simple_html_dom.php
2356 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Website: http://sourceforge.net/projects/simplehtmldom/ |
| 4 | * Additional projects: http://sourceforge.net/projects/debugobject/ |
| 5 | * Acknowledge: Jose Solorzano (https://sourceforge.net/projects/php-html/) |
| 6 | * |
| 7 | * Licensed under The MIT License |
| 8 | * See the LICENSE file in the project root for more information. |
| 9 | * |
| 10 | * Authors: |
| 11 | * S.C. Chen |
| 12 | * John Schlick |
| 13 | * Rus Carroll |
| 14 | * logmanoriginal |
| 15 | * |
| 16 | * Contributors: |
| 17 | * Yousuke Kumakura |
| 18 | * Vadim Voituk |
| 19 | * Antcs |
| 20 | * |
| 21 | * Version Rev. 1.9.1 (291) |
| 22 | */ |
| 23 | |
| 24 | define('HDOM_TYPE_ELEMENT', 1); |
| 25 | define('HDOM_TYPE_COMMENT', 2); |
| 26 | define('HDOM_TYPE_TEXT', 3); |
| 27 | define('HDOM_TYPE_ENDTAG', 4); |
| 28 | define('HDOM_TYPE_ROOT', 5); |
| 29 | define('HDOM_TYPE_UNKNOWN', 6); |
| 30 | define('HDOM_QUOTE_DOUBLE', 0); |
| 31 | define('HDOM_QUOTE_SINGLE', 1); |
| 32 | define('HDOM_QUOTE_NO', 3); |
| 33 | define('HDOM_INFO_BEGIN', 0); |
| 34 | define('HDOM_INFO_END', 1); |
| 35 | define('HDOM_INFO_QUOTE', 2); |
| 36 | define('HDOM_INFO_SPACE', 3); |
| 37 | define('HDOM_INFO_TEXT', 4); |
| 38 | define('HDOM_INFO_INNER', 5); |
| 39 | define('HDOM_INFO_OUTER', 6); |
| 40 | define('HDOM_INFO_ENDSPACE', 7); |
| 41 | |
| 42 | defined('DEFAULT_TARGET_CHARSET') || define('DEFAULT_TARGET_CHARSET', 'UTF-8'); |
| 43 | defined('DEFAULT_BR_TEXT') || define('DEFAULT_BR_TEXT', "\r\n"); |
| 44 | defined('DEFAULT_SPAN_TEXT') || define('DEFAULT_SPAN_TEXT', ' '); |
| 45 | defined('MAX_FILE_SIZE') || define('MAX_FILE_SIZE', 600000); |
| 46 | define('HDOM_SMARTY_AS_TEXT', 1); |
| 47 | |
| 48 | function file_get_html( |
| 49 | $url, |
| 50 | $use_include_path = false, |
| 51 | $context = null, |
| 52 | $offset = 0, |
| 53 | $maxLen = -1, |
| 54 | $lowercase = true, |
| 55 | $forceTagsClosed = true, |
| 56 | $target_charset = DEFAULT_TARGET_CHARSET, |
| 57 | $stripRN = true, |
| 58 | $defaultBRText = DEFAULT_BR_TEXT, |
| 59 | $defaultSpanText = DEFAULT_SPAN_TEXT) |
| 60 | { |
| 61 | if($maxLen <= 0) { $maxLen = MAX_FILE_SIZE; } |
| 62 | |
| 63 | $dom = new simple_html_dom( |
| 64 | null, |
| 65 | $lowercase, |
| 66 | $forceTagsClosed, |
| 67 | $target_charset, |
| 68 | $stripRN, |
| 69 | $defaultBRText, |
| 70 | $defaultSpanText |
| 71 | ); |
| 72 | |
| 73 | /** |
| 74 | * For sourceforge users: uncomment the next line and comment the |
| 75 | * retrieve_url_contents line 2 lines down if it is not already done. |
| 76 | */ |
| 77 | $contents = file_get_contents( |
| 78 | $url, |
| 79 | $use_include_path, |
| 80 | $context, |
| 81 | $offset, |
| 82 | $maxLen |
| 83 | ); |
| 84 | // $contents = retrieve_url_contents($url); |
| 85 | |
| 86 | if (empty($contents) || strlen($contents) > $maxLen) { |
| 87 | $dom->clear(); |
| 88 | return false; |
| 89 | } |
| 90 | |
| 91 | return $dom->load($contents, $lowercase, $stripRN); |
| 92 | } |
| 93 | |
| 94 | function str_get_html( |
| 95 | $str, |
| 96 | $lowercase = true, |
| 97 | $forceTagsClosed = true, |
| 98 | $target_charset = DEFAULT_TARGET_CHARSET, |
| 99 | $stripRN = true, |
| 100 | $defaultBRText = DEFAULT_BR_TEXT, |
| 101 | $defaultSpanText = DEFAULT_SPAN_TEXT) |
| 102 | { |
| 103 | $dom = new simple_html_dom( |
| 104 | null, |
| 105 | $lowercase, |
| 106 | $forceTagsClosed, |
| 107 | $target_charset, |
| 108 | $stripRN, |
| 109 | $defaultBRText, |
| 110 | $defaultSpanText |
| 111 | ); |
| 112 | |
| 113 | if (empty($str) || strlen($str) > MAX_FILE_SIZE) { |
| 114 | $dom->clear(); |
| 115 | return false; |
| 116 | } |
| 117 | |
| 118 | return $dom->load($str, $lowercase, $stripRN); |
| 119 | } |
| 120 | |
| 121 | function dump_html_tree($node, $show_attr = true, $deep = 0) |
| 122 | { |
| 123 | $node->dump($node); |
| 124 | } |
| 125 | |
| 126 | class simple_html_dom_node |
| 127 | { |
| 128 | public $nodetype = HDOM_TYPE_TEXT; |
| 129 | public $tag = 'text'; |
| 130 | public $attr = array(); |
| 131 | public $children = array(); |
| 132 | public $nodes = array(); |
| 133 | public $parent = null; |
| 134 | public $_ = array(); |
| 135 | public $tag_start = 0; |
| 136 | private $dom = null; |
| 137 | |
| 138 | function __construct($dom) |
| 139 | { |
| 140 | $this->dom = $dom; |
| 141 | $dom->nodes[] = $this; |
| 142 | } |
| 143 | |
| 144 | function __destruct() |
| 145 | { |
| 146 | $this->clear(); |
| 147 | } |
| 148 | |
| 149 | function __toString() |
| 150 | { |
| 151 | return $this->outertext(); |
| 152 | } |
| 153 | |
| 154 | function clear() |
| 155 | { |
| 156 | $this->dom = null; |
| 157 | $this->nodes = null; |
| 158 | $this->parent = null; |
| 159 | $this->children = null; |
| 160 | } |
| 161 | |
| 162 | function dump($show_attr = true, $depth = 0) |
| 163 | { |
| 164 | echo str_repeat("\t", $depth) . $this->tag; |
| 165 | |
| 166 | if ($show_attr && count($this->attr) > 0) { |
| 167 | echo '('; |
| 168 | foreach ($this->attr as $k => $v) { |
| 169 | echo "[$k]=>\"$v\", "; |
| 170 | } |
| 171 | echo ')'; |
| 172 | } |
| 173 | |
| 174 | echo "\n"; |
| 175 | |
| 176 | if ($this->nodes) { |
| 177 | foreach ($this->nodes as $node) { |
| 178 | $node->dump($show_attr, $depth + 1); |
| 179 | } |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | function dump_node($echo = true) |
| 184 | { |
| 185 | $string = $this->tag; |
| 186 | |
| 187 | if (count($this->attr) > 0) { |
| 188 | $string .= '('; |
| 189 | foreach ($this->attr as $k => $v) { |
| 190 | $string .= "[$k]=>\"$v\", "; |
| 191 | } |
| 192 | $string .= ')'; |
| 193 | } |
| 194 | |
| 195 | if (count($this->_) > 0) { |
| 196 | $string .= ' $_ ('; |
| 197 | foreach ($this->_ as $k => $v) { |
| 198 | if (is_array($v)) { |
| 199 | $string .= "[$k]=>("; |
| 200 | foreach ($v as $k2 => $v2) { |
| 201 | $string .= "[$k2]=>\"$v2\", "; |
| 202 | } |
| 203 | $string .= ')'; |
| 204 | } else { |
| 205 | $string .= "[$k]=>\"$v\", "; |
| 206 | } |
| 207 | } |
| 208 | $string .= ')'; |
| 209 | } |
| 210 | |
| 211 | if (isset($this->text)) { |
| 212 | $string .= " text: ({$this->text})"; |
| 213 | } |
| 214 | |
| 215 | $string .= ' HDOM_INNER_INFO: '; |
| 216 | |
| 217 | if (isset($node->_[HDOM_INFO_INNER])) { |
| 218 | $string .= "'" . $node->_[HDOM_INFO_INNER] . "'"; |
| 219 | } else { |
| 220 | $string .= ' NULL '; |
| 221 | } |
| 222 | |
| 223 | $string .= ' children: ' . count($this->children); |
| 224 | $string .= ' nodes: ' . count($this->nodes); |
| 225 | $string .= ' tag_start: ' . $this->tag_start; |
| 226 | $string .= "\n"; |
| 227 | |
| 228 | if ($echo) { |
| 229 | echo $string; |
| 230 | return; |
| 231 | } else { |
| 232 | return $string; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | function parent($parent = null) |
| 237 | { |
| 238 | // I am SURE that this doesn't work properly. |
| 239 | // It fails to unset the current node from it's current parents nodes or |
| 240 | // children list first. |
| 241 | if ($parent !== null) { |
| 242 | $this->parent = $parent; |
| 243 | $this->parent->nodes[] = $this; |
| 244 | $this->parent->children[] = $this; |
| 245 | } |
| 246 | |
| 247 | return $this->parent; |
| 248 | } |
| 249 | |
| 250 | function has_child() |
| 251 | { |
| 252 | return !empty($this->children); |
| 253 | } |
| 254 | |
| 255 | function children($idx = -1) |
| 256 | { |
| 257 | if ($idx === -1) { |
| 258 | return $this->children; |
| 259 | } |
| 260 | |
| 261 | if (isset($this->children[$idx])) { |
| 262 | return $this->children[$idx]; |
| 263 | } |
| 264 | |
| 265 | return null; |
| 266 | } |
| 267 | |
| 268 | function first_child() |
| 269 | { |
| 270 | if (count($this->children) > 0) { |
| 271 | return $this->children[0]; |
| 272 | } |
| 273 | return null; |
| 274 | } |
| 275 | |
| 276 | function last_child() |
| 277 | { |
| 278 | if (count($this->children) > 0) { |
| 279 | return end($this->children); |
| 280 | } |
| 281 | return null; |
| 282 | } |
| 283 | |
| 284 | function next_sibling() |
| 285 | { |
| 286 | if ($this->parent === null) { |
| 287 | return null; |
| 288 | } |
| 289 | |
| 290 | $idx = array_search($this, $this->parent->children, true); |
| 291 | |
| 292 | if ($idx !== false && isset($this->parent->children[$idx + 1])) { |
| 293 | return $this->parent->children[$idx + 1]; |
| 294 | } |
| 295 | |
| 296 | return null; |
| 297 | } |
| 298 | |
| 299 | function prev_sibling() |
| 300 | { |
| 301 | if ($this->parent === null) { |
| 302 | return null; |
| 303 | } |
| 304 | |
| 305 | $idx = array_search($this, $this->parent->children, true); |
| 306 | |
| 307 | if ($idx !== false && $idx > 0) { |
| 308 | return $this->parent->children[$idx - 1]; |
| 309 | } |
| 310 | |
| 311 | return null; |
| 312 | } |
| 313 | |
| 314 | function find_ancestor_tag($tag) |
| 315 | { |
| 316 | global $debug_object; |
| 317 | if (is_object($debug_object)) { $debug_object->debug_log_entry(1); } |
| 318 | |
| 319 | if ($this->parent === null) { |
| 320 | return null; |
| 321 | } |
| 322 | |
| 323 | $ancestor = $this->parent; |
| 324 | |
| 325 | while (!is_null($ancestor)) { |
| 326 | if (is_object($debug_object)) { |
| 327 | $debug_object->debug_log(2, 'Current tag is: ' . $ancestor->tag); |
| 328 | } |
| 329 | |
| 330 | if ($ancestor->tag === $tag) { |
| 331 | break; |
| 332 | } |
| 333 | |
| 334 | $ancestor = $ancestor->parent; |
| 335 | } |
| 336 | |
| 337 | return $ancestor; |
| 338 | } |
| 339 | |
| 340 | function innertext() |
| 341 | { |
| 342 | if (isset($this->_[HDOM_INFO_INNER])) { |
| 343 | return $this->_[HDOM_INFO_INNER]; |
| 344 | } |
| 345 | |
| 346 | if (isset($this->_[HDOM_INFO_TEXT])) { |
| 347 | return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]); |
