5635e14f81
- primarily for handling expression results, but can also be used as a universal value holder. Has some characteristics suitable for type-less IO: eg, is_integral(), nComponents() ENH: add is_pointer() check for expression scanToken
142 lines
3.0 KiB
C
142 lines
3.0 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 | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2021-2023 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
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Application
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Test-exprValue
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Description
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Test low-level polymorphic value container (exprValue)
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "IOstreams.H"
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#include "ITstream.H"
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#include "exprValue.H"
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using namespace Foam;
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void printInfo(const expressions::exprValue& val)
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{
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Info<< "Boxed type:" << int(val.typeCode())
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<< " (" << val.valueTypeName() << ") good:"
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<< val.good() << " => " << val << nl;
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}
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expressions::exprValue tryParse(const std::string& str)
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{
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expressions::exprValue val, val2;
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ITstream is(str);
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const bool ok = val.read(is);
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Info<< "read " << Foam::name(val.typeCode()) << " from " << str;
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if (ok)
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{
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Info<< " trailing tokens:" << is.nRemainingTokens() << nl
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<< "value: " << val << nl;
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}
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else
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{
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Info<< " FAILED" << nl;
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}
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if (ok)
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{
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Info<< "Direct from string: ";
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if (expressions::exprValue::read(str, val2))
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{
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Info<< "good" << nl;
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}
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else
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{
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Info<< "bad" << nl;
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}
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}
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return val;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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argList::noBanner();
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argList::noParallel();
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#include "setRootCase.H"
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// Aborts
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// expressions::exprValue value(std::string(""));
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{
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expressions::exprValue value;
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// Nothing
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printInfo(value);
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value.set(scalar(100));
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printInfo(value);
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value.set(vector(1,2,3));
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printInfo(value);
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value = vector(4,5,6);
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printInfo(value);
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value = Zero;
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printInfo(value);
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value.clear();
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printInfo(value);
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value = 100 * vector(1,0,0);
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printInfo(value);
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}
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{
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Info<< nl << "Test parsing" << nl << nl;
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for
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(
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const auto& input :
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stringList
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({
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"()", // bad
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"( 1 2 ", // also bad
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"( ", // really bad
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"(1 16 12)",
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"(1 bad)",
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"(5)",
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"1.2345",
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"5.678 trailing",
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"true",
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"false",
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" 1 ",
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" yes no "
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})
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)
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{
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(void) tryParse(input);
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}
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}
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return 0;
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}
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// ************************************************************************* //
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