Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2 | * parserInternals.c : Internal routines (and obsolete ones) needed for the |
| 3 | * XML and HTML parsers. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4 | * |
| 5 | * See Copyright for the status of this software. |
| 6 | * |
Daniel Veillard | c5d6434 | 2001-06-24 12:13:24 +0000 | [diff] [blame] | 7 | * daniel@veillard.com |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
Daniel Veillard | 34ce8be | 2002-03-18 19:37:11 +0000 | [diff] [blame] | 10 | #define IN_LIBXML |
Bjorn Reese | 70a9da5 | 2001-04-21 16:57:29 +0000 | [diff] [blame] | 11 | #include "libxml.h" |
| 12 | |
Daniel Veillard | 3c5ed91 | 2002-01-08 10:36:16 +0000 | [diff] [blame] | 13 | #if defined(WIN32) && !defined (__CYGWIN__) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 14 | #define XML_DIR_SEP '\\' |
| 15 | #else |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 16 | #define XML_DIR_SEP '/' |
| 17 | #endif |
| 18 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 19 | #include <string.h> |
| 20 | #ifdef HAVE_CTYPE_H |
| 21 | #include <ctype.h> |
| 22 | #endif |
| 23 | #ifdef HAVE_STDLIB_H |
| 24 | #include <stdlib.h> |
| 25 | #endif |
| 26 | #ifdef HAVE_SYS_STAT_H |
| 27 | #include <sys/stat.h> |
| 28 | #endif |
| 29 | #ifdef HAVE_FCNTL_H |
| 30 | #include <fcntl.h> |
| 31 | #endif |
| 32 | #ifdef HAVE_UNISTD_H |
| 33 | #include <unistd.h> |
| 34 | #endif |
| 35 | #ifdef HAVE_ZLIB_H |
| 36 | #include <zlib.h> |
| 37 | #endif |
| 38 | |
| 39 | #include <libxml/xmlmemory.h> |
| 40 | #include <libxml/tree.h> |
| 41 | #include <libxml/parser.h> |
| 42 | #include <libxml/parserInternals.h> |
| 43 | #include <libxml/valid.h> |
| 44 | #include <libxml/entities.h> |
| 45 | #include <libxml/xmlerror.h> |
| 46 | #include <libxml/encoding.h> |
| 47 | #include <libxml/valid.h> |
| 48 | #include <libxml/xmlIO.h> |
| 49 | #include <libxml/uri.h> |
Daniel Veillard | 1669828 | 2001-09-14 10:29:27 +0000 | [diff] [blame] | 50 | #include <libxml/SAX.h> |
Daniel Veillard | 5d90b6c | 2001-08-22 14:29:45 +0000 | [diff] [blame] | 51 | #ifdef LIBXML_CATALOG_ENABLED |
| 52 | #include <libxml/catalog.h> |
| 53 | #endif |
Daniel Veillard | 3c01b1d | 2001-10-17 15:58:35 +0000 | [diff] [blame] | 54 | #include <libxml/globals.h> |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 55 | |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 56 | void xmlUpgradeOldNs(xmlDocPtr doc); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 57 | |
Daniel Veillard | a53c688 | 2001-07-25 17:18:57 +0000 | [diff] [blame] | 58 | /* |
| 59 | * Various global defaults for parsing |
| 60 | */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 61 | |
Daniel Veillard | 5e2dace | 2001-07-18 19:30:27 +0000 | [diff] [blame] | 62 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 63 | * xmlCheckVersion: |
| 64 | * @version: the include version number |
| 65 | * |
| 66 | * check the compiled lib version against the include one. |
| 67 | * This can warn or immediately kill the application |
| 68 | */ |
| 69 | void |
| 70 | xmlCheckVersion(int version) { |
| 71 | int myversion = (int) LIBXML_VERSION; |
| 72 | |
Daniel Veillard | 6f35029 | 2001-10-14 09:56:15 +0000 | [diff] [blame] | 73 | xmlInitParser(); |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 74 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 75 | if ((myversion / 10000) != (version / 10000)) { |
| 76 | xmlGenericError(xmlGenericErrorContext, |
| 77 | "Fatal: program compiled against libxml %d using libxml %d\n", |
| 78 | (version / 10000), (myversion / 10000)); |
Daniel Veillard | c69e0b1 | 2001-11-20 08:35:07 +0000 | [diff] [blame] | 79 | fprintf(stderr, |
| 80 | "Fatal: program compiled against libxml %d using libxml %d\n", |
| 81 | (version / 10000), (myversion / 10000)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 82 | } |
| 83 | if ((myversion / 100) < (version / 100)) { |
| 84 | xmlGenericError(xmlGenericErrorContext, |
| 85 | "Warning: program compiled against libxml %d using older %d\n", |
| 86 | (version / 100), (myversion / 100)); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | |
Daniel Veillard | 2209073 | 2001-07-16 00:06:07 +0000 | [diff] [blame] | 91 | static const char *xmlFeaturesList[] = { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 92 | "validate", |
| 93 | "load subset", |
| 94 | "keep blanks", |
| 95 | "disable SAX", |
| 96 | "fetch external entities", |
| 97 | "substitute entities", |
| 98 | "gather line info", |
| 99 | "user data", |
| 100 | "is html", |
| 101 | "is standalone", |
| 102 | "stop parser", |
| 103 | "document", |
| 104 | "is well formed", |
| 105 | "is valid", |
| 106 | "SAX block", |
| 107 | "SAX function internalSubset", |
| 108 | "SAX function isStandalone", |
| 109 | "SAX function hasInternalSubset", |
| 110 | "SAX function hasExternalSubset", |
| 111 | "SAX function resolveEntity", |
| 112 | "SAX function getEntity", |
| 113 | "SAX function entityDecl", |
| 114 | "SAX function notationDecl", |
| 115 | "SAX function attributeDecl", |
| 116 | "SAX function elementDecl", |
| 117 | "SAX function unparsedEntityDecl", |
| 118 | "SAX function setDocumentLocator", |
| 119 | "SAX function startDocument", |
| 120 | "SAX function endDocument", |
| 121 | "SAX function startElement", |
| 122 | "SAX function endElement", |
| 123 | "SAX function reference", |
| 124 | "SAX function characters", |
| 125 | "SAX function ignorableWhitespace", |
| 126 | "SAX function processingInstruction", |
| 127 | "SAX function comment", |
| 128 | "SAX function warning", |
| 129 | "SAX function error", |
| 130 | "SAX function fatalError", |
| 131 | "SAX function getParameterEntity", |
| 132 | "SAX function cdataBlock", |
| 133 | "SAX function externalSubset", |
| 134 | }; |
| 135 | |
Daniel Veillard | 5e2dace | 2001-07-18 19:30:27 +0000 | [diff] [blame] | 136 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 137 | * xmlGetFeaturesList: |
| 138 | * @len: the length of the features name array (input/output) |
| 139 | * @result: an array of string to be filled with the features name. |
| 140 | * |
| 141 | * Copy at most *@len feature names into the @result array |
| 142 | * |
| 143 | * Returns -1 in case or error, or the total number of features, |
| 144 | * len is updated with the number of strings copied, |
| 145 | * strings must not be deallocated |
| 146 | */ |
| 147 | int |
| 148 | xmlGetFeaturesList(int *len, const char **result) { |
| 149 | int ret, i; |
| 150 | |
| 151 | ret = sizeof(xmlFeaturesList)/sizeof(xmlFeaturesList[0]); |
| 152 | if ((len == NULL) || (result == NULL)) |
| 153 | return(ret); |
| 154 | if ((*len < 0) || (*len >= 1000)) |
| 155 | return(-1); |
| 156 | if (*len > ret) |
| 157 | *len = ret; |
| 158 | for (i = 0;i < *len;i++) |
| 159 | result[i] = xmlFeaturesList[i]; |
| 160 | return(ret); |
| 161 | } |
| 162 | |
Daniel Veillard | 5e2dace | 2001-07-18 19:30:27 +0000 | [diff] [blame] | 163 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 164 | * xmlGetFeature: |
| 165 | * @ctxt: an XML/HTML parser context |
| 166 | * @name: the feature name |
| 167 | * @result: location to store the result |
| 168 | * |
| 169 | * Read the current value of one feature of this parser instance |
| 170 | * |
| 171 | * Returns -1 in case or error, 0 otherwise |
| 172 | */ |
| 173 | int |
| 174 | xmlGetFeature(xmlParserCtxtPtr ctxt, const char *name, void *result) { |
| 175 | if ((ctxt == NULL) || (name == NULL) || (result == NULL)) |
| 176 | return(-1); |
| 177 | |
| 178 | if (!strcmp(name, "validate")) { |
| 179 | *((int *) result) = ctxt->validate; |
| 180 | } else if (!strcmp(name, "keep blanks")) { |
| 181 | *((int *) result) = ctxt->keepBlanks; |
| 182 | } else if (!strcmp(name, "disable SAX")) { |
| 183 | *((int *) result) = ctxt->disableSAX; |
| 184 | } else if (!strcmp(name, "fetch external entities")) { |
| 185 | *((int *) result) = ctxt->loadsubset; |
| 186 | } else if (!strcmp(name, "substitute entities")) { |
| 187 | *((int *) result) = ctxt->replaceEntities; |
| 188 | } else if (!strcmp(name, "gather line info")) { |
| 189 | *((int *) result) = ctxt->record_info; |
| 190 | } else if (!strcmp(name, "user data")) { |
| 191 | *((void **)result) = ctxt->userData; |
| 192 | } else if (!strcmp(name, "is html")) { |
| 193 | *((int *) result) = ctxt->html; |
| 194 | } else if (!strcmp(name, "is standalone")) { |
| 195 | *((int *) result) = ctxt->standalone; |
| 196 | } else if (!strcmp(name, "document")) { |
| 197 | *((xmlDocPtr *) result) = ctxt->myDoc; |
| 198 | } else if (!strcmp(name, "is well formed")) { |
| 199 | *((int *) result) = ctxt->wellFormed; |
| 200 | } else if (!strcmp(name, "is valid")) { |
| 201 | *((int *) result) = ctxt->valid; |
| 202 | } else if (!strcmp(name, "SAX block")) { |
| 203 | *((xmlSAXHandlerPtr *) result) = ctxt->sax; |
| 204 | } else if (!strcmp(name, "SAX function internalSubset")) { |
| 205 | *((internalSubsetSAXFunc *) result) = ctxt->sax->internalSubset; |
| 206 | } else if (!strcmp(name, "SAX function isStandalone")) { |
| 207 | *((isStandaloneSAXFunc *) result) = ctxt->sax->isStandalone; |
| 208 | } else if (!strcmp(name, "SAX function hasInternalSubset")) { |
| 209 | *((hasInternalSubsetSAXFunc *) result) = ctxt->sax->hasInternalSubset; |
| 210 | } else if (!strcmp(name, "SAX function hasExternalSubset")) { |
| 211 | *((hasExternalSubsetSAXFunc *) result) = ctxt->sax->hasExternalSubset; |
| 212 | } else if (!strcmp(name, "SAX function resolveEntity")) { |
| 213 | *((resolveEntitySAXFunc *) result) = ctxt->sax->resolveEntity; |
| 214 | } else if (!strcmp(name, "SAX function getEntity")) { |
| 215 | *((getEntitySAXFunc *) result) = ctxt->sax->getEntity; |
| 216 | } else if (!strcmp(name, "SAX function entityDecl")) { |
| 217 | *((entityDeclSAXFunc *) result) = ctxt->sax->entityDecl; |
| 218 | } else if (!strcmp(name, "SAX function notationDecl")) { |
| 219 | *((notationDeclSAXFunc *) result) = ctxt->sax->notationDecl; |
| 220 | } else if (!strcmp(name, "SAX function attributeDecl")) { |
| 221 | *((attributeDeclSAXFunc *) result) = ctxt->sax->attributeDecl; |
| 222 | } else if (!strcmp(name, "SAX function elementDecl")) { |
| 223 | *((elementDeclSAXFunc *) result) = ctxt->sax->elementDecl; |
| 224 | } else if (!strcmp(name, "SAX function unparsedEntityDecl")) { |
| 225 | *((unparsedEntityDeclSAXFunc *) result) = ctxt->sax->unparsedEntityDecl; |
| 226 | } else if (!strcmp(name, "SAX function setDocumentLocator")) { |
| 227 | *((setDocumentLocatorSAXFunc *) result) = ctxt->sax->setDocumentLocator; |
| 228 | } else if (!strcmp(name, "SAX function startDocument")) { |
| 229 | *((startDocumentSAXFunc *) result) = ctxt->sax->startDocument; |
| 230 | } else if (!strcmp(name, "SAX function endDocument")) { |
| 231 | *((endDocumentSAXFunc *) result) = ctxt->sax->endDocument; |
| 232 | } else if (!strcmp(name, "SAX function startElement")) { |
| 233 | *((startElementSAXFunc *) result) = ctxt->sax->startElement; |
| 234 | } else if (!strcmp(name, "SAX function endElement")) { |
| 235 | *((endElementSAXFunc *) result) = ctxt->sax->endElement; |
| 236 | } else if (!strcmp(name, "SAX function reference")) { |
| 237 | *((referenceSAXFunc *) result) = ctxt->sax->reference; |
| 238 | } else if (!strcmp(name, "SAX function characters")) { |
| 239 | *((charactersSAXFunc *) result) = ctxt->sax->characters; |
| 240 | } else if (!strcmp(name, "SAX function ignorableWhitespace")) { |
| 241 | *((ignorableWhitespaceSAXFunc *) result) = ctxt->sax->ignorableWhitespace; |
| 242 | } else if (!strcmp(name, "SAX function processingInstruction")) { |
| 243 | *((processingInstructionSAXFunc *) result) = ctxt->sax->processingInstruction; |
| 244 | } else if (!strcmp(name, "SAX function comment")) { |
| 245 | *((commentSAXFunc *) result) = ctxt->sax->comment; |
| 246 | } else if (!strcmp(name, "SAX function warning")) { |
| 247 | *((warningSAXFunc *) result) = ctxt->sax->warning; |
| 248 | } else if (!strcmp(name, "SAX function error")) { |
| 249 | *((errorSAXFunc *) result) = ctxt->sax->error; |
| 250 | } else if (!strcmp(name, "SAX function fatalError")) { |
| 251 | *((fatalErrorSAXFunc *) result) = ctxt->sax->fatalError; |
| 252 | } else if (!strcmp(name, "SAX function getParameterEntity")) { |
| 253 | *((getParameterEntitySAXFunc *) result) = ctxt->sax->getParameterEntity; |
| 254 | } else if (!strcmp(name, "SAX function cdataBlock")) { |
| 255 | *((cdataBlockSAXFunc *) result) = ctxt->sax->cdataBlock; |
| 256 | } else if (!strcmp(name, "SAX function externalSubset")) { |
| 257 | *((externalSubsetSAXFunc *) result) = ctxt->sax->externalSubset; |
| 258 | } else { |
| 259 | return(-1); |
| 260 | } |
| 261 | return(0); |
| 262 | } |
| 263 | |
Daniel Veillard | 5e2dace | 2001-07-18 19:30:27 +0000 | [diff] [blame] | 264 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 265 | * xmlSetFeature: |
| 266 | * @ctxt: an XML/HTML parser context |
| 267 | * @name: the feature name |
| 268 | * @value: pointer to the location of the new value |
| 269 | * |
| 270 | * Change the current value of one feature of this parser instance |
| 271 | * |
| 272 | * Returns -1 in case or error, 0 otherwise |
| 273 | */ |
| 274 | int |
| 275 | xmlSetFeature(xmlParserCtxtPtr ctxt, const char *name, void *value) { |
| 276 | if ((ctxt == NULL) || (name == NULL) || (value == NULL)) |
| 277 | return(-1); |
| 278 | |
| 279 | if (!strcmp(name, "validate")) { |
| 280 | int newvalidate = *((int *) value); |
| 281 | if ((!ctxt->validate) && (newvalidate != 0)) { |
| 282 | if (ctxt->vctxt.warning == NULL) |
| 283 | ctxt->vctxt.warning = xmlParserValidityWarning; |
| 284 | if (ctxt->vctxt.error == NULL) |
| 285 | ctxt->vctxt.error = xmlParserValidityError; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 286 | ctxt->vctxt.nodeMax = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 287 | } |
| 288 | ctxt->validate = newvalidate; |
| 289 | } else if (!strcmp(name, "keep blanks")) { |
| 290 | ctxt->keepBlanks = *((int *) value); |
| 291 | } else if (!strcmp(name, "disable SAX")) { |
| 292 | ctxt->disableSAX = *((int *) value); |
| 293 | } else if (!strcmp(name, "fetch external entities")) { |
| 294 | ctxt->loadsubset = *((int *) value); |
| 295 | } else if (!strcmp(name, "substitute entities")) { |
| 296 | ctxt->replaceEntities = *((int *) value); |
| 297 | } else if (!strcmp(name, "gather line info")) { |
| 298 | ctxt->record_info = *((int *) value); |
| 299 | } else if (!strcmp(name, "user data")) { |
| 300 | ctxt->userData = *((void **)value); |
| 301 | } else if (!strcmp(name, "is html")) { |
| 302 | ctxt->html = *((int *) value); |
| 303 | } else if (!strcmp(name, "is standalone")) { |
| 304 | ctxt->standalone = *((int *) value); |
| 305 | } else if (!strcmp(name, "document")) { |
| 306 | ctxt->myDoc = *((xmlDocPtr *) value); |
| 307 | } else if (!strcmp(name, "is well formed")) { |
| 308 | ctxt->wellFormed = *((int *) value); |
| 309 | } else if (!strcmp(name, "is valid")) { |
| 310 | ctxt->valid = *((int *) value); |
| 311 | } else if (!strcmp(name, "SAX block")) { |
| 312 | ctxt->sax = *((xmlSAXHandlerPtr *) value); |
| 313 | } else if (!strcmp(name, "SAX function internalSubset")) { |
| 314 | ctxt->sax->internalSubset = *((internalSubsetSAXFunc *) value); |
| 315 | } else if (!strcmp(name, "SAX function isStandalone")) { |
| 316 | ctxt->sax->isStandalone = *((isStandaloneSAXFunc *) value); |
| 317 | } else if (!strcmp(name, "SAX function hasInternalSubset")) { |
| 318 | ctxt->sax->hasInternalSubset = *((hasInternalSubsetSAXFunc *) value); |
| 319 | } else if (!strcmp(name, "SAX function hasExternalSubset")) { |
| 320 | ctxt->sax->hasExternalSubset = *((hasExternalSubsetSAXFunc *) value); |
| 321 | } else if (!strcmp(name, "SAX function resolveEntity")) { |
| 322 | ctxt->sax->resolveEntity = *((resolveEntitySAXFunc *) value); |
| 323 | } else if (!strcmp(name, "SAX function getEntity")) { |
| 324 | ctxt->sax->getEntity = *((getEntitySAXFunc *) value); |
| 325 | } else if (!strcmp(name, "SAX function entityDecl")) { |
| 326 | ctxt->sax->entityDecl = *((entityDeclSAXFunc *) value); |
| 327 | } else if (!strcmp(name, "SAX function notationDecl")) { |
| 328 | ctxt->sax->notationDecl = *((notationDeclSAXFunc *) value); |
| 329 | } else if (!strcmp(name, "SAX function attributeDecl")) { |
| 330 | ctxt->sax->attributeDecl = *((attributeDeclSAXFunc *) value); |
| 331 | } else if (!strcmp(name, "SAX function elementDecl")) { |
| 332 | ctxt->sax->elementDecl = *((elementDeclSAXFunc *) value); |
| 333 | } else if (!strcmp(name, "SAX function unparsedEntityDecl")) { |
| 334 | ctxt->sax->unparsedEntityDecl = *((unparsedEntityDeclSAXFunc *) value); |
| 335 | } else if (!strcmp(name, "SAX function setDocumentLocator")) { |
| 336 | ctxt->sax->setDocumentLocator = *((setDocumentLocatorSAXFunc *) value); |
| 337 | } else if (!strcmp(name, "SAX function startDocument")) { |
| 338 | ctxt->sax->startDocument = *((startDocumentSAXFunc *) value); |
| 339 | } else if (!strcmp(name, "SAX function endDocument")) { |
| 340 | ctxt->sax->endDocument = *((endDocumentSAXFunc *) value); |
| 341 | } else if (!strcmp(name, "SAX function startElement")) { |
| 342 | ctxt->sax->startElement = *((startElementSAXFunc *) value); |
| 343 | } else if (!strcmp(name, "SAX function endElement")) { |
| 344 | ctxt->sax->endElement = *((endElementSAXFunc *) value); |
| 345 | } else if (!strcmp(name, "SAX function reference")) { |
| 346 | ctxt->sax->reference = *((referenceSAXFunc *) value); |
| 347 | } else if (!strcmp(name, "SAX function characters")) { |
| 348 | ctxt->sax->characters = *((charactersSAXFunc *) value); |
| 349 | } else if (!strcmp(name, "SAX function ignorableWhitespace")) { |
| 350 | ctxt->sax->ignorableWhitespace = *((ignorableWhitespaceSAXFunc *) value); |
| 351 | } else if (!strcmp(name, "SAX function processingInstruction")) { |
| 352 | ctxt->sax->processingInstruction = *((processingInstructionSAXFunc *) value); |
| 353 | } else if (!strcmp(name, "SAX function comment")) { |
| 354 | ctxt->sax->comment = *((commentSAXFunc *) value); |
| 355 | } else if (!strcmp(name, "SAX function warning")) { |
| 356 | ctxt->sax->warning = *((warningSAXFunc *) value); |
| 357 | } else if (!strcmp(name, "SAX function error")) { |
| 358 | ctxt->sax->error = *((errorSAXFunc *) value); |
| 359 | } else if (!strcmp(name, "SAX function fatalError")) { |
| 360 | ctxt->sax->fatalError = *((fatalErrorSAXFunc *) value); |
| 361 | } else if (!strcmp(name, "SAX function getParameterEntity")) { |
