williamr@4: // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@4: // All rights reserved.
williamr@4: // This component and the accompanying materials are made available
williamr@4: // under the terms of "Eclipse Public License v1.0"
williamr@4: // which accompanies this distribution, and is available
williamr@4: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@4: //
williamr@4: // Initial Contributors:
williamr@4: // Nokia Corporation - initial contribution.
williamr@4: //
williamr@4: // Contributors:
williamr@4: //
williamr@4: // Description:
williamr@4: //
williamr@4: 
williamr@4: #ifndef __THTTPHEADERVALUEVARIANT_H__
williamr@4: #define __THTTPHEADERVALUEVARIANT_H__
williamr@4: 
williamr@4: #include <http.h>
williamr@4: class RStringPool;
williamr@4: 
williamr@4: /**
williamr@4:  * THttpHeaderValueVariant represents a value found in the header element. The value of the header element 
williamr@4:  * can be of the various datatype like integer, string and datetime hence THttpHeaderValueVariant is a container
williamr@4:  * for them.  
williamr@4:  * 
williamr@4:  * @publishedAll
williamr@4:  * @prototype
williamr@4:  */
williamr@4: 
williamr@4: class THttpHeaderValueVariant
williamr@4: 	{
williamr@4: friend class THttpHeaderParamIterator;
williamr@4: friend class THttpHeaderElementIterator;
williamr@4: friend class THttpHeaderIterator;
williamr@4: friend class CHttpClient;
williamr@4: friend class CHttpClientTransaction;
williamr@4: public:
williamr@4:     /**
williamr@4:      * Enumeration type.
williamr@4:      * 
williamr@4:      */
williamr@4: 	typedef enum
williamr@4: 			{
williamr@4: 			ENoType 			= 0x00,  // No concrete datatype
williamr@4: 			EIntType			= 0x01,  // Integer datatype
williamr@4: 			EStrType 			=	0x02, // String datatype
williamr@4: 			EDateTimeType	= 0x03 // Datetime datatype
williamr@4: 			}THttpVariantType;
williamr@4: public:
williamr@4: 	/**
williamr@4: 	 * Default constructor
williamr@4: 	 */
williamr@4: 	inline THttpHeaderValueVariant();
williamr@4: 	/**
williamr@4: 	 * Constructor 
williamr@4: 	 */
williamr@4: 	inline THttpHeaderValueVariant(TInt aIntVariant);
williamr@4: 	inline THttpHeaderValueVariant(const TDesC8& aStrVariant);
williamr@4: 	inline THttpHeaderValueVariant(TDateTime aDateVariant);
williamr@4: 	/**
williamr@4: 	 * Set the integer value
williamr@4: 	 * @param aIntVariant Integer value
williamr@4: 	 */
williamr@4: 	inline void SetInt(TInt aIntVariant);
williamr@4: 	/**
williamr@4: 	 * Set the string value
williamr@4: 	 * @param aStrVariant String value
williamr@4: 	 */
williamr@4: 	inline void SetStr(const TDesC8& aStrVariant);
williamr@4: 	/**
williamr@4: 	 * Set the datettime value
williamr@4: 	 * @param aDateVariant Datettime value
williamr@4: 	 */
williamr@4: 	inline void SetDateTime(TDateTime aDateVariant);
williamr@4: 	
williamr@4: 	/**
williamr@4: 	 * Return the type that is represented by "this" object
williamr@4: 	 * 
williamr@4: 	 */
williamr@4: 	inline THttpVariantType Type() const;
williamr@4: 	
williamr@4: 	/**
williamr@4: 	 * Returns the contained integer. Will panic if the contained
williamr@4: 	 * datatype is not an ineger
williamr@4: 	 */
williamr@4: 	inline TInt Int() const;
williamr@4:     
williamr@4: 	/**
williamr@4:      * Returns the contained string. Will panic if the contained
