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 | |
| 10 | #include <stdio.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <string.h> |
| 13 | #include "valid.h" |
| 14 | #include "parser.h" |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 15 | #include "parserInternals.h" |
| 16 | |
| 17 | #define VERROR \ |
| 18 | if ((ctxt != NULL) && (ctxt->error != NULL)) ctxt->error |
| 19 | |
| 20 | #define VWARNING \ |
| 21 | if ((ctxt != NULL) && (ctxt->warning != NULL)) ctxt->warning |
| 22 | |
| 23 | #define CHECK_DTD \ |
| 24 | if (doc == NULL) return(0); \ |
| 25 | else if (doc->intSubset == NULL) return(0) |
| 26 | |
| 27 | xmlElementPtr xmlGetDtdElementDesc(xmlDtdPtr dtd, const CHAR *name); |
| 28 | xmlAttributePtr xmlScanAttributeDecl(xmlDtdPtr dtd, const CHAR *elem); |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 29 | |
| 30 | /**************************************************************** |
| 31 | * * |
| 32 | * Util functions for data allocation/deallocation * |
| 33 | * * |
| 34 | ****************************************************************/ |
| 35 | |
| 36 | /** |
| 37 | * xmlNewElementContent: |
| 38 | * @name: the subelement name or NULL |
| 39 | * @type: the type of element content decl |
| 40 | * |
| 41 | * Allocate an element content structure. |
| 42 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 43 | * Returns NULL if not, othervise the new element content structure |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 44 | */ |
| 45 | xmlElementContentPtr |
| 46 | xmlNewElementContent(CHAR *name, int type) { |
| 47 | xmlElementContentPtr ret; |
| 48 | |
| 49 | switch(type) { |
| 50 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 51 | if (name == NULL) { |
| 52 | fprintf(stderr, "xmlNewElementContent : name == NULL !\n"); |
| 53 | } |
| 54 | break; |
| 55 | case XML_ELEMENT_CONTENT_PCDATA: |
| 56 | case XML_ELEMENT_CONTENT_SEQ: |
| 57 | case XML_ELEMENT_CONTENT_OR: |
| 58 | if (name != NULL) { |
| 59 | fprintf(stderr, "xmlNewElementContent : name != NULL !\n"); |
| 60 | } |
| 61 | break; |
| 62 | default: |
| 63 | fprintf(stderr, "xmlNewElementContent: unknown type %d\n", type); |
| 64 | exit(1); |
| 65 | } |
| 66 | ret = (xmlElementContentPtr) malloc(sizeof(xmlElementContent)); |
| 67 | if (ret == NULL) { |
| 68 | fprintf(stderr, "xmlNewElementContent : out of memory!\n"); |
| 69 | return(NULL); |
| 70 | } |
| 71 | ret->type = type; |
| 72 | ret->ocur = XML_ELEMENT_CONTENT_ONCE; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 73 | if (name != NULL) |
| 74 | ret->name = xmlStrdup(name); |
| 75 | else |
| 76 | ret->name = NULL; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 77 | ret->c1 = ret->c2 = NULL; |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 78 | return(ret); |
| 79 | } |
| 80 | |
| 81 | /** |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 82 | * xmlCopyElementContent: |
| 83 | * @content: An element content pointer. |
| 84 | * |
| 85 | * Build a copy of an element content description. |
| 86 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 87 | * Returns the new xmlElementContentPtr or NULL in case of error. |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 88 | */ |
| 89 | xmlElementContentPtr |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 90 | xmlCopyElementContent(xmlElementContentPtr cur) { |
| 91 | xmlElementContentPtr ret; |
| 92 | |
| 93 | if (cur == NULL) return(NULL); |
| 94 | ret = xmlNewElementContent((CHAR *) cur->name, cur->type); |
Daniel Veillard | 14fff06 | 1999-06-22 21:49:07 +0000 | [diff] [blame] | 95 | if (ret == NULL) { |
| 96 | fprintf(stderr, "xmlCopyElementContent : out of memory\n"); |
| 97 | return(NULL); |
| 98 | } |
| 99 | ret->ocur = cur->ocur; |
| 100 | if (cur->c1 != NULL) ret->c1 = xmlCopyElementContent(cur->c1); |
| 101 | if (cur->c2 != NULL) ret->c2 = xmlCopyElementContent(cur->c2); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 102 | return(ret); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | /** |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 106 | * xmlFreeElementContent: |
| 107 | * @cur: the element content tree to free |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 108 | * |
| 109 | * Free an element content structure. This is a recursive call ! |
| 110 | */ |
| 111 | void |
| 112 | xmlFreeElementContent(xmlElementContentPtr cur) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 113 | if (cur == NULL) return; |
| 114 | if (cur->c1 != NULL) xmlFreeElementContent(cur->c1); |
| 115 | if (cur->c2 != NULL) xmlFreeElementContent(cur->c2); |
| 116 | if (cur->name != NULL) free((CHAR *) cur->name); |
| 117 | memset(cur, -1, sizeof(xmlElementContent)); |
| 118 | free(cur); |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 119 | } |
| 120 | |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 121 | /** |
| 122 | * xmlDumpElementContent: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 123 | * @buf: An XML buffer |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 124 | * @content: An element table |
| 125 | * @glob: 1 if one must print the englobing parenthesis, 0 otherwise |
| 126 | * |
| 127 | * 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] | 128 | */ |
| 129 | void |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 130 | xmlDumpElementContent(xmlBufferPtr buf, xmlElementContentPtr content, int glob) { |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 131 | if (content == NULL) return; |
| 132 | |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 133 | if (glob) xmlBufferWriteChar(buf, "("); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 134 | switch (content->type) { |
| 135 | case XML_ELEMENT_CONTENT_PCDATA: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 136 | xmlBufferWriteChar(buf, "#PCDATA"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 137 | break; |
| 138 | case XML_ELEMENT_CONTENT_ELEMENT: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 139 | xmlBufferWriteCHAR(buf, content->name); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 140 | break; |
| 141 | case XML_ELEMENT_CONTENT_SEQ: |
| 142 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 143 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 144 | xmlDumpElementContent(buf, content->c1, 1); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 145 | else |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 146 | xmlDumpElementContent(buf, content->c1, 0); |
| 147 | xmlBufferWriteChar(buf, " , "); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 148 | if (content->c2->type == XML_ELEMENT_CONTENT_OR) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 149 | xmlDumpElementContent(buf, content->c2, 1); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 150 | else |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 151 | xmlDumpElementContent(buf, content->c2, 0); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 152 | break; |
| 153 | case XML_ELEMENT_CONTENT_OR: |
| 154 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 155 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 156 | xmlDumpElementContent(buf, content->c1, 1); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 157 | else |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 158 | xmlDumpElementContent(buf, content->c1, 0); |
| 159 | xmlBufferWriteChar(buf, " | "); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 160 | if (content->c2->type == XML_ELEMENT_CONTENT_SEQ) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 161 | xmlDumpElementContent(buf, content->c2, 1); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 162 | else |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 163 | xmlDumpElementContent(buf, content->c2, 0); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 164 | break; |
| 165 | default: |
| 166 | fprintf(stderr, "xmlDumpElementContent: unknown type %d\n", |
| 167 | content->type); |
| 168 | } |
| 169 | if (glob) |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 170 | xmlBufferWriteChar(buf, ")"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 171 | switch (content->ocur) { |
| 172 | case XML_ELEMENT_CONTENT_ONCE: |
| 173 | break; |
| 174 | case XML_ELEMENT_CONTENT_OPT: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 175 | xmlBufferWriteChar(buf, "?"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 176 | break; |
| 177 | case XML_ELEMENT_CONTENT_MULT: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 178 | xmlBufferWriteChar(buf, "*"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 179 | break; |
| 180 | case XML_ELEMENT_CONTENT_PLUS: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 181 | xmlBufferWriteChar(buf, "+"); |
Daniel Veillard | 1899e85 | 1999-02-01 12:18:54 +0000 | [diff] [blame] | 182 | break; |
| 183 | } |
| 184 | } |
| 185 | |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 186 | /** |
| 187 | * xmlSprintfElementContent: |
| 188 | * @buf: an output buffer |
| 189 | * @content: An element table |
| 190 | * @glob: 1 if one must print the englobing parenthesis, 0 otherwise |
| 191 | * |
| 192 | * This will dump the content of the element content definition |
| 193 | * Intended just for the debug routine |
| 194 | */ |
| 195 | void |
| 196 | xmlSprintfElementContent(char *buf, xmlElementContentPtr content, int glob) { |
| 197 | if (content == NULL) return; |
| 198 | if (glob) strcat(buf, "("); |
| 199 | switch (content->type) { |
| 200 | case XML_ELEMENT_CONTENT_PCDATA: |
| 201 | strcat(buf, "#PCDATA"); |
| 202 | break; |
| 203 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 204 | strcat(buf, content->name); |
| 205 | break; |
| 206 | case XML_ELEMENT_CONTENT_SEQ: |
| 207 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 208 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
| 209 | xmlSprintfElementContent(buf, content->c1, 1); |
| 210 | else |
| 211 | xmlSprintfElementContent(buf, content->c1, 0); |
| 212 | strcat(buf, " , "); |
| 213 | if (content->c2->type == XML_ELEMENT_CONTENT_OR) |
| 214 | xmlSprintfElementContent(buf, content->c2, 1); |
| 215 | else |
| 216 | xmlSprintfElementContent(buf, content->c2, 0); |
| 217 | break; |
| 218 | case XML_ELEMENT_CONTENT_OR: |
| 219 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 220 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
| 221 | xmlSprintfElementContent(buf, content->c1, 1); |
| 222 | else |
| 223 | xmlSprintfElementContent(buf, content->c1, 0); |
| 224 | strcat(buf, " | "); |
| 225 | if (content->c2->type == XML_ELEMENT_CONTENT_SEQ) |
| 226 | xmlSprintfElementContent(buf, content->c2, 1); |
| 227 | else |
| 228 | xmlSprintfElementContent(buf, content->c2, 0); |
| 229 | break; |
| 230 | } |
| 231 | if (glob) |
| 232 | strcat(buf, ")"); |
| 233 | switch (content->ocur) { |
| 234 | case XML_ELEMENT_CONTENT_ONCE: |
| 235 | break; |
| 236 | case XML_ELEMENT_CONTENT_OPT: |
| 237 | strcat(buf, "?"); |
| 238 | break; |
| 239 | case XML_ELEMENT_CONTENT_MULT: |
| 240 | strcat(buf, "*"); |
| 241 | break; |
| 242 | case XML_ELEMENT_CONTENT_PLUS: |
| 243 | strcat(buf, "+"); |
| 244 | break; |
| 245 | } |
| 246 | } |
| 247 | |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 248 | /**************************************************************** |
| 249 | * * |
| 250 | * Registration of DTD declarations * |
| 251 | * * |
| 252 | ****************************************************************/ |
| 253 | |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 254 | /** |
| 255 | * xmlCreateElementTable: |
| 256 | * |
| 257 | * create and initialize an empty element hash table. |
| 258 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 259 | * Returns the xmlElementTablePtr just created or NULL in case of error. |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 260 | */ |
| 261 | xmlElementTablePtr |
| 262 | xmlCreateElementTable(void) { |
| 263 | xmlElementTablePtr ret; |
| 264 | |
| 265 | ret = (xmlElementTablePtr) |
| 266 | malloc(sizeof(xmlElementTable)); |
