///////////////////////////////////////////////////////////////////////////////
// setup.cpp


#include "..\nodoka\misc.h"
#include "..\nodoka\registry.h"
#include "..\nodoka\stringtool.h"
#include "..\nodoka\windowstool.h"
#include "installer.h"

#include <shlobj.h>
#include <sys/types.h>
#include <sys/stat.h>


namespace Installer
	{
	using namespace std;


	/////////////////////////////////////////////////////////////////////////////
	// Utility Functions

	/** createLink
	uses the shell's IShellLink and IPersistFile interfaces to
	create and store a shortcut to the specified object.
	@return
	the result of calling the member functions of the interfaces.
	@param i_pathObj
	address of a buffer containing the path of the object.
	@param i_pathLink
	address of a buffer containing the path where the
	shell link is to be stored.
	@param i_desc
	address of a buffer containing the description of the
	shell link.
	*/
	HRESULT createLink(LPCTSTR i_pathObj, LPCTSTR i_pathLink, LPCTSTR i_desc,
		LPCTSTR i_workingDirectory)
		{ 
		// Get a pointer to the IShellLink interface. 
		IShellLink* psl;
		HRESULT hres =
			CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
			IID_IShellLink, (void **)&psl);
		if (SUCCEEDED(hres))
			{ 
			// Set the path to the shortcut target and add the description. 
			psl->SetPath(i_pathObj);
			psl->SetDescription(i_desc);
			if (i_workingDirectory)
				psl->SetWorkingDirectory(i_workingDirectory);

			// Query IShellLink for the IPersistFile interface for saving the 
			// shortcut in persistent storage. 
			IPersistFile* ppf; 
			hres = psl->QueryInterface(IID_IPersistFile, (void **)&ppf);

			if (SUCCEEDED(hres))
				{
#ifdef UNICODE
				// Save the link by calling IPersistFile::Save. 
				hres = ppf->Save(i_pathLink, TRUE); 
#else
				wchar_t wsz[MAX_PATH];
				// Ensure that the string is ANSI. 
				MultiByteToWideChar(CP_ACP, 0, i_pathLink, -1, wsz, MAX_PATH);
				// Save the link by calling IPersistFile::Save. 
				hres = ppf->Save(wsz, TRUE); 
#endif
				ppf->Release();
				}
			psl->Release();
			} 
		return hres; 
		}


	// create file extension information
	void createFileExtension(const tstringi &i_ext, const tstring &i_contentType,
		const tstringi &i_fileType,
		const tstring &i_fileTypeName,
		const tstringi &i_iconPath,
		const tstring &i_command)
		{
		tstring dummy;

		Registry regExt(HKEY_CLASSES_ROOT, i_ext);
		if (!         regExt.read (_T(""), &dummy))
			CHECK_TRUE( regExt.write(_T(""), i_fileType) );
		if (!         regExt.read (_T("Content Type"), &dummy))
			CHECK_TRUE( regExt.write(_T("Content Type"), i_contentType) );

		Registry      regFileType(HKEY_CLASSES_ROOT, i_fileType);
		if (!         regFileType.read (_T(""), &dummy))
			CHECK_TRUE( regFileType.write(_T(""), i_fileTypeName) );

		Registry      regFileTypeIcon(HKEY_CLASSES_ROOT,
			i_fileType + _T("\\DefaultIcon"));
		if (!         regFileTypeIcon.read (_T(""), &dummy))
			CHECK_TRUE( regFileTypeIcon.write(_T(""), i_iconPath) );

		Registry      regFileTypeComand(HKEY_CLASSES_ROOT,
			i_fileType + _T("\\shell\\open\\command"));
		if (!         regFileTypeComand.read (_T(""), &dummy))
			CHECK_TRUE( regFileTypeComand.write(_T(""), i_command) );

		// Workaround remove old registry. because nodoka file is not use by ftype command.
		Registry::remove(HKEY_CLASSES_ROOT, _T("mayu file\\DefaultIcon"));
		Registry::remove(HKEY_CLASSES_ROOT, _T("mayu file"));
		Registry::remove(HKEY_CLASSES_ROOT, _T("nodoka file\\DefaultIcon"));
		Registry::remove(HKEY_CLASSES_ROOT, _T("nodoka file"));

