Function formatFloat

external/as_add_on/scriptstdstring/scriptstdstring.cpp:533–565

AngelScript signature: string formatFloat(double val, const string &in options, uint width, uint precision)

// AngelScript signature:
// string formatFloat(double val, const string &in options, uint width, uint precision)
static string formatFloat(double value, const string &options, asUINT width, asUINT precision)
{
	bool leftJustify = options.find("l") != string::npos;
	bool padWithZero = options.find("0") != string::npos;
	bool alwaysSign  = options.find("+") != string::npos;
	bool spaceOnSign = options.find(" ") != string::npos;
	bool expSmall    = options.find("e") != string::npos;
	bool expLarge    = options.find("E") != string::npos;

	string fmt = "%";
	if( leftJustify ) fmt += "-";
	if( alwaysSign ) fmt += "+";
	if( spaceOnSign ) fmt += " ";
	if( padWithZero ) fmt += "0";

	fmt += "*.*";

	if( expSmall ) fmt += "e";
	else if( expLarge ) fmt += "E";
	else fmt += "f";

	string buf;
	buf.resize(width+precision+50);
#if _MSC_VER >= 1400 && !defined(__S3E__)
	// MSVC 8.0 / 2005 or newer
	sprintf_s(&buf[0], buf.size(), fmt.c_str(), width, precision, value);
#else
	sprintf(&buf[0], fmt.c_str(), width, precision, value);
#endif
	buf.resize(strlen(&buf[0]));

	return buf;
}

// AngelScript signature:
// int64 parseInt(const string &in val, uint base = 10, uint &out byteCount = 0)