/* ----------------------------------------------------------------------------
 * iomanager.cpp
 *
 * Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com> -- MIT License
 * See file LICENSE for more details
 * ----------------------------------------------------------------------------
 */

#include "iomanager.hpp"

#include <fstream>
#include <stdexcept>

namespace yage {

bool IoManager::readFileToBuffer(const std::string& file_path,
                                 std::vector<unsigned char>& buffer) {
    std::ifstream file(file_path, std::ios::binary);
    if (!file.is_open())
        throw std::runtime_error("Could not open '" + file_path + "'");

    // seek to the end
    file.seekg(0, std::ios::end);

    // get the file size
    int file_size = file.tellg();
    file.seekg(0, std::ios::beg);

    // reduce file size by header bytes
    file_size -= file.tellg();

    buffer.resize(file_size);
    file.read((char*)&buffer[0], file_size);
    file.close();

    return true;
}

}  // yage