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BinaryInputStreamSerializer.cpp
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// Copyright (c) 2012-2017, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
#include "BinaryInputStreamSerializer.h"
#include <algorithm>
#include <cassert>
#include <stdexcept>
#include <Common/StreamTools.h>
#include "SerializationOverloads.h"
using namespace Common;
namespace CryptoNote {
namespace {
template<typename StorageType, typename T>
void readVarintAs(IInputStream& s, T &i) {
i = static_cast<T>(readVarint<StorageType>(s));
}
}
ISerializer::SerializerType BinaryInputStreamSerializer::type() const {
return ISerializer::INPUT;
}
bool BinaryInputStreamSerializer::beginObject(Common::StringView name) {
return true;
}
void BinaryInputStreamSerializer::endObject() {
}
bool BinaryInputStreamSerializer::beginArray(size_t& size, Common::StringView name) {
readVarintAs<uint64_t>(stream, size);
return true;
}
void BinaryInputStreamSerializer::endArray() {
}
bool BinaryInputStreamSerializer::operator()(uint8_t& value, Common::StringView name) {
readVarint(stream, value);
return true;
}
bool BinaryInputStreamSerializer::operator()(uint16_t& value, Common::StringView name) {
readVarint(stream, value);
return true;
}
bool BinaryInputStreamSerializer::operator()(int16_t& value, Common::StringView name) {
readVarintAs<uint16_t>(stream, value);
return true;
}
bool BinaryInputStreamSerializer::operator()(uint32_t& value, Common::StringView name) {
readVarint(stream, value);
return true;
}
bool BinaryInputStreamSerializer::operator()(int32_t& value, Common::StringView name) {
readVarintAs<uint32_t>(stream, value);
return true;
}
bool BinaryInputStreamSerializer::operator()(int64_t& value, Common::StringView name) {
readVarintAs<uint64_t>(stream, value);
return true;
}
bool BinaryInputStreamSerializer::operator()(uint64_t& value, Common::StringView name) {
readVarint(stream, value);
return true;
}
bool BinaryInputStreamSerializer::operator()(bool& value, Common::StringView name) {
value = read<uint8_t>(stream) != 0;
return true;
}
bool BinaryInputStreamSerializer::operator()(std::string& value, Common::StringView name) {
uint64_t size;
readVarint(stream, size);
if (size > 0) {
std::vector<char> temp;
temp.resize(size);
checkedRead(&temp[0], size);
value.reserve(size);
value.assign(&temp[0], size);
} else {
value.clear();
}
return true;
}
bool BinaryInputStreamSerializer::binary(void* value, size_t size, Common::StringView name) {
checkedRead(static_cast<char*>(value), size);
return true;
}
bool BinaryInputStreamSerializer::binary(std::string& value, Common::StringView name) {
return (*this)(value, name);
}
bool BinaryInputStreamSerializer::operator()(double& value, Common::StringView name) {
assert(false); //the method is not supported for this type of serialization
throw std::runtime_error("double serialization is not supported in BinaryInputStreamSerializer");
return false;
}
void BinaryInputStreamSerializer::checkedRead(char* buf, size_t size) {
read(stream, buf, size);
}
}