		}


	// remove file extension information
	void removeFileExtension(const tstringi &i_ext, const tstringi &i_fileType)
		{
		Registry::remove(HKEY_CLASSES_ROOT, i_ext);
		Registry::remove(HKEY_CLASSES_ROOT,
			i_fileType + _T("\\shell\\open\\command"));
		Registry::remove(HKEY_CLASSES_ROOT, i_fileType + _T("\\shell\\open"));
		Registry::remove(HKEY_CLASSES_ROOT, i_fileType + _T("\\shell"));
		Registry::remove(HKEY_CLASSES_ROOT, i_fileType + _T("\\DefaultIcon"));
		Registry::remove(HKEY_CLASSES_ROOT, i_fileType);
		}


	// create uninstallation information
	void createUninstallInformation(const tstringi &i_name,
		const tstring &i_displayName,
		const tstring &i_commandLine)
		{
		Registry reg(
			HKEY_LOCAL_MACHINE,
			_T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\")
			+ i_name);

		CHECK_TRUE( reg.write(_T("DisplayName"), i_displayName) );
		CHECK_TRUE( reg.write(_T("UninstallString"), i_commandLine) );
		}


	// remove uninstallation information
	void removeUninstallInformation(const tstringi &i_name)
		{
		Registry::
			remove(HKEY_LOCAL_MACHINE,
			_T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\")
			+ i_name);
		}


	// normalize path
	tstringi normalizePath(tstringi i_path)
		{
		tregex regSlash(_T("^(.*)/(.*)$"));
		tsmatch what;
		while (boost::regex_search(i_path, what, regSlash))
			i_path = what.str(1) + _T("\\") + what.str(2);

		tregex regTailBackSlash(_T("^(.*)\\\\$"));
		while (boost::regex_search(i_path, what, regTailBackSlash))
			i_path = what.str(1);

		return i_path;
		}


	// create deep directory
	bool createDirectories(const _TCHAR *i_folder)
		{
		const _TCHAR *s = _tcschr(i_folder, _T('\\')); // TODO: '/'
		if (s && s - i_folder == 2 && i_folder[1] == _T(':'))
			s = _tcschr(s + 1, _T('\\'));

		struct _stat sbuf;
		while (s)
			{
			tstringi f(i_folder, 0, s - i_folder);
			if (_tstat(f.c_str(), &sbuf) < 0)
				if (!CreateDirectory(f.c_str(), NULL))
					return false;
			s = _tcschr(s + 1, _T('\\'));
			}
		if (_tstat(i_folder, &sbuf) < 0)
			if (!CreateDirectory(i_folder, NULL))
				return false;
		return true;
		}


	// get driver directory
	tstringi getDriverDirectory()
		{
		_TCHAR buf[GANA_MAX_PATH];
		CHECK_TRUE( GetSystemDirectory(buf, NUMBER_OF(buf)) );
		return tstringi(buf) + _T("\\drivers");
		}


	// get current directory
	tstringi getModuleDirectory()
		{
		_TCHAR buf[GANA_MAX_PATH];
		CHECK_TRUE( GetModuleFileName(g_hInst, buf, NUMBER_OF(buf)) );
		tregex reg(_T("^(.*)\\\\[^\\\\]*$"));
		tsmatch what;
		tstringi path(buf);
		if (boost::regex_search(path, what, reg))
			return what.str(1);
		else
			return path;
		}


	// get start menu name
	tstringi getStartMenuName(const tstringi &i_shortcutName)
		{
#if 0
		char programDir[GANA_MAX_PATH];
		if (SUCCEEDED(SHGetSpecialFolderPath(NULL, programDir,
			CSIDL_COMMON_PROGRAMS, FALSE)))
			return tstringi(programDir) + "\\" + shortcutName + ".lnk";
#else
		tstringi programDir;
		if (Registry::read(HKEY_LOCAL_MACHINE,
			_T("Software\\Microsoft\\Windows\\CurrentVersion\\")
			_T("Explorer\\Shell Folders"), _T("Common Programs"),
			&programDir))
			return programDir + _T("\\") + i_shortcutName + _T(".lnk");
#endif
		return _T("");
		}


	// get start up name
	tstringi getStartUpName(const tstringi &i_shortcutName)
		{
		tstringi startupDir;
		if (Registry::read(HKEY_CURRENT_USER,
			_T("Software\\Microsoft\\Windows\\CurrentVersion\\")
			_T("Explorer\\Shell Folders"), _T("Startup"),
			&startupDir))
			return startupDir + _T("\\") + i_shortcutName + _T(".lnk");
		return _T("");
		}


#if defined(_WINNT)

