| 1 | // Aseprite Document IO Library |
| 2 | // Copyright (c) 2018 Igara Studio S.A. |
| 3 | // Copyright (c) 2017 David Capello |
| 4 | // |
| 5 | // This file is released under the terms of the MIT license. |
| 6 | // Read LICENSE.txt for more information. |
| 7 | |
| 8 | #ifndef DIO_DECODER_H_INCLUDED |
| 9 | #define DIO_DECODER_H_INCLUDED |
| 10 | #pragma once |
| 11 | |
| 12 | #include <cstdint> |
| 13 | #include <cstring> |
| 14 | |
| 15 | namespace doc { |
| 16 | class Document; |
| 17 | } |
| 18 | |
| 19 | namespace dio { |
| 20 | |
| 21 | class DecodeDelegate; |
| 22 | class FileInterface; |
| 23 | |
| 24 | class Decoder { |
| 25 | public: |
| 26 | Decoder(); |
| 27 | virtual ~Decoder(); |
| 28 | virtual void initialize(DecodeDelegate* delegate, FileInterface* f); |
| 29 | virtual bool decode() = 0; |
| 30 | |
| 31 | protected: |
| 32 | DecodeDelegate* delegate() { return m_delegate; } |
| 33 | FileInterface* f() { return m_f; } |
| 34 | |
| 35 | uint8_t read8(); |
| 36 | uint16_t read16(); |
| 37 | uint32_t read32(); |
| 38 | size_t readBytes(uint8_t* buf, size_t n); |
| 39 | |
| 40 | private: |
| 41 | DecodeDelegate* m_delegate; |
| 42 | FileInterface* m_f; |
| 43 | }; |
| 44 | |
| 45 | } // namespace dio |
| 46 | |
| 47 | #endif |
| 48 | |