/**
* @see \Components\Io_Channel_Writable::write() \Components\Io_Channel_Writable::write()
*/
public function write(Io_Buffer $buffer_)
{
$offset = $buffer_->position();
if ($buffer_ instanceof Io_Buffer_String) {
if (false === @fwrite($this->m_pipe, (string) $buffer_)) {
throw new Io_Exception('io/pipe/sink', sprintf('Unable to write to pipe [%s].', $this));
}
$buffer_->position($buffer_->limit());
} else {
if (false === @fwrite($this->m_pipe, implode('', $buffer_->arrayValue()))) {
throw new Io_Exception('io/pipe/sink', sprintf('Unable to write to pipe [%s].', $this));
}
$buffer_->position($buffer_->limit());
}
return $buffer_->position() - $offset;
}
/**
* @see \Components\Io_Channel_Readable::read() \Components\Io_Channel_Readable::read()
*/
public function read(Io_Buffer $buffer_, $interrupt_ = null)
{
$offset = $buffer_->position();
if ($buffer_ instanceof Io_Buffer_String) {
// TODO Implement $interrupt_.
while ($buffer_->limit() > $buffer_->position()) {
if (false === ($read = @fread($this->m_pipe, $buffer_->limit()))) {
throw new Io_Exception('io/pipe/source', sprintf('Unable to read from pipe [%s].', $this));
}
$buffer_->append($read);
}
} else {
while ($buffer_->limit() > $buffer_->position()) {
if (false === ($read = @fread($this->m_pipe, 1))) {
throw new Io_Exception('io/pipe/source', sprintf('Unable to read from pipe [%s].', $this));
}
$buffer_->append($read = ord($read));
if ($interrupt_ === $read) {
break;
}
}
}
return $buffer_->position() - $offset;
}
/**
* @see \Components\Io_Buffer::appendBuffer() \Components\Io_Buffer::appendBuffer()
*
* @return \Components\Io_Buffer_Byte
*/
public function appendBuffer(Io_Buffer $source_)
{
$remaining = min($this->remaining(), $source_->remaining());
for ($i = 0; $i < $remaining; $i++) {
$this->append($source_->next());
}
return $this;
}
