keyType.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
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-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::keyType
 
Description
    A class for handling keywords in dictionaries.
 
    A keyType is the keyword of a dictionary.
    It differs from word in that it accepts patterns (regular expressions).
 
SourceFiles
    keyType.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef keyType_H
#define keyType_H
 
#include "word.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of classes
class Istream;
class Ostream;
 
 
/*---------------------------------------------------------------------------*\
                           Class keyType Declaration
\*---------------------------------------------------------------------------*/
 
class keyType
:
    public word
{
    // Private data
 
        //- Is the keyType a pattern (regular expression)
        bool isPattern_;
 
    // Private Member Functions
 
        //- Disallow assignments where we cannot determine string/word type
        void operator=(const std::string&);
 
public:
 
    // Static data members
 
        //- An empty keyType
        static const keyType null;
 
 
    // Constructors
 
        //- Construct null
        inline keyType();
 
        //- Construct as copy
        inline keyType(const keyType&);
 
        //- Construct as copy of word. Not treated as a regular expression
        inline keyType(const word&);
 
        //- Construct as copy of string. Treat as regular expression.
        inline keyType(const string&);
 
        //- Construct as copy of character array.
        //  Not treated as a regular expression
        inline keyType(const char*);
 
        //- Construct as copy of std::string with specified treatment
        inline keyType(const std::string&, const bool isPattern);
 
        //- Construct from Istream
        //  Treat as regular expression if surrounded by quotation marks.
        keyType(Istream&);
 
 
    // Member functions
 
        //- Should be treated as a match rather than a literal string
        inline bool isPattern() const;
 
        //- Smart match as regular expression or as a string
        //  Optionally force a literal match only
        bool match(const std::string&, bool literalMatch=false) const;
 
    // Member operators
 
        // Assignment
 
            //- Assignment operator
            inline const keyType& operator=(const keyType&);
 
            //- Assign as word, not as non regular expression
            inline const keyType& operator=(const word&);
 
            //- Assign as regular expression
            inline const keyType& operator=(const string&);
 
            //- Assign as word, not as non regular expression
            inline const keyType& operator=(const char*);
 
 
    // IOstream operators
 
        friend Istream& operator>>(Istream&, keyType&);
        friend Ostream& operator<<(Ostream&, const keyType&);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "keyTypeI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //