1.1 --- a/epoc32/include/comms-infras/metatypevariablelen.h Wed Mar 31 12:27:01 2010 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,238 +0,0 @@
1.4 -// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 -// All rights reserved.
1.6 -// This component and the accompanying materials are made available
1.7 -// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
1.8 -// which accompanies this distribution, and is available
1.9 -// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
1.10 -//
1.11 -// Initial Contributors:
1.12 -// Nokia Corporation - initial contribution.
1.13 -//
1.14 -// Contributors:
1.15 -//
1.16 -// Description:
1.17 -// MetaTypeVariableLen.h
1.18 -//
1.19 -//
1.20 -
1.21 -
1.22 -
1.23 -/**
1.24 - @file MetaTypeVariableLen.h
1.25 - @internalTechnology
1.26 -*/
1.27 -
1.28 -#if (!defined METATYPEVARIABLELEN_H)
1.29 -#define METATYPEVARIABLELEN_H
1.30 -
1.31 -#include <comms-infras/metatype.h>
1.32 -
1.33 -namespace Meta
1.34 -{
1.35 -
1.36 -template<class TYPE> class TMetaVarLen8;
1.37 -template<class TYPE> class TMetaVarLen16;
1.38 -typedef TMetaVarLen8<TDes8> TMetaDes8;
1.39 -typedef TMetaVarLen16<TDes16> TMetaDes16;
1.40 -
1.41 -#if defined(_UNICODE)
1.42 -typedef TMetaDes16 TMetaDes;
1.43 -#else
1.44 -typedef TMetaDes8 TMetaDes;
1.45 -#endif
1.46 -
1.47 -class TMetaVarLenBase : public MMetaType
1.48 - {
1.49 - public:
1.50 - IMPORT_C virtual TInt Load(TPtrC8& aBuffer);
1.51 - IMPORT_C virtual TInt Store(TDes8& aBuffer) const;
1.52 -
1.53 - protected:
1.54 - TInt CheckBuf( TPtrC8& aBuffer );
1.55 - virtual void CopyBuf(TPtrC8& aBuffer,TInt aLen) = 0;
1.56 - virtual void AppendToBuf( TDes8& aBuffer ) const = 0;
1.57 - };
1.58 -
1.59 -template<class TYPE>
1.60 -class TMetaVarLen : public TMetaVarLenBase
1.61 -/**
1.62 -
1.63 -Implementation of MMetaType for anything that provides Length(), SetLength(), MaxLength(),
1.64 -Copy() and Left() functions with arbitrarry element size
1.65 -
1.66 -@internalComponent
1.67 -@released since v9.0 */
1.68 - {
1.69 -public:
1.70 - virtual void Copy(const TAny* aData);
1.71 -
1.72 -protected:
1.73 - TMetaVarLen(const TAny* aData);
1.74 -
1.75 -protected:
1.76 - TYPE* iData;
1.77 - };
1.78 -
1.79 -template<class TYPE>
1.80 -inline TMetaVarLen<TYPE>::TMetaVarLen(const TAny* aData)
1.81 -: iData((TYPE*)aData)
1.82 -/**
1.83 - * Constructor
1.84 - */
1.85 - {
1.86 - __ASSERT_DEBUG(iData!=NULL,User::Panic(_L("TMetaVarLen"),KErrArgument));
1.87 - }
1.88 -
1.89 -template<class TYPE>
1.90 -void TMetaVarLen<TYPE>::Copy(const TAny* aData)
1.91 -/**
1.92 - * Copies content of the member
1.93 - */
1.94 - {
1.95 - const TYPE& var = *((TYPE*)aData);
1.96 - iData->Copy(var.Left( iData->MaxLength() ));
1.97 - }
1.98 -
1.99 -template<class TYPE>
1.100 -class TMetaVarLen8 : public TMetaVarLen<TYPE>
1.101 -/**
1.102 -
1.103 -Implementation of MMetaType for anything that provides Length(), SetLength(), MaxLength(),
1.104 -Copy() and Left() functions with element size 1 byte
1.105 -Like for example TDes8, TBuf8, TPtr8.
1.106 -
1.107 -@internalComponent
1.108 -@released since v9.0 */
1.109 - {
1.110 -public:
1.111 - inline static MMetaType* NewL(const TAny* aMem, const TAny* aData);
1.112 -
1.113 - virtual TInt Length() const;
1.114 -
1.115 -protected:
1.116 - TMetaVarLen8(const TAny* aData);
1.117 - virtual void AppendToBuf( TDes8& aBuffer ) const;
1.118 - virtual void CopyBuf(TPtrC8& aBuffer,TInt aLen);
1.119 -
1.120 - };
1.121 -
1.122 -template<class TYPE>
1.123 -class TMetaVarLen16 : public TMetaVarLen<TYPE>
1.124 -/**
1.125 -
1.126 -Implementation of MMetaType for anything that provides Length(), SetLength(), MaxLength(),
1.127 -Copy() and Left() functions with element size 2 bytes
1.128 -Like for example TDes16, TBuf16, TPtr16 (ELEMENT is short).
