Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1 | /* |
| 2 | * xmlreader.c: implements the xmlTextReader streaming node API |
| 3 | * |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 4 | * NOTE: |
| 5 | * XmlTextReader.Normalization Property won't be supported, since |
| 6 | * it makes the parser non compliant to the XML recommendation |
| 7 | * |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 8 | * See Copyright for the status of this software. |
| 9 | * |
| 10 | * daniel@veillard.com |
| 11 | */ |
| 12 | |
| 13 | #define IN_LIBXML |
| 14 | #include "libxml.h" |
| 15 | |
| 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 | |
| 25 | #include <libxml/xmlmemory.h> |
| 26 | #include <libxml/xmlIO.h> |
| 27 | #include <libxml/xmlreader.h> |
| 28 | |
| 29 | /* #define DEBUG_CALLBACKS */ |
| 30 | /* #define DEBUG_READER */ |
| 31 | |
| 32 | /** |
| 33 | * TODO: |
| 34 | * |
| 35 | * macro to flag unimplemented blocks |
| 36 | */ |
| 37 | #define TODO \ |
| 38 | xmlGenericError(xmlGenericErrorContext, \ |
| 39 | "Unimplemented block at %s:%d\n", \ |
| 40 | __FILE__, __LINE__); |
| 41 | |
| 42 | #ifdef DEBUG_READER |
| 43 | #define DUMP_READER xmlTextReaderDebug(reader); |
| 44 | #else |
| 45 | #define DUMP_READER |
| 46 | #endif |
| 47 | |
| 48 | /************************************************************************ |
| 49 | * * |
| 50 | * The parser: maps the Text Reader API on top of the existing * |
| 51 | * parsing routines building a tree * |
| 52 | * * |
| 53 | ************************************************************************/ |
| 54 | |
| 55 | #define XML_TEXTREADER_INPUT 1 |
| 56 | #define XML_TEXTREADER_CTXT 2 |
| 57 | |
| 58 | typedef enum { |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 59 | XML_TEXTREADER_MODE_INITIAL = 0, |
| 60 | XML_TEXTREADER_MODE_INTERACTIVE = 1, |
| 61 | XML_TEXTREADER_MODE_ERROR = 2, |
| 62 | XML_TEXTREADER_MODE_EOF =3, |
| 63 | XML_TEXTREADER_MODE_CLOSED = 4, |
| 64 | XML_TEXTREADER_MODE_READING = 5 |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 65 | } xmlTextReaderMode; |
| 66 | |
| 67 | typedef enum { |
| 68 | XML_TEXTREADER_NONE = -1, |
| 69 | XML_TEXTREADER_START= 0, |
| 70 | XML_TEXTREADER_ELEMENT= 1, |
| 71 | XML_TEXTREADER_END= 2, |
| 72 | XML_TEXTREADER_EMPTY= 3, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 73 | XML_TEXTREADER_BACKTRACK= 4, |
| 74 | XML_TEXTREADER_DONE= 5 |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 75 | } xmlTextReaderState; |
| 76 | |
| 77 | struct _xmlTextReader { |
| 78 | int mode; /* the parsing mode */ |
| 79 | int allocs; /* what structure were deallocated */ |
| 80 | xmlTextReaderState state; |
| 81 | xmlParserCtxtPtr ctxt; /* the parser context */ |
| 82 | xmlSAXHandlerPtr sax; /* the parser SAX callbacks */ |
| 83 | xmlParserInputBufferPtr input; /* the input */ |
| 84 | startElementSAXFunc startElement;/* initial SAX callbacks */ |
| 85 | endElementSAXFunc endElement; /* idem */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 86 | charactersSAXFunc characters; |
| 87 | cdataBlockSAXFunc cdataBlock; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 88 | unsigned int base; /* base of the segment in the input */ |
| 89 | unsigned int cur; /* current position in the input */ |
| 90 | xmlNodePtr node; /* current node */ |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 91 | xmlNodePtr curnode;/* current attribute node */ |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 92 | int depth; /* depth of the current node */ |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 93 | xmlNodePtr faketext;/* fake xmlNs chld */ |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 94 | int wasempty;/* was the last node empty */ |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 95 | }; |
| 96 | |
| 97 | #ifdef DEBUG_READER |
| 98 | static void |
| 99 | xmlTextReaderDebug(xmlTextReaderPtr reader) { |
| 100 | if ((reader == NULL) || (reader->ctxt == NULL)) { |
| 101 | fprintf(stderr, "xmlTextReader NULL\n"); |
| 102 | return; |
| 103 | } |
| 104 | fprintf(stderr, "xmlTextReader: state %d depth %d ", |
| 105 | reader->state, reader->depth); |
| 106 | if (reader->node == NULL) { |
| 107 | fprintf(stderr, "node = NULL\n"); |
| 108 | } else { |
| 109 | fprintf(stderr, "node %s\n", reader->node->name); |
| 110 | } |
| 111 | fprintf(stderr, " input: base %d, cur %d, depth %d: ", |
| 112 | reader->base, reader->cur, reader->ctxt->nodeNr); |
| 113 | if (reader->input->buffer == NULL) { |
| 114 | fprintf(stderr, "buffer is NULL\n"); |
| 115 | } else { |
| 116 | #ifdef LIBXML_DEBUG_ENABLED |
| 117 | xmlDebugDumpString(stderr, |
| 118 | &reader->input->buffer->content[reader->cur]); |
| 119 | #endif |
| 120 | fprintf(stderr, "\n"); |
| 121 | } |
| 122 | } |
| 123 | #endif |
| 124 | |
| 125 | /** |
| 126 | * xmlTextReaderStartElement: |
| 127 | * @ctx: the user data (XML parser context) |
| 128 | * @fullname: The element name, including namespace prefix |
| 129 | * @atts: An array of name/value attributes pairs, NULL terminated |
| 130 | * |
| 131 | * called when an opening tag has been processed. |
| 132 | */ |
| 133 | static void |
| 134 | xmlTextReaderStartElement(void *ctx, const xmlChar *fullname, |
| 135 | const xmlChar **atts) { |
| 136 | xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
| 137 | xmlTextReaderPtr reader = ctxt->_private; |
| 138 | |
| 139 | #ifdef DEBUG_CALLBACKS |
| 140 | printf("xmlTextReaderStartElement(%s)\n", fullname); |
| 141 | #endif |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 142 | if ((reader != NULL) && (reader->startElement != NULL)) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 143 | reader->startElement(ctx, fullname, atts); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 144 | if (ctxt->validate) { |
| 145 | ctxt->valid &= xmlValidatePushElement(&ctxt->vctxt, ctxt->myDoc, |
| 146 | ctxt->node, fullname); |
| 147 | } |
| 148 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 149 | reader->state = XML_TEXTREADER_ELEMENT; |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * xmlTextReaderEndElement: |
| 154 | * @ctx: the user data (XML parser context) |
| 155 | * @fullname: The element name, including namespace prefix |
| 156 | * |
| 157 | * called when an ending tag has been processed. |
| 158 | */ |
| 159 | static void |
| 160 | xmlTextReaderEndElement(void *ctx, const xmlChar *fullname) { |
| 161 | xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
| 162 | xmlTextReaderPtr reader = ctxt->_private; |
| 163 | |
| 164 | #ifdef DEBUG_CALLBACKS |
| 165 | printf("xmlTextReaderEndElement(%s)\n", fullname); |
| 166 | #endif |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 167 | if ((reader != NULL) && (reader->endElement != NULL)) { |
| 168 | xmlNodePtr node = ctxt->node; |
| 169 | |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 170 | reader->endElement(ctx, fullname); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 171 | |
| 172 | if (ctxt->validate) { |
| 173 | ctxt->valid &= xmlValidatePopElement(&ctxt->vctxt, ctxt->myDoc, |
| 174 | node, fullname); |
| 175 | } |
| 176 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 177 | if (reader->state == XML_TEXTREADER_ELEMENT) |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 178 | reader->wasempty = 1; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 179 | else |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 180 | reader->wasempty = 0; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | /** |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 184 | * xmlTextReaderCharacters: |
| 185 | * @ctx: the user data (XML parser context) |
| 186 | * @ch: a xmlChar string |
| 187 | * @len: the number of xmlChar |
| 188 | * |
| 189 | * receiving some chars from the parser. |
| 190 | */ |
| 191 | static void |
| 192 | xmlTextReaderCharacters(void *ctx, const xmlChar *ch, int len) |
| 193 | { |
| 194 | xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
| 195 | xmlTextReaderPtr reader = ctxt->_private; |
| 196 | |
| 197 | #ifdef DEBUG_CALLBACKS |
| 198 | printf("xmlTextReaderCharacters()\n"); |
| 199 | #endif |
| 200 | if ((reader != NULL) && (reader->characters != NULL)) { |
| 201 | reader->characters(ctx, ch, len); |
| 202 | |
| 203 | if (ctxt->validate) { |
| 204 | ctxt->valid &= xmlValidatePushCData(&ctxt->vctxt, ch, len); |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * xmlTextReaderCDataBlock: |
| 211 | * @ctx: the user data (XML parser context) |
| 212 | * @value: The pcdata content |
| 213 | * @len: the block length |
| 214 | * |
| 215 | * called when a pcdata block has been parsed |
| 216 | */ |
| 217 | static void |
| 218 | xmlTextReaderCDataBlock(void *ctx, const xmlChar *ch, int len) |
| 219 | { |
| 220 | xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
| 221 | xmlTextReaderPtr reader = ctxt->_private; |
| 222 | |
| 223 | #ifdef DEBUG_CALLBACKS |
| 224 | printf("xmlTextReaderCDataBlock()\n"); |
| 225 | #endif |
| 226 | if ((reader != NULL) && (reader->cdataBlock != NULL)) { |
| 227 | reader->cdataBlock(ctx, ch, len); |
| 228 | |
| 229 | if (ctxt->validate) { |
| 230 | ctxt->valid &= xmlValidatePushCData(&ctxt->vctxt, ch, len); |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | /** |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 236 | * xmlTextReaderPushData: |
| 237 | * @reader: the xmlTextReaderPtr used |
| 238 | * |
| 239 | * Push data down the progressive parser until a significant callback |
| 240 | * got raised. |
| 241 | * |
| 242 | * Returns -1 in case of failure, 0 otherwise |
| 243 | */ |
| 244 | static int |
| 245 | xmlTextReaderPushData(xmlTextReaderPtr reader) { |
| 246 | unsigned int cur = reader->cur; |
| 247 | xmlBufferPtr inbuf; |
| 248 | int val; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 249 | int oldstate; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 250 | |
| 251 | if ((reader->input == NULL) || (reader->input->buffer == NULL)) |
| 252 | return(-1); |
| 253 | |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 254 | oldstate = reader->state; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 255 | reader->state = XML_TEXTREADER_NONE; |
