| // 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. |
| |
| #ifndef CORE_FXCRT_CFX_READ_ONLY_VECTOR_STREAM_H_ |
| #define CORE_FXCRT_CFX_READ_ONLY_VECTOR_STREAM_H_ |
| |
| #include <stdint.h> |
| |
| #include "core/fxcrt/data_vector.h" |
| #include "core/fxcrt/fixed_size_data_vector.h" |
| #include "core/fxcrt/fx_stream.h" |
| #include "core/fxcrt/retain_ptr.h" |
| |
| class CFX_ReadOnlySpanStream; |
| |
| class CFX_ReadOnlyVectorStream 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_ReadOnlyVectorStream(DataVector<uint8_t> data); |
| explicit CFX_ReadOnlyVectorStream(FixedSizeDataVector<uint8_t> data); |
| ~CFX_ReadOnlyVectorStream() override; |
| |
| const DataVector<uint8_t> data_; |
| const FixedSizeDataVector<uint8_t> fixed_data_; |
| // Spans over either `data_` or `fixed_data_`. |
| const RetainPtr<CFX_ReadOnlySpanStream> stream_; |
| }; |
| |
| #endif // CORE_FXCRT_CFX_READ_ONLY_VECTOR_STREAM_H_ |