| 362 | ctxt->sax->getParameterEntity = *((getParameterEntitySAXFunc *) value); |
| 363 | } else if (!strcmp(name, "SAX function cdataBlock")) { |
| 364 | ctxt->sax->cdataBlock = *((cdataBlockSAXFunc *) value); |
| 365 | } else if (!strcmp(name, "SAX function externalSubset")) { |
| 366 | ctxt->sax->externalSubset = *((externalSubsetSAXFunc *) value); |
| 367 | } else { |
| 368 | return(-1); |
| 369 | } |
| 370 | return(0); |
| 371 | } |
| 372 | |
| 373 | /************************************************************************ |
| 374 | * * |
| 375 | * Some functions to avoid too large macros * |
| 376 | * * |
| 377 | ************************************************************************/ |
| 378 | |
| 379 | /** |
| 380 | * xmlIsChar: |
| 381 | * @c: an unicode character (int) |
| 382 | * |
| 383 | * Check whether the character is allowed by the production |
| 384 | * [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] |
| 385 | * | [#x10000-#x10FFFF] |
| 386 | * any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. |
| 387 | * Also available as a macro IS_CHAR() |
| 388 | * |
| 389 | * Returns 0 if not, non-zero otherwise |
| 390 | */ |
| 391 | int |
| 392 | xmlIsChar(int c) { |
| 393 | return( |
| 394 | ((c) == 0x09) || ((c) == 0x0A) || ((c) == 0x0D) || |
| 395 | (((c) >= 0x20) && ((c) <= 0xD7FF)) || |
| 396 | (((c) >= 0xE000) && ((c) <= 0xFFFD)) || |
| 397 | (((c) >= 0x10000) && ((c) <= 0x10FFFF))); |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * xmlIsBlank: |
| 402 | * @c: an unicode character (int) |
| 403 | * |
| 404 | * Check whether the character is allowed by the production |
| 405 | * [3] S ::= (#x20 | #x9 | #xD | #xA)+ |
| 406 | * Also available as a macro IS_BLANK() |
| 407 | * |
| 408 | * Returns 0 if not, non-zero otherwise |
| 409 | */ |
| 410 | int |
| 411 | xmlIsBlank(int c) { |
| 412 | return(((c) == 0x20) || ((c) == 0x09) || ((c) == 0xA) || ((c) == 0x0D)); |
| 413 | } |
| 414 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 415 | static int xmlBaseArray[] = { |
| 416 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0000 - 0x000F */ |
| 417 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0010 - 0x001F */ |
| 418 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0020 - 0x002F */ |
| 419 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0030 - 0x003F */ |
| 420 | 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x0040 - 0x004F */ |
| 421 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, /* 0x0050 - 0x005F */ |
| 422 | 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x0060 - 0x006F */ |
| 423 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, /* 0x0070 - 0x007F */ |
| 424 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0080 - 0x008F */ |
| 425 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0090 - 0x009F */ |
| 426 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00A0 - 0x00AF */ |
| 427 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00B0 - 0x00BF */ |
| 428 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x00C0 - 0x00CF */ |
| 429 | 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x00D0 - 0x00DF */ |
| 430 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x00E0 - 0x00EF */ |
| 431 | 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x00F0 - 0x00FF */ |
| 432 | }; |
| 433 | |
Daniel Veillard | 01c13b5 | 2002-12-10 15:19:08 +0000 | [diff] [blame] | 434 | /** |
| 435 | * xmlIsBaseChar: |
| 436 | * @c: an unicode character (int) |
| 437 | * |
| 438 | * Check whether the character is allowed by the production |
| 439 | * [85] BaseChar ::= ... long list see REC ... |
| 440 | * |
| 441 | * VI is your friend ! |
| 442 | * :1,$ s/\[#x\([0-9A-Z]*\)-#x\([0-9A-Z]*\)\]/ (((c) >= 0x\1) \&\& ((c) <= 0x\2)) ||/ |
| 443 | * and |
| 444 | * :1,$ s/#x\([0-9A-Z]*\)/ ((c) == 0x\1) ||/ |
| 445 | * |
| 446 | * Returns 0 if not, non-zero otherwise |
| 447 | */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 448 | int |
| 449 | xmlIsBaseChar(int c) { |
| 450 | return( |
| 451 | (((c) < 0x0100) ? xmlBaseArray[c] : |
| 452 | ( /* accelerator */ |
| 453 | (((c) >= 0x0100) && ((c) <= 0x0131)) || |
| 454 | (((c) >= 0x0134) && ((c) <= 0x013E)) || |
| 455 | (((c) >= 0x0141) && ((c) <= 0x0148)) || |
| 456 | (((c) >= 0x014A) && ((c) <= 0x017E)) || |
| 457 | (((c) >= 0x0180) && ((c) <= 0x01C3)) || |
| 458 | (((c) >= 0x01CD) && ((c) <= 0x01F0)) || |
| 459 | (((c) >= 0x01F4) && ((c) <= 0x01F5)) || |
| 460 | (((c) >= 0x01FA) && ((c) <= 0x0217)) || |
| 461 | (((c) >= 0x0250) && ((c) <= 0x02A8)) || |
| 462 | (((c) >= 0x02BB) && ((c) <= 0x02C1)) || |
| 463 | ((c) == 0x0386) || |
| 464 | (((c) >= 0x0388) && ((c) <= 0x038A)) || |
| 465 | ((c) == 0x038C) || |
| 466 | (((c) >= 0x038E) && ((c) <= 0x03A1)) || |
| 467 | (((c) >= 0x03A3) && ((c) <= 0x03CE)) || |
| 468 | (((c) >= 0x03D0) && ((c) <= 0x03D6)) || |
| 469 | ((c) == 0x03DA) || |
| 470 | ((c) == 0x03DC) || |
| 471 | ((c) == 0x03DE) || |
| 472 | ((c) == 0x03E0) || |
| 473 | (((c) >= 0x03E2) && ((c) <= 0x03F3)) || |
| 474 | (((c) >= 0x0401) && ((c) <= 0x040C)) || |
| 475 | (((c) >= 0x040E) && ((c) <= 0x044F)) || |
| 476 | (((c) >= 0x0451) && ((c) <= 0x045C)) || |
| 477 | (((c) >= 0x045E) && ((c) <= 0x0481)) || |
| 478 | (((c) >= 0x0490) && ((c) <= 0x04C4)) || |
| 479 | (((c) >= 0x04C7) && ((c) <= 0x04C8)) || |
| 480 | (((c) >= 0x04CB) && ((c) <= 0x04CC)) || |
| 481 | (((c) >= 0x04D0) && ((c) <= 0x04EB)) || |
| 482 | (((c) >= 0x04EE) && ((c) <= 0x04F5)) || |
| 483 | (((c) >= 0x04F8) && ((c) <= 0x04F9)) || |
| 484 | (((c) >= 0x0531) && ((c) <= 0x0556)) || |
| 485 | ((c) == 0x0559) || |
| 486 | (((c) >= 0x0561) && ((c) <= 0x0586)) || |
| 487 | (((c) >= 0x05D0) && ((c) <= 0x05EA)) || |
| 488 | (((c) >= 0x05F0) && ((c) <= 0x05F2)) || |
| 489 | (((c) >= 0x0621) && ((c) <= 0x063A)) || |
| 490 | (((c) >= 0x0641) && ((c) <= 0x064A)) || |
| 491 | (((c) >= 0x0671) && ((c) <= 0x06B7)) || |
| 492 | (((c) >= 0x06BA) && ((c) <= 0x06BE)) || |
| 493 | (((c) >= 0x06C0) && ((c) <= 0x06CE)) || |
| 494 | (((c) >= 0x06D0) && ((c) <= 0x06D3)) || |
| 495 | ((c) == 0x06D5) || |
| 496 | (((c) >= 0x06E5) && ((c) <= 0x06E6)) || |
| 497 | (((c) >= 0x905) && ( /* accelerator */ |
| 498 | (((c) >= 0x0905) && ((c) <= 0x0939)) || |
| 499 | ((c) == 0x093D) || |
| 500 | (((c) >= 0x0958) && ((c) <= 0x0961)) || |
| 501 | (((c) >= 0x0985) && ((c) <= 0x098C)) || |
| 502 | (((c) >= 0x098F) && ((c) <= 0x0990)) || |
| 503 | (((c) >= 0x0993) && ((c) <= 0x09A8)) || |
| 504 | (((c) >= 0x09AA) && ((c) <= 0x09B0)) || |
| 505 | ((c) == 0x09B2) || |
| 506 | (((c) >= 0x09B6) && ((c) <= 0x09B9)) || |
| 507 | (((c) >= 0x09DC) && ((c) <= 0x09DD)) || |
| 508 | (((c) >= 0x09DF) && ((c) <= 0x09E1)) || |
| 509 | (((c) >= 0x09F0) && ((c) <= 0x09F1)) || |
| 510 | (((c) >= 0x0A05) && ((c) <= 0x0A0A)) || |
| 511 | (((c) >= 0x0A0F) && ((c) <= 0x0A10)) || |
| 512 | (((c) >= 0x0A13) && ((c) <= 0x0A28)) || |
| 513 | (((c) >= 0x0A2A) && ((c) <= 0x0A30)) || |
| 514 | (((c) >= 0x0A32) && ((c) <= 0x0A33)) || |
| 515 | (((c) >= 0x0A35) && ((c) <= 0x0A36)) || |
| 516 | (((c) >= 0x0A38) && ((c) <= 0x0A39)) || |
| 517 | (((c) >= 0x0A59) && ((c) <= 0x0A5C)) || |
| 518 | ((c) == 0x0A5E) || |
| 519 | (((c) >= 0x0A72) && ((c) <= 0x0A74)) || |
| 520 | (((c) >= 0x0A85) && ((c) <= 0x0A8B)) || |
| 521 | ((c) == 0x0A8D) || |
| 522 | (((c) >= 0x0A8F) && ((c) <= 0x0A91)) || |
| 523 | (((c) >= 0x0A93) && ((c) <= 0x0AA8)) || |
| 524 | (((c) >= 0x0AAA) && ((c) <= 0x0AB0)) || |
| 525 | (((c) >= 0x0AB2) && ((c) <= 0x0AB3)) || |
| 526 | (((c) >= 0x0AB5) && ((c) <= 0x0AB9)) || |
| 527 | ((c) == 0x0ABD) || |
| 528 | ((c) == 0x0AE0) || |
| 529 | (((c) >= 0x0B05) && ((c) <= 0x0B0C)) || |
| 530 | (((c) >= 0x0B0F) && ((c) <= 0x0B10)) || |
| 531 | (((c) >= 0x0B13) && ((c) <= 0x0B28)) || |
| 532 | (((c) >= 0x0B2A) && ((c) <= 0x0B30)) || |
| 533 | (((c) >= 0x0B32) && ((c) <= 0x0B33)) || |
| 534 | (((c) >= 0x0B36) && ((c) <= 0x0B39)) || |
| 535 | ((c) == 0x0B3D) || |
| 536 | (((c) >= 0x0B5C) && ((c) <= 0x0B5D)) || |
| 537 | (((c) >= 0x0B5F) && ((c) <= 0x0B61)) || |
| 538 | (((c) >= 0x0B85) && ((c) <= 0x0B8A)) || |
| 539 | (((c) >= 0x0B8E) && ((c) <= 0x0B90)) || |
| 540 | (((c) >= 0x0B92) && ((c) <= 0x0B95)) || |
| 541 | (((c) >= 0x0B99) && ((c) <= 0x0B9A)) || |
| 542 | ((c) == 0x0B9C) || |
| 543 | (((c) >= 0x0B9E) && ((c) <= 0x0B9F)) || |
| 544 | (((c) >= 0x0BA3) && ((c) <= 0x0BA4)) || |
| 545 | (((c) >= 0x0BA8) && ((c) <= 0x0BAA)) || |
| 546 | (((c) >= 0x0BAE) && ((c) <= 0x0BB5)) || |
| 547 | (((c) >= 0x0BB7) && ((c) <= 0x0BB9)) || |
| 548 | (((c) >= 0x0C05) && ((c) <= 0x0C0C)) || |
| 549 | (((c) >= 0x0C0E) && ((c) <= 0x0C10)) || |
| 550 | (((c) >= 0x0C12) && ((c) <= 0x0C28)) || |
| 551 | (((c) >= 0x0C2A) && ((c) <= 0x0C33)) || |
| 552 | (((c) >= 0x0C35) && ((c) <= 0x0C39)) || |
| 553 | (((c) >= 0x0C60) && ((c) <= 0x0C61)) || |
| 554 | (((c) >= 0x0C85) && ((c) <= 0x0C8C)) || |
| 555 | (((c) >= 0x0C8E) && ((c) <= 0x0C90)) || |
| 556 | (((c) >= 0x0C92) && ((c) <= 0x0CA8)) || |
| 557 | (((c) >= 0x0CAA) && ((c) <= 0x0CB3)) || |
| 558 | (((c) >= 0x0CB5) && ((c) <= 0x0CB9)) || |
| 559 | ((c) == 0x0CDE) || |
| 560 | (((c) >= 0x0CE0) && ((c) <= 0x0CE1)) || |
| 561 | (((c) >= 0x0D05) && ((c) <= 0x0D0C)) || |
| 562 | (((c) >= 0x0D0E) && ((c) <= 0x0D10)) || |
| 563 | (((c) >= 0x0D12) && ((c) <= 0x0D28)) || |
| 564 | (((c) >= 0x0D2A) && ((c) <= 0x0D39)) || |
| 565 | (((c) >= 0x0D60) && ((c) <= 0x0D61)) || |
| 566 | (((c) >= 0x0E01) && ((c) <= 0x0E2E)) || |
| 567 | ((c) == 0x0E30) || |
| 568 | (((c) >= 0x0E32) && ((c) <= 0x0E33)) || |
| 569 | (((c) >= 0x0E40) && ((c) <= 0x0E45)) || |
| 570 | (((c) >= 0x0E81) && ((c) <= 0x0E82)) || |
| 571 | ((c) == 0x0E84) || |
| 572 | (((c) >= 0x0E87) && ((c) <= 0x0E88)) || |
| 573 | ((c) == 0x0E8A) || |
| 574 | ((c) == 0x0E8D) || |
| 575 | (((c) >= 0x0E94) && ((c) <= 0x0E97)) || |
| 576 | (((c) >= 0x0E99) && ((c) <= 0x0E9F)) || |
| 577 | (((c) >= 0x0EA1) && ((c) <= 0x0EA3)) || |
| 578 | ((c) == 0x0EA5) || |
| 579 | ((c) == 0x0EA7) || |
| 580 | (((c) >= 0x0EAA) && ((c) <= 0x0EAB)) || |
| 581 | (((c) >= 0x0EAD) && ((c) <= 0x0EAE)) || |
| 582 | ((c) == 0x0EB0) || |
| 583 | (((c) >= 0x0EB2) && ((c) <= 0x0EB3)) || |
| 584 | ((c) == 0x0EBD) || |
| 585 | (((c) >= 0x0EC0) && ((c) <= 0x0EC4)) || |
| 586 | (((c) >= 0x0F40) && ((c) <= 0x0F47)) || |
| 587 | (((c) >= 0x0F49) && ((c) <= 0x0F69)) || |
| 588 | (((c) >= 0x10A0) && ( /* accelerator */ |
| 589 | (((c) >= 0x10A0) && ((c) <= 0x10C5)) || |
| 590 | (((c) >= 0x10D0) && ((c) <= 0x10F6)) || |
| 591 | ((c) == 0x1100) || |
| 592 | (((c) >= 0x1102) && ((c) <= 0x1103)) || |
| 593 | (((c) >= 0x1105) && ((c) <= 0x1107)) || |
| 594 | ((c) == 0x1109) || |
| 595 | (((c) >= 0x110B) && ((c) <= 0x110C)) || |
| 596 | (((c) >= 0x110E) && ((c) <= 0x1112)) || |
| 597 | ((c) == 0x113C) || |
| 598 | ((c) == 0x113E) || |
| 599 | ((c) == 0x1140) || |
| 600 | ((c) == 0x114C) || |
| 601 | ((c) == 0x114E) || |
| 602 | ((c) == 0x1150) || |
| 603 | (((c) >= 0x1154) && ((c) <= 0x1155)) || |
| 604 | ((c) == 0x1159) || |
| 605 | (((c) >= 0x115F) && ((c) <= 0x1161)) || |
| 606 | ((c) == 0x1163) || |
| 607 | ((c) == 0x1165) || |
| 608 | ((c) == 0x1167) || |
| 609 | ((c) == 0x1169) || |
| 610 | (((c) >= 0x116D) && ((c) <= 0x116E)) || |
| 611 | (((c) >= 0x1172) && ((c) <= 0x1173)) || |
| 612 | ((c) == 0x1175) || |
| 613 | ((c) == 0x119E) || |
| 614 | ((c) == 0x11A8) || |
| 615 | ((c) == 0x11AB) || |
| 616 | (((c) >= 0x11AE) && ((c) <= 0x11AF)) || |
| 617 | (((c) >= 0x11B7) && ((c) <= 0x11B8)) || |
| 618 | ((c) == 0x11BA) || |
| 619 | (((c) >= 0x11BC) && ((c) <= 0x11C2)) || |
| 620 | ((c) == 0x11EB) || |
| 621 | ((c) == 0x11F0) || |
| 622 | ((c) == 0x11F9) || |
| 623 | (((c) >= 0x1E00) && ((c) <= 0x1E9B)) || |
| 624 | (((c) >= 0x1EA0) && ((c) <= 0x1EF9)) || |
| 625 | (((c) >= 0x1F00) && ((c) <= 0x1F15)) || |
| 626 | (((c) >= 0x1F18) && ((c) <= 0x1F1D)) || |
| 627 | (((c) >= 0x1F20) && ((c) <= 0x1F45)) || |
| 628 | (((c) >= 0x1F48) && ((c) <= 0x1F4D)) || |
| 629 | (((c) >= 0x1F50) && ((c) <= 0x1F57)) || |
| 630 | ((c) == 0x1F59) || |
| 631 | ((c) == 0x1F5B) || |
| 632 | ((c) == 0x1F5D) || |
| 633 | (((c) >= 0x1F5F) && ((c) <= 0x1F7D)) || |
| 634 | (((c) >= 0x1F80) && ((c) <= 0x1FB4)) || |
| 635 | (((c) >= 0x1FB6) && ((c) <= 0x1FBC)) || |
| 636 | ((c) == 0x1FBE) || |
| 637 | (((c) >= 0x1FC2) && ((c) <= 0x1FC4)) || |
| 638 | (((c) >= 0x1FC6) && ((c) <= 0x1FCC)) || |
| 639 | (((c) >= 0x1FD0) && ((c) <= 0x1FD3)) || |
| 640 | (((c) >= 0x1FD6) && ((c) <= 0x1FDB)) || |
| 641 | (((c) >= 0x1FE0) && ((c) <= 0x1FEC)) || |
| 642 | (((c) >= 0x1FF2) && ((c) <= 0x1FF4)) || |
| 643 | (((c) >= 0x1FF6) && ((c) <= 0x1FFC)) || |
| 644 | ((c) == 0x2126) || |
| 645 | (((c) >= 0x212A) && ((c) <= 0x212B)) || |
| 646 | ((c) == 0x212E) || |
| 647 | (((c) >= 0x2180) && ((c) <= 0x2182)) || |
| 648 | (((c) >= 0x3041) && ((c) <= 0x3094)) || |
| 649 | (((c) >= 0x30A1) && ((c) <= 0x30FA)) || |
| 650 | (((c) >= 0x3105) && ((c) <= 0x312C)) || |
| 651 | (((c) >= 0xAC00) && ((c) <= 0xD7A3))) /* accelerators */ )))))); |
| 652 | } |
| 653 | |
| 654 | /** |
| 655 | * xmlIsDigit: |
| 656 | * @c: an unicode character (int) |
| 657 | * |
| 658 | * Check whether the character is allowed by the production |
| 659 | * [88] Digit ::= ... long list see REC ... |
| 660 | * |
| 661 | * Returns 0 if not, non-zero otherwise |
| 662 | */ |
| 663 | int |
| 664 | xmlIsDigit(int c) { |
| 665 | return( |
| 666 | (((c) >= 0x0030) && ((c) <= 0x0039)) || |
| 667 | (((c) >= 0x660) && ( /* accelerator */ |
| 668 | (((c) >= 0x0660) && ((c) <= 0x0669)) || |
| 669 | (((c) >= 0x06F0) && ((c) <= 0x06F9)) || |
| 670 | (((c) >= 0x0966) && ((c) <= 0x096F)) || |
| 671 | (((c) >= 0x09E6) && ((c) <= 0x09EF)) || |
| 672 | (((c) >= 0x0A66) && ((c) <= 0x0A6F)) || |
| 673 | (((c) >= 0x0AE6) && ((c) <= 0x0AEF)) || |
| 674 | (((c) >= 0x0B66) && ((c) <= 0x0B6F)) || |
| 675 | (((c) >= 0x0BE7) && ((c) <= 0x0BEF)) || |
| 676 | (((c) >= 0x0C66) && ((c) <= 0x0C6F)) || |
| 677 | (((c) >= 0x0CE6) && ((c) <= 0x0CEF)) || |
| 678 | (((c) >= 0x0D66) && ((c) <= 0x0D6F)) || |
| 679 | (((c) >= 0x0E50) && ((c) <= 0x0E59)) || |
| 680 | (((c) >= 0x0ED0) && ((c) <= 0x0ED9)) || |
| 681 | (((c) >= 0x0F20) && ((c) <= 0x0F29))) /* accelerator */ )); |
| 682 | } |
| 683 | |
| 684 | /** |
| 685 | * xmlIsCombining: |
| 686 | * @c: an unicode character (int) |
| 687 | * |
| 688 | * Check whether the character is allowed by the production |
| 689 | * [87] CombiningChar ::= ... long list see REC ... |
| 690 | * |
| 691 | * Returns 0 if not, non-zero otherwise |
| 692 | */ |
| 693 | int |
| 694 | xmlIsCombining(int c) { |
| 695 | return( |
| 696 | (((c) >= 0x300) && ( /* accelerator */ |
| 697 | (((c) >= 0x0300) && ((c) <= 0x0345)) || |
| 698 | (((c) >= 0x0360) && ((c) <= 0x0361)) || |
| 699 | (((c) >= 0x0483) && ((c) <= 0x0486)) || |
| 700 | (((c) >= 0x0591) && ((c) <= 0x05A1)) || |
| 701 | (((c) >= 0x05A3) && ((c) <= 0x05B9)) || |
| 702 | (((c) >= 0x05BB) && ((c) <= 0x05BD)) || |
| 703 | ((c) == 0x05BF) || |
| 704 | (((c) >= 0x05C1) && ((c) <= 0x05C2)) || |
| 705 | ((c) == 0x05C4) || |
| 706 | (((c) >= 0x064B) && ((c) <= 0x0652)) || |
| 707 | ((c) == 0x0670) || |
| 708 | (((c) >= 0x06D6) && ((c) <= 0x06DC)) || |
| 709 | (((c) >= 0x06DD) && ((c) <= 0x06DF)) || |
| 710 | (((c) >= 0x06E0) && ((c) <= 0x06E4)) || |
| 711 | (((c) >= 0x06E7) && ((c) <= 0x06E8)) || |
| 712 | (((c) >= 0x06EA) && ((c) <= 0x06ED)) || |
| 713 | (((c) >= 0x0901) && ( /* accelerator */ |
| 714 | (((c) >= 0x0901) && ((c) <= 0x0903)) || |
| 715 | ((c) == 0x093C) || |
| 716 | (((c) >= 0x093E) && ((c) <= 0x094C)) || |
| 717 | ((c) == 0x094D) || |
| 718 | (((c) >= 0x0951) && ((c) <= 0x0954)) || |
| 719 | (((c) >= 0x0962) && ((c) <= 0x0963)) || |
| 720 | (((c) >= 0x0981) && ((c) <= 0x0983)) || |
| 721 | ((c) == 0x09BC) || |
| 722 | ((c) == 0x09BE) || |
| 723 | ((c) == 0x09BF) || |
| 724 | (((c) >= 0x09C0) && ((c) <= 0x09C4)) || |
| 725 | (((c) >= 0x09C7) && ((c) <= 0x09C8)) || |
| 726 | (((c) >= 0x09CB) && ((c) <= 0x09CD)) || |
| 727 | ((c) == 0x09D7) || |
| 728 | (((c) >= 0x09E2) && ((c) <= 0x09E3)) || |
| 729 | (((c) >= 0x0A02) && ( /* accelerator */ |
| 730 | ((c) == 0x0A02) || |
| 731 | ((c) == 0x0A3C) || |
| 732 | ((c) == 0x0A3E) || |
| 733 | ((c) == 0x0A3F) || |
| 734 | (((c) >= 0x0A40) && ((c) <= 0x0A42)) || |
| 735 | (((c) >= 0x0A47) && ((c) <= 0x0A48)) || |
| 736 | (((c) >= 0x0A4B) && ((c) <= 0x0A4D)) || |
| 737 | (((c) >= 0x0A70) && ((c) <= 0x0A71)) || |
| 738 | (((c) >= 0x0A81) && ((c) <= 0x0A83)) || |
| 739 | ((c) == 0x0ABC) || |
| 740 | (((c) >= 0x0ABE) && ((c) <= 0x0AC5)) || |
| 741 | (((c) >= 0x0AC7) && ((c) <= 0x0AC9)) || |
| 742 | (((c) >= 0x0ACB) && ((c) <= 0x0ACD)) || |
| 743 | (((c) >= 0x0B01) && ((c) <= 0x0B03)) || |
| 744 | ((c) == 0x0B3C) || |
| 745 | (((c) >= 0x0B3E) && ((c) <= 0x0B43)) || |
| 746 | (((c) >= 0x0B47) && ((c) <= 0x0B48)) || |
| 747 | (((c) >= 0x0B4B) && ((c) <= 0x0B4D)) || |
| 748 | (((c) >= 0x0B56) && ((c) <= 0x0B57)) || |
| 749 | (((c) >= 0x0B82) && ((c) <= 0x0B83)) || |
| 750 | (((c) >= 0x0BBE) && ((c) <= 0x0BC2)) || |
| 751 | (((c) >= 0x0BC6) && ((c) <= 0x0BC8)) || |
| 752 | (((c) >= 0x0BCA) && ((c) <= 0x0BCD)) || |
| 753 | ((c) == 0x0BD7) || |
| 754 | (((c) >= 0x0C01) && ((c) <= 0x0C03)) || |
| 755 | (((c) >= 0x0C3E) && ((c) <= 0x0C44)) || |
| 756 | (((c) >= 0x0C46) && ((c) <= 0x0C48)) || |
| 757 | (((c) >= 0x0C4A) && ((c) <= 0x0C4D)) || |
| 758 | (((c) >= 0x0C55) && ((c) <= 0x0C56)) || |
| 759 | (((c) >= 0x0C82) && ((c) <= 0x0C83)) || |
| 760 | (((c) >= 0x0CBE) && ((c) <= 0x0CC4)) || |
| 761 | (((c) >= 0x0CC6) && ((c) <= 0x0CC8)) || |
| 762 | (((c) >= 0x0CCA) && ((c) <= 0x0CCD)) || |
| 763 | (((c) >= 0x0CD5) && ((c) <= 0x0CD6)) || |
| 764 | (((c) >= 0x0D02) && ((c) <= 0x0D03)) || |
| 765 | (((c) >= 0x0D3E) && ((c) <= 0x0D43)) || |
| 766 | (((c) >= 0x0D46) && ((c) <= 0x0D48)) || |
| 767 | (((c) >= 0x0D4A) && ((c) <= 0x0D4D)) || |
| 768 | ((c) == 0x0D57) || |
| 769 | (((c) >= 0x0E31) && ( /* accelerator */ |
| 770 | ((c) == 0x0E31) || |
| 771 | (((c) >= 0x0E34) && ((c) <= 0x0E3A)) || |
| 772 | (((c) >= 0x0E47) && ((c) <= 0x0E4E)) || |
| 773 | ((c) == 0x0EB1) || |
| 774 | (((c) >= 0x0EB4) && ((c) <= 0x0EB9)) || |
| 775 | (((c) >= 0x0EBB) && ((c) <= 0x0EBC)) || |
| 776 | (((c) >= 0x0EC8) && ((c) <= 0x0ECD)) || |
| 777 | (((c) >= 0x0F18) && ((c) <= 0x0F19)) || |
| 778 | ((c) == 0x0F35) || |
| 779 | ((c) == 0x0F37) || |
| 780 | ((c) == 0x0F39) || |
| 781 | ((c) == 0x0F3E) || |
| 782 | ((c) == 0x0F3F) || |
| 783 | (((c) >= 0x0F71) && ((c) <= 0x0F84)) || |
