The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2002,2003, Stefan Haustein, Oberhausen, Rhld., Germany |
| 2 | * |
| 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 4 | * of this software and associated documentation files (the "Software"), to deal |
| 5 | * in the Software without restriction, including without limitation the rights |
| 6 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 7 | * sell copies of the Software, and to permit persons to whom the Software is |
| 8 | * furnished to do so, subject to the following conditions: |
| 9 | * |
| 10 | * The above copyright notice and this permission notice shall be included in |
| 11 | * all copies or substantial portions of the Software. |
| 12 | * |
| 13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 14 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 15 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 16 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 17 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 18 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 19 | * IN THE SOFTWARE. */ |
| 20 | |
| 21 | // Contributors: Paul Hackenberger (unterminated entity handling in relaxed mode) |
| 22 | |
| 23 | package org.kxml2.io; |
| 24 | |
| 25 | import java.io.*; |
| 26 | import java.util.*; |
| 27 | |
| 28 | import org.xmlpull.v1.*; |
| 29 | |
| 30 | /** A simple, pull based XML parser. This classe replaces the kXML 1 |
| 31 | XmlParser class and the corresponding event classes. */ |
| 32 | |
| 33 | public class KXmlParser implements XmlPullParser { |
| 34 | |
| 35 | private Object location; |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 36 | static final private String UNEXPECTED_EOF = "Unexpected EOF"; |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 37 | static final private String ILLEGAL_TYPE = "Wrong event type"; |
| 38 | static final private int LEGACY = 999; |
| 39 | static final private int XML_DECL = 998; |
| 40 | |
| 41 | // general |
| 42 | |
| 43 | private String version; |
| 44 | private Boolean standalone; |
| 45 | |
| 46 | private boolean processNsp; |
| 47 | private boolean relaxed; |
| 48 | private Hashtable entityMap; |
| 49 | private int depth; |
| 50 | private String[] elementStack = new String[16]; |
| 51 | private String[] nspStack = new String[8]; |
| 52 | private int[] nspCounts = new int[4]; |
| 53 | |
| 54 | // source |
| 55 | |
| 56 | private Reader reader; |
| 57 | private String encoding; |
| 58 | private char[] srcBuf; |
| 59 | |
| 60 | private int srcPos; |
| 61 | private int srcCount; |
| 62 | |
| 63 | private int line; |
| 64 | private int column; |
| 65 | |
| 66 | // txtbuffer |
| 67 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 68 | /** Target buffer for storing incoming text (including aggregated resolved entities) */ |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 69 | private char[] txtBuf = new char[128]; |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 70 | /** Write position */ |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 71 | private int txtPos; |
| 72 | |
| 73 | // Event-related |
| 74 | |
| 75 | private int type; |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 76 | private boolean isWhitespace; |
| 77 | private String namespace; |
| 78 | private String prefix; |
| 79 | private String name; |
| 80 | |
| 81 | private boolean degenerated; |
| 82 | private int attributeCount; |
| 83 | private String[] attributes = new String[16]; |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 84 | // private int stackMismatch = 0; |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 85 | private String error; |
| 86 | |
| 87 | /** |
| 88 | * A separate peek buffer seems simpler than managing |
| 89 | * wrap around in the first level read buffer */ |
| 90 | |
| 91 | private int[] peek = new int[2]; |
| 92 | private int peekCount; |
| 93 | private boolean wasCR; |
| 94 | |
| 95 | private boolean unresolved; |
| 96 | private boolean token; |
| 97 | |
| 98 | public KXmlParser() { |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 99 | srcBuf = |
| 100 | new char[Runtime.getRuntime().freeMemory() >= 1048576 ? 8192 : 128]; |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | private final boolean isProp(String n1, boolean prop, String n2) { |
| 104 | if (!n1.startsWith("http://xmlpull.org/v1/doc/")) |
| 105 | return false; |
| 106 | if (prop) |
| 107 | return n1.substring(42).equals(n2); |
| 108 | else |
| 109 | return n1.substring(40).equals(n2); |
| 110 | } |
| 111 | |
| 112 | private final boolean adjustNsp() throws XmlPullParserException { |
| 113 | |
| 114 | boolean any = false; |
| 115 | |
| 116 | for (int i = 0; i < attributeCount << 2; i += 4) { |
| 117 | // * 4 - 4; i >= 0; i -= 4) { |
| 118 | |
| 119 | String attrName = attributes[i + 2]; |
| 120 | int cut = attrName.indexOf(':'); |
| 121 | String prefix; |
| 122 | |
| 123 | if (cut != -1) { |
| 124 | prefix = attrName.substring(0, cut); |
| 125 | attrName = attrName.substring(cut + 1); |
| 126 | } |
| 127 | else if (attrName.equals("xmlns")) { |
| 128 | prefix = attrName; |
| 129 | attrName = null; |
| 130 | } |
| 131 | else |
| 132 | continue; |
| 133 | |
| 134 | if (!prefix.equals("xmlns")) { |
| 135 | any = true; |
| 136 | } |
| 137 | else { |
| 138 | int j = (nspCounts[depth]++) << 1; |
| 139 | |
| 140 | nspStack = ensureCapacity(nspStack, j + 2); |
| 141 | nspStack[j] = attrName; |
| 142 | nspStack[j + 1] = attributes[i + 3]; |
| 143 | |
| 144 | if (attrName != null && attributes[i + 3].equals("")) |
| 145 | error("illegal empty namespace"); |
| 146 | |
| 147 | // prefixMap = new PrefixMap (prefixMap, attrName, attr.getValue ()); |
