epoc32/include/e32des16.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
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Current Symbian^3 public API header files (from PDK 3.0.h) This is the epoc32/include tree with the "platform" subtrees removed, and all but a selected few mbg and rsg files removed.
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// Copyright (c) 1995-2009 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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// e32\include\e32des16.h
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// 
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//
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#ifndef __E32DES16_H__
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#define __E32DES16_H__
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/**
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@internalComponent
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*/
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const TUint KMaskDesLength16=0xfffffff;
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class TBufCBase16;
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class TDes16;
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class TPtrC16;
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class TPtr16;
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struct TCollationMethod;
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class HBufC16;
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class HBufC8;
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class TDesC16
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/**
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@publishedAll
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@released
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Abstract base class for 16-bit descriptors.
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The class encapsulates the data member containing the length of data
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represented by a 16-bit descriptor. It also provides member functions through
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which the data can be accessed, but not modified.
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Data represented by this class is treated as a contiguous set of 16-bit (i.e. 
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double byte) values or data items.
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This class cannot be instantiated as it is intended to form part of a class 
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hierarchy; it provides a well defined part of descriptor behaviour. It can, 
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however, be passed as an argument type for functions which want access to 
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descriptor data but do not need to modify that data.
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@see TDesC
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@see TPtrC16
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*/
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    {
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public:
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    /**
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    A value returned by a call to HasPrefixC().
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    @see TDesC16::HasPrefixC
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    */
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	enum TPrefix {
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	              /**
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	              Indicates that a supplied prefix can be extended to
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                  be equivalent to the text at the start of a descriptor.
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	              */
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	              EIsPrefix = 0,
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   	              /**
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   	              Indicates that a supplied prefix does not seem to be a
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   	              prefix, but it is possible that it could be extended to
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   	              become equivalent to text at the start of this descriptor.
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                  */
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	              EMightBePrefix = 1,
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   	              /**
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   	              Indicates that a supplied prefix cannot be extended to be
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   	              equivalent to the text at the start of a descriptor.
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                  */
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	              EIsNotPrefix = 2
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	             };
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public:
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	inline TBool operator<(const TDesC16 &aDes) const;
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	inline TBool operator<=(const TDesC16 &aDes) const;
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	inline TBool operator>(const TDesC16 &aDes) const;
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	inline TBool operator>=(const TDesC16 &aDes) const;
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	inline TBool operator==(const TDesC16 &aDes) const;
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	inline TBool operator!=(const TDesC16 &aDes) const;
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	inline const TUint16 &operator[](TInt anIndex) const;
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	inline TInt Length() const;
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	inline TInt Size() const;
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	IMPORT_C const TUint16 *Ptr() const;
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	IMPORT_C TInt Compare(const TDesC16 &aDes) const;
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	IMPORT_C TInt CompareF(const TDesC16 &aDes) const;
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	IMPORT_C TInt CompareC(const TDesC16 &aDes) const;
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	IMPORT_C TInt CompareC(const TDesC16& aDes,TInt aMaxLevel,const TCollationMethod* aCollationMethod) const;	
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	/**
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	@internalComponent
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	*/
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	IMPORT_C HBufC16* GetNormalizedDecomposedFormL() const;
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	/**
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	@internalComponent
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	*/	
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	IMPORT_C HBufC16* GetFoldedDecomposedFormL() const;
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	/**
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	@internalComponent
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	*/
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	IMPORT_C HBufC8* GetCollationKeysL(TInt aMaxLevel,const TCollationMethod* aCollationMethod) const;
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	IMPORT_C TInt Match(const TDesC16 &aDes) const;
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	IMPORT_C TInt MatchF(const TDesC16 &aDes) const;
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	IMPORT_C TInt MatchC(const TDesC16 &aDes) const;
