mirror of
https://github.com/FH-Complete/FHC-Core.git
synced 2026-07-03 03:49:29 +00:00
Removed the directories cis/private/lehre/ects and include/safehtml
This commit is contained in:
Paolo
@@ -1,687 +0,0 @@
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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//
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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||||
// | Copyright (c) 1997-2002 The PHP Group |
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// +----------------------------------------------------------------------+
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||||
// | This source file is subject to version 2.02 of the PHP license, |
|
||||
// | that is bundled with this package in the file LICENSE, and is |
|
||||
// | available at through the world-wide-web at |
|
||||
// | http://www.php.net/license/3_0.txt. |
|
||||
// | If you did not receive a copy of the PHP license and are unable to |
|
||||
// | obtain it through the world-wide-web, please send a note to |
|
||||
// | license@php.net so we can mail you a copy immediately. |
|
||||
// +----------------------------------------------------------------------+
|
||||
// | Authors: Alexander Zhukov <alex@veresk.ru> Original port from Python |
|
||||
// | Authors: Harry Fuecks <hfuecks@phppatterns.com> Port to PEAR + more |
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||||
// | Authors: Many @ Sitepointforums Advanced PHP Forums |
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||||
// +----------------------------------------------------------------------+
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//
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// $Id: HTMLSax3.php,v 1.1 2007/07/20 17:16:35 claudiucristea Exp $
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//
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||||
/**
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||||
* Main parser components
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||||
* @package XML_HTMLSax3
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* @version $Id: HTMLSax3.php,v 1.1 2007/07/20 17:16:35 claudiucristea Exp $
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||||
*/
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||||
/**
|
||||
* Required classes
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||||
*/
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||||
if (!defined('XML_HTMLSAX3')) {
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||||
define('XML_HTMLSAX3', 'XML/');
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}
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||||
require_once(XML_HTMLSAX3 . 'HTMLSax3/States.php');
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require_once(XML_HTMLSAX3 . 'HTMLSax3/Decorators.php');
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||||
|
||||
/**
|
||||
* Base State Parser
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||||
* @package XML_HTMLSax3
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* @access protected
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* @abstract
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||||
*/
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||||
class XML_HTMLSax3_StateParser {
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||||
/**
|
||||
* Instance of user front end class to be passed to callbacks
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||||
* @var XML_HTMLSax3
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||||
* @access private
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||||
*/
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||||
var $htmlsax;
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||||
/**
|
||||
* User defined object for handling elements
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||||
* @var object
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* @access private
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*/
|
||||
var $handler_object_element;
|
||||
/**
|
||||
* User defined open tag handler method
|
||||
* @var string
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* @access private
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||||
*/
|
||||
var $handler_method_opening;
|
||||
/**
|
||||
* User defined close tag handler method
|
||||
* @var string
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* @access private
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*/
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var $handler_method_closing;
|
||||
/**
|
||||
* User defined object for handling data in elements
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||||
* @var object
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||||
* @access private
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||||
*/
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||||
var $handler_object_data;
|
||||
/**
|
||||
* User defined data handler method
|
||||
* @var string
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||||
* @access private
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||||
*/
|
||||
var $handler_method_data;
|
||||
/**
|
||||
* User defined object for handling processing instructions
|
||||
* @var object
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||||
* @access private
|
||||
*/
|
||||
var $handler_object_pi;
|
||||
/**
|
||||
* User defined processing instruction handler method
|
||||
* @var string
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||||
* @access private
|
||||
*/
|
||||
var $handler_method_pi;
|
||||
/**
|
||||
* User defined object for handling JSP/ASP tags
|
||||
* @var object
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||||
* @access private
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||||
*/
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||||
var $handler_object_jasp;
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||||
/**
|
||||
* User defined JSP/ASP handler method
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||||
* @var string
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||||
* @access private
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||||
*/
|
||||
var $handler_method_jasp;
|
||||
/**
|
||||
* User defined object for handling XML escapes
|
||||
* @var object
|
||||
* @access private
|
||||
*/
|
||||
var $handler_object_escape;
|
||||
/**
|
||||
* User defined XML escape handler method
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $handler_method_escape;
|
||||
/**
|
||||
* User defined handler object or NullHandler
|
||||
* @var object
|
||||
* @access private
|
||||
*/
|
||||
var $handler_default;
|
||||
/**
|
||||
* Parser options determining parsing behavior
|
||||
* @var array
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||||
* @access private
|
||||
*/
|
||||
var $parser_options = array();
|
||||
/**
|
||||
* XML document being parsed
|
||||
* @var string
|
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* @access private
|
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*/
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||||
var $rawtext;
|
||||
/**
|
||||
* Position in XML document relative to start (0)
|
||||
* @var int
|
||||
* @access private
|
||||
*/
|
||||
var $position;
|
||||
/**
|
||||
* Length of the XML document in characters
|
||||
* @var int
|
||||
* @access private
|
||||
*/
|
||||
var $length;
|
||||
/**
|
||||
* Array of state objects
|
||||
* @var array
|
||||
* @access private
|
||||
*/
|
||||
var $State = array();
|
||||
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_StateParser setting up states
|
||||
* @var XML_HTMLSax3 instance of user front end class
|
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* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_StateParser (& $htmlsax) {
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||||
$this->htmlsax = & $htmlsax;
|
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$this->State[XML_HTMLSAX3_STATE_START] = new XML_HTMLSax3_StartingState();
|
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|
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$this->State[XML_HTMLSAX3_STATE_CLOSING_TAG] = new XML_HTMLSax3_ClosingTagState();
|
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$this->State[XML_HTMLSAX3_STATE_TAG] = new XML_HTMLSax3_TagState();
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$this->State[XML_HTMLSAX3_STATE_OPENING_TAG] = new XML_HTMLSax3_OpeningTagState();
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||||
$this->State[XML_HTMLSAX3_STATE_PI] = new XML_HTMLSax3_PiState();
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$this->State[XML_HTMLSAX3_STATE_JASP] = new XML_HTMLSax3_JaspState();
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$this->State[XML_HTMLSAX3_STATE_ESCAPE] = new XML_HTMLSax3_EscapeState();
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||||
}
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||||
|
||||
/**
|
||||
* Moves the position back one character
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* @access protected
|
||||
* @return void