| 148 | |
| 149 | //System.out.println (prefixMap); |
| 150 | |
| 151 | System.arraycopy( |
| 152 | attributes, |
| 153 | i + 4, |
| 154 | attributes, |
| 155 | i, |
| 156 | ((--attributeCount) << 2) - i); |
| 157 | |
| 158 | i -= 4; |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | if (any) { |
| 163 | for (int i = (attributeCount << 2) - 4; i >= 0; i -= 4) { |
| 164 | |
| 165 | String attrName = attributes[i + 2]; |
| 166 | int cut = attrName.indexOf(':'); |
| 167 | |
| 168 | if (cut == 0 && !relaxed) |
| 169 | throw new RuntimeException( |
| 170 | "illegal attribute name: " + attrName + " at " + this); |
| 171 | |
| 172 | else if (cut != -1) { |
| 173 | String attrPrefix = attrName.substring(0, cut); |
| 174 | |
| 175 | attrName = attrName.substring(cut + 1); |
| 176 | |
| 177 | String attrNs = getNamespace(attrPrefix); |
| 178 | |
| 179 | if (attrNs == null && !relaxed) |
| 180 | throw new RuntimeException( |
| 181 | "Undefined Prefix: " + attrPrefix + " in " + this); |
| 182 | |
| 183 | attributes[i] = attrNs; |
| 184 | attributes[i + 1] = attrPrefix; |
| 185 | attributes[i + 2] = attrName; |
| 186 | |
| 187 | /* |
| 188 | if (!relaxed) { |
| 189 | for (int j = (attributeCount << 2) - 4; j > i; j -= 4) |
| 190 | if (attrName.equals(attributes[j + 2]) |
| 191 | && attrNs.equals(attributes[j])) |
| 192 | exception( |
| 193 | "Duplicate Attribute: {" |
| 194 | + attrNs |
| 195 | + "}" |
| 196 | + attrName); |
| 197 | } |
| 198 | */ |
| 199 | } |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | int cut = name.indexOf(':'); |
| 204 | |
| 205 | if (cut == 0) |
| 206 | error("illegal tag name: " + name); |
| 207 | |
| 208 | if (cut != -1) { |
| 209 | prefix = name.substring(0, cut); |
| 210 | name = name.substring(cut + 1); |
| 211 | } |
| 212 | |
| 213 | this.namespace = getNamespace(prefix); |
| 214 | |
| 215 | if (this.namespace == null) { |
| 216 | if (prefix != null) |
| 217 | error("undefined prefix: " + prefix); |
| 218 | this.namespace = NO_NAMESPACE; |
| 219 | } |
| 220 | |
| 221 | return any; |
| 222 | } |
| 223 | |
| 224 | private final String[] ensureCapacity(String[] arr, int required) { |
| 225 | if (arr.length >= required) |
| 226 | return arr; |
| 227 | String[] bigger = new String[required + 16]; |
| 228 | System.arraycopy(arr, 0, bigger, 0, arr.length); |
| 229 | return bigger; |
| 230 | } |
| 231 | |
| 232 | private final void error(String desc) throws XmlPullParserException { |
| 233 | if (relaxed) { |
| 234 | if (error == null) |
| 235 | error = "ERR: " + desc; |
| 236 | } |
| 237 | else |
| 238 | exception(desc); |
| 239 | } |
| 240 | |
| 241 | private final void exception(String desc) throws XmlPullParserException { |
| 242 | throw new XmlPullParserException( |
| 243 | desc.length() < 100 ? desc : desc.substring(0, 100) + "\n", |
| 244 | this, |
| 245 | null); |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * common base for next and nextToken. Clears the state, except from |
| 250 | * txtPos and whitespace. Does not set the type variable */ |
| 251 | |
| 252 | private final void nextImpl() throws IOException, XmlPullParserException { |
| 253 | |
| 254 | if (reader == null) |
| 255 | exception("No Input specified"); |
| 256 | |
| 257 | if (type == END_TAG) |
| 258 | depth--; |
| 259 | |
| 260 | while (true) { |
| 261 | attributeCount = -1; |
| 262 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 263 | // degenerated needs to be handled before error because of possible |
| 264 | // processor expectations(!) |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 265 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 266 | if (degenerated) { |
| 267 | degenerated = false; |
| 268 | type = END_TAG; |
| 269 | return; |
| 270 | } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 271 | |
| 272 | |
| 273 | if (error != null) { |
| 274 | for (int i = 0; i < error.length(); i++) |
| 275 | push(error.charAt(i)); |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 276 | // text = error; |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 277 | error = null; |
| 278 | type = COMMENT; |
| 279 | return; |
| 280 | } |
| 281 | |
| 282 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 283 | // if (relaxed |
| 284 | // && (stackMismatch > 0 || (peek(0) == -1 && depth > 0))) { |
| 285 | // int sp = (depth - 1) << 2; |
| 286 | // type = END_TAG; |
| 287 | // namespace = elementStack[sp]; |
| 288 | // prefix = elementStack[sp + 1]; |
| 289 | // name = elementStack[sp + 2]; |
| 290 | // if (stackMismatch != 1) |
| 291 | // error = "missing end tag /" + name + " inserted"; |
| 292 | // if (stackMismatch > 0) |
| 293 | // stackMismatch--; |
| 294 | // return; |
| 295 | // } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 296 | |
| 297 | prefix = null; |
| 298 | name = null; |
| 299 | namespace = null; |
| 300 | // text = null; |
| 301 | |
| 302 | type = peekType(); |
| 303 | |
| 304 | switch (type) { |
| 305 | |
| 306 | case ENTITY_REF : |
| 307 | pushEntity(); |
| 308 | return; |
| 309 | |
| 310 | case START_TAG : |
| 311 | parseStartTag(false); |
| 312 | return; |
| 313 | |
| 314 | case END_TAG : |
| 315 | parseEndTag(); |
| 316 | return; |
| 317 | |
| 318 | case END_DOCUMENT : |
| 319 | return; |
| 320 | |
| 321 | case TEXT : |
Elliott Hughes | 6bcf32a | 2009-11-16 21:23:11 -0800 | [diff] [blame] | 322 | // BEGIN android-changed: distinguish attribute values from normal text. |
| 323 | pushText('<', !token, false); |
| 324 | // END android-changed |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 325 | if (depth == 0) { |
| 326 | if (isWhitespace) |
| 327 | type = IGNORABLE_WHITESPACE; |
| 328 | // make exception switchable for instances.chg... !!!! |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 329 | // else |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 330 | // exception ("text '"+getText ()+"' not allowed outside root element"); |
| 331 | } |
| 332 | return; |
| 333 | |
| 334 | default : |
| 335 | type = parseLegacy(token); |
| 336 | if (type != XML_DECL) |
| 337 | return; |
| 338 | } |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | private final int parseLegacy(boolean push) |
| 343 | throws IOException, XmlPullParserException { |
| 344 | |
| 345 | String req = ""; |
| 346 | int term; |
| 347 | int result; |
| 348 | int prev = 0; |
| 349 | |
| 350 | read(); // < |
| 351 | int c = read(); |
| 352 | |
| 353 | if (c == '?') { |
| 354 | if ((peek(0) == 'x' || peek(0) == 'X') |
| 355 | && (peek(1) == 'm' || peek(1) == 'M')) { |
| 356 | |
| 357 | if (push) { |
| 358 | push(peek(0)); |
| 359 | push(peek(1)); |
| 360 | } |
| 361 | read(); |
| 362 | read(); |
| 363 | |
| 364 | if ((peek(0) == 'l' || peek(0) == 'L') && peek(1) <= ' ') { |
| 365 | |
| 366 | if (line != 1 || column > 4) |
| 367 | error("PI must not start with xml"); |
| 368 | |
| 369 | parseStartTag(true); |
| 370 | |
| 371 | if (attributeCount < 1 || !"version".equals(attributes[2])) |
| 372 | error("version expected"); |
| 373 | |
| 374 | version = attributes[3]; |
| 375 | |
| 376 | int pos = 1; |
| 377 | |
| 378 | if (pos < attributeCount |
| 379 | && "encoding".equals(attributes[2 + 4])) { |
| 380 | encoding = attributes[3 + 4]; |
| 381 | pos++; |
| 382 | } |
| 383 | |
| 384 | if (pos < attributeCount |
| 385 | && "standalone".equals(attributes[4 * pos + 2])) { |
| 386 | String st = attributes[3 + 4 * pos]; |
| 387 | if ("yes".equals(st)) |
| 388 | standalone = new Boolean(true); |
| 389 | else if ("no".equals(st)) |
| 390 | standalone = new Boolean(false); |
| 391 | else |
| 392 | error("illegal standalone value: " + st); |
| 393 | pos++; |
| 394 | } |
| 395 | |
| 396 | if (pos != attributeCount) |
| 397 | error("illegal xmldecl"); |
| 398 | |
| 399 | isWhitespace = true; |
| 400 | txtPos = 0; |
| 401 | |
| 402 | return XML_DECL; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | /* int c0 = read (); |
| 407 | int c1 = read (); |
| 408 | int */ |
| 409 | |
| 410 | term = '?'; |
| 411 | result = PROCESSING_INSTRUCTION; |
| 412 | } |
| 413 | else if (c == '!') { |
| 414 | if (peek(0) == '-') { |
| 415 | result = COMMENT; |
| 416 | req = "--"; |
| 417 | term = '-'; |
| 418 | } |
| 419 | else if (peek(0) == '[') { |
| 420 | result = CDSECT; |
| 421 | req = "[CDATA["; |
| 422 | term = ']'; |
| 423 | push = true; |
| 424 | } |
| 425 | else { |
| 426 | result = DOCDECL; |
| 427 | req = "DOCTYPE"; |
| 428 | term = -1; |
| 429 | } |
| 430 | } |
| 431 | else { |
| 432 | error("illegal: <" + c); |
| 433 | return COMMENT; |
| 434 | } |
| 435 | |
| 436 | for (int i = 0; i < req.length(); i++) |
| 437 | read(req.charAt(i)); |
| 438 | |
| 439 | if (result == DOCDECL) |
| 440 | parseDoctype(push); |
| 441 | else { |
| 442 | while (true) { |
| 443 | c = read(); |
| 444 | if (c == -1){ |
| 445 | error(UNEXPECTED_EOF); |
| 446 | return COMMENT; |
| 447 | } |
| 448 | |
| 449 | if (push) |
| 450 | push(c); |
| 451 | |
| 452 | if ((term == '?' || c == term) |
| 453 | && peek(0) == term |
| 454 | && peek(1) == '>') |
| 455 | break; |
| 456 | |
| 457 | prev = c; |
| 458 | } |
| 459 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 460 | if (term == '-' && prev == '-' && !relaxed) |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 461 | error("illegal comment delimiter: --->"); |
| 462 | |
| 463 | read(); |
| 464 | read(); |
| 465 | |
| 466 | if (push && term != '?') |
| 467 | txtPos--; |
| 468 | |
| 469 | } |
| 470 | return result; |
| 471 | } |
| 472 | |
| 473 | /** precondition: <! consumed */ |
| 474 | |
| 475 | private final void parseDoctype(boolean push) |
| 476 | throws IOException, XmlPullParserException { |
| 477 | |
| 478 | int nesting = 1; |
| 479 | boolean quoted = false; |
| 480 | |
| 481 | // read(); |
| 482 | |
| 483 | while (true) { |
| 484 | int i = read(); |
| 485 | switch (i) { |
| 486 | |
| 487 | case -1 : |
| 488 | error(UNEXPECTED_EOF); |
| 489 | return; |
| 490 | |
| 491 | case '\'' : |
| 492 | quoted = !quoted; |
| 493 | break; |
| 494 | |
| 495 | case '<' : |
| 496 | if (!quoted) |
| 497 | nesting++; |
| 498 | break; |
| 499 | |
| 500 | case '>' : |
| 501 | if (!quoted) { |
| 502 | if ((--nesting) == 0) |
| 503 | return; |
| 504 | } |
| 505 | break; |
| 506 | } |
| 507 | if (push) |
| 508 | push(i); |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | /* precondition: </ consumed */ |
| 513 | |
| 514 | private final void parseEndTag() |
| 515 | throws IOException, XmlPullParserException { |
| 516 | |
| 517 | read(); // '<' |
| 518 | read(); // '/' |
| 519 | name = readName(); |
| 520 | skip(); |
| 521 | read('>'); |
| 522 | |
| 523 | int sp = (depth - 1) << 2; |
| 524 | |
| 525 | if (depth == 0) { |
| 526 | error("element stack empty"); |
| 527 | type = COMMENT; |
| 528 | return; |
| 529 | } |
| 530 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 531 | if (!relaxed) { |
| 532 | if (!name.equals(elementStack[sp + 3])) { |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 533 | error("expected: /" + elementStack[sp + 3] + " read: " + name); |
| 534 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 535 | // become case insensitive in relaxed mode |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 536 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 537 | // int probe = sp; |
| 538 | // while (probe >= 0 && !name.toLowerCase().equals(elementStack[probe + 3].toLowerCase())) { |
| 539 | // stackMismatch++; |
