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44 lines
2.0 KiB
44 lines
2.0 KiB
/*
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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;
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import gplx.core.primitives.*;
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public class Gfo_invk_ {
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public static final String Mutator_suffix = "_";
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public static final Gfo_invk Noop = new Gfo_invk__noop();
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public static final String_obj_val
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Rv_unhandled = String_obj_val.new_("Unhandled")
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, Rv_handled = String_obj_val.new_("Handled")
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, Rv_host = String_obj_val.new_("Host")
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, Rv_cancel = String_obj_val.new_("Cancel")
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, Rv_error = String_obj_val.new_("Error");
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public static Gfo_invk as_(Object obj) {return obj instanceof Gfo_invk ? (Gfo_invk)obj : null;}
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public static Object Invk_no_key(Gfo_invk invk) {return Invk_by_msg(invk, "", GfoMsg_.Null);}
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public static Object Invk_by_key(Gfo_invk invk, String k) {return Invk_by_msg(invk, k , GfoMsg_.Null);}
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public static Object Invk_by_val(Gfo_invk invk, String k, Object v) {return Invk_by_msg(invk, k , GfoMsg_.new_cast_(k).Add("v", v));}
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public static Object Invk_by_msg(Gfo_invk invk, String k, GfoMsg m) {
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Object rv = invk.Invk(GfsCtx.Instance, 0, k, m);
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if (rv == Gfo_invk_.Rv_unhandled) throw Err_.new_wo_type("invkable did not handle message", "key", k);
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return rv;
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}
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}
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class Gfo_invk__noop implements Gfo_invk {
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public Object Invk(GfsCtx ctx, int ikey, String k, GfoMsg m) {return this;}
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}
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