Andrew's git - gitweb.git/blob

   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
  28extern void range_set_init(struct range_set *, size_t prealloc);
  29extern void range_set_release(struct range_set *);
  30/* Range includes start; excludes end */
  31extern void range_set_append_unsafe(struct range_set *, long start, long end);
  32/* New range must begin at or after end of last added range */
  33extern void range_set_append(struct range_set *, long start, long end);
  34/*
  35 * In-place pass of sorting and merging the ranges in the range set,
  36 * to sort and make the ranges disjoint.
  37 */
  38extern void sort_and_merge_range_set(struct range_set *);
  39
  40/* Linked list of interesting files and their associated ranges.  The
  41 * list must be kept sorted by path.
  42 *
  43 * For simplicity, even though this is highly redundant, each
  44 * line_log_data owns its 'path'.
  45 */
  46struct line_log_data {
  47        struct line_log_data *next;
  48        char *path;
  49        char status;
  50        struct range_set ranges;
  51        int arg_alloc, arg_nr;
  52        const char **args;
  53        struct diff_filepair *pair;
  54        struct diff_ranges diff;
  55};
  56
  57extern void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args);
  58
  59extern int line_log_filter(struct rev_info *rev);
  60
  61extern int line_log_print(struct rev_info *rev, struct commit *commit);
  62
  63#endif /* LINE_LOG_H */