<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/**
* @see Zend_Validate_Abstract
*/
require_once 'Zend/Validate/Abstract.php';
/**
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_NotEmpty extends Zend_Validate_Abstract
{
const BOOLEAN = 1;
const INTEGER = 2;
const FLOAT = 4;
const STRING = 8;
const ZERO = 16;
const EMPTY_ARRAY = 32;
const NULL = 64;
const PHP = 127;
const SPACE = 128;
const OBJECT = 256;
const OBJECT_STRING = 512;
const OBJECT_COUNT = 1024;
const ALL = 2047;
const INVALID = 'notEmptyInvalid';
const IS_EMPTY = 'isEmpty';
protected $_constants = array(
self::BOOLEAN => 'boolean',
self::INTEGER => 'integer',
self::FLOAT => 'float',
self::STRING => 'string',
self::ZERO => 'zero',
self::EMPTY_ARRAY => 'array',
self::NULL => 'null',
self::PHP => 'php',
self::SPACE => 'space',
self::OBJECT => 'object',
self::OBJECT_STRING => 'objectstring',
self::OBJECT_COUNT => 'objectcount',
self::ALL => 'all',
);
/**
* @var array
*/
protected $_messageTemplates = array(
self::IS_EMPTY => "Value is required and can't be empty",
self::INVALID => "Invalid type given. String, integer, float, boolean or array expected",
);
/**
* Internal type to detect
*
* @var integer
*/
protected $_type = 493;
/**
* Constructor
*
* @param string|array|Zend_Config $options OPTIONAL
*/
public function __construct($options = null)
{
if ($options instanceof Zend_Config) {
$options = $options->toArray();
} else if (!is_array($options)) {
$options = func_get_args();
$temp = array();
if (!empty($options)) {
$temp['type'] = array_shift($options);
}
$options = $temp;
}
if (is_array($options) && array_key_exists('type', $options)) {
$this->setType($options['type']);
}
}
/**
* Returns the set types
*
* @return array
*/
public function getType()
{
return $this->_type;
}
/**
* Set the types
*
* @param integer|array $type
* @throws Zend_Validate_Exception
* @return Zend_Validate_NotEmpty
*/
public function setType($type = null)
{
if (is_array($type)) {
$detected = 0;
foreach($type as $value) {
if (is_int($value)) {
$detected += $value;
} else if (in_array($value, $this->_constants)) {
$detected += array_search($value, $this->_constants);
}
}
$type = $detected;
} else if (is_string($type) && in_array($type, $this->_constants)) {
$type = array_search($type, $this->_constants);
}
if (!is_int($type) || ($type < 0) || ($type > self::ALL)) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception('Unknown type');
}
$this->_type = $type;
return $this;
}
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if $value is not an empty value.
*
* @param string $value
* @return boolean
*/
public function isValid($value)
{
if ($value !== null && !is_string($value) && !is_int($value) && !is_float($value) &&
!is_bool($value) && !is_array($value) && !is_object($value)) {
$this->_error(self::INVALID);
return false;
}
$type = $this->getType();
$this->_setValue($value);
$object = false;
// OBJECT_COUNT (countable object)
if ($type >= self::OBJECT_COUNT) {
$type -= self::OBJECT_COUNT;
$object = true;
if (is_object($value) && ($value instanceof Countable) && (count($value) == 0)) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// OBJECT_STRING (object's toString)
if ($type >= self::OBJECT_STRING) {
$type -= self::OBJECT_STRING;
$object = true;
if ((is_object($value) && (!method_exists($value, '__toString'))) ||
(is_object($value) && (method_exists($value, '__toString')) && (((string) $value) == ""))) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// OBJECT (object)
if ($type >= self::OBJECT) {
$type -= self::OBJECT;
// fall trough, objects are always not empty
} else if ($object === false) {
// object not allowed but object given -> return false
if (is_object($value)) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// SPACE (' ')
if ($type >= self::SPACE) {
$type -= self::SPACE;
if (is_string($value) && (preg_match('/^\s+$/s', $value))) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// NULL (null)
if ($type >= self::NULL) {
$type -= self::NULL;
if ($value === null) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// EMPTY_ARRAY (array())
if ($type >= self::EMPTY_ARRAY) {
$type -= self::EMPTY_ARRAY;
if (is_array($value) && ($value == array())) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// ZERO ('0')
if ($type >= self::ZERO) {
$type -= self::ZERO;
if (is_string($value) && ($value == '0')) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// STRING ('')
if ($type >= self::STRING) {
$type -= self::STRING;
if (is_string($value) && ($value == '')) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// FLOAT (0.0)
if ($type >= self::FLOAT) {
$type -= self::FLOAT;
if (is_float($value) && ($value == 0.0)) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// INTEGER (0)
if ($type >= self::INTEGER) {
$type -= self::INTEGER;
if (is_int($value) && ($value == 0)) {
$this->_error(self::IS_EMPTY);
return false;
}
}
// BOOLEAN (false)
if ($type >= self::BOOLEAN) {
$type -= self::BOOLEAN;
if (is_bool($value) && ($value == false)) {
$this->_error(self::IS_EMPTY);
return false;
}
}
return true;
}
}