/* * Copyright (C) 2018 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 __NOGROD_LEB128_DECODER_ #define __NOGROD_LEB128_DECODER_ #include #include #include "berberis/base/macros.h" namespace nogrod { class Leb128Decoder { public: Leb128Decoder(const uint8_t* buffer, size_t size); // Returns number of bytes it took do decode the value, 0 if decode has failed. size_t Decode(size_t offset, uint64_t* result) const; private: const uint8_t* buffer_; size_t size_; DISALLOW_IMPLICIT_CONSTRUCTORS(Leb128Decoder); }; size_t DecodeLeb128(const uint8_t* buffer, uint64_t size, uint64_t* result); size_t DecodeSleb128(const uint8_t* buffer, uint64_t size, int64_t* result); } // namespace nogrod #endif // __NOGROD_LEB128_DECODER_