Method getNumberFormat

astyle/src/astyle_main.cpp:912–951

* WINDOWS function to format a number according to the current locale. * This formats positive integers only, no float. * * @param num The number to be formatted. * @param lcid The LCID of the locale to be used for testing. * @return The formatted number. */

 * @return			The formatted number.
 */
string ASConsole::getNumberFormat(int num, size_t lcid) const
{
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__BORLANDC__) || defined(__GNUC__)
	// Compilers that don't support C++ locales should still support this assert.
	// The C locale should be set but not the C++.
	// This function is not necessary if the C++ locale is set.
	// The locale().name() return value is not portable to all compilers.
	assert(locale().name() == "C");
#endif
	// convert num to a string
	stringstream alphaNum;
	alphaNum << num;
	string number = alphaNum.str();
	if (useAscii)
		return number;

	// format the number using the Windows API
	if (lcid == 0)
		lcid = LOCALE_USER_DEFAULT;
	int outSize = ::GetNumberFormat(lcid, 0, number.c_str(), NULL, NULL, 0);
	char* outBuf = new(nothrow) char[outSize];
	if (outBuf == NULL)
		return number;
	::GetNumberFormat(lcid, 0, number.c_str(), NULL, outBuf, outSize);
	string formattedNum(outBuf);
	delete [] outBuf;
	// remove the decimal
	int decSize = ::GetLocaleInfo(lcid, LOCALE_SDECIMAL, NULL, 0);
	char* decBuf = new(nothrow) char[decSize];
	if (decBuf == NULL)
		return number;
	::GetLocaleInfo(lcid, LOCALE_SDECIMAL, decBuf, decSize);
	size_t i = formattedNum.rfind(decBuf);
	delete [] decBuf;
	if (i != string::npos)
		formattedNum.erase(i);
	if (!formattedNum.length())
		formattedNum = "0";
	return formattedNum;
}

#else  // not _WIN32