diff -r 9ca650050cf0 -r c22eff170fac imgtools/imglib/symbolutil/symbolgenerator.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/symbolutil/symbolgenerator.h	Mon Nov 22 10:56:31 2010 +0800
@@ -0,0 +1,94 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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 __SYMBOLGENERATOR_H__
+#define __SYMBOLGENERATOR_H__
+#include <queue>
+#include <string>
+#include <fstream>
+using namespace std;
+#include <boost/thread/thread.hpp>
+#include <boost/thread/condition.hpp>
+#include "symbolprocessunit.h"
+
+
+enum TSymbolType {
+	ESymCommon = 0,
+	ESymBsym ,
+};
+enum TImageType {
+	ERomImage = 0,
+	ERofsImage,
+	EUnknownType,
+};
+
+
+class SymbolGenerator : public boost::thread {
+    public:
+        static SymbolGenerator* GetInstance();
+        static void Release();
+        void SetSymbolFileName( const string& fileName );
+        void AddFile( const string& fileName, bool isExecutable );
+	void AddEntry(const TPlacedEntry& aEntry);
+        bool HasFinished()	{ return iFinished; }
+        void SetFinished();
+        bool IsEmpty() { return iQueueFiles.empty(); }
+        void LockOutput() { iOutputMutex.lock(); }
+        void UnlockOutput() { iOutputMutex.unlock(); }
+        TPlacedEntry GetNextPlacedEntry();
+        ofstream& GetOutputFileStream() { return iSymFile; };
+        void AppendMapFileInfo(MapFileInfo& aMapFileInfo) { iMapFileInfoSet.push_back(aMapFileInfo); }
+        void FlushSymbolFileContent();
+	void SetImageType(TImageType aImageType) {	iImageType = aImageType; };
+	TImageType GetImageType() {	return iImageType; };
+    private:
+        SymbolGenerator();
+        ~SymbolGenerator();
+        static void thrd_func();
+
+        queue<TPlacedEntry> iQueueFiles;
+        boost::mutex iMutex;
+        boost::mutex iOutputMutex;
+        static boost::mutex iMutexSingleton;
+        static SymbolGenerator* iInst;
+        boost::condition_variable iCond;
+        bool iFinished;
+        TSymbolType iSymbolType;
+	TImageType iImageType;
+
+        ofstream iSymFile;
+        MapFileInfoSet iMapFileInfoSet;
+};
+class SymbolWorker{
+public:
+	SymbolWorker();
+	~SymbolWorker();
+	void operator()();
+private:
+};
+class PageCompressWorker {
+public:
+	PageCompressWorker(TCompressedHeaderInfo* aHeaderInfo, char* aChar);
+	~PageCompressWorker();
+	void operator()();
+	static TCompressedHeaderInfo * pHeaderInfo;
+	static int currentPage;
+	static boost::mutex m_mutex;
+	static int m_error;
+	static char* iChar;
+};
+#endif