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 | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 95 | |
| 96 | /* entity stack when traversing entities content */ |
| 97 | xmlNodePtr ent; /* Current Entity Ref Node */ |
| 98 | int entNr; /* Depth of the entities stack */ |
| 99 | int entMax; /* Max depth of the entities stack */ |
| 100 | xmlNodePtr *entTab; /* array of entities */ |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 101 | }; |
| 102 | |
| 103 | #ifdef DEBUG_READER |
| 104 | static void |
| 105 | xmlTextReaderDebug(xmlTextReaderPtr reader) { |
| 106 | if ((reader == NULL) || (reader->ctxt == NULL)) { |
| 107 | fprintf(stderr, "xmlTextReader NULL\n"); |
| 108 | return; |
| 109 | } |
| 110 | fprintf(stderr, "xmlTextReader: state %d depth %d ", |
| 111 | reader->state, reader->depth); |
| 112 | if (reader->node == NULL) { |
| 113 | fprintf(stderr, "node = NULL\n"); |
| 114 | } else { |
| 115 | fprintf(stderr, "node %s\n", reader->node->name); |
| 116 | } |
| 117 | fprintf(stderr, " input: base %d, cur %d, depth %d: ", |
| 118 | reader->base, reader->cur, reader->ctxt->nodeNr); |
| 119 | if (reader->input->buffer == NULL) { |
| 120 | fprintf(stderr, "buffer is NULL\n"); |
| 121 | } else { |
| 122 | #ifdef LIBXML_DEBUG_ENABLED |
| 123 | xmlDebugDumpString(stderr, |
| 124 | &reader->input->buffer->content[reader->cur]); |
| 125 | #endif |
| 126 | fprintf(stderr, "\n"); |
| 127 | } |
| 128 | } |
| 129 | #endif |
| 130 | |
| 131 | /** |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 132 | * xmlTextReaderEntPush: |
| 133 | * @reader: the xmlTextReaderPtr used |
| 134 | * @value: the entity reference node |
| 135 | * |
| 136 | * Pushes a new entity reference node on top of the entities stack |
| 137 | * |
| 138 | * Returns 0 in case of error, the index in the stack otherwise |
| 139 | */ |
| 140 | static int |
| 141 | xmlTextReaderEntPush(xmlTextReaderPtr reader, xmlNodePtr value) |
| 142 | { |
| 143 | if (reader->entMax <= 0) { |
| 144 | reader->entMax = 10; |
| 145 | reader->entTab = (xmlNodePtr *) xmlMalloc(reader->entMax * |
| 146 | sizeof(reader->entTab[0])); |
| 147 | if (reader->entTab == NULL) { |
| 148 | xmlGenericError(xmlGenericErrorContext, "xmlMalloc failed !\n"); |
| 149 | return (0); |
| 150 | } |
| 151 | } |
| 152 | if (reader->entNr >= reader->entMax) { |
| 153 | reader->entMax *= 2; |
| 154 | reader->entTab = |
| 155 | (xmlNodePtr *) xmlRealloc(reader->entTab, |
| 156 | reader->entMax * |
| 157 | sizeof(reader->entTab[0])); |
| 158 | if (reader->entTab == NULL) { |
| 159 | xmlGenericError(xmlGenericErrorContext, "xmlRealloc failed !\n"); |
| 160 | return (0); |
| 161 | } |
| 162 | } |
| 163 | reader->entTab[reader->entNr] = value; |
| 164 | reader->ent = value; |
| 165 | return (reader->entNr++); |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * xmlTextReaderEntPop: |
| 170 | * @reader: the xmlTextReaderPtr used |
| 171 | * |
| 172 | * Pops the top element entity from the entities stack |
| 173 | * |
| 174 | * Returns the entity just removed |
| 175 | */ |
| 176 | static xmlNodePtr |
| 177 | xmlTextReaderEntPop(xmlTextReaderPtr reader) |
| 178 | { |
| 179 | xmlNodePtr ret; |
| 180 | |
| 181 | if (reader->entNr <= 0) |
| 182 | return (0); |
| 183 | reader->entNr--; |
| 184 | if (reader->entNr > 0) |
| 185 | reader->ent = reader->entTab[reader->entNr - 1]; |
| 186 | else |
| 187 | reader->ent = NULL; |
| 188 | ret = reader->entTab[reader->entNr]; |
| 189 | reader->entTab[reader->entNr] = 0; |
| 190 | return (ret); |
| 191 | } |
| 192 | |
| 193 | /** |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 194 | * xmlTextReaderStartElement: |
| 195 | * @ctx: the user data (XML parser context) |
| 196 | * @fullname: The element name, including namespace prefix |
| 197 | * @atts: An array of name/value attributes pairs, NULL terminated |
| 198 | * |
| 199 | * called when an opening tag has been processed. |
| 200 | */ |
| 201 | static void |
| 202 | xmlTextReaderStartElement(void *ctx, const xmlChar *fullname, |
| 203 | const xmlChar **atts) { |
| 204 | xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
Daniel Veillard | d589614 | 2002-12-31 14:45:26 +0000 | [diff] [blame] | 205 | xmlParserCtxtPtr origctxt; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 206 | xmlTextReaderPtr reader = ctxt->_private; |
| 207 | |
| 208 | #ifdef DEBUG_CALLBACKS |
| 209 | printf("xmlTextReaderStartElement(%s)\n", fullname); |
| 210 | #endif |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 211 | if ((reader != NULL) && (reader->startElement != NULL)) { |
Daniel Veillard | d589614 | 2002-12-31 14:45:26 +0000 | [diff] [blame] | 212 | /* |
| 213 | * when processing an entity, the context may have been changed |
| 214 | */ |
| 215 | origctxt = reader->ctxt; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 216 | reader->startElement(ctx, fullname, atts); |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 217 | #if 0 |
| 218 | 123 |
Daniel Veillard | d589614 | 2002-12-31 14:45:26 +0000 | [diff] [blame] | 219 | if (origctxt->validate) { |
| 220 | ctxt->valid &= xmlValidatePushElement(&origctxt->vctxt, |
| 221 | ctxt->myDoc, ctxt->node, fullname); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 222 | } |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 223 | #endif |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 224 | } |
Daniel Veillard | 9e395c2 | 2003-01-01 14:50:44 +0000 | [diff] [blame] | 225 | if (reader != NULL) |
| 226 | reader->state = XML_TEXTREADER_ELEMENT; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | /** |
| 230 | * xmlTextReaderEndElement: |
| 231 | * @ctx: the user data (XML parser context) |
| 232 | * @fullname: The element name, including namespace prefix |
| 233 | * |
| 234 | * called when an ending tag has been processed. |
| 235 | */ |
| 236 | static void |
| 237 | xmlTextReaderEndElement(void *ctx, const xmlChar *fullname) { |
| 238 | xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
Daniel Veillard | d589614 | 2002-12-31 14:45:26 +0000 | [diff] [blame] | 239 | xmlParserCtxtPtr origctxt; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 240 | xmlTextReaderPtr reader = ctxt->_private; |
| 241 | |
| 242 | #ifdef DEBUG_CALLBACKS |
| 243 | printf("xmlTextReaderEndElement(%s)\n", fullname); |
| 244 | #endif |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 245 | if ((reader != NULL) && (reader->endElement != NULL)) { |
| 246 | xmlNodePtr node = ctxt->node; |
Daniel Veillard | d589614 | 2002-12-31 14:45:26 +0000 | [diff] [blame] | 247 | /* |
| 248 | * when processing an entity, the context may have been changed |
| 249 | */ |
| 250 | origctxt = reader->ctxt; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 251 | |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 252 | reader->endElement(ctx, fullname); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 253 | |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 254 | #if 0 |
| 255 | 123 |
Daniel Veillard | d589614 | 2002-12-31 14:45:26 +0000 | [diff] [blame] | 256 | if (origctxt->validate) { |
| 257 | ctxt->valid &= xmlValidatePopElement(&origctxt->vctxt, |
| 258 | ctxt->myDoc, node, fullname); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 259 | } |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 260 | #endif |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 261 | } |
Daniel Veillard | 9e395c2 | 2003-01-01 14:50:44 +0000 | [diff] [blame] | 262 | if (reader != NULL) { |
| 263 | if (reader->state == XML_TEXTREADER_ELEMENT) |
| 264 | reader->wasempty = 1; |
| 265 | else |
| 266 | reader->wasempty = 0; |
| 267 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | /** |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 271 | * xmlTextReaderCharacters: |
| 272 | * @ctx: the user data (XML parser context) |
| 273 | * @ch: a xmlChar string |
| 274 | * @len: the number of xmlChar |
| 275 | * |
| 276 | * receiving some chars from the parser. |
| 277 | */ |
| 278 | static void |
| 279 | xmlTextReaderCharacters(void *ctx, const xmlChar *ch, int len) |
| 280 | { |
| 281 | xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
Daniel Veillard | d589614 | 2002-12-31 14:45:26 +0000 | [diff] [blame] | 282 | xmlParserCtxtPtr origctxt; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 283 | xmlTextReaderPtr reader = ctxt->_private; |
| 284 | |
| 285 | #ifdef DEBUG_CALLBACKS |
| 286 | printf("xmlTextReaderCharacters()\n"); |
| 287 | #endif |
| 288 | if ((reader != NULL) && (reader->characters != NULL)) { |
| 289 | reader->characters(ctx, ch, len); |
Daniel Veillard | d589614 | 2002-12-31 14:45:26 +0000 | [diff] [blame] | 290 | /* |
| 291 | * when processing an entity, the context may have been changed |
| 292 | */ |
| 293 | origctxt = reader->ctxt; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 294 | |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 295 | #if 0 |
| 296 | 123 |
Daniel Veillard | d589614 | 2002-12-31 14:45:26 +0000 | [diff] [blame] | 297 | if (origctxt->validate) { |
| 298 | ctxt->valid &= xmlValidatePushCData(&origctxt->vctxt, ch, len); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 299 | } |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 300 | #endif |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 301 | } |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * xmlTextReaderCDataBlock: |
| 306 | * @ctx: the user data (XML parser context) |
| 307 | * @value: The pcdata content |
| 308 | * @len: the block length |
| 309 | * |
| 310 | * called when a pcdata block has been parsed |
| 311 | */ |
| 312 | static void |
| 313 | xmlTextReaderCDataBlock(void *ctx, const xmlChar *ch, int len) |
| 314 | { |
| 315 | xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
| 316 | xmlTextReaderPtr reader = ctxt->_private; |
| 317 | |
| 318 | #ifdef DEBUG_CALLBACKS |
| 319 | printf("xmlTextReaderCDataBlock()\n"); |
| 320 | #endif |
| 321 | if ((reader != NULL) && (reader->cdataBlock != NULL)) { |
| 322 | reader->cdataBlock(ctx, ch, len); |
| 323 | |
| 324 | if (ctxt->validate) { |
| 325 | ctxt->valid &= xmlValidatePushCData(&ctxt->vctxt, ch, len); |
| 326 | } |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | /** |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 331 | * xmlTextReaderPushData: |
| 332 | * @reader: the xmlTextReaderPtr used |
| 333 | * |
| 334 | * Push data down the progressive parser until a significant callback |
| 335 | * got raised. |
| 336 | * |
| 337 | * Returns -1 in case of failure, 0 otherwise |
| 338 | */ |
| 339 | static int |
| 340 | xmlTextReaderPushData(xmlTextReaderPtr reader) { |
| 341 | unsigned int cur = reader->cur; |
| 342 | xmlBufferPtr inbuf; |
| 343 | int val; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 344 | int oldstate; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 345 | |
| 346 | if ((reader->input == NULL) || (reader->input->buffer == NULL)) |
| 347 | return(-1); |
| 348 | |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 349 | oldstate = reader->state; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 350 | reader->state = XML_TEXTREADER_NONE; |
| 351 | inbuf = reader->input->buffer; |
| 352 | while (reader->state == XML_TEXTREADER_NONE) { |
| 353 | if (cur >= inbuf->use) { |
| 354 | /* |
| 355 | * Refill the buffer unless we are at the end of the stream |
| 356 | */ |
