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   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  */
  10 enum 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
  20 struct 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
  66 int parse_list_objects_filter(
  67         struct list_objects_filter_options *filter_options,
  68         const char *arg);
  69
  70 int opt_parse_list_objects_filter(const struct option *opt,
  71                                   const char *arg, int unset);
  72
  73 #define OPT_PARSE_LIST_OBJECTS_FILTER(fo) \
  74         { OPTION_CALLBACK, 0, CL_ARG__FILTER, fo, N_("args"), \
  75           N_("object filtering"), 0, \
  76           opt_parse_list_objects_filter }
  77
  78 /*
  79  * Translates abbreviated numbers in the filter's filter_spec into their
  80  * fully-expanded forms (e.g., "limit:blob=1k" becomes "limit:blob=1024").
  81  * Returns a string owned by the list_objects_filter_options object.
  82  *
  83  * This form should be used instead of the raw list_objects_filter_spec()
  84  * value when communicating with a remote process or subprocess.
  85  */
  86 const char *expand_list_objects_filter_spec(
  87         struct list_objects_filter_options *filter);
  88
  89 /*
  90  * Returns the filter spec string more or less in the form as the user
  91  * entered it. This form of the filter_spec can be used in user-facing
  92  * messages.  Returns a string owned by the list_objects_filter_options
  93  * object.
  94  */
  95 const char *list_objects_filter_spec(
  96         struct list_objects_filter_options *filter);
  97
  98 void list_objects_filter_release(
  99         struct list_objects_filter_options *filter_options);
 100
 101 static inline void list_objects_filter_set_no_filter(
 102         struct list_objects_filter_options *filter_options)
 103 {
 104         list_objects_filter_release(filter_options);
 105         filter_options->no_filter = 1;
 106 }
 107
 108 void partial_clone_register(
 109         const char *remote,
 110         struct list_objects_filter_options *filter_options);
 111 void partial_clone_get_default_filter_spec(
 112         struct list_objects_filter_options *filter_options);
 113
 114 #endif /* LIST_OBJECTS_FILTER_OPTIONS_H */