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	IMPORT_C TInt MatchC(const TDesC16 &aPattern, TInt aWildChar, TInt aWildSequenceChar, 
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						 TInt aEscapeChar, TInt aMaxLevel = 3, const TCollationMethod* aCollationMethod = NULL) const;
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  	IMPORT_C TInt MatchC(const TDesC16 &aPattern, const TCollationMethod* aCollationMethod,
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  						 TInt aMaxLevel = 3, TInt aWildChar = '?', TInt aWildSequenceChar = '*', TInt aEscapeChar = 0) const;
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	IMPORT_C TInt Locate(TChar aChar) const;
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	IMPORT_C TInt LocateReverse(TChar aChar) const;
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	IMPORT_C TInt Find(const TDesC16 &aDes) const;
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	IMPORT_C TInt Find(const TUint16 *aBuf,TInt aLen) const;
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	IMPORT_C TPrefix HasPrefixC(const TDesC16& aPossiblePrefix, TInt aLevel, const TCollationMethod* aCollationMethod) const;
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	IMPORT_C TPtrC16 Left(TInt aLength) const;
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	IMPORT_C TPtrC16 Right(TInt aLength) const;
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	IMPORT_C TPtrC16 Mid(TInt aPos) const;
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	IMPORT_C TPtrC16 Mid(TInt aPos,TInt aLength) const;
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	IMPORT_C TInt LocateF(TChar aChar) const;
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	IMPORT_C TInt LocateReverseF(TChar aChar) const;
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	IMPORT_C TInt FindF(const TDesC16 &aDes) const;
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	IMPORT_C TInt FindF(const TUint16 *aBuf,TInt aLen) const;
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	IMPORT_C TInt FindC(const TDesC16 &aDes) const;
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	IMPORT_C TInt FindC(const TUint16 *aBuf,TInt aLen) const;
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	IMPORT_C TInt FindC(const TUint16 *aText,TInt aLength, TInt aMaxLevel) const;
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	IMPORT_C TInt FindC(const TDesC16 &aDes,TInt &aLengthFound, const TCollationMethod &aMethod,TInt aMaxLevel) const;
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	IMPORT_C HBufC16 *Alloc() const;
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	IMPORT_C HBufC16 *AllocL() const;
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	IMPORT_C HBufC16 *AllocLC() const;
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protected:
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	inline TDesC16() {}
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	inline TDesC16(TInt aType,TInt aLength);
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// delay this for a while
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#ifdef SYMBIAN_FIX_TDESC_CONSTRUCTORS
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	inline TDesC16( const TDesC16& aOther) : iLength(aOther.iLength) {}
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#endif
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//	inline ~TDesC16() {}			Commented out for the moment since it breaks code
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	inline TInt Type() const;
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	inline void DoSetLength(TInt aLength);
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	IMPORT_C const TUint16 &AtC(TInt anIndex) const;
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private:
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	TUint iLength;
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	__DECLARE_TEST;
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    };
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//
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class TPtrC16 : public TDesC16
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/**
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@publishedAll
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@released
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16-bit non-modifiable pointer descriptor.
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This is a descriptor class intended for instantiation and encapsulates a
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pointer to the 16-bit data that it represents. The data can live in ROM or RAM
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and this location is separate from the descriptor object itself.
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The data is intended to be accessed, but not changed, through this descriptor. 
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The base class provides the functions through which data is accessed.
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@see TPtr16
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@see TDesC16
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@see TDes16
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@see TBufC16
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@see TBuf16
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@see HBufC16
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*/
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	{
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public:
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	IMPORT_C TPtrC16();
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	IMPORT_C TPtrC16(const TDesC16 &aDes);
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	IMPORT_C TPtrC16(const TUint16 *aString);
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	IMPORT_C TPtrC16(const TUint16 *aBuf,TInt aLength);
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	inline void Set(const TUint16 *aBuf,TInt aLength);
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	inline void Set(const TDesC16 &aDes);
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	inline void Set(const TPtrC16 &aPtr);
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private:
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	TPtrC16& operator=(const TPtrC16 &aDes);
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protected:
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	const TUint16 *iPtr;
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private:
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	__DECLARE_TEST;
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	};
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//
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class TDes16Overflow
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/**
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@publishedAll
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@released
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An interface that defines an overflow handler for a 16-bit descriptor.
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The interface encapsulates a function that is called when an attempt to append 
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formatted text fails because the descriptor is already at its maximum length.
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A derived class must provide an implementation for the Overflow() member function.
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@see TDes16::AppendFormat
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*/
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	{
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public:
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	/**
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	Handles the overflow.
