| /* | |
| * Copyright (C) 2005 Junio C Hamano | |
| */ | |
| #ifndef DIFF_H | |
| #define DIFF_H | |
| #include "tree-walk.h" | |
| struct rev_info; | |
| struct diff_options; | |
| struct diff_queue_struct; | |
| typedef void (*change_fn_t)(struct diff_options *options, | |
| unsigned old_mode, unsigned new_mode, | |
| const unsigned char *old_sha1, | |
| const unsigned char *new_sha1, | |
| const char *fullpath); | |
| typedef void (*add_remove_fn_t)(struct diff_options *options, | |
| int addremove, unsigned mode, | |
| const unsigned char *sha1, | |
| const char *fullpath); | |
| typedef void (*diff_format_fn_t)(struct diff_queue_struct *q, | |
| struct diff_options *options, void *data); | |
| #define DIFF_FORMAT_RAW 0x0001 | |
| #define DIFF_FORMAT_DIFFSTAT 0x0002 | |
| #define DIFF_FORMAT_NUMSTAT 0x0004 | |
| #define DIFF_FORMAT_SUMMARY 0x0008 | |
| #define DIFF_FORMAT_PATCH 0x0010 | |
| #define DIFF_FORMAT_SHORTSTAT 0x0020 | |
| #define DIFF_FORMAT_DIRSTAT 0x0040 | |
| /* These override all above */ | |
| #define DIFF_FORMAT_NAME 0x0100 | |
| #define DIFF_FORMAT_NAME_STATUS 0x0200 | |
| #define DIFF_FORMAT_CHECKDIFF 0x0400 | |
| /* Same as output_format = 0 but we know that -s flag was given | |
| * and we should not give default value to output_format. | |
| */ | |
| #define DIFF_FORMAT_NO_OUTPUT 0x0800 | |
| #define DIFF_FORMAT_CALLBACK 0x1000 | |
| #define DIFF_OPT_RECURSIVE (1 << 0) | |
| #define DIFF_OPT_TREE_IN_RECURSIVE (1 << 1) | |
| #define DIFF_OPT_BINARY (1 << 2) | |
| #define DIFF_OPT_TEXT (1 << 3) | |
| #define DIFF_OPT_FULL_INDEX (1 << 4) | |
| #define DIFF_OPT_SILENT_ON_REMOVE (1 << 5) | |
| #define DIFF_OPT_FIND_COPIES_HARDER (1 << 6) | |
| #define DIFF_OPT_FOLLOW_RENAMES (1 << 7) | |
| #define DIFF_OPT_COLOR_DIFF (1 << 8) | |
| #define DIFF_OPT_COLOR_DIFF_WORDS (1 << 9) | |
| #define DIFF_OPT_HAS_CHANGES (1 << 10) | |
| #define DIFF_OPT_QUIET (1 << 11) | |
| #define DIFF_OPT_NO_INDEX (1 << 12) | |
| #define DIFF_OPT_ALLOW_EXTERNAL (1 << 13) | |
| #define DIFF_OPT_EXIT_WITH_STATUS (1 << 14) | |
| #define DIFF_OPT_REVERSE_DIFF (1 << 15) | |
| #define DIFF_OPT_CHECK_FAILED (1 << 16) | |
| #define DIFF_OPT_RELATIVE_NAME (1 << 17) | |
| #define DIFF_OPT_IGNORE_SUBMODULES (1 << 18) | |
| #define DIFF_OPT_DIRSTAT_CUMULATIVE (1 << 19) | |
| #define DIFF_OPT_DIRSTAT_BY_FILE (1 << 20) | |
| #define DIFF_OPT_ALLOW_TEXTCONV (1 << 21) | |
| #define DIFF_OPT_SUBMODULE_LOG (1 << 23) | |
| #define DIFF_OPT_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag) | |
| #define DIFF_OPT_SET(opts, flag) ((opts)->flags |= DIFF_OPT_##flag) | |
| #define DIFF_OPT_CLR(opts, flag) ((opts)->flags &= ~DIFF_OPT_##flag) | |
| #define DIFF_XDL_TST(opts, flag) ((opts)->xdl_opts & XDF_##flag) | |
| #define DIFF_XDL_SET(opts, flag) ((opts)->xdl_opts |= XDF_##flag) | |
| #define DIFF_XDL_CLR(opts, flag) ((opts)->xdl_opts &= ~XDF_##flag) | |
| struct diff_options { | |
| const char *filter; | |
| const char *orderfile; | |
| const char *pickaxe; | |
| const char *single_follow; | |
| const char *a_prefix, *b_prefix; | |
| unsigned flags; | |
| int context; | |
| int interhunkcontext; | |
| int break_opt; | |
| int detect_rename; | |
| int skip_stat_unmatch; | |
| int line_termination; | |