williamr@4:      * datatype is not an string
williamr@4:      */	
williamr@4: 	inline TPtrC8 Str() const;
williamr@4: 	
williamr@4:     /**
williamr@4:      * Returns the contained datetime value. Will panic if the contained
williamr@4:      * datatype is not a datettime value
williamr@4:      */ 
williamr@4: 	inline TDateTime DateTime() const;
williamr@4: 
williamr@4: private:	
williamr@4: 	THttpVariantType	               iVariantType;
williamr@4: 	TInt                               iVariantVal;
williamr@4: 	TInt							   iMoreSpace;
williamr@4: 	};
williamr@4: 
williamr@4: 
williamr@4: inline THttpHeaderValueVariant::THttpHeaderValueVariant()
williamr@4: : iVariantVal(0),
williamr@4: iVariantType(ENoType),
williamr@4: iMoreSpace(0)
williamr@4: 	{
williamr@4: 	}
williamr@4: 
williamr@4: inline THttpHeaderValueVariant::THttpHeaderValueVariant(TInt aInt)
williamr@4: : iVariantVal(aInt),
williamr@4: iVariantType(EIntType),
williamr@4: iMoreSpace(0)
williamr@4: 	{
williamr@4: 	}
williamr@4: 
williamr@4: inline THttpHeaderValueVariant::THttpHeaderValueVariant(const TDesC8& aStr)
williamr@4: : iVariantVal(reinterpret_cast<TInt>(const_cast<TUint8*>(aStr.Ptr()))),
williamr@4: iVariantType(EStrType),
williamr@4: iMoreSpace(aStr.Length())
williamr@4: 	{
williamr@4: 	}
williamr@4: 
williamr@4: inline THttpHeaderValueVariant::THttpHeaderValueVariant(TDateTime aDateTime)
williamr@4: : iVariantType(EDateTimeType),
williamr@4: 	iMoreSpace(0)
williamr@4: 	{
williamr@4: 	*reinterpret_cast<TTime*>(&iVariantVal) = aDateTime;
williamr@4: 	}
williamr@4: 	
williamr@4: inline void THttpHeaderValueVariant::SetInt(TInt aInt)
williamr@4: 	{
williamr@4: 	iVariantVal = aInt;
williamr@4: 	iMoreSpace = 0;
williamr@4: 	iVariantType = EIntType;
williamr@4: 	}
williamr@4: 		
williamr@4: inline void THttpHeaderValueVariant::SetStr(const TDesC8& aStr)
williamr@4: 	{	
williamr@4: 	iVariantVal = reinterpret_cast<TInt>(const_cast<TUint8*>(aStr.Ptr()));	
williamr@4: 	iMoreSpace = aStr.Length();	
williamr@4: 	iVariantType = EStrType;	
williamr@4: 	}
williamr@4: 	
williamr@4: inline void THttpHeaderValueVariant::SetDateTime(TDateTime aDateTime)
williamr@4: 	{
williamr@4: 	*reinterpret_cast<TTime*>(&iVariantVal) = aDateTime;
williamr@4: 	iVariantType = EDateTimeType;
williamr@4: 	iMoreSpace = 0;
williamr@4: 	}
williamr@4: 	
williamr@4: inline THttpHeaderValueVariant::THttpVariantType THttpHeaderValueVariant::Type() const
williamr@4: 	{
williamr@4: 	return iVariantType;
williamr@4: 	}
williamr@4: 
williamr@4: inline TInt THttpHeaderValueVariant::Int() const
williamr@4: 	{
williamr@4: 	__ASSERT_DEBUG(iVariantType == EIntType, User::Invariant());
williamr@4: 	return iVariantVal;
williamr@4: 	}
williamr@4: 
williamr@4: inline TPtrC8 THttpHeaderValueVariant::Str() const
williamr@4: 	{
williamr@4: 	__ASSERT_DEBUG(iVariantType == EStrType, User::Invariant());
williamr@4: 	
williamr@4: 	TUint8* actualAddr = reinterpret_cast<TUint8*>(iVariantVal);
williamr@4: 	TPtrC8 ptr;
williamr@4: 	ptr.Set(actualAddr, iMoreSpace);	
williamr@4: 	return ptr;
williamr@4: 	}
williamr@4: 	
williamr@4: inline TDateTime THttpHeaderValueVariant::DateTime () const
williamr@4: 	{
williamr@4: 	__ASSERT_DEBUG(iVariantType == EDateTimeType, User::Invariant());
williamr@4: 	return reinterpret_cast<const TTime*>(&iVariantVal)->DateTime();	
williamr@4: 	}
williamr@4: #endif