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Grid/lib/serialisation/BinaryIO.h

120 lines
3.5 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/serialisation/BinaryIO.h
Copyright (C) 2015
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef GRID_SERIALISATION_BINARY_READER_H
#define GRID_SERIALISATION_BINARY_READER_H
#include <iostream>
#include <iomanip>
#include <fstream>
#include <sstream>
#include <math.h>
#include <vector>
#include <cassert>
namespace Grid {
class BinaryWriter: public Writer<BinaryWriter>
{
public:
BinaryWriter(const std::string &fileName);
virtual ~BinaryWriter(void) = default;
void push(const std::string &s) {};
void pop(void) {};
template <typename U>
void writeDefault(const std::string &s, const U &x);
template <typename U>
void writeDefault(const std::string &s, const std::vector<U> &x);
void writeDefault(const std::string &s, const char *x);
private:
std::ofstream file_;
};
class BinaryReader: public Reader<BinaryReader>
{
public:
BinaryReader(const std::string &fileName);
virtual ~BinaryReader(void) = default;
void push(const std::string &s) {};
void pop(void) {};
template <typename U>
void readDefault(const std::string &s, U &output);
template <typename U>
void readDefault(const std::string &s, std::vector<U> &output);
private:
std::ifstream file_;
};
// Writer template implementation ////////////////////////////////////////////
template <typename U>
void BinaryWriter::writeDefault(const std::string &s, const U &x)
{
file_.write((char *)&x, sizeof(U));
}
template <>
void BinaryWriter::writeDefault(const std::string &s, const std::string &x);
template <typename U>
void BinaryWriter::writeDefault(const std::string &s, const std::vector<U> &x)
{
uint64_t sz = x.size();
write("", sz);
for (uint64_t i = 0; i < sz; ++i)
{
write("", x[i]);
}
}
// Reader template implementation ////////////////////////////////////////////
template <typename U>
void BinaryReader::readDefault(const std::string &s, U &output)
{
file_.read((char *)&output, sizeof(U));
}
template <>
void BinaryReader::readDefault(const std::string &s, std::string &output);
template <typename U>
void BinaryReader::readDefault(const std::string &s, std::vector<U> &output)
{
uint64_t sz;
read("", sz);
output.resize(sz);
for (uint64_t i = 0; i < sz; ++i)
{
read("", output[i]);
}
}
}
#endif