Created
September 23, 2011 18:37
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Not my work, I think it's originally from http://simplehtmldom.sourceforge.net/
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| <?php | |
| /** | |
| * Website: http://sourceforge.net/projects/simplehtmldom/ | |
| * 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) | |
| * | |
| * all affected sections have comments starting with "PaperG" | |
| * | |
| * Paperg - Added case insensitive testing of the value of the selector. | |
| * Paperg - Added tag_start for the starting index of tags - NOTE: This works but not accurately. | |
| * This tag_start gets counted AFTER \r\n have been crushed out, and after the remove_noice calls so it will not reflect the REAL position of the tag in the source, | |
| * it will almost always be smaller by some amount. | |
| * We use this to determine how far into the file the tag in question is. This "percentage will never be accurate as the $dom->size is the "real" number of bytes the dom was created from. | |
| * but for most purposes, it's a really good estimation. | |
| * Paperg - Added the forceTagsClosed to the dom constructor. Forcing tags closed is great for malformed html, but it CAN lead to parsing errors. | |
| * Allow the user to tell us how much they trust the html. | |
| * Paperg add the text and plaintext to the selectors for the find syntax. plaintext implies text in the innertext of a node. text implies that the tag is a text node. | |
| * This allows for us to find tags based on the text they contain. | |
| * Create find_ancestor_tag to see if a tag is - at any level - inside of another specific tag. | |
| * Paperg: added parse_charset so that we know about the character set of the source document. | |
| * NOTE: If the user's system has a routine called get_last_retrieve_url_contents_content_type availalbe, we will assume it's returning the content-type header from the | |
| * last transfer or curl_exec, and we will parse that and use it in preference to any other method of charset detection. | |
| * | |
| * Licensed under The MIT License | |
| * Redistributions of files must retain the above copyright notice. | |
| * | |
| * @author S.C. Chen <[email protected]> | |
| * @author John Schlick | |
| * @author Rus Carroll | |
| * @version 1.11 ($Rev: 184 $) | |
| * @package PlaceLocalInclude | |
| * @subpackage simple_html_dom | |
| */ | |
| /** | |
| * All of the Defines for the classes below. | |
| * @author S.C. Chen <[email protected]> | |
| */ | |
| 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); | |
| define('DEFAULT_TARGET_CHARSET', 'UTF-8'); | |
| define('DEFAULT_BR_TEXT', "\r\n"); | |
| // helper functions | |
| // ----------------------------------------------------------------------------- | |
| // get html dom from file | |
| // $maxlen is defined in the code as PHP_STREAM_COPY_ALL which is defined as -1. | |
| function file_get_html($url, $use_include_path = false, $context=null, $offset = -1, $maxLen=-1, $lowercase = true, $forceTagsClosed=true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT) | |
| { | |
| // We DO force the tags to be terminated. | |
| $dom = new simple_html_dom(null, $lowercase, $forceTagsClosed, $target_charset, $defaultBRText); | |
| // For sourceforge users: uncomment the next line and comment the retreive_url_contents line 2 lines down if it is not already done. | |
| $contents = file_get_contents($url, $use_include_path, $context, $offset); | |
| // Paperg - use our own mechanism for getting the contents as we want to control the timeout. | |
| // $contents = retrieve_url_contents($url); | |
| if (empty($contents)) | |
| { | |
| return false; | |
| } | |
| // The second parameter can force the selectors to all be lowercase. | |
| $dom->load($contents, $lowercase, $stripRN); | |
| return $dom; | |
| } | |
| // get html dom from string | |
| function str_get_html($str, $lowercase=true, $forceTagsClosed=true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT) | |
| { | |
| $dom = new simple_html_dom(null, $lowercase, $forceTagsClosed, $target_charset, $defaultBRText); | |
| if (empty($str)) | |
| { | |
| $dom->clear(); | |
| return false; | |
