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<?php
/*
The OnceForm - Write once HTML5 forms processing for PHP.
Copyright (C) 2012-2013 adcSTUDIO LLC
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
interface iOnceValidator {
public function field( iOnceField $field = NULL );
public function isValid();
public function errors();
}
/**
* InputValidatr - validates a basic input type="text" and serves as
* the base for other validators.
*
* @author Kevin Newman <Kevin@adcSTUDIO.com>
* @package The OnceForm
* @copyright (C) 2012 adcSTUDIO LLC
* @license GNU/GPL, see license.txt
*/
class OnceValidator implements iOnceValidator
{
protected $field;
public function field( iOnceField $field = NULL )
{
if ( !is_null( $field ) )
$this->field = $field;
return $this->field;
}
protected $isValid;
public function isValid()
{
// reset the error count when revalidating
$this->errors = array();
$field = $this->field;
if ( is_null( $field ) ) return;
if ( $field->required() && '' == $field->value() )
$this->errors[] = 'Required field *'.$field->name().'* is empty';
return $this->isValid = empty( $this->errors );
}
protected $errors = array();
public function errors() {
return $this->errors;
}
public function __construct( iOnceField $field = NULL ) {
$this->field( $field );
}
}
class EmailValidator extends OnceValidator
{
static private $email_pattern = "/[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/i";
public function isValid()
{
$valid = parent::isValid();
$field = $this->field;
if ( $field->value() ) {
if ( !preg_match( self::$email_pattern, $field->value() ) )
$this->errors[] = 'not a valid email address';
}
return $this->isValid = empty( $this->errors );
}
}
class UserValidator extends OnceValidator
{
public function isValid() {
return $this->isValid;
}
public function errors() {
return $this->errors;
}
public function __construct( array $errors ) {
$this->errors = $errors;
$this->isValid = (!$errors);
}
}