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<?php |
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/** |
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* This file is part of the PHP Generics package. |
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* |
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* @package Generics |
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*/ |
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namespace Generics\Streams; |
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use Generics\Streams\Interceptor\StreamInterceptor; |
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use Countable; |
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/** |
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* This class provides a stream for standard output |
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* |
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* @author Maik Greubel <[email protected]> |
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*/ |
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class StandardOutputStream implements OutputStream |
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{ |
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/** |
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* Interceptor |
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* |
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* @var StreamInterceptor |
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*/ |
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private $interceptor; |
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/** |
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* The standard out channel |
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* |
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* @var resource |
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*/ |
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private $stdout; |
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/** |
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* Create a new instance of StandardOutputStream |
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*/ |
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public function __construct() |
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{ |
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$this->open(); |
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} |
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/** |
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* Opens a new standard output channel |
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*/ |
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private function open() |
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{ |
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$this->stdout = fopen("php://stdout", "w"); |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Generics\Streams\Stream::isOpen() |
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*/ |
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public function isOpen(): bool |
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{ |
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return is_resource($this->stdout); |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Generics\Streams\OutputStream::flush() |
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*/ |
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public function flush() |
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{ |
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if ($this->isOpen()) { |
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fflush($this->stdout); |
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} |
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if ($this->interceptor instanceof StreamInterceptor) { |
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$this->interceptor->reset(); |
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} |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Generics\Streams\Stream::ready() |
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*/ |
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public function ready(): bool |
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{ |
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return $this->isOpen(); |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see Countable::count() |
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*/ |
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public function count() |
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{ |
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return 0; |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Generics\Resettable::reset() |
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*/ |
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public function reset() |
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{ |
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$this->close(); |
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$this->open(); |
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if ($this->interceptor instanceof StreamInterceptor) { |
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$this->interceptor->reset(); |
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$this->setInterceptor($this->interceptor); |
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} |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Generics\Streams\OutputStream::write() |
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*/ |
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public function write($buffer) |
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{ |
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if ($this->isWriteable()) { |
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fwrite($this->stdout, $buffer); |
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} |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Generics\Streams\Stream::close() |
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*/ |
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public function close() |
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{ |
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if ($this->isOpen()) { |
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fclose($this->stdout); |
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$this->stdout = null; |
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} |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Generics\Streams\OutputStream::isWriteable() |
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*/ |
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1 |
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public function isWriteable(): bool |
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{ |
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1 |
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return $this->isOpen(); |
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} |
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/** |
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147
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* Apply a stream interceptor |
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* |
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149
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* @param StreamInterceptor $interceptor |
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*/ |
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1 |
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public function setInterceptor(StreamInterceptor $interceptor) |
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{ |
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$this->interceptor = $interceptor; |
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stream_filter_append($this->stdout, $interceptor->getFilterName()); |
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} |
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} |
maikgreubel /
phpgenerics