| 267 | if (ret == NULL) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 268 | fprintf(stderr, "xmlCreateElementTable : malloc(%ld) failed\n", |
| 269 | (long)sizeof(xmlElementTable)); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 270 | return(NULL); |
| 271 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 272 | ret->max_elements = XML_MIN_ELEMENT_TABLE; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 273 | ret->nb_elements = 0; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 274 | ret->table = (xmlElementPtr *) |
| 275 | malloc(ret->max_elements * sizeof(xmlElementPtr)); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 276 | if (ret == NULL) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 277 | fprintf(stderr, "xmlCreateElementTable : malloc(%ld) failed\n", |
| 278 | ret->max_elements * (long)sizeof(xmlElement)); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 279 | free(ret); |
| 280 | return(NULL); |
| 281 | } |
| 282 | return(ret); |
| 283 | } |
| 284 | |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 285 | |
| 286 | /** |
| 287 | * xmlAddElementDecl: |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 288 | * @dtd: pointer to the DTD |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 289 | * @name: the entity name |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 290 | * @type: the element type |
| 291 | * @content: the element content tree or NULL |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 292 | * |
| 293 | * Register a new element declaration |
| 294 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 295 | * Returns NULL if not, othervise the entity |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 296 | */ |
| 297 | xmlElementPtr |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 298 | xmlAddElementDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const CHAR *name, |
| 299 | int type, xmlElementContentPtr content) { |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 300 | xmlElementPtr ret, cur; |
| 301 | xmlElementTablePtr table; |
| 302 | int i; |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 303 | |
| 304 | if (dtd == NULL) { |
| 305 | fprintf(stderr, "xmlAddElementDecl: dtd == NULL\n"); |
| 306 | return(NULL); |
| 307 | } |
| 308 | if (name == NULL) { |
| 309 | fprintf(stderr, "xmlAddElementDecl: name == NULL\n"); |
| 310 | return(NULL); |
| 311 | } |
| 312 | switch (type) { |
| 313 | case XML_ELEMENT_TYPE_EMPTY: |
| 314 | if (content != NULL) { |
| 315 | fprintf(stderr, |
| 316 | "xmlAddElementDecl: content != NULL for EMPTY\n"); |
| 317 | return(NULL); |
| 318 | } |
| 319 | break; |
| 320 | case XML_ELEMENT_TYPE_ANY: |
| 321 | if (content != NULL) { |
| 322 | fprintf(stderr, |
| 323 | "xmlAddElementDecl: content != NULL for ANY\n"); |
| 324 | return(NULL); |
| 325 | } |
| 326 | break; |
| 327 | case XML_ELEMENT_TYPE_MIXED: |
| 328 | if (content == NULL) { |
| 329 | fprintf(stderr, |
| 330 | "xmlAddElementDecl: content == NULL for MIXED\n"); |
| 331 | return(NULL); |
| 332 | } |
| 333 | break; |
| 334 | case XML_ELEMENT_TYPE_ELEMENT: |
| 335 | if (content == NULL) { |
| 336 | fprintf(stderr, |
| 337 | "xmlAddElementDecl: content == NULL for ELEMENT\n"); |
| 338 | return(NULL); |
| 339 | } |
| 340 | break; |
| 341 | default: |
| 342 | fprintf(stderr, "xmlAddElementDecl: unknown type %d\n", type); |
| 343 | return(NULL); |
| 344 | } |
| 345 | |
| 346 | /* |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 347 | * Create the Element table if needed. |
| 348 | */ |
| 349 | table = dtd->elements; |
| 350 | if (table == NULL) |
| 351 | table = dtd->elements = xmlCreateElementTable(); |
| 352 | if (table == NULL) { |
| 353 | fprintf(stderr, "xmlAddElementDecl: Table creation failed!\n"); |
| 354 | return(NULL); |
| 355 | } |
| 356 | |
| 357 | /* |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 358 | * Validity Check: |
| 359 | * Search the DTD for previous declarations of the ELEMENT |
| 360 | */ |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 361 | for (i = 0;i < table->nb_elements;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 362 | cur = table->table[i]; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 363 | if (!xmlStrcmp(cur->name, name)) { |
| 364 | /* |
| 365 | * The element is already defined in this Dtd. |
| 366 | */ |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 367 | VERROR(ctxt->userData, "Redefinition of element %s\n", name); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 368 | return(NULL); |
| 369 | } |
| 370 | } |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 371 | |
| 372 | /* |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 373 | * Grow the table, if needed. |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 374 | */ |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 375 | if (table->nb_elements >= table->max_elements) { |
| 376 | /* |
| 377 | * need more elements. |
| 378 | */ |
| 379 | table->max_elements *= 2; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 380 | table->table = (xmlElementPtr *) |
| 381 | realloc(table->table, table->max_elements * sizeof(xmlElementPtr)); |
| 382 | if (table->table == NULL) { |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 383 | fprintf(stderr, "xmlAddElementDecl: out of memory\n"); |
| 384 | return(NULL); |
| 385 | } |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 386 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 387 | ret = (xmlElementPtr) malloc(sizeof(xmlElement)); |
| 388 | if (ret == NULL) { |
| 389 | fprintf(stderr, "xmlAddElementDecl: out of memory\n"); |
| 390 | return(NULL); |
| 391 | } |
| 392 | table->table[table->nb_elements] = ret; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 393 | |
| 394 | /* |
| 395 | * fill the structure. |
| 396 | */ |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 397 | ret->type = type; |
| 398 | ret->name = xmlStrdup(name); |
Daniel Veillard | 14fff06 | 1999-06-22 21:49:07 +0000 | [diff] [blame] | 399 | ret->content = xmlCopyElementContent(content); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 400 | ret->attributes = xmlScanAttributeDecl(dtd, name); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 401 | table->nb_elements++; |
Daniel Veillard | 39a1f9a | 1999-01-17 19:11:59 +0000 | [diff] [blame] | 402 | |
| 403 | return(ret); |
| 404 | } |
| 405 | |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 406 | /** |
| 407 | * xmlFreeElement: |
| 408 | * @elem: An element |
| 409 | * |
| 410 | * Deallocate the memory used by an element definition |
| 411 | */ |
| 412 | void |
| 413 | xmlFreeElement(xmlElementPtr elem) { |
| 414 | if (elem == NULL) return; |
| 415 | xmlFreeElementContent(elem->content); |
| 416 | if (elem->name != NULL) |
| 417 | free((CHAR *) elem->name); |
| 418 | memset(elem, -1, sizeof(xmlElement)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 419 | free(elem); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | /** |
| 423 | * xmlFreeElementTable: |
| 424 | * @table: An element table |
| 425 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 426 | * Deallocate the memory used by an element hash table. |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 427 | */ |
| 428 | void |
| 429 | xmlFreeElementTable(xmlElementTablePtr table) { |
| 430 | int i; |
| 431 | |
| 432 | if (table == NULL) return; |
| 433 | |
| 434 | for (i = 0;i < table->nb_elements;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 435 | xmlFreeElement(table->table[i]); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 436 | } |
| 437 | free(table->table); |
| 438 | free(table); |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * xmlCopyElementTable: |
| 443 | * @table: An element table |
| 444 | * |
| 445 | * Build a copy of an element table. |
| 446 | * |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 447 | * Returns the new xmlElementTablePtr or NULL in case of error. |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 448 | */ |
| 449 | xmlElementTablePtr |
| 450 | xmlCopyElementTable(xmlElementTablePtr table) { |
| 451 | xmlElementTablePtr ret; |
| 452 | xmlElementPtr cur, ent; |
| 453 | int i; |
| 454 | |
| 455 | ret = (xmlElementTablePtr) malloc(sizeof(xmlElementTable)); |
| 456 | if (ret == NULL) { |
| 457 | fprintf(stderr, "xmlCopyElementTable: out of memory !\n"); |
| 458 | return(NULL); |
| 459 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 460 | ret->table = (xmlElementPtr *) malloc(table->max_elements * |
| 461 | sizeof(xmlElementPtr)); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 462 | if (ret->table == NULL) { |
| 463 | fprintf(stderr, "xmlCopyElementTable: out of memory !\n"); |
| 464 | free(ret); |
| 465 | return(NULL); |
| 466 | } |
| 467 | ret->max_elements = table->max_elements; |
| 468 | ret->nb_elements = table->nb_elements; |
| 469 | for (i = 0;i < ret->nb_elements;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 470 | cur = (xmlElementPtr) malloc(sizeof(xmlElement)); |
| 471 | if (cur == NULL) { |
| 472 | fprintf(stderr, "xmlCopyElementTable: out of memory !\n"); |
| 473 | free(ret); |
| 474 | free(ret->table); |
| 475 | return(NULL); |
| 476 | } |
| 477 | ret->table[i] = cur; |
| 478 | ent = table->table[i]; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 479 | cur->type = ent->type; |
| 480 | if (ent->name != NULL) |
| 481 | cur->name = xmlStrdup(ent->name); |
| 482 | else |
| 483 | cur->name = NULL; |
| 484 | cur->content = xmlCopyElementContent(ent->content); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 485 | cur->attributes = NULL; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 486 | } |
| 487 | return(ret); |
| 488 | } |
| 489 | |
| 490 | /** |
| 491 | * xmlDumpElementTable: |
Daniel Veillard | 011b63c | 1999-06-02 17:44:04 +0000 | [diff] [blame] | 492 | * @buf: the XML buffer output |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 493 | * @table: An element table |
| 494 | * |
| 495 | * 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] | 496 | */ |
| 497 | void |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 498 | xmlDumpElementTable(xmlBufferPtr buf, xmlElementTablePtr table) { |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 499 | int i; |
| 500 | xmlElementPtr cur; |
| 501 | |
| 502 | if (table == NULL) return; |
| 503 | |
| 504 | for (i = 0;i < table->nb_elements;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 505 | cur = table->table[i]; |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 506 | switch (cur->type) { |
| 507 | case XML_ELEMENT_TYPE_EMPTY: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 508 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
| 509 | xmlBufferWriteCHAR(buf, cur->name); |
| 510 | xmlBufferWriteChar(buf, " EMPTY>\n"); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 511 | break; |
| 512 | case XML_ELEMENT_TYPE_ANY: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 513 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
| 514 | xmlBufferWriteCHAR(buf, cur->name); |
| 515 | xmlBufferWriteChar(buf, " ANY>\n"); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 516 | break; |
| 517 | case XML_ELEMENT_TYPE_MIXED: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 518 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
| 519 | xmlBufferWriteCHAR(buf, cur->name); |
| 520 | xmlBufferWriteChar(buf, " "); |
| 521 | xmlDumpElementContent(buf, cur->content, 1); |
| 522 | xmlBufferWriteChar(buf, ">\n"); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 523 | break; |
| 524 | case XML_ELEMENT_TYPE_ELEMENT: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 525 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
| 526 | xmlBufferWriteCHAR(buf, cur->name); |
| 527 | xmlBufferWriteChar(buf, " "); |
| 528 | xmlDumpElementContent(buf, cur->content, 1); |
| 529 | xmlBufferWriteChar(buf, ">\n"); |
Daniel Veillard | 3b9def1 | 1999-01-31 22:15:06 +0000 | [diff] [blame] | 530 | break; |
| 531 | default: |
| 532 | fprintf(stderr, |
