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<?php
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/**
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* @author Niels A.D.
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* @author Todd Burry <[email protected]>
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* @copyright 2010 Niels A.D., 2014 Todd Burry
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* @license http://opensource.org/licenses/LGPL-2.1 LGPL-2.1
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* @package pQuery
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*/
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namespace pQuery;
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/**
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* Parses a HTML document
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*
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* Functionality can be extended by overriding functions or adjusting the tag map.
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* Document may contain small errors, the parser will try to recover and resume parsing.
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*/
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class HtmlParserBase extends TokenizerBase {
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/**
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* Tag open token, used for "<"
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*/
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const TOK_TAG_OPEN = 100;
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/**
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* Tag close token, used for ">"
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*/
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const TOK_TAG_CLOSE = 101;
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/**
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* Forward slash token, used for "/"
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*/
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const TOK_SLASH_FORWARD = 103;
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/**
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* Backslash token, used for "\"
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*/
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const TOK_SLASH_BACKWARD = 104;
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/**
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* String token, used for attribute values (" and ')
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*/
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const TOK_STRING = 104;
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/**
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* Equals token, used for "="
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*/
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const TOK_EQUALS = 105;
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/**
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* Sets HTML identifiers, tags/attributes are considered identifiers
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* @see TokenizerBase::$identifiers
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* @access private
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*/
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var $identifiers = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890:-_!?%';
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/**
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* Status of the parser (tagname, closing tag, etc)
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* @var array
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*/
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var $status = array();
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/**
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* Map characters to match their tokens
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* @see TokenizerBase::$custom_char_map
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* @access private
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*/
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var $custom_char_map = array(
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'<' => self::TOK_TAG_OPEN,
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'>' => self::TOK_TAG_CLOSE,
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"'" => 'parse_string',
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'"' => 'parse_string',
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'/' => self::TOK_SLASH_FORWARD,
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'\\' => self::TOK_SLASH_BACKWARD,
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'=' => self::TOK_EQUALS
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);
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function __construct($doc = '', $pos = 0) {
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parent::__construct($doc, $pos);
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$this->parse_all();
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}
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#php4 PHP4 class constructor compatibility
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#function HtmlParserBase($doc = '', $pos = 0) {return $this->__construct($doc, $pos);}
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#php4e
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/**
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Callback functions for certain tags
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@var array (TAG_NAME => FUNCTION_NAME)
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@internal Function should be a method in the class
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@internal Tagname should be lowercase and is everything after <, e.g. "?php" or "!doctype"
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@access private
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*/
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var $tag_map = array(
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'!doctype' => 'parse_doctype',
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'?' => 'parse_php',
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'?php' => 'parse_php',
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'%' => 'parse_asp',
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'style' => 'parse_style',
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'script' => 'parse_script'
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);
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/**
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* Parse a HTML string (attributes)
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* @internal Gets called with ' and "
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* @return int
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*/
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protected function parse_string() {
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if ($this->next_pos($this->doc[$this->pos], false) !== self::TOK_UNKNOWN) {
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--$this->pos;
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}
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return self::TOK_STRING;
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}
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/**
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* Parse text between tags
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* @internal Gets called between tags, uses {@link $status}[last_pos]
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* @internal Stores text in {@link $status}[text]
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*/
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37 |
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function parse_text() {
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$len = $this->pos - 1 - $this->status['last_pos'];
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$this->status['text'] = (($len > 0) ? substr($this->doc, $this->status['last_pos'] + 1, $len) : '');
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}
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/**
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* Parse comment tags
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* @internal Gets called with HTML comments ("<!--")
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* @internal Stores text in {@link $status}[comment]
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* @return bool
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*/
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function parse_comment() {
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$this->pos += 3;
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if ($this->next_pos('-->', false) !== self::TOK_UNKNOWN) {
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$this->status['comment'] = $this->getTokenString(1, -1);
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--$this->pos;
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} else {
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$this->status['comment'] = $this->getTokenString(1, -1);
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$this->pos += 2;
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}
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$this->status['last_pos'] = $this->pos;
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return true;
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}
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/**
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* Parse doctype tag
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* @internal Gets called with doctype ("<!doctype")
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* @internal Stores text in {@link $status}[dtd]
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* @return bool
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*/
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function parse_doctype() {
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$start = $this->pos;
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if ($this->next_search('[>', false) === self::TOK_UNKNOWN) {
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if ($this->doc[$this->pos] === '[') {
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if (($this->next_pos(']', false) !== self::TOK_UNKNOWN) || ($this->next_pos('>', false) !== self::TOK_UNKNOWN)) {
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$this->addError('Invalid doctype');
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return false;
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}
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}
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$this->token_start = $start;
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$this->status['dtd'] = $this->getTokenString(2, -1);
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$this->status['last_pos'] = $this->pos;
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return true;
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} else {
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$this->addError('Invalid doctype');
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return false;
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}
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}
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/**
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* Parse cdata tag
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* @internal Gets called with cdata ("<![cdata")
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* @internal Stores text in {@link $status}[cdata]
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* @return bool
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*/
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function parse_cdata() {
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if ($this->next_pos(']]>', false) === self::TOK_UNKNOWN) {
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$this->status['cdata'] = $this->getTokenString(9, -1);
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$this->status['last_pos'] = $this->pos + 2;
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return true;
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} else {
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$this->addError('Invalid cdata tag');
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return false;
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}
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}
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/**
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* Parse php tags
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* @internal Gets called with php tags ("<?php")
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* @return bool
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*/
