word.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
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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 2 of the License, or (at your
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Class
    Foam::word

Description
    A class for handling words, derived from string.

    A word is a string of characters containing no whitespace and may be
    constructed from a string by removing whitespace. Words are delimited
    by whitespace.

SourceFiles
    word.C
    wordIO.C

\*---------------------------------------------------------------------------*/

#ifndef word_H
#define word_H

#include "string.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// Forward declaration of friend functions and operators
class word;
inline word operator&(const word&, const word&);
Istream& operator>>(Istream&, word&);
Ostream& operator<<(Ostream&, const word&);


/*---------------------------------------------------------------------------*\
                           Class word Declaration
\*---------------------------------------------------------------------------*/

class word
:
    public string
{
    // Private member functions

        //- Strip invalid characters from this word
        inline void stripInvalid();


public:

    // Static data members

        static const char* const typeName;
        static int debug;
        static const word null;


    // Constructors

        //- Construct null
        inline word();

        //- Construct as copy
        inline word(const word&);

        //- Construct as copy of character array
        inline word(const char*, const bool doStripInvalid=true);

        //- Construct as copy with a maximum number of characters
        inline word
        (
            const char*,
            const size_type,
            const bool doStripInvalid
        );

        //- Construct as copy of string
        inline word(const string&, const bool doStripInvalid=true);

        //- Construct as copy of std::string
        inline word(const std::string&, const bool doStripInvalid=true);

        //- Construct from Istream
        word(Istream&);


    // Member functions

        //- Is this character valid for a word
        inline static bool valid(char);


    // Member operators

        // Assignment

            inline const word& operator=(const word&);
            inline const word& operator=(const string&);
            inline const word& operator=(const std::string&);
            inline const word& operator=(const char*);


    // Friend Operators

        friend word operator&(const word&, const word&);


    // IOstream operators

        friend Istream& operator>>(Istream&, word&);
        friend Ostream& operator<<(Ostream&, const word&);
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#include "wordI.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //