git/ref-filter.h
ZheNing Hu 22f69a85ed ref-filter: get rid of show_ref_array_item
Inlining the exported function `show_ref_array_item()`,
which is not providing the right level of abstraction,
simplifies the API and can unlock improvements at the
former call sites.

Helped-by: René Scharfe <l.s.r@web.de>
Signed-off-by: ZheNing Hu <adlternative@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-04-19 15:08:00 -07:00

151 lines
4.7 KiB
C

#ifndef REF_FILTER_H
#define REF_FILTER_H
#include "oid-array.h"
#include "refs.h"
#include "commit.h"
#include "parse-options.h"
/* Quoting styles */
#define QUOTE_NONE 0
#define QUOTE_SHELL 1
#define QUOTE_PERL 2
#define QUOTE_PYTHON 4
#define QUOTE_TCL 8
#define FILTER_REFS_INCLUDE_BROKEN 0x0001
#define FILTER_REFS_TAGS 0x0002
#define FILTER_REFS_BRANCHES 0x0004
#define FILTER_REFS_REMOTES 0x0008
#define FILTER_REFS_OTHERS 0x0010
#define FILTER_REFS_ALL (FILTER_REFS_TAGS | FILTER_REFS_BRANCHES | \
FILTER_REFS_REMOTES | FILTER_REFS_OTHERS)
#define FILTER_REFS_DETACHED_HEAD 0x0020
#define FILTER_REFS_KIND_MASK (FILTER_REFS_ALL | FILTER_REFS_DETACHED_HEAD)
struct atom_value;
struct ref_sorting {
struct ref_sorting *next;
int atom; /* index into used_atom array (internal) */
enum {
REF_SORTING_REVERSE = 1<<0,
REF_SORTING_ICASE = 1<<1,
REF_SORTING_VERSION = 1<<2,
REF_SORTING_DETACHED_HEAD_FIRST = 1<<3,
} sort_flags;
};
struct ref_array_item {
struct object_id objectname;
int flag;
unsigned int kind;
const char *symref;
struct commit *commit;
struct atom_value *value;
char refname[FLEX_ARRAY];
};
struct ref_array {
int nr, alloc;
struct ref_array_item **items;
struct rev_info *revs;
};
struct ref_filter {
const char **name_patterns;
struct oid_array points_at;
struct commit_list *with_commit;
struct commit_list *no_commit;
struct commit_list *reachable_from;
struct commit_list *unreachable_from;
unsigned int with_commit_tag_algo : 1,
match_as_path : 1,
ignore_case : 1,
detached : 1;
unsigned int kind,
lines;
int abbrev,
verbose;
};
struct ref_format {
/*
* Set these to define the format; make sure you call
* verify_ref_format() afterwards to finalize.
*/
const char *format;
int quote_style;
int use_color;
/* Internal state to ref-filter */
int need_color_reset_at_eol;
};
#define REF_FORMAT_INIT { NULL, 0, -1 }
/* Macros for checking --merged and --no-merged options */
#define _OPT_MERGED_NO_MERGED(option, filter, h) \
{ OPTION_CALLBACK, 0, option, (filter), N_("commit"), (h), \
PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, \
parse_opt_merge_filter, (intptr_t) "HEAD" \
}
#define OPT_MERGED(f, h) _OPT_MERGED_NO_MERGED("merged", f, h)
#define OPT_NO_MERGED(f, h) _OPT_MERGED_NO_MERGED("no-merged", f, h)
#define OPT_REF_SORT(var) \
OPT_CALLBACK_F(0, "sort", (var), \
N_("key"), N_("field name to sort on"), \
PARSE_OPT_NONEG, parse_opt_ref_sorting)
/*
* API for filtering a set of refs. Based on the type of refs the user
* has requested, we iterate through those refs and apply filters
* as per the given ref_filter structure and finally store the
* filtered refs in the ref_array structure.
*/
int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
/* Clear all memory allocated to ref_array */
void ref_array_clear(struct ref_array *array);
/* Used to verify if the given format is correct and to parse out the used atoms */
int verify_ref_format(struct ref_format *format);
/* Sort the given ref_array as per the ref_sorting provided */
void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
/* Set REF_SORTING_* sort_flags for all elements of a sorting list */
void ref_sorting_set_sort_flags_all(struct ref_sorting *sorting, unsigned int mask, int on);
/* Based on the given format and quote_style, fill the strbuf */
int format_ref_array_item(struct ref_array_item *info,
const struct ref_format *format,
struct strbuf *final_buf,
struct strbuf *error_buf);
/* Parse a single sort specifier and add it to the list */
void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *atom);
/* Callback function for parsing the sort option */
int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
/* Default sort option based on refname */
struct ref_sorting *ref_default_sorting(void);
/* Function to parse --merged and --no-merged options */
int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
/* Get the current HEAD's description */
char *get_head_description(void);
/* Set up translated strings in the output. */
void setup_ref_filter_porcelain_msg(void);
/*
* Print a single ref, outside of any ref-filter. Note that the
* name must be a fully qualified refname.
*/
void pretty_print_ref(const char *name, const struct object_id *oid,
const struct ref_format *format);
/*
* Push a single ref onto the array; this can be used to construct your own
* ref_array without using filter_refs().
*/
struct ref_array_item *ref_array_push(struct ref_array *array,
const char *refname,
const struct object_id *oid);
#endif /* REF_FILTER_H */