Location: PHPKode > projects > Volunteer Management OpenSource Software > vmoss_alpha02/3rd/htmlpurifier/library/HTMLPurifier/Strategy.php
<?php

/**
 * Supertype for classes that define a strategy for modifying/purifying tokens.
 * 
 * While HTMLPurifier's core purpose is fixing HTML into something proper, 
 * strategies provide plug points for extra configuration or even extra
 * features, such as custom tags, custom parsing of text, etc.
 */

HTMLPurifier_ConfigSchema::define(
    'Core', 'EscapeInvalidTags', false, 'bool',
    'When true, invalid tags will be written back to the document as plain '.
    'text.  Otherwise, they are silently dropped.'
);
 
class HTMLPurifier_Strategy
{
    
    /**
     * Executes the strategy on the tokens.
     * 
     * @param $tokens Array of HTMLPurifier_Token objects to be operated on.
     * @param $config Configuration options
     * @returns Processed array of token objects.
     */
    function execute($tokens, $config, &$context) {
        trigger_error('Cannot call abstract function', E_USER_ERROR);
    }
    
}

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