barrier/src/lib/platform/MSWindowsUtil.cpp

82 lines
2.5 KiB
C++

/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2004 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package 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 "platform/MSWindowsUtil.h"
#include <stdio.h>
#include "base/String.h"
//
// MSWindowsUtil
//
std::string MSWindowsUtil::getString(HINSTANCE instance, DWORD id)
{
char* msg = NULL;
int n = LoadString(instance, id, reinterpret_cast<LPSTR>(&msg), 0);
if (n <= 0) {
return {};
}
return std::string (msg, n);
}
std::string MSWindowsUtil::getErrorString(HINSTANCE hinstance, DWORD error, DWORD id)
{
char* buffer;
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_IGNORE_INSERTS |
FORMAT_MESSAGE_FROM_SYSTEM,
0,
error,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&buffer,
0,
NULL) == 0) {
std::string errorString = barrier::string::sprintf("%d", error);
return barrier::string::format(getString(hinstance, id).c_str(),
errorString.c_str());
}
else {
std::string result(buffer);
LocalFree(buffer);
return result;
}
}
/*
This is a quick and dirty iterative CreateDirectory() wrapper that does zero
error checking. A much better cross-platform option exists in C++17 via
std::filesystem. If/when the project is updated to use 17 this function should
absolutely be replaced!
*/
void
MSWindowsUtil::createDirectory(const std::string& path, bool stripLast)
{
// create parent directories
for (auto pos = path.find_first_of('\\'); pos != std::string::npos; pos = path.find_first_of('\\', pos + 1))
CreateDirectory(path.substr(0, pos).c_str(), NULL);
if (!stripLast)
// create innermost directory
CreateDirectory(path.c_str(), NULL);
}