[tt-rss.git] / lib / htmlpurifier / library / HTMLPurifier / EntityLookup.php

<?php

/**
 * Object that provides entity lookup table from entity name to character
 */
class HTMLPurifier_EntityLookup {

    /**
     * Assoc array of entity name to character represented.
     */
    public $table;

    /**
     * Sets up the entity lookup table from the serialized file contents.
     * @note The serialized contents are versioned, but were generated
     *       using the maintenance script generate_entity_file.php
     * @warning This is not in constructor to help enforce the Singleton
     */
    public function setup($file = false) {
        if (!$file) {
            $file = HTMLPURIFIER_PREFIX . '/HTMLPurifier/EntityLookup/entities.ser';
        }
        $this->table = unserialize(file_get_contents($file));
    }

    /**
     * Retrieves sole instance of the object.
     * @param Optional prototype of custom lookup table to overload with.
     */
    public static function instance($prototype = false) {
        // no references, since PHP doesn't copy unless modified
        static $instance = null;
        if ($prototype) {
            $instance = $prototype;
        } elseif (!$instance) {
            $instance = new HTMLPurifier_EntityLookup();
            $instance->setup();
        }
        return $instance;
    }

}

// vim: et sw=4 sts=4
Commit	Line	Data
f45a286b AD	1	<?php
	2
	3	/**
	4	* Object that provides entity lookup table from entity name to character
	5	*/
	6	class HTMLPurifier_EntityLookup {
	7
	8	/**
	9	* Assoc array of entity name to character represented.
	10	*/
	11	public $table;
	12
	13	/**
	14	* Sets up the entity lookup table from the serialized file contents.
	15	* @note The serialized contents are versioned, but were generated
	16	* using the maintenance script generate_entity_file.php
	17	* @warning This is not in constructor to help enforce the Singleton
	18	*/
	19	public function setup($file = false) {
	20	if (!$file) {
	21	$file = HTMLPURIFIER_PREFIX . '/HTMLPurifier/EntityLookup/entities.ser';
	22	}
	23	$this->table = unserialize(file_get_contents($file));
	24	}
	25
	26	/**
	27	* Retrieves sole instance of the object.
	28	* @param Optional prototype of custom lookup table to overload with.
	29	*/
	30	public static function instance($prototype = false) {
	31	// no references, since PHP doesn't copy unless modified
	32	static $instance = null;
	33	if ($prototype) {
	34	$instance = $prototype;
	35	} elseif (!$instance) {
	36	$instance = new HTMLPurifier_EntityLookup();
	37	$instance->setup();
	38	}
	39	return $instance;
	40	}
	41
	42	}
	43
	44	// vim: et sw=4 sts=4