apengine/apeng/src/ApEngineCommons.cpp
changeset 66 ed07dcc72692
parent 0 5a93021fdf25
--- a/apengine/apeng/src/ApEngineCommons.cpp	Fri Sep 17 08:32:43 2010 +0300
+++ b/apengine/apeng/src/ApEngineCommons.cpp	Mon Oct 04 00:43:42 2010 +0300
@@ -38,8 +38,6 @@
 
 void ApCommons::Panic( TApEnginePanicCodes aPanic )
     {
-    _LIT( kApSet, "APEngine" ) ;
-    User::Panic( kApSet, aPanic ) ;
     }
 
 
@@ -49,34 +47,7 @@
 //
 TBool ApCommons::StartPushedTransactionLC( CCommsDatabase& aDb, TBool aRetry )
     {
-    CLOG( ( ETransaction, 0, 
-            _L( "-> ApCommons::StartPushedTransactionLC" ) ) );
-
-    TBool retval( EFalse );
-    if ( !aDb.InTransaction() )
-        {
-        TInt retriesLeft( aRetry ? KRetryCount : 1 );
-        TInt err = aDb.BeginTransaction();
-        while ( ( ( err == KErrLocked ) || ( err == KErrAccessDenied ) )
-                && --retriesLeft )
-            {
-            User::After( KRetryWait );
-            err = aDb.BeginTransaction();
-            }
-        User::LeaveIfError( err );
-        CleanupStack::PushL
-                (
-                TCleanupItem( ApCommons::RollbackTransactionOnLeave, &aDb )
-                );
-        retval = ETrue;
-        }
-    else
-        {
-        retval = EFalse;
-        }
-    CLOG( ( ETransaction, 1, 
-            _L( "<- ApCommons::StartPushedTransactionLC" ) ) );
-    return retval;
+    return EFalse;
     }
 
 
@@ -87,14 +58,6 @@
 //
 void ApCommons::RollbackTransactionOnLeave( TAny* aDb )
     {
-    CLOG( ( ETransaction, 0, 
-            _L( "-> ApCommons::RollbackTransactionOnLeave" ) ) );
-    
-    CCommsDatabase* db = STATIC_CAST( CCommsDatabase*, aDb );
-    db->RollbackTransaction();
-
-    CLOG( ( ETransaction, 1, 
-            _L( "<- ApCommons::RollbackTransactionOnLeave" ) ) );
     }
 
 
@@ -113,99 +76,7 @@
                             TBool aIsNew
                             )
     {
-    CLOG( ( ECommons, 0, _L( "-> ApCommons::DoMakeValidNameL" ) ) );
-
-    aChanged = EFalse;
-    HBufC* temp = HBufC::NewLC( KApMaxConnNameLength );
-    HBufC* temp2 = HBufC::NewLC( KApMaxConnNameLength );
-
-    HBufC* corrname = ApCommons::EnsureMaxLengthLC( aName, aChanged );
-    *temp = *corrname;
-    TInt postfix( 0 );
-    TInt pf( 0 );
-    TInt i( 0 );
-    TBool valid ( EFalse );
-
-    TPtrC prefix = ApCommons::GetPrefix( *corrname );
-    
-    CApUtils* utils = CApUtils::NewLC( aDb );
-
-    if ( aIsNew )
-        {
-        aUid = 0;
-        }
-
-    postfix = GetPostfix( *temp, prefix );
-    postfix = -1;
-    do
-        {       
-        valid = utils->IsValidNameL( *temp, aUid );
-        if ( !valid )
-            {
-            aChanged = ETrue;
-            postfix++;
-            // check the length of postfix, check text length accordingly
-            pf = postfix;
-            for (i=1; i<10; i++)
-                {
-                pf /= 10;
-                if ( !pf )
-                    break;
-                }
-            TPtr sgdptr( temp->Des() );
-            TPtr sgdptr2( temp2->Des() );
-            if ( postfix )
-                {
-                if ( postfix < 10 )
-                    {
-                    sgdptr2 = prefix.Left( KApMaxConnNameLength - i - 3 );
-                    }
-                else
-                    {
-                    sgdptr2 = prefix.Left( KApMaxConnNameLength - i - 2 );
-                    }
-                }
-            else
-                {
-                sgdptr2 = prefix.Left( KApMaxConnNameLength );
-                }
-            if ( postfix )
-                {
-                if ( postfix > 9 )
-                    {
-                    sgdptr.Format( KFormatLargePostfix, &sgdptr2,
-                                       postfix );
-                    }
-                else
-                    {
-                    sgdptr.Format( KFormatPostfix, &sgdptr2,
-                                       postfix );
-                    }
-                }
-            else
-                {
-                sgdptr.Format( KFormatNoPostfix, &sgdptr2 );
-                }
-            }
-        } while ( !valid );
-
-    CleanupStack::PopAndDestroy( utils );
-    CleanupStack::PopAndDestroy( corrname );
-    CleanupStack::PopAndDestroy( temp2 );
-
-    if ( aChanged )
-        {
-        CleanupStack::Pop( temp );
-        }
-    else
-        {
-        CleanupStack::PopAndDestroy( temp );
-        temp = NULL;
-        }
-
-    CLOG( ( ECommons, 1, _L( "<- ApCommons::DoMakeValidNameL" ) ) );
-
-    return temp;
+    return NULL;
     }
 