| 348 | } |
| 349 | |
| 350 | $ret = ''; |
| 351 | |
| 352 | foreach ($this->nodes as $n) { |
| 353 | $ret .= $n->outertext(); |
| 354 | } |
| 355 | |
| 356 | return $ret; |
| 357 | } |
| 358 | |
| 359 | function outertext() |
| 360 | { |
| 361 | global $debug_object; |
| 362 | |
| 363 | if (is_object($debug_object)) { |
| 364 | $text = ''; |
| 365 | |
| 366 | if ($this->tag === 'text') { |
| 367 | if (!empty($this->text)) { |
| 368 | $text = ' with text: ' . $this->text; |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | $debug_object->debug_log(1, 'Innertext of tag: ' . $this->tag . $text); |
| 373 | } |
| 374 | |
| 375 | if ($this->tag === 'root') { |
| 376 | return $this->innertext(); |
| 377 | } |
| 378 | |
| 379 | // todo: What is the use of this callback? Remove? |
| 380 | if ($this->dom && $this->dom->callback !== null) { |
| 381 | call_user_func_array($this->dom->callback, array($this)); |
| 382 | } |
| 383 | |
| 384 | if (isset($this->_[HDOM_INFO_OUTER])) { |
| 385 | return $this->_[HDOM_INFO_OUTER]; |
| 386 | } |
| 387 | |
| 388 | if (isset($this->_[HDOM_INFO_TEXT])) { |
| 389 | return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]); |
| 390 | } |
| 391 | |
| 392 | $ret = ''; |
| 393 | |
| 394 | if ($this->dom && $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]) { |
| 395 | $ret = $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]->makeup(); |
| 396 | } |
| 397 | |
| 398 | if (isset($this->_[HDOM_INFO_INNER])) { |
| 399 | // todo: <br> should either never have HDOM_INFO_INNER or always |
| 400 | if ($this->tag !== 'br') { |
| 401 | $ret .= $this->_[HDOM_INFO_INNER]; |
| 402 | } |
| 403 | } elseif ($this->nodes) { |
| 404 | foreach ($this->nodes as $n) { |
| 405 | $ret .= $this->convert_text($n->outertext()); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | if (isset($this->_[HDOM_INFO_END]) && $this->_[HDOM_INFO_END] != 0) { |
| 410 | $ret .= '</' . $this->tag . '>'; |
| 411 | } |
| 412 | |
| 413 | return $ret; |
| 414 | } |
| 415 | |
| 416 | function text() |
| 417 | { |
| 418 | if (isset($this->_[HDOM_INFO_INNER])) { |
| 419 | return $this->_[HDOM_INFO_INNER]; |
| 420 | } |
| 421 | |
| 422 | switch ($this->nodetype) { |
| 423 | case HDOM_TYPE_TEXT: return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]); |
| 424 | case HDOM_TYPE_COMMENT: return ''; |
| 425 | case HDOM_TYPE_UNKNOWN: return ''; |
| 426 | } |
| 427 | |
| 428 | if (strcasecmp($this->tag, 'script') === 0) { return ''; } |
| 429 | if (strcasecmp($this->tag, 'style') === 0) { return ''; } |
| 430 | |
| 431 | $ret = ''; |
| 432 | |
| 433 | // In rare cases, (always node type 1 or HDOM_TYPE_ELEMENT - observed |
| 434 | // for some span tags, and some p tags) $this->nodes is set to NULL. |
| 435 | // NOTE: This indicates that there is a problem where it's set to NULL |
| 436 | // without a clear happening. |
| 437 | // WHY is this happening? |
| 438 | if (!is_null($this->nodes)) { |
| 439 | foreach ($this->nodes as $n) { |
| 440 | // Start paragraph after a blank line |
| 441 | if ($n->tag === 'p') { |
| 442 | $ret = trim($ret) . "\n\n"; |
| 443 | } |
| 444 | |
| 445 | $ret .= $this->convert_text($n->text()); |
| 446 | |
| 447 | // If this node is a span... add a space at the end of it so |
| 448 | // multiple spans don't run into each other. This is plaintext |
| 449 | // after all. |
| 450 | if ($n->tag === 'span') { |
| 451 | $ret .= $this->dom->default_span_text; |
| 452 | } |
| 453 | } |
| 454 | } |
| 455 | return $ret; |
| 456 | } |
| 457 | |
| 458 | function xmltext() |
| 459 | { |
| 460 | $ret = $this->innertext(); |
| 461 | $ret = str_ireplace('<![CDATA[', '', $ret); |
| 462 | $ret = str_replace(']]>', '', $ret); |
| 463 | return $ret; |
| 464 | } |
| 465 | |
| 466 | function makeup() |
| 467 | { |
| 468 | // text, comment, unknown |
| 469 | if (isset($this->_[HDOM_INFO_TEXT])) { |
| 470 | return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]); |
| 471 | } |
| 472 | |
| 473 | $ret = '<' . $this->tag; |
| 474 | $i = -1; |
| 475 | |
| 476 | foreach ($this->attr as $key => $val) { |
| 477 | ++$i; |
| 478 | |
| 479 | // skip removed attribute |
| 480 | if ($val === null || $val === false) { continue; } |
| 481 | |
| 482 | $ret .= $this->_[HDOM_INFO_SPACE][$i][0]; |
| 483 | |
| 484 | //no value attr: nowrap, checked selected... |
| 485 | if ($val === true) { |
| 486 | $ret .= $key; |
| 487 | } else { |
| 488 | switch ($this->_[HDOM_INFO_QUOTE][$i]) |
| 489 | { |
| 490 | case HDOM_QUOTE_DOUBLE: $quote = '"'; break; |
| 491 | case HDOM_QUOTE_SINGLE: $quote = '\''; break; |
| 492 | default: $quote = ''; |
| 493 | } |
| 494 | |
| 495 | $ret .= $key |
| 496 | . $this->_[HDOM_INFO_SPACE][$i][1] |
| 497 | . '=' |
| 498 | . $this->_[HDOM_INFO_SPACE][$i][2] |
| 499 | . $quote |
| 500 | . $val |
| 501 | . $quote; |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | $ret = $this->dom->restore_noise($ret); |
| 506 | return $ret . $this->_[HDOM_INFO_ENDSPACE] . '>'; |
| 507 | } |
| 508 | |
| 509 | function find($selector, $idx = null, $lowercase = false) |
| 510 | { |
| 511 | $selectors = $this->parse_selector($selector); |
| 512 | if (($count = count($selectors)) === 0) { return array(); } |
| 513 | $found_keys = array(); |
| 514 | |
| 515 | // find each selector |
| 516 | for ($c = 0; $c < $count; ++$c) { |
| 517 | // The change on the below line was documented on the sourceforge |
| 518 | // code tracker id 2788009 |
| 519 | // used to be: if (($levle=count($selectors[0]))===0) return array(); |
| 520 | if (($levle = count($selectors[$c])) === 0) { return array(); } |
| 521 | if (!isset($this->_[HDOM_INFO_BEGIN])) { return array(); } |
| 522 | |
| 523 | $head = array($this->_[HDOM_INFO_BEGIN] => 1); |
| 524 | $cmd = ' '; // Combinator |
| 525 | |
| 526 | // handle descendant selectors, no recursive! |
| 527 | for ($l = 0; $l < $levle; ++$l) { |
| 528 | $ret = array(); |
| 529 | |
| 530 | foreach ($head as $k => $v) { |
| 531 | $n = ($k === -1) ? $this->dom->root : $this->dom->nodes[$k]; |
| 532 | //PaperG - Pass this optional parameter on to the seek function. |
| 533 | $n->seek($selectors[$c][$l], $ret, $cmd, $lowercase); |
| 534 | } |
| 535 | |
| 536 | $head = $ret; |
| 537 | $cmd = $selectors[$c][$l][4]; // Next Combinator |
| 538 | } |
| 539 | |
| 540 | foreach ($head as $k => $v) { |
| 541 | if (!isset($found_keys[$k])) { |
| 542 | $found_keys[$k] = 1; |
| 543 | } |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | // sort keys |
| 548 | ksort($found_keys); |
| 549 | |
| 550 | $found = array(); |
| 551 | foreach ($found_keys as $k => $v) { |
| 552 | $found[] = $this->dom->nodes[$k]; |
| 553 | } |
| 554 | |
| 555 | // return nth-element or array |
| 556 | if (is_null($idx)) { return $found; } |
| 557 | elseif ($idx < 0) { $idx = count($found) + $idx; } |
| 558 | return (isset($found[$idx])) ? $found[$idx] : null; |
| 559 | } |
| 560 | |
| 561 | protected function seek($selector, &$ret, $parent_cmd, $lowercase = false) |
| 562 | { |
| 563 | global $debug_object; |
| 564 | if (is_object($debug_object)) { $debug_object->debug_log_entry(1); } |
| 565 | |
| 566 | list($tag, $id, $class, $attributes, $cmb) = $selector; |
| 567 | $nodes = array(); |
| 568 | |
| 569 | if ($parent_cmd === ' ') { // Descendant Combinator |
| 570 | // Find parent closing tag if the current element doesn't have a closing |
| 571 | // tag (i.e. void element) |
| 572 | $end = (!empty($this->_[HDOM_INFO_END])) ? $this->_[HDOM_INFO_END] : 0; |
| 573 | if ($end == 0) { |
| 574 | $parent = $this->parent; |
| 575 | while (!isset($parent->_[HDOM_INFO_END]) && $parent !== null) { |
| 576 | $end -= 1; |
| 577 | $parent = $parent->parent; |
| 578 | } |
| 579 | $end += $parent->_[HDOM_INFO_END]; |
| 580 | } |
| 581 | |
| 582 | // Get list of target nodes |
| 583 | $nodes_start = $this->_[HDOM_INFO_BEGIN] + 1; |
| 584 | $nodes_count = $end - $nodes_start; |
| 585 | $nodes = array_slice($this->dom->nodes, $nodes_start, $nodes_count, true); |
| 586 | } elseif ($parent_cmd === '>') { // Child Combinator |
| 587 | $nodes = $this->children; |
| 588 | } elseif ($parent_cmd === '+' |
| 589 | && $this->parent |
| 590 | && in_array($this, $this->parent->children)) { // Next-Sibling Combinator |
| 591 | $index = array_search($this, $this->parent->children, true) + 1; |
| 592 | if ($index < count($this->parent->children)) |
| 593 | $nodes[] = $this->parent->children[$index]; |
| 594 | } elseif ($parent_cmd === '~' |
| 595 | && $this->parent |
| 596 | && in_array($this, $this->parent->children)) { // Subsequent Sibling Combinator |
| 597 | $index = array_search($this, $this->parent->children, true); |
| 598 | $nodes = array_slice($this->parent->children, $index); |
| 599 | } |
| 600 | |
| 601 | // Go throgh each element starting at this element until the end tag |
| 602 | // Note: If this element is a void tag, any previous void element is |
| 603 | // skipped. |
| 604 | foreach($nodes as $node) { |
| 605 | $pass = true; |
| 606 | |
| 607 | // Skip root nodes |
| 608 | if(!$node->parent) { |
| 609 | $pass = false; |
| 610 | } |
| 611 | |
| 612 | // Handle 'text' selector |
| 613 | if($pass && $tag === 'text' && $node->tag === 'text') { |
| 614 | $ret[array_search($node, $this->dom->nodes, true)] = 1; |
| 615 | unset($node); |
| 616 | continue; |
| 617 | } |
| 618 | |
| 619 | // Skip if node isn't a child node (i.e. text nodes) |
| 620 | if($pass && !in_array($node, $node->parent->children, true)) { |
| 621 | $pass = false; |
| 622 | } |
| 623 | |
| 624 | // Skip if tag doesn't match |
| 625 | if ($pass && $tag !== '' && $tag !== $node->tag && $tag !== '*') { |
| 626 | $pass = false; |
| 627 | } |
| 628 | |
| 629 | // Skip if ID doesn't exist |
