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kernel/eka/include/e32des8.h
changeset 0 a41df078684a 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/include/e32des8.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,693 @@
+// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "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:
+// e32\include\e32des8.h
+// 
+//
+
+#ifndef __E32DES8_H__
+#define __E32DES8_H__
+
+/**
+@internalComponent
+*/
+const TUint KMaskDesLength8=0xfffffff;
+
+class TBufCBase8;
+class TDes8;
+class TPtrC8;
+class TPtr8;
+class TPtr16;
+#ifndef __KERNEL_MODE__
+class HBufC8;
+#endif
+class TDesC8
+/**
+@publishedAll
+@released
+
+Abstract base class for 8-bit non-modifiable descriptors.
+
+The class encapsulates the data member containing the length of data
+represented by an 8-bit descriptor. It also provides member functions through
+which the data can be accessed, but not modified.
+
+Data represented by this class is treated as a contiguous set of 8-bit (i.e. 
+single byte) values or data items.
+
+This class cannot be instantiated as it is intended to form part of a class 
+hierarchy; it provides a well defined part of descriptor behaviour. It can, 
+however, be passed as an argument type for functions which want access to 
+descriptor data but do not need to modify that data.
+
+@see TDesC
+@see TPtrC8
+*/
+    {
+public:
+	inline TBool operator<(const TDesC8 &aDes) const;
+	inline TBool operator<=(const TDesC8 &aDes) const;
+	inline TBool operator>(const TDesC8 &aDes) const;
+	inline TBool operator>=(const TDesC8 &aDes) const;
+	inline TBool operator==(const TDesC8 &aDes) const;
+	inline TBool operator!=(const TDesC8 &aDes) const;
+	inline const TUint8 &operator[](TInt anIndex) const;
+	inline TInt Length() const;
+	inline TInt Size() const;
+	IMPORT_C const TUint8 *Ptr() const;
+	IMPORT_C TInt Compare(const TDesC8 &aDes) const;
+	IMPORT_C TInt Match(const TDesC8 &aDes) const;
+	IMPORT_C TInt MatchF(const TDesC8 &aDes) const;
+	IMPORT_C TInt MatchC(const TDesC8 &aDes) const;
+	IMPORT_C TInt Locate(TChar aChar) const;
+	IMPORT_C TInt LocateReverse(TChar aChar) const;
+	IMPORT_C TInt Find(const TDesC8 &aDes) const;
+	IMPORT_C TInt Find(const TUint8 *pS,TInt aLenS) const;
+	IMPORT_C TPtrC8 Left(TInt aLength) const;
+	IMPORT_C TPtrC8 Right(TInt aLength) const;
+	IMPORT_C TPtrC8 Mid(TInt aPos) const;
+	IMPORT_C TPtrC8 Mid(TInt aPos,TInt aLength) const;
+	IMPORT_C TInt CompareF(const TDesC8 &aDes) const;
+#ifndef __KERNEL_MODE__
+	IMPORT_C TInt CompareC(const TDesC8 &aDes) const;
+	IMPORT_C TInt LocateF(TChar aChar) const;
+	IMPORT_C TInt LocateReverseF(TChar aChar) const;
+	IMPORT_C TInt FindF(const TDesC8 &aDes) const;
+	IMPORT_C TInt FindF(const TUint8 *pS,TInt aLenS) const;
+	IMPORT_C TInt FindC(const TDesC8 &aDes) const;
+	IMPORT_C TInt FindC(const TUint8 *pS,TInt aLenS) const;
+	IMPORT_C HBufC8 *Alloc() const;
+	IMPORT_C HBufC8 *AllocL() const;
+	IMPORT_C HBufC8 *AllocLC() const;
+#endif
+protected:
+	inline TDesC8(TInt aType,TInt aLength);
+	inline TDesC8() {}
+// delay this for a while
+#ifdef SYMBIAN_FIX_TDESC_CONSTRUCTORS
+	inline TDesC8( const TDesC8& aOther) : iLength(aOther.iLength) {}
+#endif
+//	inline ~TDesC8() {}			Commented out for the moment since it breaks code
+	inline TInt Type() const;
+	inline void DoSetLength(TInt aLength);
+	IMPORT_C const TUint8 &AtC(TInt anIndex) const;
+private:
+	TUint iLength;
+	__DECLARE_TEST;
+    };
+//
+class TPtrC8 : public TDesC8
+/**
+@publishedAll
+@released
+
+8-bit non-modifiable pointer descriptor.
