persistentstorage/sql/SRC/Common/SqlUtil.inl
changeset 0 08ec8eefde2f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sql/SRC/Common/SqlUtil.inl	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,97 @@
+// Copyright (c) 2006-2009 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:
+//
+
+/**
+ 
+ SQL server message code maker.
+ 
+ The function accepts as arguments the server function code, handle type and handle,
+ and makes from them a 32-bit value, which is used as a function code in RMessage2 objects.
+ 
+ @param aFunction   function code
+ @param aHandleType handle type - one of TSqlSrvHandleType enum item values
+ @param aHandle     handle
+ 
+ @return The assembled from aFunction, aHandleType and aHandle message code which will be sent
+ to the SQL server.
+ 
+ @see RMessage2
+ @see TSqlSrvFunction
+ 
+ @internalComponent
+*/
+inline TInt MakeMsgCode(TSqlSrvFunction aFunction, TSqlSrvHandleType aHandleType, TInt aHandle)
+	{
+	return (aHandleType | (aHandle << KSqlSrvHandleShiftBits) | aFunction);
+	}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////                  Case insensitive string comparisons                                     ////
+////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+Used for comparing database names, table names, column names and parameter names when the text encoding is UTF8.
+
+@internalComponent
+*/
+inline TInt CompareNoCase8(const TDesC8& aLeft, const TDesC8& aRight)
+	{
+	return aLeft.CompareF(aRight);
+	}
+	
+/**
+Used for comparing database names, table names, column names and parameter names when the text encoding is UTF16.
+
+@internalComponent
+*/
+inline TInt CompareNoCase16(const TDesC16& aLeft, const TDesC16& aRight)
+	{
+	return aLeft.CompareF(aRight);
+	}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////                      Buffer alignment functions                                     /////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+Returns aLen 8-byte aligned.
+
+@param aLen Length value which needs alignment
+
+@return 8-byte aligned aLen value
+
+@internalComponent
+*/
+inline TInt AlignedLen8(TInt aLen)
+	{
+	return (aLen + 7) & (TUint32)~0x07;
+	}
+	
+#ifdef _DEBUG
+/**
+Returns true if aLen is 8-byte aligned
+The function is implemented only in _DEBUG releases.
+
+@param aLen Length value which will be checked
+
+@return True if aLen is 8-byte aligned
+
+@internalComponent
+*/
+inline TBool IsAligned8(TInt aLen)
+	{
+	return (aLen & 0x07) == 0;	
+	}
+#endif