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function parse_php() {
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189
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$start = $this->pos;
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190
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if ($this->next_pos('?>', false) !== self::TOK_UNKNOWN) {
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$this->pos -= 2; //End of file
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192
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}
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194
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$len = $this->pos - 1 - $start;
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195
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$this->status['text'] = (($len > 0) ? substr($this->doc, $start + 1, $len) : '');
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196
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$this->status['last_pos'] = ++$this->pos;
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197
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return true;
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}
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199
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200
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/**
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201
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* Parse asp tags
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202
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* @internal Gets called with asp tags ("<%")
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203
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* @return bool
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*/
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205
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function parse_asp() {
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206
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$start = $this->pos;
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207
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if ($this->next_pos('%>', false) !== self::TOK_UNKNOWN) {
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208
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$this->pos -= 2; //End of file
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209
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}
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210
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211
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$len = $this->pos - 1 - $start;
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212
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$this->status['text'] = (($len > 0) ? substr($this->doc, $start + 1, $len) : '');
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213
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$this->status['last_pos'] = ++$this->pos;
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214
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return true;
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215
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}
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216
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217
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/**
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218
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* Parse style tags
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219
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* @internal Gets called with php tags ("<style>")
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220
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* @return bool
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221
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*/
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222
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9 |
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function parse_style() {
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223
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if ($this->parse_attributes() && ($this->token === self::TOK_TAG_CLOSE) && ($start = $this->pos) && ($this->next_pos('</style>', false) === self::TOK_UNKNOWN)) {
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224
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9 |
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$len = $this->pos - 1 - $start;
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225
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9 |
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$this->status['text'] = (($len > 0) ? substr($this->doc, $start + 1, $len) : '');
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226
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227
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9 |
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$this->pos += 7;
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228
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9 |
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$this->status['last_pos'] = $this->pos;
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229
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9 |
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return true;
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230
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} else {
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231
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$this->addError('No end for style tag found');
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232
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return false;
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233
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}
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234
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}
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235
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236
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/**
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237
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* Parse script tags
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238
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* @internal Gets called with php tags ("<script>")
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239
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* @return bool
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240
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*/
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241
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function parse_script() {
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242
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if ($this->parse_attributes() && ($this->token === self::TOK_TAG_CLOSE) && ($start = $this->pos) && ($this->next_pos('</script>', false) === self::TOK_UNKNOWN)) {
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243
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$len = $this->pos - 1 - $start;
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244
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$this->status['text'] = (($len > 0) ? substr($this->doc, $start + 1, $len) : '');
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245
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246
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$this->pos += 8;
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247
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$this->status['last_pos'] = $this->pos;
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248
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return true;
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249
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} else {
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250
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$this->addError('No end for script tag found');
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251
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return false;
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252
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}
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253
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}
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254
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255
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/**
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256
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* Parse conditional tags (+ all conditional tags inside)
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|
257
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* @internal Gets called with IE conditionals ("<![if]" and "<!--[if]")
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258
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* @internal Stores condition in {@link $status}[tag_condition]
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259
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* @return bool
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260
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*/
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261
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function parse_conditional() {
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262
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if ($this->status['closing_tag']) {
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263
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$this->pos += 8;
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264
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} else {
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265
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$this->pos += (($this->status['comment']) ? 5 : 3);
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266
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if ($this->next_pos(']', false) !== self::TOK_UNKNOWN) {
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267
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$this->addError('"]" not found in conditional tag');
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268
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return false;
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|
269
|
|
|
}
|
|
270
|
|
|
$this->status['tag_condition'] = $this->getTokenString(0, -1);
|
|
271
|
|
|
}
|
|
272
|
|
|
|
|
273
|
|
|
if ($this->next_no_whitespace() !== self::TOK_TAG_CLOSE) {
|
|
274
|
|
|
$this->addError('No ">" tag found 2 for conditional tag');
|
|
275
|
|
|
return false;
|
|
276
|
|
|
}
|
|
277
|
|
|
|
|
278
|
|
|
if ($this->status['comment']) {
|
|
279
|
|
|
$this->status['last_pos'] = $this->pos;
|
|
|
|
|
|
|
280
|
|
|
if ($this->next_pos('-->', false) !== self::TOK_UNKNOWN) {
|
|
281
|
|
|
$this->addError('No ending tag found for conditional tag');
|
|
282
|
|
|
$this->pos = $this->size - 1;
|
|
|
|
|
|
|
283
|
|
|
|
|
284
|
|
|
$len = $this->pos - 1 - $this->status['last_pos'];
|
|
|
|
|
|
|
285
|
|
|
$this->status['text'] = (($len > 0) ? substr($this->doc, $this->status['last_pos'] + 1, $len) : '');
|
|
|
|
|
|
|
286
|
|
|
} else {
|
|
287
|
|
|
$len = $this->pos - 10 - $this->status['last_pos'];
|
|
|
|
|
|
|
288
|
|
|
$this->status['text'] = (($len > 0) ? substr($this->doc, $this->status['last_pos'] + 1, $len) : '');
|
|
|
|
|
|
|
289
|
|
|
$this->pos += 2;
|
|
|
|
|
|
|
290
|
|
|
}
|
|
291
|
|
|
}
|
|
292
|
|
|
|
|
293
|
|
|
$this->status['last_pos'] = $this->pos;
|
|
|
|
|
|
|
294
|
|
|
return true;
|
|
295
|
|
|
}
|
|
296
|
|
|
|
|
297
|
|
|
/**
|
|
298
|
|
|
* Parse attributes (names + value)
|
|
299
|
|
|
* @internal Stores attributes in {@link $status}[attributes] (array(ATTR => VAL))
|
|
300
|
|
|
* @return bool
|
|
301
|
|
|
*/
|
|
302
|
37 |
|
function parse_attributes() {
|
|
|
|
|
|
|
303
|
37 |
|
$this->status['attributes'] = array();
|
|
304
|
|
|
|
|
305
|
37 |
|
while ($this->next_no_whitespace() === self::TOK_IDENTIFIER) {
|
|
306
|
34 |
|
$attr = $this->getTokenString();
|
|
307
|
34 |
|
if (($attr === '?') || ($attr === '%')) {
|
|
308
|
|
|
//Probably closing tags
|
|
309
|
|
|
break;
|
|
310
|
|
|
}
|
|
311
|
|
|
|
|
312
|
34 |
|
if ($this->next_no_whitespace() === self::TOK_EQUALS) {
|
|
313
|
34 |
|
if ($this->next_no_whitespace() === self::TOK_STRING) {
|
|
314
|
33 |
|
$val = $this->getTokenString(1, -1);
|
|
315
|
33 |
|
} else {
|
|
316
|
1 |
|
$this->token_start = $this->pos;
|
|
|
|
|
|
|
317
|
1 |
|
if (!isset($stop)) {
|
|
318
|
1 |
|
$stop = $this->whitespace;
|
|
|
|
|
|
|
319
|
1 |
|
$stop['<'] = true;
|
|
320
|
1 |
|
$stop['>'] = true;
|
|
321
|
1 |
|
}
|
|
322
|
|
|
|
|
323
|
1 |
|
while ((++$this->pos < $this->size) && (!isset($stop[$this->doc[$this->pos]]))) {
|
|
|
|
|
|
|
324
|
|
|
// Do nothing.
