ncdengine/provider/src/ncdkeyvaluepair.cpp
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     1 /*
       
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:   Implementation of CNcdKeyValuePair
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <s32strm.h> 
       
    20 #include <s32mem.h>
       
    21 
       
    22 #include "ncdutils.h"
       
    23 #include "catalogsutils.h"
       
    24 #include "catalogsdebug.h"
       
    25 
       
    26 // ---------------------------------------------------------------------------
       
    27 // NewL
       
    28 // ---------------------------------------------------------------------------
       
    29 //    
       
    30 EXPORT_C CNcdKeyValuePair* CNcdKeyValuePair::NewL( const TDesC& aKey,
       
    31     const TDesC& aValue )
       
    32     {
       
    33     CNcdKeyValuePair* self = CNcdKeyValuePair::NewLC( aKey, aValue );
       
    34     CleanupStack::Pop();
       
    35     return self;
       
    36     }
       
    37     
       
    38 
       
    39 // ---------------------------------------------------------------------------
       
    40 // NewLC
       
    41 // ---------------------------------------------------------------------------
       
    42 //    
       
    43 EXPORT_C CNcdKeyValuePair* CNcdKeyValuePair::NewLC( const TDesC& aKey, 
       
    44     const TDesC& aValue )
       
    45     {
       
    46     CNcdKeyValuePair* self = new( ELeave ) CNcdKeyValuePair;
       
    47     CleanupStack::PushL( self );
       
    48     self->ConstructL( aKey, aValue );
       
    49     return self;
       
    50     }
       
    51     
       
    52     
       
    53 // ---------------------------------------------------------------------------
       
    54 // Copy creator
       
    55 // ---------------------------------------------------------------------------
       
    56 //	
       
    57 EXPORT_C CNcdKeyValuePair* CNcdKeyValuePair::NewL( 
       
    58     const MNcdKeyValuePair& aOther )
       
    59     {
       
    60     // Using normal constructor
       
    61     CNcdKeyValuePair* self = CNcdKeyValuePair::NewLC( aOther );
       
    62     CleanupStack::Pop( self );
       
    63     return self;
       
    64     }    
       
    65 
       
    66 // ---------------------------------------------------------------------------
       
    67 // Copy creator
       
    68 // ---------------------------------------------------------------------------
       
    69 //	
       
    70 EXPORT_C CNcdKeyValuePair* CNcdKeyValuePair::NewLC( 
       
    71     const MNcdKeyValuePair& aOther )
       
    72     {
       
    73     // Using normal constructor
       
    74     CNcdKeyValuePair* self = new ( ELeave ) CNcdKeyValuePair();
       
    75     CleanupStack::PushL( self );
       
    76     self->ConstructL( aOther.Key(), aOther.Value() );
       
    77     return self;
       
    78     }    
       
    79 
       
    80 
       
    81 // ---------------------------------------------------------------------------
       
    82 // NewL
       
    83 // ---------------------------------------------------------------------------
       
    84 //	
       
    85 EXPORT_C CNcdKeyValuePair* CNcdKeyValuePair::NewL( RReadStream& aStream )
       
    86     {
       
    87     CNcdKeyValuePair* self = CNcdKeyValuePair::NewLC( aStream );
       
    88     CleanupStack::Pop();
       
    89     return self;
       
    90     }
       
    91 
       
    92 
       
    93 // ---------------------------------------------------------------------------
       
    94 // NewLC
       
    95 // ---------------------------------------------------------------------------
       
    96 //	
       
    97 EXPORT_C CNcdKeyValuePair* CNcdKeyValuePair::NewLC( RReadStream& aStream )
       
    98     {
       
    99     CNcdKeyValuePair* self = new( ELeave ) CNcdKeyValuePair;
       
   100     CleanupStack::PushL( self );
       
   101     self->InternalizeL( aStream );
       
   102     return self;
       
   103     }
       
   104 
       
   105 
       
   106 // ---------------------------------------------------------------------------
       
   107 // Destructor
       
   108 // ---------------------------------------------------------------------------
       
   109 //    
       
   110 CNcdKeyValuePair::~CNcdKeyValuePair()
       
   111     {
       
   112     delete iKey;
       
   113     delete iValue;
       
   114     }
       
   115     
       
   116 
       
   117 // ---------------------------------------------------------------------------
       
   118 // Key
       
   119 // ---------------------------------------------------------------------------
       
   120 //    
       
   121 const TDesC& CNcdKeyValuePair::Key() const
       
   122     {
       
   123     DASSERT( iKey );
       
   124     return *iKey;
       
