genesis-3d_engine/Engine/foundation/io/streamwriter.h
zhongdaohuan 6e8fbca745 genesis-3d engine version 1.3.
match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00

80 lines
2.7 KiB
Objective-C

/****************************************************************************
Copyright (c) 2006, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
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****************************************************************************/
#pragma once
//------------------------------------------------------------------------------
/**
@class IO::StreamWriter
Stream writer classes provide a specialized write-interface for a stream.
This is the abstract base class for all stream writers. It is possible
to attach any number of readers and writers to the same stream.
*/
#include "core/refcounted.h"
#include "core/ptr.h"
#include "io/stream.h"
//------------------------------------------------------------------------------
namespace IO
{
class StreamWriter : public Core::RefCounted
{
__DeclareClass(StreamWriter);
public:
/// constructor
StreamWriter();
/// destructor
virtual ~StreamWriter();
/// set stream to write to
void SetStream(const GPtr<Stream>& s);
/// get currently set stream
const GPtr<Stream>& GetStream() const;
/// return true if a stream is set
bool HasStream() const;
/// begin reading from the stream
virtual bool Open();
/// end reading from the stream
virtual void Close();
/// return true if currently open
bool IsOpen() const;
protected:
GPtr<Stream> stream;
bool isOpen;
bool streamWasOpen;
};
//------------------------------------------------------------------------------
/**
*/
inline
bool
StreamWriter::IsOpen() const
{
return this->isOpen;
}
} // namespace IO
//------------------------------------------------------------------------------