Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1 | /* |
| 2 | * tree.c : implemetation of access function for an XML tree. |
| 3 | * |
| 4 | * See Copyright for the status of this software. |
| 5 | * |
| 6 | * Daniel.Veillard@w3.org |
| 7 | * |
| 8 | * 14 Nov 2000 ht - Changed the name of function xmlBufferWriteChar under VMS |
| 9 | * as it was similar to xmlBufferWriteCHAR when compiling without case |
| 10 | * sensitivity. |
| 11 | * |
| 12 | */ |
| 13 | |
Bjorn Reese | 70a9da5 | 2001-04-21 16:57:29 +0000 | [diff] [blame] | 14 | #include "libxml.h" |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 15 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 16 | #include <string.h> /* for memset() only ! */ |
| 17 | |
| 18 | #ifdef HAVE_CTYPE_H |
| 19 | #include <ctype.h> |
| 20 | #endif |
| 21 | #ifdef HAVE_STDLIB_H |
| 22 | #include <stdlib.h> |
| 23 | #endif |
| 24 | #ifdef HAVE_ZLIB_H |
| 25 | #include <zlib.h> |
| 26 | #endif |
| 27 | |
| 28 | #include <libxml/xmlmemory.h> |
| 29 | #include <libxml/tree.h> |
| 30 | #include <libxml/parser.h> |
| 31 | #include <libxml/entities.h> |
| 32 | #include <libxml/valid.h> |
| 33 | #include <libxml/xmlerror.h> |
Daniel Veillard | bdb9ba7 | 2001-04-11 11:28:06 +0000 | [diff] [blame] | 34 | #include <libxml/parserInternals.h> |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 35 | |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 36 | xmlNsPtr xmlNewReconciliedNs(xmlDocPtr doc, xmlNodePtr tree, xmlNsPtr ns); |
| 37 | |
| 38 | /************************************************************************ |
| 39 | * * |
| 40 | * A few static variables and macros * |
| 41 | * * |
| 42 | ************************************************************************/ |
| 43 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 44 | xmlChar xmlStringText[] = { 't', 'e', 'x', 't', 0 }; |
| 45 | xmlChar xmlStringTextNoenc[] = |
| 46 | { 't', 'e', 'x', 't', 'n', 'o', 'e', 'n', 'c', 0 }; |
| 47 | xmlChar xmlStringComment[] = { 'c', 'o', 'm', 'm', 'e', 'n', 't', 0 }; |
| 48 | int oldXMLWDcompatibility = 0; |
| 49 | int xmlIndentTreeOutput = 0; |
| 50 | xmlBufferAllocationScheme xmlBufferAllocScheme = XML_BUFFER_ALLOC_EXACT; |
| 51 | |
| 52 | static int xmlCompressMode = 0; |
| 53 | static int xmlCheckDTD = 1; |
| 54 | int xmlSaveNoEmptyTags = 0; |
| 55 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 56 | #define UPDATE_LAST_CHILD_AND_PARENT(n) if ((n) != NULL) { \ |
| 57 | xmlNodePtr ulccur = (n)->children; \ |
| 58 | if (ulccur == NULL) { \ |
| 59 | (n)->last = NULL; \ |
| 60 | } else { \ |
| 61 | while (ulccur->next != NULL) { \ |
| 62 | ulccur->parent = (n); \ |
| 63 | ulccur = ulccur->next; \ |
| 64 | } \ |
| 65 | ulccur->parent = (n); \ |
| 66 | (n)->last = ulccur; \ |
| 67 | }} |
| 68 | |
| 69 | /* #define DEBUG_BUFFER */ |
| 70 | /* #define DEBUG_TREE */ |
| 71 | |
| 72 | /************************************************************************ |
| 73 | * * |
| 74 | * Allocation and deallocation of basic structures * |
| 75 | * * |
| 76 | ************************************************************************/ |
| 77 | |
| 78 | /** |
| 79 | * xmlSetBufferAllocationScheme: |
| 80 | * @scheme: allocation method to use |
| 81 | * |
| 82 | * Set the buffer allocation method. Types are |
| 83 | * XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down |
| 84 | * XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed, |
| 85 | * improves performance |
| 86 | */ |
| 87 | void |
| 88 | xmlSetBufferAllocationScheme(xmlBufferAllocationScheme scheme) { |
| 89 | xmlBufferAllocScheme = scheme; |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * xmlGetBufferAllocationScheme: |
| 94 | * |
| 95 | * Types are |
| 96 | * XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down |
| 97 | * XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed, |
| 98 | * improves performance |
| 99 | * |
| 100 | * Returns the current allocation scheme |
| 101 | */ |
| 102 | xmlBufferAllocationScheme |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 103 | xmlGetBufferAllocationScheme(void) { |
Daniel Veillard | e043ee1 | 2001-04-16 14:08:07 +0000 | [diff] [blame] | 104 | return(xmlBufferAllocScheme); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | /** |
| 108 | * xmlNewNs: |
| 109 | * @node: the element carrying the namespace |
| 110 | * @href: the URI associated |
| 111 | * @prefix: the prefix for the namespace |
| 112 | * |
| 113 | * Creation of a new Namespace. This function will refuse to create |
| 114 | * a namespace with a similar prefix than an existing one present on this |
| 115 | * node. |
| 116 | * We use href==NULL in the case of an element creation where the namespace |
| 117 | * was not defined. |
| 118 | * Returns returns a new namespace pointer or NULL |
| 119 | */ |
| 120 | xmlNsPtr |
| 121 | xmlNewNs(xmlNodePtr node, const xmlChar *href, const xmlChar *prefix) { |
| 122 | xmlNsPtr cur; |
| 123 | |
| 124 | if ((node != NULL) && (node->type != XML_ELEMENT_NODE)) |
| 125 | return(NULL); |
| 126 | |
| 127 | /* |
| 128 | * Allocate a new Namespace and fill the fields. |
| 129 | */ |
| 130 | cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs)); |
| 131 | if (cur == NULL) { |
| 132 | xmlGenericError(xmlGenericErrorContext, |
| 133 | "xmlNewNs : malloc failed\n"); |
| 134 | return(NULL); |
| 135 | } |
| 136 | memset(cur, 0, sizeof(xmlNs)); |
| 137 | cur->type = XML_LOCAL_NAMESPACE; |
| 138 | |
| 139 | if (href != NULL) |
| 140 | cur->href = xmlStrdup(href); |
| 141 | if (prefix != NULL) |
| 142 | cur->prefix = xmlStrdup(prefix); |
| 143 | |
| 144 | /* |
| 145 | * Add it at the end to preserve parsing order ... |
| 146 | * and checks for existing use of the prefix |
| 147 | */ |
| 148 | if (node != NULL) { |
| 149 | if (node->nsDef == NULL) { |
| 150 | node->nsDef = cur; |
| 151 | } else { |
| 152 | xmlNsPtr prev = node->nsDef; |
| 153 | |
| 154 | if (((prev->prefix == NULL) && (cur->prefix == NULL)) || |
| 155 | (xmlStrEqual(prev->prefix, cur->prefix))) { |
| 156 | xmlFreeNs(cur); |
| 157 | return(NULL); |
| 158 | } |
| 159 | while (prev->next != NULL) { |
| 160 | prev = prev->next; |
| 161 | if (((prev->prefix == NULL) && (cur->prefix == NULL)) || |
| 162 | (xmlStrEqual(prev->prefix, cur->prefix))) { |
| 163 | xmlFreeNs(cur); |
| 164 | return(NULL); |
| 165 | } |
| 166 | } |
| 167 | prev->next = cur; |
| 168 | } |
| 169 | } |
| 170 | return(cur); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * xmlSetNs: |
| 175 | * @node: a node in the document |
| 176 | * @ns: a namespace pointer |
| 177 | * |
| 178 | * Associate a namespace to a node, a posteriori. |
| 179 | */ |
| 180 | void |
| 181 | xmlSetNs(xmlNodePtr node, xmlNsPtr ns) { |
| 182 | if (node == NULL) { |
| 183 | #ifdef DEBUG_TREE |
| 184 | xmlGenericError(xmlGenericErrorContext, |
| 185 | "xmlSetNs: node == NULL\n"); |
| 186 | #endif |
| 187 | return; |
| 188 | } |
| 189 | node->ns = ns; |
| 190 | } |
| 191 | |
| 192 | /** |
| 193 | * xmlFreeNs: |
| 194 | * @cur: the namespace pointer |
| 195 | * |
| 196 | * Free up the structures associated to a namespace |
| 197 | */ |
| 198 | void |
| 199 | xmlFreeNs(xmlNsPtr cur) { |
| 200 | if (cur == NULL) { |
| 201 | #ifdef DEBUG_TREE |
| 202 | xmlGenericError(xmlGenericErrorContext, |
| 203 | "xmlFreeNs : ns == NULL\n"); |
| 204 | #endif |
| 205 | return; |
| 206 | } |
| 207 | if (cur->href != NULL) xmlFree((char *) cur->href); |
| 208 | if (cur->prefix != NULL) xmlFree((char *) cur->prefix); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 209 | xmlFree(cur); |
| 210 | } |
| 211 | |
| 212 | /** |
| 213 | * xmlFreeNsList: |
| 214 | * @cur: the first namespace pointer |
| 215 | * |
| 216 | * Free up all the structures associated to the chained namespaces. |
| 217 | */ |
| 218 | void |
| 219 | xmlFreeNsList(xmlNsPtr cur) { |
| 220 | xmlNsPtr next; |
| 221 | if (cur == NULL) { |
| 222 | #ifdef DEBUG_TREE |
| 223 | xmlGenericError(xmlGenericErrorContext, |
| 224 | "xmlFreeNsList : ns == NULL\n"); |
| 225 | #endif |
| 226 | return; |
| 227 | } |
| 228 | while (cur != NULL) { |
| 229 | next = cur->next; |
| 230 | xmlFreeNs(cur); |
| 231 | cur = next; |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * xmlNewDtd: |
| 237 | * @doc: the document pointer |
| 238 | * @name: the DTD name |
| 239 | * @ExternalID: the external ID |
| 240 | * @SystemID: the system ID |
| 241 | * |
| 242 | * Creation of a new DTD for the external subset. To create an |
| 243 | * internal subset, use xmlCreateIntSubset(). |
| 244 | * |
| 245 | * Returns a pointer to the new DTD structure |
| 246 | */ |
| 247 | xmlDtdPtr |
| 248 | xmlNewDtd(xmlDocPtr doc, const xmlChar *name, |
| 249 | const xmlChar *ExternalID, const xmlChar *SystemID) { |
| 250 | xmlDtdPtr cur; |
| 251 | |
| 252 | if ((doc != NULL) && (doc->extSubset != NULL)) { |
| 253 | #ifdef DEBUG_TREE |
| 254 | xmlGenericError(xmlGenericErrorContext, |
| 255 | "xmlNewDtd(%s): document %s already have a DTD %s\n", |
| 256 | /* !!! */ (char *) name, doc->name, |
| 257 | /* !!! */ (char *)doc->extSubset->name); |
| 258 | #endif |
| 259 | return(NULL); |
| 260 | } |
| 261 | |
| 262 | /* |
| 263 | * Allocate a new DTD and fill the fields. |
| 264 | */ |
| 265 | cur = (xmlDtdPtr) xmlMalloc(sizeof(xmlDtd)); |
| 266 | if (cur == NULL) { |
| 267 | xmlGenericError(xmlGenericErrorContext, |
| 268 | "xmlNewDtd : malloc failed\n"); |
| 269 | return(NULL); |
| 270 | } |
| 271 | memset(cur, 0 , sizeof(xmlDtd)); |
| 272 | cur->type = XML_DTD_NODE; |
| 273 | |
| 274 | if (name != NULL) |
| 275 | cur->name = xmlStrdup(name); |
| 276 | if (ExternalID != NULL) |
| 277 | cur->ExternalID = xmlStrdup(ExternalID); |
| 278 | if (SystemID != NULL) |
| 279 | cur->SystemID = xmlStrdup(SystemID); |
| 280 | if (doc != NULL) |
| 281 | doc->extSubset = cur; |
| 282 | cur->doc = doc; |
| 283 | |
| 284 | return(cur); |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * xmlGetIntSubset: |
| 289 | * @doc: the document pointer |
| 290 | * |
| 291 | * Get the internal subset of a document |
| 292 | * Returns a pointer to the DTD structure or NULL if not found |
| 293 | */ |
| 294 | |
| 295 | xmlDtdPtr |
| 296 | xmlGetIntSubset(xmlDocPtr doc) { |
| 297 | xmlNodePtr cur; |
| 298 | |
| 299 | if (doc == NULL) |
| 300 | return(NULL); |
| 301 | cur = doc->children; |
| 302 | while (cur != NULL) { |
| 303 | if (cur->type == XML_DTD_NODE) |
| 304 | return((xmlDtdPtr) cur); |
| 305 | cur = cur->next; |
| 306 | } |
| 307 | return((xmlDtdPtr) doc->intSubset); |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * xmlCreateIntSubset: |
| 312 | * @doc: the document pointer |
| 313 | * @name: the DTD name |
Daniel Veillard | e356c28 | 2001-03-10 12:32:04 +0000 | [diff] [blame] | 314 | * @ExternalID: the external (PUBLIC) ID |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 315 | * @SystemID: the system ID |
| 316 | * |
| 317 | * Create the internal subset of a document |
| 318 | * Returns a pointer to the new DTD structure |
| 319 | */ |
| 320 | xmlDtdPtr |
| 321 | xmlCreateIntSubset(xmlDocPtr doc, const xmlChar *name, |
| 322 | const xmlChar *ExternalID, const xmlChar *SystemID) { |
| 323 | xmlDtdPtr cur; |
| 324 | |
| 325 | if ((doc != NULL) && (xmlGetIntSubset(doc) != NULL)) { |
| 326 | #ifdef DEBUG_TREE |
| 327 | xmlGenericError(xmlGenericErrorContext, |
| 328 | |
| 329 | "xmlCreateIntSubset(): document %s already have an internal subset\n", |
| 330 | doc->name); |
| 331 | #endif |
| 332 | return(NULL); |
| 333 | } |
| 334 | |
| 335 | /* |
| 336 | * Allocate a new DTD and fill the fields. |
| 337 | */ |
| 338 | cur = (xmlDtdPtr) xmlMalloc(sizeof(xmlDtd)); |
| 339 | if (cur == NULL) { |
| 340 | xmlGenericError(xmlGenericErrorContext, |
| 341 | "xmlNewDtd : malloc failed\n"); |
| 342 | return(NULL); |
| 343 | } |
| 344 | memset(cur, 0, sizeof(xmlDtd)); |
| 345 | cur->type = XML_DTD_NODE; |
| 346 | |
| 347 | if (name != NULL) |
| 348 | cur->name = xmlStrdup(name); |
| 349 | if (ExternalID != NULL) |
| 350 | cur->ExternalID = xmlStrdup(ExternalID); |
| 351 | if (SystemID != NULL) |
| 352 | cur->SystemID = xmlStrdup(SystemID); |
| 353 | if (doc != NULL) { |
| 354 | doc->intSubset = cur; |
| 355 | cur->parent = doc; |
| 356 | cur->doc = doc; |
| 357 | if (doc->children == NULL) { |
| 358 | doc->children = (xmlNodePtr) cur; |
| 359 | doc->last = (xmlNodePtr) cur; |
| 360 | } else { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 361 | if (doc->type == XML_HTML_DOCUMENT_NODE) { |
Daniel Veillard | e356c28 | 2001-03-10 12:32:04 +0000 | [diff] [blame] | 362 | xmlNodePtr prev; |
| 363 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 364 | prev = doc->children; |
| 365 | prev->prev = (xmlNodePtr) cur; |
| 366 | cur->next = prev; |
| 367 | doc->children = (xmlNodePtr) cur; |
| 368 | } else { |
Daniel Veillard | e356c28 | 2001-03-10 12:32:04 +0000 | [diff] [blame] | 369 | xmlNodePtr next; |
| 370 | |
| 371 | next = doc->children; |
| 372 | while ((next != NULL) && (next->type != XML_ELEMENT_NODE)) |
| 373 | next = next->next; |
| 374 | if (next == NULL) { |
| 375 | cur->prev = doc->last; |
| 376 | cur->prev->next = (xmlNodePtr) cur; |
| 377 | cur->next = NULL; |
| 378 | doc->last = (xmlNodePtr) cur; |
| 379 | } else { |
| 380 | cur->next = next; |
| 381 | cur->prev = next->prev; |
| 382 | if (cur->prev == NULL) |
| 383 | doc->children = (xmlNodePtr) cur; |
| 384 | else |
| 385 | cur->prev->next = (xmlNodePtr) cur; |
| 386 | next->prev = (xmlNodePtr) cur; |
| 387 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 388 | } |
| 389 | } |
| 390 | } |
| 391 | return(cur); |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * xmlFreeDtd: |
| 396 | * @cur: the DTD structure to free up |
| 397 | * |
| 398 | * Free a DTD structure. |
| 399 | */ |
| 400 | void |
| 401 | xmlFreeDtd(xmlDtdPtr cur) { |
| 402 | if (cur == NULL) { |
| 403 | #ifdef DEBUG_TREE |
| 404 | xmlGenericError(xmlGenericErrorContext, |
| 405 | "xmlFreeDtd : DTD == NULL\n"); |
| 406 | #endif |
| 407 | return; |
| 408 | } |
| 409 | if (cur->children != NULL) { |
| 410 | xmlNodePtr next, c = cur->children; |
| 411 | |
| 412 | /* |
| 413 | * Cleanup all the DTD comments they are not in the Dtd |
| 414 | * indexes. |
| 415 | */ |
| 416 | while (c != NULL) { |
| 417 | next = c->next; |
| 418 | if (c->type == XML_COMMENT_NODE) { |
| 419 | xmlUnlinkNode(c); |
| 420 | xmlFreeNode(c); |
| 421 | } |
| 422 | c = next; |
| 423 | } |
| 424 | } |
| 425 | if (cur->name != NULL) xmlFree((char *) cur->name); |
| 426 | if (cur->SystemID != NULL) xmlFree((char *) cur->SystemID); |
| 427 | if (cur->ExternalID != NULL) xmlFree((char *) cur->ExternalID); |
| 428 | /* TODO !!! */ |
| 429 | if (cur->notations != NULL) |
| 430 | xmlFreeNotationTable((xmlNotationTablePtr) cur->notations); |
| 431 | |
| 432 | if (cur->elements != NULL) |
| 433 | xmlFreeElementTable((xmlElementTablePtr) cur->elements); |
| 434 | if (cur->attributes != NULL) |
| 435 | xmlFreeAttributeTable((xmlAttributeTablePtr) cur->attributes); |
| 436 | if (cur->entities != NULL) |
| 437 | xmlFreeEntitiesTable((xmlEntitiesTablePtr) cur->entities); |
| 438 | if (cur->pentities != NULL) |
| 439 | xmlFreeEntitiesTable((xmlEntitiesTablePtr) cur->pentities); |
| 440 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 441 | xmlFree(cur); |
| 442 | } |
| 443 | |
| 444 | /** |
| 445 | * xmlNewDoc: |
| 446 | * @version: xmlChar string giving the version of XML "1.0" |
| 447 | * |
| 448 | * Returns a new document |
| 449 | */ |
| 450 | xmlDocPtr |
| 451 | xmlNewDoc(const xmlChar *version) { |
| 452 | xmlDocPtr cur; |
| 453 | |
| 454 | if (version == NULL) |
| 455 | version = (const xmlChar *) "1.0"; |
| 456 | |
| 457 | /* |
| 458 | * Allocate a new document and fill the fields. |
| 459 | */ |
| 460 | cur = (xmlDocPtr) xmlMalloc(sizeof(xmlDoc)); |
| 461 | if (cur == NULL) { |
| 462 | xmlGenericError(xmlGenericErrorContext, |
| 463 | "xmlNewDoc : malloc failed\n"); |
| 464 | return(NULL); |
| 465 | } |
| 466 | memset(cur, 0, sizeof(xmlDoc)); |
| 467 | cur->type = XML_DOCUMENT_NODE; |
| 468 | |
| 469 | cur->version = xmlStrdup(version); |
| 470 | cur->standalone = -1; |
| 471 | cur->compression = -1; /* not initialized */ |
| 472 | cur->doc = cur; |
Daniel Veillard | d2f3ec7 | 2001-04-11 07:50:02 +0000 | [diff] [blame] | 473 | cur->charset = XML_CHAR_ENCODING_UTF8; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 474 | return(cur); |
| 475 | } |
| 476 | |
| 477 | /** |
| 478 | * xmlFreeDoc: |
| 479 | * @cur: pointer to the document |
| 480 | * @: |
| 481 | * |
| 482 | * Free up all the structures used by a document, tree included. |
| 483 | */ |
| 484 | void |
| 485 | xmlFreeDoc(xmlDocPtr cur) { |
| 486 | if (cur == NULL) { |
| 487 | #ifdef DEBUG_TREE |
| 488 | xmlGenericError(xmlGenericErrorContext, |
| 489 | "xmlFreeDoc : document == NULL\n"); |
| 490 | #endif |
| 491 | return; |
| 492 | } |
| 493 | if (cur->version != NULL) xmlFree((char *) cur->version); |
| 494 | if (cur->name != NULL) xmlFree((char *) cur->name); |
| 495 | if (cur->encoding != NULL) xmlFree((char *) cur->encoding); |
| 496 | if (cur->children != NULL) xmlFreeNodeList(cur->children); |
| 497 | if (cur->intSubset != NULL) xmlFreeDtd(cur->intSubset); |
| 498 | if (cur->extSubset != NULL) xmlFreeDtd(cur->extSubset); |
| 499 | if (cur->oldNs != NULL) xmlFreeNsList(cur->oldNs); |
| 500 | if (cur->ids != NULL) xmlFreeIDTable((xmlIDTablePtr) cur->ids); |
| 501 | if (cur->refs != NULL) xmlFreeRefTable((xmlRefTablePtr) cur->refs); |
| 502 | if (cur->URL != NULL) xmlFree((char *) cur->URL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 503 | xmlFree(cur); |
| 504 | } |
| 505 | |
| 506 | /** |
| 507 | * xmlStringLenGetNodeList: |
| 508 | * @doc: the document |
| 509 | * @value: the value of the text |
| 510 | * @len: the length of the string value |
| 511 | * |
| 512 | * Parse the value string and build the node list associated. Should |
| 513 | * produce a flat tree with only TEXTs and ENTITY_REFs. |
| 514 | * Returns a pointer to the first child |
| 515 | */ |
| 516 | xmlNodePtr |
| 517 | xmlStringLenGetNodeList(xmlDocPtr doc, const xmlChar *value, int len) { |
| 518 | xmlNodePtr ret = NULL, last = NULL; |
| 519 | xmlNodePtr node; |
| 520 | xmlChar *val; |
| 521 | const xmlChar *cur = value; |
| 522 | const xmlChar *q; |
| 523 | xmlEntityPtr ent; |
| 524 | |
| 525 | if (value == NULL) return(NULL); |
| 526 | |
| 527 | q = cur; |
| 528 | while ((*cur != 0) && (cur - value < len)) { |
| 529 | if (*cur == '&') { |
| 530 | /* |
| 531 | * Save the current text. |
| 532 | */ |
| 533 | if (cur != q) { |
| 534 | if ((last != NULL) && (last->type == XML_TEXT_NODE)) { |
| 535 | xmlNodeAddContentLen(last, q, cur - q); |
| 536 | } else { |
| 537 | node = xmlNewDocTextLen(doc, q, cur - q); |
| 538 | if (node == NULL) return(ret); |
| 539 | if (last == NULL) |
| 540 | last = ret = node; |
| 541 | else { |
| 542 | last->next = node; |
| 543 | node->prev = last; |
| 544 | last = node; |
| 545 | } |
| 546 | } |
| 547 | } |
| 548 | /* |
| 549 | * Read the entity string |
| 550 | */ |
| 551 | cur++; |
| 552 | q = cur; |
| 553 | while ((*cur != 0) && (cur - value < len) && (*cur != ';')) cur++; |
| 554 | if ((*cur == 0) || (cur - value >= len)) { |
| 555 | #ifdef DEBUG_TREE |
| 556 | xmlGenericError(xmlGenericErrorContext, |
| 557 | "xmlStringLenGetNodeList: unterminated entity %30s\n", q); |
| 558 | #endif |
| 559 | return(ret); |
| 560 | } |
| 561 | if (cur != q) { |
| 562 | /* |
| 563 | * Predefined entities don't generate nodes |
| 564 | */ |
| 565 | val = xmlStrndup(q, cur - q); |
| 566 | ent = xmlGetDocEntity(doc, val); |
| 567 | if ((ent != NULL) && |
| 568 | (ent->etype == XML_INTERNAL_PREDEFINED_ENTITY)) { |
| 569 | if (last == NULL) { |
| 570 | node = xmlNewDocText(doc, ent->content); |
| 571 | last = ret = node; |
| 572 | } else |
| 573 | xmlNodeAddContent(last, ent->content); |
| 574 | |
| 575 | } else { |
| 576 | /* |
| 577 | * Create a new REFERENCE_REF node |
| 578 | */ |
| 579 | node = xmlNewReference(doc, val); |
| 580 | if (node == NULL) { |
| 581 | if (val != NULL) xmlFree(val); |
| 582 | return(ret); |
| 583 | } |
| 584 | if (last == NULL) |
| 585 | last = ret = node; |
| 586 | else { |
| 587 | last->next = node; |
| 588 | node->prev = last; |
| 589 | last = node; |
| 590 | } |
| 591 | } |
| 592 | xmlFree(val); |
| 593 | } |
| 594 | cur++; |
| 595 | q = cur; |
| 596 | } else |
| 597 | cur++; |
| 598 | } |
| 599 | if (cur != q) { |
| 600 | /* |
| 601 | * Handle the last piece of text. |
| 602 | */ |
| 603 | if ((last != NULL) && (last->type == XML_TEXT_NODE)) { |
| 604 | xmlNodeAddContentLen(last, q, cur - q); |
| 605 | } else { |
| 606 | node = xmlNewDocTextLen(doc, q, cur - q); |
| 607 | if (node == NULL) return(ret); |
| 608 | if (last == NULL) |
| 609 | last = ret = node; |
| 610 | else { |
| 611 | last->next = node; |
| 612 | node->prev = last; |
| 613 | last = node; |
| 614 | } |
| 615 | } |
| 616 | } |
| 617 | return(ret); |
| 618 | } |
| 619 | |
| 620 | /** |
| 621 | * xmlStringGetNodeList: |
| 622 | * @doc: the document |
| 623 | * @value: the value of the attribute |
| 624 | * |
| 625 | * Parse the value string and build the node list associated. Should |
| 626 | * produce a flat tree with only TEXTs and ENTITY_REFs. |
| 627 | * Returns a pointer to the first child |
| 628 | */ |
| 629 | xmlNodePtr |
| 630 | xmlStringGetNodeList(xmlDocPtr doc, const xmlChar *value) { |
| 631 | xmlNodePtr ret = NULL, last = NULL; |
| 632 | xmlNodePtr node; |
| 633 | xmlChar *val; |
| 634 | const xmlChar *cur = value; |
| 635 | const xmlChar *q; |
| 636 | xmlEntityPtr ent; |
| 637 | |
| 638 | if (value == NULL) return(NULL); |
| 639 | |
| 640 | q = cur; |
| 641 | while (*cur != 0) { |
Daniel Veillard | bdb9ba7 | 2001-04-11 11:28:06 +0000 | [diff] [blame] | 642 | if (cur[0] == '&') { |
| 643 | int charval = 0; |
| 644 | xmlChar tmp; |
| 645 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 646 | /* |
| 647 | * Save the current text. |
| 648 | */ |
| 649 | if (cur != q) { |
| 650 | if ((last != NULL) && (last->type == XML_TEXT_NODE)) { |
| 651 | xmlNodeAddContentLen(last, q, cur - q); |
| 652 | } else { |
| 653 | node = xmlNewDocTextLen(doc, q, cur - q); |
| 654 | if (node == NULL) return(ret); |
| 655 | if (last == NULL) |
| 656 | last = ret = node; |
| 657 | else { |
| 658 | last->next = node; |
| 659 | node->prev = last; |
| 660 | last = node; |
| 661 | } |
| 662 | } |
| 663 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 664 | q = cur; |
Daniel Veillard | bdb9ba7 | 2001-04-11 11:28:06 +0000 | [diff] [blame] | 665 | if ((cur[1] == '#') && (cur[2] == 'x')) { |
| 666 | cur += 3; |
| 667 | tmp = *cur; |
| 668 | while (tmp != ';') { /* Non input consuming loop */ |
| 669 | if ((tmp >= '0') && (tmp <= '9')) |
| 670 | charval = charval * 16 + (tmp - '0'); |
| 671 | else if ((tmp >= 'a') && (tmp <= 'f')) |
| 672 | charval = charval * 16 + (tmp - 'a') + 10; |
| 673 | else if ((tmp >= 'A') && (tmp <= 'F')) |
| 674 | charval = charval * 16 + (tmp - 'A') + 10; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 675 | else { |
Daniel Veillard | bdb9ba7 | 2001-04-11 11:28:06 +0000 | [diff] [blame] | 676 | xmlGenericError(xmlGenericErrorContext, |
| 677 | "xmlStringGetNodeList: incharvalid hexadecimal charvalue\n"); |
| 678 | charval = 0; |
| 679 | break; |
| 680 | } |
| 681 | cur++; |
| 682 | tmp = *cur; |
| 683 | } |
| 684 | if (tmp == ';') |
| 685 | cur++; |
| 686 | q = cur; |
| 687 | } else if (cur[1] == '#') { |
| 688 | cur += 2; |
| 689 | tmp = *cur; |
| 690 | while (tmp != ';') { /* Non input consuming loops */ |
| 691 | if ((tmp >= '0') && (tmp <= '9')) |
| 692 | charval = charval * 10 + (tmp - '0'); |
| 693 | else { |
| 694 | xmlGenericError(xmlGenericErrorContext, |
| 695 | "xmlStringGetNodeList: incharvalid decimal charvalue\n"); |
| 696 | charval = 0; |
| 697 | break; |
| 698 | } |
| 699 | cur++; |
| 700 | tmp = *cur; |
| 701 | } |
| 702 | if (tmp == ';') |
| 703 | cur++; |
| 704 | q = cur; |
| 705 | } else { |
| 706 | /* |
| 707 | * Read the entity string |
| 708 | */ |
| 709 | cur++; |
| 710 | q = cur; |
| 711 | while ((*cur != 0) && (*cur != ';')) cur++; |
| 712 | if (*cur == 0) { |
| 713 | #ifdef DEBUG_TREE |
| 714 | xmlGenericError(xmlGenericErrorContext, |
| 715 | "xmlStringGetNodeList: unterminated entity %30s\n", q); |
| 716 | #endif |
| 717 | return(ret); |
| 718 | } |
| 719 | if (cur != q) { |
| 720 | /* |
| 721 | * Predefined entities don't generate nodes |
| 722 | */ |
| 723 | val = xmlStrndup(q, cur - q); |
| 724 | ent = xmlGetDocEntity(doc, val); |
| 725 | if ((ent != NULL) && |
| 726 | (ent->etype == XML_INTERNAL_PREDEFINED_ENTITY)) { |
| 727 | if (last == NULL) { |
| 728 | node = xmlNewDocText(doc, ent->content); |
| 729 | last = ret = node; |
| 730 | } else |
| 731 | xmlNodeAddContent(last, ent->content); |
| 732 | |
| 733 | } else { |
| 734 | /* |
| 735 | * Create a new REFERENCE_REF node |
| 736 | */ |
| 737 | node = xmlNewReference(doc, val); |
| 738 | if (node == NULL) { |
| 739 | if (val != NULL) xmlFree(val); |
| 740 | return(ret); |
| 741 | } |
| 742 | if (last == NULL) { |
| 743 | last = ret = node; |
| 744 | } else { |
| 745 | last = xmlAddNextSibling(last, node); |
| 746 | } |
| 747 | } |
| 748 | xmlFree(val); |
| 749 | } |
| 750 | cur++; |
| 751 | q = cur; |
| 752 | } |
| 753 | if (charval != 0) { |
| 754 | xmlChar buf[10]; |
| 755 | int len; |
| 756 | |
| 757 | len = xmlCopyCharMultiByte(buf, charval); |
| 758 | buf[len] = 0; |
| 759 | node = xmlNewDocText(doc, buf); |
| 760 | if (node != NULL) { |
| 761 | if (last == NULL) { |
| 762 | last = ret = node; |
| 763 | } else { |
| 764 | last = xmlAddNextSibling(last, node); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 765 | } |
| 766 | } |
Daniel Veillard | bdb9ba7 | 2001-04-11 11:28:06 +0000 | [diff] [blame] | 767 | |
| 768 | charval = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 769 | } |
Daniel Veillard | bdb9ba7 | 2001-04-11 11:28:06 +0000 | [diff] [blame] | 770 | } else |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 771 | cur++; |
| 772 | } |
Daniel Veillard | 75bea54 | 2001-05-11 17:41:21 +0000 | [diff] [blame] | 773 | if ((cur != q) || (ret == NULL)) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 774 | /* |
| 775 | * Handle the last piece of text. |
| 776 | */ |
| 777 | if ((last != NULL) && (last->type == XML_TEXT_NODE)) { |
| 778 | xmlNodeAddContentLen(last, q, cur - q); |
| 779 | } else { |
| 780 | node = xmlNewDocTextLen(doc, q, cur - q); |
| 781 | if (node == NULL) return(ret); |
Daniel Veillard | bdb9ba7 | 2001-04-11 11:28:06 +0000 | [diff] [blame] | 782 | if (last == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 783 | last = ret = node; |
Daniel Veillard | bdb9ba7 | 2001-04-11 11:28:06 +0000 | [diff] [blame] | 784 | } else { |
| 785 | last = xmlAddNextSibling(last, node); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 786 | } |
| 787 | } |
| 788 | } |
| 789 | return(ret); |
| 790 | } |
| 791 | |
| 792 | /** |
| 793 | * xmlNodeListGetString: |
| 794 | * @doc: the document |
| 795 | * @list: a Node list |
| 796 | * @inLine: should we replace entity contents or show their external form |
| 797 | * |
| 798 | * Returns the string equivalent to the text contained in the Node list |
