<?php
/* SVN FILE: $Id$ */

/**
 * Short description for file.
 *
 * Long description for file
 *
 * PHP versions 4 and 5
 *
 * CakePHP :  Rapid Development Framework <http://www.cakephp.org/>
 * Copyright (c) 2005, Cake Software Foundation, Inc. 
 *                     1785 E. Sahara Avenue, Suite 490-204
 *                     Las Vegas, Nevada 89104
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @filesource
 * @copyright    Copyright (c) 2005, Cake Software Foundation, Inc.
 * @link         http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
 * @package      cake
 * @subpackage   cake.cake.libs
 * @since        CakePHP v 0.10.3.1343
 * @version      $Revision$
 * @modifiedby   $LastChangedBy$
 * @lastmodified $Date$
 * @license      http://www.opensource.org/licenses/mit-license.php The MIT License
 */

/**
 * Short description for file.
 *
 * Long description for file
 *
 * @package    cake
 * @subpackage cake.cake.libs
 * @since      CakePHP v 0.10.3.1343
 */

class Validation //extends Object
{
/**
 * Enter description here...
 *
 * @var unknown_type
 */
    var $check = null;
/**
 * Enter description here...
 *
 * @var unknown_type
 */
    var $regex = null;
/**
 * Enter description here...
 *
 * @var unknown_type
 */
    var $country = null;
/**
 * Enter description here...
 *
 * @var unknown_type
 */
    var $deep = null;
/**
 * Enter description here...
 *
 * @var unknown_type
 */
    var $type = null;

/**
 * Enter description here...
 *
 * @var unknown_type
 */
    var $errors = array();

    function __construct()
    {
        //parent::__construct();
    }

    function alphaNumeric($check)
    {
    }

    function between($check, $min, $max)
    {
        $length = strlen($check);
        if ($length >= $min && $length <= $max)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
/**
 * Returns false if field is left blank -OR- only whitespace characters are present in it's value
 * Whitespace characters include Space, Tab, Carriage Return, Newline, Formfeed
 *
 * @param array or string $check
 * @return boolean
 */
    function blank($check)
    {
        if (is_array($check))
        {
            $this->_extract($check);
            $this->regex = '/\\S*/';
        }
        else
        {
            $this->check = $check;
            $this->regex = '/\\S*/';
        }
        return $this->_check();
    }

    function cc($check, $regex = null, $type = 'fast')
    {
        $this->type = $type;

        if (is_array($check))
        {
            $this->_extract($check);
        }
        else
        {
            $this->check = $check;
        }

        if(isset($this->regex))
        {
            return $this->_check();
        }


        $cards = array('all' => array('visa'    => '/^4\\d{12}(\\d{3})?$/',
                                      'mc'      => '/^5[1-5]\\d{14}$/',
                                      'disc'    => '/^6011\\d{12}$/',
                                      'amex'    => '/^3[4|7]\\d{13}$/',
                                      'diners'  => '/^3[0|6|8]\\d{12}$/',
                                      'enroute' => '/^2[014|149]\\d{11}$/',
                                      'jcb'     => '/^3[088|096|112|158|337|528]\\d{12}$/',
                                      'switch'  => '/^(49030[2-9]|49033[5-9]|49110[1-2]|4911(7[4-9]|8[1-2])|4936[0-9]{2}|564182|6333[0-4][0-9]|6759[0-9]{2})\\d{10}(\\d{2,3})?$/',
                                      'delta'   => '/^4(1373[3-7]|462[0-9]{2}|5397[8|9]|54313|5443[2-5]|54742|567(2[5-9]|3[0-9]|4[0-5])|658[3-7][0-9]|659(0[1-9]|[1-4][0-9]|50)|844[09|10]|909[6-7][0-9]|9218[1|2]|98824)\\d{10}$/',
                                      'solo'    => '/^(6334[5-9][0-9]|6767[0-9]{2})\\d{10}(\\d{2,3})?$/'),
                       'fast'   => '/^(6334[5-9][0-9]|6767[0-9]{2})\\d{10}(\\d{2,3})?$/');

