| /* |
| * 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_generate_h__ |
| #define INCLUDE_diff_generate_h__ |
| |
| #include "common.h" |
| |
| #include "diff.h" |
| #include "pool.h" |
| #include "index.h" |
| |
| enum { |
| GIT_DIFFCAPS_HAS_SYMLINKS = (1 << 0), /* symlinks on platform? */ |
| GIT_DIFFCAPS_IGNORE_STAT = (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? */ |
| }; |
| |
| #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) |
| |
| extern void git_diff_addref(git_diff *diff); |
| |
| extern bool git_diff_delta__should_skip( |
| const git_diff_options *opts, const git_diff_delta *delta); |
| |
| extern int git_diff__from_iterators( |
| git_diff **diff_ptr, |
| git_repository *repo, |
| git_iterator *old_iter, |
| git_iterator *new_iter, |
| const git_diff_options *opts); |
| |
| extern int git_diff__commit( |
| git_diff **diff, git_repository *repo, const git_commit *commit, const git_diff_options *opts); |
| |
| extern int git_diff__paired_foreach( |
| git_diff *idx2head, |
| git_diff *wd2idx, |
| int (*cb)(git_diff_delta *i2h, git_diff_delta *w2i, void *payload), |
| void *payload); |
| |
| /* Merge two `git_diff`s according to the callback given by `cb`. */ |
| |
| typedef git_diff_delta *(*git_diff__merge_cb)( |
| const git_diff_delta *left, |
| const git_diff_delta *right, |
| git_pool *pool); |
| |
| extern int git_diff__merge( |
| git_diff *onto, const git_diff *from, git_diff__merge_cb cb); |
| |
| extern git_diff_delta *git_diff__merge_like_cgit( |
| const git_diff_delta *a, |
| const git_diff_delta *b, |
| git_pool *pool); |
| |
| /* Duplicate a `git_diff_delta` out of the `git_pool` */ |
| extern git_diff_delta *git_diff__delta_dup( |
| const git_diff_delta *d, git_pool *pool); |
| |
| extern int git_diff__oid_for_file( |
| git_oid *out, |
| git_diff *diff, |
| const char *path, |
| uint16_t mode, |
| git_off_t size); |
| |
| extern int git_diff__oid_for_entry( |
| git_oid *out, |
| git_diff *diff, |
| const git_index_entry *src, |
| uint16_t mode, |
| const git_oid *update_match); |
| |
| /* |
| * Sometimes a git_diff_file will have a zero size; this attempts to |
| * fill in the size without loading the blob if possible. If that is |
| * not possible, then it will return the git_odb_object that had to be |
| * loaded and the caller can use it or dispose of it as needed. |
| */ |
| GIT_INLINE(int) git_diff_file__resolve_zero_size( |
| git_diff_file *file, git_odb_object **odb_obj, git_repository *repo) |
| { |
| int error; |
| git_odb *odb; |
| size_t len; |
| git_object_t type; |
| |
| if ((error = git_repository_odb(&odb, repo)) < 0) |
| return error; |
| |
| error = git_odb__read_header_or_object( |
| odb_obj, &len, &type, odb, &file->id); |
| |
| git_odb_free(odb); |
| |
| if (!error) |
| file->size = (git_off_t)len; |
| |
| return error; |
| } |
| |
| #endif |