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