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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
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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/>.
\*---------------------------------------------------------------------------*/
#include "rawIOField.H"
#include "IFstream.H"
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
template<class Type>
Foam::rawIOField<Type>::rawIOField(const IOobject& io, const bool readAverage)
:
regIOobject(io),
average_(Zero)
{
// Check for MUST_READ_IF_MODIFIED
warnNoRereading<rawIOField<Type>>();
if
(
io.readOpt() == IOobject::MUST_READ
|| io.readOpt() == IOobject::MUST_READ_IF_MODIFIED
|| io.readOpt() == IOobject::READ_IF_PRESENT
)
{
bool haveFile = false;
bool headerOk = false;
// Replacement of regIOobject::headerok() since that one complains
// if there is no header. TBD - Move up to headerOk()/fileHandler.
{
const fileName fName(filePath());
// Try to open raw first
autoPtr<ISstream> isPtr(fileHandler().NewIFstream(fName));
if (isPtr && isPtr->good())
{
haveFile = true;
ISstream& is = isPtr();
const token firstToken(is);
headerOk = is.good() && firstToken.isWord("FoamFile");
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}
isPtr.clear();
if (debug)
{
Pout<< "rawIOField : object:" << io.name()
<< " haveFile:" << haveFile
<< " headerOk:" << headerOk << endl;
}
}
if (headerOk)
{
// Read but don't fail upon wrong class. Could extend by providing
// wanted typeName. Tbd.
Istream& is = readStream(word::null);
if (is.good())
{
is >> static_cast<Field<Type>&>(*this);
if (readAverage)
{
average_ = pTraits<Type>(is);
}
close();
}
}
else if (haveFile)
{
// Failed reading - fall back to IFstream
autoPtr<ISstream> isPtr(fileHandler().NewIFstream(io.objectPath()));
if (!isPtr || !isPtr->good())
{
if (io.readOpt() != IOobject::READ_IF_PRESENT)
{
FatalIOErrorInFunction(*isPtr)
<< "Trying to read raw field" << endl
<< exit(FatalIOError);
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}
}
else
{
ISstream& is = isPtr();
is >> static_cast<Field<Type>&>(*this);
if (readAverage)
{
average_ = pTraits<Type>(is);
}
}
}
if (debug)
{
Pout<< "rawIOField : object:" << io.name()
<< " size:" << this->size() << endl;
}
}
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class Type>
bool Foam::rawIOField<Type>::writeData(Ostream& os) const
{
os << static_cast<const Field<Type>&>(*this);
if (average_ != pTraits<Type>::zero)
{
os << token::NL << average_;
}
return os.good();
}
// ************************************************************************* //