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-rw-r--r--src/lib/formats/fsmeta.cpp40
1 files changed, 27 insertions, 13 deletions
diff --git a/src/lib/formats/fsmeta.cpp b/src/lib/formats/fsmeta.cpp
index 9ccb7e144b3..9c7143301ce 100644
--- a/src/lib/formats/fsmeta.cpp
+++ b/src/lib/formats/fsmeta.cpp
@@ -32,20 +32,34 @@ const char *meta_data::entry_name(meta_name name)
return "";
}
-std::string meta_value::to_string(meta_type type, const meta_value &m)
+std::string meta_value::to_string() const
{
- switch(type) {
- case meta_type::string: return m.as_string();
- case meta_type::number: return util::string_format("0x%x", m.as_number());
- case meta_type::flag: return m.as_flag() ? "t" : "f";
- case meta_type::date: {
- auto dt = m.as_date();
- return util::string_format("%04d-%02d-%02d %02d:%02d:%02d",
- dt.year, dt.month, dt.day_of_month,
- dt.hour, dt.minute, dt.second);
- }
- }
- return std::string("");
+ std::string result;
+
+ std::visit([this, &result](auto &&arg)
+ {
+ using T = std::decay_t<decltype(arg)>;
+ if constexpr (std::is_same_v<T, std::string>)
+ {
+ result = as_string();
+ }
+ else if constexpr (std::is_same_v<T, uint64_t>)
+ {
+ result = util::string_format("0x%x", as_number());
+ }
+ else if constexpr (std::is_same_v<T, bool>)
+ {
+ result = as_flag() ? "t" : "f";
+ }
+ else if constexpr (std::is_same_v<T, util::arbitrary_datetime>)
+ {
+ auto dt = as_date();
+ result = util::string_format("%04d-%02d-%02d %02d:%02d:%02d",
+ dt.year, dt.month, dt.day_of_month,
+ dt.hour, dt.minute, dt.second);
+ }
+ }, value);
+ return result;
}
} // namespace fs