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69 lines
2.8 KiB
69 lines
2.8 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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import gplx.core.strings.*;
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public class GfmlDocPos implements CompareAble {
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public String Path() {if (path == null) MakePath(); return path;} private String path;
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public int compareTo(Object obj) {
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/* Same: same coord (ex: 0_1 = 0_1)
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More: higher level (ex: 0_1 > 0_1_0) or higher idx (ex: 0_1 > 0_2)
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Less: lower level (ex: 0_1 < 0) or lower idx (ex: 0_1 < 0_0) */
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GfmlDocPos comp = (GfmlDocPos)obj;
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for (int i = 0; i < ary.length; i++) {
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if (i >= comp.ary.length) return CompareAble_.More; // more ary than comp and whatever ary they share are equal; must be more;
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int origVal = ary[i];
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int compVal = comp.ary[i];
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if (origVal == compVal) continue; // indexes are equal; continue to next
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else if (origVal < compVal) return CompareAble_.Less;
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else if (origVal > compVal) return CompareAble_.More;
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}
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if (ary.length < comp.ary.length) return CompareAble_.Less; // less ary than comp, and whatever ary they share are equal; must be less
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return Int_.Compare(idx, comp.idx); // compare idx
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}
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public GfmlDocPos NewClone() {return new GfmlDocPos(ary, idx);}
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public GfmlDocPos NewDown(int newIdx) {
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int oldLen = ary.length;
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int[] newAry = new int[oldLen + 1];
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for (int i = 0; i < oldLen; i++)
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newAry[i] = ary[i];
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newAry[oldLen] = idx;
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return new GfmlDocPos(newAry, newIdx);
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}
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public GfmlDocPos NewUp() {
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int oldLen = ary.length; if (oldLen == 0) return GfmlDocPos_.Null;
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int[] newAry = new int[oldLen - 1];
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for (int i = 0; i < oldLen - 1; i++)
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newAry[i] = ary[i];
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int newIdx = ary[oldLen - 1];
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return new GfmlDocPos(newAry, newIdx);
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}
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@Override public String toString() {return path;} public String To_str() {return path;}
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void MakePath() {
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String_bldr sb = String_bldr_.new_();
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for (int i = 0; i < ary.length; i++) {
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sb.Add(ary[i]);
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sb.Add("_");
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}
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sb.Add(idx);
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path = sb.To_str();
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}
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int[] ary; int idx;
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@gplx.Internal protected GfmlDocPos(int[] ary, int idx) {this.ary = ary; this.idx = idx;}
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}
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class GfmlDocPos_ {
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public static final GfmlDocPos Null = new GfmlDocPos(new int[0], -1);
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public static final GfmlDocPos Root = new GfmlDocPos(new int[0], 0);
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} |