| 799 | * made of TEXTs and ENTITY_REFs |
| 800 | * Returns a pointer to the string copy, the calller must free it. |
| 801 | */ |
| 802 | xmlChar * |
| 803 | xmlNodeListGetString(xmlDocPtr doc, xmlNodePtr list, int inLine) { |
| 804 | xmlNodePtr node = list; |
| 805 | xmlChar *ret = NULL; |
| 806 | xmlEntityPtr ent; |
| 807 | |
| 808 | if (list == NULL) return(NULL); |
| 809 | |
| 810 | while (node != NULL) { |
| 811 | if ((node->type == XML_TEXT_NODE) || |
| 812 | (node->type == XML_CDATA_SECTION_NODE)) { |
| 813 | if (inLine) { |
| 814 | #ifndef XML_USE_BUFFER_CONTENT |
| 815 | ret = xmlStrcat(ret, node->content); |
| 816 | #else |
| 817 | ret = xmlStrcat(ret, xmlBufferContent(node->content)); |
| 818 | #endif |
| 819 | } else { |
| 820 | xmlChar *buffer; |
| 821 | |
| 822 | #ifndef XML_USE_BUFFER_CONTENT |
| 823 | buffer = xmlEncodeEntitiesReentrant(doc, node->content); |
| 824 | #else |
| 825 | buffer = xmlEncodeEntitiesReentrant(doc, |
| 826 | xmlBufferContent(node->content)); |
| 827 | #endif |
| 828 | if (buffer != NULL) { |
| 829 | ret = xmlStrcat(ret, buffer); |
| 830 | xmlFree(buffer); |
| 831 | } |
| 832 | } |
| 833 | } else if (node->type == XML_ENTITY_REF_NODE) { |
| 834 | if (inLine) { |
| 835 | ent = xmlGetDocEntity(doc, node->name); |
| 836 | if (ent != NULL) |
| 837 | ret = xmlStrcat(ret, ent->content); |
| 838 | else { |
| 839 | #ifndef XML_USE_BUFFER_CONTENT |
| 840 | ret = xmlStrcat(ret, node->content); |
| 841 | #else |
| 842 | ret = xmlStrcat(ret, xmlBufferContent(node->content)); |
| 843 | #endif |
| 844 | } |
| 845 | } else { |
| 846 | xmlChar buf[2]; |
| 847 | buf[0] = '&'; buf[1] = 0; |
| 848 | ret = xmlStrncat(ret, buf, 1); |
| 849 | ret = xmlStrcat(ret, node->name); |
| 850 | buf[0] = ';'; buf[1] = 0; |
| 851 | ret = xmlStrncat(ret, buf, 1); |
| 852 | } |
| 853 | } |
| 854 | #if 0 |
| 855 | else { |
| 856 | xmlGenericError(xmlGenericErrorContext, |
| 857 | "xmlGetNodeListString : invalide node type %d\n", |
| 858 | node->type); |
| 859 | } |
| 860 | #endif |
| 861 | node = node->next; |
| 862 | } |
| 863 | return(ret); |
| 864 | } |
| 865 | |
| 866 | /** |
| 867 | * xmlNodeListGetRawString: |
| 868 | * @doc: the document |
| 869 | * @list: a Node list |
| 870 | * @inLine: should we replace entity contents or show their external form |
| 871 | * |
| 872 | * Returns the string equivalent to the text contained in the Node list |
| 873 | * made of TEXTs and ENTITY_REFs, contrary to xmlNodeListGetString() |
| 874 | * this function doesn't do any character encoding handling. |
| 875 | * |
| 876 | * Returns a pointer to the string copy, the calller must free it. |
| 877 | */ |
| 878 | xmlChar * |
| 879 | xmlNodeListGetRawString(xmlDocPtr doc, xmlNodePtr list, int inLine) { |
| 880 | xmlNodePtr node = list; |
| 881 | xmlChar *ret = NULL; |
| 882 | xmlEntityPtr ent; |
| 883 | |
| 884 | if (list == NULL) return(NULL); |
| 885 | |
| 886 | while (node != NULL) { |
| 887 | if (node->type == XML_TEXT_NODE) { |
| 888 | if (inLine) { |
| 889 | #ifndef XML_USE_BUFFER_CONTENT |
| 890 | ret = xmlStrcat(ret, node->content); |
| 891 | #else |
| 892 | ret = xmlStrcat(ret, xmlBufferContent(node->content)); |
| 893 | #endif |
| 894 | } else { |
| 895 | xmlChar *buffer; |
| 896 | |
| 897 | #ifndef XML_USE_BUFFER_CONTENT |
| 898 | buffer = xmlEncodeSpecialChars(doc, node->content); |
| 899 | #else |
| 900 | buffer = xmlEncodeSpecialChars(doc, |
| 901 | xmlBufferContent(node->content)); |
| 902 | #endif |
| 903 | if (buffer != NULL) { |
| 904 | ret = xmlStrcat(ret, buffer); |
| 905 | xmlFree(buffer); |
| 906 | } |
| 907 | } |
| 908 | } else if (node->type == XML_ENTITY_REF_NODE) { |
| 909 | if (inLine) { |
| 910 | ent = xmlGetDocEntity(doc, node->name); |
| 911 | if (ent != NULL) |
| 912 | ret = xmlStrcat(ret, ent->content); |
| 913 | else { |
| 914 | #ifndef XML_USE_BUFFER_CONTENT |
| 915 | ret = xmlStrcat(ret, node->content); |
| 916 | #else |
| 917 | ret = xmlStrcat(ret, xmlBufferContent(node->content)); |
| 918 | #endif |
| 919 | } |
| 920 | } else { |
| 921 | xmlChar buf[2]; |
| 922 | buf[0] = '&'; buf[1] = 0; |
| 923 | ret = xmlStrncat(ret, buf, 1); |
| 924 | ret = xmlStrcat(ret, node->name); |
| 925 | buf[0] = ';'; buf[1] = 0; |
| 926 | ret = xmlStrncat(ret, buf, 1); |
| 927 | } |
| 928 | } |
| 929 | #if 0 |
| 930 | else { |
| 931 | xmlGenericError(xmlGenericErrorContext, |
| 932 | "xmlGetNodeListString : invalide node type %d\n", |
| 933 | node->type); |
| 934 | } |
| 935 | #endif |
| 936 | node = node->next; |
| 937 | } |
| 938 | return(ret); |
| 939 | } |
| 940 | |
| 941 | /** |
| 942 | * xmlNewProp: |
| 943 | * @node: the holding node |
| 944 | * @name: the name of the attribute |
| 945 | * @value: the value of the attribute |
| 946 | * |
| 947 | * Create a new property carried by a node. |
| 948 | * Returns a pointer to the attribute |
| 949 | */ |
| 950 | xmlAttrPtr |
| 951 | xmlNewProp(xmlNodePtr node, const xmlChar *name, const xmlChar *value) { |
| 952 | xmlAttrPtr cur; |
| 953 | xmlDocPtr doc = NULL; |
| 954 | |
| 955 | if (name == NULL) { |
| 956 | #ifdef DEBUG_TREE |
| 957 | xmlGenericError(xmlGenericErrorContext, |
| 958 | "xmlNewProp : name == NULL\n"); |
| 959 | #endif |
| 960 | return(NULL); |
| 961 | } |
| 962 | |
| 963 | /* |
| 964 | * Allocate a new property and fill the fields. |
| 965 | */ |
| 966 | cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr)); |
| 967 | if (cur == NULL) { |
| 968 | xmlGenericError(xmlGenericErrorContext, |
| 969 | "xmlNewProp : malloc failed\n"); |
| 970 | return(NULL); |
| 971 | } |
| 972 | memset(cur, 0, sizeof(xmlAttr)); |
| 973 | cur->type = XML_ATTRIBUTE_NODE; |
| 974 | |
| 975 | cur->parent = node; |
| 976 | if (node != NULL) { |
| 977 | doc = node->doc; |
| 978 | cur->doc = doc; |
| 979 | } |
| 980 | cur->name = xmlStrdup(name); |
| 981 | if (value != NULL) { |
| 982 | xmlChar *buffer; |
| 983 | xmlNodePtr tmp; |
| 984 | |
| 985 | buffer = xmlEncodeEntitiesReentrant(doc, value); |
| 986 | cur->children = xmlStringGetNodeList(doc, buffer); |
| 987 | cur->last = NULL; |
| 988 | tmp = cur->children; |
| 989 | while (tmp != NULL) { |
| 990 | tmp->parent = (xmlNodePtr) cur; |
| 991 | tmp->doc = doc; |
| 992 | if (tmp->next == NULL) |
| 993 | cur->last = tmp; |
| 994 | tmp = tmp->next; |
| 995 | } |
| 996 | xmlFree(buffer); |
| 997 | } |
| 998 | |
| 999 | /* |
| 1000 | * Add it at the end to preserve parsing order ... |
| 1001 | */ |
| 1002 | if (node != NULL) { |
| 1003 | if (node->properties == NULL) { |
| 1004 | node->properties = cur; |
| 1005 | } else { |
| 1006 | xmlAttrPtr prev = node->properties; |
| 1007 | |
| 1008 | while (prev->next != NULL) prev = prev->next; |
| 1009 | prev->next = cur; |
| 1010 | cur->prev = prev; |
| 1011 | } |
| 1012 | } |
| 1013 | return(cur); |
| 1014 | } |
| 1015 | |
| 1016 | /** |
| 1017 | * xmlNewNsProp: |
| 1018 | * @node: the holding node |
| 1019 | * @ns: the namespace |
| 1020 | * @name: the name of the attribute |
| 1021 | * @value: the value of the attribute |
| 1022 | * |
| 1023 | * Create a new property tagged with a namespace and carried by a node. |
| 1024 | * Returns a pointer to the attribute |
| 1025 | */ |
| 1026 | xmlAttrPtr |
| 1027 | xmlNewNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name, |
| 1028 | const xmlChar *value) { |
| 1029 | xmlAttrPtr cur; |
| 1030 | |
| 1031 | if (name == NULL) { |
| 1032 | #ifdef DEBUG_TREE |
| 1033 | xmlGenericError(xmlGenericErrorContext, |
| 1034 | "xmlNewProp : name == NULL\n"); |
| 1035 | #endif |
| 1036 | return(NULL); |
| 1037 | } |
| 1038 | |
| 1039 | /* |
| 1040 | * Allocate a new property and fill the fields. |
| 1041 | */ |
| 1042 | cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr)); |
| 1043 | if (cur == NULL) { |
| 1044 | xmlGenericError(xmlGenericErrorContext, |
| 1045 | "xmlNewProp : malloc failed\n"); |
| 1046 | return(NULL); |
| 1047 | } |
| 1048 | memset(cur, 0, sizeof(xmlAttr)); |
| 1049 | cur->type = XML_ATTRIBUTE_NODE; |
| 1050 | |
| 1051 | cur->parent = node; |
| 1052 | if (node != NULL) |
| 1053 | cur->doc = node->doc; |
| 1054 | cur->ns = ns; |
| 1055 | cur->name = xmlStrdup(name); |
| 1056 | if (value != NULL) { |
| 1057 | xmlChar *buffer; |
| 1058 | xmlNodePtr tmp; |
| 1059 | |
| 1060 | buffer = xmlEncodeEntitiesReentrant(node->doc, value); |
| 1061 | cur->children = xmlStringGetNodeList(node->doc, buffer); |
| 1062 | cur->last = NULL; |
| 1063 | tmp = cur->children; |
| 1064 | while (tmp != NULL) { |
| 1065 | tmp->parent = (xmlNodePtr) cur; |
| 1066 | if (tmp->next == NULL) |
| 1067 | cur->last = tmp; |
| 1068 | tmp = tmp->next; |
| 1069 | } |
| 1070 | xmlFree(buffer); |
| 1071 | } |
| 1072 | |
| 1073 | /* |
| 1074 | * Add it at the end to preserve parsing order ... |
| 1075 | */ |
| 1076 | if (node != NULL) { |
| 1077 | if (node->properties == NULL) { |
| 1078 | node->properties = cur; |
| 1079 | } else { |
| 1080 | xmlAttrPtr prev = node->properties; |
| 1081 | |
| 1082 | while (prev->next != NULL) prev = prev->next; |
| 1083 | prev->next = cur; |
| 1084 | cur->prev = prev; |
| 1085 | } |
| 1086 | } |
| 1087 | return(cur); |
| 1088 | } |
| 1089 | |
| 1090 | /** |
| 1091 | * xmlNewDocProp: |
| 1092 | * @doc: the document |
| 1093 | * @name: the name of the attribute |
| 1094 | * @value: the value of the attribute |
| 1095 | * |
| 1096 | * Create a new property carried by a document. |
| 1097 | * Returns a pointer to the attribute |
| 1098 | */ |
| 1099 | xmlAttrPtr |
| 1100 | xmlNewDocProp(xmlDocPtr doc, const xmlChar *name, const xmlChar *value) { |
| 1101 | xmlAttrPtr cur; |
| 1102 | |
| 1103 | if (name == NULL) { |
| 1104 | #ifdef DEBUG_TREE |
| 1105 | xmlGenericError(xmlGenericErrorContext, |
| 1106 | "xmlNewProp : name == NULL\n"); |
| 1107 | #endif |
| 1108 | return(NULL); |
| 1109 | } |
| 1110 | |
| 1111 | /* |
| 1112 | * Allocate a new property and fill the fields. |
| 1113 | */ |
| 1114 | cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr)); |
| 1115 | if (cur == NULL) { |
| 1116 | xmlGenericError(xmlGenericErrorContext, |
| 1117 | "xmlNewProp : malloc failed\n"); |
| 1118 | return(NULL); |
| 1119 | } |
| 1120 | memset(cur, 0, sizeof(xmlAttr)); |
| 1121 | cur->type = XML_ATTRIBUTE_NODE; |
| 1122 | |
| 1123 | cur->name = xmlStrdup(name); |
| 1124 | cur->doc = doc; |
| 1125 | if (value != NULL) { |
| 1126 | xmlNodePtr tmp; |
| 1127 | |
| 1128 | cur->children = xmlStringGetNodeList(doc, value); |
| 1129 | cur->last = NULL; |
| 1130 | |
| 1131 | tmp = cur->children; |
| 1132 | while (tmp != NULL) { |
| 1133 | tmp->parent = (xmlNodePtr) cur; |
| 1134 | if (tmp->next == NULL) |
| 1135 | cur->last = tmp; |
| 1136 | tmp = tmp->next; |
| 1137 | } |
| 1138 | } |
| 1139 | return(cur); |
| 1140 | } |
| 1141 | |
| 1142 | /** |
| 1143 | * xmlFreePropList: |
| 1144 | * @cur: the first property in the list |
| 1145 | * |
| 1146 | * Free a property and all its siblings, all the children are freed too. |
| 1147 | */ |
| 1148 | void |
| 1149 | xmlFreePropList(xmlAttrPtr cur) { |
| 1150 | xmlAttrPtr next; |
| 1151 | if (cur == NULL) { |
| 1152 | #ifdef DEBUG_TREE |
| 1153 | xmlGenericError(xmlGenericErrorContext, |
| 1154 | "xmlFreePropList : property == NULL\n"); |
| 1155 | #endif |
| 1156 | return; |
| 1157 | } |
| 1158 | while (cur != NULL) { |
| 1159 | next = cur->next; |
| 1160 | xmlFreeProp(cur); |
| 1161 | cur = next; |
| 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | /** |
| 1166 | * xmlFreeProp: |
| 1167 | * @cur: an attribute |
| 1168 | * |
| 1169 | * Free one attribute, all the content is freed too |
| 1170 | */ |
| 1171 | void |
| 1172 | xmlFreeProp(xmlAttrPtr cur) { |
| 1173 | if (cur == NULL) { |
| 1174 | #ifdef DEBUG_TREE |
| 1175 | xmlGenericError(xmlGenericErrorContext, |
| 1176 | "xmlFreeProp : property == NULL\n"); |
| 1177 | #endif |
| 1178 | return; |
| 1179 | } |
| 1180 | /* Check for ID removal -> leading to invalid references ! */ |
| 1181 | if ((cur->parent != NULL) && |
| 1182 | (xmlIsID(cur->parent->doc, cur->parent, cur))) |
| 1183 | xmlRemoveID(cur->parent->doc, cur); |
| 1184 | if (cur->name != NULL) xmlFree((char *) cur->name); |
| 1185 | if (cur->children != NULL) xmlFreeNodeList(cur->children); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1186 | xmlFree(cur); |
| 1187 | } |
| 1188 | |
| 1189 | /** |
| 1190 | * xmlRemoveProp: |
| 1191 | * @cur: an attribute |
| 1192 | * |
| 1193 | * Unlink and free one attribute, all the content is freed too |
| 1194 | * Note this doesn't work for namespace definition attributes |
| 1195 | * |
| 1196 | * Returns 0 if success and -1 in case of error. |
| 1197 | */ |
| 1198 | int |
| 1199 | xmlRemoveProp(xmlAttrPtr cur) { |
| 1200 | xmlAttrPtr tmp; |
| 1201 | if (cur == NULL) { |
| 1202 | #ifdef DEBUG_TREE |
| 1203 | xmlGenericError(xmlGenericErrorContext, |
| 1204 | "xmlRemoveProp : cur == NULL\n"); |
| 1205 | #endif |
| 1206 | return(-1); |
| 1207 | } |
| 1208 | if (cur->parent == NULL) { |
| 1209 | #ifdef DEBUG_TREE |
| 1210 | xmlGenericError(xmlGenericErrorContext, |
| 1211 | "xmlRemoveProp : cur->parent == NULL\n"); |
| 1212 | #endif |
| 1213 | return(-1); |
| 1214 | } |
| 1215 | tmp = cur->parent->properties; |
| 1216 | if (tmp == cur) { |
| 1217 | cur->parent->properties = cur->next; |
| 1218 | xmlFreeProp(cur); |
| 1219 | return(0); |
| 1220 | } |
| 1221 | while (tmp != NULL) { |
| 1222 | if (tmp->next == cur) { |
| 1223 | tmp->next = cur->next; |
| 1224 | if (tmp->next != NULL) |
| 1225 | tmp->next->prev = tmp; |
| 1226 | xmlFreeProp(cur); |
| 1227 | return(0); |
| 1228 | } |
| 1229 | tmp = tmp->next; |
| 1230 | } |
| 1231 | #ifdef DEBUG_TREE |
| 1232 | xmlGenericError(xmlGenericErrorContext, |
| 1233 | "xmlRemoveProp : attribute not owned by its node\n"); |
| 1234 | #endif |
| 1235 | return(-1); |
| 1236 | } |
| 1237 | |
| 1238 | /** |
| 1239 | * xmlNewPI: |
| 1240 | * @name: the processing instruction name |
| 1241 | * @content: the PI content |
| 1242 | * |
| 1243 | * Creation of a processing instruction element. |
| 1244 | * Returns a pointer to the new node object. |
| 1245 | */ |
| 1246 | xmlNodePtr |
| 1247 | xmlNewPI(const xmlChar *name, const xmlChar *content) { |
| 1248 | xmlNodePtr cur; |
| 1249 | |
| 1250 | if (name == NULL) { |
| 1251 | #ifdef DEBUG_TREE |
| 1252 | xmlGenericError(xmlGenericErrorContext, |
| 1253 | "xmlNewPI : name == NULL\n"); |
| 1254 | #endif |
| 1255 | return(NULL); |
| 1256 | } |
| 1257 | |
| 1258 | /* |
| 1259 | * Allocate a new node and fill the fields. |
| 1260 | */ |
| 1261 | cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 1262 | if (cur == NULL) { |
| 1263 | xmlGenericError(xmlGenericErrorContext, |
| 1264 | "xmlNewPI : malloc failed\n"); |
| 1265 | return(NULL); |
| 1266 | } |
| 1267 | memset(cur, 0, sizeof(xmlNode)); |
| 1268 | cur->type = XML_PI_NODE; |
| 1269 | |
| 1270 | cur->name = xmlStrdup(name); |
| 1271 | if (content != NULL) { |
| 1272 | #ifndef XML_USE_BUFFER_CONTENT |
| 1273 | cur->content = xmlStrdup(content); |
| 1274 | #else |
| 1275 | cur->content = xmlBufferCreateSize(0); |
| 1276 | xmlBufferSetAllocationScheme(cur->content, |
| 1277 | xmlGetBufferAllocationScheme()); |
| 1278 | xmlBufferAdd(cur->content, content, -1); |
| 1279 | #endif |
| 1280 | } |
| 1281 | return(cur); |
| 1282 | } |
| 1283 | |
| 1284 | /** |
| 1285 | * xmlNewNode: |
| 1286 | * @ns: namespace if any |
| 1287 | * @name: the node name |
| 1288 | * |
| 1289 | * Creation of a new node element. @ns is optionnal (NULL). |
| 1290 | * |
| 1291 | * Returns a pointer to the new node object. |
| 1292 | */ |
| 1293 | xmlNodePtr |
| 1294 | xmlNewNode(xmlNsPtr ns, const xmlChar *name) { |
| 1295 | xmlNodePtr cur; |
| 1296 | |
| 1297 | if (name == NULL) { |
| 1298 | #ifdef DEBUG_TREE |
| 1299 | xmlGenericError(xmlGenericErrorContext, |
| 1300 | "xmlNewNode : name == NULL\n"); |
| 1301 | #endif |
| 1302 | return(NULL); |
| 1303 | } |
| 1304 | |
| 1305 | /* |
| 1306 | * Allocate a new node and fill the fields. |
| 1307 | */ |
| 1308 | cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 1309 | if (cur == NULL) { |
| 1310 | xmlGenericError(xmlGenericErrorContext, |
| 1311 | "xmlNewNode : malloc failed\n"); |
| 1312 | return(NULL); |
| 1313 | } |
| 1314 | memset(cur, 0, sizeof(xmlNode)); |
| 1315 | cur->type = XML_ELEMENT_NODE; |
| 1316 | |
| 1317 | cur->name = xmlStrdup(name); |
| 1318 | cur->ns = ns; |
| 1319 | return(cur); |
| 1320 | } |
| 1321 | |
| 1322 | /** |
| 1323 | * xmlNewDocNode: |
| 1324 | * @doc: the document |
| 1325 | * @ns: namespace if any |
| 1326 | * @name: the node name |
| 1327 | * @content: the XML text content if any |
| 1328 | * |
| 1329 | * Creation of a new node element within a document. @ns and @content |
| 1330 | * are optionnal (NULL). |
| 1331 | * NOTE: @content is supposed to be a piece of XML CDATA, so it allow entities |
| 1332 | * references, but XML special chars need to be escaped first by using |
| 1333 | * xmlEncodeEntitiesReentrant(). Use xmlNewDocRawNode() if you don't |
| 1334 | * need entities support. |
| 1335 | * |
| 1336 | * Returns a pointer to the new node object. |
| 1337 | */ |
| 1338 | xmlNodePtr |
| 1339 | xmlNewDocNode(xmlDocPtr doc, xmlNsPtr ns, |
| 1340 | const xmlChar *name, const xmlChar *content) { |
| 1341 | xmlNodePtr cur; |
| 1342 | |
| 1343 | cur = xmlNewNode(ns, name); |
| 1344 | if (cur != NULL) { |
| 1345 | cur->doc = doc; |
| 1346 | if (content != NULL) { |
| 1347 | cur->children = xmlStringGetNodeList(doc, content); |
| 1348 | UPDATE_LAST_CHILD_AND_PARENT(cur) |
| 1349 | } |
| 1350 | } |
| 1351 | return(cur); |
| 1352 | } |
| 1353 | |
| 1354 | |
| 1355 | /** |
| 1356 | * xmlNewDocRawNode: |
| 1357 | * @doc: the document |
| 1358 | * @ns: namespace if any |
| 1359 | * @name: the node name |
| 1360 | * @content: the text content if any |
| 1361 | * |
| 1362 | * Creation of a new node element within a document. @ns and @content |
| 1363 | * are optionnal (NULL). |
| 1364 | * |
| 1365 | * Returns a pointer to the new node object. |
| 1366 | */ |
| 1367 | xmlNodePtr |
| 1368 | xmlNewDocRawNode(xmlDocPtr doc, xmlNsPtr ns, |
| 1369 | const xmlChar *name, const xmlChar *content) { |
| 1370 | xmlNodePtr cur; |
| 1371 | |
| 1372 | cur = xmlNewNode(ns, name); |
| 1373 | if (cur != NULL) { |
| 1374 | cur->doc = doc; |
| 1375 | if (content != NULL) { |
| 1376 | cur->children = xmlNewDocText(doc, content); |
| 1377 | UPDATE_LAST_CHILD_AND_PARENT(cur) |
| 1378 | } |
| 1379 | } |
| 1380 | return(cur); |
| 1381 | } |
| 1382 | |
| 1383 | /** |
| 1384 | * xmlNewDocFragment: |
| 1385 | * @doc: the document owning the fragment |
| 1386 | * |
| 1387 | * Creation of a new Fragment node. |
| 1388 | * Returns a pointer to the new node object. |
| 1389 | */ |
| 1390 | xmlNodePtr |
| 1391 | xmlNewDocFragment(xmlDocPtr doc) { |
| 1392 | xmlNodePtr cur; |
| 1393 | |
| 1394 | /* |
| 1395 | * Allocate a new DocumentFragment node and fill the fields. |
| 1396 | */ |
| 1397 | cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 1398 | if (cur == NULL) { |
| 1399 | xmlGenericError(xmlGenericErrorContext, |
| 1400 | "xmlNewDocFragment : malloc failed\n"); |
| 1401 | return(NULL); |
| 1402 | } |
| 1403 | memset(cur, 0, sizeof(xmlNode)); |
| 1404 | cur->type = XML_DOCUMENT_FRAG_NODE; |
| 1405 | |
| 1406 | cur->doc = doc; |
| 1407 | return(cur); |
| 1408 | } |
| 1409 | |
| 1410 | /** |
| 1411 | * xmlNewText: |
| 1412 | * @content: the text content |
| 1413 | * |
| 1414 | * Creation of a new text node. |
| 1415 | * Returns a pointer to the new node object. |
| 1416 | */ |
| 1417 | xmlNodePtr |
| 1418 | xmlNewText(const xmlChar *content) { |
| 1419 | xmlNodePtr cur; |
| 1420 | |
| 1421 | /* |
| 1422 | * Allocate a new node and fill the fields. |
| 1423 | */ |
| 1424 | cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 1425 | if (cur == NULL) { |
| 1426 | xmlGenericError(xmlGenericErrorContext, |
| 1427 | "xmlNewText : malloc failed\n"); |
| 1428 | return(NULL); |
| 1429 | } |
| 1430 | memset(cur, 0, sizeof(xmlNode)); |
| 1431 | cur->type = XML_TEXT_NODE; |
| 1432 | |
| 1433 | cur->name = xmlStringText; |
| 1434 | if (content != NULL) { |
| 1435 | #ifndef XML_USE_BUFFER_CONTENT |
| 1436 | cur->content = xmlStrdup(content); |
| 1437 | #else |
| 1438 | cur->content = xmlBufferCreateSize(0); |
| 1439 | xmlBufferSetAllocationScheme(cur->content, |
| 1440 | xmlGetBufferAllocationScheme()); |
| 1441 | xmlBufferAdd(cur->content, content, -1); |
| 1442 | #endif |
| 1443 | } |
| 1444 | return(cur); |
| 1445 | } |
| 1446 | |
| 1447 | /** |
| 1448 | * xmlNewTextChild: |
| 1449 | * @parent: the parent node |
| 1450 | * @ns: a namespace if any |
| 1451 | * @name: the name of the child |
| 1452 | * @content: the text content of the child if any. |
| 1453 | * |
| 1454 | * Creation of a new child element, added at the end of @parent children list. |
| 1455 | * @ns and @content parameters are optionnal (NULL). If content is non NULL, |
| 1456 | * a child TEXT node will be created containing the string content. |
| 1457 | * |
| 1458 | * Returns a pointer to the new node object. |
| 1459 | */ |
| 1460 | xmlNodePtr |
| 1461 | xmlNewTextChild(xmlNodePtr parent, xmlNsPtr ns, |
| 1462 | const xmlChar *name, const xmlChar *content) { |
| 1463 | xmlNodePtr cur, prev; |
| 1464 | |
| 1465 | if (parent == NULL) { |
| 1466 | #ifdef DEBUG_TREE |
| 1467 | xmlGenericError(xmlGenericErrorContext, |
| 1468 | "xmlNewTextChild : parent == NULL\n"); |
| 1469 | #endif |
| 1470 | return(NULL); |
| 1471 | } |
| 1472 | |
| 1473 | if (name == NULL) { |
| 1474 | #ifdef DEBUG_TREE |
| 1475 | xmlGenericError(xmlGenericErrorContext, |
| 1476 | "xmlNewTextChild : name == NULL\n"); |
| 1477 | #endif |
| 1478 | return(NULL); |
| 1479 | } |
| 1480 | |
| 1481 | /* |
| 1482 | * Allocate a new node |
| 1483 | */ |
| 1484 | if (ns == NULL) |
| 1485 | cur = xmlNewDocRawNode(parent->doc, parent->ns, name, content); |
| 1486 | else |
| 1487 | cur = xmlNewDocRawNode(parent->doc, ns, name, content); |
| 1488 | if (cur == NULL) return(NULL); |
| 1489 | |
| 1490 | /* |
| 1491 | * add the new element at the end of the children list. |
| 1492 | */ |
| 1493 | cur->type = XML_ELEMENT_NODE; |
| 1494 | cur->parent = parent; |
| 1495 | cur->doc = parent->doc; |
| 1496 | if (parent->children == NULL) { |
| 1497 | parent->children = cur; |
| 1498 | parent->last = cur; |
| 1499 | } else { |
| 1500 | prev = parent->last; |
| 1501 | prev->next = cur; |
| 1502 | cur->prev = prev; |
| 1503 | parent->last = cur; |
| 1504 | } |
| 1505 | |
| 1506 | return(cur); |
| 1507 | } |
| 1508 | |
| 1509 | /** |
| 1510 | * xmlNewCharRef: |
| 1511 | * @doc: the document |
| 1512 | * @name: the char ref string, starting with # or "&# ... ;" |
| 1513 | * |
| 1514 | * Creation of a new character reference node. |
| 1515 | * Returns a pointer to the new node object. |
| 1516 | */ |
| 1517 | xmlNodePtr |
| 1518 | xmlNewCharRef(xmlDocPtr doc, const xmlChar *name) { |
| 1519 | xmlNodePtr cur; |
| 1520 | |
| 1521 | /* |
| 1522 | * Allocate a new node and fill the fields. |
| 1523 | */ |
| 1524 | cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 1525 | if (cur == NULL) { |
| 1526 | xmlGenericError(xmlGenericErrorContext, |
| 1527 | "xmlNewText : malloc failed\n"); |
| 1528 | return(NULL); |
| 1529 | } |
| 1530 | memset(cur, 0, sizeof(xmlNode)); |
| 1531 | cur->type = XML_ENTITY_REF_NODE; |
| 1532 | |
| 1533 | cur->doc = doc; |
| 1534 | if (name[0] == '&') { |
| 1535 | int len; |
| 1536 | name++; |
| 1537 | len = xmlStrlen(name); |
| 1538 | if (name[len - 1] == ';') |
| 1539 | cur->name = xmlStrndup(name, len - 1); |
| 1540 | else |
| 1541 | cur->name = xmlStrndup(name, len); |
| 1542 | } else |
| 1543 | cur->name = xmlStrdup(name); |
| 1544 | return(cur); |
| 1545 | } |
| 1546 | |
| 1547 | /** |
| 1548 | * xmlNewReference: |
| 1549 | * @doc: the document |
| 1550 | * @name: the reference name, or the reference string with & and ; |
| 1551 | * |
| 1552 | * Creation of a new reference node. |
| 1553 | * Returns a pointer to the new node object. |
| 1554 | */ |
| 1555 | xmlNodePtr |
| 1556 | xmlNewReference(xmlDocPtr doc, const xmlChar *name) { |
| 1557 | xmlNodePtr cur; |
| 1558 | xmlEntityPtr ent; |
| 1559 | |
| 1560 | /* |
| 1561 | * Allocate a new node and fill the fields. |
| 1562 | */ |
| 1563 | cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 1564 | if (cur == NULL) { |
| 1565 | xmlGenericError(xmlGenericErrorContext, |
| 1566 | "xmlNewText : malloc failed\n"); |
| 1567 | return(NULL); |
| 1568 | } |
| 1569 | memset(cur, 0, sizeof(xmlNode)); |
| 1570 | cur->type = XML_ENTITY_REF_NODE; |
| 1571 | |
| 1572 | cur->doc = doc; |
| 1573 | if (name[0] == '&') { |
| 1574 | int len; |
| 1575 | name++; |
| 1576 | len = xmlStrlen(name); |
| 1577 | if (name[len - 1] == ';') |
| 1578 | cur->name = xmlStrndup(name, len - 1); |
| 1579 | else |
| 1580 | cur->name = xmlStrndup(name, len); |
| 1581 | } else |
| 1582 | cur->name = xmlStrdup(name); |
| 1583 | |
| 1584 | ent = xmlGetDocEntity(doc, cur->name); |
| 1585 | if (ent != NULL) { |
| 1586 | #ifndef XML_USE_BUFFER_CONTENT |
| 1587 | cur->content = ent->content; |
| 1588 | #else |
| 1589 | /* |
| 1590 | * CJN 11.18.99 this might be a problem, since the xmlBuffer gets |
| 1591 | * a copy of this pointer. Let's hope we don't manipulate it |
| 1592 | * later |
| 1593 | */ |
| 1594 | cur->content = xmlBufferCreateSize(0); |
| 1595 | xmlBufferSetAllocationScheme(cur->content, |
| 1596 | xmlGetBufferAllocationScheme()); |
| 1597 | if (ent->content != NULL) |
| 1598 | xmlBufferAdd(cur->content, ent->content, -1); |
| 1599 | #endif |
| 1600 | /* |
| 1601 | * The parent pointer in entity is a Dtd pointer and thus is NOT |
| 1602 | * updated. Not sure if this is 100% correct. |
| 1603 | * -George |
| 1604 | */ |
| 1605 | cur->children = (xmlNodePtr) ent; |
| 1606 | cur->last = (xmlNodePtr) ent; |
| 1607 | } |
| 1608 | return(cur); |
| 1609 | } |
| 1610 | |
| 1611 | /** |
| 1612 | * xmlNewDocText: |
| 1613 | * @doc: the document |
| 1614 | * @content: the text content |
| 1615 | * |
| 1616 | * Creation of a new text node within a document. |
| 1617 | * Returns a pointer to the new node object. |
| 1618 | */ |
| 1619 | xmlNodePtr |
| 1620 | xmlNewDocText(xmlDocPtr doc, const xmlChar *content) { |
| 1621 | xmlNodePtr cur; |
| 1622 | |
| 1623 | cur = xmlNewText(content); |
| 1624 | if (cur != NULL) cur->doc = doc; |
| 1625 | return(cur); |
| 1626 | } |
| 1627 | |
| 1628 | /** |
| 1629 | * xmlNewTextLen: |
| 1630 | * @content: the text content |
| 1631 | * @len: the text len. |
| 1632 | * |
| 1633 | * Creation of a new text node with an extra parameter for the content's lenght |
| 1634 | * Returns a pointer to the new node object. |
| 1635 | */ |
| 1636 | xmlNodePtr |
| 1637 | xmlNewTextLen(const xmlChar *content, int len) { |
| 1638 | xmlNodePtr cur; |
| 1639 | |
| 1640 | /* |
| 1641 | * Allocate a new node and fill the fields. |
| 1642 | */ |
| 1643 | cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 1644 | if (cur == NULL) { |
| 1645 | xmlGenericError(xmlGenericErrorContext, |
| 1646 | "xmlNewText : malloc failed\n"); |
| 1647 | return(NULL); |
| 1648 | } |
| 1649 | memset(cur, 0, sizeof(xmlNode)); |
| 1650 | cur->type = XML_TEXT_NODE; |
| 1651 | |
| 1652 | cur->name = xmlStringText; |
| 1653 | if (content != NULL) { |
| 1654 | #ifndef XML_USE_BUFFER_CONTENT |
| 1655 | cur->content = xmlStrndup(content, len); |
| 1656 | #else |
| 1657 | cur->content = xmlBufferCreateSize(len); |
| 1658 | xmlBufferSetAllocationScheme(cur->content, |
| 1659 | xmlGetBufferAllocationScheme()); |
| 1660 | xmlBufferAdd(cur->content, content, len); |
| 1661 | #endif |
| 1662 | } |
| 1663 | return(cur); |
| 1664 | } |
| 1665 | |
| 1666 | /** |
| 1667 | * xmlNewDocTextLen: |
| 1668 | * @doc: the document |
| 1669 | * @content: the text content |
| 1670 | * @len: the text len. |
| 1671 | * |
| 1672 | * Creation of a new text node with an extra content lenght parameter. The |
| 1673 | * text node pertain to a given document. |
| 1674 | * Returns a pointer to the new node object. |
| 1675 | */ |
| 1676 | xmlNodePtr |
| 1677 | xmlNewDocTextLen(xmlDocPtr doc, const xmlChar *content, int len) { |
| 1678 | xmlNodePtr cur; |
| 1679 | |
| 1680 | cur = xmlNewTextLen(content, len); |
| 1681 | if (cur != NULL) cur->doc = doc; |
| 1682 | return(cur); |
| 1683 | } |
| 1684 | |
| 1685 | /** |
| 1686 | * xmlNewComment: |
| 1687 | * @content: the comment content |
| 1688 | * |
| 1689 | * Creation of a new node containing a comment. |
| 1690 | * Returns a pointer to the new node object. |
| 1691 | */ |
| 1692 | xmlNodePtr |
| 1693 | xmlNewComment(const xmlChar *content) { |
| 1694 | xmlNodePtr cur; |
| 1695 | |
| 1696 | /* |
| 1697 | * Allocate a new node and fill the fields. |
| 1698 | */ |
| 1699 | cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 1700 | if (cur == NULL) { |
| 1701 | xmlGenericError(xmlGenericErrorContext, |
| 1702 | "xmlNewComment : malloc failed\n"); |
| 1703 | return(NULL); |
| 1704 | } |
| 1705 | memset(cur, 0, sizeof(xmlNode)); |
| 1706 | cur->type = XML_COMMENT_NODE; |
| 1707 | |
| 1708 | cur->name = xmlStringComment; |
| 1709 | if (content != NULL) { |
| 1710 | #ifndef XML_USE_BUFFER_CONTENT |
| 1711 | cur->content = xmlStrdup(content); |
| 1712 | #else |
| 1713 | cur->content = xmlBufferCreateSize(0); |
| 1714 | xmlBufferSetAllocationScheme(cur->content, |
| 1715 | xmlGetBufferAllocationScheme()); |
| 1716 | xmlBufferAdd(cur->content, content, -1); |
| 1717 | #endif |
| 1718 | } |
| 1719 | return(cur); |
| 1720 | } |
| 1721 | |
| 1722 | /** |
| 1723 | * xmlNewCDataBlock: |
| 1724 | * @doc: the document |
| 1725 | * @content: the CData block content content |
| 1726 | * @len: the length of the block |
| 1727 | * |
| 1728 | * Creation of a new node containing a CData block. |
| 1729 | * Returns a pointer to the new node object. |
| 1730 | */ |
| 1731 | xmlNodePtr |
| 1732 | xmlNewCDataBlock(xmlDocPtr doc, const xmlChar *content, int len) { |
| 1733 | xmlNodePtr cur; |
| 1734 | |
| 1735 | /* |
| 1736 | * Allocate a new node and fill the fields. |
| 1737 | */ |
| 1738 | cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 1739 | if (cur == NULL) { |
| 1740 | xmlGenericError(xmlGenericErrorContext, |
| 1741 | "xmlNewCDataBlock : malloc failed\n"); |
| 1742 | return(NULL); |
| 1743 | } |
| 1744 | memset(cur, 0, sizeof(xmlNode)); |
| 1745 | cur->type = XML_CDATA_SECTION_NODE; |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1746 | cur->doc = doc; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1747 | |
| 1748 | if (content != NULL) { |
| 1749 | #ifndef XML_USE_BUFFER_CONTENT |
| 1750 | cur->content = xmlStrndup(content, len); |
| 1751 | #else |
| 1752 | cur->content = xmlBufferCreateSize(len); |
| 1753 | xmlBufferSetAllocationScheme(cur->content, |
| 1754 | xmlGetBufferAllocationScheme()); |
| 1755 | xmlBufferAdd(cur->content, content, len); |
| 1756 | #endif |
| 1757 | } |
| 1758 | return(cur); |
| 1759 | } |
| 1760 | |
| 1761 | /** |
| 1762 | * xmlNewDocComment: |
| 1763 | * @doc: the document |
| 1764 | * @content: the comment content |
| 1765 | * |
| 1766 | * Creation of a new node containing a commentwithin a document. |
| 1767 | * Returns a pointer to the new node object. |
| 1768 | */ |
| 1769 | xmlNodePtr |
| 1770 | xmlNewDocComment(xmlDocPtr doc, const xmlChar *content) { |
| 1771 | xmlNodePtr cur; |
| 1772 | |
| 1773 | cur = xmlNewComment(content); |
| 1774 | if (cur != NULL) cur->doc = doc; |
| 1775 | return(cur); |
| 1776 | } |
| 1777 | |
| 1778 | /** |
| 1779 | * xmlSetTreeDoc: |
| 1780 | * @tree: the top element |
| 1781 | * @doc: the document |
| 1782 | * |
| 1783 | * update all nodes under the tree to point to the right document |
| 1784 | */ |
| 1785 | void |
| 1786 | xmlSetTreeDoc(xmlNodePtr tree, xmlDocPtr doc) { |
| 1787 | if (tree == NULL) |
| 1788 | return; |
| 1789 | if (tree->type == XML_ENTITY_DECL) |
| 1790 | return; |
| 1791 | if (tree->doc != doc) { |
| 1792 | if (tree->children != NULL) |
| 1793 | xmlSetListDoc(tree->children, doc); |
| 1794 | tree->doc = doc; |
| 1795 | } |
| 1796 | } |
| 1797 | |
| 1798 | /** |
| 1799 | * xmlSetListDoc: |
| 1800 | * @tree: the first element |
| 1801 | * @doc: the document |
| 1802 | * |
| 1803 | * update all nodes in the list to point to the right document |
| 1804 | */ |
| 1805 | void |
| 1806 | xmlSetListDoc(xmlNodePtr list, xmlDocPtr doc) { |
| 1807 | xmlNodePtr cur; |
| 1808 | |
| 1809 | if (list == NULL) |
| 1810 | return; |
| 1811 | cur = list; |
| 1812 | while (cur != NULL) { |
| 1813 | if (cur->doc != doc) |
| 1814 | xmlSetTreeDoc(cur, doc); |
| 1815 | cur = cur->next; |
| 1816 | } |
| 1817 | } |
| 1818 | |
| 1819 | |
| 1820 | /** |
| 1821 | * xmlNewChild: |
| 1822 | * @parent: the parent node |
| 1823 | * @ns: a namespace if any |
| 1824 | * @name: the name of the child |
| 1825 | * @content: the XML content of the child if any. |
| 1826 | * |
| 1827 | * Creation of a new child element, added at the end of @parent children list. |
| 1828 | * @ns and @content parameters are optionnal (NULL). If content is non NULL, |
| 1829 | * a child list containing the TEXTs and ENTITY_REFs node will be created. |
| 1830 | * NOTE: @content is supposed to be a piece of XML CDATA, so it allow entities |
| 1831 | * references, but XML special chars need to be escaped first by using |
| 1832 | * xmlEncodeEntitiesReentrant(). Use xmlNewTextChild() if entities |
| 1833 | * support is not needed. |
| 1834 | * |
| 1835 | * Returns a pointer to the new node object. |
| 1836 | */ |
| 1837 | xmlNodePtr |
| 1838 | xmlNewChild(xmlNodePtr parent, xmlNsPtr ns, |
| 1839 | const xmlChar *name, const xmlChar *content) { |
| 1840 | xmlNodePtr cur, prev; |
| 1841 | |
| 1842 | if (parent == NULL) { |
| 1843 | #ifdef DEBUG_TREE |
| 1844 | xmlGenericError(xmlGenericErrorContext, |
| 1845 | "xmlNewChild : parent == NULL\n"); |
| 1846 | #endif |
| 1847 | return(NULL); |
| 1848 | } |
| 1849 | |
| 1850 | if (name == NULL) { |
| 1851 | #ifdef DEBUG_TREE |
| 1852 | xmlGenericError(xmlGenericErrorContext, |
| 1853 | "xmlNewChild : name == NULL\n"); |
| 1854 | #endif |
| 1855 | return(NULL); |
| 1856 | } |
| 1857 | |
| 1858 | /* |
| 1859 | * Allocate a new node |
| 1860 | */ |
| 1861 | if (ns == NULL) |
| 1862 | cur = xmlNewDocNode(parent->doc, parent->ns, name, content); |
| 1863 | else |
| 1864 | cur = xmlNewDocNode(parent->doc, ns, name, content); |
| 1865 | if (cur == NULL) return(NULL); |
| 1866 | |
| 1867 | /* |
| 1868 | * add the new element at the end of the children list. |
| 1869 | */ |
| 1870 | cur->type = XML_ELEMENT_NODE; |
| 1871 | cur->parent = parent; |
| 1872 | cur->doc = parent->doc; |
| 1873 | if (parent->children == NULL) { |
| 1874 | parent->children = cur; |
| 1875 | parent->last = cur; |
| 1876 | } else { |
| 1877 | prev = parent->last; |
| 1878 | prev->next = cur; |
| 1879 | cur->prev = prev; |
| 1880 | parent->last = cur; |
| 1881 | } |
| 1882 | |
| 1883 | return(cur); |
| 1884 | } |
| 1885 | |
| 1886 | /** |
| 1887 | * xmlAddNextSibling: |
| 1888 | * @cur: the child node |
| 1889 | * @elem: the new node |
| 1890 | * |
| 1891 | * Add a new element @elem as the next siblings of @cur |
| 1892 | * If the new element was already inserted in a document it is |
| 1893 | * first unlinked from its existing context. |
| 1894 | * As a result of text merging @elem may be freed. |
| 1895 | * |
| 1896 | * Returns the new element or NULL in case of error. |
| 1897 | */ |
| 1898 | xmlNodePtr |
| 1899 | xmlAddNextSibling(xmlNodePtr cur, xmlNodePtr elem) { |
| 1900 | if (cur == NULL) { |
| 1901 | #ifdef DEBUG_TREE |
| 1902 | xmlGenericError(xmlGenericErrorContext, |
| 1903 | "xmlAddNextSibling : cur == NULL\n"); |
| 1904 | #endif |
| 1905 | return(NULL); |
| 1906 | } |
| 1907 | if (elem == NULL) { |
| 1908 | #ifdef DEBUG_TREE |
| 1909 | xmlGenericError(xmlGenericErrorContext, |
| 1910 | "xmlAddNextSibling : elem == NULL\n"); |
| 1911 | #endif |
| 1912 | return(NULL); |
| 1913 | } |
| 1914 | |
| 1915 | xmlUnlinkNode(elem); |
| 1916 | |
| 1917 | if (elem->type == XML_TEXT_NODE) { |
| 1918 | if (cur->type == XML_TEXT_NODE) { |
| 1919 | #ifndef XML_USE_BUFFER_CONTENT |
| 1920 | xmlNodeAddContent(cur, elem->content); |
| 1921 | #else |
| 1922 | xmlNodeAddContent(cur, xmlBufferContent(elem->content)); |
| 1923 | #endif |
| 1924 | xmlFreeNode(elem); |
| 1925 | return(cur); |
| 1926 | } |
| 1927 | if ((cur->next != NULL) && (cur->type == XML_TEXT_NODE)) { |
| 1928 | #ifndef XML_USE_BUFFER_CONTENT |
| 1929 | xmlChar *tmp; |
| 1930 | |
| 1931 | tmp = xmlStrdup(elem->content); |
| 1932 | tmp = xmlStrcat(tmp, cur->next->content); |
| 1933 | xmlNodeSetContent(cur->next, tmp); |
| 1934 | xmlFree(tmp); |
| 1935 | #else |
| 1936 | xmlBufferAddHead(cur->next->content, |
| 1937 | xmlBufferContent(elem->content), |
| 1938 | xmlBufferLength(elem->content)); |
| 1939 | #endif |
| 1940 | xmlFreeNode(elem); |
| 1941 | return(cur->next); |
| 1942 | } |
| 1943 | } |
| 1944 | |
| 1945 | if (elem->doc != cur->doc) { |
| 1946 | xmlSetTreeDoc(elem, cur->doc); |
| 1947 | } |
| 1948 | elem->parent = cur->parent; |
| 1949 | elem->prev = cur; |
| 1950 | elem->next = cur->next; |
| 1951 | cur->next = elem; |
| 1952 | if (elem->next != NULL) |
| 1953 | elem->next->prev = elem; |
| 1954 | if ((elem->parent != NULL) && (elem->parent->last == cur)) |
| 1955 | elem->parent->last = elem; |
| 1956 | return(elem); |
| 1957 | } |
| 1958 | |
| 1959 | /** |
| 1960 | * xmlAddPrevSibling: |
| 1961 | * @cur: the child node |
| 1962 | * @elem: the new node |
| 1963 | * |
| 1964 | * Add a new element @elem as the previous siblings of @cur |
| 1965 | * merging adjacent TEXT nodes (@elem may be freed) |
| 1966 | * If the new element was already inserted in a document it is |
| 1967 | * first unlinked from its existing context. |
| 1968 | * |
| 1969 | * Returns the new element or NULL in case of error. |
| 1970 | */ |
| 1971 | xmlNodePtr |
| 1972 | xmlAddPrevSibling(xmlNodePtr cur, xmlNodePtr elem) { |
| 1973 | if (cur == NULL) { |
| 1974 | #ifdef DEBUG_TREE |
| 1975 | xmlGenericError(xmlGenericErrorContext, |
| 1976 | "xmlAddPrevSibling : cur == NULL\n"); |
| 1977 | #endif |
| 1978 | return(NULL); |
| 1979 | } |
| 1980 | if (elem == NULL) { |
| 1981 | #ifdef DEBUG_TREE |
| 1982 | xmlGenericError(xmlGenericErrorContext, |
| 1983 | "xmlAddPrevSibling : elem == NULL\n"); |
| 1984 | #endif |
| 1985 | return(NULL); |
| 1986 | } |
| 1987 | |
| 1988 | xmlUnlinkNode(elem); |
| 1989 | |
| 1990 | if (elem->type == XML_TEXT_NODE) { |
| 1991 | if (cur->type == XML_TEXT_NODE) { |
| 1992 | #ifndef XML_USE_BUFFER_CONTENT |
| 1993 | xmlChar *tmp; |
| 1994 | |
| 1995 | tmp = xmlStrdup(elem->content); |
| 1996 | tmp = xmlStrcat(tmp, cur->content); |
| 1997 | xmlNodeSetContent(cur, tmp); |
| 1998 | xmlFree(tmp); |
| 1999 | #else |
| 2000 | xmlBufferAddHead(cur->content, xmlBufferContent(elem->content), |
| 2001 | xmlBufferLength(elem->content)); |
| 2002 | #endif |
| 2003 | xmlFreeNode(elem); |
| 2004 | return(cur); |
| 2005 | } |
| 2006 | if ((cur->prev != NULL) && (cur->prev->type == XML_TEXT_NODE)) { |
| 2007 | #ifndef XML_USE_BUFFER_CONTENT |
| 2008 | xmlNodeAddContent(cur->prev, elem->content); |
| 2009 | #else |
| 2010 | xmlNodeAddContent(cur->prev, xmlBufferContent(elem->content)); |
| 2011 | #endif |
| 2012 | xmlFreeNode(elem); |
| 2013 | return(cur->prev); |
| 2014 | } |
| 2015 | } |
| 2016 | |
| 2017 | if (elem->doc != cur->doc) { |
| 2018 | xmlSetTreeDoc(elem, cur->doc); |
| 2019 | } |
| 2020 | elem->parent = cur->parent; |
| 2021 | elem->next = cur; |
| 2022 | elem->prev = cur->prev; |
| 2023 | cur->prev = elem; |
| 2024 | if (elem->prev != NULL) |
| 2025 | elem->prev->next = elem; |
| 2026 | if ((elem->parent != NULL) && (elem->parent->children == cur)) |
| 2027 | elem->parent->children = elem; |
| 2028 | return(elem); |
| 2029 | } |
| 2030 | |
| 2031 | /** |
| 2032 | * xmlAddSibling: |
| 2033 | * @cur: the child node |
| 2034 | * @elem: the new node |
| 2035 | * |
| 2036 | * Add a new element @elem to the list of siblings of @cur |
| 2037 | * merging adjacent TEXT nodes (@elem may be freed) |
| 2038 | * If the new element was already inserted in a document it is |
| 2039 | * first unlinked from its existing context. |
| 2040 | * |
| 2041 | * Returns the new element or NULL in case of error. |
| 2042 | */ |
| 2043 | xmlNodePtr |
| 2044 | xmlAddSibling(xmlNodePtr cur, xmlNodePtr elem) { |
| 2045 | xmlNodePtr parent; |
| 2046 | |
| 2047 | if (cur == NULL) { |
| 2048 | #ifdef DEBUG_TREE |
| 2049 | xmlGenericError(xmlGenericErrorContext, |
| 2050 | "xmlAddSibling : cur == NULL\n"); |
| 2051 | #endif |
| 2052 | return(NULL); |
| 2053 | } |
| 2054 | |
| 2055 | if (elem == NULL) { |
| 2056 | #ifdef DEBUG_TREE |
| 2057 | xmlGenericError(xmlGenericErrorContext, |
| 2058 | "xmlAddSibling : elem == NULL\n"); |
| 2059 | #endif |
| 2060 | return(NULL); |
| 2061 | } |
| 2062 | |
| 2063 | /* |
| 2064 | * Constant time is we can rely on the ->parent->last to find |
| 2065 | * the last sibling. |
| 2066 | */ |
| 2067 | if ((cur->parent != NULL) && |
| 2068 | (cur->parent->children != NULL) && |
| 2069 | (cur->parent->last != NULL) && |
| 2070 | (cur->parent->last->next == NULL)) { |
| 2071 | cur = cur->parent->last; |
| 2072 | } else { |
| 2073 | while (cur->next != NULL) cur = cur->next; |
| 2074 | } |
| 2075 | |
| 2076 | xmlUnlinkNode(elem); |
| 2077 | |
| 2078 | if ((cur->type == XML_TEXT_NODE) && (elem->type == XML_TEXT_NODE)) { |
| 2079 | #ifndef XML_USE_BUFFER_CONTENT |
| 2080 | xmlNodeAddContent(cur, elem->content); |
| 2081 | #else |
| 2082 | xmlNodeAddContent(cur, xmlBufferContent(elem->content)); |
| 2083 | #endif |
| 2084 | xmlFreeNode(elem); |
| 2085 | return(cur); |
| 2086 | } |
| 2087 | |
| 2088 | if (elem->doc != cur->doc) { |
| 2089 | xmlSetTreeDoc(elem, cur->doc); |
| 2090 | } |
| 2091 | parent = cur->parent; |
| 2092 | elem->prev = cur; |
| 2093 | elem->next = NULL; |
| 2094 | elem->parent = parent; |
| 2095 | cur->next = elem; |
| 2096 | if (parent != NULL) |
| 2097 | parent->last = elem; |
| 2098 | |
| 2099 | return(elem); |
| 2100 | } |
| 2101 | |
| 2102 | /** |
| 2103 | * xmlAddChildList: |
| 2104 | * @parent: the parent node |
| 2105 | * @cur: the first node in the list |
| 2106 | * |
| 2107 | * Add a list of node at the end of the child list of the parent |
| 2108 | * merging adjacent TEXT nodes (@cur may be freed) |
| 2109 | * |
| 2110 | * Returns the last child or NULL in case of error. |
| 2111 | */ |
| 2112 | xmlNodePtr |
| 2113 | xmlAddChildList(xmlNodePtr parent, xmlNodePtr cur) { |
| 2114 | xmlNodePtr prev; |
| 2115 | |
| 2116 | if (parent == NULL) { |
| 2117 | #ifdef DEBUG_TREE |
| 2118 | xmlGenericError(xmlGenericErrorContext, |
| 2119 | "xmlAddChild : parent == NULL\n"); |
| 2120 | #endif |
| 2121 | return(NULL); |
| 2122 | } |
| 2123 | |
| 2124 | if (cur == NULL) { |
| 2125 | #ifdef DEBUG_TREE |
| 2126 | xmlGenericError(xmlGenericErrorContext, |
| 2127 | "xmlAddChild : child == NULL\n"); |
| 2128 | #endif |
| 2129 | return(NULL); |
| 2130 | } |
| 2131 | |
| 2132 | if ((cur->doc != NULL) && (parent->doc != NULL) && |
| 2133 | (cur->doc != parent->doc)) { |
| 2134 | #ifdef DEBUG_TREE |
| 2135 | xmlGenericError(xmlGenericErrorContext, |
| 2136 | "Elements moved to a different document\n"); |
| 2137 | #endif |
| 2138 | } |
| 2139 | |
| 2140 | /* |
| 2141 | * add the first element at the end of the children list. |
| 2142 | */ |
| 2143 | if (parent->children == NULL) { |
| 2144 | parent->children = cur; |
| 2145 | } else { |
| 2146 | /* |
| 2147 | * If cur and parent->last both are TEXT nodes, then merge them. |
| 2148 | */ |
| 2149 | if ((cur->type == XML_TEXT_NODE) && |
| 2150 | (parent->last->type == XML_TEXT_NODE) && |
| 2151 | (cur->name == parent->last->name)) { |
| 2152 | #ifndef XML_USE_BUFFER_CONTENT |
| 2153 | xmlNodeAddContent(parent->last, cur->content); |
| 2154 | #else |
| 2155 | xmlNodeAddContent(parent->last, xmlBufferContent(cur->content)); |
| 2156 | #endif |
| 2157 | /* |
| 2158 | * if it's the only child, nothing more to be done. |
| 2159 | */ |
| 2160 | if (cur->next == NULL) { |
| 2161 | xmlFreeNode(cur); |
| 2162 | return(parent->last); |
| 2163 | } |
| 2164 | prev = cur; |
| 2165 | cur = cur->next; |
| 2166 | xmlFreeNode(prev); |
| 2167 | } |
| 2168 | prev = parent->last; |
| 2169 | prev->next = cur; |
| 2170 | cur->prev = prev; |
| 2171 | } |
| 2172 | while (cur->next != NULL) { |
| 2173 | cur->parent = parent; |
| 2174 | if (cur->doc != parent->doc) { |
| 2175 | xmlSetTreeDoc(cur, parent->doc); |
| 2176 | } |
| 2177 | cur = cur->next; |
| 2178 | } |
| 2179 | cur->parent = parent; |
| 2180 | cur->doc = parent->doc; /* the parent may not be linked to a doc ! */ |
| 2181 | parent->last = cur; |
| 2182 | |
| 2183 | return(cur); |
| 2184 | } |
| 2185 | |
| 2186 | /** |
| 2187 | * xmlAddChild: |
| 2188 | * @parent: the parent node |
| 2189 | * @cur: the child node |
| 2190 | * |
| 2191 | * Add a new child element, to @parent, at the end of the child list |
| 2192 | * merging adjacent TEXT nodes (in which case @cur is freed) |
| 2193 | * Returns the child or NULL in case of error. |
| 2194 | */ |
| 2195 | xmlNodePtr |
| 2196 | xmlAddChild(xmlNodePtr parent, xmlNodePtr cur) { |
| 2197 | xmlNodePtr prev; |
| 2198 | |
| 2199 | if (parent == NULL) { |
| 2200 | #ifdef DEBUG_TREE |
| 2201 | xmlGenericError(xmlGenericErrorContext, |
| 2202 | "xmlAddChild : parent == NULL\n"); |
| 2203 | #endif |
| 2204 | return(NULL); |
| 2205 | } |
| 2206 | |
| 2207 | if (cur == NULL) { |
| 2208 | #ifdef DEBUG_TREE |
| 2209 | xmlGenericError(xmlGenericErrorContext, |
| 2210 | "xmlAddChild : child == NULL\n"); |
| 2211 | #endif |
| 2212 | return(NULL); |
| 2213 | } |
| 2214 | |
| 2215 | if ((cur->doc != NULL) && (parent->doc != NULL) && |
| 2216 | (cur->doc != parent->doc)) { |
| 2217 | #ifdef DEBUG_TREE |
| 2218 | xmlGenericError(xmlGenericErrorContext, |
| 2219 | "Elements moved to a different document\n"); |
| 2220 | #endif |
| 2221 | } |
| 2222 | |
| 2223 | /* |
| 2224 | * If cur is a TEXT node, merge its content with adjacent TEXT nodes |
| 2225 | * or with parent->content if parent->content != NULL. |
| 2226 | * cur is then freed. |
| 2227 | */ |
| 2228 | if (cur->type == XML_TEXT_NODE) { |
| 2229 | if (((parent->type == XML_ELEMENT_NODE) || |
| 2230 | (parent->type == XML_TEXT_NODE)) && |
| 2231 | (parent->content != NULL)) { |
| 2232 | #ifndef XML_USE_BUFFER_CONTENT |
| 2233 | xmlNodeAddContent(parent, cur->content); |
| 2234 | #else |
| 2235 | xmlNodeAddContent(parent, xmlBufferContent(cur->content)); |
| 2236 | #endif |
| 2237 | xmlFreeNode(cur); |
| 2238 | return(parent); |
| 2239 | } |
| 2240 | if ((parent->last != NULL) && (parent->last->type == XML_TEXT_NODE) && |
| 2241 | (parent->last->name == cur->name)) { |
| 2242 | #ifndef XML_USE_BUFFER_CONTENT |
| 2243 | xmlNodeAddContent(parent->last, cur->content); |
| 2244 | #else |
| 2245 | xmlNodeAddContent(parent->last, xmlBufferContent(cur->content)); |
| 2246 | #endif |
| 2247 | xmlFreeNode(cur); |
| 2248 | return(parent->last); |
| 2249 | } |
| 2250 | } |
| 2251 | |
| 2252 | /* |
| 2253 | * add the new element at the end of the children list. |
| 2254 | */ |
| 2255 | cur->parent = parent; |
| 2256 | if (cur->doc != parent->doc) { |
| 2257 | xmlSetTreeDoc(cur, parent->doc); |
| 2258 | } |
| 2259 | |
| 2260 | /* |
| 2261 | * Handle the case where parent->content != NULL, in that case it will |
| 2262 | * create a intermediate TEXT node. |
| 2263 | */ |
| 2264 | if (((parent->type == XML_ELEMENT_NODE) || (parent->type == XML_TEXT_NODE)) && |
| 2265 | (parent->content != NULL)) { |
| 2266 | xmlNodePtr text; |
| 2267 | |
| 2268 | #ifndef XML_USE_BUFFER_CONTENT |
| 2269 | text = xmlNewDocText(parent->doc, parent->content); |
| 2270 | #else |
| 2271 | text = xmlNewDocText(parent->doc, xmlBufferContent(parent->content)); |
| 2272 | #endif |
| 2273 | if (text != NULL) { |
| 2274 | text->next = parent->children; |
| 2275 | if (text->next != NULL) |
| 2276 | text->next->prev = text; |
| 2277 | parent->children = text; |
| 2278 | UPDATE_LAST_CHILD_AND_PARENT(parent) |
| 2279 | #ifndef XML_USE_BUFFER_CONTENT |
| 2280 | xmlFree(parent->content); |
| 2281 | #else |
| 2282 | xmlBufferFree(parent->content); |
| 2283 | #endif |
| 2284 | parent->content = NULL; |
| 2285 | } |
| 2286 | } |
| 2287 | if (parent->children == NULL) { |
| 2288 | parent->children = cur; |
| 2289 | parent->last = cur; |
| 2290 | } else { |
| 2291 | prev = parent->last; |
| 2292 | prev->next = cur; |
| 2293 | cur->prev = prev; |
| 2294 | parent->last = cur; |
| 2295 | } |
| 2296 | |
| 2297 | return(cur); |
| 2298 | } |
| 2299 | |
| 2300 | /** |
| 2301 | * xmlGetLastChild: |
| 2302 | * @parent: the parent node |
| 2303 | * |
| 2304 | * Search the last child of a node. |
| 2305 | * Returns the last child or NULL if none. |
| 2306 | */ |
| 2307 | xmlNodePtr |
| 2308 | xmlGetLastChild(xmlNodePtr parent) { |
| 2309 | if (parent == NULL) { |
| 2310 | #ifdef DEBUG_TREE |
| 2311 | xmlGenericError(xmlGenericErrorContext, |
| 2312 | "xmlGetLastChild : parent == NULL\n"); |
| 2313 | #endif |
| 2314 | return(NULL); |
| 2315 | } |
| 2316 | return(parent->last); |
| 2317 | } |
| 2318 | |
| 2319 | /** |
| 2320 | * xmlFreeNodeList: |
| 2321 | * @cur: the first node in the list |
| 2322 | * |
| 2323 | * Free a node and all its siblings, this is a recursive behaviour, all |
| 2324 | * the children are freed too. |
| 2325 | */ |
| 2326 | void |
| 2327 | xmlFreeNodeList(xmlNodePtr cur) { |
| 2328 | xmlNodePtr next; |
| 2329 | if (cur == NULL) { |
| 2330 | #ifdef DEBUG_TREE |
| 2331 | xmlGenericError(xmlGenericErrorContext, |
| 2332 | "xmlFreeNodeList : node == NULL\n"); |
| 2333 | #endif |
| 2334 | return; |
| 2335 | } |
| 2336 | while (cur != NULL) { |
| 2337 | next = cur->next; |
Daniel Veillard | 02141ea | 2001-04-30 11:46:40 +0000 | [diff] [blame] | 2338 | /* unroll to speed up freeing the document */ |
| 2339 | if (cur->type != XML_DTD_NODE) { |
| 2340 | if ((cur->children != NULL) && |
| 2341 | (cur->type != XML_ENTITY_REF_NODE)) |
| 2342 | xmlFreeNodeList(cur->children); |
| 2343 | if (cur->properties != NULL) |
| 2344 | xmlFreePropList(cur->properties); |
| 2345 | if (cur->type != XML_ENTITY_REF_NODE) |
| 2346 | #ifndef XML_USE_BUFFER_CONTENT |
| 2347 | if (cur->content != NULL) xmlFree(cur->content); |
| 2348 | #else |
| 2349 | if (cur->content != NULL) xmlBufferFree(cur->content); |
| 2350 | #endif |
| 2351 | if ((cur->name != NULL) && |
| 2352 | (cur->name != xmlStringText) && |
| 2353 | (cur->name != xmlStringTextNoenc) && |
| 2354 | (cur->name != xmlStringComment)) |
| 2355 | xmlFree((char *) cur->name); |
| 2356 | /* TODO : derecursivate this function */ |
| 2357 | if (cur->nsDef != NULL) xmlFreeNsList(cur->nsDef); |
| 2358 | xmlFree(cur); |
| 2359 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2360 | cur = next; |
| 2361 | } |
| 2362 | } |
| 2363 | |
| 2364 | /** |
| 2365 | * xmlFreeNode: |
| 2366 | * @cur: the node |
| 2367 | * |
| 2368 | * Free a node, this is a recursive behaviour, all the children are freed too. |
| 2369 | * This doesn't unlink the child from the list, use xmlUnlinkNode() first. |
| 2370 | */ |
| 2371 | void |
| 2372 | xmlFreeNode(xmlNodePtr cur) { |
| 2373 | if (cur == NULL) { |
| 2374 | #ifdef DEBUG_TREE |
| 2375 | xmlGenericError(xmlGenericErrorContext, |
| 2376 | "xmlFreeNode : node == NULL\n"); |
| 2377 | #endif |
| 2378 | return; |
| 2379 | } |
Daniel Veillard | 02141ea | 2001-04-30 11:46:40 +0000 | [diff] [blame] | 2380 | /* use xmlFreeDtd for DTD nodes */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2381 | if (cur->type == XML_DTD_NODE) |
| 2382 | return; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2383 | if ((cur->children != NULL) && |
| 2384 | (cur->type != XML_ENTITY_REF_NODE)) |
| 2385 | xmlFreeNodeList(cur->children); |
Daniel Veillard | 02141ea | 2001-04-30 11:46:40 +0000 | [diff] [blame] | 2386 | if (cur->properties != NULL) |
| 2387 | xmlFreePropList(cur->properties); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2388 | if (cur->type != XML_ENTITY_REF_NODE) |
| 2389 | #ifndef XML_USE_BUFFER_CONTENT |
| 2390 | if (cur->content != NULL) xmlFree(cur->content); |
| 2391 | #else |
| 2392 | if (cur->content != NULL) xmlBufferFree(cur->content); |
| 2393 | #endif |
| 2394 | if ((cur->name != NULL) && |
| 2395 | (cur->name != xmlStringText) && |
| 2396 | (cur->name != xmlStringTextNoenc) && |
| 2397 | (cur->name != xmlStringComment)) |
| 2398 | xmlFree((char *) cur->name); |
| 2399 | if (cur->nsDef != NULL) xmlFreeNsList(cur->nsDef); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2400 | xmlFree(cur); |
| 2401 | } |
| 2402 | |
| 2403 | /** |
| 2404 | * xmlUnlinkNode: |
| 2405 | * @cur: the node |
| 2406 | * |
| 2407 | * Unlink a node from it's current context, the node is not freed |
| 2408 | */ |
| 2409 | void |
| 2410 | xmlUnlinkNode(xmlNodePtr cur) { |
| 2411 | if (cur == NULL) { |
| 2412 | #ifdef DEBUG_TREE |
| 2413 | xmlGenericError(xmlGenericErrorContext, |
| 2414 | "xmlUnlinkNode : node == NULL\n"); |
| 2415 | #endif |
| 2416 | return; |
| 2417 | } |
| 2418 | if ((cur->parent != NULL) && (cur->parent->children == cur)) |
| 2419 | cur->parent->children = cur->next; |
| 2420 | if ((cur->parent != NULL) && (cur->parent->last == cur)) |
| 2421 | cur->parent->last = cur->prev; |
| 2422 | if (cur->next != NULL) |
| 2423 | cur->next->prev = cur->prev; |
| 2424 | if (cur->prev != NULL) |
| 2425 | cur->prev->next = cur->next; |
| 2426 | cur->next = cur->prev = NULL; |
| 2427 | cur->parent = NULL; |
| 2428 | } |
| 2429 | |
| 2430 | /** |
| 2431 | * xmlReplaceNode: |
| 2432 | * @old: the old node |
| 2433 | * @cur: the node |
| 2434 | * |
| 2435 | * Unlink the old node from it's current context, prune the new one |
| 2436 | * at the same place. If cur was already inserted in a document it is |
| 2437 | * first unlinked from its existing context. |
| 2438 | * |
| 2439 | * Returns the old node |
| 2440 | */ |
| 2441 | xmlNodePtr |
| 2442 | xmlReplaceNode(xmlNodePtr old, xmlNodePtr cur) { |
| 2443 | if (old == NULL) { |
| 2444 | #ifdef DEBUG_TREE |
| 2445 | xmlGenericError(xmlGenericErrorContext, |
| 2446 | "xmlReplaceNode : old == NULL\n"); |
| 2447 | #endif |
| 2448 | return(NULL); |
| 2449 | } |
| 2450 | if (cur == NULL) { |
| 2451 | xmlUnlinkNode(old); |
| 2452 | return(old); |
| 2453 | } |
| 2454 | if (cur == old) { |
| 2455 | return(old); |
| 2456 | } |
| 2457 | xmlUnlinkNode(cur); |
| 2458 | cur->doc = old->doc; |
| 2459 | cur->parent = old->parent; |
| 2460 | cur->next = old->next; |
