1 files changed, 57 insertions, 60 deletions
diff --git a/utils/command_line.hpp b/utils/command_line.hpp
index 8a5cf93..352c210 100644
--- a/utils/command_line.hpp
+++ b/utils/command_line.hpp
@@ -15,75 +15,72 @@
 #include <ostream>
 #include <string>
 
-namespace
+class SettingsParser
 {
-    class SettingsParser
+public:
+    explicit SettingsParser(const std::string& argv0)
+        : prog_name{extract_filename(argv0)}
     {
-    public:
-        explicit SettingsParser(const std::string& argv0)
-            : prog_name{extract_filename(argv0)}
-        {
-            visible.add_options()
-                ("help,h",
-                    "show this message and exit");
-        }
+        visible.add_options()
+            ("help,h",
+                "show this message and exit");
+    }
 
-        virtual ~SettingsParser() = default;
+    virtual ~SettingsParser() = default;
 
-        virtual const char* get_short_description() const
-        {
-            return "[--option VALUE]...";
-        }
+    virtual const char* get_short_description() const
+    {
+        return "[--option VALUE]...";
+    }
 
-        virtual void parse(int argc, char* argv[])
-        {
-            boost::program_options::options_description all;
-            all.add(hidden).add(visible);
-            boost::program_options::variables_map vm;
-            boost::program_options::store(
-                boost::program_options::command_line_parser{argc, argv}
-                    .options(all)
-                    .positional(positional)
-                    .run(),
-                vm);
-            if (vm.count("help"))
-                exit_with_usage = true;
-            else
-                boost::program_options::notify(vm);
-        }
+    virtual void parse(int argc, char* argv[])
+    {
+        boost::program_options::options_description all;
+        all.add(hidden).add(visible);
+        boost::program_options::variables_map vm;
+        boost::program_options::store(
+            boost::program_options::command_line_parser{argc, argv}
+                .options(all)
+                .positional(positional)
+                .run(),
+            vm);
+        if (vm.count("help"))
+            exit_with_usage = true;
+        else
+            boost::program_options::notify(vm);
+    }
 
-        bool exit_with_usage = false;
+    bool exit_with_usage = false;
 
-        void usage() const
-        {
-            std::cout << *this;
-        }
+    void usage() const
+    {
+        std::cout << *this;
+    }
 
-        void usage_error(const std::exception& e) const
-        {
-            std::cerr << "usage error: " << e.what() << '\n';
-            std::cerr << *this;
-        }
+    void usage_error(const std::exception& e) const
+    {
+        std::cerr << "usage error: " << e.what() << '\n';
+        std::cerr << *this;
+    }
 
-    protected:
-        boost::program_options::options_description hidden;
-        boost::program_options::options_description visible;
-        boost::program_options::positional_options_description positional;
+protected:
+    boost::program_options::options_description hidden;
+    boost::program_options::options_description visible;
+    boost::program_options::positional_options_description positional;
 
-    private:
-        static std::string extract_filename(const std::string& path)
-        {
-            return boost::filesystem::path{path}.filename().string();
-        }
+private:
+    static std::string extract_filename(const std::string& path)
+    {
+        return boost::filesystem::path{path}.filename().string();
+    }
 
-        const std::string prog_name;
+    const std::string prog_name;
 
-        friend std::ostream& operator<<(std::ostream& os, const SettingsParser& parser)
-        {
-            const auto short_descr = parser.get_short_description();
-            os << "usage: " << parser.prog_name << ' ' << short_descr << '\n';
-            os << parser.visible;
-            return os;
-        }
-    };
-}
+    friend std::ostream& operator<<(std::ostream& os, const SettingsParser& parser)
+    {
+        const auto short_descr = parser.get_short_description();
+        os << "usage: " << parser.prog_name << ' ' << short_descr << '\n';
+        os << parser.visible;
+        return os;
+    }
+};