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<?php /******************************************************************************* Version: 1.11 ($Rev: 175 $) Website: http://sourceforge.net/projects/simplehtmldom/ Author: S.C. Chen <[email protected]> Acknowledge: Jose Solorzano (https://sourceforge.net/projects/php-html/) Contributions by: Yousuke Kumakura (Attribute filters) Vadim Voituk (Negative indexes supports of "find" method) Antcs (Constructor with automatically load contents either text or file/url) Licensed under The MIT License Redistributions of files must retain the above copyright notice. *******************************************************************************/ define('HDOM_TYPE_ELEMENT', 1); define('HDOM_TYPE_COMMENT', 2); define('HDOM_TYPE_TEXT', 3); define('HDOM_TYPE_ENDTAG', 4); define('HDOM_TYPE_ROOT', 5); define('HDOM_TYPE_UNKNOWN', 6); define('HDOM_QUOTE_DOUBLE', 0); define('HDOM_QUOTE_SINGLE', 1); define('HDOM_QUOTE_NO', 3); define('HDOM_INFO_BEGIN', 0); define('HDOM_INFO_END', 1); define('HDOM_INFO_QUOTE', 2); define('HDOM_INFO_SPACE', 3); define('HDOM_INFO_TEXT', 4); define('HDOM_INFO_INNER', 5); define('HDOM_INFO_OUTER', 6); define('HDOM_INFO_ENDSPACE',7); // helper functions // ----------------------------------------------------------------------------- // get html dom form file function file_get_html() { $dom = new simple_html_dom; $args = func_get_args(); $dom->load(call_user_func_array('file_get_contents', $args), true); return $dom; } // get html dom form string function str_get_html($str, $lowercase=true) { $dom = new simple_html_dom; $dom->load($str, $lowercase); return $dom; } // dump html dom tree function dump_html_tree($node, $show_attr=true, $deep=0) { $lead = str_repeat(' ', $deep); echo $lead.$node->tag; if ($show_attr && count($node->attr)>0) { echo '('; foreach($node->attr as $k=>$v) echo "[$k]=>\"".$node->$k.'", '; echo ')'; } echo "\n"; foreach($node->nodes as $c) dump_html_tree($c, $show_attr, $deep+1); } // get dom form file (deprecated) function file_get_dom() { $dom = new simple_html_dom; $args = func_get_args(); $dom->load(call_user_func_array('file_get_contents', $args), true); return $dom; } // get dom form string (deprecated) function str_get_dom($str, $lowercase=true) { $dom = new simple_html_dom; $dom->load($str, $lowercase); return $dom; } // simple html dom node // ----------------------------------------------------------------------------- class simple_html_dom_node { public $nodetype = HDOM_TYPE_TEXT; public $tag = 'text'; public $attr = array(); public $children = array(); public $nodes = array(); public $parent = null; public $_ = array(); private $dom = null; function __construct($dom) { $this->dom = $dom; $dom->nodes[] = $this; } function __destruct() { $this->clear(); } function __toString() { return $this->outertext(); } // clean up memory due to php5 circular references memory leak... function clear() { $this->dom = null; $this->nodes = null; $this->parent = null; $this->children = null; } // dump node's tree function dump($show_attr=true) { dump_html_tree($this, $show_attr); } // returns the parent of node function parent() { return $this->parent; } // returns children of node function children($idx=-1) { if ($idx===-1) return $this->children; if (isset($this->children[$idx])) return $this->children[$idx]; return null; } // returns the first child of node function first_child() { if (count($this->children)>0) return $this->children[0]; return null; } // returns the last child of node function last_child() { if (($count=count($this->children))>0) return $this->children[$count-1]; return null; } // returns the next sibling of node function next_sibling() { if ($this->parent===null) return null; $idx = 0; $count = count($this->parent->children); while ($idx<$count && $this!