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https://github.com/mpv-player/mpv
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m_option: reformat option macro definitions
Slightly more bearable, but it's still incredibly ugly.
This commit is contained in:
wm4
parent
9180263c4d
commit
95b8585d76
133
core/m_option.h
133
core/m_option.h
@ -498,9 +498,17 @@ static inline void m_option_free(const m_option_t *opt, void *dst)
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#define OPTDEF_STR(s) .defval = (void *)&(char * const){s}
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#define OPTDEF_INT(i) .defval = (void *)&(const int){i}
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#define OPT_GENERAL(ctype, optname, varname, flagv, ...) {.name = optname, .flags = flagv, .new = 1, .offset = MP_CHECKED_OFFSETOF(OPT_BASE_STRUCT, varname, ctype), __VA_ARGS__}
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#define OPT_GENERAL(ctype, optname, varname, flagv, ...) \
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{.name = optname, .flags = flagv, .new = 1, \
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.offset = MP_CHECKED_OFFSETOF(OPT_BASE_STRUCT, varname, ctype), \
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__VA_ARGS__}
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#define OPT_GENERAL_NOTYPE(optname, varname, flagv, ...) {.name = optname, .flags = flagv, .new = 1, .offset = offsetof(OPT_BASE_STRUCT, varname), __VA_ARGS__}
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#define OPT_GENERAL_NOTYPE(optname, varname, flagv, ...) \
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{.name = optname, .flags = flagv, .new = 1, \
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.offset = offsetof(OPT_BASE_STRUCT, varname), \
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__VA_ARGS__}
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#define OPT_HELPER_REMOVEPAREN(...) __VA_ARGS__
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/* The OPT_FLAG_CONSTANTS->OPT_FLAG_CONSTANTS_ kind of redirection exists to
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* make the code fully standard-conforming: the C standard requires that
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@ -508,37 +516,97 @@ static inline void m_option_free(const m_option_t *opt, void *dst)
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* 0). Thus the first OPT_FLAG_CONSTANTS is a wrapper which just adds one
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* argument to ensure __VA_ARGS__ is not empty when calling the next macro.
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*/
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#define OPT_FLAG(...) OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_flag, .max = 1)
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#define OPT_FLAG_CONSTANTS(...) OPT_FLAG_CONSTANTS_(__VA_ARGS__, .type = &m_option_type_flag)
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#define OPT_FLAG_CONSTANTS_(optname, varname, flags, offvalue, value, ...) OPT_GENERAL(int, optname, varname, flags, .min = offvalue, .max = value, __VA_ARGS__)
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#define OPT_FLAG_STORE(optname, varname, flags, value) OPT_GENERAL(int, optname, varname, flags, .max = value, .type = &m_option_type_store)
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#define OPT_FLOAT_STORE(optname, varname, flags, value) OPT_GENERAL(float, optname, varname, flags, .max = value, .type = &m_option_type_float_store)
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#define OPT_STRINGLIST(...) OPT_GENERAL(char**, __VA_ARGS__, .type = &m_option_type_string_list)
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#define OPT_PATHLIST(...) OPT_GENERAL(char**, __VA_ARGS__, .type = &m_option_type_string_list, .priv = (void *)&(const char){OPTION_PATH_SEPARATOR})
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#define OPT_INT(...) OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_int)
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#define OPT_INTRANGE(...) OPT_RANGE_(int, __VA_ARGS__, .type = &m_option_type_int)
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#define OPT_RANGE_(ctype, optname, varname, flags, minval, maxval, ...) OPT_GENERAL(ctype, optname, varname, (flags) | CONF_RANGE, .min = minval, .max = maxval, __VA_ARGS__)
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#define OPT_INTPAIR(...) OPT_GENERAL_NOTYPE(__VA_ARGS__, .type = &m_option_type_intpair)
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#define OPT_FLOAT(...) OPT_GENERAL(float, __VA_ARGS__, .type = &m_option_type_float)
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#define OPT_FLOATRANGE(...) OPT_RANGE_(float, __VA_ARGS__, .type = &m_option_type_float)
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#define OPT_STRING(...) OPT_GENERAL(char*, __VA_ARGS__, .type = &m_option_type_string)
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#define OPT_SETTINGSLIST(optname, varname, flags, objlist) OPT_GENERAL(m_obj_settings_t*, optname, varname, flags, .type = &m_option_type_obj_settings_list, .priv = objlist)
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#define OPT_AUDIOFORMAT(...) OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_afmt)
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#define OPT_HELPER_REMOVEPAREN(...) __VA_ARGS__
