUMERATION: |
| 4157 | break; |
| 4158 | case XML_ATTRIBUTE_ENTITY: |
| 4159 | case XML_ATTRIBUTE_ENTITIES: |
| 4160 | case XML_ATTRIBUTE_NOTATION: |
| 4161 | if (cur->defaultValue != NULL) { |
| 4162 | ret &= xmlValidateAttributeValue2(ctxt, doc, cur->name, |
| 4163 | cur->atype, cur->defaultValue); |
| 4164 | } |
| 4165 | if (cur->tree != NULL) { |
| 4166 | xmlEnumerationPtr tree = cur->tree; |
| 4167 | while (tree != NULL) { |
| 4168 | ret &= xmlValidateAttributeValue2(ctxt, doc, |
| 4169 | cur->name, cur->atype, tree->name); |
| 4170 | tree = tree->next; |
| 4171 | } |
| 4172 | } |
| 4173 | } |
| 4174 | } |
| 4175 | } |
| 4176 | return(ret); |
| 4177 | } |
| 4178 | |
| 4179 | /** |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 4180 | * xmlValidateDocument: |
| 4181 | * @ctxt: the validation context |
| 4182 | * @doc: a document instance |
| 4183 | * |
| 4184 | * Try to validate the document instance |
| 4185 | * |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 4186 | * basically it does the all the checks described by the XML Rec |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 4187 | * i.e. validates the internal and external subset (if present) |
| 4188 | * and validate the document tree. |
| 4189 | * |
| 4190 | * returns 1 if valid or 0 otherwise |
| 4191 | */ |
| 4192 | |
| 4193 | int |
| 4194 | xmlValidateDocument(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 4195 | int ret; |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 4196 | xmlNodePtr root; |
| 4197 | |
| 4198 | if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) |
| 4199 | return(0); |
| 4200 | if ((doc->intSubset != NULL) && ((doc->intSubset->SystemID != NULL) || |
| 4201 | (doc->intSubset->ExternalID != NULL)) && (doc->extSubset == NULL)) { |
| 4202 | doc->extSubset = xmlParseDTD(doc->intSubset->ExternalID, |
| 4203 | doc->intSubset->SystemID); |
| 4204 | if (doc->extSubset == NULL) { |
| 4205 | if (doc->intSubset->SystemID != NULL) { |
| 4206 | VERROR(ctxt->userData, |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4207 | "Could not load the external subset \"%s\"\n", |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 4208 | doc->intSubset->SystemID); |
| 4209 | } else { |
| 4210 | VERROR(ctxt->userData, |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4211 | "Could not load the external subset \"%s\"\n", |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 4212 | doc->intSubset->ExternalID); |
| 4213 | } |
| 4214 | return(0); |
| 4215 | } |
| 4216 | } |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 4217 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4218 | ret = xmlValidateDtdFinal(ctxt, doc); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 4219 | if (!xmlValidateRoot(ctxt, doc)) return(0); |
| 4220 | |
Daniel Veillard | 944b5ff | 1999-12-15 19:08:24 +0000 | [diff] [blame] | 4221 | root = xmlDocGetRootElement(doc); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4222 | ret &= xmlValidateElement(ctxt, doc, root); |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 4223 | ret &= xmlValidateDocumentFinal(ctxt, doc); |
| 4224 | return(ret); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 4225 | } |
| 4226 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 4227 | |
| 4228 | /************************************************************************ |
| 4229 | * * |
| 4230 | * Routines for dynamic validation editing * |
| 4231 | * * |
| 4232 | ************************************************************************/ |
| 4233 | |
| 4234 | /** |
| 4235 | * xmlValidGetPotentialChildren: |
| 4236 | * @ctree: an element content tree |
| 4237 | * @list: an array to store the list of child names |
| 4238 | * @len: a pointer to the number of element in the list |
| 4239 | * @max: the size of the array |
| 4240 | * |
| 4241 | * Build/extend a list of potential children allowed by the content tree |
| 4242 | * |
| 4243 | * returns the number of element in the list, or -1 in case of error. |
| 4244 | */ |
| 4245 | |
| 4246 | int |
| 4247 | xmlValidGetPotentialChildren(xmlElementContent *ctree, const xmlChar **list, |
| 4248 | int *len, int max) { |
| 4249 | int i; |
| 4250 | |
| 4251 | if ((ctree == NULL) || (list == NULL) || (len == NULL)) |
| 4252 | return(-1); |
| 4253 | if (*len >= max) return(*len); |
| 4254 | |
| 4255 | switch (ctree->type) { |
| 4256 | case XML_ELEMENT_CONTENT_PCDATA: |
| 4257 | for (i = 0; i < *len;i++) |
Daniel Veillard | a819dac | 1999-11-24 18:04:22 +0000 | [diff] [blame] | 4258 | if (!xmlStrcmp(BAD_CAST "#PCDATA", list[i])) return(*len); |
| 4259 | list[(*len)++] = BAD_CAST "#PCDATA"; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 4260 | break; |
| 4261 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 4262 | for (i = 0; i < *len;i++) |
| 4263 | if (!xmlStrcmp(ctree->name, list[i])) return(*len); |
| 4264 | list[(*len)++] = ctree->name; |
| 4265 | break; |
| 4266 | case XML_ELEMENT_CONTENT_SEQ: |
| 4267 | xmlValidGetPotentialChildren(ctree->c1, list, len, max); |
| 4268 | xmlValidGetPotentialChildren(ctree->c2, list, len, max); |
