// Copyright (c) 2003-2009 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:

//

/**

 @file

 @internalComponent

*/

#ifndef DBACCESS_H

#define DBACCESS_H

#include "dbdef.h"

namespace

	{

	// Used to process Hidden and ReadOnly records.

	// We can't simply set ReadOnly / Hidden columns to their values.

    // We must intercept these columns, examine their values, and set

	// the record state.

	const TPtrC KHidden(COMMDB_HIDDEN); // field

	const TPtrC KReadOnly(COMMDB_READ_ONLY); // field

	const TPtrC KTrueVal(TRUE_VAL); // TRUE

	}

class LinkByTagResolver;

class DBAccess : public CBase

/**

@internalComponent

*/

	{

	public:

	    //not allowing implicit conversions...

		explicit DBAccess(const TBool aXML);

		~DBAccess();

		// access

		GLDEF_C void InitCommsdatL();

		GLDEF_C void Close();

		GLDEF_C void MaybeBeginTransactionL();

		GLDEF_C TInt CommitTransaction();

		GLDEF_C void CloseTable();

		GLDEF_C TInt CommitChanges();

		// miscellaneous

		GLDEF_C void SetFieldCount(TInt fields)	{ FieldCountExpected = fields; }

		GLDEF_C TInt GetFieldCount()			{ return FieldCountExpected; }

		GLDEF_C TVersion Version()				{ return dbVersion; }

		GLDEF_C TInt ErrorCode()				{ return iLastError; }

		GLDEF_C TPtrC ErrorText()				{ return LastErrorMessage; }

		GLDEF_C TInt GetActualFieldCount()     { return iColCount; }

		GLDEF_C void CheckElementValidity(TBool aToggle)     { iValidityChecking = aToggle; }

		GLDEF_C TBool IsNameSet()				{ return iNameSet; }

		GLDEF_C TInt  GetRecordCount()			{ return iRecordCount; }

		GLDEF_C void  RecordIsTemplate(TBool aIsTemplate);

		GLDEF_C void SetCommitIndividualRecords(TBool aValue)

			{

			iCommitIndividualRecords = aValue;

			}

		GLDEF_C TBool CommitIndividualRecords() const

			{

			return iCommitIndividualRecords;

			}

		//new

		enum TCreateType

			{

			ECreateNew,

			ECreateInsert,

			EInsert

			};

		GLDEF_C void CreateOrInsertRecordL(TCreateType aType,TMDBElementId aRecordElementId, TInt aRecordId);

		GLDEF_C void RemoveRecord(TInt aPos);

		GLDEF_C TInt SetColAndAttribL(TPtrC& aColumn,TPtrC& aSetting);

		GLDEF_C TBool ConvertEnumsL(CMDBElement* aPtrField, TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertMiscEnums(CMDBElement* aPtrField, TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertModemEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertGPRSEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertCDMAEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertConnectionPrefEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertISPEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertPANEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

        GLDEF_C TBool ConvertLinkRecords(CMDBElement* aPtrField, TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

        GLDEF_C TBool CheckLegacyLinkRecords(TPtrC& aColumn,TPtrC& aSetting);

		GLDEF_C TBool SetLinkedRecord(TUint32 aIndex, CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertAccessPointEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertIapPrioritySelectionPolicyEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

		GLDEF_C TBool ConvertApPrioritySelectionPolicyEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

#endif // SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

		GLDEF_C void DoInitAndAddL(CCDRecordBase* aNewRecord,TInt aRecordId);

		GLDEF_C void InitAndAddL(CCDRecordBase* aNewRecord,TInt aRecordId);

		GLDEF_C void SaveTableProtection(CMDBRecordSetBase* aRecordSet);

		GLDEF_C TBool AssignFieldValuesL(TPtrC& aColumn,TInt aTempType,CMDBElement* aPtrField,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TInt ConvertSpecialCharsL(TInt aTempType,CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertWAPEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C void RemoveCurrentRecord();

		GLDEF_C CMDBRecordBase* GetCurrentRecord();

		GLDEF_C TBool IsConnectionPrefValid(CCDConnectionPrefsRecord& aConnectionPrefRecord);

		GLDEF_C TUint32 FindTableIdL(TDesC& aTableName);

        GLDEF_C TBool CheckBearer(CMDBElement* aPtrField,TPtrC aSetting);

		GLDEF_C TBool ConvertWLANEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertEAPSecEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C TBool ConvertTUNEAPSecEnums(CMDBElement* aPtrField,TPtrC& aColumn,TPtrC& aSetting,TMDBAttributeFlags aAttribute);

		GLDEF_C void SetInAppendMode(TBool aInAppendMode)	{ iInAppendMode = aInAppendMode; }

		GLDEF_C TBool TemplateFieldPresentL(TMDBElementId aElementId);

		GLDEF_C void SetLinkByTagResolver(LinkByTagResolver* aResolver)	{ iLnkByTagRes = aResolver; }

		GLDEF_C void RemoveLinkByTagResolver()	{ iLnkByTagRes = NULL; }

		//This function is a getter/setter

		GLDEF_C TBool& CfgXmlSetting()	{ return iIsXML; }

		GLDEF_C void SetMeshProcessing(TBool aIsMeshProcessing)	{ iIsMeshFileProcessing = aIsMeshProcessing; }

	private:

		// intermediate data structures

		TInt ColCount;									// amount of columns to update

		COLATTRIBUTES TargetCols[MAX_DB_COLUMNS];		// data for columns to update

		TBool iSecure;

		TBool iIsTemplate;

		TBool iConfusingTemplateBehaviour;

		TBool iNameSet;

		TBool iCommitIndividualRecords;	// for special tables have to commit each record individually, else one duplicate will rollback all edits

		TBool iIsMeshFileProcessing;

		// miscellaneous

		TUint32 access;									// access bitmask on a table

		TVersion dbVersion;								// version of the database

		TInt iLastError;								// ret value of last call

		TPtrC LastErrorMessage;							// associated message if any

		TInt FieldCountExpected;						// amount of field updates expected

		TMDBElementId iTableId;

		CMDBRecordSetBase* iTable;

		CMDBSession* iDbSession;

		TInt iRecordCount;

		TUint32 iRecordId;

		TInt iColCount;

		TBool iValidityChecking;

		TInt i2000PacketServiceTable;

		RPointerArray<CMDBRecordSetBase> iRecordSetHolder;

		GLDEF_C TInt Evaluate(TInt err);				// determines if there's been an error

		TBool iInAppendMode;

		TBool iIsXML;

		//the class USES this pointer and doesn't own it!!!

		LinkByTagResolver* iLnkByTagRes;

	};

#endif