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	This function is called when the TDes16::AppendFormat() 
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	variant that takes an overflow handler argument, fails.
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	@param aDes The 16-bit modifiable descriptor whose overflow results in the 
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	            call to this overflow handler.
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	*/
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	virtual void Overflow(TDes16 &aDes)=0;
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	};
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//
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class TDes16IgnoreOverflow : public TDes16Overflow
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/**
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@publishedAll
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@released
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A derived class which provides an implementation for the Overflow() member function
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where truncation is required.
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@see TDes16::AppendFormat
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*/
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	{
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public:
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	/**
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	Handles the overflow.
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	This function is called when the TDes16::AppendFormat() 
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	variant that takes an overflow handler argument, fails.
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	@param aDes The 16-bit modifiable descriptor whose overflow results in the 
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	            call to this overflow handler.
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	*/
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	IMPORT_C virtual void Overflow(TDes16 &aDes);
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	};
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//
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class TRealFormat;
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class TDes16 : public TDesC16
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/**
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@publishedAll
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@released
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Abstract base class for 16-bit modifiable descriptors.
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The class encapsulates the data member containing the maximum length of data 
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represented by a 16-bit descriptor. It also provides member functions through 
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which the data can be modified.
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The class adds to the behaviour provided by TDesC16.
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This class cannot be instantiated as it is intended to form part of a class 
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hierarchy; it provides a well defined part of descriptor behaviour. It can, 
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however, be passed as an argument type for functions which need to both modify 
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and access descriptor data.
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@see TDes
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@see TDesC8
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@see TDesC16
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*/
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	{
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public:
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	inline TDes16& operator=(const TUint16 *aString);
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	inline TDes16& operator=(const TDesC16 &aDes);
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	inline TDes16& operator=(const TDes16 &aDes);
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	inline TInt MaxLength() const;
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	inline TInt MaxSize() const;
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	inline const TUint16 &operator[](TInt anIndex) const;
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	inline TUint16 &operator[](TInt anIndex);
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	inline TDes16 &operator+=(const TDesC16 &aDes);
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	IMPORT_C void Zero();
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 	IMPORT_C void SetLength(TInt aLength);
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 	IMPORT_C void SetMax();
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	IMPORT_C void Copy(const TDesC8 &aDes);
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	IMPORT_C void Copy(const TDesC16 &aDes);
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	IMPORT_C void Copy(const TUint16 *aBuf,TInt aLength);
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	IMPORT_C void Copy(const TUint16 *aString);
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	IMPORT_C void Append(TChar aChar);
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	IMPORT_C void Append(const TDesC16 &aDes);
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	IMPORT_C void Append(const TUint16 *aBuf,TInt aLength);
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	IMPORT_C void Fill(TChar aChar);
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	IMPORT_C void Fill(TChar aChar,TInt aLength);
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	IMPORT_C void FillZ();
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	IMPORT_C void FillZ(TInt aLength);
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	IMPORT_C void NumFixedWidth(TUint aVal,TRadix aRadix,TInt aWidth);
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	IMPORT_C void AppendNumFixedWidth(TUint aVal,TRadix aRadix,TInt aWidth);
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	IMPORT_C TPtr16 LeftTPtr(TInt aLength) const;
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	IMPORT_C TPtr16 RightTPtr(TInt aLength) const;
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	IMPORT_C TPtr16 MidTPtr(TInt aPos) const;
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	IMPORT_C TPtr16 MidTPtr(TInt aPos,TInt aLength) const;
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	IMPORT_C const TUint16 *PtrZ();