| 357 | if (reader->mode != XML_TEXTREADER_MODE_EOF) { |
| 358 | val = xmlParserInputBufferRead(reader->input, 4096); |
| 359 | if (val <= 0) { |
| 360 | reader->mode = XML_TEXTREADER_MODE_EOF; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 361 | reader->state = oldstate; |
Daniel Veillard | aaa105b | 2002-12-30 11:42:17 +0000 | [diff] [blame] | 362 | if ((oldstate != XML_TEXTREADER_START) || |
| 363 | (reader->ctxt->myDoc != NULL)) |
| 364 | return(val); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 365 | } |
| 366 | } else |
| 367 | break; |
| 368 | } |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 369 | if ((inbuf->content[cur] == '>') || (inbuf->content[cur] == '&') || |
| 370 | (inbuf->content[cur] == ';')) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 371 | cur = cur + 1; |
| 372 | val = xmlParseChunk(reader->ctxt, |
| 373 | (const char *) &inbuf->content[reader->cur], |
| 374 | cur - reader->cur, 0); |
| 375 | if (val != 0) |
| 376 | return(-1); |
| 377 | reader->cur = cur; |
| 378 | break; |
| 379 | } else { |
| 380 | cur = cur + 1; |
| 381 | |
| 382 | /* |
| 383 | * One may have to force a flush at some point when parsing really |
| 384 | * large CDATA sections |
| 385 | */ |
| 386 | if ((cur - reader->cur > 4096) && (reader->base == 0) && |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 387 | (reader->mode == XML_TEXTREADER_MODE_INTERACTIVE)) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 388 | cur = cur + 1; |
| 389 | val = xmlParseChunk(reader->ctxt, |
| 390 | (const char *) &inbuf->content[reader->cur], |
| 391 | cur - reader->cur, 0); |
| 392 | if (val != 0) |
| 393 | return(-1); |
| 394 | reader->cur = cur; |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | /* |
| 399 | * Discard the consumed input when needed and possible |
| 400 | */ |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 401 | if (reader->mode == XML_TEXTREADER_MODE_INTERACTIVE) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 402 | if ((reader->cur >= 4096) && (reader->base == 0)) { |
| 403 | val = xmlBufferShrink(inbuf, cur); |
| 404 | if (val >= 0) { |
| 405 | reader->cur -= val; |
| 406 | } |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | /* |
| 411 | * At the end of the stream signal that the work is done to the Push |
| 412 | * parser. |
| 413 | */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 414 | if (reader->mode == XML_TEXTREADER_MODE_EOF) { |
| 415 | if (reader->mode != XML_TEXTREADER_DONE) { |
| 416 | val = xmlParseChunk(reader->ctxt, |
| 417 | (const char *) &inbuf->content[reader->cur], 0, 1); |
| 418 | reader->mode = XML_TEXTREADER_DONE; |
| 419 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 420 | } |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 421 | reader->state = oldstate; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 422 | return(0); |
| 423 | } |
| 424 | |
| 425 | /** |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 426 | * xmlTextReaderValidatePush: |
| 427 | * @reader: the xmlTextReaderPtr used |
| 428 | * |
| 429 | * Push the current node for validation |
| 430 | */ |
| 431 | static void |
| 432 | xmlTextReaderValidatePush(xmlTextReaderPtr reader) { |
| 433 | xmlNodePtr node = reader->node; |
| 434 | |
| 435 | if ((node->ns == NULL) || (node->ns->prefix == NULL)) { |
| 436 | reader->ctxt->valid &= xmlValidatePushElement(&reader->ctxt->vctxt, |
| 437 | reader->ctxt->myDoc, node, node->name); |
| 438 | } else { |
| 439 | xmlChar *qname; |
| 440 | |
| 441 | qname = xmlStrdup(node->ns->prefix); |
| 442 | qname = xmlStrcat(qname, BAD_CAST ":"); |
| 443 | qname = xmlStrcat(qname, node->name); |
| 444 | reader->ctxt->valid &= xmlValidatePushElement(&reader->ctxt->vctxt, |
| 445 | reader->ctxt->myDoc, node, qname); |
| 446 | if (qname != NULL) |
| 447 | xmlFree(qname); |
| 448 | } |
| 449 | } |
| 450 | /** |
| 451 | * xmlTextReaderValidatePop: |
| 452 | * @reader: the xmlTextReaderPtr used |
| 453 | * |
| 454 | * Pop the current node from validation |
| 455 | */ |
| 456 | static void |
| 457 | xmlTextReaderValidatePop(xmlTextReaderPtr reader) { |
| 458 | xmlNodePtr node = reader->node; |
| 459 | |
| 460 | if ((node->ns == NULL) || (node->ns->prefix == NULL)) { |
| 461 | reader->ctxt->valid &= xmlValidatePopElement(&reader->ctxt->vctxt, |
| 462 | reader->ctxt->myDoc, node, node->name); |
| 463 | } else { |
| 464 | xmlChar *qname; |
| 465 | |
| 466 | qname = xmlStrdup(node->ns->prefix); |
| 467 | qname = xmlStrcat(qname, BAD_CAST ":"); |
| 468 | qname = xmlStrcat(qname, node->name); |
| 469 | reader->ctxt->valid &= xmlValidatePopElement(&reader->ctxt->vctxt, |
| 470 | reader->ctxt->myDoc, node, qname); |
| 471 | if (qname != NULL) |
| 472 | xmlFree(qname); |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | |
| 477 | /** |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 478 | * xmlTextReaderRead: |
| 479 | * @reader: the xmlTextReaderPtr used |
| 480 | * |
| 481 | * Moves the position of the current instance to the next node in |
| 482 | * the stream, exposing its properties. |
| 483 | * |
| 484 | * Returns 1 if the node was read successfully, 0 if there is no more |
| 485 | * nodes to read, or -1 in case of error |
| 486 | */ |
| 487 | int |
| 488 | xmlTextReaderRead(xmlTextReaderPtr reader) { |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 489 | int val, olddepth = 0, wasempty = 0; |
| 490 | xmlTextReaderState oldstate = 0; |
| 491 | xmlNodePtr oldnode = NULL; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 492 | |
| 493 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 494 | return(-1); |
| 495 | if (reader->ctxt->wellFormed != 1) |
| 496 | return(-1); |
| 497 | |
| 498 | #ifdef DEBUG_READER |
| 499 | fprintf(stderr, "\nREAD "); |
| 500 | DUMP_READER |
| 501 | #endif |
Daniel Veillard | 29b3e28 | 2002-12-29 11:14:41 +0000 | [diff] [blame] | 502 | reader->curnode = NULL; |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 503 | if (reader->mode == XML_TEXTREADER_MODE_INITIAL) { |
| 504 | reader->mode = XML_TEXTREADER_MODE_INTERACTIVE; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 505 | /* |
| 506 | * Initial state |
| 507 | */ |
| 508 | do { |
| 509 | val = xmlTextReaderPushData(reader); |
| 510 | if (val < 0) |
| 511 | return(-1); |
| 512 | } while ((reader->ctxt->node == NULL) && |
| 513 | (reader->mode != XML_TEXTREADER_MODE_EOF)); |
| 514 | if (reader->ctxt->node == NULL) { |
Daniel Veillard | dab8ea9 | 2003-01-02 14:16:45 +0000 | [diff] [blame] | 515 | if (reader->ctxt->myDoc != NULL) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 516 | reader->node = reader->ctxt->myDoc->children; |
Daniel Veillard | dab8ea9 | 2003-01-02 14:16:45 +0000 | [diff] [blame] | 517 | if ((reader->ctxt->input != NULL) && |
| 518 | (reader->ctxt->input->cur != NULL) && |
| 519 | (reader->ctxt->input->cur[-2] != '/')) |
| 520 | reader->wasempty = -1; |
| 521 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 522 | if (reader->node == NULL) |
| 523 | return(-1); |
Daniel Veillard | dab8ea9 | 2003-01-02 14:16:45 +0000 | [diff] [blame] | 524 | reader->state = XML_TEXTREADER_ELEMENT; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 525 | } else { |
Daniel Veillard | 4d8db8a | 2002-12-30 18:40:42 +0000 | [diff] [blame] | 526 | reader->node = reader->ctxt->nodeTab[0]; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 527 | } |
Daniel Veillard | 4d8db8a | 2002-12-30 18:40:42 +0000 | [diff] [blame] | 528 | reader->depth = 0; |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 529 | goto node_found; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 530 | } |
| 531 | oldstate = reader->state; |
| 532 | olddepth = reader->ctxt->nodeNr; |
| 533 | oldnode = reader->node; |
Daniel Veillard | dab8ea9 | 2003-01-02 14:16:45 +0000 | [diff] [blame] | 534 | /* |
| 535 | * the <p></p> vs. <p/> distinction at the API level royally sucks, |
| 536 | * Microsoft priviledge ... |
| 537 | */ |
| 538 | if (reader->wasempty == -1) |
| 539 | wasempty = 0; |
| 540 | else |
| 541 | wasempty = (((reader->wasempty == 1) && (reader->ctxt->node != NULL) && |
Daniel Veillard | e3c036e | 2003-01-01 15:11:05 +0000 | [diff] [blame] | 542 | (reader->ctxt->node->last == reader->node)) || |
| 543 | (reader->node != reader->ctxt->node)); |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 544 | |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 545 | get_next_node: |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 546 | /* |
| 547 | * If we are not backtracking on ancestors or examined nodes, |
| 548 | * that the parser didn't finished or that we arent at the end |
| 549 | * of stream, continue processing. |
| 550 | */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 551 | while (((oldstate == XML_TEXTREADER_BACKTRACK) || |
| 552 | (reader->node->children == NULL) || |
| 553 | (reader->node->type == XML_ENTITY_REF_NODE) || |
| 554 | (reader->node->type == XML_DTD_NODE)) && |
| 555 | (reader->node->next == NULL) && |
| 556 | (reader->ctxt->nodeNr == olddepth) && |
| 557 | (reader->ctxt->instate != XML_PARSER_EOF)) { |
| 558 | val = xmlTextReaderPushData(reader); |
| 559 | if (val < 0) |
| 560 | return(-1); |
| 561 | if (reader->node == NULL) |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 562 | goto node_end; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 563 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 564 | if (oldstate != XML_TEXTREADER_BACKTRACK) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 565 | if ((reader->node->children != NULL) && |
| 566 | (reader->node->type != XML_ENTITY_REF_NODE) && |
| 567 | (reader->node->type != XML_DTD_NODE)) { |
| 568 | reader->node = reader->node->children; |
| 569 | reader->depth++; |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 570 | reader->state = XML_TEXTREADER_ELEMENT; |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 571 | goto node_found; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 572 | } |
| 573 | } |
| 574 | if (reader->node->next != NULL) { |
| 575 | if ((oldstate == XML_TEXTREADER_ELEMENT) && |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 576 | (reader->node->type == XML_ELEMENT_NODE) && |
| 577 | (wasempty == 0)) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 578 | reader->state = XML_TEXTREADER_END; |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 579 | goto node_found; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 580 | } |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 581 | if ((reader->ctxt->validate) && |
| 582 | (reader->node->type == XML_ELEMENT_NODE)) |
| 583 | xmlTextReaderValidatePop(reader); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 584 | reader->node = reader->node->next; |
| 585 | reader->state = XML_TEXTREADER_ELEMENT; |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 586 | |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 587 | /* |
| 588 | * Cleanup of the old node |
| 589 | */ |
| 590 | if (oldnode->type != XML_DTD_NODE) { |
| 591 | xmlUnlinkNode(oldnode); |
| 592 | xmlFreeNode(oldnode); |
| 593 | } |
| 594 | |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 595 | goto node_found; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 596 | } |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 597 | if ((oldstate == XML_TEXTREADER_ELEMENT) && |