| 533 | "xmlDumpElementTable: internal: unknown type %d\n", |
| 534 | cur->type); |
| 535 | } |
| 536 | } |
| 537 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 538 | |
| 539 | /** |
| 540 | * xmlCreateEnumeration: |
| 541 | * @name: the enumeration name or NULL |
| 542 | * |
| 543 | * create and initialize an enumeration attribute node. |
| 544 | * |
| 545 | * Returns the xmlEnumerationPtr just created or NULL in case |
| 546 | * of error. |
| 547 | */ |
| 548 | xmlEnumerationPtr |
| 549 | xmlCreateEnumeration(CHAR *name) { |
| 550 | xmlEnumerationPtr ret; |
| 551 | |
| 552 | ret = (xmlEnumerationPtr) malloc(sizeof(xmlEnumeration)); |
| 553 | if (ret == NULL) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 554 | fprintf(stderr, "xmlCreateEnumeration : malloc(%ld) failed\n", |
| 555 | (long)sizeof(xmlEnumeration)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 556 | return(NULL); |
| 557 | } |
| 558 | |
| 559 | if (name != NULL) |
| 560 | ret->name = xmlStrdup(name); |
| 561 | else |
| 562 | ret->name = NULL; |
| 563 | ret->next = NULL; |
| 564 | return(ret); |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * xmlFreeEnumeration: |
| 569 | * @cur: the tree to free. |
| 570 | * |
| 571 | * free an enumeration attribute node (recursive). |
| 572 | */ |
| 573 | void |
| 574 | xmlFreeEnumeration(xmlEnumerationPtr cur) { |
| 575 | if (cur == NULL) return; |
| 576 | |
| 577 | if (cur->next != NULL) xmlFreeEnumeration(cur->next); |
| 578 | |
| 579 | if (cur->name != NULL) free((CHAR *) cur->name); |
| 580 | memset(cur, -1, sizeof(xmlEnumeration)); |
| 581 | free(cur); |
| 582 | } |
| 583 | |
| 584 | /** |
| 585 | * xmlCopyEnumeration: |
| 586 | * @cur: the tree to copy. |
| 587 | * |
| 588 | * Copy an enumeration attribute node (recursive). |
| 589 | * |
| 590 | * Returns the xmlEnumerationPtr just created or NULL in case |
| 591 | * of error. |
| 592 | */ |
| 593 | xmlEnumerationPtr |
| 594 | xmlCopyEnumeration(xmlEnumerationPtr cur) { |
| 595 | xmlEnumerationPtr ret; |
| 596 | |
| 597 | if (cur == NULL) return(NULL); |
| 598 | ret = xmlCreateEnumeration((CHAR *) cur->name); |
| 599 | |
| 600 | if (cur->next != NULL) ret->next = xmlCopyEnumeration(cur->next); |
| 601 | else ret->next = NULL; |
| 602 | |
| 603 | return(ret); |
| 604 | } |
| 605 | |
| 606 | /** |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 607 | * xmlDumpEnumeration: |
| 608 | * @buf: the XML buffer output |
| 609 | * @enum: An enumeration |
| 610 | * |
| 611 | * This will dump the content of the enumeration |
| 612 | */ |
| 613 | void |
| 614 | xmlDumpEnumeration(xmlBufferPtr buf, xmlEnumerationPtr cur) { |
| 615 | if (cur == NULL) return; |
| 616 | |
| 617 | xmlBufferWriteCHAR(buf, cur->name); |
| 618 | if (cur->next == NULL) |
| 619 | xmlBufferWriteChar(buf, ")"); |
| 620 | else { |
| 621 | xmlBufferWriteChar(buf, " | "); |
| 622 | xmlDumpEnumeration(buf, cur->next); |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | /** |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 627 | * xmlCreateAttributeTable: |
| 628 | * |
| 629 | * create and initialize an empty attribute hash table. |
| 630 | * |
| 631 | * Returns the xmlAttributeTablePtr just created or NULL in case |
| 632 | * of error. |
| 633 | */ |
| 634 | xmlAttributeTablePtr |
| 635 | xmlCreateAttributeTable(void) { |
| 636 | xmlAttributeTablePtr ret; |
| 637 | |
| 638 | ret = (xmlAttributeTablePtr) |
| 639 | malloc(sizeof(xmlAttributeTable)); |
| 640 | if (ret == NULL) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 641 | fprintf(stderr, "xmlCreateAttributeTable : malloc(%ld) failed\n", |
| 642 | (long)sizeof(xmlAttributeTable)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 643 | return(NULL); |
| 644 | } |
| 645 | ret->max_attributes = XML_MIN_ATTRIBUTE_TABLE; |
| 646 | ret->nb_attributes = 0; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 647 | ret->table = (xmlAttributePtr *) |
| 648 | malloc(ret->max_attributes * sizeof(xmlAttributePtr)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 649 | if (ret == NULL) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 650 | fprintf(stderr, "xmlCreateAttributeTable : malloc(%ld) failed\n", |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 651 | ret->max_attributes * (long)sizeof(xmlAttributePtr)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 652 | free(ret); |
| 653 | return(NULL); |
| 654 | } |
| 655 | return(ret); |
| 656 | } |
| 657 | |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 658 | /** |
| 659 | * xmlScanAttributeDecl: |
| 660 | * @dtd: pointer to the DTD |
| 661 | * @elem: the element name |
| 662 | * |
| 663 | * When inserting a new element scan the DtD for existing attributes |
| 664 | * for taht element and initialize the Attribute chain |
| 665 | * |
| 666 | * Returns the pointer to the first attribute decl in the chain, |
| 667 | * possibly NULL. |
| 668 | */ |
| 669 | xmlAttributePtr |
| 670 | xmlScanAttributeDecl(xmlDtdPtr dtd, const CHAR *elem) { |
| 671 | xmlAttributePtr ret = NULL; |
| 672 | xmlAttributeTablePtr table; |
| 673 | int i; |
| 674 | |
| 675 | if (dtd == NULL) { |
| 676 | fprintf(stderr, "xmlScanAttributeDecl: dtd == NULL\n"); |
| 677 | return(NULL); |
| 678 | } |
| 679 | if (elem == NULL) { |
| 680 | fprintf(stderr, "xmlScanAttributeDecl: elem == NULL\n"); |
| 681 | return(NULL); |
| 682 | } |
| 683 | table = dtd->attributes; |
| 684 | if (table == NULL) |
| 685 | return(NULL); |
| 686 | |
| 687 | for (i = 0;i < table->nb_attributes;i++) { |
| 688 | if (!xmlStrcmp(table->table[i]->elem, elem)) { |
| 689 | table->table[i]->next = ret; |
| 690 | ret = table->table[i]; |
| 691 | } |
| 692 | } |
| 693 | return(ret); |
| 694 | } |
| 695 | |
| 696 | /** |
| 697 | * xmlScanIDAttributeDecl: |
| 698 | * @ctxt: the validation context |
| 699 | * @elem: the element name |
| 700 | * |
| 701 | * Veryfy that the element don't have too many ID attributes |
| 702 | * declared. |
| 703 | * |
| 704 | * Returns the number of ID attributes found. |
| 705 | */ |
| 706 | int |
| 707 | xmlScanIDAttributeDecl(xmlValidCtxtPtr ctxt, xmlElementPtr elem) { |
| 708 | xmlAttributePtr cur; |
| 709 | int ret = 0; |
| 710 | |
| 711 | if (elem == NULL) return(0); |
| 712 | cur = elem->attributes; |
| 713 | while (cur != NULL) { |
| 714 | if (cur->type == XML_ATTRIBUTE_ID) { |
| 715 | ret ++; |
| 716 | if (ret > 1) |
| 717 | VERROR(ctxt->userData, |
| 718 | "Element %s has too may ID attributes defined : %s\n", |
| 719 | elem->name, cur->name); |
| 720 | } |
| 721 | cur = cur->next; |
| 722 | } |
| 723 | return(ret); |
| 724 | } |
| 725 | |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 726 | |
| 727 | /** |
| 728 | * xmlAddAttributeDecl: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 729 | * @ctxt: the validation context |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 730 | * @dtd: pointer to the DTD |
| 731 | * @elem: the element name |
| 732 | * @name: the attribute name |
| 733 | * @type: the attribute type |
| 734 | * @def: the attribute default type |
| 735 | * @defaultValue: the attribute default value |
| 736 | * @tree: if it's an enumeration, the associated list |
| 737 | * |
| 738 | * Register a new attribute declaration |
| 739 | * |
| 740 | * Returns NULL if not, othervise the entity |
| 741 | */ |
| 742 | xmlAttributePtr |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 743 | xmlAddAttributeDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const CHAR *elem, |
| 744 | const CHAR *name, int type, int def, |
| 745 | const CHAR *defaultValue, xmlEnumerationPtr tree) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 746 | xmlAttributePtr ret, cur; |
| 747 | xmlAttributeTablePtr table; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 748 | xmlElementPtr elemDef; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 749 | int i; |
| 750 | |
| 751 | if (dtd == NULL) { |
| 752 | fprintf(stderr, "xmlAddAttributeDecl: dtd == NULL\n"); |
| 753 | return(NULL); |
| 754 | } |
| 755 | if (name == NULL) { |
| 756 | fprintf(stderr, "xmlAddAttributeDecl: name == NULL\n"); |
| 757 | return(NULL); |
| 758 | } |
| 759 | if (elem == NULL) { |
| 760 | fprintf(stderr, "xmlAddAttributeDecl: elem == NULL\n"); |
| 761 | return(NULL); |
| 762 | } |
| 763 | /* TODO: Lacks verifications !!! */ |
| 764 | switch (type) { |
| 765 | case XML_ATTRIBUTE_CDATA: |
| 766 | break; |
| 767 | case XML_ATTRIBUTE_ID: |
| 768 | break; |
| 769 | case XML_ATTRIBUTE_IDREF: |
| 770 | break; |
| 771 | case XML_ATTRIBUTE_IDREFS: |
| 772 | break; |
| 773 | case XML_ATTRIBUTE_ENTITY: |
| 774 | break; |
| 775 | case XML_ATTRIBUTE_ENTITIES: |
| 776 | break; |
| 777 | case XML_ATTRIBUTE_NMTOKEN: |
| 778 | break; |
| 779 | case XML_ATTRIBUTE_NMTOKENS: |
| 780 | break; |
| 781 | case XML_ATTRIBUTE_ENUMERATION: |
| 782 | break; |
| 783 | case XML_ATTRIBUTE_NOTATION: |
| 784 | break; |
| 785 | default: |
| 786 | fprintf(stderr, "xmlAddAttributeDecl: unknown type %d\n", type); |
| 787 | return(NULL); |
| 788 | } |
| 789 | |
| 790 | /* |
| 791 | * Create the Attribute table if needed. |
| 792 | */ |
| 793 | table = dtd->attributes; |
| 794 | if (table == NULL) |
| 795 | table = dtd->attributes = xmlCreateAttributeTable(); |
| 796 | if (table == NULL) { |
| 797 | fprintf(stderr, "xmlAddAttributeDecl: Table creation failed!\n"); |
| 798 | return(NULL); |
| 799 | } |
| 800 | |
| 801 | /* |
| 802 | * Validity Check: |
| 803 | * Search the DTD for previous declarations of the ATTLIST |
| 804 | */ |
| 805 | for (i = 0;i < table->nb_attributes;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 806 | cur = table->table[i]; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 807 | if ((!xmlStrcmp(cur->name, name)) && (!xmlStrcmp(cur->elem, elem))) { |
| 808 | /* |
| 809 | * The attribute is already defined in this Dtd. |
| 810 | */ |
| 811 | fprintf(stderr, |
| 812 | "xmlAddAttributeDecl: %s already defined\n", name); |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | /* |
| 817 | * Grow the table, if needed. |
| 818 | */ |
| 819 | if (table->nb_attributes >= table->max_attributes) { |
| 820 | /* |
| 821 | * need more attributes. |
| 822 | */ |
| 823 | table->max_attributes *= 2; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 824 | table->table = (xmlAttributePtr *) |
| 825 | realloc(table->table, table->max_attributes * |
| 826 | sizeof(xmlAttributePtr)); |
| 827 | if (table->table == NULL) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 828 | fprintf(stderr, "xmlAddAttributeDecl: out of memory\n"); |
| 829 | return(NULL); |
| 830 | } |
| 831 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 832 | ret = (xmlAttributePtr) malloc(sizeof(xmlAttribute)); |
| 833 | if (ret == NULL) { |
| 834 | fprintf(stderr, "xmlAddAttributeDecl: out of memory\n"); |
| 835 | return(NULL); |
| 836 | } |
| 837 | table->table[table->nb_attributes] = ret; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 838 | |
| 839 | /* |
| 840 | * fill the structure. |
| 841 | */ |
| 842 | ret->type = type; |
| 843 | ret->name = xmlStrdup(name); |
| 844 | ret->elem = xmlStrdup(elem); |
| 845 | ret->def = def; |
| 846 | ret->tree = tree; |
| 847 | if (defaultValue != NULL) |
| 848 | ret->defaultValue = xmlStrdup(defaultValue); |
| 849 | else |
| 850 | ret->defaultValue = NULL; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 851 | elemDef = xmlGetDtdElementDesc(dtd, elem); |
| 852 | if (elemDef != NULL) { |
| 853 | if ((type == XML_ATTRIBUTE_ID) && |
| 854 | (xmlScanIDAttributeDecl(NULL, elemDef) != 0)) |
| 855 | VERROR(ctxt->userData, |
| 856 | "Element %s has too may ID attributes defined : %s\n", |
| 857 | elem, name); |
| 858 | ret->next = elemDef->attributes; |
| 859 | elemDef->attributes = ret; |
| 860 | } |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 861 | table->nb_attributes++; |
| 862 | |
| 863 | return(ret); |
| 864 | } |
| 865 | |
| 866 | /** |
| 867 | * xmlFreeAttribute: |
| 868 | * @elem: An attribute |
| 869 | * |
| 870 | * Deallocate the memory used by an attribute definition |
| 871 | */ |
| 872 | void |
