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<?php
/*
* This file is part of the webmozart/console package.
*
* (c) Bernhard Schussek <bschussek@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Webmozart\Console\IO\OutputStream;
use Webmozart\Console\Api\IO\IOException;
use Webmozart\Console\Api\IO\OutputStream;
/**
* An output stream that writes to a buffer.
*
* @since 1.0
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class BufferedOutputStream implements OutputStream
{
/**
* @var string
*/
private $buffer = '';
/**
* @var bool
*/
private $closed = false;
/**
* Returns the contents of the buffer.
*
* @return string The buffered data.
*/
public function fetch()
{
return $this->buffer;
}
/**
* Clears the buffer.
*/
public function clear()
{
$this->buffer = '';
}
/**
* {@inheritdoc}
*/
public function write($string)
{
if ($this->closed) {
throw new IOException('Cannot read from a closed input.');
}
$this->buffer .= $string;
}
/**
* {@inheritdoc}
*/
public function flush()
{
if ($this->closed) {
throw new IOException('Cannot read from a closed input.');
}
}
/**
* {@inheritdoc}
*/
public function supportsAnsi()
{
return false;
}
/**
* {@inheritdoc}
*/
public function close()
{
$this->closed = true;
}
/**
* {@inheritdoc}
*/
public function isClosed()
{
return $this->closed;
}
}