ref-filter.h

   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 0x0001
  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
  28 struct ref_sorting {
  29         struct ref_sorting *next;
  30         int atom; /* index into used_atom array (internal) */
  31         unsigned reverse : 1,
  32                 ignore_case : 1,
  33                 version : 1;
  34 };
  35
  36 struct ref_array_item {
  37         struct object_id objectname;
  38         int flag;
  39         unsigned int kind;
  40         const char *symref;
  41         struct commit *commit;
  42         struct atom_value *value;
  43         char refname[FLEX_ARRAY];
  44 };
  45
  46 struct ref_array {
  47         int nr, alloc;
  48         struct ref_array_item **items;
  49         struct rev_info *revs;
  50 };
  51
  52 struct ref_filter {
  53         const char **name_patterns;
  54         struct oid_array points_at;
  55         struct commit_list *with_commit;
  56         struct commit_list *no_commit;
  57
  58         enum {
  59                 REF_FILTER_MERGED_NONE = 0,
  60                 REF_FILTER_MERGED_INCLUDE,
  61                 REF_FILTER_MERGED_OMIT
  62         } merge;
  63         struct commit *merge_commit;
  64
  65         unsigned int with_commit_tag_algo : 1,
  66                 match_as_path : 1,
  67                 ignore_case : 1,
  68                 detached : 1;
  69         unsigned int kind,
  70                 lines;
  71         int abbrev,
  72                 verbose;
  73 };
  74
  75 struct ref_format {
  76         /*
  77          * Set these to define the format; make sure you call
  78          * verify_ref_format() afterwards to finalize.
  79          */
  80         const char *format;
  81         int quote_style;
  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 { NULL, 0, -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 /*
 100  * API for filtering a set of refs. Based on the type of refs the user
 101  * has requested, we iterate through those refs and apply filters
 102  * as per the given ref_filter structure and finally store the
 103  * filtered refs in the ref_array structure.
 104  */
 105 int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
 106 /*  Clear all memory allocated to ref_array */
 107 void ref_array_clear(struct ref_array *array);
 108 /*  Used to verify if the given format is correct and to parse out the used atoms */
 109 int verify_ref_format(struct ref_format *format);
 110 /*  Sort the given ref_array as per the ref_sorting provided */
 111 void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
 112 /*  Based on the given format and quote_style, fill the strbuf */
 113 int format_ref_array_item(struct ref_array_item *info,
 114                           const struct ref_format *format,
 115                           struct strbuf *final_buf,
 116                           struct strbuf *error_buf);
 117 /*  Print the ref using the given format and quote_style */
 118 void show_ref_array_item(struct ref_array_item *info, const struct ref_format *format);
 119 /*  Parse a single sort specifier and add it to the list */
 120 void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *atom);
 121 /*  Callback function for parsing the sort option */
 122 int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
 123 /*  Default sort option based on refname */
 124 struct ref_sorting *ref_default_sorting(void);
 125 /*  Function to parse --merged and --no-merged options */
 126 int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
 127 /*  Get the current HEAD's description */
 128 char *get_head_description(void);
 129 /*  Set up translated strings in the output. */
 130 void setup_ref_filter_porcelain_msg(void);
 131
 132 /*
 133  * Print a single ref, outside of any ref-filter. Note that the
 134  * name must be a fully qualified refname.
 135  */
 136 void pretty_print_ref(const char *name, const struct object_id *oid,
 137                       const struct ref_format *format);
 138
 139 /*
 140  * Push a single ref onto the array; this can be used to construct your own
 141  * ref_array without using filter_refs().
 142  */
 143 struct ref_array_item *ref_array_push(struct ref_array *array,
 144                                       const char *refname,
 145                                       const struct object_id *oid);
 146
 147 #endif /*  REF_FILTER_H  */