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 extern void list_common_cmds_help(void);
  23 extern void list_all_cmds_help(void);
  24 extern void list_common_guides_help(void);
  25 extern void list_config_help(int for_human);
  26
  27 extern void list_all_main_cmds(struct string_list *list);
  28 extern void list_all_other_cmds(struct string_list *list);
  29 extern void list_cmds_by_category(struct string_list *list,
  30                                   const char *category);
  31 extern void list_cmds_by_config(struct string_list *list);
  32 extern const char *help_unknown_cmd(const char *cmd);
  33 extern void load_command_list(const char *prefix,
  34                               struct cmdnames *main_cmds,
  35                               struct cmdnames *other_cmds);
  36 extern void add_cmdname(struct cmdnames *cmds, const char *name, int len);
  37 /* Here we require that excludes is a sorted list. */
  38 extern void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes);
  39 extern int is_in_cmdlist(struct cmdnames *cmds, const char *name);
  40 extern void list_commands(unsigned int colopts, struct cmdnames *main_cmds, struct cmdnames *other_cmds);
  41
  42 /*
  43  * call this to die(), when it is suspected that the user mistyped a
  44  * ref to the command, to give suggested "correct" refs.
  45  */
  46 extern void help_unknown_ref(const char *ref, const char *cmd, const char *error);
  47
  48 static inline void list_config_item(struct string_list *list,
  49                                     const char *prefix,
  50                                     const char *str)
  51 {
  52         string_list_append_nodup(list, xstrfmt("%s.%s", prefix, str));
  53 }
  54
  55 #define define_list_config_array(array)                                 \
  56 void list_config_##array(struct string_list *list, const char *prefix)  \
  57 {                                                                       \
  58         int i;                                                          \
  59         for (i = 0; i < ARRAY_SIZE(array); i++)                         \
  60                 if (array[i])                                           \
  61                         list_config_item(list, prefix, array[i]);       \
  62 }                                                                       \
  63 struct string_list
  64
  65 #define define_list_config_array_extra(array, values)                   \
  66 void list_config_##array(struct string_list *list, const char *prefix)  \
  67 {                                                                       \
  68         int i;                                                          \
  69         static const char *extra[] = values;                            \
  70         for (i = 0; i < ARRAY_SIZE(extra); i++)                         \
  71                 list_config_item(list, prefix, extra[i]);               \
  72         for (i = 0; i < ARRAY_SIZE(array); i++)                         \
  73                 if (array[i])                                           \
  74                         list_config_item(list, prefix, array[i]);       \
  75 }                                                                       \
  76 struct string_list
  77
  78 /* These are actually scattered over many C files */
  79 void list_config_advices(struct string_list *list, const char *prefix);
  80 void list_config_color_branch_slots(struct string_list *list, const char *prefix);
  81 void list_config_color_decorate_slots(struct string_list *list, const char *prefix);
  82 void list_config_color_diff_slots(struct string_list *list, const char *prefix);
  83 void list_config_color_grep_slots(struct string_list *list, const char *prefix);
  84 void list_config_color_interactive_slots(struct string_list *list, const char *prefix);
  85 void list_config_color_status_slots(struct string_list *list, const char *prefix);
  86 void list_config_fsck_msg_ids(struct string_list *list, const char *prefix);
  87
  88 #endif /* HELP_H */