| 630 | if ($pass && $id !== '' && !isset($node->attr['id'])) { |
| 631 | $pass = false; |
| 632 | } |
| 633 | |
| 634 | // Check if ID matches |
| 635 | if ($pass && $id !== '' && isset($node->attr['id'])) { |
| 636 | // Note: Only consider the first ID (as browsers do) |
| 637 | // $node_id = explode(' ', trim($node->attr['id']))[0]; |
| 638 | $node_id = explode(' ', trim($node->attr['id'])); |
| 639 | $node_id = $node_id[0]; |
| 640 | |
| 641 | if($id !== $node_id) { $pass = false; } |
| 642 | } |
| 643 | |
| 644 | // Check if all class(es) exist |
| 645 | if ($pass && $class !== '' && is_array($class) && !empty($class)) { |
| 646 | if (isset($node->attr['class'])) { |
| 647 | $node_classes = explode(' ', $node->attr['class']); |
| 648 | |
| 649 | if ($lowercase) { |
| 650 | $node_classes = array_map('strtolower', $node_classes); |
| 651 | } |
| 652 | |
| 653 | foreach($class as $c) { |
| 654 | if(!in_array($c, $node_classes)) { |
| 655 | $pass = false; |
| 656 | break; |
| 657 | } |
| 658 | } |
| 659 | } else { |
| 660 | $pass = false; |
| 661 | } |
| 662 | } |
| 663 | |
| 664 | // Check attributes |
| 665 | if ($pass |
| 666 | && $attributes !== '' |
| 667 | && is_array($attributes) |
| 668 | && !empty($attributes)) { |
| 669 | foreach($attributes as $a) { |
| 670 | list ( |
| 671 | $att_name, |
| 672 | $att_expr, |
| 673 | $att_val, |
| 674 | $att_inv, |
| 675 | $att_case_sensitivity |
| 676 | ) = $a; |
| 677 | |
| 678 | // Handle indexing attributes (i.e. "[2]") |
| 679 | /** |
| 680 | * Note: This is not supported by the CSS Standard but adds |
| 681 | * the ability to select items compatible to XPath (i.e. |
| 682 | * the 3rd element within it's parent). |
| 683 | * |
| 684 | * Note: This doesn't conflict with the CSS Standard which |
| 685 | * doesn't work on numeric attributes anyway. |
| 686 | */ |
| 687 | if (is_numeric($att_name) |
| 688 | && $att_expr === '' |
| 689 | && $att_val === '') { |
| 690 | $count = 0; |
| 691 | |
| 692 | // Find index of current element in parent |
| 693 | foreach ($node->parent->children as $c) { |
| 694 | if ($c->tag === $node->tag) ++$count; |
| 695 | if ($c === $node) break; |
| 696 | } |
| 697 | |
| 698 | // If this is the correct node, continue with next |
| 699 | // attribute |
| 700 | if ($count === (int)$att_name) continue; |
| 701 | } |
| 702 | |
| 703 | // Check attribute availability |
| 704 | if ($att_inv) { // Attribute should NOT be set |
| 705 | if (isset($node->attr[$att_name])) { |
| 706 | $pass = false; |
| 707 | break; |
| 708 | } |
| 709 | } else { // Attribute should be set |
| 710 | // todo: "plaintext" is not a valid CSS selector! |
| 711 | if ($att_name !== 'plaintext' |
| 712 | && !isset($node->attr[$att_name])) { |
| 713 | $pass = false; |
| 714 | break; |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | // Continue with next attribute if expression isn't defined |
| 719 | if ($att_expr === '') continue; |
| 720 | |
| 721 | // If they have told us that this is a "plaintext" |
| 722 | // search then we want the plaintext of the node - right? |
| 723 | // todo "plaintext" is not a valid CSS selector! |
| 724 | if ($att_name === 'plaintext') { |
| 725 | $nodeKeyValue = $node->text(); |
| 726 | } else { |
| 727 | $nodeKeyValue = $node->attr[$att_name]; |
| 728 | } |
| 729 | |
| 730 | if (is_object($debug_object)) { |
| 731 | $debug_object->debug_log(2, |
| 732 | 'testing node: ' |
| 733 | . $node->tag |
| 734 | . ' for attribute: ' |
| 735 | . $att_name |
| 736 | . $att_expr |
| 737 | . $att_val |
| 738 | . ' where nodes value is: ' |
| 739 | . $nodeKeyValue |
| 740 | ); |
| 741 | } |
| 742 | |
| 743 | // If lowercase is set, do a case insensitive test of |
| 744 | // the value of the selector. |
| 745 | if ($lowercase) { |
| 746 | $check = $this->match( |
| 747 | $att_expr, |
| 748 | strtolower($att_val), |
| 749 | strtolower($nodeKeyValue), |
| 750 | $att_case_sensitivity |
| 751 | ); |
| 752 | } else { |
| 753 | $check = $this->match( |
| 754 | $att_expr, |
| 755 | $att_val, |
| 756 | $nodeKeyValue, |
| 757 | $att_case_sensitivity |
| 758 | ); |
| 759 | } |
| 760 | |
| 761 | if (is_object($debug_object)) { |
| 762 | $debug_object->debug_log(2, |
| 763 | 'after match: ' |
| 764 | . ($check ? 'true' : 'false') |
| 765 | ); |
| 766 | } |
| 767 | |
| 768 | if (!$check) { |
| 769 | $pass = false; |
| 770 | break; |
| 771 | } |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | // Found a match. Add to list and clear node |
| 776 | if ($pass) $ret[$node->_[HDOM_INFO_BEGIN]] = 1; |
| 777 | unset($node); |
| 778 | } |
| 779 | // It's passed by reference so this is actually what this function returns. |
| 780 | if (is_object($debug_object)) { |
| 781 | $debug_object->debug_log(1, 'EXIT - ret: ', $ret); |
| 782 | } |
| 783 | } |
| 784 | |
| 785 | protected function match($exp, $pattern, $value, $case_sensitivity) |
| 786 | { |
| 787 | global $debug_object; |
| 788 | if (is_object($debug_object)) {$debug_object->debug_log_entry(1);} |
| 789 | |
| 790 | if ($case_sensitivity === 'i') { |
| 791 | $pattern = strtolower($pattern); |
| 792 | $value = strtolower($value); |
| 793 | } |
| 794 | |
| 795 | switch ($exp) { |
| 796 | case '=': |
| 797 | return ($value === $pattern); |
| 798 | case '!=': |
| 799 | return ($value !== $pattern); |
| 800 | case '^=': |
| 801 | return preg_match('/^' . preg_quote($pattern, '/') . '/', $value); |
| 802 | case '$=': |
| 803 | return preg_match('/' . preg_quote($pattern, '/') . '$/', $value); |
| 804 | case '*=': |
| 805 | return preg_match('/' . preg_quote($pattern, '/') . '/', $value); |
| 806 | case '|=': |
| 807 | /** |
| 808 | * [att|=val] |
| 809 | * |
| 810 | * Represents an element with the att attribute, its value |
| 811 | * either being exactly "val" or beginning with "val" |
| 812 | * immediately followed by "-" (U+002D). |
| 813 | */ |
| 814 | return strpos($value, $pattern) === 0; |
| 815 | case '~=': |
| 816 | /** |
| 817 | * [att~=val] |
| 818 | * |
| 819 | * Represents an element with the att attribute whose value is a |
| 820 | * whitespace-separated list of words, one of which is exactly |
| 821 | * "val". If "val" contains whitespace, it will never represent |
| 822 | * anything (since the words are separated by spaces). Also if |
| 823 | * "val" is the empty string, it will never represent anything. |
| 824 | */ |
| 825 | return in_array($pattern, explode(' ', trim($value)), true); |
| 826 | } |
| 827 | return false; |
| 828 | } |
| 829 | |
| 830 | protected function parse_selector($selector_string) |
| 831 | { |
| 832 | global $debug_object; |
| 833 | if (is_object($debug_object)) { $debug_object->debug_log_entry(1); } |
| 834 | |
| 835 | /** |
| 836 | * Pattern of CSS selectors, modified from mootools (https://mootools.net/) |
| 837 | * |
| 838 | * Paperg: Add the colon to the attribute, so that it properly finds |
| 839 | * <tag attr:ibute="something" > like google does. |
| 840 | * |
| 841 | * Note: if you try to look at this attribute, you MUST use getAttribute |
| 842 | * since $dom->x:y will fail the php syntax check. |
| 843 | * |
| 844 | * Notice the \[ starting the attribute? and the @? following? This |
| 845 | * implies that an attribute can begin with an @ sign that is not |
| 846 | * captured. This implies that an html attribute specifier may start |
| 847 | * with an @ sign that is NOT captured by the expression. Farther study |
| 848 | * is required to determine of this should be documented or removed. |
| 849 | * |
| 850 | * Matches selectors in this order: |
| 851 | * |
| 852 | * [0] - full match |
| 853 | * |
| 854 | * [1] - tag name |
| 855 | * ([\w:\*-]*) |
| 856 | * Matches the tag name consisting of zero or more words, colons, |
| 857 | * asterisks and hyphens. |
| 858 | * |
| 859 | * [2] - id name |
| 860 | * (?:\#([\w-]+)) |
| 861 | * Optionally matches a id name, consisting of an "#" followed by |
| 862 | * the id name (one or more words and hyphens). |
| 863 | * |
| 864 | * [3] - class names (including dots) |
| 865 | * (?:\.([\w\.-]+))? |
| 866 | * Optionally matches a list of classs, consisting of an "." |
| 867 | * followed by the class name (one or more words and hyphens) |
| 868 | * where multiple classes can be chained (i.e. ".foo.bar.baz") |
| 869 | * |
| 870 | * [4] - attributes |
| 871 | * ((?:\[@?(?:!?[\w:-]+)(?:(?:[!*^$|~]?=)[\"']?(?:.*?)[\"']?)?(?:\s*?(?:[iIsS])?)?\])+)? |
| 872 | * Optionally matches the attributes list |
| 873 | * |
| 874 | * [5] - separator |
| 875 | * ([\/, >+~]+) |
| 876 | * Matches the selector list separator |
| 877 | */ |
| 878 | // phpcs:ignore Generic.Files.LineLength |
| 879 | $pattern = "/([\w:\*-]*)(?:\#([\w-]+))?(?:|\.([\w\.-]+))?((?:\[@?(?:!?[\w:-]+)(?:(?:[!*^$|~]?=)[\"']?(?:.*?)[\"']?)?(?:\s*?(?:[iIsS])?)?\])+)?([\/, >+~]+)/is"; |
| 880 | |
| 881 | preg_match_all( |
| 882 | $pattern, |
| 883 | trim($selector_string) . ' ', // Add final ' ' as pseudo separator |
| 884 | $matches, |
| 885 | PREG_SET_ORDER |
| 886 | ); |
| 887 | |
| 888 | if (is_object($debug_object)) { |
| 889 | $debug_object->debug_log(2, 'Matches Array: ', $matches); |
| 890 | } |
| 891 | |
| 892 | $selectors = array(); |
| 893 | $result = array(); |
| 894 | |
| 895 | foreach ($matches as $m) { |
| 896 | $m[0] = trim($m[0]); |
| 897 | |
| 898 | // Skip NoOps |
| 899 | if ($m[0] === '' || $m[0] === '/' || $m[0] === '//') { continue; } |
| 900 | |
| 901 | // Convert to lowercase |
| 902 | if ($this->dom->lowercase) { |
| 903 | $m[1] = strtolower($m[1]); |
| 904 | } |
| 905 | |
| 906 | // Extract classes |
| 907 | if ($m[3] !== '') { $m[3] = explode('.', $m[3]); } |
| 908 | |
| 909 | /* Extract attributes (pattern based on the pattern above!) |
| 910 | |
| 911 | * [0] - full match |
| 912 | * [1] - attribute name |
