userdiff.h

   1 #ifndef USERDIFF_H
   2 #define USERDIFF_H
   3
   4 #include "notes-cache.h"
   5
   6 struct index_state;
   7 struct repository;
   8
   9 struct userdiff_funcname {
  10         const char *pattern;
  11         int cflags;
  12 };
  13
  14 struct external_diff {
  15         char *cmd;
  16         unsigned trust_exit_code:1;
  17 };
  18
  19 struct userdiff_driver {
  20         const char *name;
  21         struct external_diff external;
  22         const char *algorithm;
  23         int binary;
  24         struct userdiff_funcname funcname;
  25         const char *word_regex;
  26         const char *word_regex_multi_byte;
  27         const char *textconv;
  28         struct notes_cache *textconv_cache;
  29         int textconv_want_cache;
  30 };
  31 enum userdiff_driver_type {
  32         USERDIFF_DRIVER_TYPE_BUILTIN = 1<<0,
  33         USERDIFF_DRIVER_TYPE_CUSTOM = 1<<1,
  34 };
  35 typedef int (*each_userdiff_driver_fn)(struct userdiff_driver *,
  36                                        enum userdiff_driver_type, void *);
  37
  38 int userdiff_config(const char *k, const char *v);
  39 struct userdiff_driver *userdiff_find_by_name(const char *name);
  40 struct userdiff_driver *userdiff_find_by_path(struct index_state *istate,
  41                                               const char *path);
  42
  43 /*
  44  * Initialize any textconv-related fields in the driver and return it, or NULL
  45  * if it does not have textconv enabled at all.
  46  */
  47 struct userdiff_driver *userdiff_get_textconv(struct repository *r,
  48                                               struct userdiff_driver *driver);
  49
  50 /*
  51  * Iterate over all userdiff drivers. The userdiff_driver_type
  52  * argument to each_userdiff_driver_fn indicates their type. Return
  53  * non-zero to exit early from the loop.
  54  */
  55 int for_each_userdiff_driver(each_userdiff_driver_fn, void *);
  56
  57 #endif /* USERDIFF */