/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012-2017 gnosygnu@gmail.com

XOWA is licensed under the terms of the General Public License (GPL) Version 3,
or alternatively under the terms of the Apache License Version 2.0.

You may use XOWA according to either of these licenses as is most appropriate
for your project on a case-by-case basis.

The terms of each license can be found in the source code repository:

GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
*/
package gplx.xowa.apps.versions; import gplx.*; import gplx.xowa.*; import gplx.xowa.apps.*;
public class Xoa_version_ {
	public static int Compare(String lhs_str, String rhs_str) {
		String[] lhs_ary = String_.Split(lhs_str, ".");
		String[] rhs_ary = String_.Split(rhs_str, ".");
		return Compare_as_int(lhs_ary, rhs_ary);
	}
	private static int Compare_as_int(String[] lhs_ary, String[] rhs_ary) {
		int lhs_ary_len = lhs_ary.length;
		int rhs_ary_len = rhs_ary.length;
		int len_comp = Int_.Compare(lhs_ary_len, rhs_ary_len);
		if (len_comp != CompareAble_.Same) return len_comp;
		for (int i = 0; i < lhs_ary_len; ++i) {
			String lhs_itm = lhs_ary[i];
			String rhs_itm = rhs_ary[i];
			int itm_comp = Int_.Compare(Int_.parse_or(lhs_itm, 0), Int_.parse_or(rhs_itm, 0));
			if (itm_comp != CompareAble_.Same) return itm_comp;
		}
		return CompareAble_.Same;
	}
}
