diff options
Diffstat (limited to 'diffcore.h')
| -rw-r--r-- | diffcore.h | 63 |
1 files changed, 46 insertions, 17 deletions
diff --git a/diffcore.h b/diffcore.h index f1b5ca748c..1c16c8595b 100644 --- a/diffcore.h +++ b/diffcore.h @@ -1,8 +1,8 @@ /* * Copyright (C) 2005 Junio C Hamano */ -#ifndef _DIFFCORE_H_ -#define _DIFFCORE_H_ +#ifndef DIFFCORE_H +#define DIFFCORE_H /* This header file is internal between diff.c and its diff transformers * (e.g. diffcore-rename, diffcore-pickaxe). Never include this header @@ -15,19 +15,25 @@ * passed around in one int (high 16-bit for merge and low 16-bit * for break). */ -#define MAX_SCORE 60000 +#define MAX_SCORE 60000.0 #define DEFAULT_RENAME_SCORE 30000 /* rename/copy similarity minimum (50%) */ -#define DEFAULT_BREAK_SCORE 30000 /* minimum for break to happen (50%)*/ -#define DEFAULT_MERGE_SCORE 48000 /* maximum for break-merge to happen (80%)*/ +#define DEFAULT_BREAK_SCORE 30000 /* minimum for break to happen (50%) */ +#define DEFAULT_MERGE_SCORE 36000 /* maximum for break-merge to happen (60%) */ #define MINIMUM_BREAK_SIZE 400 /* do not break a file smaller than this */ +struct userdiff_driver; + struct diff_filespec { unsigned char sha1[20]; char *path; void *data; + void *cnt_data; + const char *funcname_pattern_ident; unsigned long size; + int count; /* Reference count */ int xfrm_flags; /* for use by the xfrm */ + int rename_used; /* Count of rename users */ unsigned short mode; /* file mode */ unsigned sha1_valid : 1; /* if true, use sha1 and trust mode; * if false, use the name and read from @@ -36,27 +42,38 @@ struct diff_filespec { #define DIFF_FILE_VALID(spec) (((spec)->mode) != 0) unsigned should_free : 1; /* data should be free()'ed */ unsigned should_munmap : 1; /* data should be munmap()'ed */ + unsigned dirty_submodule : 2; /* For submodules: its work tree is dirty */ + unsigned is_stdin : 1; +#define DIRTY_SUBMODULE_UNTRACKED 1 +#define DIRTY_SUBMODULE_MODIFIED 2 + unsigned has_more_entries : 1; /* only appear in combined diff */ + struct userdiff_driver *driver; + /* data should be considered "binary"; -1 means "don't know yet" */ + int is_binary; }; extern struct diff_filespec *alloc_filespec(const char *); +extern void free_filespec(struct diff_filespec *); extern void fill_filespec(struct diff_filespec *, const unsigned char *, - unsigned short); + int, unsigned short); extern int diff_populate_filespec(struct diff_filespec *, int); extern void diff_free_filespec_data(struct diff_filespec *); +extern void diff_free_filespec_blob(struct diff_filespec *); +extern int diff_filespec_is_binary(struct diff_filespec *); struct diff_filepair { struct diff_filespec *one; struct diff_filespec *two; unsigned short int score; - char status; /* M C R N D U (see Documentation/diff-format.txt) */ - unsigned source_stays : 1; /* all of R/C are copies */ + char status; /* M C R A D U etc. (see Documentation/diff-format.txt or DIFF_STATUS_* in diff.h) */ unsigned broken_pair : 1; + unsigned renamed_pair : 1; + unsigned is_unmerged : 1; }; -#define DIFF_PAIR_UNMERGED(p) \ - (!DIFF_FILE_VALID((p)->one) && !DIFF_FILE_VALID((p)->two)) +#define DIFF_PAIR_UNMERGED(p) ((p)->is_unmerged) -#define DIFF_PAIR_RENAME(p) (strcmp((p)->one->path, (p)->two->path)) +#define DIFF_PAIR_RENAME(p) ((p)->renamed_pair) #define DIFF_PAIR_BROKEN(p) \ ( (!DIFF_FILE_VALID((p)->one) != !DIFF_FILE_VALID((p)->two)) && \ @@ -76,6 +93,11 @@ struct diff_queue_struct { int alloc; int nr; }; +#define DIFF_QUEUE_CLEAR(q) \ + do { \ + (q)->queue = NULL; \ + (q)->nr = (q)->alloc = 0; \ + } while (0) extern struct diff_queue_struct diff_queued_diff; extern struct diff_filepair *diff_queue(struct diff_queue_struct *, @@ -83,11 +105,10 @@ extern struct diff_filepair *diff_queue(struct diff_queue_struct *, struct diff_filespec *); extern void diff_q(struct diff_queue_struct *, struct diff_filepair *); -extern void diffcore_pathspec(const char **pathspec); extern void diffcore_break(int); -extern void diffcore_rename(int rename_copy, int); +extern void diffcore_rename(struct diff_options *); extern void diffcore_merge_broken(void); -extern void diffcore_pickaxe(const char *needle, int opts); +extern void diffcore_pickaxe(struct diff_options *); extern void diffcore_order(const char *orderfile); #define DIFF_DEBUG 0 @@ -96,9 +117,17 @@ void diff_debug_filespec(struct diff_filespec *, int, const char *); void diff_debug_filepair(const struct diff_filepair *, int); void diff_debug_queue(const char *, struct diff_queue_struct *); #else -#define diff_debug_filespec(a,b,c) do {} while(0) -#define diff_debug_filepair(a,b) do {} while(0) -#define diff_debug_queue(a,b) do {} while(0) +#define diff_debug_filespec(a,b,c) do { /* nothing */ } while (0) +#define diff_debug_filepair(a,b) do { /* nothing */ } while (0) +#define diff_debug_queue(a,b) do { /* nothing */ } while (0) #endif +extern int diffcore_count_changes(struct diff_filespec *src, + struct diff_filespec *dst, + void **src_count_p, + void **dst_count_p, + unsigned long delta_limit, + unsigned long *src_copied, + unsigned long *literal_added); + #endif |