xcfw/src/gecodefaultobject.cpp
changeset 0 79c6a41cd166
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     1 /*
       
     2 * Copyright (c) 2002-2005 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 GECODefaultObject
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include    "gecodefaultobject.h"
       
    21 #include    "xcfwpanic.h"
       
    22 
       
    23 // ============================ MEMBER FUNCTIONS ===============================
       
    24 
       
    25 // -----------------------------------------------------------------------------
       
    26 // CGECODefaultObject::CGECODefaultObject
       
    27 // C++ default constructor can NOT contain any code, that
       
    28 // might leave.
       
    29 // -----------------------------------------------------------------------------
       
    30 //
       
    31 EXPORT_C CGECODefaultObject::CGECODefaultObject()
       
    32     {
       
    33     }
       
    34 
       
    35 
       
    36 // -----------------------------------------------------------------------------
       
    37 // CGECODefaultObject::NewL
       
    38 // Two phased constructor.
       
    39 // -----------------------------------------------------------------------------
       
    40 //
       
    41 EXPORT_C CGECODefaultObject* CGECODefaultObject::NewL(
       
    42     const TDesC& aTypeIdentifier )
       
    43     {
       
    44     CGECODefaultObject* self = new( ELeave ) CGECODefaultObject() ;
       
    45     
       
    46     CleanupStack::PushL( self );
       
    47     self->BaseConstructL( aTypeIdentifier );
       
    48     CleanupStack::Pop( self );
       
    49 
       
    50     return self;    
       
    51     }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // CGECODefaultObject::BaseConstructL
       
    55 // Initializes default object data arrays and type identifier.
       
    56 // -----------------------------------------------------------------------------
       
    57 //
       
    58 EXPORT_C void CGECODefaultObject::BaseConstructL( const TDesC& aTypeIdentifier ) 
       
    59     {
       
    60     const TInt KDefaultGranularity = 3;
       
    61     iTypeIdentifier = aTypeIdentifier.AllocL();    
       
    62     iAttrNames = new ( ELeave ) CDesCArraySeg( KDefaultGranularity );
       
    63     iAttrValues = new ( ELeave ) CDesCArraySeg( KDefaultGranularity );
       
    64     }
       
    65 
       
    66     
       
    67 // Destructor
       
    68 EXPORT_C CGECODefaultObject::~CGECODefaultObject()
       
    69     {
       
    70     delete iTypeIdentifier;
       
    71     delete iAttrNames;
       
    72     delete iAttrValues;
       
    73     delete iText;
       
    74     iAttrLocStatus.Close();
       
    75     }
       
    76 
       
    77 
       
    78 // -----------------------------------------------------------------------------
       
    79 // CGECODefaultObject::Identifier
       
    80 // return object TypeIdentifier
       
    81 // -----------------------------------------------------------------------------
       
    82 //
       
    83 EXPORT_C const TDesC& CGECODefaultObject::TypeIdentifier()
       
    84     {
       
    85 
       
    86     __ASSERT_PANIC_DEBUG( iTypeIdentifier, 
       
    87         EXCFWPanicNoTypeIdentifier );
       
    88         
       
    89     return *iTypeIdentifier;    
       
    90 
       
    91     }
       
    92 
       
    93 
       
    94 // -----------------------------------------------------------------------------
       
    95 // CGECODefaultObject::GetAttribute
       
    96 // Returns attribute value for given attrib. name
       
    97 // -----------------------------------------------------------------------------
       
    98 //
       
    99 EXPORT_C TInt CGECODefaultObject::GetAttribute( 
       
   100     const TDesC& aAttrName, 
       
   101     TPtrC& aAttrValue )
       
   102     {
       
   103 
       
   104     TInt error = KErrNotFound;
       
   105     const TInt count = iAttrNames->Count();    
       
   106 
       
   107     for ( TInt i = 0; i < count; i++ )
       
   108         {
       
   109         if ( iAttrNames->MdcaPoint( i ) == aAttrName )
       
   110             {
       
   111             error = KErrNone;
       
   112             aAttrValue.Set( iAttrValues->MdcaPoint( i ) );                
       
   113             }
       
   114         }
       
   115     
       
   116     return error;
       
   117 
       
   118     
       
   119     }
       
   120 // -----------------------------------------------------------------------------
       
   121 // CGECODefaultObject::GetAttribute
       
   122 // Returns attribute value and localization status for given attrib. name
       
   123 // -----------------------------------------------------------------------------
       
   124 //
       
   125 EXPORT_C TInt CGECODefaultObject::GetAttribute( 
       
   126     const TDesC& aAttrName, 
       
   127     TPtrC& aAttrValue, 
       
   128     TBool& aIsLocalized)
       
   129     {
       
   130         
       
   131     TInt error = KErrNotFound;
       
   132     const TInt count = iAttrNames->Count();
       
