vzlogger/backend/lib/Model/PropertyDefinition.php
2010-09-19 20:40:37 +02:00

127 lines
2.9 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2010, The volkszaehler.org project
* @package default
* @license http://www.opensource.org/licenses/gpl-license.php GNU Public License
*/
/*
* This file is part of volkzaehler.org
*
* volkzaehler.org 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 3 of the License, or
* any later version.
*
* volkzaehler.org 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 volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Volkszaehler\Model;
/**
* @author Steffen Vogel <info@steffenvogel.de>
* @package default
*/
class PropertyDefinition extends Definition {
/**
* File containing the JSON definitons
*
* @var string
*/
const FILE = '/share/definitions/properties.json';
/**
* One of: string, integer, float, boolean, multiple
*
* @var string
*/
protected $type;
/**
* Regex pattern to match if type == string
*
* @var string
*/
protected $pattern;
/**
* Minimal value if type == integer or type == float
* Required string length if type == string
*
* @var integer|float
*/
protected $min;
/**
* Maximal value if type == integer or type == float
* Allowed string length if type == string
*
* @var integer|float
*/
protected $max;
/**
* List of possible choices if type == multiple
* (type as in javascript: 1.2 => float, 5 => integer, true => boolean, "test" => string)
*
* @var array
*/
protected $choices = array();
protected static $definitions = NULL;
/**
* Validate value according to $this->type
*
* @param string|numeric $value
* @return boolean
*/
public function validateValue($value) {
switch ($this->type) {
case 'string':
$invalid = !is_string($value);
$invalid |= isset($this->pattern) && !preg_match($this->pattern, $value);
$invalid |= isset($this->min) && strlen($value) < $this->min;
$invalid |= isset($this->max) && strlen($value) > $this->max;
break;
case 'integer':
$invalid = !is_int($value);
break;
case 'float':
$invalid = !is_float($value);
break;
case 'boolean':
$invalid = !is_bool($value);
break;
case 'multiple':
$invalid = !in_array($value, $this->choices, TRUE);
break;
default:
throw new \Exception('Unknown property type: ' . $type);
}
if ($this->type == 'integer' || $this->type == 'float') {
$invalid |= isset($this->min) && $value < $this->min;
$invalid |= isset($this->max) && $value > $this->max;
}
return !$invalid;
}
/*
* Setter & getter
*/
public function getType() { return $this->type; }
}
?>