| 784 | (((c) >= 0x0F86) && ((c) <= 0x0F8B)) || |
| 785 | (((c) >= 0x0F90) && ((c) <= 0x0F95)) || |
| 786 | ((c) == 0x0F97) || |
| 787 | (((c) >= 0x0F99) && ((c) <= 0x0FAD)) || |
| 788 | (((c) >= 0x0FB1) && ((c) <= 0x0FB7)) || |
| 789 | ((c) == 0x0FB9) || |
| 790 | (((c) >= 0x20D0) && ((c) <= 0x20DC)) || |
| 791 | ((c) == 0x20E1) || |
| 792 | (((c) >= 0x302A) && ((c) <= 0x302F)) || |
| 793 | ((c) == 0x3099) || |
| 794 | ((c) == 0x309A)))))))))); |
| 795 | } |
| 796 | |
| 797 | /** |
| 798 | * xmlIsExtender: |
| 799 | * @c: an unicode character (int) |
| 800 | * |
| 801 | * Check whether the character is allowed by the production |
| 802 | * [89] Extender ::= #x00B7 | #x02D0 | #x02D1 | #x0387 | #x0640 | |
| 803 | * #x0E46 | #x0EC6 | #x3005 | [#x3031-#x3035] | |
| 804 | * [#x309D-#x309E] | [#x30FC-#x30FE] |
| 805 | * |
| 806 | * Returns 0 if not, non-zero otherwise |
| 807 | */ |
| 808 | int |
| 809 | xmlIsExtender(int c) { |
| 810 | switch (c) { |
| 811 | case 0x00B7: case 0x02D0: case 0x02D1: case 0x0387: |
| 812 | case 0x0640: case 0x0E46: case 0x0EC6: case 0x3005: |
| 813 | case 0x3031: case 0x3032: case 0x3033: case 0x3034: |
| 814 | case 0x3035: case 0x309D: case 0x309E: case 0x30FC: |
Daniel Veillard | 4a7ae50 | 2002-02-18 19:18:17 +0000 | [diff] [blame] | 815 | case 0x30FD: case 0x30FE: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 816 | return 1; |
| 817 | default: |
| 818 | return 0; |
| 819 | } |
| 820 | } |
| 821 | |
| 822 | /** |
| 823 | * xmlIsIdeographic: |
| 824 | * @c: an unicode character (int) |
| 825 | * |
| 826 | * Check whether the character is allowed by the production |
| 827 | * [86] Ideographic ::= [#x4E00-#x9FA5] | #x3007 | [#x3021-#x3029] |
| 828 | * |
| 829 | * Returns 0 if not, non-zero otherwise |
| 830 | */ |
| 831 | int |
| 832 | xmlIsIdeographic(int c) { |
| 833 | return(((c) < 0x0100) ? 0 : |
| 834 | (((c) >= 0x4e00) && ((c) <= 0x9fa5)) || |
| 835 | (((c) >= 0xf900) && ((c) <= 0xfa2d)) || |
| 836 | (((c) >= 0x3021) && ((c) <= 0x3029)) || |
| 837 | ((c) == 0x3007)); |
| 838 | } |
| 839 | |
| 840 | /** |
| 841 | * xmlIsLetter: |
| 842 | * @c: an unicode character (int) |
| 843 | * |
| 844 | * Check whether the character is allowed by the production |
| 845 | * [84] Letter ::= BaseChar | Ideographic |
| 846 | * |
| 847 | * Returns 0 if not, non-zero otherwise |
| 848 | */ |
| 849 | int |
| 850 | xmlIsLetter(int c) { |
| 851 | return(IS_BASECHAR(c) || IS_IDEOGRAPHIC(c)); |
| 852 | } |
| 853 | |
| 854 | /** |
| 855 | * xmlIsPubidChar: |
| 856 | * @c: an unicode character (int) |
| 857 | * |
| 858 | * Check whether the character is allowed by the production |
| 859 | * [13] PubidChar ::= #x20 | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%] |
| 860 | * |
| 861 | * Returns 0 if not, non-zero otherwise |
| 862 | */ |
| 863 | int |
| 864 | xmlIsPubidChar(int c) { |
| 865 | return( |
| 866 | ((c) == 0x20) || ((c) == 0x0D) || ((c) == 0x0A) || |
| 867 | (((c) >= 'a') && ((c) <= 'z')) || |
| 868 | (((c) >= 'A') && ((c) <= 'Z')) || |
| 869 | (((c) >= '0') && ((c) <= '9')) || |
| 870 | ((c) == '-') || ((c) == '\'') || ((c) == '(') || ((c) == ')') || |
| 871 | ((c) == '+') || ((c) == ',') || ((c) == '.') || ((c) == '/') || |
| 872 | ((c) == ':') || ((c) == '=') || ((c) == '?') || ((c) == ';') || |
| 873 | ((c) == '!') || ((c) == '*') || ((c) == '#') || ((c) == '@') || |
| 874 | ((c) == '$') || ((c) == '_') || ((c) == '%')); |
| 875 | } |
| 876 | |
| 877 | /************************************************************************ |
| 878 | * * |
| 879 | * Input handling functions for progressive parsing * |
| 880 | * * |
| 881 | ************************************************************************/ |
| 882 | |
| 883 | /* #define DEBUG_INPUT */ |
| 884 | /* #define DEBUG_STACK */ |
| 885 | /* #define DEBUG_PUSH */ |
| 886 | |
| 887 | |
| 888 | /* we need to keep enough input to show errors in context */ |
| 889 | #define LINE_LEN 80 |
| 890 | |
| 891 | #ifdef DEBUG_INPUT |
| 892 | #define CHECK_BUFFER(in) check_buffer(in) |
| 893 | |
Daniel Veillard | 01c13b5 | 2002-12-10 15:19:08 +0000 | [diff] [blame] | 894 | static |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 895 | void check_buffer(xmlParserInputPtr in) { |
| 896 | if (in->base != in->buf->buffer->content) { |
| 897 | xmlGenericError(xmlGenericErrorContext, |
| 898 | "xmlParserInput: base mismatch problem\n"); |
| 899 | } |
| 900 | if (in->cur < in->base) { |
| 901 | xmlGenericError(xmlGenericErrorContext, |
| 902 | "xmlParserInput: cur < base problem\n"); |
| 903 | } |
| 904 | if (in->cur > in->base + in->buf->buffer->use) { |
| 905 | xmlGenericError(xmlGenericErrorContext, |
| 906 | "xmlParserInput: cur > base + use problem\n"); |
| 907 | } |
| 908 | xmlGenericError(xmlGenericErrorContext,"buffer %x : content %x, cur %d, use %d, size %d\n", |
| 909 | (int) in, (int) in->buf->buffer->content, in->cur - in->base, |
| 910 | in->buf->buffer->use, in->buf->buffer->size); |
| 911 | } |
| 912 | |
| 913 | #else |
| 914 | #define CHECK_BUFFER(in) |
| 915 | #endif |
| 916 | |
| 917 | |
| 918 | /** |
| 919 | * xmlParserInputRead: |
| 920 | * @in: an XML parser input |
| 921 | * @len: an indicative size for the lookahead |
| 922 | * |
| 923 | * This function refresh the input for the parser. It doesn't try to |
| 924 | * preserve pointers to the input buffer, and discard already read data |
| 925 | * |
| 926 | * Returns the number of xmlChars read, or -1 in case of error, 0 indicate the |
| 927 | * end of this entity |
| 928 | */ |
| 929 | int |
| 930 | xmlParserInputRead(xmlParserInputPtr in, int len) { |
| 931 | int ret; |
| 932 | int used; |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 933 | int indx; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 934 | |
| 935 | #ifdef DEBUG_INPUT |
| 936 | xmlGenericError(xmlGenericErrorContext, "Read\n"); |
| 937 | #endif |
| 938 | if (in->buf == NULL) return(-1); |
| 939 | if (in->base == NULL) return(-1); |
| 940 | if (in->cur == NULL) return(-1); |
| 941 | if (in->buf->buffer == NULL) return(-1); |
| 942 | if (in->buf->readcallback == NULL) return(-1); |
| 943 | |
| 944 | CHECK_BUFFER(in); |
| 945 | |
| 946 | used = in->cur - in->buf->buffer->content; |
| 947 | ret = xmlBufferShrink(in->buf->buffer, used); |
| 948 | if (ret > 0) { |
| 949 | in->cur -= ret; |
| 950 | in->consumed += ret; |
| 951 | } |
| 952 | ret = xmlParserInputBufferRead(in->buf, len); |
| 953 | if (in->base != in->buf->buffer->content) { |
| 954 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 955 | * the buffer has been reallocated |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 956 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 957 | indx = in->cur - in->base; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 958 | in->base = in->buf->buffer->content; |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 959 | in->cur = &in->buf->buffer->content[indx]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 960 | } |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 961 | in->end = &in->buf->buffer->content[in->buf->buffer->use]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 962 | |
| 963 | CHECK_BUFFER(in); |
| 964 | |
| 965 | return(ret); |
| 966 | } |
| 967 | |
| 968 | /** |
| 969 | * xmlParserInputGrow: |
| 970 | * @in: an XML parser input |
| 971 | * @len: an indicative size for the lookahead |
| 972 | * |
| 973 | * This function increase the input for the parser. It tries to |
| 974 | * preserve pointers to the input buffer, and keep already read data |
| 975 | * |
| 976 | * Returns the number of xmlChars read, or -1 in case of error, 0 indicate the |
| 977 | * end of this entity |
| 978 | */ |
| 979 | int |
| 980 | xmlParserInputGrow(xmlParserInputPtr in, int len) { |
| 981 | int ret; |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 982 | int indx; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 983 | |
| 984 | #ifdef DEBUG_INPUT |
| 985 | xmlGenericError(xmlGenericErrorContext, "Grow\n"); |
| 986 | #endif |
| 987 | if (in->buf == NULL) return(-1); |
| 988 | if (in->base == NULL) return(-1); |
| 989 | if (in->cur == NULL) return(-1); |
| 990 | if (in->buf->buffer == NULL) return(-1); |
| 991 | |
| 992 | CHECK_BUFFER(in); |
| 993 | |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 994 | indx = in->cur - in->base; |
| 995 | if (in->buf->buffer->use > (unsigned int) indx + INPUT_CHUNK) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 996 | |
| 997 | CHECK_BUFFER(in); |
| 998 | |
| 999 | return(0); |
| 1000 | } |
| 1001 | if (in->buf->readcallback != NULL) |
| 1002 | ret = xmlParserInputBufferGrow(in->buf, len); |
| 1003 | else |
| 1004 | return(0); |
| 1005 | |
| 1006 | /* |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 1007 | * NOTE : in->base may be a "dangling" i.e. freed pointer in this |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1008 | * block, but we use it really as an integer to do some |
| 1009 | * pointer arithmetic. Insure will raise it as a bug but in |
| 1010 | * that specific case, that's not ! |
| 1011 | */ |
| 1012 | if (in->base != in->buf->buffer->content) { |
| 1013 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1014 | * the buffer has been reallocated |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1015 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1016 | indx = in->cur - in->base; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1017 | in->base = in->buf->buffer->content; |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1018 | in->cur = &in->buf->buffer->content[indx]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1019 | } |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 1020 | in->end = &in->buf->buffer->content[in->buf->buffer->use]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1021 | |
| 1022 | CHECK_BUFFER(in); |
| 1023 | |
| 1024 | return(ret); |
| 1025 | } |
| 1026 | |
| 1027 | /** |
| 1028 | * xmlParserInputShrink: |
| 1029 | * @in: an XML parser input |
| 1030 | * |
| 1031 | * This function removes used input for the parser. |
| 1032 | */ |
| 1033 | void |
| 1034 | xmlParserInputShrink(xmlParserInputPtr in) { |
| 1035 | int used; |
| 1036 | int ret; |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1037 | int indx; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1038 | |
| 1039 | #ifdef DEBUG_INPUT |
| 1040 | xmlGenericError(xmlGenericErrorContext, "Shrink\n"); |
| 1041 | #endif |
| 1042 | if (in->buf == NULL) return; |
| 1043 | if (in->base == NULL) return; |
| 1044 | if (in->cur == NULL) return; |
| 1045 | if (in->buf->buffer == NULL) return; |
| 1046 | |
| 1047 | CHECK_BUFFER(in); |
| 1048 | |
| 1049 | used = in->cur - in->buf->buffer->content; |
| 1050 | /* |
| 1051 | * Do not shrink on large buffers whose only a tiny fraction |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1052 | * was consumed |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1053 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1054 | if ((int) in->buf->buffer->use > used + 2 * INPUT_CHUNK) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1055 | return; |
| 1056 | if (used > INPUT_CHUNK) { |
| 1057 | ret = xmlBufferShrink(in->buf->buffer, used - LINE_LEN); |
| 1058 | if (ret > 0) { |
| 1059 | in->cur -= ret; |
| 1060 | in->consumed += ret; |
| 1061 | } |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 1062 | in->end = &in->buf->buffer->content[in->buf->buffer->use]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1063 | } |
| 1064 | |
| 1065 | CHECK_BUFFER(in); |
| 1066 | |
| 1067 | if (in->buf->buffer->use > INPUT_CHUNK) { |
| 1068 | return; |
| 1069 | } |
| 1070 | xmlParserInputBufferRead(in->buf, 2 * INPUT_CHUNK); |
| 1071 | if (in->base != in->buf->buffer->content) { |
| 1072 | /* |
Daniel Veillard | 5e5c2d0 | 2002-02-09 18:03:01 +0000 | [diff] [blame] | 1073 | * the buffer has been reallocated |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1074 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1075 | indx = in->cur - in->base; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1076 | in->base = in->buf->buffer->content; |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1077 | in->cur = &in->buf->buffer->content[indx]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1078 | } |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 1079 | in->end = &in->buf->buffer->content[in->buf->buffer->use]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1080 | |
| 1081 | CHECK_BUFFER(in); |
| 1082 | } |
| 1083 | |
| 1084 | /************************************************************************ |
| 1085 | * * |
| 1086 | * UTF8 character input and related functions * |
| 1087 | * * |
| 1088 | ************************************************************************/ |
| 1089 | |
| 1090 | /** |
| 1091 | * xmlNextChar: |
| 1092 | * @ctxt: the XML parser context |
| 1093 | * |
| 1094 | * Skip to the next char input char. |
| 1095 | */ |
| 1096 | |
| 1097 | void |
| 1098 | xmlNextChar(xmlParserCtxtPtr ctxt) { |
| 1099 | if (ctxt->instate == XML_PARSER_EOF) |
| 1100 | return; |
| 1101 | |
| 1102 | /* |
| 1103 | * 2.11 End-of-Line Handling |
| 1104 | * the literal two-character sequence "#xD#xA" or a standalone |
| 1105 | * literal #xD, an XML processor must pass to the application |
| 1106 | * the single character #xA. |
| 1107 | */ |
Daniel Veillard | fdc9156 | 2002-07-01 21:52:03 +0000 | [diff] [blame] | 1108 | if (ctxt->charset == XML_CHAR_ENCODING_UTF8) { |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1109 | if ((*ctxt->input->cur == 0) && |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1110 | (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0) && |
| 1111 | (ctxt->instate != XML_PARSER_COMMENT)) { |
| 1112 | /* |
| 1113 | * If we are at the end of the current entity and |
| 1114 | * the context allows it, we pop consumed entities |
| 1115 | * automatically. |
| 1116 | * the auto closing should be blocked in other cases |
| 1117 | */ |
| 1118 | xmlPopInput(ctxt); |
| 1119 | } else { |
| 1120 | if (*(ctxt->input->cur) == '\n') { |
| 1121 | ctxt->input->line++; ctxt->input->col = 1; |
| 1122 | } else ctxt->input->col++; |
| 1123 | if (ctxt->charset == XML_CHAR_ENCODING_UTF8) { |
| 1124 | /* |
| 1125 | * We are supposed to handle UTF8, check it's valid |
| 1126 | * From rfc2044: encoding of the Unicode values on UTF-8: |
| 1127 | * |
| 1128 | * UCS-4 range (hex.) UTF-8 octet sequence (binary) |
| 1129 | * 0000 0000-0000 007F 0xxxxxxx |
| 1130 | * 0000 0080-0000 07FF 110xxxxx 10xxxxxx |
| 1131 | * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx |
| 1132 | * |
| 1133 | * Check for the 0x110000 limit too |
| 1134 | */ |
| 1135 | const unsigned char *cur = ctxt->input->cur; |
| 1136 | unsigned char c; |
| 1137 | |
| 1138 | c = *cur; |
| 1139 | if (c & 0x80) { |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1140 | if (cur[1] == 0) |
| 1141 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| 1142 | if ((cur[1] & 0xc0) != 0x80) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1143 | goto encoding_error; |
| 1144 | if ((c & 0xe0) == 0xe0) { |
| 1145 | unsigned int val; |
| 1146 | |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1147 | if (cur[2] == 0) |
| 1148 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| 1149 | if ((cur[2] & 0xc0) != 0x80) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1150 | goto encoding_error; |
| 1151 | if ((c & 0xf0) == 0xf0) { |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1152 | if (cur[3] == 0) |
| 1153 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| 1154 | if (((c & 0xf8) != 0xf0) || |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1155 | ((cur[3] & 0xc0) != 0x80)) |
| 1156 | goto encoding_error; |
| 1157 | /* 4-byte code */ |
| 1158 | ctxt->input->cur += 4; |
| 1159 | val = (cur[0] & 0x7) << 18; |
| 1160 | val |= (cur[1] & 0x3f) << 12; |
| 1161 | val |= (cur[2] & 0x3f) << 6; |
| 1162 | val |= cur[3] & 0x3f; |
| 1163 | } else { |
| 1164 | /* 3-byte code */ |
| 1165 | ctxt->input->cur += 3; |
| 1166 | val = (cur[0] & 0xf) << 12; |
| 1167 | val |= (cur[1] & 0x3f) << 6; |
| 1168 | val |= cur[2] & 0x3f; |
| 1169 | } |
| 1170 | if (((val > 0xd7ff) && (val < 0xe000)) || |
| 1171 | ((val > 0xfffd) && (val < 0x10000)) || |
| 1172 | (val >= 0x110000)) { |
| 1173 | if ((ctxt->sax != NULL) && |
| 1174 | (ctxt->sax->error != NULL)) |
| 1175 | ctxt->sax->error(ctxt->userData, |
| 1176 | "Char 0x%X out of allowed range\n", val); |
| 1177 | ctxt->errNo = XML_ERR_INVALID_ENCODING; |
| 1178 | ctxt->wellFormed = 0; |
Daniel Veillard | dad3f68 | 2002-11-17 16:47:27 +0000 | [diff] [blame] | 1179 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1180 | } |
| 1181 | } else |
| 1182 | /* 2-byte code */ |
| 1183 | ctxt->input->cur += 2; |
| 1184 | } else |
| 1185 | /* 1-byte code */ |
| 1186 | ctxt->input->cur++; |
| 1187 | } else { |
| 1188 | /* |
Daniel Veillard | 60087f3 | 2001-10-10 09:45:09 +0000 | [diff] [blame] | 1189 | * Assume it's a fixed length encoding (1) with |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1190 | * a compatible encoding for the ASCII set, since |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1191 | * XML constructs only use < 128 chars |
| 1192 | */ |
| 1193 | ctxt->input->cur++; |
| 1194 | } |
| 1195 | ctxt->nbChars++; |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1196 | if (*ctxt->input->cur == 0) |
| 1197 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1198 | } |
| 1199 | } else { |
| 1200 | ctxt->input->cur++; |
| 1201 | ctxt->nbChars++; |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1202 | if (*ctxt->input->cur == 0) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1203 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| 1204 | } |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1205 | if ((*ctxt->input->cur == '%') && (!ctxt->html)) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1206 | xmlParserHandlePEReference(ctxt); |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1207 | if ((*ctxt->input->cur == 0) && |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1208 | (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) |
| 1209 | xmlPopInput(ctxt); |
| 1210 | return; |
| 1211 | encoding_error: |
| 1212 | /* |
| 1213 | * If we detect an UTF8 error that probably mean that the |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1214 | * input encoding didn't get properly advertised in the |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1215 | * declaration header. Report the error and switch the encoding |