 
@@ -218,41 +89,7 @@
 //
 HBufC* ApCommons::EnsureMaxLengthLC( const TDesC* aName, TBool& aChanged )
     {
-    CLOG( ( ECommons, 0, _L( "-> ApCommons::EnsureMaxLengthLC" ) ) );
-
-    TInt length = aName->Length();
-    
-    aChanged = EFalse;
-    
-    if ( !length )
-        {
-        // Name is required.
-        User::Leave(KErrInvalidName);
-        }
-
-    HBufC* corrname;
-    if ( KApMaxConnNameLength < length )
-        { // name too long, truncate.
-        corrname = aName->Left( KApMaxConnNameLength ).AllocLC();
-        aChanged = ETrue;
-        }
-    else
-        {
-        corrname = aName->AllocLC();
-        corrname->Des().Trim();
-        if ( corrname->Length() == 0 )
-            {
-            User::Leave(KErrInvalidName);
-            }
-        // comes here only if name is valid
-        if ( corrname->Length() != aName->Length() )
-            {
-            aChanged = ETrue;
-            }
-        }
-    CLOG( ( ECommons, 1, _L( "<- ApCommons::EnsureMaxLengthLC" ) ) );
-
-    return corrname;
+    return NULL;
     }
 
 
@@ -274,22 +111,7 @@
 */
 TPtrC ApCommons::GetPrefix( const TDesC& aName )
     {
-    TPtrC prefix = aName;
-    TInt lastBrace = aName.LocateReverse('(');
-    if ( lastBrace != KErrNotFound )
-        {
-        // aName looks like "<prefix><brace><something>".
-        // See if <something> is an integer number.
-        TPtrC num = aName.Right( aName.Length() - lastBrace - 1 );
-        TInt val;
-        TLex lex( num );
-        if ( lex.Val( val ) == KErrNone )
-            {
-            // Yes, the trailer is an integer.
-            prefix.Set( aName.Left( lastBrace ) );
-            }
-        }
-    return prefix;
+    User::Leave( KErrNotSupported );
     }
 
 
@@ -306,45 +128,7 @@
 */
 TInt ApCommons::GetPostfix( const TDesC& aName, const TDesC& aPrefix )
     {
-    TInt postfix( KErrNotFound );
-    TInt nameLength = aName.Length();
-    TInt prefixLength = aPrefix.Length();
-    if ( nameLength >= prefixLength && aName.FindF( aPrefix ) == 0 )
-        {
-        // aName is longer or equal length, and
-        // aPrefix can be found in the beginning of aName.
-        if ( nameLength == prefixLength )
-            {
-            // They have the same length; they equal.
-            postfix = 0;
-            }
-        else
-            {
-            if ( aName[ prefixLength ] == '(' )
-                {
-                // (Now we know that aName is longer than aPrefix.)
-                // aName looks like "aPrefix<brace><something>".
-                // See if <something> is an integer number.
-                TPtrC num = aName.Right( nameLength - prefixLength - 1 );
-                TInt val;
-                TLex lex( num );
-                if ( lex.Val( val ) == KErrNone )
-                    {
-                    // Yes, the trailer is an integer.
-                    if ( val > 0 )
-                        {
-                        postfix = val;
-                        }
-                    else
-                        {
-                        // signal that it is invalid...
-                        postfix = -1;
-                        }
-                    }
-                }
-            }
-        }
-    return postfix;
+    return 0;
     }
 
 
@@ -361,14 +145,7 @@
                     TUint32& aValue
                     )
     {
-    __ASSERT_DEBUG( (atable), Panic( ENullPointer ) ) ;
-    TRAPD( err, atable->ReadUintL( aColumn, aValue ) );
-    if ( err != KErrNone ) 
-        { // do not leave if readed value is not present in table...
-        if ( ( err != KErrUnknown ) && ( err != KErrNotFound ) )
-            User::Leave( err );
-        }
-    return err;
+    return KErrUnknown;
     }
 
 
@@ -383,14 +160,7 @@
                     TBool& aValue
                     )
     {
-    __ASSERT_DEBUG( (atable), Panic( ENullPointer ) ) ;
-    TRAPD( err, atable->ReadBoolL( aColumn, aValue ) );
-    if ( err != KErrNone )
-        { // do not leave if readed value is not present in table...
-        if ( err != KErrUnknown )
-            User::Leave( err );
-        }
-    return err;
+    return KErrUnknown;
     }
 
