Andrew's git - gitweb.git/blob - list-objects-filter-options.h

   1#ifndef LIST_OBJECTS_FILTER_OPTIONS_H
   2#define LIST_OBJECTS_FILTER_OPTIONS_H
   3
   4#include "parse-options.h"
   5#include "string-list.h"
   6
   7/*
   8 * The list of defined filters for list-objects.
   9 */
  10enum list_objects_filter_choice {
  11        LOFC_DISABLED = 0,
  12        LOFC_BLOB_NONE,
  13        LOFC_BLOB_LIMIT,
  14        LOFC_TREE_DEPTH,
  15        LOFC_SPARSE_OID,
  16        LOFC_COMBINE,
  17        LOFC__COUNT /* must be last */
  18};
  19
  20struct list_objects_filter_options {
  21        /*
  22         * 'filter_spec' is the raw argument value given on the command line
  23         * or protocol request.  (The part after the "--keyword=".)  For
  24         * commands that launch filtering sub-processes, or for communication
  25         * over the network, don't use this value; use the result of
  26         * expand_list_objects_filter_spec() instead.
  27         * To get the raw filter spec given by the user, use the result of
  28         * list_objects_filter_spec().
  29         */
  30        struct string_list filter_spec;
  31
  32        /*
  33         * 'choice' is determined by parsing the filter-spec.  This indicates
  34         * the filtering algorithm to use.
  35         */
  36        enum list_objects_filter_choice choice;
  37
  38        /*
  39         * Choice is LOFC_DISABLED because "--no-filter" was requested.
  40         */
  41        unsigned int no_filter : 1;
  42
  43        /*
  44         * BEGIN choice-specific parsed values from within the filter-spec. Only
  45         * some values will be defined for any given choice.
  46         */
  47
  48        struct object_id *sparse_oid_value;
  49        unsigned long blob_limit_value;
  50        unsigned long tree_exclude_depth;
  51
  52        /* LOFC_COMBINE values */
  53
  54        /* This array contains all the subfilters which this filter combines. */
  55        size_t sub_nr, sub_alloc;
  56        struct list_objects_filter_options *sub;
  57
  58        /*
  59         * END choice-specific parsed values.
  60         */
  61};
  62
  63/* Normalized command line arguments */
  64#define CL_ARG__FILTER "filter"
  65
  66void list_objects_filter_die_if_populated(
  67        struct list_objects_filter_options *filter_options);
  68
  69/*
  70 * Parses the filter spec string given by arg and either (1) simply places the
  71 * result in filter_options if it is not yet populated or (2) combines it with
  72 * the filter already in filter_options if it is already populated. In the case
  73 * of (2), the filter specs are combined as if specified with 'combine:'.
  74 *
  75 * Dies and prints a user-facing message if an error occurs.
  76 */
  77void parse_list_objects_filter(
  78        struct list_objects_filter_options *filter_options,
  79        const char *arg);
  80
  81int opt_parse_list_objects_filter(const struct option *opt,
  82                                  const char *arg, int unset);
  83
  84#define OPT_PARSE_LIST_OBJECTS_FILTER(fo) \
  85        { OPTION_CALLBACK, 0, CL_ARG__FILTER, fo, N_("args"), \
  86          N_("object filtering"), 0, \
  87          opt_parse_list_objects_filter }
  88
  89/*
  90 * Translates abbreviated numbers in the filter's filter_spec into their
  91 * fully-expanded forms (e.g., "limit:blob=1k" becomes "limit:blob=1024").
  92 * Returns a string owned by the list_objects_filter_options object.
  93 *
  94 * This form should be used instead of the raw list_objects_filter_spec()
  95 * value when communicating with a remote process or subprocess.
  96 */
  97const char *expand_list_objects_filter_spec(
  98        struct list_objects_filter_options *filter);
  99
 100/*
 101 * Returns the filter spec string more or less in the form as the user
 102 * entered it. This form of the filter_spec can be used in user-facing
 103 * messages.  Returns a string owned by the list_objects_filter_options
 104 * object.
 105 */
 106const char *list_objects_filter_spec(
 107        struct list_objects_filter_options *filter);
 108
 109void list_objects_filter_release(
 110        struct list_objects_filter_options *filter_options);
 111
 112static inline void list_objects_filter_set_no_filter(
 113        struct list_objects_filter_options *filter_options)
 114{
 115        list_objects_filter_release(filter_options);
 116        filter_options->no_filter = 1;
 117}
 118
 119void partial_clone_register(
 120        const char *remote,
 121        struct list_objects_filter_options *filter_options);
 122void partial_clone_get_default_filter_spec(
 123        struct list_objects_filter_options *filter_options,
 124        const char *remote);
 125
 126#endif /* LIST_OBJECTS_FILTER_OPTIONS_H */