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<?php
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/**
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 * Abstract base token class that all others inherit from.
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 */
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abstract class HTMLPurifier_Token
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{
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    /**
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     * Line number node was on in source document. Null if unknown.
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     * @type int
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     */
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    public $line;
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    /**
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     * Column of line node was on in source document. Null if unknown.
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     * @type int
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     */
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    public $col;
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    /**
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     * Lookup array of processing that this token is exempt from.
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     * Currently, valid values are "ValidateAttributes" and
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     * "MakeWellFormed_TagClosedError"
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     * @type array
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     */
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    public $armor = array();
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    /**
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     * Used during MakeWellFormed.  See Note [Injector skips]
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     * @type
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     */
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    public $skip;
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    /**
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     * @type
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     */
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    public $rewind;
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    /**
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     * @type
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     */
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    public $carryover;
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    /**
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     * @param string $n
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     * @return null|string
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     */
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    public function __get($n)
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    {
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        if ($n === 'type') {
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            trigger_error('Deprecated type property called; use instanceof', E_USER_NOTICE);
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            switch (get_class($this)) {
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                case 'HTMLPurifier_Token_Start':
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                    return 'start';
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                case 'HTMLPurifier_Token_Empty':
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                    return 'empty';
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                case 'HTMLPurifier_Token_End':
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                    return 'end';
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                case 'HTMLPurifier_Token_Text':
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                    return 'text';
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                case 'HTMLPurifier_Token_Comment':
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                    return 'comment';
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                default:
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                    return null;
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            }
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        }
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    }
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    /**
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     * Sets the position of the token in the source document.
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     * @param int $l
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     * @param int $c
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     */
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    public function position($l = null, $c = null)
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    {
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        $this->line = $l;
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        $this->col = $c;
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    }
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    /**
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     * Convenience function for DirectLex settings line/col position.
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     * @param int $l
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     * @param int $c
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     */
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    public function rawPosition($l, $c)
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    {
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        if ($c === -1) {
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            $l++;
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        }
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        $this->line = $l;
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        $this->col = $c;
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    }
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    /**
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     * Converts a token into its corresponding node.
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     */
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    abstract public function toNode();
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}
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// vim: et sw=4 sts=4