IOPosition.C

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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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    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 "IOPosition.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::IOPosition<CloudType>::IOPosition(const IOobject& io, const CloudType& c)
:
    regIOobject(io),
    cloud_(c)
{}
 
 
template<class CloudType>
Foam::IOPosition<CloudType>::IOPosition(const CloudType& c)
:
    regIOobject
    (
        IOobject
        (
            "positions",
            c.time().name(),
            c,
            IOobject::MUST_READ,
            IOobject::NO_WRITE
        )
    ),
    cloud_(c)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class CloudType>
bool Foam::IOPosition<CloudType>::write(const bool write) const
{
    return regIOobject::write(cloud_.size());
}
 
 
template<class CloudType>
bool Foam::IOPosition<CloudType>::writeData(Ostream& os) const
{
    os  << cloud_.size() << nl << token::BEGIN_LIST << nl;
 
    forAllConstIter(typename CloudType, cloud_, iter)
    {
        iter().writePosition(os);
        os  << nl;
    }
 
    os  << token::END_LIST << endl;
 
    return os.good();
}
 
 
template<class CloudType>
void Foam::IOPosition<CloudType>::readData(Istream& is, CloudType& c)
{
    static const char* funcName =
        "IOPosition<CloudType>::readData(Istream&, CloudType&)";
 
    token firstToken(is);
 
    if (firstToken.isLabel())
    {
        label s = firstToken.labelToken();
 
        // Read beginning of contents
        is.readBeginList(funcName);
 
        for (label i=0; i<s; i++)
        {
            // Read position only
            c.append(new typename CloudType::value_type(is, false));
        }
 
        // Read end of contents
        is.readEndList(funcName);
    }
    else if (firstToken.isPunctuation())
    {
        if (firstToken.pToken() != token::BEGIN_LIST)
        {
            FatalIOErrorInFunction(is)
                << "incorrect first token, '(', found "
                << firstToken.info() << exit(FatalIOError);
        }
 
        token lastToken(is);
        while
        (
           !(
                lastToken.isPunctuation()
             && lastToken.pToken() == token::END_LIST
            )
        )
        {
            is.putBack(lastToken);
 
            // Read position only
            c.append(new typename CloudType::value_type(is, false));
            is  >> lastToken;
        }
    }
    else
    {
        FatalIOErrorInFunction(is)
            << "incorrect first token, expected <int> or '(', found "
            << firstToken.info() << exit(FatalIOError);
    }
 
    // Check state of IOstream
    is.check(funcName);
}
 
 
// ************************************************************************* //