Daniel Veillard | 571b889 | 2002-12-30 12:37:59 +0000 | [diff] [blame] | 598 | (reader->node->type == XML_ELEMENT_NODE) && |
| 599 | (wasempty == 0)) { |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 600 | reader->state = XML_TEXTREADER_END; |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 601 | goto node_found; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 602 | } |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 603 | if ((reader->ctxt->validate) && (reader->node->type == XML_ELEMENT_NODE)) |
| 604 | xmlTextReaderValidatePop(reader); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 605 | reader->node = reader->node->parent; |
| 606 | if ((reader->node == NULL) || |
| 607 | (reader->node->type == XML_DOCUMENT_NODE) || |
| 608 | #ifdef LIBXML_DOCB_ENABLED |
| 609 | (reader->node->type == XML_DOCB_DOCUMENT_NODE) || |
| 610 | #endif |
| 611 | (reader->node->type == XML_HTML_DOCUMENT_NODE)) { |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 612 | if (reader->mode != XML_TEXTREADER_DONE) { |
| 613 | val = xmlParseChunk(reader->ctxt, "", 0, 1); |
| 614 | reader->mode = XML_TEXTREADER_DONE; |
| 615 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 616 | reader->node = NULL; |
Daniel Veillard | 4d8db8a | 2002-12-30 18:40:42 +0000 | [diff] [blame] | 617 | reader->depth = -1; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 618 | |
| 619 | /* |
| 620 | * Cleanup of the old node |
| 621 | */ |
| 622 | if (oldnode->type != XML_DTD_NODE) { |
| 623 | xmlUnlinkNode(oldnode); |
| 624 | xmlFreeNode(oldnode); |
| 625 | } |
| 626 | |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 627 | goto node_end; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 628 | } |
| 629 | reader->depth--; |
| 630 | reader->state = XML_TEXTREADER_BACKTRACK; |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 631 | |
| 632 | node_found: |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 633 | DUMP_READER |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 634 | |
| 635 | /* |
| 636 | * Handle entities enter and exit |
| 637 | */ |
| 638 | if ((reader->node != NULL) && |
| 639 | (reader->node->type == XML_ENTITY_REF_NODE) && |
| 640 | (reader->ctxt != NULL) && (reader->ctxt->replaceEntities == 1)) { |
| 641 | /* |
| 642 | * Case where the underlying tree is not availble, lookup the entity |
| 643 | * and walk it. |
| 644 | */ |
| 645 | if ((reader->node->children == NULL) && (reader->ctxt->sax != NULL) && |
| 646 | (reader->ctxt->sax->getEntity != NULL)) { |
| 647 | reader->node->children = (xmlNodePtr) |
| 648 | reader->ctxt->sax->getEntity(reader->ctxt, reader->node->name); |
| 649 | } |
| 650 | |
| 651 | if ((reader->node->children != NULL) && |
| 652 | (reader->node->children->type == XML_ENTITY_DECL) && |
| 653 | (reader->node->children->children != NULL)) { |
| 654 | xmlTextReaderEntPush(reader, reader->node); |
| 655 | reader->node = reader->node->children->children; |
| 656 | } |
| 657 | } |
| 658 | if ((reader->node != NULL) && |
| 659 | (reader->node->type == XML_ENTITY_DECL) && |
| 660 | (reader->ent != NULL) && (reader->ent->children == reader->node)) { |
| 661 | reader->node = xmlTextReaderEntPop(reader); |
| 662 | reader->depth++; |
| 663 | goto get_next_node; |
| 664 | } |
| 665 | if ((reader->ctxt->validate) && (reader->node != NULL)) { |
| 666 | xmlNodePtr node = reader->node; |
| 667 | xmlParserCtxtPtr ctxt = reader->ctxt; |
| 668 | |
| 669 | if ((node->type == XML_ELEMENT_NODE) && |
| 670 | ((reader->state != XML_TEXTREADER_END) && |
| 671 | (reader->state != XML_TEXTREADER_BACKTRACK))) { |
| 672 | xmlTextReaderValidatePush(reader); |
| 673 | } else if ((node->type == XML_TEXT_NODE) || |
| 674 | (node->type == XML_CDATA_SECTION_NODE)) { |
| 675 | ctxt->valid &= xmlValidatePushCData(&ctxt->vctxt, |
| 676 | node->content, xmlStrlen(node->content)); |
| 677 | } |
| 678 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 679 | return(1); |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 680 | node_end: |
| 681 | return(0); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 682 | } |
| 683 | |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 684 | /** |
| 685 | * xmlTextReaderReadState: |
| 686 | * @reader: the xmlTextReaderPtr used |
| 687 | * |
| 688 | * Gets the read state of the reader. |
| 689 | * |
| 690 | * Returns the state value, or -1 in case of error |
| 691 | */ |
| 692 | int |
| 693 | xmlTextReaderReadState(xmlTextReaderPtr reader) { |
| 694 | if (reader == NULL) |
| 695 | return(-1); |
| 696 | return(reader->mode); |
| 697 | } |
| 698 | |
| 699 | /** |
| 700 | * xmlTextReaderReadInnerXml: |
| 701 | * @reader: the xmlTextReaderPtr used |
| 702 | * |
| 703 | * Reads the contents of the current node, including child nodes and markup. |
| 704 | * |
| 705 | * Returns a string containing the XML content, or NULL if the current node |
| 706 | * is neither an element nor attribute, or has no child nodes. The |
| 707 | * string must be deallocated by the caller. |
| 708 | */ |
| 709 | xmlChar * |
| 710 | xmlTextReaderReadInnerXml(xmlTextReaderPtr reader) { |
| 711 | TODO |
| 712 | return(NULL); |
| 713 | } |
| 714 | |
| 715 | /** |
| 716 | * xmlTextReaderReadOuterXml: |
| 717 | * @reader: the xmlTextReaderPtr used |
| 718 | * |
| 719 | * Reads the contents of the current node, including child nodes and markup. |
| 720 | * |
| 721 | * Returns a string containing the XML content, or NULL if the current node |
| 722 | * is neither an element nor attribute, or has no child nodes. The |
| 723 | * string must be deallocated by the caller. |
| 724 | */ |
| 725 | xmlChar * |
| 726 | xmlTextReaderReadOuterXml(xmlTextReaderPtr reader) { |
| 727 | TODO |
| 728 | return(NULL); |
| 729 | } |
| 730 | |
| 731 | /** |
| 732 | * xmlTextReaderReadString: |
| 733 | * @reader: the xmlTextReaderPtr used |
| 734 | * |
| 735 | * Reads the contents of an element or a text node as a string. |
| 736 | * |
| 737 | * Returns a string containing the contents of the Element or Text node, |
| 738 | * or NULL if the reader is positioned on any other type of node. |
| 739 | * The string must be deallocated by the caller. |
| 740 | */ |
| 741 | xmlChar * |
| 742 | xmlTextReaderReadString(xmlTextReaderPtr reader) { |
| 743 | TODO |
| 744 | return(NULL); |
| 745 | } |
| 746 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 747 | /** |
| 748 | * xmlTextReaderReadBase64: |
| 749 | * @reader: the xmlTextReaderPtr used |
| 750 | * @array: a byte array to store the content. |
| 751 | * @offset: the zero-based index into array where the method should |
| 752 | * begin to write. |
| 753 | * @len: the number of bytes to write. |
| 754 | * |
| 755 | * Reads and decodes the Base64 encoded contents of an element and |
| 756 | * stores the result in a byte buffer. |
| 757 | * |
| 758 | * Returns the number of bytes written to array, or zero if the current |
| 759 | * instance is not positioned on an element or -1 in case of error. |
| 760 | */ |
| 761 | int |
| 762 | xmlTextReaderReadBase64(xmlTextReaderPtr reader, unsigned char *array, |
| 763 | int offset, int len) { |
| 764 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 765 | return(-1); |
| 766 | if (reader->ctxt->wellFormed != 1) |
| 767 | return(-1); |
| 768 | |
| 769 | if ((reader->node == NULL) || (reader->node->type == XML_ELEMENT_NODE)) |
| 770 | return(0); |
| 771 | TODO |
| 772 | return(0); |
| 773 | } |
| 774 | |
| 775 | /** |
| 776 | * xmlTextReaderReadBinHex: |
| 777 | * @reader: the xmlTextReaderPtr used |
| 778 | * @array: a byte array to store the content. |
| 779 | * @offset: the zero-based index into array where the method should |
| 780 | * begin to write. |
| 781 | * @len: the number of bytes to write. |
| 782 | * |
| 783 | * Reads and decodes the BinHex encoded contents of an element and |
| 784 | * stores the result in a byte buffer. |
| 785 | * |
| 786 | * Returns the number of bytes written to array, or zero if the current |
| 787 | * instance is not positioned on an element or -1 in case of error. |
| 788 | */ |
| 789 | int |
| 790 | xmlTextReaderReadBinHex(xmlTextReaderPtr reader, unsigned char *array, |
| 791 | int offset, int len) { |
| 792 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 793 | return(-1); |
| 794 | if (reader->ctxt->wellFormed != 1) |
| 795 | return(-1); |
| 796 | |
| 797 | if ((reader->node == NULL) || (reader->node->type == XML_ELEMENT_NODE)) |
| 798 | return(0); |
| 799 | TODO |
| 800 | return(0); |
| 801 | } |
| 802 | |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 803 | /************************************************************************ |
| 804 | * * |
| 805 | * Constructor and destructors * |
| 806 | * * |
| 807 | ************************************************************************/ |
| 808 | /** |
| 809 | * xmlNewTextReader: |
| 810 | * @input: the xmlParserInputBufferPtr used to read data |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 811 | * @URI: the URI information for the source if available |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 812 | * |
| 813 | * Create an xmlTextReader structure fed with @input |
| 814 | * |
| 815 | * Returns the new xmlTextReaderPtr or NULL in case of error |
| 816 | */ |
| 817 | xmlTextReaderPtr |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 818 | xmlNewTextReader(xmlParserInputBufferPtr input, const char *URI) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 819 | xmlTextReaderPtr ret; |
| 820 | int val; |
| 821 | |
| 822 | if (input == NULL) |
| 823 | return(NULL); |
| 824 | ret = xmlMalloc(sizeof(xmlTextReader)); |
| 825 | if (ret == NULL) { |
| 826 | xmlGenericError(xmlGenericErrorContext, |
| 827 | "xmlNewTextReader : malloc failed\n"); |
| 828 | return(NULL); |
| 829 | } |
| 830 | memset(ret, 0, sizeof(xmlTextReader)); |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 831 | ret->entTab = NULL; |
| 832 | ret->entMax = 0; |
| 833 | ret->entNr = 0; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 834 | ret->input = input; |
| 835 | ret->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler)); |
| 836 | if (ret->sax == NULL) { |
| 837 | xmlFree(ret); |
| 838 | xmlGenericError(xmlGenericErrorContext, |
| 839 | "xmlNewTextReader : malloc failed\n"); |
| 840 | return(NULL); |
| 841 | } |
| 842 | memcpy(ret->sax, &xmlDefaultSAXHandler, sizeof(xmlSAXHandler)); |
| 843 | ret->startElement = ret->sax->startElement; |
| 844 | ret->sax->startElement = xmlTextReaderStartElement; |
| 845 | ret->endElement = ret->sax->endElement; |
| 846 | ret->sax->endElement = xmlTextReaderEndElement; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 847 | ret->characters = ret->sax->characters; |
| 848 | ret->sax->characters = xmlTextReaderCharacters; |
| 849 | ret->cdataBlock = ret->sax->cdataBlock; |
| 850 | ret->sax->cdataBlock = xmlTextReaderCDataBlock; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 851 | |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 852 | ret->mode = XML_TEXTREADER_MODE_INITIAL; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 853 | ret->node = NULL; |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 854 | ret->curnode = NULL; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 855 | val = xmlParserInputBufferRead(input, 4); |
| 856 | if (val >= 4) { |
