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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCORESTREAMFILE_H
#define ROCKETCORESTREAMFILE_H
#include "Stream.h"
#include "Types.h"
namespace Rocket {
namespace Core {
/**
@author Peter Curry
*/
class StreamFile : public Stream
{
public:
StreamFile();
virtual ~StreamFile();
/// Attempts to open the stream pointing at a given location.
bool Open(const String& path);
/// Closes the stream.
virtual void Close();
/// Returns the size of this stream (in bytes).
virtual size_t Length() const;
/// Returns the position of the stream pointer (in bytes).
virtual size_t Tell() const;
/// Sets the stream position (in bytes).
virtual bool Seek(long offset, int origin) const;
/// Read from the stream.
virtual size_t Read(void* buffer, size_t bytes) const;
using Stream::Read;
/// Write to the stream at the current position.
virtual size_t Write(const void* buffer, size_t bytes);
using Stream::Write;
/// Truncate the stream to the specified length.
virtual size_t Truncate(size_t bytes);
/// Returns true if the stream is ready for reading, false otherwise.
virtual bool IsReadReady();
/// Returns false.
virtual bool IsWriteReady();
private:
// Determines the length of the stream.
void GetLength();
FileHandle file_handle;
size_t length;
};
}
}
#endif
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