/system/library/PEAR/HTML/QuickForm2/Factory.php

<?php
/**
 * Static Factory class for HTML_QuickForm2 package
 *
 * PHP version 5
 *
 * LICENSE:
 *
 * Copyright (c) 2006-2012, Alexey Borzov <avb@php.net>,
 *                          Bertrand Mansion <golgote@mamasam.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *    * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *    * The names of the authors may not be used to endorse or promote products
 *      derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @category HTML
 * @package  HTML_QuickForm2
 * @author   Alexey Borzov <avb@php.net>
 * @author   Bertrand Mansion <golgote@mamasam.com>
 * @license  http://opensource.org/licenses/bsd-license.php New BSD License
 * @version  SVN: $Id: Factory.php 325159 2012-04-13 21:42:23Z avb $
 * @link     http://pear.php.net/package/HTML_QuickForm2
 */

/**
 * Class with static methods for loading classes and files
 */
require_once 'HTML/QuickForm2/Loader.php';

/**
 * Static factory class
 *
 * The class handles instantiation of Element and Rule objects as well as
 * registering of new Element and Rule classes.
 *
 * @category HTML
 * @package  HTML_QuickForm2
 * @author   Alexey Borzov <avb@php.net>
 * @author   Bertrand Mansion <golgote@mamasam.com>
 * @license  http://opensource.org/licenses/bsd-license.php New BSD License
 * @version  Release: 2.0.0
 * @link     http://pear.php.net/package/HTML_QuickForm2
 */
class HTML_QuickForm2_Factory
{
   /**
    * List of element types known to Factory
    * @var array
    */
    protected static $elementTypes = array(
        'button'        => array('HTML_QuickForm2_Element_Button', null),
        'checkbox'      => array('HTML_QuickForm2_Element_InputCheckbox', null),
        'date'          => array('HTML_QuickForm2_Element_Date', null),
        'fieldset'      => array('HTML_QuickForm2_Container_Fieldset', null),
        'group'         => array('HTML_QuickForm2_Container_Group', null),
        'file'          => array('HTML_QuickForm2_Element_InputFile', null),
        'hidden'        => array('HTML_QuickForm2_Element_InputHidden', null),
        'hierselect'    => array('HTML_QuickForm2_Element_Hierselect', null),
        'image'         => array('HTML_QuickForm2_Element_InputImage', null),
        'inputbutton'   => array('HTML_QuickForm2_Element_InputButton', null),
        'password'      => array('HTML_QuickForm2_Element_InputPassword', null),
        'radio'         => array('HTML_QuickForm2_Element_InputRadio', null),
        'repeat'        => array('HTML_QuickForm2_Container_Repeat', null),
        'reset'         => array('HTML_QuickForm2_Element_InputReset', null),
        'script'        => array('HTML_QuickForm2_Element_Script', null),
        'select'        => array('HTML_QuickForm2_Element_Select', null),
        'static'        => array('HTML_QuickForm2_Element_Static', null),
        'submit'        => array('HTML_QuickForm2_Element_InputSubmit', null),
        'text'          => array('HTML_QuickForm2_Element_InputText', null),
        'textarea'      => array('HTML_QuickForm2_Element_Textarea', null)
    );

   /**
    * List of registered rules
    * @var array
    */
    protected static $registeredRules = array(
        'nonempty'      => array('HTML_QuickForm2_Rule_Nonempty', null),
        'empty'         => array('HTML_QuickForm2_Rule_Empty', null),
        'required'      => array('HTML_QuickForm2_Rule_Required', null),
        'compare'       => array('HTML_QuickForm2_Rule_Compare', null),
        'eq'            => array('HTML_QuickForm2_Rule_Compare', null,
                                 array('operator' => '===')),
        'neq'           => array('HTML_QuickForm2_Rule_Compare', null,
                                 array('operator' => '!==')),
        'lt'            => array('HTML_QuickForm2_Rule_Compare', null,
                                 array('operator' => '<')),
        'lte'           => array('HTML_QuickForm2_Rule_Compare', null,
                                 array('operator' => '<=')),
        'gt'            => array('HTML_QuickForm2_Rule_Compare', null,
                                 array('operator' => '>')),
        'gte'           => array('HTML_QuickForm2_Rule_Compare', null,
                                 array('operator' => '>=')),
        'regex'         => array('HTML_QuickForm2_Rule_Regex', null),
        'callback'      => array('HTML_QuickForm2_Rule_Callback', null),
        'length'        => array('HTML_QuickForm2_Rule_Length', null),
        'minlength'     => array('HTML_QuickForm2_Rule_Length', null,
                                 array('max' => 0)),
        'maxlength'     => array('HTML_QuickForm2_Rule_Length', null,
                                 array('min' => 0)),
        'maxfilesize'   => array('HTML_QuickForm2_Rule_MaxFileSize', null),
        'mimetype'      => array('HTML_QuickForm2_Rule_MimeType', null),
        'each'          => array('HTML_QuickForm2_Rule_Each', null),
        'notcallback'   => array('HTML_QuickForm2_Rule_NotCallback', null),
        'notregex'      => array('HTML_QuickForm2_Rule_NotRegex', null),
        'email'         => array('HTML_QuickForm2_Rule_Email', null)
    );