| 857 | ret->ctxt = xmlCreatePushParserCtxt(ret->sax, NULL, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 858 | (const char *) ret->input->buffer->content, 4, URI); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 859 | ret->base = 0; |
| 860 | ret->cur = 4; |
| 861 | } else { |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 862 | ret->ctxt = xmlCreatePushParserCtxt(ret->sax, NULL, NULL, 0, URI); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 863 | ret->base = 0; |
| 864 | ret->cur = 0; |
| 865 | } |
| 866 | ret->ctxt->_private = ret; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 867 | ret->ctxt->linenumbers = 1; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 868 | ret->allocs = XML_TEXTREADER_CTXT; |
| 869 | return(ret); |
| 870 | |
| 871 | } |
| 872 | |
| 873 | /** |
| 874 | * xmlNewTextReaderFilename: |
| 875 | * @URI: the URI of the resource to process |
| 876 | * |
| 877 | * Create an xmlTextReader structure fed with the resource at @URI |
| 878 | * |
| 879 | * Returns the new xmlTextReaderPtr or NULL in case of error |
| 880 | */ |
| 881 | xmlTextReaderPtr |
| 882 | xmlNewTextReaderFilename(const char *URI) { |
| 883 | xmlParserInputBufferPtr input; |
| 884 | xmlTextReaderPtr ret; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 885 | char *directory = NULL; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 886 | |
| 887 | input = xmlParserInputBufferCreateFilename(URI, XML_CHAR_ENCODING_NONE); |
| 888 | if (input == NULL) |
| 889 | return(NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 890 | ret = xmlNewTextReader(input, URI); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 891 | if (ret == NULL) { |
| 892 | xmlFreeParserInputBuffer(input); |
| 893 | return(NULL); |
| 894 | } |
| 895 | ret->allocs |= XML_TEXTREADER_INPUT; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 896 | if (ret->ctxt->directory == NULL) |
| 897 | directory = xmlParserGetDirectory(URI); |
| 898 | if ((ret->ctxt->directory == NULL) && (directory != NULL)) |
| 899 | ret->ctxt->directory = (char *) xmlStrdup((xmlChar *) directory); |
| 900 | if (directory != NULL) |
| 901 | xmlFree(directory); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 902 | return(ret); |
| 903 | } |
| 904 | |
| 905 | /** |
| 906 | * xmlFreeTextReader: |
| 907 | * @reader: the xmlTextReaderPtr |
| 908 | * |
| 909 | * Deallocate all the resources associated to the reader |
| 910 | */ |
| 911 | void |
| 912 | xmlFreeTextReader(xmlTextReaderPtr reader) { |
| 913 | if (reader == NULL) |
| 914 | return; |
| 915 | if (reader->ctxt != NULL) { |
| 916 | if (reader->ctxt->myDoc != NULL) { |
| 917 | xmlFreeDoc(reader->ctxt->myDoc); |
| 918 | reader->ctxt->myDoc = NULL; |
| 919 | } |
Daniel Veillard | 336fc7d | 2002-12-27 19:37:04 +0000 | [diff] [blame] | 920 | if ((reader->ctxt->vctxt.vstateTab != NULL) && |
| 921 | (reader->ctxt->vctxt.vstateMax > 0)){ |
| 922 | xmlFree(reader->ctxt->vctxt.vstateTab); |
| 923 | reader->ctxt->vctxt.vstateTab = 0; |
| 924 | reader->ctxt->vctxt.vstateMax = 0; |
| 925 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 926 | if (reader->allocs & XML_TEXTREADER_CTXT) |
| 927 | xmlFreeParserCtxt(reader->ctxt); |
| 928 | } |
| 929 | if (reader->sax != NULL) |
| 930 | xmlFree(reader->sax); |
| 931 | if ((reader->input != NULL) && (reader->allocs & XML_TEXTREADER_INPUT)) |
| 932 | xmlFreeParserInputBuffer(reader->input); |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 933 | if (reader->faketext != NULL) { |
| 934 | xmlFreeNode(reader->faketext); |
| 935 | } |
Daniel Veillard | 1fdfd11 | 2003-01-03 01:18:43 +0000 | [diff] [blame^] | 936 | if (reader->entTab != NULL) |
| 937 | xmlFree(reader->entTab); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 938 | xmlFree(reader); |
| 939 | } |
| 940 | |
| 941 | /************************************************************************ |
| 942 | * * |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 943 | * Methods for XmlTextReader * |
| 944 | * * |
| 945 | ************************************************************************/ |
| 946 | /** |
| 947 | * xmlTextReaderClose: |
| 948 | * @reader: the xmlTextReaderPtr used |
| 949 | * |
| 950 | * This method releases any resources allocated by the current instance |
| 951 | * changes the state to Closed and close any underlying input. |
| 952 | * |
| 953 | * Returns 0 or -1 in case of error |
| 954 | */ |
| 955 | int |
| 956 | xmlTextReaderClose(xmlTextReaderPtr reader) { |
| 957 | if (reader == NULL) |
| 958 | return(-1); |
| 959 | reader->node = NULL; |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 960 | reader->curnode = NULL; |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 961 | reader->mode = XML_TEXTREADER_MODE_CLOSED; |
| 962 | if (reader->ctxt != NULL) { |
| 963 | if (reader->ctxt->myDoc != NULL) { |
| 964 | xmlFreeDoc(reader->ctxt->myDoc); |
| 965 | reader->ctxt->myDoc = NULL; |
| 966 | } |
| 967 | if (reader->allocs & XML_TEXTREADER_CTXT) { |
| 968 | xmlFreeParserCtxt(reader->ctxt); |
| 969 | reader->allocs -= XML_TEXTREADER_CTXT; |
| 970 | } |
| 971 | } |
| 972 | if (reader->sax != NULL) { |
| 973 | xmlFree(reader->sax); |
| 974 | reader->sax = NULL; |
| 975 | } |
| 976 | if ((reader->input != NULL) && (reader->allocs & XML_TEXTREADER_INPUT)) { |
| 977 | xmlFreeParserInputBuffer(reader->input); |
| 978 | reader->allocs -= XML_TEXTREADER_INPUT; |
| 979 | } |
| 980 | return(0); |
| 981 | } |
| 982 | |
| 983 | /** |
| 984 | * xmlTextReaderGetAttributeNo: |
| 985 | * @reader: the xmlTextReaderPtr used |
| 986 | * @no: the zero-based index of the attribute relative to the containing element |
| 987 | * |
| 988 | * Provides the value of the attribute with the specified index relative |
| 989 | * to the containing element. |
| 990 | * |
| 991 | * Returns a string containing the value of the specified attribute, or NULL |
| 992 | * in case of error. The string must be deallocated by the caller. |
| 993 | */ |
| 994 | xmlChar * |
| 995 | xmlTextReaderGetAttributeNo(xmlTextReaderPtr reader, int no) { |
| 996 | xmlChar *ret; |
| 997 | int i; |
| 998 | xmlAttrPtr cur; |
| 999 | xmlNsPtr ns; |
| 1000 | |
| 1001 | if (reader == NULL) |
| 1002 | return(NULL); |
| 1003 | if (reader->node == NULL) |
| 1004 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1005 | if (reader->curnode != NULL) |
| 1006 | return(NULL); |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 1007 | /* TODO: handle the xmlDecl */ |
| 1008 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1009 | return(NULL); |
| 1010 | |
| 1011 | ns = reader->node->nsDef; |
| 1012 | for (i = 0;(i < no) && (ns != NULL);i++) { |
| 1013 | ns = ns->next; |
| 1014 | } |
| 1015 | if (ns != NULL) |
| 1016 | return(xmlStrdup(ns->href)); |
| 1017 | |
| 1018 | cur = reader->node->properties; |
| 1019 | if (cur == NULL) |
| 1020 | return(NULL); |
| 1021 | for (;i < no;i++) { |
| 1022 | cur = cur->next; |
| 1023 | if (cur == NULL) |
| 1024 | return(NULL); |
| 1025 | } |
| 1026 | /* TODO walk the DTD if present */ |
| 1027 | |
| 1028 | ret = xmlNodeListGetString(reader->node->doc, cur->children, 1); |
| 1029 | if (ret == NULL) return(xmlStrdup((xmlChar *)"")); |
| 1030 | return(ret); |
| 1031 | } |
| 1032 | |
| 1033 | /** |
| 1034 | * xmlTextReaderGetAttribute: |
| 1035 | * @reader: the xmlTextReaderPtr used |
| 1036 | * @name: the qualified name of the attribute. |
| 1037 | * |
| 1038 | * Provides the value of the attribute with the specified qualified name. |
| 1039 | * |
| 1040 | * Returns a string containing the value of the specified attribute, or NULL |
| 1041 | * in case of error. The string must be deallocated by the caller. |
| 1042 | */ |
| 1043 | xmlChar * |
| 1044 | xmlTextReaderGetAttribute(xmlTextReaderPtr reader, const xmlChar *name) { |
| 1045 | xmlChar *prefix = NULL; |
| 1046 | xmlChar *localname; |
| 1047 | xmlNsPtr ns; |
| 1048 | xmlChar *ret = NULL; |
| 1049 | |
| 1050 | if ((reader == NULL) || (name == NULL)) |
| 1051 | return(NULL); |
| 1052 | if (reader->node == NULL) |
| 1053 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1054 | if (reader->curnode != NULL) |
| 1055 | return(NULL); |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 1056 | |
| 1057 | /* TODO: handle the xmlDecl */ |
| 1058 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1059 | return(NULL); |
| 1060 | |
| 1061 | localname = xmlSplitQName2(name, &prefix); |
| 1062 | if (localname == NULL) |
| 1063 | return(xmlGetProp(reader->node, name)); |
| 1064 | |
| 1065 | ns = xmlSearchNs(reader->node->doc, reader->node, prefix); |
| 1066 | if (ns != NULL) |
| 1067 | ret = xmlGetNsProp(reader->node, localname, ns->href); |
| 1068 | |
| 1069 | if (localname != NULL) |
| 1070 | xmlFree(localname); |
| 1071 | if (prefix != NULL) |
| 1072 | xmlFree(prefix); |
| 1073 | return(ret); |
| 1074 | } |
| 1075 | |
| 1076 | |
| 1077 | /** |
| 1078 | * xmlTextReaderGetAttributeNs: |
| 1079 | * @reader: the xmlTextReaderPtr used |
| 1080 | * @localName: the local name of the attribute. |
| 1081 | * @namespaceURI: the namespace URI of the attribute. |
| 1082 | * |
| 1083 | * Provides the value of the specified attribute |
| 1084 | * |
| 1085 | * Returns a string containing the value of the specified attribute, or NULL |
| 1086 | * in case of error. The string must be deallocated by the caller. |
| 1087 | */ |
| 1088 | xmlChar * |
| 1089 | xmlTextReaderGetAttributeNs(xmlTextReaderPtr reader, const xmlChar *localName, |
| 1090 | const xmlChar *namespaceURI) { |
| 1091 | if ((reader == NULL) || (localName == NULL)) |
| 1092 | return(NULL); |
| 1093 | if (reader->node == NULL) |
| 1094 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1095 | if (reader->curnode != NULL) |
| 1096 | return(NULL); |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 1097 | |
| 1098 | /* TODO: handle the xmlDecl */ |
| 1099 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1100 | return(NULL); |
| 1101 | |
| 1102 | return(xmlGetNsProp(reader->node, localName, namespaceURI)); |
| 1103 | } |
| 1104 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1105 | /** |
| 1106 | * xmlTextReaderGetRemainder: |
| 1107 | * @reader: the xmlTextReaderPtr used |
| 1108 | * |
| 1109 | * Method to get the remainder of the buffered XML. this method stops the |
| 1110 | * parser, set its state to End Of File and return the input stream with |
| 1111 | * what is left that the parser did not use. |
| 1112 | * |
| 1113 | * Returns the xmlParserInputBufferPtr attached to the XML or NULL |
| 1114 | * in case of error. |
| 1115 | */ |
| 1116 | xmlParserInputBufferPtr |
| 1117 | xmlTextReaderGetRemainder(xmlTextReaderPtr reader) { |
| 1118 | xmlParserInputBufferPtr ret = NULL; |
| 1119 | |
| 1120 | if (reader == NULL) |
| 1121 | return(NULL); |
| 1122 | if (reader->node == NULL) |
| 1123 | return(NULL); |
| 1124 | |
| 1125 | reader->node = NULL; |
| 1126 | reader->curnode = NULL; |
| 1127 | reader->mode = XML_TEXTREADER_MODE_EOF; |
| 1128 | if (reader->ctxt != NULL) { |
| 1129 | if (reader->ctxt->myDoc != NULL) { |
| 1130 | xmlFreeDoc(reader->ctxt->myDoc); |
| 1131 | reader->ctxt->myDoc = NULL; |
| 1132 | } |
| 1133 | if (reader->allocs & XML_TEXTREADER_CTXT) { |
| 1134 | xmlFreeParserCtxt(reader->ctxt); |
| 1135 | reader->allocs -= XML_TEXTREADER_CTXT; |
| 1136 | } |
| 1137 | } |
| 1138 | if (reader->sax != NULL) { |
| 1139 | xmlFree(reader->sax); |
| 1140 | reader->sax = NULL; |
| 1141 | } |
| 1142 | if (reader->allocs & XML_TEXTREADER_INPUT) { |
| 1143 | ret = reader->input; |
| 1144 | reader->allocs -= XML_TEXTREADER_INPUT; |
| 1145 | } else { |
| 1146 | /* |
| 1147 | * Hum, one may need to duplicate the data structure because |
| 1148 | * without reference counting the input may be freed twice: |
| 1149 | * - by the layer which allocated it. |
| 1150 | * - by the layer to which would have been returned to. |
| 1151 | */ |
| 1152 | TODO |
| 1153 | return(NULL); |
| 1154 | } |
| 1155 | return(ret); |
| 1156 | } |
| 1157 | |
| 1158 | /** |
| 1159 | * xmlTextReaderLookupNamespace: |
| 1160 | * @reader: the xmlTextReaderPtr used |
| 1161 | * @prefix: the prefix whose namespace URI is to be resolved. To return |
| 1162 | * the default namespace, specify NULL |
| 1163 | * |
| 1164 | * Resolves a namespace prefix in the scope of the current element. |
| 1165 | * |
| 1166 | * Returns a string containing the namespace URI to which the prefix maps |
| 1167 | * or NULL in case of error. The string must be deallocated by the caller. |
| 1168 | */ |
| 1169 | xmlChar * |
| 1170 | xmlTextReaderLookupNamespace(xmlTextReaderPtr reader, const xmlChar *prefix) { |
| 1171 | xmlNsPtr ns; |
| 1172 | |
| 1173 | if (reader == NULL) |
| 1174 | return(NULL); |
| 1175 | if (reader->node == NULL) |
| 1176 | return(NULL); |
| 1177 | |
| 1178 | ns = xmlSearchNs(reader->node->doc, reader->node, prefix); |
| 1179 | if (ns == NULL) |
| 1180 | return(NULL); |
| 1181 | return(xmlStrdup(ns->href)); |
| 1182 | } |
| 1183 | |
| 1184 | /** |
| 1185 | * xmlTextReaderMoveToAttributeNo: |
| 1186 | * @reader: the xmlTextReaderPtr used |
| 1187 | * @no: the zero-based index of the attribute relative to the containing |
| 1188 | * element. |
| 1189 | * |
| 1190 | * Moves the position of the current instance to the attribute with |
| 1191 | * the specified index relative to the containing element. |
| 1192 | * |
| 1193 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 1194 | */ |
| 1195 | int |
| 1196 | xmlTextReaderMoveToAttributeNo(xmlTextReaderPtr reader, int no) { |
| 1197 | int i; |
| 1198 | xmlAttrPtr cur; |
| 1199 | xmlNsPtr ns; |
| 1200 | |
| 1201 | if (reader == NULL) |
| 1202 | return(-1); |
| 1203 | if (reader->node == NULL) |
| 1204 | return(-1); |
| 1205 | /* TODO: handle the xmlDecl */ |
| 1206 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1207 | return(-1); |
| 1208 | |
| 1209 | reader->curnode = NULL; |
| 1210 | |
| 1211 | ns = reader->node->nsDef; |
| 1212 | for (i = 0;(i < no) && (ns != NULL);i++) { |
| 1213 | ns = ns->next; |
| 1214 | } |
| 1215 | if (ns != NULL) { |
| 1216 | reader->curnode = (xmlNodePtr) ns; |
| 1217 | return(1); |
| 1218 | } |
| 1219 | |
| 1220 | cur = reader->node->properties; |
| 1221 | if (cur == NULL) |
| 1222 | return(0); |
| 1223 | for (;i < no;i++) { |
| 1224 | cur = cur->next; |
| 1225 | if (cur == NULL) |
| 1226 | return(0); |
| 1227 | } |
| 1228 | /* TODO walk the DTD if present */ |
| 1229 | |
| 1230 | reader->curnode = (xmlNodePtr) cur; |
| 1231 | return(1); |
| 1232 | } |
| 1233 | |
| 1234 | /** |
| 1235 | * xmlTextReaderMoveToAttribute: |
| 1236 | * @reader: the xmlTextReaderPtr used |
| 1237 | * @name: the qualified name of the attribute. |
| 1238 | * |
| 1239 | * Moves the position of the current instance to the attribute with |
| 1240 | * the specified qualified name. |
| 1241 | * |
| 1242 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 1243 | */ |
| 1244 | int |
| 1245 | xmlTextReaderMoveToAttribute(xmlTextReaderPtr reader, const xmlChar *name) { |
| 1246 | xmlChar *prefix = NULL; |
| 1247 | xmlChar *localname; |
| 1248 | xmlNsPtr ns; |
| 1249 | xmlAttrPtr prop; |
| 1250 | |
| 1251 | if ((reader == NULL) || (name == NULL)) |
| 1252 | return(-1); |
| 1253 | if (reader->node == NULL) |
| 1254 | return(-1); |
| 1255 | |
| 1256 | /* TODO: handle the xmlDecl */ |
| 1257 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1258 | return(0); |
| 1259 | |
| 1260 | localname = xmlSplitQName2(name, &prefix); |
| 1261 | if (localname == NULL) { |
| 1262 | /* |
| 1263 | * Namespace default decl |
| 1264 | */ |
| 1265 | if (xmlStrEqual(name, BAD_CAST "xmlns")) { |
| 1266 | ns = reader->node->nsDef; |
| 1267 | while (ns != NULL) { |
| 1268 | if (ns->prefix == NULL) { |
| 1269 | reader->curnode = (xmlNodePtr) ns; |
| 1270 | return(1); |
| 1271 | } |
| 1272 | ns = ns->next; |
| 1273 | } |
| 1274 | return(0); |
| 1275 | } |
| 1276 | |
| 1277 | prop = reader->node->properties; |
| 1278 | while (prop != NULL) { |
| 1279 | /* |
| 1280 | * One need to have |
| 1281 | * - same attribute names |
| 1282 | * - and the attribute carrying that namespace |
| 1283 | */ |
| 1284 | if ((xmlStrEqual(prop->name, name)) && |
| 1285 | ((prop->ns == NULL) || (prop->ns->prefix == NULL))) { |
| 1286 | reader->curnode = (xmlNodePtr) prop; |
| 1287 | return(1); |
| 1288 | } |
| 1289 | prop = prop->next; |
| 1290 | } |
| 1291 | return(0); |
| 1292 | } |
| 1293 | |
| 1294 | /* |
| 1295 | * Namespace default decl |
| 1296 | */ |
| 1297 | if (xmlStrEqual(prefix, BAD_CAST "xmlns")) { |
| 1298 | ns = reader->node->nsDef; |
| 1299 | while (ns != NULL) { |
| 1300 | if ((ns->prefix != NULL) && (xmlStrEqual(ns->prefix, localname))) { |
| 1301 | reader->curnode = (xmlNodePtr) ns; |
| 1302 | goto found; |
| 1303 | } |
| 1304 | ns = ns->next; |
| 1305 | } |
| 1306 | goto not_found; |
| 1307 | } |
| 1308 | prop = reader->node->properties; |
| 1309 | while (prop != NULL) { |
| 1310 | /* |
| 1311 | * One need to have |
| 1312 | * - same attribute names |
| 1313 | * - and the attribute carrying that namespace |
| 1314 | */ |
| 1315 | if ((xmlStrEqual(prop->name, localname)) && |
| 1316 | (prop->ns != NULL) && (xmlStrEqual(prop->ns->prefix, prefix))) { |
| 1317 | reader->curnode = (xmlNodePtr) prop; |
| 1318 | goto found; |
| 1319 | } |
| 1320 | prop = prop->next; |
| 1321 | } |
| 1322 | not_found: |
| 1323 | if (localname != NULL) |
| 1324 | xmlFree(localname); |
| 1325 | if (prefix != NULL) |
| 1326 | xmlFree(prefix); |
| 1327 | return(0); |
| 1328 | |
| 1329 | found: |
| 1330 | if (localname != NULL) |
| 1331 | xmlFree(localname); |
| 1332 | if (prefix != NULL) |
| 1333 | xmlFree(prefix); |
| 1334 | return(1); |
| 1335 | } |
| 1336 | |
| 1337 | /** |
| 1338 | * xmlTextReaderMoveToAttributeNs: |
| 1339 | * @reader: the xmlTextReaderPtr used |
| 1340 | * @localName: the local name of the attribute. |
| 1341 | * @namespaceURI: the namespace URI of the attribute. |
| 1342 | * |
| 1343 | * Moves the position of the current instance to the attribute with the |
| 1344 | * specified local name and namespace URI. |
| 1345 | * |
| 1346 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 1347 | */ |
| 1348 | int |
| 1349 | xmlTextReaderMoveToAttributeNs(xmlTextReaderPtr reader, |
| 1350 | const xmlChar *localName, const xmlChar *namespaceURI) { |
| 1351 | xmlAttrPtr prop; |
| 1352 | xmlNodePtr node; |
| 1353 | |
| 1354 | if ((reader == NULL) || (localName == NULL) || (namespaceURI == NULL)) |
| 1355 | return(-1); |
| 1356 | if (reader->node == NULL) |
| 1357 | return(-1); |
| 1358 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1359 | return(0); |
| 1360 | node = reader->node; |
| 1361 | |
| 1362 | /* |
| 1363 | * A priori reading http://www.w3.org/TR/REC-xml-names/ there is no |
| 1364 | * namespace name associated to "xmlns" |
| 1365 | */ |
| 1366 | prop = node->properties; |
| 1367 | while (prop != NULL) { |
| 1368 | /* |
| 1369 | * One need to have |
| 1370 | * - same attribute names |
| 1371 | * - and the attribute carrying that namespace |
| 1372 | */ |
| 1373 | if (xmlStrEqual(prop->name, localName) && |
| 1374 | ((prop->ns != NULL) && |
| 1375 | (xmlStrEqual(prop->ns->href, namespaceURI)))) { |
| 1376 | reader->curnode = (xmlNodePtr) prop; |
| 1377 | return(1); |
| 1378 | } |
| 1379 | prop = prop->next; |
| 1380 | } |
| 1381 | return(0); |
| 1382 | } |
| 1383 | |
| 1384 | /** |
| 1385 | * xmlTextReaderMoveToFirstAttribute: |
| 1386 | * @reader: the xmlTextReaderPtr used |
| 1387 | * |
| 1388 | * Moves the position of the current instance to the first attribute |
| 1389 | * associated with the current node. |
| 1390 | * |
| 1391 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 1392 | */ |
| 1393 | int |
| 1394 | xmlTextReaderMoveToFirstAttribute(xmlTextReaderPtr reader) { |
| 1395 | if (reader == NULL) |
| 1396 | return(-1); |
| 1397 | if (reader->node == NULL) |
| 1398 | return(-1); |
| 1399 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1400 | return(0); |
| 1401 | |
| 1402 | if (reader->node->nsDef != NULL) { |
| 1403 | reader->curnode = (xmlNodePtr) reader->node->nsDef; |
| 1404 | return(1); |
| 1405 | } |
| 1406 | if (reader->node->properties != NULL) { |
| 1407 | reader->curnode = (xmlNodePtr) reader->node->properties; |
| 1408 | return(1); |
| 1409 | } |
| 1410 | return(0); |
| 1411 | } |
| 1412 | |
| 1413 | /** |
| 1414 | * xmlTextReaderMoveToNextAttribute: |
| 1415 | * @reader: the xmlTextReaderPtr used |
| 1416 | * |
| 1417 | * Moves the position of the current instance to the next attribute |
| 1418 | * associated with the current node. |
| 1419 | * |
| 1420 | * Returns 1 in case of success, -1 in case of error, 0 if not found |
| 1421 | */ |
| 1422 | int |
| 1423 | xmlTextReaderMoveToNextAttribute(xmlTextReaderPtr reader) { |
| 1424 | if (reader == NULL) |
| 1425 | return(-1); |
| 1426 | if (reader->node == NULL) |
| 1427 | return(-1); |
| 1428 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1429 | return(0); |
| 1430 | if (reader->curnode == NULL) |
| 1431 | return(xmlTextReaderMoveToFirstAttribute(reader)); |
| 1432 | |
| 1433 | if (reader->curnode->type == XML_NAMESPACE_DECL) { |
| 1434 | xmlNsPtr ns = (xmlNsPtr) reader->curnode; |
| 1435 | if (ns->next != NULL) { |
| 1436 | reader->curnode = (xmlNodePtr) ns->next; |
| 1437 | return(1); |
| 1438 | } |
| 1439 | if (reader->node->properties != NULL) { |
| 1440 | reader->curnode = (xmlNodePtr) reader->node->properties; |
| 1441 | return(1); |
| 1442 | } |
| 1443 | return(0); |
| 1444 | } else if ((reader->curnode->type == XML_ATTRIBUTE_NODE) && |
| 1445 | (reader->curnode->next != NULL)) { |
| 1446 | reader->curnode = reader->curnode->next; |
| 1447 | return(1); |
| 1448 | } |
| 1449 | return(0); |
| 1450 | } |
| 1451 | |
| 1452 | /** |
| 1453 | * xmlTextReaderMoveToElement: |
| 1454 | * @reader: the xmlTextReaderPtr used |
| 1455 | * |
| 1456 | * Moves the position of the current instance to the node that |
| 1457 | * contains the current Attribute node. |
| 1458 | * |
| 1459 | * Returns 1 in case of success, -1 in case of error, 0 if not moved |
| 1460 | */ |
| 1461 | int |
| 1462 | xmlTextReaderMoveToElement(xmlTextReaderPtr reader) { |
| 1463 | if (reader == NULL) |
| 1464 | return(-1); |
| 1465 | if (reader->node == NULL) |
| 1466 | return(-1); |
| 1467 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1468 | return(0); |
| 1469 | if (reader->curnode != NULL) { |
| 1470 | reader->curnode = NULL; |
| 1471 | return(1); |
| 1472 | } |
| 1473 | return(0); |
| 1474 | } |
| 1475 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 1476 | /** |
| 1477 | * xmlTextReaderReadAttributeValue: |
| 1478 | * @reader: the xmlTextReaderPtr used |
| 1479 | * |
| 1480 | * Parses an attribute value into one or more Text and EntityReference nodes. |
| 1481 | * |
| 1482 | * Returns 1 in case of success, 0 if the reader was not positionned on an |
| 1483 | * ttribute node or all the attribute values have been read, or -1 |
| 1484 | * in case of error. |
| 1485 | */ |
| 1486 | int |
| 1487 | xmlTextReaderReadAttributeValue(xmlTextReaderPtr reader) { |
| 1488 | if (reader == NULL) |
| 1489 | return(-1); |
| 1490 | if (reader->node == NULL) |
| 1491 | return(-1); |
| 1492 | if (reader->curnode == NULL) |
| 1493 | return(0); |
| 1494 | if (reader->curnode->type == XML_ATTRIBUTE_NODE) { |
| 1495 | if (reader->curnode->children == NULL) |
| 1496 | return(0); |
| 1497 | reader->curnode = reader->curnode->children; |
| 1498 | } else if (reader->curnode->type == XML_NAMESPACE_DECL) { |
| 1499 | xmlNsPtr ns = (xmlNsPtr) reader->curnode; |
| 1500 | |
| 1501 | if (reader->faketext == NULL) { |
| 1502 | reader->faketext = xmlNewDocText(reader->node->doc, |
| 1503 | ns->href); |
| 1504 | } else { |
| 1505 | if (reader->faketext->content != NULL) |
| 1506 | xmlFree(reader->faketext->content); |
| 1507 | reader->faketext->content = xmlStrdup(ns->href); |
| 1508 | } |
| 1509 | reader->curnode = reader->faketext; |
| 1510 | } else { |
| 1511 | if (reader->curnode->next == NULL) |
| 1512 | return(0); |
| 1513 | reader->curnode = reader->curnode->next; |
| 1514 | } |
| 1515 | return(1); |
| 1516 | } |
| 1517 | |
Daniel Veillard | 0eb38c7 | 2002-12-14 23:00:35 +0000 | [diff] [blame] | 1518 | /************************************************************************ |
| 1519 | * * |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1520 | * Acces API to the current node * |
| 1521 | * * |
| 1522 | ************************************************************************/ |
| 1523 | /** |
| 1524 | * xmlTextReaderAttributeCount: |
| 1525 | * @reader: the xmlTextReaderPtr used |
| 1526 | * |
Daniel Veillard | a9b66d0 | 2002-12-11 14:23:49 +0000 | [diff] [blame] | 1527 | * Provides the number of attributes of the current node |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1528 | * |
| 1529 | * Returns 0 i no attributes, -1 in case of error or the attribute count |
| 1530 | */ |
| 1531 | int |
| 1532 | xmlTextReaderAttributeCount(xmlTextReaderPtr reader) { |
| 1533 | int ret; |
| 1534 | xmlAttrPtr attr; |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 1535 | xmlNsPtr ns; |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1536 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1537 | |
| 1538 | if (reader == NULL) |
| 1539 | return(-1); |
| 1540 | if (reader->node == NULL) |
| 1541 | return(0); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1542 | |
| 1543 | if (reader->curnode != NULL) |
| 1544 | node = reader->curnode; |
| 1545 | else |
| 1546 | node = reader->node; |
| 1547 | |
| 1548 | if (node->type != XML_ELEMENT_NODE) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1549 | return(0); |
| 1550 | if ((reader->state == XML_TEXTREADER_END) || |
| 1551 | (reader->state == XML_TEXTREADER_BACKTRACK)) |
| 1552 | return(0); |
| 1553 | ret = 0; |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1554 | attr = node->properties; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1555 | while (attr != NULL) { |
| 1556 | ret++; |
| 1557 | attr = attr->next; |
| 1558 | } |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 1559 | ns = node->nsDef; |
| 1560 | while (ns != NULL) { |
| 1561 | ret++; |
| 1562 | ns = ns->next; |
| 1563 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1564 | return(ret); |
| 1565 | } |
| 1566 | |
| 1567 | /** |
| 1568 | * xmlTextReaderNodeType: |
| 1569 | * @reader: the xmlTextReaderPtr used |
| 1570 | * |
| 1571 | * Get the node type of the current node |
| 1572 | * Reference: |
| 1573 | * http://dotgnu.org/pnetlib-doc/System/Xml/XmlNodeType.html |
| 1574 | * |
| 1575 | * Returns the xmlNodeType of the current node or -1 in case of error |
| 1576 | */ |
| 1577 | int |
| 1578 | xmlTextReaderNodeType(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1579 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1580 | if (reader == NULL) |
| 1581 | return(-1); |
| 1582 | if (reader->node == NULL) |
| 1583 | return(0); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1584 | if (reader->curnode != NULL) |
| 1585 | node = reader->curnode; |
| 1586 | else |
| 1587 | node = reader->node; |
| 1588 | switch (node->type) { |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1589 | case XML_ELEMENT_NODE: |
| 1590 | if ((reader->state == XML_TEXTREADER_END) || |
| 1591 | (reader->state == XML_TEXTREADER_BACKTRACK)) |
| 1592 | return(15); |
| 1593 | return(1); |
Daniel Veillard | ecaba49 | 2002-12-30 10:55:29 +0000 | [diff] [blame] | 1594 | case XML_NAMESPACE_DECL: |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1595 | case XML_ATTRIBUTE_NODE: |
| 1596 | return(2); |
| 1597 | case XML_TEXT_NODE: |
| 1598 | return(3); /* TODO: SignificantWhitespace == 14 Whitespace == 13 */ |
| 1599 | case XML_CDATA_SECTION_NODE: |
| 1600 | return(4); |
| 1601 | case XML_ENTITY_REF_NODE: |
| 1602 | return(5); |
| 1603 | case XML_ENTITY_NODE: |
| 1604 | return(6); |
| 1605 | case XML_PI_NODE: |
| 1606 | return(7); |
| 1607 | case XML_COMMENT_NODE: |
| 1608 | return(8); |
| 1609 | case XML_DOCUMENT_NODE: |
| 1610 | case XML_HTML_DOCUMENT_NODE: |
| 1611 | #ifdef LIBXML_DOCB_ENABLED |
| 1612 | case XML_DOCB_DOCUMENT_NODE: |
| 1613 | #endif |
| 1614 | return(9); |
| 1615 | case XML_DOCUMENT_FRAG_NODE: |
| 1616 | return(11); |
| 1617 | case XML_NOTATION_NODE: |
| 1618 | return(12); |
| 1619 | case XML_DOCUMENT_TYPE_NODE: |
| 1620 | case XML_DTD_NODE: |
| 1621 | return(10); |
| 1622 | |
| 1623 | case XML_ELEMENT_DECL: |
| 1624 | case XML_ATTRIBUTE_DECL: |
| 1625 | case XML_ENTITY_DECL: |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1626 | case XML_XINCLUDE_START: |
| 1627 | case XML_XINCLUDE_END: |
| 1628 | return(0); |
| 1629 | } |
| 1630 | return(-1); |
| 1631 | } |
| 1632 | |
| 1633 | /** |
Daniel Veillard | 01c13b5 | 2002-12-10 15:19:08 +0000 | [diff] [blame] | 1634 | * xmlTextReaderIsEmptyElement: |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1635 | * @reader: the xmlTextReaderPtr used |
| 1636 | * |
| 1637 | * Check if the current node is empty |
| 1638 | * |
| 1639 | * Returns 1 if empty, 0 if not and -1 in case of error |
| 1640 | */ |
| 1641 | int |
| 1642 | xmlTextReaderIsEmptyElement(xmlTextReaderPtr reader) { |
| 1643 | if ((reader == NULL) || (reader->node == NULL)) |
| 1644 | return(-1); |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 1645 | if (reader->node->type != XML_ELEMENT_NODE) |
| 1646 | return(0); |
Daniel Veillard | e3c036e | 2003-01-01 15:11:05 +0000 | [diff] [blame] | 1647 | if (reader->curnode != NULL) |
| 1648 | return(0); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1649 | if (reader->node->children != NULL) |
| 1650 | return(0); |
Daniel Veillard | dab8ea9 | 2003-01-02 14:16:45 +0000 | [diff] [blame] | 1651 | if (reader->state == XML_TEXTREADER_END) |
| 1652 | return(0); |
| 1653 | if (reader->wasempty == -1) |
| 1654 | return(0); |
Daniel Veillard | df512f4 | 2002-12-23 15:56:21 +0000 | [diff] [blame] | 1655 | if (reader->node != reader->ctxt->node) |
| 1656 | return(1); |
| 1657 | if ((reader->ctxt->node != NULL) && |
| 1658 | (reader->node == reader->ctxt->node->last) && |
| 1659 | (reader->wasempty == 1)) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1660 | return(1); |
| 1661 | return(0); |
| 1662 | } |
| 1663 | |
| 1664 | /** |
| 1665 | * xmlTextReaderLocalName: |
| 1666 | * @reader: the xmlTextReaderPtr used |
| 1667 | * |
| 1668 | * The local name of the node. |
| 1669 | * |
| 1670 | * Returns the local name or NULL if not available |
| 1671 | */ |
| 1672 | xmlChar * |
| 1673 | xmlTextReaderLocalName(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1674 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1675 | if ((reader == NULL) || (reader->node == NULL)) |
| 1676 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1677 | if (reader->curnode != NULL) |
| 1678 | node = reader->curnode; |
| 1679 | else |
| 1680 | node = reader->node; |
| 1681 | if (node->type == XML_NAMESPACE_DECL) { |
| 1682 | xmlNsPtr ns = (xmlNsPtr) node; |
| 1683 | if (ns->prefix == NULL) |
| 1684 | return(xmlStrdup(BAD_CAST "xmlns")); |
| 1685 | else |
| 1686 | return(xmlStrdup(ns->prefix)); |
| 1687 | } |
| 1688 | if ((node->type != XML_ELEMENT_NODE) && |
| 1689 | (node->type != XML_ATTRIBUTE_NODE)) |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1690 | return(xmlTextReaderName(reader)); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1691 | return(xmlStrdup(node->name)); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1692 | } |
| 1693 | |
| 1694 | /** |
| 1695 | * xmlTextReaderName: |
| 1696 | * @reader: the xmlTextReaderPtr used |
| 1697 | * |
| 1698 | * The qualified name of the node, equal to Prefix :LocalName. |
| 1699 | * |
| 1700 | * Returns the local name or NULL if not available |
| 1701 | */ |
| 1702 | xmlChar * |
| 1703 | xmlTextReaderName(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1704 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1705 | xmlChar *ret; |
| 1706 | |
| 1707 | if ((reader == NULL) || (reader->node == NULL)) |
| 1708 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1709 | if (reader->curnode != NULL) |
| 1710 | node = reader->curnode; |
| 1711 | else |
| 1712 | node = reader->node; |
| 1713 | switch (node->type) { |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1714 | case XML_ELEMENT_NODE: |
| 1715 | case XML_ATTRIBUTE_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1716 | if ((node->ns == NULL) || |
| 1717 | (node->ns->prefix == NULL)) |
| 1718 | return(xmlStrdup(node->name)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1719 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1720 | ret = xmlStrdup(node->ns->prefix); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1721 | ret = xmlStrcat(ret, BAD_CAST ":"); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1722 | ret = xmlStrcat(ret, node->name); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1723 | return(ret); |
| 1724 | case XML_TEXT_NODE: |
| 1725 | return(xmlStrdup(BAD_CAST "#text")); |
| 1726 | case XML_CDATA_SECTION_NODE: |
| 1727 | return(xmlStrdup(BAD_CAST "#cdata-section")); |
| 1728 | case XML_ENTITY_NODE: |
| 1729 | case XML_ENTITY_REF_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1730 | return(xmlStrdup(node->name)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1731 | case XML_PI_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1732 | return(xmlStrdup(node->name)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1733 | case XML_COMMENT_NODE: |
| 1734 | return(xmlStrdup(BAD_CAST "#comment")); |
| 1735 | case XML_DOCUMENT_NODE: |
| 1736 | case XML_HTML_DOCUMENT_NODE: |
| 1737 | #ifdef LIBXML_DOCB_ENABLED |
| 1738 | case XML_DOCB_DOCUMENT_NODE: |
| 1739 | #endif |
| 1740 | return(xmlStrdup(BAD_CAST "#document")); |
| 1741 | case XML_DOCUMENT_FRAG_NODE: |
| 1742 | return(xmlStrdup(BAD_CAST "#document-fragment")); |
| 1743 | case XML_NOTATION_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1744 | return(xmlStrdup(node->name)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1745 | case XML_DOCUMENT_TYPE_NODE: |
| 1746 | case XML_DTD_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1747 | return(xmlStrdup(node->name)); |
| 1748 | case XML_NAMESPACE_DECL: { |
| 1749 | xmlNsPtr ns = (xmlNsPtr) node; |
| 1750 | |
| 1751 | ret = xmlStrdup(BAD_CAST "xmlns"); |
| 1752 | if (ns->prefix == NULL) |
| 1753 | return(ret); |
| 1754 | ret = xmlStrcat(ret, BAD_CAST ":"); |
| 1755 | ret = xmlStrcat(ret, ns->prefix); |
| 1756 | return(ret); |
| 1757 | } |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1758 | |
| 1759 | case XML_ELEMENT_DECL: |
| 1760 | case XML_ATTRIBUTE_DECL: |
| 1761 | case XML_ENTITY_DECL: |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1762 | case XML_XINCLUDE_START: |
| 1763 | case XML_XINCLUDE_END: |
| 1764 | return(NULL); |
| 1765 | } |
| 1766 | return(NULL); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1767 | } |
| 1768 | |
| 1769 | /** |
| 1770 | * xmlTextReaderPrefix: |
| 1771 | * @reader: the xmlTextReaderPtr used |
| 1772 | * |
| 1773 | * A shorthand reference to the namespace associated with the node. |
| 1774 | * |
| 1775 | * Returns the prefix or NULL if not available |
| 1776 | */ |
| 1777 | xmlChar * |
| 1778 | xmlTextReaderPrefix(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1779 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1780 | if ((reader == NULL) || (reader->node == NULL)) |
| 1781 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1782 | if (reader->curnode != NULL) |
| 1783 | node = reader->curnode; |
| 1784 | else |
| 1785 | node = reader->node; |
| 1786 | if (node->type == XML_NAMESPACE_DECL) { |
| 1787 | xmlNsPtr ns = (xmlNsPtr) node; |
| 1788 | if (ns->prefix == NULL) |
| 1789 | return(NULL); |
| 1790 | return(xmlStrdup(BAD_CAST "xmlns")); |
| 1791 | } |
| 1792 | if ((node->type != XML_ELEMENT_NODE) && |
| 1793 | (node->type != XML_ATTRIBUTE_NODE)) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1794 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1795 | if ((node->ns != NULL) || (node->ns->prefix != NULL)) |
| 1796 | return(xmlStrdup(node->ns->prefix)); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1797 | return(NULL); |
| 1798 | } |
| 1799 | |
| 1800 | /** |
| 1801 | * xmlTextReaderNamespaceUri: |
| 1802 | * @reader: the xmlTextReaderPtr used |
| 1803 | * |
| 1804 | * The URI defining the namespace associated with the node. |
| 1805 | * |
| 1806 | * Returns the namespace URI or NULL if not available |
| 1807 | */ |
| 1808 | xmlChar * |
| 1809 | xmlTextReaderNamespaceUri(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1810 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1811 | if ((reader == NULL) || (reader->node == NULL)) |
| 1812 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1813 | if (reader->curnode != NULL) |
| 1814 | node = reader->curnode; |
| 1815 | else |
| 1816 | node = reader->node; |
Daniel Veillard | ecaba49 | 2002-12-30 10:55:29 +0000 | [diff] [blame] | 1817 | if (node->type == XML_NAMESPACE_DECL) |
| 1818 | return(xmlStrdup(BAD_CAST "http://www.w3.org/2000/xmlns/")); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1819 | if ((node->type != XML_ELEMENT_NODE) && |
| 1820 | (node->type != XML_ATTRIBUTE_NODE)) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1821 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1822 | if (node->ns != NULL) |
| 1823 | return(xmlStrdup(node->ns->href)); |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1824 | return(NULL); |
| 1825 | } |
| 1826 | |
| 1827 | /** |
| 1828 | * xmlTextReaderBaseUri: |
| 1829 | * @reader: the xmlTextReaderPtr used |
| 1830 | * |
| 1831 | * The base URI of the node. |
| 1832 | * |
| 1833 | * Returns the base URI or NULL if not available |
| 1834 | */ |
| 1835 | xmlChar * |
| 1836 | xmlTextReaderBaseUri(xmlTextReaderPtr reader) { |
| 1837 | if ((reader == NULL) || (reader->node == NULL)) |
| 1838 | return(NULL); |
| 1839 | return(xmlNodeGetBase(NULL, reader->node)); |
| 1840 | } |
| 1841 | |
| 1842 | /** |
| 1843 | * xmlTextReaderDepth: |
| 1844 | * @reader: the xmlTextReaderPtr used |
| 1845 | * |
| 1846 | * The depth of the node in the tree. |
| 1847 | * |
| 1848 | * Returns the depth or -1 in case of error |
| 1849 | */ |
| 1850 | int |
| 1851 | xmlTextReaderDepth(xmlTextReaderPtr reader) { |
| 1852 | if (reader == NULL) |
| 1853 | return(-1); |
| 1854 | if (reader->node == NULL) |
| 1855 | return(0); |
| 1856 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 1857 | if (reader->curnode != NULL) { |
| 1858 | if ((reader->curnode->type == XML_ATTRIBUTE_NODE) || |
| 1859 | (reader->curnode->type == XML_NAMESPACE_DECL)) |
| 1860 | return(reader->depth + 1); |
| 1861 | return(reader->depth + 2); |
| 1862 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1863 | return(reader->depth); |
| 1864 | } |
| 1865 | |
| 1866 | /** |
| 1867 | * xmlTextReaderHasAttributes: |
| 1868 | * @reader: the xmlTextReaderPtr used |
| 1869 | * |
| 1870 | * Whether the node has attributes. |
| 1871 | * |
| 1872 | * Returns 1 if true, 0 if false, and -1 in case or error |
| 1873 | */ |
| 1874 | int |
| 1875 | xmlTextReaderHasAttributes(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1876 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1877 | if (reader == NULL) |
| 1878 | return(-1); |
| 1879 | if (reader->node == NULL) |
| 1880 | return(0); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1881 | if (reader->curnode != NULL) |
| 1882 | node = reader->curnode; |
| 1883 | else |
| 1884 | node = reader->node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1885 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1886 | if ((node->type == XML_ELEMENT_NODE) && |
| 1887 | (node->properties != NULL)) |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1888 | return(1); |
| 1889 | /* TODO: handle the xmlDecl */ |
| 1890 | return(0); |
| 1891 | } |
| 1892 | |
| 1893 | /** |
| 1894 | * xmlTextReaderHasValue: |
| 1895 | * @reader: the xmlTextReaderPtr used |
| 1896 | * |
| 1897 | * Whether the node can have a text value. |
| 1898 | * |
| 1899 | * Returns 1 if true, 0 if false, and -1 in case or error |
| 1900 | */ |
| 1901 | int |
| 1902 | xmlTextReaderHasValue(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1903 | xmlNodePtr node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1904 | if (reader == NULL) |
| 1905 | return(-1); |
| 1906 | if (reader->node == NULL) |
| 1907 | return(0); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1908 | if (reader->curnode != NULL) |
| 1909 | node = reader->curnode; |
| 1910 | else |
| 1911 | node = reader->node; |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1912 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1913 | switch (node->type) { |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1914 | case XML_ATTRIBUTE_NODE: |
| 1915 | case XML_TEXT_NODE: |
| 1916 | case XML_CDATA_SECTION_NODE: |
| 1917 | case XML_PI_NODE: |
| 1918 | case XML_COMMENT_NODE: |
| 1919 | return(1); |
| 1920 | default: |
| 1921 | return(0); |
| 1922 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1923 | return(0); |
| 1924 | } |
| 1925 | |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1926 | /** |
| 1927 | * xmlTextReaderValue: |
| 1928 | * @reader: the xmlTextReaderPtr used |
| 1929 | * |
| 1930 | * Provides the text value of the node if present |
| 1931 | * |
| 1932 | * Returns the string or NULL if not available. The retsult must be deallocated |
| 1933 | * with xmlFree() |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 1934 | */ |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1935 | xmlChar * |
| 1936 | xmlTextReaderValue(xmlTextReaderPtr reader) { |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1937 | xmlNodePtr node; |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1938 | if (reader == NULL) |
| 1939 | return(NULL); |
| 1940 | if (reader->node == NULL) |
| 1941 | return(NULL); |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1942 | if (reader->curnode != NULL) |
| 1943 | node = reader->curnode; |
| 1944 | else |
| 1945 | node = reader->node; |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1946 | |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1947 | switch (node->type) { |
| 1948 | case XML_NAMESPACE_DECL: |
| 1949 | return(xmlStrdup(((xmlNsPtr) node)->href)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1950 | case XML_ATTRIBUTE_NODE:{ |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1951 | xmlAttrPtr attr = (xmlAttrPtr) node; |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1952 | |
| 1953 | if (attr->parent != NULL) |
| 1954 | return (xmlNodeListGetString |
| 1955 | (attr->parent->doc, attr->children, 1)); |
| 1956 | else |
| 1957 | return (xmlNodeListGetString(NULL, attr->children, 1)); |
| 1958 | break; |
| 1959 | } |
| 1960 | case XML_TEXT_NODE: |
| 1961 | case XML_CDATA_SECTION_NODE: |
| 1962 | case XML_PI_NODE: |
| 1963 | case XML_COMMENT_NODE: |
Daniel Veillard | da46d2d | 2002-12-15 23:36:49 +0000 | [diff] [blame] | 1964 | if (node->content != NULL) |
| 1965 | return (xmlStrdup(node->content)); |
Daniel Veillard | 9b4bb4d | 2002-12-11 19:28:47 +0000 | [diff] [blame] | 1966 | default: |
| 1967 | return(NULL); |
| 1968 | } |
| 1969 | return(NULL); |
| 1970 | } |
| 1971 | |
| 1972 | /** |
| 1973 | * xmlTextReaderIsDefault: |
| 1974 | * @reader: the xmlTextReaderPtr used |
| 1975 | * |
| 1976 | * Whether an Attribute node was generated from the default value |
| 1977 | * defined in the DTD or schema. |
| 1978 | * |
| 1979 | * Returns 0 if not defaulted, 1 if defaulted, and -1 in case of error |
| 1980 | */ |
| 1981 | int |
| 1982 | xmlTextReaderIsDefault(xmlTextReaderPtr reader) { |
| 1983 | if (reader == NULL) |
| 1984 | return(-1); |
| 1985 | return(0); |
| 1986 | } |
| 1987 | |
| 1988 | /** |
| 1989 | * xmlTextReaderQuoteChar: |
| 1990 | * @reader: the xmlTextReaderPtr used |
| 1991 | * |
| 1992 | * The quotation mark character used to enclose the value of an attribute. |
| 1993 | * |
| 1994 | * Returns " or ' and -1 in case of error |
| 1995 | */ |
| 1996 | int |
| 1997 | xmlTextReaderQuoteChar(xmlTextReaderPtr reader) { |
| 1998 | if (reader == NULL) |
| 1999 | return(-1); |
| 2000 | /* TODO maybe lookup the attribute value for " first */ |
| 2001 | return((int) '"'); |
| 2002 | } |
Daniel Veillard | e1ca503 | 2002-12-09 14:13:43 +0000 | [diff] [blame] | 2003 | |
| 2004 | /** |
| 2005 | * xmlTextReaderXmlLang: |
| 2006 | * @reader: the xmlTextReaderPtr used |
| 2007 | * |
| 2008 | * The xml:lang scope within which the node resides. |
| 2009 | * |
| 2010 | * Returns the xml:lang value or NULL if none exists. |
| 2011 | */ |
| 2012 | xmlChar * |
| 2013 | xmlTextReaderXmlLang(xmlTextReaderPtr reader) { |
| 2014 | if (reader == NULL) |
| 2015 | return(NULL); |
| 2016 | if (reader->node == NULL) |
| 2017 | return(NULL); |
| 2018 | return(xmlNodeGetLang(reader->node)); |
| 2019 | } |
| 2020 | |
Daniel Veillard | 67df809 | 2002-12-16 22:04:11 +0000 | [diff] [blame] | 2021 | /** |
| 2022 | * xmlTextReaderNormalization: |
| 2023 | * @reader: the xmlTextReaderPtr used |
| 2024 | * |
| 2025 | * The value indicating whether to normalize white space and attribute values. |
| 2026 | * Since attribute value and end of line normalizations are a MUST in the XML |
| 2027 | * specification only the value true is accepted. The broken bahaviour of |
