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:  This class provide API to read resource from resource file

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include <barsread.h>

    21 #include <mpxuser.h>

    22 #include <mpxlog.h>

    23 #include "mpxresource.h"

    24 

    25 

    26 // ============================ MEMBER FUNCTIONS ==============================

    27 

    28 // ----------------------------------------------------------------------------

    29 // Factory function

    30 // ----------------------------------------------------------------------------

    31 //

    32 CMPXResource* CMPXResource::NewL(const TDesC& aResourceFile)

    33     {

    34     CMPXResource* resObj = NewLC(aResourceFile);

    35     CleanupStack::Pop(resObj);

    36     return resObj;

    37     }

    38 

    39 // ----------------------------------------------------------------------------

    40 // Factory function

    41 // ----------------------------------------------------------------------------

    42 //

    43 CMPXResource* CMPXResource::NewLC(const TDesC& aResourceFile)

    44     {

    45     MPX_DEBUG1("CMPXResource::NewLC");

    46     CMPXResource* self = new (ELeave) CMPXResource();

    47     CleanupStack::PushL (self);

    48     self->ConstructL(aResourceFile);

    49     return self;

    50     }

    51 

    52 // ----------------------------------------------------------------------------

    53 // Decrements the reference count, and delete the object if it is 0

    54 // ----------------------------------------------------------------------------

    55 //

    56 void CMPXResource::Release()

    57     {

    58     delete this;

    59     }

    60 

    61 // ----------------------------------------------------------------------------

    62 // C++ default constructor can NOT contain any code, that might leave

    63 // ----------------------------------------------------------------------------

    64 //

    65 CMPXResource::CMPXResource()

    66     {

    67     }

    68 

    69 // ----------------------------------------------------------------------------

    70 // Contruct the object

    71 // ----------------------------------------------------------------------------

    72 //

    73 void CMPXResource::ConstructL(const TDesC& aResourceFile)

    74     {

    75     // In order to support installation of individual plugin.

    76     // aResourceFile must be a final name.

    77     // All parse should be done in the plugin side.

    78     MPX_DEBUG1("CMPXResource::ConstructL");

    79     User::LeaveIfError(iFs.Connect());

    80     MPX_DEBUG2("Open resource file %S", &aResourceFile);

    81     iResourceFile.OpenL(iFs, aResourceFile);

    82     iResourceFile.ConfirmSignatureL(0);

    83     MPX_DEBUG1("CMPXResource::ConstructL End");

    84     }

    85 

    86 // ----------------------------------------------------------------------------

    87 // Destructor

    88 // ----------------------------------------------------------------------------

    89 //

    90 CMPXResource::~CMPXResource()

    91     {

    92     iResourceFile.Close();

    93     iFs.Close();

    94     }

    95 

    96 // ----------------------------------------------------------------------------

    97 // Read array of descriptors

    98 // ----------------------------------------------------------------------------

    99 //

   100 CDesCArrayFlat* CMPXResource::ReadDesCArrayL(TInt aResourceId)

   101     {

   102     CDesCArrayFlat* descArray = ReadDesCArrayLC(aResourceId);

   103     CleanupStack::Pop(descArray);

   104     return descArray;

   105     }

   106 

   107 // ----------------------------------------------------------------------------

   108 // Read array of descriptors, leave on cleanup stack

   109 // ----------------------------------------------------------------------------

   110 //

   111 CDesCArrayFlat* CMPXResource::ReadDesCArrayLC(TInt aResourceId)

   112     {

   113     //MPX_DEBUG1("CMPXResource::ReadDesCArrayLC");

   114     TResourceReader resReader;

   115     HBufC8* readBuffer = iResourceFile.AllocReadLC(aResourceId);

   116     resReader.SetBuffer(readBuffer);

   117     CDesCArrayFlat* descArray = resReader.ReadDesCArrayL();

   118     CleanupStack::PopAndDestroy(readBuffer);

   119     //MPX_DEBUG1("CMPXResource::ReadDesCArrayLC End");

   120     CleanupStack::PushL(descArray);

   121     return descArray;

   122     }

   123 

   124 // ----------------------------------------------------------------------------

   125 // Get a heap descriptor from the resource file

   126 // ----------------------------------------------------------------------------

   127 //

   128 HBufC* CMPXResource::ReadHBufCL(TInt aResourceId)

   129     {

   130     //MPX_DEBUG1("CMPXResource::ReadHBufCL");

   131     HBufC8* readBuffer = iResourceFile.AllocReadLC(aResourceId);

   132     TResourceReader resReader;

   133     resReader.SetBuffer(readBuffer);

   134     //resource type has to be LBUF

   135     HBufC* hbuf = resReader.ReadHBufCL();

   136     CleanupStack::PopAndDestroy(readBuffer);

   137     return hbuf;

   138     }

   139 

   140 // ----------------------------------------------------------------------------

   141 // Read array of menu items

   142 // ----------------------------------------------------------------------------

   143 //

   144 CDesCArrayFlat* CMPXResource::ReadMenuArrayL(TInt aResourceId, RArray<TInt>& aIdArray)

   145     {

   146     CDesCArrayFlat* menuArray = ReadMenuArrayLC(aResourceId, aIdArray);

   147     CleanupStack::Pop(menuArray);

   148     return menuArray;

   149     }

   150 

   151 // ----------------------------------------------------------------------------

   152 // Read array of menu items, leave on cleanup stack

   153 // ----------------------------------------------------------------------------

   154 //

   155 CDesCArrayFlat* CMPXResource::ReadMenuArrayLC(TInt aResourceId, RArray<TInt>& aIdArray)

   156     {

   157     //MPX_DEBUG1("CMPXResource::ReadMenuArrayLC");

   158     TResourceReader resReader;

   159     HBufC8* readBuffer = iResourceFile.AllocReadLC(aResourceId);

   160     resReader.SetBuffer(readBuffer);

   161     TInt count(resReader.ReadInt16());

   162     CDesCArrayFlat* descArray = new (ELeave) CDesCArrayFlat(count); ;

   163     for (TInt k = 0; k < count; k++)

   164         {

   165         aIdArray.AppendL (resReader.ReadInt32());

   166         HBufC* hbuf = resReader.ReadHBufCL();

   167         CleanupStack::PushL(hbuf);

   168         descArray->AppendL (*hbuf);

   169         CleanupStack::PopAndDestroy(hbuf);

   170         }

   171     CleanupStack::PopAndDestroy(readBuffer);

   172     //MPX_DEBUG1("CMPXResource::ReadDesCArrayLC End");

   173     CleanupStack::PushL(descArray);

   174     return descArray;

   175     }

   176 

   177 // End of File