mirror of
https://github.com/monero-project/monero.git
synced 2024-12-25 04:59:43 +00:00
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
// * Neither the name of the Andrey N. Sabelnikov nor the
|
|
// names of its contributors may be used to endorse or promote products
|
|
// derived from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
|
|
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
|
|
|
|
#ifndef _FILE_IO_UTILS_H_
|
|
#define _FILE_IO_UTILS_H_
|
|
|
|
#include <iostream>
|
|
#include <boost/filesystem.hpp>
|
|
|
|
namespace epee
|
|
{
|
|
namespace file_io_utils
|
|
{
|
|
inline
|
|
bool is_file_exist(const std::string& path)
|
|
{
|
|
boost::filesystem::path p(path);
|
|
return boost::filesystem::exists(p);
|
|
}
|
|
|
|
inline
|
|
bool save_string_to_file(const std::string& path_to_file, const std::string& str)
|
|
{
|
|
|
|
try
|
|
{
|
|
std::ofstream fstream;
|
|
fstream.exceptions(std::ifstream::failbit | std::ifstream::badbit);
|
|
fstream.open(path_to_file, std::ios_base::binary | std::ios_base::out | std::ios_base::trunc);
|
|
fstream << str;
|
|
fstream.close();
|
|
return true;
|
|
}
|
|
|
|
catch(...)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
inline
|
|
bool get_file_time(const std::string& path_to_file, OUT time_t& ft)
|
|
{
|
|
boost::system::error_code ec;
|
|
ft = boost::filesystem::last_write_time(boost::filesystem::path(path_to_file), ec);
|
|
if(!ec)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
inline
|
|
bool set_file_time(const std::string& path_to_file, const time_t& ft)
|
|
{
|
|
boost::system::error_code ec;
|
|
boost::filesystem::last_write_time(boost::filesystem::path(path_to_file), ft, ec);
|
|
if(!ec)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
|
|
inline
|
|
bool load_file_to_string(const std::string& path_to_file, std::string& target_str)
|
|
{
|
|
try
|
|
{
|
|
std::ifstream fstream;
|
|
fstream.exceptions(std::ifstream::failbit | std::ifstream::badbit);
|
|
fstream.open(path_to_file, std::ios_base::binary | std::ios_base::in | std::ios::ate);
|
|
|
|
std::ifstream::pos_type file_size = fstream.tellg();
|
|
|
|
if(file_size > 1000000000)
|
|
return false;//don't go crazy
|
|
size_t file_size_t = static_cast<size_t>(file_size);
|
|
|
|
target_str.resize(file_size_t);
|
|
|
|
fstream.seekg (0, std::ios::beg);
|
|
fstream.read((char*)target_str.data(), target_str.size());
|
|
fstream.close();
|
|
return true;
|
|
}
|
|
|
|
catch(...)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
inline
|
|
bool append_string_to_file(const std::string& path_to_file, const std::string& str)
|
|
{
|
|
try
|
|
{
|
|
std::ofstream fstream;
|
|
fstream.exceptions(std::ifstream::failbit | std::ifstream::badbit);
|
|
fstream.open(path_to_file.c_str(), std::ios_base::binary | std::ios_base::out | std::ios_base::app);
|
|
fstream << str;
|
|
fstream.close();
|
|
return true;
|
|
}
|
|
|
|
catch(...)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif //_FILE_IO_UTILS_H_
|