| 2461 | if (cur->next != NULL) |
| 2462 | cur->next->prev = cur; |
| 2463 | cur->prev = old->prev; |
| 2464 | if (cur->prev != NULL) |
| 2465 | cur->prev->next = cur; |
| 2466 | if (cur->parent != NULL) { |
| 2467 | if (cur->parent->children == old) |
| 2468 | cur->parent->children = cur; |
| 2469 | if (cur->parent->last == old) |
| 2470 | cur->parent->last = cur; |
| 2471 | } |
| 2472 | old->next = old->prev = NULL; |
| 2473 | old->parent = NULL; |
| 2474 | return(old); |
| 2475 | } |
| 2476 | |
| 2477 | /************************************************************************ |
| 2478 | * * |
| 2479 | * Copy operations * |
| 2480 | * * |
| 2481 | ************************************************************************/ |
| 2482 | |
| 2483 | /** |
| 2484 | * xmlCopyNamespace: |
| 2485 | * @cur: the namespace |
| 2486 | * |
| 2487 | * Do a copy of the namespace. |
| 2488 | * |
| 2489 | * Returns: a new xmlNsPtr, or NULL in case of error. |
| 2490 | */ |
| 2491 | xmlNsPtr |
| 2492 | xmlCopyNamespace(xmlNsPtr cur) { |
| 2493 | xmlNsPtr ret; |
| 2494 | |
| 2495 | if (cur == NULL) return(NULL); |
| 2496 | switch (cur->type) { |
| 2497 | case XML_LOCAL_NAMESPACE: |
| 2498 | ret = xmlNewNs(NULL, cur->href, cur->prefix); |
| 2499 | break; |
| 2500 | default: |
| 2501 | #ifdef DEBUG_TREE |
| 2502 | xmlGenericError(xmlGenericErrorContext, |
| 2503 | "xmlCopyNamespace: invalid type %d\n", cur->type); |
| 2504 | #endif |
| 2505 | return(NULL); |
| 2506 | } |
| 2507 | return(ret); |
| 2508 | } |
| 2509 | |
| 2510 | /** |
| 2511 | * xmlCopyNamespaceList: |
| 2512 | * @cur: the first namespace |
| 2513 | * |
| 2514 | * Do a copy of an namespace list. |
| 2515 | * |
| 2516 | * Returns: a new xmlNsPtr, or NULL in case of error. |
| 2517 | */ |
| 2518 | xmlNsPtr |
| 2519 | xmlCopyNamespaceList(xmlNsPtr cur) { |
| 2520 | xmlNsPtr ret = NULL; |
| 2521 | xmlNsPtr p = NULL,q; |
| 2522 | |
| 2523 | while (cur != NULL) { |
| 2524 | q = xmlCopyNamespace(cur); |
| 2525 | if (p == NULL) { |
| 2526 | ret = p = q; |
| 2527 | } else { |
| 2528 | p->next = q; |
| 2529 | p = q; |
| 2530 | } |
| 2531 | cur = cur->next; |
| 2532 | } |
| 2533 | return(ret); |
| 2534 | } |
| 2535 | |
| 2536 | static xmlNodePtr |
| 2537 | xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent); |
| 2538 | /** |
| 2539 | * xmlCopyProp: |
| 2540 | * @target: the element where the attribute will be grafted |
| 2541 | * @cur: the attribute |
| 2542 | * |
| 2543 | * Do a copy of the attribute. |
| 2544 | * |
| 2545 | * Returns: a new xmlAttrPtr, or NULL in case of error. |
| 2546 | */ |
| 2547 | xmlAttrPtr |
| 2548 | xmlCopyProp(xmlNodePtr target, xmlAttrPtr cur) { |
| 2549 | xmlAttrPtr ret; |
| 2550 | |
| 2551 | if (cur == NULL) return(NULL); |
| 2552 | if (target != NULL) |
| 2553 | ret = xmlNewDocProp(target->doc, cur->name, NULL); |
| 2554 | else if (cur->parent != NULL) |
| 2555 | ret = xmlNewDocProp(cur->parent->doc, cur->name, NULL); |
| 2556 | else if (cur->children != NULL) |
| 2557 | ret = xmlNewDocProp(cur->children->doc, cur->name, NULL); |
| 2558 | else |
| 2559 | ret = xmlNewDocProp(NULL, cur->name, NULL); |
| 2560 | if (ret == NULL) return(NULL); |
| 2561 | ret->parent = target; |
| 2562 | |
| 2563 | if ((cur->ns != NULL) && (target != NULL)) { |
| 2564 | xmlNsPtr ns; |
| 2565 | |
| 2566 | ns = xmlSearchNs(target->doc, target, cur->ns->prefix); |
| 2567 | ret->ns = ns; |
| 2568 | } else |
| 2569 | ret->ns = NULL; |
| 2570 | |
| 2571 | if (cur->children != NULL) { |
| 2572 | xmlNodePtr tmp; |
| 2573 | |
| 2574 | ret->children = xmlStaticCopyNodeList(cur->children, ret->doc, (xmlNodePtr) ret); |
| 2575 | ret->last = NULL; |
| 2576 | tmp = ret->children; |
| 2577 | while (tmp != NULL) { |
| 2578 | /* tmp->parent = (xmlNodePtr)ret; */ |
| 2579 | if (tmp->next == NULL) |
| 2580 | ret->last = tmp; |
| 2581 | tmp = tmp->next; |
| 2582 | } |
| 2583 | } |
| 2584 | return(ret); |
| 2585 | } |
| 2586 | |
| 2587 | /** |
| 2588 | * xmlCopyPropList: |
| 2589 | * @target: the element where the attributes will be grafted |
| 2590 | * @cur: the first attribute |
| 2591 | * |
| 2592 | * Do a copy of an attribute list. |
| 2593 | * |
| 2594 | * Returns: a new xmlAttrPtr, or NULL in case of error. |
| 2595 | */ |
| 2596 | xmlAttrPtr |
| 2597 | xmlCopyPropList(xmlNodePtr target, xmlAttrPtr cur) { |
| 2598 | xmlAttrPtr ret = NULL; |
| 2599 | xmlAttrPtr p = NULL,q; |
| 2600 | |
| 2601 | while (cur != NULL) { |
| 2602 | q = xmlCopyProp(target, cur); |
| 2603 | if (p == NULL) { |
| 2604 | ret = p = q; |
| 2605 | } else { |
| 2606 | p->next = q; |
| 2607 | q->prev = p; |
| 2608 | p = q; |
| 2609 | } |
| 2610 | cur = cur->next; |
| 2611 | } |
| 2612 | return(ret); |
| 2613 | } |
| 2614 | |
| 2615 | /* |
| 2616 | * NOTE abeut the CopyNode operations ! |
| 2617 | * |
| 2618 | * They are splitted into external and internal parts for one |
| 2619 | * tricky reason: namespaces. Doing a direct copy of a node |
| 2620 | * say RPM:Copyright without changing the namespace pointer to |
| 2621 | * something else can produce stale links. One way to do it is |
| 2622 | * to keep a reference counter but this doesn't work as soon |
| 2623 | * as one move the element or the subtree out of the scope of |
| 2624 | * the existing namespace. The actual solution seems to add |
| 2625 | * a copy of the namespace at the top of the copied tree if |
| 2626 | * not available in the subtree. |
| 2627 | * Hence two functions, the public front-end call the inner ones |
| 2628 | */ |
| 2629 | |
| 2630 | static xmlNodePtr |
| 2631 | xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent); |
| 2632 | |
| 2633 | static xmlNodePtr |
| 2634 | xmlStaticCopyNode(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent, |
| 2635 | int recursive) { |
| 2636 | xmlNodePtr ret; |
| 2637 | |
| 2638 | if (node == NULL) return(NULL); |
Daniel Veillard | b33c201 | 2001-04-25 12:59:04 +0000 | [diff] [blame] | 2639 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2640 | /* |
| 2641 | * Allocate a new node and fill the fields. |
| 2642 | */ |
| 2643 | ret = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 2644 | if (ret == NULL) { |
| 2645 | xmlGenericError(xmlGenericErrorContext, |
| 2646 | "xmlStaticCopyNode : malloc failed\n"); |
| 2647 | return(NULL); |
| 2648 | } |
| 2649 | memset(ret, 0, sizeof(xmlNode)); |
| 2650 | ret->type = node->type; |
| 2651 | |
| 2652 | ret->doc = doc; |
| 2653 | ret->parent = parent; |
| 2654 | if (node->name == xmlStringText) |
| 2655 | ret->name = xmlStringText; |
| 2656 | else if (node->name == xmlStringTextNoenc) |
| 2657 | ret->name = xmlStringTextNoenc; |
| 2658 | else if (node->name == xmlStringComment) |
| 2659 | ret->name = xmlStringComment; |
| 2660 | else if (node->name != NULL) |
| 2661 | ret->name = xmlStrdup(node->name); |
| 2662 | if ((node->content != NULL) && (node->type != XML_ENTITY_REF_NODE)) { |
| 2663 | #ifndef XML_USE_BUFFER_CONTENT |
| 2664 | ret->content = xmlStrdup(node->content); |
| 2665 | #else |
| 2666 | ret->content = xmlBufferCreateSize(xmlBufferLength(node->content)); |
| 2667 | xmlBufferSetAllocationScheme(ret->content, |
| 2668 | xmlGetBufferAllocationScheme()); |
| 2669 | xmlBufferAdd(ret->content, |
| 2670 | xmlBufferContent(node->content), |
| 2671 | xmlBufferLength(node->content)); |
| 2672 | #endif |
| 2673 | } |
| 2674 | if (parent != NULL) |
| 2675 | xmlAddChild(parent, ret); |
| 2676 | |
| 2677 | if (!recursive) return(ret); |
| 2678 | if (node->nsDef != NULL) |
| 2679 | ret->nsDef = xmlCopyNamespaceList(node->nsDef); |
| 2680 | |
| 2681 | if (node->ns != NULL) { |
| 2682 | xmlNsPtr ns; |
| 2683 | |
| 2684 | ns = xmlSearchNs(doc, ret, node->ns->prefix); |
| 2685 | if (ns == NULL) { |
| 2686 | /* |
| 2687 | * Humm, we are copying an element whose namespace is defined |
| 2688 | * out of the new tree scope. Search it in the original tree |
| 2689 | * and add it at the top of the new tree |
| 2690 | */ |
| 2691 | ns = xmlSearchNs(node->doc, node, node->ns->prefix); |
| 2692 | if (ns != NULL) { |
| 2693 | xmlNodePtr root = ret; |
| 2694 | |
| 2695 | while (root->parent != NULL) root = root->parent; |
Daniel Veillard | e82a992 | 2001-04-22 12:12:58 +0000 | [diff] [blame] | 2696 | ret->ns = xmlNewNs(root, ns->href, ns->prefix); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2697 | } |
| 2698 | } else { |
| 2699 | /* |
| 2700 | * reference the existing namespace definition in our own tree. |
| 2701 | */ |
| 2702 | ret->ns = ns; |
| 2703 | } |
| 2704 | } |
| 2705 | if (node->properties != NULL) |
| 2706 | ret->properties = xmlCopyPropList(ret, node->properties); |
Daniel Veillard | b33c201 | 2001-04-25 12:59:04 +0000 | [diff] [blame] | 2707 | if (node->type == XML_ENTITY_REF_NODE) { |
| 2708 | if ((doc == NULL) || (node->doc != doc)) { |
| 2709 | /* |
| 2710 | * The copied node will go into a separate document, so |
| 2711 | * to havoid dandling references to the ENTITY_DECL node |
| 2712 | * we cannot keep the reference. Try to find it in the |
| 2713 | * target document. |
| 2714 | */ |
| 2715 | ret->children = (xmlNodePtr) xmlGetDocEntity(doc, ret->name); |
| 2716 | } else { |
| 2717 | ret->children = node->children; |
| 2718 | } |
| 2719 | } else if (node->children != NULL) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2720 | ret->children = xmlStaticCopyNodeList(node->children, doc, ret); |
| 2721 | UPDATE_LAST_CHILD_AND_PARENT(ret) |
| 2722 | return(ret); |
| 2723 | } |
| 2724 | |
| 2725 | static xmlNodePtr |
| 2726 | xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) { |
| 2727 | xmlNodePtr ret = NULL; |
| 2728 | xmlNodePtr p = NULL,q; |
| 2729 | |
| 2730 | while (node != NULL) { |
Daniel Veillard | b33c201 | 2001-04-25 12:59:04 +0000 | [diff] [blame] | 2731 | if( node->type == XML_DTD_NODE ) { |
| 2732 | if (doc->intSubset == NULL) { |
| 2733 | q = (xmlNodePtr) xmlCopyDtd( (xmlDtdPtr) node ); |
| 2734 | q->doc = doc; |
| 2735 | q->parent = parent; |
| 2736 | doc->intSubset = (xmlDtdPtr) q; |
| 2737 | } else { |
| 2738 | q = (xmlNodePtr) doc->intSubset; |
| 2739 | } |
| 2740 | } else |
| 2741 | q = xmlStaticCopyNode(node, doc, parent, 1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2742 | if (ret == NULL) { |
| 2743 | q->prev = NULL; |
| 2744 | ret = p = q; |
| 2745 | } else { |
| 2746 | p->next = q; |
| 2747 | q->prev = p; |
| 2748 | p = q; |
| 2749 | } |
| 2750 | node = node->next; |
| 2751 | } |
| 2752 | return(ret); |
| 2753 | } |
| 2754 | |
| 2755 | /** |
| 2756 | * xmlCopyNode: |
| 2757 | * @node: the node |
| 2758 | * @recursive: if 1 do a recursive copy. |
| 2759 | * |
| 2760 | * Do a copy of the node. |
| 2761 | * |
| 2762 | * Returns: a new xmlNodePtr, or NULL in case of error. |
| 2763 | */ |
| 2764 | xmlNodePtr |
| 2765 | xmlCopyNode(xmlNodePtr node, int recursive) { |
| 2766 | xmlNodePtr ret; |
| 2767 | |
| 2768 | ret = xmlStaticCopyNode(node, NULL, NULL, recursive); |
| 2769 | return(ret); |
| 2770 | } |
| 2771 | |
| 2772 | /** |
Daniel Veillard | 82daa81 | 2001-04-12 08:55:36 +0000 | [diff] [blame] | 2773 | * xmlDocCopyNode: |
| 2774 | * @node: the node |
| 2775 | * @recursive: if 1 do a recursive copy. |
| 2776 | * |
| 2777 | * Do a copy of the node to a given document. |
| 2778 | * |
| 2779 | * Returns: a new xmlNodePtr, or NULL in case of error. |
| 2780 | */ |
| 2781 | xmlNodePtr |
| 2782 | xmlDocCopyNode(xmlNodePtr node, xmlDocPtr doc, int recursive) { |
| 2783 | xmlNodePtr ret; |
| 2784 | |
| 2785 | ret = xmlStaticCopyNode(node, doc, NULL, recursive); |
| 2786 | return(ret); |
| 2787 | } |
| 2788 | |
| 2789 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2790 | * xmlCopyNodeList: |
| 2791 | * @node: the first node in the list. |
| 2792 | * |
| 2793 | * Do a recursive copy of the node list. |
| 2794 | * |
| 2795 | * Returns: a new xmlNodePtr, or NULL in case of error. |
| 2796 | */ |
| 2797 | xmlNodePtr xmlCopyNodeList(xmlNodePtr node) { |
| 2798 | xmlNodePtr ret = xmlStaticCopyNodeList(node, NULL, NULL); |
| 2799 | return(ret); |
| 2800 | } |
| 2801 | |
| 2802 | /** |
| 2803 | * xmlCopyElement: |
| 2804 | * @elem: the element |
| 2805 | * |
| 2806 | * Do a copy of the element definition. |
| 2807 | * |
| 2808 | * Returns: a new xmlElementPtr, or NULL in case of error. |
| 2809 | xmlElementPtr |
| 2810 | xmlCopyElement(xmlElementPtr elem) { |
| 2811 | xmlElementPtr ret; |
| 2812 | |
| 2813 | if (elem == NULL) return(NULL); |
| 2814 | ret = xmlNewDocElement(elem->doc, elem->ns, elem->name, elem->content); |
| 2815 | if (ret == NULL) return(NULL); |
| 2816 | if (!recursive) return(ret); |
| 2817 | if (elem->properties != NULL) |
| 2818 | ret->properties = xmlCopyPropList(elem->properties); |
| 2819 | |
| 2820 | if (elem->nsDef != NULL) |
| 2821 | ret->nsDef = xmlCopyNamespaceList(elem->nsDef); |
| 2822 | if (elem->children != NULL) |
| 2823 | ret->children = xmlCopyElementList(elem->children); |
| 2824 | return(ret); |
| 2825 | } |
| 2826 | */ |
| 2827 | |
| 2828 | /** |
| 2829 | * xmlCopyDtd: |
| 2830 | * @dtd: the dtd |
| 2831 | * |
| 2832 | * Do a copy of the dtd. |
| 2833 | * |
| 2834 | * Returns: a new xmlDtdPtr, or NULL in case of error. |
| 2835 | */ |
| 2836 | xmlDtdPtr |
| 2837 | xmlCopyDtd(xmlDtdPtr dtd) { |
| 2838 | xmlDtdPtr ret; |
| 2839 | |
| 2840 | if (dtd == NULL) return(NULL); |
| 2841 | ret = xmlNewDtd(NULL, dtd->name, dtd->ExternalID, dtd->SystemID); |
| 2842 | if (ret == NULL) return(NULL); |
| 2843 | if (dtd->entities != NULL) |
| 2844 | ret->entities = (void *) xmlCopyEntitiesTable( |
| 2845 | (xmlEntitiesTablePtr) dtd->entities); |
| 2846 | if (dtd->notations != NULL) |
| 2847 | ret->notations = (void *) xmlCopyNotationTable( |
| 2848 | (xmlNotationTablePtr) dtd->notations); |
| 2849 | if (dtd->elements != NULL) |
| 2850 | ret->elements = (void *) xmlCopyElementTable( |
| 2851 | (xmlElementTablePtr) dtd->elements); |
| 2852 | if (dtd->attributes != NULL) |
| 2853 | ret->attributes = (void *) xmlCopyAttributeTable( |
| 2854 | (xmlAttributeTablePtr) dtd->attributes); |
| 2855 | return(ret); |
| 2856 | } |
| 2857 | |
| 2858 | /** |
| 2859 | * xmlCopyDoc: |
| 2860 | * @doc: the document |
| 2861 | * @recursive: if 1 do a recursive copy. |
| 2862 | * |
| 2863 | * Do a copy of the document info. If recursive, the content tree will |
| 2864 | * be copied too as well as Dtd, namespaces and entities. |
| 2865 | * |
| 2866 | * Returns: a new xmlDocPtr, or NULL in case of error. |
| 2867 | */ |
| 2868 | xmlDocPtr |
| 2869 | xmlCopyDoc(xmlDocPtr doc, int recursive) { |
| 2870 | xmlDocPtr ret; |
| 2871 | |
| 2872 | if (doc == NULL) return(NULL); |
| 2873 | ret = xmlNewDoc(doc->version); |
| 2874 | if (ret == NULL) return(NULL); |
| 2875 | if (doc->name != NULL) |
| 2876 | ret->name = xmlMemStrdup(doc->name); |
| 2877 | if (doc->encoding != NULL) |
| 2878 | ret->encoding = xmlStrdup(doc->encoding); |
| 2879 | ret->charset = doc->charset; |
| 2880 | ret->compression = doc->compression; |
| 2881 | ret->standalone = doc->standalone; |
| 2882 | if (!recursive) return(ret); |
| 2883 | |
Daniel Veillard | b33c201 | 2001-04-25 12:59:04 +0000 | [diff] [blame] | 2884 | ret->last = NULL; |
| 2885 | ret->children = NULL; |
| 2886 | if (doc->intSubset != NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2887 | ret->intSubset = xmlCopyDtd(doc->intSubset); |
Daniel Veillard | b33c201 | 2001-04-25 12:59:04 +0000 | [diff] [blame] | 2888 | ret->intSubset->doc = ret; |
| 2889 | ret->intSubset->parent = ret; |
| 2890 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2891 | if (doc->oldNs != NULL) |
| 2892 | ret->oldNs = xmlCopyNamespaceList(doc->oldNs); |
| 2893 | if (doc->children != NULL) { |
| 2894 | xmlNodePtr tmp; |
Daniel Veillard | b33c201 | 2001-04-25 12:59:04 +0000 | [diff] [blame] | 2895 | |
| 2896 | ret->children = xmlStaticCopyNodeList(doc->children, ret, |
| 2897 | (xmlNodePtr)ret); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2898 | ret->last = NULL; |
| 2899 | tmp = ret->children; |
| 2900 | while (tmp != NULL) { |
| 2901 | if (tmp->next == NULL) |
| 2902 | ret->last = tmp; |
| 2903 | tmp = tmp->next; |
| 2904 | } |
| 2905 | } |
| 2906 | return(ret); |
| 2907 | } |
| 2908 | |
| 2909 | /************************************************************************ |
| 2910 | * * |
| 2911 | * Content access functions * |
| 2912 | * * |
| 2913 | ************************************************************************/ |
| 2914 | |
| 2915 | /** |
| 2916 | * xmlDocGetRootElement: |
| 2917 | * @doc: the document |
| 2918 | * |
| 2919 | * Get the root element of the document (doc->children is a list |
| 2920 | * containing possibly comments, PIs, etc ...). |
| 2921 | * |
| 2922 | * Returns the xmlNodePtr for the root or NULL |
| 2923 | */ |
| 2924 | xmlNodePtr |
| 2925 | xmlDocGetRootElement(xmlDocPtr doc) { |
| 2926 | xmlNodePtr ret; |
| 2927 | |
| 2928 | if (doc == NULL) return(NULL); |
| 2929 | ret = doc->children; |
| 2930 | while (ret != NULL) { |
| 2931 | if (ret->type == XML_ELEMENT_NODE) |
| 2932 | return(ret); |
| 2933 | ret = ret->next; |
| 2934 | } |
| 2935 | return(ret); |
| 2936 | } |
| 2937 | |
| 2938 | /** |
| 2939 | * xmlDocSetRootElement: |
| 2940 | * @doc: the document |
| 2941 | * @root: the new document root element |
| 2942 | * |
| 2943 | * Set the root element of the document (doc->children is a list |
| 2944 | * containing possibly comments, PIs, etc ...). |
| 2945 | * |
| 2946 | * Returns the old root element if any was found |
| 2947 | */ |
| 2948 | xmlNodePtr |
| 2949 | xmlDocSetRootElement(xmlDocPtr doc, xmlNodePtr root) { |
| 2950 | xmlNodePtr old = NULL; |
| 2951 | |
| 2952 | if (doc == NULL) return(NULL); |
| 2953 | old = doc->children; |
| 2954 | while (old != NULL) { |
| 2955 | if (old->type == XML_ELEMENT_NODE) |
| 2956 | break; |
| 2957 | old = old->next; |
| 2958 | } |
| 2959 | if (old == NULL) { |
| 2960 | if (doc->children == NULL) { |
| 2961 | doc->children = root; |
| 2962 | doc->last = root; |
| 2963 | } else { |
| 2964 | xmlAddSibling(doc->children, root); |
| 2965 | } |
| 2966 | } else { |
| 2967 | xmlReplaceNode(old, root); |
| 2968 | } |
| 2969 | return(old); |
| 2970 | } |
| 2971 | |
| 2972 | /** |
| 2973 | * xmlNodeSetLang: |
| 2974 | * @cur: the node being changed |
| 2975 | * @lang: the langage description |
| 2976 | * |
| 2977 | * Set the language of a node, i.e. the values of the xml:lang |
| 2978 | * attribute. |
| 2979 | */ |
| 2980 | void |
| 2981 | xmlNodeSetLang(xmlNodePtr cur, const xmlChar *lang) { |
| 2982 | if (cur == NULL) return; |
| 2983 | switch(cur->type) { |
| 2984 | case XML_TEXT_NODE: |
| 2985 | case XML_CDATA_SECTION_NODE: |
| 2986 | case XML_COMMENT_NODE: |
| 2987 | case XML_DOCUMENT_NODE: |
| 2988 | case XML_DOCUMENT_TYPE_NODE: |
| 2989 | case XML_DOCUMENT_FRAG_NODE: |
| 2990 | case XML_NOTATION_NODE: |
| 2991 | case XML_HTML_DOCUMENT_NODE: |
| 2992 | case XML_DTD_NODE: |
| 2993 | case XML_ELEMENT_DECL: |
| 2994 | case XML_ATTRIBUTE_DECL: |
| 2995 | case XML_ENTITY_DECL: |
| 2996 | case XML_PI_NODE: |
| 2997 | case XML_ENTITY_REF_NODE: |
| 2998 | case XML_ENTITY_NODE: |
| 2999 | case XML_NAMESPACE_DECL: |
Daniel Veillard | eae522a | 2001-04-23 13:41:34 +0000 | [diff] [blame] | 3000 | #ifdef LIBXML_DOCB_ENABLED |
| 3001 | case XML_DOCB_DOCUMENT_NODE: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3002 | #endif |
| 3003 | case XML_XINCLUDE_START: |
| 3004 | case XML_XINCLUDE_END: |
| 3005 | return; |
| 3006 | case XML_ELEMENT_NODE: |
| 3007 | case XML_ATTRIBUTE_NODE: |
| 3008 | break; |
| 3009 | } |
| 3010 | xmlSetProp(cur, BAD_CAST "xml:lang", lang); |
| 3011 | } |
| 3012 | |
| 3013 | /** |
| 3014 | * xmlNodeGetLang: |
| 3015 | * @cur: the node being checked |
| 3016 | * |
| 3017 | * Searches the language of a node, i.e. the values of the xml:lang |
| 3018 | * attribute or the one carried by the nearest ancestor. |
| 3019 | * |
| 3020 | * Returns a pointer to the lang value, or NULL if not found |
| 3021 | * It's up to the caller to free the memory. |
| 3022 | */ |
| 3023 | xmlChar * |
| 3024 | xmlNodeGetLang(xmlNodePtr cur) { |
| 3025 | xmlChar *lang; |
| 3026 | |
| 3027 | while (cur != NULL) { |
Daniel Veillard | c17337c | 2001-05-09 10:51:31 +0000 | [diff] [blame] | 3028 | lang = xmlGetNsProp(cur, BAD_CAST "lang", XML_XML_NAMESPACE); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3029 | if (lang != NULL) |
| 3030 | return(lang); |
| 3031 | cur = cur->parent; |
| 3032 | } |
| 3033 | return(NULL); |
| 3034 | } |
| 3035 | |
| 3036 | |
| 3037 | /** |
| 3038 | * xmlNodeSetSpacePreserve: |
| 3039 | * @cur: the node being changed |
| 3040 | * @val: the xml:space value ("0": default, 1: "preserve") |
| 3041 | * |
| 3042 | * Set (or reset) the space preserving behaviour of a node, i.e. the |
| 3043 | * value of the xml:space attribute. |
| 3044 | */ |
| 3045 | void |
| 3046 | xmlNodeSetSpacePreserve(xmlNodePtr cur, int val) { |
| 3047 | if (cur == NULL) return; |
| 3048 | switch(cur->type) { |
| 3049 | case XML_TEXT_NODE: |
| 3050 | case XML_CDATA_SECTION_NODE: |
| 3051 | case XML_COMMENT_NODE: |
| 3052 | case XML_DOCUMENT_NODE: |
| 3053 | case XML_DOCUMENT_TYPE_NODE: |
| 3054 | case XML_DOCUMENT_FRAG_NODE: |
| 3055 | case XML_NOTATION_NODE: |
| 3056 | case XML_HTML_DOCUMENT_NODE: |
| 3057 | case XML_DTD_NODE: |
| 3058 | case XML_ELEMENT_DECL: |
| 3059 | case XML_ATTRIBUTE_DECL: |
| 3060 | case XML_ENTITY_DECL: |
| 3061 | case XML_PI_NODE: |
| 3062 | case XML_ENTITY_REF_NODE: |
| 3063 | case XML_ENTITY_NODE: |
| 3064 | case XML_NAMESPACE_DECL: |
| 3065 | case XML_XINCLUDE_START: |
| 3066 | case XML_XINCLUDE_END: |
Daniel Veillard | eae522a | 2001-04-23 13:41:34 +0000 | [diff] [blame] | 3067 | #ifdef LIBXML_DOCB_ENABLED |
| 3068 | case XML_DOCB_DOCUMENT_NODE: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3069 | #endif |
| 3070 | return; |
| 3071 | case XML_ELEMENT_NODE: |
| 3072 | case XML_ATTRIBUTE_NODE: |
| 3073 | break; |
| 3074 | } |
| 3075 | switch (val) { |
| 3076 | case 0: |
| 3077 | xmlSetProp(cur, BAD_CAST "xml:space", BAD_CAST "default"); |
| 3078 | break; |
| 3079 | case 1: |
| 3080 | xmlSetProp(cur, BAD_CAST "xml:space", |
| 3081 | BAD_CAST "preserve"); |
| 3082 | break; |
| 3083 | } |
| 3084 | } |
| 3085 | |
| 3086 | /** |
| 3087 | * xmlNodeGetSpacePreserve: |
| 3088 | * @cur: the node being checked |
| 3089 | * |
| 3090 | * Searches the space preserving behaviour of a node, i.e. the values |
| 3091 | * of the xml:space attribute or the one carried by the nearest |
| 3092 | * ancestor. |
| 3093 | * |
| 3094 | * Returns -1 if xml:space is not inheried, 0 if "default", 1 if "preserve" |
| 3095 | */ |
| 3096 | int |
| 3097 | xmlNodeGetSpacePreserve(xmlNodePtr cur) { |
| 3098 | xmlChar *space; |
| 3099 | |
| 3100 | while (cur != NULL) { |
| 3101 | space = xmlGetProp(cur, BAD_CAST "xml:space"); |
| 3102 | if (space != NULL) { |
| 3103 | if (xmlStrEqual(space, BAD_CAST "preserve")) { |
| 3104 | xmlFree(space); |
| 3105 | return(1); |
| 3106 | } |
| 3107 | if (xmlStrEqual(space, BAD_CAST "default")) { |
| 3108 | xmlFree(space); |
| 3109 | return(0); |
| 3110 | } |
| 3111 | xmlFree(space); |
| 3112 | } |
| 3113 | cur = cur->parent; |
| 3114 | } |
| 3115 | return(-1); |
| 3116 | } |
| 3117 | |
| 3118 | /** |
| 3119 | * xmlNodeSetName: |
| 3120 | * @cur: the node being changed |
| 3121 | * @name: the new tag name |
| 3122 | * |
| 3123 | * Set (or reset) the name of a node. |
| 3124 | */ |
| 3125 | void |
| 3126 | xmlNodeSetName(xmlNodePtr cur, const xmlChar *name) { |
| 3127 | if (cur == NULL) return; |
| 3128 | if (name == NULL) return; |
| 3129 | switch(cur->type) { |
| 3130 | case XML_TEXT_NODE: |
| 3131 | case XML_CDATA_SECTION_NODE: |
| 3132 | case XML_COMMENT_NODE: |
| 3133 | case XML_DOCUMENT_TYPE_NODE: |
| 3134 | case XML_DOCUMENT_FRAG_NODE: |
| 3135 | case XML_NOTATION_NODE: |
| 3136 | case XML_HTML_DOCUMENT_NODE: |
| 3137 | case XML_NAMESPACE_DECL: |
| 3138 | case XML_XINCLUDE_START: |
| 3139 | case XML_XINCLUDE_END: |
Daniel Veillard | eae522a | 2001-04-23 13:41:34 +0000 | [diff] [blame] | 3140 | #ifdef LIBXML_DOCB_ENABLED |
| 3141 | case XML_DOCB_DOCUMENT_NODE: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3142 | #endif |
| 3143 | return; |
| 3144 | case XML_ELEMENT_NODE: |
| 3145 | case XML_ATTRIBUTE_NODE: |
| 3146 | case XML_PI_NODE: |
| 3147 | case XML_ENTITY_REF_NODE: |
| 3148 | case XML_ENTITY_NODE: |
| 3149 | case XML_DTD_NODE: |
| 3150 | case XML_DOCUMENT_NODE: |
| 3151 | case XML_ELEMENT_DECL: |
| 3152 | case XML_ATTRIBUTE_DECL: |
| 3153 | case XML_ENTITY_DECL: |
| 3154 | break; |
| 3155 | } |
| 3156 | if (cur->name != NULL) xmlFree((xmlChar *) cur->name); |
| 3157 | cur->name = xmlStrdup(name); |
| 3158 | } |
| 3159 | |
| 3160 | /** |
| 3161 | * xmlNodeSetBase: |
| 3162 | * @cur: the node being changed |
| 3163 | * @uri: the new base URI |
| 3164 | * |
| 3165 | * Set (or reset) the base URI of a node, i.e. the value of the |
| 3166 | * xml:base attribute. |
| 3167 | */ |
| 3168 | void |
| 3169 | xmlNodeSetBase(xmlNodePtr cur, xmlChar* uri) { |
| 3170 | if (cur == NULL) return; |
| 3171 | switch(cur->type) { |
| 3172 | case XML_TEXT_NODE: |
| 3173 | case XML_CDATA_SECTION_NODE: |
| 3174 | case XML_COMMENT_NODE: |
| 3175 | case XML_DOCUMENT_NODE: |
| 3176 | case XML_DOCUMENT_TYPE_NODE: |
| 3177 | case XML_DOCUMENT_FRAG_NODE: |
| 3178 | case XML_NOTATION_NODE: |
| 3179 | case XML_HTML_DOCUMENT_NODE: |
| 3180 | case XML_DTD_NODE: |
| 3181 | case XML_ELEMENT_DECL: |
| 3182 | case XML_ATTRIBUTE_DECL: |
| 3183 | case XML_ENTITY_DECL: |
| 3184 | case XML_PI_NODE: |
| 3185 | case XML_ENTITY_REF_NODE: |
| 3186 | case XML_ENTITY_NODE: |
| 3187 | case XML_NAMESPACE_DECL: |
| 3188 | case XML_XINCLUDE_START: |
| 3189 | case XML_XINCLUDE_END: |
Daniel Veillard | eae522a | 2001-04-23 13:41:34 +0000 | [diff] [blame] | 3190 | #ifdef LIBXML_DOCB_ENABLED |
| 3191 | case XML_DOCB_DOCUMENT_NODE: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3192 | #endif |
| 3193 | return; |
| 3194 | case XML_ELEMENT_NODE: |
| 3195 | case XML_ATTRIBUTE_NODE: |
| 3196 | break; |
| 3197 | } |
| 3198 | xmlSetProp(cur, BAD_CAST "xml:base", uri); |
| 3199 | } |
| 3200 | |
| 3201 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3202 | * xmlNodeGetBase: |
| 3203 | * @doc: the document the node pertains to |
| 3204 | * @cur: the node being checked |
| 3205 | * |
| 3206 | * Searches for the BASE URL. The code should work on both XML |
| 3207 | * and HTML document even if base mechanisms are completely different. |
| 3208 | * It returns the base as defined in RFC 2396 sections |
| 3209 | * 5.1.1. Base URI within Document Content |
| 3210 | * and |
| 3211 | * 5.1.2. Base URI from the Encapsulating Entity |
| 3212 | * However it does not return the document base (5.1.3), use |
| 3213 | * xmlDocumentGetBase() for this |
| 3214 | * |
| 3215 | * Returns a pointer to the base URL, or NULL if not found |
| 3216 | * It's up to the caller to free the memory. |
| 3217 | */ |
| 3218 | xmlChar * |
| 3219 | xmlNodeGetBase(xmlDocPtr doc, xmlNodePtr cur) { |
| 3220 | xmlChar *base; |
| 3221 | |
| 3222 | if ((cur == NULL) && (doc == NULL)) |
| 3223 | return(NULL); |
| 3224 | if (doc == NULL) doc = cur->doc; |
| 3225 | if ((doc != NULL) && (doc->type == XML_HTML_DOCUMENT_NODE)) { |
| 3226 | cur = doc->children; |
| 3227 | while ((cur != NULL) && (cur->name != NULL)) { |