   133     
       
   134     for ( TInt i = 0; i < count; i++ )
       
   135         {
       
   136         if ( iAttrNames->MdcaPoint( i ) == aAttrName )
       
   137             {
       
   138             error = KErrNone;
       
   139             aAttrValue.Set( iAttrValues->MdcaPoint( i ) );
       
   140             aIsLocalized = iAttrLocStatus[i];
       
   141             }
       
   142         }
       
   143     
       
   144     return error;
       
   145 
       
   146 
       
   147     }
       
   148 
       
   149 // -----------------------------------------------------------------------------
       
   150 // CGECODefaultObject::SetAttributeL
       
   151 // This function adds new attribute with Localization status EFalse
       
   152 // -----------------------------------------------------------------------------
       
   153 //
       
   154 EXPORT_C void CGECODefaultObject::SetAttributeL(
       
   155     const TDesC& aAttrName, 
       
   156     const TDesC& aAttrValue )
       
   157     {
       
   158     SetAttributeL( aAttrName, aAttrValue, EFalse );
       
   159     }
       
   160 
       
   161 // -----------------------------------------------------------------------------
       
   162 // CGECODefaultObject::SetAttributeL
       
   163 // New attribute is added to object data arrays. Value and localization status
       
   164 // addition is TRAPped to make sure that all arrays have identical item count
       
   165 // at all times.
       
   166 // -----------------------------------------------------------------------------
       
   167 //
       
   168 EXPORT_C void CGECODefaultObject::SetAttributeL(
       
   169     const TDesC& aAttrName, 
       
   170     const TDesC& aAttrValue, 
       
   171     TBool aIsLocalized )
       
   172     {
       
   173 
       
   174     iAttrNames->AppendL( aAttrName );
       
   175     TInt err = KErrNone;
       
   176 
       
   177     TRAP( err, iAttrValues->AppendL( aAttrValue ) );
       
   178     if ( err != KErrNone )
       
   179         {
       
   180         //if attribute value addition failed, remove name and leave
       
   181         TInt lastindex = iAttrNames->Count() - 1;
       
   182         iAttrNames->Delete( lastindex );
       
   183         User::Leave( err );
       
   184         }
       
   185     else
       
   186         {
       
   187         TRAP( err, iAttrLocStatus.AppendL( aIsLocalized ) );
       
   188         if ( err != KErrNone )
       
   189             {
       
   190             //if loc status addition failed, remove name and leave
       
   191             TInt lastindex = iAttrNames->Count() - 1;
       
   192             iAttrNames->Delete( lastindex );
       
   193             iAttrValues->Delete( lastindex );                
       
   194             }
       
   195         }
       
   196     }
       
   197 
       
   198 
       
   199 // -----------------------------------------------------------------------------
       
   200 // CGECODefaultObject::TextDetails
       
   201 // Returns objects text data if any
       
   202 // -----------------------------------------------------------------------------
       
   203 //
       
   204 EXPORT_C void CGECODefaultObject::TextDetailsL( 
       
   205     TPtrC& aText,
       
   206     TBool& aIsLocalized )
       
   207     {
       
   208     if ( iText )
       
   209         {
       
   210         aText.Set( iText->Des() );
       
   211         aIsLocalized = iTextLocStatus;
       
   212         }
       
   213     else
       
   214         {
       
   215         User::Leave( KErrNotFound );            
       
   216         }
       
   217     }
       
   218 
       
   219 
       
   220 // -----------------------------------------------------------------------------
       
   221 // CGECODefaultObject::NumAttributes
       
   222 // Returns number of attributes from internal array
       
   223 // -----------------------------------------------------------------------------
       
   224 //
       
   225 EXPORT_C TInt CGECODefaultObject::NumAttributes()
       
   226     {
       
   227     return iAttrNames->Count();
       
   228     }
       
   229 
       
   230 // -----------------------------------------------------------------------------
       
   231 // CGECODefaultObject::AttributeDetailsL
       
   232 // Returns details of the attribute in given index (MGECOAttributeProvider IF)
       
   233 // -----------------------------------------------------------------------------
       
   234 //
       
   235 EXPORT_C void CGECODefaultObject::AttributeDetailsL(
       
   236     const TInt aIndex, 
       
   237     TPtrC& aAttrName, 
       
   238     TPtrC& aAttrValue, 
       
   239     TBool& aIsLocalized)
       
   240     {
       
   241     
       
   242     if ( aIndex >= 0 && iAttrNames->Count() > aIndex )
       
   243         {
       
   244         aAttrName.Set( iAttrNames->MdcaPoint( aIndex ) );
       
   245         aAttrValue.Set( iAttrValues->MdcaPoint( aIndex ) );
       
   246         aIsLocalized = iAttrLocStatus[aIndex];
       
