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138 lines
4.0 KiB
C
138 lines
4.0 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) 1991-2009 OpenCFD Ltd.
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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 "IOobject.H"
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#include "dictionary.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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bool Foam::IOobject::readHeader(Istream& is)
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{
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if (IOobject::debug)
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{
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Info<< "IOobject::readHeader(Istream&) : reading header for file "
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<< is.name() << endl;
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}
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// Check Istream not already bad
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if (!is.good())
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{
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if (rOpt_ == MUST_READ)
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{
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FatalIOErrorIn("IOobject::readHeader(Istream&)", is)
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<< " stream not open for reading essential object from file "
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<< is.name()
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<< exit(FatalIOError);
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}
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if (IOobject::debug)
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{
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SeriousIOErrorIn("IOobject::readHeader(Istream&)", is)
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<< " stream not open for reading from file "
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<< is.name() << endl;
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}
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return false;
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}
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token firstToken(is);
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if
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(
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is.good()
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&& firstToken.isWord()
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&& firstToken.wordToken() == "FoamFile"
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)
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{
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dictionary headerDict(is);
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is.version(headerDict.lookup("version"));
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is.format(headerDict.lookup("format"));
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headerClassName_ = word(headerDict.lookup("class"));
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const word headerObject(headerDict.lookup("object"));
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if (IOobject::debug && headerObject != name())
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{
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IOWarningIn("IOobject::readHeader(Istream&)", is)
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<< " object renamed from "
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<< name() << " to " << headerObject
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<< " for file " << is.name() << endl;
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}
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// The note entry is optional
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headerDict.readIfPresent("note", note_);
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}
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else
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{
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SeriousIOErrorIn("IOobject::readHeader(Istream&)", is)
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<< "First token could not be read or is not the keyword 'FoamFile'"
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<< nl << nl << "Check header is of the form:" << nl << endl;
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writeHeader(Info);
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return false;
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}
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// Check stream is still OK
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if (is.good())
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{
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objState_ = GOOD;
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}
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else
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{
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if (rOpt_ == MUST_READ)
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{
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FatalIOErrorIn("IOobject::readHeader(Istream&)", is)
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<< " stream failure while reading header"
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<< " on line " << is.lineNumber()
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<< " of file " << is.name()
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<< " for essential object" << name()
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<< exit(FatalIOError);
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}
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if (IOobject::debug)
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{
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Info<< "IOobject::readHeader(Istream&) :"
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<< " stream failure while reading header"
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<< " on line " << is.lineNumber()
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<< " of file " << is.name() << endl;
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}
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objState_ = BAD;
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return false;
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}
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if (IOobject::debug)
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{
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Info<< " .... read" << endl;
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}
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return true;
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}
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// ************************************************************************* //
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