| 256 | inbuf = reader->input->buffer; |
| 257 | while (reader->state == XML_TEXTREADER_NONE) { |
| 258 | if (cur >= inbuf->use) { |
| 259 | /* |
| 260 | * Refill the buffer unless we are at the end of the stream |
| 261 | */ |
| 262 | if (reader->mode != XML_TEXTREADER_MODE_EOF) { |
| 263 | val = xmlParserInputBufferRead(reader->input, 4096); |
| 264 | if (val <= 0) { |
| 265 | reader->mode = XML_TEXTREADER_MODE_EOF; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 266 | reader->state = oldstate; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 267 | return(val); |
| 268 | } |
| 269 | } else |
| 270 | break; |
| 271 | } |
| 272 | if ((inbuf->content[cur] == '>') || (inbuf->content[cur] == '&')) { |
| 273 | cur = cur + 1; |
| 274 | val = xmlParseChunk(reader->ctxt, |
| 275 | (const char *) &inbuf->content[reader->cur], |
| 276 | cur - reader->cur, 0); |
| 277 | if (val != 0) |
| 278 | return(-1); |
| 279 | reader->cur = cur; |
| 280 | break; |
| 281 | } else { |
| 282 | cur = cur + 1; |
| 283 | |
| 284 | /* |
| 285 | * One may have to force a flush at some point when parsing really |
| 286 | * large CDATA sections |
| 287 | */ |
| 288 | if ((cur - reader->cur > 4096) && (reader->base == 0) && |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 289 | (reader->mode == XML_TEXTREADER_MODE_INTERACTIVE)) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 290 | cur = cur + 1; |
| 291 | val = xmlParseChunk(reader->ctxt, |
| 292 | (const char *) &inbuf->content[reader->cur], |
| 293 | cur - reader->cur, 0); |
| 294 | if (val != 0) |
| 295 | return(-1); |
| 296 | reader->cur = cur; |
| 297 | } |
| 298 | } |
| 299 | } |
| 300 | /* |
| 301 | * Discard the consumed input when needed and possible |
| 302 | */ |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 303 | if (reader->mode == XML_TEXTREADER_MODE_INTERACTIVE) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 304 | if ((reader->cur >= 4096) && (reader->base == 0)) { |
| 305 | val = xmlBufferShrink(inbuf, cur); |
| 306 | if (val >= 0) { |
| 307 | reader->cur -= val; |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | /* |
| 313 | * At the end of the stream signal that the work is done to the Push |
| 314 | * parser. |
| 315 | */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 316 | if (reader->mode == XML_TEXTREADER_MODE_EOF) { |
| 317 | if (reader->mode != XML_TEXTREADER_DONE) { |
| 318 | val = xmlParseChunk(reader->ctxt, |
| 319 | (const char *) &inbuf->content[reader->cur], 0, 1); |
| 320 | reader->mode = XML_TEXTREADER_DONE; |
| 321 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 322 | } |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 323 | reader->state = oldstate; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 324 | return(0); |
| 325 | } |
| 326 | |
| 327 | /** |
| 328 | * xmlTextReaderRead: |
| 329 | * @reader: the xmlTextReaderPtr used |
| 330 | * |
| 331 | * Moves the position of the current instance to the next node in |
| 332 | * the stream, exposing its properties. |
| 333 | * |
| 334 | * Returns 1 if the node was read successfully, 0 if there is no more |
| 335 | * nodes to read, or -1 in case of error |
| 336 | */ |
| 337 | int |
| 338 | xmlTextReaderRead(xmlTextReaderPtr reader) { |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 339 | int val, olddepth, wasempty; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 340 | xmlTextReaderState oldstate; |
| 341 | xmlNodePtr oldnode; |
| 342 | |
| 343 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 344 | return(-1); |
| 345 | if (reader->ctxt->wellFormed != 1) |
| 346 | return(-1); |
| 347 | |
| 348 | #ifdef DEBUG_READER |
| 349 | fprintf(stderr, "\nREAD "); |
| 350 | DUMP_READER |
| 351 | #endif |
Daniel Veillard | 29b3e28 | 2002-12-29 11:14:41 +0000 | [diff] [blame] | 352 | reader->curnode = NULL; |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 353 | if (reader->mode == XML_TEXTREADER_MODE_INITIAL) { |
| 354 | reader->mode = XML_TEXTREADER_MODE_INTERACTIVE; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 355 | /* |
| 356 | * Initial state |
| 357 | */ |
| 358 | do { |
| 359 | val = xmlTextReaderPushData(reader); |
| 360 | if (val < 0) |
| 361 | return(-1); |
| 362 | } while ((reader->ctxt->node == NULL) && |
| 363 | (reader->mode != XML_TEXTREADER_MODE_EOF)); |
| 364 | if (reader->ctxt->node == NULL) { |
| 365 | if (reader->ctxt->myDoc != NULL) |
| 366 | reader->node = reader->ctxt->myDoc->children; |
| 367 | if (reader->node == NULL) |
| 368 | return(-1); |
| 369 | } else { |
| 370 | reader->node = reader->ctxt->node; |
| 371 | } |
| 372 | reader->depth = 1; |
| 373 | return(1); |
| 374 | } |
| 375 | oldstate = reader->state; |
| 376 | olddepth = reader->ctxt->nodeNr; |
| 377 | oldnode = reader->node; |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 378 | wasempty = ((reader->wasempty == 1) && (reader->ctxt->node != NULL) && |
| 379 | (reader->ctxt->node->last == reader->node)); |
| 380 | |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 381 | /* |
| 382 | * If we are not backtracking on ancestors or examined nodes, |
| 383 | * that the parser didn't finished or that we arent at the end |
| 384 | * of stream, continue processing. |
| 385 | */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 386 | while (((oldstate == XML_TEXTREADER_BACKTRACK) || |
| 387 | (reader->node->children == NULL) || |
| 388 | (reader->node->type == XML_ENTITY_REF_NODE) || |
| 389 | (reader->node->type == XML_DTD_NODE)) && |
| 390 | (reader->node->next == NULL) && |
| 391 | (reader->ctxt->nodeNr == olddepth) && |
| 392 | (reader->ctxt->instate != XML_PARSER_EOF)) { |
| 393 | val = xmlTextReaderPushData(reader); |
| 394 | if (val < 0) |
| 395 | return(-1); |
| 396 | if (reader->node == NULL) |
| 397 | return(0); |
| 398 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 399 | if (oldstate != XML_TEXTREADER_BACKTRACK) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 400 | if ((reader->node->children != NULL) && |
| 401 | (reader->node->type != XML_ENTITY_REF_NODE) && |
| 402 | (reader->node->type != XML_DTD_NODE)) { |
| 403 | reader->node = reader->node->children; |
| 404 | reader->depth++; |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 405 | reader->state = XML_TEXTREADER_ELEMENT; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 406 | DUMP_READER |
| 407 | return(1); |
| 408 | } |
| 409 | } |
| 410 | if (reader->node->next != NULL) { |
| 411 | if ((oldstate == XML_TEXTREADER_ELEMENT) && |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 412 | (reader->node->type == XML_ELEMENT_NODE) && |
| 413 | (wasempty == 0)) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 414 | reader->state = XML_TEXTREADER_END; |
| 415 | DUMP_READER |
| 416 | return(1); |
| 417 | } |
| 418 | reader->node = reader->node->next; |
| 419 | reader->state = XML_TEXTREADER_ELEMENT; |
| 420 | DUMP_READER |
| 421 | /* |
| 422 | * Cleanup of the old node |
| 423 | */ |
| 424 | if (oldnode->type != XML_DTD_NODE) { |
| 425 | xmlUnlinkNode(oldnode); |
| 426 | xmlFreeNode(oldnode); |
| 427 | } |
| 428 | |
| 429 | return(1); |
| 430 | } |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 431 | if ((oldstate == XML_TEXTREADER_ELEMENT) && |
| 432 | (reader->node->type == XML_ELEMENT_NODE)) { |
| 433 | reader->state = XML_TEXTREADER_END; |
| 434 | DUMP_READER |
| 435 | return(1); |
| 436 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 437 | reader->node = reader->node->parent; |
| 438 | if ((reader->node == NULL) || |
| 439 | (reader->node->type == XML_DOCUMENT_NODE) || |
| 440 | #ifdef LIBXML_DOCB_ENABLED |
| 441 | (reader->node->type == XML_DOCB_DOCUMENT_NODE) || |
| 442 | #endif |
| 443 | (reader->node->type == XML_HTML_DOCUMENT_NODE)) { |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 444 | if (reader->mode != XML_TEXTREADER_DONE) { |
| 445 | val = xmlParseChunk(reader->ctxt, "", 0, 1); |
| 446 | reader->mode = XML_TEXTREADER_DONE; |
| 447 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 448 | reader->node = NULL; |
| 449 | reader->depth = 0; |
| 450 | |
| 451 | /* |
| 452 | * Cleanup of the old node |
| 453 | */ |
| 454 | if (oldnode->type != XML_DTD_NODE) { |
| 455 | xmlUnlinkNode(oldnode); |
| 456 | xmlFreeNode(oldnode); |
| 457 | } |
| 458 | |
| 459 | return(0); |
| 460 | } |
| 461 | reader->depth--; |
| 462 | reader->state = XML_TEXTREADER_BACKTRACK; |
| 463 | DUMP_READER |
| 464 | return(1); |
| 465 | } |
| 466 | |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 467 | /** |
| 468 | * xmlTextReaderReadState: |
| 469 | * @reader: the xmlTextReaderPtr used |
| 470 | * |
| 471 | * Gets the read state of the reader. |
| 472 | * |
| 473 | * Returns the state value, or -1 in case of error |
| 474 | */ |
| 475 | int |
| 476 | xmlTextReaderReadState(xmlTextReaderPtr reader) { |
| 477 | if (reader == NULL) |
| 478 | return(-1); |
| 479 | return(reader->mode); |
| 480 | } |
| 481 | |
| 482 | /** |
| 483 | * xmlTextReaderReadInnerXml: |
| 484 | * @reader: the xmlTextReaderPtr used |
| 485 | * |
| 486 | * Reads the contents of the current node, including child nodes and markup. |
| 487 | * |
| 488 | * Returns a string containing the XML content, or NULL if the current node |
| 489 | * is neither an element nor attribute, or has no child nodes. The |
| 490 | * string must be deallocated by the caller. |
| 491 | */ |
| 492 | xmlChar * |
| 493 | xmlTextReaderReadInnerXml(xmlTextReaderPtr reader) { |
| 494 | TODO |
| 495 | return(NULL); |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * xmlTextReaderReadOuterXml: |
| 500 | * @reader: the xmlTextReaderPtr used |
| 501 | * |
| 502 | * Reads the contents of the current node, including child nodes and markup. |
| 503 | * |
| 504 | * Returns a string containing the XML content, or NULL if the current node |
| 505 | * is neither an element nor attribute, or has no child nodes. The |
| 506 | * string must be deallocated by the caller. |
| 507 | */ |
| 508 | xmlChar * |
| 509 | xmlTextReaderReadOuterXml(xmlTextReaderPtr reader) { |
| 510 | TODO |
| 511 | return(NULL); |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * xmlTextReaderReadString: |