   247         }
       
   248     else
       
   249         {
       
   250         User::Leave( KErrNotFound );            
       
   251         }
       
   252 
       
   253     }
       
   254 
       
   255 // -----------------------------------------------------------------------------
       
   256 // CGECODefaultObject::AttributeDetailsL
       
   257 // Returns details of the attribute in given index (MGECOAttributeProvider IF)
       
   258 // -----------------------------------------------------------------------------
       
   259 //
       
   260 EXPORT_C void CGECODefaultObject::AttributeDetailsL(
       
   261     const TInt aIndex, 
       
   262     TPtrC& aAttrName, 
       
   263     TPtrC& aAttrValue)
       
   264     {
       
   265     
       
   266     if ( aIndex >= 0 && iAttrNames->Count() > aIndex )
       
   267         {
       
   268         aAttrName.Set( iAttrNames->MdcaPoint( aIndex ) );
       
   269         aAttrValue.Set( iAttrValues->MdcaPoint( aIndex ) );
       
   270         }
       
   271     else
       
   272         {
       
   273         User::Leave( KErrNotFound );            
       
   274         }
       
   275 
       
   276     }
       
   277 
       
   278 // -----------------------------------------------------------------------------
       
   279 // CGECODefaultObject::RemoveAttribute
       
   280 // Removes an attribute from the internal attribute name array. 
       
   281 // Value + localization status from same position are deleted as well.
       
   282 // -----------------------------------------------------------------------------
       
   283 //
       
   284 EXPORT_C TInt CGECODefaultObject::RemoveAttribute( 
       
   285     const TDesC& aAttrName ) 
       
   286     {
       
   287 
       
   288     TInt error = KErrNotFound;
       
   289     
       
   290     const TInt index = iAttrNames->Count() - 1;
       
   291     
       
   292     for ( TInt i = index; i >= 0; i-- )
       
   293 
       
   294         {
       
   295         if ( iAttrNames->MdcaPoint( i ) == aAttrName )
       
   296             {
       
   297             error = KErrNone;
       
   298             iAttrNames->Delete( i );
       
   299             iAttrValues->Delete( i );
       
   300             iAttrLocStatus.Remove( i );
       
   301             }
       
   302         }
       
   303     
       
   304     return error;
       
   305     }
       
   306 
       
   307 
       
   308 // -----------------------------------------------------------------------------
       
   309 // CGECODefaultObject::SetText
       
   310 // Sets the object's text data
       
   311 // -----------------------------------------------------------------------------
       
   312 //
       
   313 EXPORT_C void CGECODefaultObject::SetTextL( 
       
   314     const TDesC& aText )
       
   315     {
       
   316     SetTextL( aText, EFalse );
       
   317     }
       
   318 
       
   319 // -----------------------------------------------------------------------------
       
   320 // CGECODefaultObject::SetText
       
   321 // Sets the object's text data and corresponding localization status
       
   322 // -----------------------------------------------------------------------------
       
   323 //
       
   324 EXPORT_C void CGECODefaultObject::SetTextL( 
       
   325     const TDesC& aText, 
       
   326     TBool aIsLocalized )
       
   327     {
       
   328     delete iText;
       
   329     iText = NULL;
       
   330     iText = aText.AllocL();
       
   331     iTextLocStatus = aIsLocalized;
       
   332     }
       
   333 
       
   334 // -----------------------------------------------------------------------------
       
   335 // CGECODefaultObject::HasTextData
       
   336 // Returns ETrue if object has text data
       
   337 // -----------------------------------------------------------------------------
       
   338 //
       
   339 EXPORT_C TBool CGECODefaultObject::HasTextData()
       
   340     {
       
   341     TBool ret = EFalse;
       
   342     if ( iText )
       
   343         {
       
   344         ret = ETrue;            
       
   345         }
       
   346     return ret;
       
   347     }
       
   348 
       
   349 
       
   350 // -----------------------------------------------------------------------------
       
   351 // CGECODefaultObject::GetText
       
   352 // Returns the text data for this object
       
   353 // -----------------------------------------------------------------------------
       
   354 //
       
   355 EXPORT_C TInt CGECODefaultObject::GetText( TPtrC& aText )
       
   356     {
       
   357     TInt ret = KErrNotFound;
       
   358     if ( iText )
       
   359         {
       
   360         ret = KErrNone;
       
   361         aText.Set( *iText );
       
   362         }
       
   363     return ret;
       
   364     }
       
   365 
       
   366 // -----------------------------------------------------------------------------
       
   367 // CGECODefaultObject::RemoveText
       
   368 // Removes possible text data from the object
       
   369 // -----------------------------------------------------------------------------
       
   370 //
       
   371 EXPORT_C void CGECODefaultObject::RemoveText()        
       
   372     {
       
   373     delete iText;
       
   374     iText = NULL;
       
   375     iTextLocStatus = EFalse;
       
   376     }
       
   377 
       
   378 //  End of File