--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/aknlayoutcompiler/inc/CoreParser.h	Thu Dec 17 09:14:18 2009 +0200
@@ -0,0 +1,125 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+#ifndef COREPARSER_H
+#define COREPARSER_H
+
+#include <string>
+#include <vector>
+#include <deque>
+
+class Parser;
+
+class ParseResult
+	{
+public:
+	ParseResult();
+	static ParseResult Fail();
+
+	bool Matched() const;
+
+public:
+	int iRuleId;
+	int iStart;
+	int iEnd;
+	std::deque<ParseResult> iChildren;
+	};
+
+
+class Parser
+	{
+public:
+	Parser(const char* aMatch);
+	static Parser EOS();
+	static Parser Int();
+	static Parser Real();
+	static const Parser& Nul();
+
+	ParseResult Parse(const std::string& aString) const;
+
+	int Id() const;
+	void SetId(int aId);
+
+	Parser();
+	Parser(const Parser& aOther);
+	~Parser();
+	const Parser& operator=(const Parser& aOther);
+
+private:
+	friend Parser operator|(const Parser& aFirst, const Parser& aRest);
+	friend Parser operator>>(const Parser& aFirst, const Parser& aRest);
+	friend Parser operator*(const Parser& aSub);
+
+	enum T0Op
+		{
+		EExact,
+		EEos,
+		EInt,
+		EReal,
+		ENul,
+		ELast0
+		};
+	enum T1Op
+		{
+		EMult = ELast0,
+		ELast1
+		};
+	enum T2Op
+		{
+		ESeq = ELast1,
+		EAlt
+		};
+
+	Parser(T0Op aOp);
+	Parser(T1Op aOp, const Parser& aSub);
+	Parser(T2Op aOp, const Parser& aFirst, const Parser& aRest);
+
+	struct Step
+		{
+		Step(const Parser* aRule, int aPos, int aParent)
+			: iRule(aRule), iStep(0), iPos(aPos), iParent(aParent)
+			{
+			iResult.iStart = aPos;
+			}
+		const Parser* iRule;
+		int iStep;
+		ParseResult iResult;
+		int iPos;
+		int iParent;
+		};
+
+	enum TMatchRes
+		{
+		EFail,
+		EPass,
+		EContinue
+		};
+
+	TMatchRes ParseStep(int aStep, const std::string& aString, int aPos, std::vector<Step>& aStack) const;
+
+private:
+	int iOp;
+	const char* iMatch;
+	const Parser* iSub1;
+	const Parser* iSub2;
+	int iId;
+	};
+
+Parser operator|(const Parser& aFirst, const Parser& aRest);
+Parser operator>>(const Parser& aFirst, const Parser& aRest);
+//Parser operator*(const Parser& aSub);
+
+#endif