xmrig/src/base/io/json/Json_win.cpp
2019-04-13 23:58:58 +07:00

124 lines
3.5 KiB
C++

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2018-2019 SChernykh <https://github.com/SChernykh>
* Copyright 2016-2019 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <windows.h>
#ifdef __GNUC__
# include <fcntl.h>
# include <ext/stdio_filebuf.h>
#endif
#include <fstream>
#include "base/io/json/Json.h"
#include "rapidjson/document.h"
#include "rapidjson/istreamwrapper.h"
#include "rapidjson/ostreamwrapper.h"
#include "rapidjson/prettywriter.h"
#if defined(_MSC_VER) || defined (__GNUC__)
static std::wstring toUtf16(const char *str)
{
const int size = static_cast<int>(strlen(str));
std::wstring ret;
int len = MultiByteToWideChar(CP_UTF8, 0, str, size, nullptr, 0);
if (len > 0) {
ret.resize(static_cast<size_t>(len));
MultiByteToWideChar(CP_UTF8, 0, str, size, &ret[0], len);
}
return ret;
}
#endif
bool xmrig::Json::get(const char *fileName, rapidjson::Document &doc)
{
using namespace rapidjson;
constexpr const std::ios_base::openmode mode = std::ios_base::in | std::ios_base::binary;
# if defined(_MSC_VER)
std::ifstream ifs(toUtf16(fileName), mode);
if (!ifs.is_open()) {
return false;
}
# elif defined(__GNUC__)
const int fd = _wopen(toUtf16(fileName).c_str(), _O_RDONLY | _O_BINARY);
if (fd == -1) {
return false;
}
__gnu_cxx::stdio_filebuf<char> buf(fd, mode);
std::istream ifs(&buf);
# else
std::ifstream ifs(fileName, mode);
if (!ifs.is_open()) {
return false;
}
# endif
IStreamWrapper isw(ifs);
doc.ParseStream<kParseCommentsFlag | kParseTrailingCommasFlag>(isw);
return !doc.HasParseError() && doc.IsObject();
}
bool xmrig::Json::save(const char *fileName, const rapidjson::Document &doc)
{
using namespace rapidjson;
constexpr const std::ios_base::openmode mode = std::ios_base::out | std::ios_base::binary | std::ios_base::trunc;
# if defined(_MSC_VER)
std::ofstream ofs(toUtf16(fileName), mode);
if (!ofs.is_open()) {
return false;
}
# elif defined(__GNUC__)
const int fd = _wopen(toUtf16(fileName).c_str(), _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC);
if (fd == -1) {
return false;
}
__gnu_cxx::stdio_filebuf<char> buf(fd, mode);
std::ostream ofs(&buf);
# else
std::ofstream ofs(fileName, mode);
if (!ofs.is_open()) {
return false;
}
# endif
OStreamWrapper osw(ofs);
PrettyWriter<OStreamWrapper> writer(osw);
doc.Accept(writer);
return true;
}