1 /* 2 * Copyright (C) the libgit2 contributors. All rights reserved. 3 * 4 * This file is part of libgit2, distributed under the GNU GPL v2 with 5 * a Linking Exception. For full terms see the included COPYING file. 6 */ 7 #ifndef INCLUDE_diff_h__ 8 #define INCLUDE_diff_h__ 9 10 #include "common.h" 11 12 #include "git2/diff.h" 13 #include "git2/patch.h" 14 #include "git2/sys/diff.h" 15 #include "git2/oid.h" 16 17 #include <stdio.h> 18 #include "vector.h" 19 #include "buffer.h" 20 #include "iterator.h" 21 #include "repository.h" 22 #include "pool.h" 23 #include "odb.h" 24 25 #define DIFF_OLD_PREFIX_DEFAULT "a/" 26 #define DIFF_NEW_PREFIX_DEFAULT "b/" 27 28 typedef enum { 29 GIT_DIFF_TYPE_UNKNOWN = 0, 30 GIT_DIFF_TYPE_GENERATED = 1, 31 GIT_DIFF_TYPE_PARSED = 2, 32 } git_diff_origin_t; 33 34 struct git_diff { 35 git_refcount rc; 36 git_repository *repo; 37 git_attr_session attrsession; 38 git_diff_origin_t type; 39 git_diff_options opts; 40 git_vector deltas; /* vector of git_diff_delta */ 41 git_pool pool; 42 git_iterator_t old_src; 43 git_iterator_t new_src; 44 git_diff_perfdata perf; 45 46 int (*strcomp)(const char *, const char *); 47 int (*strncomp)(const char *, const char *, size_t); 48 int (*pfxcomp)(const char *str, const char *pfx); 49 int (*entrycomp)(const void *a, const void *b); 50 51 int (*patch_fn)(git_patch **out, git_diff *diff, size_t idx); 52 void (*free_fn)(git_diff *diff); 53 }; 54 55 extern int git_diff_delta__format_file_header( 56 git_buf *out, 57 const git_diff_delta *delta, 58 const char *oldpfx, 59 const char *newpfx, 60 int oid_strlen, 61 bool print_index); 62 63 extern int git_diff_delta__cmp(const void *a, const void *b); 64 extern int git_diff_delta__casecmp(const void *a, const void *b); 65 66 extern int git_diff__entry_cmp(const void *a, const void *b); 67 extern int git_diff__entry_icmp(const void *a, const void *b); 68 69 #endif 70