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	IMPORT_C void CopyF(const TDesC16 &aDes);
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	IMPORT_C void CopyC(const TDesC16 &aDes);
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	IMPORT_C void CopyLC(const TDesC16 &aDes);
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	IMPORT_C void CopyUC(const TDesC16 &aDes);
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	IMPORT_C void CopyCP(const TDesC16 &aDes);
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	IMPORT_C void AppendFill(TChar aChar,TInt aLength);
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	IMPORT_C void ZeroTerminate();
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	IMPORT_C void Swap(TDes16 &aDes);
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	IMPORT_C void Fold();
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	IMPORT_C void Collate();
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	IMPORT_C void LowerCase();
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	IMPORT_C void UpperCase();
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	IMPORT_C void Capitalize();
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	IMPORT_C void Repeat(const TDesC16 &aDes);
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	IMPORT_C void Repeat(const TUint16 *aBuf,TInt aLength);
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	IMPORT_C void Trim();
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	IMPORT_C void TrimAll();
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	IMPORT_C void TrimLeft();
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	IMPORT_C void TrimRight();
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	IMPORT_C void Insert(TInt aPos,const TDesC16 &aDes);
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	IMPORT_C void Delete(TInt aPos,TInt aLength);
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	IMPORT_C void Replace(TInt aPos,TInt aLength,const TDesC16 &aDes);
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	IMPORT_C void Justify(const TDesC16 &aDes,TInt aWidth,TAlign anAlignment,TChar aFill);
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	IMPORT_C void NumFixedWidthUC(TUint aVal,TRadix aRadix,TInt aWidth);
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	IMPORT_C void NumUC(TUint64 aVal, TRadix aRadix=EDecimal);
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	IMPORT_C TInt Num(TReal aVal,const TRealFormat &aFormat) __SOFTFP;
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	IMPORT_C void Num(TInt64 aVal);
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	IMPORT_C void Num(TUint64 aVal, TRadix aRadix);
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	IMPORT_C void Format(TRefByValue<const TDesC16> aFmt,...);
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	IMPORT_C void FormatList(const TDesC16 &aFmt,VA_LIST aList);
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	IMPORT_C void AppendJustify(const TDesC16 &Des,TInt aWidth,TAlign anAlignment,TChar aFill);
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	IMPORT_C void AppendJustify(const TDesC16 &Des,TInt aLength,TInt aWidth,TAlign anAlignment,TChar aFill);
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	IMPORT_C void AppendJustify(const TUint16 *aString,TInt aWidth,TAlign anAlignment,TChar aFill);
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	IMPORT_C void AppendJustify(const TUint16 *aString,TInt aLength,TInt aWidth,TAlign anAlignment,TChar aFill);
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	IMPORT_C void AppendNumFixedWidthUC(TUint aVal,TRadix aRadix,TInt aWidth);
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	IMPORT_C void AppendNumUC(TUint64 aVal, TRadix aRadix=EDecimal);
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	IMPORT_C TInt AppendNum(TReal aVal,const TRealFormat &aFormat) __SOFTFP;
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	IMPORT_C void AppendNum(TInt64 aVal);
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	IMPORT_C void AppendNum(TUint64 aVal, TRadix aRadix);
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	IMPORT_C void AppendFormat(TRefByValue<const TDesC16> aFmt,TDes16Overflow *aOverflowHandler,...);
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	IMPORT_C void AppendFormat(TRefByValue<const TDesC16> aFmt,...);
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	IMPORT_C void AppendFormatList(const TDesC16 &aFmt,VA_LIST aList,TDes16Overflow *aOverflowHandler=NULL);
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	IMPORT_C TPtr8 Collapse();
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protected:
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	inline TDes16() {}
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	inline TDes16(TInt aType,TInt aLength,TInt aMaxLength);
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// delay this for a while
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#ifdef SYMBIAN_FIX_TDESC_CONSTRUCTORS
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	inline TDes16(const TDes16& aOther) : TDesC16(aOther), iMaxLength(aOther.iMaxLength) {}
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#endif
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	inline TUint16 *WPtr() const;
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	void DoAppendNum(TUint64 aVal, TRadix aRadix, TUint aA, TInt aW);
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	void DoPadAppendNum(TInt aLength, TInt aW, const TUint8* aBuf);
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protected:
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	TInt iMaxLength;
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	__DECLARE_TEST;
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    };
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//
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class TPtr16 : public TDes16
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/**
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@publishedAll
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@released
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16-bit modifiable pointer descriptor
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This is a descriptor class intended for instantiation and encapsulates a
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pointer to the 16-bit data that it represents. The data can live in ROM or
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RAM and this location is separate from the descriptor object itself.
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The data is intended to be accessed and modified through this descriptor. 
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The base classes provide the functions through which the data can be
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manipulated.