| 2028 | * accepting out of range character entities like � is of course not |
| 2029 | * supported either. |
| 2030 | * |
| 2031 | * Returns 1 or -1 in case of error. |
| 2032 | */ |
| 2033 | int |
| 2034 | xmlTextReaderNormalization(xmlTextReaderPtr reader) { |
| 2035 | if (reader == NULL) |
| 2036 | return(-1); |
| 2037 | return(1); |
| 2038 | } |
| 2039 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 2040 | /************************************************************************ |
| 2041 | * * |
| 2042 | * Extensions to the base APIs * |
| 2043 | * * |
| 2044 | ************************************************************************/ |
| 2045 | |
| 2046 | /** |
| 2047 | * xmlTextReaderSetParserProp: |
| 2048 | * @reader: the xmlTextReaderPtr used |
| 2049 | * @prop: the xmlParserProperties to set |
| 2050 | * @value: usually 0 or 1 to (de)activate it |
| 2051 | * |
| 2052 | * Change the parser processing behaviour by changing some of its internal |
| 2053 | * properties. Note that some properties can only be changed before any |
| 2054 | * read has been done. |
| 2055 | * |
| 2056 | * Returns 0 if the call was successful, or -1 in case of error |
| 2057 | */ |
| 2058 | int |
| 2059 | xmlTextReaderSetParserProp(xmlTextReaderPtr reader, int prop, int value) { |
| 2060 | xmlParserProperties p = (xmlParserProperties) prop; |
| 2061 | xmlParserCtxtPtr ctxt; |
| 2062 | |
| 2063 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 2064 | return(-1); |
| 2065 | ctxt = reader->ctxt; |
| 2066 | |
| 2067 | switch (p) { |
| 2068 | case XML_PARSER_LOADDTD: |
| 2069 | if (value != 0) { |
| 2070 | if (ctxt->loadsubset == 0) { |
| 2071 | if (reader->mode != XML_TEXTREADER_MODE_INITIAL) |
| 2072 | return(-1); |
| 2073 | ctxt->loadsubset = XML_DETECT_IDS; |
| 2074 | } |
| 2075 | } else { |
| 2076 | ctxt->loadsubset = 0; |
| 2077 | } |
| 2078 | return(0); |
| 2079 | case XML_PARSER_DEFAULTATTRS: |
| 2080 | if (value != 0) { |
| 2081 | ctxt->loadsubset |= XML_COMPLETE_ATTRS; |
| 2082 | } else { |
| 2083 | if (ctxt->loadsubset & XML_COMPLETE_ATTRS) |
| 2084 | ctxt->loadsubset -= XML_COMPLETE_ATTRS; |
| 2085 | } |
| 2086 | return(0); |
| 2087 | case XML_PARSER_VALIDATE: |
| 2088 | if (value != 0) { |
| 2089 | ctxt->validate = 1; |
| 2090 | } else { |
| 2091 | ctxt->validate = 0; |
| 2092 | } |
| 2093 | return(0); |
Daniel Veillard | e18fc18 | 2002-12-28 22:56:33 +0000 | [diff] [blame] | 2094 | case XML_PARSER_SUBST_ENTITIES: |
| 2095 | if (value != 0) { |
| 2096 | ctxt->replaceEntities = 1; |
| 2097 | } else { |
| 2098 | ctxt->replaceEntities = 0; |
| 2099 | } |
| 2100 | return(0); |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 2101 | } |
| 2102 | return(-1); |
| 2103 | } |
| 2104 | |
| 2105 | /** |
| 2106 | * xmlTextReaderGetParserProp: |
| 2107 | * @reader: the xmlTextReaderPtr used |
| 2108 | * @prop: the xmlParserProperties to get |
| 2109 | * |
| 2110 | * Read the parser internal property. |
| 2111 | * |
| 2112 | * Returns the value, usually 0 or 1, or -1 in case of error. |
| 2113 | */ |
| 2114 | int |
| 2115 | xmlTextReaderGetParserProp(xmlTextReaderPtr reader, int prop) { |
| 2116 | xmlParserProperties p = (xmlParserProperties) prop; |
| 2117 | xmlParserCtxtPtr ctxt; |
| 2118 | |
| 2119 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 2120 | return(-1); |
| 2121 | ctxt = reader->ctxt; |
| 2122 | |
| 2123 | switch (p) { |
| 2124 | case XML_PARSER_LOADDTD: |
| 2125 | if ((ctxt->loadsubset != 0) || (ctxt->validate != 0)) |
| 2126 | return(1); |
| 2127 | return(0); |
| 2128 | case XML_PARSER_DEFAULTATTRS: |
| 2129 | if (ctxt->loadsubset & XML_COMPLETE_ATTRS) |
| 2130 | return(1); |
| 2131 | return(0); |
| 2132 | case XML_PARSER_VALIDATE: |
| 2133 | return(ctxt->validate); |
Daniel Veillard | e18fc18 | 2002-12-28 22:56:33 +0000 | [diff] [blame] | 2134 | case XML_PARSER_SUBST_ENTITIES: |
| 2135 | return(ctxt->replaceEntities); |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 2136 | } |
| 2137 | return(-1); |
| 2138 | } |
| 2139 | |
Daniel Veillard | e18fc18 | 2002-12-28 22:56:33 +0000 | [diff] [blame] | 2140 | /** |
| 2141 | * xmlTextReaderCurrentNode: |
| 2142 | * @reader: the xmlTextReaderPtr used |
| 2143 | * |
| 2144 | * Hacking interface allowing to get the xmlNodePtr correponding to the |
| 2145 | * current node being accessed by the xmlTextReader. This is dangerous |
| 2146 | * because the underlying node may be destroyed on the next Reads. |
| 2147 | * |
| 2148 | * Returns the xmlNodePtr or NULL in case of error. |
| 2149 | */ |
| 2150 | xmlNodePtr |
| 2151 | xmlTextReaderCurrentNode(xmlTextReaderPtr reader) { |
| 2152 | if (reader == NULL) |
| 2153 | return(NULL); |
| 2154 | |
| 2155 | if (reader->curnode != NULL) |
| 2156 | return(reader->curnode); |
| 2157 | return(reader->node); |
| 2158 | } |
| 2159 | |
| 2160 | /** |
| 2161 | * xmlTextReaderCurrentDoc: |
| 2162 | * @reader: the xmlTextReaderPtr used |
| 2163 | * |
| 2164 | * Hacking interface allowing to get the xmlDocPtr correponding to the |
| 2165 | * current document being accessed by the xmlTextReader. This is dangerous |
| 2166 | * because the associated node may be destroyed on the next Reads. |
| 2167 | * |
| 2168 | * Returns the xmlDocPtr or NULL in case of error. |
| 2169 | */ |
| 2170 | xmlDocPtr |
| 2171 | xmlTextReaderCurrentDoc(xmlTextReaderPtr reader) { |
| 2172 | if ((reader == NULL) || (reader->ctxt == NULL)) |
| 2173 | return(NULL); |
| 2174 | |
| 2175 | return(reader->ctxt->myDoc); |
| 2176 | } |
| 2177 | |
Daniel Veillard | beb70bd | 2002-12-18 14:53:54 +0000 | [diff] [blame] | 2178 | /************************************************************************ |
| 2179 | * * |
| 2180 | * Utilities * |
| 2181 | * * |
| 2182 | ************************************************************************/ |
| 2183 | /** |
| 2184 | * xmlBase64Decode: |
| 2185 | * @in: the input buffer |
| 2186 | * @inlen: the size of the input (in), the size read from it (out) |
| 2187 | * @to: the output buffer |
| 2188 | * @tolen: the size of the output (in), the size written to (out) |
| 2189 | * |
| 2190 | * Base64 decoder, reads from @in and save in @to |
| 2191 | * |
| 2192 | * Returns 0 if all the input was consumer, 1 if the Base64 end was reached, |
| 2193 | * 2 if there wasn't enough space on the output or -1 in case of error. |
| 2194 | */ |
| 2195 | static int |
| 2196 | xmlBase64Decode(const unsigned char *in, unsigned long *inlen, |
| 2197 | unsigned char *to, unsigned long *tolen) { |
| 2198 | unsigned long incur; /* current index in in[] */ |
| 2199 | unsigned long inblk; /* last block index in in[] */ |
| 2200 | unsigned long outcur; /* current index in out[] */ |
| 2201 | unsigned long inmax; /* size of in[] */ |
| 2202 | unsigned long outmax; /* size of out[] */ |
| 2203 | unsigned char cur; /* the current value read from in[] */ |
| 2204 | unsigned char intmp[3], outtmp[4]; /* temporary buffers for the convert */ |
| 2205 | int nbintmp; /* number of byte in intmp[] */ |
| 2206 | int is_ignore; /* cur should be ignored */ |
| 2207 | int is_end = 0; /* the end of the base64 was found */ |
| 2208 | int retval = 1; |
| 2209 | int i; |
| 2210 | |
| 2211 | if ((in == NULL) || (inlen == NULL) || (to == NULL) || (tolen == NULL)) |
| 2212 | return(-1); |
| 2213 | |
| 2214 | incur = 0; |
| 2215 | inblk = 0; |
| 2216 | outcur = 0; |
| 2217 | inmax = *inlen; |
| 2218 | outmax = *tolen; |
| 2219 | nbintmp = 0; |
| 2220 | |
| 2221 | while (1) { |
| 2222 | if (incur >= inmax) |
| 2223 | break; |
| 2224 | cur = in[incur++]; |
| 2225 | is_ignore = 0; |
| 2226 | if ((cur >= 'A') && (cur <= 'Z')) |
| 2227 | cur = cur - 'A'; |
| 2228 | else if ((cur >= 'a') && (cur <= 'z')) |
| 2229 | cur = cur - 'a' + 26; |
| 2230 | else if ((cur >= '0') && (cur <= '9')) |
| 2231 | cur = cur - '0' + 52; |
| 2232 | else if (cur == '+') |
| 2233 | cur = 62; |
| 2234 | else if (cur == '/') |
| 2235 | cur = 63; |
| 2236 | else if (cur == '.') |
| 2237 | cur = 0; |
| 2238 | else if (cur == '=') /*no op , end of the base64 stream */ |
| 2239 | is_end = 1; |
| 2240 | else { |
| 2241 | is_ignore = 1; |
| 2242 | if (nbintmp == 0) |
| 2243 | inblk = incur; |
| 2244 | } |
| 2245 | |
| 2246 | if (!is_ignore) { |
| 2247 | int nbouttmp = 3; |
| 2248 | int is_break = 0; |
| 2249 | |
| 2250 | if (is_end) { |
| 2251 | if (nbintmp == 0) |
| 2252 | break; |
| 2253 | if ((nbintmp == 1) || (nbintmp == 2)) |
| 2254 | nbouttmp = 1; |
| 2255 | else |
| 2256 | nbouttmp = 2; |
| 2257 | nbintmp = 3; |
| 2258 | is_break = 1; |
| 2259 | } |
| 2260 | intmp[nbintmp++] = cur; |
| 2261 | /* |
| 2262 | * if intmp is full, push the 4byte sequence as a 3 byte |
| 2263 | * sequence out |
| 2264 | */ |
| 2265 | if (nbintmp == 4) { |
| 2266 | nbintmp = 0; |
| 2267 | outtmp[0] = (intmp[0] << 2) | ((intmp[1] & 0x30) >> 4); |
| 2268 | outtmp[1] = |
| 2269 | ((intmp[1] & 0x0F) << 4) | ((intmp[2] & 0x3C) >> 2); |
| 2270 | outtmp[2] = ((intmp[2] & 0x03) << 6) | (intmp[3] & 0x3F); |
| 2271 | if (outcur + 3 >= outmax) { |
| 2272 | retval = 2; |
| 2273 | break; |
| 2274 | } |
| 2275 | |
| 2276 | for (i = 0; i < nbouttmp; i++) |
| 2277 | to[outcur++] = outtmp[i]; |
| 2278 | inblk = incur; |
| 2279 | } |
| 2280 | |
| 2281 | if (is_break) { |
| 2282 | retval = 0; |
| 2283 | break; |
| 2284 | } |
| 2285 | } |
| 2286 | } |
| 2287 | |
| 2288 | *tolen = outcur; |
| 2289 | *inlen = inblk; |
| 2290 | return (retval); |
| 2291 | } |
| 2292 | |
| 2293 | /* |
| 2294 | * Test routine for the xmlBase64Decode function |
| 2295 | */ |
| 2296 | #if 0 |
| 2297 | int main(int argc, char **argv) { |
| 2298 | char *input = " VW4 gcGV0 \n aXQgdGVzdCAuCg== "; |
| 2299 | char output[100]; |
| 2300 | char output2[100]; |
| 2301 | char output3[100]; |
| 2302 | unsigned long inlen = strlen(input); |
| 2303 | unsigned long outlen = 100; |
| 2304 | int ret; |
| 2305 | unsigned long cons, tmp, tmp2, prod; |
| 2306 | |
| 2307 | /* |
| 2308 | * Direct |
| 2309 | */ |
| 2310 | ret = xmlBase64Decode(input, &inlen, output, &outlen); |
| 2311 | |
| 2312 | output[outlen] = 0; |
| 2313 | printf("ret: %d, inlen: %ld , outlen: %ld, output: '%s'\n", ret, inlen, outlen, output); |
| 2314 | |
| 2315 | /* |
| 2316 | * output chunking |
| 2317 | */ |
| 2318 | cons = 0; |
| 2319 | prod = 0; |
| 2320 | while (cons < inlen) { |
| 2321 | tmp = 5; |
| 2322 | tmp2 = inlen - cons; |
| 2323 | |
| 2324 | printf("%ld %ld\n", cons, prod); |
| 2325 | ret = xmlBase64Decode(&input[cons], &tmp2, &output2[prod], &tmp); |
| 2326 | cons += tmp2; |
| 2327 | prod += tmp; |
| 2328 | printf("%ld %ld\n", cons, prod); |
| 2329 | } |
| 2330 | output2[outlen] = 0; |
| 2331 | printf("ret: %d, cons: %ld , prod: %ld, output: '%s'\n", ret, cons, prod, output2); |
| 2332 | |
| 2333 | /* |
| 2334 | * input chunking |
| 2335 | */ |
| 2336 | cons = 0; |
| 2337 | prod = 0; |
| 2338 | while (cons < inlen) { |
| 2339 | tmp = 100 - prod; |
| 2340 | tmp2 = inlen - cons; |
| 2341 | if (tmp2 > 5) |
| 2342 | tmp2 = 5; |
| 2343 | |
| 2344 | printf("%ld %ld\n", cons, prod); |
| 2345 | ret = xmlBase64Decode(&input[cons], &tmp2, &output3[prod], &tmp); |
| 2346 | cons += tmp2; |
| 2347 | prod += tmp; |
| 2348 | printf("%ld %ld\n", cons, prod); |
| 2349 | } |
| 2350 | output3[outlen] = 0; |
| 2351 | printf("ret: %d, cons: %ld , prod: %ld, output: '%s'\n", ret, cons, prod, output3); |
| 2352 | return(0); |
| 2353 | |
| 2354 | } |
| 2355 | #endif |