| 873 | xmlFreeAttribute(xmlAttributePtr attr) { |
| 874 | if (attr == NULL) return; |
| 875 | if (attr->tree != NULL) |
| 876 | xmlFreeEnumeration(attr->tree); |
| 877 | if (attr->elem != NULL) |
| 878 | free((CHAR *) attr->elem); |
| 879 | if (attr->name != NULL) |
| 880 | free((CHAR *) attr->name); |
| 881 | if (attr->defaultValue != NULL) |
| 882 | free((CHAR *) attr->defaultValue); |
| 883 | memset(attr, -1, sizeof(xmlAttribute)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 884 | free(attr); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 885 | } |
| 886 | |
| 887 | /** |
| 888 | * xmlFreeAttributeTable: |
| 889 | * @table: An attribute table |
| 890 | * |
| 891 | * Deallocate the memory used by an entities hash table. |
| 892 | */ |
| 893 | void |
| 894 | xmlFreeAttributeTable(xmlAttributeTablePtr table) { |
| 895 | int i; |
| 896 | |
| 897 | if (table == NULL) return; |
| 898 | |
| 899 | for (i = 0;i < table->nb_attributes;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 900 | xmlFreeAttribute(table->table[i]); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 901 | } |
| 902 | free(table->table); |
| 903 | free(table); |
| 904 | } |
| 905 | |
| 906 | /** |
| 907 | * xmlCopyAttributeTable: |
| 908 | * @table: An attribute table |
| 909 | * |
| 910 | * Build a copy of an attribute table. |
| 911 | * |
| 912 | * Returns the new xmlAttributeTablePtr or NULL in case of error. |
| 913 | */ |
| 914 | xmlAttributeTablePtr |
| 915 | xmlCopyAttributeTable(xmlAttributeTablePtr table) { |
| 916 | xmlAttributeTablePtr ret; |
| 917 | xmlAttributePtr cur, attr; |
| 918 | int i; |
| 919 | |
| 920 | ret = (xmlAttributeTablePtr) malloc(sizeof(xmlAttributeTable)); |
| 921 | if (ret == NULL) { |
| 922 | fprintf(stderr, "xmlCopyAttributeTable: out of memory !\n"); |
| 923 | return(NULL); |
| 924 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 925 | ret->table = (xmlAttributePtr *) malloc(table->max_attributes * |
| 926 | sizeof(xmlAttributePtr)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 927 | if (ret->table == NULL) { |
| 928 | fprintf(stderr, "xmlCopyAttributeTable: out of memory !\n"); |
| 929 | free(ret); |
| 930 | return(NULL); |
| 931 | } |
| 932 | ret->max_attributes = table->max_attributes; |
| 933 | ret->nb_attributes = table->nb_attributes; |
| 934 | for (i = 0;i < ret->nb_attributes;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 935 | attr = table->table[i]; |
| 936 | cur = (xmlAttributePtr) malloc(sizeof(xmlAttribute)); |
| 937 | if (cur == NULL) { |
| 938 | fprintf(stderr, "xmlCopyAttributeTable: out of memory !\n"); |
| 939 | free(ret); |
| 940 | free(ret->table); |
| 941 | return(NULL); |
| 942 | } |
| 943 | ret->table[i] = cur; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 944 | cur->type = attr->type; |
| 945 | cur->def = attr->def; |
| 946 | cur->tree = xmlCopyEnumeration(attr->tree); |
| 947 | if (attr->elem != NULL) |
| 948 | cur->elem = xmlStrdup(attr->elem); |
| 949 | else |
| 950 | cur->elem = NULL; |
| 951 | if (attr->name != NULL) |
| 952 | cur->name = xmlStrdup(attr->name); |
| 953 | else |
| 954 | cur->name = NULL; |
| 955 | if (attr->defaultValue != NULL) |
| 956 | cur->defaultValue = xmlStrdup(attr->defaultValue); |
| 957 | else |
| 958 | cur->defaultValue = NULL; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 959 | /* NEED to rebuild the next chain !!!!!! */ |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 960 | } |
| 961 | return(ret); |
| 962 | } |
| 963 | |
| 964 | /** |
| 965 | * xmlDumpAttributeTable: |
Daniel Veillard | 011b63c | 1999-06-02 17:44:04 +0000 | [diff] [blame] | 966 | * @buf: the XML buffer output |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 967 | * @table: An attribute table |
| 968 | * |
| 969 | * 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] | 970 | */ |
| 971 | void |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 972 | xmlDumpAttributeTable(xmlBufferPtr buf, xmlAttributeTablePtr table) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 973 | int i; |
| 974 | xmlAttributePtr cur; |
| 975 | |
| 976 | if (table == NULL) return; |
| 977 | |
| 978 | for (i = 0;i < table->nb_attributes;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 979 | cur = table->table[i]; |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 980 | xmlBufferWriteChar(buf, "<!ATTLIST "); |
| 981 | xmlBufferWriteCHAR(buf, cur->elem); |
| 982 | xmlBufferWriteChar(buf, " "); |
| 983 | xmlBufferWriteCHAR(buf, cur->name); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 984 | switch (cur->type) { |
| 985 | case XML_ATTRIBUTE_CDATA: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 986 | xmlBufferWriteChar(buf, " CDATA"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 987 | break; |
| 988 | case XML_ATTRIBUTE_ID: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 989 | xmlBufferWriteChar(buf, " ID"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 990 | break; |
| 991 | case XML_ATTRIBUTE_IDREF: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 992 | xmlBufferWriteChar(buf, " IDREF"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 993 | break; |
| 994 | case XML_ATTRIBUTE_IDREFS: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 995 | xmlBufferWriteChar(buf, " IDREFS"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 996 | break; |
| 997 | case XML_ATTRIBUTE_ENTITY: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 998 | xmlBufferWriteChar(buf, " ENTITY"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 999 | break; |
| 1000 | case XML_ATTRIBUTE_ENTITIES: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1001 | xmlBufferWriteChar(buf, " ENTITIES"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1002 | break; |
| 1003 | case XML_ATTRIBUTE_NMTOKEN: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1004 | xmlBufferWriteChar(buf, " NMTOKEN"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1005 | break; |
| 1006 | case XML_ATTRIBUTE_NMTOKENS: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1007 | xmlBufferWriteChar(buf, " NMTOKENS"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1008 | break; |
| 1009 | case XML_ATTRIBUTE_ENUMERATION: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1010 | xmlBufferWriteChar(buf, " ("); |
| 1011 | xmlDumpEnumeration(buf, cur->tree); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1012 | break; |
| 1013 | case XML_ATTRIBUTE_NOTATION: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1014 | xmlBufferWriteChar(buf, " NOTATION ("); |
| 1015 | xmlDumpEnumeration(buf, cur->tree); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1016 | break; |
| 1017 | default: |
| 1018 | fprintf(stderr, |
| 1019 | "xmlDumpAttributeTable: internal: unknown type %d\n", |
| 1020 | cur->type); |
| 1021 | } |
| 1022 | switch (cur->def) { |
| 1023 | case XML_ATTRIBUTE_NONE: |
| 1024 | break; |
| 1025 | case XML_ATTRIBUTE_REQUIRED: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1026 | xmlBufferWriteChar(buf, " #REQUIRED"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1027 | break; |
| 1028 | case XML_ATTRIBUTE_IMPLIED: |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1029 | xmlBufferWriteChar(buf, " #IMPLIED"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1030 | break; |
| 1031 | case XML_ATTRIBUTE_FIXED: |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1032 | xmlBufferWriteChar(buf, " #FIXED"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1033 | break; |
| 1034 | default: |
| 1035 | fprintf(stderr, |
| 1036 | "xmlDumpAttributeTable: internal: unknown default %d\n", |
| 1037 | cur->def); |
| 1038 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1039 | if (cur->defaultValue != NULL) { |
| 1040 | xmlBufferWriteChar(buf, " "); |
| 1041 | xmlBufferWriteQuotedString(buf, cur->defaultValue); |
| 1042 | } |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1043 | xmlBufferWriteChar(buf, ">\n"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1044 | } |
| 1045 | } |
| 1046 | |
| 1047 | /************************************************************************ |
| 1048 | * * |
| 1049 | * NOTATIONs * |
| 1050 | * * |
| 1051 | ************************************************************************/ |
| 1052 | /** |
| 1053 | * xmlCreateNotationTable: |
| 1054 | * |
| 1055 | * create and initialize an empty notation hash table. |
| 1056 | * |
| 1057 | * Returns the xmlNotationTablePtr just created or NULL in case |
| 1058 | * of error. |
| 1059 | */ |
| 1060 | xmlNotationTablePtr |
| 1061 | xmlCreateNotationTable(void) { |
| 1062 | xmlNotationTablePtr ret; |
| 1063 | |
| 1064 | ret = (xmlNotationTablePtr) |
| 1065 | malloc(sizeof(xmlNotationTable)); |
| 1066 | if (ret == NULL) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1067 | fprintf(stderr, "xmlCreateNotationTable : malloc(%ld) failed\n", |
| 1068 | (long)sizeof(xmlNotationTable)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1069 | return(NULL); |
| 1070 | } |
| 1071 | ret->max_notations = XML_MIN_NOTATION_TABLE; |
| 1072 | ret->nb_notations = 0; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1073 | ret->table = (xmlNotationPtr *) |
| 1074 | malloc(ret->max_notations * sizeof(xmlNotationPtr)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1075 | if (ret == NULL) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1076 | fprintf(stderr, "xmlCreateNotationTable : malloc(%ld) failed\n", |
| 1077 | ret->max_notations * (long)sizeof(xmlNotation)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1078 | free(ret); |
| 1079 | return(NULL); |
| 1080 | } |
| 1081 | return(ret); |
| 1082 | } |
| 1083 | |
| 1084 | |
| 1085 | /** |
| 1086 | * xmlAddNotationDecl: |
| 1087 | * @dtd: pointer to the DTD |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1088 | * @ctxt: the validation context |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1089 | * @name: the entity name |
| 1090 | * @PublicID: the public identifier or NULL |
| 1091 | * @SystemID: the system identifier or NULL |
| 1092 | * |
| 1093 | * Register a new notation declaration |
| 1094 | * |
| 1095 | * Returns NULL if not, othervise the entity |
| 1096 | */ |
| 1097 | xmlNotationPtr |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1098 | xmlAddNotationDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const CHAR *name, |
| 1099 | const CHAR *PublicID, const CHAR *SystemID) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1100 | xmlNotationPtr ret, cur; |
| 1101 | xmlNotationTablePtr table; |
| 1102 | int i; |
| 1103 | |
| 1104 | if (dtd == NULL) { |
| 1105 | fprintf(stderr, "xmlAddNotationDecl: dtd == NULL\n"); |
| 1106 | return(NULL); |
| 1107 | } |
| 1108 | if (name == NULL) { |
| 1109 | fprintf(stderr, "xmlAddNotationDecl: name == NULL\n"); |
| 1110 | return(NULL); |
| 1111 | } |
| 1112 | if ((PublicID == NULL) && (SystemID == NULL)) { |
| 1113 | fprintf(stderr, "xmlAddNotationDecl: no PUBLIC ID nor SYSTEM ID\n"); |
| 1114 | } |
| 1115 | |
| 1116 | /* |
| 1117 | * Create the Notation table if needed. |
| 1118 | */ |
| 1119 | table = dtd->notations; |
| 1120 | if (table == NULL) |
| 1121 | table = dtd->notations = xmlCreateNotationTable(); |
| 1122 | if (table == NULL) { |
| 1123 | fprintf(stderr, "xmlAddNotationDecl: Table creation failed!\n"); |
| 1124 | return(NULL); |
| 1125 | } |
| 1126 | |
| 1127 | /* |
| 1128 | * Validity Check: |
| 1129 | * Search the DTD for previous declarations of the ATTLIST |
| 1130 | */ |
| 1131 | for (i = 0;i < table->nb_notations;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1132 | cur = table->table[i]; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1133 | if (!xmlStrcmp(cur->name, name)) { |
| 1134 | /* |
| 1135 | * The notation is already defined in this Dtd. |
| 1136 | */ |
| 1137 | fprintf(stderr, |
| 1138 | "xmlAddNotationDecl: %s already defined\n", name); |
| 1139 | } |
| 1140 | } |
| 1141 | |
| 1142 | /* |
| 1143 | * Grow the table, if needed. |
| 1144 | */ |
| 1145 | if (table->nb_notations >= table->max_notations) { |
