Improve GetOpt help generation

[libs/core.git] / source / core / getopt.h

diff --git a/source/core/getopt.h b/source/core/getopt.h
index 7e5e25f5a1a9ee9994995cc9c77ca4355db8e8b7..f6c48597c5220f73998f1ced0ccc6faf5411a445 100644 (file)
--- a/source/core/getopt.h
+++ b/source/core/getopt.h
@@ -27,11 +27,13 @@ public:
        class OptBase
        {
        public:
-               OptBase           &set_help(const std::string &h) { help=h; return *this; }
+               OptBase           &set_help(const std::string &);
+               OptBase           &set_help(const std::string &, const std::string &);
                char              get_short() const               { return shrt; }
                const std::string &get_long() const               { return lng; }
                ArgType           get_arg_type() const            { return arg_type; }
                const std::string &get_help() const               { return help; }
+               const std::string &get_metavar() const            { return metavar; }
                unsigned          get_seen_count() const          { return seen_count; }
                virtual void      process()=0;
                virtual void      process(const std::string &)=0;
@@ -42,8 +44,9 @@ public:
                ArgType     arg_type;
                unsigned    seen_count;
                std::string help;
+               std::string metavar;
 
-               OptBase(char s, const std::string &l, ArgType a): shrt(s), lng(l), arg_type(a), seen_count(0) { }
+               OptBase(char, const std::string &, ArgType);
        };
 
 private: