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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
//
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2002 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject toversion 3.0 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 1.2 2007/10/29 21:41:35 hfuecks Exp $
//
/*
* 2017 02 01 - 1st February 2017
* Author: Steven B Clarke
* replace all occurances of function CLASSNAME(...)
* with __construct(...)
*/
/**
* Decorators for dealing with parser options
* @package XML_HTMLSax3
* @version $Id: Decorators.php,v 1.2 2007/10/29 21:41:35 hfuecks 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 $orig_method;
/**
* Constructs XML_HTMLSax3_Trim
* @param object handler object being decorated
* @param string original handler method
* @access protected
*/
function __construct(&$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 $orig_close_method;
/**
* Constructs XML_HTMLSax3_CaseFolding
* @param object handler object being decorated
* @param string original open handler method
* @param string original close handler method
* @access protected
*/
function __construct(&$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 $orig_method;
/**
* Constructs XML_HTMLSax3_LineFeed
* @param object handler object being decorated
* @param string original handler method
* @access protected
*/
function __construct(&$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 $orig_method;
/**
* Constructs XML_HTMLSax3_Tab
* @param object handler object being decorated
* @param string original handler method
* @access protected
*/
function __construct(&$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 $orig_method;
/**
* Constructs XML_HTMLSax3_Entities_Parsed
* @param object handler object being decorated
* @param string original handler method
* @access protected
*/
function __construct(&$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 $orig_method;
/**
* Constructs XML_HTMLSax3_Entities_Unparsed
* @param object handler object being decorated
* @param string original handler method
* @access protected
*/
function __construct(&$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 $orig_method;
/**
* Constructs XML_HTMLSax3_Entities_Unparsed
* @param object handler object being decorated
* @param string original handler method
* @access protected
*/
function __construct(&$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);
}
}
?>