|
|
325
|
1 |
|
}
|
|
326
|
1 |
|
--$this->pos;
|
|
|
|
|
|
|
327
|
|
|
|
|
328
|
1 |
|
$val = $this->getTokenString();
|
|
329
|
|
|
|
|
330
|
1 |
|
if (trim($val) === '') {
|
|
331
|
|
|
$this->addError('Invalid attribute value');
|
|
332
|
|
|
return false;
|
|
333
|
|
|
}
|
|
334
|
|
|
}
|
|
335
|
34 |
|
} else {
|
|
336
|
9 |
|
$val = $attr;
|
|
337
|
9 |
|
$this->pos = (($this->token_start) ? $this->token_start : $this->pos) - 1;
|
|
|
|
|
|
|
338
|
|
|
}
|
|
339
|
|
|
|
|
340
|
34 |
|
$this->status['attributes'][$attr] = $val;
|
|
341
|
34 |
|
}
|
|
342
|
|
|
|
|
343
|
37 |
|
return true;
|
|
344
|
|
|
}
|
|
345
|
|
|
|
|
346
|
|
|
/**
|
|
347
|
|
|
* Default callback for tags
|
|
348
|
|
|
* @internal Gets called after the tagname (<html*ENTERS_HERE* attribute="value">)
|
|
349
|
|
|
* @return bool
|
|
350
|
|
|
*/
|
|
351
|
37 |
|
function parse_tag_default() {
|
|
|
|
|
|
|
352
|
37 |
|
if ($this->status['closing_tag']) {
|
|
353
|
37 |
|
$this->status['attributes'] = array();
|
|
354
|
37 |
|
$this->next_no_whitespace();
|
|
355
|
37 |
|
} else {
|
|
356
|
37 |
|
if (!$this->parse_attributes()) {
|
|
357
|
|
|
return false;
|
|
358
|
|
|
}
|
|
359
|
|
|
}
|
|
360
|
|
|
|
|
361
|
37 |
|
if ($this->token !== self::TOK_TAG_CLOSE) {
|
|
|
|
|
|
|
362
|
9 |
|
if ($this->token === self::TOK_SLASH_FORWARD) {
|
|
|
|
|
|
|
363
|
9 |
|
$this->status['self_close'] = true;
|
|
364
|
9 |
|
$this->next();
|
|
365
|
9 |
|
} elseif ((($this->status['tag_name'][0] === '?') && ($this->doc[$this->pos] === '?')) || (($this->status['tag_name'][0] === '%') && ($this->doc[$this->pos] === '%'))) {
|
|
|
|
|
|
|
366
|
|
|
$this->status['self_close'] = true;
|
|
367
|
|
|
$this->pos++;
|
|
|
|
|
|
|
368
|
|
|
|
|
369
|
|
|
if (isset($this->char_map[$this->doc[$this->pos]]) && (!is_string($this->char_map[$this->doc[$this->pos]]))) {
|
|
|
|
|
|
|
370
|
|
|
$this->token = $this->char_map[$this->doc[$this->pos]];
|
|
|
|
|
|
|
371
|
|
|
} else {
|
|
372
|
|
|
$this->token = self::TOK_UNKNOWN;
|
|
|
|
|
|
|
373
|
|
|
}
|
|
374
|
|
|
}/* else {
|
|
|
|
|
|
|
375
|
|
|
$this->status['self_close'] = false;
|
|
376
|
|
|
}*/
|
|
377
|
9 |
|
}
|
|
378
|
|
|
|
|
379
|
37 |
|
if ($this->token !== self::TOK_TAG_CLOSE) {
|
|
|
|
|
|
|
380
|
|
|
$this->addError('Expected ">", but found "'.$this->getTokenString().'"');
|
|
381
|
|
|
if ($this->next_pos('>', false) !== self::TOK_UNKNOWN) {
|
|
382
|
|
|
$this->addError('No ">" tag found for "'.$this->status['tag_name'].'" tag');
|
|
383
|
|
|
return false;
|
|
384
|
|
|
}
|
|
385
|
|
|
}
|
|
386
|
|
|
|
|
387
|
37 |
|
return true;
|
|
388
|
|
|
}
|
|
389
|
|
|
|
|
390
|
|
|
/**
|
|
391
|
|
|
* Parse tag
|
|
392
|
|
|
* @internal Gets called after opening tag (<*ENTERS_HERE*html attribute="value">)
|
|
393
|
|
|
* @internal Stores information about the tag in {@link $status} (comment, closing_tag, tag_name)
|
|
394
|
|
|
* @return bool
|
|
395
|
|
|
*/
|
|
396
|
37 |
|
function parse_tag() {
|
|
|
|
|
|
|
397
|
37 |
|
$start = $this->pos;
|
|
|
|
|
|
|
398
|
37 |
|
$this->status['self_close'] = false;
|
|
399
|
37 |
|
$this->parse_text();
|
|
400
|
|
|
|
|
401
|
37 |
|
$next = (($this->pos + 1) < $this->size) ? $this->doc[$this->pos + 1] : '';
|
|
|
|
|
|
|
402
|
37 |
|
if ($next === '!') {
|
|
403
|
9 |
|
$this->status['closing_tag'] = false;
|
|
404
|
|
|
|
|
405
|
9 |
|
if (substr($this->doc, $this->pos + 2, 2) === '--') {
|
|
|
|
|
|
|
406
|
9 |
|
$this->status['comment'] = true;
|
|
407
|
|
|
|
|
408
|
9 |
|
if (($this->doc[$this->pos + 4] === '[') && (strcasecmp(substr($this->doc, $this->pos + 5, 2), 'if') === 0)) {
|
|
|
|
|
|
|
409
|
|
|
return $this->parse_conditional();
|
|
410
|
|
|
} else {
|
|
411
|
9 |
|
return $this->parse_comment();
|
|
412
|
|
|
}
|
|
413
|
|
|
} else {
|
|
414
|
9 |
|
$this->status['comment'] = false;
