Make URL Safe

MakeURLSafe.cs

private static char Hex(int ix)
		{
			if (ix < 10)
			{
				return (char)(ix + 48);
			}
			return (char)(ix - 10 + 65);
		}




private static string MakeURLSafe(string s)
		{
			string text = string.Empty;
			for (int i = 0; i < s.Length; i++)
			{
				char c = s[i];
				if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || c == '.')
				{
					text += c.ToString();
				}
				else if (c >= '\0' && c < 'Ā')
				{
					text += "%";
					text += Hex((int)(c / '\u0010')).ToString();
					text += Hex((int)(c % '\u0010')).ToString();
				}
				else
				{
					text += "%";
					text += "u";
					text += Hex((int)(c / 'က')).ToString();
					text += Hex((int)(c / 'Ā' % '\u0010')).ToString();
					text += Hex((int)(c / '\u0010' % '\u0010')).ToString();
					text += Hex((int)(c % '\u0010')).ToString();
				}
			}
			return text;
		}