1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // CPDTextLoader class

    15 // 

    16 //

    17 

    18 #ifndef __SC_TEXTIN_H__

    19 #define __SC_TEXTIN_H__

    20 

    21 #include <s32file.h>

    22 #include "SC_Defs.h"

    23 #include "SC_Policy.h"

    24 

    25 namespace DBSC

    26 {

    27 

    28 /**

    29 This enum describes the possible statement types in a text policy file, recogizable by

    30 CPDTextLoader implementation.

    31 @internalComponent

    32 */

    33 typedef enum 

    34 	{

    35 	EStmtTEof, 

    36 	EStmtTComment, 

    37 	EStmtTBlank, 

    38 	EStmtTDatabase, 

    39 	EStmtTTable, 

    40 	EStmtTName, 

    41 	EStmtTRead, 

    42 	EStmtTWrite, 

    43 	EStmtTSchema, 

    44 	EStmtTCapability, 

    45 	EStmtTSID, 

    46 	EStmtTVID, 

    47 	EStmtTBackup,

    48 	EStmtTInvalid //Include the new enum items before "EStmtTInvalid"

    49 	} TStmtType;

    50 

    51 /**

    52 This enum describes the possible statement classes in a text policy file, recogizable by

    53 CPDTextLoader implementation.

    54 @internalComponent

    55 */

    56 typedef enum 

    57 	{

    58 	EStmtCNoData,			//Blank, Comments

    59 	EStmtCPolicyObj,		//Database, Table

    60 	EStmtCPolicyType,		//Read, Write, Schema

    61 	EStmtCPolicyItem,		//Capability, SID, VID

    62 	EStmtCBackup,			//Backup & restore

    63 	EStmtCInvalid

    64 	} TStmtClass;

    65 

    66 //Forward declaration

    67 struct TStmtProps;

    68 

    69 /**

    70 CPDTextLoader class is an implementation of MPolicyDomainLoader interface and is used

    71 for loading security policies from a text policy file. The class uses TPolicyDomainBuilder

    72 class functionality for adding loaded policies to the controlled by TPolicyDomainBuilder

    73 instance CPolicyDomain collection.

    74 @see MPolicyDomainLoader

    75 @see TPolicyDomainBuilder

    76 @see CPolicyBase::RPolicyCollection

    77 @see CPolicyDomain

    78 @internalComponent

    79 */

    80 class CPDTextLoader : public CBase, public MPolicyDomainLoader

    81 	{

    82 public:

    83 	static CPDTextLoader* NewLC(RFs& aFs, const TDesC& aTextFileName);

    84 	virtual ~CPDTextLoader();

    85 	virtual void RunL(TPolicyDomainBuilder& aPolicyDomainBuilder);

    86 

    87 private:

    88 	inline CPDTextLoader();

    89 	void ConstructL(RFs& aFs, const TDesC& aTextFileName);

    90 	TBool IsEofL();

    91 	void GetStmtPropsL(const TDesC& aStmt, TStmtProps& aStmtProps) const;

    92 	TBool TryGetStmt1Props(const TDesC& aStmt, TStmtProps& aStmtProps) const;

    93 	TBool TryGetStmt2Props(const TDesC& aStmt, TStmtProps& aStmtProps) const;

    94 	TBool LoadStmtL(TPtr& aStmt);

    95 	TStmtClass LoadNextStmtL(TStmtProps& aStmtProps);

    96 	void LoadNextStmtOfTypeL(TStmtProps& aStmtProps, TStmtType aStmtType);

    97 	const CDbPolicy* LoadDbPolicyL(TPolicyDomainBuilder& aPolicyDomainBuilder, 

    98 									 TStmtProps& aStmtProps);

    99 	void LoadTblPoliciesL(TPolicyDomainBuilder& aPolicyDomainBuilder, TStmtProps& aStmtProps, 

   100 						  const CDbPolicy* aDbPolicy);

   101 	void LoadBackupSIDL(TPolicyDomainBuilder& aPolicyDomainBuilder, TStmtProps& aStmtProps);

   102 	void LoadSecurityPoliciesL(CPolicyBase::RPolicyCollection& aPolicyColl, TStmtProps& aStmtProps);

   103 	void LoadSecurityPolicyL(TSecurityPolicy& aSecurityPolicy, TStmtProps& aStmtProps);

   104 	void GetCapabilitiesL(const TDesC& aCapabilityStr, RArray<TCapability>& aCapability) const;

   105 	TUint GetIdL(const TDesC& aStr) const;

   106 

   107 private:

   108 	RFileReadStream			iRdStream;

   109 	TBuf8<KMaxStmtLength>	iStmt8;

   110 	TBuf<KMaxStmtLength>	iStmt;

   111 	};

   112 

   113 } //end of - namespace DBSC

   114 

   115 #endif//__SC_TEXTIN_H__