wordIO.C

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    Copyright (C) 2011-2015 OpenFOAM Foundation
    Copyright (C) 2018-2021 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 3 of the License, or
    (at your option) any later version.
 
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    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
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#include "word.H"
#include "token.H"
#include "IOstreams.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::word::word(Istream& is)
{
    is >> *this;
}
 
 
// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
Foam::Istream& Foam::operator>>(Istream& is, word& val)
{
    token tok(is);
 
    if (tok.isWord())
    {
        val = tok.wordToken();
    }
    else if (tok.isQuotedString() || tok.isVariable())
    {
        // Try a bit harder, convert some string types to word
        // - accept "quoted" or $tag, but not verbatim/expression
 
        const auto& str = tok.stringToken();
        val = word::validate(str);
 
        // Flag empty strings and bad chars as an error
        if (val.empty() || val.length() != str.length())
        {
            FatalIOErrorInFunction(is)
                << "Empty word or non-word characters "
                << tok.info() << exit(FatalIOError);
            is.setBad();
            return is;
        }
    }
    else
    {
        FatalIOErrorInFunction(is);
        if (tok.good())
        {
            FatalIOError
                << "Wrong token type - expected word, found "
                << tok.info();
        }
        else
        {
            FatalIOError
                << "Bad token - could not get word";
        }
        FatalIOError << exit(FatalIOError);
        is.setBad();
        return is;
    }
 
    is.check(FUNCTION_NAME);
    return is;
}
 
 
Foam::Ostream& Foam::operator<<(Ostream& os, const word& val)
{
    os.write(val);
    os.check(FUNCTION_NAME);
    return os;
}
 
 
// ************************************************************************* //