| 540 | // probe -= 4; |
| 541 | // } |
| 542 | // |
| 543 | // if (probe < 0) { |
| 544 | // stackMismatch = 0; |
| 545 | // // text = "unexpected end tag ignored"; |
| 546 | // type = COMMENT; |
| 547 | // return; |
| 548 | // } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 549 | } |
| 550 | |
| 551 | namespace = elementStack[sp]; |
| 552 | prefix = elementStack[sp + 1]; |
| 553 | name = elementStack[sp + 2]; |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 554 | } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | private final int peekType() throws IOException { |
| 558 | switch (peek(0)) { |
| 559 | case -1 : |
| 560 | return END_DOCUMENT; |
| 561 | case '&' : |
| 562 | return ENTITY_REF; |
| 563 | case '<' : |
| 564 | switch (peek(1)) { |
| 565 | case '/' : |
| 566 | return END_TAG; |
| 567 | case '?' : |
| 568 | case '!' : |
| 569 | return LEGACY; |
| 570 | default : |
| 571 | return START_TAG; |
| 572 | } |
| 573 | default : |
| 574 | return TEXT; |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | private final String get(int pos) { |
| 579 | return new String(txtBuf, pos, txtPos - pos); |
| 580 | } |
| 581 | |
| 582 | /* |
| 583 | private final String pop (int pos) { |
| 584 | String result = new String (txtBuf, pos, txtPos - pos); |
| 585 | txtPos = pos; |
| 586 | return result; |
| 587 | } |
| 588 | */ |
| 589 | |
| 590 | private final void push(int c) { |
| 591 | |
| 592 | isWhitespace &= c <= ' '; |
| 593 | |
| 594 | if (txtPos == txtBuf.length) { |
| 595 | char[] bigger = new char[txtPos * 4 / 3 + 4]; |
| 596 | System.arraycopy(txtBuf, 0, bigger, 0, txtPos); |
| 597 | txtBuf = bigger; |
| 598 | } |
| 599 | |
| 600 | txtBuf[txtPos++] = (char) c; |
| 601 | } |
| 602 | |
| 603 | /** Sets name and attributes */ |
| 604 | |
| 605 | private final void parseStartTag(boolean xmldecl) |
| 606 | throws IOException, XmlPullParserException { |
| 607 | |
| 608 | if (!xmldecl) |
| 609 | read(); |
| 610 | name = readName(); |
| 611 | attributeCount = 0; |
| 612 | |
| 613 | while (true) { |
| 614 | skip(); |
| 615 | |
| 616 | int c = peek(0); |
| 617 | |
| 618 | if (xmldecl) { |
| 619 | if (c == '?') { |
| 620 | read(); |
| 621 | read('>'); |
| 622 | return; |
| 623 | } |
| 624 | } |
| 625 | else { |
| 626 | if (c == '/') { |
| 627 | degenerated = true; |
| 628 | read(); |
| 629 | skip(); |
| 630 | read('>'); |
| 631 | break; |
| 632 | } |
| 633 | |
| 634 | if (c == '>' && !xmldecl) { |
| 635 | read(); |
| 636 | break; |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | if (c == -1) { |
| 641 | error(UNEXPECTED_EOF); |
| 642 | //type = COMMENT; |
| 643 | return; |
| 644 | } |
| 645 | |
| 646 | String attrName = readName(); |
| 647 | |
| 648 | if (attrName.length() == 0) { |
| 649 | error("attr name expected"); |
| 650 | //type = COMMENT; |
| 651 | break; |
| 652 | } |
| 653 | |
| 654 | int i = (attributeCount++) << 2; |
| 655 | |
| 656 | attributes = ensureCapacity(attributes, i + 4); |
| 657 | |
| 658 | attributes[i++] = ""; |
| 659 | attributes[i++] = null; |
| 660 | attributes[i++] = attrName; |
| 661 | |
| 662 | skip(); |
| 663 | |
| 664 | if (peek(0) != '=') { |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 665 | if(!relaxed){ |
| 666 | error("Attr.value missing f. "+attrName); |
| 667 | } |
| 668 | attributes[i] = attrName; |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 669 | } |
| 670 | else { |
| 671 | read('='); |
| 672 | skip(); |
| 673 | int delimiter = peek(0); |
| 674 | |
| 675 | if (delimiter != '\'' && delimiter != '"') { |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 676 | if(!relaxed){ |
| 677 | error("attr value delimiter missing!"); |
| 678 | } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 679 | delimiter = ' '; |
| 680 | } |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 681 | else |
| 682 | read(); |
| 683 | |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 684 | int p = txtPos; |
Elliott Hughes | 6bcf32a | 2009-11-16 21:23:11 -0800 | [diff] [blame] | 685 | // BEGIN android-changed: distinguish attribute values from normal text. |
| 686 | pushText(delimiter, true, true); |
| 687 | // END android-changed |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 688 | |
| 689 | attributes[i] = get(p); |
| 690 | txtPos = p; |
| 691 | |
| 692 | if (delimiter != ' ') |
| 693 | read(); // skip endquote |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | int sp = depth++ << 2; |
| 698 | |
| 699 | elementStack = ensureCapacity(elementStack, sp + 4); |
| 700 | elementStack[sp + 3] = name; |
| 701 | |
| 702 | if (depth >= nspCounts.length) { |
| 703 | int[] bigger = new int[depth + 4]; |
| 704 | System.arraycopy(nspCounts, 0, bigger, 0, nspCounts.length); |
| 705 | nspCounts = bigger; |
| 706 | } |
| 707 | |
| 708 | nspCounts[depth] = nspCounts[depth - 1]; |
| 709 | |
| 710 | /* |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 711 | if(!relaxed){ |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 712 | for (int i = attributeCount - 1; i > 0; i--) { |
| 713 | for (int j = 0; j < i; j++) { |
| 714 | if (getAttributeName(i).equals(getAttributeName(j))) |
| 715 | exception("Duplicate Attribute: " + getAttributeName(i)); |
| 716 | } |
| 717 | } |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 718 | } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 719 | */ |
| 720 | if (processNsp) |
| 721 | adjustNsp(); |
| 722 | else |
| 723 | namespace = ""; |
| 724 | |
| 725 | elementStack[sp] = namespace; |
| 726 | elementStack[sp + 1] = prefix; |
| 727 | elementStack[sp + 2] = name; |
| 728 | } |
| 729 | |
| 730 | /** |
| 731 | * result: isWhitespace; if the setName parameter is set, |