| } | |
| $dom->load($str, $lowercase, $stripRN); | |
| return $dom; | |
| } | |
| // dump html dom tree | |
| function dump_html_tree($node, $show_attr=true, $deep=0) | |
| { | |
| $node->dump($node); | |
| } | |
| /** | |
| * simple html dom node | |
| * PaperG - added ability for "find" routine to lowercase the value of the selector. | |
| * PaperG - added $tag_start to track the start position of the tag in the total byte index | |
| * | |
| * @package PlaceLocalInclude | |
| */ | |
| 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(); | |
| public $tag_start = 0; | |
| 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, $deep=0) | |
| { | |
| $lead = str_repeat(' ', $deep); | |
| echo $lead.$this->tag; | |
| if ($show_attr && count($this->attr)>0) | |
| { | |
| echo '('; | |
| foreach ($this->attr as $k=>$v) | |
| echo "[$k]=>\"".$this->$k.'", '; | |
| echo ')'; | |
| } | |
| echo "\n"; | |
| foreach ($this->nodes as $c) | |
| $c->dump($show_attr, $deep+1); | |
| } | |
| // Debugging function to dump a single dom node with a bunch of information about it. | |
| function dump_node() | |
| { | |
| echo $this->tag; | |
| if (count($this->attr)>0) | |
| { | |
| echo '('; | |
| foreach ($this->attr as $k=>$v) | |
| { | |
| echo "[$k]=>\"".$this->$k.'", '; | |
| } | |
| echo ')'; | |
| } | |
| if (count($this->attr)>0) | |
| { | |
| echo ' $_ ('; | |
| foreach ($this->_ as $k=>$v) | |
| { | |
| if (is_array($v)) | |
| { | |
| echo "[$k]=>("; | |
| foreach ($v as $k2=>$v2) | |
| { | |
| echo "[$k2]=>\"".$v2.'", '; | |
| } | |
| echo ")"; | |
| } else { | |
| echo "[$k]=>\"".$v.'", '; | |
| } | |
| } | |
| echo ")"; | |
| } | |
| if (isset($this->text)) | |
| { | |
| echo " text: (" . $this->text . ")"; | |
| } | |
| echo " children: " . count($this->children); | |
| echo " nodes: " . count($this->nodes); | |
| echo " tag_start: " . $this->tag_start; | |
| echo "\n"; | |
| } | |
| // 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]; | |
| } | |
| // function to locate a specific ancestor tag in the path to the root. | |
| function find_ancestor_tag($tag) | |
| { | |
| global $debugObject; | |
| if (is_object($debugObject)) | |
| { | |
| $debugObject->debugLogEntry(1); | |
| } | |
| // Start by including ourselves in the comparison. | |
| $returnDom = $this; | |
| while (!is_null($returnDom)) | |
| { | |
| if (is_object($debugObject)) | |
| { | |
| $debugObject->debugLog(2, "Current tag is: " . $returnDom->tag); | |
| } | |
| if ($returnDom->tag == $tag) | |
| { | |
| break; | |
| } | |
| $returnDom = $returnDom->parent; | |
| } | |
| return $returnDom; | |
| } | |
| // get dom node's inner html | |
| function innertext() | |
| { | |
| if (isset($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() | |
| { | |
| global $debugObject; | |
| if (is_object($debugObject)) | |
| { | |
| $text = ''; | |
| if ($this->tag == 'text') | |
| { | |
| if (!empty($this->text)) | |
| { | |
| $text = " with text: " . $this->text; | |
| } | |
| } | |
| $debugObject->debugLog(1, 'Innertext of tag: ' . $this->tag . $text); | |
| } | |
| if ($this->tag==='root') return $this->innertext(); | |
| // trigger callback | |
| if ($this->dom && $this->dom->callback!==null) | |
| { | |
| call_user_func_array($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 | |
| if ($this->dom && $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]) | |
| { | |
| $ret = $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]->makeup(); | |
| } else { | |
| $ret = ""; | |
| } | |
| // render inner text | |
| if (isset($this->_[HDOM_INFO_INNER])) | |
| { | |
| // If it's a br tag... don't return the HDOM_INNER_INFO that we may or may not have added. | |
| if ($this->tag != "br") | |
| { | |
| $ret .= $this->_[HDOM_INFO_INNER]; | |
| } | |
| } else { | |
| if ($this->nodes) | |
| { | |
| foreach ($this->nodes as $n) | |
| { | |
| $ret .= $this->convert_text($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 = ''; | |
| // In rare cases, (always node type 1 or HDOM_TYPE_ELEMENT - observed for some span tags, and some p tags) $this->nodes is set to NULL. | |
| // NOTE: This indicates that there is a problem where it's set to NULL without a clear happening. | |
| // WHY is this happening? | |
| if (!is_null($this->nodes)) | |
| { | |
| foreach ($this->nodes as $n) | |
| { | |
| $ret .= $this->convert_text($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 . $this->_[HDOM_INFO_ENDSPACE] . '>'; | |
| } | |
| // find elements by css selector | |
| //PaperG - added ability for find to lowercase the value of the selector. | |
| function find($selector, $idx=null, $lowercase=false) | |
| { | |
| $selectors = $this->parse_selector($selector); | |
| if (($count=count($selectors))===0) return array(); | |
| $found_keys = array(); | |
| // find each selector | |
| for ($c=0; $c<$count; ++$c) | |
| { | |
| // The change on the below line was documented on the sourceforge code tracker id 2788009 | |
| // used to be: if (($levle=count($selectors[0]))===0) return array(); | |
| if (($levle=count($selectors[$c]))===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]; | |
| //PaperG - Pass this optional parameter on to the seek function. | |
| $n->seek($selectors[$c][$l], $ret, $lowercase); | |
| } | |
| $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 | |
| // PaperG - added parameter to allow for case insensitive testing of the value of a selector. | |
| protected function seek($selector, &$ret, $lowercase=false) | |
| { | |
| global $debugObject; | |
| if (is_object($debugObject)) | |
| { | |
| $debugObject->debugLogEntry(1); | |
| } | |
| list($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])) $pass=false; | |
| } else { | |
| if (($key != "plaintext") && !isset($node->attr[$key])) $pass=false; | |
| } | |
| } | |
| // compare value | |
| if ($pass && $key && $val && $val!=='*') { | |
| // If they have told us that this is a "plaintext" search then we want the plaintext of the node - right? | |
| if ($key == "plaintext") { | |
| // $node->plaintext actually returns $node->text(); | |
| $nodeKeyValue = $node->text(); | |
| } else { | |
| // this is a normal search, we want the value of that attribute of the tag. | |
| $nodeKeyValue = $node->attr[$key]; | |
| } | |
| if (is_object($debugObject)) {$debugObject->debugLog(2, "testing node: " . $node->tag . " for attribute: " . $key . $exp . $val . " where nodes value is: " . $nodeKeyValue);} | |
| //PaperG - If lowercase is set, do a case insensitive test of the value of the selector. | |
| if ($lowercase) { | |
| $check = $this->match($exp, strtolower($val), strtolower($nodeKeyValue)); | |
| } else { | |
| $check = $this->match($exp, $val, $nodeKeyValue); | |
| } | |
| if (is_object($debugObject)) {$debugObject->debugLog(2, "after match: " . ($check ? "true" : "false"));} | |
| // handle multiple class | |
| if (!$check && strcasecmp($key, 'class')===0) { | |
| foreach (explode(' ',$node->attr[$key]) as $k) { | |
| // Without this, there were cases where leading, trailing, or double spaces lead to our comparing blanks - bad form. | |
| if (!empty($k)) { | |
| if ($lowercase) { | |
| $check = $this->match($exp, strtolower($val), strtolower($k)); | |
| } else { | |
| $check = $this->match($exp, $val, $k); | |
| } | |
| if ($check) break; | |
| } | |
| } | |
| } | |
| if (!$check) $pass = false; | |
| } | |
| if ($pass) $ret[$i] = 1; | |
| unset($node); | |
| } | |
| // It's passed by reference so this is actually what this function returns. | |
| if (is_object($debugObject)) {$debugObject->debugLog(1, "EXIT - ret: ", $ret);} | |
| } | |
| protected function match($exp, $pattern, $value) { | |
| global $debugObject; | |
| if (is_object($debugObject)) {$debugObject->debugLogEntry(1);} | |
| switch ($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) { | |
| global $debugObject; | |
| if (is_object($debugObject)) {$debugObject->debugLogEntry(1);} | |
| // pattern of CSS selectors, modified from mootools | |
| // Paperg: Add the colon to the attrbute, so that it properly finds <tag attr:ibute="something" > like google does. | |
| // Note: if you try to look at this attribute, yo MUST use getAttribute since $dom->x:y will fail the php syntax check. | |
| // Notice the \[ starting the attbute? and the @? following? This implies that an attribute can begin with an @ sign that is not captured. | |
| // This implies that an html attribute specifier may start with an @ sign that is NOT captured by the expression. | |
| // farther study is required to determine of this should be documented or removed. | |
| // $pattern = "/([\w-:\*]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w-]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is"; | |
| $pattern = "/([\w-:\*]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w-:]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is"; | |
| preg_match_all($pattern, trim($selector_string).' ', $matches, PREG_SET_ORDER); | |
| if (is_object($debugObject)) {$debugObject->debugLog(2, "Matches Array: ", $matches);} | |
| $selectors = array(); | |
| $result = array(); | |
| //print_r($matches); | |
| foreach ($matches as $m) { | |
| $m[0] = trim($m[0]); | |
| if ($m[0]==='' || $m[0]==='/' || $m[0]==='//') continue; | |
| // for browser generated xpath | |
| if ($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 $this->convert_text($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]); | |
| } | |
| // PaperG - Function to convert the text from one character set to another if the two sets are not the same. | |
| function convert_text($text) { | |
| global $debugObject; | |
| if (is_object($debugObject)) {$debugObject->debugLogEntry(1);} | |
| $converted_text = $text; | |
| $sourceCharset = ""; | |
| $targetCharset = ""; | |
| if ($this->dom) { | |
| $sourceCharset = strtoupper($this->dom->_charset); | |
| $targetCharset = strtoupper($this->dom->_target_charset); | |
| } | |
| if (is_object($debugObject)) {$debugObject->debugLog(3, "source charset: " . $sourceCharset . " target charaset: " . $targetCharset);} | |
| if (!empty($sourceCharset) && !empty($targetCharset) && (strcasecmp($sourceCharset, $targetCharset) != 0)) | |
| { | |
| // Check if the reported encoding could have been incorrect and the text is actually already UTF-8 | |
| if ((strcasecmp($targetCharset, 'UTF-8') == 0) && ($this->is_utf8($text))) | |
| { | |
| $converted_text = $text; | |
| } | |
| else | |
| { | |
| $converted_text = iconv($sourceCharset, $targetCharset, $text); | |
| } | |
| } | |
| return $converted_text; | |
| } | |
| function is_utf8($string) | |
| { | |
| return (utf8_encode(utf8_decode($string)) == $string); | |
| } | |
| // 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 | |
| * Paperg - in the find routine: allow us to specify that we want case insensitive testing of the value of the selector. | |
| * Paperg - change $size from protected to public so we can easily access it | |
| * Paperg - added ForceTagsClosed in the constructor which tells us whether we trust the html or not. Default is to NOT trust it. | |
| * | |
| * @package PlaceLocalInclude | |
| */ | |
| class simple_html_dom { | |
| public $root = null; | |
| public $nodes = array(); | |
| public $callback = null; | |
| public $lowercase = false; | |
| public $size; | |
| protected $pos; | |
| protected $doc; | |
| protected $char; | |
| 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 = ' >'; | |
| protected $_charset = ''; | |
| protected $_target_charset = ''; | |
| protected $default_br_text = ""; | |
| // 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); | |
| // Known sourceforge issue #2977341 | |
| // B tags that are not closed cause us to return everything to the end of the document. | |
| protected $optional_closing_tags = array( | |
| 'tr'=>array('tr'=>1, 'td'=>1, 'th'=>1), | |
| 'th'=>array('th'=>1), | |
| 'td'=>array('td'=>1), | |
| 'li'=>array('li'=>1), | |
| 'dt'=>array('dt'=>1, 'dd'=>1), | |
| 'dd'=>array('dd'=>1, 'dt'=>1), | |
| 'dl'=>array('dd'=>1, 'dt'=>1), | |
| 'p'=>array('p'=>1), | |
| 'nobr'=>array('nobr'=>1), | |
| 'b'=>array('b'=>1), | |
| ); | |
| function __construct($str=null, $lowercase=true, $forceTagsClosed=true, $target_charset=DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT) { | |
| if ($str) { | |
| if (preg_match("/^http:\/\//i",$str) || is_file($str)) | |
| $this->load_file($str); | |
| else | |
| $this->load($str, $lowercase, $stripRN, $defaultBRText); | |
| } | |
| // Forcing tags to be closed implies that we don't trust the html, but it can lead to parsing errors if we SHOULD trust the html. | |