| 1216 | * to ISO-Latin-1 (if you don't like this policy, just declare the |
| 1217 | * encoding !) |
| 1218 | */ |
| 1219 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) { |
| 1220 | ctxt->sax->error(ctxt->userData, |
| 1221 | "Input is not proper UTF-8, indicate encoding !\n"); |
| 1222 | ctxt->sax->error(ctxt->userData, "Bytes: 0x%02X 0x%02X 0x%02X 0x%02X\n", |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1223 | ctxt->input->cur[0], ctxt->input->cur[1], |
| 1224 | ctxt->input->cur[2], ctxt->input->cur[3]); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1225 | } |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 1226 | ctxt->wellFormed = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1227 | ctxt->errNo = XML_ERR_INVALID_ENCODING; |
| 1228 | |
| 1229 | ctxt->charset = XML_CHAR_ENCODING_8859_1; |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1230 | ctxt->input->cur++; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1231 | return; |
| 1232 | } |
| 1233 | |
| 1234 | /** |
| 1235 | * xmlCurrentChar: |
| 1236 | * @ctxt: the XML parser context |
| 1237 | * @len: pointer to the length of the char read |
| 1238 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1239 | * The current char value, if using UTF-8 this may actually span multiple |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1240 | * bytes in the input buffer. Implement the end of line normalization: |
| 1241 | * 2.11 End-of-Line Handling |
| 1242 | * Wherever an external parsed entity or the literal entity value |
| 1243 | * of an internal parsed entity contains either the literal two-character |
| 1244 | * sequence "#xD#xA" or a standalone literal #xD, an XML processor |
| 1245 | * must pass to the application the single character #xA. |
| 1246 | * This behavior can conveniently be produced by normalizing all |
| 1247 | * line breaks to #xA on input, before parsing.) |
| 1248 | * |
Daniel Veillard | 60087f3 | 2001-10-10 09:45:09 +0000 | [diff] [blame] | 1249 | * Returns the current char value and its length |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1250 | */ |
| 1251 | |
| 1252 | int |
| 1253 | xmlCurrentChar(xmlParserCtxtPtr ctxt, int *len) { |
| 1254 | if (ctxt->instate == XML_PARSER_EOF) |
| 1255 | return(0); |
| 1256 | |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1257 | if ((*ctxt->input->cur >= 0x20) && (*ctxt->input->cur <= 0x7F)) { |
| 1258 | *len = 1; |
| 1259 | return((int) *ctxt->input->cur); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1260 | } |
| 1261 | if (ctxt->charset == XML_CHAR_ENCODING_UTF8) { |
| 1262 | /* |
| 1263 | * We are supposed to handle UTF8, check it's valid |
| 1264 | * From rfc2044: encoding of the Unicode values on UTF-8: |
| 1265 | * |
| 1266 | * UCS-4 range (hex.) UTF-8 octet sequence (binary) |
| 1267 | * 0000 0000-0000 007F 0xxxxxxx |
| 1268 | * 0000 0080-0000 07FF 110xxxxx 10xxxxxx |
| 1269 | * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx |
| 1270 | * |
| 1271 | * Check for the 0x110000 limit too |
| 1272 | */ |
| 1273 | const unsigned char *cur = ctxt->input->cur; |
| 1274 | unsigned char c; |
| 1275 | unsigned int val; |
| 1276 | |
| 1277 | c = *cur; |
| 1278 | if (c & 0x80) { |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1279 | if (cur[1] == 0) |
| 1280 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| 1281 | if ((cur[1] & 0xc0) != 0x80) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1282 | goto encoding_error; |
| 1283 | if ((c & 0xe0) == 0xe0) { |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1284 | |
| 1285 | if (cur[2] == 0) |
| 1286 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| 1287 | if ((cur[2] & 0xc0) != 0x80) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1288 | goto encoding_error; |
| 1289 | if ((c & 0xf0) == 0xf0) { |
| 1290 | if (cur[3] == 0) |
| 1291 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1292 | if (((c & 0xf8) != 0xf0) || |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1293 | ((cur[3] & 0xc0) != 0x80)) |
| 1294 | goto encoding_error; |
| 1295 | /* 4-byte code */ |
| 1296 | *len = 4; |
| 1297 | val = (cur[0] & 0x7) << 18; |
| 1298 | val |= (cur[1] & 0x3f) << 12; |
| 1299 | val |= (cur[2] & 0x3f) << 6; |
| 1300 | val |= cur[3] & 0x3f; |
| 1301 | } else { |
| 1302 | /* 3-byte code */ |
| 1303 | *len = 3; |
| 1304 | val = (cur[0] & 0xf) << 12; |
| 1305 | val |= (cur[1] & 0x3f) << 6; |
| 1306 | val |= cur[2] & 0x3f; |
| 1307 | } |
| 1308 | } else { |
| 1309 | /* 2-byte code */ |
| 1310 | *len = 2; |
| 1311 | val = (cur[0] & 0x1f) << 6; |
| 1312 | val |= cur[1] & 0x3f; |
| 1313 | } |
| 1314 | if (!IS_CHAR(val)) { |
| 1315 | if ((ctxt->sax != NULL) && |
| 1316 | (ctxt->sax->error != NULL)) |
| 1317 | ctxt->sax->error(ctxt->userData, |
| 1318 | "Char 0x%X out of allowed range\n", val); |
| 1319 | ctxt->errNo = XML_ERR_INVALID_ENCODING; |
| 1320 | ctxt->wellFormed = 0; |
Daniel Veillard | dad3f68 | 2002-11-17 16:47:27 +0000 | [diff] [blame] | 1321 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1322 | } |
| 1323 | return(val); |
| 1324 | } else { |
| 1325 | /* 1-byte code */ |
| 1326 | *len = 1; |
| 1327 | if (*ctxt->input->cur == 0xD) { |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1328 | if (ctxt->input->cur[1] == 0xA) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1329 | ctxt->nbChars++; |
| 1330 | ctxt->input->cur++; |
| 1331 | } |
| 1332 | return(0xA); |
| 1333 | } |
| 1334 | return((int) *ctxt->input->cur); |
| 1335 | } |
| 1336 | } |
| 1337 | /* |
Daniel Veillard | 60087f3 | 2001-10-10 09:45:09 +0000 | [diff] [blame] | 1338 | * Assume it's a fixed length encoding (1) with |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1339 | * a compatible encoding for the ASCII set, since |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1340 | * XML constructs only use < 128 chars |
| 1341 | */ |
| 1342 | *len = 1; |
| 1343 | if (*ctxt->input->cur == 0xD) { |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1344 | if (ctxt->input->cur[1] == 0xA) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1345 | ctxt->nbChars++; |
| 1346 | ctxt->input->cur++; |
| 1347 | } |
| 1348 | return(0xA); |
| 1349 | } |
| 1350 | return((int) *ctxt->input->cur); |
| 1351 | encoding_error: |
| 1352 | /* |
Daniel Veillard | d2ff039 | 2002-11-22 12:28:38 +0000 | [diff] [blame] | 1353 | * An encoding problem may arise from a truncated input buffer |
| 1354 | * splitting a character in the middle. In that case do not raise |
| 1355 | * an error but return 0 to endicate an end of stream problem |
| 1356 | */ |
| 1357 | if (ctxt->input->end - ctxt->input->cur < 4) { |
| 1358 | *len = 0; |
| 1359 | return(0); |
| 1360 | } |
| 1361 | |
| 1362 | /* |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1363 | * If we detect an UTF8 error that probably mean that the |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1364 | * input encoding didn't get properly advertised in the |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1365 | * declaration header. Report the error and switch the encoding |
| 1366 | * to ISO-Latin-1 (if you don't like this policy, just declare the |
| 1367 | * encoding !) |
| 1368 | */ |
| 1369 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) { |
| 1370 | ctxt->sax->error(ctxt->userData, |
| 1371 | "Input is not proper UTF-8, indicate encoding !\n"); |
| 1372 | ctxt->sax->error(ctxt->userData, "Bytes: 0x%02X 0x%02X 0x%02X 0x%02X\n", |
Daniel Veillard | 561b7f8 | 2002-03-20 21:55:57 +0000 | [diff] [blame] | 1373 | ctxt->input->cur[0], ctxt->input->cur[1], |
| 1374 | ctxt->input->cur[2], ctxt->input->cur[3]); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1375 | } |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 1376 | ctxt->wellFormed = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1377 | ctxt->errNo = XML_ERR_INVALID_ENCODING; |
| 1378 | |
| 1379 | ctxt->charset = XML_CHAR_ENCODING_8859_1; |
| 1380 | *len = 1; |
| 1381 | return((int) *ctxt->input->cur); |
| 1382 | } |
| 1383 | |
| 1384 | /** |
| 1385 | * xmlStringCurrentChar: |
| 1386 | * @ctxt: the XML parser context |
| 1387 | * @cur: pointer to the beginning of the char |
| 1388 | * @len: pointer to the length of the char read |
| 1389 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1390 | * The current char value, if using UTF-8 this may actually span multiple |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1391 | * bytes in the input buffer. |
| 1392 | * |
Daniel Veillard | 60087f3 | 2001-10-10 09:45:09 +0000 | [diff] [blame] | 1393 | * Returns the current char value and its length |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1394 | */ |
| 1395 | |
| 1396 | int |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 1397 | xmlStringCurrentChar(xmlParserCtxtPtr ctxt, const xmlChar * cur, int *len) |
| 1398 | { |
Daniel Veillard | 61d80a2 | 2001-04-27 17:13:01 +0000 | [diff] [blame] | 1399 | if ((ctxt == NULL) || (ctxt->charset == XML_CHAR_ENCODING_UTF8)) { |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 1400 | /* |
| 1401 | * We are supposed to handle UTF8, check it's valid |
| 1402 | * From rfc2044: encoding of the Unicode values on UTF-8: |
| 1403 | * |
| 1404 | * UCS-4 range (hex.) UTF-8 octet sequence (binary) |
| 1405 | * 0000 0000-0000 007F 0xxxxxxx |
| 1406 | * 0000 0080-0000 07FF 110xxxxx 10xxxxxx |
| 1407 | * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx |
| 1408 | * |
| 1409 | * Check for the 0x110000 limit too |
| 1410 | */ |
| 1411 | unsigned char c; |
| 1412 | unsigned int val; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1413 | |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 1414 | c = *cur; |
| 1415 | if (c & 0x80) { |
| 1416 | if ((cur[1] & 0xc0) != 0x80) |
| 1417 | goto encoding_error; |
| 1418 | if ((c & 0xe0) == 0xe0) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1419 | |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 1420 | if ((cur[2] & 0xc0) != 0x80) |
| 1421 | goto encoding_error; |
| 1422 | if ((c & 0xf0) == 0xf0) { |
| 1423 | if (((c & 0xf8) != 0xf0) || ((cur[3] & 0xc0) != 0x80)) |
| 1424 | goto encoding_error; |
| 1425 | /* 4-byte code */ |
| 1426 | *len = 4; |
| 1427 | val = (cur[0] & 0x7) << 18; |
| 1428 | val |= (cur[1] & 0x3f) << 12; |
| 1429 | val |= (cur[2] & 0x3f) << 6; |
| 1430 | val |= cur[3] & 0x3f; |
| 1431 | } else { |
| 1432 | /* 3-byte code */ |
| 1433 | *len = 3; |
| 1434 | val = (cur[0] & 0xf) << 12; |
| 1435 | val |= (cur[1] & 0x3f) << 6; |
| 1436 | val |= cur[2] & 0x3f; |
| 1437 | } |
| 1438 | } else { |
| 1439 | /* 2-byte code */ |
| 1440 | *len = 2; |
| 1441 | val = (cur[0] & 0x1f) << 6; |
| 1442 | val |= cur[1] & 0x3f; |
| 1443 | } |
| 1444 | if (!IS_CHAR(val)) { |
| 1445 | if ((ctxt != NULL) && (ctxt->sax != NULL) && |
| 1446 | (ctxt->sax->error != NULL)) |
| 1447 | ctxt->sax->error(ctxt->userData, |
| 1448 | "Char 0x%X out of allowed range\n", |
| 1449 | val); |
Daniel Veillard | d076a20 | 2002-11-20 13:28:31 +0000 | [diff] [blame] | 1450 | if (ctxt != NULL) { |
| 1451 | ctxt->errNo = XML_ERR_INVALID_ENCODING; |
| 1452 | ctxt->wellFormed = 0; |
| 1453 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
| 1454 | } |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 1455 | } |
| 1456 | return (val); |
| 1457 | } else { |
| 1458 | /* 1-byte code */ |
| 1459 | *len = 1; |
| 1460 | return ((int) *cur); |
| 1461 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1462 | } |
| 1463 | /* |
Daniel Veillard | 60087f3 | 2001-10-10 09:45:09 +0000 | [diff] [blame] | 1464 | * Assume it's a fixed length encoding (1) with |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1465 | * a compatible encoding for the ASCII set, since |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1466 | * XML constructs only use < 128 chars |
| 1467 | */ |
| 1468 | *len = 1; |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 1469 | return ((int) *cur); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1470 | encoding_error: |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 1471 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1472 | /* |
| 1473 | * If we detect an UTF8 error that probably mean that the |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1474 | * input encoding didn't get properly advertised in the |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1475 | * declaration header. Report the error and switch the encoding |
| 1476 | * to ISO-Latin-1 (if you don't like this policy, just declare the |
| 1477 | * encoding !) |
| 1478 | */ |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 1479 | if (ctxt != NULL) { |
| 1480 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) { |
| 1481 | ctxt->sax->error(ctxt->userData, |
| 1482 | "Input is not proper UTF-8, indicate encoding !\n"); |
| 1483 | ctxt->sax->error(ctxt->userData, |
| 1484 | "Bytes: 0x%02X 0x%02X 0x%02X 0x%02X\n", |
| 1485 | ctxt->input->cur[0], ctxt->input->cur[1], |
| 1486 | ctxt->input->cur[2], ctxt->input->cur[3]); |
| 1487 | } |
| 1488 | ctxt->errNo = XML_ERR_INVALID_ENCODING; |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 1489 | ctxt->wellFormed = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1490 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1491 | |
| 1492 | *len = 1; |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 1493 | return ((int) *cur); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1494 | } |
| 1495 | |
| 1496 | /** |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1497 | * xmlCopyCharMultiByte: |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1498 | * @out: pointer to an array of xmlChar |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1499 | * @val: the char value |
| 1500 | * |
| 1501 | * append the char value in the array |
| 1502 | * |
| 1503 | * Returns the number of xmlChar written |
| 1504 | */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1505 | int |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1506 | xmlCopyCharMultiByte(xmlChar *out, int val) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1507 | /* |
| 1508 | * We are supposed to handle UTF8, check it's valid |
| 1509 | * From rfc2044: encoding of the Unicode values on UTF-8: |
| 1510 | * |
| 1511 | * UCS-4 range (hex.) UTF-8 octet sequence (binary) |
| 1512 | * 0000 0000-0000 007F 0xxxxxxx |
| 1513 | * 0000 0080-0000 07FF 110xxxxx 10xxxxxx |
| 1514 | * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx |
| 1515 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1516 | if (val >= 0x80) { |
| 1517 | xmlChar *savedout = out; |
| 1518 | int bits; |
| 1519 | if (val < 0x800) { *out++= (val >> 6) | 0xC0; bits= 0; } |
| 1520 | else if (val < 0x10000) { *out++= (val >> 12) | 0xE0; bits= 6;} |
| 1521 | else if (val < 0x110000) { *out++= (val >> 18) | 0xF0; bits= 12; } |
| 1522 | else { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1523 | xmlGenericError(xmlGenericErrorContext, |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1524 | "Internal error, xmlCopyCharMultiByte 0x%X out of bound\n", |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1525 | val); |
| 1526 | return(0); |
| 1527 | } |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1528 | for ( ; bits >= 0; bits-= 6) |
| 1529 | *out++= ((val >> bits) & 0x3F) | 0x80 ; |
| 1530 | return (out - savedout); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1531 | } |
| 1532 | *out = (xmlChar) val; |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1533 | return 1; |
| 1534 | } |
| 1535 | |
| 1536 | /** |
| 1537 | * xmlCopyChar: |
| 1538 | * @len: Ignored, compatibility |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1539 | * @out: pointer to an array of xmlChar |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1540 | * @val: the char value |
| 1541 | * |
| 1542 | * append the char value in the array |
| 1543 | * |
| 1544 | * Returns the number of xmlChar written |
| 1545 | */ |
| 1546 | |
| 1547 | int |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 1548 | xmlCopyChar(int len ATTRIBUTE_UNUSED, xmlChar *out, int val) { |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1549 | /* the len parameter is ignored */ |
| 1550 | if (val >= 0x80) { |
| 1551 | return(xmlCopyCharMultiByte (out, val)); |
| 1552 | } |
| 1553 | *out = (xmlChar) val; |
| 1554 | return 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1555 | } |
| 1556 | |
| 1557 | /************************************************************************ |
| 1558 | * * |
| 1559 | * Commodity functions to switch encodings * |
| 1560 | * * |
| 1561 | ************************************************************************/ |
| 1562 | |
| 1563 | /** |
| 1564 | * xmlSwitchEncoding: |
| 1565 | * @ctxt: the parser context |
| 1566 | * @enc: the encoding value (number) |
| 1567 | * |
| 1568 | * change the input functions when discovering the character encoding |
| 1569 | * of a given entity. |
| 1570 | * |
| 1571 | * Returns 0 in case of success, -1 otherwise |
| 1572 | */ |
| 1573 | int |
| 1574 | xmlSwitchEncoding(xmlParserCtxtPtr ctxt, xmlCharEncoding enc) |
| 1575 | { |
| 1576 | xmlCharEncodingHandlerPtr handler; |
| 1577 | |
| 1578 | switch (enc) { |
| 1579 | case XML_CHAR_ENCODING_ERROR: |
| 1580 | ctxt->errNo = XML_ERR_UNKNOWN_ENCODING; |
| 1581 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1582 | ctxt->sax->error(ctxt->userData, "encoding unknown\n"); |
| 1583 | ctxt->wellFormed = 0; |
Daniel Veillard | dad3f68 | 2002-11-17 16:47:27 +0000 | [diff] [blame] | 1584 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1585 | break; |
| 1586 | case XML_CHAR_ENCODING_NONE: |
| 1587 | /* let's assume it's UTF-8 without the XML decl */ |
| 1588 | ctxt->charset = XML_CHAR_ENCODING_UTF8; |
| 1589 | return(0); |
| 1590 | case XML_CHAR_ENCODING_UTF8: |
| 1591 | /* default encoding, no conversion should be needed */ |
| 1592 | ctxt->charset = XML_CHAR_ENCODING_UTF8; |
Daniel Veillard | 87a764e | 2001-06-20 17:41:10 +0000 | [diff] [blame] | 1593 | |
| 1594 | /* |
| 1595 | * Errata on XML-1.0 June 20 2001 |
| 1596 | * Specific handling of the Byte Order Mark for |
| 1597 | * UTF-8 |
| 1598 | */ |
Daniel Veillard | 3e5bb8e | 2001-06-27 16:34:34 +0000 | [diff] [blame] | 1599 | if ((ctxt->input != NULL) && |
| 1600 | (ctxt->input->cur[0] == 0xEF) && |
Daniel Veillard | 87a764e | 2001-06-20 17:41:10 +0000 | [diff] [blame] | 1601 | (ctxt->input->cur[1] == 0xBB) && |
