From 9631f84cb335c9b2ca01f9ee1ba7a8d4d6858972 Mon Sep 17 00:00:00 2001
From: Chris Xiong <chirs241097@gmail.com>
Date: Sat, 17 Feb 2024 20:58:22 -0500
Subject: Drop deprecated stuff in the blog directory.

---
 blog/sbs_1/simple_html_dom.php | 975 -----------------------------------------
 1 file changed, 975 deletions(-)
 delete mode 100644 blog/sbs_1/simple_html_dom.php

(limited to 'blog/sbs_1/simple_html_dom.php')

diff --git a/blog/sbs_1/simple_html_dom.php b/blog/sbs_1/simple_html_dom.php
deleted file mode 100644
index 19e5f66..0000000
--- a/blog/sbs_1/simple_html_dom.php
+++ /dev/null
@@ -1,975 +0,0 @@
-<?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
-- 
cgit v1.2.3