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||||
*/
|
||||
function unscanCharacter() {
|
||||
$this->position -= 1;
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||||
}
|
||||
|
||||
/**
|
||||
* Moves the position forward one character
|
||||
* @access protected
|
||||
* @return void
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||||
*/
|
||||
function ignoreCharacter() {
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||||
$this->position += 1;
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||||
}
|
||||
|
||||
/**
|
||||
* Returns the next character from the XML document or void if at end
|
||||
* @access protected
|
||||
* @return mixed
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||||
*/
|
||||
function scanCharacter() {
|
||||
if ($this->position < $this->length) {
|
||||
return $this->rawtext{$this->position++};
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a string from the current position to the next occurance
|
||||
* of the supplied string
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||||
* @param string string to search until
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||||
* @access protected
|
||||
* @return string
|
||||
*/
|
||||
function scanUntilString($string) {
|
||||
$start = $this->position;
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||||
$this->position = strpos($this->rawtext, $string, $start);
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||||
if ($this->position === FALSE) {
|
||||
$this->position = $this->length;
|
||||
}
|
||||
return substr($this->rawtext, $start, $this->position - $start);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a string from the current position until the first instance of
|
||||
* one of the characters in the supplied string argument
|
||||
* @param string string to search until
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||||
* @access protected
|
||||
* @return string
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||||
* @abstract
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||||
*/
|
||||
function scanUntilCharacters($string) {}
|
||||
|
||||
/**
|
||||
* Moves the position forward past any whitespace characters
|
||||
* @access protected
|
||||
* @return void
|
||||
* @abstract
|
||||
*/
|
||||
function ignoreWhitespace() {}
|
||||
|
||||
/**
|
||||
* Begins the parsing operation, setting up any decorators, depending on
|
||||
* parse options invoking _parse() to execute parsing
|
||||
* @param string XML document to parse
|
||||
* @access protected
|
||||
* @return void
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||||
*/
|
||||
function parse($data) {
|
||||
if ($this->parser_options['XML_OPTION_TRIM_DATA_NODES']==1) {
|
||||
$decorator = new XML_HTMLSax3_Trim(
|
||||
$this->handler_object_data,
|
||||
$this->handler_method_data);
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||||
$this->handler_object_data =& $decorator;
|
||||
$this->handler_method_data = 'trimData';
|
||||
}
|
||||
if ($this->parser_options['XML_OPTION_CASE_FOLDING']==1) {
|
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$open_decor = new XML_HTMLSax3_CaseFolding(
|
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$this->handler_object_element,
|
||||
$this->handler_method_opening,
|
||||
$this->handler_method_closing);
|
||||
$this->handler_object_element =& $open_decor;
|
||||
$this->handler_method_opening ='foldOpen';
|
||||
$this->handler_method_closing ='foldClose';
|
||||
}
|
||||
if ($this->parser_options['XML_OPTION_LINEFEED_BREAK']==1) {
|
||||
$decorator = new XML_HTMLSax3_Linefeed(
|
||||
$this->handler_object_data,
|
||||
$this->handler_method_data);
|
||||
$this->handler_object_data =& $decorator;
|
||||
$this->handler_method_data = 'breakData';
|
||||
}
|
||||
if ($this->parser_options['XML_OPTION_TAB_BREAK']==1) {
|
||||
$decorator = new XML_HTMLSax3_Tab(
|
||||
$this->handler_object_data,
|
||||
$this->handler_method_data);
|
||||
$this->handler_object_data =& $decorator;
|
||||
$this->handler_method_data = 'breakData';
|
||||
}
|
||||
if ($this->parser_options['XML_OPTION_ENTITIES_UNPARSED']==1) {
|
||||
$decorator = new XML_HTMLSax3_Entities_Unparsed(
|
||||
$this->handler_object_data,
|
||||
$this->handler_method_data);
|
||||
$this->handler_object_data =& $decorator;
|
||||
$this->handler_method_data = 'breakData';
|
||||
}
|
||||
if ($this->parser_options['XML_OPTION_ENTITIES_PARSED']==1) {
|
||||
$decorator = new XML_HTMLSax3_Entities_Parsed(
|
||||
$this->handler_object_data,
|
||||
$this->handler_method_data);
|
||||
$this->handler_object_data =& $decorator;
|
||||
$this->handler_method_data = 'breakData';
|
||||
}
|
||||
// Note switched on by default
|
||||
if ($this->parser_options['XML_OPTION_STRIP_ESCAPES']==1) {
|
||||
$decorator = new XML_HTMLSax3_Escape_Stripper(
|
||||
$this->handler_object_escape,
|
||||
$this->handler_method_escape);
|
||||
$this->handler_object_escape =& $decorator;
|
||||
$this->handler_method_escape = 'strip';
|
||||
}
|
||||
$this->rawtext = $data;
|
||||
$this->length = strlen($data);
|
||||
$this->position = 0;
|
||||
$this->_parse();
|
||||
}
|
||||
|
||||
/**
|
||||
* Performs the parsing itself, delegating calls to a specific parser
|
||||
* state
|
||||
* @param constant state object to parse with
|
||||
* @access protected
|
||||
* @return void
|
||||
*/
|
||||
function _parse($state = XML_HTMLSAX3_STATE_START) {
|
||||
do {
|
||||
$state = $this->State[$state]->parse($this);
|
||||
} while ($state != XML_HTMLSAX3_STATE_STOP &&
|
||||
$this->position < $this->length);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Parser for PHP Versions below 4.3.0. Uses a slower parsing mechanism than
|
||||
* the equivalent PHP 4.3.0+ subclass of StateParser
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
* @see XML_HTMLSax3_StateParser_Gtet430
|
||||
*/
|
||||
class XML_HTMLSax3_StateParser_Lt430 extends XML_HTMLSax3_StateParser {
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_StateParser_Lt430 defining available
|
||||
* parser options
|
||||
* @var XML_HTMLSax3 instance of user front end class
|
||||
* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_StateParser_Lt430(& $htmlsax) {
|
||||
parent::XML_HTMLSax3_StateParser($htmlsax);
|
||||
$this->parser_options['XML_OPTION_TRIM_DATA_NODES'] = 0;
|
||||
$this->parser_options['XML_OPTION_CASE_FOLDING'] = 0;
|
||||
$this->parser_options['XML_OPTION_LINEFEED_BREAK'] = 0;
|
||||
$this->parser_options['XML_OPTION_TAB_BREAK'] = 0;
|
||||
$this->parser_options['XML_OPTION_ENTITIES_PARSED'] = 0;
|
||||
$this->parser_options['XML_OPTION_ENTITIES_UNPARSED'] = 0;
|
||||
$this->parser_options['XML_OPTION_STRIP_ESCAPES'] = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a string from the current position until the first instance of
|
||||
* one of the characters in the supplied string argument
|
||||
* @param string string to search until
|
||||
* @access protected
|
||||
* @return string
|
||||
*/
|
||||
function scanUntilCharacters($string) {
|
||||
$startpos = $this->position;
|
||||
while ($this->position < $this->length && strpos($string, $this->rawtext{$this->position}) === FALSE) {
|
||||
$this->position++;
|
||||
}
|
||||
return substr($this->rawtext, $startpos, $this->position - $startpos);
|
||||
}
|
||||
|
||||
/**
|
||||
* Moves the position forward past any whitespace characters
|
||||
* @access protected
|
||||
* @return void
|
||||
*/
|
||||
function ignoreWhitespace() {
|
||||
while ($this->position < $this->length &&
|
||||
strpos(" \n\r\t", $this->rawtext{$this->position}) !== FALSE) {
|
||||
$this->position++;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Begins the parsing operation, setting up the unparsed XML entities
|
||||
* decorator if necessary then delegating further work to parent
|
||||
* @param string XML document to parse
|
||||
* @access protected
|
||||
* @return void
|
||||
*/
|
||||
function parse($data) {
|
||||
parent::parse($data);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Parser for PHP Versions equal to or greater than 4.3.0. Uses a faster
|
||||
* parsing mechanism than the equivalent PHP < 4.3.0 subclass of StateParser
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
* @see XML_HTMLSax3_StateParser_Lt430
|
||||
*/
|
||||
class XML_HTMLSax3_StateParser_Gtet430 extends XML_HTMLSax3_StateParser {
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_StateParser_Gtet430 defining available
|
||||
* parser options
|
||||
* @var XML_HTMLSax3 instance of user front end class
|
||||
* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_StateParser_Gtet430(& $htmlsax) {
|
||||
parent::XML_HTMLSax3_StateParser($htmlsax);
|
||||
$this->parser_options['XML_OPTION_TRIM_DATA_NODES'] = 0;
|
||||
$this->parser_options['XML_OPTION_CASE_FOLDING'] = 0;
|
||||
$this->parser_options['XML_OPTION_LINEFEED_BREAK'] = 0;
|
||||
$this->parser_options['XML_OPTION_TAB_BREAK'] = 0;
|
||||
$this->parser_options['XML_OPTION_ENTITIES_PARSED'] = 0;
|
||||
$this->parser_options['XML_OPTION_ENTITIES_UNPARSED'] = 0;
|
||||
$this->parser_options['XML_OPTION_STRIP_ESCAPES'] = 0;
|
||||
}
|
||||
/**
|
||||
* Returns a string from the current position until the first instance of
|
||||
* one of the characters in the supplied string argument.
