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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) 2005-2008 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) 2005-2008 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_MUCH = 'fileCountTooMuch';
+ const TOO_LESS = 'fileCountTooLess';
+ /**#@-*/
+
+ /**
+ * @var array Error message templates
+ */
+ protected $_messageTemplates = array(
+ self::TOO_MUCH => "Too much files, maximum '%max%' are allowed but '%count%' are given",
+ self::TOO_LESS => "Too less 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 $options Options for the adapter
+ * @param integer $max (Deprecated) Maximum value (implies $options is the minimum)
+ * @return void
+ */
+ public function __construct($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()) {
+ trigger_error('Multiple arguments are deprecated in favor of an array of named arguments', E_USER_NOTICE);
+ $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])) {
+ $this->_files[$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)
+ {
+ $this->addFile($value);
+ $this->_count = count($this->_files);
+ if (($this->_max !== null) && ($this->_count > $this->_max)) {
+ return $this->_throw($file, self::TOO_MUCH);
+ }
+
+ if (($this->_min !== null) && ($this->_count < $this->_min)) {
+ return $this->_throw($file, self::TOO_LESS);
+ }
+
+ 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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