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#define M_CHOICES(choices) .priv = (void *)&(const struct m_opt_choice_alternatives[]){OPT_HELPER_REMOVEPAREN choices, {NULL}}
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#define OPT_CHOICE(...) OPT_CHOICE_(__VA_ARGS__, .type = &m_option_type_choice)
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#define OPT_CHOICE_(optname, varname, flags, choices, ...) OPT_GENERAL(int, optname, varname, flags, M_CHOICES(choices), __VA_ARGS__)
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#define OPT_FLAG(...) \
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OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_flag, .max = 1)
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#define OPT_FLAG_CONSTANTS_(optname, varname, flags, offvalue, value, ...) \
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OPT_GENERAL(int, optname, varname, flags, \
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.min = offvalue, .max = value, __VA_ARGS__)
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#define OPT_FLAG_CONSTANTS(...) \
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OPT_FLAG_CONSTANTS_(__VA_ARGS__, .type = &m_option_type_flag)
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#define OPT_FLAG_STORE(optname, varname, flags, value) \
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OPT_GENERAL(int, optname, varname, flags, .max = value, \
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.type = &m_option_type_store)
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#define OPT_FLOAT_STORE(optname, varname, flags, value) \
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OPT_GENERAL(float, optname, varname, flags, .max = value, \
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.type = &m_option_type_float_store)
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#define OPT_STRINGLIST(...) \
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OPT_GENERAL(char**, __VA_ARGS__, .type = &m_option_type_string_list)
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#define OPT_PATHLIST(...) \
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OPT_GENERAL(char**, __VA_ARGS__, .type = &m_option_type_string_list, \
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.priv = (void *)&(const char){OPTION_PATH_SEPARATOR})
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#define OPT_INT(...) \
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OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_int)
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#define OPT_RANGE_(ctype, optname, varname, flags, minval, maxval, ...) \
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OPT_GENERAL(ctype, optname, varname, (flags) | CONF_RANGE, \
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.min = minval, .max = maxval, __VA_ARGS__)
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#define OPT_INTRANGE(...) \
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OPT_RANGE_(int, __VA_ARGS__, .type = &m_option_type_int)
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#define OPT_FLOATRANGE(...) \
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OPT_RANGE_(float, __VA_ARGS__, .type = &m_option_type_float)
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#define OPT_INTPAIR(...) \
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OPT_GENERAL_NOTYPE(__VA_ARGS__, .type = &m_option_type_intpair)
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#define OPT_FLOAT(...) \
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OPT_GENERAL(float, __VA_ARGS__, .type = &m_option_type_float)
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#define OPT_STRING(...) \
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OPT_GENERAL(char*, __VA_ARGS__, .type = &m_option_type_string)
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#define OPT_SETTINGSLIST(optname, varname, flags, objlist) \
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OPT_GENERAL(m_obj_settings_t*, optname, varname, flags, \
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.type = &m_option_type_obj_settings_list, \
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.priv = objlist)
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#define OPT_AUDIOFORMAT(...) \
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OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_afmt)
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#define M_CHOICES(choices) \
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.priv = (void *)&(const struct m_opt_choice_alternatives[]){ \
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OPT_HELPER_REMOVEPAREN choices, {NULL}}
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#define OPT_CHOICE(...) \
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OPT_CHOICE_(__VA_ARGS__, .type = &m_option_type_choice)
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#define OPT_CHOICE_(optname, varname, flags, choices, ...) \
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OPT_GENERAL(int, optname, varname, flags, M_CHOICES(choices), __VA_ARGS__)
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// Union of choices and an int range. The choice values can be included in the
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// int range, or be completely separate - both works.
