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;
}