line-log.h

   1 #ifndef LINE_LOG_H
   2 #define LINE_LOG_H
   3
   4 #include "diffcore.h"
   5
   6 struct rev_info;
   7 struct commit;
   8
   9 /* A range [start,end].  Lines are numbered starting at 0, and the
  10  * ranges include start but exclude end. */
  11 struct range {
  12         long start, end;
  13 };
  14
  15 /* A set of ranges.  The ranges must always be disjoint and sorted. */
  16 struct range_set {
  17         int alloc, nr;
  18         struct range *ranges;
  19 };
  20
  21 /* A diff, encoded as the set of pre- and post-image ranges where the
  22  * files differ. A pair of ranges corresponds to a hunk. */
  23 struct diff_ranges {
  24         struct range_set parent;
  25         struct range_set target;
  26 };
  27
  28 /* Linked list of interesting files and their associated ranges.  The
  29  * list must be kept sorted by path.
  30  *
  31  * For simplicity, even though this is highly redundant, each
  32  * line_log_data owns its 'path'.
  33  */
  34 struct line_log_data {
  35         struct line_log_data *next;
  36         char *path;
  37         char status;
  38         struct range_set ranges;
  39         int arg_alloc, arg_nr;
  40         const char **args;
  41         struct diff_filepair *pair;
  42         struct diff_ranges diff;
  43 };
  44
  45 extern void line_log_data_init(struct line_log_data *r);
  46
  47 extern void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args);
  48
  49 extern int line_log_filter(struct rev_info *rev);
  50
  51 extern int line_log_print(struct rev_info *rev, struct commit *commit);
  52
  53 #endif /* LINE_LOG_H */