| if (!$forceTagsClosed) { | |
| $this->optional_closing_array=array(); | |
| } | |
| $this->_target_charset = $target_charset; | |
| } | |
| function __destruct() { | |
| $this->clear(); | |
| } | |
| // load html from string | |
| function load($str, $lowercase=true, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT) { | |
| global $debugObject; | |
| // prepare | |
| $this->prepare($str, $lowercase, $stripRN, $defaultBRText); | |
| // strip out comments | |
| $this->remove_noise("'<!--(.*?)-->'is"); | |
| // strip out cdata | |
| $this->remove_noise("'<!\[CDATA\[(.*?)\]\]>'is", true); | |
| // Per sourceforge http://sourceforge.net/tracker/?func=detail&aid=2949097&group_id=218559&atid=1044037 | |
| // Script tags removal now preceeds style tag removal. | |
| // 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 <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 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; | |
| $this->parse_charset(); | |
| } | |
| // load html from file | |
| function load_file() { | |
| $args = func_get_args(); | |
| $this->load(call_user_func_array('file_get_contents', $args), true); | |
| // Per the simple_html_dom repositiry this is a planned upgrade to the codebase. | |
| // Throw an error if we can't properly load the dom. | |
| if (($error=error_get_last())!==null) { | |
| $this->clear(); | |
| return false; | |
| } | |
| } | |
| // set callback function | |
| function set_callback($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, LOCK_EX); | |
| return $ret; | |
| } | |
| // find dom node by css selector | |
| // Paperg - allow us to specify that we want case insensitive testing of the value of the selector. | |
| function find($selector, $idx=null, $lowercase=false) { | |
| return $this->root->find($selector, $idx, $lowercase); | |
| } | |
| // clean up memory due to php5 circular references memory leak... | |
| function clear() { | |
| foreach ($this->nodes as $n) {$n->clear(); $n = null;} | |
| // This add next line is documented in the sourceforge repository. 2977248 as a fix for ongoing memory leaks that occur even with the use of clear. | |
| if (isset($this->children)) foreach ($this->children 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, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT) { | |
| $this->clear(); | |
| // set the length of content before we do anything to it. | |
| $this->size = strlen($str); | |
| //before we save the string as the doc... strip out the \r \n's if we are told to. | |
| if ($stripRN) { | |
| $str = str_replace("\r", " ", $str); | |
| $str = str_replace("\n", " ", $str); | |
| } | |
| $this->doc = $str; | |
| $this->pos = 0; | |
| $this->cursor = 1; | |
| $this->noise = array(); | |
| $this->nodes = array(); | |
| $this->lowercase = $lowercase; | |
| $this->default_br_text = $defaultBRText; | |
| $this->root = new simple_html_dom_node($this); | |
| $this->root->tag = 'root'; | |
| $this->root->_[HDOM_INFO_BEGIN] = -1; | |
| $this->root->nodetype = HDOM_TYPE_ROOT; | |
| $this->parent = $this->root; | |
| if ($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; | |
| } | |
| // PAPERG - dkchou - added this to try to identify the character set of the page we have just parsed so we know better how to spit it out later. | |
| // NOTE: IF you provide a routine called get_last_retrieve_url_contents_content_type which returns the CURLINFO_CONTENT_TYPE fromt he last curl_exec | |
| // (or the content_type header fromt eh last transfer), we will parse THAT, and if a charset is specified, we will use it over any other mechanism. | |
| protected function parse_charset() | |
| { | |
| global $debugObject; | |
| $charset = null; | |
| if (function_exists('get_last_retrieve_url_contents_content_type')) | |
| { | |
| $contentTypeHeader = get_last_retrieve_url_contents_content_type(); | |
| $success = preg_match('/charset=(.+)/', $contentTypeHeader, $matches); | |
| if ($success) | |
| { | |
| $charset = $matches[1]; | |
| if (is_object($debugObject)) {$debugObject->debugLog(2, 'header content-type found charset of: ' . $charset);} | |
| } | |
| } | |
| if (empty($charset)) | |
| { | |