|
|
415
|
|
|
|
|
416
|
9 |
|
if ($this->doc[$this->pos + 2] === '[') {
|
|
|
|
|
|
|
417
|
|
|
if (strcasecmp(substr($this->doc, $this->pos + 3, 2), 'if') === 0) {
|
|
|
|
|
|
|
418
|
|
|
return $this->parse_conditional();
|
|
419
|
|
|
} elseif (strcasecmp(substr($this->doc, $this->pos + 3, 5), 'endif') === 0) {
|
|
|
|
|
|
|
420
|
|
|
$this->status['closing_tag'] = true;
|
|
421
|
|
|
return $this->parse_conditional();
|
|
422
|
|
|
} elseif (strcasecmp(substr($this->doc, $this->pos + 3, 5), 'cdata') === 0) {
|
|
|
|
|
|
|
423
|
|
|
return $this->parse_cdata();
|
|
424
|
|
|
}
|
|
425
|
|
|
}
|
|
426
|
|
|
}
|
|
427
|
37 |
|
} elseif ($next === '/') {
|
|
428
|
37 |
|
$this->status['closing_tag'] = true;
|
|
429
|
37 |
|
++$this->pos;
|
|
|
|
|
|
|
430
|
37 |
|
} else {
|
|
431
|
37 |
|
$this->status['closing_tag'] = false;
|
|
432
|
|
|
}
|
|
433
|
|
|
|
|
434
|
37 |
|
if ($this->next() !== self::TOK_IDENTIFIER) {
|
|
435
|
|
|
$this->addError('Tagname expected');
|
|
436
|
|
|
//if ($this->next_pos('>', false) === self::TOK_UNKNOWN) {
|
|
|
|
|
|
|
437
|
|
|
$this->status['last_pos'] = $start - 1;
|
|
438
|
|
|
return true;
|
|
439
|
|
|
//} else {
|
|
440
|
|
|
// return false;
|
|
441
|
|
|
//}
|
|
442
|
|
|
}
|
|
443
|
|
|
|
|
444
|
37 |
|
$tag = $this->getTokenString();
|
|
445
|
37 |
|
$this->status['tag_name'] = $tag;
|
|
446
|
37 |
|
$tag = strtolower($tag);
|
|
447
|
|
|
|
|
448
|
37 |
|
if (isset($this->tag_map[$tag])) {
|
|
449
|
9 |
|
$res = $this->{$this->tag_map[$tag]}();
|
|
450
|
9 |
|
} else {
|
|
451
|
37 |
|
$res = $this->parse_tag_default();
|
|
452
|
|
|
}
|
|
453
|
|
|
|
|
454
|
37 |
|
$this->status['last_pos'] = $this->pos;
|
|
|
|
|
|
|
455
|
37 |
|
return $res;
|
|
456
|
|
|
}
|
|
457
|
|
|
|
|
458
|
|
|
/**
|
|
459
|
|
|
* Parse full document
|
|
460
|
|
|
* @return bool
|
|
461
|
|
|
*/
|
|
462
|
37 |
|
function parse_all() {
|
|
|
|
|
|
|
463
|
37 |
|
$this->errors = array();
|
|
|
|
|
|
|
464
|
37 |
|
$this->status['last_pos'] = -1;
|
|
465
|
|
|
|
|
466
|
37 |
|
if (($this->token === self::TOK_TAG_OPEN) || ($this->next_pos('<', false) === self::TOK_UNKNOWN)) {
|
|
|
|
|
|
|
467
|
|
|
do {
|
|
468
|
37 |
|
if (!$this->parse_tag()) {
|
|
469
|
|
|
return false;
|
|
470
|
|
|
}
|
|
471
|
37 |
|
} while ($this->next_pos('<') !== self::TOK_NULL);
|
|
472
|
37 |
|
}
|
|
473
|
|
|
|
|
474
|
37 |
|
$this->pos = $this->size;
|
|
|
|
|
|
|
475
|
37 |
|
$this->parse_text();
|
|
476
|
|
|
|
|
477
|
37 |
|
return true;
|
|
478
|
|
|
}
|
|
479
|
|
|
}
|
|
480
|
|
|
|
|
481
|
|
|
/**
|
|
482
|
|
|
* Parses a HTML document into a HTML DOM
|
|
483
|
|
|
*/
|
|
484
|
|
|
class HtmlParser extends HtmlParserBase {
|
|
|
|
|
|
|
485
|
|
|
|
|
486
|
|
|
/**
|
|
487
|
|
|
* Root object
|
|
488
|
|
|
* @internal If string, then it will create a new instance as root
|
|
489
|
|
|
* @var DomNode
|
|
490
|
|
|
*/
|
|
491
|
|
|
var $root = 'pQuery\\DomNode';
|
|
|
|
|
|
|
492
|
|
|
|
|
493
|
|
|
/**
|
|
494
|
|
|
* Current parsing hierarchy
|
|
495
|
|
|
* @internal Root is always at index 0, current tag is at the end of the array
|
|
496
|
|
|
* @var array
|
|
497
|
|
|
* @access private
|
|
498
|
|
|
*/
|
|
499
|
|
|
var $hierarchy = array();
|
|
|
|
|
|
|
500
|
|
|
|
|
501
|
|
|
/**
|
|
502
|
|
|
* Tags that don't need closing tags
|
|
503
|
|
|
* @var array
|
|
504
|
|
|
* @access private
|
|
505
|
|
|
*/
|
|
506
|
|
|
var $tags_selfclose = array(
|
|
|
|
|
|
|
507
|
|
|
'area' => true,
|
|
508
|
|
|
'base' => true,
|
|
509
|
|
|
'basefont' => true,
|
|
510
|
|
|
'br' => true,
|
|
511
|
|
|
'col' => true,
|
|
512
|
|
|
'command' => true,
|
|
513
|
|
|
'embed' => true,
|
|
514
|
|
|
'frame' => true,
|
|
515
|
|
|
'hr' => true,
|
|
516
|
|
|
'img' => true,
|
|
517
|
|
|
'input' => true,
|
|
518
|
|
|
'ins' => true,
|
|
519
|
|
|