+
+This is a descriptor class intended for instantiation and encapsulates a
+pointer to the 8-bit data that it represents. The data can live in ROM or RAM
+and this location is separate from the descriptor object itself.
+
+The data is intended to be accessed, but not changed, through this descriptor. 
+The base class provides the functions through which data is accessed.
+
+@see TPtr8
+@see TDesC8
+@see TDes8
+@see TBufC8
+@see TBuf8
+@see HBufC8
+*/
+	{
+public:
+	IMPORT_C TPtrC8();
+	IMPORT_C TPtrC8(const TDesC8 &aDes);
+	IMPORT_C TPtrC8(const TUint8 *aString);
+	IMPORT_C TPtrC8(const TUint8 *aBuf,TInt aLength);
+	inline void Set(const TUint8 *aBuf,TInt aLength);
+	inline void Set(const TDesC8 &aDes);
+	inline void Set(const TPtrC8& aPtr);
+private:
+	TPtrC8& operator=(const TPtrC8 &aDes);
+protected:
+	const TUint8 *iPtr;
+private:
+	__DECLARE_TEST;
+	};
+//
+class TDes8Overflow
+/**
+@publishedAll
+@released
+
+An interface that defines an overflow handler for an 8-bit descriptor.
+
+The interface encapsulates a function that is called when an attempt to append 
+formatted text fails because the descriptor is already at its maximum length.
+
+A derived class must provide an implementation for the Overflow() member
+function.
+
+@see TDes8::AppendFormat
+*/
+	{
+public:
+    /**
+    Handles the overflow.
+    
+    This function is called when the TDes8::AppendFormat() variant that takes
+    an overflow handler argument, fails.
+	
+	@param aDes The 8-bit modifiable descriptor whose overflow results in the 
+	            call to this overflow handler.
+	*/
+	virtual void Overflow(TDes8 &aDes)=0;
+	};
+//
+class TDes8IgnoreOverflow : public TDes8Overflow
+/**
+@publishedAll
+@released
+
+A derived class which provides an implementation for the Overflow() member function
+where truncation is required.
+
+@see TDes16::AppendFormat
+*/
+	{
+public:
+	/**
+	Handles the overflow.
+	
+	This function is called when the TDes8::AppendFormat() 
+	variant that takes an overflow handler argument, fails.
+	
+	@param aDes The 8-bit modifiable descriptor whose overflow results in the 
+	            call to this overflow handler.
+	*/
+	IMPORT_C virtual void Overflow(TDes8 &aDes);
+	};
+//
+class TDesC16;
+class TRealFormat;
+class TDes8 : public TDesC8
+/** 
+@publishedAll
+@released
+
+Abstract base class for 8-bit modifiable descriptors.
+
+The class encapsulates the data member containing the maximum length of data
+represented by an 8-bit descriptor. It also provides member functions through
+which the data can be modified.
+
+The class adds to the behaviour provided by TDesC8.
+
+This class cannot be instantiated as it is intended to form part of a class 
+hierarchy; it provides a well defined part of descriptor behaviour. It can, 
+however, be passed as an argument type for functions which need to both modify 
+and access descriptor data.
