danicoin/src/serialization/JsonInputValueSerializer.cpp
2015-07-15 13:23:00 +01:00

164 lines
4.2 KiB
C++

// Copyright (c) 2012-2015, 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 "JsonInputValueSerializer.h"
#include <cassert>
#include <stdexcept>
#include <Common/StringTools.h>
using Common::JsonValue;
using namespace CryptoNote;
JsonInputValueSerializer::JsonInputValueSerializer(const Common::JsonValue& value) : root(value) {
chain.push_back(&root);
}
JsonInputValueSerializer::~JsonInputValueSerializer() {
}
ISerializer::SerializerType JsonInputValueSerializer::type() const {
return ISerializer::INPUT;
}
bool JsonInputValueSerializer::beginObject(Common::StringView name) {
const JsonValue* parent = chain.back();
if (parent->isArray()) {
const JsonValue& v = (*parent)[idxs.back()++];
chain.push_back(&v);
return true;
}
if (parent->contains(std::string(name))) {
const JsonValue& v = (*parent)(std::string(name));
chain.push_back(&v);
return true;
}
return false;
//if (parent->isArray()) {
// const JsonValue& v = (*parent)[idxs.back()++];
// chain.push_back(&v);
//} else {
// const JsonValue& v = (*parent)(name);
// chain.push_back(&v);
//}
}
void JsonInputValueSerializer::endObject() {
assert(!chain.empty());
chain.pop_back();
}
bool JsonInputValueSerializer::beginArray(std::size_t& size, Common::StringView name) {
const JsonValue* parent = chain.back();
std::string strName(name);
if (parent->contains(strName)) {
const JsonValue& arr = (*parent)(strName);
size = arr.size();
chain.push_back(&arr);
idxs.push_back(0);
return true;
}
size = 0;
return false;
}
void JsonInputValueSerializer::endArray() {
assert(!chain.empty());
assert(!idxs.empty());
chain.pop_back();
idxs.pop_back();
}
bool JsonInputValueSerializer::operator()(uint32_t& value, Common::StringView name) {
return getNumber(name, value);
}
bool JsonInputValueSerializer::operator()(int32_t& value, Common::StringView name) {
return getNumber(name, value);
}
bool JsonInputValueSerializer::operator()(int64_t& value, Common::StringView name) {
return getNumber(name, value);
}
bool JsonInputValueSerializer::operator()(uint64_t& value, Common::StringView name) {
return getNumber(name, value);
}
bool JsonInputValueSerializer::operator()(double& value, Common::StringView name) {
return getNumber(name, value);
}
bool JsonInputValueSerializer::operator()(uint8_t& value, Common::StringView name) {
return getNumber(name, value);
}
bool JsonInputValueSerializer::operator()(std::string& value, Common::StringView name) {
auto ptr = getValue(name);
if (!ptr) {
return false;
}
value = ptr->getString();
return true;
}
bool JsonInputValueSerializer::operator()(bool& value, Common::StringView name) {
auto ptr = getValue(name);
if (!ptr) {
return false;
}
value = ptr->getBool();
return true;
}
bool JsonInputValueSerializer::binary(void* value, std::size_t size, Common::StringView name) {
auto ptr = getValue(name);
if (ptr == nullptr) {
return false;
}
Common::fromHex(ptr->getString(), value, size);
return true;
}
bool JsonInputValueSerializer::binary(std::string& value, Common::StringView name) {
auto ptr = getValue(name);
if (ptr == nullptr) {
return false;
}
std::string valueHex = ptr->getString();
value = Common::asString(Common::fromHex(valueHex));
return true;
}
const JsonValue* JsonInputValueSerializer::getValue(Common::StringView name) {
const JsonValue& val = *chain.back();
if (val.isArray()) {
return &val[idxs.back()++];
}
std::string strName(name);
return val.contains(strName) ? &val(strName) : nullptr;
}