vector_loadsave.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2018, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */

#include "io-precomp.h"  // Precompiled headers

#include <mrpt/io/vector_loadsave.h>
#include <mrpt/io/CFileInputStream.h>
#include <mrpt/io/CFileOutputStream.h>

using namespace mrpt;
using namespace mrpt::io;
using namespace std;

bool mrpt::io::loadBinaryFile(
    std::vector<uint8_t>& out_data, const std::string& fileName)
{
    try
    {
        CFileInputStream fi(fileName);
        size_t N = fi.getTotalBytesCount();

        out_data.resize(N);
        if (N)
        {
            size_t NN = fi.Read(&out_data[0], N);
            return NN == N;
        }
        else
            return true;
    }
    catch (...)
    {
        return false;
    }
}

bool mrpt::io::vectorToBinaryFile(
    const std::vector<uint8_t>& vec, const std::string& fileName)
{
    try
    {
        mrpt::io::CFileOutputStream of(fileName);
        if (!vec.empty()) of.Write(&vec[0], sizeof(vec[0]) * vec.size());
        return true;
    }
    catch (...)
    {
        return false;
    }
}

bool mrpt::io::loadTextFile(
    std::vector<std::string>& o, const std::string& fileName)
{
    o.clear();
    std::ifstream f(fileName);
    if (!f.is_open()) return false;
    std::string s;
    while (std::getline(f, s)) o.emplace_back(std::move(s));
    return true;
}