1 files changed, 84 insertions, 0 deletions
diff --git a/src/zenutil/environmentoptions.cpp b/src/zenutil/environmentoptions.cpp
new file mode 100644
index 000000000..1b7ce8029
--- /dev/null
+++ b/src/zenutil/environmentoptions.cpp
@@ -0,0 +1,84 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include <zenutil/environmentoptions.h>
+
+#include <zencore/filesystem.h>
+
+namespace zen {
+
+EnvironmentOptions::StringOption::StringOption(std::string& Value) : RefValue(Value)
+{
+}
+void
+EnvironmentOptions::StringOption::Parse(std::string_view Value)
+{
+	RefValue = std::string(Value);
+}
+
+EnvironmentOptions::FilePathOption::FilePathOption(std::filesystem::path& Value) : RefValue(Value)
+{
+}
+void
+EnvironmentOptions::FilePathOption::Parse(std::string_view Value)
+{
+	RefValue = MakeSafeAbsolutePath(Value);
+}
+
+EnvironmentOptions::BoolOption::BoolOption(bool& Value) : RefValue(Value)
+{
+}
+void
+EnvironmentOptions::BoolOption::Parse(std::string_view Value)
+{
+	const std::string Lower = ToLower(Value);
+	if (Lower == "true" || Lower == "y" || Lower == "yes")
+	{
+		RefValue = true;
+	}
+	else if (Lower == "false" || Lower == "n" || Lower == "no")
+	{
+		RefValue = false;
+	}
+}
+
+std::shared_ptr<EnvironmentOptions::OptionValue>
+EnvironmentOptions::MakeOption(std::string& Value)
+{
+	return std::make_shared<StringOption>(Value);
+}
+
+std::shared_ptr<EnvironmentOptions::OptionValue>
+EnvironmentOptions::MakeOption(std::filesystem::path& Value)
+{
+	return std::make_shared<FilePathOption>(Value);
+}
+
+std::shared_ptr<EnvironmentOptions::OptionValue>
+EnvironmentOptions::MakeOption(bool& Value)
+{
+	return std::make_shared<BoolOption>(Value);
+}
+
+EnvironmentOptions::EnvironmentOptions()
+{
+}
+
+void
+EnvironmentOptions::Parse(const cxxopts::ParseResult& CmdLineResult)
+{
+	for (auto& It : OptionMap)
+	{
+		std::string_view EnvName = It.first;
+		const Option&	 Opt	 = It.second;
+		if (CmdLineResult.count(Opt.CommandLineOptionName) == 0)
+		{
+			std::string EnvValue = GetEnvVariable(It.first);
+			if (!EnvValue.empty())
+			{
+				Opt.Value->Parse(EnvValue);
+			}
+		}
+	}
+}
+
+}  // namespace zen