| 516 | * @reader: the xmlTextReaderPtr used |
| 517 | * |
| 518 | * Reads the contents of an element or a text node as a string. |
| 519 | * |
| 520 | * Returns a string containing the contents of the Element or Text node, |
| 521 | * or NULL if the reader is positioned on any other type of node. |
| 522 | * The string must be deallocated by the caller. |
| 523 | */ |
| 524 | xmlChar * |
| 525 | xmlTextReaderReadString(xmlTextReaderPtr reader) { |
| 526 | TODO |
| 527 | return(NULL); |
| 528 | } |
| 529 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 530 | /** |
| 531 | * xmlTextReaderReadBase64: |
| 532 | * @reader: the xmlTextReaderPtr used |
| 533 | * @array: a byte array to store the content. |
| 534 | * @offset: the zero-based index into array where the method should |
| 535 | * begin to write. |
| 536 | * @len: the number of bytes to write. |
| 537 | * |
| 538 | * Reads and decodes the Base64 encoded contents of an element and |
| 539 | * stores the result in a byte buffer. |
| 540 | * |
| 541 | * Returns the number of bytes written to array, or zero if the current |
| 542 | * instance is not positioned on an element or -1 in case of error. |
| 543 | */ |
| 544 | int |
| 545 | xmlTextReaderReadBase64(xmlTextReaderPtr reader, unsigned char *array, |
| 546 | int offset, int len) { |
| 547 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 548 | return(-1); |
| 549 | if (reader->ctxt->wellFormed != 1) |
| 550 | return(-1); |
| 551 | |
| 552 | if ((reader->node == NULL) || (reader->node->type == XML_ELEMENT_NODE)) |
| 553 | return(0); |
| 554 | TODO |
| 555 | return(0); |
| 556 | } |
| 557 | |
| 558 | /** |
| 559 | * xmlTextReaderReadBinHex: |
| 560 | * @reader: the xmlTextReaderPtr used |
| 561 | * @array: a byte array to store the content. |
| 562 | * @offset: the zero-based index into array where the method should |
| 563 | * begin to write. |
| 564 | * @len: the number of bytes to write. |
| 565 | * |
| 566 | * Reads and decodes the BinHex encoded contents of an element and |
| 567 | * stores the result in a byte buffer. |
| 568 | * |
| 569 | * Returns the number of bytes written to array, or zero if the current |
| 570 | * instance is not positioned on an element or -1 in case of error. |
| 571 | */ |
| 572 | int |
| 573 | xmlTextReaderReadBinHex(xmlTextReaderPtr reader, unsigned char *array, |
| 574 | int offset, int len) { |
| 575 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 576 | return(-1); |
| 577 | if (reader->ctxt->wellFormed != 1) |
| 578 | return(-1); |
| 579 | |
| 580 | if ((reader->node == NULL) || (reader->node->type == XML_ELEMENT_NODE)) |
| 581 | return(0); |
| 582 | TODO |
| 583 | return(0); |
| 584 | } |
| 585 | |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 586 | /************************************************************************ |
| 587 | * * |
| 588 | * Constructor and destructors * |
| 589 | * * |
| 590 | ************************************************************************/ |
| 591 | /** |
| 592 | * xmlNewTextReader: |
| 593 | * @input: the xmlParserInputBufferPtr used to read data |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 594 | * @URI: the URI information for the source if available |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 595 | * |
| 596 | * Create an xmlTextReader structure fed with @input |
| 597 | * |
| 598 | * Returns the new xmlTextReaderPtr or NULL in case of error |
| 599 | */ |
| 600 | xmlTextReaderPtr |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 601 | xmlNewTextReader(xmlParserInputBufferPtr input, const char *URI) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 602 | xmlTextReaderPtr ret; |
| 603 | int val; |
| 604 | |
| 605 | if (input == NULL) |
| 606 | return(NULL); |
| 607 | ret = xmlMalloc(sizeof(xmlTextReader)); |
| 608 | if (ret == NULL) { |
| 609 | xmlGenericError(xmlGenericErrorContext, |
| 610 | "xmlNewTextReader : malloc failed\n"); |
| 611 | return(NULL); |
| 612 | } |
| 613 | memset(ret, 0, sizeof(xmlTextReader)); |
| 614 | ret->input = input; |
| 615 | ret->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler)); |
| 616 | if (ret->sax == NULL) { |
| 617 | xmlFree(ret); |
| 618 | xmlGenericError(xmlGenericErrorContext, |
| 619 | "xmlNewTextReader : malloc failed\n"); |
| 620 | return(NULL); |
| 621 | } |
| 622 | memcpy(ret->sax, &xmlDefaultSAXHandler, sizeof(xmlSAXHandler)); |
| 623 | ret->startElement = ret->sax->startElement; |
| 624 | ret->sax->startElement = xmlTextReaderStartElement; |
| 625 | ret->endElement = ret->sax->endElement; |
| 626 | ret->sax->endElement = xmlTextReaderEndElement; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 627 | ret->characters = ret->sax->characters; |
| 628 | ret->sax->characters = xmlTextReaderCharacters; |
| 629 | ret->cdataBlock = ret->sax->cdataBlock; |
| 630 | ret->sax->cdataBlock = xmlTextReaderCDataBlock; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 631 | |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 632 | ret->mode = XML_TEXTREADER_MODE_INITIAL; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 633 | ret->node = NULL; |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 634 | ret->curnode = NULL; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 635 | val = xmlParserInputBufferRead(input, 4); |
| 636 | if (val >= 4) { |
| 637 | ret->ctxt = xmlCreatePushParserCtxt(ret->sax, NULL, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 638 | (const char *) ret->input->buffer->content, 4, URI); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 639 | ret->base = 0; |
| 640 | ret->cur = 4; |
| 641 | } else { |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 642 | ret->ctxt = xmlCreatePushParserCtxt(ret->sax, NULL, NULL, 0, URI); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 643 | ret->base = 0; |
| 644 | ret->cur = 0; |
| 645 | } |
| 646 | ret->ctxt->_private = ret; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 647 | ret->ctxt->linenumbers = 1; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 648 | ret->allocs = XML_TEXTREADER_CTXT; |
| 649 | return(ret); |
| 650 | |
| 651 | } |
| 652 | |
| 653 | /** |
| 654 | * xmlNewTextReaderFilename: |
| 655 | * @URI: the URI of the resource to process |
| 656 | * |
| 657 | * Create an xmlTextReader structure fed with the resource at @URI |
| 658 | * |
| 659 | * Returns the new xmlTextReaderPtr or NULL in case of error |
| 660 | */ |
| 661 | xmlTextReaderPtr |
| 662 | xmlNewTextReaderFilename(const char *URI) { |
| 663 | xmlParserInputBufferPtr input; |
| 664 | xmlTextReaderPtr ret; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 665 | char *directory = NULL; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 666 | |
| 667 | input = xmlParserInputBufferCreateFilename(URI, XML_CHAR_ENCODING_NONE); |
| 668 | if (input == NULL) |
| 669 | return(NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 670 | ret = xmlNewTextReader(input, URI); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 671 | if (ret == NULL) { |
| 672 | xmlFreeParserInputBuffer(input); |
| 673 | return(NULL); |
| 674 | } |
| 675 | ret->allocs |= XML_TEXTREADER_INPUT; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 676 | if (ret->ctxt->directory == NULL) |
| 677 | directory = xmlParserGetDirectory(URI); |
| 678 | if ((ret->ctxt->directory == NULL) && (directory != NULL)) |
| 679 | ret->ctxt->directory = (char *) xmlStrdup((xmlChar *) directory); |
| 680 | if (directory != NULL) |
| 681 | xmlFree(directory); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 682 | return(ret); |
| 683 | } |
| 684 | |
| 685 | /** |
| 686 | * xmlFreeTextReader: |
| 687 | * @reader: the xmlTextReaderPtr |
| 688 | * |
| 689 | * Deallocate all the resources associated to the reader |
| 690 | */ |
| 691 | void |
| 692 | xmlFreeTextReader(xmlTextReaderPtr reader) { |
| 693 | if (reader == NULL) |
| 694 | return; |
| 695 | if (reader->ctxt != NULL) { |
| 696 | if (reader->ctxt->myDoc != NULL) { |
| 697 | xmlFreeDoc(reader->ctxt->myDoc); |
| 698 | reader->ctxt->myDoc = NULL; |
| 699 | } |
Daniel Veillard | 336fc7d | 2002-12-27 19:37:04 +0000 | [diff] [blame] | 700 | if ((reader->ctxt->vctxt.vstateTab != NULL) && |
| 701 | (reader->ctxt->vctxt.vstateMax > 0)){ |
| 702 | xmlFree(reader->ctxt->vctxt.vstateTab); |
| 703 | reader->ctxt->vctxt.vstateTab = 0; |
| 704 | reader->ctxt->vctxt.vstateMax = 0; |
| 705 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 706 | if (reader->allocs & XML_TEXTREADER_CTXT) |
| 707 | xmlFreeParserCtxt(reader->ctxt); |
| 708 | } |
| 709 | if (reader->sax != NULL) |
| 710 | xmlFree(reader->sax); |
| 711 | if ((reader->input != NULL) && (reader->allocs & XML_TEXTREADER_INPUT)) |
| 712 | xmlFreeParserInputBuffer(reader->input); |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 713 | if (reader->faketext != NULL) { |
| 714 | xmlFreeNode(reader->faketext); |
| 715 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 716 | xmlFree(reader); |
| 717 | } |
| 718 | |
| 719 | /************************************************************************ |
| 720 | * * |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 721 | * Methods for XmlTextReader * |
| 722 | * * |
| 723 | ************************************************************************/ |
| 724 | /** |
| 725 | * xmlTextReaderClose: |
| 726 | * @reader: the xmlTextReaderPtr used |
| 727 | * |
| 728 | * This method releases any resources allocated by the current instance |
| 729 | * changes the state to Closed and close any underlying input. |
| 730 | * |
| 731 | * Returns 0 or -1 in case of error |
| 732 | */ |
| 733 | int |
| 734 | xmlTextReaderClose(xmlTextReaderPtr reader) { |
| 735 | if (reader == NULL) |
| 736 | return(-1); |
| 737 | reader->node = NULL; |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 738 | reader->curnode = NULL; |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 739 | reader->mode = XML_TEXTREADER_MODE_CLOSED; |
| 740 | if (reader->ctxt != NULL) { |
| 741 | if (reader->ctxt->myDoc != NULL) { |
| 742 | xmlFreeDoc(reader->ctxt->myDoc); |
| 743 | reader->ctxt->myDoc = NULL; |
| 744 | } |