'keygen' => true,
|
|
520
|
|
|
'link' => true,
|
|
521
|
|
|
'meta' => true,
|
|
522
|
|
|
'param' => true,
|
|
523
|
|
|
'source' => true,
|
|
524
|
|
|
'track' => true,
|
|
525
|
|
|
'wbr' => true
|
|
526
|
|
|
);
|
|
527
|
|
|
|
|
528
|
|
|
/**
|
|
529
|
|
|
* Class constructor
|
|
530
|
|
|
* @param string $doc Document to be tokenized
|
|
531
|
|
|
* @param int $pos Position to start parsing
|
|
532
|
|
|
* @param DomNode $root Root node, null to auto create
|
|
533
|
|
|
*/
|
|
534
|
37 |
|
function __construct($doc = '', $pos = 0, $root = null) {
|
|
|
|
|
|
|
535
|
37 |
|
if ($root === null) {
|
|
536
|
37 |
|
$root = new $this->root('~root~', null);
|
|
537
|
37 |
|
}
|
|
538
|
37 |
|
$this->root =& $root;
|
|
539
|
|
|
|
|
540
|
37 |
|
parent::__construct($doc, $pos);
|
|
541
|
37 |
|
}
|
|
542
|
|
|
|
|
543
|
|
|
#php4 PHP4 class constructor compatibility
|
|
544
|
|
|
#function HtmlParser($doc = '', $pos = 0, $root = null) {return $this->__construct($doc, $pos, $root);}
|
|
|
|
|
|
|
545
|
|
|
#php4e
|
|
546
|
|
|
|
|
547
|
|
|
/**
|
|
548
|
|
|
* Class magic invoke method, performs {@link select()}
|
|
549
|
|
|
* @return array
|
|
550
|
|
|
* @access private
|
|
551
|
|
|
*/
|
|
552
|
|
|
function __invoke($query = '*') {
|
|
|
|
|
|
|
553
|
|
|
return $this->select($query);
|
|
554
|
|
|
}
|
|
555
|
|
|
|
|
556
|
|
|
/**
|
|
557
|
|
|
* Class magic toString method, performs {@link DomNode::toString()}
|
|
558
|
|
|
* @return string
|
|
559
|
|
|
* @access private
|
|
560
|
|
|
*/
|
|
561
|
|
|
function __toString() {
|
|
|
|
|
|
|
562
|
|
|
return $this->root->getInnerText();
|
|
563
|
|
|
}
|
|
564
|
|
|
|
|
565
|
|
|
/**
|
|
566
|
|
|
* Performs a css select query on the root node
|
|
567
|
|
|
* @see DomNode::select()
|
|
568
|
|
|
* @return array
|
|
569
|
|
|
*/
|
|
570
|
|
|
function select($query = '*', $index = false, $recursive = true, $check_self = false) {
|
|
|
|
|
|
|
571
|
|
|
return $this->root->select($query, $index, $recursive, $check_self);
|
|
572
|
|
|
}
|
|
573
|
|
|
|
|
574
|
|
|
/**
|
|
575
|
|
|
* Updates the current hierarchy status and checks for
|
|
576
|
|
|
* correct opening/closing of tags
|
|
577
|
|
|
* @param bool $self_close Is current tag self closing? Null to use {@link tags_selfclose}
|
|
578
|
|
|
* @internal This is were most of the nodes get added
|
|
579
|
|
|
* @access private
|
|
580
|
|
|
*/
|
|
581
|
37 |
|
protected function parse_hierarchy($self_close = null) {
|
|
582
|
37 |
|
if ($self_close === null) {
|
|
583
|
|
|
$this->status['self_close'] = ($self_close = isset($this->tags_selfclose[strtolower($this->status['tag_name'])]));
|
|
|
|
|
|
|
584
|
|
|
}
|
|
585
|
|
|
|
|
586
|
37 |
|
if ($self_close) {
|
|
587
|
9 |
|
if ($this->status['closing_tag']) {
|
|
|
|
|
|
|
588
|
|
|
|
|
589
|
|
|
//$c = end($this->hierarchy)->children
|
|
|
|
|
|
|
590
|
|
|
$c = $this->hierarchy[count($this->hierarchy) - 1]->children;
|
|
591
|
|
|
$found = false;
|
|
592
|
|
|
for ($count = count($c), $i = $count - 1; $i >= 0; $i--) {
|
|
593
|
|
|
if (strcasecmp($c[$i]->tag, $this->status['tag_name']) === 0) {
|
|
|
|
|
|
|
594
|
|
|
for($ii = $i + 1; $ii < $count; $ii++) {
|
|
595
|
|
|
$index = null; //Needs to be passed by ref
|
|
596
|
|
|
$c[$i + 1]->changeParent($c[$i], $index);
|
|
597
|
|
|
}
|
|
598
|
|
|
$c[$i]->self_close = false;
|
|
599
|
|
|
|
|
600
|
|
|
$found = true;
|
|
601
|
|
|
break;
|
|
602
|
|
|
}
|
|
603
|
|
|
}
|
|
604
|
|
|
|
|
605
|
|
|
if (!$found) {
|
|
606
|
|
|
$this->addError('Closing tag "'.$this->status['tag_name'].'" which is not open');
|
|
|
|
|
|
|
607
|
|
|
}
|
|
608
|
|
|
|
|
609
|
9 |
|
} elseif ($this->status['tag_name'][0] === '?') {
|
|
|
|
|
|
|
610
|
|
|
//end($this->hierarchy)->addXML($this->status['tag_name'], '', $this->status['attributes']);
|
|
|
|
|