|
||||
* @param string string to search until
|
||||
* @access protected
|
||||
* @return string
|
||||
*/
|
||||
function scanUntilCharacters($string) {
|
||||
$startpos = $this->position;
|
||||
$length = strcspn($this->rawtext, $string, $startpos);
|
||||
$this->position += $length;
|
||||
return substr($this->rawtext, $startpos, $length);
|
||||
}
|
||||
|
||||
/**
|
||||
* Moves the position forward past any whitespace characters
|
||||
* @access protected
|
||||
* @return void
|
||||
*/
|
||||
function ignoreWhitespace() {
|
||||
$this->position += strspn($this->rawtext, " \n\r\t", $this->position);
|
||||
}
|
||||
|
||||
/**
|
||||
* Begins the parsing operation, setting up the parsed and unparsed
|
||||
* XML entity decorators if necessary then delegating further work
|
||||
* to parent
|
||||
* @param string XML document to parse
|
||||
* @access protected
|
||||
* @return void
|
||||
*/
|
||||
function parse($data) {
|
||||
parent::parse($data);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Default NullHandler for methods which were not set by user
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_NullHandler {
|
||||
/**
|
||||
* Generic handler method which does nothing
|
||||
* @access protected
|
||||
* @return void
|
||||
*/
|
||||
function DoNothing() {
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* User interface class. All user calls should only be made to this class
|
||||
* @package XML_HTMLSax3
|
||||
* @access public
|
||||
*/
|
||||
class XML_HTMLSax3 {
|
||||
/**
|
||||
* Instance of concrete subclass of XML_HTMLSax3_StateParser
|
||||
* @var XML_HTMLSax3_StateParser
|
||||
* @access private
|
||||
*/
|
||||
var $state_parser;
|
||||
|
||||
/**
|
||||
* Constructs XML_HTMLSax3 selecting concrete StateParser subclass
|
||||
* depending on PHP version being used as well as setting the default
|
||||
* NullHandler for all callbacks<br />
|
||||
* <b>Example:</b>
|
||||
* <pre>
|
||||
* $myHandler = & new MyHandler();
|
||||
* $parser = new XML_HTMLSax3();
|
||||
* $parser->set_object($myHandler);
|
||||
* $parser->set_option('XML_OPTION_CASE_FOLDING');
|
||||
* $parser->set_element_handler('myOpenHandler','myCloseHandler');
|
||||
* $parser->set_data_handler('myDataHandler');
|
||||
* $parser->parser($xml);
|
||||
* </pre>
|
||||
* @access public
|
||||
*/
|
||||
function XML_HTMLSax3() {
|
||||
if (version_compare(phpversion(), '4.3', 'ge')) {
|
||||
$this->state_parser = new XML_HTMLSax3_StateParser_Gtet430($this);
|
||||
} else {
|
||||
$this->state_parser = new XML_HTMLSax3_StateParser_Lt430($this);
|
||||
}
|
||||
$nullhandler = new XML_HTMLSax3_NullHandler();
|
||||
$this->set_object($nullhandler);
|
||||
$this->set_element_handler('DoNothing', 'DoNothing');
|
||||
$this->set_data_handler('DoNothing');
|
||||
$this->set_pi_handler('DoNothing');
|
||||
$this->set_jasp_handler('DoNothing');
|
||||
$this->set_escape_handler('DoNothing');
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the user defined handler object. Returns a PEAR Error
|
||||
* if supplied argument is not an object.
|
||||
* @param object handler object containing SAX callback methods
|
||||
* @access public
|
||||
* @return mixed
|
||||
*/
|
||||
function set_object(&$object) {
|
||||
if ( is_object($object) ) {
|
||||
$this->state_parser->handler_default =& $object;
|
||||
return true;
|
||||
} else {
|
||||
require_once('PEAR.php');
|
||||
PEAR::raiseError('XML_HTMLSax3::set_object requires '.
|
||||
'an object instance');
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets a parser option. By default all options are switched off.
|
||||
* Returns a PEAR Error if option is invalid<br />
|
||||
* <b>Available options:</b>
|
||||
* <ul>
|
||||
* <li>XML_OPTION_TRIM_DATA_NODES: trim whitespace off the beginning
|
||||
* and end of data passed to the data handler</li>
|
||||
* <li>XML_OPTION_LINEFEED_BREAK: linefeeds result in additional data
|
||||
* handler calls</li>
|
||||
* <li>XML_OPTION_TAB_BREAK: tabs result in additional data handler
|
||||
* calls</li>
|
||||
* <li>XML_OPTION_ENTITIES_UNPARSED: XML entities are returned as
|
||||
* seperate data handler calls in unparsed form</li>
|
||||
* <li>XML_OPTION_ENTITIES_PARSED: (PHP 4.3.0+ only) XML entities are
|
||||
* returned as seperate data handler calls and are parsed with
|
||||
* PHP's html_entity_decode() function</li>
|
||||
* <li>XML_OPTION_STRIP_ESCAPES: strips out the -- -- comment markers
|
||||
* or CDATA markup inside an XML escape, if found.</li>
|
||||
* </ul>
|
||||
* To get HTMLSax to behave in the same way as the native PHP SAX parser,
|
||||
* using it's default state, you need to switch on XML_OPTION_LINEFEED_BREAK,
|
||||
* XML_OPTION_ENTITIES_PARSED and XML_OPTION_CASE_FOLDING
|
||||
* @param string name of parser option
|
||||
* @param int (optional) 1 to switch on, 0 for off
|
||||
* @access public
|
||||
* @return boolean
|
||||
*/
|
||||
function set_option($name, $value=1) {
|
||||
if ( array_key_exists($name,$this->state_parser->parser_options) ) {
|
||||
$this->state_parser->parser_options[$name] = $value;
|
||||
return true;
|
||||
} else {
|
||||
require_once('PEAR.php');
|
||||
PEAR::raiseError('XML_HTMLSax3::set_option('.$name.') illegal');
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the data handler method which deals with the contents of XML
|
||||
* elements.<br />
|
||||
* The handler method must accept two arguments, the first being an
|
||||
* instance of XML_HTMLSax3 and the second being the contents of an
|
||||
* XML element e.g.
|
||||
* <pre>
|
||||
* function myDataHander(& $parser,$data){}
|
||||
* </pre>
|
||||
* @param string name of method
|
||||
* @access public
|
||||
* @return void
|
||||
* @see set_object
|
||||
*/
|
||||
function set_data_handler($data_method) {
|
||||
$this->state_parser->handler_object_data =& $this->state_parser->handler_default;
|
||||
$this->state_parser->handler_method_data = $data_method;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the open and close tag handlers
|
||||
* <br />The open handler method must accept three arguments; the parser,
|
||||
* the tag name and an array of attributes e.g.
|
||||
* <pre>
|
||||
* function myOpenHander(& $parser,$tagname,$attrs=array()){}
|
||||
* </pre>
|
||||
* The close handler method must accept two arguments; the parser and
|
||||
* the tag name e.g.
|
||||
* <pre>
|
||||
* function myCloseHander(& $parser,$tagname){}
|
||||
* </pre>
|
||||
* @param string name of open method
|
||||
* @param string name of close method
|
||||
* @access public
|
||||
* @return void
|
||||
* @see set_object
|
||||
*/
|
||||
function set_element_handler($opening_method, $closing_method) {
|
||||
$this->state_parser->handler_object_element =& $this->state_parser->handler_default;
|
||||
$this->state_parser->handler_method_opening = $opening_method;
|
||||
$this->state_parser->handler_method_closing = $closing_method;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the processing instruction handler method e.g. for PHP open
|
||||
* and close tags<br />
|
||||
* The handler method must accept three arguments; the parser, the
|
||||
* PI target and data inside the PI
|
||||
* <pre>
|
||||
* function myPIHander(& $parser,$target, $data){}
|
||||
* </pre>
|
||||
* @param string name of method
|
||||
* @access public
|
||||
* @return void
|
||||
* @see set_object
|
||||
*/
|
||||
function set_pi_handler($pi_method) {
|
||||
$this->state_parser->handler_object_pi =& $this->state_parser->handler_default;
|
||||
$this->state_parser->handler_method_pi = $pi_method;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the XML escape handler method e.g. for comments and doctype
|
||||
* declarations<br />
|
||||
* The handler method must accept two arguments; the parser and the
|
||||
* contents of the escaped section
|
||||
* <pre>
|
||||
* function myEscapeHander(& $parser, $data){}
|
||||
* </pre>
|
||||
* @param string name of method
|
||||
* @access public
|
||||
* @return void
|
||||
* @see set_object
|
||||
*/
|
||||
function set_escape_handler($escape_method) {
|
||||
$this->state_parser->handler_object_escape =& $this->state_parser->handler_default;
|
||||
$this->state_parser->handler_method_escape = $escape_method;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the JSP/ASP markup handler<br />
|
||||
* The handler method must accept two arguments; the parser and
|
||||
* body of the JASP tag
|
||||
* <pre>
|
||||
* function myJaspHander(& $parser, $data){}
|
||||
* </pre>
|
||||
* @param string name of method
|
||||
* @access public
|
||||
* @return void
|
||||
* @see set_object
|
||||
*/
|
||||
function set_jasp_handler ($jasp_method) {
|
||||
$this->state_parser->handler_object_jasp =& $this->state_parser->handler_default;
|
||||
$this->state_parser->handler_method_jasp = $jasp_method;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the current string position of the "cursor" inside the XML
|
||||
* document
|
||||
* <br />Intended for use from within a user defined handler called
|
||||
* via the $parser reference e.g.
