129 lines
3.1 KiB
C++
129 lines
3.1 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Class
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Foam::FIFOStack
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Description
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A FIFO stack based on a singly-linked list.
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Operations are push(), pop(), top(), bottom() and empty().
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SourceFiles
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FIFOStack.C
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\*---------------------------------------------------------------------------*/
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#ifndef FIFOStack_H
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#define FIFOStack_H
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#include "SLList.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class FIFOStack Declaration
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\*---------------------------------------------------------------------------*/
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template<class T>
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class FIFOStack
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:
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public SLList<T>
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{
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public:
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// Constructors
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//- Construct null
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FIFOStack()
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{}
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//- Construct given initial T
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FIFOStack(T a)
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:
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SLList<T>(a)
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{}
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//- Construct from Istream
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FIFOStack(Istream& is)
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:
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SLList<T>(is)
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{}
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// Member Functions
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// Access
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//- Return a copy of the top element
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T top() const
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{
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return this->last();
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}
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//- Return a copy of the bottom element
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T bottom() const
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{
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return this->first();
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}
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// Check
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//- Is the stack empty
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bool empty() const
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{
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return this->size() == 0;
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}
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// Edit
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//- Push an element onto the stack
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void push(const T& a)
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{
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this->append(a);
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}
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//- Pop the bottom element off the stack
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T pop()
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{
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return this->removeHead();
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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