| 913 | * [2] - attribute expression |
| 914 | * [3] - attribute value |
| 915 | * [4] - case sensitivity |
| 916 | * |
| 917 | * Note: Attributes can be negated with a "!" prefix to their name |
| 918 | */ |
| 919 | if($m[4] !== '') { |
| 920 | preg_match_all( |
| 921 | "/\[@?(!?[\w:-]+)(?:([!*^$|~]?=)[\"']?(.*?)[\"']?)?(?:\s+?([iIsS])?)?\]/is", |
| 922 | trim($m[4]), |
| 923 | $attributes, |
| 924 | PREG_SET_ORDER |
| 925 | ); |
| 926 | |
| 927 | // Replace element by array |
| 928 | $m[4] = array(); |
| 929 | |
| 930 | foreach($attributes as $att) { |
| 931 | // Skip empty matches |
| 932 | if(trim($att[0]) === '') { continue; } |
| 933 | |
| 934 | $inverted = (isset($att[1][0]) && $att[1][0] === '!'); |
| 935 | $m[4][] = array( |
| 936 | $inverted ? substr($att[1], 1) : $att[1], // Name |
| 937 | (isset($att[2])) ? $att[2] : '', // Expression |
| 938 | (isset($att[3])) ? $att[3] : '', // Value |
| 939 | $inverted, // Inverted Flag |
| 940 | (isset($att[4])) ? strtolower($att[4]) : '', // Case-Sensitivity |
| 941 | ); |
| 942 | } |
| 943 | } |
| 944 | |
| 945 | // Sanitize Separator |
| 946 | if ($m[5] !== '' && trim($m[5]) === '') { // Descendant Separator |
| 947 | $m[5] = ' '; |
| 948 | } else { // Other Separator |
| 949 | $m[5] = trim($m[5]); |
| 950 | } |
| 951 | |
| 952 | // Clear Separator if it's a Selector List |
| 953 | if ($is_list = ($m[5] === ',')) { $m[5] = ''; } |
| 954 | |
| 955 | // Remove full match before adding to results |
| 956 | array_shift($m); |
| 957 | $result[] = $m; |
| 958 | |
| 959 | if ($is_list) { // Selector List |
| 960 | $selectors[] = $result; |
| 961 | $result = array(); |
| 962 | } |
| 963 | } |
| 964 | |
| 965 | if (count($result) > 0) { $selectors[] = $result; } |
| 966 | return $selectors; |
| 967 | } |
| 968 | |
| 969 | function __get($name) |
| 970 | { |
| 971 | if (isset($this->attr[$name])) { |
| 972 | return $this->convert_text($this->attr[$name]); |
| 973 | } |
| 974 | switch ($name) { |
| 975 | case 'outertext': return $this->outertext(); |
| 976 | case 'innertext': return $this->innertext(); |
| 977 | case 'plaintext': return $this->text(); |
| 978 | case 'xmltext': return $this->xmltext(); |
| 979 | default: return array_key_exists($name, $this->attr); |
| 980 | } |
| 981 | } |
| 982 | |
| 983 | function __set($name, $value) |
| 984 | { |
| 985 | global $debug_object; |
| 986 | if (is_object($debug_object)) { $debug_object->debug_log_entry(1); } |
| 987 | |
| 988 | switch ($name) { |
| 989 | case 'outertext': return $this->_[HDOM_INFO_OUTER] = $value; |
| 990 | case 'innertext': |
| 991 | if (isset($this->_[HDOM_INFO_TEXT])) { |
| 992 | return $this->_[HDOM_INFO_TEXT] = $value; |
| 993 | } |
| 994 | return $this->_[HDOM_INFO_INNER] = $value; |
| 995 | } |
| 996 | |
| 997 | if (!isset($this->attr[$name])) { |
| 998 | $this->_[HDOM_INFO_SPACE][] = array(' ', '', ''); |
| 999 | $this->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_DOUBLE; |
| 1000 | } |
| 1001 | |
| 1002 | $this->attr[$name] = $value; |
| 1003 | } |
| 1004 | |
| 1005 | function __isset($name) |
| 1006 | { |
| 1007 | switch ($name) { |
| 1008 | case 'outertext': return true; |
| 1009 | case 'innertext': return true; |
| 1010 | case 'plaintext': return true; |
| 1011 | } |
| 1012 | //no value attr: nowrap, checked selected... |
| 1013 | return (array_key_exists($name, $this->attr)) ? true : isset($this->attr[$name]); |
| 1014 | } |
| 1015 | |
| 1016 | function __unset($name) |
| 1017 | { |
| 1018 | if (isset($this->attr[$name])) { unset($this->attr[$name]); } |
| 1019 | } |
| 1020 | |
| 1021 | function convert_text($text) |
| 1022 | { |
| 1023 | global $debug_object; |
| 1024 | if (is_object($debug_object)) { $debug_object->debug_log_entry(1); } |
| 1025 | |
| 1026 | $converted_text = $text; |
| 1027 | |
| 1028 | $sourceCharset = ''; |
| 1029 | $targetCharset = ''; |
| 1030 | |
| 1031 | if ($this->dom) { |
| 1032 | $sourceCharset = strtoupper($this->dom->_charset); |
| 1033 | $targetCharset = strtoupper($this->dom->_target_charset); |
| 1034 | } |
| 1035 | |
| 1036 | if (is_object($debug_object)) { |
| 1037 | $debug_object->debug_log(3, |
| 1038 | 'source charset: ' |
| 1039 | . $sourceCharset |
| 1040 | . ' target charaset: ' |
| 1041 | . $targetCharset |
| 1042 | ); |
| 1043 | } |
| 1044 | |
| 1045 | if (!empty($sourceCharset) |
| 1046 | && !empty($targetCharset) |
| 1047 | && (strcasecmp($sourceCharset, $targetCharset) != 0)) { |
| 1048 | // Check if the reported encoding could have been incorrect and the text is actually already UTF-8 |
| 1049 | if ((strcasecmp($targetCharset, 'UTF-8') == 0) |
| 1050 | && ($this->is_utf8($text))) { |
| 1051 | $converted_text = $text; |
| 1052 | } else { |
| 1053 | $converted_text = iconv($sourceCharset, $targetCharset, $text); |
| 1054 | } |
| 1055 | } |
| 1056 | |
| 1057 | // Lets make sure that we don't have that silly BOM issue with any of the utf-8 text we output. |
| 1058 | if ($targetCharset === 'UTF-8') { |
| 1059 | if (substr($converted_text, 0, 3) === "\xef\xbb\xbf") { |
| 1060 | $converted_text = substr($converted_text, 3); |
| 1061 | } |
| 1062 | |
| 1063 | if (substr($converted_text, -3) === "\xef\xbb\xbf") { |
| 1064 | $converted_text = substr($converted_text, 0, -3); |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | return $converted_text; |
| 1069 | } |
| 1070 | |
| 1071 | static function is_utf8($str) |
| 1072 | { |
| 1073 | $c = 0; $b = 0; |
| 1074 | $bits = 0; |
| 1075 | $len = strlen($str); |
| 1076 | for($i = 0; $i < $len; $i++) { |
| 1077 | $c = ord($str[$i]); |
| 1078 | if($c > 128) { |
| 1079 | if(($c >= 254)) { return false; } |
| 1080 | elseif($c >= 252) { $bits = 6; } |
| 1081 | elseif($c >= 248) { $bits = 5; } |
| 1082 | elseif($c >= 240) { $bits = 4; } |
| 1083 | elseif($c >= 224) { $bits = 3; } |
| 1084 | elseif($c >= 192) { $bits = 2; } |
| 1085 | else { return false; } |
| 1086 | if(($i + $bits) > $len) { return false; } |
| 1087 | while($bits > 1) { |
| 1088 | $i++; |
| 1089 | $b = ord($str[$i]); |
| 1090 | if($b < 128 || $b > 191) { return false; } |
| 1091 | $bits--; |
| 1092 | } |
| 1093 | } |
| 1094 | } |
| 1095 | return true; |
| 1096 | } |
| 1097 | |
| 1098 | function get_display_size() |
| 1099 | { |
| 1100 | global $debug_object; |
| 1101 | |
| 1102 | $width = -1; |
| 1103 | $height = -1; |
| 1104 | |
| 1105 | if ($this->tag !== 'img') { |
| 1106 | return false; |
| 1107 | } |
| 1108 | |
| 1109 | // See if there is aheight or width attribute in the tag itself. |
| 1110 | if (isset($this->attr['width'])) { |
| 1111 | $width = $this->attr['width']; |
| 1112 | } |
| 1113 | |
| 1114 | if (isset($this->attr['height'])) { |
| 1115 | $height = $this->attr['height']; |
| 1116 | } |
| 1117 | |
| 1118 | // Now look for an inline style. |
| 1119 | if (isset($this->attr['style'])) { |
| 1120 | // Thanks to user gnarf from stackoverflow for this regular expression. |
| 1121 | $attributes = array(); |
| 1122 | |
| 1123 | preg_match_all( |
| 1124 | '/([\w-]+)\s*:\s*([^;]+)\s*;?/', |
| 1125 | $this->attr['style'], |
| 1126 | $matches, |
| 1127 | PREG_SET_ORDER |
| 1128 | ); |
| 1129 | |
| 1130 | foreach ($matches as $match) { |
| 1131 | $attributes[$match[1]] = $match[2]; |
| 1132 | } |
| 1133 | |
| 1134 | // If there is a width in the style attributes: |
| 1135 | if (isset($attributes['width']) && $width == -1) { |
| 1136 | // check that the last two characters are px (pixels) |
| 1137 | if (strtolower(substr($attributes['width'], -2)) === 'px') { |
| 1138 | $proposed_width = substr($attributes['width'], 0, -2); |
| 1139 | // Now make sure that it's an integer and not something stupid. |
| 1140 | if (filter_var($proposed_width, FILTER_VALIDATE_INT)) { |
| 1141 | $width = $proposed_width; |
| 1142 | } |
| 1143 | } |
| 1144 | } |
| 1145 | |
| 1146 | // If there is a width in the style attributes: |
| 1147 | if (isset($attributes['height']) && $height == -1) { |
| 1148 | // check that the last two characters are px (pixels) |
| 1149 | if (strtolower(substr($attributes['height'], -2)) == 'px') { |
| 1150 | $proposed_height = substr($attributes['height'], 0, -2); |
| 1151 | // Now make sure that it's an integer and not something stupid. |
| 1152 | if (filter_var($proposed_height, FILTER_VALIDATE_INT)) { |
| 1153 | $height = $proposed_height; |
| 1154 | } |
| 1155 | } |
| 1156 | } |
| 1157 | |
| 1158 | } |
| 1159 | |
| 1160 | // Future enhancement: |
| 1161 | // Look in the tag to see if there is a class or id specified that has |
| 1162 | // a height or width attribute to it. |
| 1163 | |
| 1164 | // Far future enhancement |
| 1165 | // Look at all the parent tags of this image to see if they specify a |
| 1166 | // class or id that has an img selector that specifies a height or width |
| 1167 | // Note that in this case, the class or id will have the img subselector |
| 1168 | // for it to apply to the image. |
| 1169 | |
| 1170 | // ridiculously far future development |
| 1171 | // If the class or id is specified in a SEPARATE css file thats not on |
| 1172 | // the page, go get it and do what we were just doing for the ones on |
| 1173 | // the page. |
| 1174 | |
| 1175 | $result = array( |
| 1176 | 'height' => $height, |
| 1177 | 'width' => $width |
| 1178 | ); |
| 1179 | |
| 1180 | return $result; |
| 1181 | } |
| 1182 | |
| 1183 | function save($filepath = '') |
| 1184 | { |
| 1185 | $ret = $this->outertext(); |
| 1186 | |
| 1187 | if ($filepath !== '') { |
| 1188 | file_put_contents($filepath, $ret, LOCK_EX); |
| 1189 | } |
| 1190 | |
| 1191 | return $ret; |
| 1192 | } |
| 1193 | |
| 1194 | function addClass($class) |
| 1195 | { |
| 1196 | if (is_string($class)) { |
| 1197 | $class = explode(' ', $class); |
| 1198 | } |
| 1199 | |
| 1200 | if (is_array($class)) { |
| 1201 | foreach($class as $c) { |
| 1202 | if (isset($this->class)) { |
| 1203 | if ($this->hasClass($c)) { |
| 1204 | continue; |
| 1205 | } else { |
| 1206 | $this->class .= ' ' . $c; |
| 1207 | } |
| 1208 | } else { |
| 1209 | $this->class = $c; |
| 1210 | } |
| 1211 | } |
| 1212 | } else { |
| 1213 | if (is_object($debug_object)) { |
| 1214 | $debug_object->debug_log(2, 'Invalid type: ', gettype($class)); |
| 1215 | } |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | function hasClass($class) |
| 1220 | { |
| 1221 | if (is_string($class)) { |
| 1222 | if (isset($this->class)) { |
| 1223 | return in_array($class, explode(' ', $this->class), true); |
| 1224 | } |
| 1225 | } else { |
| 1226 | if (is_object($debug_object)) { |
| 1227 | $debug_object->debug_log(2, 'Invalid type: ', gettype($class)); |
| 1228 | } |
| 1229 | } |
| 1230 | |
| 1231 | return false; |
| 1232 | } |
| 1233 | |
| 1234 | function removeClass($class = null) |
| 1235 | { |
| 1236 | if (!isset($this->class)) { |
| 1237 | return; |
| 1238 | } |
| 1239 | |
| 1240 | if (is_null($class)) { |
| 1241 | $this->removeAttribute('class'); |
| 1242 | return; |
| 1243 | } |
| 1244 | |
| 1245 | if (is_string($class)) { |
| 1246 | $class = explode(' ', $class); |
| 1247 | } |
| 1248 | |
| 1249 | if (is_array($class)) { |
| 1250 | $class = array_diff(explode(' ', $this->class), $class); |
| 1251 | if (empty($class)) { |
| 1252 | $this->removeAttribute('class'); |
| 1253 | } else { |
| 1254 | $this->class = implode(' ', $class); |
| 1255 | } |
| 1256 | } |
| 1257 | } |
| 1258 | |
| 1259 | function getAllAttributes() |
| 1260 | { |
| 1261 | return $this->attr; |
| 1262 | } |
| 1263 | |
| 1264 | function getAttribute($name) |
| 1265 | { |
| 1266 | return $this->__get($name); |
| 1267 | } |
| 1268 | |
| 1269 | function setAttribute($name, $value) |
| 1270 | { |
| 1271 | $this->__set($name, $value); |
| 1272 | } |
| 1273 | |
| 1274 | function hasAttribute($name) |
| 1275 | { |
| 1276 | return $this->__isset($name); |
| 1277 | } |
| 1278 | |
| 1279 | function removeAttribute($name) |
| 1280 | { |
| 1281 | $this->__set($name, null); |
| 1282 | } |
| 1283 | |
| 1284 | function remove() |
| 1285 | { |
| 1286 | if ($this->parent) { |
| 1287 | $this->parent->removeChild($this); |
| 1288 | } |
| 1289 | } |
| 1290 | |
| 1291 | function removeChild($node) |
| 1292 | { |
| 1293 | $nidx = array_search($node, $this->nodes, true); |
| 1294 | $cidx = array_search($node, $this->children, true); |
| 1295 | $didx = array_search($node, $this->dom->nodes, true); |
| 1296 | |
| 1297 | if ($nidx !== false && $cidx !== false && $didx !== false) { |
| 1298 | |
| 1299 | foreach($node->children as $child) { |
| 1300 | $node->removeChild($child); |
| 1301 | } |
| 1302 | |
| 1303 | foreach($node->nodes as $entity) { |
| 1304 | $enidx = array_search($entity, $node->nodes, true); |
| 1305 | $edidx = array_search($entity, $node->dom->nodes, true); |
| 1306 | |
| 1307 | if ($enidx !== false && $edidx !== false) { |
| 1308 | unset($node->nodes[$enidx]); |
| 1309 | unset($node->dom->nodes[$edidx]); |
| 1310 | } |
| 1311 | } |
| 1312 | |
| 1313 | unset($this->nodes[$nidx]); |
| 1314 | unset($this->children[$cidx]); |
| 1315 | unset($this->dom->nodes[$didx]); |
| 1316 | |
| 1317 | $node->clear(); |
| 1318 | |
| 1319 | } |
| 1320 | } |
| 1321 | |
| 1322 | function getElementById($id) |
| 1323 | { |
| 1324 | return $this->find("#$id", 0); |
| 1325 | } |
| 1326 | |
| 1327 | function getElementsById($id, $idx = null) |
| 1328 | { |
| 1329 | return $this->find("#$id", $idx); |
| 1330 | } |
| 1331 | |
| 1332 | function getElementByTagName($name) |
| 1333 | { |
| 1334 | return $this->find($name, 0); |
| 1335 | } |
| 1336 | |
| 1337 | function getElementsByTagName($name, $idx = null) |
| 1338 | { |
| 1339 | return $this->find($name, $idx); |
| 1340 | } |
| 1341 | |
| 1342 | function parentNode() |
| 1343 | { |
| 1344 | return $this->parent(); |
| 1345 | } |
| 1346 | |
| 1347 | function childNodes($idx = -1) |
| 1348 | { |
| 1349 | return $this->children($idx); |
| 1350 | } |
| 1351 | |
| 1352 | function firstChild() |
| 1353 | { |
| 1354 | return $this->first_child(); |
| 1355 | } |
| 1356 | |
| 1357 | function lastChild() |
| 1358 | { |
| 1359 | return $this->last_child(); |
| 1360 | } |
| 1361 | |
| 1362 | function nextSibling() |
| 1363 | { |
| 1364 | return $this->next_sibling(); |
| 1365 | } |
| 1366 | |
| 1367 | function previousSibling() |
| 1368 | { |
| 1369 | return $this->prev_sibling(); |
| 1370 | } |
| 1371 | |
| 1372 | function hasChildNodes() |
| 1373 | { |
| 1374 | return $this->has_child(); |
| 1375 | } |
| 1376 | |
| 1377 | function nodeName() |
| 1378 | { |
| 1379 | return $this->tag; |
| 1380 | } |
| 1381 | |
| 1382 | function appendChild($node) |
| 1383 | { |
| 1384 | $node->parent($this); |
| 1385 | return $node; |
| 1386 | } |
| 1387 | |
| 1388 | } |
| 1389 | |
| 1390 | class simple_html_dom |
| 1391 | { |
| 1392 | public $root = null; |
| 1393 | public $nodes = array(); |
| 1394 | public $callback = null; |
| 1395 | public $lowercase = false; |
| 1396 | public $original_size; |
| 1397 | public $size; |
| 1398 | |
| 1399 | protected $pos; |
| 1400 | protected $doc; |
| 1401 | protected $char; |
| 1402 | |
| 1403 | protected $cursor; |
| 1404 | protected $parent; |
| 1405 | protected $noise = array(); |
| 1406 | protected $token_blank = " \t\r\n"; |
| 1407 | protected $token_equal = ' =/>'; |
| 1408 | protected $token_slash = " />\r\n\t"; |
| 1409 | protected $token_attr = ' >'; |
| 1410 | |
| 1411 | public $_charset = ''; |
| 1412 | public $_target_charset = ''; |
| 1413 | |
| 1414 | protected $default_br_text = ''; |
| 1415 | |
| 1416 | public $default_span_text = ''; |
| 1417 | |
| 1418 | protected $self_closing_tags = array( |
| 1419 | 'area' => 1, |
| 1420 | 'base' => 1, |
| 1421 | 'br' => 1, |
| 1422 | 'col' => 1, |
| 1423 | 'embed' => 1, |
| 1424 | 'hr' => 1, |
| 1425 | 'img' => 1, |
| 1426 | 'input' => 1, |
| 1427 | 'link' => 1, |
| 1428 | 'meta' => 1, |
| 1429 | 'param' => 1, |
| 1430 | 'source' => 1, |
| 1431 | 'track' => 1, |
| 1432 | 'wbr' => 1 |
| 1433 | ); |
| 1434 | protected $block_tags = array( |
| 1435 | 'body' => 1, |
| 1436 | 'div' => 1, |
| 1437 | 'form' => 1, |
| 1438 | 'root' => 1, |
| 1439 | 'span' => 1, |
| 1440 | 'table' => 1 |
| 1441 | ); |
| 1442 | protected $optional_closing_tags = array( |
| 1443 | // Not optional, see |
| 1444 | // https://www.w3.org/TR/html/textlevel-semantics.html#the-b-element |
| 1445 | 'b' => array('b' => 1), |
| 1446 | 'dd' => array('dd' => 1, 'dt' => 1), |
| 1447 | // Not optional, see |
| 1448 | // https://www.w3.org/TR/html/grouping-content.html#the-dl-element |
| 1449 | 'dl' => array('dd' => 1, 'dt' => 1), |
| 1450 | 'dt' => array('dd' => 1, 'dt' => 1), |
| 1451 | 'li' => array('li' => 1), |
| 1452 | 'optgroup' => array('optgroup' => 1, 'option' => 1), |
| 1453 | 'option' => array('optgroup' => 1, 'option' => 1), |
| 1454 | 'p' => array('p' => 1), |
| 1455 | 'rp' => array('rp' => 1, 'rt' => 1), |
| 1456 | 'rt' => array('rp' => 1, 'rt' => 1), |
| 1457 | 'td' => array('td' => 1, 'th' => 1), |
| 1458 | 'th' => array('td' => 1, 'th' => 1), |
| 1459 | 'tr' => array('td' => 1, 'th' => 1, 'tr' => 1), |
| 1460 | ); |
| 1461 | |
| 1462 | function __construct( |
| 1463 | $str = null, |
| 1464 | $lowercase = true, |
| 1465 | $forceTagsClosed = true, |
| 1466 | $target_charset = DEFAULT_TARGET_CHARSET, |
| 1467 | $stripRN = true, |
| 1468 | $defaultBRText = DEFAULT_BR_TEXT, |
| 1469 | $defaultSpanText = DEFAULT_SPAN_TEXT, |
| 1470 | $options = 0) |
| 1471 | { |
| 1472 | if ($str) { |
| 1473 | if (preg_match('/^http:\/\//i', $str) || is_file($str)) { |
| 1474 | $this->load_file($str); |
| 1475 | } else { |
| 1476 | $this->load( |
| 1477 | $str, |
| 1478 | $lowercase, |
| 1479 | $stripRN, |
| 1480 | $defaultBRText, |
| 1481 | $defaultSpanText, |
| 1482 | $options |
| 1483 | ); |
| 1484 | } |
| 1485 | } |
| 1486 | // Forcing tags to be closed implies that we don't trust the html, but |
| 1487 | // it can lead to parsing errors if we SHOULD trust the html. |
| 1488 | if (!$forceTagsClosed) { |
| 1489 | $this->optional_closing_array = array(); |
| 1490 | } |
| 1491 | |
| 1492 | $this->_target_charset = $target_charset; |
| 1493 | } |
| 1494 | |
| 1495 | function __destruct() |
| 1496 | { |
| 1497 | $this->clear(); |
| 1498 | } |
| 1499 | |
| 1500 | function load( |
| 1501 | $str, |
| 1502 | $lowercase = true, |
| 1503 | $stripRN = true, |
| 1504 | $defaultBRText = DEFAULT_BR_TEXT, |
| 1505 | $defaultSpanText = DEFAULT_SPAN_TEXT, |
| 1506 | $options = 0) |
| 1507 | { |
| 1508 | global $debug_object; |
| 1509 | |
| 1510 | // prepare |
| 1511 | $this->prepare($str, $lowercase, $defaultBRText, $defaultSpanText); |
| 1512 | |
| 1513 | // Per sourceforge http://sourceforge.net/tracker/?func=detail&aid=2949097&group_id=218559&atid=1044037 |
| 1514 | // Script tags removal now preceeds style tag removal. |
| 1515 | // strip out <script> tags |
| 1516 | $this->remove_noise("'<\s*script[^>]*[^/]>(.*?)<\s*/\s*script\s*>'is"); |
| 1517 | $this->remove_noise("'<\s*script\s*>(.*?)<\s*/\s*script\s*>'is"); |
| 1518 | |
| 1519 | // strip out the \r \n's if we are told to. |
| 1520 | if ($stripRN) { |
| 1521 | $this->doc = str_replace("\r", ' ', $this->doc); |
| 1522 | $this->doc = str_replace("\n", ' ', $this->doc); |
| 1523 | |
| 1524 | // set the length of content since we have changed it. |
| 1525 | $this->size = strlen($this->doc); |
| 1526 | } |
| 1527 | |
| 1528 | // strip out cdata |
| 1529 | $this->remove_noise("'<!\[CDATA\[(.*?)\]\]>'is", true); |
| 1530 | // strip out comments |
| 1531 | $this->remove_noise("'<!--(.*?)-->'is"); |