| 745 | if (reader->allocs & XML_TEXTREADER_CTXT) { |
| 746 | xmlFreeParserCtxt(reader->ctxt); |
| 747 | reader->allocs -= XML_TEXTREADER_CTXT; |
| 748 | } |
| 749 | } |
| 750 | if (reader->sax != NULL) { |
| 751 | xmlFree(reader->sax); |
| 752 | reader->sax = NULL; |
| 753 | } |
| 754 | if ((reader->input != NULL) && (reader->allocs & XML_TEXTREADER_INPUT)) { |
| 755 | xmlFreeParserInputBuffer(reader->input); |
| 756 | reader->allocs -= XML_TEXTREADER_INPUT; |
| 757 | } |
| 758 | return(0); |
| 759 | } |
| 760 | |
| 761 | /** |
| 762 | * xmlTextReaderGetAttributeNo: |
| 763 | * @reader: the xmlTextReaderPtr used |
| 764 | * @no: the zero-based index of the attribute relative to the containing element |
| 765 | * |
| 766 | * Provides the value of the attribute with the specified index relative |
| 767 | * to the containing element. |
| 768 | * |
| 769 | * Returns a string containing the value of the specified attribute, or NULL |
| 770 | * in case of error. The string must be deallocated by the caller. |
| 771 | */ |
| 772 | xmlChar * |
| 773 | xmlTextReaderGetAttributeNo(xmlTextReaderPtr reader, int no) { |
| 774 | xmlChar *ret; |
| 775 | int i; |
| 776 | xmlAttrPtr cur; |
| 777 | xmlNsPtr ns; |
| 778 | |
| 779 | if (reader == NULL) |
| 780 | return(NULL); |
| 781 | if (reader->node == NULL) |
| 782 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 783 | if (reader->curnode != NULL) |
| 784 | return(NULL); |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 785 | /* TODO: handle the xmlDecl */ |
| 786 | if (reader->node->type != XML_ELEMENT_NODE) |
| 787 | return(NULL); |
| 788 | |
| 789 | ns = reader->node->nsDef; |
| 790 | for (i = 0;(i < no) && (ns != NULL);i++) { |
| 791 | ns = ns->next; |
| 792 | } |
| 793 | if (ns != NULL) |
| 794 | return(xmlStrdup(ns->href)); |
| 795 | |
| 796 | cur = reader->node->properties; |
| 797 | if (cur == NULL) |
| 798 | return(NULL); |
| 799 | for (;i < no;i++) { |
| 800 | cur = cur->next; |
| 801 | if (cur == NULL) |
| 802 | return(NULL); |
| 803 | } |
| 804 | /* TODO walk the DTD if present */ |
| 805 | |
| 806 | ret = xmlNodeListGetString(reader->node->doc, cur->children, 1); |
| 807 | if (ret == NULL) return(xmlStrdup((xmlChar *)"")); |
| 808 | return(ret); |
| 809 | } |
| 810 | |
| 811 | /** |
| 812 | * xmlTextReaderGetAttribute: |
| 813 | * @reader: the xmlTextReaderPtr used |
| 814 | * @name: the qualified name of the attribute. |
| 815 | * |
| 816 | * Provides the value of the attribute with the specified qualified name. |
| 817 | * |
| 818 | * Returns a string containing the value of the specified attribute, or NULL |
| 819 | * in case of error. The string must be deallocated by the caller. |
| 820 | */ |
| 821 | xmlChar * |
| 822 | xmlTextReaderGetAttribute(xmlTextReaderPtr reader, const xmlChar *name) { |
| 823 | xmlChar *prefix = NULL; |
| 824 | xmlChar *localname; |
| 825 | xmlNsPtr ns; |
| 826 | xmlChar *ret = NULL; |
| 827 | |
| 828 | if ((reader == NULL) || (name == NULL)) |
| 829 | return(NULL); |
| 830 | if (reader->node == NULL) |
| 831 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 832 | if (reader->curnode != NULL) |
| 833 | return(NULL); |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 834 | |
| 835 | /* TODO: handle the xmlDecl */ |
| 836 | if (reader->node->type != XML_ELEMENT_NODE) |
| 837 | return(NULL); |
| 838 | |
| 839 | localname = xmlSplitQName2(name, &prefix); |
| 840 | if (localname == NULL) |
| 841 | return(xmlGetProp(reader->node, name)); |
| 842 | |
| 843 | ns = xmlSearchNs(reader->node->doc, reader->node, prefix); |
| 844 | if (ns != NULL) |
| 845 | ret = xmlGetNsProp(reader->node, localname, ns->href); |
| 846 | |
| 847 | if (localname != NULL) |
| 848 | xmlFree(localname); |
| 849 | if (prefix != NULL) |
| 850 | xmlFree(prefix); |
| 851 | return(ret); |
| 852 | } |
| 853 | |
| 854 | |
| 855 | /** |
| 856 | * xmlTextReaderGetAttributeNs: |
| 857 | * @reader: the xmlTextReaderPtr used |
| 858 | * @localName: the local name of the attribute. |
| 859 | * @namespaceURI: the namespace URI of the attribute. |
| 860 | * |
| 861 | * Provides the value of the specified attribute |
| 862 | * |
| 863 | * Returns a string containing the value of the specified attribute, or NULL |
| 864 | * in case of error. The string must be deallocated by the caller. |
| 865 | */ |
| 866 | xmlChar * |
| 867 | xmlTextReaderGetAttributeNs(xmlTextReaderPtr reader, const xmlChar *localName, |
| 868 | const xmlChar *namespaceURI) { |
| 869 | if ((reader == NULL) || (localName == NULL)) |
| 870 | return(NULL); |
| 871 | if (reader->node == NULL) |
| 872 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 873 | if (reader->curnode != NULL) |
| 874 | return(NULL); |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 875 | |
| 876 | /* TODO: handle the xmlDecl */ |
| 877 | if (reader->node->type != XML_ELEMENT_NODE) |
| 878 | return(NULL); |
| 879 | |
| 880 | return(xmlGetNsProp(reader->node, localName, namespaceURI)); |
| 881 | } |
| 882 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 883 | /** |
| 884 | * xmlTextReaderGetRemainder: |
| 885 | * @reader: the xmlTextReaderPtr used |
| 886 | * |
| 887 | * Method to get the remainder of the buffered XML. this method stops the |
| 888 | * parser, set its state to End Of File and return the input stream with |
| 889 | * what is left that the parser did not use. |
| 890 | * |
| 891 | * Returns the xmlParserInputBufferPtr attached to the XML or NULL |
| 892 | * in case of error. |
| 893 | */ |
| 894 | xmlParserInputBufferPtr |
| 895 | xmlTextReaderGetRemainder(xmlTextReaderPtr reader) { |
| 896 | xmlParserInputBufferPtr ret = NULL; |
| 897 | |
| 898 | if (reader == NULL) |
| 899 | return(NULL); |
| 900 | if (reader->node == NULL) |
| 901 | return(NULL); |
| 902 | |
| 903 | reader->node = NULL; |
| 904 | reader->curnode = NULL; |
| 905 | reader->mode = XML_TEXTREADER_MODE_EOF; |
| 906 | if (reader->ctxt != NULL) { |
| 907 | if (reader->ctxt->myDoc != NULL) { |
| 908 | xmlFreeDoc(reader->ctxt->myDoc); |
| 909 | reader->ctxt->myDoc = NULL; |
| 910 | } |
| 911 | if (reader->allocs & XML_TEXTREADER_CTXT) { |
| 912 | xmlFreeParserCtxt(reader->ctxt); |
| 913 | reader->allocs -= XML_TEXTREADER_CTXT; |
| 914 | } |
| 915 | } |
| 916 | if (reader->sax != NULL) { |
| 917 | xmlFree(reader->sax); |
| 918 | reader->sax = NULL; |
| 919 | } |
| 920 | if (reader->allocs & XML_TEXTREADER_INPUT) { |
| 921 | ret = reader->input; |
| 922 | reader->allocs -= XML_TEXTREADER_INPUT; |
| 923 | } else { |
| 924 | /* |
| 925 | * Hum, one may need to duplicate the data structure because |
| 926 | * without reference counting the input may be freed twice: |
| 927 | * - by the layer which allocated it. |
| 928 | * - by the layer to which would have been returned to. |
| 929 | */ |
| 930 | TODO |
| 931 | return(NULL); |
| 932 | } |
| 933 | return(ret); |
| 934 | } |
| 935 | |
| 936 | /** |
| 937 | * xmlTextReaderLookupNamespace: |
| 938 | * @reader: the xmlTextReaderPtr used |
| 939 | * @prefix: the prefix whose namespace URI is to be resolved. To return |
| 940 | * the default namespace, specify NULL |
| 941 | * |
| 942 | * Resolves a namespace prefix in the scope of the current element. |
| 943 | * |
| 944 | * Returns a string containing the namespace URI to which the prefix maps |
| 945 | * or NULL in case of error. The string must be deallocated by the caller. |
| 946 | */ |
| 947 | xmlChar * |
| 948 | xmlTextReaderLookupNamespace(xmlTextReaderPtr reader, const xmlChar *prefix) { |
| 949 | xmlNsPtr ns; |
| 950 | |
| 951 | if (reader == NULL) |
| 952 | return(NULL); |
| 953 | if (reader->node == NULL) |
| 954 | return(NULL); |
| 955 | |
| 956 | ns = xmlSearchNs(reader->node->doc, reader->node, prefix); |
| 957 | if (ns == NULL) |
| 958 | return(NULL); |
| 959 | return(xmlStrdup(ns->href)); |
| 960 | } |
| 961 | |
| 962 | /** |
| 963 | * xmlTextReaderMoveToAttributeNo: |
| 964 | * @reader: the xmlTextReaderPtr used |
| 965 | * @no: the zero-based index of the attribute relative to the containing |
| 966 | * element. |
| 967 | * |
| 968 | * Moves the position of the current instance to the attribute with |
| 969 | * the specified index relative to the containing element. |
| 970 | * |
| 971 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 972 | */ |
| 973 | int |
| 974 | xmlTextReaderMoveToAttributeNo(xmlTextReaderPtr reader, int no) { |
| 975 | int i; |
| 976 | xmlAttrPtr cur; |
| 977 | xmlNsPtr ns; |
| 978 | |
| 979 | if (reader == NULL) |
| 980 | return(-1); |
| 981 | if (reader->node == NULL) |
| 982 | return(-1); |
| 983 | /* TODO: handle the xmlDecl */ |
| 984 | if (reader->node->type != XML_ELEMENT_NODE) |
| 985 | return(-1); |
| 986 | |
| 987 | reader->curnode = NULL; |
| 988 | |
| 989 | ns = reader->node->nsDef; |
| 990 | for (i = 0;(i < no) && (ns != NULL);i++) { |
| 991 | ns = ns->next; |
| 992 | } |
| 993 | if (ns != NULL) { |
| 994 | reader->curnode = (xmlNodePtr) ns; |
| 995 | return(1); |
| 996 | } |
| 997 | |
| 998 | cur = reader->node->properties; |
| 999 | if (cur == NULL) |
| 1000 | return(0); |
| 1001 | for (;i < no;i++) { |
| 1002 | cur = cur->next; |
| 1003 | if (cur == NULL) |
| 1004 | return(0); |
| 1005 | } |
| 1006 | /* TODO walk the DTD if present */ |
| 1007 | |
| 1008 | reader->curnode = (xmlNodePtr) cur; |
| 1009 | return(1); |
| 1010 | } |
| 1011 | |
| 1012 | /** |
| 1013 | * xmlTextReaderMoveToAttribute: |
| 1014 | * @reader: the xmlTextReaderPtr used |
| 1015 | * @name: the qualified name of the attribute. |
| 1016 | * |
| 1017 | * Moves the position of the current instance to the attribute with |
| 1018 | * the specified qualified name. |
| 1019 | * |
| 1020 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 1021 | */ |
| 1022 | int |
| 1023 | xmlTextReaderMoveToAttribute(xmlTextReaderPtr reader, const xmlChar *name) { |
| 1024 | xmlChar *prefix = NULL; |
| 1025 | xmlChar *localname; |
| 1026 | xmlNsPtr ns; |
| 1027 | xmlAttrPtr prop; |
| 1028 | |
| 1029 | if ((reader == NULL) || (name == NULL)) |
| 1030 | return(-1); |
| 1031 | if (reader->node == NULL) |
| 1032 | return(-1); |
| 1033 | |
| 1034 | /* TODO: handle the xmlDecl */ |
