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547702a15d
Method Standard::Free() is converted to template, so that pointer is nullified using its proper type. Unnecessary type cases in calls to Standard::Free(), Standard::Reallocate(), and NCollection_BaseAllocator::Free() eliminated throughout OCCT code.
79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
// Created on: 2009-09-23
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// Copyright (c) 2009-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and / or modify it
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// under the terms of the GNU Lesser General Public version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _NCollection_LocalArray_HeaderFile
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#define _NCollection_LocalArray_HeaderFile
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#include <Standard.hxx>
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#include <Standard_TypeDef.hxx>
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//! Auxiliary class optimizing creation of array buffer
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//! (using stack allocation for small arrays).
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template<class theItem> class NCollection_LocalArray
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{
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public:
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// 1K * sizeof (theItem)
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static const size_t MAX_ARRAY_SIZE = 1024;
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NCollection_LocalArray (const size_t theSize)
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: myPtr (myBuffer)
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{
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Allocate(theSize);
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}
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NCollection_LocalArray ()
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: myPtr (myBuffer) {}
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virtual ~NCollection_LocalArray()
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{
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Deallocate();
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}
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void Allocate (const size_t theSize)
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{
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Deallocate();
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if (theSize > MAX_ARRAY_SIZE)
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myPtr = (theItem*)Standard::Allocate (theSize * sizeof(theItem));
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else
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myPtr = myBuffer;
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}
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operator theItem*() const
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{
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return myPtr;
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}
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private:
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NCollection_LocalArray (const NCollection_LocalArray& );
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NCollection_LocalArray& operator= (const NCollection_LocalArray& );
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protected:
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void Deallocate()
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{
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if (myPtr != myBuffer)
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Standard::Free (myPtr);
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}
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protected:
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theItem myBuffer[MAX_ARRAY_SIZE];
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theItem* myPtr;
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};
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#endif // _NCollection_LocalArray_HeaderFile
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