        if (is_array($this->type))
        {
            foreach ($this->type as $key => $value)
            {
                $card = low($key);
                $this->regex = $cards['all'][$card];
                if($this->_check())
                {
                    return true;
                }
            }
        }
        else
        {
            if($this->type == 'all')
            {
                foreach ($cards['all'] as $key => $value)
                {
                    $this->regex = $value;
                    if($this->_check())
                    {
                        return true;
                    }
                }
            }
            else
            {
                $this->regex = $cards['fast'];
                return $this->_check();
            }
        }
    }

    function comparison($check1, $operator = null, $check2 = null)
    {
        $return = false;

        if (is_array($check1))
        {
            extract($params, EXTR_OVERWRITE);
        }

        switch($operator)
        {
            case 'is greater':
                if($check1 > $check2)
                {
                    $return = true;
                }
            break;
            case 'is less':
                if($check1 < $check2)
                {
                    $return = true;
                }
            break;
            case 'greater or equal':
                if($check1 >= $check2)
                {
                    $return = true;
                }
            break;
            case 'less or equal':
                if($check1 > $check2)
                {
                    $return = true;
                }
            break;
            case 'equal to':
                if($check1 == $check2)
                {
                    $return = true;
                }
            break;
            case 'not equal':
                if($check1 != $check2)
                {
                    $return = true;
                }
            break;
        }
        return $return;
    }

    function custom($check, $regex = null)
    {
        if (is_array($check))
        {
            $this->_extract($check);
        }
        else
        {
            $this->check = $check;
            $this->regex = $regex;
        }
        return $this->_check();
    }

    function date($check)
    {
    }

    function decimal($check, $type, $regex= null)
    {
        //Validates a simple decimal format
        //Validate a complex decimal format.
    }

    function email($check, $regex= null, $deep = false)
    {
        if (is_array($check))
        {
            $this->_extract($check);
        }
        else
        {
            $this->check = $check;
            $this->regex = $regex;
            $this->deep = $deep;
        }

        if(is_null($this->regex))
        {
            $this->regex = '/\\A(?:^([a-z0-9][a-z0-9_\\-\\.\\+]*)@([a-z0-9][a-z0-9\\.\\-]{0,63}\\.(com|org|net|biz|info|name|net|pro|aero|coop|museum|[a-z]{2,4}))$)\\z/i';
        }

        if($this->_check() && $this->deep)
        {
            if (preg_match('/@([a-z0-9][a-z0-9\\.\\-]{0,63}\\.([a-z]*))/', $check, $regs))
            {
                $host = gethostbynamel($regs[1]);
                if (is_array($host))
                {
                    $this->error[] = false;
                    return true;
                }
                else
                {
                    $this->error[] = true;
                    return false;
                }
            }
        }
    }

    function equalTo($check, $comparedTo)
    {
    }

    function file($check)
    {
    }

    function ip($check)
    {
    }

    function minLength($check, $min)
    {
        $length = strlen($check);
    }

    function maxLength($check, $max)
    {
        $length = strlen($check);
    }

    function money($check, $symbolPosition = 'left')
    {
        $this->check = $check;
        switch ($symbolPosition)
        {
            case 'left':
                $this->regex = '/^(?!\\u00a2)\\p{Sc}?(?!0,?\\d)(?:\\d{1,3}(?:([, .])\\d{3})?(?:\\1\\d{3})*|(?:\\d+))((?!\\1)[,.]\\d{2})?$/';
            break;
            case 'right':
                $this->regex = '/^(?!0,?\\d)(?:\\d{1,3}(?:([, .])\\d{3})?(?:\\1\\d{3})*|(?:\\d+))((?!\\1)[,.]\\d{2})?(?<!\\u00a2)\\p{Sc}?$/';
            break;
        }
        return $this->_check();