| 1035 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1036 | return(0); |
| 1037 | |
| 1038 | localname = xmlSplitQName2(name, &prefix); |
| 1039 | if (localname == NULL) { |
| 1040 | /* |
| 1041 | * Namespace default decl |
| 1042 | */ |
| 1043 | if (xmlStrEqual(name, BAD_CAST "xmlns")) { |
| 1044 | ns = reader->node->nsDef; |
| 1045 | while (ns != NULL) { |
| 1046 | if (ns->prefix == NULL) { |
| 1047 | reader->curnode = (xmlNodePtr) ns; |
| 1048 | return(1); |
| 1049 | } |
| 1050 | ns = ns->next; |
| 1051 | } |
| 1052 | return(0); |
| 1053 | } |
| 1054 | |
| 1055 | prop = reader->node->properties; |
| 1056 | while (prop != NULL) { |
| 1057 | /* |
| 1058 | * One need to have |
| 1059 | * - same attribute names |
| 1060 | * - and the attribute carrying that namespace |
| 1061 | */ |
| 1062 | if ((xmlStrEqual(prop->name, name)) && |
| 1063 | ((prop->ns == NULL) || (prop->ns->prefix == NULL))) { |
| 1064 | reader->curnode = (xmlNodePtr) prop; |
| 1065 | return(1); |
| 1066 | } |
| 1067 | prop = prop->next; |
| 1068 | } |
| 1069 | return(0); |
| 1070 | } |
| 1071 | |
| 1072 | /* |
| 1073 | * Namespace default decl |
| 1074 | */ |
| 1075 | if (xmlStrEqual(prefix, BAD_CAST "xmlns")) { |
| 1076 | ns = reader->node->nsDef; |
| 1077 | while (ns != NULL) { |
| 1078 | if ((ns->prefix != NULL) && (xmlStrEqual(ns->prefix, localname))) { |
| 1079 | reader->curnode = (xmlNodePtr) ns; |
| 1080 | goto found; |
| 1081 | } |
| 1082 | ns = ns->next; |
| 1083 | } |
| 1084 | goto not_found; |
| 1085 | } |
| 1086 | prop = reader->node->properties; |
| 1087 | while (prop != NULL) { |
| 1088 | /* |
| 1089 | * One need to have |
| 1090 | * - same attribute names |
| 1091 | * - and the attribute carrying that namespace |
| 1092 | */ |
| 1093 | if ((xmlStrEqual(prop->name, localname)) && |
| 1094 | (prop->ns != NULL) && (xmlStrEqual(prop->ns->prefix, prefix))) { |
| 1095 | reader->curnode = (xmlNodePtr) prop; |
| 1096 | goto found; |
| 1097 | } |
| 1098 | prop = prop->next; |
| 1099 | } |
| 1100 | not_found: |
| 1101 | if (localname != NULL) |
| 1102 | xmlFree(localname); |
| 1103 | if (prefix != NULL) |
| 1104 | xmlFree(prefix); |
| 1105 | return(0); |
| 1106 | |
| 1107 | found: |
| 1108 | if (localname != NULL) |
| 1109 | xmlFree(localname); |
| 1110 | if (prefix != NULL) |
| 1111 | xmlFree(prefix); |
| 1112 | return(1); |
| 1113 | } |
| 1114 | |
| 1115 | /** |
| 1116 | * xmlTextReaderMoveToAttributeNs: |
| 1117 | * @reader: the xmlTextReaderPtr used |
| 1118 | * @localName: the local name of the attribute. |
| 1119 | * @namespaceURI: the namespace URI of the attribute. |
| 1120 | * |
| 1121 | * Moves the position of the current instance to the attribute with the |
| 1122 | * specified local name and namespace URI. |
| 1123 | * |
| 1124 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 1125 | */ |
| 1126 | int |
| 1127 | xmlTextReaderMoveToAttributeNs(xmlTextReaderPtr reader, |
| 1128 | const xmlChar *localName, const xmlChar *namespaceURI) { |
| 1129 | xmlAttrPtr prop; |
| 1130 | xmlNodePtr node; |
| 1131 | |
| 1132 | if ((reader == NULL) || (localName == NULL) || (namespaceURI == NULL)) |
| 1133 | return(-1); |
| 1134 | if (reader->node == NULL) |
| 1135 | return(-1); |
| 1136 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1137 | return(0); |
| 1138 | node = reader->node; |
| 1139 | |
| 1140 | /* |
| 1141 | * A priori reading http://www.w3.org/TR/REC-xml-names/ there is no |
| 1142 | * namespace name associated to "xmlns" |
| 1143 | */ |
| 1144 | prop = node->properties; |
| 1145 | while (prop != NULL) { |
| 1146 | /* |
| 1147 | * One need to have |
| 1148 | * - same attribute names |
| 1149 | * - and the attribute carrying that namespace |
| 1150 | */ |
| 1151 | if (xmlStrEqual(prop->name, localName) && |
| 1152 | ((prop->ns != NULL) && |
| 1153 | (xmlStrEqual(prop->ns->href, namespaceURI)))) { |
| 1154 | reader->curnode = (xmlNodePtr) prop; |
| 1155 | return(1); |
| 1156 | } |
| 1157 | prop = prop->next; |
| 1158 | } |
| 1159 | return(0); |
| 1160 | } |
| 1161 | |
| 1162 | /** |
| 1163 | * xmlTextReaderMoveToFirstAttribute: |
| 1164 | * @reader: the xmlTextReaderPtr used |
| 1165 | * |
| 1166 | * Moves the position of the current instance to the first attribute |
| 1167 | * associated with the current node. |
| 1168 | * |
| 1169 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 1170 | */ |
| 1171 | int |
| 1172 | xmlTextReaderMoveToFirstAttribute(xmlTextReaderPtr reader) { |
| 1173 | if (reader == NULL) |
| 1174 | return(-1); |
| 1175 | if (reader->node == NULL) |
| 1176 | return(-1); |
| 1177 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1178 | return(0); |
| 1179 | |
| 1180 | if (reader->node->nsDef != NULL) { |
| 1181 | reader->curnode = (xmlNodePtr) reader->node->nsDef; |
| 1182 | return(1); |
| 1183 | } |
| 1184 | if (reader->node->properties != NULL) { |
| 1185 | reader->curnode = (xmlNodePtr) reader->node->properties; |
| 1186 | return(1); |
| 1187 | } |
| 1188 | return(0); |
| 1189 | } |
| 1190 | |
| 1191 | /** |
| 1192 | * xmlTextReaderMoveToNextAttribute: |
| 1193 | * @reader: the xmlTextReaderPtr used |
| 1194 | * |
| 1195 | * Moves the position of the current instance to the next attribute |
| 1196 | * associated with the current node. |
| 1197 | * |
| 1198 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 1199 | */ |
| 1200 | int |
| 1201 | xmlTextReaderMoveToNextAttribute(xmlTextReaderPtr reader) { |
| 1202 | if (reader == NULL) |
| 1203 | return(-1); |
| 1204 | if (reader->node == NULL) |
| 1205 | return(-1); |
| 1206 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1207 | return(0); |
| 1208 | if (reader->curnode == NULL) |
| 1209 | return(xmlTextReaderMoveToFirstAttribute(reader)); |
| 1210 | |
| 1211 | if (reader->curnode->type == XML_NAMESPACE_DECL) { |
| 1212 | xmlNsPtr ns = (xmlNsPtr) reader->curnode; |
| 1213 | if (ns->next != NULL) { |
| 1214 | reader->curnode = (xmlNodePtr) ns->next; |
| 1215 | return(1); |
| 1216 | } |
| 1217 | if (reader->node->properties != NULL) { |
| 1218 | reader->curnode = (xmlNodePtr) reader->node->properties; |
| 1219 | return(1); |
| 1220 | } |
| 1221 | return(0); |
| 1222 | } else if ((reader->curnode->type == XML_ATTRIBUTE_NODE) && |
| 1223 | (reader->curnode->next != NULL)) { |
| 1224 | reader->curnode = reader->curnode->next; |
| 1225 | return(1); |
| 1226 | } |
| 1227 | return(0); |
| 1228 | } |
| 1229 | |
| 1230 | /** |
| 1231 | * xmlTextReaderMoveToElement: |
| 1232 | * @reader: the xmlTextReaderPtr used |
| 1233 | * |
| 1234 | * Moves the position of the current instance to the node that |
| 1235 | * contains the current Attribute node. |
| 1236 | * |
| 1237 | * Returns 1 in case of success, -1 in case of error, 0 if not moved |
| 1238 | */ |
| 1239 | int |
| 1240 | xmlTextReaderMoveToElement(xmlTextReaderPtr reader) { |
| 1241 | if (reader == NULL) |
| 1242 | return(-1); |
| 1243 | if (reader->node == NULL) |
| 1244 | return(-1); |
| 1245 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1246 | return(0); |
| 1247 | if (reader->curnode != NULL) { |
| 1248 | reader->curnode = NULL; |
| 1249 | return(1); |
| 1250 | } |
| 1251 | return(0); |
| 1252 | } |
| 1253 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 1254 | /** |
| 1255 | * xmlTextReaderReadAttributeValue: |
| 1256 | * @reader: the xmlTextReaderPtr used |
| 1257 | * |
| 1258 | * Parses an attribute value into one or more Text and EntityReference nodes. |
| 1259 | * |
| 1260 | * Returns 1 in case of success, 0 if the reader was not positionned on an |
| 1261 | * ttribute node or all the attribute values have been read, or -1 |
| 1262 | * in case of error. |
| 1263 | */ |
| 1264 | int |
| 1265 | xmlTextReaderReadAttributeValue(xmlTextReaderPtr reader) { |
| 1266 | if (reader == NULL) |
| 1267 | return(-1); |
| 1268 | if (reader->node == NULL) |
| 1269 | return(-1); |
| 1270 | if (reader->curnode == NULL) |
| 1271 | return(0); |
| 1272 | if (reader->curnode->type == XML_ATTRIBUTE_NODE) { |
| 1273 | if (reader->curnode->children == NULL) |
| 1274 | return(0); |
| 1275 | reader->curnode = reader->curnode->children; |
| 1276 | } else if (reader->curnode->type == XML_NAMESPACE_DECL) { |
| 1277 | xmlNsPtr ns = (xmlNsPtr) reader->curnode; |
| 1278 | |
| 1279 | if (reader->faketext == NULL) { |
| 1280 | reader->faketext = xmlNewDocText(reader->node->doc, |
| 1281 | ns->href); |
| 1282 | } else { |
| 1283 | if (reader->faketext->content != NULL) |
| 1284 | xmlFree(reader->faketext->content); |
| 1285 | reader->faketext->content = xmlStrdup(ns->href); |
| 1286 | } |
| 1287 | reader->curnode = reader->faketext; |
| 1288 | } else { |
| 1289 | if (reader->curnode->next == NULL) |
| 1290 | return(0); |
| 1291 | reader->curnode = reader->curnode->next; |
| 1292 | } |
| 1293 | return(1); |
| 1294 | } |
| 1295 | |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 1296 | /************************************************************************ |
| 1297 | * * |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1298 | * Acces API to the current node * |
| 1299 | * * |
| 1300 | ************************************************************************/ |
| 1301 | /** |
| 1302 | * xmlTextReaderAttributeCount: |
| 1303 | * @reader: the xmlTextReaderPtr used |
| 1304 | * |
Daniel Veillard | a9b66d0 | 2002-12-11 14:23:49 +0000 | [diff] [blame] | 1305 | * Provides the number of attributes of the current node |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1306 | * |
| 1307 | * Returns 0 i no attributes, -1 in case of error or the attribute count |
| 1308 | */ |
| 1309 | int |
| 1310 | xmlTextReaderAttributeCount(xmlTextReaderPtr reader) { |
| 1311 | int ret; |
| 1312 | xmlAttrPtr attr; |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 1313 | xmlNsPtr ns; |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1314 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1315 | |
| 1316 | if (reader == NULL) |
| 1317 | return(-1); |
| 1318 | if (reader->node == NULL) |
| 1319 | return(0); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1320 | |
| 1321 | if (reader->curnode != NULL) |
| 1322 | node = reader->curnode; |
| 1323 | else |
