Added custom fmt formatters for h5pp::varr_t and h5pp::vstr_t

DavidAce · Sep 2, 2023 · af59592 · af59592
1 parent 1f7f081
commit af59592
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Showing 2 changed files with 26 additions and 2 deletions.
diff --git a/include/h5pp/details/h5ppVarr.h b/include/h5pp/details/h5ppVarr.h
@@ -337,4 +337,18 @@ namespace h5pp::type::sfinae {
 
     template<typename T>
     inline constexpr bool is_or_has_varr_v = is_varr_v<T> or has_varr_v<T>;
-}
+}
+
+
+#if defined(H5PP_USE_FMT) && defined(FMT_FORMAT_H_)
+
+// Add a custom fmt::formatter for h5pp::varr_t
+template<typename T, typename Char>
+struct fmt::formatter<h5pp::varr_t<T>, Char, typename::std::enable_if_t<std::is_arithmetic_v<T>>::value> : fmt::formatter<std::vector<T>, Char> {
+//template <typename T, typename=std::enable_if_t<std::is_arithmetic_v<T>>::value>
+//struct fmt::formatter<h5pp::varr_t<T>>: formatter<std::vector<T>> {
+  auto format(const h5pp::varr_t<T> & v, format_context& ctx) const{
+        return fmt::formatter<std::vector<T>>::format(std::vector<T>(v.begin(), v.end()), ctx);
+  }
+};
+#endif
diff --git a/include/h5pp/details/h5ppVstr.h b/include/h5pp/details/h5ppVstr.h
@@ -332,4 +332,14 @@ namespace h5pp::type::sfinae {
 
     template<typename T>
     inline constexpr bool is_or_has_vstr_v = is_vstr_v<T> or has_vstr_v<T>;
-}
+}
+
+
+#if defined(H5PP_USE_FMT) && defined(FMT_FORMAT_H_)
+// Add a custom fmt::formatter for h5pp::vstr_t
+template <> struct fmt::formatter<h5pp::vstr_t>: formatter<string_view> {
+  auto format(const h5pp::vstr_t &s, format_context& ctx) const{
+        return fmt::formatter<string_view>::format(s.c_str(), ctx);
+  }
+};
+#endif