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81 lines
3.2 KiB
Java
81 lines
3.2 KiB
Java
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/*
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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.langs.jsons; import gplx.*; import gplx.langs.*;
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public class Json_ary extends Json_itm_base implements Json_grp {
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public Json_ary(int src_bgn, int src_end) {this.Ctor(src_bgn, src_end);}
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@Override public byte Tid() {return Json_itm_.Tid__ary;}
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public void Src_end_(int v) {this.src_end = v;}
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@Override public Object Data() {return null;}
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@Override public byte[] Data_bry() {return null;}
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public int Len() {return subs_len;} private int subs_len = 0, subs_max = 0;
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public Json_nde Get_at_as_nde(int i) {
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Json_itm rv = subs[i]; if (rv.Tid() != Json_itm_.Tid__nde) throw Err_.new_("json", "itm is not nde", "type", rv.Tid(), "i", i);
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return (Json_nde)rv;
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}
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public Json_itm Get_at(int i) {return subs[i];}
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public Json_nde Get_as_nde(int i) {return Json_nde.cast(subs[i]);}
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public Json_ary Add_many(Json_itm... ary) {
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int len = ary.length;
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for (int i = 0; i < len; i++)
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Add(ary[i]);
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return this;
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}
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public void Add(Json_itm itm) {
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int new_len = subs_len + 1;
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if (new_len > subs_max) { // ary too small >>> expand
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subs_max = new_len * 2;
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Json_itm[] new_subs = new Json_itm[subs_max];
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Array_.Copy_to(subs, 0, new_subs, 0, subs_len);
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subs = new_subs;
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}
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subs[subs_len] = itm;
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subs_len = new_len;
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}
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@Override public void Print_as_json(Bry_bfr bfr, int depth) {
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if (subs_len == 0) { // empty grp; print on one line (rather than printing across 3)
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bfr.Add_byte(Byte_ascii.Brack_bgn).Add_byte(Byte_ascii.Brack_end);
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return;
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}
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bfr.Add_byte_nl();
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Json_grp_.Print_indent(bfr, depth);
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bfr.Add_byte(Byte_ascii.Brack_bgn).Add_byte(Byte_ascii.Space);
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for (int i = 0; i < subs_len; i++) {
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if (i != 0) {
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Json_grp_.Print_nl(bfr); Json_grp_.Print_indent(bfr, depth);
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bfr.Add_byte(Byte_ascii.Comma).Add_byte(Byte_ascii.Space);
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}
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subs[i].Print_as_json(bfr, depth + 1);
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}
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Json_grp_.Print_nl(bfr); Json_grp_.Print_indent(bfr, depth);
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bfr.Add_byte(Byte_ascii.Brack_end).Add_byte_nl();
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}
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public byte[][] Xto_bry_ary() {
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if (subs_len == 0) return Bry_.Ary_empty;
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byte[][] rv = new byte[subs_len][];
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for (int i = 0; i < subs_len; ++i)
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rv[i] = subs[i].Data_bry();
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return rv;
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}
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private Json_itm[] subs = Json_itm_.Ary_empty;
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public static Json_ary cast_or_null(Json_itm v) {return v == null || v.Tid() != Json_itm_.Tid__ary ? null : (Json_ary)v;}
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public static Json_ary cast(Json_itm v) {
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if (v == null || v.Tid() != Json_itm_.Tid__ary) throw Err_.new_("json", "itm is not array");
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return (Json_ary)v;
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}
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}
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