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@see TPtr
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@see TPtrC16
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@see TDesC16
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@see TDes16
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@see TBufC16
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@see TBuf16
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@see HBufC16
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*/
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	{
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public:
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	IMPORT_C TPtr16(TUint16 *aBuf,TInt aMaxLength);
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	IMPORT_C TPtr16(TUint16 *aBuf,TInt aLength,TInt aMaxLength);
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	inline TPtr16& operator=(const TUint16 *aString);
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	inline TPtr16& operator=(const TDesC16& aDes);
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   382
	inline TPtr16& operator=(const TPtr16& aDes);
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   383
	inline void Set(TUint16 *aBuf,TInt aLength,TInt aMaxLength);
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diff changeset
   384
	inline void Set(const TPtr16 &aPtr);
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   385
private:
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   386
	IMPORT_C TPtr16(TBufCBase16 &aLcb,TInt aMaxLength);
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   387
protected:
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   388
	TUint16 *iPtr;
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   389
private:
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   390
	friend class TBufCBase16;
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   391
	__DECLARE_TEST;
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diff changeset
   392
	};
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   393
//
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   394
class TBufCBase16 : public TDesC16
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diff changeset
   395
/**
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   396
@internalAll
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diff changeset
   397
*/
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diff changeset
   398
	{
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   399
protected:
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   400
	IMPORT_C TBufCBase16();
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   401
	inline TBufCBase16(TInt aLength);
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   402
	IMPORT_C TBufCBase16(const TUint16 *aString,TInt aMaxLength);
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   403
	IMPORT_C TBufCBase16(const TDesC16 &aDes,TInt aMaxLength);
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   404
	IMPORT_C void Copy(const TUint16 *aString,TInt aMaxLength);
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diff changeset
   405
	IMPORT_C void Copy(const TDesC16 &aDes,TInt aMaxLength);
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   406
	inline TPtr16 DoDes(TInt aMaxLength);
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   407
	inline TUint16 *WPtr() const;
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   408
	};
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diff changeset
   409
//
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diff changeset
   410
class RReadStream;
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diff changeset
   411
class HBufC16 : public TBufCBase16
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diff changeset
   412
/**
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diff changeset
   413
@publishedAll
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diff changeset
   414
@released
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diff changeset
   415
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diff changeset
   416
16-bit heap descriptor.
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diff changeset
   417
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   418
This is a descriptor class which provides a buffer of fixed length, allocated 
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diff changeset
   419
on the heap, for containing and accessing data.
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diff changeset
   420
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diff changeset
   421
The class is intended for instantiation.
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diff changeset
   422
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   423
Heap descriptors have the important property that they can be made larger 
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   424
or smaller, changing the size of the descriptor buffer. This is achieved by 
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diff changeset
   425
reallocating the descriptor. Unlike the behaviour of dynamic buffers, reallocation 
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diff changeset
   426
is not done automatically.
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diff changeset
   427
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diff changeset
   428
Data is intended to be accessed, but not modified; however, it can be completely 
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diff changeset
   429
replaced using the assignment operators of this class. The base class (TDesC16) provides 
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diff changeset
   430
the functions through which the data is accessed.
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diff changeset
   431
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   432
The descriptor is hosted by a heap cell, and the 16-bit data that the descriptor 
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diff changeset
   433
represents is part of the descriptor object itself. The size of the cell depends 
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diff changeset
   434
on the requested maximum length of the descriptor buffer when the descriptor 
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diff changeset
   435
is created or re-allocated.
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diff changeset
   436
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diff changeset
   437
It is important to note that the size of the allocated cell, and, therefore, 
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diff changeset
   438
the resulting maximum length of the descriptor, may be larger than requested 
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diff changeset
   439
due to the way memory is allocated in Symbian OS. The amount by which this 
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diff changeset
   440
may be rounded up depends on the platform and build type.