| 1146 | /* |
| 1147 | * need more notations. |
| 1148 | */ |
| 1149 | table->max_notations *= 2; |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1150 | table->table = (xmlNotationPtr *) |
| 1151 | realloc(table->table, table->max_notations * |
| 1152 | sizeof(xmlNotationPtr)); |
| 1153 | if (table->table == NULL) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1154 | fprintf(stderr, "xmlAddNotationDecl: out of memory\n"); |
| 1155 | return(NULL); |
| 1156 | } |
| 1157 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1158 | ret = (xmlNotationPtr) malloc(sizeof(xmlNotation)); |
| 1159 | if (ret == NULL) { |
| 1160 | fprintf(stderr, "xmlAddNotationDecl: out of memory\n"); |
| 1161 | return(NULL); |
| 1162 | } |
| 1163 | table->table[table->nb_notations] = ret; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1164 | |
| 1165 | /* |
| 1166 | * fill the structure. |
| 1167 | */ |
| 1168 | ret->name = xmlStrdup(name); |
| 1169 | if (SystemID != NULL) |
| 1170 | ret->SystemID = xmlStrdup(SystemID); |
| 1171 | else |
| 1172 | ret->SystemID = NULL; |
| 1173 | if (PublicID != NULL) |
| 1174 | ret->PublicID = xmlStrdup(PublicID); |
| 1175 | else |
| 1176 | ret->PublicID = NULL; |
| 1177 | table->nb_notations++; |
| 1178 | |
| 1179 | return(ret); |
| 1180 | } |
| 1181 | |
| 1182 | /** |
| 1183 | * xmlFreeNotation: |
| 1184 | * @not: A notation |
| 1185 | * |
| 1186 | * Deallocate the memory used by an notation definition |
| 1187 | */ |
| 1188 | void |
| 1189 | xmlFreeNotation(xmlNotationPtr nota) { |
| 1190 | if (nota == NULL) return; |
| 1191 | if (nota->name != NULL) |
| 1192 | free((CHAR *) nota->name); |
| 1193 | if (nota->PublicID != NULL) |
| 1194 | free((CHAR *) nota->PublicID); |
| 1195 | if (nota->SystemID != NULL) |
| 1196 | free((CHAR *) nota->SystemID); |
| 1197 | memset(nota, -1, sizeof(xmlNotation)); |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1198 | free(nota); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1199 | } |
| 1200 | |
| 1201 | /** |
| 1202 | * xmlFreeNotationTable: |
| 1203 | * @table: An notation table |
| 1204 | * |
| 1205 | * Deallocate the memory used by an entities hash table. |
| 1206 | */ |
| 1207 | void |
| 1208 | xmlFreeNotationTable(xmlNotationTablePtr table) { |
| 1209 | int i; |
| 1210 | |
| 1211 | if (table == NULL) return; |
| 1212 | |
| 1213 | for (i = 0;i < table->nb_notations;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1214 | xmlFreeNotation(table->table[i]); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1215 | } |
| 1216 | free(table->table); |
| 1217 | free(table); |
| 1218 | } |
| 1219 | |
| 1220 | /** |
| 1221 | * xmlCopyNotationTable: |
| 1222 | * @table: A notation table |
| 1223 | * |
| 1224 | * Build a copy of a notation table. |
| 1225 | * |
| 1226 | * Returns the new xmlNotationTablePtr or NULL in case of error. |
| 1227 | */ |
| 1228 | xmlNotationTablePtr |
| 1229 | xmlCopyNotationTable(xmlNotationTablePtr table) { |
| 1230 | xmlNotationTablePtr ret; |
| 1231 | xmlNotationPtr cur, nota; |
| 1232 | int i; |
| 1233 | |
| 1234 | ret = (xmlNotationTablePtr) malloc(sizeof(xmlNotationTable)); |
| 1235 | if (ret == NULL) { |
| 1236 | fprintf(stderr, "xmlCopyNotationTable: out of memory !\n"); |
| 1237 | return(NULL); |
| 1238 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1239 | ret->table = (xmlNotationPtr *) malloc(table->max_notations * |
| 1240 | sizeof(xmlNotationPtr)); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1241 | if (ret->table == NULL) { |
| 1242 | fprintf(stderr, "xmlCopyNotationTable: out of memory !\n"); |
| 1243 | free(ret); |
| 1244 | return(NULL); |
| 1245 | } |
| 1246 | ret->max_notations = table->max_notations; |
| 1247 | ret->nb_notations = table->nb_notations; |
| 1248 | for (i = 0;i < ret->nb_notations;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1249 | cur = (xmlNotationPtr) malloc(sizeof(xmlNotation)); |
| 1250 | if (cur == NULL) { |
| 1251 | fprintf(stderr, "xmlCopyNotationTable: out of memory !\n"); |
| 1252 | free(ret); |
| 1253 | free(ret->table); |
| 1254 | return(NULL); |
| 1255 | } |
| 1256 | ret->table[i] = cur; |
| 1257 | nota = table->table[i]; |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1258 | if (nota->name != NULL) |
| 1259 | cur->name = xmlStrdup(nota->name); |
| 1260 | else |
| 1261 | cur->name = NULL; |
| 1262 | if (nota->PublicID != NULL) |
| 1263 | cur->PublicID = xmlStrdup(nota->PublicID); |
| 1264 | else |
| 1265 | cur->PublicID = NULL; |
| 1266 | if (nota->SystemID != NULL) |
| 1267 | cur->SystemID = xmlStrdup(nota->SystemID); |
| 1268 | else |
| 1269 | cur->SystemID = NULL; |
| 1270 | } |
| 1271 | return(ret); |
| 1272 | } |
| 1273 | |
| 1274 | /** |
| 1275 | * xmlDumpNotationTable: |
Daniel Veillard | 011b63c | 1999-06-02 17:44:04 +0000 | [diff] [blame] | 1276 | * @buf: the XML buffer output |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1277 | * @table: A notation table |
| 1278 | * |
| 1279 | * 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] | 1280 | */ |
| 1281 | void |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1282 | xmlDumpNotationTable(xmlBufferPtr buf, xmlNotationTablePtr table) { |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1283 | int i; |
| 1284 | xmlNotationPtr cur; |
| 1285 | |
| 1286 | if (table == NULL) return; |
| 1287 | |
| 1288 | for (i = 0;i < table->nb_notations;i++) { |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1289 | cur = table->table[i]; |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1290 | xmlBufferWriteChar(buf, "<!NOTATION "); |
| 1291 | xmlBufferWriteCHAR(buf, cur->name); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1292 | if (cur->PublicID != NULL) { |
Daniel Veillard | 011b63c | 1999-06-02 17:44:04 +0000 | [diff] [blame] | 1293 | xmlBufferWriteChar(buf, " PUBLIC "); |
| 1294 | xmlBufferWriteQuotedString(buf, cur->PublicID); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1295 | if (cur->SystemID != NULL) { |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1296 | xmlBufferWriteChar(buf, " "); |
| 1297 | xmlBufferWriteCHAR(buf, cur->SystemID); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1298 | } |
| 1299 | } else { |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1300 | xmlBufferWriteChar(buf, " SYSTEM "); |
| 1301 | xmlBufferWriteCHAR(buf, cur->SystemID); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1302 | } |
Daniel Veillard | 5099ae8 | 1999-04-21 20:12:07 +0000 | [diff] [blame] | 1303 | xmlBufferWriteChar(buf, " >\n"); |
Daniel Veillard | 1e346af | 1999-02-22 10:33:01 +0000 | [diff] [blame] | 1304 | } |
| 1305 | } |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1306 | |
| 1307 | /************************************************************************ |
| 1308 | * * |
Daniel Veillard | 991e63d | 1999-08-15 23:32:28 +0000 | [diff] [blame] | 1309 | * NOTATIONs * |
| 1310 | * * |
| 1311 | ************************************************************************/ |
| 1312 | /** |
| 1313 | * xmlCreateIDTable: |
| 1314 | * |
| 1315 | * create and initialize an empty id hash table. |
| 1316 | * |
| 1317 | * Returns the xmlIDTablePtr just created or NULL in case |
| 1318 | * of error. |
| 1319 | */ |
| 1320 | xmlIDTablePtr |
| 1321 | xmlCreateIDTable(void) { |
| 1322 | xmlIDTablePtr ret; |
| 1323 | |
| 1324 | ret = (xmlIDTablePtr) |
| 1325 | malloc(sizeof(xmlIDTable)); |
| 1326 | if (ret == NULL) { |
| 1327 | fprintf(stderr, "xmlCreateIDTable : malloc(%ld) failed\n", |
| 1328 | (long)sizeof(xmlIDTable)); |
| 1329 | return(NULL); |
| 1330 | } |
| 1331 | ret->max_ids = XML_MIN_NOTATION_TABLE; |
| 1332 | ret->nb_ids = 0; |
| 1333 | ret->table = (xmlIDPtr *) |
| 1334 | malloc(ret->max_ids * sizeof(xmlIDPtr)); |
| 1335 | if (ret == NULL) { |
| 1336 | fprintf(stderr, "xmlCreateIDTable : malloc(%ld) failed\n", |
| 1337 | ret->max_ids * (long)sizeof(xmlID)); |
| 1338 | free(ret); |
| 1339 | return(NULL); |
| 1340 | } |
| 1341 | return(ret); |
| 1342 | } |
| 1343 | |
| 1344 | |
| 1345 | /** |
| 1346 | * xmlAddID: |
| 1347 | * @ctxt: the validation context |
| 1348 | * @doc: pointer to the document |
| 1349 | * @value: the value name |
| 1350 | * @attr: the attribute holding the ID |
| 1351 | * |
| 1352 | * Register a new id declaration |
| 1353 | * |
| 1354 | * Returns NULL if not, othervise the new xmlIDPtr |
| 1355 | */ |
| 1356 | xmlIDPtr |
| 1357 | xmlAddID(xmlValidCtxtPtr ctxt, xmlDocPtr doc, const CHAR *value, |
| 1358 | xmlAttrPtr attr) { |
| 1359 | xmlIDPtr ret, cur; |
| 1360 | xmlIDTablePtr table; |
| 1361 | int i; |
| 1362 | |
| 1363 | if (doc == NULL) { |
| 1364 | fprintf(stderr, "xmlAddIDDecl: doc == NULL\n"); |
| 1365 | return(NULL); |
| 1366 | } |
| 1367 | if (value == NULL) { |
| 1368 | fprintf(stderr, "xmlAddIDDecl: value == NULL\n"); |
| 1369 | return(NULL); |
| 1370 | } |
| 1371 | if (attr == NULL) { |
| 1372 | fprintf(stderr, "xmlAddIDDecl: attr == NULL\n"); |
| 1373 | return(NULL); |
| 1374 | } |
| 1375 | |
| 1376 | /* |
| 1377 | * Create the ID table if needed. |
| 1378 | */ |
| 1379 | table = doc->ids; |
| 1380 | if (table == NULL) |
| 1381 | table = doc->ids = xmlCreateIDTable(); |
| 1382 | if (table == NULL) { |
| 1383 | fprintf(stderr, "xmlAddID: Table creation failed!\n"); |
| 1384 | return(NULL); |
| 1385 | } |
| 1386 | |
| 1387 | /* |
| 1388 | * Validity Check: |
| 1389 | * Search the DTD for previous declarations of the ATTLIST |
| 1390 | */ |
| 1391 | for (i = 0;i < table->nb_ids;i++) { |
| 1392 | cur = table->table[i]; |
| 1393 | if (!xmlStrcmp(cur->value, value)) { |
| 1394 | /* |
| 1395 | * The id is already defined in this Dtd. |
| 1396 | */ |
| 1397 | VERROR(ctxt->userData, "ID %s already defined\n", value); |
| 1398 | return(NULL); |
| 1399 | } |
| 1400 | } |
| 1401 | |
| 1402 | /* |
| 1403 | * Grow the table, if needed. |
| 1404 | */ |
| 1405 | if (table->nb_ids >= table->max_ids) { |
| 1406 | /* |
| 1407 | * need more ids. |
| 1408 | */ |
| 1409 | table->max_ids *= 2; |
| 1410 | table->table = (xmlIDPtr *) |
| 1411 | realloc(table->table, table->max_ids * |
| 1412 | sizeof(xmlIDPtr)); |
| 1413 | if (table->table == NULL) { |
| 1414 | fprintf(stderr, "xmlAddID: out of memory\n"); |
| 1415 | return(NULL); |
| 1416 | } |
| 1417 | } |
| 1418 | ret = (xmlIDPtr) malloc(sizeof(xmlID)); |
| 1419 | if (ret == NULL) { |
| 1420 | fprintf(stderr, "xmlAddID: out of memory\n"); |
| 1421 | return(NULL); |
| 1422 | } |
| 1423 | table->table[table->nb_ids] = ret; |
| 1424 | |
| 1425 | /* |
| 1426 | * fill the structure. |
| 1427 | */ |
| 1428 | ret->value = xmlStrdup(value); |
| 1429 | ret->attr = attr; |
| 1430 | table->nb_ids++; |
| 1431 | |
| 1432 | return(ret); |
| 1433 | } |
| 1434 | |
| 1435 | /** |
| 1436 | * xmlFreeID: |
| 1437 | * @not: A id |
| 1438 | * |
| 1439 | * Deallocate the memory used by an id definition |
| 1440 | */ |
| 1441 | void |
| 1442 | xmlFreeID(xmlIDPtr id) { |
| 1443 | if (id == NULL) return; |
| 1444 | if (id->value != NULL) |
| 1445 | free((CHAR *) id->value); |
| 1446 | memset(id, -1, sizeof(xmlID)); |
| 1447 | free(id); |
| 1448 | } |
| 1449 | |
| 1450 | /** |
| 1451 | * xmlFreeIDTable: |
| 1452 | * @table: An id table |
| 1453 | * |
| 1454 | * Deallocate the memory used by an ID hash table. |
| 1455 | */ |
| 1456 | void |
| 1457 | xmlFreeIDTable(xmlIDTablePtr table) { |
| 1458 | int i; |
| 1459 | |
| 1460 | if (table == NULL) return; |
| 1461 | |
| 1462 | for (i = 0;i < table->nb_ids;i++) { |
| 1463 | xmlFreeID(table->table[i]); |
| 1464 | } |
| 1465 | free(table->table); |
| 1466 | free(table); |
| 1467 | } |
| 1468 | |
| 1469 | /** |
| 1470 | * xmlIsID |
| 1471 | * @doc: the document |
| 1472 | * @elem: the element carrying the attribute |
| 1473 | * @attr: the attribute |
| 1474 | * |
| 1475 | * Determine whether an attribute is of type ID. In case we have Dtd(s) |
| 1476 | * then this is simple, otherwise we use an heuristic: name ID (upper |
| 1477 | * or lowercase). |
| 1478 | * |
| 1479 | * Returns 0 or 1 depending on the lookup result |
| 1480 | */ |
| 1481 | int |
