Proyectos de Subversion Moodle

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<?php
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/**
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 * Decorator that, depending on a token, switches between two definitions.
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 */
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class HTMLPurifier_AttrDef_Switch
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{
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    /**
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     * @type string
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     */
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    protected $tag;
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    /**
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     * @type HTMLPurifier_AttrDef
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     */
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    protected $withTag;
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    /**
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     * @type HTMLPurifier_AttrDef
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     */
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    protected $withoutTag;
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    /**
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     * @param string $tag Tag name to switch upon
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     * @param HTMLPurifier_AttrDef $with_tag Call if token matches tag
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     * @param HTMLPurifier_AttrDef $without_tag Call if token doesn't match, or there is no token
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     */
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    public function __construct($tag, $with_tag, $without_tag)
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    {
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        $this->tag = $tag;
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        $this->withTag = $with_tag;
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        $this->withoutTag = $without_tag;
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    }
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    /**
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     * @param string $string
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     * @param HTMLPurifier_Config $config
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     * @param HTMLPurifier_Context $context
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     * @return bool|string
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     */
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    public function validate($string, $config, $context)
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    {
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        $token = $context->get('CurrentToken', true);
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        if (!$token || $token->name !== $this->tag) {
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            return $this->withoutTag->validate($string, $config, $context);
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        } else {
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            return $this->withTag->validate($string, $config, $context);
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        }
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    }
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}
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// vim: et sw=4 sts=4