1.129 -
1.130 -@internalComponent
1.131 -@released since v9.0 */
1.132 - {
1.133 -public:
1.134 - inline static MMetaType* NewL(const TAny* aMem, const TAny* aData);
1.135 -
1.136 - virtual TInt Length() const;
1.137 -
1.138 -protected:
1.139 - TMetaVarLen16(const TAny* aData);
1.140 - virtual void AppendToBuf( TDes8& aBuffer ) const;
1.141 - virtual void CopyBuf(TPtrC8& aBuffer,TInt aLen);
1.142 -
1.143 - };
1.144 -
1.145 -
1.146 -template<class TYPE>
1.147 -inline TMetaVarLen16<TYPE>::TMetaVarLen16(const TAny* aData)
1.148 -: TMetaVarLen<TYPE>(aData)
1.149 -/**
1.150 - * Constructor
1.151 - */
1.152 - {
1.153 - }
1.154 -
1.155 -template<class TYPE>
1.156 -MMetaType* TMetaVarLen16<TYPE>::NewL(const TAny* aMem, const TAny* aData)
1.157 -/**
1.158 - * Instantiates a meta type of a particular type.
1.159 - * Used for attribure registration (in the data v-table).
1.160 - */
1.161 - {
1.162 - return ::new ((TUint8*)aMem) TMetaVarLen16<TYPE>(aData);
1.163 - }
1.164 -
1.165 -template<class TYPE>
1.166 -void TMetaVarLen16<TYPE>::AppendToBuf( TDes8& aBuffer ) const
1.167 - {
1.168 - //copy whatever fits in (no loosing high byte as the ::Copy normally would)
1.169 - //a litle bit dirty solution assuming a flat memory model and byte addressing mode
1.170 - aBuffer.Append(reinterpret_cast<const TUint8*>(this->iData->Ptr()), this->iData->Length() * 2);
1.171 - }
1.172 -
1.173 -template<class TYPE>
1.174 -void TMetaVarLen16<TYPE>::CopyBuf(TPtrC8& aBuffer,TInt aLen)
1.175 - {
1.176 - //copy whatever fits in
1.177 - //a litle bit dirty solution assuming a flat memory model and byte addressing mode
1.178 - this->iData->Copy( reinterpret_cast<const TUint16*>(aBuffer.Ptr()), Min( this->iData->MaxLength(), aLen / 2 ));
1.179 - }
1.180 -
1.181 -template<class TYPE>
1.182 -TInt TMetaVarLen16<TYPE>::Length() const
1.183 -/**
1.184 - * Returns the length of the data member
1.185 - */
1.186 - {
1.187 - return this->iData->Length() * 2 + sizeof(TUint32);
1.188 - }
1.189 -
1.190 -template<class TYPE>
1.191 -inline TMetaVarLen8<TYPE>::TMetaVarLen8(const TAny* aData)
1.192 -: TMetaVarLen<TYPE>(aData)
1.193 -/**
1.194 - * Constructor
1.195 - */
1.196 - {
1.197 - }
1.198 -
1.199 -template<class TYPE>
1.200 -MMetaType* TMetaVarLen8<TYPE>::NewL(const TAny* aMem, const TAny* aData)
1.201 -/**
1.202 - * Instantiates a meta type of a particular type.
1.203 - * Used for attribure registration (in the data v-table).
1.204 - */
1.205 - {
1.206 - return ::new ((TUint8*)aMem) TMetaVarLen8<TYPE>(aData);
1.207 - }
1.208 -
1.209 -template<class TYPE>
1.210 -#ifdef SYMBIAN_NETWORKING_CFTRANSPORT
1.211 -void TMetaVarLen8<TYPE>::CopyBuf(TPtrC8& aBuffer,TInt aLen)
1.212 - {
1.213 - //copy whatever fits in
1.214 - this->iData->Copy( aBuffer.Left( Min(this->iData->MaxLength(), aLen) ) );
1.215 - }
1.216 -#else
1.217 -void TMetaVarLen8<TYPE>::CopyBuf(TPtrC8& aBuffer,TInt /*aLen*/)
1.218 - {
1.219 - this->iData->Copy( aBuffer.Left( this->iData->MaxLength() ) );
1.220 - }
1.221 -#endif
1.222 -
1.223 -template<class TYPE>
1.224 -void TMetaVarLen8<TYPE>::AppendToBuf( TDes8& aBuffer ) const
1.225 - {
1.226 - aBuffer.Append(*this->iData);
1.227 - }
1.228 -
1.229 -template<class TYPE>
1.230 -TInt TMetaVarLen8<TYPE>::Length() const
1.231 -/**
1.232 - * Returns the length of the data member
1.233 - */
1.234 - {
1.235 - return this->iData->Length() + sizeof(TUint32);
1.236 - }
1.237 -
1.238 -} //namespace Meta
1.239 -
1.240 -
1.241 -#endif //METATYPE_H