Added `hasSwitch()` and `getValue()` methods to `app_parameters`

src/common/app_parameters.cpp

@@ -89,6 +89,9 @@ app_parameters::app_parameters(int in_argc, const char** in_argv) {
 
 	// Flush any pending switch/value
 	flush_value();
+
+	// Populate m_switches_set from m_switches
+	m_switches_set = std::unordered_set<std::string_view>{ m_switches.begin(), m_switches.end() };
 }
 
 std::string_view app_parameters::path() const {
@@ -103,8 +106,8 @@ const std::vector<std::string_view>& app_parameters::switches() const {
 	return m_switches;
 }
 
-std::unordered_set<std::string_view> app_parameters::switches_set() const {
-	return { m_switches.begin(), m_switches.end() };
+const std::unordered_set<std::string_view>& app_parameters::switches_set() const {
+	return m_switches_set;
 }
 
 const std::unordered_map<std::string_view, std::string>& app_parameters::values() const {
@@ -133,4 +136,19 @@ object app_parameters::as_object() const {
 	};
 }
 
+bool app_parameters::hasSwitch(std::string_view in_switch) const {
+	return m_switches_set.find(in_switch) != m_switches_set.end();
+}
+
+std::string_view app_parameters::getValue(std::string_view in_key) const {
+	auto result = m_values.find(in_key);
+
+	// Safety check
+	if (result == m_values.end()) {
+		return {};
+	}
+
+	return result->second;
+}
+
 } // namespace jessilib

src/include/app_parameters.hpp

@@ -28,16 +28,20 @@ public:
 	std::string_view path() const;
 	const std::vector<std::string_view>& arguments() const;
 	const std::vector<std::string_view>& switches() const;
-	std::unordered_set<std::string_view> switches_set() const;
+	const std::unordered_set<std::string_view>& switches_set() const;
 	const std::unordered_map<std::string_view, std::string>& values() const;
 	jessilib::object as_object() const;
 
+	bool hasSwitch(std::string_view in_switch) const;
+	std::string_view getValue(std::string_view in_key) const;
+
 	operator jessilib::object() const { return as_object(); }
 
 private:
 	std::string_view m_path;
 	std::vector<std::string_view> m_args;
 	std::vector<std::string_view> m_switches;
+	std::unordered_set<std::string_view> m_switches_set;
 	std::unordered_map<std::string_view, std::string> m_values;
 };
 

src/test/app_parameters.cpp

@@ -274,4 +274,8 @@ TEST(AppParametersTest, switch_and_value) {
 	EXPECT_EQ(obj["Args"], expected_args);
 	EXPECT_EQ(obj["Switches"], expected_switches);
 	EXPECT_EQ(obj["Values"], expected_values);
+
+	EXPECT_TRUE(parameters.hasSwitch("switch"));
+	EXPECT_FALSE(parameters.hasSwitch("switch2"));
+	EXPECT_EQ(parameters.getValue("key"), "value");
 }