	// create driver service
	DWORD createDriverService(const tstringi &i_serviceName,
		const tstring &i_serviceDescription,
		const tstringi &i_driverPath,
		const _TCHAR *i_preloadedGroups,
		bool forUsb)
	{
		SC_HANDLE hscm;
		SC_HANDLE hs;

		// SCManager open
		hscm = OpenSCManager(NULL, NULL,
			SC_MANAGER_CREATE_SERVICE | SC_MANAGER_CONNECT);
		if (!hscm) {
			//MessageBox(NULL, L"OpenScManager error", L"Nodoka Setup", MB_OK | MB_ICONSTOP);
			return false;
		}

		// Service(driver)が居たら停止させる。
		hs = OpenService(hscm, i_serviceName.c_str(), SERVICE_STOP);
		if (!hs)
			{
			SERVICE_STATUS ss;
			ControlService(hs, SERVICE_CONTROL_STOP, &ss);
			CloseServiceHandle(hs);

			// WOW64エントリがあったら0を書く。x86 seutp WA.
			Registry reg(HKEY_LOCAL_MACHINE,
				_T("SYSTEM\\CurrentControlSet\\Services\\nodokad"));
				reg.write(_T("WOW64"), 0);
			}

		// Service(driver)のインストール
		hs = CreateService(hscm, i_serviceName.c_str(), i_serviceDescription.c_str(),
			SERVICE_START | SERVICE_STOP, SERVICE_KERNEL_DRIVER,
			forUsb == true ? SERVICE_DEMAND_START : SERVICE_AUTO_START,
			SERVICE_ERROR_IGNORE,
			i_driverPath.c_str(), NULL, NULL,
			i_preloadedGroups, NULL, NULL);
		DWORD err = GetLastError();
		if (hs == NULL)
			{
			switch (err)
				{
				case ERROR_SERVICE_EXISTS:
					{
#if 0
					hs = OpenService(hscm, i_serviceName.c_str(), SERVICE_CHANGE_CONFIG);
					if (hs == NULL) {
						CloseServiceHandle(hscm);
						return GetLastError();
						}
					if (!ChangeServiceConfig(
						hscm, SERVICE_KERNEL_DRIVER,
						forUsb == true ? SERVICE_DEMAND_START : SERVICE_AUTO_START,
						SERVICE_ERROR_IGNORE,
						i_driverPath.c_str(), NULL, NULL,
						i_preloadedGroups, NULL, NULL,
						i_serviceDescription.c_str())) {
							CloseServiceHandle(hs);
							CloseServiceHandle(hscm);
							return GetLastError();		// ERROR_IO_PENDING!
							// this code always reaches here. why?
						}
#else
					Registry reg(HKEY_LOCAL_MACHINE,
						_T("SYSTEM\\CurrentControlSet\\Services\\nodokad"));
					reg.write(_T("Start"),
						forUsb ? SERVICE_DEMAND_START : SERVICE_AUTO_START);
#endif
					break;
					}
				default:
					{
					CloseServiceHandle(hscm);
					//MessageBox(NULL, L"CreateService error", L"Nodoka Setup", MB_OK | MB_ICONSTOP);
					Registry reg(HKEY_LOCAL_MACHINE,
						_T("SYSTEM\\CurrentControlSet\\Services\\nodokad"));
					reg.write(_T("Error"),err);
					return err;
					}
				}
			}
		CloseServiceHandle(hs);
		CloseServiceHandle(hscm);

		if (forUsb == true) {
			Registry reg(HKEY_LOCAL_MACHINE, NODOKAD_FILTER_KEY);
			typedef std::list<tstring> Filters;
			Filters filters;
			if (!reg.read(_T("UpperFilters"), &filters)) {
				//MessageBox(NULL, L"UpperFilters read error", L"Nodoka Setup", MB_OK | MB_ICONSTOP);
				return false;
			}
			for (Filters::iterator i = filters.begin(); i != filters.end(); ) {
				Filters::iterator next = i;
				++ next;
				if (*i == _T("nodokad")) {
					filters.erase(i);
					}
				i = next;
				}
			filters.push_back(_T("nodokad"));
			if (!reg.write(_T("UpperFilters"), filters)) {
				//MessageBox(NULL, L"UpperFilters write error", L"Nodoka Setup", MB_OK | MB_ICONSTOP);
				return false;
			}
		}
		return ERROR_SUCCESS;
	}
#endif // _WINNT


#if defined(_WINNT)
	// remove driver service
	DWORD removeDriverService(const tstringi &i_serviceName)
		{
		DWORD err = ERROR_SUCCESS;

