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         char *pattern_owned;
  12         int cflags;
  13 };
  14
  15 struct external_diff {
  16         char *cmd;
  17         unsigned trust_exit_code:1;
  18 };
  19
  20 struct userdiff_driver {
  21         const char *name;
  22         struct external_diff external;
  23         const char *algorithm;
  24         char *algorithm_owned;
  25         int binary;
  26         struct userdiff_funcname funcname;
  27         const char *word_regex;
  28         char *word_regex_owned;
  29         const char *word_regex_multi_byte;
  30         const char *textconv;
  31         char *textconv_owned;
  32         struct notes_cache *textconv_cache;
  33         int textconv_want_cache;
  34 };
  35 enum userdiff_driver_type {
  36         USERDIFF_DRIVER_TYPE_BUILTIN = 1<<0,
  37         USERDIFF_DRIVER_TYPE_CUSTOM = 1<<1,
  38 };
  39 typedef int (*each_userdiff_driver_fn)(struct userdiff_driver *,
  40                                        enum userdiff_driver_type, void *);
  41
  42 int userdiff_config(const char *k, const char *v);
  43 struct userdiff_driver *userdiff_find_by_name(const char *name);
  44 struct userdiff_driver *userdiff_find_by_path(struct index_state *istate,
  45                                               const char *path);
  46
  47 /*
  48  * Initialize any textconv-related fields in the driver and return it, or NULL
  49  * if it does not have textconv enabled at all.
  50  */
  51 struct userdiff_driver *userdiff_get_textconv(struct repository *r,
  52                                               struct userdiff_driver *driver);
  53
  54 /*
  55  * Iterate over all userdiff drivers. The userdiff_driver_type
  56  * argument to each_userdiff_driver_fn indicates their type. Return
  57  * non-zero to exit early from the loop.
  58  */
  59 int for_each_userdiff_driver(each_userdiff_driver_fn, void *);
  60
  61 #endif /* USERDIFF */