| $el = $this->root->find('meta[http-equiv=Content-Type]',0); | |
| if (!empty($el)) | |
| { | |
| $fullvalue = $el->content; | |
| if (is_object($debugObject)) {$debugObject->debugLog(2, 'meta content-type tag found' . $fullValue);} | |
| if (!empty($fullvalue)) | |
| { | |
| $success = preg_match('/charset=(.+)/', $fullvalue, $matches); | |
| if ($success) | |
| { | |
| $charset = $matches[1]; | |
| } | |
| else | |
| { | |
| // If there is a meta tag, and they don't specify the character set, research says that it's typically ISO-8859-1 | |
| if (is_object($debugObject)) {$debugObject->debugLog(2, 'meta content-type tag couldn\'t be parsed. using iso-8859 default.');} | |
| $charset = 'ISO-8859-1'; | |
| } | |
| } | |
| } | |
| } | |
| // If we couldn't find a charset above, then lets try to detect one based on the text we got... | |
| if (empty($charset)) | |
| { | |
| // Have php try to detect the encoding from the text given to us. | |
| $charset = mb_detect_encoding($this->root->plaintext . "ascii", $encoding_list = array( "UTF-8", "CP1252" ) ); | |
| if (is_object($debugObject)) {$debugObject->debugLog(2, 'mb_detect found: ' . $charset);} | |
| // and if this doesn't work... then we need to just wrongheadedly assume it's UTF-8 so that we can move on - cause this will usually give us most of what we need... | |
| if ($charset === false) | |
| { | |
| if (is_object($debugObject)) {$debugObject->debugLog(2, 'since mb_detect failed - using default of utf-8');} | |
| $charset = 'UTF-8'; | |
| } | |
| } | |
| // Since CP1252 is a superset, if we get one of it's subsets, we want it instead. | |
| if ((strtolower($charset) == strtolower('ISO-8859-1')) || (strtolower($charset) == strtolower('Latin1')) || (strtolower($charset) == strtolower('Latin-1'))) | |
| { | |
| if (is_object($debugObject)) {$debugObject->debugLog(2, 'replacing ' . $charset . ' with CP1252 as its a superset');} | |
| $charset = 'CP1252'; | |
| } | |
| if (is_object($debugObject)) {$debugObject->debugLog(1, 'EXIT - ' . $charset);} | |
| return $this->_charset = $charset; | |
| } | |
| // read tag info | |
| protected function read_tag() { | |
| if ($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 represetns the change in the simple_html_dom trunk from revision 180 to 181. | |
| // $this->skip($this->token_blank_t); | |
| $this->skip($this->token_blank); | |
| $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); | |
| $node->tag_start = $begin_tag_pos; | |
| // doctype, cdata & comments... | |
| if (isset($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 | |
| // If it's a BR tag, we need to set it's text to the default text. | |
| // This way when we see it in plaintext, we can generate formatting that the user wants. | |
| if ($node->tag == "br") { | |
| $node->_[HDOM_INFO_INNER] = $this->default_br_text; | |
| } | |
| return true; | |
| } | |
| // parse attributes | |
| protected function parse_attr($node, $name, &$space) { | |
| // Per sourceforge: http://sourceforge.net/tracker/?func=detail&aid=3061408&group_id=218559&atid=1044037 | |
| // If the attribute is already defined inside a tag, only pay atetntion to the first one as opposed to the last one. | |
| if (isset($node->attr[$name])) | |
| { | |
| return; | |
| } | |
| $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)); | |
| } | |
| // PaperG: Attributes should not have \r or \n in them, that counts as html whitespace. | |
| $node->attr[$name] = str_replace("\r", "", $node->attr[$name]); | |
| $node->attr[$name] = str_replace("\n", "", $node->attr[$name]); | |
| // PaperG: If this is a "class" selector, lets get rid of the preceeding and trailing space since some people leave it in the multi class case. | |
| if ($name == "class") { | |
| $node->attr[$name] = trim($node->attr[$name]); | |
| } | |
| } | |
| // 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(); | |
| case 'charset': | |
| return $this->_charset; | |
| case 'target_charset': | |
| return $this->_target_charset; | |
| } | |
| } | |
| // camel naming conventions | |
| function childNodes($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();$this->load_file($args);} | |
| } | |
| ?> |
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