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77 lines
3.0 KiB
77 lines
3.0 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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class GfmlPragmaVar implements GfmlPragma {
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public String KeyOfPragma() {return pragmaKey;} public void PragmaKey_set(String v) {pragmaKey = v;} private String pragmaKey = "_var";
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public void Exec(GfmlBldr bldr, GfmlNde pragmaNde) {
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List_adp list = Compile(pragmaNde);
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ExecList(bldr.Vars(), list);
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bldr.Doc().PragmaMgr().EndCmds_add(bldr.CurNdeFrame().CurDocPos().NewUp(), GfmlPragmaVar_scopeEndCmd.new_(list));
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}
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@gplx.Internal protected List_adp Compile(GfmlNde pragmaNde) {
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List_adp list = List_adp_.New();
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for (int i = 0; i < pragmaNde.SubHnds().Count(); i++) {
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GfmlNde subNde = (GfmlNde)pragmaNde.SubHnds().Get_at(i);
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GfmlVarItm itm = CompileItmNde(subNde);
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list.Add(itm);
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}
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return list;
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}
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@gplx.Internal protected GfmlVarItm CompileItmNde(GfmlNde subNde) {
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String key = subNde.SubKeys().FetchDataOrFail("key");
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GfmlAtr valAtr = (GfmlAtr)subNde.SubKeys().Get_by("val");
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String ctx = subNde.SubKeys().FetchDataOrNull("ctx"); if (ctx == null) ctx = GfmlVarCtx_.DefaultKey;
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return GfmlVarItm.new_(key, valAtr.DatTkn(), ctx);
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}
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public GfmlType[] MakePragmaTypes(GfmlTypeMakr makr) {
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makr.MakeSubTypeAsOwner (pragmaKey);
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makr.MakeSubType ( "text", "key", "val", "ctx");
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return makr.Xto_bry();
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}
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void ExecList(Hash_adp cache, List_adp list) {
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GfmlVarCtx ctx = null;
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for (Object varObj : list) {
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GfmlVarItm var = (GfmlVarItm)varObj;
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ctx = FetchIfNew(ctx, var, cache);
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var.Scope_bgn(ctx);
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}
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}
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public static GfmlPragmaVar new_() {return new GfmlPragmaVar();} GfmlPragmaVar() {}
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public static GfmlVarCtx FetchIfNew(GfmlVarCtx ctx, GfmlVarItm var, Hash_adp cache) {// reused in two procs
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if (ctx == null || !String_.Eq(ctx.Key(), var.CtxKey()))
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ctx = GfmlVarCtx_.FetchFromCacheOrNew(cache, var.CtxKey());
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return ctx;
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}
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}
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class GfmlPragmaVar_scopeEndCmd implements GfmlBldrCmd {
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public String Key() {return "cmd:gfml.var.expire";}
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public void Exec(GfmlBldr bldr, GfmlTkn tkn) {
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Hash_adp cache = bldr.Vars();
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GfmlVarCtx ctx = null;
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for (Object varObj : list) {
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GfmlVarItm var = (GfmlVarItm)varObj;
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ctx = GfmlPragmaVar.FetchIfNew(ctx, var, cache);
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var.Scope_end(ctx);
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}
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}
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List_adp list;
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public static GfmlPragmaVar_scopeEndCmd new_(List_adp list) {
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GfmlPragmaVar_scopeEndCmd rv = new GfmlPragmaVar_scopeEndCmd();
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rv.list = list;
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return rv;
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} GfmlPragmaVar_scopeEndCmd() {}
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}
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