diff -r 000000000000 -r e686773b3f54 phonebookui/Phonebook2/CommonUtility/src/Pbk2IPCPackage.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/phonebookui/Phonebook2/CommonUtility/src/Pbk2IPCPackage.cpp Tue Feb 02 10:12:17 2010 +0200 @@ -0,0 +1,250 @@ +/* +* Copyright (c) 2005-2007 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: Implements Phonebook 2 generic IPC package. +* +*/ + + +// Phonebook 2 +#include "Pbk2IPCPackage.h" + +// System includes +#include +#include + +// -------------------------------------------------------------------------- +// Package syntax +// 1. Bit enumeration (EBuffer8Bit or EBuffer16Bit) +// 2. Length of the buffer +// 3. Data +// -------------------------------------------------------------------------- + +/// Unnamed namespace for local definitions +namespace { + +const TInt KFormatSlotSize( 4 + 4 ); +const TInt KConvert16To8 = 2; + +enum TPanicCode + { + EInvalidArgument + }; + +void Panic(TPanicCode aReason) + { + _LIT( KPanicText, "Pbk2IPCPackage" ); + User::Panic( KPanicText, aReason ); + } + +} /// namespace + +// -------------------------------------------------------------------------- +// Pbk2IPCPackage::ExternalizeL +// -------------------------------------------------------------------------- +// +EXPORT_C void Pbk2IPCPackage::ExternalizeL + ( HBufC8*& aBuffer, RDesWriteStream& aWriteStream ) + { + if ( aBuffer ) + { + aWriteStream.WriteUint32L( EBuffer8Bit ); + aWriteStream.WriteUint32L( aBuffer->Length() ); + aWriteStream.WriteL( *aBuffer ); + } + else + { + aWriteStream.WriteUint32L( EBuffer8Bit ); + aWriteStream.WriteUint32L( 0 ); + } + } + +// -------------------------------------------------------------------------- +// Pbk2IPCPackage::ExternalizeL +// -------------------------------------------------------------------------- +// +EXPORT_C void Pbk2IPCPackage::ExternalizeL + ( HBufC*& aBuffer, RDesWriteStream& aWriteStream ) + { + if ( aBuffer ) + { + aWriteStream.WriteUint32L( EBuffer16Bit ); + aWriteStream.WriteUint32L( aBuffer->Length() ); + aWriteStream.WriteL( *aBuffer ); + } + else + { + aWriteStream.WriteUint32L( EBuffer16Bit ); + aWriteStream.WriteUint32L( 0 ); + } + } + +// -------------------------------------------------------------------------- +// Pbk2IPCPackage::InternalizeL +// -------------------------------------------------------------------------- +// +EXPORT_C void Pbk2IPCPackage::InternalizeL + ( HBufC8*& aBuffer, RDesReadStream& aReadStream ) + { + delete aBuffer; + aBuffer = NULL; + + // Need to read, even we don't needed + TInt bit( aReadStream.ReadUint32L() ); + TInt length( aReadStream.ReadUint32L() ); + if ( length > 0 ) + { + aBuffer = HBufC8::NewL( length ); + TPtr8 ptr = aBuffer->Des(); + aReadStream.ReadL( ptr, length ); + } + } + +// -------------------------------------------------------------------------- +// Pbk2IPCPackage::InternalizeL +// -------------------------------------------------------------------------- +// +EXPORT_C void Pbk2IPCPackage::InternalizeL + ( HBufC*& aBuffer, RDesReadStream& aReadStream ) + { + delete aBuffer; + aBuffer = NULL; + + // Need to read, even we don't needed + TInt bit( aReadStream.ReadUint32L() ); + TInt length( aReadStream.ReadUint32L() ); + if ( length > 0 ) + { + aBuffer = HBufC::NewL( length ); + TPtr ptr = aBuffer->Des(); + aReadStream.ReadL( ptr ,length ); + } + } + +// -------------------------------------------------------------------------- +// Pbk2IPCPackage::InternalizeL +// -------------------------------------------------------------------------- +// +EXPORT_C void Pbk2IPCPackage::InternalizeL + ( HBufC8*& aBuffer, RDesReadStream& aReadStream, + const TInt aPosition ) + { + delete aBuffer; + aBuffer = NULL; + + // Read the non relevant parts of the package + FindPositionL( aReadStream, aPosition ); + + // Need to read, even we don't needed + TInt bit( aReadStream.ReadUint32L() ); + TInt length( aReadStream.ReadUint32L() ); + if ( length > 0 ) + { + aBuffer = HBufC8::NewL( length ); + TPtr8 ptr = aBuffer->Des(); + aReadStream.ReadL( ptr, length ); + } + } + +// -------------------------------------------------------------------------- +// Pbk2IPCPackage::InternalizeL +// -------------------------------------------------------------------------- +// +EXPORT_C void Pbk2IPCPackage::InternalizeL + ( HBufC*& aBuffer, RDesReadStream& aReadStream, + const TInt aPosition ) + { + delete aBuffer; + aBuffer = NULL; + + // Read the non relevant parts of the package + FindPositionL( aReadStream, aPosition ); + + // Need to read, even we don't needed + TInt bit( aReadStream.ReadUint32L() ); + TInt length( aReadStream.ReadUint32L() ); + if ( length > 0 ) + { + aBuffer = HBufC::NewL( length ); + TPtr ptr = aBuffer->Des(); + aReadStream.ReadL( ptr ,length ); + } + } + +// -------------------------------------------------------------------------- +// Pbk2IPCPackage::CountPackageSize +// -------------------------------------------------------------------------- +// +EXPORT_C TInt Pbk2IPCPackage::CountPackageSize( HBufC8* aBuffer ) + { + TInt ret = KFormatSlotSize; + + if ( aBuffer ) + { + // See package syntax + ret = aBuffer->Length() + KFormatSlotSize; + } + return ret; + } + +// -------------------------------------------------------------------------- +// Pbk2IPCPackage::CountPackageSize +// -------------------------------------------------------------------------- +// +EXPORT_C TInt Pbk2IPCPackage::CountPackageSize( HBufC* aBuffer ) + { + TInt ret = KFormatSlotSize; + if ( aBuffer ) + { + // See package syntax + ret = aBuffer->Length()*KConvert16To8 + KFormatSlotSize; + } + return ret; + } + +// -------------------------------------------------------------------------- +// Pbk2IPCPackage::FindPositionL +// Reads the non relevant parts of the package. +// @param aReadStream The stream to read from. +// @param aPosition The position where to read. +// -------------------------------------------------------------------------- +// +void Pbk2IPCPackage::FindPositionL + ( RDesReadStream& aReadStream, const TInt aPosition ) + { + for ( TInt i=0; i < aPosition; ++i ) + { + TInt bit = aReadStream.ReadUint32L(); + switch ( bit ) + { + case EBuffer8Bit: + { + TInt dummyLength = aReadStream.ReadUint32L(); + aReadStream.ReadL(dummyLength); + break; + } + case EBuffer16Bit: + { + TInt dummyLength = aReadStream.ReadUint32L()*KConvert16To8; + aReadStream.ReadL(dummyLength); + break; + } + default: + { + Panic( EInvalidArgument ); + } + }; + } + } + +// End of File