line-log.hon commit t8001/t8002: blame: demonstrate acceptance of bogus -LX,+0 and -LX,-0 (dedb912)
   1#ifndef LINE_LOG_H
   2#define LINE_LOG_H
   3
   4#include "diffcore.h"
   5
   6struct rev_info;
   7struct commit;
   8
   9/* A range [start,end].  Lines are numbered starting at 0, and the
  10 * ranges include start but exclude end. */
  11struct range {
  12        long start, end;
  13};
  14
  15/* A set of ranges.  The ranges must always be disjoint and sorted. */
  16struct 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. */
  23struct 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 */
  34struct 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
  45extern void line_log_data_init(struct line_log_data *r);
  46
  47extern void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args);
  48
  49extern int line_log_filter(struct rev_info *rev);
  50
  51extern int line_log_print(struct rev_info *rev, struct commit *commit);
  52
  53#endif /* LINE_LOG_H */