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parse/enum: add support fro enum classes

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This commit is contained in:
Danny Robson 2019-08-26 12:18:37 +10:00
parent 6367596537
commit ad92254554
2 changed files with 39 additions and 19 deletions
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4
parse/enum.hpp
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@ -53,7 +53,9 @@ namespace cruft::parse::enumeration {
for (auto const [key,val]: m_cache) {
if (equal (key, str)) {
str = str.consume (key.size ());
return val;
// We must cast the value here so that enum
// classes are supported.
return static_cast<ValueT> (val);
}
}

20
test/parse/enum.cpp
View File

@ -5,7 +5,12 @@
enum enumeration_t : u16 { FOO, BAR = 2, QUX = 257 };
enum class enum_class { VALUE };
int main ()
{
cruft::TAP::logger tap;
{
auto const cookie = cruft::parse::enumeration::setup<enumeration_t> ({
{ "FOO", FOO },
@ -14,7 +19,6 @@ int main ()
});
(void)cookie;
cruft::TAP::logger tap;
tap.expect_eq (FOO, cruft::parse::from_string<enumeration_t> ("FOO"), "enumeration, FOO");
tap.expect_eq (BAR, cruft::parse::from_string<enumeration_t> ("BAR"), "enumeration, BAR");
tap.expect_eq (QUX, cruft::parse::from_string<enumeration_t> ("QUX"), "enumeration, QUX");
@ -27,5 +31,19 @@ int main ()
),
"u16, QUX"
);
}
{
auto const cookie = cruft::parse::enumeration::setup<enum_class> ({
{ "VALUE", enum_class::VALUE },
});
(void)cookie;
tap.expect_eq (
enum_class::VALUE,
cruft::parse::from_string<enum_class> ("VALUE"), "enum class, VALUE"
);
}
return tap.status ();
}