==$this->parent->children[$idx]) ++$idx; if (++$idx>=$count) return null; return $this->parent->children[$idx]; } // returns the previous sibling of node function prev_sibling() { if ($this->parent===null) return null; $idx = 0; $count = count($this->parent->children); while ($idx<$count && $this!==$this->parent->children[$idx]) ++$idx; if (--$idx<0) return null; return $this->parent->children[$idx]; } // get dom node's inner html function innertext() { if (isset($this->_[HDOM_INFO_INNER])) return $this->_[HDOM_INFO_INNER]; if (isset($this->_[HDOM_INFO_TEXT])) return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]); $ret = ''; foreach($this->nodes as $n) $ret .= $n->outertext(); return $ret; } // get dom node's outer text (with tag) function outertext() { if ($this->tag==='root') return $this->innertext(); // trigger callback if ($this->dom->callback!==null) call_user_func_array($this->dom->callback, array($this)); if (isset($this->_[HDOM_INFO_OUTER])) return $this->_[HDOM_INFO_OUTER]; if (isset($this->_[HDOM_INFO_TEXT])) return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]); // render begin tag $ret = $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]->makeup(); // render inner text if (isset($this->_[HDOM_INFO_INNER])) $ret .= $this->_[HDOM_INFO_INNER]; else { foreach($this->nodes as $n) $ret .= $n->outertext(); } // render end tag if(isset($this->_[HDOM_INFO_END]) && $this->_[HDOM_INFO_END]!=0) $ret .= '</'.$this->tag.'>'; return $ret; } // get dom node's plain text function text() { if (isset($this->_[HDOM_INFO_INNER])) return $this->_[HDOM_INFO_INNER]; switch ($this->nodetype) { case HDOM_TYPE_TEXT: return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]); case HDOM_TYPE_COMMENT: return ''; case HDOM_TYPE_UNKNOWN: return ''; } if (strcasecmp($this->tag, 'script')===0) return ''; if (strcasecmp($this->tag, 'style')===0) return ''; $ret = ''; foreach($this->nodes as $n) $ret .= $n->text(); return $ret; } function xmltext() { $ret = $this->innertext(); $ret = str_ireplace('<![CDATA[', '', $ret); $ret = str_replace(']]>', '', $ret); return $ret; } // build node's text with tag function makeup() { // text, comment, unknown if (isset($this->_[HDOM_INFO_TEXT])) return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]); $ret = '<'.$this->tag; $i = -1; foreach($this->attr as $key=>$val) { ++$i; // skip removed attribute if ($val===null || $val===false) continue; $ret .= $this->_[HDOM_INFO_SPACE][$i][0]; //no value attr: nowrap, checked selected... if ($val===true) $ret .= $key; else { switch($this->_[HDOM_INFO_QUOTE][$i]) { case HDOM_QUOTE_DOUBLE: $quote = '"'; break; case HDOM_QUOTE_SINGLE: $quote = '\''; break; default: $quote = ''; } $ret .= $key.$this->_[HDOM_INFO_SPACE][$i][1].'='.$this->_[HDOM_INFO_SPACE][$i][2].$quote.$val.$quote; } } $ret = $this->dom->restore_noise($ret); return $ret . $this->_[HDOM_INFO_ENDSPACE] . '>'; } // find elements by css selector function find($selector, $idx=null) { $selectors = $this->parse_selector($selector); if (($count=count($selectors))===0) return array(); $found_keys = array(); // find each selector for ($c=0; $c<$count; ++$c) { if (($levle=count($selectors[0]))===0) return array(); if (!isset($this->_[HDOM_INFO_BEGIN])) return array(); $head = array($this->_[HDOM_INFO_BEGIN]=>1); // handle descendant selectors, no recursive! for ($l=0; $l<$levle; ++$l) { $ret = array(); foreach($head as $k=>$v) { $n = ($k===-1) ? $this->dom->root : $this->dom->nodes[$k]; $n->seek($selectors[$c][$l], $ret); } $head = $ret; } foreach($head as $k=>$v) { if (!isset($found_keys[$k])) $found_keys[$k] = 1; } } // sort keys ksort($found_keys); $found = array(); foreach($found_keys as $k=>$v) $found[] = $this->dom->nodes[$k]; // return nth-element or array if (is_null($idx)) return $found; else if ($idx<0) $idx = count($found) + $idx; return (isset($found[$idx])) ? $found[$idx] : null; } // seek for given conditions protected function seek($selector, &$ret) { list($tag, $key, $val, $exp, $no_key) = $selector; // xpath index if ($tag && $key && is_numeric($key)) { $count = 0; foreach ($this->children as $c) { if ($tag==='*' || $tag===$c->tag) { if (++$count==$key) { $ret[$c->_[HDOM_INFO_BEGIN]] = 1; return; } } } return; } $end = (!empty($this->_[HDOM_INFO_END])) ? $this->_[HDOM_INFO_END] : 0; if ($end==0) { $parent = $this->parent; while (!isset($parent->_[HDOM_INFO_END]) && $parent!