+
+@see TDes
+@see TDesC8
+@see TDesC16
+*/
+	{
+public:
+	inline TDes8& operator=(const TUint8 *aString);
+	inline TDes8& operator=(const TDesC8 &aDes);
+	inline TDes8& operator=(const TDes8 &aDes);
+	inline TInt MaxLength() const;
+	inline TInt MaxSize() const;
+	inline const TUint8 &operator[](TInt anIndex) const;
+	inline TUint8 &operator[](TInt anIndex);
+	inline TDes8 &operator+=(const TDesC8 &aDes);
+	IMPORT_C void Zero();
+ 	IMPORT_C void SetLength(TInt aLength);
+ 	IMPORT_C void SetMax();
+	IMPORT_C void Copy(const TDesC8 &aDes);
+	IMPORT_C void Copy(const TUint8 *aBuf,TInt aLength);
+	IMPORT_C void Copy(const TUint8 *aString);
+	IMPORT_C void Copy(const TDesC16 &aDes);
+	IMPORT_C void Append(TChar aChar);
+	IMPORT_C void Append(const TDesC8 &aDes);
+	IMPORT_C void Append(const TDesC16 &aDes);
+	IMPORT_C void Append(const TUint8 *aBuf,TInt aLength);
+	IMPORT_C void Fill(TChar aChar);
+	IMPORT_C void Fill(TChar aChar,TInt aLength);
+	IMPORT_C void FillZ();
+	IMPORT_C void FillZ(TInt aLength);
+	IMPORT_C void Num(TInt64 aVal);
+	IMPORT_C void Num(TUint64 aVal, TRadix aRadix);
+	IMPORT_C void NumFixedWidth(TUint aVal,TRadix aRadix,TInt aWidth);
+	IMPORT_C void AppendNum(TInt64 aVal);
+	IMPORT_C void AppendNum(TUint64 aVal, TRadix aRadix);
+	IMPORT_C void AppendNumFixedWidth(TUint aVal,TRadix aRadix,TInt aWidth);
+#ifndef __KERNEL_MODE__
+	IMPORT_C TPtr8 LeftTPtr(TInt aLength) const;
+	IMPORT_C TPtr8 RightTPtr(TInt aLength) const;
+	IMPORT_C TPtr8 MidTPtr(TInt aPos) const;
+	IMPORT_C TPtr8 MidTPtr(TInt aPos,TInt aLength) const;
+	IMPORT_C const TUint8 *PtrZ();
+	IMPORT_C void CopyF(const TDesC8 &aDes);
+	IMPORT_C void CopyC(const TDesC8 &aDes);
+	IMPORT_C void CopyLC(const TDesC8 &aDes);
+	IMPORT_C void CopyUC(const TDesC8 &aDes);
+	IMPORT_C void CopyCP(const TDesC8 &aDes);
+	IMPORT_C void Swap(TDes8 &aDes);
+	IMPORT_C void AppendFill(TChar aChar,TInt aLength);
+	IMPORT_C void ZeroTerminate();
+	IMPORT_C void Fold();
+	IMPORT_C void Collate();
+	IMPORT_C void LowerCase();
+	IMPORT_C void UpperCase();
+	IMPORT_C void Capitalize();
+	IMPORT_C void Repeat(const TUint8 *aBuf,TInt aLength);
+	IMPORT_C void Repeat(const TDesC8 &aDes);
+	IMPORT_C void Trim();
+	IMPORT_C void TrimAll();
+	IMPORT_C void TrimLeft();
+	IMPORT_C void TrimRight();
+	IMPORT_C void Insert(TInt aPos,const TDesC8 &aDes);
+	IMPORT_C void Delete(TInt aPos,TInt aLength);
+	IMPORT_C void Replace(TInt aPos,TInt aLength,const TDesC8 &aDes);
+	IMPORT_C void Justify(const TDesC8 &aDes,TInt aWidth,TAlign anAlignment,TChar aFill);
+	IMPORT_C void NumFixedWidthUC(TUint aVal,TRadix aRadix,TInt aWidth);
+	IMPORT_C void NumUC(TUint64 aVal, TRadix aRadix=EDecimal);
+	IMPORT_C TInt Num(TReal aVal,const TRealFormat &aFormat) __SOFTFP;
+	IMPORT_C void AppendNumFixedWidthUC(TUint aVal,TRadix aRadix,TInt aWidth);
+	IMPORT_C TInt AppendNum(TReal aVal,const TRealFormat &aFormat) __SOFTFP;
+	IMPORT_C void AppendNumUC(TUint64 aVal,TRadix aRadix=EDecimal);
+	IMPORT_C void Format(TRefByValue<const TDesC8> aFmt,...);
