serializable.h

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#ifndef DYSCO_SERIALIZABLE_H
#define DYSCO_SERIALIZABLE_H
 
#include <complex>
#include <iostream>
 
#include <stdint.h>
 
class Serializable {
 public:
  virtual ~Serializable() {}
  virtual void Serialize(std::ostream &stream) const = 0;
  virtual void Unserialize(std::istream &stream) = 0;
 
  template <typename T>
  static void SerializeToUInt64(std::ostream &stream, T value) {
    uint64_t val64t = value;
    stream.write(reinterpret_cast<char *>(&val64t), sizeof(val64t));
  }
 
  template <typename T>
  static void SerializeToUInt32(std::ostream &stream, T value) {
    uint32_t val32t = value;
    stream.write(reinterpret_cast<char *>(&val32t), sizeof(val32t));
  }
 
  template <typename T>
  static void SerializeToUInt16(std::ostream &stream, T value) {
    uint16_t val16t = value;
    stream.write(reinterpret_cast<char *>(&val16t), sizeof(val16t));
  }
 
  template <typename T>
  static void SerializeToUInt8(std::ostream &stream, T value) {
    uint8_t val8t = value;
    stream.write(reinterpret_cast<char *>(&val8t), sizeof(val8t));
  }
 
  static void SerializeToBool8(std::ostream &stream, bool value) {
    uint8_t val8t = value;
    stream.write(reinterpret_cast<char *>(&val8t), sizeof(val8t));
  }
 
  static void SerializeToFloat(std::ostream &stream, float value) {
    stream.write(reinterpret_cast<char *>(&value), sizeof(value));
  }
 
  static void SerializeToDouble(std::ostream &stream, double value) {
    stream.write(reinterpret_cast<char *>(&value), sizeof(value));
  }
 
  static void SerializeToLDouble(std::ostream &stream, long double value) {
    stream.write(reinterpret_cast<char *>(&value), sizeof(value));
  }
 
  static void SerializeToLDoubleC(std::ostream &stream,
                                  std::complex<long double> value) {
    stream.write(reinterpret_cast<char *>(&value), sizeof(value));
  }
 
  static void SerializeToString(std::ostream &stream, const std::string &str) {
    SerializeToUInt64(stream, str.size());
    stream.write(str.c_str(), str.size());
  }
 
  static void SerializeTo32bString(std::ostream &stream,
                                   const std::string &str) {
    SerializeToUInt32(stream, str.size());
    stream.write(str.c_str(), str.size());
  }
 
  static uint64_t UnserializeUInt64(std::istream &stream) {
    return Unserialize<uint64_t>(stream);
  }
 
  static uint32_t UnserializeUInt32(std::istream &stream) {
    return Unserialize<uint32_t>(stream);
  }
 
  static uint16_t UnserializeUInt16(std::istream &stream) {
    return Unserialize<uint16_t>(stream);
  }
 
  static uint8_t UnserializeUInt8(std::istream &stream) {
    return Unserialize<uint8_t>(stream);
  }
 
  static bool UnserializeBool8(std::istream &stream) {
    return (bool)Unserialize<uint8_t>(stream);
  }
 
  static double UnserializeFloat(std::istream &stream) {
    return Unserialize<float>(stream);
  }
 
  static double UnserializeDouble(std::istream &stream) {
    return Unserialize<double>(stream);
  }
 
  static long double UnserializeLDouble(std::istream &stream) {
    return Unserialize<long double>(stream);
  }
 
  static std::complex<long double> UnserializeLDoubleC(std::istream &stream) {
    return Unserialize<std::complex<long double>>(stream);
  }
 
  static void UnserializeString(std::istream &stream, std::string &destStr) {
    size_t size = UnserializeUInt64(stream);
    char *str = new char[size];
    stream.read(str, size);
    destStr = std::string(str, size);
    delete[] str;
  }
 
  static void Unserialize32bString(std::istream &stream, std::string &destStr) {
    size_t size = UnserializeUInt32(stream);
    char *str = new char[size];
    stream.read(str, size);
    destStr = std::string(str, size);
    delete[] str;
  }
 
 private:
  template <typename T>
  static T Unserialize(std::istream &stream) {
    T val;
    stream.read(reinterpret_cast<char *>(&val), sizeof(val));
    return val;
  }
};
 
#endif