|
||||
* <pre>
|
||||
* function myDataHandler(& $parser,$data) {
|
||||
* echo( 'Current position: '.$parser->get_current_position() );
|
||||
* }
|
||||
* </pre>
|
||||
* @access public
|
||||
* @return int
|
||||
* @see get_length
|
||||
*/
|
||||
function get_current_position() {
|
||||
return $this->state_parser->position;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the string length of the XML document being parsed
|
||||
* @access public
|
||||
* @return int
|
||||
*/
|
||||
function get_length() {
|
||||
return $this->state_parser->length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Start parsing some XML
|
||||
* @param string XML document
|
||||
* @access public
|
||||
* @return void
|
||||
*/
|
||||
function parse($data) {
|
||||
$this->state_parser->parse($data);
|
||||
}
|
||||
}
|
||||
?>
|
||||
@@ -1,363 +0,0 @@
|
||||
<?php
|
||||
/* vim: set expandtab tabstop=4 shiftwidth=4: */
|
||||
//
|
||||
// +----------------------------------------------------------------------+
|
||||
// | PHP Version 4 |
|
||||
// +----------------------------------------------------------------------+
|
||||
// | Copyright (c) 1997-2002 The PHP Group |
|
||||
// +----------------------------------------------------------------------+
|
||||
// | This source file is subject to version 2.02 of the PHP license, |
|
||||
// | that is bundled with this package in the file LICENSE, and is |
|
||||
// | available at through the world-wide-web at |
|
||||
// | http://www.php.net/license/3_0.txt. |
|
||||
// | If you did not receive a copy of the PHP license and are unable to |
|
||||
// | obtain it through the world-wide-web, please send a note to |
|
||||
// | license@php.net so we can mail you a copy immediately. |
|
||||
// +----------------------------------------------------------------------+
|
||||
// | Authors: Alexander Zhukov <alex@veresk.ru> Original port from Python |
|
||||
// | Authors: Harry Fuecks <hfuecks@phppatterns.com> Port to PEAR + more |
|
||||
// | Authors: Many @ Sitepointforums Advanced PHP Forums |
|
||||
// +----------------------------------------------------------------------+
|
||||
//
|
||||
// $Id: Decorators.php,v 1.1 2007/07/20 17:16:35 claudiucristea Exp $
|
||||
//
|
||||
/**
|
||||
* Decorators for dealing with parser options
|
||||
* @package XML_HTMLSax3
|
||||
* @version $Id: Decorators.php,v 1.1 2007/07/20 17:16:35 claudiucristea Exp $
|
||||
* @see XML_HTMLSax3::set_option
|
||||
*/
|
||||
/**
|
||||
* Trims the contents of element data from whitespace at start and end
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_Trim {
|
||||
/**
|
||||
* Original handler object
|
||||
* @var object
|
||||
* @access private
|
||||
*/
|
||||
var $orig_obj;
|
||||
/**
|
||||
* Original handler method
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $orig_method;
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_Trim
|
||||
* @param object handler object being decorated
|
||||
* @param string original handler method
|
||||
* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_Trim(&$orig_obj, $orig_method) {
|
||||
$this->orig_obj =& $orig_obj;
|
||||
$this->orig_method = $orig_method;
|
||||
}
|
||||
/**
|
||||
* Trims the data
|
||||
* @param XML_HTMLSax3
|
||||
* @param string element data
|
||||
* @access protected
|
||||
*/
|
||||
function trimData(&$parser, $data) {
|
||||
$data = trim($data);
|
||||
if ($data != '') {
|
||||
$this->orig_obj->{$this->orig_method}($parser, $data);
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Coverts tag names to upper case
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_CaseFolding {
|
||||
/**
|
||||
* Original handler object
|
||||
* @var object
|
||||
* @access private
|
||||
*/
|
||||
var $orig_obj;
|
||||
/**
|
||||
* Original open handler method
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $orig_open_method;
|
||||
/**
|
||||
* Original close handler method
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $orig_close_method;
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_CaseFolding
|
||||
* @param object handler object being decorated
|
||||
* @param string original open handler method
|
||||
* @param string original close handler method
|
||||
* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_CaseFolding(&$orig_obj, $orig_open_method, $orig_close_method) {
|
||||
$this->orig_obj =& $orig_obj;
|
||||
$this->orig_open_method = $orig_open_method;
|
||||
$this->orig_close_method = $orig_close_method;
|
||||
}
|
||||
/**
|
||||
* Folds up open tag callbacks
|
||||
* @param XML_HTMLSax3
|
||||
* @param string tag name
|
||||
* @param array tag attributes
|
||||
* @access protected
|
||||
*/
|
||||
function foldOpen(&$parser, $tag, $attrs=array(), $empty = FALSE) {
|
||||
$this->orig_obj->{$this->orig_open_method}($parser, strtoupper($tag), $attrs, $empty);
|
||||
}
|
||||
/**
|
||||
* Folds up close tag callbacks
|
||||
* @param XML_HTMLSax3
|
||||
* @param string tag name
|
||||
* @access protected
|
||||
*/
|
||||
function foldClose(&$parser, $tag, $empty = FALSE) {
|
||||
$this->orig_obj->{$this->orig_close_method}($parser, strtoupper($tag), $empty);
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Breaks up data by linefeed characters, resulting in additional
|
||||
* calls to the data handler
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_Linefeed {
|
||||
/**
|
||||
* Original handler object
|
||||
* @var object
|
||||
* @access private
|
||||
*/
|
||||
var $orig_obj;
|
||||
/**
|
||||
* Original handler method
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $orig_method;
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_LineFeed
|
||||
* @param object handler object being decorated
|
||||
* @param string original handler method
|
||||
* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_LineFeed(&$orig_obj, $orig_method) {
|
||||
$this->orig_obj =& $orig_obj;
|
||||
$this->orig_method = $orig_method;
|
||||
}
|
||||
/**
|
||||
* Breaks the data up by linefeeds
|
||||
* @param XML_HTMLSax3
|
||||
* @param string element data
|
||||
* @access protected
|
||||
*/
|
||||
function breakData(&$parser, $data) {
|
||||
$data = explode("\n",$data);
|
||||
foreach ( $data as $chunk ) {
|
||||
$this->orig_obj->{$this->orig_method}($parser, $chunk);
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Breaks up data by tab characters, resulting in additional
|
||||
* calls to the data handler
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_Tab {
|
||||
/**
|
||||
* Original handler object
|
||||
* @var object
|
||||
* @access private
|
||||
*/
|
||||
var $orig_obj;
|
||||
/**
|
||||
* Original handler method
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $orig_method;
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_Tab
|
||||
* @param object handler object being decorated
|
||||
* @param string original handler method
|
||||
* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_Tab(&$orig_obj, $orig_method) {
|
||||
$this->orig_obj =& $orig_obj;
|
||||
$this->orig_method = $orig_method;
|
||||
}
|
||||
/**
|
||||
* Breaks the data up by linefeeds
|
||||
* @param XML_HTMLSax3
|
||||
* @param string element data
|
||||
* @access protected
|
||||
*/
|
||||
function breakData(&$parser, $data) {
|
||||
$data = explode("\t",$data);
|
||||
foreach ( $data as $chunk ) {
|
||||
$this->orig_obj->{$this->orig_method}($this, $chunk);
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Breaks up data by XML entities and parses them with html_entity_decode(),
|
||||
* resulting in additional calls to the data handler<br />
|
||||
* Requires PHP 4.3.0+
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_Entities_Parsed {
|
||||
/**
|
||||
* Original handler object
|
||||
* @var object
|
||||
* @access private
|
||||
*/
|
||||
var $orig_obj;
|
||||
/**
|
||||
* Original handler method
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $orig_method;
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_Entities_Parsed
|
||||
* @param object handler object being decorated
|
||||
* @param string original handler method
|
||||
* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_Entities_Parsed(&$orig_obj, $orig_method) {
|
||||
$this->orig_obj =& $orig_obj;
|
||||
$this->orig_method = $orig_method;
|
||||
}
|
||||
/**
|
||||
* Breaks the data up by XML entities
|
||||
* @param XML_HTMLSax3
|
||||
* @param string element data
|
||||
* @access protected
|
||||
*/
|
||||
function breakData(&$parser, $data) {
|
||||
$data = preg_split('/(&.+?;)/',$data,-1,PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
|
||||
foreach ( $data as $chunk ) {
|
||||
$chunk = html_entity_decode($chunk,ENT_NOQUOTES);
|
||||
$this->orig_obj->{$this->orig_method}($this, $chunk);
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Compatibility with older PHP versions
|
||||
*/
|
||||
if (version_compare(phpversion(), '4.3', '<') && !function_exists('html_entity_decode') ) {
|
||||
function html_entity_decode($str, $style=ENT_NOQUOTES) {
|
||||
return strtr($str,
|
||||
array_flip(get_html_translation_table(HTML_ENTITIES,$style)));
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Breaks up data by XML entities but leaves them unparsed,
|
||||
* resulting in additional calls to the data handler<br />
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_Entities_Unparsed {
|
||||
/**
|
||||
* Original handler object
|
||||
* @var object
|
||||
* @access private
|
||||
*/
|
||||
var $orig_obj;
|
||||
/**
|
||||
* Original handler method
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $orig_method;
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_Entities_Unparsed
|
||||
* @param object handler object being decorated
|
||||
* @param string original handler method
|
||||
* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_Entities_Unparsed(&$orig_obj, $orig_method) {
|
||||
$this->orig_obj =& $orig_obj;
|
||||
$this->orig_method = $orig_method;
|
||||
}
|
||||
/**
|
||||
* Breaks the data up by XML entities
|
||||
* @param XML_HTMLSax3
|
||||
* @param string element data
|
||||
* @access protected
|
||||
*/
|
||||
function breakData(&$parser, $data) {
|
||||
$data = preg_split('/(&.+?;)/',$data,-1,PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
|
||||
foreach ( $data as $chunk ) {
|
||||
$this->orig_obj->{$this->orig_method}($this, $chunk);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Strips the HTML comment markers or CDATA sections from an escape.
