diff options
Diffstat (limited to 'line-log.h')
-rw-r--r-- | line-log.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/line-log.h b/line-log.h new file mode 100644 index 0000000000..e2a5ee7c6d --- /dev/null +++ b/line-log.h @@ -0,0 +1,63 @@ +#ifndef LINE_LOG_H +#define LINE_LOG_H + +#include "diffcore.h" + +struct rev_info; +struct commit; + +/* A range [start,end]. Lines are numbered starting at 0, and the + * ranges include start but exclude end. */ +struct range { + long start, end; +}; + +/* A set of ranges. The ranges must always be disjoint and sorted. */ +struct range_set { + unsigned int alloc, nr; + struct range *ranges; +}; + +/* A diff, encoded as the set of pre- and post-image ranges where the + * files differ. A pair of ranges corresponds to a hunk. */ +struct diff_ranges { + struct range_set parent; + struct range_set target; +}; + +extern void range_set_init(struct range_set *, size_t prealloc); +extern void range_set_release(struct range_set *); +/* Range includes start; excludes end */ +extern void range_set_append_unsafe(struct range_set *, long start, long end); +/* New range must begin at or after end of last added range */ +extern void range_set_append(struct range_set *, long start, long end); +/* + * In-place pass of sorting and merging the ranges in the range set, + * to sort and make the ranges disjoint. + */ +extern void sort_and_merge_range_set(struct range_set *); + +/* Linked list of interesting files and their associated ranges. The + * list must be kept sorted by path. + * + * For simplicity, even though this is highly redundant, each + * line_log_data owns its 'path'. + */ +struct line_log_data { + struct line_log_data *next; + char *path; + char status; + struct range_set ranges; + int arg_alloc, arg_nr; + const char **args; + struct diff_filepair *pair; + struct diff_ranges diff; +}; + +extern void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args); + +extern int line_log_filter(struct rev_info *rev); + +extern int line_log_print(struct rev_info *rev, struct commit *commit); + +#endif /* LINE_LOG_H */ |