| 732 | * the name of the entity is stored in "name" */ |
| 733 | |
| 734 | private final void pushEntity() |
| 735 | throws IOException, XmlPullParserException { |
| 736 | |
| 737 | push(read()); // & |
| 738 | |
| 739 | |
| 740 | int pos = txtPos; |
| 741 | |
| 742 | while (true) { |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 743 | int c = peek(0); |
| 744 | if (c == ';') { |
| 745 | read(); |
| 746 | break; |
| 747 | } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 748 | if (c < 128 |
| 749 | && (c < '0' || c > '9') |
| 750 | && (c < 'a' || c > 'z') |
| 751 | && (c < 'A' || c > 'Z') |
| 752 | && c != '_' |
| 753 | && c != '-' |
| 754 | && c != '#') { |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 755 | if(!relaxed){ |
| 756 | error("unterminated entity ref"); |
| 757 | } |
| 758 | |
| 759 | // BEGIN android-removed: avoid log spam. |
| 760 | // System.out.println("broken entitiy: "+get(pos-1)); |
| 761 | // END android-removed |
| 762 | |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 763 | //; ends with:"+(char)c); |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 764 | // if (c != -1) |
| 765 | // push(c); |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 766 | return; |
| 767 | } |
| 768 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 769 | push(read()); |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 770 | } |
| 771 | |
| 772 | String code = get(pos); |
| 773 | txtPos = pos - 1; |
| 774 | if (token && type == ENTITY_REF){ |
| 775 | name = code; |
| 776 | } |
| 777 | |
| 778 | if (code.charAt(0) == '#') { |
| 779 | int c = |
| 780 | (code.charAt(1) == 'x' |
| 781 | ? Integer.parseInt(code.substring(2), 16) |
| 782 | : Integer.parseInt(code.substring(1))); |
| 783 | push(c); |
| 784 | return; |
| 785 | } |
| 786 | |
| 787 | String result = (String) entityMap.get(code); |
| 788 | |
| 789 | unresolved = result == null; |
| 790 | |
| 791 | if (unresolved) { |
| 792 | if (!token) |
| 793 | error("unresolved: &" + code + ";"); |
| 794 | } |
| 795 | else { |
| 796 | for (int i = 0; i < result.length(); i++) |
| 797 | push(result.charAt(i)); |
| 798 | } |
| 799 | } |
| 800 | |
| 801 | /** types: |
| 802 | '<': parse to any token (for nextToken ()) |
| 803 | '"': parse to quote |
| 804 | ' ': parse to whitespace or '>' |
| 805 | */ |
| 806 | |
Elliott Hughes | 6bcf32a | 2009-11-16 21:23:11 -0800 | [diff] [blame] | 807 | private final void pushText(int delimiter, boolean resolveEntities, boolean inAttributeValue) |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 808 | throws IOException, XmlPullParserException { |
| 809 | |
| 810 | int next = peek(0); |
| 811 | int cbrCount = 0; |
| 812 | |
| 813 | while (next != -1 && next != delimiter) { // covers eof, '<', '"' |
| 814 | |
| 815 | if (delimiter == ' ') |
| 816 | if (next <= ' ' || next == '>') |
| 817 | break; |
| 818 | |
Elliott Hughes | 6bcf32a | 2009-11-16 21:23:11 -0800 | [diff] [blame] | 819 | // BEGIN android-changed: "<" is not allowed in attribute values. |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 820 | if (next == '&') { |
| 821 | if (!resolveEntities) |
| 822 | break; |
| 823 | |
| 824 | pushEntity(); |
| 825 | } |
Elliott Hughes | 6bcf32a | 2009-11-16 21:23:11 -0800 | [diff] [blame] | 826 | else if (next == '<' && inAttributeValue) { |
| 827 | error("Illegal: \"<\" inside attribute value"); |
| 828 | } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 829 | else if (next == '\n' && type == START_TAG) { |
| 830 | read(); |
| 831 | push(' '); |
| 832 | } |
| 833 | else |
| 834 | push(read()); |
Elliott Hughes | 6bcf32a | 2009-11-16 21:23:11 -0800 | [diff] [blame] | 835 | // END android-changed |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 836 | |
Elliott Hughes | 6bcf32a | 2009-11-16 21:23:11 -0800 | [diff] [blame] | 837 | // BEGIN android-changed: "]]>" *is* allowed in attribute values, but |
| 838 | // is not allowed in regular text between markup. |
| 839 | final boolean allowCloseCdata = inAttributeValue; |
| 840 | if (!allowCloseCdata && (next == '>' && cbrCount >= 2 && delimiter != ']')) { |
| 841 | error("Illegal: \"]]>\" outside CDATA section"); |
| 842 | } |
| 843 | // END android-changed |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 844 | |
| 845 | if (next == ']') |
| 846 | cbrCount++; |
| 847 | else |
| 848 | cbrCount = 0; |
| 849 | |
| 850 | next = peek(0); |
| 851 | } |
| 852 | } |
| 853 | |
| 854 | private final void read(char c) |
| 855 | throws IOException, XmlPullParserException { |
| 856 | int a = read(); |
| 857 | if (a != c) |
| 858 | error("expected: '" + c + "' actual: '" + ((char) a) + "'"); |
| 859 | } |
| 860 | |
| 861 | private final int read() throws IOException { |
| 862 | int result; |
| 863 | |
| 864 | if (peekCount == 0) |
| 865 | result = peek(0); |
| 866 | else { |
| 867 | result = peek[0]; |
| 868 | peek[0] = peek[1]; |
| 869 | } |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 870 | // else { |
| 871 | // result = peek[0]; |
| 872 | // System.arraycopy (peek, 1, peek, 0, peekCount-1); |
| 873 | // } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 874 | peekCount--; |
| 875 | |
| 876 | column++; |
| 877 | |
| 878 | if (result == '\n') { |
| 879 | |
| 880 | line++; |
| 881 | column = 1; |
| 882 | } |
| 883 | |
| 884 | return result; |
| 885 | } |
| 886 | |
| 887 | /** Does never read more than needed */ |
| 888 | |
| 889 | private final int peek(int pos) throws IOException { |
| 890 | |
| 891 | while (pos >= peekCount) { |
| 892 | |
| 893 | int nw; |
| 894 | |
| 895 | if (srcBuf.length <= 1) |
| 896 | nw = reader.read(); |
| 897 | else if (srcPos < srcCount) |
| 898 | nw = srcBuf[srcPos++]; |