		Registry reg(HKEY_LOCAL_MACHINE, NODOKAD_FILTER_KEY);
		std::list<tstring> filters;
		if (reg.read(_T("UpperFilters"), &filters))
			{
			filters.remove(_T("nodokad"));
			reg.write(_T("UpperFilters"), filters);
			}

		SC_HANDLE hscm = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT);
		SC_HANDLE hs =
			OpenService(hscm, i_serviceName.c_str(),
			SERVICE_START | SERVICE_STOP | DELETE);
		if (!hs)
			{
			err = GetLastError();
			goto error;
			}

		SERVICE_STATUS ss;
		ControlService(hs, SERVICE_CONTROL_STOP, &ss);

		if (!DeleteService(hs))
			{
			err = GetLastError();
			goto error;
			}
error:
		CloseServiceHandle(hs);
		CloseServiceHandle(hscm);
		return err;
		}
#endif // _WINNT


	// determine processor architecture
	void getSysInfo(SYSTEM_INFO *sysInfo)
		{
		static bool first = true;
		static void (WINAPI *pGetNativeSystemInfo)(LPSYSTEM_INFO);
		if (first) {
			first = false;
			*(FARPROC *)&pGetNativeSystemInfo =
				GetProcAddress(LoadLibrary(_T("kernel32")), "GetNativeSystemInfo");
			}
		if (pGetNativeSystemInfo) {
			pGetNativeSystemInfo(sysInfo);
			return;
			}
		GetSystemInfo(sysInfo);
		}


	// disable WOW64 file system redirection
	BOOL disableWow64FsRedir(PVOID *oldValue)
		{
		static BOOL first = TRUE;
		static BOOL (WINAPI *pWow64DisableWow64FsRedirection)(PVOID *);
		if (first) {
			first = FALSE;
			*(FARPROC *)&pWow64DisableWow64FsRedirection =
				GetProcAddress(LoadLibrary(_T("kernel32")),
				"Wow64DisableWow64FsRedirection");
			}
		if (!pWow64DisableWow64FsRedirection)
			return FALSE;
		return pWow64DisableWow64FsRedirection(oldValue);
		}


	// revert WOW64 file system redirection
	BOOL revertWow64FsRedir(PVOID oldValue)
		{
		static BOOL first = TRUE;
		static BOOL (WINAPI *pWow64RevertWow64FsRedirection)(PVOID);
		if (first) {
			first = FALSE;
			*(FARPROC *)&pWow64RevertWow64FsRedirection =
				GetProcAddress(LoadLibrary(_T("kernel32")),
				"Wow64RevertWow64FsRedirection");
			}
		if (!pWow64RevertWow64FsRedirection)
			return FALSE;
		return pWow64RevertWow64FsRedirection(oldValue);
		}


	// check operating system
	bool checkOs(SetupFile::OS os)
		{
		OSVERSIONINFO ver;
		ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
		GetVersionEx(&ver);
		SYSTEM_INFO sysInfo;
		getSysInfo(&sysInfo);

		switch (os)
			{
			default:
				break;
			case SetupFile::NTx86:
			case SetupFile::NT4x86:
			case SetupFile::W2kx86:
				if (sysInfo.wProcessorArchitecture != PROCESSOR_ARCHITECTURE_INTEL)
					return false;
				break;
			}

		switch (os)
			{
			default:
			case SetupFile::ALL:
				return true;
			case SetupFile::W9x:
				return (ver.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
					4 <= ver.dwMajorVersion);
			case SetupFile::NTx86:
			case SetupFile::NT :
				return (ver.dwPlatformId == VER_PLATFORM_WIN32_NT &&
					4 <= ver.dwMajorVersion);
			case SetupFile::NT4x86:
			case SetupFile::NT4:
				return (ver.dwPlatformId == VER_PLATFORM_WIN32_NT &&
					ver.dwMajorVersion == 4);
			case SetupFile::W2kx86:
			case SetupFile::W2k:			// W2k, XP, ...
				return (ver.dwPlatformId == VER_PLATFORM_WIN32_NT &&
					5 <= ver.dwMajorVersion);
			case SetupFile::AMD64:
				return sysInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64;
			}
		}


