applayerprotocols/wapbase/bnf/CMarkedStack.inl
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     1 // Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // CMStack.inl
       
    15 // 
       
    16 //
       
    17 
       
    18 #include <cmarkedstack.h>
       
    19 
       
    20 /** Destructor.
       
    21 
       
    22 It clears all marks.
       
    23 */
       
    24 template <class T, TBool Owner>
       
    25 inline CMarkedStack<T, Owner>::~CMarkedStack()
       
    26 {
       
    27 	iMarks.Clear();
       
    28 }
       
    29 
       
    30 /** Marks the stack's head item.
       
    31 
       
    32 @param aMarkType Mark type
       
    33 */
       
    34 template <class T, TBool Owner>
       
    35 void 
       
    36 inline CMarkedStack<T, Owner>::MarkL(TInt aMarkType)
       
    37 	{
       
    38 	TMarkPoint* point = new (ELeave) TMarkPoint(aMarkType, this->Count());
       
    39 	iMarks.PushL(point);
       
    40 	}
       
    41 
       
    42 /** Removes all marks until a mark of the specified type is found.
       
    43 
       
    44 @return Index of the stack item marked by the found mark
       
    45 @param aMarkType Mark type
       
    46 */
       
    47 template <class T, TBool Owner>
       
    48 TInt 
       
    49 inline CMarkedStack<T, Owner>::RemoveMark(TInt aMarkType)
       
    50 	{
       
    51 	TMarkPoint* point = NULL;
       
    52 	do
       
    53 		{
       
    54 		delete point;
       
    55 		point = iMarks.Pop();
       
    56 		} while (point->iMarkType != aMarkType);
       
    57 	TInt stackIndex = point->iStackIndex;
       
    58 	delete point;
       
    59 	return stackIndex;
       
    60 	}
       
    61 
       
    62 /** Pops and deletes items from the stack until the item marked with the specified mark type is at the head.
       
    63 
       
    64 @param aMarkType Mark type
       
    65 */
       
    66 template <class T, TBool Owner>
       
    67 void 
       
    68 inline CMarkedStack<T, Owner>::DeleteToMark(TInt aMarkType)
       
    69 	{
       
    70 	TInt lastMark = RemoveMark(aMarkType);
       
    71 	while (this->Count() > lastMark)
       
    72 		delete this->Pop();
       
    73 	}
       
    74 
       
    75 /** Pops items from the stack until the item marked with the specified mark type is at the head.
       
    76 
       
    77 @param aMarkType Mark type
       
    78 */
       
    79 template <class T, TBool Owner>
       
    80 void 
       
    81 inline CMarkedStack<T, Owner>::ResetToMark(TInt aMarkType)
       
    82 	{
       
    83 	TInt lastMark = RemoveMark(aMarkType);
       
    84 	while (this->Count() > lastMark)
       
    85 		this->Pop();
       
    86 	}