| // Copyright 2018 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_READONLYMEMORYSTREAM_H_ |
| #define CORE_FXCRT_CFX_READONLYMEMORYSTREAM_H_ |
| |
| #include "core/fxcrt/fx_stream.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "third_party/base/span.h" |
| |
| class CFX_ReadOnlyMemoryStream final : public IFX_SeekableReadStream { |
| public: |
| template <typename T, typename... Args> |
| friend RetainPtr<T> pdfium::MakeRetain(Args&&... args); |
| |
| // IFX_SeekableReadStream: |
| FX_FILESIZE GetSize() override; |
| bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override; |
| |
| private: |
| explicit CFX_ReadOnlyMemoryStream(pdfium::span<const uint8_t> span); |
| ~CFX_ReadOnlyMemoryStream() override; |
| |
| const pdfium::span<const uint8_t> m_span; |
| }; |
| |
| #endif // CORE_FXCRT_CFX_READONLYMEMORYSTREAM_H_ |