	// install files
	bool installFiles(const SetupFile::Data *i_setupFiles,
		size_t i_setupFilesSize, u_int32 i_flags,
		const tstringi &i_srcDir, const tstringi &i_destDir)
		{
		tstringi to, from;
		tstringi destDriverDir = getDriverDirectory();

		for (size_t i = 0; i < i_setupFilesSize; ++ i)
			{
			const SetupFile::Data &s = i_setupFiles[i];
			const tstringi &fromDir = i_srcDir;
			const tstringi &toDir =
				(s.m_destination == SetupFile::ToDriver) ? destDriverDir : i_destDir;

			if (!s.m_from)
				continue;				// remove only

			if (fromDir == toDir)
				continue;				// same directory

			if (!checkOs(s.m_os))			// check operating system
				continue;

			if ((s.m_flags & i_flags) != i_flags)	// check flags
				continue;

			// type
			switch (s.m_kind)
				{
				case SetupFile::Dll:
					{
					// rename driver
					tstringi from_ = toDir + _T("\\") + s.m_to;
					tstringi to_ = toDir + _T("\\deleted.") + s.m_to;
					SetFileAttributes(to_.c_str(), FILE_ATTRIBUTE_NORMAL);
					DeleteFile(to_.c_str());
					MoveFile(from_.c_str(), to_.c_str());
					SetFileAttributes(to_.c_str(), FILE_ATTRIBUTE_NORMAL);
					DeleteFile(to_.c_str());
					}
					// fall through
				default:
				case SetupFile::File:
					{
					from += fromDir + _T('\\') + s.m_from + _T('\0');
					to   += toDir   + _T('\\') + s.m_to   + _T('\0');
					break;
					}
				case SetupFile::Dir:
					{
					createDirectories((toDir + _T('\\') + s.m_to).c_str());
					break;
					}
				}
			}
#if 0
			{
			tstringi to_(to), from_(from);
			for (size_t i = 0; i < to_.size(); ++ i)
				if (!to_[i])
					to_[i] = ' ';
			for (size_t i = 0; i < from_.size(); ++ i)
				if (!from_[i])
					from_[i] = ' ';
			MessageBox(NULL, to_.c_str(), from_.c_str(), MB_OK);
			}
#endif

			PVOID oldValue;
			disableWow64FsRedir(&oldValue);
			SHFILEOPSTRUCT fo;
			::ZeroMemory(&fo, sizeof(fo));
			fo.wFunc = FO_COPY;
			fo.fFlags = FOF_MULTIDESTFILES | FOF_SIMPLEPROGRESS;
			fo.pFrom = from.c_str();
			fo.pTo   = to.c_str();
			bool result = !(SHFileOperation(&fo) || fo.fAnyOperationsAborted);
			revertWow64FsRedir(oldValue);
			return result;
		}


	// remove files from src
	bool removeSrcFiles(const SetupFile::Data *i_setupFiles, 
		size_t i_setupFilesSize, u_int32 i_flags,
		const tstringi &i_srcDir)
		{
		tstringi destDriverDir = getDriverDirectory();

		for (size_t i = 0; i < i_setupFilesSize; ++ i)
			{
			const SetupFile::Data &s = i_setupFiles[i_setupFilesSize - i - 1];
			const tstringi &fromDir = i_srcDir;

			if (!s.m_from)
				continue;	// remove only

			if (!checkOs(s.m_os))	// check operating system
				continue;

			if ((s.m_flags & i_flags) != i_flags)	// check flags
				continue;

			// type
			switch (s.m_kind)
				{
				default:
				case SetupFile::Dll:
				case SetupFile::File:
					SetFileAttributes((fromDir + _T('\\') + s.m_from).c_str(), FILE_ATTRIBUTE_NORMAL);
					DeleteFile((fromDir + _T('\\') + s.m_from).c_str());
					break;
				case SetupFile::Dir:
					RemoveDirectory((fromDir + _T('\\') + s.m_from).c_str());
					break;
				}
			}
		RemoveDirectory(i_srcDir.c_str());
		return true;
		}


	// remove files
	void removeFiles(const SetupFile::Data *i_setupFiles,
		size_t i_setupFilesSize, u_int32 i_flags,
		const tstringi &i_destDir)
		{
		tstringi destDriverDir = getDriverDirectory();

		for (size_t i = 0; i < i_setupFilesSize; ++ i)
			{
			const SetupFile::Data &s = i_setupFiles[i_setupFilesSize - i - 1];
			const tstringi &toDir =
				(s.m_destination == SetupFile::ToDriver) ? destDriverDir : i_destDir;

			if (!checkOs(s.m_os))	// check operating system
				continue;

			if ((s.m_flags & i_flags) != i_flags)	// check flags
				continue;

