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443cfa7179290c821ee75820a9715047b8057906
   1#ifndef REF_FILTER_H
   2#define REF_FILTER_H
   3
   4#include "sha1-array.h"
   5#include "refs.h"
   6#include "commit.h"
   7#include "parse-options.h"
   8
   9/* Quoting styles */
  10#define QUOTE_NONE 0
  11#define QUOTE_SHELL 1
  12#define QUOTE_PERL 2
  13#define QUOTE_PYTHON 4
  14#define QUOTE_TCL 8
  15
  16#define FILTER_REFS_INCLUDE_BROKEN 0x1
  17#define FILTER_REFS_ALL 0x2
  18
  19struct atom_value {
  20        const char *s;
  21        unsigned long ul; /* used for sorting when not FIELD_STR */
  22};
  23
  24struct ref_sorting {
  25        struct ref_sorting *next;
  26        int atom; /* index into used_atom array (internal) */
  27        unsigned reverse : 1;
  28};
  29
  30struct ref_array_item {
  31        unsigned char objectname[20];
  32        int flag;
  33        const char *symref;
  34        struct atom_value *value;
  35        char refname[FLEX_ARRAY];
  36};
  37
  38struct ref_array {
  39        int nr, alloc;
  40        struct ref_array_item **items;
  41};
  42
  43struct ref_filter {
  44        const char **name_patterns;
  45        struct sha1_array points_at;
  46};
  47
  48struct ref_filter_cbdata {
  49        struct ref_array *array;
  50        struct ref_filter *filter;
  51};
  52
  53/*  Macros for checking --merged and --no-merged options */
  54#define _OPT_MERGED_NO_MERGED(option, filter, h) \
  55        { OPTION_CALLBACK, 0, option, (filter), N_("commit"), (h), \
  56          PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, \
  57          parse_opt_merge_filter, (intptr_t) "HEAD" \
  58        }
  59#define OPT_MERGED(f, h) _OPT_MERGED_NO_MERGED("merged", f, h)
  60#define OPT_NO_MERGED(f, h) _OPT_MERGED_NO_MERGED("no-merged", f, h)
  61
  62/*
  63 * API for filtering a set of refs. Based on the type of refs the user
  64 * has requested, we iterate through those refs and apply filters
  65 * as per the given ref_filter structure and finally store the
  66 * filtered refs in the ref_array structure.
  67 */
  68int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
  69/*  Clear all memory allocated to ref_array */
  70void ref_array_clear(struct ref_array *array);
  71/*  Parse format string and sort specifiers */
  72int parse_ref_filter_atom(const char *atom, const char *ep);
  73/*  Used to verify if the given format is correct and to parse out the used atoms */
  74int verify_ref_format(const char *format);
  75/*  Sort the given ref_array as per the ref_sorting provided */
  76void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
  77/*  Print the ref using the given format and quote_style */
  78void show_ref_array_item(struct ref_array_item *info, const char *format, int quote_style);
  79/*  Callback function for parsing the sort option */
  80int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
  81/*  Default sort option based on refname */
  82struct ref_sorting *ref_default_sorting(void);
  83/*  Function to parse --merged and --no-merged options */
  84int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
  85
  86#endif /*  REF_FILTER_H  */