--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/HtiCfg/src/HtiCfg.cpp Wed Oct 13 16:17:58 2010 +0300
@@ -0,0 +1,331 @@
+/*
+* Copyright (c) 2009 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: CHtiCfg implementation
+*
+*/
+
+// INCLUDE FILES
+#include "HtiCfg.h"
+#include <badesca.h>
+#include <f32file.h>
+
+// CONSTANTS
+const static TInt KCfgArrayGranularity = 5;
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+EXPORT_C CHtiCfg* CHtiCfg::NewL()
+ {
+ CHtiCfg* self = NewLC();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+EXPORT_C CHtiCfg* CHtiCfg::NewLC()
+ {
+ CHtiCfg* self = new ( ELeave ) CHtiCfg();
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::CHtiCfg
+// Constructor
+// -----------------------------------------------------------------------------
+CHtiCfg::CHtiCfg():iCfgParameters( NULL )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::CHtiCfg
+// Destructor
+// -----------------------------------------------------------------------------
+EXPORT_C CHtiCfg::~CHtiCfg()
+ {
+ if ( iCfgParameters )
+ {
+ iCfgParameters->Reset();
+ delete iCfgParameters;
+ iCfgParameters = NULL;
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::ConstructL
+// Second phase constructor. Private.
+// -----------------------------------------------------------------------------
+void CHtiCfg::ConstructL()
+ {
+ iCfgParameters = new ( ELeave ) CDesC8ArrayFlat( KCfgArrayGranularity );
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::LoadCfgL
+// Searches the file in all drives and if found reads all parameter lines to the
+// iCfgParameters array.
+// -----------------------------------------------------------------------------
+EXPORT_C void CHtiCfg::LoadCfgL( const TDesC& aCfgFilePath,
+ const TDesC& aCfgFileName )
+ {
+ // Reset parameters
+ if ( iCfgParameters )
+ {
+ iCfgParameters->Reset();
+ delete iCfgParameters;
+ iCfgParameters = NULL;
+ }
+ iCfgParameters = new ( ELeave ) CDesC8ArrayFlat( KCfgArrayGranularity );
+
+ // Open & read file
+ RFs fsSession;
+ User::LeaveIfError( fsSession.Connect() );
+ CleanupClosePushL( fsSession );
+
+ TFindFile finder( fsSession );
+ TFileName path( aCfgFilePath );
+ TInt err = finder.FindByPath( aCfgFileName, &path );
+ if ( err != KErrNone )
+ {
+ User::Leave( err );
+ }
+
+ TFileName cfgFile = finder.File();
+
+ RFile file;
+ User::LeaveIfError( file.Open( fsSession, cfgFile, EFileRead ) );
+ CleanupClosePushL( file );
+
+ TInt fileLength;
+ User::LeaveIfError( file.Size( fileLength ) );
+
+ HBufC8* fileData = HBufC8::NewLC( fileLength );
+ TPtr8 fileDes = fileData->Des();
+ User::LeaveIfError( file.Read( fileDes ) );
+
+ // Get parameters
+ TBool eof = EFalse;
+ while ( !eof )
+ {
+ TInt strEndIndex = fileDes.Locate( KCfgNewLine );
+ if ( strEndIndex == KErrNotFound )
+ {
+ strEndIndex = fileDes.Length();
+ eof = ETrue;
+ }
+
+ TPtrC8 line = fileDes.Left( strEndIndex );
+
+ if ( line.Locate( KCfgComment ) != 0 )
+ {
+ if ( line.Locate( KCfgSeparator ) > 0 )
+ {
+ TBuf8<KMaxParameterLength> parameter;
+ parameter.Copy( line );
+ parameter.Trim();
+ iCfgParameters->AppendL( parameter );
+ }
+ }
+
+ if ( !eof )
+ fileDes = fileDes.Right( fileDes.Length() - ( strEndIndex + 1 ) );
+
+ }
+
+ CleanupStack::PopAndDestroy( 3 ); // fsSession, fileData, file
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::SaveCfgL
+// Writes all parameter lines from iCfgParameters array to the file.
+// Existing file is searched from all drives and if found file will be replaced.
+// If existing file is not found file will be created to c-drive.
+// -----------------------------------------------------------------------------
+EXPORT_C void CHtiCfg::SaveCfgL( const TDesC& aCfgFilePath,
+ const TDesC& aCfgFileName )
+ {
+ RFs fs;
+ User::LeaveIfError( fs.Connect() );
+ CleanupClosePushL( fs );
+
+ RFile file;
+ CleanupClosePushL( file );
+
+ // Find the file
+ TFindFile finder( fs );
+ TFileName path( aCfgFilePath );
+ TFileName cfgFile;
+ TInt err = finder.FindByPath( aCfgFileName, &path );
+ if ( err != KErrNone )
+ {
+ cfgFile.Append( _L ( "c:" ) );
+ cfgFile.Append( path );
+ cfgFile.Append( aCfgFileName );
+ }
+ else
+ {
+ cfgFile = finder.File();
+ // If the file was found from ROM, we must save to C-drive.
