186 lines
4.2 KiB
C
186 lines
4.2 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "IFstream.H"
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#include "OSspecific.H"
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#include "gzstream.h"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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defineTypeNameAndDebug(IFstream, 0);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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Foam::IFstreamAllocator::IFstreamAllocator(const fileName& pathname)
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:
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ifPtr_(NULL),
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compression_(IOstream::UNCOMPRESSED)
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{
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if (pathname.empty())
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{
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if (IFstream::debug)
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{
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InfoInFunction << "Cannot open null file " << endl;
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}
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}
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ifPtr_ = new ifstream(pathname.c_str());
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// If the file is compressed, decompress it before reading.
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if (!ifPtr_->good() && isFile(pathname + ".gz", false))
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{
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if (IFstream::debug)
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{
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InfoInFunction << "Decompressing " << pathname + ".gz" << endl;
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}
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delete ifPtr_;
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ifPtr_ = new igzstream((pathname + ".gz").c_str());
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if (ifPtr_->good())
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{
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compression_ = IOstream::COMPRESSED;
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}
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}
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}
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Foam::IFstreamAllocator::~IFstreamAllocator()
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{
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delete ifPtr_;
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::IFstream::IFstream
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(
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const fileName& pathname,
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streamFormat format,
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versionNumber version
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)
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:
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IFstreamAllocator(pathname),
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ISstream
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(
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*ifPtr_,
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"IFstream.sourceFile_",
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format,
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version,
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IFstreamAllocator::compression_
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),
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pathname_(pathname)
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{
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setClosed();
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setState(ifPtr_->rdstate());
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if (!good())
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{
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if (debug)
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{
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InfoInFunction
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<< "Could not open file for input" << endl << info() << endl;
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}
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setBad();
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}
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else
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{
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setOpened();
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}
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lineNumber_ = 1;
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::IFstream::~IFstream()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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std::istream& Foam::IFstream::stdStream()
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{
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if (!ifPtr_)
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{
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FatalErrorInFunction
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<< "No stream allocated" << abort(FatalError);
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}
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return *ifPtr_;
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}
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const std::istream& Foam::IFstream::stdStream() const
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{
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if (!ifPtr_)
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{
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FatalErrorInFunction
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<< "No stream allocated" << abort(FatalError);
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}
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return *ifPtr_;
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}
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void Foam::IFstream::print(Ostream& os) const
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{
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// Print File data
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os << "IFstream: ";
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ISstream::print(os);
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}
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// * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * * //
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Foam::IFstream& Foam::IFstream::operator()() const
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{
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if (!good())
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{
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// also checks .gz file
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if (isFile(pathname_, true))
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{
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check("IFstream::operator()");
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FatalIOError.exit();
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}
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else
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{
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FatalIOErrorInFunction(*this)
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<< "file " << pathname_ << " does not exist"
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<< exit(FatalIOError);
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}
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}
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return const_cast<IFstream&>(*this);
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}
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// ************************************************************************* //
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