add separate module implementation files

1 files changed, 57 insertions, 0 deletions

diff --git a/nihil.config/string.cc b/nihil.config/string.cc
new file mode 100644
index 0000000..6b201ae
--- /dev/null
+++ b/nihil.config/string.cc
@@ -0,0 +1,57 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+module;
+
+#include <format>
+#include <string>
+
+module nihil.config;
+
+import nihil.ucl;
+
+namespace nihil::config {
+
+string::string(
+	std::string &storage,
+	std::string_view name,
+	std::string_view description) noexcept
+	: option(name, description)
+	, _storage(storage)
+{
+	store::get().register_option(this);
+}
+
+string::~string()
+{
+	store::get().unregister_option(this);
+}
+
+auto string::get_string() const -> std::string
+{
+	return _storage;
+}
+
+auto string::set_string(std::string_view new_value) -> void
+{
+	_storage = new_value;
+}
+
+auto string::to_ucl() const -> ucl::object
+{
+	return ucl::string(_storage);
+}
+
+auto string::from_ucl(ucl::object const &uclobj) -> void
+{
+	try {
+		_storage = object_cast<ucl::string>(uclobj).value();
+		is_default(false);
+	} catch (ucl::type_mismatch const &exc) {
+		throw error(std::format("'{}': expected string, not {}",
+			    name(), str(exc.actual_type())));
+	}
+}
+
+} // namespace nihil::config