/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012-2017 gnosygnu@gmail.com
XOWA is licensed under the terms of the General Public License (GPL) Version 3,
or alternatively under the terms of the Apache License Version 2.0.
You may use XOWA according to either of these licenses as is most appropriate
for your project on a case-by-case basis.
The terms of each license can be found in the source code repository:
GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
*/
package gplx.core.criterias; import gplx.*; import gplx.core.*;
public class Criteria_fld implements Criteria {
Criteria_fld(String pre, String key, Criteria crt) {this.pre = pre; this.key = key; this.crt = crt;}
public byte Tid() {return Criteria_.Tid_wrapper;}
public String Pre() {return pre;} private final String pre;
public String Key() {return key;} private final String key;
public Criteria Crt() {return crt;} private final Criteria crt;
public String Pre_w_key() {return pre == Pre_null ? key : String_.Concat(pre, ".", key);}
public void Val_as_obj_(Object v) {throw Err_.new_unimplemented();}
public void Val_from_args(Hash_adp args) {
List_adp list = (List_adp)args.Get_by(key); if (list == null) throw Err_.new_wo_type("criteria.fld key not found", "key", key);
Object o = Fill_val(key, crt.Tid(), list);
crt.Val_as_obj_(o);
}
public boolean Matches(Object invkObj) {
Gfo_invk invk = (Gfo_invk)invkObj;
if (key == Criteria_fld.Key_null) return crt.Matches(invkObj);
Object comp = Gfo_invk_.Invk_by_key(invk, this.Pre_w_key());
return crt.Matches(comp);
}
public String To_str() {return String_.Concat(key, " ", crt.To_str());}
public static final String Key_null = null, Pre_null = null;
public static Criteria_fld as_(Object obj) {return obj instanceof Criteria_fld ? (Criteria_fld)obj : null;}
public static Criteria_fld new_(String pre, String key, Criteria crt) {return new Criteria_fld(pre, key, crt);}
public static Criteria_fld new_(String key, Criteria crt) {return new Criteria_fld(Pre_null, key, crt);}
public static Object Fill_val(String key, byte tid, List_adp list) {
int len = list.Count();
switch (tid) {
case Criteria_.Tid_eq:
case Criteria_.Tid_comp:
case Criteria_.Tid_like:
case Criteria_.Tid_iomatch:
if (len != 1) throw Err_.new_wo_type("list.len should be 1", "key", key, "tid", tid, "len", len);
return list.Get_at(0);
case Criteria_.Tid_between:
if (len != 2) throw Err_.new_wo_type("list.len should be 2", "key", key, "tid", tid, "len", len);
return new Object[] {list.Get_at(0), list.Get_at(1)};
case Criteria_.Tid_in:
if (len == 0) throw Err_.new_wo_type("list.len should be > 0", "key", key, "tid", tid, "len", len);
return list.To_obj_ary();
case Criteria_.Tid_const:
case Criteria_.Tid_not:
case Criteria_.Tid_and:
case Criteria_.Tid_or:
if (len != 0) throw Err_.new_wo_type("list.len should be 0", "key", key, "tid", tid, "len", len);
return key; // no values to fill in; return back key
case Criteria_.Tid_wrapper: // not recursive
case Criteria_.Tid_db_obj_ary: // unsupported
case Criteria_.Tid_custom:
default: throw Err_.new_unhandled(tid);
}
}
}