| 1532 | // strip out <style> tags |
| 1533 | $this->remove_noise("'<\s*style[^>]*[^/]>(.*?)<\s*/\s*style\s*>'is"); |
| 1534 | $this->remove_noise("'<\s*style\s*>(.*?)<\s*/\s*style\s*>'is"); |
| 1535 | // strip out preformatted tags |
| 1536 | $this->remove_noise("'<\s*(?:code)[^>]*>(.*?)<\s*/\s*(?:code)\s*>'is"); |
| 1537 | // strip out server side scripts |
| 1538 | $this->remove_noise("'(<\?)(.*?)(\?>)'s", true); |
| 1539 | |
| 1540 | if($options & HDOM_SMARTY_AS_TEXT) { // Strip Smarty scripts |
| 1541 | $this->remove_noise("'(\{\w)(.*?)(\})'s", true); |
| 1542 | } |
| 1543 | |
| 1544 | // parsing |
| 1545 | $this->parse(); |
| 1546 | // end |
| 1547 | $this->root->_[HDOM_INFO_END] = $this->cursor; |
| 1548 | $this->parse_charset(); |
| 1549 | |
| 1550 | // make load function chainable |
| 1551 | return $this; |
| 1552 | } |
| 1553 | |
| 1554 | function load_file() |
| 1555 | { |
| 1556 | $args = func_get_args(); |
| 1557 | |
| 1558 | if(($doc = call_user_func_array('file_get_contents', $args)) !== false) { |
| 1559 | $this->load($doc, true); |
| 1560 | } else { |
| 1561 | return false; |
| 1562 | } |
| 1563 | } |
| 1564 | |
| 1565 | function set_callback($function_name) |
| 1566 | { |
| 1567 | $this->callback = $function_name; |
| 1568 | } |
| 1569 | |
| 1570 | function remove_callback() |
| 1571 | { |
| 1572 | $this->callback = null; |
| 1573 | } |
| 1574 | |
| 1575 | function save($filepath = '') |
| 1576 | { |
| 1577 | $ret = $this->root->innertext(); |
| 1578 | if ($filepath !== '') { file_put_contents($filepath, $ret, LOCK_EX); } |
| 1579 | return $ret; |
| 1580 | } |
| 1581 | |
| 1582 | function find($selector, $idx = null, $lowercase = false) |
| 1583 | { |
| 1584 | return $this->root->find($selector, $idx, $lowercase); |
| 1585 | } |
| 1586 | |
| 1587 | function clear() |
| 1588 | { |
| 1589 | if (isset($this->nodes)) { |
| 1590 | foreach ($this->nodes as $n) { |
| 1591 | $n->clear(); |
| 1592 | $n = null; |
| 1593 | } |
| 1594 | } |
| 1595 | |
| 1596 | // This add next line is documented in the sourceforge repository. |
| 1597 | // 2977248 as a fix for ongoing memory leaks that occur even with the |
| 1598 | // use of clear. |
| 1599 | if (isset($this->children)) { |
| 1600 | foreach ($this->children as $n) { |
| 1601 | $n->clear(); |
| 1602 | $n = null; |
| 1603 | } |
| 1604 | } |
| 1605 | |
| 1606 | if (isset($this->parent)) { |
| 1607 | $this->parent->clear(); |
| 1608 | unset($this->parent); |
| 1609 | } |
| 1610 | |
| 1611 | if (isset($this->root)) { |
| 1612 | $this->root->clear(); |
| 1613 | unset($this->root); |
| 1614 | } |
| 1615 | |
| 1616 | unset($this->doc); |
| 1617 | unset($this->noise); |
| 1618 | } |
| 1619 | |
| 1620 | function dump($show_attr = true) |
| 1621 | { |
| 1622 | $this->root->dump($show_attr); |
| 1623 | } |
| 1624 | |
| 1625 | protected function prepare( |
| 1626 | $str, $lowercase = true, |
| 1627 | $defaultBRText = DEFAULT_BR_TEXT, |
| 1628 | $defaultSpanText = DEFAULT_SPAN_TEXT) |
| 1629 | { |
| 1630 | $this->clear(); |
| 1631 | |
| 1632 | $this->doc = trim($str); |
| 1633 | $this->size = strlen($this->doc); |
| 1634 | $this->original_size = $this->size; // original size of the html |
| 1635 | $this->pos = 0; |
| 1636 | $this->cursor = 1; |
| 1637 | $this->noise = array(); |
| 1638 | $this->nodes = array(); |
| 1639 | $this->lowercase = $lowercase; |
| 1640 | $this->default_br_text = $defaultBRText; |
| 1641 | $this->default_span_text = $defaultSpanText; |
| 1642 | $this->root = new simple_html_dom_node($this); |
| 1643 | $this->root->tag = 'root'; |
| 1644 | $this->root->_[HDOM_INFO_BEGIN] = -1; |
| 1645 | $this->root->nodetype = HDOM_TYPE_ROOT; |
| 1646 | $this->parent = $this->root; |
| 1647 | if ($this->size > 0) { $this->char = $this->doc[0]; } |
| 1648 | } |
| 1649 | |
| 1650 | protected function parse() |
| 1651 | { |
| 1652 | while (true) { |
| 1653 | // Read next tag if there is no text between current position and the |
| 1654 | // next opening tag. |
| 1655 | if (($s = $this->copy_until_char('<')) === '') { |
| 1656 | if($this->read_tag()) { |
| 1657 | continue; |
| 1658 | } else { |
| 1659 | return true; |
| 1660 | } |
| 1661 | } |
| 1662 | |
| 1663 | // Add a text node for text between tags |
| 1664 | $node = new simple_html_dom_node($this); |
| 1665 | ++$this->cursor; |
| 1666 | $node->_[HDOM_INFO_TEXT] = $s; |
| 1667 | $this->link_nodes($node, false); |
| 1668 | } |
| 1669 | } |
| 1670 | |
| 1671 | protected function parse_charset() |
| 1672 | { |
| 1673 | global $debug_object; |
| 1674 | |
| 1675 | $charset = null; |
| 1676 | |
| 1677 | if (function_exists('get_last_retrieve_url_contents_content_type')) { |
| 1678 | $contentTypeHeader = get_last_retrieve_url_contents_content_type(); |
| 1679 | $success = preg_match('/charset=(.+)/', $contentTypeHeader, $matches); |
| 1680 | if ($success) { |
| 1681 | $charset = $matches[1]; |
| 1682 | if (is_object($debug_object)) { |
| 1683 | $debug_object->debug_log(2, |
| 1684 | 'header content-type found charset of: ' |
| 1685 | . $charset |
| 1686 | ); |
| 1687 | } |
| 1688 | } |
| 1689 | } |
| 1690 | |
| 1691 | if (empty($charset)) { |
| 1692 | // https://www.w3.org/TR/html/document-metadata.html#statedef-http-equiv-content-type |
| 1693 | $el = $this->root->find('meta[http-equiv=Content-Type]', 0, true); |
| 1694 | |
| 1695 | if (!empty($el)) { |
| 1696 | $fullvalue = $el->content; |
| 1697 | if (is_object($debug_object)) { |
| 1698 | $debug_object->debug_log(2, |
| 1699 | 'meta content-type tag found' |
| 1700 | . $fullvalue |
| 1701 | ); |
| 1702 | } |
| 1703 | |
| 1704 | if (!empty($fullvalue)) { |
| 1705 | $success = preg_match( |
| 1706 | '/charset=(.+)/i', |
| 1707 | $fullvalue, |
| 1708 | $matches |
| 1709 | ); |
| 1710 | |
| 1711 | if ($success) { |
| 1712 | $charset = $matches[1]; |
| 1713 | } else { |
| 1714 | // If there is a meta tag, and they don't specify the |
| 1715 | // character set, research says that it's typically |
| 1716 | // ISO-8859-1 |
| 1717 | if (is_object($debug_object)) { |
| 1718 | $debug_object->debug_log(2, |
| 1719 | 'meta content-type tag couldn\'t be parsed. using iso-8859 default.' |
| 1720 | ); |
| 1721 | } |
| 1722 | |
| 1723 | $charset = 'ISO-8859-1'; |
| 1724 | } |
| 1725 | } |
| 1726 | } |
| 1727 | } |
| 1728 | |
| 1729 | if (empty($charset)) { |
| 1730 | // https://www.w3.org/TR/html/document-metadata.html#character-encoding-declaration |
| 1731 | if ($meta = $this->root->find('meta[charset]', 0)) { |
| 1732 | $charset = $meta->charset; |
| 1733 | if (is_object($debug_object)) { |
| 1734 | $debug_object->debug_log(2, 'meta charset: ' . $charset); |
| 1735 | } |
| 1736 | } |
| 1737 | } |
| 1738 | |
| 1739 | if (empty($charset)) { |
| 1740 | // Try to guess the charset based on the content |
| 1741 | // Requires Multibyte String (mbstring) support (optional) |
| 1742 | if (function_exists('mb_detect_encoding')) { |
| 1743 | /** |
| 1744 | * mb_detect_encoding() is not intended to distinguish between |
| 1745 | * charsets, especially single-byte charsets. Its primary |
| 1746 | * purpose is to detect which multibyte encoding is in use, |
| 1747 | * i.e. UTF-8, UTF-16, shift-JIS, etc. |
| 1748 | * |
| 1749 | * -- https://bugs.php.net/bug.php?id=38138 |
| 1750 | * |
| 1751 | * Adding both CP1251/ISO-8859-5 and CP1252/ISO-8859-1 will |
| 1752 | * always result in CP1251/ISO-8859-5 and vice versa. |
| 1753 | * |
| 1754 | * Thus, only detect if it's either UTF-8 or CP1252/ISO-8859-1 |
| 1755 | * to stay compatible. |
| 1756 | */ |
| 1757 | $encoding = mb_detect_encoding( |
| 1758 | $this->doc, |
| 1759 | array( 'UTF-8', 'CP1252', 'ISO-8859-1' ) |
| 1760 | ); |
| 1761 | |
| 1762 | if ($encoding === 'CP1252' || $encoding === 'ISO-8859-1') { |
| 1763 | // Due to a limitation of mb_detect_encoding |
| 1764 | // 'CP1251'/'ISO-8859-5' will be detected as |
| 1765 | // 'CP1252'/'ISO-8859-1'. This will cause iconv to fail, in |
| 1766 | // which case we can simply assume it is the other charset. |
| 1767 | if (!@iconv('CP1252', 'UTF-8', $this->doc)) { |
| 1768 | $encoding = 'CP1251'; |
| 1769 | } |
| 1770 | } |
| 1771 | |
| 1772 | if ($encoding !== false) { |
| 1773 | $charset = $encoding; |
| 1774 | if (is_object($debug_object)) { |
| 1775 | $debug_object->debug_log(2, 'mb_detect: ' . $charset); |
| 1776 | } |
| 1777 | } |
| 1778 | } |
| 1779 | } |
| 1780 | |
| 1781 | if (empty($charset)) { |
| 1782 | // Assume it's UTF-8 as it is the most likely charset to be used |
| 1783 | $charset = 'UTF-8'; |
| 1784 | if (is_object($debug_object)) { |
| 1785 | $debug_object->debug_log(2, 'No match found, assume ' . $charset); |
| 1786 | } |
| 1787 | } |
| 1788 | |
| 1789 | // Since CP1252 is a superset, if we get one of it's subsets, we want |
| 1790 | // it instead. |
| 1791 | if ((strtolower($charset) == 'iso-8859-1') |
| 1792 | || (strtolower($charset) == 'latin1') |
| 1793 | || (strtolower($charset) == 'latin-1')) { |
| 1794 | $charset = 'CP1252'; |
| 1795 | if (is_object($debug_object)) { |
| 1796 | $debug_object->debug_log(2, |
| 1797 | 'replacing ' . $charset . ' with CP1252 as its a superset' |
| 1798 | ); |
| 1799 | } |
| 1800 | } |
| 1801 | |
| 1802 | if (is_object($debug_object)) { |
| 1803 | $debug_object->debug_log(1, 'EXIT - ' . $charset); |
| 1804 | } |
| 1805 | |
| 1806 | return $this->_charset = $charset; |
| 1807 | } |
| 1808 | |
| 1809 | protected function read_tag() |
| 1810 | { |
| 1811 | // Set end position if no further tags found |
| 1812 | if ($this->char !== '<') { |
| 1813 | $this->root->_[HDOM_INFO_END] = $this->cursor; |
| 1814 | return false; |
| 1815 | } |
| 1816 | |
| 1817 | $begin_tag_pos = $this->pos; |
| 1818 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 1819 | |
| 1820 | // end tag |
