376 Zeilen
9,8 KiB
PHP
376 Zeilen
9,8 KiB
PHP
|
<?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_Filter
|
||
|
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
|
||
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
||
|
* @version $Id$
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
* @see Zend_Filter_Interface
|
||
|
*/
|
||
|
require_once 'Zend/Filter/Interface.php';
|
||
|
|
||
|
/**
|
||
|
* @category Zend
|
||
|
* @package Zend_Filter
|
||
|
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
|
||
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
||
|
*/
|
||
|
class Zend_Filter_Boolean implements Zend_Filter_Interface
|
||
|
{
|
||
|
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 FALSE_STRING = 128;
|
||
|
const YES = 256;
|
||
|
const ALL = 511;
|
||
|
|
||
|
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::FALSE_STRING => 'false',
|
||
|
self::YES => 'yes',
|
||
|
self::ALL => 'all',
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
* Internal type to detect
|
||
|
*
|
||
|
* @var integer
|
||
|
*/
|
||
|
protected $_type = self::PHP;
|
||
|
|
||
|
/**
|
||
|
* Internal locale
|
||
|
*
|
||
|
* @var array
|
||
|
*/
|
||
|
protected $_locale = array('auto');
|
||
|
|
||
|
/**
|
||
|
* Internal mode
|
||
|
*
|
||
|
* @var boolean
|
||
|
*/
|
||
|
protected $_casting = true;
|
||
|
|
||
|
/**
|
||
|
* Constructor
|
||
|
*
|
||
|
* @param string|array|Zend_Config $options OPTIONAL
|
||
|
*/
|
||
|
public function __construct($options = null)
|
||
|
{
|
||
|
if ($options instanceof Zend_Config) {
|
||
|
$options = $options->toArray();
|
||
|
} elseif (!is_array($options)) {
|
||
|
$options = func_get_args();
|
||
|
$temp = array();
|
||
|
if (!empty($options)) {
|
||
|
$temp['type'] = array_shift($options);
|
||
|
}
|
||
|
|
||
|
if (!empty($options)) {
|
||
|
$temp['casting'] = array_shift($options);
|
||
|
}
|
||
|
|
||
|
if (!empty($options)) {
|
||
|
$temp['locale'] = array_shift($options);
|
||
|
}
|
||
|
|
||
|
$options = $temp;
|
||
|
}
|
||
|
|
||
|
if (array_key_exists('type', $options)) {
|
||
|
$this->setType($options['type']);
|
||
|
}
|
||
|
|
||
|
if (array_key_exists('casting', $options)) {
|
||
|
$this->setCasting($options['casting']);
|
||
|
}
|
||
|
|
||
|
if (array_key_exists('locale', $options)) {
|
||
|
$this->setLocale($options['locale']);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the set null types
|
||
|
*
|
||
|
* @return int
|
||
|
*/
|
||
|
public function getType()
|
||
|
{
|
||
|
return $this->_type;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Set the null types
|
||
|
*
|
||
|
* @param integer|array $type
|
||
|
* @throws Zend_Filter_Exception
|
||
|
* @return Zend_Filter_Boolean
|
||
|
*/
|
||
|
public function setType($type = null)
|
||
|
{
|
||
|
if (is_array($type)) {
|
||
|
$detected = 0;
|
||
|
foreach($type as $value) {
|
||
|
if (is_int($value)) {
|
||
|
$detected += $value;
|
||
|
} elseif (in_array($value, $this->_constants)) {
|
||
|
$detected += array_search($value, $this->_constants);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
$type = $detected;
|
||
|
} elseif (is_string($type) && in_array($type, $this->_constants)) {
|
||
|
$type = array_search($type, $this->_constants);
|
||
|
}
|
||
|
|
||
|
if (!is_int($type) || ($type < 0) || ($type > self::ALL)) {
|
||
|
require_once 'Zend/Filter/Exception.php';
|
||
|
throw new Zend_Filter_Exception('Unknown type');
|
||
|
}
|
||
|
|
||
|
$this->_type = $type;
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the set locale
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
public function getLocale()
|
||
|
{
|
||
|
return $this->_locale;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Set the locales which are accepted
|
||
|
*
|
||
|
* @param string|array|Zend_Locale $locale
|
||
|
* @throws Zend_Filter_Exception
|
||
|
* @return Zend_Filter_Boolean
|
||
|
*/
|
||
|
public function setLocale($locale = null)
|
||
|
{
|
||
|
if (is_string($locale)) {
|
||
|
$locale = array($locale);
|
||
|
} elseif ($locale instanceof Zend_Locale) {
|
||
|
$locale = array($locale->toString());
|
||
|
} elseif (!is_array($locale)) {
|
||
|
require_once 'Zend/Filter/Exception.php';
|
||
|
throw new Zend_Filter_Exception('Locale has to be string, array or an instance of Zend_Locale');
|
||
|
}
|
||
|
|
||
|
require_once 'Zend/Locale.php';
|
||
|
foreach ($locale as $single) {
|
||
|
if (!Zend_Locale::isLocale($single)) {
|
||
|
require_once 'Zend/Filter/Exception.php';
