214 lines
5.2 KiB
C++
214 lines
5.2 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.0
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::Tuple
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Description
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A 2 Tuple. Differs from Tuple in that the two elements can be different
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type.
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\*---------------------------------------------------------------------------*/
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#ifndef Tuple_H
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#define Tuple_H
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#include "Istream.H"
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#include "Ostream.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// Forward declaration of friend functions and operators
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template<class Type1, class Type2>
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class Tuple;
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template<class Type1, class Type2>
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Istream& operator>>(Istream&, Tuple<Type1, Type2>&);
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template<class Type1, class Type2>
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Ostream& operator<<(Ostream&, const Tuple<Type1, Type2>&);
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/*---------------------------------------------------------------------------*\
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Class Tuple Declaration
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\*---------------------------------------------------------------------------*/
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template<class Type1, class Type2>
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class Tuple
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{
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// Private data
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Type1 first_;
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Type2 second_;
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public:
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// Constructors
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//- Null constructor for lists
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inline Tuple()
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{}
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//- Construct from components
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inline Tuple(const Type1& first, const Type2& second)
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:
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first_(first),
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second_(second)
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{}
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//- Construct from Istream
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inline Tuple(Istream& is)
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{
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// Read beginning of pair
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is.readBegin("pair");
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is >> first_ >> second_;
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// Read end of pair
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is.readEnd("pair");
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// Check state of Istream
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is.check("Tuple::Tuple(Istream&)");
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}
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// Member Functions
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//- Return first
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inline Type1 first() const
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{
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return first_;
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}
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//- Return first
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inline Type1& first()
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{
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return first_;
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}
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//- Return second
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inline Type2 second() const
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{
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return second_;
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}
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//- Return second
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inline Type2& second()
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{
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return second_;
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}
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//- Return reverse pair
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inline Tuple<Type1, Type2> reverseTuple() const
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{
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return Tuple<Type1, Type2>(second_, first_);
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}
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// Friend Operators
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inline friend bool operator==
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(
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const Tuple<Type1, Type2>& a,
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const Tuple<Type1, Type2>& b
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)
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{
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return
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(
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(a.first_ == b.first_) && (a.second_ == b.second_)
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);
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}
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inline friend bool operator!=
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(
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const Tuple<Type1, Type2>& a,
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const Tuple<Type1, Type2>& b
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)
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{
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return (!(a == b));
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}
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// IOstream Operators
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friend Istream& operator>> <Type1, Type2>
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(
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Istream& is,
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Tuple<Type1, Type2>& p
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);
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friend Ostream& operator<< <Type1, Type2>
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(
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Ostream& os,
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const Tuple<Type1, Type2>& p
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);
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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template<class Type1, class Type2>
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Istream& operator>>(Istream& is, Tuple<Type1, Type2>& p)
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{
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// Read beginning of Tuple<Type, Type>
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is.readBegin("Tuple<Type, Type>");
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is >> p.first_ >> p.second_;
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// Read end of Tuple<Type, Type>
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is.readEnd("Tuple<Type, Type>");
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// Check state of Ostream
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is.check("Istream& operator>>(Istream&, Tuple<Type, Type>&)");
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return is;
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}
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template<class Type1, class Type2>
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Ostream& operator<<(Ostream& os, const Tuple<Type1, Type2>& p)
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{
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os << token::BEGIN_LIST
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<< p.first_ << token::SPACE
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<< p.second_
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<< token::END_LIST;
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// Check state of Ostream
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os.check("Ostream& operator<<(Ostream&, const Tuple<Type, Type>&)");
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return os;
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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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