==null) { $end -= 1; $parent = $parent->parent; } $end += $parent->_[HDOM_INFO_END]; } for($i=$this->_[HDOM_INFO_BEGIN]+1; $i<$end; ++$i) { $node = $this->dom->nodes[$i]; $pass = true; if ($tag==='*' && !$key) { if (in_array($node, $this->children, true)) $ret[$i] = 1; continue; } // compare tag if ($tag && $tag!=$node->tag && $tag!=='*') {$pass=false;} // compare key if ($pass && $key) { if ($no_key) { if (isset($node->attr[$key])) $pass=false; } else if (!isset($node->attr[$key])) $pass=false; } // compare value if ($pass && $key && $val && $val!=='*') { $check = $this->match($exp, $val, $node->attr[$key]); // handle multiple class if (!$check && strcasecmp($key, 'class')===0) { foreach(explode(' ',$node->attr[$key]) as $k) { $check = $this->match($exp, $val, $k); if ($check) break; } } if (!$check) $pass = false; } if ($pass) $ret[$i] = 1; unset($node); } } protected function match($exp, $pattern, $value) { switch ($exp) { case '=': return ($value===$pattern); case '!=': return ($value!==$pattern); case '^=': return preg_match("/^".preg_quote($pattern,'/')."/", $value); case '$=': return preg_match("/".preg_quote($pattern,'/')."$/", $value); case '*=': if ($pattern[0]=='/') return preg_match($pattern, $value); return preg_match("/".$pattern."/i", $value); } return false; } protected function parse_selector($selector_string) { // pattern of CSS selectors, modified from mootools $pattern = "/([\w-:\*]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w-]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is"; preg_match_all($pattern, trim($selector_string).' ', $matches, PREG_SET_ORDER); $selectors = array(); $result = array(); //print_r($matches); foreach ($matches as $m) { $m[0] = trim($m[0]); if ($m[0]==='' || $m[0]==='/' || $m[0]==='//') continue; // for borwser grnreated xpath if ($m[1]==='tbody') continue; list($tag, $key, $val, $exp, $no_key) = array($m[1], null, null, '=', false); if(!empty($m[2])) {$key='id'; $val=$m[2];} if(!empty($m[3])) {$key='class'; $val=$m[3];} if(!empty($m[4])) {$key=$m[4];} if(!empty($m[5])) {$exp=$m[5];} if(!empty($m[6])) {$val=$m[6];} // convert to lowercase if ($this->dom->lowercase) {$tag=strtolower($tag); $key=strtolower($key);} //elements that do NOT have the specified attribute if (isset($key[0]) && $key[0]==='!') {$key=substr($key, 1); $no_key=true;} $result[] = array($tag, $key, $val, $exp, $no_key); if (trim($m[7])===',') { $selectors[] = $result; $result = array(); } } if (count($result)>0) $selectors[] = $result; return $selectors; } function __get($name) { if (isset($this->attr[$name])) return $this->attr[$name]; switch($name) { case 'outertext': return $this->outertext(); case 'innertext': return $this->innertext(); case 'plaintext': return $this->text(); case 'xmltext': return $this->xmltext(); default: return array_key_exists($name, $this->attr); } } function __set($name, $value) { switch($name) { case 'outertext': return $this->_[HDOM_INFO_OUTER] = $value; case 'innertext': if (isset($this->_[HDOM_INFO_TEXT])) return $this->_[HDOM_INFO_TEXT] = $value; return $this->_[HDOM_INFO_INNER] = $value; } if (!isset($this->attr[$name])) { $this->_[HDOM_INFO_SPACE][] = array(' ', '', ''); $this->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_DOUBLE; } $this->attr[$name] = $value; } function __isset($name) { switch($name) { case 'outertext': return true; case 'innertext': return true; case 'plaintext': return