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#define OPT_CHOICE_OR_INT(...) OPT_CHOICE_OR_INT_(__VA_ARGS__, .type = &m_option_type_choice)
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#define OPT_CHOICE_OR_INT_(optname, varname, flags, minval, maxval, choices, ...) OPT_GENERAL(int, optname, varname, (flags) | CONF_RANGE, .min = minval, .max = maxval, M_CHOICES(choices), __VA_ARGS__)
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#define OPT_TIME(...) OPT_GENERAL(double, __VA_ARGS__, .type = &m_option_type_time)
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#define OPT_REL_TIME(...) OPT_GENERAL(struct m_rel_time, __VA_ARGS__, .type = &m_option_type_rel_time)
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#define OPT_COLOR(...) OPT_GENERAL(struct m_color, __VA_ARGS__, .type = &m_option_type_color)
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#define OPT_GEOMETRY(...) OPT_GENERAL(struct m_geometry, __VA_ARGS__, .type = &m_option_type_geometry)
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#define OPT_SIZE_BOX(...) OPT_GENERAL(struct m_geometry, __VA_ARGS__, .type = &m_option_type_size_box)
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#define OPT_CHOICE_OR_INT_(optname, varname, flags, minval, maxval, choices, ...) \
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OPT_GENERAL(int, optname, varname, (flags) | CONF_RANGE, \
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.min = minval, .max = maxval, \
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M_CHOICES(choices), __VA_ARGS__)
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#define OPT_CHOICE_OR_INT(...) \
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OPT_CHOICE_OR_INT_(__VA_ARGS__, .type = &m_option_type_choice)
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#define OPT_TRACKCHOICE(name, var) OPT_CHOICE_OR_INT(name, var, 0, 0, 8190, ({"no", -2}, {"auto", -1}))
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#define OPT_TIME(...) \
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OPT_GENERAL(double, __VA_ARGS__, .type = &m_option_type_time)
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#define OPT_REL_TIME(...) \
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OPT_GENERAL(struct m_rel_time, __VA_ARGS__, .type = &m_option_type_rel_time)
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#define OPT_COLOR(...) \
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OPT_GENERAL(struct m_color, __VA_ARGS__, .type = &m_option_type_color)
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#define OPT_GEOMETRY(...) \
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OPT_GENERAL(struct m_geometry, __VA_ARGS__, .type = &m_option_type_geometry)
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#define OPT_SIZE_BOX(...) \
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OPT_GENERAL(struct m_geometry, __VA_ARGS__, .type = &m_option_type_size_box)
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#define OPT_TRACKCHOICE(name, var) \
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OPT_CHOICE_OR_INT(name, var, 0, 0, 8190, ({"no", -2}, {"auto", -1}))
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// subconf must have the type struct m_sub_options.
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// All sub-options are prefixed with "name-" and are added to the current
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@ -546,7 +614,10 @@ static inline void m_option_free(const m_option_t *opt, void *dst)
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// If name is "", add the sub-options directly instead.
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// varname refers to the field, that must be a pointer to a field described by
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// the subconf struct.
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#define OPT_SUBSTRUCT(name, varname, subconf, flagv) OPT_GENERAL_NOTYPE(name, varname, flagv, .type = &m_option_type_subconfig_struct, .priv = (void*)&subconf)
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#define OPT_SUBSTRUCT(name, varname, subconf, flagv) \
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OPT_GENERAL_NOTYPE(name, varname, flagv, \
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.type = &m_option_type_subconfig_struct, \
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.priv = (void*)&subconf)
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#define OPT_BASE_STRUCT struct MPOpts
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