mirror of
https://develop.openfoam.com/Development/openfoam.git
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126 lines
3.4 KiB
C++
126 lines
3.4 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) 1991-2008 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 the
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Free Software Foundation; either version 2 of the License, or (at your
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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, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Class
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Foam::regularExpression
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Description
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Wrapper around regular expressions.
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SourceFiles
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\*---------------------------------------------------------------------------*/
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#ifndef regularExpression_H
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#define regularExpression_H
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#include <sys/types.h>
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#include <regex.h>
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#include "string.H"
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#include "IOstreams.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class regularExpression Declaration
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\*---------------------------------------------------------------------------*/
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class regularExpression
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{
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// Private data
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//- Precompiled regular expression
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regex_t* preg_;
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// Private member functions
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//- Disallow default bitwise copy construct
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regularExpression(const regularExpression&);
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//- Disallow default bitwise assignment
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void operator=(const regularExpression&);
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public:
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// Constructors
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//- Construct from string
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inline regularExpression(const string& s)
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{
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preg_ = new regex_t;
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if (regcomp(preg_, s.c_str(), REG_EXTENDED) != 0)
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{
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FatalErrorIn
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(
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"regularExpression::regularExpression(const char*)"
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) << "Failed to compile regular expression " << s
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<< exit(FatalError);
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}
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}
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// Destructor
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//- Construct from string
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inline ~regularExpression()
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{
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if (preg_)
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{
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regfree(preg_);
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delete preg_;
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}
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}
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// Member functions
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//- Matches?
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inline bool matches(const string& s) const
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{
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size_t nmatch = 1;
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regmatch_t pmatch[1];
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int errVal = regexec(preg_, s.c_str(), nmatch, pmatch, 0);
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return (errVal == 0 && pmatch[0].rm_eo == label(s.size()));
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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