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diff changeset
   441
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diff changeset
   442
@see HBufC
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diff changeset
   443
@see TPtr16
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diff changeset
   444
@see TDesC16
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diff changeset
   445
*/
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diff changeset
   446
	{
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diff changeset
   447
public:
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diff changeset
   448
	IMPORT_C static HBufC16 *New(TInt aMaxLength);
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diff changeset
   449
	IMPORT_C static HBufC16 *NewL(TInt aMaxLength);
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diff changeset
   450
	IMPORT_C static HBufC16 *NewLC(TInt aMaxLength);
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diff changeset
   451
	IMPORT_C static HBufC16 *NewMax(TInt aMaxLength);
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diff changeset
   452
	IMPORT_C static HBufC16 *NewMaxL(TInt aMaxLength);
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diff changeset
   453
	IMPORT_C static HBufC16 *NewMaxLC(TInt aMaxLength);
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diff changeset
   454
	IMPORT_C static HBufC16 *NewL(RReadStream &aStream,TInt aMaxLength);
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diff changeset
   455
	IMPORT_C static HBufC16 *NewLC(RReadStream &aStream,TInt aMaxLength);
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diff changeset
   456
	IMPORT_C HBufC16& operator=(const TUint16 *aString);
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diff changeset
   457
	IMPORT_C HBufC16& operator=(const TDesC16 &aDes);
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diff changeset
   458
	inline HBufC16& operator=(const HBufC16 &aLcb);
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diff changeset
   459
	IMPORT_C HBufC16 *ReAlloc(TInt aMaxLength);
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diff changeset
   460
	IMPORT_C HBufC16 *ReAllocL(TInt aMaxLength);
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diff changeset
   461
	IMPORT_C TPtr16 Des();
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diff changeset
   462
private:
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diff changeset
   463
	inline HBufC16(TInt aLength);
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diff changeset
   464
private:
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diff changeset
   465
	TText16 iBuf[1];
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diff changeset
   466
	__DECLARE_TEST;
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diff changeset
   467
	};
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diff changeset
   468
//
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diff changeset
   469
/**
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diff changeset
   470
@internalComponent
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diff changeset
   471
*/
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diff changeset
   472
#define __Size16 (sizeof(TInt)/sizeof(TInt16))
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diff changeset
   473
/**
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diff changeset
   474
@internalComponent
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diff changeset
   475
*/
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diff changeset
   476
#define __Align16(s) ((((s)+__Size16-1)/__Size16)*__Size16)
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diff changeset
   477
//
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diff changeset
   478
template <TInt S>
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diff changeset
   479
class TBufC16 : public TBufCBase16
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diff changeset
   480
/**
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parents: 0
diff changeset
   481
@publishedAll
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diff changeset
   482
@released
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   483
2fe1408b6811 Final list of Symbian^2 public API header files
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diff changeset
   484
16-bit non-modifiable buffer descriptor.
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   485
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   486
This is a descriptor class which provides a buffer of fixed length for
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   487
containing and accessing TUint16 data.
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   488
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   489
The class intended for instantiation. The 16-bit data that the descriptor 
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   490
represents is part of the descriptor object itself.
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parents: 0
diff changeset
   491
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   492
The class is templated, based on an integer value which defines the size of 
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   493
the descriptor's data area.
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parents: 0
diff changeset
   494
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   495
The data is intended to be accessed, but not modified; however, it can be 
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   496
completely replaced using the assignment operators of this class. The base 
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   497
class provides the functions through which the data is accessed.