|
||||
* If XML_OPTIONS_FULL_ESCAPES is on, this decorator is not used.<br />
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_Escape_Stripper {
|
||||
/**
|
||||
* Original handler object
|
||||
* @var object
|
||||
* @access private
|
||||
*/
|
||||
var $orig_obj;
|
||||
/**
|
||||
* Original handler method
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $orig_method;
|
||||
/**
|
||||
* Constructs XML_HTMLSax3_Entities_Unparsed
|
||||
* @param object handler object being decorated
|
||||
* @param string original handler method
|
||||
* @access protected
|
||||
*/
|
||||
function XML_HTMLSax3_Escape_Stripper(&$orig_obj, $orig_method) {
|
||||
$this->orig_obj =& $orig_obj;
|
||||
$this->orig_method = $orig_method;
|
||||
}
|
||||
/**
|
||||
* Breaks the data up by XML entities
|
||||
* @param XML_HTMLSax3
|
||||
* @param string element data
|
||||
* @access protected
|
||||
*/
|
||||
function strip(&$parser, $data) {
|
||||
// Check for HTML comments first
|
||||
if ( substr($data,0,2) == '--' ) {
|
||||
$patterns = array(
|
||||
'/^\-\-/', // Opening comment: --
|
||||
'/\-\-$/', // Closing comment: --
|
||||
);
|
||||
$data = preg_replace($patterns,'',$data);
|
||||
|
||||
// Check for XML CDATA sections (note: don't do both!)
|
||||
} else if ( substr($data,0,1) == '[' ) {
|
||||
$patterns = array(
|
||||
'/^\[.*CDATA.*\[/s', // Opening CDATA
|
||||
'/\].*\]$/s', // Closing CDATA
|
||||
);
|
||||
$data = preg_replace($patterns,'',$data);
|
||||
}
|
||||
|
||||
$this->orig_obj->{$this->orig_method}($this, $data);
|
||||
}
|
||||
}
|
||||
?>
|
||||
@@ -1,287 +0,0 @@
|
||||
<?php
|
||||
/* vim: set expandtab tabstop=4 shiftwidth=4: */
|
||||
//
|
||||
// +----------------------------------------------------------------------+
|
||||
// | PHP Version 4 |
|
||||
// +----------------------------------------------------------------------+
|
||||
// | Copyright (c) 1997-2002 The PHP Group |
|
||||
// +----------------------------------------------------------------------+
|
||||
// | This source file is subject to version 2.02 of the PHP license, |
|
||||
// | that is bundled with this package in the file LICENSE, and is |
|
||||
// | available at through the world-wide-web at |
|
||||
// | http://www.php.net/license/3_0.txt. |
|
||||
// | If you did not receive a copy of the PHP license and are unable to |
|
||||
// | obtain it through the world-wide-web, please send a note to |
|
||||
// | license@php.net so we can mail you a copy immediately. |
|
||||
// +----------------------------------------------------------------------+
|
||||
// | Authors: Alexander Zhukov <alex@veresk.ru> Original port from Python |
|
||||
// | Authors: Harry Fuecks <hfuecks@phppatterns.com> Port to PEAR + more |
|
||||
// | Authors: Many @ Sitepointforums Advanced PHP Forums |
|
||||
// +----------------------------------------------------------------------+
|
||||
//
|
||||
// $Id: States.php,v 1.1 2007/07/20 17:16:35 claudiucristea Exp $
|
||||
//
|
||||
/**
|
||||
* Parsing states.
|
||||
* @package XML_HTMLSax3
|
||||
* @version $Id: States.php,v 1.1 2007/07/20 17:16:35 claudiucristea Exp $
|
||||
*/
|
||||
/**
|
||||
* Define parser states
|
||||
*/
|
||||
define('XML_HTMLSAX3_STATE_STOP', 0);
|
||||
define('XML_HTMLSAX3_STATE_START', 1);
|
||||
define('XML_HTMLSAX3_STATE_TAG', 2);
|
||||
define('XML_HTMLSAX3_STATE_OPENING_TAG', 3);
|
||||
define('XML_HTMLSAX3_STATE_CLOSING_TAG', 4);
|
||||
define('XML_HTMLSAX3_STATE_ESCAPE', 6);
|
||||
define('XML_HTMLSAX3_STATE_JASP', 7);
|
||||
define('XML_HTMLSAX3_STATE_PI', 8);
|
||||
/**
|
||||
* StartingState searches for the start of any XML tag
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_StartingState {
|
||||
/**
|
||||
* @param XML_HTMLSax3_StateParser subclass
|
||||
* @return constant XML_HTMLSAX3_STATE_TAG
|
||||
* @access protected
|
||||
*/
|
||||
function parse(&$context) {
|
||||
$data = $context->scanUntilString('<');
|
||||
if ($data != '') {
|
||||
$context->handler_object_data->
|
||||
{$context->handler_method_data}($context->htmlsax, $data);
|
||||
}
|
||||
$context->IgnoreCharacter();
|
||||
return XML_HTMLSAX3_STATE_TAG;
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Decides which state to move one from after StartingState
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_TagState {
|
||||
/**
|
||||
* @param XML_HTMLSax3_StateParser subclass
|
||||
* @return constant the next state to move into
|
||||
* @access protected
|
||||
*/
|
||||
function parse(&$context) {
|
||||
switch($context->ScanCharacter()) {
|
||||
case '/':
|
||||
return XML_HTMLSAX3_STATE_CLOSING_TAG;
|
||||
break;
|
||||
case '?':
|
||||
return XML_HTMLSAX3_STATE_PI;
|
||||
break;
|
||||
case '%':
|
||||
return XML_HTMLSAX3_STATE_JASP;
|
||||
break;
|
||||
case '!':
|
||||
return XML_HTMLSAX3_STATE_ESCAPE;
|
||||
break;
|
||||
default:
|
||||
$context->unscanCharacter();
|
||||
return XML_HTMLSAX3_STATE_OPENING_TAG;
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Dealing with closing XML tags
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_ClosingTagState {
|
||||
/**
|
||||
* @param XML_HTMLSax3_StateParser subclass
|
||||
* @return constant XML_HTMLSAX3_STATE_START
|
||||
* @access protected
|
||||
*/
|
||||
function parse(&$context) {
|
||||
$tag = $context->scanUntilCharacters('/>');
|
||||
if ($tag != '') {
|
||||
$char = $context->scanCharacter();
|
||||
if ($char == '/') {
|
||||
$char = $context->scanCharacter();
|
||||
if ($char != '>') {
|
||||
$context->unscanCharacter();
|
||||
}
|
||||
}
|
||||
$context->handler_object_element->
|
||||
{$context->handler_method_closing}($context->htmlsax, $tag, FALSE);
|
||||
}
|
||||
return XML_HTMLSAX3_STATE_START;
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Dealing with opening XML tags
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_OpeningTagState {
|
||||
/**
|
||||
* Handles attributes
|
||||
* @param string attribute name
|
||||
* @param string attribute value
|
||||
* @return void
|
||||
* @access protected
|
||||
* @see XML_HTMLSax3_AttributeStartState
|
||||
*/
|
||||
function parseAttributes(&$context) {
|
||||
$Attributes = array();
|
||||
|
||||
$context->ignoreWhitespace();
|
||||
$attributename = $context->scanUntilCharacters("=/> \n\r\t");
