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authorwei <>2006-01-13 13:03:01 +0000
committerwei <>2006-01-13 13:03:01 +0000
commitf0737c5b52373f262a4c8cfd25d4e1bb6ff33aee (patch)
treee4ace9d8b7b9c65721330f13f59f684dce32b9da /framework/3rdParty/SafeHtml/HTMLSax3/Decorators.php
parent52ae5aef521fa7d800e09206342eb9ac17043cd8 (diff)
Move SafeHtml to 3rdParty/SafeHtml. Add TSafeHtml component. Change TTextBox::getText() to use SafeHtml
Diffstat (limited to 'framework/3rdParty/SafeHtml/HTMLSax3/Decorators.php')
-rw-r--r--framework/3rdParty/SafeHtml/HTMLSax3/Decorators.php363
1 files changed, 363 insertions, 0 deletions
diff --git a/framework/3rdParty/SafeHtml/HTMLSax3/Decorators.php b/framework/3rdParty/SafeHtml/HTMLSax3/Decorators.php
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@@ -0,0 +1,363 @@
+<?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 1.2 2005/12/22 11:09:09 weizhuo Exp $
+//
+/**
+* Decorators for dealing with parser options
+* @package System.Security.SafeHtml
+* @version $Id: Decorators.php,v 1.2 2005/12/22 11:09:09 weizhuo Exp $
+* @see TSax3::set_option
+*/
+/**
+* Trims the contents of element data from whitespace at start and end
+* @package System.Security.SafeHtml
+* @access protected
+*/
+class TSax3_Trim {
+ /**
+ * Original handler object
+ * @var object
+ * @access private
+ */
+ private $orig_obj;
+ /**
+ * Original handler method
+ * @var string
+ * @access private
+ */
+ private $orig_method;
+ /**
+ * Constructs TSax3_Trim
+ * @param object handler object being decorated
+ * @param string original handler method
+ * @access protected
+ */
+ function __construct(&$orig_obj, $orig_method) {
+ $this->orig_obj =& $orig_obj;
+ $this->orig_method = $orig_method;
+ }
+ /**
+ * Trims the data
+ * @param TSax3
+ * @param string element data
+ * @access protected
+ */
+ function trimData(&$parser, $data) {
+ $data = trim($data);
+ if ($data != '') {
+ $this->orig_obj->{$this->orig_method}($parser, $data);
+ }
+ }
+}
+/**
+* Coverts tag names to upper case
+* @package System.Security.SafeHtml
+* @access protected
+*/
+class TSax3_CaseFolding {
+ /**
+ * Original handler object
+ * @var object
+ * @access private
+ */
+ private $orig_obj;
+ /**
+ * Original open handler method
+ * @var string
+ * @access private
+ */
+ private $orig_open_method;
+ /**
+ * Original close handler method
+ * @var string
+ * @access private
+ */
+ private $orig_close_method;
+ /**
+ * Constructs TSax3_CaseFolding
+ * @param object handler object being decorated
+ * @param string original open handler method
+ * @param string original close handler method
+ * @access protected
+ */
+ function __construct(&$orig_obj, $orig_open_method, $orig_close_method) {
+ $this->orig_obj =& $orig_obj;
+ $this->orig_open_method = $orig_open_method;
+ $this->orig_close_method = $orig_close_method;
+ }
+ /**
+ * Folds up open tag callbacks
+ * @param TSax3
+ * @param string tag name
+ * @param array tag attributes
+ * @access protected
+ */
+ function foldOpen(&$parser, $tag, $attrs=array(), $empty = FALSE) {
+ $this->orig_obj->{$this->orig_open_method}($parser, strtoupper($tag), $attrs, $empty);
+ }
+ /**
+ * Folds up close tag callbacks
+ * @param TSax3
+ * @param string tag name
+ * @access protected
+ */
+ function foldClose(&$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 System.Security.SafeHtml
+* @access protected
+*/
+class TSax3_Linefeed {
+ /**
+ * Original handler object
+ * @var object
+ * @access private
+ */
+ private $orig_obj;
+ /**
+ * Original handler method
+ * @var string
+ * @access private
+ */
