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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#ifndef EXECUTE_HEADER_23482134578134134
#define EXECUTE_HEADER_23482134578134134
#include <zen/zstring.h>
#include <zen/scope_guard.h>
#include <zen/i18n.h>
#include <zen/utf.h>
#include <wx/msgdlg.h>
#ifdef ZEN_WIN
#include <zen/sys_error.h>
//#include <zen/string_tools.h>
#include <zen/win.h> //includes "windows.h"
#elif defined ZEN_LINUX || defined ZEN_MAC
#include <zen/thread.h>
#include <stdlib.h> //::system()
//#include <wx/utils.h>
//#include <wx/log.h>
#endif
namespace zen
{
//launch commandline and report errors via popup dialog
//windows: COM needs to be initialized before calling this function!
enum ExecutionType
{
EXEC_TYPE_SYNC,
EXEC_TYPE_ASYNC
};
namespace
{
void shellExecute(const Zstring& command, ExecutionType type = EXEC_TYPE_ASYNC)
{
#ifdef ZEN_WIN
//parse commandline
std::vector<std::wstring> argv;
int argc = 0;
if (LPWSTR* tmp = ::CommandLineToArgvW(command.c_str(), &argc))
{
std::copy(tmp, tmp + argc, std::back_inserter(argv));
::LocalFree(tmp);
}
std::wstring filename;
std::wstring arguments;
if (!argv.empty())
{
filename = argv[0];
for (auto iter = argv.begin() + 1; iter != argv.end(); ++iter)
arguments += (iter != argv.begin() ? L" " : L"") +
(iter->empty() || std::any_of(iter->begin(), iter->end(), &isWhiteSpace<wchar_t>) ? L"\"" + *iter + L"\"" : *iter);
}
SHELLEXECUTEINFO execInfo = {};
execInfo.cbSize = sizeof(execInfo);
//SEE_MASK_NOASYNC is equal to SEE_MASK_FLAG_DDEWAIT, but former is defined not before Win SDK 6.0
execInfo.fMask = type == EXEC_TYPE_SYNC ? (SEE_MASK_NOCLOSEPROCESS | SEE_MASK_FLAG_DDEWAIT) : 0; //don't use SEE_MASK_ASYNCOK -> returns successful despite errors!
execInfo.fMask |= SEE_MASK_UNICODE | SEE_MASK_FLAG_NO_UI; //::ShellExecuteEx() shows a non-blocking pop-up dialog on errors -> we want a blocking one
execInfo.lpVerb = nullptr;
execInfo.lpFile = filename.c_str();
execInfo.lpParameters = arguments.c_str();
execInfo.nShow = SW_SHOWNORMAL;
if (!::ShellExecuteEx(&execInfo)) //__inout LPSHELLEXECUTEINFO lpExecInfo
{
wxString cmdFmt = L"File: " + filename + L"\nArg: " + arguments;
wxMessageBox(_("Invalid command line:") + L"\n" + cmdFmt + L"\n\n" + formatSystemError(L"ShellExecuteEx", getLastError()));
return;
}
if (execInfo.hProcess)
{
ZEN_ON_SCOPE_EXIT(::CloseHandle(execInfo.hProcess));
if (type == EXEC_TYPE_SYNC)
::WaitForSingleObject(execInfo.hProcess, INFINITE);
}
#elif defined ZEN_LINUX || defined ZEN_MAC
/*
we cannot use wxExecute due to various issues:
- screws up encoding on OS X for non-ASCII characters
- does not provide any reasonable error information
- uses a zero-sized dummy window as a hack to keep focus which leaves a useless empty icon in ALT-TAB list
*/
if (type == EXEC_TYPE_SYNC)
{
//Posix::system - execute a shell command
int rv = ::system(command.c_str()); //do NOT use std::system as its documentation says nothing about "WEXITSTATUS(rv)", ect...
if (rv == -1 || WEXITSTATUS(rv) == 127) //http://linux.die.net/man/3/system "In case /bin/sh could not be executed, the exit status will be that of a command that does exit(127)"
wxMessageBox(_("Invalid command line:") + L"\n" + utfCvrtTo<wxString>(command));
}
else
async([=] { int rv = ::system(command.c_str()); (void)rv; });
//unfortunately we are not allowed to show a wxMessageBox from a worker thread
#endif
}
}
}
#endif //EXECUTE_HEADER_23482134578134134
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