| 1324 | node = reader->node; |
| 1325 | |
| 1326 | if (node->type != XML_ELEMENT_NODE) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1327 | return(0); |
| 1328 | if ((reader->state == XML_TEXTREADER_END) || |
| 1329 | (reader->state == XML_TEXTREADER_BACKTRACK)) |
| 1330 | return(0); |
| 1331 | ret = 0; |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1332 | attr = node->properties; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1333 | while (attr != NULL) { |
| 1334 | ret++; |
| 1335 | attr = attr->next; |
| 1336 | } |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 1337 | ns = node->nsDef; |
| 1338 | while (ns != NULL) { |
| 1339 | ret++; |
| 1340 | ns = ns->next; |
| 1341 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1342 | return(ret); |
| 1343 | } |
| 1344 | |
| 1345 | /** |
| 1346 | * xmlTextReaderNodeType: |
| 1347 | * @reader: the xmlTextReaderPtr used |
| 1348 | * |
| 1349 | * Get the node type of the current node |
| 1350 | * Reference: |
| 1351 | * http://dotgnu.org/pnetlib-doc/System/Xml/XmlNodeType.html |
| 1352 | * |
| 1353 | * Returns the xmlNodeType of the current node or -1 in case of error |
| 1354 | */ |
| 1355 | int |
| 1356 | xmlTextReaderNodeType(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1357 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1358 | if (reader == NULL) |
| 1359 | return(-1); |
| 1360 | if (reader->node == NULL) |
| 1361 | return(0); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1362 | if (reader->curnode != NULL) |
| 1363 | node = reader->curnode; |
| 1364 | else |
| 1365 | node = reader->node; |
| 1366 | switch (node->type) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1367 | case XML_ELEMENT_NODE: |
| 1368 | if ((reader->state == XML_TEXTREADER_END) || |
| 1369 | (reader->state == XML_TEXTREADER_BACKTRACK)) |
| 1370 | return(15); |
| 1371 | return(1); |
| 1372 | case XML_ATTRIBUTE_NODE: |
| 1373 | return(2); |
| 1374 | case XML_TEXT_NODE: |
| 1375 | return(3); /* TODO: SignificantWhitespace == 14 Whitespace == 13 */ |
| 1376 | case XML_CDATA_SECTION_NODE: |
| 1377 | return(4); |
| 1378 | case XML_ENTITY_REF_NODE: |
| 1379 | return(5); |
| 1380 | case XML_ENTITY_NODE: |
| 1381 | return(6); |
| 1382 | case XML_PI_NODE: |
| 1383 | return(7); |
| 1384 | case XML_COMMENT_NODE: |
| 1385 | return(8); |
| 1386 | case XML_DOCUMENT_NODE: |
| 1387 | case XML_HTML_DOCUMENT_NODE: |
| 1388 | #ifdef LIBXML_DOCB_ENABLED |
| 1389 | case XML_DOCB_DOCUMENT_NODE: |
| 1390 | #endif |
| 1391 | return(9); |
| 1392 | case XML_DOCUMENT_FRAG_NODE: |
| 1393 | return(11); |
| 1394 | case XML_NOTATION_NODE: |
| 1395 | return(12); |
| 1396 | case XML_DOCUMENT_TYPE_NODE: |
| 1397 | case XML_DTD_NODE: |
| 1398 | return(10); |
| 1399 | |
| 1400 | case XML_ELEMENT_DECL: |
| 1401 | case XML_ATTRIBUTE_DECL: |
| 1402 | case XML_ENTITY_DECL: |
| 1403 | case XML_NAMESPACE_DECL: |
| 1404 | case XML_XINCLUDE_START: |
| 1405 | case XML_XINCLUDE_END: |
| 1406 | return(0); |
| 1407 | } |
| 1408 | return(-1); |
| 1409 | } |
| 1410 | |
| 1411 | /** |
Daniel Veillard | 01c13b5 | 2002-12-10 15:19:08 +0000 | [diff] [blame] | 1412 | * xmlTextReaderIsEmptyElement: |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1413 | * @reader: the xmlTextReaderPtr used |
| 1414 | * |
| 1415 | * Check if the current node is empty |
| 1416 | * |
| 1417 | * Returns 1 if empty, 0 if not and -1 in case of error |
| 1418 | */ |
| 1419 | int |
| 1420 | xmlTextReaderIsEmptyElement(xmlTextReaderPtr reader) { |
| 1421 | if ((reader == NULL) || (reader->node == NULL)) |
| 1422 | return(-1); |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 1423 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1424 | return(0); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1425 | if (reader->node->children != NULL) |
| 1426 | return(0); |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 1427 | if (reader->node != reader->ctxt->node) |
| 1428 | return(1); |
| 1429 | if ((reader->ctxt->node != NULL) && |
| 1430 | (reader->node == reader->ctxt->node->last) && |
| 1431 | (reader->wasempty == 1)) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1432 | return(1); |
| 1433 | return(0); |
| 1434 | } |
| 1435 | |
| 1436 | /** |
| 1437 | * xmlTextReaderLocalName: |
| 1438 | * @reader: the xmlTextReaderPtr used |
| 1439 | * |
| 1440 | * The local name of the node. |
| 1441 | * |
| 1442 | * Returns the local name or NULL if not available |
| 1443 | */ |
| 1444 | xmlChar * |
| 1445 | xmlTextReaderLocalName(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1446 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1447 | if ((reader == NULL) || (reader->node == NULL)) |
| 1448 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1449 | if (reader->curnode != NULL) |
| 1450 | node = reader->curnode; |
| 1451 | else |
| 1452 | node = reader->node; |
| 1453 | if (node->type == XML_NAMESPACE_DECL) { |
| 1454 | xmlNsPtr ns = (xmlNsPtr) node; |
| 1455 | if (ns->prefix == NULL) |
| 1456 | return(xmlStrdup(BAD_CAST "xmlns")); |
| 1457 | else |
| 1458 | return(xmlStrdup(ns->prefix)); |
| 1459 | } |
| 1460 | if ((node->type != XML_ELEMENT_NODE) && |
| 1461 | (node->type != XML_ATTRIBUTE_NODE)) |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1462 | return(xmlTextReaderName(reader)); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1463 | return(xmlStrdup(node->name)); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1464 | } |
| 1465 | |
| 1466 | /** |
| 1467 | * xmlTextReaderName: |
| 1468 | * @reader: the xmlTextReaderPtr used |
| 1469 | * |
| 1470 | * The qualified name of the node, equal to Prefix :LocalName. |
| 1471 | * |
| 1472 | * Returns the local name or NULL if not available |
| 1473 | */ |
| 1474 | xmlChar * |
| 1475 | xmlTextReaderName(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1476 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1477 | xmlChar *ret; |
| 1478 | |
| 1479 | if ((reader == NULL) || (reader->node == NULL)) |
| 1480 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1481 | if (reader->curnode != NULL) |
| 1482 | node = reader->curnode; |
| 1483 | else |
| 1484 | node = reader->node; |
| 1485 | switch (node->type) { |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1486 | case XML_ELEMENT_NODE: |
| 1487 | case XML_ATTRIBUTE_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1488 | if ((node->ns == NULL) || |
| 1489 | (node->ns->prefix == NULL)) |
| 1490 | return(xmlStrdup(node->name)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1491 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1492 | ret = xmlStrdup(node->ns->prefix); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1493 | ret = xmlStrcat(ret, BAD_CAST ":"); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1494 | ret = xmlStrcat(ret, node->name); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1495 | return(ret); |
| 1496 | case XML_TEXT_NODE: |
| 1497 | return(xmlStrdup(BAD_CAST "#text")); |
| 1498 | case XML_CDATA_SECTION_NODE: |
| 1499 | return(xmlStrdup(BAD_CAST "#cdata-section")); |
| 1500 | case XML_ENTITY_NODE: |
| 1501 | case XML_ENTITY_REF_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1502 | return(xmlStrdup(node->name)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1503 | case XML_PI_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1504 | return(xmlStrdup(node->name)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1505 | case XML_COMMENT_NODE: |
| 1506 | return(xmlStrdup(BAD_CAST "#comment")); |
| 1507 | case XML_DOCUMENT_NODE: |
| 1508 | case XML_HTML_DOCUMENT_NODE: |
| 1509 | #ifdef LIBXML_DOCB_ENABLED |
| 1510 | case XML_DOCB_DOCUMENT_NODE: |
| 1511 | #endif |
| 1512 | return(xmlStrdup(BAD_CAST "#document")); |
| 1513 | case XML_DOCUMENT_FRAG_NODE: |
| 1514 | return(xmlStrdup(BAD_CAST "#document-fragment")); |
| 1515 | case XML_NOTATION_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1516 | return(xmlStrdup(node->name)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1517 | case XML_DOCUMENT_TYPE_NODE: |
| 1518 | case XML_DTD_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1519 | return(xmlStrdup(node->name)); |
| 1520 | case XML_NAMESPACE_DECL: { |
| 1521 | xmlNsPtr ns = (xmlNsPtr) node; |
| 1522 | |
| 1523 | ret = xmlStrdup(BAD_CAST "xmlns"); |
| 1524 | if (ns->prefix == NULL) |
| 1525 | return(ret); |
| 1526 | ret = xmlStrcat(ret, BAD_CAST ":"); |
| 1527 | ret = xmlStrcat(ret, ns->prefix); |
| 1528 | return(ret); |
| 1529 | } |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1530 | |
| 1531 | case XML_ELEMENT_DECL: |
| 1532 | case XML_ATTRIBUTE_DECL: |
| 1533 | case XML_ENTITY_DECL: |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1534 | case XML_XINCLUDE_START: |
| 1535 | case XML_XINCLUDE_END: |
| 1536 | return(NULL); |
| 1537 | } |
| 1538 | return(NULL); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1539 | } |
| 1540 | |
| 1541 | /** |
| 1542 | * xmlTextReaderPrefix: |
| 1543 | * @reader: the xmlTextReaderPtr used |
| 1544 | * |
| 1545 | * A shorthand reference to the namespace associated with the node. |
| 1546 | * |
| 1547 | * Returns the prefix or NULL if not available |
| 1548 | */ |
| 1549 | xmlChar * |
| 1550 | xmlTextReaderPrefix(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1551 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1552 | if ((reader == NULL) || (reader->node == NULL)) |
| 1553 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1554 | if (reader->curnode != NULL) |
| 1555 | node = reader->curnode; |
| 1556 | else |
| 1557 | node = reader->node; |
| 1558 | if (node->type == XML_NAMESPACE_DECL) { |
| 1559 | xmlNsPtr ns = (xmlNsPtr) node; |
| 1560 | if (ns->prefix == NULL) |
| 1561 | return(NULL); |
| 1562 | return(xmlStrdup(BAD_CAST "xmlns")); |
| 1563 | } |
| 1564 | if ((node->type != XML_ELEMENT_NODE) && |
| 1565 | (node->type != XML_ATTRIBUTE_NODE)) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1566 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1567 | if ((node->ns != NULL) || (node->ns->prefix != NULL)) |
| 1568 | return(xmlStrdup(node->ns->prefix)); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1569 | return(NULL); |