| 3228 | if (cur->type != XML_ELEMENT_NODE) { |
| 3229 | cur = cur->next; |
| 3230 | continue; |
| 3231 | } |
| 3232 | if (!xmlStrcasecmp(cur->name, BAD_CAST "html")) { |
| 3233 | cur = cur->children; |
| 3234 | continue; |
| 3235 | } |
| 3236 | if (!xmlStrcasecmp(cur->name, BAD_CAST "head")) { |
| 3237 | cur = cur->children; |
| 3238 | continue; |
| 3239 | } |
| 3240 | if (!xmlStrcasecmp(cur->name, BAD_CAST "base")) { |
| 3241 | return(xmlGetProp(cur, BAD_CAST "href")); |
| 3242 | } |
| 3243 | cur = cur->next; |
| 3244 | } |
| 3245 | return(NULL); |
| 3246 | } |
| 3247 | while (cur != NULL) { |
| 3248 | if (cur->type == XML_ENTITY_DECL) { |
| 3249 | xmlEntityPtr ent = (xmlEntityPtr) cur; |
| 3250 | return(xmlStrdup(ent->URI)); |
| 3251 | } |
| 3252 | base = xmlGetProp(cur, BAD_CAST "xml:base"); |
| 3253 | if (base != NULL) |
| 3254 | return(base); |
| 3255 | cur = cur->parent; |
| 3256 | } |
| 3257 | if ((doc != NULL) && (doc->URL != NULL)) |
| 3258 | return(xmlStrdup(doc->URL)); |
| 3259 | return(NULL); |
| 3260 | } |
| 3261 | |
| 3262 | /** |
| 3263 | * xmlNodeGetContent: |
| 3264 | * @cur: the node being read |
| 3265 | * |
| 3266 | * Read the value of a node, this can be either the text carried |
| 3267 | * directly by this node if it's a TEXT node or the aggregate string |
| 3268 | * of the values carried by this node child's (TEXT and ENTITY_REF). |
| 3269 | * Entity references are substitued. |
| 3270 | * Returns a new xmlChar * or NULL if no content is available. |
| 3271 | * It's up to the caller to free the memory. |
| 3272 | */ |
| 3273 | xmlChar * |
| 3274 | xmlNodeGetContent(xmlNodePtr cur) { |
| 3275 | if (cur == NULL) return(NULL); |
| 3276 | switch (cur->type) { |
| 3277 | case XML_DOCUMENT_FRAG_NODE: |
| 3278 | case XML_ELEMENT_NODE: { |
| 3279 | xmlNodePtr tmp = cur; |
| 3280 | xmlBufferPtr buffer; |
| 3281 | xmlChar *ret; |
| 3282 | |
| 3283 | buffer = xmlBufferCreate(); |
| 3284 | if (buffer == NULL) |
| 3285 | return(NULL); |
| 3286 | while (tmp != NULL) { |
| 3287 | switch (tmp->type) { |
| 3288 | case XML_ELEMENT_NODE: |
| 3289 | case XML_TEXT_NODE: |
| 3290 | if (tmp->content != NULL) |
| 3291 | #ifndef XML_USE_BUFFER_CONTENT |
| 3292 | xmlBufferCat(buffer, tmp->content); |
| 3293 | #else |
| 3294 | xmlBufferCat(buffer, |
| 3295 | xmlBufferContent(tmp->content)); |
| 3296 | #endif |
| 3297 | break; |
| 3298 | case XML_ENTITY_REF_NODE: { |
| 3299 | xmlEntityPtr ent; |
| 3300 | |
| 3301 | ent = xmlGetDocEntity(cur->doc, tmp->name); |
| 3302 | if (ent != NULL) |
| 3303 | xmlBufferCat(buffer, ent->content); |
| 3304 | } |
| 3305 | default: |
| 3306 | break; |
| 3307 | } |
| 3308 | /* |
| 3309 | * Skip to next node |
| 3310 | */ |
| 3311 | if (tmp->children != NULL) { |
| 3312 | if (tmp->children->type != XML_ENTITY_DECL) { |
| 3313 | tmp = tmp->children; |
| 3314 | continue; |
| 3315 | } |
| 3316 | } |
Daniel Veillard | 6c83120 | 2001-03-07 15:57:53 +0000 | [diff] [blame] | 3317 | if (tmp == cur) |
| 3318 | break; |
| 3319 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3320 | if (tmp->next != NULL) { |
| 3321 | tmp = tmp->next; |
| 3322 | continue; |
| 3323 | } |
| 3324 | |
| 3325 | do { |
| 3326 | tmp = tmp->parent; |
| 3327 | if (tmp == NULL) |
| 3328 | break; |
Daniel Veillard | 6c83120 | 2001-03-07 15:57:53 +0000 | [diff] [blame] | 3329 | if (tmp == cur) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3330 | tmp = NULL; |
| 3331 | break; |
| 3332 | } |
| 3333 | if (tmp->next != NULL) { |
| 3334 | tmp = tmp->next; |
| 3335 | break; |
| 3336 | } |
| 3337 | } while (tmp != NULL); |
| 3338 | } |
| 3339 | ret = buffer->content; |
| 3340 | buffer->content = NULL; |
| 3341 | xmlBufferFree(buffer); |
| 3342 | return(ret); |
| 3343 | } |
| 3344 | case XML_ATTRIBUTE_NODE: { |
| 3345 | xmlAttrPtr attr = (xmlAttrPtr) cur; |
| 3346 | if (attr->parent != NULL) |
| 3347 | return(xmlNodeListGetString(attr->parent->doc, attr->children, 1)); |
| 3348 | else |
| 3349 | return(xmlNodeListGetString(NULL, attr->children, 1)); |
| 3350 | break; |
| 3351 | } |
| 3352 | case XML_COMMENT_NODE: |
| 3353 | case XML_PI_NODE: |
| 3354 | if (cur->content != NULL) |
| 3355 | #ifndef XML_USE_BUFFER_CONTENT |
| 3356 | return(xmlStrdup(cur->content)); |
| 3357 | #else |
| 3358 | return(xmlStrdup(xmlBufferContent(cur->content))); |
| 3359 | #endif |
| 3360 | return(NULL); |
| 3361 | case XML_ENTITY_REF_NODE: |
| 3362 | /* |
| 3363 | * Locate the entity, and get it's content |
| 3364 | * @@@ |
| 3365 | */ |
| 3366 | return(NULL); |
| 3367 | case XML_ENTITY_NODE: |
| 3368 | case XML_DOCUMENT_NODE: |
| 3369 | case XML_HTML_DOCUMENT_NODE: |
| 3370 | case XML_DOCUMENT_TYPE_NODE: |
| 3371 | case XML_NOTATION_NODE: |
| 3372 | case XML_DTD_NODE: |
| 3373 | case XML_XINCLUDE_START: |
| 3374 | case XML_XINCLUDE_END: |
Daniel Veillard | eae522a | 2001-04-23 13:41:34 +0000 | [diff] [blame] | 3375 | #ifdef LIBXML_DOCB_ENABLED |
| 3376 | case XML_DOCB_DOCUMENT_NODE: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3377 | #endif |
| 3378 | return(NULL); |
| 3379 | case XML_NAMESPACE_DECL: |
| 3380 | return(xmlStrdup(((xmlNsPtr)cur)->href)); |
| 3381 | case XML_ELEMENT_DECL: |
| 3382 | /* TODO !!! */ |
| 3383 | return(NULL); |
| 3384 | case XML_ATTRIBUTE_DECL: |
| 3385 | /* TODO !!! */ |
| 3386 | return(NULL); |
| 3387 | case XML_ENTITY_DECL: |
| 3388 | /* TODO !!! */ |
| 3389 | return(NULL); |
| 3390 | case XML_CDATA_SECTION_NODE: |
| 3391 | case XML_TEXT_NODE: |
| 3392 | if (cur->content != NULL) |
| 3393 | #ifndef XML_USE_BUFFER_CONTENT |
| 3394 | return(xmlStrdup(cur->content)); |
| 3395 | #else |
| 3396 | return(xmlStrdup(xmlBufferContent(cur->content))); |
| 3397 | #endif |
| 3398 | return(NULL); |
| 3399 | } |
| 3400 | return(NULL); |
| 3401 | } |
| 3402 | |
| 3403 | /** |
| 3404 | * xmlNodeSetContent: |
| 3405 | * @cur: the node being modified |
| 3406 | * @content: the new value of the content |
| 3407 | * |
| 3408 | * Replace the content of a node. |
| 3409 | */ |
| 3410 | void |
| 3411 | xmlNodeSetContent(xmlNodePtr cur, const xmlChar *content) { |
| 3412 | if (cur == NULL) { |
| 3413 | #ifdef DEBUG_TREE |
| 3414 | xmlGenericError(xmlGenericErrorContext, |
| 3415 | "xmlNodeSetContent : node == NULL\n"); |
| 3416 | #endif |
| 3417 | return; |
| 3418 | } |
| 3419 | switch (cur->type) { |
| 3420 | case XML_DOCUMENT_FRAG_NODE: |
| 3421 | case XML_ELEMENT_NODE: |
| 3422 | if (cur->content != NULL) { |
| 3423 | #ifndef XML_USE_BUFFER_CONTENT |
| 3424 | xmlFree(cur->content); |
| 3425 | #else |
| 3426 | xmlBufferFree(cur->content); |
| 3427 | #endif |
| 3428 | cur->content = NULL; |
| 3429 | } |
| 3430 | if (cur->children != NULL) xmlFreeNodeList(cur->children); |
| 3431 | cur->children = xmlStringGetNodeList(cur->doc, content); |
| 3432 | UPDATE_LAST_CHILD_AND_PARENT(cur) |
| 3433 | break; |
| 3434 | case XML_ATTRIBUTE_NODE: |
| 3435 | break; |
| 3436 | case XML_TEXT_NODE: |
| 3437 | case XML_CDATA_SECTION_NODE: |
| 3438 | case XML_ENTITY_REF_NODE: |
| 3439 | case XML_ENTITY_NODE: |
| 3440 | case XML_PI_NODE: |
| 3441 | case XML_COMMENT_NODE: |
| 3442 | if (cur->content != NULL) { |
| 3443 | #ifndef XML_USE_BUFFER_CONTENT |
| 3444 | xmlFree(cur->content); |
| 3445 | #else |
| 3446 | xmlBufferFree(cur->content); |
| 3447 | #endif |
| 3448 | } |
| 3449 | if (cur->children != NULL) xmlFreeNodeList(cur->children); |
| 3450 | cur->last = cur->children = NULL; |
| 3451 | if (content != NULL) { |
| 3452 | #ifndef XML_USE_BUFFER_CONTENT |
| 3453 | cur->content = xmlStrdup(content); |
| 3454 | #else |
| 3455 | cur->content = xmlBufferCreateSize(0); |
| 3456 | xmlBufferSetAllocationScheme(cur->content, |
| 3457 | xmlGetBufferAllocationScheme()); |
| 3458 | xmlBufferAdd(cur->content, content, -1); |
| 3459 | #endif |
| 3460 | } else |
| 3461 | cur->content = NULL; |
| 3462 | break; |
| 3463 | case XML_DOCUMENT_NODE: |
| 3464 | case XML_HTML_DOCUMENT_NODE: |
| 3465 | case XML_DOCUMENT_TYPE_NODE: |
| 3466 | case XML_XINCLUDE_START: |
| 3467 | case XML_XINCLUDE_END: |
Daniel Veillard | eae522a | 2001-04-23 13:41:34 +0000 | [diff] [blame] | 3468 | #ifdef LIBXML_DOCB_ENABLED |
| 3469 | case XML_DOCB_DOCUMENT_NODE: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3470 | #endif |
| 3471 | break; |
| 3472 | case XML_NOTATION_NODE: |
| 3473 | break; |
| 3474 | case XML_DTD_NODE: |
| 3475 | break; |
| 3476 | case XML_NAMESPACE_DECL: |
| 3477 | break; |
| 3478 | case XML_ELEMENT_DECL: |
| 3479 | /* TODO !!! */ |
| 3480 | break; |
| 3481 | case XML_ATTRIBUTE_DECL: |
| 3482 | /* TODO !!! */ |
| 3483 | break; |
| 3484 | case XML_ENTITY_DECL: |
| 3485 | /* TODO !!! */ |
| 3486 | break; |
| 3487 | } |
| 3488 | } |
| 3489 | |
| 3490 | /** |
| 3491 | * xmlNodeSetContentLen: |
| 3492 | * @cur: the node being modified |
| 3493 | * @content: the new value of the content |
| 3494 | * @len: the size of @content |
| 3495 | * |
| 3496 | * Replace the content of a node. |
| 3497 | */ |
| 3498 | void |
| 3499 | xmlNodeSetContentLen(xmlNodePtr cur, const xmlChar *content, int len) { |
| 3500 | if (cur == NULL) { |
| 3501 | #ifdef DEBUG_TREE |
| 3502 | xmlGenericError(xmlGenericErrorContext, |
| 3503 | "xmlNodeSetContentLen : node == NULL\n"); |
| 3504 | #endif |
| 3505 | return; |
| 3506 | } |
| 3507 | switch (cur->type) { |
| 3508 | case XML_DOCUMENT_FRAG_NODE: |
| 3509 | case XML_ELEMENT_NODE: |
| 3510 | if (cur->content != NULL) { |
| 3511 | #ifndef XML_USE_BUFFER_CONTENT |
| 3512 | xmlFree(cur->content); |
| 3513 | #else |
| 3514 | xmlBufferFree(cur->content); |
| 3515 | #endif |
| 3516 | cur->content = NULL; |
| 3517 | } |
| 3518 | if (cur->children != NULL) xmlFreeNodeList(cur->children); |
| 3519 | cur->children = xmlStringLenGetNodeList(cur->doc, content, len); |
| 3520 | UPDATE_LAST_CHILD_AND_PARENT(cur) |
| 3521 | break; |
| 3522 | case XML_ATTRIBUTE_NODE: |
| 3523 | break; |
| 3524 | case XML_TEXT_NODE: |
| 3525 | case XML_CDATA_SECTION_NODE: |
| 3526 | case XML_ENTITY_REF_NODE: |
| 3527 | case XML_ENTITY_NODE: |
| 3528 | case XML_PI_NODE: |
| 3529 | case XML_COMMENT_NODE: |
| 3530 | case XML_NOTATION_NODE: |
| 3531 | if (cur->content != NULL) { |
| 3532 | #ifndef XML_USE_BUFFER_CONTENT |
| 3533 | xmlFree(cur->content); |
| 3534 | #else |
| 3535 | xmlBufferFree(cur->content); |
| 3536 | #endif |
| 3537 | } |
| 3538 | if (cur->children != NULL) xmlFreeNodeList(cur->children); |
| 3539 | cur->children = cur->last = NULL; |
| 3540 | if (content != NULL) { |
| 3541 | #ifndef XML_USE_BUFFER_CONTENT |
| 3542 | cur->content = xmlStrndup(content, len); |
| 3543 | #else |
| 3544 | cur->content = xmlBufferCreateSize(len); |
| 3545 | xmlBufferSetAllocationScheme(cur->content, |
| 3546 | xmlGetBufferAllocationScheme()); |
| 3547 | xmlBufferAdd(cur->content, content, len); |
| 3548 | #endif |
| 3549 | } else |
| 3550 | cur->content = NULL; |
| 3551 | break; |
| 3552 | case XML_DOCUMENT_NODE: |
| 3553 | case XML_DTD_NODE: |
| 3554 | case XML_HTML_DOCUMENT_NODE: |
| 3555 | case XML_DOCUMENT_TYPE_NODE: |
| 3556 | case XML_NAMESPACE_DECL: |
| 3557 | case XML_XINCLUDE_START: |
| 3558 | case XML_XINCLUDE_END: |
Daniel Veillard | eae522a | 2001-04-23 13:41:34 +0000 | [diff] [blame] | 3559 | #ifdef LIBXML_DOCB_ENABLED |
| 3560 | case XML_DOCB_DOCUMENT_NODE: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3561 | #endif |
| 3562 | break; |
| 3563 | case XML_ELEMENT_DECL: |
| 3564 | /* TODO !!! */ |
| 3565 | break; |
| 3566 | case XML_ATTRIBUTE_DECL: |
| 3567 | /* TODO !!! */ |
| 3568 | break; |
| 3569 | case XML_ENTITY_DECL: |
| 3570 | /* TODO !!! */ |
| 3571 | break; |
| 3572 | } |
| 3573 | } |
| 3574 | |
| 3575 | /** |
| 3576 | * xmlNodeAddContentLen: |
| 3577 | * @cur: the node being modified |
| 3578 | * @content: extra content |
| 3579 | * @len: the size of @content |
| 3580 | * |
| 3581 | * Append the extra substring to the node content. |
| 3582 | */ |
| 3583 | void |
| 3584 | xmlNodeAddContentLen(xmlNodePtr cur, const xmlChar *content, int len) { |
| 3585 | if (cur == NULL) { |
| 3586 | #ifdef DEBUG_TREE |
| 3587 | xmlGenericError(xmlGenericErrorContext, |
| 3588 | "xmlNodeAddContentLen : node == NULL\n"); |
| 3589 | #endif |
| 3590 | return; |
| 3591 | } |
| 3592 | if (len <= 0) return; |
| 3593 | switch (cur->type) { |
| 3594 | case XML_DOCUMENT_FRAG_NODE: |
| 3595 | case XML_ELEMENT_NODE: { |
| 3596 | xmlNodePtr last = NULL, newNode; |
| 3597 | |
| 3598 | if (cur->children != NULL) { |
| 3599 | last = cur->last; |
| 3600 | } else { |
| 3601 | if (cur->content != NULL) { |
| 3602 | #ifndef XML_USE_BUFFER_CONTENT |
| 3603 | cur->children = xmlStringGetNodeList(cur->doc, cur->content); |
| 3604 | #else |
| 3605 | cur->children = xmlStringGetNodeList(cur->doc, |
| 3606 | xmlBufferContent(cur->content)); |
| 3607 | #endif |
| 3608 | UPDATE_LAST_CHILD_AND_PARENT(cur) |
| 3609 | #ifndef XML_USE_BUFFER_CONTENT |
| 3610 | xmlFree(cur->content); |
| 3611 | #else |
| 3612 | xmlBufferFree(cur->content); |
| 3613 | #endif |
| 3614 | cur->content = NULL; |
| 3615 | last = cur->last; |
| 3616 | } |
| 3617 | } |
| 3618 | newNode = xmlNewTextLen(content, len); |
| 3619 | if (newNode != NULL) { |
| 3620 | xmlAddChild(cur, newNode); |
| 3621 | if ((last != NULL) && (last->next == newNode)) { |
| 3622 | xmlTextMerge(last, newNode); |
| 3623 | } |
| 3624 | } |
| 3625 | break; |
| 3626 | } |
| 3627 | case XML_ATTRIBUTE_NODE: |
| 3628 | break; |
| 3629 | case XML_TEXT_NODE: |
| 3630 | case XML_CDATA_SECTION_NODE: |
| 3631 | case XML_ENTITY_REF_NODE: |
| 3632 | case XML_ENTITY_NODE: |
| 3633 | case XML_PI_NODE: |
| 3634 | case XML_COMMENT_NODE: |
| 3635 | case XML_NOTATION_NODE: |
| 3636 | if (content != NULL) { |
| 3637 | #ifndef XML_USE_BUFFER_CONTENT |
| 3638 | cur->content = xmlStrncat(cur->content, content, len); |
| 3639 | #else |
| 3640 | xmlBufferAdd(cur->content, content, len); |
| 3641 | #endif |
| 3642 | } |
| 3643 | case XML_DOCUMENT_NODE: |
| 3644 | case XML_DTD_NODE: |
| 3645 | case XML_HTML_DOCUMENT_NODE: |
| 3646 | case XML_DOCUMENT_TYPE_NODE: |
| 3647 | case XML_NAMESPACE_DECL: |
| 3648 | case XML_XINCLUDE_START: |
| 3649 | case XML_XINCLUDE_END: |
Daniel Veillard | eae522a | 2001-04-23 13:41:34 +0000 | [diff] [blame] | 3650 | #ifdef LIBXML_DOCB_ENABLED |
| 3651 | case XML_DOCB_DOCUMENT_NODE: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3652 | #endif |
| 3653 | break; |
| 3654 | case XML_ELEMENT_DECL: |
| 3655 | case XML_ATTRIBUTE_DECL: |
| 3656 | case XML_ENTITY_DECL: |
| 3657 | break; |
| 3658 | } |
| 3659 | } |
| 3660 | |
| 3661 | /** |
| 3662 | * xmlNodeAddContent: |
| 3663 | * @cur: the node being modified |
| 3664 | * @content: extra content |
| 3665 | * |
| 3666 | * Append the extra substring to the node content. |
| 3667 | */ |
| 3668 | void |
| 3669 | xmlNodeAddContent(xmlNodePtr cur, const xmlChar *content) { |
| 3670 | int len; |
| 3671 | |
| 3672 | if (cur == NULL) { |
| 3673 | #ifdef DEBUG_TREE |
| 3674 | xmlGenericError(xmlGenericErrorContext, |
| 3675 | "xmlNodeAddContent : node == NULL\n"); |
| 3676 | #endif |
| 3677 | return; |
| 3678 | } |
| 3679 | if (content == NULL) return; |
| 3680 | len = xmlStrlen(content); |
| 3681 | xmlNodeAddContentLen(cur, content, len); |
| 3682 | } |
| 3683 | |
| 3684 | /** |
| 3685 | * xmlTextMerge: |
| 3686 | * @first: the first text node |
| 3687 | * @second: the second text node being merged |
| 3688 | * |
| 3689 | * Merge two text nodes into one |
| 3690 | * Returns the first text node augmented |
| 3691 | */ |
| 3692 | xmlNodePtr |
| 3693 | xmlTextMerge(xmlNodePtr first, xmlNodePtr second) { |
| 3694 | if (first == NULL) return(second); |
| 3695 | if (second == NULL) return(first); |
| 3696 | if (first->type != XML_TEXT_NODE) return(first); |
| 3697 | if (second->type != XML_TEXT_NODE) return(first); |
| 3698 | if (second->name != first->name) |
| 3699 | return(first); |
| 3700 | #ifndef XML_USE_BUFFER_CONTENT |
| 3701 | xmlNodeAddContent(first, second->content); |
| 3702 | #else |
| 3703 | xmlNodeAddContent(first, xmlBufferContent(second->content)); |
| 3704 | #endif |
| 3705 | xmlUnlinkNode(second); |
| 3706 | xmlFreeNode(second); |
| 3707 | return(first); |
| 3708 | } |
| 3709 | |
| 3710 | /** |
| 3711 | * xmlGetNsList: |
| 3712 | * @doc: the document |
| 3713 | * @node: the current node |
| 3714 | * |
| 3715 | * Search all the namespace applying to a given element. |
| 3716 | * Returns an NULL terminated array of all the xmlNsPtr found |
| 3717 | * that need to be freed by the caller or NULL if no |
| 3718 | * namespace if defined |
| 3719 | */ |
| 3720 | xmlNsPtr * |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 3721 | xmlGetNsList(xmlDocPtr doc ATTRIBUTE_UNUSED, xmlNodePtr node) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3722 | xmlNsPtr cur; |
| 3723 | xmlNsPtr *ret = NULL; |
| 3724 | int nbns = 0; |
| 3725 | int maxns = 10; |
| 3726 | int i; |
| 3727 | |
| 3728 | while (node != NULL) { |
| 3729 | cur = node->nsDef; |
| 3730 | while (cur != NULL) { |
| 3731 | if (ret == NULL) { |
| 3732 | ret = (xmlNsPtr *) xmlMalloc((maxns + 1) * sizeof(xmlNsPtr)); |
| 3733 | if (ret == NULL) { |
| 3734 | xmlGenericError(xmlGenericErrorContext, |
| 3735 | "xmlGetNsList : out of memory!\n"); |
| 3736 | return(NULL); |
| 3737 | } |
| 3738 | ret[nbns] = NULL; |
| 3739 | } |
| 3740 | for (i = 0;i < nbns;i++) { |
| 3741 | if ((cur->prefix == ret[i]->prefix) || |
| 3742 | (xmlStrEqual(cur->prefix, ret[i]->prefix))) break; |
| 3743 | } |
| 3744 | if (i >= nbns) { |
| 3745 | if (nbns >= maxns) { |
| 3746 | maxns *= 2; |
| 3747 | ret = (xmlNsPtr *) xmlRealloc(ret, |
| 3748 | (maxns + 1) * sizeof(xmlNsPtr)); |
| 3749 | if (ret == NULL) { |
| 3750 | xmlGenericError(xmlGenericErrorContext, |
| 3751 | "xmlGetNsList : realloc failed!\n"); |
| 3752 | return(NULL); |
| 3753 | } |
| 3754 | } |
| 3755 | ret[nbns++] = cur; |
| 3756 | ret[nbns] = NULL; |
| 3757 | } |
| 3758 | |
| 3759 | cur = cur->next; |
| 3760 | } |
| 3761 | node = node->parent; |
| 3762 | } |
| 3763 | return(ret); |
| 3764 | } |
| 3765 | |
| 3766 | /** |
| 3767 | * xmlSearchNs: |
| 3768 | * @doc: the document |
| 3769 | * @node: the current node |
Daniel Veillard | 7785171 | 2001-02-27 21:54:07 +0000 | [diff] [blame] | 3770 | * @nameSpace: the namespace prefix |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3771 | * |
| 3772 | * Search a Ns registered under a given name space for a document. |
| 3773 | * recurse on the parents until it finds the defined namespace |
| 3774 | * or return NULL otherwise. |
| 3775 | * @nameSpace can be NULL, this is a search for the default namespace. |
| 3776 | * We don't allow to cross entities boundaries. If you don't declare |
| 3777 | * the namespace within those you will be in troubles !!! A warning |
| 3778 | * is generated to cover this case. |
| 3779 | * |
| 3780 | * Returns the namespace pointer or NULL. |
| 3781 | */ |
| 3782 | xmlNsPtr |
| 3783 | xmlSearchNs(xmlDocPtr doc, xmlNodePtr node, const xmlChar *nameSpace) { |
| 3784 | xmlNsPtr cur; |
| 3785 | |
| 3786 | if (node == NULL) return(NULL); |
| 3787 | if ((nameSpace != NULL) && |
| 3788 | (xmlStrEqual(nameSpace, (const xmlChar *)"xml"))) { |
| 3789 | if (doc->oldNs == NULL) { |
| 3790 | /* |
| 3791 | * Allocate a new Namespace and fill the fields. |
| 3792 | */ |
| 3793 | doc->oldNs = (xmlNsPtr) xmlMalloc(sizeof(xmlNs)); |
| 3794 | if (doc->oldNs == NULL) { |
| 3795 | xmlGenericError(xmlGenericErrorContext, |
| 3796 | "xmlSearchNsByHref : malloc failed\n"); |
| 3797 | return(NULL); |
| 3798 | } |
| 3799 | memset(doc->oldNs, 0, sizeof(xmlNs)); |
| 3800 | doc->oldNs->type = XML_LOCAL_NAMESPACE; |
| 3801 | |
| 3802 | doc->oldNs->href = xmlStrdup(XML_XML_NAMESPACE); |
| 3803 | doc->oldNs->prefix = xmlStrdup((const xmlChar *)"xml"); |
| 3804 | } |
| 3805 | return(doc->oldNs); |
| 3806 | } |
| 3807 | while (node != NULL) { |
| 3808 | if ((node->type == XML_ENTITY_REF_NODE) || |
| 3809 | (node->type == XML_ENTITY_NODE) || |
| 3810 | (node->type == XML_ENTITY_DECL)) |
| 3811 | return(NULL); |
| 3812 | if (node->type == XML_ELEMENT_NODE) { |
| 3813 | cur = node->nsDef; |
| 3814 | while (cur != NULL) { |
| 3815 | if ((cur->prefix == NULL) && (nameSpace == NULL) && |
| 3816 | (cur->href != NULL)) |
| 3817 | return(cur); |
| 3818 | if ((cur->prefix != NULL) && (nameSpace != NULL) && |
| 3819 | (cur->href != NULL) && |
| 3820 | (xmlStrEqual(cur->prefix, nameSpace))) |
| 3821 | return(cur); |
| 3822 | cur = cur->next; |
| 3823 | } |
| 3824 | } |
| 3825 | node = node->parent; |
| 3826 | } |
| 3827 | return(NULL); |
| 3828 | } |
| 3829 | |
| 3830 | /** |
| 3831 | * xmlSearchNsByHref: |
| 3832 | * @doc: the document |
| 3833 | * @node: the current node |
| 3834 | * @href: the namespace value |
| 3835 | * |
| 3836 | * Search a Ns aliasing a given URI. Recurse on the parents until it finds |
| 3837 | * the defined namespace or return NULL otherwise. |
| 3838 | * Returns the namespace pointer or NULL. |
| 3839 | */ |
| 3840 | xmlNsPtr |
| 3841 | xmlSearchNsByHref(xmlDocPtr doc, xmlNodePtr node, const xmlChar *href) { |
| 3842 | xmlNsPtr cur; |
| 3843 | xmlNodePtr orig = node; |
| 3844 | |
| 3845 | if ((node == NULL) || (href == NULL)) return(NULL); |
| 3846 | if (xmlStrEqual(href, XML_XML_NAMESPACE)) { |
| 3847 | if (doc->oldNs == NULL) { |
| 3848 | /* |
| 3849 | * Allocate a new Namespace and fill the fields. |
| 3850 | */ |
| 3851 | doc->oldNs = (xmlNsPtr) xmlMalloc(sizeof(xmlNs)); |
| 3852 | if (doc->oldNs == NULL) { |
| 3853 | xmlGenericError(xmlGenericErrorContext, |
| 3854 | "xmlSearchNsByHref : malloc failed\n"); |
| 3855 | return(NULL); |
| 3856 | } |
| 3857 | memset(doc->oldNs, 0, sizeof(xmlNs)); |
| 3858 | doc->oldNs->type = XML_LOCAL_NAMESPACE; |
| 3859 | |
| 3860 | doc->oldNs->href = xmlStrdup(XML_XML_NAMESPACE); |
| 3861 | doc->oldNs->prefix = xmlStrdup((const xmlChar *)"xml"); |
| 3862 | } |
| 3863 | return(doc->oldNs); |
| 3864 | } |
| 3865 | while (node != NULL) { |
| 3866 | cur = node->nsDef; |
| 3867 | while (cur != NULL) { |
| 3868 | if ((cur->href != NULL) && (href != NULL) && |
| 3869 | (xmlStrEqual(cur->href, href))) { |
| 3870 | /* |
| 3871 | * Check that the prefix is not shadowed between orig and node |
| 3872 | */ |
| 3873 | xmlNodePtr check = orig; |
| 3874 | xmlNsPtr tst; |
| 3875 | |
| 3876 | while (check != node) { |
| 3877 | tst = check->nsDef; |
| 3878 | while (tst != NULL) { |
| 3879 | if ((tst->prefix == NULL) && (cur->prefix == NULL)) |
| 3880 | goto shadowed; |
| 3881 | if ((tst->prefix != NULL) && (cur->prefix != NULL) && |
| 3882 | (xmlStrEqual(tst->prefix, cur->prefix))) |
| 3883 | goto shadowed; |
| 3884 | tst = tst->next; |
| 3885 | } |
| 3886 | check = check->parent; |
| 3887 | } |
| 3888 | return(cur); |
| 3889 | } |
| 3890 | shadowed: |
| 3891 | cur = cur->next; |
| 3892 | } |
| 3893 | node = node->parent; |
| 3894 | } |
| 3895 | return(NULL); |
| 3896 | } |
| 3897 | |
| 3898 | /** |
| 3899 | * xmlNewReconciliedNs |
| 3900 | * @doc: the document |
| 3901 | * @tree: a node expected to hold the new namespace |
| 3902 | * @ns: the original namespace |
| 3903 | * |
| 3904 | * This function tries to locate a namespace definition in a tree |
| 3905 | * ancestors, or create a new namespace definition node similar to |
| 3906 | * @ns trying to reuse the same prefix. However if the given prefix is |
| 3907 | * null (default namespace) or reused within the subtree defined by |
| 3908 | * @tree or on one of its ancestors then a new prefix is generated. |
| 3909 | * Returns the (new) namespace definition or NULL in case of error |
| 3910 | */ |
| 3911 | xmlNsPtr |
| 3912 | xmlNewReconciliedNs(xmlDocPtr doc, xmlNodePtr tree, xmlNsPtr ns) { |
| 3913 | xmlNsPtr def; |
| 3914 | xmlChar prefix[50]; |
| 3915 | int counter = 1; |
| 3916 | |
| 3917 | if (tree == NULL) { |
| 3918 | #ifdef DEBUG_TREE |
| 3919 | xmlGenericError(xmlGenericErrorContext, |
| 3920 | "xmlNewReconciliedNs : tree == NULL\n"); |
| 3921 | #endif |
| 3922 | return(NULL); |
| 3923 | } |
| 3924 | if (ns == NULL) { |
| 3925 | #ifdef DEBUG_TREE |
| 3926 | xmlGenericError(xmlGenericErrorContext, |
| 3927 | "xmlNewReconciliedNs : ns == NULL\n"); |
| 3928 | #endif |
| 3929 | return(NULL); |
| 3930 | } |
| 3931 | /* |
| 3932 | * Search an existing namespace definition inherited. |
| 3933 | */ |
| 3934 | def = xmlSearchNsByHref(doc, tree, ns->href); |
| 3935 | if (def != NULL) |
| 3936 | return(def); |
| 3937 | |
| 3938 | /* |
| 3939 | * Find a close prefix which is not already in use. |
| 3940 | * Let's strip namespace prefixes longer than 20 chars ! |
| 3941 | */ |
| 3942 | sprintf((char *) prefix, "%.20s", ns->prefix); |
| 3943 | def = xmlSearchNs(doc, tree, prefix); |
| 3944 | while (def != NULL) { |
| 3945 | if (counter > 1000) return(NULL); |
| 3946 | sprintf((char *) prefix, "%.20s%d", ns->prefix, counter++); |
| 3947 | def = xmlSearchNs(doc, tree, prefix); |
| 3948 | } |
| 3949 | |
| 3950 | /* |
| 3951 | * Ok, now we are ready to create a new one. |
| 3952 | */ |
| 3953 | def = xmlNewNs(tree, ns->href, prefix); |
| 3954 | return(def); |
| 3955 | } |
| 3956 | |
| 3957 | /** |
| 3958 | * xmlReconciliateNs |
| 3959 | * @doc: the document |
| 3960 | * @tree: a node defining the subtree to reconciliate |
| 3961 | * |
| 3962 | * This function checks that all the namespaces declared within the given |
| 3963 | * tree are properly declared. This is needed for example after Copy or Cut |
| 3964 | * and then paste operations. The subtree may still hold pointers to |
| 3965 | * namespace declarations outside the subtree or invalid/masked. As much |
| 3966 | * as possible the function try tu reuse the existing namespaces found in |
| 3967 | * the new environment. If not possible the new namespaces are redeclared |
| 3968 | * on @tree at the top of the given subtree. |
| 3969 | * Returns the number of namespace declarations created or -1 in case of error. |
| 3970 | */ |
| 3971 | int |
| 3972 | xmlReconciliateNs(xmlDocPtr doc, xmlNodePtr tree) { |
| 3973 | xmlNsPtr *oldNs = NULL; |
| 3974 | xmlNsPtr *newNs = NULL; |
| 3975 | int sizeCache = 0; |
| 3976 | int nbCache = 0; |
| 3977 | |
| 3978 | xmlNsPtr n; |
| 3979 | xmlNodePtr node = tree; |
| 3980 | xmlAttrPtr attr; |
| 3981 | int ret = 0, i; |
| 3982 | |
| 3983 | while (node != NULL) { |
| 3984 | /* |
| 3985 | * Reconciliate the node namespace |
| 3986 | */ |
| 3987 | if (node->ns != NULL) { |
| 3988 | /* |
| 3989 | * initialize the cache if needed |
| 3990 | */ |
| 3991 | if (sizeCache == 0) { |
| 3992 | sizeCache = 10; |
| 3993 | oldNs = (xmlNsPtr *) xmlMalloc(sizeCache * |
| 3994 | sizeof(xmlNsPtr)); |
| 3995 | if (oldNs == NULL) { |
| 3996 | xmlGenericError(xmlGenericErrorContext, |
| 3997 | "xmlReconciliateNs : memory pbm\n"); |
| 3998 | return(-1); |
| 3999 | } |
| 4000 | newNs = (xmlNsPtr *) xmlMalloc(sizeCache * |
| 4001 | sizeof(xmlNsPtr)); |
| 4002 | if (newNs == NULL) { |
| 4003 | xmlGenericError(xmlGenericErrorContext, |
| 4004 | "xmlReconciliateNs : memory pbm\n"); |
| 4005 | xmlFree(oldNs); |
| 4006 | return(-1); |
| 4007 | } |
| 4008 | } |
| 4009 | for (i = 0;i < nbCache;i++) { |
| 4010 | if (oldNs[i] == node->ns) { |
| 4011 | node->ns = newNs[i]; |
| 4012 | break; |
| 4013 | } |
| 4014 | } |
| 4015 | if (i == nbCache) { |
| 4016 | /* |
| 4017 | * Ok we need to recreate a new namespace definition |
| 4018 | */ |
| 4019 | n = xmlNewReconciliedNs(doc, tree, node->ns); |
| 4020 | if (n != NULL) { /* :-( what if else ??? */ |
| 4021 | /* |
| 4022 | * check if we need to grow the cache buffers. |
| 4023 | */ |
| 4024 | if (sizeCache <= nbCache) { |
| 4025 | sizeCache *= 2; |
| 4026 | oldNs = (xmlNsPtr *) xmlRealloc(oldNs, sizeCache * |
| 4027 | sizeof(xmlNsPtr)); |
| 4028 | if (oldNs == NULL) { |
| 4029 | xmlGenericError(xmlGenericErrorContext, |
| 4030 | "xmlReconciliateNs : memory pbm\n"); |
| 4031 | xmlFree(newNs); |
| 4032 | return(-1); |
| 4033 | } |
| 4034 | newNs = (xmlNsPtr *) xmlRealloc(newNs, sizeCache * |
| 4035 | sizeof(xmlNsPtr)); |
| 4036 | if (newNs == NULL) { |
| 4037 | xmlGenericError(xmlGenericErrorContext, |
| 4038 | "xmlReconciliateNs : memory pbm\n"); |
| 4039 | xmlFree(oldNs); |
| 4040 | return(-1); |
| 4041 | } |
| 4042 | } |
| 4043 | newNs[nbCache] = n; |
| 4044 | oldNs[nbCache++] = node->ns; |
| 4045 | node->ns = n; |
| 4046 | } |
| 4047 | } |
| 4048 | } |
| 4049 | /* |
| 4050 | * now check for namespace hold by attributes on the node. |
| 4051 | */ |
| 4052 | attr = node->properties; |
| 4053 | while (attr != NULL) { |
| 4054 | if (attr->ns != NULL) { |
| 4055 | /* |
| 4056 | * initialize the cache if needed |
| 4057 | */ |
| 4058 | if (sizeCache == 0) { |
| 4059 | sizeCache = 10; |
| 4060 | oldNs = (xmlNsPtr *) xmlMalloc(sizeCache * |
| 4061 | sizeof(xmlNsPtr)); |
| 4062 | if (oldNs == NULL) { |
| 4063 | xmlGenericError(xmlGenericErrorContext, |
| 4064 | "xmlReconciliateNs : memory pbm\n"); |
| 4065 | return(-1); |
| 4066 | } |
| 4067 | newNs = (xmlNsPtr *) xmlMalloc(sizeCache * |
| 4068 | sizeof(xmlNsPtr)); |
| 4069 | if (newNs == NULL) { |
| 4070 | xmlGenericError(xmlGenericErrorContext, |
| 4071 | "xmlReconciliateNs : memory pbm\n"); |
| 4072 | xmlFree(oldNs); |
| 4073 | return(-1); |
| 4074 | } |
| 4075 | } |
| 4076 | for (i = 0;i < nbCache;i++) { |
| 4077 | if (oldNs[i] == attr->ns) { |
| 4078 | node->ns = newNs[i]; |
| 4079 | break; |
| 4080 | } |
| 4081 | } |
| 4082 | if (i == nbCache) { |
| 4083 | /* |
| 4084 | * Ok we need to recreate a new namespace definition |
| 4085 | */ |
| 4086 | n = xmlNewReconciliedNs(doc, tree, attr->ns); |
| 4087 | if (n != NULL) { /* :-( what if else ??? */ |
| 4088 | /* |
| 4089 | * check if we need to grow the cache buffers. |
| 4090 | */ |
| 4091 | if (sizeCache <= nbCache) { |
| 4092 | sizeCache *= 2; |
| 4093 | oldNs = (xmlNsPtr *) xmlRealloc(oldNs, sizeCache * |
| 4094 | sizeof(xmlNsPtr)); |
| 4095 | if (oldNs == NULL) { |
| 4096 | xmlGenericError(xmlGenericErrorContext, |
| 4097 | "xmlReconciliateNs : memory pbm\n"); |
| 4098 | xmlFree(newNs); |
| 4099 | return(-1); |
| 4100 | } |
| 4101 | newNs = (xmlNsPtr *) xmlRealloc(newNs, sizeCache * |
| 4102 | sizeof(xmlNsPtr)); |
| 4103 | if (newNs == NULL) { |
| 4104 | xmlGenericError(xmlGenericErrorContext, |
| 4105 | "xmlReconciliateNs : memory pbm\n"); |
| 4106 | xmlFree(oldNs); |
| 4107 | return(-1); |
| 4108 | } |
| 4109 | } |
| 4110 | newNs[nbCache] = n; |
| 4111 | oldNs[nbCache++] = attr->ns; |
| 4112 | attr->ns = n; |
| 4113 | } |
| 4114 | } |
| 4115 | } |
| 4116 | attr = attr->next; |
| 4117 | } |
| 4118 | |
| 4119 | /* |
| 4120 | * Browse the full subtree, deep first |
| 4121 | */ |
| 4122 | if (node->children != NULL) { |
| 4123 | /* deep first */ |
| 4124 | node = node->children; |
| 4125 | } else if ((node != tree) && (node->next != NULL)) { |
| 4126 | /* then siblings */ |
| 4127 | node = node->next; |
| 4128 | } else if (node != tree) { |
| 4129 | /* go up to parents->next if needed */ |
| 4130 | while (node != tree) { |
| 4131 | if (node->parent != NULL) |
| 4132 | node = node->parent; |
| 4133 | if ((node != tree) && (node->next != NULL)) { |
| 4134 | node = node->next; |
| 4135 | break; |
| 4136 | } |
| 4137 | if (node->parent == NULL) { |
| 4138 | node = NULL; |
| 4139 | break; |
| 4140 | } |
| 4141 | } |
| 4142 | /* exit condition */ |
| 4143 | if (node == tree) |
| 4144 | node = NULL; |
| 4145 | } |
| 4146 | } |
| 4147 | return(ret); |
| 4148 | } |
| 4149 | |
| 4150 | /** |
| 4151 | * xmlHasProp: |
| 4152 | * @node: the node |
| 4153 | * @name: the attribute name |
| 4154 | * |
| 4155 | * Search an attribute associated to a node |
| 4156 | * This function also looks in DTD attribute declaration for #FIXED or |
| 4157 | * default declaration values unless DTD use has been turned off. |
| 4158 | * |
| 4159 | * Returns the attribute or the attribute declaration or NULL if |
| 4160 | * neither was found. |
| 4161 | */ |
| 4162 | xmlAttrPtr |
| 4163 | xmlHasProp(xmlNodePtr node, const xmlChar *name) { |
| 4164 | xmlAttrPtr prop; |
| 4165 | xmlDocPtr doc; |
| 4166 | |
| 4167 | if ((node == NULL) || (name == NULL)) return(NULL); |
| 4168 | /* |
| 4169 | * Check on the properties attached to the node |
| 4170 | */ |
| 4171 | prop = node->properties; |
| 4172 | while (prop != NULL) { |
| 4173 | if (xmlStrEqual(prop->name, name)) { |
| 4174 | return(prop); |
| 4175 | } |
| 4176 | prop = prop->next; |
| 4177 | } |
| 4178 | if (!xmlCheckDTD) return(NULL); |
| 4179 | |
| 4180 | /* |
| 4181 | * Check if there is a default declaration in the internal |
| 4182 | * or external subsets |
| 4183 | */ |
| 4184 | doc = node->doc; |
| 4185 | if (doc != NULL) { |
| 4186 | xmlAttributePtr attrDecl; |
| 4187 | if (doc->intSubset != NULL) { |
| 4188 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name); |
| 4189 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 4190 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name); |
| 4191 | if (attrDecl != NULL) |
| 4192 | return((xmlAttrPtr) attrDecl); |
| 4193 | } |
| 4194 | } |
| 4195 | return(NULL); |
| 4196 | } |
| 4197 | |
| 4198 | /** |
| 4199 | * xmlGetProp: |
| 4200 | * @node: the node |
| 4201 | * @name: the attribute name |
| 4202 | * |
| 4203 | * Search and get the value of an attribute associated to a node |
| 4204 | * This does the entity substitution. |
| 4205 | * This function looks in DTD attribute declaration for #FIXED or |
| 4206 | * default declaration values unless DTD use has been turned off. |
| 4207 | * |
| 4208 | * Returns the attribute value or NULL if not found. |
| 4209 | * It's up to the caller to free the memory. |
| 4210 | */ |
| 4211 | xmlChar * |
| 4212 | xmlGetProp(xmlNodePtr node, const xmlChar *name) { |
| 4213 | xmlAttrPtr prop; |
| 4214 | xmlDocPtr doc; |
| 4215 | |
| 4216 | if ((node == NULL) || (name == NULL)) return(NULL); |
| 4217 | /* |
| 4218 | * Check on the properties attached to the node |
| 4219 | */ |
| 4220 | prop = node->properties; |
| 4221 | while (prop != NULL) { |
| 4222 | if (xmlStrEqual(prop->name, name)) { |
| 4223 | xmlChar *ret; |
| 4224 | |
| 4225 | ret = xmlNodeListGetString(node->doc, prop->children, 1); |
| 4226 | if (ret == NULL) return(xmlStrdup((xmlChar *)"")); |
| 4227 | return(ret); |
| 4228 | } |
| 4229 | prop = prop->next; |
| 4230 | } |
| 4231 | if (!xmlCheckDTD) return(NULL); |
| 4232 | |
| 4233 | /* |
| 4234 | * Check if there is a default declaration in the internal |
| 4235 | * or external subsets |
| 4236 | */ |
| 4237 | doc = node->doc; |
| 4238 | if (doc != NULL) { |
| 4239 | xmlAttributePtr attrDecl; |
| 4240 | if (doc->intSubset != NULL) { |
| 4241 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name); |
| 4242 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 4243 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name); |
| 4244 | if (attrDecl != NULL) |
| 4245 | return(xmlStrdup(attrDecl->defaultValue)); |
| 4246 | } |
| 4247 | } |
| 4248 | return(NULL); |
| 4249 | } |
| 4250 | |
| 4251 | /** |
| 4252 | * xmlGetNsProp: |
| 4253 | * @node: the node |
| 4254 | * @name: the attribute name |
| 4255 | * @namespace: the URI of the namespace |
| 4256 | * |
| 4257 | * Search and get the value of an attribute associated to a node |
| 4258 | * This attribute has to be anchored in the namespace specified. |
| 4259 | * This does the entity substitution. |
| 4260 | * This function looks in DTD attribute declaration for #FIXED or |
| 4261 | * default declaration values unless DTD use has been turned off. |
| 4262 | * |
| 4263 | * Returns the attribute value or NULL if not found. |
| 4264 | * It's up to the caller to free the memory. |
| 4265 | */ |
| 4266 | xmlChar * |
| 4267 | xmlGetNsProp(xmlNodePtr node, const xmlChar *name, const xmlChar *namespace) { |
| 4268 | xmlAttrPtr prop; |
| 4269 | xmlDocPtr doc; |
| 4270 | xmlNsPtr ns; |
| 4271 | |
| 4272 | if (node == NULL) |
| 4273 | return(NULL); |
| 4274 | |
| 4275 | prop = node->properties; |
| 4276 | if (namespace == NULL) |
| 4277 | return(xmlGetProp(node, name)); |
| 4278 | while (prop != NULL) { |
| 4279 | /* |
| 4280 | * One need to have |
| 4281 | * - same attribute names |
| 4282 | * - and the attribute carrying that namespace |
| 4283 | * or |
| 4284 | * no namespace on the attribute and the element carrying it |
| 4285 | */ |
| 4286 | if ((xmlStrEqual(prop->name, name)) && |
| 4287 | (((prop->ns == NULL) && (node->ns != NULL) && |
| 4288 | (xmlStrEqual(node->ns->href, namespace))) || |
Daniel Veillard | 5792e16 | 2001-04-30 17:44:45 +0000 | [diff] [blame] | 4289 | ((prop->ns != NULL) && |
| 4290 | (xmlStrEqual(prop->ns->href, namespace))))) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4291 | xmlChar *ret; |
| 4292 | |
| 4293 | ret = xmlNodeListGetString(node->doc, prop->children, 1); |
| 4294 | if (ret == NULL) return(xmlStrdup((xmlChar *)"")); |
| 4295 | return(ret); |
| 4296 | } |
| 4297 | prop = prop->next; |
| 4298 | } |
| 4299 | if (!xmlCheckDTD) return(NULL); |
| 4300 | |
| 4301 | /* |
| 4302 | * Check if there is a default declaration in the internal |
| 4303 | * or external subsets |
| 4304 | */ |
| 4305 | doc = node->doc; |
| 4306 | if (doc != NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4307 | if (doc->intSubset != NULL) { |
Daniel Veillard | 5792e16 | 2001-04-30 17:44:45 +0000 | [diff] [blame] | 4308 | xmlAttributePtr attrDecl; |
| 4309 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4310 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name); |
| 4311 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 4312 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name); |
| 4313 | |
| 4314 | if ((attrDecl != NULL) && (attrDecl->prefix != NULL)) { |
| 4315 | /* |
| 4316 | * The DTD declaration only allows a prefix search |
| 4317 | */ |
| 4318 | ns = xmlSearchNs(doc, node, attrDecl->prefix); |
| 4319 | if ((ns != NULL) && (xmlStrEqual(ns->href, namespace))) |
| 4320 | return(xmlStrdup(attrDecl->defaultValue)); |
| 4321 | } |
| 4322 | } |
| 4323 | } |
| 4324 | return(NULL); |
| 4325 | } |
| 4326 | |
| 4327 | /** |
| 4328 | * xmlSetProp: |
| 4329 | * @node: the node |
| 4330 | * @name: the attribute name |
| 4331 | * @value: the attribute value |
| 4332 | * |
| 4333 | * Set (or reset) an attribute carried by a node. |
| 4334 | * Returns the attribute pointer. |
| 4335 | */ |
| 4336 | xmlAttrPtr |
| 4337 | xmlSetProp(xmlNodePtr node, const xmlChar *name, const xmlChar *value) { |
| 4338 | xmlAttrPtr prop = node->properties; |
| 4339 | xmlDocPtr doc = NULL; |
| 4340 | |
| 4341 | if ((node == NULL) || (name == NULL)) |
| 4342 | return(NULL); |
| 4343 | doc = node->doc; |
| 4344 | while (prop != NULL) { |
Daniel Veillard | 75bea54 | 2001-05-11 17:41:21 +0000 | [diff] [blame] | 4345 | if ((xmlStrEqual(prop->name, name)) && |
| 4346 | (prop->ns == NULL)){ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4347 | if (prop->children != NULL) |
| 4348 | xmlFreeNodeList(prop->children); |
| 4349 | prop->children = NULL; |
| 4350 | prop->last = NULL; |
| 4351 | if (value != NULL) { |
| 4352 | xmlChar *buffer; |
| 4353 | xmlNodePtr tmp; |
| 4354 | |
| 4355 | buffer = xmlEncodeEntitiesReentrant(node->doc, value); |
| 4356 | prop->children = xmlStringGetNodeList(node->doc, buffer); |
| 4357 | prop->last = NULL; |
| 4358 | prop->doc = doc; |
| 4359 | tmp = prop->children; |
| 4360 | while (tmp != NULL) { |
| 4361 | tmp->parent = (xmlNodePtr) prop; |
| 4362 | tmp->doc = doc; |
| 4363 | if (tmp->next == NULL) |
| 4364 | prop->last = tmp; |
| 4365 | tmp = tmp->next; |
| 4366 | } |
| 4367 | xmlFree(buffer); |
Daniel Veillard | 75bea54 | 2001-05-11 17:41:21 +0000 | [diff] [blame] | 4368 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4369 | return(prop); |
| 4370 | } |
| 4371 | prop = prop->next; |
| 4372 | } |
| 4373 | prop = xmlNewProp(node, name, value); |
| 4374 | return(prop); |
| 4375 | } |
| 4376 | |
| 4377 | /** |
Daniel Veillard | 75bea54 | 2001-05-11 17:41:21 +0000 | [diff] [blame] | 4378 | * xmlUnsetProp: |
| 4379 | * @node: the node |
| 4380 | * @name: the attribute name |
| 4381 | * |
| 4382 | * Remove an attribute carried by a node. |
| 4383 | * Returns 0 if successful, -1 if not found |
| 4384 | */ |
| 4385 | int |
| 4386 | xmlUnsetProp(xmlNodePtr node, const xmlChar *name) { |
| 4387 | xmlAttrPtr prop = node->properties, prev = NULL;; |
| 4388 | |
| 4389 | if ((node == NULL) || (name == NULL)) |
| 4390 | return(-1); |
| 4391 | while (prop != NULL) { |
| 4392 | if ((xmlStrEqual(prop->name, name)) && |
| 4393 | (prop->ns == NULL)) { |
| 4394 | if (prev == NULL) |
| 4395 | node->properties = prop->next; |
| 4396 | else |
| 4397 | prev->next = prop->next; |
| 4398 | xmlFreeProp(prop); |
| 4399 | return(0); |
| 4400 | } |
| 4401 | prev = prop; |
| 4402 | prop = prop->next; |
| 4403 | } |
| 4404 | return(-1); |
| 4405 | } |
| 4406 | |
| 4407 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4408 | * xmlSetNsProp: |
| 4409 | * @node: the node |
| 4410 | * @ns: the namespace definition |
| 4411 | * @name: the attribute name |
| 4412 | * @value: the attribute value |
| 4413 | * |
| 4414 | * Set (or reset) an attribute carried by a node. |
| 4415 | * The ns structure must be in scope, this is not checked. |
| 4416 | * |
| 4417 | * Returns the attribute pointer. |
| 4418 | */ |
| 4419 | xmlAttrPtr |
| 4420 | xmlSetNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name, |
| 4421 | const xmlChar *value) { |
| 4422 | xmlAttrPtr prop; |
| 4423 | |
| 4424 | if ((node == NULL) || (name == NULL)) |
| 4425 | return(NULL); |
| 4426 | |
| 4427 | if (ns == NULL) |
| 4428 | return(xmlSetProp(node, name, value)); |
| 4429 | if (ns->href == NULL) |
| 4430 | return(NULL); |
| 4431 | prop = node->properties; |
| 4432 | |
| 4433 | while (prop != NULL) { |
| 4434 | /* |
| 4435 | * One need to have |
| 4436 | * - same attribute names |
| 4437 | * - and the attribute carrying that namespace |
| 4438 | * or |
| 4439 | * no namespace on the attribute and the element carrying it |
| 4440 | */ |
| 4441 | if ((xmlStrEqual(prop->name, name)) && |
| 4442 | (((prop->ns == NULL) && (node->ns != NULL) && |
| 4443 | (xmlStrEqual(node->ns->href, ns->href))) || |
| 4444 | ((prop->ns != NULL) && (xmlStrEqual(prop->ns->href, ns->href))))) { |
| 4445 | if (prop->children != NULL) |
| 4446 | xmlFreeNodeList(prop->children); |
| 4447 | prop->children = NULL; |
| 4448 | prop->last = NULL; |
| 4449 | prop->ns = ns; |
| 4450 | if (value != NULL) { |
| 4451 | xmlChar *buffer; |
| 4452 | xmlNodePtr tmp; |
| 4453 | |
| 4454 | buffer = xmlEncodeEntitiesReentrant(node->doc, value); |
| 4455 | prop->children = xmlStringGetNodeList(node->doc, buffer); |
| 4456 | prop->last = NULL; |
| 4457 | tmp = prop->children; |
| 4458 | while (tmp != NULL) { |
| 4459 | tmp->parent = (xmlNodePtr) prop; |
| 4460 | if (tmp->next == NULL) |
| 4461 | prop->last = tmp; |
| 4462 | tmp = tmp->next; |
| 4463 | } |
| 4464 | xmlFree(buffer); |
| 4465 | } |
| 4466 | return(prop); |
| 4467 | } |
| 4468 | prop = prop->next; |
| 4469 | } |
| 4470 | prop = xmlNewNsProp(node, ns, name, value); |
| 4471 | return(prop); |
| 4472 | } |
| 4473 | |
| 4474 | /** |
Daniel Veillard | 75bea54 | 2001-05-11 17:41:21 +0000 | [diff] [blame] | 4475 | * xmlUnsetNsProp: |
| 4476 | * @node: the node |
| 4477 | * @ns: the namespace definition |
| 4478 | * @name: the attribute name |
| 4479 | * |
| 4480 | * Remove an attribute carried by a node. |
| 4481 | * Returns 0 if successful, -1 if not found |
| 4482 | */ |
| 4483 | int |
| 4484 | xmlUnsetNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name) { |
| 4485 | xmlAttrPtr prop = node->properties, prev = NULL;; |
| 4486 | |
| 4487 | if ((node == NULL) || (name == NULL)) |
| 4488 | return(-1); |
| 4489 | if (ns == NULL) |
| 4490 | return(xmlUnsetProp(node, name)); |
| 4491 | if (ns->href == NULL) |
| 4492 | return(-1); |
| 4493 | while (prop != NULL) { |
| 4494 | if ((xmlStrEqual(prop->name, name)) && |
| 4495 | (((prop->ns == NULL) && (node->ns != NULL) && |
| 4496 | (xmlStrEqual(node->ns->href, ns->href))) || |
| 4497 | ((prop->ns != NULL) && (xmlStrEqual(prop->ns->href, ns->href))))) { |
| 4498 | if (prev == NULL) |
| 4499 | node->properties = prop->next; |
| 4500 | else |
| 4501 | prev->next = prop->next; |
| 4502 | xmlFreeProp(prop); |
| 4503 | return(0); |
| 4504 | } |
| 4505 | prev = prop; |
| 4506 | prop = prop->next; |
| 4507 | } |
| 4508 | return(-1); |
| 4509 | } |
| 4510 | |
| 4511 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4512 | * xmlNodeIsText: |
| 4513 | * @node: the node |
| 4514 | * |
| 4515 | * Is this node a Text node ? |
| 4516 | * Returns 1 yes, 0 no |
| 4517 | */ |
| 4518 | int |
| 4519 | xmlNodeIsText(xmlNodePtr node) { |
| 4520 | if (node == NULL) return(0); |
| 4521 | |
| 4522 | if (node->type == XML_TEXT_NODE) return(1); |
| 4523 | return(0); |
| 4524 | } |
| 4525 | |
| 4526 | /** |
| 4527 | * xmlIsBlankNode: |
| 4528 | * @node: the node |
| 4529 | * |
| 4530 | * Checks whether this node is an empty or whitespace only |
| 4531 | * (and possibly ignorable) text-node. |
| 4532 | * |
| 4533 | * Returns 1 yes, 0 no |
| 4534 | */ |
| 4535 | int |
| 4536 | xmlIsBlankNode(xmlNodePtr node) { |
| 4537 | const xmlChar *cur; |
| 4538 | if (node == NULL) return(0); |
| 4539 | |
| 4540 | if (node->type != XML_TEXT_NODE) return(0); |
| 4541 | if (node->content == NULL) return(1); |
| 4542 | #ifndef XML_USE_BUFFER_CONTENT |
| 4543 | cur = node->content; |
| 4544 | #else |
| 4545 | cur = xmlBufferContent(node->content); |
| 4546 | #endif |
| 4547 | while (*cur != 0) { |
| 4548 | if (!IS_BLANK(*cur)) return(0); |
| 4549 | cur++; |
| 4550 | } |
| 4551 | |
| 4552 | return(1); |
| 4553 | } |
| 4554 | |
| 4555 | /** |
| 4556 | * xmlTextConcat: |
| 4557 | * @node: the node |
| 4558 | * @content: the content |
| 4559 | * @len: @content lenght |
| 4560 | * |
| 4561 | * Concat the given string at the end of the existing node content |
| 4562 | */ |
| 4563 | |
| 4564 | void |
| 4565 | xmlTextConcat(xmlNodePtr node, const xmlChar *content, int len) { |
| 4566 | if (node == NULL) return; |
| 4567 | |
| 4568 | if ((node->type != XML_TEXT_NODE) && |
| 4569 | (node->type != XML_CDATA_SECTION_NODE)) { |
| 4570 | #ifdef DEBUG_TREE |
| 4571 | xmlGenericError(xmlGenericErrorContext, |
| 4572 | "xmlTextConcat: node is not text nor cdata\n"); |
| 4573 | #endif |
| 4574 | return; |
| 4575 | } |
| 4576 | #ifndef XML_USE_BUFFER_CONTENT |
| 4577 | node->content = xmlStrncat(node->content, content, len); |
| 4578 | #else |
| 4579 | xmlBufferAdd(node->content, content, len); |
| 4580 | #endif |
| 4581 | } |
| 4582 | |
| 4583 | /************************************************************************ |
| 4584 | * * |
| 4585 | * Output : to a FILE or in memory * |
| 4586 | * * |
| 4587 | ************************************************************************/ |
| 4588 | |
| 4589 | #define BASE_BUFFER_SIZE 4000 |
| 4590 | |
Daniel Veillard | e356c28 | 2001-03-10 12:32:04 +0000 | [diff] [blame] | 4591 | int xmlDefaultBufferSize = BASE_BUFFER_SIZE; |
| 4592 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4593 | /** |
| 4594 | * xmlBufferCreate: |
| 4595 | * |
| 4596 | * routine to create an XML buffer. |
| 4597 | * returns the new structure. |
| 4598 | */ |
| 4599 | xmlBufferPtr |
| 4600 | xmlBufferCreate(void) { |
| 4601 | xmlBufferPtr ret; |
| 4602 | |
| 4603 | ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer)); |
| 4604 | if (ret == NULL) { |
| 4605 | xmlGenericError(xmlGenericErrorContext, |
| 4606 | "xmlBufferCreate : out of memory!\n"); |
| 4607 | return(NULL); |
| 4608 | } |
| 4609 | ret->use = 0; |
Daniel Veillard | e356c28 | 2001-03-10 12:32:04 +0000 | [diff] [blame] | 4610 | ret->size = xmlDefaultBufferSize; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4611 | ret->alloc = xmlBufferAllocScheme; |
| 4612 | ret->content = (xmlChar *) xmlMalloc(ret->size * sizeof(xmlChar)); |
| 4613 | if (ret->content == NULL) { |
| 4614 | xmlGenericError(xmlGenericErrorContext, |
| 4615 | "xmlBufferCreate : out of memory!\n"); |
| 4616 | xmlFree(ret); |
| 4617 | return(NULL); |
| 4618 | } |
| 4619 | ret->content[0] = 0; |
| 4620 | return(ret); |
| 4621 | } |
| 4622 | |
| 4623 | /** |
| 4624 | * xmlBufferCreateSize: |
| 4625 | * @size: initial size of buffer |
| 4626 | * |
| 4627 | * routine to create an XML buffer. |
| 4628 | * returns the new structure. |
| 4629 | */ |
| 4630 | xmlBufferPtr |
| 4631 | xmlBufferCreateSize(size_t size) { |
| 4632 | xmlBufferPtr ret; |
| 4633 | |
| 4634 | ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer)); |
| 4635 | if (ret == NULL) { |
| 4636 | xmlGenericError(xmlGenericErrorContext, |
| 4637 | "xmlBufferCreate : out of memory!\n"); |
| 4638 | return(NULL); |
| 4639 | } |
| 4640 | ret->use = 0; |
| 4641 | ret->alloc = xmlBufferAllocScheme; |
| 4642 | ret->size = (size ? size+2 : 0); /* +1 for ending null */ |
| 4643 | if (ret->size){ |
| 4644 | ret->content = (xmlChar *) xmlMalloc(ret->size * sizeof(xmlChar)); |
| 4645 | if (ret->content == NULL) { |
| 4646 | xmlGenericError(xmlGenericErrorContext, |
| 4647 | "xmlBufferCreate : out of memory!\n"); |
| 4648 | xmlFree(ret); |
| 4649 | return(NULL); |
| 4650 | } |
| 4651 | ret->content[0] = 0; |
| 4652 | } else |
| 4653 | ret->content = NULL; |
| 4654 | return(ret); |
| 4655 | } |
| 4656 | |
| 4657 | /** |
| 4658 | * xmlBufferSetAllocationScheme: |
| 4659 | * @buf: the buffer to free |
| 4660 | * @scheme: allocation scheme to use |
| 4661 | * |
| 4662 | * Sets the allocation scheme for this buffer |
| 4663 | */ |
| 4664 | void |
| 4665 | xmlBufferSetAllocationScheme(xmlBufferPtr buf, |
| 4666 | xmlBufferAllocationScheme scheme) { |
| 4667 | if (buf == NULL) { |
| 4668 | #ifdef DEBUG_BUFFER |
| 4669 | xmlGenericError(xmlGenericErrorContext, |
| 4670 | "xmlBufferSetAllocationScheme: buf == NULL\n"); |
| 4671 | #endif |
| 4672 | return; |
| 4673 | } |
| 4674 | |
| 4675 | buf->alloc = scheme; |
| 4676 | } |
| 4677 | |
| 4678 | /** |
| 4679 | * xmlBufferFree: |
| 4680 | * @buf: the buffer to free |
| 4681 | * |
| 4682 | * Frees an XML buffer. |
| 4683 | */ |
| 4684 | void |
| 4685 | xmlBufferFree(xmlBufferPtr buf) { |
| 4686 | if (buf == NULL) { |
| 4687 | #ifdef DEBUG_BUFFER |
| 4688 | xmlGenericError(xmlGenericErrorContext, |
| 4689 | "xmlBufferFree: buf == NULL\n"); |
| 4690 | #endif |
| 4691 | return; |
| 4692 | } |
| 4693 | if (buf->content != NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4694 | xmlFree(buf->content); |
| 4695 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4696 | xmlFree(buf); |
| 4697 | } |
| 4698 | |
| 4699 | /** |
| 4700 | * xmlBufferEmpty: |
| 4701 | * @buf: the buffer |
| 4702 | * |
| 4703 | * empty a buffer. |
| 4704 | */ |
| 4705 | void |
| 4706 | xmlBufferEmpty(xmlBufferPtr buf) { |
| 4707 | if (buf->content == NULL) return; |
| 4708 | buf->use = 0; |
Daniel Veillard | 92ad210 | 2001-03-27 12:47:33 +0000 | [diff] [blame] | 4709 | memset(buf->content, 0, buf->size); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4710 | } |
| 4711 | |
| 4712 | /** |
| 4713 | * xmlBufferShrink: |
| 4714 | * @buf: the buffer to dump |
| 4715 | * @len: the number of xmlChar to remove |
| 4716 | * |
| 4717 | * Remove the beginning of an XML buffer. |
| 4718 | * |
| 4719 | * Returns the number of xmlChar removed, or -1 in case of failure. |
| 4720 | */ |
| 4721 | int |
| 4722 | xmlBufferShrink(xmlBufferPtr buf, unsigned int len) { |
| 4723 | if (len == 0) return(0); |
| 4724 | if (len > buf->use) return(-1); |
| 4725 | |
| 4726 | buf->use -= len; |
| 4727 | memmove(buf->content, &buf->content[len], buf->use * sizeof(xmlChar)); |
| 4728 | |
| 4729 | buf->content[buf->use] = 0; |
| 4730 | return(len); |
| 4731 | } |
| 4732 | |
| 4733 | /** |
| 4734 | * xmlBufferGrow: |
| 4735 | * @buf: the buffer |
| 4736 | * @len: the minimum free size to allocate |
| 4737 | * |
| 4738 | * Grow the available space of an XML buffer. |
| 4739 | * |
| 4740 | * Returns the new available space or -1 in case of error |
| 4741 | */ |
| 4742 | int |
| 4743 | xmlBufferGrow(xmlBufferPtr buf, unsigned int len) { |
| 4744 | int size; |
| 4745 | xmlChar *newbuf; |
| 4746 | |
| 4747 | if (len + buf->use < buf->size) return(0); |
| 4748 | |
| 4749 | size = buf->use + len + 100; |
| 4750 | |
| 4751 | newbuf = (xmlChar *) xmlRealloc(buf->content, size); |
| 4752 | if (newbuf == NULL) return(-1); |
| 4753 | buf->content = newbuf; |
| 4754 | buf->size = size; |
| 4755 | return(buf->size - buf->use); |
| 4756 | } |
| 4757 | |
| 4758 | /** |
| 4759 | * xmlBufferDump: |
| 4760 | * @file: the file output |
| 4761 | * @buf: the buffer to dump |
| 4762 | * |
| 4763 | * Dumps an XML buffer to a FILE *. |
| 4764 | * Returns the number of xmlChar written |
| 4765 | */ |
| 4766 | int |
| 4767 | xmlBufferDump(FILE *file, xmlBufferPtr buf) { |
| 4768 | int ret; |
| 4769 | |
| 4770 | if (buf == NULL) { |
| 4771 | #ifdef DEBUG_BUFFER |
| 4772 | xmlGenericError(xmlGenericErrorContext, |
| 4773 | "xmlBufferDump: buf == NULL\n"); |
| 4774 | #endif |
| 4775 | return(0); |
| 4776 | } |
| 4777 | if (buf->content == NULL) { |
| 4778 | #ifdef DEBUG_BUFFER |
| 4779 | xmlGenericError(xmlGenericErrorContext, |
| 4780 | "xmlBufferDump: buf->content == NULL\n"); |
| 4781 | #endif |
| 4782 | return(0); |
| 4783 | } |
| 4784 | if (file == NULL) file = stdout; |
| 4785 | ret = fwrite(buf->content, sizeof(xmlChar), buf->use, file); |
| 4786 | return(ret); |
| 4787 | } |
| 4788 | |
| 4789 | /** |
| 4790 | * xmlBufferContent: |
| 4791 | * @buf: the buffer |
| 4792 | * |
| 4793 | * Returns the internal content |
| 4794 | */ |
| 4795 | |
| 4796 | const xmlChar* |
| 4797 | xmlBufferContent(const xmlBufferPtr buf) |
| 4798 | { |
| 4799 | if(!buf) |
| 4800 | return NULL; |
| 4801 | |
| 4802 | return buf->content; |
| 4803 | } |
| 4804 | |
| 4805 | /** |
| 4806 | * xmlBufferLength: |
| 4807 | * @buf: the buffer |
| 4808 | * |
| 4809 | * Returns the length of data in the internal content |
| 4810 | */ |
| 4811 | |
| 4812 | int |
| 4813 | xmlBufferLength(const xmlBufferPtr buf) |
| 4814 | { |
| 4815 | if(!buf) |
| 4816 | return 0; |
| 4817 | |
| 4818 | return buf->use; |
| 4819 | } |
| 4820 | |
| 4821 | /** |
| 4822 | * xmlBufferResize: |
| 4823 | * @buf: the buffer to resize |
| 4824 | * @size: the desired size |
| 4825 | * |
| 4826 | * Resize a buffer to accomodate minimum size of @size. |
| 4827 | * |
| 4828 | * Returns 0 in case of problems, 1 otherwise |
| 4829 | */ |
| 4830 | int |
| 4831 | xmlBufferResize(xmlBufferPtr buf, unsigned int size) |
| 4832 | { |
| 4833 | unsigned int newSize; |
| 4834 | xmlChar* rebuf = NULL; |
| 4835 | |
| 4836 | /*take care of empty case*/ |