|
|
611
|
|
|
$index = null; //Needs to be passed by ref
|
|
612
|
|
|
$this->hierarchy[count($this->hierarchy) - 1]->addXML($this->status['tag_name'], '', $this->status['attributes'], $index);
|
|
|
|
|
|
|
613
|
9 |
|
} elseif ($this->status['tag_name'][0] === '%') {
|
|
|
|
|
|
|
614
|
|
|
//end($this->hierarchy)->addASP($this->status['tag_name'], '', $this->status['attributes']);
|
|
|
|
|
|
|
615
|
|
|
$index = null; //Needs to be passed by ref
|
|
616
|
|
|
$this->hierarchy[count($this->hierarchy) - 1]->addASP($this->status['tag_name'], '', $this->status['attributes'], $index);
|
|
|
|
|
|
|
617
|
|
|
} else {
|
|
618
|
|
|
//end($this->hierarchy)->addChild($this->status);
|
|
|
|
|
|
|
619
|
9 |
|
$index = null; //Needs to be passed by ref
|
|
620
|
9 |
|
$this->hierarchy[count($this->hierarchy) - 1]->addChild($this->status, $index);
|
|
|
|
|
|
|
621
|
|
|
}
|
|
622
|
37 |
|
} elseif ($this->status['closing_tag']) {
|
|
|
|
|
|
|
623
|
37 |
|
$found = false;
|
|
624
|
37 |
|
for ($count = count($this->hierarchy), $i = $count - 1; $i >= 0; $i--) {
|
|
625
|
37 |
|
if (strcasecmp($this->hierarchy[$i]->tag, $this->status['tag_name']) === 0) {
|
|
|
|
|
|
|
626
|
|
|
|
|
627
|
37 |
|
for($ii = ($count - $i - 1); $ii >= 0; $ii--) {
|
|
628
|
37 |
|
$e = array_pop($this->hierarchy);
|
|
629
|
37 |
|
if ($ii > 0) {
|
|
630
|
|
|
$this->addError('Closing tag "'.$this->status['tag_name'].'" while "'.$e->tag.'" is not closed yet');
|
|
|
|
|
|
|
631
|
|
|
}
|
|
632
|
37 |
|
}
|
|
633
|
|
|
|
|
634
|
37 |
|
$found = true;
|
|
635
|
37 |
|
break;
|
|
636
|
|
|
}
|
|
637
|
|
|
}
|
|
638
|
|
|
|
|
639
|
37 |
|
if (!$found) {
|
|
640
|
|
|
$this->addError('Closing tag "'.$this->status['tag_name'].'" which is not open');
|
|
|
|
|
|
|
641
|
|
|
}
|
|
642
|
|
|
|
|
643
|
37 |
|
} else {
|
|
644
|
|
|
//$this->hierarchy[] = end($this->hierarchy)->addChild($this->status);
|
|
|
|
|
|
|
645
|
37 |
|
$index = null; //Needs to be passed by ref
|
|
646
|
37 |
|
$this->hierarchy[] = $this->hierarchy[count($this->hierarchy) - 1]->addChild($this->status, $index);
|
|
|
|
|
|
|
647
|
|
|
}
|
|
648
|
37 |
|
}
|
|
649
|
|
|
|
|
650
|
|
|
function parse_cdata() {
|
|
|
|
|
|
|
651
|
|
|
if (!parent::parse_cdata()) {return false;}
|
|
652
|
|
|
|
|
653
|
|
|
//end($this->hierarchy)->addCDATA($this->status['cdata']);
|
|
|
|
|
|
|
654
|
|
|
$index = null; //Needs to be passed by ref
|
|
655
|
|
|
$this->hierarchy[count($this->hierarchy) - 1]->addCDATA($this->status['cdata'], $index);
|
|
|
|
|
|
|
656
|
|
|
return true;
|
|
657
|
|
|
}
|
|
658
|
|
|
|
|
659
|
9 |
|
function parse_comment() {
|
|
|
|
|
|
|
660
|
9 |
|
if (!parent::parse_comment()) {return false;}
|
|
661
|
|
|
|
|
662
|
|
|
//end($this->hierarchy)->addComment($this->status['comment']);
|
|
|
|
|
|
|
663
|
9 |
|
$index = null; //Needs to be passed by ref
|
|
664
|
9 |
|
$this->hierarchy[count($this->hierarchy) - 1]->addComment($this->status['comment'], $index);
|
|
|
|
|
|
|
665
|
9 |
|
return true;
|
|
666
|
|
|
}
|
|
667
|
|
|
|
|
668
|
|
|
function parse_conditional() {
|
|
|
|
|
|
|
669
|
|
|
if (!parent::parse_conditional()) {return false;}
|
|
670
|
|
|
|
|
671
|
|
|
if ($this->status['comment']) {
|
|
|
|
|
|
|
672
|
|
|
//$e = end($this->hierarchy)->addConditional($this->status['tag_condition'], true);
|
|
|
|
|
|
|
673
|
|
|
$index = null; //Needs to be passed by ref
|
|
674
|
|
|
$e = $this->hierarchy[count($this->hierarchy) - 1]->addConditional($this->status['tag_condition'], true, $index);
|
|
|
|
|
|
|
675
|
|
|
if ($this->status['text'] !== '') {
|
|
|
|
|
|
|
676
|
|
|
$index = null; //Needs to be passed by ref
|
|
677
|
|
|
$e->addText($this->status['text'], $index);
|
|
|
|
|
|
|
678
|
|
|
}
|
|
679
|
|
|
} else {
|
|
680
|
|
|
if ($this->status['closing_tag']) {
|
|
|
|
|
|
|
681
|
|
|
