Location: PHPKode > projects > Qwench > Qwench-master/libraries/purifier/HTMLPurifier/AttrTypes.php
<?php

/**
 * Provides lookup array of attribute types to HTMLPurifier_AttrDef objects
 */
class HTMLPurifier_AttrTypes
{
    /**
     * Lookup array of attribute string identifiers to concrete implementations
     */
    protected $info = array();

    /**
     * Constructs the info array, supplying default implementations for attribute
     * types.
     */
    public function __construct() {
        // pseudo-types, must be instantiated via shorthand
        $this->info['Enum']    = new HTMLPurifier_AttrDef_Enum();
        $this->info['Bool']    = new HTMLPurifier_AttrDef_HTML_Bool();

        $this->info['CDATA']    = new HTMLPurifier_AttrDef_Text();
        $this->info['ID']       = new HTMLPurifier_AttrDef_HTML_ID();
        $this->info['Length']   = new HTMLPurifier_AttrDef_HTML_Length();
        $this->info['MultiLength'] = new HTMLPurifier_AttrDef_HTML_MultiLength();
        $this->info['NMTOKENS'] = new HTMLPurifier_AttrDef_HTML_Nmtokens();
        $this->info['Pixels']   = new HTMLPurifier_AttrDef_HTML_Pixels();
        $this->info['Text']     = new HTMLPurifier_AttrDef_Text();
        $this->info['URI']      = new HTMLPurifier_AttrDef_URI();
        $this->info['LanguageCode'] = new HTMLPurifier_AttrDef_Lang();
        $this->info['Color']    = new HTMLPurifier_AttrDef_HTML_Color();

        // unimplemented aliases
        $this->info['ContentType'] = new HTMLPurifier_AttrDef_Text();
        $this->info['ContentTypes'] = new HTMLPurifier_AttrDef_Text();
        $this->info['Charsets'] = new HTMLPurifier_AttrDef_Text();
        $this->info['Character'] = new HTMLPurifier_AttrDef_Text();

        // "proprietary" types
        $this->info['Class'] = new HTMLPurifier_AttrDef_HTML_Class();

        // number is really a positive integer (one or more digits)
        // FIXME: ^^ not always, see start and value of list items
        $this->info['Number']   = new HTMLPurifier_AttrDef_Integer(false, false, true);
    }

    /**
     * Retrieves a type
     * @param $type String type name
     * @return Object AttrDef for type
     */
    public function get($type) {

        // determine if there is any extra info tacked on
        if (strpos($type, '#') !== false) list($type, $string) = explode('#', $type, 2);
        else $string = '';

        if (!isset($this->info[$type])) {
            trigger_error('Cannot retrieve undefined attribute type ' . $type, E_USER_ERROR);
            return;
        }

        return $this->info[$type]->make($string);

    }

    /**
     * Sets a new implementation for a type
     * @param $type String type name
     * @param $impl Object AttrDef for type
     */
    public function set($type, $impl) {
        $this->info[$type] = $impl;
    }
}

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