| 4837 | newSize = (buf->size ? buf->size*2 : size); |
| 4838 | |
| 4839 | /* Don't resize if we don't have to */ |
| 4840 | if (size < buf->size) |
| 4841 | return 1; |
| 4842 | |
| 4843 | /* figure out new size */ |
| 4844 | switch (buf->alloc){ |
| 4845 | case XML_BUFFER_ALLOC_DOUBLEIT: |
| 4846 | while (size > newSize) newSize *= 2; |
| 4847 | break; |
| 4848 | case XML_BUFFER_ALLOC_EXACT: |
| 4849 | newSize = size+10; |
| 4850 | break; |
| 4851 | default: |
| 4852 | newSize = size+10; |
| 4853 | break; |
| 4854 | } |
| 4855 | |
| 4856 | if (buf->content == NULL) |
| 4857 | rebuf = (xmlChar *) xmlMalloc(newSize * sizeof(xmlChar)); |
| 4858 | else |
| 4859 | rebuf = (xmlChar *) xmlRealloc(buf->content, |
| 4860 | newSize * sizeof(xmlChar)); |
| 4861 | if (rebuf == NULL) { |
| 4862 | xmlGenericError(xmlGenericErrorContext, |
| 4863 | "xmlBufferAdd : out of memory!\n"); |
| 4864 | return 0; |
| 4865 | } |
| 4866 | buf->content = rebuf; |
| 4867 | buf->size = newSize; |
| 4868 | |
| 4869 | return 1; |
| 4870 | } |
| 4871 | |
| 4872 | /** |
| 4873 | * xmlBufferAdd: |
| 4874 | * @buf: the buffer to dump |
| 4875 | * @str: the xmlChar string |
| 4876 | * @len: the number of xmlChar to add |
| 4877 | * |
| 4878 | * Add a string range to an XML buffer. if len == -1, the lenght of |
| 4879 | * str is recomputed. |
| 4880 | */ |
| 4881 | void |
| 4882 | xmlBufferAdd(xmlBufferPtr buf, const xmlChar *str, int len) { |
| 4883 | unsigned int needSize; |
| 4884 | |
| 4885 | if (str == NULL) { |
| 4886 | #ifdef DEBUG_BUFFER |
| 4887 | xmlGenericError(xmlGenericErrorContext, |
| 4888 | "xmlBufferAdd: str == NULL\n"); |
| 4889 | #endif |
| 4890 | return; |
| 4891 | } |
| 4892 | if (len < -1) { |
| 4893 | #ifdef DEBUG_BUFFER |
| 4894 | xmlGenericError(xmlGenericErrorContext, |
| 4895 | "xmlBufferAdd: len < 0\n"); |
| 4896 | #endif |
| 4897 | return; |
| 4898 | } |
| 4899 | if (len == 0) return; |
| 4900 | |
| 4901 | if (len < 0) |
| 4902 | len = xmlStrlen(str); |
| 4903 | |
| 4904 | if (len <= 0) return; |
| 4905 | |
| 4906 | needSize = buf->use + len + 2; |
| 4907 | if (needSize > buf->size){ |
| 4908 | if (!xmlBufferResize(buf, needSize)){ |
| 4909 | xmlGenericError(xmlGenericErrorContext, |
| 4910 | "xmlBufferAdd : out of memory!\n"); |
| 4911 | return; |
| 4912 | } |
| 4913 | } |
| 4914 | |
| 4915 | memmove(&buf->content[buf->use], str, len*sizeof(xmlChar)); |
| 4916 | buf->use += len; |
| 4917 | buf->content[buf->use] = 0; |
| 4918 | } |
| 4919 | |
| 4920 | /** |
| 4921 | * xmlBufferAddHead: |
| 4922 | * @buf: the buffer |
| 4923 | * @str: the xmlChar string |
| 4924 | * @len: the number of xmlChar to add |
| 4925 | * |
| 4926 | * Add a string range to the beginning of an XML buffer. |
| 4927 | * if len == -1, the lenght of @str is recomputed. |
| 4928 | */ |
| 4929 | void |
| 4930 | xmlBufferAddHead(xmlBufferPtr buf, const xmlChar *str, int len) { |
| 4931 | unsigned int needSize; |
| 4932 | |
| 4933 | if (str == NULL) { |
| 4934 | #ifdef DEBUG_BUFFER |
| 4935 | xmlGenericError(xmlGenericErrorContext, |
| 4936 | "xmlBufferAdd: str == NULL\n"); |
| 4937 | #endif |
| 4938 | return; |
| 4939 | } |
| 4940 | if (len < -1) { |
| 4941 | #ifdef DEBUG_BUFFER |
| 4942 | xmlGenericError(xmlGenericErrorContext, |
| 4943 | "xmlBufferAdd: len < 0\n"); |
| 4944 | #endif |
| 4945 | return; |
| 4946 | } |
| 4947 | if (len == 0) return; |
| 4948 | |
| 4949 | if (len < 0) |
| 4950 | len = xmlStrlen(str); |
| 4951 | |
| 4952 | if (len <= 0) return; |
| 4953 | |
| 4954 | needSize = buf->use + len + 2; |
| 4955 | if (needSize > buf->size){ |
| 4956 | if (!xmlBufferResize(buf, needSize)){ |
| 4957 | xmlGenericError(xmlGenericErrorContext, |
| 4958 | "xmlBufferAddHead : out of memory!\n"); |
| 4959 | return; |
| 4960 | } |
| 4961 | } |
| 4962 | |
| 4963 | memmove(&buf->content[len], &buf->content[0], buf->use * sizeof(xmlChar)); |
| 4964 | memmove(&buf->content[0], str, len * sizeof(xmlChar)); |
| 4965 | buf->use += len; |
| 4966 | buf->content[buf->use] = 0; |
| 4967 | } |
| 4968 | |
| 4969 | /** |
| 4970 | * xmlBufferCat: |
| 4971 | * @buf: the buffer to dump |
| 4972 | * @str: the xmlChar string |
| 4973 | * |
| 4974 | * Append a zero terminated string to an XML buffer. |
| 4975 | */ |
| 4976 | void |
| 4977 | xmlBufferCat(xmlBufferPtr buf, const xmlChar *str) { |
| 4978 | if (str != NULL) |
| 4979 | xmlBufferAdd(buf, str, -1); |
| 4980 | } |
| 4981 | |
| 4982 | /** |
| 4983 | * xmlBufferCCat: |
| 4984 | * @buf: the buffer to dump |
| 4985 | * @str: the C char string |
| 4986 | * |
| 4987 | * Append a zero terminated C string to an XML buffer. |
| 4988 | */ |
| 4989 | void |
| 4990 | xmlBufferCCat(xmlBufferPtr buf, const char *str) { |
| 4991 | const char *cur; |
| 4992 | |
| 4993 | if (str == NULL) { |
| 4994 | #ifdef DEBUG_BUFFER |
| 4995 | xmlGenericError(xmlGenericErrorContext, |
| 4996 | "xmlBufferAdd: str == NULL\n"); |
| 4997 | #endif |
| 4998 | return; |
| 4999 | } |
| 5000 | for (cur = str;*cur != 0;cur++) { |
| 5001 | if (buf->use + 10 >= buf->size) { |
| 5002 | if (!xmlBufferResize(buf, buf->use+10)){ |
| 5003 | xmlGenericError(xmlGenericErrorContext, |
| 5004 | "xmlBufferCCat : out of memory!\n"); |
| 5005 | return; |
| 5006 | } |
| 5007 | } |
| 5008 | buf->content[buf->use++] = *cur; |
| 5009 | } |
| 5010 | buf->content[buf->use] = 0; |
| 5011 | } |
| 5012 | |
| 5013 | /** |
| 5014 | * xmlBufferWriteCHAR: |
| 5015 | * @buf: the XML buffer |
| 5016 | * @string: the string to add |
| 5017 | * |
| 5018 | * routine which manages and grows an output buffer. This one adds |
| 5019 | * xmlChars at the end of the buffer. |
| 5020 | */ |
| 5021 | void |
| 5022 | #ifdef VMS |
| 5023 | xmlBufferWriteXmlCHAR |
| 5024 | #else |
| 5025 | xmlBufferWriteCHAR |
| 5026 | #endif |
| 5027 | (xmlBufferPtr buf, const xmlChar *string) { |
| 5028 | xmlBufferCat(buf, string); |
| 5029 | } |
| 5030 | |
| 5031 | /** |
| 5032 | * xmlBufferWriteChar: |
| 5033 | * @buf: the XML buffer output |
| 5034 | * @string: the string to add |
| 5035 | * |
| 5036 | * routine which manage and grows an output buffer. This one add |
| 5037 | * C chars at the end of the array. |
| 5038 | */ |
| 5039 | void |
| 5040 | xmlBufferWriteChar(xmlBufferPtr buf, const char *string) { |
| 5041 | xmlBufferCCat(buf, string); |
| 5042 | } |
| 5043 | |
| 5044 | |
| 5045 | /** |
| 5046 | * xmlBufferWriteQuotedString: |
| 5047 | * @buf: the XML buffer output |
| 5048 | * @string: the string to add |
| 5049 | * |
| 5050 | * routine which manage and grows an output buffer. This one writes |
| 5051 | * a quoted or double quoted xmlChar string, checking first if it holds |
| 5052 | * quote or double-quotes internally |
| 5053 | */ |
| 5054 | void |
| 5055 | xmlBufferWriteQuotedString(xmlBufferPtr buf, const xmlChar *string) { |
| 5056 | if (xmlStrchr(string, '"')) { |
| 5057 | if (xmlStrchr(string, '\'')) { |
| 5058 | #ifdef DEBUG_BUFFER |
| 5059 | xmlGenericError(xmlGenericErrorContext, |
| 5060 | "xmlBufferWriteQuotedString: string contains quote and double-quotes !\n"); |
| 5061 | #endif |
| 5062 | } |
| 5063 | xmlBufferCCat(buf, "'"); |
| 5064 | xmlBufferCat(buf, string); |
| 5065 | xmlBufferCCat(buf, "'"); |
| 5066 | } else { |
| 5067 | xmlBufferCCat(buf, "\""); |
| 5068 | xmlBufferCat(buf, string); |
| 5069 | xmlBufferCCat(buf, "\""); |
| 5070 | } |
| 5071 | } |
| 5072 | |
| 5073 | |
| 5074 | /************************************************************************ |
| 5075 | * * |
| 5076 | * Dumping XML tree content to a simple buffer * |
| 5077 | * * |
| 5078 | ************************************************************************/ |
| 5079 | |
| 5080 | void |
| 5081 | xmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level, |
| 5082 | int format); |
| 5083 | static void |
| 5084 | xmlNodeListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level, |
| 5085 | int format); |
| 5086 | void |
| 5087 | htmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur); |
| 5088 | |
| 5089 | /** |
| 5090 | * xmlNsDump: |
| 5091 | * @buf: the XML buffer output |
| 5092 | * @cur: a namespace |
| 5093 | * |
| 5094 | * Dump a local Namespace definition. |
| 5095 | * Should be called in the context of attributes dumps. |
| 5096 | */ |
| 5097 | static void |
| 5098 | xmlNsDump(xmlBufferPtr buf, xmlNsPtr cur) { |
| 5099 | if (cur == NULL) { |
| 5100 | #ifdef DEBUG_TREE |
| 5101 | xmlGenericError(xmlGenericErrorContext, |
| 5102 | "xmlNsDump : Ns == NULL\n"); |
| 5103 | #endif |
| 5104 | return; |
| 5105 | } |
| 5106 | if (cur->type == XML_LOCAL_NAMESPACE) { |
| 5107 | /* Within the context of an element attributes */ |
| 5108 | if (cur->prefix != NULL) { |
| 5109 | xmlBufferWriteChar(buf, " xmlns:"); |
| 5110 | xmlBufferWriteCHAR(buf, cur->prefix); |
| 5111 | } else |
| 5112 | xmlBufferWriteChar(buf, " xmlns"); |
| 5113 | xmlBufferWriteChar(buf, "="); |
| 5114 | xmlBufferWriteQuotedString(buf, cur->href); |
| 5115 | } |
| 5116 | } |
| 5117 | |
| 5118 | /** |
| 5119 | * xmlNsListDump: |
| 5120 | * @buf: the XML buffer output |
| 5121 | * @cur: the first namespace |
| 5122 | * |
| 5123 | * Dump a list of local Namespace definitions. |
| 5124 | * Should be called in the context of attributes dumps. |
| 5125 | */ |
| 5126 | static void |
| 5127 | xmlNsListDump(xmlBufferPtr buf, xmlNsPtr cur) { |
| 5128 | while (cur != NULL) { |
| 5129 | xmlNsDump(buf, cur); |
| 5130 | cur = cur->next; |
| 5131 | } |
| 5132 | } |
| 5133 | |
| 5134 | /** |
| 5135 | * xmlDtdDump: |
| 5136 | * @buf: the XML buffer output |
| 5137 | * @doc: the document |
| 5138 | * |
| 5139 | * Dump the XML document DTD, if any. |
| 5140 | */ |
| 5141 | static void |
| 5142 | xmlDtdDump(xmlBufferPtr buf, xmlDtdPtr dtd) { |
| 5143 | if (dtd == NULL) { |
| 5144 | #ifdef DEBUG_TREE |
| 5145 | xmlGenericError(xmlGenericErrorContext, |
| 5146 | "xmlDtdDump : no internal subset\n"); |
| 5147 | #endif |
| 5148 | return; |
| 5149 | } |
| 5150 | xmlBufferWriteChar(buf, "<!DOCTYPE "); |
| 5151 | xmlBufferWriteCHAR(buf, dtd->name); |
| 5152 | if (dtd->ExternalID != NULL) { |
| 5153 | xmlBufferWriteChar(buf, " PUBLIC "); |
| 5154 | xmlBufferWriteQuotedString(buf, dtd->ExternalID); |
| 5155 | xmlBufferWriteChar(buf, " "); |
| 5156 | xmlBufferWriteQuotedString(buf, dtd->SystemID); |
| 5157 | } else if (dtd->SystemID != NULL) { |
| 5158 | xmlBufferWriteChar(buf, " SYSTEM "); |
| 5159 | xmlBufferWriteQuotedString(buf, dtd->SystemID); |
| 5160 | } |
| 5161 | if ((dtd->entities == NULL) && (dtd->elements == NULL) && |
| 5162 | (dtd->attributes == NULL) && (dtd->notations == NULL)) { |
| 5163 | xmlBufferWriteChar(buf, ">"); |
| 5164 | return; |
| 5165 | } |
| 5166 | xmlBufferWriteChar(buf, " [\n"); |
| 5167 | xmlNodeListDump(buf, dtd->doc, dtd->children, -1, 0); |
| 5168 | #if 0 |
| 5169 | if (dtd->entities != NULL) |
| 5170 | xmlDumpEntitiesTable(buf, (xmlEntitiesTablePtr) dtd->entities); |
| 5171 | if (dtd->notations != NULL) |
| 5172 | xmlDumpNotationTable(buf, (xmlNotationTablePtr) dtd->notations); |
| 5173 | if (dtd->elements != NULL) |
| 5174 | xmlDumpElementTable(buf, (xmlElementTablePtr) dtd->elements); |
| 5175 | if (dtd->attributes != NULL) |
| 5176 | xmlDumpAttributeTable(buf, (xmlAttributeTablePtr) dtd->attributes); |
| 5177 | #endif |
| 5178 | xmlBufferWriteChar(buf, "]>"); |
| 5179 | } |
| 5180 | |
| 5181 | /** |
| 5182 | * xmlAttrDump: |
| 5183 | * @buf: the XML buffer output |
| 5184 | * @doc: the document |
| 5185 | * @cur: the attribute pointer |
| 5186 | * |
| 5187 | * Dump an XML attribute |
| 5188 | */ |
| 5189 | static void |
| 5190 | xmlAttrDump(xmlBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur) { |
| 5191 | xmlChar *value; |
| 5192 | |
| 5193 | if (cur == NULL) { |
| 5194 | #ifdef DEBUG_TREE |
| 5195 | xmlGenericError(xmlGenericErrorContext, |
| 5196 | "xmlAttrDump : property == NULL\n"); |
| 5197 | #endif |
| 5198 | return; |
| 5199 | } |
| 5200 | xmlBufferWriteChar(buf, " "); |
| 5201 | if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { |
| 5202 | xmlBufferWriteCHAR(buf, cur->ns->prefix); |
| 5203 | xmlBufferWriteChar(buf, ":"); |
| 5204 | } |
| 5205 | xmlBufferWriteCHAR(buf, cur->name); |
| 5206 | value = xmlNodeListGetString(doc, cur->children, 0); |
| 5207 | if (value != NULL) { |
| 5208 | xmlBufferWriteChar(buf, "="); |
| 5209 | xmlBufferWriteQuotedString(buf, value); |
| 5210 | xmlFree(value); |
| 5211 | } else { |
| 5212 | xmlBufferWriteChar(buf, "=\"\""); |
| 5213 | } |
| 5214 | } |
| 5215 | |
| 5216 | /** |
| 5217 | * xmlAttrListDump: |
| 5218 | * @buf: the XML buffer output |
| 5219 | * @doc: the document |
| 5220 | * @cur: the first attribute pointer |
| 5221 | * |
| 5222 | * Dump a list of XML attributes |
| 5223 | */ |
| 5224 | static void |
| 5225 | xmlAttrListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur) { |
| 5226 | if (cur == NULL) { |
| 5227 | #ifdef DEBUG_TREE |
| 5228 | xmlGenericError(xmlGenericErrorContext, |
| 5229 | "xmlAttrListDump : property == NULL\n"); |
| 5230 | #endif |
| 5231 | return; |
| 5232 | } |
| 5233 | while (cur != NULL) { |
| 5234 | xmlAttrDump(buf, doc, cur); |
| 5235 | cur = cur->next; |
| 5236 | } |
| 5237 | } |
| 5238 | |
| 5239 | |
| 5240 | |
| 5241 | /** |
| 5242 | * xmlNodeListDump: |
| 5243 | * @buf: the XML buffer output |
| 5244 | * @doc: the document |
| 5245 | * @cur: the first node |
| 5246 | * @level: the imbrication level for indenting |
| 5247 | * @format: is formatting allowed |
| 5248 | * |
| 5249 | * Dump an XML node list, recursive behaviour,children are printed too. |
| 5250 | */ |
| 5251 | static void |
| 5252 | xmlNodeListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level, |
| 5253 | int format) { |
| 5254 | int i; |
| 5255 | |
| 5256 | if (cur == NULL) { |
| 5257 | #ifdef DEBUG_TREE |
| 5258 | xmlGenericError(xmlGenericErrorContext, |
| 5259 | "xmlNodeListDump : node == NULL\n"); |
| 5260 | #endif |
| 5261 | return; |
| 5262 | } |
| 5263 | while (cur != NULL) { |
| 5264 | if ((format) && (xmlIndentTreeOutput) && |
| 5265 | (cur->type == XML_ELEMENT_NODE)) |
| 5266 | for (i = 0;i < level;i++) |
| 5267 | xmlBufferWriteChar(buf, " "); |
| 5268 | xmlNodeDump(buf, doc, cur, level, format); |
| 5269 | if (format) { |
| 5270 | xmlBufferWriteChar(buf, "\n"); |
| 5271 | } |
| 5272 | cur = cur->next; |
| 5273 | } |
| 5274 | } |
| 5275 | |
| 5276 | /** |
| 5277 | * xmlNodeDump: |
| 5278 | * @buf: the XML buffer output |
| 5279 | * @doc: the document |
| 5280 | * @cur: the current node |
| 5281 | * @level: the imbrication level for indenting |
| 5282 | * @format: is formatting allowed |
| 5283 | * |
| 5284 | * Dump an XML node, recursive behaviour,children are printed too. |
| 5285 | */ |
| 5286 | void |
| 5287 | xmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level, |
| 5288 | int format) { |
| 5289 | int i; |
| 5290 | xmlNodePtr tmp; |
| 5291 | |
| 5292 | if (cur == NULL) { |
| 5293 | #ifdef DEBUG_TREE |
| 5294 | xmlGenericError(xmlGenericErrorContext, |
| 5295 | "xmlNodeDump : node == NULL\n"); |
| 5296 | #endif |
| 5297 | return; |
| 5298 | } |
| 5299 | if (cur->type == XML_XINCLUDE_START) |
| 5300 | return; |
| 5301 | if (cur->type == XML_XINCLUDE_END) |
| 5302 | return; |
| 5303 | if (cur->type == XML_DTD_NODE) { |
| 5304 | xmlDtdDump(buf, (xmlDtdPtr) cur); |
| 5305 | return; |
| 5306 | } |
| 5307 | if (cur->type == XML_ELEMENT_DECL) { |
| 5308 | xmlDumpElementDecl(buf, (xmlElementPtr) cur); |
| 5309 | return; |
| 5310 | } |
| 5311 | if (cur->type == XML_ATTRIBUTE_DECL) { |
| 5312 | xmlDumpAttributeDecl(buf, (xmlAttributePtr) cur); |
| 5313 | return; |
| 5314 | } |
| 5315 | if (cur->type == XML_ENTITY_DECL) { |
| 5316 | xmlDumpEntityDecl(buf, (xmlEntityPtr) cur); |
| 5317 | return; |
| 5318 | } |
| 5319 | if (cur->type == XML_TEXT_NODE) { |
| 5320 | if (cur->content != NULL) { |
| 5321 | if ((cur->name == xmlStringText) || |
| 5322 | (cur->name != xmlStringTextNoenc)) { |
| 5323 | xmlChar *buffer; |
| 5324 | |
| 5325 | #ifndef XML_USE_BUFFER_CONTENT |
| 5326 | buffer = xmlEncodeEntitiesReentrant(doc, cur->content); |
| 5327 | #else |
| 5328 | buffer = xmlEncodeEntitiesReentrant(doc, |
| 5329 | xmlBufferContent(cur->content)); |
| 5330 | #endif |
| 5331 | if (buffer != NULL) { |
| 5332 | xmlBufferWriteCHAR(buf, buffer); |
| 5333 | xmlFree(buffer); |
| 5334 | } |
| 5335 | } else { |
| 5336 | /* |
| 5337 | * Disable escaping, needed for XSLT |
| 5338 | */ |
| 5339 | #ifndef XML_USE_BUFFER_CONTENT |
| 5340 | xmlBufferWriteCHAR(buf, cur->content); |
| 5341 | #else |
| 5342 | xmlBufferWriteCHAR(buf, xmlBufferContent(cur->content)); |
| 5343 | #endif |
| 5344 | } |
| 5345 | } |
| 5346 | return; |
| 5347 | } |
| 5348 | if (cur->type == XML_PI_NODE) { |
| 5349 | if (cur->content != NULL) { |
| 5350 | xmlBufferWriteChar(buf, "<?"); |
| 5351 | xmlBufferWriteCHAR(buf, cur->name); |
| 5352 | if (cur->content != NULL) { |
| 5353 | xmlBufferWriteChar(buf, " "); |
| 5354 | #ifndef XML_USE_BUFFER_CONTENT |
| 5355 | xmlBufferWriteCHAR(buf, cur->content); |
| 5356 | #else |
| 5357 | xmlBufferWriteCHAR(buf, xmlBufferContent(cur->content)); |
| 5358 | #endif |
| 5359 | } |
| 5360 | xmlBufferWriteChar(buf, "?>"); |
| 5361 | } else { |
| 5362 | xmlBufferWriteChar(buf, "<?"); |
| 5363 | xmlBufferWriteCHAR(buf, cur->name); |
| 5364 | xmlBufferWriteChar(buf, "?>"); |
| 5365 | } |
| 5366 | return; |
| 5367 | } |
| 5368 | if (cur->type == XML_COMMENT_NODE) { |
| 5369 | if (cur->content != NULL) { |
| 5370 | xmlBufferWriteChar(buf, "<!--"); |
| 5371 | #ifndef XML_USE_BUFFER_CONTENT |
| 5372 | xmlBufferWriteCHAR(buf, cur->content); |
| 5373 | #else |
| 5374 | xmlBufferWriteCHAR(buf, xmlBufferContent(cur->content)); |
| 5375 | #endif |
| 5376 | xmlBufferWriteChar(buf, "-->"); |
| 5377 | } |
| 5378 | return; |
| 5379 | } |
| 5380 | if (cur->type == XML_ENTITY_REF_NODE) { |
| 5381 | xmlBufferWriteChar(buf, "&"); |
| 5382 | xmlBufferWriteCHAR(buf, cur->name); |
| 5383 | xmlBufferWriteChar(buf, ";"); |
| 5384 | return; |
| 5385 | } |
| 5386 | if (cur->type == XML_CDATA_SECTION_NODE) { |
| 5387 | xmlBufferWriteChar(buf, "<![CDATA["); |
| 5388 | if (cur->content != NULL) |
| 5389 | #ifndef XML_USE_BUFFER_CONTENT |
| 5390 | xmlBufferWriteCHAR(buf, cur->content); |
| 5391 | #else |
| 5392 | xmlBufferWriteCHAR(buf, xmlBufferContent(cur->content)); |
| 5393 | #endif |
| 5394 | xmlBufferWriteChar(buf, "]]>"); |
| 5395 | return; |
| 5396 | } |
| 5397 | |
| 5398 | if (format == 1) { |
| 5399 | tmp = cur->children; |
| 5400 | while (tmp != NULL) { |
| 5401 | if ((tmp->type == XML_TEXT_NODE) || |
| 5402 | (tmp->type == XML_ENTITY_REF_NODE)) { |
| 5403 | format = 0; |
| 5404 | break; |
| 5405 | } |
| 5406 | tmp = tmp->next; |
| 5407 | } |
| 5408 | } |
| 5409 | xmlBufferWriteChar(buf, "<"); |
| 5410 | if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { |
| 5411 | xmlBufferWriteCHAR(buf, cur->ns->prefix); |
| 5412 | xmlBufferWriteChar(buf, ":"); |
| 5413 | } |
| 5414 | |
| 5415 | xmlBufferWriteCHAR(buf, cur->name); |
| 5416 | if (cur->nsDef) |
| 5417 | xmlNsListDump(buf, cur->nsDef); |
| 5418 | if (cur->properties != NULL) |
| 5419 | xmlAttrListDump(buf, doc, cur->properties); |
| 5420 | |
| 5421 | if ((cur->content == NULL) && (cur->children == NULL) && |
| 5422 | (!xmlSaveNoEmptyTags)) { |
| 5423 | xmlBufferWriteChar(buf, "/>"); |
| 5424 | return; |
| 5425 | } |
| 5426 | xmlBufferWriteChar(buf, ">"); |
| 5427 | if (cur->content != NULL) { |
| 5428 | xmlChar *buffer; |
| 5429 | |
| 5430 | #ifndef XML_USE_BUFFER_CONTENT |
| 5431 | buffer = xmlEncodeEntitiesReentrant(doc, cur->content); |
| 5432 | #else |
| 5433 | buffer = xmlEncodeEntitiesReentrant(doc, |
| 5434 | xmlBufferContent(cur->content)); |
| 5435 | #endif |
| 5436 | if (buffer != NULL) { |
| 5437 | xmlBufferWriteCHAR(buf, buffer); |
| 5438 | xmlFree(buffer); |
| 5439 | } |
| 5440 | } |
| 5441 | if (cur->children != NULL) { |
| 5442 | if (format) xmlBufferWriteChar(buf, "\n"); |
| 5443 | xmlNodeListDump(buf, doc, cur->children, |
| 5444 | (level >= 0?level+1:-1), format); |
| 5445 | if ((xmlIndentTreeOutput) && (format)) |
| 5446 | for (i = 0;i < level;i++) |
| 5447 | xmlBufferWriteChar(buf, " "); |
| 5448 | } |
| 5449 | xmlBufferWriteChar(buf, "</"); |
| 5450 | if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { |
| 5451 | xmlBufferWriteCHAR(buf, cur->ns->prefix); |
| 5452 | xmlBufferWriteChar(buf, ":"); |
| 5453 | } |
| 5454 | |
| 5455 | xmlBufferWriteCHAR(buf, cur->name); |
| 5456 | xmlBufferWriteChar(buf, ">"); |
| 5457 | } |
| 5458 | |
| 5459 | /** |
| 5460 | * xmlElemDump: |
| 5461 | * @f: the FILE * for the output |
| 5462 | * @doc: the document |
| 5463 | * @cur: the current node |
| 5464 | * |
| 5465 | * Dump an XML/HTML node, recursive behaviour,children are printed too. |
| 5466 | */ |
| 5467 | void |
| 5468 | xmlElemDump(FILE *f, xmlDocPtr doc, xmlNodePtr cur) { |
| 5469 | xmlBufferPtr buf; |
| 5470 | |
| 5471 | if (cur == NULL) { |
| 5472 | #ifdef DEBUG_TREE |
| 5473 | xmlGenericError(xmlGenericErrorContext, |
| 5474 | "xmlElemDump : cur == NULL\n"); |
| 5475 | #endif |
| 5476 | return; |
| 5477 | } |
| 5478 | if (doc == NULL) { |
| 5479 | #ifdef DEBUG_TREE |
| 5480 | xmlGenericError(xmlGenericErrorContext, |
| 5481 | "xmlElemDump : doc == NULL\n"); |
| 5482 | #endif |
| 5483 | } |
| 5484 | buf = xmlBufferCreate(); |
| 5485 | if (buf == NULL) return; |
| 5486 | if ((doc != NULL) && |
| 5487 | (doc->type == XML_HTML_DOCUMENT_NODE)) { |
| 5488 | #ifdef LIBXML_HTML_ENABLED |
| 5489 | htmlNodeDump(buf, doc, cur); |
| 5490 | #else |
| 5491 | xmlGenericError(xmlGenericErrorContext, |
| 5492 | "HTML support not compiled in\n"); |
| 5493 | #endif /* LIBXML_HTML_ENABLED */ |
| 5494 | } else |
| 5495 | xmlNodeDump(buf, doc, cur, 0, 1); |
| 5496 | xmlBufferDump(f, buf); |
| 5497 | xmlBufferFree(buf); |
| 5498 | } |
| 5499 | |
| 5500 | /************************************************************************ |
| 5501 | * * |
| 5502 | * Dumping XML tree content to an I/O output buffer * |
| 5503 | * * |
| 5504 | ************************************************************************/ |
| 5505 | |
| 5506 | void |
| 5507 | xmlNodeDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, |
| 5508 | int level, int format, const char *encoding); |
| 5509 | static void |
| 5510 | xmlNodeListDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, |
| 5511 | int level, int format, const char *encoding); |
| 5512 | /** |
| 5513 | * xmlNsDumpOutput: |
| 5514 | * @buf: the XML buffer output |
| 5515 | * @cur: a namespace |
| 5516 | * |
| 5517 | * Dump a local Namespace definition. |
| 5518 | * Should be called in the context of attributes dumps. |
| 5519 | */ |
| 5520 | static void |
| 5521 | xmlNsDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur) { |
| 5522 | if (cur == NULL) { |
| 5523 | #ifdef DEBUG_TREE |
| 5524 | xmlGenericError(xmlGenericErrorContext, |
| 5525 | "xmlNsDump : Ns == NULL\n"); |
| 5526 | #endif |
| 5527 | return; |
| 5528 | } |
| 5529 | if ((cur->type == XML_LOCAL_NAMESPACE) && (cur->href != NULL)) { |
| 5530 | /* Within the context of an element attributes */ |
| 5531 | if (cur->prefix != NULL) { |
| 5532 | xmlOutputBufferWriteString(buf, " xmlns:"); |
| 5533 | xmlOutputBufferWriteString(buf, (const char *)cur->prefix); |
| 5534 | } else |
| 5535 | xmlOutputBufferWriteString(buf, " xmlns"); |
| 5536 | xmlOutputBufferWriteString(buf, "="); |
| 5537 | xmlBufferWriteQuotedString(buf->buffer, cur->href); |
| 5538 | } |
| 5539 | } |
| 5540 | |
| 5541 | /** |
| 5542 | * xmlNsListDumpOutput: |
| 5543 | * @buf: the XML buffer output |
| 5544 | * @cur: the first namespace |
| 5545 | * |
| 5546 | * Dump a list of local Namespace definitions. |
| 5547 | * Should be called in the context of attributes dumps. |
| 5548 | */ |
| 5549 | static void |
| 5550 | xmlNsListDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur) { |
| 5551 | while (cur != NULL) { |
| 5552 | xmlNsDumpOutput(buf, cur); |
| 5553 | cur = cur->next; |
| 5554 | } |
| 5555 | } |
| 5556 | |
| 5557 | /** |
| 5558 | * xmlDtdDumpOutput: |
| 5559 | * @buf: the XML buffer output |
| 5560 | * @doc: the document |
| 5561 | * @encoding: an optional encoding string |
| 5562 | * |
| 5563 | * Dump the XML document DTD, if any. |
| 5564 | */ |
| 5565 | static void |
| 5566 | xmlDtdDumpOutput(xmlOutputBufferPtr buf, xmlDtdPtr dtd, const char *encoding) { |
| 5567 | if (dtd == NULL) { |
| 5568 | #ifdef DEBUG_TREE |
| 5569 | xmlGenericError(xmlGenericErrorContext, |
| 5570 | "xmlDtdDump : no internal subset\n"); |
| 5571 | #endif |
| 5572 | return; |
| 5573 | } |
| 5574 | xmlOutputBufferWriteString(buf, "<!DOCTYPE "); |
| 5575 | xmlOutputBufferWriteString(buf, (const char *)dtd->name); |
| 5576 | if (dtd->ExternalID != NULL) { |
| 5577 | xmlOutputBufferWriteString(buf, " PUBLIC "); |
| 5578 | xmlBufferWriteQuotedString(buf->buffer, dtd->ExternalID); |
| 5579 | xmlOutputBufferWriteString(buf, " "); |
| 5580 | xmlBufferWriteQuotedString(buf->buffer, dtd->SystemID); |
| 5581 | } else if (dtd->SystemID != NULL) { |
| 5582 | xmlOutputBufferWriteString(buf, " SYSTEM "); |
| 5583 | xmlBufferWriteQuotedString(buf->buffer, dtd->SystemID); |
| 5584 | } |
| 5585 | if ((dtd->entities == NULL) && (dtd->elements == NULL) && |
| 5586 | (dtd->attributes == NULL) && (dtd->notations == NULL)) { |
| 5587 | xmlOutputBufferWriteString(buf, ">"); |
| 5588 | return; |
| 5589 | } |
| 5590 | xmlOutputBufferWriteString(buf, " [\n"); |
| 5591 | xmlNodeListDumpOutput(buf, dtd->doc, dtd->children, -1, 0, encoding); |
| 5592 | xmlOutputBufferWriteString(buf, "]>"); |
| 5593 | } |
| 5594 | |
| 5595 | /** |
| 5596 | * xmlAttrDumpOutput: |
| 5597 | * @buf: the XML buffer output |
| 5598 | * @doc: the document |
| 5599 | * @cur: the attribute pointer |
| 5600 | * @encoding: an optional encoding string |
| 5601 | * |
| 5602 | * Dump an XML attribute |
| 5603 | */ |
| 5604 | static void |
| 5605 | xmlAttrDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur, |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 5606 | const char *encoding ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5607 | xmlChar *value; |
| 5608 | |
| 5609 | if (cur == NULL) { |
| 5610 | #ifdef DEBUG_TREE |
| 5611 | xmlGenericError(xmlGenericErrorContext, |
| 5612 | "xmlAttrDump : property == NULL\n"); |
| 5613 | #endif |
| 5614 | return; |
| 5615 | } |
| 5616 | xmlOutputBufferWriteString(buf, " "); |
| 5617 | if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { |
| 5618 | xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix); |
| 5619 | xmlOutputBufferWriteString(buf, ":"); |
| 5620 | } |
| 5621 | xmlOutputBufferWriteString(buf, (const char *)cur->name); |
| 5622 | value = xmlNodeListGetString(doc, cur->children, 0); |
| 5623 | if (value) { |
| 5624 | xmlOutputBufferWriteString(buf, "="); |
| 5625 | xmlBufferWriteQuotedString(buf->buffer, value); |
| 5626 | xmlFree(value); |
| 5627 | } else { |
| 5628 | xmlOutputBufferWriteString(buf, "=\"\""); |
| 5629 | } |
| 5630 | } |
| 5631 | |
| 5632 | /** |
| 5633 | * xmlAttrListDumpOutput: |
| 5634 | * @buf: the XML buffer output |
| 5635 | * @doc: the document |
| 5636 | * @cur: the first attribute pointer |
| 5637 | * @encoding: an optional encoding string |
| 5638 | * |
| 5639 | * Dump a list of XML attributes |
| 5640 | */ |
| 5641 | static void |
