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In a subsequent commit, we will add configuration options that are specific to each kind of object filter, in which case it is handy to have a function that translates between 'enum list_objects_filter_choice' and an appropriate configuration-friendly string. Signed-off-by: Taylor Blau <me@ttaylorr.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
132 lines
3.9 KiB
C
132 lines
3.9 KiB
C
#ifndef LIST_OBJECTS_FILTER_OPTIONS_H
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#define LIST_OBJECTS_FILTER_OPTIONS_H
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#include "parse-options.h"
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#include "string-list.h"
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/*
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* The list of defined filters for list-objects.
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*/
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enum list_objects_filter_choice {
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LOFC_DISABLED = 0,
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LOFC_BLOB_NONE,
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LOFC_BLOB_LIMIT,
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LOFC_TREE_DEPTH,
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LOFC_SPARSE_OID,
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LOFC_COMBINE,
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LOFC__COUNT /* must be last */
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};
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/*
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* Returns a configuration key suitable for describing the given object filter,
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* e.g.: "blob:none", "combine", etc.
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*/
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const char *list_object_filter_config_name(enum list_objects_filter_choice c);
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struct list_objects_filter_options {
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/*
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* 'filter_spec' is the raw argument value given on the command line
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* or protocol request. (The part after the "--keyword=".) For
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* commands that launch filtering sub-processes, or for communication
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* over the network, don't use this value; use the result of
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* expand_list_objects_filter_spec() instead.
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* To get the raw filter spec given by the user, use the result of
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* list_objects_filter_spec().
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*/
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struct string_list filter_spec;
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/*
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* 'choice' is determined by parsing the filter-spec. This indicates
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* the filtering algorithm to use.
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*/
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enum list_objects_filter_choice choice;
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/*
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* Choice is LOFC_DISABLED because "--no-filter" was requested.
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*/
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unsigned int no_filter : 1;
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/*
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* BEGIN choice-specific parsed values from within the filter-spec. Only
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* some values will be defined for any given choice.
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*/
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char *sparse_oid_name;
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unsigned long blob_limit_value;
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unsigned long tree_exclude_depth;
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/* LOFC_COMBINE values */
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/* This array contains all the subfilters which this filter combines. */
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size_t sub_nr, sub_alloc;
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struct list_objects_filter_options *sub;
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/*
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* END choice-specific parsed values.
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*/
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};
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/* Normalized command line arguments */
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#define CL_ARG__FILTER "filter"
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void list_objects_filter_die_if_populated(
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struct list_objects_filter_options *filter_options);
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/*
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* Parses the filter spec string given by arg and either (1) simply places the
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* result in filter_options if it is not yet populated or (2) combines it with
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* the filter already in filter_options if it is already populated. In the case
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* of (2), the filter specs are combined as if specified with 'combine:'.
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*
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* Dies and prints a user-facing message if an error occurs.
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*/
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void parse_list_objects_filter(
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struct list_objects_filter_options *filter_options,
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const char *arg);
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int opt_parse_list_objects_filter(const struct option *opt,
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const char *arg, int unset);
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#define OPT_PARSE_LIST_OBJECTS_FILTER(fo) \
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OPT_CALLBACK(0, CL_ARG__FILTER, fo, N_("args"), \
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N_("object filtering"), \
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opt_parse_list_objects_filter)
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/*
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* Translates abbreviated numbers in the filter's filter_spec into their
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* fully-expanded forms (e.g., "limit:blob=1k" becomes "limit:blob=1024").
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* Returns a string owned by the list_objects_filter_options object.
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*
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* This form should be used instead of the raw list_objects_filter_spec()
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* value when communicating with a remote process or subprocess.
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*/
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const char *expand_list_objects_filter_spec(
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struct list_objects_filter_options *filter);
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/*
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* Returns the filter spec string more or less in the form as the user
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* entered it. This form of the filter_spec can be used in user-facing
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* messages. Returns a string owned by the list_objects_filter_options
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* object.
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*/
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const char *list_objects_filter_spec(
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struct list_objects_filter_options *filter);
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void list_objects_filter_release(
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struct list_objects_filter_options *filter_options);
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static inline void list_objects_filter_set_no_filter(
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struct list_objects_filter_options *filter_options)
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{
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list_objects_filter_release(filter_options);
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filter_options->no_filter = 1;
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}
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void partial_clone_register(
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const char *remote,
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struct list_objects_filter_options *filter_options);
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void partial_clone_get_default_filter_spec(
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struct list_objects_filter_options *filter_options,
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const char *remote);
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#endif /* LIST_OBJECTS_FILTER_OPTIONS_H */
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