epoc32/include/caf/streamableptrarray.inl
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 2 2fe1408b6811
permissions -rw-r--r--
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.
williamr@2
     1
/*
williamr@2
     2
* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2
     3
* All rights reserved.
williamr@2
     4
* This component and the accompanying materials are made available
williamr@2
     5
* under the terms of the License "Eclipse Public License v1.0"
williamr@2
     6
* which accompanies this distribution, and is available
williamr@2
     7
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@2
     8
*
williamr@2
     9
* Initial Contributors:
williamr@2
    10
* Nokia Corporation - initial contribution.
williamr@2
    11
*
williamr@2
    12
* Contributors:
williamr@2
    13
*
williamr@2
    14
* Description: 
williamr@2
    15
*
williamr@2
    16
*/
williamr@2
    17
williamr@4
    18
/**
williamr@4
    19
 @file
williamr@4
    20
 @publishedAll
williamr@4
    21
 @released
williamr@4
    22
*/
williamr@4
    23
williamr@4
    24
#ifndef STREAMABLEPTRARRAY_INL
williamr@4
    25
#define STREAMABLEPTRARRAY_INL
williamr@2
    26
williamr@2
    27
namespace ContentAccess
williamr@2
    28
{
williamr@2
    29
template <class T>
williamr@2
    30
inline RStreamablePtrArray<T>::RStreamablePtrArray()
williamr@2
    31
	{
williamr@2
    32
	}
williamr@2
    33
williamr@2
    34
template <class T>
williamr@2
    35
inline void RStreamablePtrArray<T>::Close()
williamr@2
    36
	{
williamr@2
    37
	iArray.ResetAndDestroy();
williamr@2
    38
	}
williamr@2
    39
williamr@2
    40
template <class T>
williamr@2
    41
inline void RStreamablePtrArray<T>::AppendL(T* aElement)
williamr@2
    42
	{
williamr@2
    43
	User::LeaveIfError(iArray.Append(aElement));
williamr@2
    44
	}
williamr@2
    45
williamr@2
    46
template <class T>
williamr@2
    47
inline TInt RStreamablePtrArray<T>::Count() const
williamr@2
    48
	{
williamr@2
    49
	return iArray.Count();
williamr@2
    50
	}
williamr@2
    51
williamr@2
    52
template <class T>
williamr@2
    53
inline T* RStreamablePtrArray<T>::operator [] (TInt aIndex) const
williamr@2
    54
	{
williamr@2
    55
	// case the value from the array back to its original type
williamr@2
    56
	return iArray[aIndex];
williamr@2
    57
	}
williamr@2
    58
williamr@2
    59
template <class T>
williamr@2
    60
inline void RStreamablePtrArray<T>::ResetAndDestroy()
williamr@2
    61
	{
williamr@2
    62
	iArray.ResetAndDestroy();
williamr@2
    63
	}
williamr@2
    64
williamr@2
    65
template <class T>		
williamr@2
    66
inline void RStreamablePtrArray<T>::InternalizeL(RReadStream& aStream)
williamr@2
    67
	{
williamr@2
    68
	TInt i;
williamr@2
    69
williamr@2
    70
	// Read the number of CMetaData objects from the stream
williamr@2
    71
	TInt count = aStream.ReadInt32L();
williamr@2
    72
williamr@2
    73
	// Read the objects from the stream and add them to the array
williamr@2
    74
	for(i = 0; i < count; i++)
williamr@2
    75
		{
williamr@2
    76
		// create a new T object from the stream using the supplied factory function
williamr@2
    77
		T* element = T::NewL(aStream);
williamr@2
    78
		CleanupStack::PushL(element);
williamr@2
    79
williamr@2
    80
		AppendL(element);
williamr@2
    81
williamr@2
    82
		// Finished with cleanup stack, element now owned by the array so don't delete
williamr@2
    83
		CleanupStack::Pop(element);
williamr@2
    84
		}
williamr@2
    85
	}
williamr@2
    86
williamr@2
    87
template <class T>
williamr@2
    88
inline void RStreamablePtrArray<T>::ExternalizeL(RWriteStream& aStream) const
williamr@2
    89
	{	
williamr@2
    90
	TInt i;
williamr@2
    91
	// Write the total number of elements to the stream
williamr@2
    92
	aStream.WriteInt32L(iArray.Count());
williamr@2
    93
	
williamr@2
    94
	// Ask the array elements to write themselves to the stream one by one 
williamr@2
    95
	for(i = 0; i < iArray.Count();i++)
williamr@2
    96
		{
williamr@2
    97
		iArray[i]->ExternalizeL(aStream);
williamr@2
    98
		}
williamr@2
    99
	}
williamr@2
   100
williamr@2
   101
template <class T>
williamr@2
   102
inline void RStreamablePtrArray<T>::RemoveL(TInt aIndex)
williamr@2
   103
	{
williamr@2
   104
	if ( (aIndex >= iArray.Count()) || (aIndex < 0) )
williamr@2
   105
		{
williamr@2
   106
		User::Leave(KErrArgument);
williamr@2
   107
		}
williamr@2
   108
	iArray.Remove(aIndex);
williamr@2
   109
	}
williamr@2
   110
}
williamr@4
   111
williamr@4
   112
#endif // STREAMABLEPTRARRAY_INL
williamr@4
   113