$this->parse_hierarchy(false);
|
|
682
|
|
|
} else {
|
|
683
|
|
|
//$this->hierarchy[] = end($this->hierarchy)->addConditional($this->status['tag_condition'], false);
|
|
|
|
|
|
|
684
|
|
|
$index = null; //Needs to be passed by ref
|
|
685
|
|
|
$this->hierarchy[] = $this->hierarchy[count($this->hierarchy) - 1]->addConditional($this->status['tag_condition'], false, $index);
|
|
|
|
|
|
|
686
|
|
|
}
|
|
687
|
|
|
}
|
|
688
|
|
|
|
|
689
|
|
|
return true;
|
|
690
|
|
|
}
|
|
691
|
|
|
|
|
692
|
9 |
|
function parse_doctype() {
|
|
|
|
|
|
|
693
|
9 |
|
if (!parent::parse_doctype()) {return false;}
|
|
694
|
|
|
|
|
695
|
|
|
//end($this->hierarchy)->addDoctype($this->status['dtd']);
|
|
|
|
|
|
|
696
|
9 |
|
$index = null; //Needs to be passed by ref
|
|
697
|
9 |
|
$this->hierarchy[count($this->hierarchy) - 1]->addDoctype($this->status['dtd'], $index);
|
|
|
|
|
|
|
698
|
9 |
|
return true;
|
|
699
|
|
|
}
|
|
700
|
|
|
|
|
701
|
|
|
function parse_php() {
|
|
|
|
|
|
|
702
|
|
|
if (!parent::parse_php()) {return false;}
|
|
703
|
|
|
|
|
704
|
|
|
//end($this->hierarchy)->addXML('php', $this->status['text']);
|
|
|
|
|
|
|
705
|
|
|
$index = null; //Needs to be passed by ref
|
|
706
|
|
|
$this->hierarchy[count($this->hierarchy) - 1]->addXML('php', $this->status['text'], $index);
|
|
|
|
|
|
|
707
|
|
|
return true;
|
|
708
|
|
|
}
|
|
709
|
|
|
|
|
710
|
|
|
function parse_asp() {
|
|
|
|
|
|
|
711
|
|
|
if (!parent::parse_asp()) {return false;}
|
|
712
|
|
|
|
|
713
|
|
|
//end($this->hierarchy)->addASP('', $this->status['text']);
|
|
|
|
|
|
|
714
|
|
|
$index = null; //Needs to be passed by ref
|
|
715
|
|
|
$this->hierarchy[count($this->hierarchy) - 1]->addASP('', $this->status['text'], $index);
|
|
|
|
|
|
|
716
|
|
|
return true;
|
|
717
|
|
|
}
|
|
718
|
|
|
|
|
719
|
|
|
function parse_script() {
|
|
|
|
|
|
|
720
|
|
|
if (!parent::parse_script()) {return false;}
|
|
721
|
|
|
|
|
722
|
|
|
//$e = end($this->hierarchy)->addChild($this->status);
|
|
|
|
|
|
|
723
|
|
|
$index = null; //Needs to be passed by ref
|
|
724
|
|
|
$e = $this->hierarchy[count($this->hierarchy) - 1]->addChild($this->status, $index);
|
|
|
|
|
|
|
725
|
|
|
if ($this->status['text'] !== '') {
|
|
|
|
|
|
|
726
|
|
|
$index = null; //Needs to be passed by ref
|
|
727
|
|
|
$e->addText($this->status['text'], $index);
|
|
|
|
|
|
|
728
|
|
|
}
|
|
729
|
|
|
return true;
|
|
730
|
|
|
}
|
|
731
|
|
|
|
|
732
|
9 |
|
function parse_style() {
|
|
|
|
|
|
|
733
|
9 |
|
if (!parent::parse_style()) {return false;}
|
|
734
|
|
|
|
|
735
|
|
|
//$e = end($this->hierarchy)->addChild($this->status);
|
|
|
|
|
|
|
736
|
9 |
|
$index = null; //Needs to be passed by ref
|
|
737
|
9 |
|
$e = $this->hierarchy[count($this->hierarchy) - 1]->addChild($this->status, $index);
|
|
|
|
|
|
|
738
|
9 |
|
if ($this->status['text'] !== '') {
|
|
|
|
|
|
|
739
|
9 |
|
$index = null; //Needs to be passed by ref
|
|
740
|
9 |
|
$e->addText($this->status['text'], $index);
|
|
|
|
|
|
|
741
|
9 |
|
}
|
|
742
|
9 |
|
return true;
|
|
743
|
|
|
}
|
|
744
|
|
|
|
|
745
|
37 |
|
function parse_tag_default() {
|
|
|
|
|
|
|
746
|
37 |
|
if (!parent::parse_tag_default()) {return false;}
|
|
747
|
|
|
|
|
748
|
37 |
|
$this->parse_hierarchy(($this->status['self_close']) ? true : null);
|
|
|
|
|
|
|
749
|
37 |
|
return true;
|
|
750
|
|
|
}
|
|
751
|
|
|
|
|
752
|
37 |
|
function parse_text() {
|
|
|
|
|
|
|
753
|
37 |
|
parent::parse_text();
|
|
754
|
37 |
|
if ($this->status['text'] !== '') {
|
|
|
|
|
|
|
755
|
|
|
//end($this->hierarchy)->addText($this->status['text']);
|
|
|
|
|
|
|
756
|
37 |
|
$index = null; //Needs to be passed by ref
|
|
757
|
37 |
|
$this->hierarchy[count($this->hierarchy) - 1]->addText($this->status['text'], $index);
|
|
|
|
|
|
|
758
|
37 |
|
}
|
|
759
|
37 |
|
}
|
|
760
|
|
|
|
|
761
|
37 |
|
function parse_all() {
|
|
|
|
|
|
|
762
|
37 |
|
$this->hierarchy = array(&$this->root);
|
|
763
|
37 |
|
return ((parent::parse_all()) ? $this->root : false);
|
|
|
|
|
|
|
764
|
|
|
}
|
|
765
|
|
|
}
|
|
766
|
|
|
|
|
767
|
|
|
/**
|
|
768
|
|
|
* HTML5 specific parser (adds support for omittable closing tags)
|
|
769
|
|
|
*/
|
|
770
|
|
|
class Html5Parser extends HtmlParser {
|
|
|
|
|
|
|
771
|
|
|
|
|
772
|
|
|
/**
|
|
773
|
|
|
* Tags with ommitable closing tags
|
|
774
|
|
|
* @var array array('tag2' => 'tag1') will close tag1 if following (not child) tag is tag2
|
|
775
|
|
|
* @access private
|
|
776
|
|
|
*/
|
|
777
|
|
|
var $tags_optional_close = array(
|
|
|
|
|
|
|
778
|
|
|
//Current tag => Previous tag
|
|
779
|
|
|
'li' => array('li' => true),
|
|
780
|
|
|
'dt' => array('dt' => true, 'dd' => true),
|
|
781
|
|
|
'dd' => array('dt' => true, 'dd' => true),
|
|
782
|
|
|
'address' => array('p' => true),
|
|
783
|
|
|
'article' => array('p' => true),
|
|
784
|
|
|
'aside' => array('p' => true),
|
|
785
|
|
|
'blockquote' => array('p' => true),
|
|
786
|
|
|
'dir' => array('p' => true),
|
|
787
|
|
|
'div' => array('p' => true),
|
|
788
|
|
|
'dl' => array('p' => true),
|
|
789
|
|
|
'fieldset' => array('p' => true),
|
|
790
|
|
|
'footer' => array('p' => true),
|
|
791
|
|
|
'form' => array('p' => true),
|
|
792
|
|
|
'h1' => array('p' => true),
|
|
793
|
|
|
'h2' => array('p' => true),
|
|
794
|
|
|
'h3' => array('p' => true),
|
|
795
|
|
|
'h4' => array('p' => true),
|
|
796
|
|
|
'h5' => array('p' => true),
|
|
797
|
|
|
'h6' => array('p' => true),
|
|
798
|
|
|
'header' => array('p' => true),
|
|
799
|
|
|
'hgroup' => array('p' => true),
|
|
800
|
|
|
'hr' => array('p' => true),
|
|
801
|
|
|
'menu' => array('p' => true),
|
|
802
|
|
|
'nav' => array('p' => true),
|
|
803
|
|
|
'ol' => array('p' => true),
|
|
804
|
|
|
'p' => array('p' => true),
|
|
805
|
|
|
'pre' => array('p' => true),
|
|
806
|
|
|
'section' => array('p' => true),
|
|
807
|
|
|
'table' => array('p' => true),
|
|
808
|
|
|
'ul' => array('p' => true),
|
|
809
|
|
|
'rt' => array('rt' => true, 'rp' => true),
|
|
810
|
|
|
'rp' => array('rt' => true, 'rp' => true),
|
|
811
|
|
|
'optgroup' => array('optgroup' => true, 'option' => true),
|
|
812
|
|
|
'option' => array('option'),
|
|
813
|
|
|
'tbody' => array('thread' => true, 'tbody' => true, 'tfoot' => true),
|
|
814
|
|
|
'tfoot' => array('thread' => true, 'tbody' => true),
|
|
815
|
|
|
'tr' => array('tr' => true),
|
|
816
|
|
|
'td' => array('td' => true, 'th' => true),
|
|
817
|
|
|
'th' => array('td' => true, 'th' => true),
|
|
818
|
|
|
'body' => array('head' => true)
|
|
819
|
|
|
);
|
|
820
|
|
|
|
|
821
|
37 |
|
protected function parse_hierarchy($self_close = null) {
|
|
822
|
37 |
|
$tag_curr = strtolower($this->status['tag_name']);
|
|
|
|
|
|
|
823
|
37 |
|
if ($self_close === null) {
|
|
824
|
37 |
|
$this->status['self_close'] = ($self_close = isset($this->tags_selfclose[$tag_curr]));
|
|
|
|
|
|
|
825
|
37 |
|
}
|
|
826
|
|
|
|
|
827
|
37 |
|
if (! ($self_close || $this->status['closing_tag'])) {
|
|
|
|
|
|
|
828
|
|
|
//$tag_prev = strtolower(end($this->hierarchy)->tag);
|
|
|
|
|
|
|
829
|
37 |
|
$tag_prev = strtolower($this->hierarchy[count($this->hierarchy) - 1]->tag);
|
|
|
|
|
|
|
830
|
37 |
|
if (isset($this->tags_optional_close[$tag_curr]) && isset($this->tags_optional_close[$tag_curr][$tag_prev])) {
|
|
831
|
|
|
array_pop($this->hierarchy);
|
|
|
|
|
|
|
832
|
|
|
}
|
|
833
|
37 |
|
}
|
|
834
|
|
|
|
|
835
|
37 |
|
return parent::parse_hierarchy($self_close);
|
|
836
|
|
|
}
|
|
837
|
|
|
}
|
|
838
|
|
|
|
|
839
|
|
|
?> |
|
|
|
|
|
tburry /
pquery
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The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.