<?php
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/**
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* Supertype for classes that define a strategy for modifying/purifying tokens.
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*
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* While HTMLPurifier's core purpose is fixing HTML into something proper,
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* strategies provide plug points for extra configuration or even extra
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* features, such as custom tags, custom parsing of text, etc.
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*/
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abstract class HTMLPurifier_Strategy
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{
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/**
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* Executes the strategy on the tokens.
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*
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* @param HTMLPurifier_Token[] $tokens Array of HTMLPurifier_Token objects to be operated on.
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* @param HTMLPurifier_Config $config
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* @param HTMLPurifier_Context $context
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* @return HTMLPurifier_Token[] Processed array of token objects.
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*/
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abstract public function execute($tokens, $config, $context);
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}
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// vim: et sw=4 sts=4
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