include/tig/types.h

   1 /* Copyright (c) 2006-2014 Jonas Fonseca <jonas.fonseca@gmail.com>
   2  *
   3  * This program is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU General Public License as
   5  * published by the Free Software Foundation; either version 2 of
   6  * the License, or (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef TIG_TYPES_H
  15 #define TIG_TYPES_H
  16
  17 #include "tig/tig.h"
  18
  19 /*
  20  * Enumerations
  21  */
  22
  23 struct enum_map_entry {
  24         const char *name;
  25         int namelen;
  26         int value;
  27 };
  28
  29 struct enum_map {
  30         const struct enum_map_entry *entries;
  31         const int size;
  32 };
  33
  34 int string_enum_compare(const char *str1, const char *str2, int len);
  35
  36 #define enum_equals(entry, str, len) \
  37         ((entry).namelen == (len) && !string_enum_compare((entry).name, str, len))
  38
  39 #define enum_equals_static(str, name, namelen) \
  40         (namelen == STRING_SIZE(str) && !string_enum_compare(str, name, namelen))
  41
  42 const char *enum_name(const char *name);
  43 bool enum_name_copy(char *buf, size_t bufsize, const char *name);
  44 bool enum_name_prefixed(char buf[], size_t bufsize, const char *prefix, const char *name);
  45
  46 const struct enum_map *find_enum_map(const char *type);
  47
  48 bool map_enum_do(const struct enum_map_entry *map, size_t map_size, int *value, const char *name);
  49
  50 #define map_enum(attr, map, name) \
  51         map_enum_do(map, ARRAY_SIZE(map), attr, name)
  52
  53 #define ENUM_MAP_ENTRY(name, value) { name, STRING_SIZE(name), value }
  54
  55 #define ENUM_SYM_MACRO(prefix, name)    prefix##_##name
  56 #define ENUM_MAP_MACRO(prefix, name)    ENUM_MAP_ENTRY(#name, ENUM_SYM_MACRO(prefix, name))
  57
  58 #define DEFINE_ENUM(name, info) \
  59         enum name { info(ENUM_SYM_MACRO) }; \
  60         extern const struct enum_map name##_map[];
  61
  62 #define DEFINE_ENUM_MAP(name, info) \
  63         const struct enum_map_entry name##_map_entries[] = { info(ENUM_MAP_MACRO) }; \
  64         const struct enum_map name##_map[] = { { name##_map_entries, ARRAY_SIZE(name##_map_entries) } }
  65
  66 #define VERTICAL_SPLIT_ENUM(_) \
  67         _(VERTICAL_SPLIT, HORIZONTAL), \
  68         _(VERTICAL_SPLIT, VERTICAL), \
  69         _(VERTICAL_SPLIT, AUTO)
  70
  71 #define GRAPHIC_ENUM(_) \
  72         _(GRAPHIC, ASCII), \
  73         _(GRAPHIC, DEFAULT), \
  74         _(GRAPHIC, UTF_8)
  75
  76 #define DATE_ENUM(_) \
  77         _(DATE, NO), \
  78         _(DATE, DEFAULT), \
  79         _(DATE, LOCAL), \
  80         _(DATE, RELATIVE), \
  81         _(DATE, SHORT)
  82
  83 #define FILE_SIZE_ENUM(_) \
  84         _(FILE_SIZE, NO), \
  85         _(FILE_SIZE, DEFAULT), \
  86         _(FILE_SIZE, UNITS)
  87
  88 #define AUTHOR_ENUM(_) \
  89         _(AUTHOR, NO), \
  90         _(AUTHOR, FULL), \
  91         _(AUTHOR, ABBREVIATED), \
  92         _(AUTHOR, EMAIL), \
  93         _(AUTHOR, EMAIL_USER)
  94
  95 #define FILENAME_ENUM(_) \
  96         _(FILENAME, NO), \
  97         _(FILENAME, AUTO), \
  98         _(FILENAME, ALWAYS)
  99
 100 #define IGNORE_SPACE_ENUM(_) \
 101         _(IGNORE_SPACE, NO), \
 102         _(IGNORE_SPACE, ALL), \
 103         _(IGNORE_SPACE, SOME), \
 104         _(IGNORE_SPACE, AT_EOL)
 105
 106 #define COMMIT_ORDER_ENUM(_) \
 107         _(COMMIT_ORDER, DEFAULT), \
 108         _(COMMIT_ORDER, TOPO), \
 109         _(COMMIT_ORDER, DATE), \
 110         _(COMMIT_ORDER, AUTHOR_DATE), \
 111         _(COMMIT_ORDER, REVERSE)
 112
 113 #define VIEW_COLUMN_ENUM(_) \
 114         _(VIEW_COLUMN, AUTHOR), \
 115         _(VIEW_COLUMN, COMMIT_TITLE), \
 116         _(VIEW_COLUMN, DATE), \
 117         _(VIEW_COLUMN, FILE_NAME), \
 118         _(VIEW_COLUMN, FILE_SIZE), \
 119         _(VIEW_COLUMN, ID), \
 120         _(VIEW_COLUMN, LINE_NUMBER), \
 121         _(VIEW_COLUMN, MODE), \
 122         _(VIEW_COLUMN, REF), \
 123         _(VIEW_COLUMN, SECTION), \
 124         _(VIEW_COLUMN, STATUS), \
 125         _(VIEW_COLUMN, TEXT)
 126
 127 #define REFERENCE_ENUM(_) \
 128         _(REFERENCE, HEAD), \
 129         _(REFERENCE, BRANCH), \
 130         _(REFERENCE, TRACKED_REMOTE), \
 131         _(REFERENCE, REMOTE), \
 132         _(REFERENCE, TAG), \
 133         _(REFERENCE, LOCAL_TAG), \
 134         _(REFERENCE, REPLACE), \
 135
 136 #define STATUS_LABEL_ENUM(_) \
 137         _(STATUS_LABEL, NO), \
 138         _(STATUS_LABEL, SHORT), \
 139         _(STATUS_LABEL, LONG), \
 140
 141 #define REFRESH_MODE_ENUM(_) \
 142         _(REFRESH_MODE, MANUEL), \
 143         _(REFRESH_MODE, AUTO), \
 144         _(REFRESH_MODE, ON_RETURN), \
 145         _(REFRESH_MODE, PERIODIC), \
 146
 147 #define ENUM_INFO(_) \
 148         _(author, AUTHOR_ENUM) \
 149         _(commit_order, COMMIT_ORDER_ENUM) \
 150         _(date, DATE_ENUM) \
 151         _(file_size, FILE_SIZE_ENUM) \
 152         _(filename, FILENAME_ENUM) \
 153         _(graphic, GRAPHIC_ENUM) \
 154         _(ignore_space, IGNORE_SPACE_ENUM) \
 155         _(vertical_split, VERTICAL_SPLIT_ENUM) \
 156         _(view_column_type, VIEW_COLUMN_ENUM) \
 157         _(reference_type, REFERENCE_ENUM) \
 158         _(refresh_mode, REFRESH_MODE_ENUM) \
 159         _(status_label, STATUS_LABEL_ENUM) \
 160
 161 #define DEFINE_ENUMS(name, macro) DEFINE_ENUM(name, macro);
 162 ENUM_INFO(DEFINE_ENUMS);
 163
 164 #endif
 165 /* vim: set ts=8 sw=8 noexpandtab: */