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#ifndef __S32STRM_H__
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#define __S32STRM_H__/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <e32base.h>
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#include <s32buf.h>
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/**
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* @file
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* @internalComponent
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*/
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namespace store_private
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{
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class MemStreamBuf;
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class FileStreamBuf;
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};
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class RWriteStream;
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class RReadStream
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{
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public:
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RReadStream();
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void Close();
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IMPORT_C void Release();
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//
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IMPORT_C void PushL();
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inline void Pop();
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//
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IMPORT_C void ReadL(TDes8& aDes);
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IMPORT_C void ReadL(TDes8& aDes,TInt aLength);
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IMPORT_C void ReadL(TDes8& aDes,TChar aDelim);
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IMPORT_C void ReadL(TUint8* aPtr,TInt aLength);
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IMPORT_C void ReadL(TInt aLength);
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inline void ReadL(RWriteStream& aStream);
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inline void ReadL(RWriteStream& aStream,TInt aLength);
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//
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IMPORT_C void ReadL(TDes16& aDes);
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IMPORT_C void ReadL(TDes16& aDes,TInt aLength);
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IMPORT_C void ReadL(TDes16& aDes,TChar aDelim);
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IMPORT_C void ReadL(TUint16* aPtr,TInt aLength);
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//
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IMPORT_C TInt8 ReadInt8L();
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IMPORT_C TInt16 ReadInt16L();
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IMPORT_C TInt32 ReadInt32L();
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IMPORT_C TUint8 ReadUint8L();
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IMPORT_C TUint16 ReadUint16L();
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IMPORT_C TUint32 ReadUint32L();
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protected:
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friend class CPermanentFileStore;
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MStreamBuf *iSrc; // Owned by store not this object
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};
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class RWriteStream
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{
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public:
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RWriteStream();
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IMPORT_C void Close();
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IMPORT_C void Release();
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IMPORT_C void CommitL();
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//
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//
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IMPORT_C void WriteL(const TDesC8& aDes);
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IMPORT_C void WriteL(const TDesC8& aDes,TInt aLength);
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IMPORT_C void WriteL(const TUint8* aPtr,TInt aLength);
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IMPORT_C void WriteL(RReadStream& aStream);
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IMPORT_C void WriteL(RReadStream& aStream,TInt aLength);
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//
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IMPORT_C void WriteL(const TDesC16& aDes);
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IMPORT_C void WriteL(const TDesC16& aDes,TInt aLength);
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IMPORT_C void WriteL(const TUint16* aPtr,TInt aLength);
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//
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IMPORT_C void WriteInt8L(TInt aValue);
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IMPORT_C void WriteInt16L(TInt aValue);
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IMPORT_C void WriteInt32L(TInt32 aValue);
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IMPORT_C void WriteUint8L(TUint aValue);
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IMPORT_C void WriteUint16L(TUint aValue);
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IMPORT_C void WriteUint32L(TUint32 aValue);
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protected:
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friend class CPermanentFileStore;
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MStreamBuf *iSnk; // Owned by store not this object
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};
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class TCardinality
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{
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public:
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TCardinality() : iCount(0) {}
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inline TCardinality(TInt aCount);
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inline operator TInt() const;
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//
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IMPORT_C void ExternalizeL(RWriteStream& aStream) const;
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IMPORT_C void InternalizeL(RReadStream& aStream);
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private:
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TInt iCount;
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private:
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IMPORT_C static void __DbgChkRange(TInt aCount);
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};
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class TDesHeader
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{
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public:
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TDesHeader() {}
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inline TDesHeader(const TDesC8& aDes8);
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inline TDesHeader(const TDesC16& aDes16);
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inline TDesHeader& operator=(const TDesC8& aDes8);
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inline TDesHeader& operator=(const TDesC16& aDes16);
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//
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inline TBool IsWidth8() const;
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inline TBool IsWidth16() const;
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inline TInt Length() const;
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//
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inline void ExternalizeL(RWriteStream& aStream) const;
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inline void InternalizeL(RReadStream& aStream);
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private:
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TCardinality iVal;
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};
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class TDesInternalizer
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{
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public:
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inline const TDesHeader& Header() const;
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inline TDesHeader& Header();
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//
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void operator()(TDes8& aDes8,RReadStream& aStream) const;
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void operator()(TDes16& aDes16,RReadStream& aStream) const;
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void ReadDesc8L (TDes8& aDes8,RReadStream& aStream) const;
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void ReadDesc16L (TDes16& aDes16,RReadStream& aStream) const;
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private:
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TDesHeader iHeader;
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};
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class Externalize
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{
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public:
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/** Indicates that an object will be externalized by calling its
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ExternalizeL() member. */
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class Member {};
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/** Indicates that an object will be externalized by calling a global
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ExternalizeL() function. */
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class Function {};
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};
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/**
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* A class whose members are used to distinguish between the two variants of
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the Symbian OS internal function DoInternalizeL().
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*/
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class Internalize
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{
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public:
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/** Indicates that an object will be internalized by calling its
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InternalizeL() member. */
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class Member {};
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/** Indicates that an object will be internalized by calling a global
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InternalizeL() function. */
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class Function {};
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};
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template <class T>
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inline RWriteStream& operator<<(RWriteStream& aStream,const T& anObject);
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template <class T>
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inline RReadStream& operator>>(RReadStream& aStream,T& anObject);
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#include <s32strm.inl>
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#endif
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