|
||||
while ($attributename != '') {
|
||||
$attributevalue = NULL;
|
||||
$context->ignoreWhitespace();
|
||||
$char = $context->scanCharacter();
|
||||
if ($char == '=') {
|
||||
$context->ignoreWhitespace();
|
||||
$char = $context->ScanCharacter();
|
||||
if ($char == '"') {
|
||||
$attributevalue= $context->scanUntilString('"');
|
||||
$context->IgnoreCharacter();
|
||||
} else if ($char == "'") {
|
||||
$attributevalue = $context->scanUntilString("'");
|
||||
$context->IgnoreCharacter();
|
||||
} else {
|
||||
$context->unscanCharacter();
|
||||
$attributevalue =
|
||||
$context->scanUntilCharacters("> \n\r\t");
|
||||
}
|
||||
} else if ($char !== NULL) {
|
||||
$attributevalue = NULL;
|
||||
$context->unscanCharacter();
|
||||
}
|
||||
$Attributes[$attributename] = $attributevalue;
|
||||
|
||||
$context->ignoreWhitespace();
|
||||
$attributename = $context->scanUntilCharacters("=/> \n\r\t");
|
||||
}
|
||||
return $Attributes;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param XML_HTMLSax3_StateParser subclass
|
||||
* @return constant XML_HTMLSAX3_STATE_START
|
||||
* @access protected
|
||||
*/
|
||||
function parse(&$context) {
|
||||
$tag = $context->scanUntilCharacters("/> \n\r\t");
|
||||
if ($tag != '') {
|
||||
$this->attrs = array();
|
||||
$Attributes = $this->parseAttributes($context);
|
||||
$char = $context->scanCharacter();
|
||||
if ($char == '/') {
|
||||
$char = $context->scanCharacter();
|
||||
if ($char != '>') {
|
||||
$context->unscanCharacter();
|
||||
}
|
||||
$context->handler_object_element->
|
||||
{$context->handler_method_opening}($context->htmlsax, $tag,
|
||||
$Attributes, TRUE);
|
||||
$context->handler_object_element->
|
||||
{$context->handler_method_closing}($context->htmlsax, $tag,
|
||||
TRUE);
|
||||
} else {
|
||||
$context->handler_object_element->
|
||||
{$context->handler_method_opening}($context->htmlsax, $tag,
|
||||
$Attributes, FALSE);
|
||||
}
|
||||
}
|
||||
return XML_HTMLSAX3_STATE_START;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Deals with XML escapes handling comments and CDATA correctly
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_EscapeState {
|
||||
/**
|
||||
* @param XML_HTMLSax3_StateParser subclass
|
||||
* @return constant XML_HTMLSAX3_STATE_START
|
||||
* @access protected
|
||||
*/
|
||||
function parse(&$context) {
|
||||
$char = $context->ScanCharacter();
|
||||
if ($char == '-') {
|
||||
$char = $context->ScanCharacter();
|
||||
if ($char == '-') {
|
||||
$context->unscanCharacter();
|
||||
$context->unscanCharacter();
|
||||
$text = $context->scanUntilString('-->');
|
||||
$text .= $context->scanCharacter();
|
||||
$text .= $context->scanCharacter();
|
||||
} else {
|
||||
$context->unscanCharacter();
|
||||
$text = $context->scanUntilString('>');
|
||||
}
|
||||
} else if ( $char == '[') {
|
||||
$context->unscanCharacter();
|
||||
$text = $context->scanUntilString(']>');
|
||||
$text.= $context->scanCharacter();
|
||||
} else {
|
||||
$context->unscanCharacter();
|
||||
$text = $context->scanUntilString('>');
|
||||
}
|
||||
|
||||
$context->IgnoreCharacter();
|
||||
if ($text != '') {
|
||||
$context->handler_object_escape->
|
||||
{$context->handler_method_escape}($context->htmlsax, $text);
|
||||
}
|
||||
return XML_HTMLSAX3_STATE_START;
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Deals with JASP/ASP markup
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_JaspState {
|
||||
/**
|
||||
* @param XML_HTMLSax3_StateParser subclass
|
||||
* @return constant XML_HTMLSAX3_STATE_START
|
||||
* @access protected
|
||||
*/
|
||||
function parse(&$context) {
|
||||
$text = $context->scanUntilString('%>');
|
||||
if ($text != '') {
|
||||
$context->handler_object_jasp->
|
||||
{$context->handler_method_jasp}($context->htmlsax, $text);
|
||||
}
|
||||
$context->IgnoreCharacter();
|
||||
$context->IgnoreCharacter();
|
||||
return XML_HTMLSAX3_STATE_START;
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Deals with XML processing instructions
|
||||
* @package XML_HTMLSax3
|
||||
* @access protected
|
||||
*/
|
||||
class XML_HTMLSax3_PiState {
|
||||
/**
|
||||
* @param XML_HTMLSax3_StateParser subclass
|
||||
* @return constant XML_HTMLSAX3_STATE_START
|
||||
* @access protected
|
||||
*/
|
||||
function parse(&$context) {
|
||||
$target = $context->scanUntilCharacters(" \n\r\t");
|
||||
$data = $context->scanUntilString('?>');
|
||||
if ($data != '') {
|
||||
$context->handler_object_pi->
|
||||
{$context->handler_method_pi}($context->htmlsax, $target, $data);
|
||||
}
|
||||
$context->IgnoreCharacter();
|
||||
$context->IgnoreCharacter();
|
||||
return XML_HTMLSAX3_STATE_START;
|
||||
}
|
||||
}
|
||||
?>
|
||||
@@ -1,671 +0,0 @@
|
||||
<?php
|
||||
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
|
||||
|
||||
/**
|
||||
* SafeHTML Parser
|
||||
*
|
||||
* PHP versions 4 and 5
|
||||
*
|
||||
* @category HTML
|
||||
* @package SafeHTML
|
||||
* @author Roman Ivanov <thingol@mail.ru>
|
||||
* @copyright 2004-2005 Roman Ivanov
|
||||
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
|
||||
* @version 1.3.7
|
||||
* @link http://pixel-apes.com/safehtml/
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* This package requires HTMLSax3 package
|
||||
*/
|
||||
define("XML_HTMLSAX3", '');
|
||||
require_once(XML_HTMLSAX3 . 'HTMLSax3.php');
|
||||
|
||||
|
||||
/**
|
||||
*
|
||||
* SafeHTML Parser
|
||||
*
|
||||
* This parser strips down all potentially dangerous content within HTML:
|
||||
* <ul>
|
||||
* <li>opening tag without its closing tag</li>
|
||||
* <li>closing tag without its opening tag</li>
|
||||
* <li>any of these tags: "base", "basefont", "head", "html", "body", "applet",
|
||||
* "object", "iframe", "frame", "frameset", "script", "layer", "ilayer", "embed",
|
||||
* "bgsound", "link", "meta", "style", "title", "blink", "xml" etc.</li>
|
||||
* <li>any of these attributes: on*, data*, dynsrc</li>
|
||||
* <li>javascript:/vbscript:/about: etc. protocols</li>
|
||||
* <li>expression/behavior etc. in styles</li>
|
||||
* <li>any other active content</li>
|
||||
* </ul>
|
||||
* It also tries to convert code to XHTML valid, but htmltidy is far better
|
||||
* solution for this task.
