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 userdiff_driver {
  15         const char *name;
  16         const char *external;
  17         const char *algorithm;
  18         int binary;
  19         struct userdiff_funcname funcname;
  20         const char *word_regex;
  21         const char *textconv;
  22         struct notes_cache *textconv_cache;
  23         int textconv_want_cache;
  24 };
  25 enum userdiff_driver_type {
  26         USERDIFF_DRIVER_TYPE_BUILTIN = 1<<0,
  27         USERDIFF_DRIVER_TYPE_CUSTOM = 1<<1,
  28 };
  29 typedef int (*each_userdiff_driver_fn)(struct userdiff_driver *,
  30                                        enum userdiff_driver_type, void *);
  31
  32 int userdiff_config(const char *k, const char *v);
  33 struct userdiff_driver *userdiff_find_by_name(const char *name);
  34 struct userdiff_driver *userdiff_find_by_path(struct index_state *istate,
  35                                               const char *path);
  36
  37 /*
  38  * Initialize any textconv-related fields in the driver and return it, or NULL
  39  * if it does not have textconv enabled at all.
  40  */
  41 struct userdiff_driver *userdiff_get_textconv(struct repository *r,
  42                                               struct userdiff_driver *driver);
  43
  44 /*
  45  * Iterate over all userdiff drivers. The userdiff_driver_type
  46  * argument to each_userdiff_driver_fn indicates their type. Return
  47  * non-zero to exit early from the loop.
  48  */
  49 int for_each_userdiff_driver(each_userdiff_driver_fn, void *);
  50
  51 #endif /* USERDIFF */