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72 lines
2.4 KiB
72 lines
2.4 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.gfml; import gplx.*;
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interface GfmlScopeItm {
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String Key();
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GfmlDocPos DocPos();
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}
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class GfmlScopeRegy {
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public boolean Has(String key) {
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GfmlScopeList list = (GfmlScopeList)hash.Get_by(key); if (list == null) return false;
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return list.Count() > 0;
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}
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public void Add(GfmlScopeItm itm) {
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GfmlScopeList list = ItmOrNew(itm.Key());
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list.Add(itm);
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}
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public void Del(GfmlScopeItm itm) {
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GfmlScopeList list = (GfmlScopeList)hash.Get_by(itm.Key()); if (list == null) return;
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list.Del(itm);
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if (list.Count() == 0) hash.Del(itm.Key());
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}
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public GfmlScopeItm Get_by(String key, GfmlDocPos pos) {
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GfmlScopeList list = (GfmlScopeList)hash.Get_by(key); if (list == null) return null;
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return list.Get_by(pos);
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}
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GfmlScopeList ItmOrNew(String key) {
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GfmlScopeList rv = (GfmlScopeList)hash.Get_by(key);
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if (rv == null) {
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rv = GfmlScopeList.new_(key);
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hash.Add(key, rv);
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}
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return rv;
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}
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Hash_adp hash = Hash_adp_.New();
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public static GfmlScopeRegy new_() {return new GfmlScopeRegy();}
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}
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class GfmlScopeList {
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public String Key() {return key;} private String key;
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public int Count() {return list.Count();}
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public void Add(GfmlScopeItm itm) {list.Add(itm);}
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public void Del(GfmlScopeItm itm) {list.Del(itm);}
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public GfmlScopeItm Get_by(GfmlDocPos pos) {
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if (list.Count() == 0) return null;
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GfmlScopeItm rv = null;
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for (Object itemObj : list) {
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GfmlScopeItm itm = (GfmlScopeItm)itemObj;
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if (CompareAble_.Is(CompareAble_.More_or_same, pos, itm.DocPos()))
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rv = itm;
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else
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break; // ASSUME: insertion is done in order; first lessThan means rest will also be lessThan
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}
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return rv;
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}
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List_adp list = List_adp_.New();
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public static GfmlScopeList new_(String key) {
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GfmlScopeList rv = new GfmlScopeList(); rv.key = key; return rv;
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} GfmlScopeList() {}
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}
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