| 1602 | (ctxt->input->cur[2] == 0xBF)) { |
| 1603 | ctxt->input->cur += 3; |
| 1604 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1605 | return(0); |
| 1606 | default: |
| 1607 | break; |
| 1608 | } |
| 1609 | handler = xmlGetCharEncodingHandler(enc); |
| 1610 | if (handler == NULL) { |
| 1611 | /* |
| 1612 | * Default handlers. |
| 1613 | */ |
| 1614 | switch (enc) { |
| 1615 | case XML_CHAR_ENCODING_ERROR: |
| 1616 | ctxt->errNo = XML_ERR_UNKNOWN_ENCODING; |
| 1617 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1618 | ctxt->sax->error(ctxt->userData, "encoding unknown\n"); |
| 1619 | ctxt->wellFormed = 0; |
Daniel Veillard | dad3f68 | 2002-11-17 16:47:27 +0000 | [diff] [blame] | 1620 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1621 | ctxt->charset = XML_CHAR_ENCODING_UTF8; |
| 1622 | break; |
| 1623 | case XML_CHAR_ENCODING_NONE: |
| 1624 | /* let's assume it's UTF-8 without the XML decl */ |
| 1625 | ctxt->charset = XML_CHAR_ENCODING_UTF8; |
| 1626 | return(0); |
| 1627 | case XML_CHAR_ENCODING_UTF8: |
| 1628 | case XML_CHAR_ENCODING_ASCII: |
| 1629 | /* default encoding, no conversion should be needed */ |
| 1630 | ctxt->charset = XML_CHAR_ENCODING_UTF8; |
| 1631 | return(0); |
| 1632 | case XML_CHAR_ENCODING_UTF16LE: |
| 1633 | break; |
| 1634 | case XML_CHAR_ENCODING_UTF16BE: |
| 1635 | break; |
| 1636 | case XML_CHAR_ENCODING_UCS4LE: |
| 1637 | ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING; |
| 1638 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1639 | ctxt->sax->error(ctxt->userData, |
| 1640 | "char encoding USC4 little endian not supported\n"); |
| 1641 | break; |
| 1642 | case XML_CHAR_ENCODING_UCS4BE: |
| 1643 | ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING; |
| 1644 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1645 | ctxt->sax->error(ctxt->userData, |
| 1646 | "char encoding USC4 big endian not supported\n"); |
| 1647 | break; |
| 1648 | case XML_CHAR_ENCODING_EBCDIC: |
| 1649 | ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING; |
| 1650 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1651 | ctxt->sax->error(ctxt->userData, |
| 1652 | "char encoding EBCDIC not supported\n"); |
| 1653 | break; |
| 1654 | case XML_CHAR_ENCODING_UCS4_2143: |
| 1655 | ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING; |
| 1656 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1657 | ctxt->sax->error(ctxt->userData, |
| 1658 | "char encoding UCS4 2143 not supported\n"); |
| 1659 | break; |
| 1660 | case XML_CHAR_ENCODING_UCS4_3412: |
| 1661 | ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING; |
| 1662 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1663 | ctxt->sax->error(ctxt->userData, |
| 1664 | "char encoding UCS4 3412 not supported\n"); |
| 1665 | break; |
| 1666 | case XML_CHAR_ENCODING_UCS2: |
| 1667 | ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING; |
| 1668 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1669 | ctxt->sax->error(ctxt->userData, |
| 1670 | "char encoding UCS2 not supported\n"); |
| 1671 | break; |
| 1672 | case XML_CHAR_ENCODING_8859_1: |
| 1673 | case XML_CHAR_ENCODING_8859_2: |
| 1674 | case XML_CHAR_ENCODING_8859_3: |
| 1675 | case XML_CHAR_ENCODING_8859_4: |
| 1676 | case XML_CHAR_ENCODING_8859_5: |
| 1677 | case XML_CHAR_ENCODING_8859_6: |
| 1678 | case XML_CHAR_ENCODING_8859_7: |
| 1679 | case XML_CHAR_ENCODING_8859_8: |
| 1680 | case XML_CHAR_ENCODING_8859_9: |
| 1681 | /* |
| 1682 | * We used to keep the internal content in the |
| 1683 | * document encoding however this turns being unmaintainable |
| 1684 | * So xmlGetCharEncodingHandler() will return non-null |
| 1685 | * values for this now. |
| 1686 | */ |
| 1687 | if ((ctxt->inputNr == 1) && |
| 1688 | (ctxt->encoding == NULL) && |
| 1689 | (ctxt->input->encoding != NULL)) { |
| 1690 | ctxt->encoding = xmlStrdup(ctxt->input->encoding); |
| 1691 | } |
| 1692 | ctxt->charset = enc; |
| 1693 | return(0); |
| 1694 | case XML_CHAR_ENCODING_2022_JP: |
| 1695 | ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING; |
| 1696 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1697 | ctxt->sax->error(ctxt->userData, |
| 1698 | "char encoding ISO-2022-JPnot supported\n"); |
| 1699 | break; |
| 1700 | case XML_CHAR_ENCODING_SHIFT_JIS: |
| 1701 | ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING; |
| 1702 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1703 | ctxt->sax->error(ctxt->userData, |
| 1704 | "char encoding Shift_JIS not supported\n"); |
| 1705 | break; |
| 1706 | case XML_CHAR_ENCODING_EUC_JP: |
| 1707 | ctxt->errNo = XML_ERR_UNSUPPORTED_ENCODING; |
| 1708 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1709 | ctxt->sax->error(ctxt->userData, |
| 1710 | "char encoding EUC-JPnot supported\n"); |
| 1711 | break; |
| 1712 | } |
| 1713 | } |
| 1714 | if (handler == NULL) |
| 1715 | return(-1); |
| 1716 | ctxt->charset = XML_CHAR_ENCODING_UTF8; |
| 1717 | return(xmlSwitchToEncoding(ctxt, handler)); |
| 1718 | } |
| 1719 | |
| 1720 | /** |
| 1721 | * xmlSwitchToEncoding: |
| 1722 | * @ctxt: the parser context |
| 1723 | * @handler: the encoding handler |
| 1724 | * |
| 1725 | * change the input functions when discovering the character encoding |
| 1726 | * of a given entity. |
| 1727 | * |
| 1728 | * Returns 0 in case of success, -1 otherwise |
| 1729 | */ |
| 1730 | int |
| 1731 | xmlSwitchToEncoding(xmlParserCtxtPtr ctxt, xmlCharEncodingHandlerPtr handler) |
| 1732 | { |
| 1733 | int nbchars; |
| 1734 | |
| 1735 | if (handler != NULL) { |
| 1736 | if (ctxt->input != NULL) { |
| 1737 | if (ctxt->input->buf != NULL) { |
| 1738 | if (ctxt->input->buf->encoder != NULL) { |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 1739 | /* |
| 1740 | * Check in case the auto encoding detetection triggered |
| 1741 | * in already. |
| 1742 | */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1743 | if (ctxt->input->buf->encoder == handler) |
| 1744 | return(0); |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 1745 | |
| 1746 | /* |
| 1747 | * "UTF-16" can be used for both LE and BE |
| 1748 | */ |
| 1749 | if ((!xmlStrncmp(BAD_CAST ctxt->input->buf->encoder->name, |
| 1750 | BAD_CAST "UTF-16", 6)) && |
| 1751 | (!xmlStrncmp(BAD_CAST handler->name, |
| 1752 | BAD_CAST "UTF-16", 6))) { |
| 1753 | return(0); |
| 1754 | } |
| 1755 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1756 | /* |
| 1757 | * Note: this is a bit dangerous, but that's what it |
| 1758 | * takes to use nearly compatible signature for different |
| 1759 | * encodings. |
| 1760 | */ |
| 1761 | xmlCharEncCloseFunc(ctxt->input->buf->encoder); |
| 1762 | ctxt->input->buf->encoder = handler; |
| 1763 | return(0); |
| 1764 | } |
| 1765 | ctxt->input->buf->encoder = handler; |
| 1766 | |
| 1767 | /* |
| 1768 | * Is there already some content down the pipe to convert ? |
| 1769 | */ |
| 1770 | if ((ctxt->input->buf->buffer != NULL) && |
| 1771 | (ctxt->input->buf->buffer->use > 0)) { |
| 1772 | int processed; |
| 1773 | |
| 1774 | /* |
| 1775 | * Specific handling of the Byte Order Mark for |
| 1776 | * UTF-16 |
| 1777 | */ |
| 1778 | if ((handler->name != NULL) && |
| 1779 | (!strcmp(handler->name, "UTF-16LE")) && |
| 1780 | (ctxt->input->cur[0] == 0xFF) && |
| 1781 | (ctxt->input->cur[1] == 0xFE)) { |
| 1782 | ctxt->input->cur += 2; |
| 1783 | } |
| 1784 | if ((handler->name != NULL) && |
| 1785 | (!strcmp(handler->name, "UTF-16BE")) && |
| 1786 | (ctxt->input->cur[0] == 0xFE) && |
| 1787 | (ctxt->input->cur[1] == 0xFF)) { |
| 1788 | ctxt->input->cur += 2; |
| 1789 | } |
Daniel Veillard | 87a764e | 2001-06-20 17:41:10 +0000 | [diff] [blame] | 1790 | /* |
| 1791 | * Errata on XML-1.0 June 20 2001 |
| 1792 | * Specific handling of the Byte Order Mark for |
| 1793 | * UTF-8 |
| 1794 | */ |
| 1795 | if ((handler->name != NULL) && |
| 1796 | (!strcmp(handler->name, "UTF-8")) && |
| 1797 | (ctxt->input->cur[0] == 0xEF) && |
| 1798 | (ctxt->input->cur[1] == 0xBB) && |
Daniel Veillard | 7dd0570 | 2001-10-04 14:25:12 +0000 | [diff] [blame] | 1799 | (ctxt->input->cur[2] == 0xBF)) { |
Daniel Veillard | 87a764e | 2001-06-20 17:41:10 +0000 | [diff] [blame] | 1800 | ctxt->input->cur += 3; |
| 1801 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1802 | |
| 1803 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1804 | * Shrink the current input buffer. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1805 | * Move it as the raw buffer and create a new input buffer |
| 1806 | */ |
| 1807 | processed = ctxt->input->cur - ctxt->input->base; |
| 1808 | xmlBufferShrink(ctxt->input->buf->buffer, processed); |
| 1809 | ctxt->input->buf->raw = ctxt->input->buf->buffer; |
| 1810 | ctxt->input->buf->buffer = xmlBufferCreate(); |
| 1811 | |
| 1812 | if (ctxt->html) { |
| 1813 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1814 | * convert as much as possible of the buffer |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1815 | */ |
| 1816 | nbchars = xmlCharEncInFunc(ctxt->input->buf->encoder, |
| 1817 | ctxt->input->buf->buffer, |
| 1818 | ctxt->input->buf->raw); |
| 1819 | } else { |
| 1820 | /* |
| 1821 | * convert just enough to get |
| 1822 | * '<?xml version="1.0" encoding="xxx"?>' |
| 1823 | * parsed with the autodetected encoding |
| 1824 | * into the parser reading buffer. |
| 1825 | */ |
| 1826 | nbchars = xmlCharEncFirstLine(ctxt->input->buf->encoder, |
| 1827 | ctxt->input->buf->buffer, |
| 1828 | ctxt->input->buf->raw); |
| 1829 | } |
| 1830 | if (nbchars < 0) { |
| 1831 | xmlGenericError(xmlGenericErrorContext, |
| 1832 | "xmlSwitchToEncoding: encoder error\n"); |
| 1833 | return(-1); |
| 1834 | } |
| 1835 | ctxt->input->base = |
| 1836 | ctxt->input->cur = ctxt->input->buf->buffer->content; |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 1837 | ctxt->input->end = |
| 1838 | &ctxt->input->base[ctxt->input->buf->buffer->use]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1839 | |
| 1840 | } |
| 1841 | return(0); |
| 1842 | } else { |
| 1843 | if ((ctxt->input->length == 0) || (ctxt->input->buf == NULL)) { |
| 1844 | /* |
| 1845 | * When parsing a static memory array one must know the |
| 1846 | * size to be able to convert the buffer. |
| 1847 | */ |
| 1848 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1849 | ctxt->sax->error(ctxt->userData, |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1850 | "xmlSwitchToEncoding : no input\n"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1851 | return(-1); |
| 1852 | } else { |
| 1853 | int processed; |
| 1854 | |
| 1855 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1856 | * Shrink the current input buffer. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1857 | * Move it as the raw buffer and create a new input buffer |
| 1858 | */ |
| 1859 | processed = ctxt->input->cur - ctxt->input->base; |
| 1860 | |
| 1861 | ctxt->input->buf->raw = xmlBufferCreate(); |
| 1862 | xmlBufferAdd(ctxt->input->buf->raw, ctxt->input->cur, |
| 1863 | ctxt->input->length - processed); |
| 1864 | ctxt->input->buf->buffer = xmlBufferCreate(); |
| 1865 | |
| 1866 | /* |
| 1867 | * convert as much as possible of the raw input |
| 1868 | * to the parser reading buffer. |
| 1869 | */ |
| 1870 | nbchars = xmlCharEncInFunc(ctxt->input->buf->encoder, |
| 1871 | ctxt->input->buf->buffer, |
| 1872 | ctxt->input->buf->raw); |
| 1873 | if (nbchars < 0) { |
| 1874 | xmlGenericError(xmlGenericErrorContext, |
| 1875 | "xmlSwitchToEncoding: encoder error\n"); |
| 1876 | return(-1); |
| 1877 | } |
| 1878 | |
| 1879 | /* |
| 1880 | * Conversion succeeded, get rid of the old buffer |
| 1881 | */ |
| 1882 | if ((ctxt->input->free != NULL) && |
| 1883 | (ctxt->input->base != NULL)) |
| 1884 | ctxt->input->free((xmlChar *) ctxt->input->base); |
| 1885 | ctxt->input->base = |
| 1886 | ctxt->input->cur = ctxt->input->buf->buffer->content; |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 1887 | ctxt->input->end = |
| 1888 | &ctxt->input->base[ctxt->input->buf->buffer->use]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1889 | } |
| 1890 | } |
| 1891 | } else { |
| 1892 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1893 | ctxt->sax->error(ctxt->userData, |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1894 | "xmlSwitchToEncoding : no input\n"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1895 | return(-1); |
| 1896 | } |
| 1897 | /* |
| 1898 | * The parsing is now done in UTF8 natively |
| 1899 | */ |
| 1900 | ctxt->charset = XML_CHAR_ENCODING_UTF8; |
| 1901 | } else |
| 1902 | return(-1); |
| 1903 | return(0); |
| 1904 | |
| 1905 | } |
| 1906 | |
| 1907 | /************************************************************************ |
| 1908 | * * |
| 1909 | * Commodity functions to handle entities processing * |
| 1910 | * * |
| 1911 | ************************************************************************/ |
| 1912 | |
| 1913 | /** |
| 1914 | * xmlFreeInputStream: |
| 1915 | * @input: an xmlParserInputPtr |
| 1916 | * |
| 1917 | * Free up an input stream. |
| 1918 | */ |
| 1919 | void |
| 1920 | xmlFreeInputStream(xmlParserInputPtr input) { |
| 1921 | if (input == NULL) return; |
| 1922 | |
| 1923 | if (input->filename != NULL) xmlFree((char *) input->filename); |
| 1924 | if (input->directory != NULL) xmlFree((char *) input->directory); |
| 1925 | if (input->encoding != NULL) xmlFree((char *) input->encoding); |
| 1926 | if (input->version != NULL) xmlFree((char *) input->version); |
| 1927 | if ((input->free != NULL) && (input->base != NULL)) |
| 1928 | input->free((xmlChar *) input->base); |
| 1929 | if (input->buf != NULL) |
| 1930 | xmlFreeParserInputBuffer(input->buf); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1931 | xmlFree(input); |
| 1932 | } |
| 1933 | |
| 1934 | /** |
| 1935 | * xmlNewInputStream: |
| 1936 | * @ctxt: an XML parser context |
| 1937 | * |
| 1938 | * Create a new input stream structure |
| 1939 | * Returns the new input stream or NULL |
| 1940 | */ |
| 1941 | xmlParserInputPtr |
| 1942 | xmlNewInputStream(xmlParserCtxtPtr ctxt) { |
| 1943 | xmlParserInputPtr input; |
| 1944 | |
| 1945 | input = (xmlParserInputPtr) xmlMalloc(sizeof(xmlParserInput)); |
| 1946 | if (input == NULL) { |
| 1947 | if (ctxt != NULL) { |
| 1948 | ctxt->errNo = XML_ERR_NO_MEMORY; |
| 1949 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1950 | ctxt->sax->error(ctxt->userData, |
| 1951 | "malloc: couldn't allocate a new input stream\n"); |
| 1952 | ctxt->errNo = XML_ERR_NO_MEMORY; |
| 1953 | } |
| 1954 | return(NULL); |
| 1955 | } |
| 1956 | memset(input, 0, sizeof(xmlParserInput)); |
| 1957 | input->line = 1; |
| 1958 | input->col = 1; |
| 1959 | input->standalone = -1; |
| 1960 | return(input); |
| 1961 | } |
| 1962 | |
| 1963 | /** |
| 1964 | * xmlNewIOInputStream: |
| 1965 | * @ctxt: an XML parser context |
| 1966 | * @input: an I/O Input |
| 1967 | * @enc: the charset encoding if known |
| 1968 | * |
| 1969 | * Create a new input stream structure encapsulating the @input into |
| 1970 | * a stream suitable for the parser. |
| 1971 | * |
| 1972 | * Returns the new input stream or NULL |
| 1973 | */ |
| 1974 | xmlParserInputPtr |
| 1975 | xmlNewIOInputStream(xmlParserCtxtPtr ctxt, xmlParserInputBufferPtr input, |
| 1976 | xmlCharEncoding enc) { |
| 1977 | xmlParserInputPtr inputStream; |
| 1978 | |
| 1979 | if (xmlParserDebugEntities) |
| 1980 | xmlGenericError(xmlGenericErrorContext, "new input from I/O\n"); |
| 1981 | inputStream = xmlNewInputStream(ctxt); |
| 1982 | if (inputStream == NULL) { |
| 1983 | return(NULL); |
| 1984 | } |
| 1985 | inputStream->filename = NULL; |
| 1986 | inputStream->buf = input; |
| 1987 | inputStream->base = inputStream->buf->buffer->content; |
| 1988 | inputStream->cur = inputStream->buf->buffer->content; |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 1989 | inputStream->end = &inputStream->base[inputStream->buf->buffer->use]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1990 | if (enc != XML_CHAR_ENCODING_NONE) { |
| 1991 | xmlSwitchEncoding(ctxt, enc); |
| 1992 | } |
| 1993 | |
| 1994 | return(inputStream); |
| 1995 | } |
| 1996 | |
| 1997 | /** |
| 1998 | * xmlNewEntityInputStream: |
| 1999 | * @ctxt: an XML parser context |
| 2000 | * @entity: an Entity pointer |
| 2001 | * |
| 2002 | * Create a new input stream based on an xmlEntityPtr |
| 2003 | * |
| 2004 | * Returns the new input stream or NULL |
| 2005 | */ |
| 2006 | xmlParserInputPtr |
| 2007 | xmlNewEntityInputStream(xmlParserCtxtPtr ctxt, xmlEntityPtr entity) { |
| 2008 | xmlParserInputPtr input; |
| 2009 | |
| 2010 | if (entity == NULL) { |
| 2011 | ctxt->errNo = XML_ERR_INTERNAL_ERROR; |
| 2012 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2013 | ctxt->sax->error(ctxt->userData, |
| 2014 | "internal: xmlNewEntityInputStream entity = NULL\n"); |
| 2015 | ctxt->errNo = XML_ERR_INTERNAL_ERROR; |
| 2016 | return(NULL); |
| 2017 | } |
| 2018 | if (xmlParserDebugEntities) |
| 2019 | xmlGenericError(xmlGenericErrorContext, |
| 2020 | "new input from entity: %s\n", entity->name); |
| 2021 | if (entity->content == NULL) { |
| 2022 | switch (entity->etype) { |
| 2023 | case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY: |
| 2024 | ctxt->errNo = XML_ERR_UNPARSED_ENTITY; |
| 2025 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2026 | ctxt->sax->error(ctxt->userData, |
| 2027 | "xmlNewEntityInputStream unparsed entity !\n"); |
| 2028 | break; |
| 2029 | case XML_EXTERNAL_GENERAL_PARSED_ENTITY: |
| 2030 | case XML_EXTERNAL_PARAMETER_ENTITY: |
| 2031 | return(xmlLoadExternalEntity((char *) entity->URI, |
| 2032 | (char *) entity->ExternalID, ctxt)); |
| 2033 | case XML_INTERNAL_GENERAL_ENTITY: |
| 2034 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2035 | ctxt->sax->error(ctxt->userData, |
| 2036 | "Internal entity %s without content !\n", entity->name); |
| 2037 | break; |
| 2038 | case XML_INTERNAL_PARAMETER_ENTITY: |
| 2039 | ctxt->errNo = XML_ERR_INTERNAL_ERROR; |
| 2040 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2041 | ctxt->sax->error(ctxt->userData, |
| 2042 | "Internal parameter entity %s without content !\n", entity->name); |
| 2043 | break; |
| 2044 | case XML_INTERNAL_PREDEFINED_ENTITY: |
| 2045 | ctxt->errNo = XML_ERR_INTERNAL_ERROR; |
| 2046 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2047 | ctxt->sax->error(ctxt->userData, |
| 2048 | "Predefined entity %s without content !\n", entity->name); |
