danicoin/src/serialization/JsonInputValueSerializer.h

// 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/>.

#pragma once

#include "../Common/JsonValue.h"
#include "ISerializer.h"

namespace CryptoNote {

//deserialization
class JsonInputValueSerializer : public ISerializer {
public:
  JsonInputValueSerializer(const Common::JsonValue& value);
  virtual ~JsonInputValueSerializer();

  SerializerType type() const;

  virtual bool beginObject(Common::StringView name) override;
  virtual void endObject() override;

  virtual bool beginArray(std::size_t& size, Common::StringView name) override;
  virtual void endArray() override;

  virtual bool operator()(uint8_t& value, Common::StringView name) override;
  virtual bool operator()(int32_t& value, Common::StringView name) override;
  virtual bool operator()(uint32_t& value, Common::StringView name) override;
  virtual bool operator()(int64_t& value, Common::StringView name) override;
  virtual bool operator()(uint64_t& value, Common::StringView name) override;
  virtual bool operator()(double& value, Common::StringView name) override;
  virtual bool operator()(bool& value, Common::StringView name) override;
  virtual bool operator()(std::string& value, Common::StringView name) override;
  virtual bool binary(void* value, std::size_t size, Common::StringView name) override;
  virtual bool binary(std::string& value, Common::StringView name) override;

  template<typename T>
  bool operator()(T& value, Common::StringView name) {
    return ISerializer::operator()(value, name);
  }

private:
  const Common::JsonValue& root;
  std::vector<const Common::JsonValue*> chain;
  std::vector<size_t> idxs;

  const Common::JsonValue* getValue(Common::StringView name);

  template <typename T>
  bool getNumber(Common::StringView name, T& v) {
    auto ptr = getValue(name);

    if (!ptr) {
      return false;
    }

    v = static_cast<T>(ptr->getInteger());
    return true;
  }
};

}