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9f91084eef
- Constructs a validated word, in which all invalid characters have been stripped out and any leading digit is '_'-prefixed. Words with leading digits cause parse issues when read back later. - Replaces previous functionally identical code from src/conversion -- COMP: test against nullObject instead of checking address for null pointer.
95 lines
2.8 KiB
C
95 lines
2.8 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 OpenFOAM Foundation
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\\/ M anipulation | Copyright (C) 2017 OpenCFD Ltd.
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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 "word.H"
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#include "debug.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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const char* const Foam::word::typeName = "word";
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int Foam::word::debug(Foam::debug::debugSwitch(word::typeName, 0));
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const Foam::word Foam::word::null;
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// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
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Foam::word Foam::word::validated(const std::string& s)
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{
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std::string::size_type count = 0;
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bool prefix = false;
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// Count number of valid characters and detect if the first character
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// happens to be a digit, which we'd like to avoid having since this
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// will cause parse issues when read back later.
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for (std::string::const_iterator it = s.cbegin(); it != s.cend(); ++it)
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{
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const char c = *it;
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if (word::valid(c))
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{
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if (!count && isdigit(c))
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{
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// First valid character was a digit - prefix with '_'
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prefix = true;
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++count;
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}
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++count;
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}
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}
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if (count == s.size() && !prefix)
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{
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return word(s, false); // Already checked, can just return as word
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}
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word out;
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out.resize(count);
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count = 0;
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// Copy valid content.
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if (prefix)
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{
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out[count++] = '_';
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}
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for (std::string::const_iterator it = s.cbegin(); it != s.cend(); ++it)
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{
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const char c = *it;
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if (word::valid(c))
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{
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out[count++] = c;
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}
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}
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out.resize(count);
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return out;
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}
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// ************************************************************************* //
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