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   498
2fe1408b6811 Final list of Symbian^2 public API header files
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parents: 0
diff changeset
   499
@see TBufC
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parents: 0
diff changeset
   500
@see TDesC16
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diff changeset
   501
@see TPtr16
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parents: 0
diff changeset
   502
@see TUint16
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diff changeset
   503
*/
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diff changeset
   504
	{
2fe1408b6811 Final list of Symbian^2 public API header files
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diff changeset
   505
public:
2fe1408b6811 Final list of Symbian^2 public API header files
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diff changeset
   506
	inline TBufC16();
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diff changeset
   507
    inline TBufC16(const TUint16 *aString);
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diff changeset
   508
	inline TBufC16(const TDesC16 &aDes);
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diff changeset
   509
	inline TBufC16<S> &operator=(const TUint16 *aString);
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parents: 0
diff changeset
   510
	inline TBufC16<S> &operator=(const TDesC16 &aDes);
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parents: 0
diff changeset
   511
	inline TPtr16 Des();
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diff changeset
   512
protected:
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parents: 0
diff changeset
   513
	TUint16 iBuf[__Align16(S)];
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   514
	};
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   515
//
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   516
class TBufBase16 : public TDes16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   517
/**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   518
@internalAll
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   519
*/	
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   520
	{
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   521
protected:
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   522
	IMPORT_C TBufBase16(TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   523
	IMPORT_C TBufBase16(TInt aLength,TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   524
	IMPORT_C TBufBase16(const TUint16* aString,TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   525
	IMPORT_C TBufBase16(const TDesC16& aDes,TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   526
	};
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   527
//
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   528
template <TInt S>
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   529
class TBuf16 : public TBufBase16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   530
/**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   531
@publishedAll
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   532
@released
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   533
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   534
A descriptor class which provides a buffer of fixed length for
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   535
containing, accessing and manipulating TUint16 data.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   536
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   537
The class is intended for instantiation. The 16-bit data that the descriptor 
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   538
represents is part of the descriptor object itself.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   539
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   540
The class is templated, based on an integer value which determines the size 
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   541
of the data area which is created as part of the buffer descriptor object; 
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   542
this is also the maximum length of the descriptor.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   543
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   544
The data is intended to be both accessed and modified. The base classes provide 
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   545
the functions through which the data is accessed.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   546
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   547
@see TBuf
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   548
@see TDesC16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   549
@see TDes16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   550
@see TPtr16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   551
*/
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   552
	{
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   553
public:
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   554
	inline TBuf16();
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   555
	inline explicit TBuf16(TInt aLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   556
    inline TBuf16(const TUint16* aString);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   557
	inline TBuf16(const TDesC16& aDes);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   558
	inline TBuf16<S>& operator=(const TUint16* aString);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   559
	inline TBuf16<S>& operator=(const TDesC16& aDes);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   560
	inline TBuf16<S>& operator=(const TBuf16<S>& aDes);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   561
protected:
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   562
	TUint16 iBuf[__Align16(S)];
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   563
	};
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   564
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   565
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   566
#ifndef __KERNEL_MODE__
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   567
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   568
class RBuf16 : public TDes16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   569
/**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   570
@publishedAll
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   571
@released
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   572
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   573
16 bit resizable buffer descriptor.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   574
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   575
The class provides a buffer that contains, accesses and manipulates
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   576
TUint16 data. The buffer itself is on the heap, and is managed by the class.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   577
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   578
Internally, RBuf16 behaves in one of two ways:
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   579
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   580
- as a TPtr16 descriptor type, where the buffer just contains data
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   581
- as a pointer to a heap descriptor, an HBufC16* type, where the buffer
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   582
  contains both	descriptor information and the data.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   583
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   584
Note that the handling of the distinction is hidden from view.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   585
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   586
An RBuf16 object can allocate its own buffer. Alternatively, it can take
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   587
ownership of a pre-existing section of allocated memory, or it can take
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   588
ownership of a pre-existing heap descriptor. It can also reallocate the buffer
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   589
to resize it. Regardless of the way in which the buffer has been allocated,
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   590
the RBuf16 object is responsible for freeing memory when the object itself is closed.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   591
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   592
The class is intended for instantiation.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   593
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   594
The class is derived from TDes16, which means that data can be both accessed
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   595
and modified. The base classes provide the functions through which the data is
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   596
accessed. In addition, an RBuf16 object can be passed to any function that is
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   597
prototyped to take a TDes16 or a TDesC16 type.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   598
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   599
@see TBuf16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   600
@see TPtr16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   601
@see HBufC16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   602