+	IMPORT_C void FormatList(const TDesC8 &aFmt,VA_LIST aList);
+	IMPORT_C void AppendJustify(const TDesC8 &Des,TInt aWidth,TAlign anAlignment,TChar aFill);
+	IMPORT_C void AppendJustify(const TDesC8 &Des,TInt aLength,TInt aWidth,TAlign anAlignment,TChar aFill);
+	IMPORT_C void AppendJustify(const TUint8 *aString,TInt aWidth,TAlign anAlignment,TChar aFill);
+	IMPORT_C void AppendJustify(const TUint8 *aString,TInt aLength,TInt aWidth,TAlign anAlignment,TChar aFill);
+	IMPORT_C void AppendFormat(TRefByValue<const TDesC8> aFmt,TDes8Overflow *aOverflowHandler,...);
+	IMPORT_C void AppendFormat(TRefByValue<const TDesC8> aFmt,...);
+	IMPORT_C void AppendFormatList(const TDesC8 &aFmt,VA_LIST aList,TDes8Overflow *aOverflowHandler=NULL);
+	IMPORT_C TPtr16 Expand();
+	IMPORT_C void Collapse();
+#endif //__KERNEL_MODE__
+protected:
+	inline TDes8(TInt aType,TInt aLength,TInt aMaxLength);
+	inline TUint8 *WPtr() const;
+	inline TDes8() {}
+// delay this for a while
+#ifdef SYMBIAN_FIX_TDESC_CONSTRUCTORS
+	inline TDes8(const TDes8& aOther) : TDesC8(aOther), iMaxLength(aOther.iMaxLength) {}
+#endif
+	void DoAppendNum(TUint64 aVal, TRadix aRadix, TUint aA, TInt aW);
+	void DoPadAppendNum(TInt aLength, TInt aW, const TUint8* aBuf);
+protected:
+	TInt iMaxLength;
+	__DECLARE_TEST;
+    };
+//
+class TPtr8 : public TDes8
+/**
+@publishedAll
+@released
+
+8-bit modifiable pointer descriptor.
+
+This is a descriptor class intended for instantiation and encapsulates a
+pointer to the 8-bit data that it represents. The data can live in ROM or
+RAM and this location is separate from the descriptor object itself.
+
+The data is intended to be accessed and modified through this descriptor. 
+The base classes provide the functions through which the data can be 
+manipulated.
+
+@see TPtr
+@see TPtrC8
+@see TDesC8
+@see TDes8
+@see TBufC8
+@see TBuf8
+@see HBufC8
+*/
+	{
+public:
+	IMPORT_C TPtr8(TUint8 *aBuf,TInt aMaxLength);
+	IMPORT_C TPtr8(TUint8 *aBuf,TInt aLength,TInt aMaxLength);
+	inline TPtr8& operator=(const TUint8 *aString);
+	inline TPtr8& operator=(const TDesC8& aDes);
+	inline TPtr8& operator=(const TPtr8& aPtr);
+	inline void Set(TUint8 *aBuf,TInt aLength,TInt aMaxLength);
+	inline void Set(const TPtr8 &aPtr);
+private:
+	IMPORT_C TPtr8(TBufCBase8 &aLcb,TInt aMaxLength);
+protected:
+	TUint8 *iPtr;
+private:
+	friend class TBufCBase8;
+	__DECLARE_TEST;
+	};
+//
+class TBufCBase8 : public TDesC8
+/**
+@internalAll
+*/
+	{
+protected:
+	IMPORT_C TBufCBase8();
+	inline TBufCBase8(TInt aLength);
+	IMPORT_C TBufCBase8(const TUint8 *aString,TInt aMaxLength);
+	IMPORT_C TBufCBase8(const TDesC8 &aDes,TInt aMaxLength);
+	IMPORT_C void Copy(const TUint8 *aString,TInt aMaxLength);
+	IMPORT_C void Copy(const TDesC8 &aDes,TInt aMaxLength);
+	inline TPtr8 DoDes(TInt aMaxLength);
+	inline TUint8 *WPtr() const;
+	};
+//
+#ifndef __KERNEL_MODE__
+class RReadStream;
+class HBufC8 : public TBufCBase8
+/**
+@publishedAll
+@released
+
+8-bit heap descriptor.