| 1821 | if ($this->char === '/') { |
| 1822 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 1823 | |
| 1824 | // Skip whitespace in end tags (i.e. in "</ html>") |
| 1825 | $this->skip($this->token_blank); |
| 1826 | $tag = $this->copy_until_char('>'); |
| 1827 | |
| 1828 | // Skip attributes in end tags |
| 1829 | if (($pos = strpos($tag, ' ')) !== false) { |
| 1830 | $tag = substr($tag, 0, $pos); |
| 1831 | } |
| 1832 | |
| 1833 | $parent_lower = strtolower($this->parent->tag); |
| 1834 | $tag_lower = strtolower($tag); |
| 1835 | |
| 1836 | // The end tag is supposed to close the parent tag. Handle situations |
| 1837 | // when it doesn't |
| 1838 | if ($parent_lower !== $tag_lower) { |
| 1839 | // Parent tag does not have to be closed necessarily (optional closing tag) |
| 1840 | // Current tag is a block tag, so it may close an ancestor |
| 1841 | if (isset($this->optional_closing_tags[$parent_lower]) |
| 1842 | && isset($this->block_tags[$tag_lower])) { |
| 1843 | |
| 1844 | $this->parent->_[HDOM_INFO_END] = 0; |
| 1845 | $org_parent = $this->parent; |
| 1846 | |
| 1847 | // Traverse ancestors to find a matching opening tag |
| 1848 | // Stop at root node |
| 1849 | while (($this->parent->parent) |
| 1850 | && strtolower($this->parent->tag) !== $tag_lower |
| 1851 | ){ |
| 1852 | $this->parent = $this->parent->parent; |
| 1853 | } |
| 1854 | |
| 1855 | // If we don't have a match add current tag as text node |
| 1856 | if (strtolower($this->parent->tag) !== $tag_lower) { |
| 1857 | $this->parent = $org_parent; // restore origonal parent |
| 1858 | |
| 1859 | if ($this->parent->parent) { |
| 1860 | $this->parent = $this->parent->parent; |
| 1861 | } |
| 1862 | |
| 1863 | $this->parent->_[HDOM_INFO_END] = $this->cursor; |
| 1864 | return $this->as_text_node($tag); |
| 1865 | } |
| 1866 | } elseif (($this->parent->parent) |
| 1867 | && isset($this->block_tags[$tag_lower]) |
| 1868 | ) { |
| 1869 | // Grandparent exists and current tag is a block tag, so our |
| 1870 | // parent doesn't have an end tag |
| 1871 | $this->parent->_[HDOM_INFO_END] = 0; // No end tag |
| 1872 | $org_parent = $this->parent; |
| 1873 | |
| 1874 | // Traverse ancestors to find a matching opening tag |
| 1875 | // Stop at root node |
| 1876 | while (($this->parent->parent) |
| 1877 | && strtolower($this->parent->tag) !== $tag_lower |
| 1878 | ) { |
| 1879 | $this->parent = $this->parent->parent; |
| 1880 | } |
| 1881 | |
| 1882 | // If we don't have a match add current tag as text node |
| 1883 | if (strtolower($this->parent->tag) !== $tag_lower) { |
| 1884 | $this->parent = $org_parent; // restore origonal parent |
| 1885 | $this->parent->_[HDOM_INFO_END] = $this->cursor; |
| 1886 | return $this->as_text_node($tag); |
| 1887 | } |
| 1888 | } elseif (($this->parent->parent) |
| 1889 | && strtolower($this->parent->parent->tag) === $tag_lower |
| 1890 | ) { // Grandparent exists and current tag closes it |
| 1891 | $this->parent->_[HDOM_INFO_END] = 0; |
| 1892 | $this->parent = $this->parent->parent; |
| 1893 | } else { // Random tag, add as text node |
| 1894 | return $this->as_text_node($tag); |
| 1895 | } |
| 1896 | } |
| 1897 | |
| 1898 | // Set end position of parent tag to current cursor position |
| 1899 | $this->parent->_[HDOM_INFO_END] = $this->cursor; |
| 1900 | |
| 1901 | if ($this->parent->parent) { |
| 1902 | $this->parent = $this->parent->parent; |
| 1903 | } |
| 1904 | |
| 1905 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 1906 | return true; |
| 1907 | } |
| 1908 | |
| 1909 | // start tag |
| 1910 | $node = new simple_html_dom_node($this); |
| 1911 | $node->_[HDOM_INFO_BEGIN] = $this->cursor; |
| 1912 | ++$this->cursor; |
| 1913 | $tag = $this->copy_until($this->token_slash); // Get tag name |
| 1914 | $node->tag_start = $begin_tag_pos; |
| 1915 | |
| 1916 | // doctype, cdata & comments... |
| 1917 | // <!DOCTYPE html> |
| 1918 | // <![CDATA[ ... ]]> |
| 1919 | // <!-- Comment --> |
| 1920 | if (isset($tag[0]) && $tag[0] === '!') { |
| 1921 | $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until_char('>'); |
| 1922 | |
| 1923 | if (isset($tag[2]) && $tag[1] === '-' && $tag[2] === '-') { // Comment ("<!--") |
| 1924 | $node->nodetype = HDOM_TYPE_COMMENT; |
| 1925 | $node->tag = 'comment'; |
| 1926 | } else { // Could be doctype or CDATA but we don't care |
| 1927 | $node->nodetype = HDOM_TYPE_UNKNOWN; |
| 1928 | $node->tag = 'unknown'; |
| 1929 | } |
| 1930 | |
| 1931 | if ($this->char === '>') { $node->_[HDOM_INFO_TEXT] .= '>'; } |
| 1932 | |
| 1933 | $this->link_nodes($node, true); |
| 1934 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 1935 | return true; |
| 1936 | } |
| 1937 | |
| 1938 | // The start tag cannot contain another start tag, if so add as text |
| 1939 | // i.e. "<<html>" |
| 1940 | if ($pos = strpos($tag, '<') !== false) { |
| 1941 | $tag = '<' . substr($tag, 0, -1); |
| 1942 | $node->_[HDOM_INFO_TEXT] = $tag; |
| 1943 | $this->link_nodes($node, false); |
| 1944 | $this->char = $this->doc[--$this->pos]; // prev |
| 1945 | return true; |
| 1946 | } |
| 1947 | |
| 1948 | // Handle invalid tag names (i.e. "<html#doc>") |
| 1949 | if (!preg_match('/^\w[\w:-]*$/', $tag)) { |
| 1950 | $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until('<>'); |
| 1951 | |
| 1952 | // Next char is the beginning of a new tag, don't touch it. |
| 1953 | if ($this->char === '<') { |
| 1954 | $this->link_nodes($node, false); |
| 1955 | return true; |
| 1956 | } |
| 1957 | |
| 1958 | // Next char closes current tag, add and be done with it. |
| 1959 | if ($this->char === '>') { $node->_[HDOM_INFO_TEXT] .= '>'; } |
| 1960 | $this->link_nodes($node, false); |
| 1961 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 1962 | return true; |
| 1963 | } |
| 1964 | |
| 1965 | // begin tag, add new node |
| 1966 | $node->nodetype = HDOM_TYPE_ELEMENT; |
| 1967 | $tag_lower = strtolower($tag); |
| 1968 | $node->tag = ($this->lowercase) ? $tag_lower : $tag; |
| 1969 | |
| 1970 | // handle optional closing tags |
| 1971 | if (isset($this->optional_closing_tags[$tag_lower])) { |
| 1972 | // Traverse ancestors to close all optional closing tags |
| 1973 | while (isset($this->optional_closing_tags[$tag_lower][strtolower($this->parent->tag)])) { |
| 1974 | $this->parent->_[HDOM_INFO_END] = 0; |
| 1975 | $this->parent = $this->parent->parent; |
| 1976 | } |
| 1977 | $node->parent = $this->parent; |
| 1978 | } |
| 1979 | |
| 1980 | $guard = 0; // prevent infinity loop |
| 1981 | |
| 1982 | // [0] Space between tag and first attribute |
| 1983 | $space = array($this->copy_skip($this->token_blank), '', ''); |
| 1984 | |
| 1985 | // attributes |
| 1986 | do { |
| 1987 | // Everything until the first equal sign should be the attribute name |
| 1988 | $name = $this->copy_until($this->token_equal); |
| 1989 | |
| 1990 | if ($name === '' && $this->char !== null && $space[0] === '') { |
| 1991 | break; |
| 1992 | } |
| 1993 | |
| 1994 | if ($guard === $this->pos) { // Escape infinite loop |
| 1995 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 1996 | continue; |
| 1997 | } |
| 1998 | |
| 1999 | $guard = $this->pos; |
| 2000 | |
| 2001 | // handle endless '<' |
| 2002 | // Out of bounds before the tag ended |
| 2003 | if ($this->pos >= $this->size - 1 && $this->char !== '>') { |
| 2004 | $node->nodetype = HDOM_TYPE_TEXT; |
| 2005 | $node->_[HDOM_INFO_END] = 0; |
| 2006 | $node->_[HDOM_INFO_TEXT] = '<' . $tag . $space[0] . $name; |
| 2007 | $node->tag = 'text'; |
| 2008 | $this->link_nodes($node, false); |
| 2009 | return true; |
| 2010 | } |
| 2011 | |
| 2012 | // handle mismatch '<' |
| 2013 | // Attributes cannot start after opening tag |
| 2014 | if ($this->doc[$this->pos - 1] == '<') { |
| 2015 | $node->nodetype = HDOM_TYPE_TEXT; |
| 2016 | $node->tag = 'text'; |
| 2017 | $node->attr = array(); |
| 2018 | $node->_[HDOM_INFO_END] = 0; |
| 2019 | $node->_[HDOM_INFO_TEXT] = substr( |
| 2020 | $this->doc, |
| 2021 | $begin_tag_pos, |
| 2022 | $this->pos - $begin_tag_pos - 1 |
| 2023 | ); |
| 2024 | $this->pos -= 2; |
| 2025 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2026 | $this->link_nodes($node, false); |
| 2027 | return true; |
| 2028 | } |
| 2029 | |
| 2030 | if ($name !== '/' && $name !== '') { // this is a attribute name |
| 2031 | // [1] Whitespace after attribute name |
| 2032 | $space[1] = $this->copy_skip($this->token_blank); |
| 2033 | |
| 2034 | $name = $this->restore_noise($name); // might be a noisy name |
| 2035 | |
| 2036 | if ($this->lowercase) { $name = strtolower($name); } |
| 2037 | |
| 2038 | if ($this->char === '=') { // attribute with value |
| 2039 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2040 | $this->parse_attr($node, $name, $space); // get attribute value |
| 2041 | } else { |
| 2042 | //no value attr: nowrap, checked selected... |
| 2043 | $node->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_NO; |
| 2044 | $node->attr[$name] = true; |
| 2045 | if ($this->char != '>') { $this->char = $this->doc[--$this->pos]; } // prev |
| 2046 | } |
| 2047 | |
| 2048 | $node->_[HDOM_INFO_SPACE][] = $space; |
| 2049 | |
| 2050 | // prepare for next attribute |
| 2051 | $space = array( |
| 2052 | $this->copy_skip($this->token_blank), |
| 2053 | '', |
| 2054 | '' |
| 2055 | ); |
| 2056 | } else { // no more attributes |
| 2057 | break; |
| 2058 | } |
| 2059 | } while ($this->char !== '>' && $this->char !== '/'); // go until the tag ended |
| 2060 | |
| 2061 | $this->link_nodes($node, true); |
| 2062 | $node->_[HDOM_INFO_ENDSPACE] = $space[0]; |
| 2063 | |
| 2064 | // handle empty tags (i.e. "<div/>") |
| 2065 | if ($this->copy_until_char('>') === '/') { |
| 2066 | $node->_[HDOM_INFO_ENDSPACE] .= '/'; |
