utils: code style

1 files changed, 60 insertions, 57 deletions

diff --git a/utils/file_cmd_parser.hpp b/utils/file_cmd_parser.hpp
index e199409..6d7a962 100644
--- a/utils/file_cmd_parser.hpp
+++ b/utils/file_cmd_parser.hpp
@@ -17,67 +17,70 @@
 #include <string>
 #include <utility>
 
-class FileSettings : public command_line::SettingsParser
+namespace
 {
-public:
-    aes::Algorithm algorithm = AES_AES128;
-    aes::Mode mode = AES_ECB;
-
-    std::string input_path;
-    std::string output_path;
-    std::string key;
-    std::string iv;
-
-    explicit FileSettings(const std::string& argv0)
-        : SettingsParser{argv0}
+    class FileSettings : public command_line::SettingsParser
     {
-        visible.add_options()
-            ("algorithm,a",
-                boost::program_options::value<aes::Algorithm>(&algorithm)
-                    ->required()
-                    ->value_name("NAME"),
-                "set algorithm")
-            ("mode,m",
-                boost::program_options::value<aes::Mode>(&mode)
-                    ->required()
-                    ->value_name("MODE"),
-                "set mode of operation")
-            ("key,k",
-                boost::program_options::value<std::string>(&key)
-                    ->required()
-                    ->value_name("KEY"),
-                "set encryption key")
-            ("iv,v",
-                boost::program_options::value<std::string>(&iv)
-                    ->value_name("BLOCK"),
-                "set initialization vector")
-            ("input,i",
-                boost::program_options::value<std::string>(&input_path)
-                    ->required()
-                    ->value_name("PATH"),
-                "set input file path")
-            ("output,o",
-                boost::program_options::value<std::string>(&output_path)
-                    ->required()
-                    ->value_name("PATH"),
-                "set output file path");
-    }
+    public:
+        aes::Algorithm algorithm = AES_AES128;
+        aes::Mode mode = AES_ECB;
 
-    const char* get_short_description() const override
-    {
-        return "[-h|--help] [-a|--algorithm NAME] [-m|--mode MODE]"
-               " [-k|--key KEY] [-v|--iv BLOCK]"
-               " [-i|--input PATH] [-o|--output PATH]";
-    }
+        std::string input_path;
+        std::string output_path;
+        std::string key;
+        std::string iv;
 
-    void parse(int argc, char** argv) override
-    {
-        SettingsParser::parse(argc, argv);
+        explicit FileSettings(const std::string& argv0)
+            : SettingsParser{argv0}
+        {
+            visible.add_options()
+                ("algorithm,a",
+                    boost::program_options::value<aes::Algorithm>(&algorithm)
+                        ->required()
+                        ->value_name("NAME"),
+                    "set algorithm")
+                ("mode,m",
+                    boost::program_options::value<aes::Mode>(&mode)
+                        ->required()
+                        ->value_name("MODE"),
+                    "set mode of operation")
+                ("key,k",
+                    boost::program_options::value<std::string>(&key)
+                        ->required()
+                        ->value_name("KEY"),
+                    "set encryption key")
+                ("iv,v",
+                    boost::program_options::value<std::string>(&iv)
+                        ->value_name("BLOCK"),
+                    "set initialization vector")
+                ("input,i",
+                    boost::program_options::value<std::string>(&input_path)
+                        ->required()
+                        ->value_name("PATH"),
+                    "set input file path")
+                ("output,o",
+                    boost::program_options::value<std::string>(&output_path)
+                        ->required()
+                        ->value_name("PATH"),
+                    "set output file path");
+        }
 
-        if (aes::mode_requires_init_vector(mode) && iv.empty())
+        const char* get_short_description() const override
         {
-            throw boost::program_options::error{
-                "an initialization vector is required for the selected mode of operation"};
+            return "[-h|--help] [-a|--algorithm NAME] [-m|--mode MODE]"
+                   " [-k|--key KEY] [-v|--iv BLOCK]"
+                   " [-i|--input PATH] [-o|--output PATH]";
+        }
+
+        void parse(int argc, char** argv) override
+        {
+            SettingsParser::parse(argc, argv);
+
+            if (aes::mode_requires_init_vector(mode) && iv.empty())
+            {
+                throw boost::program_options::error{
+                    "an initialization vector is required for the selected mode of operation"};
+            }
         }
-    }
-};
+    };
+}