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ENH: provide list of enums for NamedEnum

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- can be used to loop over all enumerations in the order of definition.
This commit is contained in:
Mark Olesen
2016-09-27 12:40:17 +02:00
parent ba249f8e76
commit bbec683e42
4 changed files with 76 additions and 13 deletions
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2
applications/test/NamedEnum/Make/files
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@ -1,3 +1,3 @@
Test-namedEnum.C
Test-NamedEnum.C
EXE = $(FOAM_USER_APPBIN)/Test-NamedEnum

58
applications/test/NamedEnum/Test-namedEnum.C → applications/test/NamedEnum/Test-NamedEnum.C
View File

@ -34,26 +34,28 @@ class namedEnumTest
{
public:
enum options
enum option
{
a,
b,
c
c,
d
};
static const Foam::NamedEnum<options, 3> namedEnum;
static const Foam::NamedEnum<option, 4> namedEnum;
};
template<>
const char* Foam::NamedEnum<namedEnumTest::options, 3>::names[] =
const char* Foam::NamedEnum<namedEnumTest::option, 4>::names[] =
{
"a",
"b",
"c"
"c",
"d"
};
const Foam::NamedEnum<namedEnumTest::options, 3> namedEnumTest::namedEnum;
const Foam::NamedEnum<namedEnumTest::option, 4> namedEnumTest::namedEnum;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -61,11 +63,47 @@ const Foam::NamedEnum<namedEnumTest::options, 3> namedEnumTest::namedEnum;
int main(int argc, char *argv[])
{
Info<< namedEnumTest::namedEnum["a"] << endl;
Info<< namedEnumTest::namedEnum[namedEnumTest::a] << endl;
const List<namedEnumTest::option> options
= namedEnumTest::namedEnum.enums();
namedEnumTest::options hmm(namedEnumTest::namedEnum.read(Sin));
Info<< namedEnumTest::namedEnum[hmm] << endl;
Info<< "enums: " << options << nl;
Info<< "loop over enums (as list):" << nl;
forAll(options, i)
{
const namedEnumTest::option& opt = options[i];
Info<< "option[" << opt
<< "] = '" << namedEnumTest::namedEnum[opt] << "'" << nl;
}
#if __cplusplus > 201100L
// C++11
Info<< "loop over enums (C++11 for range):" << nl;
for (auto const& opt : options)
{
Info<< "option[" << opt
<< "] = '" << namedEnumTest::namedEnum[opt] << "'" << nl;
}
#else
Info<< "loop over enums (via iterator):" << nl;
forAllConstIter(List<namedEnumTest::option>, options, iter)
{
const namedEnumTest::option& opt = *iter;
Info<< "option[" << opt
<< "] = '" << namedEnumTest::namedEnum[opt] << "'" << nl;
}
#endif
Info<< nl
<< namedEnumTest::namedEnum["a"] << nl
<< namedEnumTest::namedEnum[namedEnumTest::a] << nl;
Info<< "--- test read construction ---" << endl;
namedEnumTest::option dummy(namedEnumTest::namedEnum.read(Sin));
Info<< namedEnumTest::namedEnum[dummy] << endl;
Info<< "End\n" << endl;