diff -r 000000000000 -r 4e1aa6a622a0 resourcemgmt/hwresourcesmgr/server/src/HWRMFmTxRdsTextConverter.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/resourcemgmt/hwresourcesmgr/server/src/HWRMFmTxRdsTextConverter.cpp Tue Feb 02 00:53:00 2010 +0200 @@ -0,0 +1,176 @@ +// Copyright (c) 2006-2009 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: +// + + + +// INCLUDE FILES +#include "HWRMFmTxRdsTextConverter.h" +#include "HWRMPolicy.h" +#include "HWRMtrace.h" + +// CONSTANTS +_LIT( KConvertFromUnicodeFileName, "ConvertFromUnicode.dat" ); + +const TUint8 KUnmappedRdsChar = 0xFF; + +// ============================ MEMBER FUNCTIONS =============================== + +// ----------------------------------------------------------------------------- +// CHWRMFmTxRdsTextConverter::CHWRMFmTxRdsTextConverter +// C++ constructor +// ----------------------------------------------------------------------------- +// +CHWRMFmTxRdsTextConverter::CHWRMFmTxRdsTextConverter() + { + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::CHWRMFmTxRdsTextConverter()" ) ); + } + +// ----------------------------------------------------------------------------- +// CHWRMFmTxRdsTextConverter::ConstructL +// Symbian 2nd phase constructor can leave. +// ----------------------------------------------------------------------------- +// +void CHWRMFmTxRdsTextConverter::ConstructL() + { + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConstructL()" ) ); + + // Open conversion table file + User::LeaveIfError( iFileServer.Connect() ); + + TFileName conversionTableFilename; + User::LeaveIfError( iFileServer.PrivatePath( conversionTableFilename ) ); // Private-folder of HWRM + conversionTableFilename.Insert(0, KDrivename); // "Z:" + conversionTableFilename.Append( KConvertFromUnicodeFileName ); // Actual filename + + COMPONENT_TRACE2( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConstructL(), RFile::Open(%S)" ), &conversionTableFilename ); + User::LeaveIfError( iConvertFromUnicodeFile.Open( iFileServer, conversionTableFilename, EFileRead) ); + + // Read from conversion table file + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConstructL() RFile::Read" ) ); + User::LeaveIfError( iConvertFromUnicodeFile.Read(iConvertFromUnicodeTable) ); + + if ( iConvertFromUnicodeTable.Length() != KConvertFromTableLength ) + { + COMPONENT_TRACE2( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConstructL - invalid table length %d "), iConvertFromUnicodeTable.Length() ); + User::Leave( KErrNotReady ); + } + + // Default value. Should be overwritten with CenRep setting + SetUnsupportedCharReplacement( 0x3F /* Question Mark ? symbol */ ); + + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConstructL - return " ) ); + } + +// ----------------------------------------------------------------------------- +// CHWRMFmTxRdsTextConverter::NewL +// Two-phased constructor. +// ----------------------------------------------------------------------------- +// +CHWRMFmTxRdsTextConverter* CHWRMFmTxRdsTextConverter::NewL() + { + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::NewL()" ) ); + + CHWRMFmTxRdsTextConverter* self = new( ELeave ) CHWRMFmTxRdsTextConverter(); + + CleanupStack::PushL( self ); + self->ConstructL(); + CleanupStack::Pop( self ); + + COMPONENT_TRACE2( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::NewL - return 0x%x" ), self ); + + return self; + } + +// --------------------------------------------------------- +// Destructor +// --------------------------------------------------------- +// +CHWRMFmTxRdsTextConverter::~CHWRMFmTxRdsTextConverter() + { + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::~CHWRMFmTxRdsTextConverter()" ) ); + + iFileServer.Close(); + + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::~CHWRMFmTxRdsTextConverter - return" ) ); + } + +// --------------------------------------------------------- +// CHWRMFmTxRdsTextConverter::ConvertFromUnicodeL +// Converts a unicode descriptor into 8bit RDS format +// All input characters must be within U+0000 -> U+024F range +// --------------------------------------------------------- +// +void CHWRMFmTxRdsTextConverter::ConvertFromUnicodeL(const TDesC& aInput, TDes8& aOutput) + { + COMPONENT_TRACE2( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConvertFromUnicodeL(%S)" ), &aInput ); + + // empty output buffer + aOutput.Zero(); + + TInt inputLength = aInput.Length(); + // convert each character from input buffer + for (TInt inputIndex=0; inputIndex < inputLength; inputIndex++) + { + // get input buffer values to index conversion table + TUint tableIndex = aInput[inputIndex]; + COMPONENT_TRACE3( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConvertFromUnicodeL aInput[%d] = 0x%x" ), inputIndex, tableIndex ); + if ( tableIndex >= KConvertFromTableLength ) + { + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConvertFromUnicodeL() aInput outside valid range" ) ); + aOutput.Zero(); + User::Leave(KErrArgument); + } + + // convert into 8bit RDS value + TUint8 value = iConvertFromUnicodeTable[ tableIndex ]; + if ( SupportedCharacter(value) == EFalse ) + { + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConvertFromUnicodeL() using replacement char" ) ); + value = iUnsupportedCharReplacement; + } + + COMPONENT_TRACE2( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConvertFromUnicodeL() appending 0x%x" ), value ); + aOutput.Append( (TChar)value ); + } + + COMPONENT_TRACE1( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::ConvertFromUnicodeL - return" ) ); + } + +// --------------------------------------------------------- +// CHWRMFmTxRdsTextConverter::SetUnsupportedCharReplacement +// Sets the character used, to replace unsupported characters +// --------------------------------------------------------- +// +void CHWRMFmTxRdsTextConverter::SetUnsupportedCharReplacement(const TText8 aChar) + { + COMPONENT_TRACE2( _L( "HWRM Server - CHWRMFmTxRdsTextConverter::SetUnsupportedCharReplacement(0x%x)" ), aChar ); + + iUnsupportedCharReplacement = aChar; + } + +// --------------------------------------------------------- +// CHWRMFmTxRdsTextConverter::SupportedCharacter +// Returns whether a character returned by the conversion +// table is actually supported +// --------------------------------------------------------- +// +TBool CHWRMFmTxRdsTextConverter::SupportedCharacter( TUint8 aChar ) + { + return (aChar < KUnmappedRdsChar); + } + +// ========================== OTHER EXPORTED FUNCTIONS ========================= + +// End of File