+
+This is a descriptor class which provides a buffer of fixed length, allocated 
+on the heap, for containing and accessing data.
+
+The class is intended for instantiation.
+
+Heap descriptors have the important property that they can be made larger 
+or smaller, changing the size of the descriptor buffer. This is achieved by 
+reallocating the descriptor. Unlike the behaviour of dynamic buffers, 
+reallocation is not done automatically.
+
+Data is intended to be accessed, but not modified; however, it can be 
+completely replaced using the assignment operators of this class. The base
+class (TDesC8) provides the functions through which the data is accessed.
+
+The descriptor is hosted by a heap cell, and the 8-bit data that the
+descriptor represents is part of the descriptor object itself. The size of the
+cell depends on the requested maximum length of the descriptor buffer when the
+descriptor is created or re-allocated.
+
+It is important to note that the size of the allocated cell, and, therefore, 
+the resulting maximum length of the descriptor, may be larger than requested 
+due to the way memory is allocated in Symbian OS. The amount by which this 
+may be rounded up depends on the platform and build type.
+
+@see HBufC
+@see TPtr8
+@see TDesC8
+*/
+	{
+public:
+	IMPORT_C static HBufC8 *New(TInt aMaxLength);
+	IMPORT_C static HBufC8 *NewL(TInt aMaxLength);
+	IMPORT_C static HBufC8 *NewLC(TInt aMaxLength);
+	IMPORT_C static HBufC8 *NewMax(TInt aMaxLength);
+	IMPORT_C static HBufC8 *NewMaxL(TInt aMaxLength);
+	IMPORT_C static HBufC8 *NewMaxLC(TInt aMaxLength);
+	IMPORT_C static HBufC8 *NewL(RReadStream &aStream,TInt aMaxLength);
+	IMPORT_C static HBufC8 *NewLC(RReadStream &aStream,TInt aMaxLength);
+	IMPORT_C HBufC8& operator=(const TUint8 *aString);
+	IMPORT_C HBufC8& operator=(const TDesC8 &aDes);
+	inline HBufC8& operator=(const HBufC8 &aLcb);
+	IMPORT_C HBufC8 *ReAlloc(TInt aMaxLength);
+	IMPORT_C HBufC8 *ReAllocL(TInt aMaxLength);
+	IMPORT_C TPtr8 Des();
+private:
+	inline HBufC8(TInt aLength);
+private:
+	TText8 iBuf[1];
+	__DECLARE_TEST;
+	};
+#endif
+//
+/**
+@internalComponent
+*/
+#define __Size8 (sizeof(TInt)/sizeof(TInt8))
+/**
+@internalComponent
+*/
+#define __Align8(s) ((((s)+__Size8-1)/__Size8)*__Size8)
+//
+template <TInt S>
+class TBufC8 : public TBufCBase8
+/**
+@publishedAll
+@released
+
+8-bit non-modifiable buffer descriptor. 
+
+This is a descriptor class which provides a buffer of fixed length for
+containing and accessing TUint8 data.
+
+The class intended for instantiation. The 8-bit data that the descriptor
+represents is part of the descriptor object itself. 
+
+The class is templated, based on an integer value which defines the size of 
+the descriptor's data area.
+
+The data is intended to be accessed, but not modified; however, it can be 
+completely replaced using the assignment operators of this class. The base 
+class provides the functions through which the data is accessed.