| 1570 | } |
| 1571 | |
| 1572 | /** |
| 1573 | * xmlTextReaderNamespaceUri: |
| 1574 | * @reader: the xmlTextReaderPtr used |
| 1575 | * |
| 1576 | * The URI defining the namespace associated with the node. |
| 1577 | * |
| 1578 | * Returns the namespace URI or NULL if not available |
| 1579 | */ |
| 1580 | xmlChar * |
| 1581 | xmlTextReaderNamespaceUri(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1582 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1583 | if ((reader == NULL) || (reader->node == NULL)) |
| 1584 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1585 | if (reader->curnode != NULL) |
| 1586 | node = reader->curnode; |
| 1587 | else |
| 1588 | node = reader->node; |
| 1589 | if (node->type == XML_NAMESPACE_DECL) { |
| 1590 | xmlNsPtr ns = (xmlNsPtr) node; |
| 1591 | return(xmlStrdup(ns->href)); |
| 1592 | } |
| 1593 | if ((node->type != XML_ELEMENT_NODE) && |
| 1594 | (node->type != XML_ATTRIBUTE_NODE)) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1595 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1596 | if (node->ns != NULL) |
| 1597 | return(xmlStrdup(node->ns->href)); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1598 | return(NULL); |
| 1599 | } |
| 1600 | |
| 1601 | /** |
| 1602 | * xmlTextReaderBaseUri: |
| 1603 | * @reader: the xmlTextReaderPtr used |
| 1604 | * |
| 1605 | * The base URI of the node. |
| 1606 | * |
| 1607 | * Returns the base URI or NULL if not available |
| 1608 | */ |
| 1609 | xmlChar * |
| 1610 | xmlTextReaderBaseUri(xmlTextReaderPtr reader) { |
| 1611 | if ((reader == NULL) || (reader->node == NULL)) |
| 1612 | return(NULL); |
| 1613 | return(xmlNodeGetBase(NULL, reader->node)); |
| 1614 | } |
| 1615 | |
| 1616 | /** |
| 1617 | * xmlTextReaderDepth: |
| 1618 | * @reader: the xmlTextReaderPtr used |
| 1619 | * |
| 1620 | * The depth of the node in the tree. |
| 1621 | * |
| 1622 | * Returns the depth or -1 in case of error |
| 1623 | */ |
| 1624 | int |
| 1625 | xmlTextReaderDepth(xmlTextReaderPtr reader) { |
| 1626 | if (reader == NULL) |
| 1627 | return(-1); |
| 1628 | if (reader->node == NULL) |
| 1629 | return(0); |
| 1630 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 1631 | if (reader->curnode != NULL) { |
| 1632 | if ((reader->curnode->type == XML_ATTRIBUTE_NODE) || |
| 1633 | (reader->curnode->type == XML_NAMESPACE_DECL)) |
| 1634 | return(reader->depth + 1); |
| 1635 | return(reader->depth + 2); |
| 1636 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1637 | return(reader->depth); |
| 1638 | } |
| 1639 | |
| 1640 | /** |
| 1641 | * xmlTextReaderHasAttributes: |
| 1642 | * @reader: the xmlTextReaderPtr used |
| 1643 | * |
| 1644 | * Whether the node has attributes. |
| 1645 | * |
| 1646 | * Returns 1 if true, 0 if false, and -1 in case or error |
| 1647 | */ |
| 1648 | int |
| 1649 | xmlTextReaderHasAttributes(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1650 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1651 | if (reader == NULL) |
| 1652 | return(-1); |
| 1653 | if (reader->node == NULL) |
| 1654 | return(0); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1655 | if (reader->curnode != NULL) |
| 1656 | node = reader->curnode; |
| 1657 | else |
| 1658 | node = reader->node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1659 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1660 | if ((node->type == XML_ELEMENT_NODE) && |
| 1661 | (node->properties != NULL)) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1662 | return(1); |
| 1663 | /* TODO: handle the xmlDecl */ |
| 1664 | return(0); |
| 1665 | } |
| 1666 | |
| 1667 | /** |
| 1668 | * xmlTextReaderHasValue: |
| 1669 | * @reader: the xmlTextReaderPtr used |
| 1670 | * |
| 1671 | * Whether the node can have a text value. |
| 1672 | * |
| 1673 | * Returns 1 if true, 0 if false, and -1 in case or error |
| 1674 | */ |
| 1675 | int |
| 1676 | xmlTextReaderHasValue(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1677 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1678 | if (reader == NULL) |
| 1679 | return(-1); |
| 1680 | if (reader->node == NULL) |
| 1681 | return(0); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1682 | if (reader->curnode != NULL) |
| 1683 | node = reader->curnode; |
| 1684 | else |
| 1685 | node = reader->node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1686 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1687 | switch (node->type) { |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1688 | case XML_ATTRIBUTE_NODE: |
| 1689 | case XML_TEXT_NODE: |
| 1690 | case XML_CDATA_SECTION_NODE: |
| 1691 | case XML_PI_NODE: |
| 1692 | case XML_COMMENT_NODE: |
| 1693 | return(1); |
| 1694 | default: |
| 1695 | return(0); |
| 1696 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1697 | return(0); |
| 1698 | } |
| 1699 | |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1700 | /** |
| 1701 | * xmlTextReaderValue: |
| 1702 | * @reader: the xmlTextReaderPtr used |
| 1703 | * |
| 1704 | * Provides the text value of the node if present |
| 1705 | * |
| 1706 | * Returns the string or NULL if not available. The retsult must be deallocated |
| 1707 | * with xmlFree() |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1708 | */ |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1709 | xmlChar * |
| 1710 | xmlTextReaderValue(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1711 | xmlNodePtr node; |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1712 | if (reader == NULL) |
| 1713 | return(NULL); |
| 1714 | if (reader->node == NULL) |
| 1715 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1716 | if (reader->curnode != NULL) |
| 1717 | node = reader->curnode; |
| 1718 | else |
| 1719 | node = reader->node; |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1720 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1721 | switch (node->type) { |
| 1722 | case XML_NAMESPACE_DECL: |
| 1723 | return(xmlStrdup(((xmlNsPtr) node)->href)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1724 | case XML_ATTRIBUTE_NODE:{ |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1725 | xmlAttrPtr attr = (xmlAttrPtr) node; |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1726 | |
| 1727 | if (attr->parent != NULL) |
| 1728 | return (xmlNodeListGetString |
| 1729 | (attr->parent->doc, attr->children, 1)); |
| 1730 | else |
| 1731 | return (xmlNodeListGetString(NULL, attr->children, 1)); |
| 1732 | break; |
| 1733 | } |
| 1734 | case XML_TEXT_NODE: |
| 1735 | case XML_CDATA_SECTION_NODE: |
| 1736 | case XML_PI_NODE: |
| 1737 | case XML_COMMENT_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1738 | if (node->content != NULL) |
| 1739 | return (xmlStrdup(node->content)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1740 | default: |
| 1741 | return(NULL); |
| 1742 | } |
| 1743 | return(NULL); |
| 1744 | } |
| 1745 | |
| 1746 | /** |
| 1747 | * xmlTextReaderIsDefault: |
| 1748 | * @reader: the xmlTextReaderPtr used |
| 1749 | * |
| 1750 | * Whether an Attribute node was generated from the default value |
| 1751 | * defined in the DTD or schema. |
| 1752 | * |
| 1753 | * Returns 0 if not defaulted, 1 if defaulted, and -1 in case of error |
| 1754 | */ |
| 1755 | int |
| 1756 | xmlTextReaderIsDefault(xmlTextReaderPtr reader) { |
| 1757 | if (reader == NULL) |
| 1758 | return(-1); |
| 1759 | return(0); |
| 1760 | } |
| 1761 | |
| 1762 | /** |
| 1763 | * xmlTextReaderQuoteChar: |
| 1764 | * @reader: the xmlTextReaderPtr used |
| 1765 | * |
| 1766 | * The quotation mark character used to enclose the value of an attribute. |
| 1767 | * |
| 1768 | * Returns " or ' and -1 in case of error |
| 1769 | */ |
| 1770 | int |
| 1771 | xmlTextReaderQuoteChar(xmlTextReaderPtr reader) { |
| 1772 | if (reader == NULL) |
| 1773 | return(-1); |
| 1774 | /* TODO maybe lookup the attribute value for " first */ |
| 1775 | return((int) '"'); |
| 1776 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1777 | |
| 1778 | /** |
| 1779 | * xmlTextReaderXmlLang: |
| 1780 | * @reader: the xmlTextReaderPtr used |
| 1781 | * |
| 1782 | * The xml:lang scope within which the node resides. |
| 1783 | * |
| 1784 | * Returns the xml:lang value or NULL if none exists. |
| 1785 | */ |
| 1786 | xmlChar * |
| 1787 | xmlTextReaderXmlLang(xmlTextReaderPtr reader) { |
| 1788 | if (reader == NULL) |
| 1789 | return(NULL); |
| 1790 | if (reader->node == NULL) |
| 1791 | return(NULL); |
| 1792 | return(xmlNodeGetLang(reader->node)); |
| 1793 | } |
| 1794 | |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 1795 | /** |
| 1796 | * xmlTextReaderNormalization: |
| 1797 | * @reader: the xmlTextReaderPtr used |
| 1798 | * |
| 1799 | * The value indicating whether to normalize white space and attribute values. |
| 1800 | * Since attribute value and end of line normalizations are a MUST in the XML |
| 1801 | * specification only the value true is accepted. The broken bahaviour of |
| 1802 | * accepting out of range character entities like � is of course not |
| 1803 | * supported either. |
| 1804 | * |
| 1805 | * Returns 1 or -1 in case of error. |
| 1806 | */ |
| 1807 | int |
| 1808 | xmlTextReaderNormalization(xmlTextReaderPtr reader) { |
| 1809 | if (reader == NULL) |
| 1810 | return(-1); |
| 1811 | return(1); |
| 1812 | } |
| 1813 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 1814 | /************************************************************************ |
| 1815 | * * |
| 1816 | * Extensions to the base APIs * |
| 1817 | * * |
| 1818 | ************************************************************************/ |
| 1819 | |
| 1820 | /** |
| 1821 | * xmlTextReaderSetParserProp: |
| 1822 | * @reader: the xmlTextReaderPtr used |
| 1823 | * @prop: the xmlParserProperties to set |
| 1824 | * @value: usually 0 or 1 to (de)activate it |
| 1825 | * |
| 1826 | * Change the parser processing behaviour by changing some of its internal |
| 1827 | * properties. Note that some properties can only be changed before any |
| 1828 | * read has been done. |
| 1829 | * |
| 1830 | * Returns 0 if the call was successful, or -1 in case of error |
| 1831 | */ |
| 1832 | int |
