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m_option.h: separate creating choices array into M_CHOICES macro 

Reduces code duplication, increases reusability.
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wm4 2012-09-24 19:57:59 +02:00
parent 38a8a8d3d2
commit a441cd3eeb
1 changed files with 3 additions and 2 deletions
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5
m_option.h
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@ -500,12 +500,13 @@ static inline void m_option_free(const m_option_t *opt, void *dst)
#define OPT_SETTINGSLIST(optname, varname, flags, objlist) OPT_GENERAL(optname, varname, flags, .type = &m_option_type_obj_settings_list, .priv = objlist)
#define OPT_AUDIOFORMAT(...) OPT_GENERAL(__VA_ARGS__, .type = &m_option_type_afmt)
#define OPT_HELPER_REMOVEPAREN(...) __VA_ARGS__
#define M_CHOICES(choices) .priv = (void *)&(const struct m_opt_choice_alternatives[]){OPT_HELPER_REMOVEPAREN choices, {NULL}}
#define OPT_CHOICE(...) OPT_CHOICE_(__VA_ARGS__, .type = &m_option_type_choice)
#define OPT_CHOICE_(optname, varname, flags, choices, ...) OPT_GENERAL(optname, varname, flags, .priv = (void *)&(const struct m_opt_choice_alternatives[]){OPT_HELPER_REMOVEPAREN choices, {NULL}}, __VA_ARGS__)
#define OPT_CHOICE_(optname, varname, flags, choices, ...) OPT_GENERAL(optname, varname, flags, M_CHOICES(choices), __VA_ARGS__)
// Union of choices and an int range. The choice values can be included in the
// int range, or be completely separate - both works.
#define OPT_CHOICE_OR_INT(...) OPT_CHOICE_OR_INT_(__VA_ARGS__, .type = &m_option_type_choice)
#define OPT_CHOICE_OR_INT_(optname, varname, flags, minval, maxval, choices, ...) OPT_GENERAL(optname, varname, (flags) | CONF_RANGE, .min = minval, .max = maxval, .priv = (void *)&(const struct m_opt_choice_alternatives[]){OPT_HELPER_REMOVEPAREN choices, {NULL}}, __VA_ARGS__)
#define OPT_CHOICE_OR_INT_(optname, varname, flags, minval, maxval, choices, ...) OPT_GENERAL(optname, varname, (flags) | CONF_RANGE, .min = minval, .max = maxval, M_CHOICES(choices), __VA_ARGS__)
#define OPT_TIME(...) OPT_GENERAL(__VA_ARGS__, .type = &m_option_type_time)
#define OPT_TRACKCHOICE(name, var) OPT_CHOICE_OR_INT(name, var, 0, 0, 8190, ({"no", -2}, {"auto", -1}))