true; } //no value attr: nowrap, checked selected... return (array_key_exists($name, $this->attr)) ? true : isset($this->attr[$name]); } function __unset($name) { if (isset($this->attr[$name])) unset($this->attr[$name]); } // camel naming conventions function getAllAttributes() {return $this->attr;} function getAttribute($name) {return $this->__get($name);} function setAttribute($name, $value) {$this->__set($name, $value);} function hasAttribute($name) {return $this->__isset($name);} function removeAttribute($name) {$this->__set($name, null);} function getElementById($id) {return $this->find("#$id", 0);} function getElementsById($id, $idx=null) {return $this->find("#$id", $idx);} function getElementByTagName($name) {return $this->find($name, 0);} function getElementsByTagName($name, $idx=null) {return $this->find($name, $idx);} function parentNode() {return $this->parent();} function childNodes($idx=-1) {return $this->children($idx);} function firstChild() {return $this->first_child();} function lastChild() {return $this->last_child();} function nextSibling() {return $this->next_sibling();} function previousSibling() {return $this->prev_sibling();} } // simple html dom parser // ----------------------------------------------------------------------------- class simple_html_dom { public $root = null; public $nodes = array(); public $callback = null; public $lowercase = false; protected $pos; protected $doc; protected $char; protected $size; protected $cursor; protected $parent; protected $noise = array(); protected $token_blank = " \t\r\n"; protected $token_equal = ' =/>'; protected $token_slash = " />\r\n\t"; protected $token_attr = ' >'; // use isset instead of in_array, performance boost about 30%... protected $self_closing_tags = array('img'=>1, 'br'=>1, 'input'=>1, 'meta'=>1, 'link'=>1, 'hr'=>1, 'base'=>1, 'embed'=>1, 'spacer'=>1); protected $block_tags = array('root'=>1, 'body'=>1, 'form'=>1, 'div'=>1, 'span'=>1, 'table'=>1); protected $optional_closing_tags = array( 'tr'=>array('tr'=>1, 'td'=>1, 'th'=>1), 'th'=>array('th'=>1), 'td'=>array('td'=>1), 'li'=>array('li'=>1), 'dt'=>array('dt'=>1, 'dd'=>1), 'dd'=>array('dd'=>1, 'dt'=>1), 'dl'=>array('dd'=>1, 'dt'=>1), 'p'=>array('p'=>1), 'nobr'=>array('nobr'=>1), ); function __construct($str=null) { if ($str) { if (preg_match("/^http:\/\//i",$str) || is_file($str)) $this->load_file($str); else $this->load($str); } } function __destruct() { $this->clear(); } // load html from string function load($str, $lowercase=true) { // prepare $this->prepare($str, $lowercase); // strip out comments $this->remove_noise("'<!--(.*?)-->'is"); // strip out cdata $this->remove_noise("'<!\[CDATA\[(.*?)\]\]>'is", true); // strip out <style> tags $this->remove_noise("'<\s*style[^>]*[^/]>(.*?)<\s*/\s*style\s*>'is"); $this->remove_noise("'<\s*style\s*>(.*?)<\s*/\s*style\s*>'is"); // strip out <script> tags $this->remove_noise("'<\s*script[^>]*[^/]>(.*?)<\s*/\s*script\s*>'is"); $this->remove_noise("'<\s*script\s*>(.*?)<\s*/\s*script\s*>'is"); // strip out preformatted tags $this->remove_noise("'<\s*(?:code)[^>]*>(.*?)<\s*/\s*(?:code)\s*>'is"); // strip out server side scripts $this->remove_noise("'(<\?)(.*?)(\?>)'s", true); // strip smarty scripts $this->remove_noise("'(\{\w)(.*?)(\})'s", true); // parsing while ($this->parse()); // end $this->root->_[HDOM_INFO_END] = $this->cursor; } // load html from file function load_file() { $args = func_get_args(); $this->load(call_user_func_array('file_get_contents', $args), true); } // set callback function function set_callback($function_name) { $this->callback = $function_name; } // remove callback function function remove_callback() { $this->callback = null; } // save dom as string function save($filepath='') { $ret = $this->root->innertext(); if ($filepath!=='') file_put_contents($filepath, $ret); return $ret; } // find dom node by css selector function find($selector, $idx=null) { return $this->root->find($selector, $idx); } // clean up memory due to php5 circular references memory leak... function clear() { foreach($this->nodes as $n) {$n->clear(); $n = null;} if (isset($this->parent)) {$this->parent->clear(); unset($this->parent);} if (isset($this->root)) {$this->root->clear(); unset($this->root);} unset($this->doc); unset($this->noise); } function dump($show_attr=true) { $this->root->dump($show_attr); } // prepare HTML data and init everything protected function prepare($str, $lowercase=true) { $this->clear(); $this->doc = $str; $this->pos = 0; $this->cursor = 1; $this->noise = array(); $this->nodes = array(); $this->lowercase = $lowercase; $this->root = new simple_html_dom_node($this); $this->root->tag = 'root'; $this->root->_[HDOM_INFO_BEGIN] = -1; $this->root->nodetype = HDOM_TYPE_ROOT; $this->parent = $this->root; // set the length of content $this->size = strlen($str); if ($this->size>0) $this->char = $this->doc[0]; } // parse html content protected function parse() { if (($s = $this->copy_until_char('<'))==='') return $this->read_tag(); // text $node = new simple_html_dom_node($this); ++$this->cursor; $node->_[HDOM_INFO_TEXT] = $s; $this->link_nodes($node, false); return true; } // read tag info protected function read_tag() { if ($this->char!=='<') { $this->root->_[HDOM_INFO_END] = $this->cursor; return false; } $begin_tag_pos = $this->pos; $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next // end tag if ($this->char==='/') { $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next $this->skip($this->token_blank_t); $tag = $this->copy_until_char('>'); // skip attributes in end tag if (($pos = strpos($tag, ' '))!==false) $tag = substr($tag, 0, $pos); $parent_lower = strtolower($this->parent->tag); $tag_lower = strtolower($tag); if ($parent_lower!==$tag_lower) { if (isset($this->optional_closing_tags[$parent_lower]) && isset($this->block_tags[$tag_lower])) { $this->parent->_[HDOM_INFO_END] = 0; $org_parent = $this->parent; while (($this->parent->parent) && strtolower($this->parent->tag)!==$tag_lower) $this->parent = $this->parent->parent; if (strtolower($this->parent->tag)!==$tag_lower) { $this->parent = $org_parent; // restore origonal parent if ($this->parent->parent) $this->parent = $this->parent->parent; $this->parent->_[HDOM_INFO_END] = $this->cursor; return $this->as_text_node($tag); } } else if (($this->parent->parent) && isset($this->block_tags[$tag_lower])) { $this->parent->_[HDOM_INFO_END] = 0; $org_parent = $this->parent; while (($this->parent->parent) && strtolower($this->parent->tag)!==$tag_lower) $this->parent = $this->parent->parent; if (strtolower($this->parent->tag)!==$tag_lower) { $this->parent = $org_parent; // restore origonal parent $this->parent->_[HDOM_INFO_END] = $this->cursor; return $this->as_text_node($tag); } } else if (($this->parent->parent) && strtolower($this->parent->parent->tag)===$tag_lower) { $this->parent->_[HDOM_INFO_END] = 0; $this->parent = $this->parent->parent; } else return $this->as_text_node($tag); } $this->parent->_[HDOM_INFO_END] = $this->cursor; if ($this->parent->parent) $this->parent = $this->parent->parent; $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next return true; } $node = new simple_html_dom_node($this); $node->_[HDOM_INFO_BEGIN] = $this->cursor; ++$this->cursor; $tag = $this->copy_until($this->token_slash); // doctype, cdata & comments... if (isset($tag[0]) && $tag[0]==='!') { $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until_char('>'); if (isset($tag[2]) && $tag[1]==='-' && $tag[2]==='-') { $node->nodetype = HDOM_TYPE_COMMENT; $node->tag = 'comment'; } else { $node->nodetype = HDOM_TYPE_UNKNOWN; $node->tag = 'unknown'; } if ($this->char==='>') $node->_[HDOM_INFO_TEXT].='>'; $this->link_nodes($node, true); $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next return true; } // text if ($pos=strpos($tag, '<')!