   /**
    * Registers a new element type
    *
    * @param string $type        Type name (treated case-insensitively)
    * @param string $className   Class name
    * @param string $includeFile File containing the class, leave empty if class already loaded
    */
    public static function registerElement($type, $className, $includeFile = null)
    {
        self::$elementTypes[strtolower($type)] = array($className, $includeFile);
    }


   /**
    * Checks whether an element type is known to factory
    *
    * @param string $type Type name (treated case-insensitively)
    *
    * @return   bool
    */
    public static function isElementRegistered($type)
    {
        return isset(self::$elementTypes[strtolower($type)]);
    }


   /**
    * Creates a new element object of the given type
    *
    * @param string       $type       Type name (treated case-insensitively)
    * @param string       $name       Element name (passed to element's constructor)
    * @param string|array $attributes Element attributes (passed to element's constructor)
    * @param array        $data       Element-specific data (passed to element's constructor)
    *
    * @return   HTML_QuickForm2_Node     A created element
    * @throws   HTML_QuickForm2_InvalidArgumentException If type name is unknown
    * @throws   HTML_QuickForm2_NotFoundException If class for the element can
    *           not be found and/or loaded from file
    */
    public static function createElement(
        $type, $name = null, $attributes = null, array $data = array()
    ) {
        $type = strtolower($type);
        if (!isset(self::$elementTypes[$type])) {
            throw new HTML_QuickForm2_InvalidArgumentException("Element type '$type' is not known");
        }
        list($className, $includeFile) = self::$elementTypes[$type];
        HTML_QuickForm2_Loader::loadClass($className, $includeFile);
        return new $className($name, $attributes, $data);
    }


   /**
    * Registers a new rule type
    *
    * @param string $type        Rule type name (treated case-insensitively)
    * @param string $className   Class name
    * @param string $includeFile File containing the class,
    *                            leave empty if class already loaded
    * @param mixed  $config      Configuration data for rules of the given type
    */
    public static function registerRule(
        $type, $className, $includeFile = null, $config = null
    ) {
        self::$registeredRules[strtolower($type)] = array($className, $includeFile, $config);
    }


   /**
    * Checks whether a rule type is known to Factory
    *
    * @param string $type Rule type name (treated case-insensitively)
    *
    * @return   bool
    */
    public static function isRuleRegistered($type)
    {
        return isset(self::$registeredRules[strtolower($type)]);
    }


   /**
    * Creates a new Rule of the given type
    *
    * @param string               $type    Rule type name (treated case-insensitively)
    * @param HTML_QuickForm2_Node $owner   Element to validate by the rule
    * @param string               $message Message to display if validation fails
    * @param mixed                $config  Configuration data for the rule
    *
    * @return   HTML_QuickForm2_Rule    A created Rule
    * @throws   HTML_QuickForm2_InvalidArgumentException If rule type is unknown
    * @throws   HTML_QuickForm2_NotFoundException        If class for the rule
    *           can't be found and/or loaded from file
    */
    public static function createRule(
        $type, HTML_QuickForm2_Node $owner, $message = '', $config = null
    ) {
        $type = strtolower($type);
        if (!isset(self::$registeredRules[$type])) {
            throw new HTML_QuickForm2_InvalidArgumentException("Rule '$type' is not known");
        }
        list($className, $includeFile) = self::$registeredRules[$type];
        HTML_QuickForm2_Loader::loadClass($className, $includeFile);
        if (isset(self::$registeredRules[$type][2])) {
            $config = call_user_func(
                array($className, 'mergeConfig'),
                $config, self::$registeredRules[$type][2]
            );
        }
        return new $className($owner, $message, $config);
    }
}
?>