menufw/hierarchynavigator/hnmetadatamodel/src/hnutils.cpp
changeset 0 f72a12da539e
child 54 1b758917cafc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/hierarchynavigator/hnmetadatamodel/src/hnutils.cpp	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,247 @@
+/*
+* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  
+ *
+*/
+
+
+#include <bautils.h>
+//#include <mnaiwservices.h>
+#include <liwservicehandler.h>
+#include <e32hashtab.h>
+#include <eikenv.h> 
+
+
+#include "hnutils.h"
+#include "hnliwutils.h"
+#include "hnmdservicecommand.h"
+#include "hnservicehandler.h"
+#include "hnglobals.h"
+#include "hnmdbasekey.h"
+#include "menudebug.h"
+#include "hnconvutils.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C HBufC8* HnUtils::ReadFileLC(const TDesC& aPath)
+    {
+    RFs& fs = CEikonEnv::Static()->FsSession();
+    
+    RFile file;
+    User::LeaveIfError( file.Open(fs, aPath, EFileRead) );
+    CleanupClosePushL( file );
+
+    TInt fileSize(0);
+    User::LeaveIfError( file.Size( fileSize ) );
+    HBufC8* buf = HBufC8::NewLC( fileSize );
+    TPtr8 bufPtr( buf->Des() );
+    User::LeaveIfError( file.Read( bufPtr ) );
+
+    // clean up
+    CleanupStack::Pop(buf);
+    CleanupStack::PopAndDestroy(&file);
+    CleanupStack::PushL(buf);
+
+    return buf;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C HBufC8* HnUtils::ReadFileL( const TDesC& aPath )
+    {
+    HBufC8* buf = ReadFileLC( aPath );
+    CleanupStack::Pop( buf );
+    return buf;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//      
+EXPORT_C HBufC* HnUtils::LocateFileLC( const TDesC& aFile )
+    {
+    HBufC* filePath = HBufC::NewLC(KMaxName);
+    RFs& fs = CEikonEnv::Static()->FsSession();
+
+    TDriveList driveList;
+    TChar driveLetter;
+    TInt driveNumber=EDriveY;
+    User::LeaveIfError(fs.DriveList(driveList));
+    for(; driveNumber>=EDriveA-1; driveNumber-- )
+        {
+        if (driveNumber==EDriveA-1)
+        driveNumber = EDriveZ;
+        if (driveList[driveNumber])
+            {
+            User::LeaveIfError(fs.DriveToChar(driveNumber, driveLetter));
+            filePath->Des().Zero();
+            filePath->Des().Append(driveLetter);
+            filePath->Des().Append(KRscPath);
+            filePath->Des().Append(aFile);
+
+            if (BaflUtils::FileExists(fs,*filePath))
+                {
+                return filePath;
+                }
+            }
+        if (driveNumber == EDriveZ)
+        break;
+        }
+
+    User::Leave(KErrNotFound);
+    return filePath;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//      
+EXPORT_C HBufC* HnUtils::LocateNearestLanguageFileLC( const TDesC& aFile )
+    {
+    _LIT( KExtRSC, ".r");
+    if (aFile.Find( KExtRSC ) == (aFile.Length() - 4) )
+        {
+        HBufC* filePath = HBufC::NewLC(KMaxName);
+        RFs& fs = CEikonEnv::Static()->FsSession();
+        TDriveList driveList;
+        TChar driveLetter;
+        TInt driveNumber=EDriveY;
+        User::LeaveIfError(fs.DriveList(driveList));
+        TFileName file;
+        for(; driveNumber>=EDriveA-1; driveNumber-- )
+            {
+            if (driveNumber==EDriveA-1)
+            driveNumber = EDriveZ;
+            if (driveList[driveNumber])
+                {
+                User::LeaveIfError(fs.DriveToChar(driveNumber, driveLetter));
+                filePath->Des().Zero();
+                filePath->Des().Append(driveLetter);
+                filePath->Des().Append(KRscPath);
+                filePath->Des().Append(aFile);
+    
+                file = *filePath;
+                BaflUtils::NearestLanguageFile( fs, file);
+                if( BaflUtils::FileExists( fs, file))
+                    {
+                    CleanupStack::PopAndDestroy(filePath);    
+                    return file.AllocLC();
+                    }
+                }
+            if (driveNumber == EDriveZ)
+            break;
+            }
+        CleanupStack::PopAndDestroy(filePath);
+        }
+    return KNullDesC().AllocLC();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+// 
+EXPORT_C void HnUtils::SetAttributeL( const TXmlEngElement& aElement,
+        RBuf8& aAttribute )
+    {
+    TPtrC8 v = aElement.Value();
+
+    if ( v.Length()> 0 )
+        {
+        HBufC8* trimmed = v.AllocLC();
+        trimmed->Des().Trim();
+        aAttribute.Close();
+        aAttribute.CreateL( trimmed->Length() );
+        aAttribute.Copy( *trimmed );
+        CleanupStack::PopAndDestroy( trimmed );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+// 
+EXPORT_C void HnUtils::SetAttributeL( const TXmlEngElement& aElement,
+        const TDesC8& aAttributeName, RBuf8& aValue8 )
+    {
+    if ( aElement.HasAttributeL( aAttributeName ) )
+        {
+        TPtrC8 value8 =
+        aElement.AttributeNodeL( aAttributeName ).Value();
+
+        aValue8.Close();
+        aValue8.CreateL( value8.Length() );
+        aValue8.Copy( value8 );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+// 
+EXPORT_C HBufC8 * HnUtils::GetColumnTextLC( TInt aColumn,
+        const TDesC8 & aSourceText, TChar aColumnSeparator )
+    {
+    HBufC8 * ret = NULL;
+    TLex8 processedText ( aSourceText );
+
+    TInt column( 0 );
+    processedText.Mark();
+    
+    while ( !processedText.Eos() )
+        {
+        if ( processedText.Get() == aColumnSeparator )
+            {
+            if ( column == aColumn )
+                {
+                processedText.UnGet();
+                break;
+                }
+            processedText.Mark();
+            column++;
+            }
+        }
+
+    if ( aColumn <= column )
+        {
+        ret = processedText.MarkedToken().AllocLC();
+        }
+
+    return ret;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+// 
+EXPORT_C TInt HnUtils::GetColumnTextColumnCount(
+        const TDesC8 & aSourceText, TChar aColumnSeparator )
+    {
+    TInt ret(1);
+    TLex8 processedText(aSourceText);
+    while ( !processedText.Eos() )
+        {
+        if (processedText.Get() == aColumnSeparator)
+            {
+            ret++;
+            }
+        }
+    return ret;
+    }
+