--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/src/error.h	Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,73 @@
+// error.h
+// 
+// Copyright (c) 2008 - 2010 Accenture. All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the "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:
+// Accenture - Initial contribution
+//
+
+
+#ifndef __ERROR_H__
+#define __ERROR_H__
+
+#include <e32base.h>
+
+class RIoWriteHandle;
+namespace IoUtils
+	{
+	class CEnvironment;
+	}
+
+
+class TError
+	{
+public:
+	enum TReason
+		{
+		EUnknown,
+		EFailedToCreatePipeLine,
+		EFailedToConstructCommand,
+		EFailedToRunCommand,
+		EFailedToSetChildErrorVar,
+		ECommandError,
+		EFailedToSetScriptLineVar,
+		};
+public:
+	TError(RIoWriteHandle& aStderr, IoUtils::CEnvironment& aEnv);
+	void Set(const TError& aError);
+	void Set(TInt aError, TReason aReason);
+	void Set(TInt aError, TReason aReason, TRefByValue<const TDesC> aFmt, ...);
+	void Report() const;
+	TInt Error() const;
+	TReason Reason() const;
+	const TDesC* Context() const;
+	const TDesC& ScriptFileName() const;
+	TInt ScriptLineNumber() const;
+private:
+	void Format(TRefByValue<const TDesC> aFmt, ...);
+	void FormatList(TRefByValue<const TDesC> aFmt, VA_LIST& aList);
+	void LogIfRequired(TInt aError, TReason aReason, TRefByValue<const TDesC> aFmt, ...);
+	void LogListIfRequired(TInt aError, TReason aReason, TRefByValue<const TDesC> aFmt, VA_LIST& aList);
+	const TDesC* StringifyReason(TReason aReason) const;
+	TBool Verbose() const;
+	void NewLine() const;
+	void PrintError() const;
+	void FormatError(TRefByValue<const TDesC> aFmt, ...) const;
+private:
+	RIoWriteHandle* iStderr;
+	IoUtils::CEnvironment* iEnv;
+	TInt iError;
+	TReason iReason;
+	TBool iSet;
+	TBuf<256> iContext;
+	mutable TBuf<512> iScratch;
+	TFileName iScriptFileName;
+	TInt iScriptLineNumber;
+	};
+
+
+#endif // __ERROR_H__