| 1833 | xmlTextReaderSetParserProp(xmlTextReaderPtr reader, int prop, int value) { |
| 1834 | xmlParserProperties p = (xmlParserProperties) prop; |
| 1835 | xmlParserCtxtPtr ctxt; |
| 1836 | |
| 1837 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 1838 | return(-1); |
| 1839 | ctxt = reader->ctxt; |
| 1840 | |
| 1841 | switch (p) { |
| 1842 | case XML_PARSER_LOADDTD: |
| 1843 | if (value != 0) { |
| 1844 | if (ctxt->loadsubset == 0) { |
| 1845 | if (reader->mode != XML_TEXTREADER_MODE_INITIAL) |
| 1846 | return(-1); |
| 1847 | ctxt->loadsubset = XML_DETECT_IDS; |
| 1848 | } |
| 1849 | } else { |
| 1850 | ctxt->loadsubset = 0; |
| 1851 | } |
| 1852 | return(0); |
| 1853 | case XML_PARSER_DEFAULTATTRS: |
| 1854 | if (value != 0) { |
| 1855 | ctxt->loadsubset |= XML_COMPLETE_ATTRS; |
| 1856 | } else { |
| 1857 | if (ctxt->loadsubset & XML_COMPLETE_ATTRS) |
| 1858 | ctxt->loadsubset -= XML_COMPLETE_ATTRS; |
| 1859 | } |
| 1860 | return(0); |
| 1861 | case XML_PARSER_VALIDATE: |
| 1862 | if (value != 0) { |
| 1863 | ctxt->validate = 1; |
| 1864 | } else { |
| 1865 | ctxt->validate = 0; |
| 1866 | } |
| 1867 | return(0); |
Daniel Veillard | e18fc18 | 2002-12-28 22:56:33 +0000 | [diff] [blame] | 1868 | case XML_PARSER_SUBST_ENTITIES: |
| 1869 | if (value != 0) { |
| 1870 | ctxt->replaceEntities = 1; |
| 1871 | } else { |
| 1872 | ctxt->replaceEntities = 0; |
| 1873 | } |
| 1874 | return(0); |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 1875 | } |
| 1876 | return(-1); |
| 1877 | } |
| 1878 | |
| 1879 | /** |
| 1880 | * xmlTextReaderGetParserProp: |
| 1881 | * @reader: the xmlTextReaderPtr used |
| 1882 | * @prop: the xmlParserProperties to get |
| 1883 | * |
| 1884 | * Read the parser internal property. |
| 1885 | * |
| 1886 | * Returns the value, usually 0 or 1, or -1 in case of error. |
| 1887 | */ |
| 1888 | int |
| 1889 | xmlTextReaderGetParserProp(xmlTextReaderPtr reader, int prop) { |
| 1890 | xmlParserProperties p = (xmlParserProperties) prop; |
| 1891 | xmlParserCtxtPtr ctxt; |
| 1892 | |
| 1893 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 1894 | return(-1); |
| 1895 | ctxt = reader->ctxt; |
| 1896 | |
| 1897 | switch (p) { |
| 1898 | case XML_PARSER_LOADDTD: |
| 1899 | if ((ctxt->loadsubset != 0) || (ctxt->validate != 0)) |
| 1900 | return(1); |
| 1901 | return(0); |
| 1902 | case XML_PARSER_DEFAULTATTRS: |
| 1903 | if (ctxt->loadsubset & XML_COMPLETE_ATTRS) |
| 1904 | return(1); |
| 1905 | return(0); |
| 1906 | case XML_PARSER_VALIDATE: |
| 1907 | return(ctxt->validate); |
Daniel Veillard | e18fc18 | 2002-12-28 22:56:33 +0000 | [diff] [blame] | 1908 | case XML_PARSER_SUBST_ENTITIES: |
| 1909 | return(ctxt->replaceEntities); |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 1910 | } |
| 1911 | return(-1); |
| 1912 | } |
| 1913 | |
Daniel Veillard | e18fc18 | 2002-12-28 22:56:33 +0000 | [diff] [blame] | 1914 | /** |
| 1915 | * xmlTextReaderCurrentNode: |
| 1916 | * @reader: the xmlTextReaderPtr used |
| 1917 | * |
| 1918 | * Hacking interface allowing to get the xmlNodePtr correponding to the |
| 1919 | * current node being accessed by the xmlTextReader. This is dangerous |
| 1920 | * because the underlying node may be destroyed on the next Reads. |
| 1921 | * |
| 1922 | * Returns the xmlNodePtr or NULL in case of error. |
| 1923 | */ |
| 1924 | xmlNodePtr |
| 1925 | xmlTextReaderCurrentNode(xmlTextReaderPtr reader) { |
| 1926 | if (reader == NULL) |
| 1927 | return(NULL); |
| 1928 | |
| 1929 | if (reader->curnode != NULL) |
| 1930 | return(reader->curnode); |
| 1931 | return(reader->node); |
| 1932 | } |
| 1933 | |
| 1934 | /** |
| 1935 | * xmlTextReaderCurrentDoc: |
| 1936 | * @reader: the xmlTextReaderPtr used |
| 1937 | * |
| 1938 | * Hacking interface allowing to get the xmlDocPtr correponding to the |
| 1939 | * current document being accessed by the xmlTextReader. This is dangerous |
| 1940 | * because the associated node may be destroyed on the next Reads. |
| 1941 | * |
| 1942 | * Returns the xmlDocPtr or NULL in case of error. |
| 1943 | */ |
| 1944 | xmlDocPtr |
| 1945 | xmlTextReaderCurrentDoc(xmlTextReaderPtr reader) { |
| 1946 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 1947 | return(NULL); |
| 1948 | |
| 1949 | return(reader->ctxt->myDoc); |
| 1950 | } |
| 1951 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 1952 | /************************************************************************ |
| 1953 | * * |
| 1954 | * Utilities * |
| 1955 | * * |
| 1956 | ************************************************************************/ |
| 1957 | /** |
| 1958 | * xmlBase64Decode: |
| 1959 | * @in: the input buffer |
| 1960 | * @inlen: the size of the input (in), the size read from it (out) |
| 1961 | * @to: the output buffer |
| 1962 | * @tolen: the size of the output (in), the size written to (out) |
| 1963 | * |
| 1964 | * Base64 decoder, reads from @in and save in @to |
| 1965 | * |
| 1966 | * Returns 0 if all the input was consumer, 1 if the Base64 end was reached, |
| 1967 | * 2 if there wasn't enough space on the output or -1 in case of error. |
| 1968 | */ |
| 1969 | static int |
| 1970 | xmlBase64Decode(const unsigned char *in, unsigned long *inlen, |
| 1971 | unsigned char *to, unsigned long *tolen) { |
| 1972 | unsigned long incur; /* current index in in[] */ |
| 1973 | unsigned long inblk; /* last block index in in[] */ |
| 1974 | unsigned long outcur; /* current index in out[] */ |
| 1975 | unsigned long inmax; /* size of in[] */ |
| 1976 | unsigned long outmax; /* size of out[] */ |
| 1977 | unsigned char cur; /* the current value read from in[] */ |
| 1978 | unsigned char intmp[3], outtmp[4]; /* temporary buffers for the convert */ |
| 1979 | int nbintmp; /* number of byte in intmp[] */ |
| 1980 | int is_ignore; /* cur should be ignored */ |
| 1981 | int is_end = 0; /* the end of the base64 was found */ |
| 1982 | int retval = 1; |
| 1983 | int i; |
| 1984 | |
| 1985 | if ((in == NULL) || (inlen == NULL) || (to == NULL) || (tolen == NULL)) |
| 1986 | return(-1); |
| 1987 | |
| 1988 | incur = 0; |
| 1989 | inblk = 0; |
| 1990 | outcur = 0; |
| 1991 | inmax = *inlen; |
| 1992 | outmax = *tolen; |
| 1993 | nbintmp = 0; |
| 1994 | |
| 1995 | while (1) { |
| 1996 | if (incur >= inmax) |
| 1997 | break; |
| 1998 | cur = in[incur++]; |
| 1999 | is_ignore = 0; |
| 2000 | if ((cur >= 'A') && (cur <= 'Z')) |
| 2001 | cur = cur - 'A'; |
| 2002 | else if ((cur >= 'a') && (cur <= 'z')) |
| 2003 | cur = cur - 'a' + 26; |
| 2004 | else if ((cur >= '0') && (cur <= '9')) |
| 2005 | cur = cur - '0' + 52; |
| 2006 | else if (cur == '+') |
| 2007 | cur = 62; |
| 2008 | else if (cur == '/') |
| 2009 | cur = 63; |
| 2010 | else if (cur == '.') |
| 2011 | cur = 0; |
| 2012 | else if (cur == '=') /*no op , end of the base64 stream */ |
| 2013 | is_end = 1; |
| 2014 | else { |
| 2015 | is_ignore = 1; |
| 2016 | if (nbintmp == 0) |
| 2017 | inblk = incur; |
| 2018 | } |
| 2019 | |
| 2020 | if (!is_ignore) { |
| 2021 | int nbouttmp = 3; |
| 2022 | int is_break = 0; |
| 2023 | |
| 2024 | if (is_end) { |
| 2025 | if (nbintmp == 0) |
| 2026 | break; |
| 2027 | if ((nbintmp == 1) || (nbintmp == 2)) |
| 2028 | nbouttmp = 1; |
| 2029 | else |
| 2030 | nbouttmp = 2; |
| 2031 | nbintmp = 3; |
| 2032 | is_break = 1; |
| 2033 | } |
| 2034 | intmp[nbintmp++] = cur; |
| 2035 | /* |
| 2036 | * if intmp is full, push the 4byte sequence as a 3 byte |
| 2037 | * sequence out |
| 2038 | */ |
| 2039 | if (nbintmp == 4) { |
| 2040 | nbintmp = 0; |
| 2041 | outtmp[0] = (intmp[0] << 2) | ((intmp[1] & 0x30) >> 4); |
| 2042 | outtmp[1] = |
| 2043 | ((intmp[1] & 0x0F) << 4) | ((intmp[2] & 0x3C) >> 2); |
| 2044 | outtmp[2] = ((intmp[2] & 0x03) << 6) | (intmp[3] & 0x3F); |
| 2045 | if (outcur + 3 >= outmax) { |
| 2046 | retval = 2; |
| 2047 | break; |
| 2048 | } |
| 2049 | |
| 2050 | for (i = 0; i < nbouttmp; i++) |
| 2051 | to[outcur++] = outtmp[i]; |
| 2052 | inblk = incur; |
| 2053 | } |
| 2054 | |
| 2055 | if (is_break) { |
| 2056 | retval = 0; |
| 2057 | break; |
| 2058 | } |
| 2059 | } |
| 2060 | } |
| 2061 | |
| 2062 | *tolen = outcur; |
| 2063 | *inlen = inblk; |
| 2064 | return (retval); |
| 2065 | } |
| 2066 | |
| 2067 | /* |
| 2068 | * Test routine for the xmlBase64Decode function |
| 2069 | */ |
| 2070 | #if 0 |
| 2071 | int main(int argc, char **argv) { |
| 2072 | char *input = " VW4 gcGV0 \n aXQgdGVzdCAuCg== "; |
| 2073 | char output[100]; |
| 2074 | char output2[100]; |
| 2075 | char output3[100]; |
| 2076 | unsigned long inlen = strlen(input); |
| 2077 | unsigned long outlen = 100; |
| 2078 | int ret; |
| 2079 | unsigned long cons, tmp, tmp2, prod; |
| 2080 | |
| 2081 | /* |
| 2082 | * Direct |
| 2083 | */ |
| 2084 | ret = xmlBase64Decode(input, &inlen, output, &outlen); |
| 2085 | |
| 2086 | output[outlen] = 0; |
| 2087 | printf("ret: %d, inlen: %ld , outlen: %ld, output: '%s'\n", ret, inlen, outlen, output); |
| 2088 | |
| 2089 | /* |
| 2090 | * output chunking |
| 2091 | */ |
| 2092 | cons = 0; |
| 2093 | prod = 0; |
| 2094 | while (cons < inlen) { |
| 2095 | tmp = 5; |
| 2096 | tmp2 = inlen - cons; |
| 2097 | |
| 2098 | printf("%ld %ld\n", cons, prod); |
| 2099 | ret = xmlBase64Decode(&input[cons], &tmp2, &output2[prod], &tmp); |
| 2100 | cons += tmp2; |
| 2101 | prod += tmp; |
| 2102 | printf("%ld %ld\n", cons, prod); |
| 2103 | } |
| 2104 | output2[outlen] = 0; |
| 2105 | printf("ret: %d, cons: %ld , prod: %ld, output: '%s'\n", ret, cons, prod, output2); |
| 2106 | |
| 2107 | /* |
| 2108 | * input chunking |
| 2109 | */ |
| 2110 | cons = 0; |
| 2111 | prod = 0; |
| 2112 | while (cons < inlen) { |
| 2113 | tmp = 100 - prod; |
| 2114 | tmp2 = inlen - cons; |
| 2115 | if (tmp2 > 5) |
| 2116 | tmp2 = 5; |
| 2117 | |
| 2118 | printf("%ld %ld\n", cons, prod); |
| 2119 | ret = xmlBase64Decode(&input[cons], &tmp2, &output3[prod], &tmp); |
| 2120 | cons += tmp2; |
| 2121 | prod += tmp; |
| 2122 | printf("%ld %ld\n", cons, prod); |
| 2123 | } |
| 2124 | output3[outlen] = 0; |
| 2125 | printf("ret: %d, cons: %ld , prod: %ld, output: '%s'\n", ret, cons, prod, output3); |
| 2126 | return(0); |
| 2127 | |
| 2128 | } |
| 2129 | #endif |