git/list-objects-filter-options.h

#ifndef LIST_OBJECTS_FILTER_OPTIONS_H
#define LIST_OBJECTS_FILTER_OPTIONS_H

#include "gettext.h"
#include "object.h"
#include "strbuf.h"

struct option;

/*
 * The list of defined filters for list-objects.
 */
enum list_objects_filter_choice { … };

/*
 * 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 { … };

#define LIST_OBJECTS_FILTER_INIT …
void list_objects_filter_init(struct list_objects_filter_options *filter_options);

/*
 * 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().
 */
int opt_parse_list_objects_filter(const struct option *opt,
				  const char *arg, int unset);

#define OPT_PARSE_LIST_OBJECTS_FILTER(fo) …

/*
 * 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)
{ … }

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 */