| 1482 | xmlIsID(xmlDocPtr doc, xmlNodePtr elem, xmlAttrPtr attr) { |
| 1483 | if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) { |
| 1484 | if (((attr->name[0] == 'I') || (attr->name[0] == 'i')) && |
| 1485 | ((attr->name[1] == 'D') || (attr->name[1] == 'd')) && |
| 1486 | (attr->name[2] == 0)) return(1); |
| 1487 | } else { |
| 1488 | xmlAttributePtr attrDecl; |
| 1489 | |
| 1490 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, attr->name); |
| 1491 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 1492 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, |
| 1493 | attr->name); |
| 1494 | |
| 1495 | if ((attrDecl == NULL) || (attrDecl->type == XML_ATTRIBUTE_ID)) |
| 1496 | return(1); |
| 1497 | } |
| 1498 | return(0); |
| 1499 | } |
| 1500 | |
| 1501 | /************************************************************************ |
| 1502 | * * |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 1503 | * Routines for validity checking * |
| 1504 | * * |
| 1505 | ************************************************************************/ |
| 1506 | |
| 1507 | /** |
| 1508 | * xmlGetDtdElementDesc: |
| 1509 | * @dtd: a pointer to the DtD to search |
| 1510 | * @name: the element name |
| 1511 | * |
| 1512 | * Search the Dtd for the description of this element |
| 1513 | * |
| 1514 | * returns the xmlElementPtr if found or NULL |
| 1515 | */ |
| 1516 | |
| 1517 | xmlElementPtr |
| 1518 | xmlGetDtdElementDesc(xmlDtdPtr dtd, const CHAR *name) { |
| 1519 | xmlElementTablePtr table; |
| 1520 | xmlElementPtr cur; |
| 1521 | int i; |
| 1522 | |
| 1523 | if (dtd == NULL) return(NULL); |
| 1524 | if (dtd->elements == NULL) return(NULL); |
| 1525 | table = dtd->elements; |
| 1526 | |
| 1527 | for (i = 0;i < table->nb_elements;i++) { |
| 1528 | cur = table->table[i]; |
| 1529 | if (!xmlStrcmp(cur->name, name)) |
| 1530 | return(cur); |
| 1531 | } |
| 1532 | return(NULL); |
| 1533 | } |
| 1534 | |
| 1535 | /** |
| 1536 | * xmlGetDtdAttrDesc: |
| 1537 | * @dtd: a pointer to the DtD to search |
| 1538 | * @elem: the element name |
| 1539 | * @name: the attribute name |
| 1540 | * |
| 1541 | * Search the Dtd for the description of this attribute on |
| 1542 | * this element. |
| 1543 | * |
| 1544 | * returns the xmlAttributePtr if found or NULL |
| 1545 | */ |
| 1546 | |
| 1547 | xmlAttributePtr |
| 1548 | xmlGetDtdAttrDesc(xmlDtdPtr dtd, const CHAR *elem, const CHAR *name) { |
| 1549 | xmlAttributeTablePtr table; |
| 1550 | xmlAttributePtr cur; |
| 1551 | int i; |
| 1552 | |
| 1553 | if (dtd == NULL) return(NULL); |
| 1554 | if (dtd->attributes == NULL) return(NULL); |
| 1555 | table = dtd->attributes; |
| 1556 | |
| 1557 | for (i = 0;i < table->nb_attributes;i++) { |
| 1558 | cur = table->table[i]; |
| 1559 | if ((!xmlStrcmp(cur->name, name)) && |
| 1560 | (!xmlStrcmp(cur->elem, elem))) |
| 1561 | return(cur); |
| 1562 | } |
| 1563 | return(NULL); |
| 1564 | } |
| 1565 | |
| 1566 | /** |
| 1567 | * xmlGetDtdNotationDesc: |
| 1568 | * @dtd: a pointer to the DtD to search |
| 1569 | * @name: the notation name |
| 1570 | * |
| 1571 | * Search the Dtd for the description of this notation |
| 1572 | * |
| 1573 | * returns the xmlNotationPtr if found or NULL |
| 1574 | */ |
| 1575 | |
| 1576 | xmlNotationPtr |
| 1577 | xmlGetDtdNotationDesc(xmlDtdPtr dtd, const CHAR *name) { |
| 1578 | xmlNotationTablePtr table; |
| 1579 | xmlNotationPtr cur; |
| 1580 | int i; |
| 1581 | |
| 1582 | if (dtd == NULL) return(NULL); |
| 1583 | if (dtd->notations == NULL) return(NULL); |
| 1584 | table = dtd->notations; |
| 1585 | |
| 1586 | for (i = 0;i < table->nb_notations;i++) { |
| 1587 | cur = table->table[i]; |
| 1588 | if (!xmlStrcmp(cur->name, name)) |
| 1589 | return(cur); |
| 1590 | } |
| 1591 | return(NULL); |
| 1592 | } |
| 1593 | |
| 1594 | /** |
| 1595 | * xmlIsMixedElement |
| 1596 | * @doc: the document |
| 1597 | * @name: the element name |
| 1598 | * |
| 1599 | * Search in the DtDs whether an element accept Mixed content (or ANY) |
| 1600 | * basically if it is supposed to accept text childs |
| 1601 | * |
| 1602 | * returns 0 if no, 1 if yes, and -1 if no element description is available |
| 1603 | */ |
| 1604 | |
| 1605 | int |
| 1606 | xmlIsMixedElement(xmlDocPtr doc, const CHAR *name) { |
| 1607 | xmlElementPtr elemDecl; |
| 1608 | |
| 1609 | if ((doc == NULL) || (doc->intSubset == NULL)) return(-1); |
| 1610 | |
| 1611 | elemDecl = xmlGetDtdElementDesc(doc->intSubset, name); |
| 1612 | if ((elemDecl == NULL) && (doc->extSubset != NULL)) |
| 1613 | elemDecl = xmlGetDtdElementDesc(doc->extSubset, name); |
| 1614 | if (elemDecl == NULL) return(-1); |
| 1615 | switch (elemDecl->type) { |
| 1616 | case XML_ELEMENT_TYPE_ELEMENT: |
| 1617 | return(0); |
| 1618 | case XML_ELEMENT_TYPE_EMPTY: |
| 1619 | /* |
| 1620 | * return 1 for EMPTY since we want VC error to pop up |
| 1621 | * on <empty> </empty> for example |
| 1622 | */ |
| 1623 | case XML_ELEMENT_TYPE_ANY: |
| 1624 | case XML_ELEMENT_TYPE_MIXED: |
| 1625 | return(1); |
| 1626 | } |
| 1627 | return(1); |
| 1628 | } |
| 1629 | |
| 1630 | /** |
| 1631 | * xmlValidateNameValue: |
| 1632 | * @value: an Name value |
| 1633 | * |
| 1634 | * Validate that the given value match Name production |
| 1635 | * |
| 1636 | * returns 1 if valid or 0 otherwise |
| 1637 | */ |
| 1638 | |
| 1639 | int |
| 1640 | xmlValidateNameValue(const CHAR *value) { |
| 1641 | const CHAR *cur; |
| 1642 | |
| 1643 | if (value == NULL) return(0); |
| 1644 | cur = value; |
| 1645 | |
| 1646 | if (!IS_LETTER(*cur) && (*cur != '_') && |
| 1647 | (*cur != ':')) { |
| 1648 | return(0); |
| 1649 | } |
| 1650 | |
| 1651 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 1652 | (*cur == '.') || (*cur == '-') || |
| 1653 | (*cur == '_') || (*cur == ':') || |
| 1654 | (IS_COMBINING(*cur)) || |
| 1655 | (IS_EXTENDER(*cur))) |
| 1656 | cur++; |
| 1657 | |
| 1658 | if (*cur != 0) return(0); |
| 1659 | |
| 1660 | return(1); |
| 1661 | } |
| 1662 | |
| 1663 | /** |
| 1664 | * xmlValidateNamesValue: |
| 1665 | * @value: an Names value |
| 1666 | * |
| 1667 | * Validate that the given value match Names production |
| 1668 | * |
| 1669 | * returns 1 if valid or 0 otherwise |
| 1670 | */ |
| 1671 | |
| 1672 | int |
| 1673 | xmlValidateNamesValue(const CHAR *value) { |
| 1674 | const CHAR *cur; |
| 1675 | |
| 1676 | if (value == NULL) return(0); |
| 1677 | cur = value; |
| 1678 | |
| 1679 | if (!IS_LETTER(*cur) && (*cur != '_') && |
| 1680 | (*cur != ':')) { |
| 1681 | return(0); |
| 1682 | } |
| 1683 | |
| 1684 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 1685 | (*cur == '.') || (*cur == '-') || |
| 1686 | (*cur == '_') || (*cur == ':') || |
| 1687 | (IS_COMBINING(*cur)) || |
| 1688 | (IS_EXTENDER(*cur))) |
| 1689 | cur++; |
| 1690 | |
| 1691 | while (IS_BLANK(*cur)) { |
| 1692 | while (IS_BLANK(*cur)) cur++; |
| 1693 | |
| 1694 | if (!IS_LETTER(*cur) && (*cur != '_') && |
| 1695 | (*cur != ':')) { |
| 1696 | return(0); |
| 1697 | } |
| 1698 | |
| 1699 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 1700 | (*cur == '.') || (*cur == '-') || |
| 1701 | (*cur == '_') || (*cur == ':') || |
| 1702 | (IS_COMBINING(*cur)) || |
| 1703 | (IS_EXTENDER(*cur))) |
| 1704 | cur++; |
| 1705 | } |
| 1706 | |
| 1707 | if (*cur != 0) return(0); |
| 1708 | |
| 1709 | return(1); |
| 1710 | } |
| 1711 | |
| 1712 | /** |
| 1713 | * xmlValidateNmtokenValue: |
| 1714 | * @value: an Mntoken value |
| 1715 | * |
| 1716 | * Validate that the given value match Nmtoken production |
| 1717 | * |
| 1718 | * [ VC: Name Token ] |
| 1719 | * |
| 1720 | * returns 1 if valid or 0 otherwise |
| 1721 | */ |
| 1722 | |
| 1723 | int |
| 1724 | xmlValidateNmtokenValue(const CHAR *value) { |
| 1725 | const CHAR *cur; |
| 1726 | |
| 1727 | if (value == NULL) return(0); |
| 1728 | cur = value; |
| 1729 | |
| 1730 | if (!IS_LETTER(*cur) && !IS_DIGIT(*cur) && |
| 1731 | (*cur != '.') && (*cur != '-') && |
| 1732 | (*cur != '_') && (*cur != ':') && |
| 1733 | (!IS_COMBINING(*cur)) && |
| 1734 | (!IS_EXTENDER(*cur))) |
| 1735 | return(0); |
| 1736 | |
| 1737 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 1738 | (*cur == '.') || (*cur == '-') || |
| 1739 | (*cur == '_') || (*cur == ':') || |
| 1740 | (IS_COMBINING(*cur)) || |
| 1741 | (IS_EXTENDER(*cur))) |
| 1742 | cur++; |
| 1743 | |
| 1744 | if (*cur != 0) return(0); |
| 1745 | |
| 1746 | return(1); |
| 1747 | return(1); |
| 1748 | } |
| 1749 | |
| 1750 | /** |
| 1751 | * xmlValidateNmtokensValue: |
| 1752 | * @value: an Mntokens value |
| 1753 | * |
| 1754 | * Validate that the given value match Nmtokens production |
| 1755 | * |
| 1756 | * [ VC: Name Token ] |
| 1757 | * |
| 1758 | * returns 1 if valid or 0 otherwise |
| 1759 | */ |
| 1760 | |
| 1761 | int |
| 1762 | xmlValidateNmtokensValue(const CHAR *value) { |
| 1763 | const CHAR *cur; |
| 1764 | |
| 1765 | if (value == NULL) return(0); |
| 1766 | cur = value; |
| 1767 | |
| 1768 | if (!IS_LETTER(*cur) && !IS_DIGIT(*cur) && |
| 1769 | (*cur != '.') && (*cur != '-') && |
| 1770 | (*cur != '_') && (*cur != ':') && |
| 1771 | (!IS_COMBINING(*cur)) && |
| 1772 | (!IS_EXTENDER(*cur))) |
| 1773 | return(0); |
| 1774 | |
| 1775 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 1776 | (*cur == '.') || (*cur == '-') || |
| 1777 | (*cur == '_') || (*cur == ':') || |
| 1778 | (IS_COMBINING(*cur)) || |
| 1779 | (IS_EXTENDER(*cur))) |
| 1780 | cur++; |
| 1781 | |
| 1782 | while (IS_BLANK(*cur)) { |
| 1783 | while (IS_BLANK(*cur)) cur++; |
| 1784 | |
| 1785 | if (!IS_LETTER(*cur) && !IS_DIGIT(*cur) && |
| 1786 | (*cur != '.') && (*cur != '-') && |
| 1787 | (*cur != '_') && (*cur != ':') && |
| 1788 | (!IS_COMBINING(*cur)) && |
| 1789 | (!IS_EXTENDER(*cur))) |
| 1790 | return(0); |
| 1791 | |
| 1792 | while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) || |
| 1793 | (*cur == '.') || (*cur == '-') || |
| 1794 | (*cur == '_') || (*cur == ':') || |
| 1795 | (IS_COMBINING(*cur)) || |
| 1796 | (IS_EXTENDER(*cur))) |
| 1797 | cur++; |
| 1798 | } |
| 1799 | |
| 1800 | if (*cur != 0) return(0); |
| 1801 | |
| 1802 | return(1); |
| 1803 | } |
| 1804 | |
| 1805 | /** |
| 1806 | * xmlValidateNotationDecl: |
| 1807 | * @doc: a document instance |
| 1808 | * @nota: a notation definition |
| 1809 | * |
| 1810 | * Try to validate a single notation definition |
| 1811 | * basically it does the following checks as described by the |
| 1812 | * XML-1.0 recommendation: |
| 1813 | * - it seems that no validity constraing exist on notation declarations |
| 1814 | * But this function get called anyway ... |
| 1815 | * |
| 1816 | * returns 1 if valid or 0 otherwise |
| 1817 | */ |
| 1818 | |
| 1819 | int |
| 1820 | xmlValidateNotationDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 1821 | xmlNotationPtr nota) { |
| 1822 | int ret = 1; |
| 1823 | |
| 1824 | return(ret); |
| 1825 | } |
| 1826 | |
| 1827 | /** |
| 1828 | * xmlValidateAttributeValue: |
| 1829 | * @type: an attribute type |
| 1830 | * @value: an attribute value |
| 1831 | * |
| 1832 | * Validate that the given attribute value match the proper production |
| 1833 | * |
| 1834 | * [ VC: ID ] |
| 1835 | * Values of type ID must match the Name production.... |
| 1836 | * |
| 1837 | * [ VC: IDREF ] |
| 1838 | * Values of type IDREF must match the Name production, and values |
| 1839 | * of type IDREFS must match Names ... |
| 1840 | * |
| 1841 | * [ VC: Entity Name ] |
| 1842 | * Values of type ENTITY must match the Name production, values |
| 1843 | * of type ENTITIES must match Names ... |
| 1844 | * |
| 1845 | * [ VC: Name Token ] |
| 1846 | * Values of type NMTOKEN must match the Nmtoken production; values |
| 1847 | * of type NMTOKENS must match Nmtokens. |
| 1848 | * |
| 1849 | * returns 1 if valid or 0 otherwise |
| 1850 | */ |
| 1851 | |
| 1852 | int |
| 1853 | xmlValidateAttributeValue(xmlAttributeType type, const CHAR *value) { |
| 1854 | switch (type) { |
| 1855 | case XML_ATTRIBUTE_IDREFS: |
| 1856 | case XML_ATTRIBUTE_ENTITIES: |
| 1857 | return(xmlValidateNamesValue(value)); |
