New upstream version 2.41-ah~0.git.20200131

1 files changed, 27 insertions, 0 deletions

diff --git a/src/squelch/jsoncons_helpers.hpp b/src/squelch/jsoncons_helpers.hpp
new file mode 100644
index 00000000..1ce6b094
--- /dev/null
+++ b/src/squelch/jsoncons_helpers.hpp
@@ -0,0 +1,27 @@
+#pragma once
+
+#include <boost/optional.hpp>
+#include <jsoncons/json.hpp>
+#include <string>
+
+namespace squelch {
+
+template <class T>
+boost::optional<T> get_optional(jsoncons::json const &json, std::string const &key)
+{
+	if (!json.has_key(key))
+	{
+		return boost::none;
+	}
+
+	auto value = json.at(key);
+
+	if (!value.is<T>())
+	{
+		return boost::none;
+	}
+
+	return value.as<T>();
+}
+
+} // namespace squelch