|
||||
*
|
||||
* <b>Example:</b>
|
||||
* <pre>
|
||||
* $parser =& new SafeHTML();
|
||||
* $result = $parser->parse($doc);
|
||||
* </pre>
|
||||
*
|
||||
* @category HTML
|
||||
* @package SafeHTML
|
||||
* @author Roman Ivanov <thingol@mail.ru>
|
||||
* @copyright 1997-2005 Roman Ivanov
|
||||
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
|
||||
* @version Release: @package_version@
|
||||
* @link http://pear.php.net/package/SafeHTML
|
||||
*/
|
||||
class SafeHTML
|
||||
{
|
||||
/**
|
||||
* Storage for resulting HTML output
|
||||
*
|
||||
* @var string
|
||||
* @access private
|
||||
*/
|
||||
var $_xhtml = '';
|
||||
|
||||
/**
|
||||
* Array of counters for each tag
|
||||
*
|
||||
* @var array
|
||||
* @access private
|
||||
*/
|
||||
var $_counter = array();
|
||||
|
||||
/**
|
||||
* Stack of unclosed tags
|
||||
*
|
||||
* @var array
|
||||
* @access private
|
||||
*/
|
||||
var $_stack = array();
|
||||
|
||||
/**
|
||||
* Array of counters for tags that must be deleted with all content
|
||||
*
|
||||
* @var array
|
||||
* @access private
|
||||
*/
|
||||
var $_dcCounter = array();
|
||||
|
||||
/**
|
||||
* Stack of unclosed tags that must be deleted with all content
|
||||
*
|
||||
* @var array
|
||||
* @access private
|
||||
*/
|
||||
var $_dcStack = array();
|
||||
|
||||
/**
|
||||
* Stores level of list (ol/ul) nesting
|
||||
*
|
||||
* @var int
|
||||
* @access private
|
||||
*/
|
||||
var $_listScope = 0;
|
||||
|
||||
/**
|
||||
* Stack of unclosed list tags
|
||||
*
|
||||
* @var array
|
||||
* @access private
|
||||
*/
|
||||
var $_liStack = array();
|
||||
|
||||
/**
|
||||
* Array of prepared regular expressions for protocols (schemas) matching
|
||||
*
|
||||
* @var array
|
||||
* @access private
|
||||
*/
|
||||
var $_protoRegexps = array();
|
||||
|
||||
/**
|
||||
* Array of prepared regular expressions for CSS matching
|
||||
*
|
||||
* @var array
|
||||
* @access private
|
||||
*/
|
||||
var $_cssRegexps = array();
|
||||
|
||||
/**
|
||||
* List of single tags ("<tag />")
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $singleTags = array('area', 'br', 'img', 'input', 'hr', 'wbr', );
|
||||
|
||||
/**
|
||||
* List of dangerous tags (such tags will be deleted)
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $deleteTags = array(
|
||||
'applet', 'base', 'basefont', 'bgsound', 'blink', 'body',
|
||||
'embed', 'frame', 'frameset', 'head', 'html', 'ilayer',
|
||||
'iframe', 'layer', 'link', 'meta', 'object', 'style',
|
||||
'title', 'script',
|
||||
);
|
||||
|
||||
/**
|
||||
* List of dangerous tags (such tags will be deleted, and all content
|
||||
* inside this tags will be also removed)
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $deleteTagsContent = array('script', 'style', 'title', 'xml', );
|
||||
|
||||
/**
|
||||
* Type of protocols filtering ('white' or 'black')
|
||||
*
|
||||
* @var string
|
||||
* @access public
|
||||
*/
|
||||
var $protocolFiltering = 'white';
|
||||
|
||||
/**
|
||||
* List of "dangerous" protocols (used for blacklist-filtering)
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $blackProtocols = array(
|
||||
'about', 'chrome', 'data', 'disk', 'hcp',
|
||||
'help', 'javascript', 'livescript', 'lynxcgi', 'lynxexec',
|
||||
'ms-help', 'ms-its', 'mhtml', 'mocha', 'opera',
|
||||
'res', 'resource', 'shell', 'vbscript', 'view-source',
|
||||
'vnd.ms.radio', 'wysiwyg',
|
||||
);
|
||||
|
||||
/**
|
||||
* List of "safe" protocols (used for whitelist-filtering)
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $whiteProtocols = array(
|
||||
'ed2k', 'file', 'ftp', 'gopher', 'http', 'https',
|
||||
'irc', 'mailto', 'news', 'nntp', 'telnet', 'webcal',
|
||||
'xmpp', 'callto',
|
||||
);
|
||||
|
||||
/**
|
||||
* List of attributes that can contain protocols
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $protocolAttributes = array(
|
||||
'action', 'background', 'codebase', 'dynsrc', 'href', 'lowsrc', 'src',
|
||||
);
|
||||
|
||||
/**
|
||||
* List of dangerous CSS keywords
|
||||
*
|
||||
* Whole style="" attribute will be removed, if parser will find one of
|
||||
* these keywords
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $cssKeywords = array(
|
||||
'absolute', 'behavior', 'behaviour', 'content', 'expression',
|
||||
'fixed', 'include-source', 'moz-binding',
|
||||
);
|
||||
|
||||
/**
|
||||
* List of tags that can have no "closing tag"
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
* @deprecated XHTML does not allow such tags
|
||||
*/
|
||||
var $noClose = array();
|
||||
|
||||
/**
|
||||
* List of block-level tags that terminates paragraph
|
||||
*
|
||||
* Paragraph will be closed when this tags opened
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $closeParagraph = array(
|
||||
'address', 'blockquote', 'center', 'dd', 'dir', 'div',
|
||||
'dl', 'dt', 'h1', 'h2', 'h3', 'h4',
|
||||
'h5', 'h6', 'hr', 'isindex', 'listing', 'marquee',
|
||||
'menu', 'multicol', 'ol', 'p', 'plaintext', 'pre',
|
||||
'table', 'ul', 'xmp',
|
||||
);
|
||||
|
||||
/**
|
||||
* List of table tags, all table tags outside a table will be removed
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $tableTags = array(
|
||||
'caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th',
|
||||
'thead', 'tr',
|
||||
);
|
||||
|
||||
/**
|
||||
* List of list tags
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $listTags = array('dir', 'menu', 'ol', 'ul', 'dl', );
|
||||
|
||||
/**
|
||||
* List of dangerous attributes
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $attributes = array('dynsrc', 'id', 'name', );
|
||||
|
||||
/**
|
||||
* List of allowed "namespaced" attributes
|
||||
*
|
||||
* @var array
|
||||
* @access public
|
||||
*/
|
||||
var $attributesNS = array('xml:lang', );
|
||||
|
||||
/**
|
||||
* Constructs class
|
||||
*
|
||||
* @access public
|
||||
*/
|
||||
function SafeHTML()
|
||||
{
|
||||
//making regular expressions based on Proto & CSS arrays
|
||||
foreach ($this->blackProtocols as $proto) {
|
||||
$preg = "/[\s\x01-\x1F]*";
|
||||
for ($i=0; $i<strlen($proto); $i++) {
|
||||
$preg .= $proto{$i} . "[\s\x01-\x1F]*";
|
||||
}
|
||||
$preg .= ":/i";
|
||||
$this->_protoRegexps[] = $preg;
|
||||
}
|
||||
|
||||
foreach ($this->cssKeywords as $css) {
|
||||
$this->_cssRegexps[] = '/' . $css . '/i';
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles the writing of attributes - called from $this->_openHandler()
|
||||
*
|
||||
* @param array $attrs array of attributes $name => $value
|
||||
* @return boolean
|
||||
* @access private
|
||||
*/
|
||||
function _writeAttrs ($attrs)
|
||||
{
|
||||
if (is_array($attrs)) {
|
||||
foreach ($attrs as $name => $value) {
|
||||
|
||||
$name = strtolower($name);
|
||||
|
||||
if (strpos($name, 'on') === 0) {
|
||||
continue;
|
||||
}
|
||||
if (strpos($name, 'data') === 0) {
|
||||
continue;
|
||||
}
|
||||
if (in_array($name, $this->attributes)) {
|
||||
continue;
|
||||
}
|
||||
if (!preg_match("/^[a-z0-9]+$/i", $name)) {
|
||||
if (!in_array($name, $this->attributesNS))
|
||||
{
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
if (($value === TRUE) || (is_null($value))) {
|
||||
$value = $name;
|
||||
}
|
||||
|
||||
if ($name == 'style') {
|
||||
|
||||
// removes insignificant backslahes
|
||||
$value = str_replace("\\", '', $value);
|
||||
|
||||
// removes CSS comments
|
||||
while (1)
|
||||
{
|
||||
$_value = preg_replace("!/\*.*?\*/!s", '', $value);
|
||||
if ($_value == $value) break;
|
||||
$value = $_value;
|
||||
}
|
||||
|
||||
// replace all & to &
|
||||
$value = str_replace('&', '&', $value);
|
||||
$value = str_replace('&', '&', $value);
|
||||
|
||||
foreach ($this->_cssRegexps as $css) {
|
||||
if (preg_match($css, $value)) {
|
||||
continue 2;
|
||||
}
|
||||
}
|
||||
foreach ($this->_protoRegexps as $proto) {
|
||||
if (preg_match($proto, $value)) {
|
||||
continue 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$tempval = preg_replace('/&#(\d+);?/me', "chr('\\1')", $value); //"'
|
||||
$tempval = preg_replace('/&#x([0-9a-f]+);?/mei', "chr(hexdec('\\1'))", $tempval);