+
+@see TBufC
+@see TDesC8
+@see TPtr8
+@see TUint8
+*/
+	{
+public:
+	inline TBufC8();
+    inline TBufC8(const TUint8 *aString);
+	inline TBufC8(const TDesC8 &aDes);
+	inline TBufC8<S> &operator=(const TUint8 *aString);
+	inline TBufC8<S> &operator=(const TDesC8 &aDes);
+	inline TPtr8 Des();
+protected:
+	TUint8 iBuf[__Align8(S)];
+	};
+//
+class TBufBase8 : public TDes8
+/**
+@internalAll
+*/
+	{
+protected:
+	IMPORT_C TBufBase8(TInt aMaxLength);
+	IMPORT_C TBufBase8(TInt aLength,TInt aMaxLength);
+	IMPORT_C TBufBase8(const TUint8* aString,TInt aMaxLength);
+	IMPORT_C TBufBase8(const TDesC8& aDes,TInt aMaxLength);
+	};
+//
+template <TInt S>
+class TBuf8 : public TBufBase8
+/**
+@publishedAll
+@released
+
+A descriptor class which provides a buffer of fixed length for
+containing, accessing and manipulating TUint8 data.
+
+The class is intended for instantiation. The 8-bit data that the descriptor 
+represents is part of the descriptor object itself.
+
+The class is templated, based on an integer value which determines the size 
+of the data area which is created as part of the buffer descriptor object; 
+this is also the maximum length of the descriptor.
+
+The data is intended to be both accessed and modified. The base classes provide 
+the functions through which the data is accessed.
+
+@see TBuf
+@see TDesC8
+@see TDes8
+@see TPtr8
+*/
+	{
+public:
+	inline TBuf8();
+	inline explicit TBuf8(TInt aLength);
+    inline TBuf8(const TUint8* aString);
+	inline TBuf8(const TDesC8& aDes);
+	inline TBuf8<S>& operator=(const TUint8* aString);
+	inline TBuf8<S>& operator=(const TDesC8& aDes);
+	inline TBuf8<S>& operator=(const TBuf8<S>& aBuf);
+protected:
+	TUint8 iBuf[__Align8(S)];
+	};
+
+//
+template <TInt S>
+class TAlignedBuf8 : public TBufBase8
+/**
+@internalComponent
+
+A descriptor class functionally identical to TBuf8, the only
+difference from it being that TAlignedBuf8's internal buffer 
+is guaranteed to be 64-bit aligned.
+
+At present this class is not intended for general use. It exists
+solely to support TPckgBuf which derives from it.
+
+@see TBuf8
+@see TPckgBuf
+*/
+{
+public:
+	inline TAlignedBuf8();
+	inline explicit TAlignedBuf8(TInt aLength);
+    inline TAlignedBuf8(const TUint8* aString);
+	inline TAlignedBuf8(const TDesC8& aDes);
+	inline TAlignedBuf8<S>& operator=(const TUint8* aString);
+	inline TAlignedBuf8<S>& operator=(const TDesC8& aDes);
+	inline TAlignedBuf8<S>& operator=(const TAlignedBuf8<S>& aBuf);
+protected:
+	union {
+		double only_here_to_force_8byte_alignment;
+		TUint8 iBuf[__Align8(S)];
+	};
+};
+
+#ifndef __KERNEL_MODE__
+
+class RBuf8 : public TDes8
+/**
+@publishedAll
+@released
+
+8 bit resizable buffer descriptor.
+
+The class provides a buffer that contains, accesses and manipulates
+TUint8 data. The buffer itself is on the heap, and is managed by the class.
+
+Internally, RBuf8 behaves in one of two ways:
+
+- as a TPtr8 descriptor type, where the buffer just contains data
+- as a pointer to a heap descriptor, an HBufC8* type, where the buffer
+  contains both	descriptor information and the data.
+
+Note that the handling of the distinction is hidden from view.