| 899 | else { |
| 900 | srcCount = reader.read(srcBuf, 0, srcBuf.length); |
| 901 | if (srcCount <= 0) |
| 902 | nw = -1; |
| 903 | else |
| 904 | nw = srcBuf[0]; |
| 905 | |
| 906 | srcPos = 1; |
| 907 | } |
| 908 | |
| 909 | if (nw == '\r') { |
| 910 | wasCR = true; |
| 911 | peek[peekCount++] = '\n'; |
| 912 | } |
| 913 | else { |
| 914 | if (nw == '\n') { |
| 915 | if (!wasCR) |
| 916 | peek[peekCount++] = '\n'; |
| 917 | } |
| 918 | else |
| 919 | peek[peekCount++] = nw; |
| 920 | |
| 921 | wasCR = false; |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | return peek[pos]; |
| 926 | } |
| 927 | |
| 928 | private final String readName() |
| 929 | throws IOException, XmlPullParserException { |
| 930 | |
| 931 | int pos = txtPos; |
| 932 | int c = peek(0); |
| 933 | if ((c < 'a' || c > 'z') |
| 934 | && (c < 'A' || c > 'Z') |
| 935 | && c != '_' |
| 936 | && c != ':' |
| 937 | && c < 0x0c0 |
| 938 | && !relaxed) |
| 939 | error("name expected"); |
| 940 | |
| 941 | do { |
| 942 | push(read()); |
| 943 | c = peek(0); |
| 944 | } |
| 945 | while ((c >= 'a' && c <= 'z') |
| 946 | || (c >= 'A' && c <= 'Z') |
| 947 | || (c >= '0' && c <= '9') |
| 948 | || c == '_' |
| 949 | || c == '-' |
| 950 | || c == ':' |
| 951 | || c == '.' |
| 952 | || c >= 0x0b7); |
| 953 | |
| 954 | String result = get(pos); |
| 955 | txtPos = pos; |
| 956 | return result; |
| 957 | } |
| 958 | |
| 959 | private final void skip() throws IOException { |
| 960 | |
| 961 | while (true) { |
| 962 | int c = peek(0); |
| 963 | if (c > ' ' || c == -1) |
| 964 | break; |
| 965 | read(); |
| 966 | } |
| 967 | } |
| 968 | |
| 969 | // public part starts here... |
| 970 | |
| 971 | public void setInput(Reader reader) throws XmlPullParserException { |
| 972 | this.reader = reader; |
| 973 | |
| 974 | line = 1; |
| 975 | column = 0; |
| 976 | type = START_DOCUMENT; |
| 977 | name = null; |
| 978 | namespace = null; |
| 979 | degenerated = false; |
| 980 | attributeCount = -1; |
| 981 | encoding = null; |
| 982 | version = null; |
| 983 | standalone = null; |
| 984 | |
| 985 | if (reader == null) |
| 986 | return; |
| 987 | |
| 988 | srcPos = 0; |
| 989 | srcCount = 0; |
| 990 | peekCount = 0; |
| 991 | depth = 0; |
| 992 | |
| 993 | entityMap = new Hashtable(); |
| 994 | entityMap.put("amp", "&"); |
| 995 | entityMap.put("apos", "'"); |
| 996 | entityMap.put("gt", ">"); |
| 997 | entityMap.put("lt", "<"); |
| 998 | entityMap.put("quot", "\""); |
| 999 | } |
| 1000 | |
| 1001 | public void setInput(InputStream is, String _enc) |
| 1002 | throws XmlPullParserException { |
| 1003 | |
| 1004 | srcPos = 0; |
| 1005 | srcCount = 0; |
| 1006 | String enc = _enc; |
| 1007 | |
| 1008 | if (is == null) |
| 1009 | throw new IllegalArgumentException(); |
| 1010 | |
| 1011 | try { |
| 1012 | |
| 1013 | if (enc == null) { |
| 1014 | // read four bytes |
| 1015 | |
| 1016 | int chk = 0; |
| 1017 | |
| 1018 | while (srcCount < 4) { |
| 1019 | int i = is.read(); |
| 1020 | if (i == -1) |
| 1021 | break; |
| 1022 | chk = (chk << 8) | i; |
| 1023 | srcBuf[srcCount++] = (char) i; |
| 1024 | } |
| 1025 | |
| 1026 | if (srcCount == 4) { |
| 1027 | switch (chk) { |
| 1028 | case 0x00000FEFF : |
| 1029 | enc = "UTF-32BE"; |
| 1030 | srcCount = 0; |
| 1031 | break; |
| 1032 | |
| 1033 | case 0x0FFFE0000 : |
| 1034 | enc = "UTF-32LE"; |
| 1035 | srcCount = 0; |
| 1036 | break; |
| 1037 | |
| 1038 | case 0x03c : |
| 1039 | enc = "UTF-32BE"; |
| 1040 | srcBuf[0] = '<'; |
| 1041 | srcCount = 1; |
| 1042 | break; |
| 1043 | |
| 1044 | case 0x03c000000 : |
| 1045 | enc = "UTF-32LE"; |
| 1046 | srcBuf[0] = '<'; |
| 1047 | srcCount = 1; |
| 1048 | break; |
| 1049 | |
| 1050 | case 0x0003c003f : |
| 1051 | enc = "UTF-16BE"; |
| 1052 | srcBuf[0] = '<'; |
| 1053 | srcBuf[1] = '?'; |
| 1054 | srcCount = 2; |
| 1055 | break; |
| 1056 | |
| 1057 | case 0x03c003f00 : |
| 1058 | enc = "UTF-16LE"; |
| 1059 | srcBuf[0] = '<'; |
| 1060 | srcBuf[1] = '?'; |
| 1061 | srcCount = 2; |
| 1062 | break; |
| 1063 | |
| 1064 | case 0x03c3f786d : |
| 1065 | while (true) { |
| 1066 | int i = is.read(); |
| 1067 | if (i == -1) |
| 1068 | break; |
| 1069 | srcBuf[srcCount++] = (char) i; |
| 1070 | if (i == '>') { |
| 1071 | String s = new String(srcBuf, 0, srcCount); |
| 1072 | int i0 = s.indexOf("encoding"); |
| 1073 | if (i0 != -1) { |
| 1074 | while (s.charAt(i0) != '"' |
| 1075 | && s.charAt(i0) != '\'') |
| 1076 | i0++; |
| 1077 | char deli = s.charAt(i0++); |
| 1078 | int i1 = s.indexOf(deli, i0); |
| 1079 | enc = s.substring(i0, i1); |
| 1080 | } |
| 1081 | break; |
| 1082 | } |
| 1083 | } |
| 1084 | |
| 1085 | default : |
| 1086 | if ((chk & 0x0ffff0000) == 0x0FEFF0000) { |
| 1087 | enc = "UTF-16BE"; |
| 1088 | srcBuf[0] = |
| 1089 | (char) ((srcBuf[2] << 8) | srcBuf[3]); |
| 1090 | srcCount = 1; |
| 1091 | } |
| 1092 | else if ((chk & 0x0ffff0000) == 0x0fffe0000) { |
| 1093 | enc = "UTF-16LE"; |
| 1094 | srcBuf[0] = |
| 1095 | (char) ((srcBuf[3] << 8) | srcBuf[2]); |
| 1096 | srcCount = 1; |
| 1097 | } |
| 1098 | else if ((chk & 0x0ffffff00) == 0x0EFBBBF00) { |
| 1099 | enc = "UTF-8"; |
| 1100 | srcBuf[0] = srcBuf[3]; |
| 1101 | srcCount = 1; |
| 1102 | } |
| 1103 | } |
| 1104 | } |
| 1105 | } |
| 1106 | |
| 1107 | if (enc == null) |
| 1108 | enc = "UTF-8"; |
| 1109 | |
| 1110 | int sc = srcCount; |
| 1111 | setInput(new InputStreamReader(is, enc)); |
| 1112 | encoding = _enc; |
| 1113 | srcCount = sc; |
| 1114 | } |
| 1115 | catch (Exception e) { |
| 1116 | throw new XmlPullParserException( |
| 1117 | "Invalid stream or encoding: " + e.toString(), |
| 1118 | this, |
| 1119 | e); |
| 1120 | } |
| 1121 | } |
| 1122 | |
| 1123 | public boolean getFeature(String feature) { |
