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