ref-filter.h

   1 #ifndef REF_FILTER_H
   2 #define REF_FILTER_H
   3
   4 #include "oid-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_TAGS           0x0002
  17 #define FILTER_REFS_BRANCHES       0x0004
  18 #define FILTER_REFS_REMOTES        0x0008
  19 #define FILTER_REFS_OTHERS         0x0010
  20 #define FILTER_REFS_ALL            (FILTER_REFS_TAGS | FILTER_REFS_BRANCHES | \
  21                                     FILTER_REFS_REMOTES | FILTER_REFS_OTHERS)
  22 #define FILTER_REFS_DETACHED_HEAD  0x0020
  23 #define FILTER_REFS_KIND_MASK      (FILTER_REFS_ALL | FILTER_REFS_DETACHED_HEAD)
  24
  25 struct atom_value;
  26
  27 struct ref_sorting {
  28         struct ref_sorting *next;
  29         int atom; /* index into used_atom array (internal) */
  30         enum {
  31                 REF_SORTING_REVERSE = 1<<0,
  32                 REF_SORTING_ICASE = 1<<1,
  33                 REF_SORTING_VERSION = 1<<2,
  34                 REF_SORTING_DETACHED_HEAD_FIRST = 1<<3,
  35         } sort_flags;
  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         char refname[FLEX_ARRAY];
  47 };
  48
  49 struct ref_array {
  50         int nr, alloc;
  51         struct ref_array_item **items;
  52         struct rev_info *revs;
  53 };
  54
  55 struct ref_filter {
  56         const char **name_patterns;
  57         struct oid_array points_at;
  58         struct commit_list *with_commit;
  59         struct commit_list *no_commit;
  60         struct commit_list *reachable_from;
  61         struct commit_list *unreachable_from;
  62
  63         unsigned int with_commit_tag_algo : 1,
  64                 match_as_path : 1,
  65                 ignore_case : 1,
  66                 detached : 1;
  67         unsigned int kind,
  68                 lines;
  69         int abbrev,
  70                 verbose;
  71 };
  72
  73 struct ref_format {
  74         /*
  75          * Set these to define the format; make sure you call
  76          * verify_ref_format() afterwards to finalize.
  77          */
  78         const char *format;
  79         const char *rest;
  80         int quote_style;
  81         int use_rest;
  82         int use_color;
  83
  84         /* Internal state to ref-filter */
  85         int need_color_reset_at_eol;
  86 };
  87
  88 #define REF_FORMAT_INIT { .use_color = -1 }
  89
  90 /*  Macros for checking --merged and --no-merged options */
  91 #define _OPT_MERGED_NO_MERGED(option, filter, h) \
  92         { OPTION_CALLBACK, 0, option, (filter), N_("commit"), (h), \
  93           PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, \
  94           parse_opt_merge_filter, (intptr_t) "HEAD" \
  95         }
  96 #define OPT_MERGED(f, h) _OPT_MERGED_NO_MERGED("merged", f, h)
  97 #define OPT_NO_MERGED(f, h) _OPT_MERGED_NO_MERGED("no-merged", f, h)
  98
  99 #define OPT_REF_SORT(var) \
 100         OPT_CALLBACK_F(0, "sort", (var), \
 101                        N_("key"), N_("field name to sort on"), \
 102                        PARSE_OPT_NONEG, parse_opt_ref_sorting)
 103
 104 /*
 105  * API for filtering a set of refs. Based on the type of refs the user
 106  * has requested, we iterate through those refs and apply filters
 107  * as per the given ref_filter structure and finally store the
 108  * filtered refs in the ref_array structure.
 109  */
 110 int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
 111 /*  Clear all memory allocated to ref_array */
 112 void ref_array_clear(struct ref_array *array);
 113 /*  Used to verify if the given format is correct and to parse out the used atoms */
 114 int verify_ref_format(struct ref_format *format);
 115 /*  Sort the given ref_array as per the ref_sorting provided */
 116 void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
 117 /*  Set REF_SORTING_* sort_flags for all elements of a sorting list */
 118 void ref_sorting_set_sort_flags_all(struct ref_sorting *sorting, unsigned int mask, int on);
 119 /*  Based on the given format and quote_style, fill the strbuf */
 120 int format_ref_array_item(struct ref_array_item *info,
 121                           struct ref_format *format,
 122                           struct strbuf *final_buf,
 123                           struct strbuf *error_buf);
 124 /*  Parse a single sort specifier and add it to the list */
 125 void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *atom);
 126 /*  Callback function for parsing the sort option */
 127 int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
 128 /*  Default sort option based on refname */
 129 struct ref_sorting *ref_default_sorting(void);
 130 /*  Function to parse --merged and --no-merged options */
 131 int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
 132 /*  Get the current HEAD's description */
 133 char *get_head_description(void);
 134 /*  Set up translated strings in the output. */
 135 void setup_ref_filter_porcelain_msg(void);
 136
 137 /*
 138  * Print a single ref, outside of any ref-filter. Note that the
 139  * name must be a fully qualified refname.
 140  */
 141 void pretty_print_ref(const char *name, const struct object_id *oid,
 142                       struct ref_format *format);
 143
 144 /*
 145  * Push a single ref onto the array; this can be used to construct your own
 146  * ref_array without using filter_refs().
 147  */
 148 struct ref_array_item *ref_array_push(struct ref_array *array,
 149                                       const char *refname,
 150                                       const struct object_id *oid);
 151
 152 #endif /*  REF_FILTER_H  */