+ if ( cfgFile[0] == 'z' || cfgFile[0] == 'Z' )
+ {
+ cfgFile[0] = 'c';
+ }
+ }
+
+ // Replace or create the file
+ User::LeaveIfError( file.Replace( fs, cfgFile, EFileWrite | EFileShareAny ) );
+
+ // Write the file
+ for ( TInt i = 0; i < iCfgParameters->Count(); i++ )
+ {
+ file.Write( iCfgParameters->MdcaPoint( i ) );
+ file.Write( _L8( "\n" ) );
+ }
+
+ // Close
+ CleanupStack::PopAndDestroy( 2 ); // fs, file
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::SetParameterL
+// -----------------------------------------------------------------------------
+EXPORT_C TInt CHtiCfg::SetParameterL( const TDesC8& aName,
+ const TDesC8& aValue )
+ {
+ // Does the parameter exist?
+ for ( TInt i = 0; i < iCfgParameters->Count(); i++ )
+ {
+ TInt sepIndex =
+ ( iCfgParameters->MdcaPoint( i ) ).Locate( KCfgSeparator );
+ if ( sepIndex <= 0 )
+ User::Leave( KErrGeneral ); // should not happen
+
+ TPtrC8 name = ( iCfgParameters->MdcaPoint( i ) ).Left( sepIndex );
+ if ( name.Compare( aName ) == 0 )
+ {
+ iCfgParameters->Delete( i );
+ TBuf8<KMaxParameterLength> parameter;
+ parameter.Append( aName );
+ parameter.Append( KCfgSeparator );
+ parameter.Append( aValue );
+ iCfgParameters->AppendL( parameter );
+ return KErrNone;
+ }
+ }
+
+ // Apparently not.. add it
+ TBuf8<KMaxParameterLength> parameter;
+ parameter.Append( aName );
+ parameter.Append( KCfgSeparator );
+ parameter.Append( aValue );
+ iCfgParameters->AppendL( parameter );
+
+ return KErrNone;
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::RemoveParameterL
+// -----------------------------------------------------------------------------
+EXPORT_C TInt CHtiCfg::RemoveParameterL( const TDesC8& aName )
+ {
+ for ( TInt i = 0; i < iCfgParameters->Count(); i++ )
+ {
+ TInt sepIndex =
+ ( iCfgParameters->MdcaPoint( i ) ).Locate( KCfgSeparator );
+ if ( sepIndex <= 0 )
+ User::Leave( KErrGeneral ); // should not happen
+
+ TPtrC8 name = ( iCfgParameters->MdcaPoint( i ) ).Left( sepIndex );
+ if ( name.Compare( aName ) == 0 )
+ {
+ iCfgParameters->Delete( i );
+ return KErrNone;
+ }
+ }
+
+ return KErrNotFound;
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::GetParameterL
+// -----------------------------------------------------------------------------
+EXPORT_C TPtrC8 CHtiCfg::GetParameterL( const TDesC8& aName )
+ {
+ for ( TInt i = 0; i < iCfgParameters->Count(); i++ )
+ {
+ TInt sepIndex =
+ ( iCfgParameters->MdcaPoint( i ) ).Locate( KCfgSeparator );
+ if ( sepIndex <= 0 )
+ User::Leave( KErrGeneral ); // should not happen
+
+ TPtrC8 name = ( iCfgParameters->MdcaPoint( i ) ).Left( sepIndex );
+ if ( name.Compare( aName ) == 0 )
+ {
+ TPtrC8 value = ( iCfgParameters->MdcaPoint( i ) ).Right(
+ ( iCfgParameters->MdcaPoint( i ) ).Length() - ( sepIndex + 1 ) );
+ return value;
+ }
+ }
+ User::Leave( KErrNotFound );
+ return 0;
+ }
+
+// -----------------------------------------------------------------------------
+// CHtiCfg::GetParameterIntL
+// -----------------------------------------------------------------------------
+EXPORT_C TInt CHtiCfg::GetParameterIntL( const TDesC8& aName )
+ {
+ for ( TInt i = 0; i < iCfgParameters->Count(); i++ )
+ {
+ TInt sepIndex =
+ ( iCfgParameters->MdcaPoint( i ) ).Locate( KCfgSeparator );
+ if ( sepIndex <= 0 )
+ User::Leave( KErrGeneral ); // should not happen
+
+ TPtrC8 name = ( iCfgParameters->MdcaPoint( i ) ).Left( sepIndex );
+ if ( name.Compare( aName ) == 0 )
+ {
+ TPtrC8 value = ( iCfgParameters->MdcaPoint( i ) ).Right(
+ ( iCfgParameters->MdcaPoint( i ) ).Length() - ( sepIndex + 1 ) );
+
+ TLex8 lex( value );
+ TInt result;
+ User::LeaveIfError( lex.Val( result ) );
+ return result;
+ }
+ }
+ User::Leave( KErrNotFound );
+ return 0;
+ }
+
+
+// End of file