==false) { $tag = '<' . substr($tag, 0, -1); $node->_[HDOM_INFO_TEXT] = $tag; $this->link_nodes($node, false); $this->char = $this->doc[--$this->pos]; // prev return true; } if (!preg_match("/^[\w-:]+$/", $tag)) { $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until('<>'); if ($this->char==='<') { $this->link_nodes($node, false); return true; } if ($this->char==='>') $node->_[HDOM_INFO_TEXT].='>'; $this->link_nodes($node, false); $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next return true; } // begin tag $node->nodetype = HDOM_TYPE_ELEMENT; $tag_lower = strtolower($tag); $node->tag = ($this->lowercase) ? $tag_lower : $tag; // handle optional closing tags if (isset($this->optional_closing_tags[$tag_lower]) ) { while (isset($this->optional_closing_tags[$tag_lower][strtolower($this->parent->tag)])) { $this->parent->_[HDOM_INFO_END] = 0; $this->parent = $this->parent->parent; } $node->parent = $this->parent; } $guard = 0; // prevent infinity loop $space = array($this->copy_skip($this->token_blank), '', ''); // attributes do { if ($this->char!==null && $space[0]==='') break; $name = $this->copy_until($this->token_equal); if($guard===$this->pos) { $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next continue; } $guard = $this->pos; // handle endless '<' if($this->pos>=$this->size-1 && $this->char!=='>') { $node->nodetype = HDOM_TYPE_TEXT; $node->_[HDOM_INFO_END] = 0; $node->_[HDOM_INFO_TEXT] = '<'.$tag . $space[0] . $name; $node->tag = 'text'; $this->link_nodes($node, false); return true; } // handle mismatch '<' if($this->doc[$this->pos-1]=='<') { $node->nodetype = HDOM_TYPE_TEXT; $node->tag = 'text'; $node->attr = array(); $node->_[HDOM_INFO_END] = 0; $node->_[HDOM_INFO_TEXT] = substr($this->doc, $begin_tag_pos, $this->pos-$begin_tag_pos-1); $this->pos -= 2; $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next $this->link_nodes($node, false); return true; } if ($name!=='/' && $name!=='') { $space[1] = $this->copy_skip($this->token_blank); $name = $this->restore_noise($name); if ($this->lowercase) $name = strtolower($name); if ($this->char==='=') { $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next $this->parse_attr($node, $name, $space); } else { //no value attr: nowrap, checked selected... $node->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_NO; $node->attr[$name] = true; if ($this->char!='>') $this->char = $this->doc[--$this->pos]; // prev } $node->_[HDOM_INFO_SPACE][] = $space; $space = array($this->copy_skip($this->token_blank), '', ''); } else break; } while($this->char!=='>' && $this->char!=='/'); $this->link_nodes($node, true); $node->_[HDOM_INFO_ENDSPACE] = $space[0]; // check self closing if ($this->copy_until_char_escape('>')==='/') { $node->_[HDOM_INFO_ENDSPACE] .= '/'; $node->_[HDOM_INFO_END] = 0; } else { // reset parent if (!isset($this->self_closing_tags[strtolower($node->tag)])) $this->parent = $node; } $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next return true; } // parse attributes protected function parse_attr($node, $name, &$space) { $space[2] = $this->copy_skip($this->token_blank); switch($this->char) { case '"': $node->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_DOUBLE; $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next $node->attr[$name] = $this->restore_noise($this->copy_until_char_escape('"')); $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next break; case '\'': $node->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_SINGLE; $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next $node->attr[$name] = $this->restore_noise($this->copy_until_char_escape('\'')); $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next break; default: $node->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_NO; $node->attr[$name] = $this->restore_noise($this->copy_until($this->token_attr)); } } // link