| /* |
| * Copyright (C) 2013, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef LATINIME_FORMAT_UTILS_H |
| #define LATINIME_FORMAT_UTILS_H |
| |
| #include <stdint.h> |
| |
| #include "defines.h" |
| |
| namespace latinime { |
| |
| /** |
| * Methods to handle binary dictionary format version. |
| */ |
| class FormatUtils { |
| public: |
| enum FORMAT_VERSION { |
| VERSION_2, |
| VERSION_3, |
| UNKNOWN_VERSION |
| }; |
| |
| // 32 bit magic number is stored at the beginning of the dictionary header to reject |
| // unsupported or obsolete dictionary formats. |
| static const uint32_t MAGIC_NUMBER; |
| |
| static FORMAT_VERSION detectFormatVersion(const uint8_t *const dict, const int dictSize); |
| |
| private: |
| DISALLOW_IMPLICIT_CONSTRUCTORS(FormatUtils); |
| |
| static const int DICTIONARY_MINIMUM_SIZE; |
| }; |
| } // namespace latinime |
| #endif /* LATINIME_FORMAT_UTILS_H */ |