284 Zeilen
7,8 KiB
PHP
284 Zeilen
7,8 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Validate_Abstract
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*/
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require_once 'Zend/Validate/Abstract.php';
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/**
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* Validator for counting all given files
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Validate_File_Count extends Zend_Validate_Abstract
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{
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/**#@+
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* @const string Error constants
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*/
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const TOO_MANY = 'fileCountTooMany';
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const TOO_FEW = 'fileCountTooFew';
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/**#@-*/
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/**
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* @var array Error message templates
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*/
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protected $_messageTemplates = array(
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self::TOO_MANY => "Too many files, maximum '%max%' are allowed but '%count%' are given",
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self::TOO_FEW => "Too few files, minimum '%min%' are expected but '%count%' are given",
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);
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/**
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* @var array Error message template variables
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*/
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protected $_messageVariables = array(
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'min' => '_min',
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'max' => '_max',
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'count' => '_count'
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);
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/**
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* Minimum file count
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*
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* If null, there is no minimum file count
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*
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* @var integer
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*/
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protected $_min;
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/**
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* Maximum file count
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*
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* If null, there is no maximum file count
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*
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* @var integer|null
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*/
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protected $_max;
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/**
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* Actual filecount
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*
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* @var integer
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*/
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protected $_count;
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/**
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* Internal file array
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* @var array
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*/
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protected $_files;
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/**
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* Sets validator options
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*
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* Min limits the file count, when used with max=null it is the maximum file count
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* It also accepts an array with the keys 'min' and 'max'
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*
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* If $options is a integer, it will be used as maximum file count
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* As Array is accepts the following keys:
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* 'min': Minimum filecount
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* 'max': Maximum filecount
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*
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* @param integer|array|Zend_Config $options Options for the adapter
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* @return void
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*/
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public function __construct($options)
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{
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if ($options instanceof Zend_Config) {
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$options = $options->toArray();
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} elseif (is_string($options) || is_numeric($options)) {
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$options = array('max' => $options);
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} elseif (!is_array($options)) {
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require_once 'Zend/Validate/Exception.php';
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throw new Zend_Validate_Exception ('Invalid options to validator provided');
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}
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if (1 < func_num_args()) {
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$options['min'] = func_get_arg(0);
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$options['max'] = func_get_arg(1);
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}
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if (isset($options['min'])) {
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$this->setMin($options);
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}
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if (isset($options['max'])) {
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$this->setMax($options);
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}
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}
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/**
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* Returns the minimum file count
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*
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* @return integer
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*/
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public function getMin()
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{
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return $this->_min;
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}
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/**
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* Sets the minimum file count
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*
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* @param integer|array $min The minimum file count
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* @return Zend_Validate_File_Count Provides a fluent interface
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* @throws Zend_Validate_Exception When min is greater than max
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*/
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public function setMin($min)
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{
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if (is_array($min) and isset($min['min'])) {
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$min = $min['min'];
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}
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if (!is_string($min) and !is_numeric($min)) {
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require_once 'Zend/Validate/Exception.php';
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throw new Zend_Validate_Exception ('Invalid options to validator provided');
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}
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$min = (integer) $min;
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if (($this->_max !== null) && ($min > $this->_max)) {
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require_once 'Zend/Validate/Exception.php';
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throw new Zend_Validate_Exception("The minimum must be less than or equal to the maximum file count, but $min >"
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. " {$this->_max}");
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}
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$this->_min = $min;
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return $this;
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}
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/**
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* Returns the maximum file count
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*
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* @return integer
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*/
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public function getMax()
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{
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return $this->_max;
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}
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/**
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* Sets the maximum file count
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*
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* @param integer|array $max The maximum file count
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* @return Zend_Validate_StringLength Provides a fluent interface
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* @throws Zend_Validate_Exception When max is smaller than min
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*/
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public function setMax($max)
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{
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if (is_array($max) and isset($max['max'])) {
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$max = $max['max'];
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}
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if (!is_string($max) and !is_numeric($max)) {
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require_once 'Zend/Validate/Exception.php';
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throw new Zend_Validate_Exception ('Invalid options to validator provided');
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}
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$max = (integer) $max;
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if (($this->_min !== null) && ($max < $this->_min)) {
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require_once 'Zend/Validate/Exception.php';
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throw new Zend_Validate_Exception("The maximum must be greater than or equal to the minimum file count, but "
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. "$max < {$this->_min}");
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}
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$this->_max = $max;
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return $this;
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}
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/**
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* Adds a file for validation
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*
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* @param string|array $file
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*/
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public function addFile($file)
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{
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if (is_string($file)) {
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$file = array($file);
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}
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if (is_array($file)) {
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foreach ($file as $name) {
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if (!isset($this->_files[$name]) && !empty($name)) {
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$this->_files[$name] = $name;
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}
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}
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}
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return $this;
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}
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/**
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* Defined by Zend_Validate_Interface
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*
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* Returns true if and only if the file count of all checked files is at least min and
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* not bigger than max (when max is not null). Attention: When checking with set min you
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* must give all files with the first call, otherwise you will get an false.
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*
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* @param string|array $value Filenames to check for count
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* @param array $file File data from Zend_File_Transfer
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* @return boolean
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*/
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public function isValid($value, $file = null)
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{
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if (($file !== null) && !array_key_exists('destination', $file)) {
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$file['destination'] = dirname($value);
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}
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if (($file !== null) && array_key_exists('tmp_name', $file)) {
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$value = $file['destination'] . DIRECTORY_SEPARATOR . $file['name'];
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}
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if (($file === null) || !empty($file['tmp_name'])) {
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$this->addFile($value);
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}
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$this->_count = count($this->_files);
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if (($this->_max !== null) && ($this->_count > $this->_max)) {
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return $this->_throw($file, self::TOO_MANY);
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}
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if (($this->_min !== null) && ($this->_count < $this->_min)) {
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return $this->_throw($file, self::TOO_FEW);
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}
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return true;
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}
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/**
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* Throws an error of the given type
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*
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* @param string $file
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* @param string $errorType
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* @return false
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*/
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protected function _throw($file, $errorType)
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{
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if ($file !== null) {
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$this->_value = $file['name'];
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}
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$this->_error($errorType);
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return false;
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}
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}
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