You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
gnosygnu_xowa/100_core/src/gplx/List_adp_.java

56 lines
2.0 KiB

/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx;
import gplx.core.lists.*;
public class List_adp_ {
public static final List_adp Noop = new List_adp_noop();
public static List_adp New() {return new List_adp_obj();}
public static List_adp New_w_size(int v) {return new List_adp_obj(v);}
public static List_adp New_by_many(Object... ary) {
List_adp rv = new List_adp_obj();
rv.Add_many(ary);
return rv;
}
public static void Del_at_last(List_adp list) {list.Del_at(list.Count() - 1);}
public static Object Pop(List_adp list) {
int lastIdx = list.Count() - 1;
Object rv = list.Get_at(lastIdx);
list.Del_at(lastIdx);
return rv;
}
public static Object Pop_first(List_adp list) { // NOTE: dirty way of implementing FIFO queue; should not be used with lists with many members
Object rv = list.Get_at(0);
list.Del_at(0);
return rv;
}
public static Object Pop_last(List_adp list) {
int last_idx = list.Count() - 1;
Object rv = list.Get_at(last_idx);
list.Del_at(last_idx);
return rv;
}
public static Object Pop_or(List_adp list, Object or) {
int list_len = list.Count(); if (list_len == 0) return or;
int last_idx = list_len - 1;
Object rv = list.Get_at(last_idx);
list.Del_at(last_idx);
return rv;
}
public static final int Not_found = -1, Base1 = 1;
}