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75 lines
3.5 KiB
75 lines
3.5 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.gfml; import gplx.*;
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import gplx.core.texts.*; /*CharStream*/
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public class GfmlBldr {
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@gplx.Internal protected GfmlDoc Doc() {return gdoc;} GfmlDoc gdoc = GfmlDoc.new_();
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@gplx.Internal protected GfmlFrame CurFrame() {return curFrame;} GfmlFrame curFrame;
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@gplx.Internal protected GfmlFrame_nde CurNdeFrame() {return curNdeFrame;} GfmlFrame_nde curNdeFrame;
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@gplx.Internal protected GfmlNde CurNde() {return curNdeFrame.CurNde();}
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@gplx.Internal protected GfmlTypeMgr TypeMgr() {return typeMgr;} GfmlTypeMgr typeMgr = GfmlTypeMgr.new_();
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@gplx.Internal protected Hash_adp Vars() {return vars;} Hash_adp vars = Hash_adp_.New();
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@gplx.Internal protected int StreamPos() {return streamPos;} int streamPos;
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@gplx.Internal protected void ThrowErrors_set(boolean v) {throwErrors = v;} private boolean throwErrors = true;
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@gplx.Internal protected int PrvSymType() {return prvSymType;} @gplx.Internal protected void PrvSymType_set(int v) {prvSymType = v;} int prvSymType = GfmlNdeSymType.Null;
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@gplx.Internal protected int ChainIdNext() {return chainIdNext++;} int chainIdNext = 1;
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public GfmlDoc XtoGfmlDoc(String raw) {
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Init(raw);
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CharStream stream = CharStream.pos0_(raw);
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while (stream.AtMid()) {
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streamPos = stream.Pos(); // NOTE: streamPos is defined as just before curTkn
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GfmlTkn curTkn = curFrame.Lxr().MakeTkn(stream, 0);
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curTkn.Cmd_of_Tkn().Exec(this, curTkn);
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if (stopBldr) break;
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}
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if (!stopBldr) {
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curNdeFrame.Build_end(this, GfmlFrame_nde_.OwnerRoot_);
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if (frameStack.Count() > 0) UsrMsgs_fail(GfmlUsrMsgs.fail_Frame_danglingBgn());
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}
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if (throwErrors && gdoc.UsrMsgs().Count() > 0) throw GfmlUsrMsgs.gfmlParseError(this);
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raw = "";
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return gdoc;
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}
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void Init(String raw) {
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this.raw = raw; stopBldr = false; gdoc.Clear(); vars.Clear(); frameStack.Clear(); chainIdNext = 1;
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curNdeFrame = GfmlFrame_nde_.root_(this, gdoc.RootNde(), gdoc.RootLxr());
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curNdeFrame.NullArea_set(true);
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curFrame = curNdeFrame;
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}
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@gplx.Internal protected void Frames_push(GfmlFrame newFrame) {
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frameStack.Push(curFrame);
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curFrame = newFrame;
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if (curFrame.FrameType() == GfmlFrame_.Type_nde) curNdeFrame = GfmlFrame_nde_.as_(curFrame);
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}
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@gplx.Internal protected void Frames_end() {
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if (frameStack.Count() == 0) {
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UsrMsgs_fail(GfmlUsrMsgs.fail_Frame_danglingBgn());
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return;
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}
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GfmlFrame oldFrame = curFrame;
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curFrame = frameStack.Pop();
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oldFrame.Build_end(this, curFrame);
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if (curFrame.FrameType() == GfmlFrame_.Type_nde) curNdeFrame = GfmlFrame_nde_.as_(curFrame);
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}
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@gplx.Internal protected void UsrMsgs_fail(UsrMsg um) {
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GfmlUsrMsgs.MakeErr(this, um, raw);
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stopBldr = true;
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}
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GfmlFrameStack frameStack = GfmlFrameStack.new_(); boolean stopBldr = false; String raw = "";
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}
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