<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license   http://framework.zend.com/license/new-bsd     New BSD License

 * @version   $Id: WordCount.php 22668 2010-07-25 14:50:46Z thomas $

 */

/**

 * @see Zend_Validate_File_Count

 */

require_once 'Zend/Validate/File/Count.php';

/**

 * Validator for counting all words in a file

 *

 * @category  Zend

 * @package   Zend_Validate

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license   http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Validate_File_WordCount extends Zend_Validate_File_Count

{

    /**#@+

     * @const string Error constants

     */

    const TOO_MUCH  = 'fileWordCountTooMuch';

    const TOO_LESS  = 'fileWordCountTooLess';

    const NOT_FOUND = 'fileWordCountNotFound';

    /**#@-*/

    /**

     * @var array Error message templates

     */

    protected $_messageTemplates = array(

        self::TOO_MUCH => "Too much words, maximum '%max%' are allowed but '%count%' were counted",

        self::TOO_LESS => "Too less words, minimum '%min%' are expected but '%count%' were counted",

        self::NOT_FOUND => "File '%value%' is not readable or does not exist",

    );

    /**

     * Defined by Zend_Validate_Interface

     *

     * Returns true if and only if the counted words are at least min and

     * not bigger than max (when max is not null).

     *

     * @param  string $value Filename to check for word count

     * @param  array  $file  File data from Zend_File_Transfer

     * @return boolean

     */

    public function isValid($value, $file = null)

    {

        // Is file readable ?

        require_once 'Zend/Loader.php';

        if (!Zend_Loader::isReadable($value)) {

            return $this->_throw($file, self::NOT_FOUND);

        }

        $content = file_get_contents($value);

        $this->_count = str_word_count($content);

        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;

    }

}