   125     }
       
   126 
       
   127 
       
   128 // ---------------------------------------------------------------------------
       
   129 // SetKeyL
       
   130 // ---------------------------------------------------------------------------
       
   131 //    
       
   132 EXPORT_C void CNcdKeyValuePair::SetKeyL( const TDesC& aKey )
       
   133     {
       
   134     if ( !aKey.Length() ) 
       
   135         {
       
   136         User::Leave( KErrArgument );
       
   137         }
       
   138         
       
   139     HBufC* temp = aKey.AllocL();
       
   140     delete iKey;
       
   141     iKey = temp;
       
   142     }
       
   143 
       
   144 
       
   145 // ---------------------------------------------------------------------------
       
   146 // Value
       
   147 // ---------------------------------------------------------------------------
       
   148 //    
       
   149 const TDesC& CNcdKeyValuePair::Value() const
       
   150     {
       
   151     DASSERT( iValue );
       
   152     return *iValue;        
       
   153     }
       
   154 
       
   155 
       
   156 // ---------------------------------------------------------------------------
       
   157 // SetValueL
       
   158 // ---------------------------------------------------------------------------
       
   159 //    
       
   160 EXPORT_C void CNcdKeyValuePair::SetValueL( const TDesC& aValue )
       
   161     {
       
   162     HBufC* temp = aValue.AllocL();
       
   163     delete iValue;
       
   164     iValue = temp;
       
   165     }
       
   166 
       
   167 
       
   168 // ---------------------------------------------------------------------------
       
   169 // Matcher
       
   170 // ---------------------------------------------------------------------------
       
   171 //	
       
   172 EXPORT_C TBool CNcdKeyValuePair::MatchByKey( const CNcdKeyValuePair& aFirst, 
       
   173     const CNcdKeyValuePair& aSecond )
       
   174     {
       
   175     return ( aFirst.Key().Compare( aSecond.Key() ) == 0 );
       
   176     }
       
   177 
       
   178 
       
   179 // ---------------------------------------------------------------------------
       
   180 // ExternalizeL
       
   181 // ---------------------------------------------------------------------------
       
   182 //    
       
   183 EXPORT_C void CNcdKeyValuePair::ExternalizeL( RWriteStream& aStream ) const
       
   184     {
       
   185     ExternalizeDesL( *iKey, aStream );
       
   186     ExternalizeDesL( *iValue, aStream );
       
   187     }
       
   188 
       
   189 // ---------------------------------------------------------------------------
       
   190 // ExternalizeL
       
   191 // ---------------------------------------------------------------------------
       
   192 //    
       
   193 EXPORT_C HBufC8* CNcdKeyValuePair::ExternalizeToDesLC() const
       
   194     {
       
   195     HBufC8* ext = HBufC8::NewLC( 2 * ( sizeof(TInt) + iKey->Length() + 
       
   196         iValue->Length() ) );
       
   197     TPtr8 ptr( ext->Des() );
       
   198     RDesWriteStream stream( ptr );        
       
   199     CleanupClosePushL( stream );
       
   200     ExternalizeDesL( *iKey, stream );
       
   201     ExternalizeDesL( *iValue, stream );    
       
   202     CleanupStack::PopAndDestroy( &stream );
       
   203     
       
   204     return ext;
       
   205     }
       
   206     
       
   207 // ---------------------------------------------------------------------------
       
   208 // InternalizeL
       
   209 // ---------------------------------------------------------------------------
       
   210 //    
       
   211 EXPORT_C void CNcdKeyValuePair::InternalizeL( RReadStream& aStream )
       
   212     {
       
   213     InternalizeDesL( iKey, aStream );
       
   214     InternalizeDesL( iValue, aStream );
       
   215     }
       
   216     
       
   217 // ---------------------------------------------------------------------------
       
   218 // ConstructL
       
   219 // ---------------------------------------------------------------------------
       
   220 //    
       
   221 void CNcdKeyValuePair::ConstructL( const TDesC& aKey, const TDesC& aValue )
       
   222     {
       
   223     if ( !aKey.Length() ) 
       
   224         {
       
   225         User::Leave( KErrArgument );
       
   226         }
       
   227         
       
   228     iKey = aKey.AllocL();
       
   229     iValue = aValue.AllocL();
       
   230     }
       
   231 
       
   232 
       
   233 // ---------------------------------------------------------------------------
       
   234 // Constructor
       
   235 // ---------------------------------------------------------------------------
       
   236 //    
       
   237 CNcdKeyValuePair::CNcdKeyValuePair()
       
   238     {
       
   239     }
       
   240 
       
   241 
       
   242