+
+An RBuf8 object can allocate its own buffer. Alternatively, it can take
+ownership of a pre-existing section of allocated memory, or it can take
+ownership of a pre-existing heap descriptor. It can also reallocate the buffer
+to resize it. Regardless of the way in which the buffer has been allocated,
+the RBuf8 object is responsible for freeing memory when the object itself is closed.
+
+The class is intended for instantiation.
+
+The class is derived from TDes8, which means that data can be both accessed
+and modified. The base classes provide the functions through which the data is
+accessed. In addition, an RBuf8 object can be passed to any function that is
+prototyped to take a TDes8 or a TDesC8 type.
+
+@see TBuf8
+@see TPtr8
+@see HBufC8
+@see TDesC8
+@see TDes8
+*/
+	{
+public:
+	IMPORT_C RBuf8();
+	IMPORT_C explicit RBuf8(HBufC8* aHBuf);
+	inline RBuf8& operator=(const TUint8* aString);
+	inline RBuf8& operator=(const TDesC8& aDes);
+	inline RBuf8& operator=(const RBuf8& aDes);
+	IMPORT_C void Assign(const RBuf8& aRBuf);
+	IMPORT_C void Assign(TUint8 *aHeapCell,TInt aMaxLength);
+	IMPORT_C void Assign(TUint8 *aHeapCell,TInt aLength,TInt aMaxLength);
+	IMPORT_C void Assign(HBufC8* aHBuf);
+	IMPORT_C void Swap(RBuf8& aRBuf);
+	IMPORT_C TInt Create(TInt aMaxLength);
+	IMPORT_C void CreateL(TInt aMaxLength);
+	IMPORT_C TInt CreateMax(TInt aMaxLength);
+	IMPORT_C void CreateMaxL(TInt aMaxLength);
+	inline void CreateL(RReadStream &aStream,TInt aMaxLength);
+	IMPORT_C TInt Create(const TDesC8& aDes);
+	IMPORT_C void CreateL(const TDesC8& aDes);
+	IMPORT_C TInt Create(const TDesC8& aDes,TInt aMaxLength);
+	IMPORT_C void CreateL(const TDesC8& aDes,TInt aMaxLength);
+	IMPORT_C TInt ReAlloc(TInt aMaxLength);
+	IMPORT_C void ReAllocL(TInt aMaxLength);
+	IMPORT_C void Close();
+	IMPORT_C void CleanupClosePushL();
+
+protected:
+	IMPORT_C RBuf8(TInt aType,TInt aLength,TInt aMaxLength);
+	RBuf8(const RBuf8&); // Outlaw copy construction
+	union
+		{
+		TUint8* iEPtrType;		//Pointer to data used when RBuf is of EPtr type
+		HBufC8* iEBufCPtrType;	//Pointer to data used when RBuf is of EBufCPtr type
+		};
+	__DECLARE_TEST;
+	};
+
+#endif
+
+/**
+@publishedAll
+@released
+
+Value reference used in operator TLitC8::__TRefDesC8()
+
+@see TRefByValue
+*/
+typedef TRefByValue<const TDesC8> __TRefDesC8;
+
+
+
+
+template <TInt S>
+class TLitC8
+/**
+@publishedAll
+@released
+
+Encapsulates literal text. 
+
+This is always constructed using an _LIT8 macro.
+
+This class is build independent; i.e. an explicit 8-bit build variant
+is generated for both a non-Unicode build and a Unicode build.
+
+The class has no explicit constructors.
+
+@see _LIT8
+*/
+	{
+public:
+	inline const TDesC8* operator&() const;
+	inline operator const TDesC8&() const;
+	inline const TDesC8& operator()() const;
+	inline operator const __TRefDesC8() const;
+public:
+    /**
+    @internalComponent
+    */
+	TUint iTypeLength;
+	
+	/**
+    @internalComponent
+    */
+	TText8 iBuf[__Align8(S)];
+	};
+
+#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include <e32des8_private.h>
+#endif
+
+#endif
FCL/sf/os/kernelhwsrv