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// Copyright 2022 The PDFium Authors
// 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_READ_ONLY_SPAN_STREAM_H_
#define CORE_FXCRT_CFX_READ_ONLY_SPAN_STREAM_H_
#include "core/fxcrt/fx_stream.h"
#include "core/fxcrt/raw_span.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/span.h"
class CFX_ReadOnlySpanStream final : public IFX_SeekableReadStream {
public:
CONSTRUCT_VIA_MAKE_RETAIN;
// IFX_SeekableReadStream:
FX_FILESIZE GetSize() override;
bool ReadBlockAtOffset(pdfium::span<uint8_t> buffer,
FX_FILESIZE offset) override;
private:
explicit CFX_ReadOnlySpanStream(pdfium::span<const uint8_t> span);
~CFX_ReadOnlySpanStream() override;
const pdfium::raw_span<const uint8_t> span_;
};
#endif // CORE_FXCRT_CFX_READ_ONLY_SPAN_STREAM_H_