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 unsigned 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 */