| int output_format; | |
| int pickaxe_opts; | |
| int rename_score; | |
| int rename_limit; | |
| int warn_on_too_large_rename; | |
| int dirstat_percent; | |
| int setup; | |
| int abbrev; | |
| const char *prefix; | |
| int prefix_length; | |
| const char *stat_sep; | |
| long xdl_opts; | |
| int stat_width; | |
| int stat_name_width; | |
| const char *word_regex; | |
| /* this is set by diffcore for DIFF_FORMAT_PATCH */ | |
| int found_changes; | |
| FILE *file; | |
| int close_file; | |
| int nr_paths; | |
| const char **paths; | |
| int *pathlens; | |
| change_fn_t change; | |
| add_remove_fn_t add_remove; | |
| diff_format_fn_t format_callback; | |
| void *format_callback_data; | |
| }; | |
| enum color_diff { | |
| DIFF_RESET = 0, | |
| DIFF_PLAIN = 1, | |
| DIFF_METAINFO = 2, | |
| DIFF_FRAGINFO = 3, | |
| DIFF_FILE_OLD = 4, | |
| DIFF_FILE_NEW = 5, | |
| DIFF_COMMIT = 6, | |
| DIFF_WHITESPACE = 7, | |
| }; | |
| const char *diff_get_color(int diff_use_color, enum color_diff ix); | |
| #define diff_get_color_opt(o, ix) \ | |
| diff_get_color(DIFF_OPT_TST((o), COLOR_DIFF), ix) | |
| extern const char mime_boundary_leader[]; | |
| extern void diff_tree_setup_paths(const char **paths, struct diff_options *); | |
| extern void diff_tree_release_paths(struct diff_options *); | |
| extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2, | |
| const char *base, struct diff_options *opt); | |
| extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new, | |
| const char *base, struct diff_options *opt); | |
| extern int diff_root_tree_sha1(const unsigned char *new, const char *base, | |
| struct diff_options *opt); | |
| struct combine_diff_path { | |
| struct combine_diff_path *next; | |
| int len; | |
| char *path; | |
| unsigned int mode; | |
| unsigned char sha1[20]; | |
| struct combine_diff_parent { | |
| char status; | |
| unsigned int mode; | |
| unsigned char sha1[20]; | |
| } parent[FLEX_ARRAY]; | |
| }; | |
| #define combine_diff_path_size(n, l) \ | |
| (sizeof(struct combine_diff_path) + \ | |
| sizeof(struct combine_diff_parent) * (n) + (l) + 1) | |
| extern void show_combined_diff(struct combine_diff_path *elem, int num_parent, | |
| int dense, struct rev_info *); | |
| extern void diff_tree_combined(const unsigned char *sha1, const unsigned char parent[][20], int num_parent, int dense, struct rev_info *rev); | |
| extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *); | |
| void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b); | |
| extern void diff_addremove(struct diff_options *, | |
| int addremove, | |
| unsigned mode, | |
| const unsigned char *sha1, | |
| const char *fullpath); | |
| extern void diff_change(struct diff_options *, | |
| unsigned mode1, unsigned mode2, | |
| const unsigned char *sha1, | |
| const unsigned char *sha2, | |
| const char *fullpath); | |
| extern void diff_unmerge(struct diff_options *, | |
| const char *path, | |
| unsigned mode, | |
| const unsigned char *sha1); | |
| #define DIFF_SETUP_REVERSE 1 | |
| #define DIFF_SETUP_USE_CACHE 2 | |
| #define DIFF_SETUP_USE_SIZE_CACHE 4 | |
| extern int git_diff_basic_config(const char *var, const char *value, void *cb); | |
| extern int git_diff_ui_config(const char *var, const char *value, void *cb); | |
