Rhino.NativeString.Js_substr C# (CSharp) Метод

		private static CharSequence Js_substr(CharSequence target, object[] args)
		{
			if (args.Length < 1)
			{
				return target;
			}
			double begin = ScriptRuntime.ToInteger(args[0]);
			double end;
			int length = target.Length;
			if (begin < 0)
			{
				begin += length;
				if (begin < 0)
				{
					begin = 0;
				}
			}
			else
			{
				if (begin > length)
				{
					begin = length;
				}
			}
			if (args.Length == 1)
			{
				end = length;
			}
			else
			{
				end = ScriptRuntime.ToInteger(args[1]);
				if (end < 0)
				{
					end = 0;
				}
				end += begin;
				if (end > length)
				{
					end = length;
				}
			}
			return target.SubSequence((int)begin, (int)end);
		}