+ private $orig_method;
+ /**
+ * Constructs TSax3_LineFeed
+ * @param object handler object being decorated
+ * @param string original handler method
+ * @access protected
+ */
+ function __construct(&$orig_obj, $orig_method) {
+ $this->orig_obj =& $orig_obj;
+ $this->orig_method = $orig_method;
+ }
+ /**
+ * Breaks the data up by linefeeds
+ * @param TSax3
+ * @param string element data
+ * @access protected
+ */
+ function breakData(&$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 System.Security.SafeHtml
+* @access protected
+*/
+class TSax3_Tab {
+ /**
+ * Original handler object
+ * @var object
+ * @access private
+ */
+ private $orig_obj;
+ /**
+ * Original handler method
+ * @var string
+ * @access private
+ */
+ private $orig_method;
+ /**
+ * Constructs TSax3_Tab
+ * @param object handler object being decorated
+ * @param string original handler method
+ * @access protected
+ */
+ function __construct(&$orig_obj, $orig_method) {
+ $this->orig_obj =& $orig_obj;
+ $this->orig_method = $orig_method;
+ }
+ /**
+ * Breaks the data up by linefeeds
+ * @param TSax3
+ * @param string element data
+ * @access protected
+ */
+ function breakData(&$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 System.Security.SafeHtml
+* @access protected
+*/
+class TSax3_Entities_Parsed {
+ /**
+ * Original handler object
+ * @var object
+ * @access private
+ */
+ private $orig_obj;
+ /**
+ * Original handler method
+ * @var string
+ * @access private
+ */
+ private $orig_method;
+ /**
+ * Constructs TSax3_Entities_Parsed
+ * @param object handler object being decorated
+ * @param string original handler method
+ * @access protected
+ */
+ function __construct(&$orig_obj, $orig_method) {
+ $this->orig_obj =& $orig_obj;
+ $this->orig_method = $orig_method;
+ }
+ /**
+ * Breaks the data up by XML entities
+ * @param TSax3
+ * @param string element data
+ * @access protected
+ */
+ function breakData(&$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 System.Security.SafeHtml
+* @access protected
+*/
+class TSax3_Entities_Unparsed {
+ /**
+ * Original handler object
+ * @var object
+ * @access private
+ */
+ private $orig_obj;
+ /**
+ * Original handler method
+ * @var string
+ * @access private
+ */
+ private $orig_method;
+ /**
+ * Constructs TSax3_Entities_Unparsed
+ * @param object handler object being decorated
+ * @param string original handler method
+ * @access protected
+ */
+ function __construct(&$orig_obj, $orig_method) {
+ $this->orig_obj =& $orig_obj;
+ $this->orig_method = $orig_method;
+ }
+ /**
+ * Breaks the data up by XML entities
+ * @param TSax3
+ * @param string element data
+ * @access protected
+ */
+ function breakData(&$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 System.Security.SafeHtml
+* @access protected
+*/
+class TSax3_Escape_Stripper {
+ /**
+ * Original handler object
+ * @var object
+ * @access private
+ */
+ private $orig_obj;
+ /**
+ * Original handler method
+ * @var string
+ * @access private
+ */
+ private $orig_method;
+ /**
+ * Constructs TSax3_Entities_Unparsed
+ * @param object handler object being decorated
+ * @param string original handler method
+ * @access protected
+ */
+ function __construct(&$orig_obj, $orig_method) {
+ $this->orig_obj =& $orig_obj;
+ $this->orig_method = $orig_method;
+ }
+ /**
+ * Breaks the data up by XML entities
+ * @param TSax3
+ * @param string element data
+ * @access protected
+ */
+ function strip(&$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);
+ }
+}
+?> \ No newline at end of file
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