| 1858 | case XML_ATTRIBUTE_IDREF: |
| 1859 | case XML_ATTRIBUTE_ID: |
| 1860 | case XML_ATTRIBUTE_ENTITY: |
| 1861 | case XML_ATTRIBUTE_NOTATION: |
| 1862 | return(xmlValidateNameValue(value)); |
| 1863 | case XML_ATTRIBUTE_NMTOKENS: |
| 1864 | case XML_ATTRIBUTE_ENUMERATION: |
| 1865 | return(xmlValidateNmtokensValue(value)); |
| 1866 | case XML_ATTRIBUTE_NMTOKEN: |
| 1867 | return(xmlValidateNmtokenValue(value)); |
| 1868 | case XML_ATTRIBUTE_CDATA: |
| 1869 | break; |
| 1870 | } |
| 1871 | return(1); |
| 1872 | } |
| 1873 | |
| 1874 | /** |
| 1875 | * xmlValidateAttributeDecl: |
| 1876 | * @doc: a document instance |
| 1877 | * @attr: an attribute definition |
| 1878 | * |
| 1879 | * Try to validate a single attribute definition |
| 1880 | * basically it does the following checks as described by the |
| 1881 | * XML-1.0 recommendation: |
| 1882 | * - [ VC: Attribute Default Legal ] |
| 1883 | * - [ VC: Enumeration ] |
| 1884 | * - [ VC: ID Attribute Default ] |
| 1885 | * |
| 1886 | * The ID/IDREF uniqueness and matching are done separately |
| 1887 | * |
| 1888 | * returns 1 if valid or 0 otherwise |
| 1889 | */ |
| 1890 | |
| 1891 | int |
| 1892 | xmlValidateAttributeDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 1893 | xmlAttributePtr attr) { |
| 1894 | int ret = 1; |
| 1895 | int val; |
| 1896 | CHECK_DTD; |
| 1897 | if(attr == NULL) return(1); |
| 1898 | |
| 1899 | /* Attribute Default Legal */ |
| 1900 | /* Enumeration */ |
| 1901 | if (attr->defaultValue != NULL) { |
| 1902 | val = xmlValidateAttributeValue(attr->type, attr->defaultValue); |
| 1903 | if (val == 0) { |
| 1904 | VERROR(ctxt->userData, |
| 1905 | "Syntax of default value for attribute %s on %s is not valid\n", |
| 1906 | attr->name, attr->elem); |
| 1907 | } |
| 1908 | ret &= val; |
| 1909 | } |
| 1910 | |
| 1911 | /* ID Attribute Default */ |
| 1912 | if ((attr->type == XML_ATTRIBUTE_ID)&& |
| 1913 | (attr->def != XML_ATTRIBUTE_IMPLIED) && |
| 1914 | (attr->def != XML_ATTRIBUTE_REQUIRED)) { |
| 1915 | VERROR(ctxt->userData, |
| 1916 | "ID attribute %s on %s is not valid must be #IMPLIED or #REQUIRED\n", |
| 1917 | attr->name, attr->elem); |
| 1918 | ret = 0; |
| 1919 | } |
| 1920 | |
| 1921 | /* max ID per element */ |
| 1922 | if ((attr->type == XML_ATTRIBUTE_ID) && (doc->extSubset != NULL)) { |
| 1923 | int nbId = 0; |
| 1924 | |
| 1925 | /* the trick is taht we parse DtD as their own internal subset */ |
| 1926 | xmlElementPtr elem = xmlGetDtdElementDesc(doc->extSubset, |
| 1927 | attr->elem); |
| 1928 | if (elem != NULL) { |
| 1929 | nbId = xmlScanIDAttributeDecl(NULL, elem); |
| 1930 | } |
| 1931 | if (nbId >= 1) |
| 1932 | VERROR(ctxt->userData, |
| 1933 | "Element %s has ID attribute defined in the external subset : %s\n", |
| 1934 | attr->elem, attr->name); |
| 1935 | } |
| 1936 | |
| 1937 | return(ret); |
| 1938 | } |
| 1939 | |
| 1940 | /** |
| 1941 | * xmlValidateElementDecl: |
| 1942 | * @ctxt: the validation context |
| 1943 | * @doc: a document instance |
| 1944 | * @elem: an element definition |
| 1945 | * |
| 1946 | * Try to validate a single element definition |
| 1947 | * basically it does the following checks as described by the |
| 1948 | * XML-1.0 recommendation: |
| 1949 | * - [ VC: One ID per Element Type ] |
| 1950 | * - [ VC: No Duplicate Types ] |
| 1951 | * - [ VC: Unique Element Type Declaration ] |
| 1952 | * |
| 1953 | * returns 1 if valid or 0 otherwise |
| 1954 | */ |
| 1955 | |
| 1956 | int |
| 1957 | xmlValidateElementDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 1958 | xmlElementPtr elem) { |
| 1959 | int ret = 1; |
| 1960 | xmlElementPtr tst; |
| 1961 | |
| 1962 | CHECK_DTD; |
| 1963 | |
| 1964 | if (elem == NULL) return(1); |
| 1965 | |
| 1966 | /* No Duplicate Types */ |
| 1967 | if (elem->type == XML_ELEMENT_TYPE_MIXED) { |
| 1968 | xmlElementContentPtr cur, next; |
| 1969 | const CHAR *name; |
| 1970 | |
| 1971 | cur = elem->content; |
| 1972 | while (cur != NULL) { |
| 1973 | if (cur->type != XML_ELEMENT_CONTENT_OR) break; |
| 1974 | if (cur->c1 == NULL) break; |
| 1975 | if (cur->c1->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 1976 | name = cur->c1->name; |
| 1977 | next = cur->c2; |
| 1978 | while (next != NULL) { |
| 1979 | if (next->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 1980 | if (!xmlStrcmp(next->name, name)) { |
| 1981 | VERROR(ctxt->userData, |
| 1982 | "Definition of %s has duplicate references of %s\n", |
| 1983 | elem->name, name); |
| 1984 | ret = 0; |
| 1985 | } |
| 1986 | break; |
| 1987 | } |
| 1988 | if (next->c1 == NULL) break; |
| 1989 | if (next->c1->type != XML_ELEMENT_CONTENT_ELEMENT) break; |
| 1990 | if (!xmlStrcmp(next->c1->name, name)) { |
| 1991 | VERROR(ctxt->userData, |
| 1992 | "Definition of %s has duplicate references of %s\n", |
| 1993 | elem->name, name); |
| 1994 | ret = 0; |
| 1995 | } |
| 1996 | next = next->c2; |
| 1997 | } |
| 1998 | } |
| 1999 | cur = cur->c2; |
| 2000 | } |
| 2001 | } |
| 2002 | |
| 2003 | /* VC: Unique Element Type Declaration */ |
| 2004 | tst = xmlGetDtdElementDesc(doc->intSubset, elem->name); |
| 2005 | if ((tst != NULL ) && (tst != elem)) { |
| 2006 | VERROR(ctxt->userData, "Redefinition of element %s\n", |
| 2007 | elem->name); |
| 2008 | ret = 0; |
| 2009 | } |
| 2010 | tst = xmlGetDtdElementDesc(doc->extSubset, elem->name); |
| 2011 | if ((tst != NULL ) && (tst != elem)) { |
| 2012 | VERROR(ctxt->userData, "Redefinition of element %s\n", |
| 2013 | elem->name); |
| 2014 | ret = 0; |
| 2015 | } |
| 2016 | |
| 2017 | /* One ID per Element Type */ |
| 2018 | if (xmlScanIDAttributeDecl(ctxt, elem) > 1) { |
| 2019 | ret = 0; |
| 2020 | } |
| 2021 | return(ret); |
| 2022 | } |
| 2023 | |
| 2024 | /** |
| 2025 | * xmlValidateOneAttribute: |
| 2026 | * @ctxt: the validation context |
| 2027 | * @doc: a document instance |
| 2028 | * @elem: an element instance |
| 2029 | * @attr: an attribute instance |
| 2030 | * |
| 2031 | * Try to validate a single attribute for an element |
| 2032 | * basically it * does the following checks as described by the |
| 2033 | * XML-1.0 recommendation: |
| 2034 | * - [ VC: Attribute Value Type ] |
| 2035 | * - [ VC: Fixed Attribute Default ] |
| 2036 | * - [ VC: Entity Name ] |
| 2037 | * - [ VC: Name Token ] |
| 2038 | * - [ VC: ID ] |
| 2039 | * - [ VC: IDREF ] |
| 2040 | * - [ VC: Entity Name ] |
| 2041 | * - [ VC: Notation Attributes ] |
| 2042 | * |
| 2043 | * The ID/IDREF uniqueness and matching are done separately |
| 2044 | * |
| 2045 | * returns 1 if valid or 0 otherwise |
| 2046 | */ |
| 2047 | |
| 2048 | int |
| 2049 | xmlValidateOneAttribute(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 2050 | xmlNodePtr elem, xmlAttrPtr attr, const CHAR *value) { |
| 2051 | xmlElementPtr elemDecl; |
| 2052 | xmlAttributePtr attrDecl; |
| 2053 | int val; |
| 2054 | int ret = 1; |
| 2055 | |
| 2056 | CHECK_DTD; |
| 2057 | if ((elem == NULL) || (elem->name == NULL)) return(0); |
| 2058 | if ((attr == NULL) || (attr->name == NULL)) return(0); |
| 2059 | |
| 2060 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, attr->name); |
| 2061 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 2062 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, attr->name); |
| 2063 | |
| 2064 | |
| 2065 | /* Validity Constraint: Attribute Value Type */ |
| 2066 | if (attrDecl == NULL) { |
| 2067 | VERROR(ctxt->userData, |
| 2068 | "No declaration for attribute %s on element %s\n", |
| 2069 | attr->name, elem->name); |
| 2070 | return(0); |
| 2071 | } |
| 2072 | val = xmlValidateAttributeValue(attrDecl->type, value); |
| 2073 | if (val == 0) { |
| 2074 | VERROR(ctxt->userData, |
| 2075 | "Syntax of value for attribute %s on %s is not valid\n", |
| 2076 | attr->name, elem->name); |
| 2077 | ret = 0; |
| 2078 | } |
| 2079 | |
| 2080 | /* Validity Constraint: Notation Attributes */ |
| 2081 | if (attrDecl->type == XML_ATTRIBUTE_NOTATION) { |
| 2082 | xmlEnumerationPtr tree = attrDecl->tree; |
| 2083 | xmlNotationPtr nota; |
| 2084 | |
| 2085 | /* First check that the given NOTATION was declared */ |
| 2086 | nota = xmlGetDtdNotationDesc(doc->intSubset, value); |
| 2087 | if (nota == NULL) |
| 2088 | nota = xmlGetDtdNotationDesc(doc->extSubset, value); |
| 2089 | |
| 2090 | if (nota == NULL) { |
| 2091 | VERROR(ctxt->userData, |
| 2092 | "Value \"%s\" for attribute %s on %s is not a declared Notation\n", |
| 2093 | value, attr->name, elem->name); |
| 2094 | ret = 0; |
| 2095 | } |
| 2096 | |
| 2097 | /* Second, verify that it's among the list */ |
| 2098 | while (tree != NULL) { |
| 2099 | if (!xmlStrcmp(tree->name, value)) break; |
| 2100 | tree = tree->next; |
| 2101 | } |
| 2102 | if (tree == NULL) { |
| 2103 | VERROR(ctxt->userData, |
| 2104 | "Value \"%s\" for attribute %s on %s is among the enumerated notations\n", |
| 2105 | value, attr->name, elem->name); |
| 2106 | ret = 0; |
| 2107 | } |
| 2108 | } |
| 2109 | |
| 2110 | /* Validity Constraint: Enumeration */ |
| 2111 | if (attrDecl->type == XML_ATTRIBUTE_ENUMERATION) { |
| 2112 | xmlEnumerationPtr tree = attrDecl->tree; |
| 2113 | while (tree != NULL) { |
| 2114 | if (!xmlStrcmp(tree->name, value)) break; |
| 2115 | tree = tree->next; |
| 2116 | } |
| 2117 | if (tree == NULL) { |
| 2118 | VERROR(ctxt->userData, |
| 2119 | "Value \"%s\" for attribute %s on %s is among the enumerated set\n", |
| 2120 | value, attr->name, elem->name); |
| 2121 | ret = 0; |
| 2122 | } |
| 2123 | } |
| 2124 | |
| 2125 | /* Fixed Attribute Default */ |
| 2126 | if ((attrDecl->def == XML_ATTRIBUTE_FIXED) && |
| 2127 | (xmlStrcmp(attrDecl->defaultValue, value))) { |
| 2128 | VERROR(ctxt->userData, |
| 2129 | "Value for attribute %s on %s must be \"%s\"\n", |
| 2130 | attr->name, elem->name, attrDecl->defaultValue); |
| 2131 | ret = 0; |
| 2132 | } |
| 2133 | |
| 2134 | elemDecl = xmlGetDtdElementDesc(doc->intSubset, elem->name); |
| 2135 | if ((elemDecl == NULL) && (doc->extSubset != NULL)) |
| 2136 | elemDecl = xmlGetDtdElementDesc(doc->extSubset, elem->name); |
| 2137 | if (elemDecl == NULL) { |
| 2138 | /* the error has or will be reported soon in xmlValidateOneElement */ |
| 2139 | return(0); |
| 2140 | } |
| 2141 | return(ret); |
| 2142 | } |
| 2143 | |
| 2144 | int xmlValidateElementTypeElement(xmlValidCtxtPtr ctxt, xmlNodePtr *child, |
| 2145 | xmlElementContentPtr cont); |
| 2146 | |
| 2147 | /** |
| 2148 | * xmlValidateElementTypeExpr: |
| 2149 | * @ctxt: the validation context |
| 2150 | * @child: pointer to the child list |
| 2151 | * @cont: pointer to the content declaration |
| 2152 | * |
| 2153 | * Try to validate the content of an element of type element |
| 2154 | * but don't handle the occurence factor |
| 2155 | * |
| 2156 | * returns 1 if valid or 0 and -1 if PCDATA stuff is found, |
| 2157 | * also update child value in-situ. |
| 2158 | */ |
| 2159 | |
| 2160 | int |
| 2161 | xmlValidateElementTypeExpr(xmlValidCtxtPtr ctxt, xmlNodePtr *child, |
| 2162 | xmlElementContentPtr cont) { |
| 2163 | xmlNodePtr cur; |
| 2164 | int ret = 1; |
| 2165 | |
| 2166 | if (cont == NULL) return(-1); |
| 2167 | while (*child != NULL) { |
| 2168 | if ((*child)->type == XML_PI_NODE) { |
| 2169 | *child = (*child)->next; |
| 2170 | continue; |
| 2171 | } |
| 2172 | if ((*child)->type == XML_COMMENT_NODE) { |
| 2173 | *child = (*child)->next; |
| 2174 | continue; |
| 2175 | } |
| 2176 | else if ((*child)->type != XML_ELEMENT_NODE) { |
| 2177 | return(-1); |
| 2178 | } |
| 2179 | break; |
| 2180 | } |
| 2181 | switch (cont->type) { |
| 2182 | case XML_ELEMENT_CONTENT_PCDATA: |
| 2183 | /* Internal error !!! */ |
| 2184 | fprintf(stderr, "Internal: MIXED struct bad\n"); |
| 2185 | return(-1); |
| 2186 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 2187 | if (*child == NULL) return(0); |
| 2188 | ret = (!xmlStrcmp((*child)->name, cont->name)); |
| 2189 | if (ret == 1) |
| 2190 | *child = (*child)->next; |
| 2191 | return(ret); |
| 2192 | case XML_ELEMENT_CONTENT_OR: |
| 2193 | cur = *child; |
| 2194 | ret = xmlValidateElementTypeElement(ctxt, child, cont->c1); |
| 2195 | if (ret == -1) return(-1); |
| 2196 | if (ret == 1) { |
| 2197 | return(1); |
| 2198 | } |
| 2199 | /* rollback and retry the other path */ |
| 2200 | *child = cur; |
| 2201 | ret = xmlValidateElementTypeElement(ctxt, child, cont->c2); |
| 2202 | if (ret == -1) return(-1); |
| 2203 | if (ret == 0) { |
| 2204 | *child = cur; |
| 2205 | return(0); |
| 2206 | } |
| 2207 | return(1); |
| 2208 | case XML_ELEMENT_CONTENT_SEQ: |
| 2209 | cur = *child; |
| 2210 | ret = xmlValidateElementTypeElement(ctxt, child, cont->c1); |
| 2211 | if (ret == -1) return(-1); |
| 2212 | if (ret == 0) { |
| 2213 | *child = cur; |
| 2214 | return(0); |
| 2215 | } |
| 2216 | ret = xmlValidateElementTypeElement(ctxt, child, cont->c2); |
| 2217 | if (ret == -1) return(-1); |
| 2218 | if (ret == 0) { |
| 2219 | *child = cur; |
| 2220 | return(0); |
| 2221 | } |
| 2222 | return(1); |
| 2223 | } |
| 2224 | return(ret); |
| 2225 | } |
| 2226 | |
| 2227 | /** |
| 2228 | * xmlValidateElementTypeElement: |
| 2229 | * @ctxt: the validation context |
| 2230 | * @child: pointer to the child list |
| 2231 | * @cont: pointer to the content declaration |
| 2232 | * |
| 2233 | * Try to validate the content of an element of type element |
| 2234 | * yeah, Yet Another Regexp Implementation, and recursive |
| 2235 | * |
| 2236 | * returns 1 if valid or 0 and -1 if PCDATA stuff is found, |
| 2237 | * also update child and content values in-situ. |
| 2238 | */ |
| 2239 | |
| 2240 | int |
| 2241 | xmlValidateElementTypeElement(xmlValidCtxtPtr ctxt, xmlNodePtr *child, |
| 2242 | xmlElementContentPtr cont) { |
| 2243 | xmlNodePtr cur; |
| 2244 | int ret = 1; |
| 2245 | |
| 2246 | if (cont == NULL) return(-1); |
| 2247 | while (*child != NULL) { |
| 2248 | if ((*child)->type == XML_PI_NODE) { |
| 2249 | *child = (*child)->next; |
| 2250 | continue; |
| 2251 | } |
| 2252 | if ((*child)->type == XML_COMMENT_NODE) { |
| 2253 | *child = (*child)->next; |
| 2254 | continue; |
| 2255 | } |
| 2256 | else if ((*child)->type != XML_ELEMENT_NODE) { |
| 2257 | return(-1); |
| 2258 | } |
| 2259 | break; |
| 2260 | } |
| 2261 | cur = *child; |
| 2262 | ret = xmlValidateElementTypeExpr(ctxt, child, cont); |
| 2263 | if (ret == -1) return(-1); |
| 2264 | switch (cont->ocur) { |
| 2265 | case XML_ELEMENT_CONTENT_ONCE: |
| 2266 | if (ret == 1) { |
| 2267 | return(1); |
| 2268 | } |
| 2269 | *child = cur; |
| 2270 | return(0); |
| 2271 | case XML_ELEMENT_CONTENT_OPT: |
| 2272 | if (ret == 0) { |
| 2273 | *child = cur; |
| 2274 | return(1); |
| 2275 | } |
| 2276 | break; |
| 2277 | case XML_ELEMENT_CONTENT_MULT: |
| 2278 | if (ret == 0) { |
| 2279 | *child = cur; |
| 2280 | break; |
| 2281 | } |
| 2282 | /* no break on purpose */ |
| 2283 | case XML_ELEMENT_CONTENT_PLUS: |
| 2284 | if (ret == 0) { |
| 2285 | *child = cur; |
| 2286 | return(0); |
| 2287 | } |
| 2288 | do { |
| 2289 | cur = *child; |
| 2290 | ret = xmlValidateElementTypeExpr(ctxt, child, cont); |
| 2291 | } while (ret == 1); |
| 2292 | if (ret == -1) return(-1); |
| 2293 | *child = cur; |
| 2294 | break; |
| 2295 | } |
| 2296 | while (*child != NULL) { |
| 2297 | if ((*child)->type == XML_PI_NODE) { |
| 2298 | *child = (*child)->next; |
| 2299 | continue; |
| 2300 | } |
| 2301 | if ((*child)->type == XML_COMMENT_NODE) { |
| 2302 | *child = (*child)->next; |
| 2303 | continue; |
| 2304 | } |
| 2305 | else if ((*child)->type != XML_ELEMENT_NODE) { |
| 2306 | return(-1); |
| 2307 | } |
| 2308 | break; |
| 2309 | } |
| 2310 | return(1); |
| 2311 | } |
| 2312 | |
| 2313 | /** |
| 2314 | * xmlSprintfElementChilds: |
| 2315 | * @buf: an output buffer |
| 2316 | * @content: An element |
| 2317 | * @glob: 1 if one must print the englobing parenthesis, 0 otherwise |
| 2318 | * |
| 2319 | * This will dump the list of childs to the buffer |
| 2320 | * Intended just for the debug routine |
| 2321 | */ |
| 2322 | void |
| 2323 | xmlSprintfElementChilds(char *buf, xmlNodePtr node, int glob) { |
| 2324 | xmlNodePtr cur; |
| 2325 | |
| 2326 | if (node == NULL) return; |
| 2327 | if (glob) strcat(buf, "("); |
| 2328 | cur = node->childs; |
| 2329 | while (cur != NULL) { |
| 2330 | switch (cur->type) { |
| 2331 | case XML_ELEMENT_NODE: |
| 2332 | strcat(buf, cur->name); |
| 2333 | if (cur->next != NULL) |
| 2334 | strcat(buf, " "); |
| 2335 | break; |
| 2336 | case XML_TEXT_NODE: |
| 2337 | case XML_CDATA_SECTION_NODE: |
| 2338 | case XML_ENTITY_REF_NODE: |
| 2339 | strcat(buf, "CDATA"); |
| 2340 | if (cur->next != NULL) |
| 2341 | strcat(buf, " "); |
| 2342 | break; |
| 2343 | case XML_ATTRIBUTE_NODE: |
| 2344 | case XML_DOCUMENT_NODE: |
| 2345 | case XML_DOCUMENT_TYPE_NODE: |
| 2346 | case XML_DOCUMENT_FRAG_NODE: |
| 2347 | case XML_NOTATION_NODE: |
| 2348 | strcat(buf, "???"); |
| 2349 | if (cur->next != NULL) |
| 2350 | strcat(buf, " "); |
| 2351 | break; |
| 2352 | case XML_ENTITY_NODE: |
| 2353 | case XML_PI_NODE: |
| 2354 | case XML_COMMENT_NODE: |
| 2355 | break; |
| 2356 | } |
| 2357 | cur = cur->next; |
| 2358 | } |
| 2359 | if (glob) strcat(buf, ")"); |
| 2360 | } |
| 2361 | |
| 2362 | |
| 2363 | /** |
| 2364 | * xmlValidateOneElement: |
| 2365 | * @ctxt: the validation context |
| 2366 | * @doc: a document instance |
| 2367 | * @elem: an element instance |
| 2368 | * |
| 2369 | * Try to validate a single element and it's attributes, |
| 2370 | * basically it does the following checks as described by the |
| 2371 | * XML-1.0 recommendation: |
| 2372 | * - [ VC: Element Valid ] |
| 2373 | * - [ VC: Required Attribute ] |
| 2374 | * Then call xmlValidateOneAttribute() for each attribute present. |
| 2375 | * |
| 2376 | * The ID/IDREF checkings are done separately |
| 2377 | * |
| 2378 | * returns 1 if valid or 0 otherwise |
| 2379 | */ |
| 2380 | |
| 2381 | int |
| 2382 | xmlValidateOneElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 2383 | xmlNodePtr elem) { |
| 2384 | xmlElementPtr elemDecl; |
| 2385 | xmlElementContentPtr cont; |
| 2386 | xmlNodePtr child; |
| 2387 | int ret = 1; |
| 2388 | const CHAR *name; |
| 2389 | |
| 2390 | CHECK_DTD; |
| 2391 | |
| 2392 | if ((elem == NULL) || (elem->name == NULL)) return(0); |
| 2393 | |
| 2394 | elemDecl = xmlGetDtdElementDesc(doc->intSubset, elem->name); |
| 2395 | if ((elemDecl == NULL) && (doc->extSubset != NULL)) |
| 2396 | elemDecl = xmlGetDtdElementDesc(doc->extSubset, elem->name); |
| 2397 | if (elemDecl == NULL) { |
| 2398 | VERROR(ctxt->userData, "No declaration for element %s\n", |
| 2399 | elem->name); |
| 2400 | return(0); |
| 2401 | } |
| 2402 | |
| 2403 | /* Check taht the element content matches the definition */ |
| 2404 | switch (elemDecl->type) { |
| 2405 | case XML_ELEMENT_TYPE_EMPTY: |
| 2406 | if (elem->childs != NULL) { |
| 2407 | VERROR(ctxt->userData, |
| 2408 | "Element %s was declared EMPTY this one has content\n", |
| 2409 | elem->name); |
| 2410 | ret = 0; |
| 2411 | } |
| 2412 | break; |
| 2413 | case XML_ELEMENT_TYPE_ANY: |
| 2414 | /* I don't think anything is required then */ |
| 2415 | break; |
| 2416 | case XML_ELEMENT_TYPE_MIXED: |
| 2417 | /* Hum, this start to get messy */ |
| 2418 | child = elem->childs; |
| 2419 | while (child != NULL) { |
| 2420 | if (child->type == XML_ELEMENT_NODE) { |
| 2421 | name = child->name; |
| 2422 | cont = elemDecl->content; |
| 2423 | while (cont != NULL) { |
| 2424 | if (cont->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 2425 | if (!xmlStrcmp(cont->name, name)) break; |
| 2426 | } else if ((cont->type == XML_ELEMENT_CONTENT_OR) && |
| 2427 | (cont->c1 != NULL) && |
| 2428 | (cont->c1->type == XML_ELEMENT_CONTENT_ELEMENT)) { |
| 2429 | if (!xmlStrcmp(cont->c1->name, name)) break; |
| 2430 | } else if ((cont->type != XML_ELEMENT_CONTENT_OR) || |
| 2431 | (cont->c1 == NULL) || |
| 2432 | (cont->c1->type != XML_ELEMENT_CONTENT_PCDATA)) { |
| 2433 | /* Internal error !!! */ |
| 2434 | fprintf(stderr, "Internal: MIXED struct bad\n"); |
| 2435 | break; |
| 2436 | } |
| 2437 | cont = cont->c2; |
| 2438 | } |
| 2439 | if (cont == NULL) { |
| 2440 | VERROR(ctxt->userData, |
| 2441 | "Element %s is not declared in %s list of possible childs\n", |
| 2442 | name, elem->name); |
| 2443 | ret = 0; |
| 2444 | } |
| 2445 | } |
| 2446 | child = child->next; |
| 2447 | } |
| 2448 | break; |
| 2449 | case XML_ELEMENT_TYPE_ELEMENT: |
| 2450 | child = elem->childs; |
| 2451 | cont = elemDecl->content; |
| 2452 | ret = xmlValidateElementTypeElement(ctxt, &child, cont); |
| 2453 | if ((ret == 0) || (child != NULL)) { |
| 2454 | char expr[1000]; |
| 2455 | char list[2000]; |
| 2456 | |
| 2457 | expr[0] = 0; |
| 2458 | xmlSprintfElementContent(expr, cont, 1); |
| 2459 | list[0] = 0; |
| 2460 | xmlSprintfElementChilds(list, elem, 1); |
| 2461 | |
| 2462 | VERROR(ctxt->userData, |
| 2463 | "Element %s content doesn't follow the Dtd\nExpecting %s, got %s\n", |
| 2464 | elem->name, expr, list); |
| 2465 | ret = 0; |
| 2466 | } |
| 2467 | break; |
| 2468 | } |
| 2469 | |
| 2470 | return(ret); |
| 2471 | } |
| 2472 | |
| 2473 | /** |
| 2474 | * xmlValidateRoot: |
| 2475 | * @ctxt: the validation context |
| 2476 | * @doc: a document instance |
| 2477 | * |
| 2478 | * Try to validate a the root element |
| 2479 | * basically it does the following check as described by the |
| 2480 | * XML-1.0 recommendation: |
| 2481 | * - [ VC: Root Element Type ] |
| 2482 | * it doesn't try to recurse or apply other check to the element |
| 2483 | * |
| 2484 | * returns 1 if valid or 0 otherwise |
| 2485 | */ |
| 2486 | |
| 2487 | int |
| 2488 | xmlValidateRoot(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 2489 | if (doc == NULL) return(0); |
| 2490 | |
| 2491 | if ((doc->intSubset == NULL) || |
| 2492 | (doc->intSubset->name == NULL)) { |
| 2493 | VERROR(ctxt->userData, "Not valid: no DtD found\n"); |
| 2494 | return(0); |
| 2495 | } |
| 2496 | if ((doc->root == NULL) || (doc->root->name == NULL)) { |
| 2497 | VERROR(ctxt->userData, "Not valid: no root element\n"); |
| 2498 | return(0); |
| 2499 | } |
| 2500 | if (xmlStrcmp(doc->intSubset->name, doc->root->name)) { |
| 2501 | VERROR(ctxt->userData, |
| 2502 | "Not valid: root and DtD name do not match %s and %s\n", |
| 2503 | doc->root->name, doc->intSubset->name); |
| 2504 | return(0); |
| 2505 | } |
| 2506 | return(1); |
| 2507 | } |
| 2508 | |
| 2509 | |
| 2510 | /** |
| 2511 | * xmlValidateElement: |
| 2512 | * @ctxt: the validation context |
| 2513 | * @doc: a document instance |
| 2514 | * @elem: an element instance |
| 2515 | * |
| 2516 | * Try to validate the subtree under an element |
| 2517 | * |
| 2518 | * returns 1 if valid or 0 otherwise |
| 2519 | */ |
| 2520 | |
| 2521 | int |
| 2522 | xmlValidateElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc, xmlNodePtr elem) { |
| 2523 | CHECK_DTD; |
| 2524 | |
| 2525 | return(1); |
| 2526 | } |
| 2527 | |
| 2528 | /** |
| 2529 | * xmlValidateDtd: |
| 2530 | * @ctxt: the validation context |
| 2531 | * @doc: a document instance |
| 2532 | * @dtd: a dtd instance |
| 2533 | * |
| 2534 | * Try to validate the dtd instance |
| 2535 | * |
| 2536 | * basically it does check all the definitions in the DtD. |
| 2537 | * |
| 2538 | * returns 1 if valid or 0 otherwise |
| 2539 | */ |
| 2540 | |
| 2541 | int |
| 2542 | xmlValidateDtd(xmlValidCtxtPtr ctxt, xmlDocPtr doc, xmlDtdPtr dtd) { |
| 2543 | return(1); |
| 2544 | } |
| 2545 | |
| 2546 | /** |
| 2547 | * xmlValidateDocument: |
| 2548 | * @ctxt: the validation context |
| 2549 | * @doc: a document instance |
| 2550 | * |
| 2551 | * Try to validate the document instance |
| 2552 | * |
| 2553 | * basically it does the all the checks described by the |
| 2554 | * i.e. validates the internal and external subset (if present) |
| 2555 | * and validate the document tree. |
| 2556 | * |
| 2557 | * returns 1 if valid or 0 otherwise |
| 2558 | */ |
| 2559 | |
| 2560 | int |
| 2561 | xmlValidateDocument(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 2562 | if (!xmlValidateRoot(ctxt, doc)) return(0); |
| 2563 | |
| 2564 | return(1); |
| 2565 | } |
| 2566 | |