| extern int diff_use_color_default; | |
| extern void diff_setup(struct diff_options *); | |
| extern int diff_opt_parse(struct diff_options *, const char **, int); | |
| extern int diff_setup_done(struct diff_options *); | |
| #define DIFF_DETECT_RENAME 1 | |
| #define DIFF_DETECT_COPY 2 | |
| #define DIFF_PICKAXE_ALL 1 | |
| #define DIFF_PICKAXE_REGEX 2 | |
| extern void diffcore_std(struct diff_options *); | |
| #define COMMON_DIFF_OPTIONS_HELP \ | |
| "\ncommon diff options:\n" \ | |
| " -z output diff-raw with lines terminated with NUL.\n" \ | |
| " -p output patch format.\n" \ | |
| " -u synonym for -p.\n" \ | |
| " --patch-with-raw\n" \ | |
| " output both a patch and the diff-raw format.\n" \ | |
| " --stat show diffstat instead of patch.\n" \ | |
| " --numstat show numeric diffstat instead of patch.\n" \ | |
| " --patch-with-stat\n" \ | |
| " output a patch and prepend its diffstat.\n" \ | |
| " --name-only show only names of changed files.\n" \ | |
| " --name-status show names and status of changed files.\n" \ | |
| " --full-index show full object name on index lines.\n" \ | |
| " --abbrev=<n> abbreviate object names in diff-tree header and diff-raw.\n" \ | |
| " -R swap input file pairs.\n" \ | |
| " -B detect complete rewrites.\n" \ | |
| " -M detect renames.\n" \ | |
| " -C detect copies.\n" \ | |
| " --find-copies-harder\n" \ | |
| " try unchanged files as candidate for copy detection.\n" \ | |
| " -l<n> limit rename attempts up to <n> paths.\n" \ | |
| " -O<file> reorder diffs according to the <file>.\n" \ | |
| " -S<string> find filepair whose only one side contains the string.\n" \ | |
| " --pickaxe-all\n" \ | |
| " show all files diff when -S is used and hit is found.\n" \ | |
| " -a --text treat all files as text.\n" | |
| extern int diff_queue_is_empty(void); | |
| extern void diff_flush(struct diff_options*); | |
| /* diff-raw status letters */ | |
| #define DIFF_STATUS_ADDED 'A' | |
| #define DIFF_STATUS_COPIED 'C' | |
| #define DIFF_STATUS_DELETED 'D' | |
| #define DIFF_STATUS_MODIFIED 'M' | |
| #define DIFF_STATUS_RENAMED 'R' | |
| #define DIFF_STATUS_TYPE_CHANGED 'T' | |
| #define DIFF_STATUS_UNKNOWN 'X' | |
| #define DIFF_STATUS_UNMERGED 'U' | |
| /* these are not diff-raw status letters proper, but used by | |
| * diffcore-filter insn to specify additional restrictions. | |
| */ | |
| #define DIFF_STATUS_FILTER_AON '*' | |
| #define DIFF_STATUS_FILTER_BROKEN 'B' | |
| extern const char *diff_unique_abbrev(const unsigned char *, int); | |
| /* do not report anything on removed paths */ | |
| #define DIFF_SILENT_ON_REMOVED 01 | |
| /* report racily-clean paths as modified */ | |
| #define DIFF_RACY_IS_MODIFIED 02 | |
| extern int run_diff_files(struct rev_info *revs, unsigned int option); | |
| extern int run_diff_index(struct rev_info *revs, int cached); | |
| extern int do_diff_cache(const unsigned char *, struct diff_options *); | |
| extern int diff_flush_patch_id(struct diff_options *, unsigned char *); | |
| extern int diff_result_code(struct diff_options *, int); | |
| extern void diff_no_index(struct rev_info *, int, const char **, int, const char *); | |
| extern int index_differs_from(const char *def, int diff_flags); | |
| #endif /* DIFF_H */ |