| 2049 | break; |
| 2050 | } |
| 2051 | return(NULL); |
| 2052 | } |
| 2053 | input = xmlNewInputStream(ctxt); |
| 2054 | if (input == NULL) { |
| 2055 | return(NULL); |
| 2056 | } |
| 2057 | input->filename = (char *) entity->URI; |
| 2058 | input->base = entity->content; |
| 2059 | input->cur = entity->content; |
| 2060 | input->length = entity->length; |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 2061 | input->end = &entity->content[input->length]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2062 | return(input); |
| 2063 | } |
| 2064 | |
| 2065 | /** |
| 2066 | * xmlNewStringInputStream: |
| 2067 | * @ctxt: an XML parser context |
| 2068 | * @buffer: an memory buffer |
| 2069 | * |
| 2070 | * Create a new input stream based on a memory buffer. |
| 2071 | * Returns the new input stream |
| 2072 | */ |
| 2073 | xmlParserInputPtr |
| 2074 | xmlNewStringInputStream(xmlParserCtxtPtr ctxt, const xmlChar *buffer) { |
| 2075 | xmlParserInputPtr input; |
| 2076 | |
| 2077 | if (buffer == NULL) { |
| 2078 | ctxt->errNo = XML_ERR_INTERNAL_ERROR; |
| 2079 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2080 | ctxt->sax->error(ctxt->userData, |
| 2081 | "internal: xmlNewStringInputStream string = NULL\n"); |
| 2082 | return(NULL); |
| 2083 | } |
| 2084 | if (xmlParserDebugEntities) |
| 2085 | xmlGenericError(xmlGenericErrorContext, |
| 2086 | "new fixed input: %.30s\n", buffer); |
| 2087 | input = xmlNewInputStream(ctxt); |
| 2088 | if (input == NULL) { |
| 2089 | return(NULL); |
| 2090 | } |
| 2091 | input->base = buffer; |
| 2092 | input->cur = buffer; |
| 2093 | input->length = xmlStrlen(buffer); |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 2094 | input->end = &buffer[input->length]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2095 | return(input); |
| 2096 | } |
| 2097 | |
| 2098 | /** |
| 2099 | * xmlNewInputFromFile: |
| 2100 | * @ctxt: an XML parser context |
| 2101 | * @filename: the filename to use as entity |
| 2102 | * |
| 2103 | * Create a new input stream based on a file. |
| 2104 | * |
| 2105 | * Returns the new input stream or NULL in case of error |
| 2106 | */ |
| 2107 | xmlParserInputPtr |
| 2108 | xmlNewInputFromFile(xmlParserCtxtPtr ctxt, const char *filename) { |
| 2109 | xmlParserInputBufferPtr buf; |
| 2110 | xmlParserInputPtr inputStream; |
| 2111 | char *directory = NULL; |
| 2112 | xmlChar *URI = NULL; |
| 2113 | |
| 2114 | if (xmlParserDebugEntities) |
| 2115 | xmlGenericError(xmlGenericErrorContext, |
| 2116 | "new input from file: %s\n", filename); |
| 2117 | if (ctxt == NULL) return(NULL); |
| 2118 | buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE); |
| 2119 | if (buf == NULL) |
| 2120 | return(NULL); |
| 2121 | |
| 2122 | URI = xmlStrdup((xmlChar *) filename); |
| 2123 | directory = xmlParserGetDirectory((const char *) URI); |
| 2124 | |
| 2125 | inputStream = xmlNewInputStream(ctxt); |
| 2126 | if (inputStream == NULL) { |
| 2127 | if (directory != NULL) xmlFree((char *) directory); |
| 2128 | if (URI != NULL) xmlFree((char *) URI); |
| 2129 | return(NULL); |
| 2130 | } |
| 2131 | |
| 2132 | inputStream->filename = (const char *) URI; |
| 2133 | inputStream->directory = directory; |
| 2134 | inputStream->buf = buf; |
| 2135 | |
| 2136 | inputStream->base = inputStream->buf->buffer->content; |
| 2137 | inputStream->cur = inputStream->buf->buffer->content; |
Daniel Veillard | 48b2f89 | 2001-02-25 16:11:03 +0000 | [diff] [blame] | 2138 | inputStream->end = &inputStream->base[inputStream->buf->buffer->use]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2139 | if ((ctxt->directory == NULL) && (directory != NULL)) |
| 2140 | ctxt->directory = (char *) xmlStrdup((const xmlChar *) directory); |
| 2141 | return(inputStream); |
| 2142 | } |
| 2143 | |
| 2144 | /************************************************************************ |
| 2145 | * * |
| 2146 | * Commodity functions to handle parser contexts * |
| 2147 | * * |
| 2148 | ************************************************************************/ |
| 2149 | |
| 2150 | /** |
| 2151 | * xmlInitParserCtxt: |
| 2152 | * @ctxt: an XML parser context |
| 2153 | * |
| 2154 | * Initialize a parser context |
| 2155 | */ |
| 2156 | |
| 2157 | void |
| 2158 | xmlInitParserCtxt(xmlParserCtxtPtr ctxt) |
| 2159 | { |
Daniel Veillard | 5d96fff | 2001-08-31 14:55:30 +0000 | [diff] [blame] | 2160 | if(ctxt==NULL) { |
| 2161 | xmlGenericError(xmlGenericErrorContext, |
| 2162 | "xmlInitParserCtxt: NULL context given\n"); |
| 2163 | return; |
| 2164 | } |
| 2165 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2166 | xmlDefaultSAXHandlerInit(); |
| 2167 | |
William M. Brack | 8b2c7f1 | 2002-11-22 05:07:29 +0000 | [diff] [blame] | 2168 | ctxt->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler)); |
| 2169 | if (ctxt->sax == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2170 | xmlGenericError(xmlGenericErrorContext, |
| 2171 | "xmlInitParserCtxt: out of memory\n"); |
| 2172 | } |
| 2173 | else |
William M. Brack | 8b2c7f1 | 2002-11-22 05:07:29 +0000 | [diff] [blame] | 2174 | memcpy(ctxt->sax, &xmlDefaultSAXHandler, sizeof(xmlSAXHandler)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2175 | |
| 2176 | /* Allocate the Input stack */ |
| 2177 | ctxt->inputTab = (xmlParserInputPtr *) |
| 2178 | xmlMalloc(5 * sizeof(xmlParserInputPtr)); |
| 2179 | if (ctxt->inputTab == NULL) { |
| 2180 | xmlGenericError(xmlGenericErrorContext, |
| 2181 | "xmlInitParserCtxt: out of memory\n"); |
| 2182 | ctxt->inputNr = 0; |
| 2183 | ctxt->inputMax = 0; |
| 2184 | ctxt->input = NULL; |
| 2185 | return; |
| 2186 | } |
| 2187 | ctxt->inputNr = 0; |
| 2188 | ctxt->inputMax = 5; |
| 2189 | ctxt->input = NULL; |
| 2190 | |
| 2191 | ctxt->version = NULL; |
| 2192 | ctxt->encoding = NULL; |
| 2193 | ctxt->standalone = -1; |
| 2194 | ctxt->hasExternalSubset = 0; |
| 2195 | ctxt->hasPErefs = 0; |
| 2196 | ctxt->html = 0; |
| 2197 | ctxt->external = 0; |
| 2198 | ctxt->instate = XML_PARSER_START; |
| 2199 | ctxt->token = 0; |
| 2200 | ctxt->directory = NULL; |
| 2201 | |
| 2202 | /* Allocate the Node stack */ |
| 2203 | ctxt->nodeTab = (xmlNodePtr *) xmlMalloc(10 * sizeof(xmlNodePtr)); |
| 2204 | if (ctxt->nodeTab == NULL) { |
| 2205 | xmlGenericError(xmlGenericErrorContext, |
| 2206 | "xmlInitParserCtxt: out of memory\n"); |
| 2207 | ctxt->nodeNr = 0; |
| 2208 | ctxt->nodeMax = 0; |
| 2209 | ctxt->node = NULL; |
| 2210 | ctxt->inputNr = 0; |
| 2211 | ctxt->inputMax = 0; |
| 2212 | ctxt->input = NULL; |
| 2213 | return; |
| 2214 | } |
| 2215 | ctxt->nodeNr = 0; |
| 2216 | ctxt->nodeMax = 10; |
| 2217 | ctxt->node = NULL; |
| 2218 | |
| 2219 | /* Allocate the Name stack */ |
| 2220 | ctxt->nameTab = (xmlChar **) xmlMalloc(10 * sizeof(xmlChar *)); |
| 2221 | if (ctxt->nameTab == NULL) { |
| 2222 | xmlGenericError(xmlGenericErrorContext, |
| 2223 | "xmlInitParserCtxt: out of memory\n"); |
| 2224 | ctxt->nodeNr = 0; |
| 2225 | ctxt->nodeMax = 0; |
| 2226 | ctxt->node = NULL; |
| 2227 | ctxt->inputNr = 0; |
| 2228 | ctxt->inputMax = 0; |
| 2229 | ctxt->input = NULL; |
| 2230 | ctxt->nameNr = 0; |
| 2231 | ctxt->nameMax = 0; |
| 2232 | ctxt->name = NULL; |
| 2233 | return; |
| 2234 | } |
| 2235 | ctxt->nameNr = 0; |
| 2236 | ctxt->nameMax = 10; |
| 2237 | ctxt->name = NULL; |
| 2238 | |
| 2239 | /* Allocate the space stack */ |
| 2240 | ctxt->spaceTab = (int *) xmlMalloc(10 * sizeof(int)); |
| 2241 | if (ctxt->spaceTab == NULL) { |
| 2242 | xmlGenericError(xmlGenericErrorContext, |
| 2243 | "xmlInitParserCtxt: out of memory\n"); |
| 2244 | ctxt->nodeNr = 0; |
| 2245 | ctxt->nodeMax = 0; |
| 2246 | ctxt->node = NULL; |
| 2247 | ctxt->inputNr = 0; |
| 2248 | ctxt->inputMax = 0; |
| 2249 | ctxt->input = NULL; |
| 2250 | ctxt->nameNr = 0; |
| 2251 | ctxt->nameMax = 0; |
| 2252 | ctxt->name = NULL; |
| 2253 | ctxt->spaceNr = 0; |
| 2254 | ctxt->spaceMax = 0; |
| 2255 | ctxt->space = NULL; |
| 2256 | return; |
| 2257 | } |
| 2258 | ctxt->spaceNr = 1; |
| 2259 | ctxt->spaceMax = 10; |
| 2260 | ctxt->spaceTab[0] = -1; |
| 2261 | ctxt->space = &ctxt->spaceTab[0]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2262 | ctxt->userData = ctxt; |
| 2263 | ctxt->myDoc = NULL; |
| 2264 | ctxt->wellFormed = 1; |
| 2265 | ctxt->valid = 1; |
| 2266 | ctxt->loadsubset = xmlLoadExtDtdDefaultValue; |
| 2267 | ctxt->validate = xmlDoValidityCheckingDefaultValue; |
| 2268 | ctxt->pedantic = xmlPedanticParserDefaultValue; |
Daniel Veillard | a53c688 | 2001-07-25 17:18:57 +0000 | [diff] [blame] | 2269 | ctxt->linenumbers = xmlLineNumbersDefaultValue; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2270 | ctxt->keepBlanks = xmlKeepBlanksDefaultValue; |
Daniel Veillard | 1669828 | 2001-09-14 10:29:27 +0000 | [diff] [blame] | 2271 | if (ctxt->keepBlanks == 0) |
William M. Brack | 8b2c7f1 | 2002-11-22 05:07:29 +0000 | [diff] [blame] | 2272 | ctxt->sax->ignorableWhitespace = ignorableWhitespace; |
Daniel Veillard | 1669828 | 2001-09-14 10:29:27 +0000 | [diff] [blame] | 2273 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2274 | ctxt->vctxt.userData = ctxt; |
Daniel Veillard | 4e1b26c | 2002-02-03 20:13:06 +0000 | [diff] [blame] | 2275 | ctxt->vctxt.error = xmlParserValidityError; |
| 2276 | ctxt->vctxt.warning = xmlParserValidityWarning; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2277 | if (ctxt->validate) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2278 | if (xmlGetWarningsDefaultValue == 0) |
| 2279 | ctxt->vctxt.warning = NULL; |
| 2280 | else |
| 2281 | ctxt->vctxt.warning = xmlParserValidityWarning; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 2282 | ctxt->vctxt.nodeMax = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2283 | } |
| 2284 | ctxt->replaceEntities = xmlSubstituteEntitiesDefaultValue; |
| 2285 | ctxt->record_info = 0; |
| 2286 | ctxt->nbChars = 0; |
| 2287 | ctxt->checkIndex = 0; |
| 2288 | ctxt->inSubset = 0; |
| 2289 | ctxt->errNo = XML_ERR_OK; |
| 2290 | ctxt->depth = 0; |
| 2291 | ctxt->charset = XML_CHAR_ENCODING_UTF8; |
Daniel Veillard | 5d90b6c | 2001-08-22 14:29:45 +0000 | [diff] [blame] | 2292 | ctxt->catalogs = NULL; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2293 | xmlInitNodeInfoSeq(&ctxt->node_seq); |
| 2294 | } |
| 2295 | |
| 2296 | /** |
| 2297 | * xmlFreeParserCtxt: |
| 2298 | * @ctxt: an XML parser context |
| 2299 | * |
| 2300 | * Free all the memory used by a parser context. However the parsed |
| 2301 | * document in ctxt->myDoc is not freed. |
| 2302 | */ |
| 2303 | |
| 2304 | void |
| 2305 | xmlFreeParserCtxt(xmlParserCtxtPtr ctxt) |
| 2306 | { |
| 2307 | xmlParserInputPtr input; |
| 2308 | xmlChar *oldname; |
| 2309 | |
| 2310 | if (ctxt == NULL) return; |
| 2311 | |
| 2312 | while ((input = inputPop(ctxt)) != NULL) { /* Non consuming */ |
| 2313 | xmlFreeInputStream(input); |
| 2314 | } |
| 2315 | while ((oldname = namePop(ctxt)) != NULL) { /* Non consuming */ |
| 2316 | xmlFree(oldname); |
| 2317 | } |
| 2318 | if (ctxt->spaceTab != NULL) xmlFree(ctxt->spaceTab); |
| 2319 | if (ctxt->nameTab != NULL) xmlFree(ctxt->nameTab); |
| 2320 | if (ctxt->nodeTab != NULL) xmlFree(ctxt->nodeTab); |
| 2321 | if (ctxt->inputTab != NULL) xmlFree(ctxt->inputTab); |
| 2322 | if (ctxt->version != NULL) xmlFree((char *) ctxt->version); |
| 2323 | if (ctxt->encoding != NULL) xmlFree((char *) ctxt->encoding); |
| 2324 | if (ctxt->intSubName != NULL) xmlFree((char *) ctxt->intSubName); |
| 2325 | if (ctxt->extSubURI != NULL) xmlFree((char *) ctxt->extSubURI); |
| 2326 | if (ctxt->extSubSystem != NULL) xmlFree((char *) ctxt->extSubSystem); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2327 | if ((ctxt->sax != NULL) && (ctxt->sax != &xmlDefaultSAXHandler)) |
| 2328 | xmlFree(ctxt->sax); |
| 2329 | if (ctxt->directory != NULL) xmlFree((char *) ctxt->directory); |
Daniel Veillard | a9142e7 | 2001-06-19 11:07:54 +0000 | [diff] [blame] | 2330 | if (ctxt->vctxt.nodeTab != NULL) xmlFree(ctxt->vctxt.nodeTab); |
Daniel Veillard | 5d90b6c | 2001-08-22 14:29:45 +0000 | [diff] [blame] | 2331 | #ifdef LIBXML_CATALOG_ENABLED |
| 2332 | if (ctxt->catalogs != NULL) |
| 2333 | xmlCatalogFreeLocal(ctxt->catalogs); |
| 2334 | #endif |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2335 | xmlFree(ctxt); |
| 2336 | } |
| 2337 | |
| 2338 | /** |
| 2339 | * xmlNewParserCtxt: |
| 2340 | * |
| 2341 | * Allocate and initialize a new parser context. |
| 2342 | * |
| 2343 | * Returns the xmlParserCtxtPtr or NULL |
| 2344 | */ |
| 2345 | |
| 2346 | xmlParserCtxtPtr |
| 2347 | xmlNewParserCtxt() |
| 2348 | { |
| 2349 | xmlParserCtxtPtr ctxt; |
| 2350 | |
| 2351 | ctxt = (xmlParserCtxtPtr) xmlMalloc(sizeof(xmlParserCtxt)); |
| 2352 | if (ctxt == NULL) { |
| 2353 | xmlGenericError(xmlGenericErrorContext, |
| 2354 | "xmlNewParserCtxt : cannot allocate context\n"); |
Daniel Veillard | 3487c8d | 2002-09-05 11:33:25 +0000 | [diff] [blame] | 2355 | xmlGenericError(xmlGenericErrorContext, "malloc failed"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2356 | return(NULL); |
| 2357 | } |
| 2358 | memset(ctxt, 0, sizeof(xmlParserCtxt)); |
| 2359 | xmlInitParserCtxt(ctxt); |
| 2360 | return(ctxt); |
| 2361 | } |
| 2362 | |
| 2363 | /************************************************************************ |
| 2364 | * * |
| 2365 | * Handling of node informations * |
| 2366 | * * |
| 2367 | ************************************************************************/ |
| 2368 | |
| 2369 | /** |
| 2370 | * xmlClearParserCtxt: |
| 2371 | * @ctxt: an XML parser context |
| 2372 | * |
| 2373 | * Clear (release owned resources) and reinitialize a parser context |
| 2374 | */ |
| 2375 | |
| 2376 | void |
| 2377 | xmlClearParserCtxt(xmlParserCtxtPtr ctxt) |
| 2378 | { |
Daniel Veillard | 5d96fff | 2001-08-31 14:55:30 +0000 | [diff] [blame] | 2379 | if (ctxt==NULL) |
| 2380 | return; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2381 | xmlClearNodeInfoSeq(&ctxt->node_seq); |
| 2382 | xmlInitParserCtxt(ctxt); |
| 2383 | } |
| 2384 | |
| 2385 | /** |
| 2386 | * xmlParserFindNodeInfo: |
Daniel Veillard | 01c13b5 | 2002-12-10 15:19:08 +0000 | [diff] [blame] | 2387 | * @ctx: an XML parser context |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2388 | * @node: an XML node within the tree |
| 2389 | * |
| 2390 | * Find the parser node info struct for a given node |
| 2391 | * |
| 2392 | * Returns an xmlParserNodeInfo block pointer or NULL |
| 2393 | */ |
Daniel Veillard | 963d2ae | 2002-01-20 22:08:18 +0000 | [diff] [blame] | 2394 | const xmlParserNodeInfo* xmlParserFindNodeInfo(const xmlParserCtxtPtr ctx, |
| 2395 | const xmlNodePtr node) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2396 | { |
| 2397 | unsigned long pos; |
| 2398 | |
| 2399 | /* Find position where node should be at */ |
| 2400 | pos = xmlParserFindNodeInfoIndex(&ctx->node_seq, node); |
Daniel Veillard | b1d6287 | 2001-09-21 09:47:08 +0000 | [diff] [blame] | 2401 | if (pos < ctx->node_seq.length && ctx->node_seq.buffer[pos].node == node) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2402 | return &ctx->node_seq.buffer[pos]; |
| 2403 | else |
| 2404 | return NULL; |
| 2405 | } |
| 2406 | |
| 2407 | |
| 2408 | /** |
| 2409 | * xmlInitNodeInfoSeq: |
| 2410 | * @seq: a node info sequence pointer |
| 2411 | * |
| 2412 | * -- Initialize (set to initial state) node info sequence |
| 2413 | */ |
| 2414 | void |
| 2415 | xmlInitNodeInfoSeq(xmlParserNodeInfoSeqPtr seq) |
| 2416 | { |
| 2417 | seq->length = 0; |
| 2418 | seq->maximum = 0; |
| 2419 | seq->buffer = NULL; |
| 2420 | } |
| 2421 | |
| 2422 | /** |
| 2423 | * xmlClearNodeInfoSeq: |
| 2424 | * @seq: a node info sequence pointer |
| 2425 | * |
| 2426 | * -- Clear (release memory and reinitialize) node |
| 2427 | * info sequence |
| 2428 | */ |
| 2429 | void |
| 2430 | xmlClearNodeInfoSeq(xmlParserNodeInfoSeqPtr seq) |
| 2431 | { |
| 2432 | if ( seq->buffer != NULL ) |
| 2433 | xmlFree(seq->buffer); |
| 2434 | xmlInitNodeInfoSeq(seq); |
| 2435 | } |
| 2436 | |
| 2437 | |
| 2438 | /** |
| 2439 | * xmlParserFindNodeInfoIndex: |
| 2440 | * @seq: a node info sequence pointer |
| 2441 | * @node: an XML node pointer |
| 2442 | * |
| 2443 | * |
| 2444 | * xmlParserFindNodeInfoIndex : Find the index that the info record for |
| 2445 | * the given node is or should be at in a sorted sequence |
| 2446 | * |
| 2447 | * Returns a long indicating the position of the record |
| 2448 | */ |
Daniel Veillard | 963d2ae | 2002-01-20 22:08:18 +0000 | [diff] [blame] | 2449 | unsigned long xmlParserFindNodeInfoIndex(const xmlParserNodeInfoSeqPtr seq, |
| 2450 | const xmlNodePtr node) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2451 | { |
| 2452 | unsigned long upper, lower, middle; |
| 2453 | int found = 0; |
| 2454 | |
| 2455 | /* Do a binary search for the key */ |
| 2456 | lower = 1; |
| 2457 | upper = seq->length; |
| 2458 | middle = 0; |
| 2459 | while ( lower <= upper && !found) { |
| 2460 | middle = lower + (upper - lower) / 2; |
| 2461 | if ( node == seq->buffer[middle - 1].node ) |
| 2462 | found = 1; |
| 2463 | else if ( node < seq->buffer[middle - 1].node ) |
| 2464 | upper = middle - 1; |
| 2465 | else |
| 2466 | lower = middle + 1; |
| 2467 | } |
| 2468 | |
| 2469 | /* Return position */ |
| 2470 | if ( middle == 0 || seq->buffer[middle - 1].node < node ) |
| 2471 | return middle; |
| 2472 | else |
| 2473 | return middle - 1; |
| 2474 | } |
| 2475 | |
| 2476 | |
| 2477 | /** |
| 2478 | * xmlParserAddNodeInfo: |
| 2479 | * @ctxt: an XML parser context |
| 2480 | * @info: a node info sequence pointer |
| 2481 | * |
| 2482 | * Insert node info record into the sorted sequence |
| 2483 | */ |
| 2484 | void |
Daniel Veillard | c8c7be4 | 2002-01-23 17:53:44 +0000 | [diff] [blame] | 2485 | xmlParserAddNodeInfo(xmlParserCtxtPtr ctxt, |
Daniel Veillard | 963d2ae | 2002-01-20 22:08:18 +0000 | [diff] [blame] | 2486 | const xmlParserNodeInfoPtr info) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2487 | { |
Daniel Veillard | c8c7be4 | 2002-01-23 17:53:44 +0000 | [diff] [blame] | 2488 | unsigned long pos; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2489 | |
Daniel Veillard | c8c7be4 | 2002-01-23 17:53:44 +0000 | [diff] [blame] | 2490 | /* Find pos and check to see if node is already in the sequence */ |
| 2491 | pos = xmlParserFindNodeInfoIndex(&ctxt->node_seq, (const xmlNodePtr) |
| 2492 | info->node); |
| 2493 | if (pos < ctxt->node_seq.length |
| 2494 | && ctxt->node_seq.buffer[pos].node == info->node) { |
