1 files changed, 4 insertions, 12 deletions
diff --git a/native/dicttoolkit/src/utils/command_utils.h b/native/dicttoolkit/src/utils/command_utils.h
index 7df0dd970..4a181f194 100644
--- a/native/dicttoolkit/src/utils/command_utils.h
+++ b/native/dicttoolkit/src/utils/command_utils.h
@@ -17,7 +17,8 @@
 #ifndef LATINIME_DICT_TOOLKIT_COMMAND_UTILS_H
 #define LATINIME_DICT_TOOLKIT_COMMAND_UTILS_H
 
-#include <cstdio>
+#include <functional>
+#include <memory>
 #include <string>
 
 #include "dict_toolkit_defines.h"
@@ -37,21 +38,12 @@ enum class CommandType : int {
 class CommandUtils {
 public:
     static CommandType getCommandType(const std::string &commandName);
-
     static void printCommandUnknownMessage(const std::string &programName,
-            const std::string &commandName) {
-        fprintf(stderr, "Command '%s' is unknown. Try '%s %s' for more information.\n",
-                commandName.c_str(), programName.c_str(), COMMAND_NAME_HELP);
-    }
+            const std::string &commandName);
+    static std::function<int(int, char **)> getCommandExecutor(const CommandType commandType);
 
 private:
     DISALLOW_IMPLICIT_CONSTRUCTORS(CommandUtils);
-
-    static const char *const COMMAND_NAME_INFO;
-    static const char *const COMMAND_NAME_DIFF;
-    static const char *const COMMAND_NAME_MAKEDICT;
-    static const char *const COMMAND_NAME_HEADER;
-    static const char *const COMMAND_NAME_HELP;
 };
 } // namespace dicttoolkit
 } // namespace latinime