/* Copyright 2015 OpenMarket Ltd * * 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 OLM_PICKLE_HH_ #define OLM_PICKLE_HH_ #include "olm/list.hh" #include "olm/crypto.h" #include <cstring> #include <cstdint> namespace olm { inline std::size_t pickle_length( const std::uint32_t & value ) { return 4; } std::uint8_t * pickle( std::uint8_t * pos, std::uint32_t value ); std::uint8_t const * unpickle( std::uint8_t const * pos, std::uint8_t const * end, std::uint32_t & value ); inline std::size_t pickle_length( const bool & value ) { return 1; } std::uint8_t * pickle( std::uint8_t * pos, bool value ); std::uint8_t const * unpickle( std::uint8_t const * pos, std::uint8_t const * end, bool & value ); template<typename T, std::size_t max_size> std::size_t pickle_length( olm::List<T, max_size> const & list ) { std::size_t length = pickle_length(std::uint32_t(list.size())); for (auto const & value : list) { length += pickle_length(value); } return length; } template<typename T, std::size_t max_size> std::uint8_t * pickle( std::uint8_t * pos, olm::List<T, max_size> const & list ) { pos = pickle(pos, std::uint32_t(list.size())); for (auto const & value : list) { pos = pickle(pos, value); } return pos; } template<typename T, std::size_t max_size> std::uint8_t const * unpickle( std::uint8_t const * pos, std::uint8_t const * end, olm::List<T, max_size> & list ) { std::uint32_t size; pos = unpickle(pos, end, size); while (size-- && pos != end) { T * value = list.insert(list.end()); pos = unpickle(pos, end, *value); } return pos; } std::uint8_t * pickle_bytes( std::uint8_t * pos, std::uint8_t const * bytes, std::size_t bytes_length ); std::uint8_t const * unpickle_bytes( std::uint8_t const * pos, std::uint8_t const * end, std::uint8_t * bytes, std::size_t bytes_length ); std::size_t pickle_length( const _olm_curve25519_public_key & value ); std::uint8_t * pickle( std::uint8_t * pos, const _olm_curve25519_public_key & value ); std::uint8_t const * unpickle( std::uint8_t const * pos, std::uint8_t const * end, _olm_curve25519_public_key & value ); std::size_t pickle_length( const _olm_curve25519_key_pair & value ); std::uint8_t * pickle( std::uint8_t * pos, const _olm_curve25519_key_pair & value ); std::uint8_t const * unpickle( std::uint8_t const * pos, std::uint8_t const * end, _olm_curve25519_key_pair & value ); } // namespace olm #endif /* OLM_PICKLE_HH */