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Diffstat (limited to 'framework/Vendor/SafeHtml/HTMLSax3/States.php')
-rw-r--r-- | framework/Vendor/SafeHtml/HTMLSax3/States.php | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/framework/Vendor/SafeHtml/HTMLSax3/States.php b/framework/Vendor/SafeHtml/HTMLSax3/States.php new file mode 100644 index 00000000..5001bb76 --- /dev/null +++ b/framework/Vendor/SafeHtml/HTMLSax3/States.php @@ -0,0 +1,286 @@ +<?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 3188 2012-07-12 12:13:23Z ctrlaltca $ +// +/** +* Parsing states. +* @package System.Security.SafeHtml +*/ +/** +* Define parser states +*/ +/*define('TSAX3_STATE_STOP', 0); +define('TSAX3_STATE_START', 1); +define('TSAX3_STATE_TAG', 2); +define('TSAX3_STATE_OPENING_TAG', 3); +define('TSAX3_STATE_CLOSING_TAG', 4); +define('TSAX3_STATE_ESCAPE', 6); +define('TSAX3_STATE_JASP', 7); +define('TSAX3_STATE_PI', 8); +*/ +/** +* StartingState searches for the start of any XML tag +* @package System.Security.SafeHtml +* @access protected +*/ +class TSax3_StartingState { + /** + * @param TSax3_StateParser subclass + * @return constant TSAX3_STATE_TAG + * @access protected + */ + function parse(&$context) { + $data = $context->scanUntilString('<'); + if ($data != '') { + $context->handler_object_data-> + {$context->handler_method_data}($context->htmlsax, $data); + } + $context->IgnoreCharacter(); + return TSax3_StateParser::TSAX3_STATE_TAG; + } +} +/** +* Decides which state to move one from after StartingState +* @package System.Security.SafeHtml +* @access protected +*/ +class TSax3_TagState { + /** + * @param TSax3_StateParser subclass + * @return constant the next state to move into + * @access protected + */ + function parse(&$context) { + switch($context->ScanCharacter()) { + case '/': + return TSax3_StateParser::TSAX3_STATE_CLOSING_TAG; + break; + case '?': + return TSax3_StateParser::TSAX3_STATE_PI; + break; + case '%': + return TSax3_StateParser::TSAX3_STATE_JASP; + break; + case '!': + return TSax3_StateParser::TSAX3_STATE_ESCAPE; + break; + default: + $context->unscanCharacter(); + return TSax3_StateParser::TSAX3_STATE_OPENING_TAG; + } + } +} +/** +* Dealing with closing XML tags +* @package System.Security.SafeHtml +* @access protected +*/ +class TSax3_ClosingTagState { + /** + * @param TSax3_StateParser subclass + * @return constant TSAX3_STATE_START + * @access protected + */ + function parse(&$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, $tag, FALSE); + } + return TSax3_StateParser::TSAX3_STATE_START; + } +} +/** +* Dealing with opening XML tags +* @package System.Security.SafeHtml +* @access protected +*/ +class TSax3_OpeningTagState { + /** + * Handles attributes + * @param string attribute name + * @param string attribute value + * @return void + * @access protected + * @see TSax3_AttributeStartState + */ + function parseAttributes(&$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 $Attributes; + } + + /** + * @param TSax3_StateParser subclass + * @return constant TSAX3_STATE_START + * @access protected + */ + function parse(&$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, + $Attributes, FALSE); + } + } + return TSax3_StateParser::TSAX3_STATE_START; + } +} + +/** +* Deals with XML escapes handling comments and CDATA correctly +* @package System.Security.SafeHtml +* @access protected +*/ +class TSax3_EscapeState { + /** + * @param TSax3_StateParser subclass + * @return constant TSAX3_STATE_START + * @access protected + */ + function parse(&$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, $text); + } + return TSax3_StateParser::TSAX3_STATE_START; + } +} +/** +* Deals with JASP/ASP markup +* @package System.Security.SafeHtml +* @access protected +*/ +class TSax3_JaspState { + /** + * @param TSax3_StateParser subclass + * @return constant TSAX3_STATE_START + * @access protected + */ + function parse(&$context) { + $text = $context->scanUntilString('%>'); + if ($text != '') { + $context->handler_object_jasp-> + {$context->handler_method_jasp}($context->htmlsax, $text); + } + $context->IgnoreCharacter(); + $context->IgnoreCharacter(); + return TSax3_StateParser::TSAX3_STATE_START; + } +} +/** +* Deals with XML processing instructions +* @package System.Security.SafeHtml +* @access protected +*/ +class TSax3_PiState { + /** + * @param TSax3_StateParser subclass + * @return constant TSAX3_STATE_START + * @access protected + */ + function parse(&$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 TSax3_StateParser::TSAX3_STATE_START; + } +} |