ref-filter.h

   1 #ifndef REF_FILTER_H
   2 #define REF_FILTER_H
   3
   4 #include "gettext.h"
   5 #include "oid-array.h"
   6 #include "refs.h"
   7 #include "commit.h"
   8 #include "string-list.h"
   9
  10 /* Quoting styles */
  11 #define QUOTE_NONE 0
  12 #define QUOTE_SHELL 1
  13 #define QUOTE_PERL 2
  14 #define QUOTE_PYTHON 4
  15 #define QUOTE_TCL 8
  16
  17 #define FILTER_REFS_TAGS           0x0002
  18 #define FILTER_REFS_BRANCHES       0x0004
  19 #define FILTER_REFS_REMOTES        0x0008
  20 #define FILTER_REFS_OTHERS         0x0010
  21 #define FILTER_REFS_ALL            (FILTER_REFS_TAGS | FILTER_REFS_BRANCHES | \
  22                                     FILTER_REFS_REMOTES | FILTER_REFS_OTHERS)
  23 #define FILTER_REFS_DETACHED_HEAD  0x0020
  24 #define FILTER_REFS_KIND_MASK      (FILTER_REFS_ALL | FILTER_REFS_DETACHED_HEAD)
  25
  26 struct atom_value;
  27 struct ref_sorting;
  28 struct ahead_behind_count;
  29 struct option;
  30
  31 enum ref_sorting_order {
  32         REF_SORTING_REVERSE = 1<<0,
  33         REF_SORTING_ICASE = 1<<1,
  34         REF_SORTING_VERSION = 1<<2,
  35         REF_SORTING_DETACHED_HEAD_FIRST = 1<<3,
  36 };
  37
  38 struct ref_array_item {
  39         struct object_id objectname;
  40         const char *rest;
  41         int flag;
  42         unsigned int kind;
  43         const char *symref;
  44         struct commit *commit;
  45         struct atom_value *value;
  46         struct ahead_behind_count **counts;
  47
  48         char refname[FLEX_ARRAY];
  49 };
  50
  51 struct ref_array {
  52         int nr, alloc;
  53         struct ref_array_item **items;
  54         struct rev_info *revs;
  55
  56         struct ahead_behind_count *counts;
  57         size_t counts_nr;
  58 };
  59
  60 struct ref_filter {
  61         const char **name_patterns;
  62         struct oid_array points_at;
  63         struct commit_list *with_commit;
  64         struct commit_list *no_commit;
  65         struct commit_list *reachable_from;
  66         struct commit_list *unreachable_from;
  67
  68         unsigned int with_commit_tag_algo : 1,
  69                 match_as_path : 1,
  70                 ignore_case : 1,
  71                 detached : 1;
  72         unsigned int kind,
  73                 lines;
  74         int abbrev,
  75                 verbose;
  76 };
  77
  78 struct ref_format {
  79         /*
  80          * Set these to define the format; make sure you call
  81          * verify_ref_format() afterwards to finalize.
  82          */
  83         const char *format;
  84         const char *rest;
  85         int quote_style;
  86         int use_color;
  87
  88         /* Internal state to ref-filter */
  89         int need_color_reset_at_eol;
  90
  91         /* List of bases for ahead-behind counts. */
  92         struct string_list bases;
  93 };
  94
  95 #define REF_FILTER_INIT { \
  96         .points_at = OID_ARRAY_INIT, \
  97 }
  98 #define REF_FORMAT_INIT {             \
  99         .use_color = -1,              \
 100         .bases = STRING_LIST_INIT_DUP, \
 101 }
 102
 103 /*  Macros for checking --merged and --no-merged options */
 104 #define _OPT_MERGED_NO_MERGED(option, filter, h) \
 105         { OPTION_CALLBACK, 0, option, (filter), N_("commit"), (h), \
 106           PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, \
 107           parse_opt_merge_filter, (intptr_t) "HEAD" \
 108         }
 109 #define OPT_MERGED(f, h) _OPT_MERGED_NO_MERGED("merged", f, h)
 110 #define OPT_NO_MERGED(f, h) _OPT_MERGED_NO_MERGED("no-merged", f, h)
 111
 112 #define OPT_REF_SORT(var) \
 113         OPT_STRING_LIST(0, "sort", (var), \
 114                         N_("key"), N_("field name to sort on"))
 115
 116 /*
 117  * API for filtering a set of refs. Based on the type of refs the user
 118  * has requested, we iterate through those refs and apply filters
 119  * as per the given ref_filter structure and finally store the
 120  * filtered refs in the ref_array structure.
 121  */
 122 int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
 123 /*  Clear all memory allocated to ref_array */
 124 void ref_array_clear(struct ref_array *array);
 125 /*  Used to verify if the given format is correct and to parse out the used atoms */
 126 int verify_ref_format(struct ref_format *format);
 127 /*  Sort the given ref_array as per the ref_sorting provided */
 128 void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
 129 /*  Set REF_SORTING_* sort_flags for all elements of a sorting list */
 130 void ref_sorting_set_sort_flags_all(struct ref_sorting *sorting, unsigned int mask, int on);
 131 /*  Based on the given format and quote_style, fill the strbuf */
 132 int format_ref_array_item(struct ref_array_item *info,
 133                           struct ref_format *format,
 134                           struct strbuf *final_buf,
 135                           struct strbuf *error_buf);
 136 /* Release a "struct ref_sorting" */
 137 void ref_sorting_release(struct ref_sorting *);
 138 /*  Convert list of sort options into ref_sorting */
 139 struct ref_sorting *ref_sorting_options(struct string_list *);
 140 /*  Function to parse --merged and --no-merged options */
 141 int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
 142 /*  Get the current HEAD's description */
 143 char *get_head_description(void);
 144 /*  Set up translated strings in the output. */
 145 void setup_ref_filter_porcelain_msg(void);
 146
 147 /*
 148  * Print a single ref, outside of any ref-filter. Note that the
 149  * name must be a fully qualified refname.
 150  */
 151 void pretty_print_ref(const char *name, const struct object_id *oid,
 152                       struct ref_format *format);
 153
 154 /*
 155  * Push a single ref onto the array; this can be used to construct your own
 156  * ref_array without using filter_refs().
 157  */
 158 struct ref_array_item *ref_array_push(struct ref_array *array,
 159                                       const char *refname,
 160                                       const struct object_id *oid);
 161
 162 /*
 163  * If the provided format includes ahead-behind atoms, then compute the
 164  * ahead-behind values for the array of filtered references. Must be
 165  * called after filter_refs() but before outputting the formatted refs.
 166  *
 167  * If this is not called, then any ahead-behind atoms will be blank.
 168  */
 169 void filter_ahead_behind(struct repository *r,
 170                          struct ref_format *format,
 171                          struct ref_array *array);
 172
 173 #endif /*  REF_FILTER_H  */