Xomw_atr_mgr.java

/*
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.mediawiki.includes.xohtml; import gplx.*; import gplx.xowa.*; import gplx.xowa.mediawiki.*; import gplx.xowa.mediawiki.includes.*;
public class Xomw_atr_mgr {
	private final    Ordered_hash hash = Ordered_hash_.New_bry();
	public int                 Len()                    {return hash.Len();}
	public Xomw_atr_itm        Get_at(int i)            {return (Xomw_atr_itm)hash.Get_at(i);}
	public Xomw_atr_itm        Get_by_or_null(byte[] k) {return (Xomw_atr_itm)hash.Get_by(k);}
	public Xomw_atr_mgr        Clear()                  {hash.Clear(); return this;}
	public void                Del(byte[] key)          {hash.Del(key);}
	public void                Add(Xomw_atr_itm itm)    {hash.Add(itm.Key_bry(), itm);}
	public Xomw_atr_mgr Add(byte[] key, byte[] val) {
		this.Add(new Xomw_atr_itm(-1, key, val));
		return this;
	}
	public void Add_or_set(Xomw_atr_itm src) {
		Xomw_atr_itm trg = (Xomw_atr_itm)hash.Get_by(src.Key_bry());
		if (trg == null)
			this.Add(src);
		else
			trg.Val_(src.Val());
	}
	public void Set(byte[] key, byte[] val) {
		Xomw_atr_itm atr = Get_by_or_make(key);
		atr.Val_(val);
	}
	public Xomw_atr_itm Get_by_or_make(byte[] k) {
		Xomw_atr_itm rv = (Xomw_atr_itm)hash.Get_by(k);
		if (rv == null) {
			rv = new Xomw_atr_itm(-1, k, null);
			Add(rv);
		}
		return rv;
	}
	public byte[] Get_val_or_null(byte[] k) {
		Xomw_atr_itm atr = (Xomw_atr_itm)hash.Get_by(k);
		return atr == null ? null : atr.Val();
	}
	public Xomw_atr_mgr Add_many(String... kvs) {// TEST
		int len = kvs.length;
		for (int i = 0; i < len; i += 2) {
			byte[] key = Bry_.new_u8(kvs[i]);
			byte[] val = Bry_.new_u8(kvs[i + 1]);
			Add(key, val);
		}
		return this;
	}
	public String To_str(Bry_bfr tmp) { // TEST
		int len = this.Len();
		for (int i = 0; i < len; i++) {
			Xomw_atr_itm itm = this.Get_at(i);
			tmp.Add(itm.Key_bry()).Add_byte_eq();
			tmp.Add(itm.Val()).Add_byte_nl();
		}
		return tmp.To_str_and_clear();
	}
}