node's parent protected function link_nodes(&$node, $is_child) { $node->parent = $this->parent; $this->parent->nodes[] = $node; if ($is_child) $this->parent->children[] = $node; } // as a text node protected function as_text_node($tag) { $node = new simple_html_dom_node($this); ++$this->cursor; $node->_[HDOM_INFO_TEXT] = '</' . $tag . '>'; $this->link_nodes($node, false); $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next return true; } protected function skip($chars) { $this->pos += strspn($this->doc, $chars, $this->pos); $this->char = ($this->pos<$this->size) ? $this->doc[$this->pos] : null; // next } protected function copy_skip($chars) { $pos = $this->pos; $len = strspn($this->doc, $chars, $pos); $this->pos += $len; $this->char = ($this->pos<$this->size) ? $this->doc[$this->pos] : null; // next if ($len===0) return ''; return substr($this->doc, $pos, $len); } protected function copy_until($chars) { $pos = $this->pos; $len = strcspn($this->doc, $chars, $pos); $this->pos += $len; $this->char = ($this->pos<$this->size) ? $this->doc[$this->pos] : null; // next return substr($this->doc, $pos, $len); } protected function copy_until_char($char) { if ($this->char===null) return ''; if (($pos = strpos($this->doc, $char, $this->pos))===false) { $ret = substr($this->doc, $this->pos, $this->size-$this->pos); $this->char = null; $this->pos = $this->size; return $ret; } if ($pos===$this->pos) return ''; $pos_old = $this->pos; $this->char = $this->doc[$pos]; $this->pos = $pos; return substr($this->doc, $pos_old, $pos-$pos_old); } protected function copy_until_char_escape($char) { if ($this->char===null) return ''; $start = $this->pos; while(1) { if (($pos = strpos($this->doc, $char, $start))===false) { $ret = substr($this->doc, $this->pos, $this->size-$this->pos); $this->char = null; $this->pos = $this->size; return $ret; } if ($pos===$this->pos) return ''; if ($this->doc[$pos-1]==='\\') { $start = $pos+1; continue; } $pos_old = $this->pos; $this->char = $this->doc[$pos]; $this->pos = $pos; return substr($this->doc, $pos_old, $pos-$pos_old); } } // remove noise from html content protected function remove_noise($pattern, $remove_tag=false) { $count = preg_match_all($pattern, $this->doc, $matches, PREG_SET_ORDER|PREG_OFFSET_CAPTURE); for ($i=$count-1; $i>-1; --$i) { $key = '___noise___'.sprintf('% 3d', count($this->noise)+100); $idx = ($remove_tag) ? 0 : 1; $this->noise[$key] = $matches[$i][$idx][0]; $this->doc = substr_replace($this->doc, $key, $matches[$i][$idx][1], strlen($matches[$i][$idx][0])); } // reset the length of content $this->size = strlen($this->doc); if ($this->size>0) $this->char = $this->doc[0]; } // restore noise to html content function restore_noise($text) { while(($pos=strpos($text, '___noise___'))!==false) { $key = '___noise___'.$text[$pos+11].$text[$pos+12].$text[$pos+13]; if (isset($this->noise[$key])) $text = substr($text, 0, $pos).$this->noise[$key].substr($text, $pos+14); } return $text; } function __toString() { return $this->root->innertext(); } function __get($name) { switch($name) { case 'outertext': return $this->root->innertext(); case 'innertext': return $this->root->innertext(); case 'plaintext': return $this->root->text(); } } // camel naming conventions function childNodes($idx=-1) {return $this->root->childNodes($idx);} function firstChild() {return $this->root->first_child();} function lastChild() {return $this->root->last_child();} function getElementById($id) {return $this->find("#$id", 0);} function getElementsById($id, $idx=null) {return $this->find("#$id", $idx);} function getElementByTagName($name) {return $this->find($name, 0);} function getElementsByTagName($name, $idx=-1) {return $this->find($name, $idx);} function loadFile() {$args = func_get_args();$this->load(call_user_func_array('file_get_contents', $args), true);} } ?>