			// type
			switch (s.m_kind)
				{
				case SetupFile::Dll:
					SetFileAttributes((toDir + _T("\\deleted.") + s.m_to).c_str(), FILE_ATTRIBUTE_NORMAL);
					DeleteFile((toDir + _T("\\deleted.") + s.m_to).c_str());
					// fall through
				default:
				case SetupFile::File:
					PVOID oldValue;
					if (s.m_destination == SetupFile::ToDriver)
						disableWow64FsRedir(&oldValue);
					SetFileAttributes((toDir + _T('\\') + s.m_to).c_str(), FILE_ATTRIBUTE_NORMAL); 
					DeleteFile((toDir + _T('\\') + s.m_to).c_str());
					if (s.m_destination == SetupFile::ToDriver)
						revertWow64FsRedir(oldValue);
					break;
				case SetupFile::Dir:
					RemoveDirectory((toDir + _T('\\') + s.m_to).c_str());
					break;
				}
			}
		RemoveDirectory(i_destDir.c_str());
		}


	// uninstall step1
	int uninstallStep1(const _TCHAR *i_uninstallOption)
		{
		// copy this EXEcutable image into the user's temp directory
		_TCHAR setup_exe[GANA_MAX_PATH], tmp_setup_exe[GANA_MAX_PATH];
		GetModuleFileName(NULL, setup_exe, NUMBER_OF(setup_exe));
		GetTempPath(NUMBER_OF(tmp_setup_exe), tmp_setup_exe);
		GetTempFileName(tmp_setup_exe, _T("del"), 0, tmp_setup_exe);
		CopyFile(setup_exe, tmp_setup_exe, FALSE);

		// open the clone EXE using FILE_FLAG_DELETE_ON_CLOSE
		HANDLE hfile = CreateFile(tmp_setup_exe, 0, FILE_SHARE_READ, NULL,
			OPEN_EXISTING, FILE_FLAG_DELETE_ON_CLOSE, NULL);

		// spawn the clone EXE passing it our EXE's process handle
		// and the full path name to the original EXE file.
		_TCHAR commandLine[512];
		HANDLE hProcessOrig =
			OpenProcess(SYNCHRONIZE, TRUE, GetCurrentProcessId());
		_sntprintf_s(commandLine, NUMBER_OF(commandLine), _TRUNCATE, _T("%s %s %d"),
			tmp_setup_exe, i_uninstallOption, hProcessOrig);
		STARTUPINFO si;
		::ZeroMemory(&si, sizeof(si));
		si.cb = sizeof(si);
		PROCESS_INFORMATION pi;
		CreateProcess(NULL, commandLine, NULL, NULL, TRUE, 0, NULL, NULL, &si,&pi);
		Sleep(2000); // important
		CloseHandle(hProcessOrig);
		CloseHandle(hfile);

		return 0;
		}

	// uninstall step2
	// (after this function, we cannot use any resource)
	void uninstallStep2(const _TCHAR *argByStep1)
		{
		// clone EXE: When original EXE terminates, delete it
		HANDLE hProcessOrig = (HANDLE)_ttoi(argByStep1);
		WaitForSingleObject(hProcessOrig, INFINITE);
		CloseHandle(hProcessOrig);
		}


	/////////////////////////////////////////////////////////////////////////////
	// Locale / StringResource


	// constructor
	Resource::Resource(const StringResource *i_stringResources)
		: m_stringResources(i_stringResources),
		m_locale(LOCALE_C)
		{
		struct LocaleInformaton
			{
			const _TCHAR *m_localeString;
			Locale m_locale;
			};

		// set locale information
		const _TCHAR *localeString = ::_tsetlocale(LC_ALL, _T(""));

		static const LocaleInformaton locales[] =
			{
				{ _T("Japanese_Japan.932"), LOCALE_Japanese_Japan_932 },
			};

		for (size_t i = 0; i < NUMBER_OF(locales); ++ i)
			if (_tcsicmp(localeString, locales[i].m_localeString) == 0)
				{
				m_locale = locales[i].m_locale;
				break;
				}
		}


	// get resource string
	const _TCHAR *Resource::loadString(UINT i_id)
		{
		int n = static_cast<int>(m_locale);
		int index = -1;
		for (int i = 0; m_stringResources[i].m_str; ++ i)
			if (m_stringResources[i].m_id == i_id)
				{
				if (n == 0)
					return m_stringResources[i].m_str;
				index = i;
				n --;
				}
			if (0 <= index)
				return m_stringResources[index].m_str;
			else
				return _T("");
		}
	}