| 1124 | if (XmlPullParser.FEATURE_PROCESS_NAMESPACES.equals(feature)) |
| 1125 | return processNsp; |
| 1126 | else if (isProp(feature, false, "relaxed")) |
| 1127 | return relaxed; |
| 1128 | else |
| 1129 | return false; |
| 1130 | } |
| 1131 | |
| 1132 | public String getInputEncoding() { |
| 1133 | return encoding; |
| 1134 | } |
| 1135 | |
| 1136 | public void defineEntityReplacementText(String entity, String value) |
| 1137 | throws XmlPullParserException { |
| 1138 | if (entityMap == null) |
| 1139 | throw new RuntimeException("entity replacement text must be defined after setInput!"); |
| 1140 | entityMap.put(entity, value); |
| 1141 | } |
| 1142 | |
| 1143 | public Object getProperty(String property) { |
| 1144 | if (isProp(property, true, "xmldecl-version")) |
| 1145 | return version; |
| 1146 | if (isProp(property, true, "xmldecl-standalone")) |
| 1147 | return standalone; |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 1148 | if (isProp(property, true, "location")) |
| 1149 | return location != null ? location : reader.toString(); |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 1150 | return null; |
| 1151 | } |
| 1152 | |
| 1153 | public int getNamespaceCount(int depth) { |
| 1154 | if (depth > this.depth) |
| 1155 | throw new IndexOutOfBoundsException(); |
| 1156 | return nspCounts[depth]; |
| 1157 | } |
| 1158 | |
| 1159 | public String getNamespacePrefix(int pos) { |
| 1160 | return nspStack[pos << 1]; |
| 1161 | } |
| 1162 | |
| 1163 | public String getNamespaceUri(int pos) { |
| 1164 | return nspStack[(pos << 1) + 1]; |
| 1165 | } |
| 1166 | |
| 1167 | public String getNamespace(String prefix) { |
| 1168 | |
| 1169 | if ("xml".equals(prefix)) |
| 1170 | return "http://www.w3.org/XML/1998/namespace"; |
| 1171 | if ("xmlns".equals(prefix)) |
| 1172 | return "http://www.w3.org/2000/xmlns/"; |
| 1173 | |
| 1174 | for (int i = (getNamespaceCount(depth) << 1) - 2; i >= 0; i -= 2) { |
| 1175 | if (prefix == null) { |
| 1176 | if (nspStack[i] == null) |
| 1177 | return nspStack[i + 1]; |
| 1178 | } |
| 1179 | else if (prefix.equals(nspStack[i])) |
| 1180 | return nspStack[i + 1]; |
| 1181 | } |
| 1182 | return null; |
| 1183 | } |
| 1184 | |
| 1185 | public int getDepth() { |
| 1186 | return depth; |
| 1187 | } |
| 1188 | |
| 1189 | public String getPositionDescription() { |
| 1190 | |
| 1191 | StringBuffer buf = |
| 1192 | new StringBuffer(type < TYPES.length ? TYPES[type] : "unknown"); |
| 1193 | buf.append(' '); |
| 1194 | |
| 1195 | if (type == START_TAG || type == END_TAG) { |
| 1196 | if (degenerated) |
| 1197 | buf.append("(empty) "); |
| 1198 | buf.append('<'); |
| 1199 | if (type == END_TAG) |
| 1200 | buf.append('/'); |
| 1201 | |
| 1202 | if (prefix != null) |
| 1203 | buf.append("{" + namespace + "}" + prefix + ":"); |
| 1204 | buf.append(name); |
| 1205 | |
| 1206 | int cnt = attributeCount << 2; |
| 1207 | for (int i = 0; i < cnt; i += 4) { |
| 1208 | buf.append(' '); |
| 1209 | if (attributes[i + 1] != null) |
| 1210 | buf.append( |
| 1211 | "{" + attributes[i] + "}" + attributes[i + 1] + ":"); |
| 1212 | buf.append(attributes[i + 2] + "='" + attributes[i + 3] + "'"); |
| 1213 | } |
| 1214 | |
| 1215 | buf.append('>'); |
| 1216 | } |
| 1217 | else if (type == IGNORABLE_WHITESPACE); |
| 1218 | else if (type != TEXT) |
| 1219 | buf.append(getText()); |
| 1220 | else if (isWhitespace) |
| 1221 | buf.append("(whitespace)"); |
| 1222 | else { |
| 1223 | String text = getText(); |
| 1224 | if (text.length() > 16) |
| 1225 | text = text.substring(0, 16) + "..."; |
| 1226 | buf.append(text); |
| 1227 | } |
| 1228 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 1229 | buf.append("@"+line + ":" + column); |
| 1230 | if(location != null){ |
| 1231 | buf.append(" in "); |
| 1232 | buf.append(location); |
| 1233 | } |
| 1234 | else if(reader != null){ |
| 1235 | buf.append(" in "); |
| 1236 | buf.append(reader.toString()); |
| 1237 | } |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 1238 | return buf.toString(); |
| 1239 | } |
| 1240 | |
| 1241 | public int getLineNumber() { |
| 1242 | return line; |
| 1243 | } |
| 1244 | |
| 1245 | public int getColumnNumber() { |
| 1246 | return column; |
| 1247 | } |
| 1248 | |
| 1249 | public boolean isWhitespace() throws XmlPullParserException { |
| 1250 | if (type != TEXT && type != IGNORABLE_WHITESPACE && type != CDSECT) |
| 1251 | exception(ILLEGAL_TYPE); |
| 1252 | return isWhitespace; |
| 1253 | } |
| 1254 | |
| 1255 | public String getText() { |
| 1256 | return type < TEXT |
| 1257 | || (type == ENTITY_REF && unresolved) ? null : get(0); |
| 1258 | } |
| 1259 | |
| 1260 | public char[] getTextCharacters(int[] poslen) { |
| 1261 | if (type >= TEXT) { |
| 1262 | if (type == ENTITY_REF) { |
| 1263 | poslen[0] = 0; |
| 1264 | poslen[1] = name.length(); |
| 1265 | return name.toCharArray(); |
| 1266 | } |
| 1267 | poslen[0] = 0; |
| 1268 | poslen[1] = txtPos; |
| 1269 | return txtBuf; |
| 1270 | } |
| 1271 | |
| 1272 | poslen[0] = -1; |
| 1273 | poslen[1] = -1; |
| 1274 | return null; |
| 1275 | } |
| 1276 | |
| 1277 | public String getNamespace() { |
| 1278 | return namespace; |
| 1279 | } |
| 1280 | |
| 1281 | public String getName() { |
| 1282 | return name; |
| 1283 | } |
| 1284 | |
| 1285 | public String getPrefix() { |
| 1286 | return prefix; |
| 1287 | } |
| 1288 | |
| 1289 | public boolean isEmptyElementTag() throws XmlPullParserException { |
| 1290 | if (type != START_TAG) |
| 1291 | exception(ILLEGAL_TYPE); |
| 1292 | return degenerated; |
| 1293 | } |
| 1294 | |
| 1295 | public int getAttributeCount() { |
| 1296 | return attributeCount; |
| 1297 | } |
| 1298 | |