| 2495 | ctxt->node_seq.buffer[pos] = *info; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2496 | } |
| 2497 | |
Daniel Veillard | c8c7be4 | 2002-01-23 17:53:44 +0000 | [diff] [blame] | 2498 | /* Otherwise, we need to add new node to buffer */ |
| 2499 | else { |
| 2500 | if (ctxt->node_seq.length + 1 > ctxt->node_seq.maximum) { |
| 2501 | xmlParserNodeInfo *tmp_buffer; |
| 2502 | unsigned int byte_size; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2503 | |
Daniel Veillard | c8c7be4 | 2002-01-23 17:53:44 +0000 | [diff] [blame] | 2504 | if (ctxt->node_seq.maximum == 0) |
| 2505 | ctxt->node_seq.maximum = 2; |
| 2506 | byte_size = (sizeof(*ctxt->node_seq.buffer) * |
| 2507 | (2 * ctxt->node_seq.maximum)); |
| 2508 | |
| 2509 | if (ctxt->node_seq.buffer == NULL) |
| 2510 | tmp_buffer = (xmlParserNodeInfo *) xmlMalloc(byte_size); |
| 2511 | else |
| 2512 | tmp_buffer = |
| 2513 | (xmlParserNodeInfo *) xmlRealloc(ctxt->node_seq.buffer, |
| 2514 | byte_size); |
| 2515 | |
| 2516 | if (tmp_buffer == NULL) { |
| 2517 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2518 | ctxt->sax->error(ctxt->userData, "Out of memory\n"); |
| 2519 | ctxt->errNo = XML_ERR_NO_MEMORY; |
| 2520 | return; |
| 2521 | } |
| 2522 | ctxt->node_seq.buffer = tmp_buffer; |
| 2523 | ctxt->node_seq.maximum *= 2; |
| 2524 | } |
| 2525 | |
| 2526 | /* If position is not at end, move elements out of the way */ |
| 2527 | if (pos != ctxt->node_seq.length) { |
| 2528 | unsigned long i; |
| 2529 | |
| 2530 | for (i = ctxt->node_seq.length; i > pos; i--) |
| 2531 | ctxt->node_seq.buffer[i] = ctxt->node_seq.buffer[i - 1]; |
| 2532 | } |
| 2533 | |
| 2534 | /* Copy element and increase length */ |
| 2535 | ctxt->node_seq.buffer[pos] = *info; |
| 2536 | ctxt->node_seq.length++; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2537 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2538 | } |
| 2539 | |
| 2540 | /************************************************************************ |
| 2541 | * * |
Daniel Veillard | a53c688 | 2001-07-25 17:18:57 +0000 | [diff] [blame] | 2542 | * Defaults settings * |
| 2543 | * * |
| 2544 | ************************************************************************/ |
| 2545 | /** |
| 2546 | * xmlPedanticParserDefault: |
| 2547 | * @val: int 0 or 1 |
| 2548 | * |
| 2549 | * Set and return the previous value for enabling pedantic warnings. |
| 2550 | * |
| 2551 | * Returns the last value for 0 for no substitution, 1 for substitution. |
| 2552 | */ |
| 2553 | |
| 2554 | int |
| 2555 | xmlPedanticParserDefault(int val) { |
| 2556 | int old = xmlPedanticParserDefaultValue; |
| 2557 | |
| 2558 | xmlPedanticParserDefaultValue = val; |
| 2559 | return(old); |
| 2560 | } |
| 2561 | |
| 2562 | /** |
| 2563 | * xmlLineNumbersDefault: |
| 2564 | * @val: int 0 or 1 |
| 2565 | * |
| 2566 | * Set and return the previous value for enabling line numbers in elements |
| 2567 | * contents. This may break on old application and is turned off by default. |
| 2568 | * |
| 2569 | * Returns the last value for 0 for no substitution, 1 for substitution. |
| 2570 | */ |
| 2571 | |
| 2572 | int |
| 2573 | xmlLineNumbersDefault(int val) { |
| 2574 | int old = xmlLineNumbersDefaultValue; |
| 2575 | |
| 2576 | xmlLineNumbersDefaultValue = val; |
| 2577 | return(old); |
| 2578 | } |
| 2579 | |
| 2580 | /** |
| 2581 | * xmlSubstituteEntitiesDefault: |
| 2582 | * @val: int 0 or 1 |
| 2583 | * |
| 2584 | * Set and return the previous value for default entity support. |
| 2585 | * Initially the parser always keep entity references instead of substituting |
| 2586 | * entity values in the output. This function has to be used to change the |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2587 | * default parser behavior |
| 2588 | * SAX::substituteEntities() has to be used for changing that on a file by |
Daniel Veillard | a53c688 | 2001-07-25 17:18:57 +0000 | [diff] [blame] | 2589 | * file basis. |
| 2590 | * |
| 2591 | * Returns the last value for 0 for no substitution, 1 for substitution. |
| 2592 | */ |
| 2593 | |
| 2594 | int |
| 2595 | xmlSubstituteEntitiesDefault(int val) { |
| 2596 | int old = xmlSubstituteEntitiesDefaultValue; |
| 2597 | |
| 2598 | xmlSubstituteEntitiesDefaultValue = val; |
| 2599 | return(old); |
| 2600 | } |
| 2601 | |
| 2602 | /** |
| 2603 | * xmlKeepBlanksDefault: |
| 2604 | * @val: int 0 or 1 |
| 2605 | * |
| 2606 | * Set and return the previous value for default blanks text nodes support. |
| 2607 | * The 1.x version of the parser used an heuristic to try to detect |
| 2608 | * ignorable white spaces. As a result the SAX callback was generating |
| 2609 | * ignorableWhitespace() callbacks instead of characters() one, and when |
| 2610 | * using the DOM output text nodes containing those blanks were not generated. |
| 2611 | * The 2.x and later version will switch to the XML standard way and |
| 2612 | * ignorableWhitespace() are only generated when running the parser in |
| 2613 | * validating mode and when the current element doesn't allow CDATA or |
| 2614 | * mixed content. |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2615 | * This function is provided as a way to force the standard behavior |
Daniel Veillard | a53c688 | 2001-07-25 17:18:57 +0000 | [diff] [blame] | 2616 | * on 1.X libs and to switch back to the old mode for compatibility when |
| 2617 | * running 1.X client code on 2.X . Upgrade of 1.X code should be done |
| 2618 | * by using xmlIsBlankNode() commodity function to detect the "empty" |
| 2619 | * nodes generated. |
| 2620 | * This value also affect autogeneration of indentation when saving code |
| 2621 | * if blanks sections are kept, indentation is not generated. |
| 2622 | * |
| 2623 | * Returns the last value for 0 for no substitution, 1 for substitution. |
| 2624 | */ |
| 2625 | |
| 2626 | int |
| 2627 | xmlKeepBlanksDefault(int val) { |
| 2628 | int old = xmlKeepBlanksDefaultValue; |
| 2629 | |
| 2630 | xmlKeepBlanksDefaultValue = val; |
| 2631 | xmlIndentTreeOutput = !val; |
| 2632 | return(old); |
| 2633 | } |
| 2634 | |
| 2635 | /************************************************************************ |
| 2636 | * * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2637 | * Deprecated functions kept for compatibility * |
| 2638 | * * |
| 2639 | ************************************************************************/ |
| 2640 | |
Daniel Veillard | 5e2dace | 2001-07-18 19:30:27 +0000 | [diff] [blame] | 2641 | /** |
| 2642 | * xmlCheckLanguageID: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2643 | * @lang: pointer to the string value |
| 2644 | * |
| 2645 | * Checks that the value conforms to the LanguageID production: |
| 2646 | * |
| 2647 | * NOTE: this is somewhat deprecated, those productions were removed from |
| 2648 | * the XML Second edition. |
| 2649 | * |
| 2650 | * [33] LanguageID ::= Langcode ('-' Subcode)* |
| 2651 | * [34] Langcode ::= ISO639Code | IanaCode | UserCode |
| 2652 | * [35] ISO639Code ::= ([a-z] | [A-Z]) ([a-z] | [A-Z]) |
| 2653 | * [36] IanaCode ::= ('i' | 'I') '-' ([a-z] | [A-Z])+ |
| 2654 | * [37] UserCode ::= ('x' | 'X') '-' ([a-z] | [A-Z])+ |
| 2655 | * [38] Subcode ::= ([a-z] | [A-Z])+ |
| 2656 | * |
| 2657 | * Returns 1 if correct 0 otherwise |
| 2658 | **/ |
| 2659 | int |
| 2660 | xmlCheckLanguageID(const xmlChar *lang) { |
| 2661 | const xmlChar *cur = lang; |
| 2662 | |
| 2663 | if (cur == NULL) |
| 2664 | return(0); |
| 2665 | if (((cur[0] == 'i') && (cur[1] == '-')) || |
| 2666 | ((cur[0] == 'I') && (cur[1] == '-'))) { |
| 2667 | /* |
| 2668 | * IANA code |
| 2669 | */ |
| 2670 | cur += 2; |
| 2671 | while (((cur[0] >= 'A') && (cur[0] <= 'Z')) || /* non input consuming */ |
| 2672 | ((cur[0] >= 'a') && (cur[0] <= 'z'))) |
| 2673 | cur++; |
| 2674 | } else if (((cur[0] == 'x') && (cur[1] == '-')) || |
| 2675 | ((cur[0] == 'X') && (cur[1] == '-'))) { |
| 2676 | /* |
| 2677 | * User code |
| 2678 | */ |
| 2679 | cur += 2; |
| 2680 | while (((cur[0] >= 'A') && (cur[0] <= 'Z')) || /* non input consuming */ |
| 2681 | ((cur[0] >= 'a') && (cur[0] <= 'z'))) |
| 2682 | cur++; |
| 2683 | } else if (((cur[0] >= 'A') && (cur[0] <= 'Z')) || |
| 2684 | ((cur[0] >= 'a') && (cur[0] <= 'z'))) { |
| 2685 | /* |
| 2686 | * ISO639 |
| 2687 | */ |
| 2688 | cur++; |
| 2689 | if (((cur[0] >= 'A') && (cur[0] <= 'Z')) || |
| 2690 | ((cur[0] >= 'a') && (cur[0] <= 'z'))) |
| 2691 | cur++; |
| 2692 | else |
| 2693 | return(0); |
| 2694 | } else |
| 2695 | return(0); |
| 2696 | while (cur[0] != 0) { /* non input consuming */ |
| 2697 | if (cur[0] != '-') |
| 2698 | return(0); |
| 2699 | cur++; |
| 2700 | if (((cur[0] >= 'A') && (cur[0] <= 'Z')) || |
| 2701 | ((cur[0] >= 'a') && (cur[0] <= 'z'))) |
| 2702 | cur++; |
| 2703 | else |
| 2704 | return(0); |
| 2705 | while (((cur[0] >= 'A') && (cur[0] <= 'Z')) || /* non input consuming */ |
| 2706 | ((cur[0] >= 'a') && (cur[0] <= 'z'))) |
| 2707 | cur++; |
| 2708 | } |
| 2709 | return(1); |
| 2710 | } |
| 2711 | |
| 2712 | /** |
| 2713 | * xmlDecodeEntities: |
| 2714 | * @ctxt: the parser context |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2715 | * @len: the len to decode (in bytes !), -1 for no size limit |
Daniel Veillard | a9b66d0 | 2002-12-11 14:23:49 +0000 | [diff] [blame^] | 2716 | * @what: combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2717 | * @end: an end marker xmlChar, 0 if none |
| 2718 | * @end2: an end marker xmlChar, 0 if none |
| 2719 | * @end3: an end marker xmlChar, 0 if none |
| 2720 | * |
| 2721 | * This function is deprecated, we now always process entities content |
| 2722 | * through xmlStringDecodeEntities |
| 2723 | * |
| 2724 | * TODO: remove it in next major release. |
| 2725 | * |
| 2726 | * [67] Reference ::= EntityRef | CharRef |
| 2727 | * |
| 2728 | * [69] PEReference ::= '%' Name ';' |
| 2729 | * |
| 2730 | * Returns A newly allocated string with the substitution done. The caller |
| 2731 | * must deallocate it ! |
| 2732 | */ |
| 2733 | xmlChar * |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 2734 | xmlDecodeEntities(xmlParserCtxtPtr ctxt ATTRIBUTE_UNUSED, int len ATTRIBUTE_UNUSED, int what ATTRIBUTE_UNUSED, |
| 2735 | xmlChar end ATTRIBUTE_UNUSED, xmlChar end2 ATTRIBUTE_UNUSED, xmlChar end3 ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2736 | #if 0 |
| 2737 | xmlChar *buffer = NULL; |
| 2738 | unsigned int buffer_size = 0; |
| 2739 | unsigned int nbchars = 0; |
| 2740 | |
| 2741 | xmlChar *current = NULL; |
| 2742 | xmlEntityPtr ent; |
| 2743 | unsigned int max = (unsigned int) len; |
| 2744 | int c,l; |
| 2745 | #endif |
| 2746 | |
| 2747 | static int deprecated = 0; |
| 2748 | if (!deprecated) { |
| 2749 | xmlGenericError(xmlGenericErrorContext, |
| 2750 | "xmlDecodeEntities() deprecated function reached\n"); |
| 2751 | deprecated = 1; |
| 2752 | } |
| 2753 | |
| 2754 | #if 0 |
| 2755 | if (ctxt->depth > 40) { |
| 2756 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2757 | ctxt->sax->error(ctxt->userData, |
| 2758 | "Detected entity reference loop\n"); |
| 2759 | ctxt->wellFormed = 0; |
Daniel Veillard | dad3f68 | 2002-11-17 16:47:27 +0000 | [diff] [blame] | 2760 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2761 | ctxt->errNo = XML_ERR_ENTITY_LOOP; |
| 2762 | return(NULL); |
| 2763 | } |
| 2764 | |
| 2765 | /* |
| 2766 | * allocate a translation buffer. |
| 2767 | */ |
| 2768 | buffer_size = XML_PARSER_BIG_BUFFER_SIZE; |
| 2769 | buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar)); |
| 2770 | if (buffer == NULL) { |
Daniel Veillard | 3487c8d | 2002-09-05 11:33:25 +0000 | [diff] [blame] | 2771 | xmlGenericError(xmlGenericErrorContext, |
| 2772 | "xmlDecodeEntities: malloc failed"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2773 | return(NULL); |
| 2774 | } |
| 2775 | |
| 2776 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2777 | * OK loop until we reach one of the ending char or a size limit. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2778 | */ |
| 2779 | GROW; |
| 2780 | c = CUR_CHAR(l); |
| 2781 | while ((nbchars < max) && (c != end) && /* NOTUSED */ |
| 2782 | (c != end2) && (c != end3)) { |
| 2783 | GROW; |
| 2784 | if (c == 0) break; |
Daniel Veillard | fdc9156 | 2002-07-01 21:52:03 +0000 | [diff] [blame] | 2785 | if ((c == '&') && (NXT(1) == '#')) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2786 | int val = xmlParseCharRef(ctxt); |
| 2787 | COPY_BUF(0,buffer,nbchars,val); |
| 2788 | NEXTL(l); |
Daniel Veillard | fdc9156 | 2002-07-01 21:52:03 +0000 | [diff] [blame] | 2789 | } else if (c == '&') && |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2790 | (what & XML_SUBSTITUTE_REF)) { |
| 2791 | if (xmlParserDebugEntities) |
| 2792 | xmlGenericError(xmlGenericErrorContext, |
| 2793 | "decoding Entity Reference\n"); |
| 2794 | ent = xmlParseEntityRef(ctxt); |
| 2795 | if ((ent != NULL) && |
| 2796 | (ctxt->replaceEntities != 0)) { |
| 2797 | current = ent->content; |
| 2798 | while (*current != 0) { /* non input consuming loop */ |
| 2799 | buffer[nbchars++] = *current++; |
| 2800 | if (nbchars > buffer_size - XML_PARSER_BUFFER_SIZE) { |
| 2801 | growBuffer(buffer); |
| 2802 | } |
| 2803 | } |
| 2804 | } else if (ent != NULL) { |
| 2805 | const xmlChar *cur = ent->name; |
| 2806 | |
| 2807 | buffer[nbchars++] = '&'; |
| 2808 | if (nbchars > buffer_size - XML_PARSER_BUFFER_SIZE) { |
| 2809 | growBuffer(buffer); |
| 2810 | } |
| 2811 | while (*cur != 0) { /* non input consuming loop */ |
| 2812 | buffer[nbchars++] = *cur++; |
| 2813 | } |
| 2814 | buffer[nbchars++] = ';'; |
| 2815 | } |
| 2816 | } else if (c == '%' && (what & XML_SUBSTITUTE_PEREF)) { |
| 2817 | /* |
| 2818 | * a PEReference induce to switch the entity flow, |
| 2819 | * we break here to flush the current set of chars |
| 2820 | * parsed if any. We will be called back later. |
| 2821 | */ |
| 2822 | if (xmlParserDebugEntities) |
| 2823 | xmlGenericError(xmlGenericErrorContext, |
| 2824 | "decoding PE Reference\n"); |
| 2825 | if (nbchars != 0) break; |
| 2826 | |
| 2827 | xmlParsePEReference(ctxt); |
| 2828 | |
| 2829 | /* |
| 2830 | * Pop-up of finished entities. |
| 2831 | */ |
| 2832 | while ((RAW == 0) && (ctxt->inputNr > 1)) /* non input consuming */ |
| 2833 | xmlPopInput(ctxt); |
| 2834 | |
| 2835 | break; |
| 2836 | } else { |
| 2837 | COPY_BUF(l,buffer,nbchars,c); |
| 2838 | NEXTL(l); |
| 2839 | if (nbchars > buffer_size - XML_PARSER_BUFFER_SIZE) { |
| 2840 | growBuffer(buffer); |
| 2841 | } |
| 2842 | } |
| 2843 | c = CUR_CHAR(l); |
| 2844 | } |
| 2845 | buffer[nbchars++] = 0; |
| 2846 | return(buffer); |
| 2847 | #endif |
| 2848 | return(NULL); |
| 2849 | } |
| 2850 | |
| 2851 | /** |
| 2852 | * xmlNamespaceParseNCName: |
| 2853 | * @ctxt: an XML parser context |
| 2854 | * |
| 2855 | * parse an XML namespace name. |
| 2856 | * |
| 2857 | * TODO: this seems not in use anymore, the namespace handling is done on |
| 2858 | * top of the SAX interfaces, i.e. not on raw input. |
| 2859 | * |
| 2860 | * [NS 3] NCName ::= (Letter | '_') (NCNameChar)* |
| 2861 | * |
| 2862 | * [NS 4] NCNameChar ::= Letter | Digit | '.' | '-' | '_' | |
| 2863 | * CombiningChar | Extender |
| 2864 | * |
| 2865 | * Returns the namespace name or NULL |
| 2866 | */ |
| 2867 | |
| 2868 | xmlChar * |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 2869 | xmlNamespaceParseNCName(xmlParserCtxtPtr ctxt ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2870 | #if 0 |
| 2871 | xmlChar buf[XML_MAX_NAMELEN + 5]; |
| 2872 | int len = 0, l; |
| 2873 | int cur = CUR_CHAR(l); |
| 2874 | #endif |
| 2875 | |
| 2876 | static int deprecated = 0; |
| 2877 | if (!deprecated) { |
| 2878 | xmlGenericError(xmlGenericErrorContext, |
| 2879 | "xmlNamespaceParseNCName() deprecated function reached\n"); |
| 2880 | deprecated = 1; |
| 2881 | } |
| 2882 | |
| 2883 | #if 0 |
| 2884 | /* load first the value of the char !!! */ |
| 2885 | GROW; |
| 2886 | if (!IS_LETTER(cur) && (cur != '_')) return(NULL); |
| 2887 | |
| 2888 | xmlGenericError(xmlGenericErrorContext, |
| 2889 | "xmlNamespaceParseNCName: reached loop 3\n"); |
| 2890 | while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) || /* NOT REACHED */ |
| 2891 | (cur == '.') || (cur == '-') || |
| 2892 | (cur == '_') || |
| 2893 | (IS_COMBINING(cur)) || |
| 2894 | (IS_EXTENDER(cur))) { |
| 2895 | COPY_BUF(l,buf,len,cur); |
| 2896 | NEXTL(l); |
| 2897 | cur = CUR_CHAR(l); |
| 2898 | if (len >= XML_MAX_NAMELEN) { |
| 2899 | xmlGenericError(xmlGenericErrorContext, |
| 2900 | "xmlNamespaceParseNCName: reached XML_MAX_NAMELEN limit\n"); |
| 2901 | while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) ||/* NOT REACHED */ |
| 2902 | (cur == '.') || (cur == '-') || |
| 2903 | (cur == '_') || |
| 2904 | (IS_COMBINING(cur)) || |
| 2905 | (IS_EXTENDER(cur))) { |
| 2906 | NEXTL(l); |
| 2907 | cur = CUR_CHAR(l); |
| 2908 | } |
| 2909 | break; |
| 2910 | } |
| 2911 | } |
| 2912 | return(xmlStrndup(buf, len)); |
| 2913 | #endif |
| 2914 | return(NULL); |
| 2915 | } |
| 2916 | |
| 2917 | /** |
| 2918 | * xmlNamespaceParseQName: |
| 2919 | * @ctxt: an XML parser context |
| 2920 | * @prefix: a xmlChar ** |
| 2921 | * |
| 2922 | * TODO: this seems not in use anymore, the namespace handling is done on |
| 2923 | * top of the SAX interfaces, i.e. not on raw input. |
| 2924 | * |
| 2925 | * parse an XML qualified name |
| 2926 | * |
| 2927 | * [NS 5] QName ::= (Prefix ':')? LocalPart |
| 2928 | * |
| 2929 | * [NS 6] Prefix ::= NCName |
| 2930 | * |
| 2931 | * [NS 7] LocalPart ::= NCName |
| 2932 | * |
| 2933 | * Returns the local part, and prefix is updated |
| 2934 | * to get the Prefix if any. |
| 2935 | */ |
| 2936 | |
| 2937 | xmlChar * |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 2938 | xmlNamespaceParseQName(xmlParserCtxtPtr ctxt ATTRIBUTE_UNUSED, xmlChar **prefix ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2939 | |
| 2940 | static int deprecated = 0; |
| 2941 | if (!deprecated) { |
| 2942 | xmlGenericError(xmlGenericErrorContext, |
| 2943 | "xmlNamespaceParseQName() deprecated function reached\n"); |
| 2944 | deprecated = 1; |
| 2945 | } |
| 2946 | |
| 2947 | #if 0 |
| 2948 | xmlChar *ret = NULL; |
| 2949 | |
| 2950 | *prefix = NULL; |
| 2951 | ret = xmlNamespaceParseNCName(ctxt); |
| 2952 | if (RAW == ':') { |
| 2953 | *prefix = ret; |
| 2954 | NEXT; |
| 2955 | ret = xmlNamespaceParseNCName(ctxt); |
| 2956 | } |
| 2957 | |
| 2958 | return(ret); |
| 2959 | #endif |