| 5642 | xmlAttrListDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, |
| 5643 | xmlAttrPtr cur, const char *encoding) { |
| 5644 | if (cur == NULL) { |
| 5645 | #ifdef DEBUG_TREE |
| 5646 | xmlGenericError(xmlGenericErrorContext, |
| 5647 | "xmlAttrListDump : property == NULL\n"); |
| 5648 | #endif |
| 5649 | return; |
| 5650 | } |
| 5651 | while (cur != NULL) { |
| 5652 | xmlAttrDumpOutput(buf, doc, cur, encoding); |
| 5653 | cur = cur->next; |
| 5654 | } |
| 5655 | } |
| 5656 | |
| 5657 | |
| 5658 | |
| 5659 | /** |
| 5660 | * xmlNodeListDumpOutput: |
| 5661 | * @buf: the XML buffer output |
| 5662 | * @doc: the document |
| 5663 | * @cur: the first node |
| 5664 | * @level: the imbrication level for indenting |
| 5665 | * @format: is formatting allowed |
| 5666 | * @encoding: an optional encoding string |
| 5667 | * |
| 5668 | * Dump an XML node list, recursive behaviour,children are printed too. |
| 5669 | */ |
| 5670 | static void |
| 5671 | xmlNodeListDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, |
| 5672 | xmlNodePtr cur, int level, int format, const char *encoding) { |
| 5673 | int i; |
| 5674 | |
| 5675 | if (cur == NULL) { |
| 5676 | #ifdef DEBUG_TREE |
| 5677 | xmlGenericError(xmlGenericErrorContext, |
| 5678 | "xmlNodeListDump : node == NULL\n"); |
| 5679 | #endif |
| 5680 | return; |
| 5681 | } |
| 5682 | while (cur != NULL) { |
| 5683 | if ((format) && (xmlIndentTreeOutput) && |
| 5684 | (cur->type == XML_ELEMENT_NODE)) |
| 5685 | for (i = 0;i < level;i++) |
| 5686 | xmlOutputBufferWriteString(buf, " "); |
| 5687 | xmlNodeDumpOutput(buf, doc, cur, level, format, encoding); |
| 5688 | if (format) { |
| 5689 | xmlOutputBufferWriteString(buf, "\n"); |
| 5690 | } |
| 5691 | cur = cur->next; |
| 5692 | } |
| 5693 | } |
| 5694 | |
| 5695 | /** |
| 5696 | * xmlNodeDumpOutput: |
| 5697 | * @buf: the XML buffer output |
| 5698 | * @doc: the document |
| 5699 | * @cur: the current node |
| 5700 | * @level: the imbrication level for indenting |
| 5701 | * @format: is formatting allowed |
| 5702 | * @encoding: an optional encoding string |
| 5703 | * |
| 5704 | * Dump an XML node, recursive behaviour,children are printed too. |
| 5705 | */ |
| 5706 | void |
| 5707 | xmlNodeDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, |
| 5708 | int level, int format, const char *encoding) { |
| 5709 | int i; |
| 5710 | xmlNodePtr tmp; |
| 5711 | |
| 5712 | if (cur == NULL) { |
| 5713 | #ifdef DEBUG_TREE |
| 5714 | xmlGenericError(xmlGenericErrorContext, |
| 5715 | "xmlNodeDump : node == NULL\n"); |
| 5716 | #endif |
| 5717 | return; |
| 5718 | } |
| 5719 | if (cur->type == XML_XINCLUDE_START) |
| 5720 | return; |
| 5721 | if (cur->type == XML_XINCLUDE_END) |
| 5722 | return; |
| 5723 | if (cur->type == XML_DTD_NODE) { |
| 5724 | xmlDtdDumpOutput(buf, (xmlDtdPtr) cur, encoding); |
| 5725 | return; |
| 5726 | } |
| 5727 | if (cur->type == XML_ELEMENT_DECL) { |
| 5728 | xmlDumpElementDecl(buf->buffer, (xmlElementPtr) cur); |
| 5729 | return; |
| 5730 | } |
| 5731 | if (cur->type == XML_ATTRIBUTE_DECL) { |
| 5732 | xmlDumpAttributeDecl(buf->buffer, (xmlAttributePtr) cur); |
| 5733 | return; |
| 5734 | } |
| 5735 | if (cur->type == XML_ENTITY_DECL) { |
| 5736 | xmlDumpEntityDecl(buf->buffer, (xmlEntityPtr) cur); |
| 5737 | return; |
| 5738 | } |
| 5739 | if (cur->type == XML_TEXT_NODE) { |
| 5740 | if (cur->content != NULL) { |
| 5741 | if ((cur->name == xmlStringText) || |
| 5742 | (cur->name != xmlStringTextNoenc)) { |
| 5743 | xmlChar *buffer; |
| 5744 | |
| 5745 | #ifndef XML_USE_BUFFER_CONTENT |
| 5746 | if (encoding == NULL) |
| 5747 | buffer = xmlEncodeEntitiesReentrant(doc, cur->content); |
| 5748 | else |
| 5749 | buffer = xmlEncodeSpecialChars(doc, cur->content); |
| 5750 | #else |
| 5751 | if (encoding == NULL) |
| 5752 | buffer = xmlEncodeEntitiesReentrant(doc, |
| 5753 | xmlBufferContent(cur->content)); |
| 5754 | else |
| 5755 | buffer = xmlEncodeSpecialChars(doc, |
| 5756 | xmlBufferContent(cur->content)); |
| 5757 | #endif |
| 5758 | if (buffer != NULL) { |
| 5759 | xmlOutputBufferWriteString(buf, (const char *)buffer); |
| 5760 | xmlFree(buffer); |
| 5761 | } |
| 5762 | } else { |
| 5763 | /* |
| 5764 | * Disable escaping, needed for XSLT |
| 5765 | */ |
| 5766 | #ifndef XML_USE_BUFFER_CONTENT |
| 5767 | xmlOutputBufferWriteString(buf, (const char *) cur->content); |
| 5768 | #else |
| 5769 | xmlOutputBufferWriteString(buf, xmlBufferContent(cur->content)); |
| 5770 | #endif |
| 5771 | } |
| 5772 | } |
| 5773 | |
| 5774 | return; |
| 5775 | } |
| 5776 | if (cur->type == XML_PI_NODE) { |
| 5777 | if (cur->content != NULL) { |
| 5778 | xmlOutputBufferWriteString(buf, "<?"); |
| 5779 | xmlOutputBufferWriteString(buf, (const char *)cur->name); |
| 5780 | if (cur->content != NULL) { |
| 5781 | xmlOutputBufferWriteString(buf, " "); |
| 5782 | #ifndef XML_USE_BUFFER_CONTENT |
| 5783 | xmlOutputBufferWriteString(buf, (const char *)cur->content); |
| 5784 | #else |
| 5785 | xmlOutputBufferWriteString(buf, (const char *)xmlBufferContent(cur->content)); |
| 5786 | #endif |
| 5787 | } |
| 5788 | xmlOutputBufferWriteString(buf, "?>"); |
| 5789 | } else { |
| 5790 | xmlOutputBufferWriteString(buf, "<?"); |
| 5791 | xmlOutputBufferWriteString(buf, (const char *)cur->name); |
| 5792 | xmlOutputBufferWriteString(buf, "?>"); |
| 5793 | } |
| 5794 | return; |
| 5795 | } |
| 5796 | if (cur->type == XML_COMMENT_NODE) { |
| 5797 | if (cur->content != NULL) { |
| 5798 | xmlOutputBufferWriteString(buf, "<!--"); |
| 5799 | #ifndef XML_USE_BUFFER_CONTENT |
| 5800 | xmlOutputBufferWriteString(buf, (const char *)cur->content); |
| 5801 | #else |
| 5802 | xmlOutputBufferWriteString(buf, (const char *)xmlBufferContent(cur->content)); |
| 5803 | #endif |
| 5804 | xmlOutputBufferWriteString(buf, "-->"); |
| 5805 | } |
| 5806 | return; |
| 5807 | } |
| 5808 | if (cur->type == XML_ENTITY_REF_NODE) { |
| 5809 | xmlOutputBufferWriteString(buf, "&"); |
| 5810 | xmlOutputBufferWriteString(buf, (const char *)cur->name); |
| 5811 | xmlOutputBufferWriteString(buf, ";"); |
| 5812 | return; |
| 5813 | } |
| 5814 | if (cur->type == XML_CDATA_SECTION_NODE) { |
| 5815 | xmlOutputBufferWriteString(buf, "<![CDATA["); |
| 5816 | if (cur->content != NULL) |
| 5817 | #ifndef XML_USE_BUFFER_CONTENT |
| 5818 | xmlOutputBufferWriteString(buf, (const char *)cur->content); |
| 5819 | #else |
| 5820 | xmlOutputBufferWriteString(buf, (const char *)xmlBufferContent(cur->content)); |
| 5821 | #endif |
| 5822 | xmlOutputBufferWriteString(buf, "]]>"); |
| 5823 | return; |
| 5824 | } |
| 5825 | |
| 5826 | if (format == 1) { |
| 5827 | tmp = cur->children; |
| 5828 | while (tmp != NULL) { |
| 5829 | if ((tmp->type == XML_TEXT_NODE) || |
| 5830 | (tmp->type == XML_ENTITY_REF_NODE)) { |
| 5831 | format = 0; |
| 5832 | break; |
| 5833 | } |
| 5834 | tmp = tmp->next; |
| 5835 | } |
| 5836 | } |
| 5837 | xmlOutputBufferWriteString(buf, "<"); |
| 5838 | if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { |
| 5839 | xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix); |
| 5840 | xmlOutputBufferWriteString(buf, ":"); |
| 5841 | } |
| 5842 | |
| 5843 | xmlOutputBufferWriteString(buf, (const char *)cur->name); |
| 5844 | if (cur->nsDef) |
| 5845 | xmlNsListDumpOutput(buf, cur->nsDef); |
| 5846 | if (cur->properties != NULL) |
| 5847 | xmlAttrListDumpOutput(buf, doc, cur->properties, encoding); |
| 5848 | |
| 5849 | if ((cur->content == NULL) && (cur->children == NULL) && |
| 5850 | (!xmlSaveNoEmptyTags)) { |
| 5851 | xmlOutputBufferWriteString(buf, "/>"); |
| 5852 | return; |
| 5853 | } |
| 5854 | xmlOutputBufferWriteString(buf, ">"); |
| 5855 | if (cur->content != NULL) { |
| 5856 | xmlChar *buffer; |
| 5857 | |
| 5858 | #ifndef XML_USE_BUFFER_CONTENT |
| 5859 | if (encoding == NULL) |
| 5860 | buffer = xmlEncodeEntitiesReentrant(doc, cur->content); |
| 5861 | else |
| 5862 | buffer = xmlEncodeSpecialChars(doc, cur->content); |
| 5863 | #else |
| 5864 | if (encoding == NULL) |
| 5865 | buffer = xmlEncodeEntitiesReentrant(doc, |
| 5866 | xmlBufferContent(cur->content)); |
| 5867 | else |
| 5868 | buffer = xmlEncodeSpecialChars(doc, |
| 5869 | xmlBufferContent(cur->content)); |
| 5870 | #endif |
| 5871 | if (buffer != NULL) { |
| 5872 | xmlOutputBufferWriteString(buf, (const char *)buffer); |
| 5873 | xmlFree(buffer); |
| 5874 | } |
| 5875 | } |
| 5876 | if (cur->children != NULL) { |
| 5877 | if (format) xmlOutputBufferWriteString(buf, "\n"); |
| 5878 | xmlNodeListDumpOutput(buf, doc, cur->children, |
| 5879 | (level >= 0?level+1:-1), format, encoding); |
| 5880 | if ((xmlIndentTreeOutput) && (format)) |
| 5881 | for (i = 0;i < level;i++) |
| 5882 | xmlOutputBufferWriteString(buf, " "); |
| 5883 | } |
| 5884 | xmlOutputBufferWriteString(buf, "</"); |
| 5885 | if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { |
| 5886 | xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix); |
| 5887 | xmlOutputBufferWriteString(buf, ":"); |
| 5888 | } |
| 5889 | |
| 5890 | xmlOutputBufferWriteString(buf, (const char *)cur->name); |
| 5891 | xmlOutputBufferWriteString(buf, ">"); |
| 5892 | } |
| 5893 | |
| 5894 | /** |
| 5895 | * xmlDocContentDumpOutput: |
| 5896 | * @buf: the XML buffer output |
| 5897 | * @cur: the document |
| 5898 | * @encoding: an optional encoding string |
| 5899 | * @format: should formatting spaces been added |
| 5900 | * |
| 5901 | * Dump an XML document. |
| 5902 | */ |
| 5903 | static void |
| 5904 | xmlDocContentDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr cur, |
| 5905 | const char *encoding, int format) { |
| 5906 | xmlOutputBufferWriteString(buf, "<?xml version="); |
| 5907 | if (cur->version != NULL) |
| 5908 | xmlBufferWriteQuotedString(buf->buffer, cur->version); |
| 5909 | else |
| 5910 | xmlOutputBufferWriteString(buf, "\"1.0\""); |
| 5911 | if (encoding == NULL) { |
| 5912 | if (cur->encoding != NULL) |
| 5913 | encoding = (const char *) cur->encoding; |
| 5914 | else if (cur->charset != XML_CHAR_ENCODING_UTF8) |
| 5915 | encoding = xmlGetCharEncodingName((xmlCharEncoding) cur->charset); |
| 5916 | } |
| 5917 | if (encoding != NULL) { |
| 5918 | xmlOutputBufferWriteString(buf, " encoding="); |
| 5919 | xmlBufferWriteQuotedString(buf->buffer, (xmlChar *) encoding); |
| 5920 | } |
| 5921 | switch (cur->standalone) { |
| 5922 | case 0: |
| 5923 | xmlOutputBufferWriteString(buf, " standalone=\"no\""); |
| 5924 | break; |
| 5925 | case 1: |
| 5926 | xmlOutputBufferWriteString(buf, " standalone=\"yes\""); |
| 5927 | break; |
| 5928 | } |
| 5929 | xmlOutputBufferWriteString(buf, "?>\n"); |
| 5930 | if (cur->children != NULL) { |
| 5931 | xmlNodePtr child = cur->children; |
| 5932 | |
| 5933 | while (child != NULL) { |
| 5934 | xmlNodeDumpOutput(buf, cur, child, 0, format, encoding); |
| 5935 | xmlOutputBufferWriteString(buf, "\n"); |
| 5936 | child = child->next; |
| 5937 | } |
| 5938 | } |
| 5939 | } |
| 5940 | |
| 5941 | /************************************************************************ |
| 5942 | * * |
| 5943 | * Saving functions front-ends * |
| 5944 | * * |
| 5945 | ************************************************************************/ |
| 5946 | |
| 5947 | /** |
| 5948 | * xmlDocDumpMemoryEnc: |
| 5949 | * @out_doc: Document to generate XML text from |
| 5950 | * @doc_txt_ptr: Memory pointer for allocated XML text |
| 5951 | * @doc_txt_len: Length of the generated XML text |
| 5952 | * @txt_encoding: Character encoding to use when generating XML text |
| 5953 | * @format: should formatting spaces been added |
| 5954 | * |
| 5955 | * Dump the current DOM tree into memory using the character encoding specified |
| 5956 | * by the caller. Note it is up to the caller of this function to free the |
| 5957 | * allocated memory. |
| 5958 | */ |
| 5959 | |
| 5960 | void |
| 5961 | xmlDocDumpFormatMemoryEnc(xmlDocPtr out_doc, xmlChar **doc_txt_ptr, |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 5962 | int * doc_txt_len, const char * txt_encoding, |
Daniel Veillard | 1731d6a | 2001-04-10 16:38:06 +0000 | [diff] [blame] | 5963 | int format) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5964 | int dummy = 0; |
| 5965 | |
| 5966 | xmlCharEncoding doc_charset; |
| 5967 | xmlOutputBufferPtr out_buff = NULL; |
| 5968 | xmlCharEncodingHandlerPtr conv_hdlr = NULL; |
| 5969 | |
| 5970 | if (doc_txt_len == NULL) { |
| 5971 | doc_txt_len = &dummy; /* Continue, caller just won't get length */ |
| 5972 | } |
| 5973 | |
| 5974 | if (doc_txt_ptr == NULL) { |
| 5975 | *doc_txt_len = 0; |
| 5976 | xmlGenericError(xmlGenericErrorContext, |
| 5977 | "xmlDocDumpFormatMemoryEnc: Null return buffer pointer."); |
| 5978 | return; |
| 5979 | } |
| 5980 | |
| 5981 | *doc_txt_ptr = NULL; |
| 5982 | *doc_txt_len = 0; |
| 5983 | |
| 5984 | if (out_doc == NULL) { |
| 5985 | /* No document, no output */ |
| 5986 | xmlGenericError(xmlGenericErrorContext, |
| 5987 | "xmlDocDumpFormatMemoryEnc: Null DOM tree document pointer.\n"); |
| 5988 | return; |
| 5989 | } |
| 5990 | |
| 5991 | /* |
| 5992 | * Validate the encoding value, if provided. |
| 5993 | * This logic is copied from xmlSaveFileEnc. |
| 5994 | */ |
| 5995 | |
| 5996 | if (txt_encoding == NULL) |
| 5997 | txt_encoding = (const char *) out_doc->encoding; |
| 5998 | if (txt_encoding != NULL) { |
| 5999 | doc_charset = xmlParseCharEncoding(txt_encoding); |
| 6000 | |
| 6001 | if (out_doc->charset != XML_CHAR_ENCODING_UTF8) { |
| 6002 | xmlGenericError(xmlGenericErrorContext, |
| 6003 | "xmlDocDumpFormatMemoryEnc: Source document not in UTF8\n"); |
| 6004 | return; |
| 6005 | |
| 6006 | } else if (doc_charset != XML_CHAR_ENCODING_UTF8) { |
| 6007 | conv_hdlr = xmlFindCharEncodingHandler(txt_encoding); |
| 6008 | if ( conv_hdlr == NULL ) { |
| 6009 | xmlGenericError(xmlGenericErrorContext, |
| 6010 | "%s: %s %s '%s'\n", |
| 6011 | "xmlDocDumpFormatMemoryEnc", |
| 6012 | "Failed to identify encoding handler for", |
| 6013 | "character set", |
| 6014 | txt_encoding); |
| 6015 | return; |
| 6016 | } |
| 6017 | } |
| 6018 | } |
| 6019 | |
| 6020 | if ((out_buff = xmlAllocOutputBuffer(conv_hdlr)) == NULL ) { |
| 6021 | xmlGenericError(xmlGenericErrorContext, |
| 6022 | "xmlDocDumpFormatMemoryEnc: Failed to allocate output buffer.\n"); |
| 6023 | return; |
| 6024 | } |
| 6025 | |
Daniel Veillard | 1731d6a | 2001-04-10 16:38:06 +0000 | [diff] [blame] | 6026 | xmlDocContentDumpOutput(out_buff, out_doc, txt_encoding, format); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6027 | xmlOutputBufferFlush(out_buff); |
| 6028 | if (out_buff->conv != NULL) { |
| 6029 | *doc_txt_len = out_buff->conv->use; |
| 6030 | *doc_txt_ptr = xmlStrndup(out_buff->conv->content, *doc_txt_len); |
| 6031 | } else { |
| 6032 | *doc_txt_len = out_buff->buffer->use; |
| 6033 | *doc_txt_ptr = xmlStrndup(out_buff->buffer->content, *doc_txt_len); |
| 6034 | } |
| 6035 | (void)xmlOutputBufferClose(out_buff); |
| 6036 | |
| 6037 | if ((*doc_txt_ptr == NULL) && (*doc_txt_len > 0)) { |
| 6038 | *doc_txt_len = 0; |
| 6039 | xmlGenericError(xmlGenericErrorContext, |
| 6040 | "xmlDocDumpFormatMemoryEnc: %s\n", |
| 6041 | "Failed to allocate memory for document text representation."); |
| 6042 | } |
| 6043 | |
| 6044 | return; |
| 6045 | } |
| 6046 | |
| 6047 | /** |
| 6048 | * xmlDocDumpMemory: |
| 6049 | * @cur: the document |
| 6050 | * @mem: OUT: the memory pointer |
| 6051 | * @size: OUT: the memory lenght |
| 6052 | * |
| 6053 | * Dump an XML document in memory and return the xmlChar * and it's size. |
| 6054 | * It's up to the caller to free the memory. |
| 6055 | */ |
| 6056 | void |
| 6057 | xmlDocDumpMemory(xmlDocPtr cur, xmlChar**mem, int *size) { |
| 6058 | xmlDocDumpFormatMemoryEnc(cur, mem, size, NULL, 0); |
| 6059 | } |
| 6060 | |
| 6061 | /** |
| 6062 | * xmlDocDumpFormatMemory: |
| 6063 | * @cur: the document |
| 6064 | * @mem: OUT: the memory pointer |
| 6065 | * @size: OUT: the memory lenght |
| 6066 | * @format: should formatting spaces been added |
| 6067 | * |
| 6068 | * |
| 6069 | * Dump an XML document in memory and return the xmlChar * and it's size. |
| 6070 | * It's up to the caller to free the memory. |
| 6071 | */ |
| 6072 | void |
| 6073 | xmlDocDumpFormatMemory(xmlDocPtr cur, xmlChar**mem, int *size, int format) { |
| 6074 | xmlDocDumpFormatMemoryEnc(cur, mem, size, NULL, format); |
| 6075 | } |
| 6076 | |
| 6077 | /** |
| 6078 | * xmlDocDumpMemoryEnc: |
| 6079 | * @out_doc: Document to generate XML text from |
| 6080 | * @doc_txt_ptr: Memory pointer for allocated XML text |
| 6081 | * @doc_txt_len: Length of the generated XML text |
| 6082 | * @txt_encoding: Character encoding to use when generating XML text |
| 6083 | * |
| 6084 | * Dump the current DOM tree into memory using the character encoding specified |
| 6085 | * by the caller. Note it is up to the caller of this function to free the |
| 6086 | * allocated memory. |
| 6087 | */ |
| 6088 | |
| 6089 | void |
| 6090 | xmlDocDumpMemoryEnc(xmlDocPtr out_doc, xmlChar **doc_txt_ptr, |
| 6091 | int * doc_txt_len, const char * txt_encoding) { |
| 6092 | xmlDocDumpFormatMemoryEnc(out_doc, doc_txt_ptr, doc_txt_len, |
Daniel Veillard | 1731d6a | 2001-04-10 16:38:06 +0000 | [diff] [blame] | 6093 | txt_encoding, 0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6094 | } |
| 6095 | |
| 6096 | /** |
| 6097 | * xmlGetDocCompressMode: |
| 6098 | * @doc: the document |
| 6099 | * |
| 6100 | * get the compression ratio for a document, ZLIB based |
| 6101 | * Returns 0 (uncompressed) to 9 (max compression) |
| 6102 | */ |
| 6103 | int |
| 6104 | xmlGetDocCompressMode (xmlDocPtr doc) { |
| 6105 | if (doc == NULL) return(-1); |
| 6106 | return(doc->compression); |
| 6107 | } |
| 6108 | |
| 6109 | /** |
| 6110 | * xmlSetDocCompressMode: |
| 6111 | * @doc: the document |
| 6112 | * @mode: the compression ratio |
| 6113 | * |
| 6114 | * set the compression ratio for a document, ZLIB based |
| 6115 | * Correct values: 0 (uncompressed) to 9 (max compression) |
| 6116 | */ |
| 6117 | void |
| 6118 | xmlSetDocCompressMode (xmlDocPtr doc, int mode) { |
| 6119 | if (doc == NULL) return; |
| 6120 | if (mode < 0) doc->compression = 0; |
| 6121 | else if (mode > 9) doc->compression = 9; |
| 6122 | else doc->compression = mode; |
| 6123 | } |
| 6124 | |
| 6125 | /** |
| 6126 | * xmlGetCompressMode: |
| 6127 | * |
| 6128 | * get the default compression mode used, ZLIB based. |
| 6129 | * Returns 0 (uncompressed) to 9 (max compression) |
| 6130 | */ |
| 6131 | int |
| 6132 | xmlGetCompressMode(void) { |
| 6133 | return(xmlCompressMode); |
| 6134 | } |
| 6135 | |
| 6136 | /** |
| 6137 | * xmlSetCompressMode: |
| 6138 | * @mode: the compression ratio |
| 6139 | * |
| 6140 | * set the default compression mode used, ZLIB based |
| 6141 | * Correct values: 0 (uncompressed) to 9 (max compression) |
| 6142 | */ |
| 6143 | void |
| 6144 | xmlSetCompressMode(int mode) { |
| 6145 | if (mode < 0) xmlCompressMode = 0; |
| 6146 | else if (mode > 9) xmlCompressMode = 9; |
| 6147 | else xmlCompressMode = mode; |
| 6148 | } |
| 6149 | |
| 6150 | /** |
| 6151 | * xmlDocDump: |
| 6152 | * @f: the FILE* |
| 6153 | * @cur: the document |
| 6154 | * |
| 6155 | * Dump an XML document to an open FILE. |
| 6156 | * |
| 6157 | * returns: the number of byte written or -1 in case of failure. |
| 6158 | */ |
| 6159 | int |
| 6160 | xmlDocDump(FILE *f, xmlDocPtr cur) { |
| 6161 | xmlOutputBufferPtr buf; |
| 6162 | const char * encoding; |
| 6163 | xmlCharEncodingHandlerPtr handler = NULL; |
| 6164 | int ret; |
| 6165 | |
| 6166 | if (cur == NULL) { |
| 6167 | #ifdef DEBUG_TREE |
| 6168 | xmlGenericError(xmlGenericErrorContext, |
| 6169 | "xmlDocDump : document == NULL\n"); |
| 6170 | #endif |
| 6171 | return(-1); |
| 6172 | } |
| 6173 | encoding = (const char *) cur->encoding; |
| 6174 | |
| 6175 | if (encoding != NULL) { |
| 6176 | xmlCharEncoding enc; |
| 6177 | |
| 6178 | enc = xmlParseCharEncoding(encoding); |
| 6179 | |
| 6180 | if (cur->charset != XML_CHAR_ENCODING_UTF8) { |
| 6181 | xmlGenericError(xmlGenericErrorContext, |
| 6182 | "xmlDocDump: document not in UTF8\n"); |
| 6183 | return(-1); |
| 6184 | } |
| 6185 | if (enc != XML_CHAR_ENCODING_UTF8) { |
| 6186 | handler = xmlFindCharEncodingHandler(encoding); |
| 6187 | if (handler == NULL) { |
| 6188 | xmlFree((char *) cur->encoding); |
| 6189 | cur->encoding = NULL; |
| 6190 | } |
| 6191 | } |
| 6192 | } |
| 6193 | buf = xmlOutputBufferCreateFile(f, handler); |
| 6194 | if (buf == NULL) return(-1); |
Daniel Veillard | 1731d6a | 2001-04-10 16:38:06 +0000 | [diff] [blame] | 6195 | xmlDocContentDumpOutput(buf, cur, NULL, 0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6196 | |
| 6197 | ret = xmlOutputBufferClose(buf); |
| 6198 | return(ret); |
| 6199 | } |
| 6200 | |
| 6201 | /** |
| 6202 | * xmlSaveFileTo: |
| 6203 | * @buf: an output I/O buffer |
| 6204 | * @cur: the document |
| 6205 | * @encoding: the encoding if any assuming the i/O layer handles the trancoding |
| 6206 | * |
| 6207 | * Dump an XML document to an I/O buffer. |
| 6208 | * |
| 6209 | * returns: the number of byte written or -1 in case of failure. |
| 6210 | */ |
| 6211 | int |
| 6212 | xmlSaveFileTo(xmlOutputBuffer *buf, xmlDocPtr cur, const char *encoding) { |
| 6213 | int ret; |
| 6214 | |
| 6215 | if (buf == NULL) return(0); |
Daniel Veillard | 1731d6a | 2001-04-10 16:38:06 +0000 | [diff] [blame] | 6216 | xmlDocContentDumpOutput(buf, cur, encoding, 0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6217 | ret = xmlOutputBufferClose(buf); |
| 6218 | return(ret); |
| 6219 | } |
| 6220 | |
| 6221 | /** |
Daniel Veillard | eefd449 | 2001-04-28 16:55:50 +0000 | [diff] [blame] | 6222 | * xmlSaveFormatFileTo: |
| 6223 | * @buf: an output I/O buffer |
| 6224 | * @cur: the document |
| 6225 | * @encoding: the encoding if any assuming the i/O layer handles the trancoding |
| 6226 | * @format: should formatting spaces been added |
| 6227 | * |
| 6228 | * Dump an XML document to an I/O buffer. |
| 6229 | * |
| 6230 | * returns: the number of byte written or -1 in case of failure. |
| 6231 | */ |
| 6232 | int |
| 6233 | xmlSaveFormatFileTo(xmlOutputBuffer *buf, xmlDocPtr cur, const char *encoding, int format) { |
| 6234 | int ret; |
| 6235 | |
| 6236 | if (buf == NULL) return(0); |
| 6237 | xmlDocContentDumpOutput(buf, cur, encoding, format); |
| 6238 | ret = xmlOutputBufferClose(buf); |
| 6239 | return(ret); |
| 6240 | } |
| 6241 | |
| 6242 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6243 | * xmlSaveFileEnc: |
| 6244 | * @filename: the filename (or URL) |
| 6245 | * @cur: the document |
| 6246 | * @encoding: the name of an encoding (or NULL) |
| 6247 | * |
| 6248 | * Dump an XML document, converting it to the given encoding |
| 6249 | * |
| 6250 | * returns: the number of byte written or -1 in case of failure. |
| 6251 | */ |
| 6252 | int |
| 6253 | xmlSaveFileEnc(const char *filename, xmlDocPtr cur, const char *encoding) { |
| 6254 | xmlOutputBufferPtr buf; |
| 6255 | xmlCharEncodingHandlerPtr handler = NULL; |
| 6256 | int ret; |
| 6257 | |
| 6258 | if (encoding != NULL) { |
| 6259 | xmlCharEncoding enc; |
| 6260 | |
| 6261 | enc = xmlParseCharEncoding(encoding); |
| 6262 | if (cur->charset != XML_CHAR_ENCODING_UTF8) { |
| 6263 | xmlGenericError(xmlGenericErrorContext, |
| 6264 | "xmlSaveFileEnc: document not in UTF8\n"); |
| 6265 | return(-1); |
| 6266 | } |
| 6267 | if (enc != XML_CHAR_ENCODING_UTF8) { |
| 6268 | handler = xmlFindCharEncodingHandler(encoding); |
| 6269 | if (handler == NULL) { |
| 6270 | return(-1); |
| 6271 | } |
| 6272 | } |
| 6273 | } |
| 6274 | |
| 6275 | /* |
| 6276 | * save the content to a temp buffer. |
| 6277 | */ |
| 6278 | buf = xmlOutputBufferCreateFilename(filename, handler, 0); |
| 6279 | if (buf == NULL) return(-1); |
| 6280 | |
Daniel Veillard | 1731d6a | 2001-04-10 16:38:06 +0000 | [diff] [blame] | 6281 | xmlDocContentDumpOutput(buf, cur, encoding, 0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6282 | |
| 6283 | ret = xmlOutputBufferClose(buf); |
| 6284 | return(ret); |
| 6285 | } |
| 6286 | |
| 6287 | /** |
Daniel Veillard | 67fee94 | 2001-04-26 18:59:03 +0000 | [diff] [blame] | 6288 | * xmlSaveFormatFile: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6289 | * @filename: the filename (or URL) |
| 6290 | * @cur: the document |
Daniel Veillard | 67fee94 | 2001-04-26 18:59:03 +0000 | [diff] [blame] | 6291 | * @format: should formatting spaces been added |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6292 | * |
| 6293 | * Dump an XML document to a file. Will use compression if |
| 6294 | * compiled in and enabled. If @filename is "-" the stdout file is |
Daniel Veillard | 67fee94 | 2001-04-26 18:59:03 +0000 | [diff] [blame] | 6295 | * used. If format is set then the document will be indented on output. |
| 6296 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6297 | * returns: the number of byte written or -1 in case of failure. |
| 6298 | */ |
| 6299 | int |
Daniel Veillard | 67fee94 | 2001-04-26 18:59:03 +0000 | [diff] [blame] | 6300 | xmlSaveFormatFile(const char *filename, xmlDocPtr cur, int format) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6301 | xmlOutputBufferPtr buf; |
| 6302 | const char *encoding; |
| 6303 | xmlCharEncodingHandlerPtr handler = NULL; |
| 6304 | int ret; |
| 6305 | |
| 6306 | if (cur == NULL) |
| 6307 | return(-1); |
| 6308 | encoding = (const char *) cur->encoding; |
| 6309 | |
| 6310 | /* |
| 6311 | * save the content to a temp buffer. |
| 6312 | */ |
| 6313 | #ifdef HAVE_ZLIB_H |
| 6314 | if (cur->compression < 0) cur->compression = xmlCompressMode; |
| 6315 | #endif |
| 6316 | if (encoding != NULL) { |
| 6317 | xmlCharEncoding enc; |
| 6318 | |
| 6319 | enc = xmlParseCharEncoding(encoding); |
| 6320 | |
| 6321 | if (cur->charset != XML_CHAR_ENCODING_UTF8) { |
| 6322 | xmlGenericError(xmlGenericErrorContext, |
| 6323 | "xmlSaveFile: document not in UTF8\n"); |
| 6324 | return(-1); |
| 6325 | } |
| 6326 | if (enc != XML_CHAR_ENCODING_UTF8) { |
| 6327 | handler = xmlFindCharEncodingHandler(encoding); |
| 6328 | if (handler == NULL) { |
| 6329 | xmlFree((char *) cur->encoding); |
| 6330 | cur->encoding = NULL; |
| 6331 | } |
| 6332 | } |
| 6333 | } |
| 6334 | |
| 6335 | buf = xmlOutputBufferCreateFilename(filename, handler, cur->compression); |
| 6336 | if (buf == NULL) return(-1); |
| 6337 | |
Daniel Veillard | 67fee94 | 2001-04-26 18:59:03 +0000 | [diff] [blame] | 6338 | xmlDocContentDumpOutput(buf, cur, NULL, format); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6339 | |
| 6340 | ret = xmlOutputBufferClose(buf); |
| 6341 | return(ret); |
| 6342 | } |
| 6343 | |
Daniel Veillard | 67fee94 | 2001-04-26 18:59:03 +0000 | [diff] [blame] | 6344 | /** |
| 6345 | * xmlSaveFile: |
| 6346 | * @filename: the filename (or URL) |
| 6347 | * @cur: the document |
| 6348 | * |
| 6349 | * Dump an XML document to a file. Will use compression if |
| 6350 | * compiled in and enabled. If @filename is "-" the stdout file is |
| 6351 | * used. |
| 6352 | * returns: the number of byte written or -1 in case of failure. |
| 6353 | */ |
| 6354 | int |
| 6355 | xmlSaveFile(const char *filename, xmlDocPtr cur) { |
| 6356 | return(xmlSaveFormatFile(filename, cur, 0)); |
| 6357 | } |
| 6358 | |