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<?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';
/**
* Validator for counting all given files
*
* @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_File_Count extends Zend_Validate_Abstract
{
/**#@+
* @const string Error constants
*/
const TOO_MANY = 'fileCountTooMany';
const TOO_FEW = 'fileCountTooFew';
/**#@-*/
/**
* @var array Error message templates
*/
protected $_messageTemplates = array(
self::TOO_MANY => "Too many files, maximum '%max%' are allowed but '%count%' are given",
self::TOO_FEW => "Too few files, minimum '%min%' are expected but '%count%' are given",
);
/**
* @var array Error message template variables
*/
protected $_messageVariables = array(
'min' => '_min',
'max' => '_max',
'count' => '_count'
);
/**
* Minimum file count
*
* If null, there is no minimum file count
*
* @var integer
*/
protected $_min;
/**
* Maximum file count
*
* If null, there is no maximum file count
*
* @var integer|null
*/
protected $_max;
/**
* Actual filecount
*
* @var integer
*/
protected $_count;
/**
* Internal file array
* @var array
*/
protected $_files;
/**
* Sets validator options
*
* Min limits the file count, when used with max=null it is the maximum file count
* It also accepts an array with the keys 'min' and 'max'
*
* If $options is a integer, it will be used as maximum file count
* As Array is accepts the following keys:
* 'min': Minimum filecount
* 'max': Maximum filecount
*
* @param integer|array|Zend_Config $options Options for the adapter
* @return void
*/
public function __construct($options)
{
if ($options instanceof Zend_Config) {
$options = $options->toArray();
} elseif (is_string($options) || is_numeric($options)) {
$options = array('max' => $options);
} elseif (!is_array($options)) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception ('Invalid options to validator provided');
}
if (1 < func_num_args()) {
$options['min'] = func_get_arg(0);
$options['max'] = func_get_arg(1);
}
if (isset($options['min'])) {
$this->setMin($options);
}
if (isset($options['max'])) {
$this->setMax($options);
}
}
/**
* Returns the minimum file count
*
* @return integer
*/
public function getMin()
{
return $this->_min;
}
/**
* Sets the minimum file count
*
* @param integer|array $min The minimum file count
* @return Zend_Validate_File_Count Provides a fluent interface
* @throws Zend_Validate_Exception When min is greater than max
*/
public function setMin($min)
{
if (is_array($min) and isset($min['min'])) {
$min = $min['min'];
}
if (!is_string($min) and !is_numeric($min)) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception ('Invalid options to validator provided');
}
$min = (integer) $min;
if (($this->_max !== null) && ($min > $this->_max)) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception("The minimum must be less than or equal to the maximum file count, but $min >"
. " {$this->_max}");
}
$this->_min = $min;
return $this;
}
/**
* Returns the maximum file count
*
* @return integer
*/
public function getMax()
{
return $this->_max;
}
/**
* Sets the maximum file count
*
* @param integer|array $max The maximum file count
* @return Zend_Validate_StringLength Provides a fluent interface
* @throws Zend_Validate_Exception When max is smaller than min
*/
public function setMax($max)
{
if (is_array($max) and isset($max['max'])) {
$max = $max['max'];
}
if (!is_string($max) and !is_numeric($max)) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception ('Invalid options to validator provided');
}
$max = (integer) $max;
if (($this->_min !== null) && ($max < $this->_min)) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception("The maximum must be greater than or equal to the minimum file count, but "
. "$max < {$this->_min}");
}
$this->_max = $max;
return $this;
}
/**
* Adds a file for validation
*
* @param string|array $file
*/
public function addFile($file)
{
if (is_string($file)) {
$file = array($file);
}
if (is_array($file)) {
foreach ($file as $name) {
if (!isset($this->_files[$name]) && !empty($name)) {
$this->_files[$name] = $name;
}
}
}
return $this;
}
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if the file count of all checked files is at least min and
* not bigger than max (when max is not null). Attention: When checking with set min you
* must give all files with the first call, otherwise you will get an false.
*
* @param string|array $value Filenames to check for count
* @param array $file File data from Zend_File_Transfer
* @return boolean
*/
public function isValid($value, $file = null)
{
if (($file !== null) && !array_key_exists('destination', $file)) {
$file['destination'] = dirname($value);
}
if (($file !== null) && array_key_exists('tmp_name', $file)) {
$value = $file['destination'] . DIRECTORY_SEPARATOR . $file['name'];
}
if (($file === null) || !empty($file['tmp_name'])) {
$this->addFile($value);
}
$this->_count = count($this->_files);
if (($this->_max !== null) && ($this->_count > $this->_max)) {
return $this->_throw($file, self::TOO_MANY);
}
if (($this->_min !== null) && ($this->_count < $this->_min)) {
return $this->_throw($file, self::TOO_FEW);
}
return true;
}
/**
* Throws an error of the given type
*
* @param string $file
* @param string $errorType
* @return false
*/
protected function _throw($file, $errorType)
{
if ($file !== null) {
$this->_value = $file['name'];
}
$this->_error($errorType);
return false;
}
}
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