help.h

   1 #ifndef HELP_H
   2 #define HELP_H
   3
   4 #include "string-list.h"
   5 #include "strbuf.h"
   6
   7 struct cmdnames {
   8         int alloc;
   9         int cnt;
  10         struct cmdname {
  11                 size_t len; /* also used for similarity index in help.c */
  12                 char name[FLEX_ARRAY];
  13         } **names;
  14 };
  15
  16 static inline void mput_char(char c, unsigned int num)
  17 {
  18         while (num--)
  19                 putchar(c);
  20 }
  21
  22 void list_common_cmds_help(void);
  23 void list_all_cmds_help(int show_external_commands, int show_aliases);
  24 void list_guides_help(void);
  25
  26 void list_all_main_cmds(struct string_list *list);
  27 void list_all_other_cmds(struct string_list *list);
  28 void list_cmds_by_category(struct string_list *list,
  29                            const char *category);
  30 void list_cmds_by_config(struct string_list *list);
  31 const char *help_unknown_cmd(const char *cmd);
  32 void load_command_list(const char *prefix,
  33                        struct cmdnames *main_cmds,
  34                        struct cmdnames *other_cmds);
  35 void load_builtin_commands(const char *prefix, struct cmdnames *cmds);
  36 void add_cmdname(struct cmdnames *cmds, const char *name, int len);
  37 /* Here we require that excludes is a sorted list. */
  38 void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes);
  39 int is_in_cmdlist(struct cmdnames *cmds, const char *name);
  40 void list_commands(struct cmdnames *main_cmds, struct cmdnames *other_cmds);
  41 void get_version_info(struct strbuf *buf, int show_build_options);
  42
  43 /*
  44  * call this to die(), when it is suspected that the user mistyped a
  45  * ref to the command, to give suggested "correct" refs.
  46  */
  47 NORETURN void help_unknown_ref(const char *ref, const char *cmd, const char *error);
  48
  49 static inline void list_config_item(struct string_list *list,
  50                                     const char *prefix,
  51                                     const char *str)
  52 {
  53         string_list_append_nodup(list, xstrfmt("%s.%s", prefix, str));
  54 }
  55
  56 #define define_list_config_array(array)                                 \
  57 void list_config_##array(struct string_list *list, const char *prefix)  \
  58 {                                                                       \
  59         int i;                                                          \
  60         for (i = 0; i < ARRAY_SIZE(array); i++)                         \
  61                 if (array[i])                                           \
  62                         list_config_item(list, prefix, array[i]);       \
  63 }                                                                       \
  64 struct string_list
  65
  66 #define define_list_config_array_extra(array, values)                   \
  67 void list_config_##array(struct string_list *list, const char *prefix)  \
  68 {                                                                       \
  69         int i;                                                          \
  70         static const char *extra[] = values;                            \
  71         for (i = 0; i < ARRAY_SIZE(extra); i++)                         \
  72                 list_config_item(list, prefix, extra[i]);               \
  73         for (i = 0; i < ARRAY_SIZE(array); i++)                         \
  74                 if (array[i])                                           \
  75                         list_config_item(list, prefix, array[i]);       \
  76 }                                                                       \
  77 struct string_list
  78
  79 /* These are actually scattered over many C files */
  80 void list_config_advices(struct string_list *list, const char *prefix);
  81 void list_config_color_branch_slots(struct string_list *list, const char *prefix);
  82 void list_config_color_decorate_slots(struct string_list *list, const char *prefix);
  83 void list_config_color_diff_slots(struct string_list *list, const char *prefix);
  84 void list_config_color_grep_slots(struct string_list *list, const char *prefix);
  85 void list_config_color_interactive_slots(struct string_list *list, const char *prefix);
  86 void list_config_color_status_slots(struct string_list *list, const char *prefix);
  87 void list_config_color_sideband_slots(struct string_list *list, const char *prefix);
  88 void list_config_fsck_msg_ids(struct string_list *list, const char *prefix);
  89
  90 #endif /* HELP_H */