|
||||
|
||||
if ((in_array($name, $this->protocolAttributes)) &&
|
||||
(strpos($tempval, ':') !== false))
|
||||
{
|
||||
if ($this->protocolFiltering == 'black') {
|
||||
foreach ($this->_protoRegexps as $proto) {
|
||||
if (preg_match($proto, $tempval)) continue 2;
|
||||
}
|
||||
} else {
|
||||
$_tempval = explode(':', $tempval);
|
||||
$proto = $_tempval[0];
|
||||
if (!in_array($proto, $this->whiteProtocols)) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$value = str_replace("\"", """, $value);
|
||||
$this->_xhtml .= ' ' . $name . '="' . $value . '"';
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Opening tag handler - called from HTMLSax
|
||||
*
|
||||
* @param object $parser HTML Parser
|
||||
* @param string $name tag name
|
||||
* @param array $attrs tag attributes
|
||||
* @return boolean
|
||||
* @access private
|
||||
*/
|
||||
function _openHandler(&$parser, $name, $attrs)
|
||||
{
|
||||
$name = strtolower($name);
|
||||
|
||||
if (in_array($name, $this->deleteTagsContent)) {
|
||||
array_push($this->_dcStack, $name);
|
||||
$this->_dcCounter[$name] = isset($this->_dcCounter[$name]) ? $this->_dcCounter[$name]+1 : 1;
|
||||
}
|
||||
if (count($this->_dcStack) != 0) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (in_array($name, $this->deleteTags)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (!preg_match("/^[a-z0-9]+$/i", $name)) {
|
||||
if (preg_match("!(?:\@|://)!i", $name)) {
|
||||
$this->_xhtml .= '<' . $name . '>';
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
if (in_array($name, $this->singleTags)) {
|
||||
$this->_xhtml .= '<' . $name;
|
||||
$this->_writeAttrs($attrs);
|
||||
$this->_xhtml .= ' />';
|
||||
return true;
|
||||
}
|
||||
|
||||
// TABLES: cannot open table elements when we are not inside table
|
||||
if ((isset($this->_counter['table'])) && ($this->_counter['table'] <= 0)
|
||||
&& (in_array($name, $this->tableTags)))
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
// PARAGRAPHS: close paragraph when closeParagraph tags opening
|
||||
if ((in_array($name, $this->closeParagraph)) && (in_array('p', $this->_stack))) {
|
||||
$this->_closeHandler($parser, 'p');
|
||||
}
|
||||
|
||||
// LISTS: we should close <li> if <li> of the same level opening
|
||||
if ($name == 'li' && count($this->_liStack) &&
|
||||
$this->_listScope == $this->_liStack[count($this->_liStack)-1])
|
||||
{
|
||||
$this->_closeHandler($parser, 'li');
|
||||
}
|
||||
|
||||
// LISTS: we want to know on what nesting level of lists we are
|
||||
if (in_array($name, $this->listTags)) {
|
||||
$this->_listScope++;
|
||||
}
|
||||
if ($name == 'li') {
|
||||
array_push($this->_liStack, $this->_listScope);
|
||||
}
|
||||
|
||||
$this->_xhtml .= '<' . $name;
|
||||
$this->_writeAttrs($attrs);
|
||||
$this->_xhtml .= '>';
|
||||
array_push($this->_stack,$name);
|
||||
$this->_counter[$name] = isset($this->_counter[$name]) ? $this->_counter[$name]+1 : 1;
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Closing tag handler - called from HTMLSax
|
||||
*
|
||||
* @param object $parsers HTML parser
|
||||
* @param string $name tag name
|
||||
* @return boolean
|
||||
* @access private
|
||||
*/
|
||||
function _closeHandler(&$parser, $name)
|
||||
{
|
||||
|
||||
$name = strtolower($name);
|
||||
|
||||
if (isset($this->_dcCounter[$name]) && ($this->_dcCounter[$name] > 0) &&
|
||||
(in_array($name, $this->deleteTagsContent)))
|
||||
{
|
||||
while ($name != ($tag = array_pop($this->_dcStack))) {
|
||||
$this->_dcCounter[$tag]--;
|
||||
}
|
||||
|
||||
$this->_dcCounter[$name]--;
|
||||
}
|
||||
|
||||
if (count($this->_dcStack) != 0) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if ((isset($this->_counter[$name])) && ($this->_counter[$name] > 0)) {
|
||||
while ($name != ($tag = array_pop($this->_stack))) {
|
||||
$this->_closeTag($tag);
|
||||
}
|
||||
|
||||
$this->_closeTag($name);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Closes tag
|
||||
*
|
||||
* @param string $tag tag name
|
||||
* @return boolean
|
||||
* @access private
|
||||
*/
|
||||
function _closeTag($tag)
|
||||
{
|
||||
if (!in_array($tag, $this->noClose)) {
|
||||
$this->_xhtml .= '</' . $tag . '>';
|
||||
}
|
||||
|
||||
$this->_counter[$tag]--;
|
||||
|
||||
if (in_array($tag, $this->listTags)) {
|
||||
$this->_listScope--;
|
||||
}
|
||||
|
||||
if ($tag == 'li') {
|
||||
array_pop($this->_liStack);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Character data handler - called from HTMLSax
|
||||
*
|
||||
* @param object $parser HTML parser
|
||||
* @param string $data textual data
|
||||
* @return boolean
|
||||
* @access private
|
||||
*/
|
||||
function _dataHandler(&$parser, $data)
|
||||
{
|
||||
if (count($this->_dcStack) == 0) {
|
||||
$this->_xhtml .= $data;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Escape handler - called from HTMLSax
|
||||
*
|
||||
* @param object $parser HTML parser
|
||||
* @param string $data comments or other type of data
|
||||
* @return boolean
|
||||
* @access private
|
||||
*/
|
||||
function _escapeHandler(&$parser, $data)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the XHTML document
|
||||
*
|
||||
* @return string Processed (X)HTML document
|
||||
* @access public
|
||||
*/
|
||||
function getXHTML ()
|
||||
{
|
||||
while ($tag = array_pop($this->_stack)) {
|
||||
$this->_closeTag($tag);
|
||||
}
|
||||
|
||||
return $this->_xhtml;
|
||||
}
|
||||
|
||||
/**
|
||||
* Clears current document data
|
||||
*
|
||||
* @return boolean
|
||||
* @access public
|
||||
*/
|
||||
function clear()
|
||||
{
|
||||
$this->_xhtml = '';
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Main parsing fuction
|
||||
*
|
||||
* @param string $doc HTML document for processing
|
||||
* @return string Processed (X)HTML document
|
||||
* @access public
|
||||
*/
|
||||
function parse($doc)
|
||||
{
|
||||
|
||||
// Save all '<' symbols
|
||||
$doc = preg_replace("/<(?=[^a-zA-Z\/\!\?\%])/", '<', $doc);
|
||||
|
||||
// Web documents shouldn't contains \x00 symbol
|
||||
$doc = str_replace("\x00", '', $doc);
|
||||
|
||||
// Opera6 bug workaround
|
||||
$doc = str_replace("\xC0\xBC", '<', $doc);
|
||||
|
||||
// UTF-7 encoding ASCII decode
|
||||
$doc = $this->repackUTF7($doc);
|
||||
|
||||
// Instantiate the parser
|
||||
$parser= new XML_HTMLSax3();
|
||||
|
||||
// Set up the parser
|
||||
$parser->set_object($this);
|
||||
|
||||
$parser->set_element_handler('_openHandler','_closeHandler');
|
||||
$parser->set_data_handler('_dataHandler');
|
||||
$parser->set_escape_handler('_escapeHandler');
|
||||
|
||||
$parser->parse($doc);
|
||||
|
||||
return $this->getXHTML();
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* UTF-7 decoding fuction
|
||||
*
|
||||
* @param string $str HTML document for recode ASCII part of UTF-7 back to ASCII
|
||||
* @return string Decoded document
|
||||
* @access private
|
||||
*/
|
||||
function repackUTF7($str)
|
||||
{
|
||||
return preg_replace_callback('!\+([0-9a-zA-Z/]+)\-!', array($this, 'repackUTF7Callback'), $str);
|
||||
}
|
||||
|
||||
/**
|
||||
* Additional UTF-7 decoding fuction
|
||||
*
|
||||
* @param string $str String for recode ASCII part of UTF-7 back to ASCII
|
||||
* @return string Recoded string
|
||||
* @access private
|
||||
*/
|
||||
function repackUTF7Callback($str)
|
||||
{
|
||||
$str = base64_decode($str[1]);
|
||||
$str = preg_replace_callback('/^((?:\x00.)*)((?:[^\x00].)+)/', array($this, 'repackUTF7Back'), $str);
|
||||
return preg_replace('/\x00(.)/', '$1', $str);
|
||||
}
|
||||
|
||||
/**
|
||||
* Additional UTF-7 encoding fuction
|
||||
*
|
||||
* @param string $str String for recode ASCII part of UTF-7 back to ASCII
|
||||
* @return string Recoded string
|
||||
* @access private
|
||||
*/
|
||||
function repackUTF7Back($str)
|
||||
{
|
||||
return $str[1].'+'.rtrim(base64_encode($str[2]), '=').'-';
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Local variables:
|
||||
* tab-width: 4
|
||||
* c-basic-offset: 4
|
||||
* c-hanging-comment-ender-p: nil
|
||||
* End:
|
||||
*/
|
||||
|
||||
?>
|
||||
Reference in New Issue
Block a user