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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_attr_file_h__
#define INCLUDE_attr_file_h__
#include "common.h"
#include "git2/oid.h"
#include "git2/attr.h"
#include "vector.h"
#include "pool.h"
#include "buffer.h"
#include "futils.h"
#define GIT_ATTR_FILE ".gitattributes"
#define GIT_ATTR_FILE_INREPO "attributes"
#define GIT_ATTR_FILE_SYSTEM "gitattributes"
#define GIT_ATTR_FILE_XDG "attributes"
#define GIT_ATTR_FNMATCH_NEGATIVE (1U << 0)
#define GIT_ATTR_FNMATCH_DIRECTORY (1U << 1)
#define GIT_ATTR_FNMATCH_FULLPATH (1U << 2)
#define GIT_ATTR_FNMATCH_MACRO (1U << 3)
#define GIT_ATTR_FNMATCH_IGNORE (1U << 4)
#define GIT_ATTR_FNMATCH_HASWILD (1U << 5)
#define GIT_ATTR_FNMATCH_ALLOWSPACE (1U << 6)
#define GIT_ATTR_FNMATCH_ICASE (1U << 7)
#define GIT_ATTR_FNMATCH_MATCH_ALL (1U << 8)
#define GIT_ATTR_FNMATCH_ALLOWNEG (1U << 9)
#define GIT_ATTR_FNMATCH_ALLOWMACRO (1U << 10)
#define GIT_ATTR_FNMATCH__INCOMING \
(GIT_ATTR_FNMATCH_ALLOWSPACE | GIT_ATTR_FNMATCH_ALLOWNEG | GIT_ATTR_FNMATCH_ALLOWMACRO)
typedef enum {
GIT_ATTR_FILE_SOURCE_MEMORY = 0,
GIT_ATTR_FILE_SOURCE_FILE = 1,
GIT_ATTR_FILE_SOURCE_INDEX = 2,
GIT_ATTR_FILE_SOURCE_HEAD = 3,
GIT_ATTR_FILE_SOURCE_COMMIT = 4,
GIT_ATTR_FILE_NUM_SOURCES = 5
} git_attr_file_source_t;
typedef struct {
/* The source location for the attribute file. */
git_attr_file_source_t type;
/*
* The filename of the attribute file to read (relative to the
* given base path).
*/
const char *base;
const char *filename;
/*
* The commit ID when the given source type is a commit (or NULL
* for the repository's HEAD commit.)
*/
git_oid *commit_id;
} git_attr_file_source;
extern const char *git_attr__true;
extern const char *git_attr__false;
extern const char *git_attr__unset;
typedef struct {
char *pattern;
size_t length;
char *containing_dir;
size_t containing_dir_length;
unsigned int flags;
} git_attr_fnmatch;
typedef struct {
git_attr_fnmatch match;
git_vector assigns; /* vector of <git_attr_assignment*> */
} git_attr_rule;
typedef struct {
git_refcount unused;
const char *name;
uint32_t name_hash;
} git_attr_name;
typedef struct {
git_refcount rc; /* for macros */
char *name;
uint32_t name_hash;
const char *value;
} git_attr_assignment;
typedef struct git_attr_file_entry git_attr_file_entry;
typedef struct {
git_refcount rc;
git_mutex lock;
git_attr_file_entry *entry;
git_attr_file_source source;
git_vector rules; /* vector of <rule*> or <fnmatch*> */
git_pool pool;
unsigned int nonexistent:1;
int session_key;
union {
git_oid oid;
git_futils_filestamp stamp;
} cache_data;
} git_attr_file;
struct git_attr_file_entry {
git_attr_file *file[GIT_ATTR_FILE_NUM_SOURCES];
const char *path; /* points into fullpath */
char fullpath[GIT_FLEX_ARRAY];
};
typedef struct {
git_buf full;
char *path;
char *basename;
int is_dir;
} git_attr_path;
/* A git_attr_session can provide an "instance" of reading, to prevent cache
* invalidation during a single operation instance (like checkout).
*/
typedef struct {
int key;
unsigned int init_setup:1,
init_sysdir:1;
git_buf sysdir;
git_buf tmp;
} git_attr_session;
extern int git_attr_session__init(git_attr_session *attr_session, git_repository *repo);
extern void git_attr_session__free(git_attr_session *session);
extern int git_attr_get_many_with_session(
const char **values_out,
git_repository *repo,
git_attr_session *attr_session,
git_attr_options *opts,
const char *path,
size_t num_attr,
const char **names);
typedef int (*git_attr_file_parser)(
git_repository *repo,
git_attr_file *file,
const char *data,
bool allow_macros);
/*
* git_attr_file API
*/
int git_attr_file__new(
git_attr_file **out,
git_attr_file_entry *entry,
git_attr_file_source *source);
void git_attr_file__free(git_attr_file *file);
int git_attr_file__load(
git_attr_file **out,
git_repository *repo,
git_attr_session *attr_session,
git_attr_file_entry *ce,
git_attr_file_source *source,
git_attr_file_parser parser,
bool allow_macros);
int git_attr_file__load_standalone(
git_attr_file **out, const char *path);
int git_attr_file__out_of_date(
git_repository *repo, git_attr_session *session, git_attr_file *file, git_attr_file_source *source);
int git_attr_file__parse_buffer(
git_repository *repo, git_attr_file *attrs, const char *data, bool allow_macros);
int git_attr_file__clear_rules(
git_attr_file *file, bool need_lock);
int git_attr_file__lookup_one(
git_attr_file *file,
git_attr_path *path,
const char *attr,
const char **value);
/* loop over rules in file from bottom to top */
#define git_attr_file__foreach_matching_rule(file, path, iter, rule) \
git_vector_rforeach(&(file)->rules, (iter), (rule)) \
if (git_attr_rule__match((rule), (path)))
uint32_t git_attr_file__name_hash(const char *name);
/*
* other utilities
*/
extern int git_attr_fnmatch__parse(
git_attr_fnmatch *spec,
git_pool *pool,
const char *source,
const char **base);
extern bool git_attr_fnmatch__match(
git_attr_fnmatch *rule,
git_attr_path *path);
extern void git_attr_rule__free(git_attr_rule *rule);
extern bool git_attr_rule__match(
git_attr_rule *rule,
git_attr_path *path);
extern git_attr_assignment *git_attr_rule__lookup_assignment(
git_attr_rule *rule, const char *name);
typedef enum { GIT_DIR_FLAG_TRUE = 1, GIT_DIR_FLAG_FALSE = 0, GIT_DIR_FLAG_UNKNOWN = -1 } git_dir_flag;
extern int git_attr_path__init(
git_attr_path *out,
git_repository *repo,
const char *path,
const char *base,
git_dir_flag is_dir);
extern void git_attr_path__free(git_attr_path *info);
extern int git_attr_assignment__parse(
git_repository *repo, /* needed to expand macros */
git_pool *pool,
git_vector *assigns,
const char **scan);
#endif
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