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// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FXCRT_CFX_SEEKABLEMULTISTREAM_H_
#define CORE_FXCRT_CFX_SEEKABLEMULTISTREAM_H_
#include <vector>
#include "core/fxcrt/fx_stream.h"
#include "core/fxcrt/retain_ptr.h"
class CPDF_Stream;
class CPDF_StreamAcc;
class CFX_SeekableMultiStream : public IFX_SeekableStream {
public:
explicit CFX_SeekableMultiStream(const std::vector<CPDF_Stream*>& streams);
~CFX_SeekableMultiStream() override;
// IFX_SeekableReadStream
FX_FILESIZE GetPosition() override;
FX_FILESIZE GetSize() override;
bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override;
size_t ReadBlock(void* buffer, size_t size) override;
bool IsEOF() override;
bool Flush() override;
bool WriteBlock(const void* pData, FX_FILESIZE offset, size_t size) override;
private:
std::vector<RetainPtr<CPDF_StreamAcc>> m_Data;
};
#endif // CORE_FXCRT_CFX_SEEKABLEMULTISTREAM_H_
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