 
@@ -406,18 +176,7 @@
                         TInt& aErrCode
                         )
     {
-    __ASSERT_DEBUG( (atable), Panic( ENullPointer ) ) ;
-    HBufC* value =  NULL;
-    // because of Trap, we need to call a func
-    // which pops it from the stack & push it back afterwards...
-    TRAP( aErrCode, value = ReadLongTextL( atable, aColumn ) );
-    CleanupStack::PushL( value );
-    if ( aErrCode != KErrNone )
-        { // do not leave if readed value is not present in table...
-        if ( aErrCode != KErrUnknown )
-            User::Leave( aErrCode );
-        }
-    return value;
+    return NULL;
     }
 
 
@@ -429,10 +188,7 @@
 HBufC* ApCommons::ReadLongTextL( CCommsDbTableView* atable,
                                   const TDesC& aColumn )
     {
-    __ASSERT_DEBUG( (atable), Panic( ENullPointer ) ) ;
-    HBufC* value = atable->ReadLongTextLC( aColumn );
-    CleanupStack::Pop( value );
-    return value;
+    return NULL;
     }
 
 
@@ -443,23 +199,7 @@
 //
 HBufC* ApCommons::EscapeTextLC( const TDesC& aLiteral )
     {
-    TInt l( aLiteral.Length() );
-    //> 2*, to ensure correct esc. even if ALL chars are quotes...
-    HBufC* retbuf = HBufC::NewLC( 2*l );
-    TPtr ret = retbuf->Des();
-    TUint quote( '\'' );  // TChar gives warnings in THUMB & ARMI
-    TInt i( 0 );
-
-    for( i=0; i<l; i++ )
-        {
-        ret.Append( aLiteral[i] );
-        if ( aLiteral[i] == quote )
-            {
-            // Duplicate quote.
-            ret.Append( quote );
-            }
-        }
-    return retbuf;
+    return NULL;
     }
 
 
@@ -471,20 +211,7 @@
 HBufC16* ApCommons::ReadText16ValueLC( CCommsDbTableView* atable,
                                  const TDesC& aCol )
     {
-    // Second variant, if always keeping mem usage to minimum.
-    // This case code is a bit slower and more 'complicated'.
-    // First version simpler, faster, less chance for errors
-    // (e.g. if memory is exhausted, can not even create object
-    // that may not be able to hold the values.
-    __ASSERT_DEBUG( (atable), Panic( ENullPointer ) ) ;
-
-    TInt aLength(0);
-    atable->ReadColumnLengthL(aCol, aLength);
-
-    HBufC* buf = HBufC::NewLC(aLength);
-    TPtr ptr( buf->Des() );
-    atable->ReadTextL(aCol, ptr);
-    return buf;
+    return NULL;
     }
 
 
@@ -495,14 +222,7 @@
 HBufC8* ApCommons::ReadText8ValueLC( CCommsDbTableView* atable,
                                  const TDesC& aCol )
     {
-    __ASSERT_DEBUG( (atable), Panic( ENullPointer ) ) ;
-    TInt aLength(0);
-    atable->ReadColumnLengthL(aCol, aLength);
-
-    HBufC8* buf = HBufC8::NewLC(aLength);
-    TPtr8 ptr( buf->Des() );
-    atable->ReadTextL(aCol, ptr);
-    return buf;
+    return NULL;
     }
 
 
@@ -512,7 +232,7 @@
 //
 TBool ApCommons::DoGetReadOnlyL( CCommsDbTableView& aTable )
     {
-    return CApProtHandler::GetProtectionStateL( aTable );
+    return EFalse;
     }
 
 
@@ -523,10 +243,7 @@
 //
 TInt ApCommons::CommitTransaction( CCommsDatabase& aDb )
     {
-    CLOG( ( ETransaction, 0, _L( "-> ApCommons::CommitTransaction" ) ) );
-    TInt err = aDb.CommitTransaction();
-    CLOG( ( ETransaction, 1, _L( "<- ApCommons::CommitTransaction" ) ) );
-    return err;
+    return KErrNotSupported;
     }
 
 
@@ -538,16 +255,7 @@
 //
 TInt ApCommons::GetVariantL()
     {
-    CLOG( ( ETransaction, 0, _L( "-> ApCommons::GetVariantL" ) ) );
-    TInt variant( 0 );
-    // Connecting and initialization:
-    CRepository* repository = CRepository::NewL( KCRUidApEngineLV );
-    repository->Get( KApEngineLVFlags, variant );
-    delete repository;
-
-    CLOG( ( ETransaction, 1, _L( "<- ApCommons::GetVariantL" ) ) );
-
-    return variant;
+    return 0;
     }
 
 
@@ -559,12 +267,7 @@
 TInt ApCommons::IsGivenSharedDataSupportL( const TUid aUid, 
                                            const TUint32 aKey )
     {
-    TInt value( 0 );
-    // Connecting and initialization:
-    CRepository* repository = CRepository::NewL( aUid );
-    repository->Get( aKey, value );
-    delete repository;
-    return value;    
+    return 0;    
     }