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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_diff_h__
#define INCLUDE_diff_h__
#include "git2/diff.h"
#include "git2/oid.h"
#include <stdio.h>
#include "vector.h"
#include "buffer.h"
#include "iterator.h"
#include "repository.h"
#include "pool.h"
#define DIFF_OLD_PREFIX_DEFAULT "a/"
#define DIFF_NEW_PREFIX_DEFAULT "b/"
enum {
GIT_DIFFCAPS_HAS_SYMLINKS = (1 << 0), /* symlinks on platform? */
GIT_DIFFCAPS_ASSUME_UNCHANGED = (1 << 1), /* use stat? */
GIT_DIFFCAPS_TRUST_MODE_BITS = (1 << 2), /* use st_mode? */
GIT_DIFFCAPS_TRUST_CTIME = (1 << 3), /* use st_ctime? */
GIT_DIFFCAPS_USE_DEV = (1 << 4), /* use st_dev? */
GIT_DIFFCAPS_TRUST_NANOSECS = (1 << 5), /* use stat time nanoseconds */
};
#define DIFF_FLAGS_KNOWN_BINARY (GIT_DIFF_FLAG_BINARY|GIT_DIFF_FLAG_NOT_BINARY)
#define DIFF_FLAGS_NOT_BINARY (GIT_DIFF_FLAG_NOT_BINARY|GIT_DIFF_FLAG__NO_DATA)
enum {
GIT_DIFF_FLAG__FREE_PATH = (1 << 7), /* `path` is allocated memory */
GIT_DIFF_FLAG__FREE_DATA = (1 << 8), /* internal file data is allocated */
GIT_DIFF_FLAG__UNMAP_DATA = (1 << 9), /* internal file data is mmap'ed */
GIT_DIFF_FLAG__NO_DATA = (1 << 10), /* file data should not be loaded */
GIT_DIFF_FLAG__FREE_BLOB = (1 << 11), /* release the blob when done */
GIT_DIFF_FLAG__LOADED = (1 << 12), /* file data has been loaded */
GIT_DIFF_FLAG__TO_DELETE = (1 << 16), /* delete entry during rename det. */
GIT_DIFF_FLAG__TO_SPLIT = (1 << 17), /* split entry during rename det. */
GIT_DIFF_FLAG__IS_RENAME_TARGET = (1 << 18),
GIT_DIFF_FLAG__IS_RENAME_SOURCE = (1 << 19),
GIT_DIFF_FLAG__HAS_SELF_SIMILARITY = (1 << 20),
};
#define GIT_DIFF_FLAG__CLEAR_INTERNAL(F) (F) = ((F) & 0x00FFFF)
#define GIT_DIFF__VERBOSE (1 << 30)
struct git_diff_list {
git_refcount rc;
git_repository *repo;
git_diff_options opts;
git_vector pathspec;
git_vector deltas; /* vector of git_diff_delta */
git_pool pool;
git_iterator_type_t old_src;
git_iterator_type_t new_src;
uint32_t diffcaps;
int (*strcomp)(const char *, const char *);
int (*strncomp)(const char *, const char *, size_t);
int (*pfxcomp)(const char *str, const char *pfx);
int (*entrycomp)(const void *a, const void *b);
};
extern void git_diff__cleanup_modes(
uint32_t diffcaps, uint32_t *omode, uint32_t *nmode);
extern void git_diff_list_addref(git_diff_list *diff);
extern int git_diff_delta__cmp(const void *a, const void *b);
extern int git_diff_delta__casecmp(const void *a, const void *b);
extern bool git_diff_delta__should_skip(
const git_diff_options *opts, const git_diff_delta *delta);
extern int git_diff__oid_for_file(
git_repository *, const char *, uint16_t, git_off_t, git_oid *);
extern int git_diff__from_iterators(
git_diff_list **diff_ptr,
git_repository *repo,
git_iterator *old_iter,
git_iterator *new_iter,
const git_diff_options *opts);
extern int git_diff__paired_foreach(
git_diff_list *idx2head,
git_diff_list *wd2idx,
int (*cb)(git_diff_delta *i2h, git_diff_delta *w2i, void *payload),
void *payload);
extern int git_diff_find_similar__hashsig_for_file(
void **out, const git_diff_file *f, const char *path, void *p);
extern int git_diff_find_similar__hashsig_for_buf(
void **out, const git_diff_file *f, const char *buf, size_t len, void *p);
extern void git_diff_find_similar__hashsig_free(void *sig, void *payload);
extern int git_diff_find_similar__calc_similarity(
int *score, void *siga, void *sigb, void *payload);
#endif
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