|
||
|
throw new Zend_Filter_Exception("Unknown locale '$single'");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
$this->_locale = $locale;
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the casting option
|
||
|
*
|
||
|
* @return boolean
|
||
|
*/
|
||
|
public function getCasting()
|
||
|
{
|
||
|
return $this->_casting;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Set the working mode
|
||
|
*
|
||
|
* @param boolean $locale When true this filter works like cast
|
||
|
* When false it recognises only true and false
|
||
|
* and all other values are returned as is
|
||
|
* @throws Zend_Filter_Exception
|
||
|
* @return Zend_Filter_Boolean
|
||
|
*/
|
||
|
public function setCasting($casting = true)
|
||
|
{
|
||
|
$this->_casting = (boolean) $casting;
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Defined by Zend_Filter_Interface
|
||
|
*
|
||
|
* Returns a boolean representation of $value
|
||
|
*
|
||
|
* @param string $value
|
||
|
* @return string
|
||
|
*/
|
||
|
public function filter($value)
|
||
|
{
|
||
|
$type = $this->getType();
|
||
|
$casting = $this->getCasting();
|
||
|
|
||
|
// STRING YES (Localized)
|
||
|
if ($type >= self::YES) {
|
||
|
$type -= self::YES;
|
||
|
if (is_string($value)) {
|
||
|
require_once 'Zend/Locale.php';
|
||
|
$locales = $this->getLocale();
|
||
|
foreach ($locales as $locale) {
|
||
|
if ($this->_getLocalizedQuestion($value, false, $locale) === false) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if (!$casting && ($this->_getLocalizedQuestion($value, true, $locale) === true)) {
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// STRING FALSE ('false')
|
||
|
if ($type >= self::FALSE_STRING) {
|
||
|
$type -= self::FALSE_STRING;
|
||
|
if (is_string($value) && (strtolower($value) == 'false')) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if ((!$casting) && is_string($value) && (strtolower($value) == 'true')) {
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// NULL (null)
|
||
|
if ($type >= self::NULL) {
|
||
|
$type -= self::NULL;
|
||
|
if ($value === null) {
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// EMPTY_ARRAY (array())
|
||
|
if ($type >= self::EMPTY_ARRAY) {
|
||
|
$type -= self::EMPTY_ARRAY;
|
||
|
if (is_array($value) && ($value == array())) {
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// ZERO ('0')
|
||
|
if ($type >= self::ZERO) {
|
||
|
$type -= self::ZERO;
|
||
|
if (is_string($value) && ($value == '0')) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if ((!$casting) && (is_string($value)) && ($value == '1')) {
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// STRING ('')
|
||
|
if ($type >= self::STRING) {
|
||
|
$type -= self::STRING;
|
||
|
if (is_string($value) && ($value == '')) {
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// FLOAT (0.0)
|
||
|
if ($type >= self::FLOAT) {
|
||
|
$type -= self::FLOAT;
|
||
|
if (is_float($value) && ($value == 0.0)) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if ((!$casting) && is_float($value) && ($value == 1.0)) {
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// INTEGER (0)
|
||
|
if ($type >= self::INTEGER) {
|
||
|
$type -= self::INTEGER;
|
||
|
if (is_int($value) && ($value == 0)) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if ((!$casting) && is_int($value) && ($value == 1)) {
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// BOOLEAN (false)
|
||
|
if ($type >= self::BOOLEAN) {
|
||
|
$type -= self::BOOLEAN;
|
||
|
if (is_bool($value)) {
|
||
|
return $value;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if ($casting) {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
return $value;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Determine the value of a localized string, and compare it to a given value
|
||
|
*
|
||
|
* @param string $value
|
||
|
* @param boolean $yes
|
||
|
* @param array $locale
|
||
|
* @return boolean
|
||
|
*/
|
||
|
protected function _getLocalizedQuestion($value, $yes, $locale)
|
||
|
{
|
||
|
if ($yes == true) {
|
||
|
$question = 'yes';
|
||
|
$return = true;
|
||
|
} else {
|
||
|
$question = 'no';
|
||
|
$return = false;
|
||
|
}
|
||
|
$str = Zend_Locale::getTranslation($question, 'question', $locale);
|
||
|
$str = explode(':', $str);
|
||
|
if (!empty($str)) {
|
||
|
foreach($str as $no) {
|
||
|
if (($no == $value) || (strtolower($no) == strtolower($value))) {
|
||
|
return $return;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|