243 lines
5.4 KiB
C++
243 lines
5.4 KiB
C++
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// Copyright (c) 2012-2014, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Bytecoin is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#include "BinaryInputStreamSerializer.h"
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#include "SerializationOverloads.h"
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#include <algorithm>
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#include <cassert>
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#include <stdexcept>
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namespace {
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void deserialize(std::istream& stream, uint8_t& v) {
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char c;
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stream.get(c);
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v = static_cast<uint8_t>(c);
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}
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void deserialize(std::istream& stream, int8_t& v) {
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uint8_t val;
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deserialize(stream, val);
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v = val;
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}
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void deserialize(std::istream& stream, bool& v) {
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uint8_t val;
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deserialize(stream, val);
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v = val;
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}
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void deserialize(std::istream& stream, uint32_t& v) {
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char c;
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stream.get(c);
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v = static_cast<uint8_t>(c);
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stream.get(c);
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v += static_cast<uint8_t>(c) << 8;
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stream.get(c);
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v += static_cast<uint8_t>(c) << 16;
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stream.get(c);
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v += static_cast<uint8_t>(c) << 24;
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}
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void deserialize(std::istream& stream, int32_t& v) {
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uint32_t val;
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deserialize(stream, val);
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v = val;
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}
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void deserialize(std::istream& stream, uint64_t& v) {
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char c;
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uint64_t uc;
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stream.get(c);
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uc = static_cast<unsigned char>(c);
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v = uc;
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stream.get(c);
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uc = static_cast<unsigned char>(c);
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v += (uc << 8);
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stream.get(c);
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uc = static_cast<unsigned char>(c);
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v += (uc << 16);
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stream.get(c);
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uc = static_cast<unsigned char>(c);
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v += (uc << 24);
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stream.get(c);
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uc = static_cast<unsigned char>(c);
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v += (uc << 32);
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stream.get(c);
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uc = static_cast<unsigned char>(c);
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v += (uc << 40);
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stream.get(c);
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uc = static_cast<unsigned char>(c);
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v += (uc << 48);
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stream.get(c);
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uc = static_cast<unsigned char>(c);
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v += (uc << 56);
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}
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void deserialize(std::istream& stream, int64_t& v) {
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uint64_t val;
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deserialize(stream, val);
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v = val;
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}
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void deserialize(std::istream& stream, char* buf, size_t len) {
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const size_t chunk = 1000;
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// stream.read(buf, len);
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// looks redundant, but i had a bug with it
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while (len && stream) {
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size_t toRead = std::min(len, chunk);
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stream.read(buf, toRead);
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len -= toRead;
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buf += toRead;
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}
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}
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}
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namespace cryptonote {
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ISerializer::SerializerType BinaryInputStreamSerializer::type() const {
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return ISerializer::INPUT;
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}
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ISerializer& BinaryInputStreamSerializer::beginObject(const std::string& name) {
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::endObject() {
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::beginArray(std::size_t& size, const std::string& name) {
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uint64_t val;
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serializeVarint(val, name, *this);
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size = val;
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::endArray() {
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::operator()(uint8_t& value, const std::string& name) {
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deserialize(stream, value);
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::operator()(uint32_t& value, const std::string& name) {
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deserialize(stream, value);
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::operator()(int32_t& value, const std::string& name) {
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uint32_t v;
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operator()(v, name);
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value = v;
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::operator()(int64_t& value, const std::string& name) {
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deserialize(stream, value);
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::operator()(uint64_t& value, const std::string& name) {
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deserialize(stream, value);
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::operator()(bool& value, const std::string& name) {
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deserialize(stream, value);
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::operator()(std::string& value, const std::string& name) {
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uint64_t size;
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serializeVarint(size, name, *this);
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std::vector<char> temp;
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temp.resize(size);
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deserialize(stream, &temp[0], size);
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value.reserve(size);
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value.assign(&temp[0], size);
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::operator()(char* value, std::size_t size, const std::string& name) {
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stream.read(value, size);
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::tag(const std::string& name) {
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::untagged(uint8_t& value) {
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char v;
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stream.get(v);
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value = v;
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return *this;
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}
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ISerializer& BinaryInputStreamSerializer::endTag() {
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return *this;
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}
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bool BinaryInputStreamSerializer::hasObject(const std::string& name) {
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assert(false); //the method is not supported for this type of serialization
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throw std::runtime_error("hasObject method is not supported in BinaryInputStreamSerializer");
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return false;
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}
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ISerializer& BinaryInputStreamSerializer::operator()(double& value, const std::string& name) {
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assert(false); //the method is not supported for this type of serialization
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throw std::runtime_error("double serialization is not supported in BinaryInputStreamSerializer");
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return *this;
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}
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}
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