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 #include "strvec.h"
  10
  11 /* Quoting styles */
  12 #define QUOTE_NONE 0
  13 #define QUOTE_SHELL 1
  14 #define QUOTE_PERL 2
  15 #define QUOTE_PYTHON 4
  16 #define QUOTE_TCL 8
  17
  18 #define FILTER_REFS_TAGS           0x0002
  19 #define FILTER_REFS_BRANCHES       0x0004
  20 #define FILTER_REFS_REMOTES        0x0008
  21 #define FILTER_REFS_OTHERS         0x0010
  22 #define FILTER_REFS_ALL            (FILTER_REFS_TAGS | FILTER_REFS_BRANCHES | \
  23                                     FILTER_REFS_REMOTES | FILTER_REFS_OTHERS)
  24 #define FILTER_REFS_DETACHED_HEAD  0x0020
  25 #define FILTER_REFS_KIND_MASK      (FILTER_REFS_ALL | FILTER_REFS_DETACHED_HEAD)
  26
  27 struct atom_value;
  28 struct ref_sorting;
  29 struct ahead_behind_count;
  30 struct option;
  31
  32 enum ref_sorting_order {
  33         REF_SORTING_REVERSE = 1<<0,
  34         REF_SORTING_ICASE = 1<<1,
  35         REF_SORTING_VERSION = 1<<2,
  36         REF_SORTING_DETACHED_HEAD_FIRST = 1<<3,
  37 };
  38
  39 struct ref_array_item {
  40         struct object_id objectname;
  41         const char *rest;
  42         int flag;
  43         unsigned int kind;
  44         const char *symref;
  45         struct commit *commit;
  46         struct atom_value *value;
  47         struct ahead_behind_count **counts;
  48
  49         char refname[FLEX_ARRAY];
  50 };
  51
  52 struct ref_array {
  53         int nr, alloc;
  54         struct ref_array_item **items;
  55         struct rev_info *revs;
  56
  57         struct ahead_behind_count *counts;
  58         size_t counts_nr;
  59 };
  60
  61 struct ref_filter {
  62         const char **name_patterns;
  63         struct strvec exclude;
  64         struct oid_array points_at;
  65         struct commit_list *with_commit;
  66         struct commit_list *no_commit;
  67         struct commit_list *reachable_from;
  68         struct commit_list *unreachable_from;
  69
  70         unsigned int with_commit_tag_algo : 1,
  71                 match_as_path : 1,
  72                 ignore_case : 1,
  73                 detached : 1;
  74         unsigned int kind,
  75                 lines;
  76         int abbrev,
  77                 verbose;
  78 };
  79
  80 struct ref_format {
  81         /*
  82          * Set these to define the format; make sure you call
  83          * verify_ref_format() afterwards to finalize.
  84          */
  85         const char *format;
  86         const char *rest;
  87         int quote_style;
  88         int use_color;
  89
  90         /* Internal state to ref-filter */
  91         int need_color_reset_at_eol;
  92
  93         /* List of bases for ahead-behind counts. */
  94         struct string_list bases;
  95 };
  96
  97 #define REF_FILTER_INIT { \
  98         .points_at = OID_ARRAY_INIT, \
  99         .exclude = STRVEC_INIT, \
 100 }
 101 #define REF_FORMAT_INIT {             \
 102         .use_color = -1,              \
 103         .bases = STRING_LIST_INIT_DUP, \
 104 }
 105
 106 /*  Macros for checking --merged and --no-merged options */
 107 #define _OPT_MERGED_NO_MERGED(option, filter, h) \
 108         { OPTION_CALLBACK, 0, option, (filter), N_("commit"), (h), \
 109           PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, \
 110           parse_opt_merge_filter, (intptr_t) "HEAD" \
 111         }
 112 #define OPT_MERGED(f, h) _OPT_MERGED_NO_MERGED("merged", f, h)
 113 #define OPT_NO_MERGED(f, h) _OPT_MERGED_NO_MERGED("no-merged", f, h)
 114
 115 #define OPT_REF_SORT(var) \
 116         OPT_STRING_LIST(0, "sort", (var), \
 117                         N_("key"), N_("field name to sort on"))
 118 #define OPT_REF_FILTER_EXCLUDE(var) \
 119         OPT_STRVEC(0, "exclude", &(var)->exclude, \
 120                    N_("pattern"), N_("exclude refs which match pattern"))
 121
 122 /*
 123  * API for filtering a set of refs. Based on the type of refs the user
 124  * has requested, we iterate through those refs and apply filters
 125  * as per the given ref_filter structure and finally store the
 126  * filtered refs in the ref_array structure.
 127  */
 128 int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
 129 /*  Clear all memory allocated to ref_array */
 130 void ref_array_clear(struct ref_array *array);
 131 /*  Used to verify if the given format is correct and to parse out the used atoms */
 132 int verify_ref_format(struct ref_format *format);
 133 /*  Sort the given ref_array as per the ref_sorting provided */
 134 void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
 135 /*  Set REF_SORTING_* sort_flags for all elements of a sorting list */
 136 void ref_sorting_set_sort_flags_all(struct ref_sorting *sorting, unsigned int mask, int on);
 137 /*  Based on the given format and quote_style, fill the strbuf */
 138 int format_ref_array_item(struct ref_array_item *info,
 139                           struct ref_format *format,
 140                           struct strbuf *final_buf,
 141                           struct strbuf *error_buf);
 142 /* Release a "struct ref_sorting" */
 143 void ref_sorting_release(struct ref_sorting *);
 144 /*  Convert list of sort options into ref_sorting */
 145 struct ref_sorting *ref_sorting_options(struct string_list *);
 146 /*  Function to parse --merged and --no-merged options */
 147 int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
 148 /*  Get the current HEAD's description */
 149 char *get_head_description(void);
 150 /*  Set up translated strings in the output. */
 151 void setup_ref_filter_porcelain_msg(void);
 152
 153 /*
 154  * Print a single ref, outside of any ref-filter. Note that the
 155  * name must be a fully qualified refname.
 156  */
 157 void pretty_print_ref(const char *name, const struct object_id *oid,
 158                       struct ref_format *format);
 159
 160 /*
 161  * Push a single ref onto the array; this can be used to construct your own
 162  * ref_array without using filter_refs().
 163  */
 164 struct ref_array_item *ref_array_push(struct ref_array *array,
 165                                       const char *refname,
 166                                       const struct object_id *oid);
 167
 168 /*
 169  * If the provided format includes ahead-behind atoms, then compute the
 170  * ahead-behind values for the array of filtered references. Must be
 171  * called after filter_refs() but before outputting the formatted refs.
 172  *
 173  * If this is not called, then any ahead-behind atoms will be blank.
 174  */
 175 void filter_ahead_behind(struct repository *r,
 176                          struct ref_format *format,
 177                          struct ref_array *array);
 178
 179 void ref_filter_init(struct ref_filter *filter);
 180 void ref_filter_clear(struct ref_filter *filter);
 181
 182 #endif /*  REF_FILTER_H  */