    }

    function multiple($check, $type, $regex= null)
    {
        //Validate a select object for a selected index past 0.
        //Validate a select against a list of restriced indexes.
        //Validate a multiple-select for the quantity selected.
    }

    function number($check, $lower = null, $upper = null )
    {
        if (isset($lower) && isset($upper) && $lower > $upper)
        {
            //error
        }
        if(is_float($check))
        {

        }
    }

    function numeric($check)
    {
        return is_numeric($check);
    }

    function phone($check, $regex= null, $country = 'all')
    {
        if (is_array($check))
        {
            $this->_extract($check);
        }
        else
        {
            $this->check = $check;
            $this->regex = $regex;
            $this->country = $country;
        }


        if(is_null($this->regex))
        {
            switch ($this->country)
            {
                case 'us':
                    $this->regex  = '/1?[-. ]?\\(?([0-9]{3})\\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})/';
                break;
            }
        }
        return $this->_check();
    }

    function postal($check, $regex= null, $country = null)
    {
        if (is_array($check))
        {
            $this->_extract($check);
        }
        else
        {
            $this->check = $check;
            $this->regex = $regex;
            $this->country = $country;
        }

        if(is_null($this->regex))
        {
            switch ($this->country)
            {
                case 'us':
                    $this->regex  = '/\\A\\b[0-9]{5}(?:-[0-9]{4})?\\b\\z/i';
                break;
                case 'uk':
                    $this->regex  = '/\\A\\b[A-Z]{1,2}[0-9][A-Z0-9]? [0-9][ABD-HJLNP-UW-Z]{2}\\b\\z/i';
                break;
                case 'ca':
                    $this->regex  = '/\\A\\b[ABCEGHJKLMNPRSTVXY][0-9][A-Z] [0-9][A-Z][0-9]\\b\\z/i';
                break;
            }
        }
        return $this->_check();
    }

    function ssn($check, $regex= null, $country = null)
    {
        if (is_array($check))
        {
            $this->_extract($check);
        }
        else
        {
            $this->check = $check;
            $this->regex = $regex;
            $this->country = $country;
        }

        if(is_null($this->regex))
        {
            switch ($this->country)
            {
                case 'us':
                    $this->regex  = '/\\A\\b[0-9]{3}-[0-9]{2}-[0-9]{4}\\b\\z/i';
                break;
                case 'dk':
                    $this->regex  = '/\\A\\b[0-9]{6}-[0-9]{4}\\b\\z/i';
                break;
                case 'nl':
                    $this->regex  = '/\\A\\b[0-9]{9}\\b\\z/i';
                break;
            }
        }
        return $this->_check();
    }

    function url($check)
    {
        $this->check = $check;
        $this->regex = '/\\A(?:(https?|ftps?|file|news|gopher):\\/\\/[\\w\\-_]+(\\.[\\w\\-_]+)+([\\w\\-\\.,@?^=%&:\/~\\+#]*[\\w\\-\\@?^=%&\/~\\+#])?)\\z/i';
        return $this->_check();
    }

    function userDefined($object, $method, $args)
    {
        return call_user_func_array(array(&$object, $method), $args);
    }

    function _check()
    {
        if (preg_match($this->regex, $this->check))
        {
            $this->error[] = false;
            return true;
        }
        else
        {
            $this->error[] = true;
            return false;
        }
    }

    function _extract($params)
    {
        extract($params, EXTR_OVERWRITE);
        if (isset($check))
        {
            $this->check = $check;
        }
        if (isset($regex))
        {
            $this->regex = $regex;
        }
        if (isset($country))
        {
            $this->country = strtolower($country);
        }
        if (isset($deep))
        {
            $this->deep = $deep;
        }
        if (isset($type))
        {
            $this->type = $type;
        }
    }
}

?>