@see TDesC16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   603
@see TDes16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   604
*/
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   605
	{
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   606
public:
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   607
	IMPORT_C RBuf16();
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   608
	IMPORT_C explicit RBuf16(HBufC16* aHBuf);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   609
	inline RBuf16& operator=(const TUint16* aString);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   610
	inline RBuf16& operator=(const TDesC16& aDes);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   611
	inline RBuf16& operator=(const RBuf16& aDes);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   612
	IMPORT_C void Assign(const RBuf16& aRBuf);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   613
	IMPORT_C void Assign(TUint16 *aHeapCell,TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   614
	IMPORT_C void Assign(TUint16 *aHeapCell,TInt aLength,TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   615
	IMPORT_C void Assign(HBufC16* aHBuf);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   616
	IMPORT_C void Swap(RBuf16& aRBuf);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   617
	IMPORT_C TInt Create(TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   618
	IMPORT_C void CreateL(TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   619
	IMPORT_C TInt CreateMax(TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   620
	IMPORT_C void CreateMaxL(TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   621
	inline void CreateL(RReadStream &aStream,TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   622
	IMPORT_C TInt Create(const TDesC16& aDes);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   623
	IMPORT_C void CreateL(const TDesC16& aDes);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   624
	IMPORT_C TInt Create(const TDesC16& aDes,TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   625
	IMPORT_C void CreateL(const TDesC16& aDes,TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   626
	IMPORT_C TInt ReAlloc(TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   627
	IMPORT_C void ReAllocL(TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   628
	IMPORT_C void Close();
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   629
	IMPORT_C void CleanupClosePushL();
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   630
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   631
protected:
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   632
	IMPORT_C RBuf16(TInt aType,TInt aLength,TInt aMaxLength);
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   633
	RBuf16(const RBuf16&); // Outlaw copy construction
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   634
	union
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   635
		{
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   636
		TUint16* iEPtrType;		//Pointer to data used when RBuf is of EPtr type
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   637
		HBufC16* iEBufCPtrType;	//Pointer to data used when RBuf is of EBufCPtr type
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   638
		};
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   639
	__DECLARE_TEST;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   640
	};
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   641
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   642
#endif //__KERNEL_MODE__
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   643
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   644
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   645
/**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   646
@publishedAll
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   647
@released
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   648
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   649
Value reference used in operator TLitC16::__TRefDesC16()
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   650
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   651
@see TRefByValue
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   652
*/
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   653
typedef TRefByValue<const TDesC16> __TRefDesC16;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   654
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   655
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   656
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   657
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   658
template <TInt S>
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   659
class TLitC16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   660
/**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   661
@publishedAll
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   662
@released
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   663
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   664
Encapsulates literal text. 
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   665
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   666
This is always constructed using an _LIT16 macro.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   667
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   668
This class is build independent; i.e. an explicit 16-bit build variant
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   669
is generated for both a non-Unicode build and a Unicode build.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   670
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   671
The class has no explicit constructors.
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   672
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   673
@see _LIT16
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   674
*/
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   675
	{
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   676
public:
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   677
	inline const TDesC16* operator&() const;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   678
	inline operator const TDesC16&() const;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   679
	inline const TDesC16& operator()() const;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   680
	inline operator const __TRefDesC16() const;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   681
public:
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   682
#if defined(__GCC32__)
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   683
    /**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   684
    @internalComponent
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   685
    */
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   686
	typedef wchar_t __TText;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   687
#elif defined(__VC32__)
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   688
    /**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   689
    @internalComponent
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   690
    */
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   691
	typedef TUint16 __TText;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   692
#elif defined(__CW32__)
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   693
    /**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   694
    @internalComponent
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   695
    */
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   696
	typedef TUint16 __TText;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   697
#elif !defined(__TText_defined)
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   698
#error	no typedef for __TText
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   699
#endif
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   700
public:
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   701
    /**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   702
    @internalComponent
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   703
    */
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   704
	TUint iTypeLength;
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   705
	
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   706
	/**
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   707
    @internalComponent
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   708
    */
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   709
	__TText iBuf[__Align16(S)];
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   710
	};
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   711
4
837f303aceeb Current Symbian^3 public API header files (from PDK 3.0.h)
William Roberts <williamr@symbian.org>
parents: 2
diff changeset
   712
#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS
837f303aceeb Current Symbian^3 public API header files (from PDK 3.0.h)
William Roberts <williamr@symbian.org>
parents: 2
diff changeset
   713
#include <e32des16_private.h>
2
2fe1408b6811 Final list of Symbian^2 public API header files
William Roberts <williamr@symbian.org>
parents: 0
diff changeset
   714
#endif
4
837f303aceeb Current Symbian^3 public API header files (from PDK 3.0.h)
William Roberts <williamr@symbian.org>
parents: 2
diff changeset
   715
837f303aceeb Current Symbian^3 public API header files (from PDK 3.0.h)
William Roberts <williamr@symbian.org>
parents: 2
diff changeset
   716
#endif