lib/pear/HTML/QuickForm/Rule/Regex.php

   1 <?php
   2 /* vim: set expandtab tabstop=4 shiftwidth=4: */
   3 // +----------------------------------------------------------------------+
   4 // | PHP version 4.0                                                      |
   5 // +----------------------------------------------------------------------+
   6 // | Copyright (c) 1997-2003 The PHP Group                                |
   7 // +----------------------------------------------------------------------+
   8 // | This source file is subject to version 2.0 of the PHP license,       |
   9 // | that is bundled with this package in the file LICENSE, and is        |
  10 // | available at through the world-wide-web at                           |
  11 // | http://www.php.net/license/2_02.txt.                                 |
  12 // | If you did not receive a copy of the PHP license and are unable to   |
  13 // | obtain it through the world-wide-web, please send a note to          |
  14 // | license@php.net so we can mail you a copy immediately.               |
  15 // +----------------------------------------------------------------------+
  16 // | Authors: Bertrand Mansion <bmansion@mamasam.com>                     |
  17 // +----------------------------------------------------------------------+
  18 //
  19 // $Id$
  20
  21 require_once('HTML/QuickForm/Rule.php');
  22
  23 /**
  24 * Validates values using regular expressions
  25 * @version     1.0
  26 */
  27 class HTML_QuickForm_Rule_Regex extends HTML_QuickForm_Rule
  28 {
  29     /**
  30      * Array of regular expressions
  31      *
  32      * Array is in the format:
  33      * $_data['rulename'] = 'pattern';
  34      *
  35      * @var     array
  36      * @access  private
  37      */
  38     var $_data = array(
  39                     'lettersonly'   => '/^[a-zA-Z]+$/',
  40                     'alphanumeric'  => '/^[a-zA-Z0-9]+$/',
  41                     'numeric'       => '/(^-?\d\d*\.\d*$)|(^-?\d\d*$)|(^-?\.\d\d*$)/',
  42                     'nopunctuation' => '/^[^().\/\*\^\?#!@$%+=,\"\'><~\[\]{}]+$/',
  43                     'nonzero'       => '/^-?[1-9][0-9]*/'
  44                     );
  45
  46     /**
  47      * Validates a value using a regular expression
  48      *
  49      * @param     string    $value      Value to be checked
  50      * @param     string    $regex      Regular expression
  51      * @access    public
  52      * @return    boolean   true if value is valid
  53      */
  54     function validate($value, $regex = null)
  55     {
  56         if (isset($this->_data[$this->name])) {
  57             if (!preg_match($this->_data[$this->name], $value)) {
  58                 return false;
  59             }
  60         } else {
  61             if (!preg_match($regex, $value)) {
  62                 return false;
  63             }
  64         }
  65         return true;
  66     } // end func validate
  67
  68     /**
  69      * Adds new regular expressions to the list
  70      *
  71      * @param     string    $name       Name of rule
  72      * @param     string    $pattern    Regular expression pattern
  73      * @access    public
  74      */
  75     function addData($name, $pattern)
  76     {
  77         $this->_data[$name] = $pattern;
  78     } // end func addData
  79
  80
  81     function getValidationScript($options = null)
  82     {
  83         $regex = isset($this->_data[$this->name]) ? $this->_data[$this->name] : $options;
  84
  85         return array("  var regex = " . $regex . ";\n", "{jsVar} != '' && !regex.test({jsVar})");
  86     } // end func getValidationScript
  87
  88 } // end class HTML_QuickForm_Rule_Regex
  89 ?>