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#ifndef LIST_OBJECTS_FILTER_OPTIONS_H
#define LIST_OBJECTS_FILTER_OPTIONS_H
#include "cache.h"
#include "parse-options.h"
#include "string-list.h"
/*
* The list of defined filters for list-objects.
*/
enum list_objects_filter_choice {
LOFC_DISABLED = 0,
LOFC_BLOB_NONE,
LOFC_BLOB_LIMIT,
LOFC_TREE_DEPTH,
LOFC_SPARSE_OID,
LOFC_OBJECT_TYPE,
LOFC_COMBINE,
LOFC__COUNT /* must be last */
};
/*
* Returns a configuration key suitable for describing the given object filter,
* e.g.: "blob:none", "combine", etc.
*/
const char *list_object_filter_config_name(enum list_objects_filter_choice c);
struct list_objects_filter_options {
/*
* 'filter_spec' is the raw argument value given on the command line
* or protocol request. (The part after the "--keyword=".) For
* commands that launch filtering sub-processes, or for communication
* over the network, don't use this value; use the result of
* expand_list_objects_filter_spec() instead.
* To get the raw filter spec given by the user, use the result of
* list_objects_filter_spec().
*/
struct string_list filter_spec;
/*
* 'choice' is determined by parsing the filter-spec. This indicates
* the filtering algorithm to use.
*/
enum list_objects_filter_choice choice;
/*
* Choice is LOFC_DISABLED because "--no-filter" was requested.
*/
unsigned int no_filter : 1;
/*
* BEGIN choice-specific parsed values from within the filter-spec. Only
* some values will be defined for any given choice.
*/
char *sparse_oid_name;
unsigned long blob_limit_value;
unsigned long tree_exclude_depth;
enum object_type object_type;
/* LOFC_COMBINE values */
/* This array contains all the subfilters which this filter combines. */
size_t sub_nr, sub_alloc;
struct list_objects_filter_options *sub;
/*
* END choice-specific parsed values.
*/
};
/*
* Parse value of the argument to the "filter" keyword.
* On the command line this looks like:
* --filter=<arg>
* and in the pack protocol as:
* "filter" SP <arg>
*
* The filter keyword will be used by many commands.
* See Documentation/rev-list-options.txt for allowed values for <arg>.
*
* Capture the given arg as the "filter_spec". This can be forwarded to
* subordinate commands when necessary (although it's better to pass it through
* expand_list_objects_filter_spec() first). We also "intern" the arg for the
* convenience of the current command.
*/
int gently_parse_list_objects_filter(
struct list_objects_filter_options *filter_options,
const char *arg,
struct strbuf *errbuf);
void list_objects_filter_die_if_populated(
struct list_objects_filter_options *filter_options);
/*
* Parses the filter spec string given by arg and either (1) simply places the
* result in filter_options if it is not yet populated or (2) combines it with
* the filter already in filter_options if it is already populated. In the case
* of (2), the filter specs are combined as if specified with 'combine:'.
*
* Dies and prints a user-facing message if an error occurs.
*/
void parse_list_objects_filter(
struct list_objects_filter_options *filter_options,
const char *arg);
/**
* The opt->value to opt_parse_list_objects_filter() is either a
* "struct list_objects_filter_option *" when using
* OPT_PARSE_LIST_OBJECTS_FILTER().
*
* Or, if using no "struct option" field is used by the callback,
* except the "defval" which is expected to be an "opt_lof_init"
* function, which is called with the "opt->value" and must return a
* pointer to the ""struct list_objects_filter_option *" to be used.
*
* The OPT_PARSE_LIST_OBJECTS_FILTER_INIT() can be used e.g. the
* "struct list_objects_filter_option" is embedded in a "struct
* rev_info", which the "defval" could be tasked with lazily
* initializing. See cmd_pack_objects() for an example.
*/
int opt_parse_list_objects_filter(const struct option *opt,
const char *arg, int unset);
typedef struct list_objects_filter_options *(*opt_lof_init)(void *);
#define OPT_PARSE_LIST_OBJECTS_FILTER_INIT(fo, init) \
{ OPTION_CALLBACK, 0, "filter", (fo), N_("args"), \
N_("object filtering"), 0, opt_parse_list_objects_filter, \
(intptr_t)(init) }
#define OPT_PARSE_LIST_OBJECTS_FILTER(fo) \
OPT_PARSE_LIST_OBJECTS_FILTER_INIT((fo), NULL)
/*
* Translates abbreviated numbers in the filter's filter_spec into their
* fully-expanded forms (e.g., "limit:blob=1k" becomes "limit:blob=1024").
* Returns a string owned by the list_objects_filter_options object.
*
* This form should be used instead of the raw list_objects_filter_spec()
* value when communicating with a remote process or subprocess.
*/
const char *expand_list_objects_filter_spec(
struct list_objects_filter_options *filter);
/*
* Returns the filter spec string more or less in the form as the user
* entered it. This form of the filter_spec can be used in user-facing
* messages. Returns a string owned by the list_objects_filter_options
* object.
*/
const char *list_objects_filter_spec(
struct list_objects_filter_options *filter);
void list_objects_filter_release(
struct list_objects_filter_options *filter_options);
static inline void list_objects_filter_set_no_filter(
struct list_objects_filter_options *filter_options)
{
list_objects_filter_release(filter_options);
filter_options->no_filter = 1;
}
void partial_clone_register(
const char *remote,
struct list_objects_filter_options *filter_options);
void partial_clone_get_default_filter_spec(
struct list_objects_filter_options *filter_options,
const char *remote);
void list_objects_filter_copy(
struct list_objects_filter_options *dest,
const struct list_objects_filter_options *src);
#endif /* LIST_OBJECTS_FILTER_OPTIONS_H */