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-rw-r--r--blog/sbs_1/simple_html_dom.php975
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diff --git a/blog/sbs_1/simple_html_dom.php b/blog/sbs_1/simple_html_dom.php
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-<?php
-/*******************************************************************************
-Version: 1.11 ($Rev: 175 $)
-Website: http://sourceforge.net/projects/simplehtmldom/
-Author: S.C. Chen <me578022@gmail.com>
-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);}
-}
-?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 21:03:50 +0000