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142 lines
3.8 KiB
142 lines
3.8 KiB
/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1996-1998 Microsoft Corporation
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//
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// Module Name:
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// StlUtils.h
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//
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// Abstract:
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// Definition of STL utility classes and functions.
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//
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// Implementation File:
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// None.
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//
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// Author:
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// David Potter (davidp) May 21, 1998
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//
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// Revision History:
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//
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// Notes:
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __STLUTUILS_H_
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#define __STLUTUILS_H_
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/////////////////////////////////////////////////////////////////////////////
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// Forward Class Declarations
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// External Class Declarations
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// Include Files
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// Type Definitions
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// Global Functions
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/////////////////////////////////////////////////////////////////////////////
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// Delete all items from a pointer list
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template < class T >
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void DeleteAllPtrListItems( std::list< T > * pList )
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{
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ATLASSERT( pList != NULL );
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//
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// Get pointers to beginning and end of list.
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//
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std::list< T >::iterator itCurrent = pList->begin();
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std::list< T >::iterator itLast = pList->end();
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//
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// Loop through the list and delete each objects.
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//
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while ( itCurrent != itLast )
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{
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T pT = *itCurrent;
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ATLASSERT( pT != NULL );
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delete pT;
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itCurrent = pList->erase( itCurrent );
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} // while: more items in the list
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} //*** DeleteAllPtrListItems()
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// Delete items of a desired type from a pointer list
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template < class TBase, class T >
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void DeletePtrListItems( std::list< TBase > * pList )
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{
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ATLASSERT( pList != NULL );
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//
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// Get pointers to beginning and end of list.
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//
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std::list< TBase >::iterator itCurrent = pList->begin();
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std::list< TBase >::iterator itLast = pList->end();
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//
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// Loop through the list looking for objects of the
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// desired type and delete those objects.
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//
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while ( itCurrent != itLast )
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{
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T pT = dynamic_cast< T >( *itCurrent );
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if ( pT != NULL )
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{
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delete pT;
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itCurrent = pList->erase( itCurrent );
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} // if: object has desired type
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else
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{
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itCurrent++;
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} // else: object has different type
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} // while: more items in the list
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} //*** DeletePtrListItems()
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// Move items of a desired type from one pointer list to another list
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template < class TBase, class T >
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void MovePtrListItems(
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std::list< TBase > * pSrcList,
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std::list< T > * pDstList
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)
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{
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ATLASSERT( pSrcList != NULL );
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ATLASSERT( pDstList != NULL );
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//
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// Get pointers to beginning and end of list.
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//
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std::list< TBase >::iterator itCurrent = pSrcList->begin();
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std::list< TBase >::iterator itLast = pSrcList->end();
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//
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// Loop through the source list looking for objects of the
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// desired type and move those objects to the
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// destination list.
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//
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while ( itCurrent != itLast )
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{
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T pT = dynamic_cast< T >( *itCurrent );
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if ( pT != NULL )
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{
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itCurrent = pSrcList->erase( itCurrent );
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pDstList->insert( pDstList->end(), pT );
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} // if: object has desired type
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else
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{
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itCurrent++;
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} // else: object has different type
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} // while: more items in the list
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} //*** MovePtrListItems()
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/////////////////////////////////////////////////////////////////////////////
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#endif // __STLUTUILS_H_
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