| 2960 | return(NULL); |
| 2961 | } |
| 2962 | |
| 2963 | /** |
| 2964 | * xmlNamespaceParseNSDef: |
| 2965 | * @ctxt: an XML parser context |
| 2966 | * |
| 2967 | * parse a namespace prefix declaration |
| 2968 | * |
| 2969 | * TODO: this seems not in use anymore, the namespace handling is done on |
| 2970 | * top of the SAX interfaces, i.e. not on raw input. |
| 2971 | * |
| 2972 | * [NS 1] NSDef ::= PrefixDef Eq SystemLiteral |
| 2973 | * |
| 2974 | * [NS 2] PrefixDef ::= 'xmlns' (':' NCName)? |
| 2975 | * |
| 2976 | * Returns the namespace name |
| 2977 | */ |
| 2978 | |
| 2979 | xmlChar * |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 2980 | xmlNamespaceParseNSDef(xmlParserCtxtPtr ctxt ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2981 | static int deprecated = 0; |
| 2982 | if (!deprecated) { |
| 2983 | xmlGenericError(xmlGenericErrorContext, |
| 2984 | "xmlNamespaceParseNSDef() deprecated function reached\n"); |
| 2985 | deprecated = 1; |
| 2986 | } |
| 2987 | return(NULL); |
| 2988 | #if 0 |
| 2989 | xmlChar *name = NULL; |
| 2990 | |
| 2991 | if ((RAW == 'x') && (NXT(1) == 'm') && |
| 2992 | (NXT(2) == 'l') && (NXT(3) == 'n') && |
| 2993 | (NXT(4) == 's')) { |
| 2994 | SKIP(5); |
| 2995 | if (RAW == ':') { |
| 2996 | NEXT; |
| 2997 | name = xmlNamespaceParseNCName(ctxt); |
| 2998 | } |
| 2999 | } |
| 3000 | return(name); |
| 3001 | #endif |
| 3002 | } |
| 3003 | |
| 3004 | /** |
| 3005 | * xmlParseQuotedString: |
| 3006 | * @ctxt: an XML parser context |
| 3007 | * |
| 3008 | * Parse and return a string between quotes or doublequotes |
| 3009 | * |
| 3010 | * TODO: Deprecated, to be removed at next drop of binary compatibility |
| 3011 | * |
| 3012 | * Returns the string parser or NULL. |
| 3013 | */ |
| 3014 | xmlChar * |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 3015 | xmlParseQuotedString(xmlParserCtxtPtr ctxt ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3016 | static int deprecated = 0; |
| 3017 | if (!deprecated) { |
| 3018 | xmlGenericError(xmlGenericErrorContext, |
| 3019 | "xmlParseQuotedString() deprecated function reached\n"); |
| 3020 | deprecated = 1; |
| 3021 | } |
| 3022 | return(NULL); |
| 3023 | |
| 3024 | #if 0 |
| 3025 | xmlChar *buf = NULL; |
| 3026 | int len = 0,l; |
| 3027 | int size = XML_PARSER_BUFFER_SIZE; |
| 3028 | int c; |
| 3029 | |
| 3030 | buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar)); |
| 3031 | if (buf == NULL) { |
| 3032 | xmlGenericError(xmlGenericErrorContext, |
| 3033 | "malloc of %d byte failed\n", size); |
| 3034 | return(NULL); |
| 3035 | } |
| 3036 | xmlGenericError(xmlGenericErrorContext, |
| 3037 | "xmlParseQuotedString: reached loop 4\n"); |
| 3038 | if (RAW == '"') { |
| 3039 | NEXT; |
| 3040 | c = CUR_CHAR(l); |
| 3041 | while (IS_CHAR(c) && (c != '"')) { /* NOTUSED */ |
| 3042 | if (len + 5 >= size) { |
| 3043 | size *= 2; |
| 3044 | buf = (xmlChar *) xmlRealloc(buf, size * sizeof(xmlChar)); |
| 3045 | if (buf == NULL) { |
| 3046 | xmlGenericError(xmlGenericErrorContext, |
| 3047 | "realloc of %d byte failed\n", size); |
| 3048 | return(NULL); |
| 3049 | } |
| 3050 | } |
| 3051 | COPY_BUF(l,buf,len,c); |
| 3052 | NEXTL(l); |
| 3053 | c = CUR_CHAR(l); |
| 3054 | } |
| 3055 | if (c != '"') { |
| 3056 | ctxt->errNo = XML_ERR_STRING_NOT_CLOSED; |
| 3057 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 3058 | ctxt->sax->error(ctxt->userData, |
| 3059 | "String not closed \"%.50s\"\n", buf); |
| 3060 | ctxt->wellFormed = 0; |
Daniel Veillard | dad3f68 | 2002-11-17 16:47:27 +0000 | [diff] [blame] | 3061 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3062 | } else { |
| 3063 | NEXT; |
| 3064 | } |
| 3065 | } else if (RAW == '\''){ |
| 3066 | NEXT; |
| 3067 | c = CUR; |
| 3068 | while (IS_CHAR(c) && (c != '\'')) { /* NOTUSED */ |
| 3069 | if (len + 1 >= size) { |
| 3070 | size *= 2; |
| 3071 | buf = (xmlChar *) xmlRealloc(buf, size * sizeof(xmlChar)); |
| 3072 | if (buf == NULL) { |
| 3073 | xmlGenericError(xmlGenericErrorContext, |
| 3074 | "realloc of %d byte failed\n", size); |
| 3075 | return(NULL); |
| 3076 | } |
| 3077 | } |
| 3078 | buf[len++] = c; |
| 3079 | NEXT; |
| 3080 | c = CUR; |
| 3081 | } |
| 3082 | if (RAW != '\'') { |
| 3083 | ctxt->errNo = XML_ERR_STRING_NOT_CLOSED; |
| 3084 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 3085 | ctxt->sax->error(ctxt->userData, |
| 3086 | "String not closed \"%.50s\"\n", buf); |
| 3087 | ctxt->wellFormed = 0; |
Daniel Veillard | dad3f68 | 2002-11-17 16:47:27 +0000 | [diff] [blame] | 3088 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3089 | } else { |
| 3090 | NEXT; |
| 3091 | } |
| 3092 | } |
| 3093 | return(buf); |
| 3094 | #endif |
| 3095 | } |
| 3096 | |
| 3097 | /** |
| 3098 | * xmlParseNamespace: |
| 3099 | * @ctxt: an XML parser context |
| 3100 | * |
| 3101 | * xmlParseNamespace: parse specific PI '<?namespace ...' constructs. |
| 3102 | * |
| 3103 | * This is what the older xml-name Working Draft specified, a bunch of |
| 3104 | * other stuff may still rely on it, so support is still here as |
| 3105 | * if it was declared on the root of the Tree:-( |
| 3106 | * |
| 3107 | * TODO: remove from library |
| 3108 | * |
| 3109 | * To be removed at next drop of binary compatibility |
| 3110 | */ |
| 3111 | |
| 3112 | void |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 3113 | xmlParseNamespace(xmlParserCtxtPtr ctxt ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3114 | static int deprecated = 0; |
| 3115 | if (!deprecated) { |
| 3116 | xmlGenericError(xmlGenericErrorContext, |
| 3117 | "xmlParseNamespace() deprecated function reached\n"); |
| 3118 | deprecated = 1; |
| 3119 | } |
| 3120 | |
| 3121 | #if 0 |
| 3122 | xmlChar *href = NULL; |
| 3123 | xmlChar *prefix = NULL; |
| 3124 | int garbage = 0; |
| 3125 | |
| 3126 | /* |
| 3127 | * We just skipped "namespace" or "xml:namespace" |
| 3128 | */ |
| 3129 | SKIP_BLANKS; |
| 3130 | |
| 3131 | xmlGenericError(xmlGenericErrorContext, |
| 3132 | "xmlParseNamespace: reached loop 5\n"); |
| 3133 | while (IS_CHAR(RAW) && (RAW != '>')) { /* NOT REACHED */ |
| 3134 | /* |
| 3135 | * We can have "ns" or "prefix" attributes |
| 3136 | * Old encoding as 'href' or 'AS' attributes is still supported |
| 3137 | */ |
| 3138 | if ((RAW == 'n') && (NXT(1) == 's')) { |
| 3139 | garbage = 0; |
| 3140 | SKIP(2); |
| 3141 | SKIP_BLANKS; |
| 3142 | |
| 3143 | if (RAW != '=') continue; |
| 3144 | NEXT; |
| 3145 | SKIP_BLANKS; |
| 3146 | |
| 3147 | href = xmlParseQuotedString(ctxt); |
| 3148 | SKIP_BLANKS; |
| 3149 | } else if ((RAW == 'h') && (NXT(1) == 'r') && |
| 3150 | (NXT(2) == 'e') && (NXT(3) == 'f')) { |
| 3151 | garbage = 0; |
| 3152 | SKIP(4); |
| 3153 | SKIP_BLANKS; |
| 3154 | |
| 3155 | if (RAW != '=') continue; |
| 3156 | NEXT; |
| 3157 | SKIP_BLANKS; |
| 3158 | |
| 3159 | href = xmlParseQuotedString(ctxt); |
| 3160 | SKIP_BLANKS; |
| 3161 | } else if ((RAW == 'p') && (NXT(1) == 'r') && |
| 3162 | (NXT(2) == 'e') && (NXT(3) == 'f') && |
| 3163 | (NXT(4) == 'i') && (NXT(5) == 'x')) { |
| 3164 | garbage = 0; |
| 3165 | SKIP(6); |
| 3166 | SKIP_BLANKS; |
| 3167 | |
| 3168 | if (RAW != '=') continue; |
| 3169 | NEXT; |
| 3170 | SKIP_BLANKS; |
| 3171 | |
| 3172 | prefix = xmlParseQuotedString(ctxt); |
| 3173 | SKIP_BLANKS; |
| 3174 | } else if ((RAW == 'A') && (NXT(1) == 'S')) { |
| 3175 | garbage = 0; |
| 3176 | SKIP(2); |
| 3177 | SKIP_BLANKS; |
| 3178 | |
| 3179 | if (RAW != '=') continue; |
| 3180 | NEXT; |
| 3181 | SKIP_BLANKS; |
| 3182 | |
| 3183 | prefix = xmlParseQuotedString(ctxt); |
| 3184 | SKIP_BLANKS; |
| 3185 | } else if ((RAW == '?') && (NXT(1) == '>')) { |
| 3186 | garbage = 0; |
| 3187 | NEXT; |
| 3188 | } else { |
| 3189 | /* |
| 3190 | * Found garbage when parsing the namespace |
| 3191 | */ |
| 3192 | if (!garbage) { |
| 3193 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 3194 | ctxt->sax->error(ctxt->userData, |
| 3195 | "xmlParseNamespace found garbage\n"); |
| 3196 | } |
| 3197 | ctxt->errNo = XML_ERR_NS_DECL_ERROR; |
| 3198 | ctxt->wellFormed = 0; |
Daniel Veillard | dad3f68 | 2002-11-17 16:47:27 +0000 | [diff] [blame] | 3199 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3200 | NEXT; |
| 3201 | } |
| 3202 | } |
| 3203 | |
| 3204 | MOVETO_ENDTAG(CUR_PTR); |
| 3205 | NEXT; |
| 3206 | |
| 3207 | /* |
| 3208 | * Register the DTD. |
| 3209 | if (href != NULL) |
| 3210 | if ((ctxt->sax != NULL) && (ctxt->sax->globalNamespace != NULL)) |
| 3211 | ctxt->sax->globalNamespace(ctxt->userData, href, prefix); |
| 3212 | */ |
| 3213 | |
| 3214 | if (prefix != NULL) xmlFree(prefix); |
| 3215 | if (href != NULL) xmlFree(href); |
| 3216 | #endif |
| 3217 | } |
| 3218 | |
| 3219 | /** |
| 3220 | * xmlScanName: |
| 3221 | * @ctxt: an XML parser context |
| 3222 | * |
| 3223 | * Trickery: parse an XML name but without consuming the input flow |
| 3224 | * Needed for rollback cases. Used only when parsing entities references. |
| 3225 | * |
| 3226 | * TODO: seems deprecated now, only used in the default part of |
| 3227 | * xmlParserHandleReference |
| 3228 | * |
| 3229 | * [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' | |
| 3230 | * CombiningChar | Extender |
| 3231 | * |
| 3232 | * [5] Name ::= (Letter | '_' | ':') (NameChar)* |
| 3233 | * |
| 3234 | * [6] Names ::= Name (S Name)* |
| 3235 | * |
| 3236 | * Returns the Name parsed or NULL |
| 3237 | */ |
| 3238 | |
| 3239 | xmlChar * |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 3240 | xmlScanName(xmlParserCtxtPtr ctxt ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3241 | static int deprecated = 0; |
| 3242 | if (!deprecated) { |
| 3243 | xmlGenericError(xmlGenericErrorContext, |
| 3244 | "xmlScanName() deprecated function reached\n"); |
| 3245 | deprecated = 1; |
| 3246 | } |
| 3247 | return(NULL); |
| 3248 | |
| 3249 | #if 0 |
| 3250 | xmlChar buf[XML_MAX_NAMELEN]; |
| 3251 | int len = 0; |
| 3252 | |
| 3253 | GROW; |
| 3254 | if (!IS_LETTER(RAW) && (RAW != '_') && |
| 3255 | (RAW != ':')) { |
| 3256 | return(NULL); |
| 3257 | } |
| 3258 | |
| 3259 | |
| 3260 | while ((IS_LETTER(NXT(len))) || (IS_DIGIT(NXT(len))) || /* NOT REACHED */ |
| 3261 | (NXT(len) == '.') || (NXT(len) == '-') || |
| 3262 | (NXT(len) == '_') || (NXT(len) == ':') || |
| 3263 | (IS_COMBINING(NXT(len))) || |
| 3264 | (IS_EXTENDER(NXT(len)))) { |
| 3265 | GROW; |
| 3266 | buf[len] = NXT(len); |
| 3267 | len++; |
| 3268 | if (len >= XML_MAX_NAMELEN) { |
| 3269 | xmlGenericError(xmlGenericErrorContext, |
| 3270 | "xmlScanName: reached XML_MAX_NAMELEN limit\n"); |
| 3271 | while ((IS_LETTER(NXT(len))) || /* NOT REACHED */ |
| 3272 | (IS_DIGIT(NXT(len))) || |
| 3273 | (NXT(len) == '.') || (NXT(len) == '-') || |
| 3274 | (NXT(len) == '_') || (NXT(len) == ':') || |
| 3275 | (IS_COMBINING(NXT(len))) || |
| 3276 | (IS_EXTENDER(NXT(len)))) |
| 3277 | len++; |
| 3278 | break; |
| 3279 | } |
| 3280 | } |
| 3281 | return(xmlStrndup(buf, len)); |
| 3282 | #endif |
| 3283 | } |
| 3284 | |
| 3285 | /** |
| 3286 | * xmlParserHandleReference: |
| 3287 | * @ctxt: the parser context |
| 3288 | * |
| 3289 | * TODO: Remove, now deprecated ... the test is done directly in the |
| 3290 | * content parsing |
| 3291 | * routines. |
| 3292 | * |
| 3293 | * [67] Reference ::= EntityRef | CharRef |
| 3294 | * |
| 3295 | * [68] EntityRef ::= '&' Name ';' |
| 3296 | * |
| 3297 | * [ WFC: Entity Declared ] |
| 3298 | * the Name given in the entity reference must match that in an entity |
| 3299 | * declaration, except that well-formed documents need not declare any |
| 3300 | * of the following entities: amp, lt, gt, apos, quot. |
| 3301 | * |
| 3302 | * [ WFC: Parsed Entity ] |
| 3303 | * An entity reference must not contain the name of an unparsed entity |
| 3304 | * |
| 3305 | * [66] CharRef ::= '&#' [0-9]+ ';' | |
| 3306 | * '&#x' [0-9a-fA-F]+ ';' |
| 3307 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3308 | * A PEReference may have been detected in the current input stream |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3309 | * the handling is done accordingly to |
| 3310 | * http://www.w3.org/TR/REC-xml#entproc |
| 3311 | */ |
| 3312 | void |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 3313 | xmlParserHandleReference(xmlParserCtxtPtr ctxt ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3314 | static int deprecated = 0; |
| 3315 | if (!deprecated) { |
| 3316 | xmlGenericError(xmlGenericErrorContext, |
| 3317 | "xmlParserHandleReference() deprecated function reached\n"); |
| 3318 | deprecated = 1; |
| 3319 | } |
| 3320 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3321 | return; |
| 3322 | } |
| 3323 | |
| 3324 | /** |
| 3325 | * xmlHandleEntity: |
| 3326 | * @ctxt: an XML parser context |
| 3327 | * @entity: an XML entity pointer. |
| 3328 | * |
| 3329 | * Default handling of defined entities, when should we define a new input |
| 3330 | * stream ? When do we just handle that as a set of chars ? |
| 3331 | * |
| 3332 | * OBSOLETE: to be removed at some point. |
| 3333 | */ |
| 3334 | |
| 3335 | void |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 3336 | xmlHandleEntity(xmlParserCtxtPtr ctxt ATTRIBUTE_UNUSED, xmlEntityPtr entity ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3337 | static int deprecated = 0; |
| 3338 | if (!deprecated) { |
| 3339 | xmlGenericError(xmlGenericErrorContext, |
| 3340 | "xmlHandleEntity() deprecated function reached\n"); |
| 3341 | deprecated = 1; |
| 3342 | } |
| 3343 | |
| 3344 | #if 0 |
| 3345 | int len; |
| 3346 | xmlParserInputPtr input; |
| 3347 | |
| 3348 | if (entity->content == NULL) { |
| 3349 | ctxt->errNo = XML_ERR_INTERNAL_ERROR; |
| 3350 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 3351 | ctxt->sax->error(ctxt->userData, "xmlHandleEntity %s: content == NULL\n", |
| 3352 | entity->name); |
| 3353 | ctxt->wellFormed = 0; |
Daniel Veillard | dad3f68 | 2002-11-17 16:47:27 +0000 | [diff] [blame] | 3354 | if (ctxt->recovery == 0) ctxt->disableSAX = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3355 | return; |
| 3356 | } |
| 3357 | len = xmlStrlen(entity->content); |
| 3358 | if (len <= 2) goto handle_as_char; |
| 3359 | |
| 3360 | /* |
| 3361 | * Redefine its content as an input stream. |
| 3362 | */ |
| 3363 | input = xmlNewEntityInputStream(ctxt, entity); |
| 3364 | xmlPushInput(ctxt, input); |
| 3365 | return; |
| 3366 | |
| 3367 | handle_as_char: |
| 3368 | /* |
| 3369 | * Just handle the content as a set of chars. |
| 3370 | */ |
| 3371 | if ((ctxt->sax != NULL) && (!ctxt->disableSAX) && |
| 3372 | (ctxt->sax->characters != NULL)) |
| 3373 | ctxt->sax->characters(ctxt->userData, entity->content, len); |
| 3374 | #endif |
| 3375 | } |
| 3376 | |
| 3377 | /** |
| 3378 | * xmlNewGlobalNs: |
| 3379 | * @doc: the document carrying the namespace |
| 3380 | * @href: the URI associated |
| 3381 | * @prefix: the prefix for the namespace |
| 3382 | * |
| 3383 | * Creation of a Namespace, the old way using PI and without scoping |
| 3384 | * DEPRECATED !!! |
| 3385 | * It now create a namespace on the root element of the document if found. |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3386 | * Returns NULL this functionality had been removed |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3387 | */ |
| 3388 | xmlNsPtr |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 3389 | xmlNewGlobalNs(xmlDocPtr doc ATTRIBUTE_UNUSED, const xmlChar *href ATTRIBUTE_UNUSED, |
| 3390 | const xmlChar *prefix ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3391 | static int deprecated = 0; |
| 3392 | if (!deprecated) { |
| 3393 | xmlGenericError(xmlGenericErrorContext, |
| 3394 | "xmlNewGlobalNs() deprecated function reached\n"); |
| 3395 | deprecated = 1; |
| 3396 | } |
| 3397 | return(NULL); |
| 3398 | #if 0 |
| 3399 | xmlNodePtr root; |
| 3400 | |
| 3401 | xmlNsPtr cur; |
| 3402 | |
| 3403 | root = xmlDocGetRootElement(doc); |
| 3404 | if (root != NULL) |
| 3405 | return(xmlNewNs(root, href, prefix)); |
| 3406 | |
| 3407 | /* |
| 3408 | * if there is no root element yet, create an old Namespace type |
| 3409 | * and it will be moved to the root at save time. |
| 3410 | */ |
| 3411 | cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs)); |
| 3412 | if (cur == NULL) { |
| 3413 | xmlGenericError(xmlGenericErrorContext, |
| 3414 | "xmlNewGlobalNs : malloc failed\n"); |
| 3415 | return(NULL); |
| 3416 | } |
| 3417 | memset(cur, 0, sizeof(xmlNs)); |
| 3418 | cur->type = XML_GLOBAL_NAMESPACE; |
| 3419 | |
| 3420 | if (href != NULL) |
| 3421 | cur->href = xmlStrdup(href); |
| 3422 | if (prefix != NULL) |
| 3423 | cur->prefix = xmlStrdup(prefix); |
| 3424 | |
| 3425 | /* |
| 3426 | * Add it at the end to preserve parsing order ... |
| 3427 | */ |
| 3428 | if (doc != NULL) { |
| 3429 | if (doc->oldNs == NULL) { |
| 3430 | doc->oldNs = cur; |
| 3431 | } else { |
| 3432 | xmlNsPtr prev = doc->oldNs; |
| 3433 | |
| 3434 | while (prev->next != NULL) prev = prev->next; |
| 3435 | prev->next = cur; |
| 3436 | } |
| 3437 | } |
| 3438 | |
| 3439 | return(NULL); |
| 3440 | #endif |
| 3441 | } |
| 3442 | |
| 3443 | /** |
| 3444 | * xmlUpgradeOldNs: |
| 3445 | * @doc: a document pointer |
| 3446 | * |
| 3447 | * Upgrade old style Namespaces (PI) and move them to the root of the document. |
| 3448 | * DEPRECATED |
| 3449 | */ |
| 3450 | void |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 3451 | xmlUpgradeOldNs(xmlDocPtr doc ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3452 | static int deprecated = 0; |
| 3453 | if (!deprecated) { |
| 3454 | xmlGenericError(xmlGenericErrorContext, |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3455 | "xmlUpgradeOldNs() deprecated function reached\n"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3456 | deprecated = 1; |
| 3457 | } |
| 3458 | #if 0 |
| 3459 | xmlNsPtr cur; |
| 3460 | |
| 3461 | if ((doc == NULL) || (doc->oldNs == NULL)) return; |
| 3462 | if (doc->children == NULL) { |
| 3463 | #ifdef DEBUG_TREE |
| 3464 | xmlGenericError(xmlGenericErrorContext, |
| 3465 | "xmlUpgradeOldNs: failed no root !\n"); |
| 3466 | #endif |
| 3467 | return; |
| 3468 | } |
| 3469 | |
| 3470 | cur = doc->oldNs; |
| 3471 | while (cur->next != NULL) { |
| 3472 | cur->type = XML_LOCAL_NAMESPACE; |
| 3473 | cur = cur->next; |
| 3474 | } |
| 3475 | cur->type = XML_LOCAL_NAMESPACE; |
| 3476 | cur->next = doc->children->nsDef; |
| 3477 | doc->children->nsDef = doc->oldNs; |
| 3478 | doc->oldNs = NULL; |
| 3479 | #endif |
| 3480 | } |
| 3481 | |