--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyserverplugins/simatktsy/utility/src/ttlv.cpp Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,205 @@
+// 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:
+// Name : TTlv.cpp
+// Part of : Series 60 / utility
+// Based on 3GPP TS 11.14 V8.8.0
+// Version : 1.0
+// EXTERNAL RESOURCES
+//
+
+
+
+// Include Files
+#include "TTlv.h" // Header of this class
+#include "tflogger.h" // For logging
+
+// External Data Structures
+// none
+
+// External Function Prototypes
+// none
+
+// LOCAL CONSTANTS AND MACROS
+// none
+
+// MODULE DATA STRUCTURES
+// none
+
+// Local Data Structures
+// none
+
+// Local Function Prototypes
+// none
+
+// LOCAL FUNCTIONS
+// none
+
+// MEMBER FUNCTIONS
+
+
+//=============================================================================
+
+
+
+// -----------------------------------------------------------------------------
+// TTlvBase::TTlvBase
+// constructor
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TTlvBase::TTlvBase
+ (
+ TDes8& aData
+ ) : iData(aData)
+ {
+ // Do nothing.
+ }
+
+// -----------------------------------------------------------------------------
+// TTlvBase::Begin
+// Start BER-TLV construction
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void TTlvBase::Begin
+ (
+ TUint8 aTag
+ )
+ {
+ TFLOGSTRING("UTILITY: TTlvBase::Begin");
+ iData.Zero();
+ iData.Append( aTag );
+ iData.Append( 0 );
+ }
+
+// -----------------------------------------------------------------------------
+// TTlvBase::AddTag
+// Start new simple TLV
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void TTlvBase::AddTag
+ (
+ TUint8 aTag
+ )
+ {
+ TFLOGSTRING("UTILITY: TTlvBase::AddTag");
+ iData.Append( aTag ); // tag
+ iData.Append( 0 ); // length
+ iLenIndex = iData.Length() - 1; // index to tag length
+ }
+
+// -----------------------------------------------------------------------------
+// TTlvBase::AddByte
+// Add byte data to simple TLV
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void TTlvBase::AddByte
+ (
+ TUint8 aValue
+ )
+ {
+ TFLOGSTRING("UTILITY: TTlvBase::AddByte");
+ iData.Append( aValue );
+ iData[iLenIndex]++;
+ }
+
+// -----------------------------------------------------------------------------
+// TTlvBase::AddData
+// Add desctiptor data to simple TLV
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void TTlvBase::AddData
+ (
+ const TDesC8& aValue
+ )
+ {
+ TFLOGSTRING("UTILITY: TTlvBase::AddData");
+ iData.Append( aValue );
+ iData[ iLenIndex ] = static_cast<TUint8>( iData[ iLenIndex ] +
+ aValue.Length() );
+ }
+
+// -----------------------------------------------------------------------------
+// TTlvBase::End
+// End BER-TLV construction. Adds extra length byte to all simple TLVs that
+// are longer than KMaxOneByteLength (0x7f) and returns descriptor to the new
+// valid BER-TLV.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TDesC8& TTlvBase::End
+ (
+ // None
+ )
+ {
+ TFLOGSTRING("UTILITY: TTlvBase::End");
+ _LIT8( KLenTag, "\x81" );
+
+ TInt i( 3 ); // Index to tag length
+
+ // Scan through all lenghts and insert 'length tag'
+ while ( i < iData.Length() )
+ {
+ if ( iData[i] > KMaxOneByteLength )
+ {
+ iData.Insert( i, KLenTag );
+ i++;
+ }
+ i += iData[i] + 2; // jump to next tag length
+ }
+
+ // Calculate total BER-TLV length
+ iData[1] = static_cast<TUint8>( iData.Length() - 2 );
+ // Insert 'length tag'
+ if ( iData[1] > KMaxOneByteLength )
+ {
+ iData.Insert( 1, KLenTag );
+ }
+
+ // Done, return BER-TLV
+ return iData;
+ }
+
+// -----------------------------------------------------------------------------
+// TTlvBase::GetDataWithoutTopLevelTag
+// End TLV construction. Adds extra length byte to all simple TLVs that are
+// longer than KMaxOneByteLength (0x7f) and returns descriptor to the valid
+// TLVs. To be used without Begin(), nor End() in situations where TLV simple
+// tags are used without top level tag.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TDesC8& TTlvBase::GetDataWithoutTopLevelTag
+ (
+ // None
+ )
+ {
+ TFLOGSTRING("UTILITY: TTlvBase::GetDataWithoutTopLevelTag");
+ _LIT8( KLenTag, "\x81" );
+
+ TInt i( 1 ); // Index to tag length
+
+ // Scan through all lenghts and insert 'length tag'
+ while ( i < iData.Length() )
+ {
+ if ( iData[i] > KMaxOneByteLength )
+ {
+ iData.Insert( i, KLenTag );
+ i++;
+ }
+ i += iData[i] + 2; // Jump to next tag length
+ }
+
+ // Done, return BER-TLV
+ return iData;
+
+ }
+
+//End Of File