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60 lines
2.6 KiB
60 lines
2.6 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx;
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public class KeyValHash {
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private Ordered_hash hash = Ordered_hash_.New();
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public int Count() {return hash.Count();}
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public KeyValHash Clear() {hash.Clear(); return this;}
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public boolean Has(String key) {return hash.Has(key);}
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public KeyVal Get_at(int i) {return (KeyVal)hash.Get_at(i);}
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public Object FetchValOr(String key, Object or) {KeyVal rv = FetchOrNull(key); return rv == null ? or : rv.Val();}
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public Object FetchValOrNull(String key) {return FetchValOr(key, null);}
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public Object FetchValOrFail(String key) {return KeyVal_.as_(hash.Get_by_or_fail(key)).Val();}
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public KeyValHash Add(KeyVal kv) {hash.Add(kv.Key(), kv); return this;}
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public KeyValHash Add(String key, Object val) {hash.Add(key, KeyVal_.new_(key, val)); return this;}
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public KeyValHash Add_if_dupe_use_nth(String key, Object val) {hash.Add_if_dupe_use_nth(key, KeyVal_.new_(key, val)); return this;}
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public void Del(String key) {hash.Del(key);}
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public KeyVal[] Xto_bry() {
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KeyVal[] rv = new KeyVal[this.Count()];
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for (int i = 0; i < rv.length; i++)
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rv[i] = this.Get_at(i);
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return rv;
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}
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public static KeyValHash new_() {return new KeyValHash();} protected KeyValHash() {}
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public static KeyValHash new_by_ary(KeyVal[] ary) {
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int ary_len = ary.length;
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KeyValHash rv = new KeyValHash();
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for (int i = 0; i < ary_len; i++)
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rv.Add(ary[i]);
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return rv;
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}
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public KeyVal FetchOrNull(String key) {return KeyVal_.as_(hash.Get_by(key));}
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public static KeyValHash strAry_(String[] ary) {// needed for consoleLine
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int aryLen = Array_.Len(ary); if (aryLen % 2 != 0) throw Err_.new_wo_type("array length must be divisible by 2", "aryLen", aryLen, "ary", String_.Concat_lines_crlf(ary));
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KeyValHash rv = new KeyValHash();
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String key = null;
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for (int i = 0; i < aryLen; i++) {
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if (i % 2 == 0)
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key = ary[i];
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else
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rv.Add(key, ary[i]);
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}
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return rv;
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}
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public static final KeyValHash Empty = new KeyValHash();
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} |