| 4269 | break; |
| 4270 | case XML_ELEMENT_CONTENT_OR: |
| 4271 | xmlValidGetPotentialChildren(ctree->c1, list, len, max); |
| 4272 | xmlValidGetPotentialChildren(ctree->c2, list, len, max); |
| 4273 | break; |
| 4274 | } |
| 4275 | |
| 4276 | return(*len); |
| 4277 | } |
| 4278 | |
| 4279 | /** |
| 4280 | * xmlValidGetValidElements: |
| 4281 | * @prev: an element to insert after |
| 4282 | * @next: an element to insert next |
| 4283 | * @list: an array to store the list of child names |
| 4284 | * @max: the size of the array |
| 4285 | * |
| 4286 | * This function returns the list of authorized children to insert |
| 4287 | * within an existing tree while respecting the validity constraints |
| 4288 | * forced by the Dtd. The insertion point is defined using @prev and |
| 4289 | * @next in the following ways: |
| 4290 | * to insert before 'node': xmlValidGetValidElements(node->prev, node, ... |
| 4291 | * to insert next 'node': xmlValidGetValidElements(node, node->next, ... |
| 4292 | * to replace 'node': xmlValidGetValidElements(node->prev, node->next, ... |
| 4293 | * to prepend a child to 'node': xmlValidGetValidElements(NULL, node->childs, |
| 4294 | * to append a child to 'node': xmlValidGetValidElements(node->last, NULL, ... |
| 4295 | * |
| 4296 | * pointers to the element names are inserted at the beginning of the array |
| 4297 | * and do not need to be freed. |
| 4298 | * |
| 4299 | * returns the number of element in the list, or -1 in case of error. If |
| 4300 | * the function returns the value @max the caller is invited to grow the |
| 4301 | * receiving array and retry. |
| 4302 | */ |
| 4303 | |
| 4304 | int |
| 4305 | xmlValidGetValidElements(xmlNode *prev, xmlNode *next, const xmlChar **list, |
| 4306 | int max) { |
| 4307 | int nb_valid_elements = 0; |
| 4308 | const xmlChar *elements[256]; |
| 4309 | int nb_elements = 0, i; |
| 4310 | |
| 4311 | xmlNode *ref_node; |
| 4312 | xmlNode *parent; |
| 4313 | xmlNode *test_node; |
| 4314 | |
| 4315 | xmlNode *prev_next; |
| 4316 | xmlNode *next_prev; |
| 4317 | xmlNode *parent_childs; |
| 4318 | xmlNode *parent_last; |
| 4319 | |
| 4320 | xmlElement *element_desc; |
| 4321 | |
| 4322 | if (prev == NULL && next == NULL) |
| 4323 | return(-1); |
| 4324 | |
| 4325 | if (list == NULL) return(-1); |
| 4326 | if (max <= 0) return(-1); |
| 4327 | |
| 4328 | nb_valid_elements = 0; |
| 4329 | ref_node = prev ? prev : next; |
| 4330 | parent = ref_node->parent; |
| 4331 | |
| 4332 | /* |
| 4333 | * Retrieves the parent element declaration |
| 4334 | */ |
| 4335 | element_desc = xmlGetDtdElementDesc(parent->doc->intSubset, |
| 4336 | parent->name); |
| 4337 | if ((element_desc == NULL) && (parent->doc->extSubset != NULL)) |
| 4338 | element_desc = xmlGetDtdElementDesc(parent->doc->extSubset, |
| 4339 | parent->name); |
| 4340 | if (element_desc == NULL) return(-1); |
| 4341 | |
| 4342 | /* |
| 4343 | * Do a backup of the current tree structure |
| 4344 | */ |
| 4345 | prev_next = prev ? prev->next : NULL; |
| 4346 | next_prev = next ? next->prev : NULL; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4347 | parent_childs = parent->children; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 4348 | parent_last = parent->last; |
| 4349 | |
| 4350 | /* |
| 4351 | * Creates a dummy node and insert it into the tree |
| 4352 | */ |
Daniel Veillard | a819dac | 1999-11-24 18:04:22 +0000 | [diff] [blame] | 4353 | test_node = xmlNewNode (NULL, BAD_CAST "<!dummy?>"); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 4354 | test_node->doc = ref_node->doc; |
| 4355 | test_node->parent = parent; |
| 4356 | test_node->prev = prev; |
| 4357 | test_node->next = next; |
| 4358 | |
| 4359 | if (prev) prev->next = test_node; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4360 | else parent->children = test_node; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 4361 | |
| 4362 | if (next) next->prev = test_node; |
| 4363 | else parent->last = test_node; |
| 4364 | |
| 4365 | /* |
| 4366 | * Insert each potential child node and check if the parent is |
| 4367 | * still valid |
| 4368 | */ |
| 4369 | nb_elements = xmlValidGetPotentialChildren(element_desc->content, |
| 4370 | elements, &nb_elements, 256); |
| 4371 | |
| 4372 | for (i = 0;i < nb_elements;i++) { |
| 4373 | test_node->name = elements[i]; |
| 4374 | if (xmlValidateOneElement(NULL, parent->doc, parent)) { |
| 4375 | int j; |
| 4376 | |
| 4377 | for (j = 0; j < nb_valid_elements;j++) |
| 4378 | if (!xmlStrcmp(elements[i], list[j])) break; |
| 4379 | list[nb_valid_elements++] = elements[i]; |
| 4380 | if (nb_valid_elements >= max) break; |
| 4381 | } |
| 4382 | } |
| 4383 | |
| 4384 | /* |
| 4385 | * Restore the tree structure |
| 4386 | */ |
| 4387 | if (prev) prev->next = prev_next; |
| 4388 | if (next) next->prev = next_prev; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 4389 | parent->children = parent_childs; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 4390 | parent->last = parent_last; |
| 4391 | |
| 4392 | return(nb_valid_elements); |
| 4393 | } |