/*

* Copyright (c) 2003-2008 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:   Policy importer

*

*/

#ifndef __POLICYPATCHER_H__

#define __POLICYPATCHER_H__

#include <e32base.h>

_LIT8(KDataField, "  DATA:"); // Two preceding spaces just for indentation

_LIT8(KSpace, " ");

_LIT8(KNewLine, "\n");

_LIT8(KName, "NAME");

_LIT8(KKeyLenField, "PRIVATE_KEY_LENGTH: ");

_LIT8(KDNField, "  SUBJECT_DN_SUFFIX: ");

const TChar KBinChar = 'B';

const TChar KFormatChar = 'F';

const TInt KUndefinedOffset = -1;

class TPatchKeyArrayPtr : public TKeyArrayFix

{

public:

    inline TPatchKeyArrayPtr(TInt aOffset, TKeyCmpText aType)

    :TKeyArrayFix(aOffset, aType) {}

    inline TPatchKeyArrayPtr(TInt aOffset, TKeyCmpText aType, TInt aLength)

    :TKeyArrayFix(aOffset, aType, aLength) {}

    inline TPatchKeyArrayPtr(TInt aOffset, TKeyCmpNumeric aType)

    :TKeyArrayFix(aOffset, aType) {}

    virtual TAny* At(TInt aIndex) const;

};

class CPolicyPatchInfo : public CBase

    {

public:

    CPolicyPatchInfo();

    ~CPolicyPatchInfo();

    const TDesC8& CertSubjectName() const;

    void SetCertSubjectNameL(const TDesC8& aCertSubjectName);

    /**

     * Sets key length (in bits) of user cert.

     */

    void SetUserCertKeyLen( TInt aKeyLen );

    /**

     * Gets key length (in bits) of user cert. 

     */

    TInt UserCertKeyLen() const;

    /**

     * Verifies, that subjectname does not include not closed commas inside attributes

     */

    HBufC8* CheckSubjectNameSyntaxL(const TDesC8& aSubj);

public:

    TBuf8<KMaxFileName> iCertFileName;

    TInt iPatchOffset;

    TInt iReminderOffset;

private:

    HBufC8* iCertSubjectName;

    /**

     * Key length (in bits) of user cert. 

     */

    TInt    iUserCertKeyLen;

    };

class CPolicyPatchInfoList : public CArrayPtrFlat<CPolicyPatchInfo>

    {

public:

    CPolicyPatchInfoList(TInt aGranularity);

    ~CPolicyPatchInfoList();

    };

class CPatchData : public CBase

    {

public:

    ~CPatchData();

public:

    TInt iPatchOffset;

    TInt iReminderOffset;

    HBufC8* iData;

    };

class CPatchDataList : public CArrayPtrFlat<CPatchData>

    {

public:

    CPatchDataList(TInt aGranularity);

    ~CPatchDataList();

    };

class CPolicyPatcher : public CBase

    {

public:

    static CPolicyPatcher* NewL();

    HBufC8* PatchPolicyL(const TDesC8& aPolicyData,

                         CPolicyPatchInfoList* aPatchInfoList);

private:

    CPolicyPatcher();

    void ConstructL();

    ~CPolicyPatcher();

    void FindOffsetsL();

    HBufC8* CreateOutputL();

    HBufC8* CreatePatchDataL(const CPolicyPatchInfo* aPatchInfo);

private:

    TPtrC8 iInput;

    CPolicyPatchInfoList* iPatchInfoList;

    TBool iUserCertPatched;

    };

#endif // __POLICYPATCHER_H__