| 1299 | public String getAttributeType(int index) { |
| 1300 | return "CDATA"; |
| 1301 | } |
| 1302 | |
| 1303 | public boolean isAttributeDefault(int index) { |
| 1304 | return false; |
| 1305 | } |
| 1306 | |
| 1307 | public String getAttributeNamespace(int index) { |
| 1308 | if (index >= attributeCount) |
| 1309 | throw new IndexOutOfBoundsException(); |
| 1310 | return attributes[index << 2]; |
| 1311 | } |
| 1312 | |
| 1313 | public String getAttributeName(int index) { |
| 1314 | if (index >= attributeCount) |
| 1315 | throw new IndexOutOfBoundsException(); |
| 1316 | return attributes[(index << 2) + 2]; |
| 1317 | } |
| 1318 | |
| 1319 | public String getAttributePrefix(int index) { |
| 1320 | if (index >= attributeCount) |
| 1321 | throw new IndexOutOfBoundsException(); |
| 1322 | return attributes[(index << 2) + 1]; |
| 1323 | } |
| 1324 | |
| 1325 | public String getAttributeValue(int index) { |
| 1326 | if (index >= attributeCount) |
| 1327 | throw new IndexOutOfBoundsException(); |
| 1328 | return attributes[(index << 2) + 3]; |
| 1329 | } |
| 1330 | |
| 1331 | public String getAttributeValue(String namespace, String name) { |
| 1332 | |
| 1333 | for (int i = (attributeCount << 2) - 4; i >= 0; i -= 4) { |
| 1334 | if (attributes[i + 2].equals(name) |
| 1335 | && (namespace == null || attributes[i].equals(namespace))) |
| 1336 | return attributes[i + 3]; |
| 1337 | } |
| 1338 | |
| 1339 | return null; |
| 1340 | } |
| 1341 | |
| 1342 | public int getEventType() throws XmlPullParserException { |
| 1343 | return type; |
| 1344 | } |
| 1345 | |
| 1346 | public int next() throws XmlPullParserException, IOException { |
| 1347 | |
| 1348 | txtPos = 0; |
| 1349 | isWhitespace = true; |
| 1350 | int minType = 9999; |
| 1351 | token = false; |
| 1352 | |
| 1353 | do { |
| 1354 | nextImpl(); |
| 1355 | if (type < minType) |
| 1356 | minType = type; |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 1357 | // if (curr <= TEXT) type = curr; |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 1358 | } |
| 1359 | while (minType > ENTITY_REF // ignorable |
| 1360 | || (minType >= TEXT && peekType() >= TEXT)); |
| 1361 | |
| 1362 | type = minType; |
| 1363 | if (type > TEXT) |
| 1364 | type = TEXT; |
| 1365 | |
| 1366 | return type; |
| 1367 | } |
| 1368 | |
| 1369 | public int nextToken() throws XmlPullParserException, IOException { |
| 1370 | |
| 1371 | isWhitespace = true; |
| 1372 | txtPos = 0; |
| 1373 | |
| 1374 | token = true; |
| 1375 | nextImpl(); |
| 1376 | return type; |
| 1377 | } |
| 1378 | |
| 1379 | // |
| 1380 | // utility methods to make XML parsing easier ... |
| 1381 | |
| 1382 | public int nextTag() throws XmlPullParserException, IOException { |
| 1383 | |
| 1384 | next(); |
| 1385 | if (type == TEXT && isWhitespace) |
| 1386 | next(); |
| 1387 | |
| 1388 | if (type != END_TAG && type != START_TAG) |
| 1389 | exception("unexpected type"); |
| 1390 | |
| 1391 | return type; |
| 1392 | } |
| 1393 | |
| 1394 | public void require(int type, String namespace, String name) |
| 1395 | throws XmlPullParserException, IOException { |
| 1396 | |
| 1397 | if (type != this.type |
| 1398 | || (namespace != null && !namespace.equals(getNamespace())) |
| 1399 | || (name != null && !name.equals(getName()))) |
| 1400 | exception( |
| 1401 | "expected: " + TYPES[type] + " {" + namespace + "}" + name); |
| 1402 | } |
| 1403 | |
| 1404 | public String nextText() throws XmlPullParserException, IOException { |
| 1405 | if (type != START_TAG) |
| 1406 | exception("precondition: START_TAG"); |
| 1407 | |
| 1408 | next(); |
| 1409 | |
| 1410 | String result; |
| 1411 | |
| 1412 | if (type == TEXT) { |
| 1413 | result = getText(); |
| 1414 | next(); |
| 1415 | } |
| 1416 | else |
| 1417 | result = ""; |
| 1418 | |
| 1419 | if (type != END_TAG) |
| 1420 | exception("END_TAG expected"); |
| 1421 | |
| 1422 | return result; |
| 1423 | } |
| 1424 | |
| 1425 | public void setFeature(String feature, boolean value) |
| 1426 | throws XmlPullParserException { |
| 1427 | if (XmlPullParser.FEATURE_PROCESS_NAMESPACES.equals(feature)) |
| 1428 | processNsp = value; |
| 1429 | else if (isProp(feature, false, "relaxed")) |
| 1430 | relaxed = value; |
| 1431 | else |
| 1432 | exception("unsupported feature: " + feature); |
| 1433 | } |
| 1434 | |
| 1435 | public void setProperty(String property, Object value) |
| 1436 | throws XmlPullParserException { |
| 1437 | if(isProp(property, true, "location")) |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 1438 | location = value; |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 1439 | else |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 1440 | throw new XmlPullParserException("unsupported property: " + property); |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 1441 | } |
| 1442 | |
| 1443 | /** |
| 1444 | * Skip sub tree that is currently porser positioned on. |
| 1445 | * <br>NOTE: parser must be on START_TAG and when funtion returns |
| 1446 | * parser will be positioned on corresponding END_TAG. |
| 1447 | */ |
| 1448 | |
Elliott Hughes | b211e13 | 2009-11-09 16:06:42 -0800 | [diff] [blame] | 1449 | // Implementation copied from Alek's mail... |
The Android Open Source Project | adc854b | 2009-03-03 19:28:47 -0800 | [diff] [blame] | 1450 | |
| 1451 | public void skipSubTree() throws XmlPullParserException, IOException { |
| 1452 | require(START_TAG, null, null); |
| 1453 | int level = 1; |
| 1454 | while (level > 0) { |
| 1455 | int eventType = next(); |
| 1456 | if (eventType == END_TAG) { |
| 1457 | --level; |
| 1458 | } |
| 1459 | else if (eventType == START_TAG) { |
| 1460 | ++level; |
| 1461 | } |
| 1462 | } |
| 1463 | } |
| 1464 | } |