DigitReadResult.php
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<?php
/**
* This decorated result adds the functionality to check for user input. We
* need a distinction between a single digit read (this class) and a data read
* (DataReadResult) because asterisk sends the ascii number for the character
* read (the first case) and the literal string in the latter.
*
* PHP Version 5
*
* @category Pagi
* @package Client
* @subpackage Result
* @author Marcelo Gornstein <[email protected]>
* @license http://marcelog.github.com/PAGI/ Apache License 2.0
* @version SVN: $Id$
* @link http://marcelog.github.com/PAGI/
*
* Copyright 2011 Marcelo Gornstein <[email protected]>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
namespace PAGI\Client\Result;
use PAGI\Exception\ChannelDownException;
/**
* This decorated result adds the functionality to check for user input. We
* need a distinction between a single digit read (this class) and a data read
* (DataReadResult) because asterisk sends the ascii number for the character
* read (the first case) and the literal string in the latter.
*
* PHP Version 5
*
* @category Pagi
* @package Client
* @subpackage Result
* @author Marcelo Gornstein <[email protected]>
* @license http://marcelog.github.com/PAGI/ Apache License 2.0
* @link http://marcelog.github.com/PAGI/
*/
class DigitReadResult extends ResultDecorator implements IReadResult
{
/**
* Digits read (if any).
* @var string
*/
protected $digits;
/**
* Timeout?
* @var boolean
*/
protected $timeout;
/**
* (non-PHPdoc)
* @see PAGI\Client\Result.IReadResult::isTimeout()
*/
public function isTimeout()
{
return $this->timeout;
}
/**
* (non-PHPdoc)
* @see PAGI\Client\Result.IReadResult::getDigits()
*/
public function getDigits()
{
return $this->digits;
}
/**
* (non-PHPdoc)
* @see PAGI\Client\Result.IReadResult::getDigitsCount()
*/
public function getDigitsCount()
{
return strlen($this->digits);
}
/**
* Constructor.
*
* @param IResult $result Result to decorate.
*
* @return void
*/
public function __construct(IResult $result)
{
parent::__construct($result);
$this->digits = false;
$this->timeout = false;
$result = $result->getResult();
switch ($result) {
case -1:
throw new ChannelDownException();
break;
case 0:
$this->timeout = true;
break;
default:
$this->digits = chr(intval($result));
break;
}
}
}