| 2067 | $node->_[HDOM_INFO_END] = 0; |
| 2068 | } else { |
| 2069 | // reset parent |
| 2070 | if (!isset($this->self_closing_tags[strtolower($node->tag)])) { |
| 2071 | $this->parent = $node; |
| 2072 | } |
| 2073 | } |
| 2074 | |
| 2075 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2076 | |
| 2077 | // If it's a BR tag, we need to set it's text to the default text. |
| 2078 | // This way when we see it in plaintext, we can generate formatting that the user wants. |
| 2079 | // since a br tag never has sub nodes, this works well. |
| 2080 | if ($node->tag === 'br') { |
| 2081 | $node->_[HDOM_INFO_INNER] = $this->default_br_text; |
| 2082 | } |
| 2083 | |
| 2084 | return true; |
| 2085 | } |
| 2086 | |
| 2087 | protected function parse_attr($node, $name, &$space) |
| 2088 | { |
| 2089 | $is_duplicate = isset($node->attr[$name]); |
| 2090 | |
| 2091 | if (!$is_duplicate) // Copy whitespace between "=" and value |
| 2092 | $space[2] = $this->copy_skip($this->token_blank); |
| 2093 | |
| 2094 | switch ($this->char) { |
| 2095 | case '"': |
| 2096 | $quote_type = HDOM_QUOTE_DOUBLE; |
| 2097 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2098 | $value = $this->copy_until_char('"'); |
| 2099 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2100 | break; |
| 2101 | case '\'': |
| 2102 | $quote_type = HDOM_QUOTE_SINGLE; |
| 2103 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2104 | $value = $this->copy_until_char('\''); |
| 2105 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2106 | break; |
| 2107 | default: |
| 2108 | $quote_type = HDOM_QUOTE_NO; |
| 2109 | $value = $this->copy_until($this->token_attr); |
| 2110 | } |
| 2111 | |
| 2112 | $value = $this->restore_noise($value); |
| 2113 | |
| 2114 | // PaperG: Attributes should not have \r or \n in them, that counts as |
| 2115 | // html whitespace. |
| 2116 | $value = str_replace("\r", '', $value); |
| 2117 | $value = str_replace("\n", '', $value); |
| 2118 | |
| 2119 | // PaperG: If this is a "class" selector, lets get rid of the preceeding |
| 2120 | // and trailing space since some people leave it in the multi class case. |
| 2121 | if ($name === 'class') { |
| 2122 | $value = trim($value); |
| 2123 | } |
| 2124 | |
| 2125 | if (!$is_duplicate) { |
| 2126 | $node->_[HDOM_INFO_QUOTE][] = $quote_type; |
| 2127 | $node->attr[$name] = $value; |
| 2128 | } |
| 2129 | } |
| 2130 | |
| 2131 | protected function link_nodes(&$node, $is_child) |
| 2132 | { |
| 2133 | $node->parent = $this->parent; |
| 2134 | $this->parent->nodes[] = $node; |
| 2135 | if ($is_child) { |
| 2136 | $this->parent->children[] = $node; |
| 2137 | } |
| 2138 | } |
| 2139 | |
| 2140 | protected function as_text_node($tag) |
| 2141 | { |
| 2142 | $node = new simple_html_dom_node($this); |
| 2143 | ++$this->cursor; |
| 2144 | $node->_[HDOM_INFO_TEXT] = '</' . $tag . '>'; |
| 2145 | $this->link_nodes($node, false); |
| 2146 | $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2147 | return true; |
| 2148 | } |
| 2149 | |
| 2150 | protected function skip($chars) |
| 2151 | { |
| 2152 | $this->pos += strspn($this->doc, $chars, $this->pos); |
| 2153 | $this->char = ($this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2154 | } |
| 2155 | |
| 2156 | protected function copy_skip($chars) |
| 2157 | { |
| 2158 | $pos = $this->pos; |
| 2159 | $len = strspn($this->doc, $chars, $pos); |
| 2160 | $this->pos += $len; |
| 2161 | $this->char = ($this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2162 | if ($len === 0) { return ''; } |
| 2163 | return substr($this->doc, $pos, $len); |
| 2164 | } |
| 2165 | |
| 2166 | protected function copy_until($chars) |
| 2167 | { |
| 2168 | $pos = $this->pos; |
| 2169 | $len = strcspn($this->doc, $chars, $pos); |
| 2170 | $this->pos += $len; |
| 2171 | $this->char = ($this->pos < $this->size) ? $this->doc[$this->pos] : null; // next |
| 2172 | return substr($this->doc, $pos, $len); |
| 2173 | } |
| 2174 | |
| 2175 | protected function copy_until_char($char) |
| 2176 | { |
| 2177 | if ($this->char === null) { return ''; } |
| 2178 | |
| 2179 | if (($pos = strpos($this->doc, $char, $this->pos)) === false) { |
| 2180 | $ret = substr($this->doc, $this->pos, $this->size - $this->pos); |
| 2181 | $this->char = null; |
| 2182 | $this->pos = $this->size; |
| 2183 | return $ret; |
| 2184 | } |
| 2185 | |
| 2186 | if ($pos === $this->pos) { return ''; } |
| 2187 | |
| 2188 | $pos_old = $this->pos; |
| 2189 | $this->char = $this->doc[$pos]; |
| 2190 | $this->pos = $pos; |
| 2191 | return substr($this->doc, $pos_old, $pos - $pos_old); |
| 2192 | } |
| 2193 | |
| 2194 | protected function remove_noise($pattern, $remove_tag = false) |
| 2195 | { |
| 2196 | global $debug_object; |
| 2197 | if (is_object($debug_object)) { $debug_object->debug_log_entry(1); } |
| 2198 | |
| 2199 | $count = preg_match_all( |
| 2200 | $pattern, |
| 2201 | $this->doc, |
| 2202 | $matches, |
| 2203 | PREG_SET_ORDER | PREG_OFFSET_CAPTURE |
| 2204 | ); |
| 2205 | |
| 2206 | for ($i = $count - 1; $i > -1; --$i) { |
| 2207 | $key = '___noise___' . sprintf('% 5d', count($this->noise) + 1000); |
| 2208 | |
| 2209 | if (is_object($debug_object)) { |
| 2210 | $debug_object->debug_log(2, 'key is: ' . $key); |
| 2211 | } |
| 2212 | |
| 2213 | $idx = ($remove_tag) ? 0 : 1; // 0 = entire match, 1 = submatch |
| 2214 | $this->noise[$key] = $matches[$i][$idx][0]; |
| 2215 | $this->doc = substr_replace($this->doc, $key, $matches[$i][$idx][1], strlen($matches[$i][$idx][0])); |
| 2216 | } |
| 2217 | |
| 2218 | // reset the length of content |
| 2219 | $this->size = strlen($this->doc); |
| 2220 | |
| 2221 | if ($this->size > 0) { |
| 2222 | $this->char = $this->doc[0]; |
| 2223 | } |
| 2224 | } |
| 2225 | |
| 2226 | function restore_noise($text) |
| 2227 | { |
| 2228 | global $debug_object; |
| 2229 | if (is_object($debug_object)) { $debug_object->debug_log_entry(1); } |
| 2230 | |
| 2231 | while (($pos = strpos($text, '___noise___')) !== false) { |
| 2232 | // Sometimes there is a broken piece of markup, and we don't GET the |
| 2233 | // pos+11 etc... token which indicates a problem outside of us... |
| 2234 | |
| 2235 | // todo: "___noise___1000" (or any number with four or more digits) |
| 2236 | // in the DOM causes an infinite loop which could be utilized by |
| 2237 | // malicious software |
| 2238 | if (strlen($text) > $pos + 15) { |
| 2239 | $key = '___noise___' |
| 2240 | . $text[$pos + 11] |
| 2241 | . $text[$pos + 12] |
| 2242 | . $text[$pos + 13] |
| 2243 | . $text[$pos + 14] |
| 2244 | . $text[$pos + 15]; |
| 2245 | |
| 2246 | if (is_object($debug_object)) { |
| 2247 | $debug_object->debug_log(2, 'located key of: ' . $key); |
| 2248 | } |
| 2249 | |
| 2250 | if (isset($this->noise[$key])) { |
| 2251 | $text = substr($text, 0, $pos) |
| 2252 | . $this->noise[$key] |
| 2253 | . substr($text, $pos + 16); |
| 2254 | } else { |
| 2255 | // do this to prevent an infinite loop. |
| 2256 | $text = substr($text, 0, $pos) |
| 2257 | . 'UNDEFINED NOISE FOR KEY: ' |
| 2258 | . $key |
| 2259 | . substr($text, $pos + 16); |
| 2260 | } |
| 2261 | } else { |
| 2262 | // There is no valid key being given back to us... We must get |
| 2263 | // rid of the ___noise___ or we will have a problem. |
| 2264 | $text = substr($text, 0, $pos) |
| 2265 | . 'NO NUMERIC NOISE KEY' |
| 2266 | . substr($text, $pos + 11); |
| 2267 | } |
| 2268 | } |
| 2269 | return $text; |
| 2270 | } |
| 2271 | |
| 2272 | function search_noise($text) |
| 2273 | { |
| 2274 | global $debug_object; |
| 2275 | if (is_object($debug_object)) { $debug_object->debug_log_entry(1); } |
| 2276 | |
| 2277 | foreach($this->noise as $noiseElement) { |
| 2278 | if (strpos($noiseElement, $text) !== false) { |
| 2279 | return $noiseElement; |
| 2280 | } |
| 2281 | } |
| 2282 | } |
| 2283 | |
| 2284 | function __toString() |
| 2285 | { |
| 2286 | return $this->root->innertext(); |
| 2287 | } |
| 2288 | |
| 2289 | function __get($name) |
| 2290 | { |
| 2291 | switch ($name) { |
| 2292 | case 'outertext': |
| 2293 | return $this->root->innertext(); |
| 2294 | case 'innertext': |
| 2295 | return $this->root->innertext(); |
| 2296 | case 'plaintext': |
| 2297 | return $this->root->text(); |
| 2298 | case 'charset': |
| 2299 | return $this->_charset; |
| 2300 | case 'target_charset': |
| 2301 | return $this->_target_charset; |
| 2302 | } |
| 2303 | } |
| 2304 | |
| 2305 | function childNodes($idx = -1) |
| 2306 | { |
| 2307 | return $this->root->childNodes($idx); |
| 2308 | } |
| 2309 | |
| 2310 | function firstChild() |
| 2311 | { |
| 2312 | return $this->root->first_child(); |
| 2313 | } |
| 2314 | |
| 2315 | function lastChild() |
| 2316 | { |
| 2317 | return $this->root->last_child(); |
| 2318 | } |
| 2319 | |
| 2320 | function createElement($name, $value = null) |
| 2321 | { |
| 2322 | return @str_get_html("<$name>$value</$name>")->firstChild(); |
| 2323 | } |
| 2324 | |
| 2325 | function createTextNode($value) |
| 2326 | { |
| 2327 | return @end(str_get_html($value)->nodes); |
| 2328 | } |
| 2329 | |
| 2330 | function getElementById($id) |
| 2331 | { |
| 2332 | return $this->find("#$id", 0); |
| 2333 | } |
| 2334 | |
| 2335 | function getElementsById($id, $idx = null) |
| 2336 | { |
| 2337 | return $this->find("#$id", $idx); |
| 2338 | } |
| 2339 | |
| 2340 | function getElementByTagName($name) |
| 2341 | { |
| 2342 | return $this->find($name, 0); |
| 2343 | } |
| 2344 | |
| 2345 | function getElementsByTagName($name, $idx = -1) |
| 2346 | { |
| 2347 | return $this->find($name, $idx); |
| 2348 | } |
| 2349 | |
| 2350 | function loadFile() |
| 2351 | { |
| 2352 | $args = func_get_args(); |
| 2353 | $this->load_file($args); |
| 2354 | } |
| 2355 | } |
| 2356 |