| 1 | /* Copyright (C) 1995-1998, 2000, 2001 Free Software Foundation, Inc. |
| 2 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or modify it |
| 5 | under the terms of the GNU Library General Public License as published |
| 6 | by the Free Software Foundation; either version 2, or (at your option) |
| 7 | any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Library General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Library General Public |
| 15 | License along with this program; if not, write to the Free Software |
| 16 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, |
| 17 | USA. */ |
| 18 | |
| 19 | #ifdef HAVE_CONFIG_H |
| 20 | # include <config.h> |
| 21 | #endif |
| 22 | |
| 23 | #include <stdlib.h> |
| 24 | #include <string.h> |
| 25 | #include <sys/types.h> |
| 26 | |
| 27 | #include "loadinfo.h" |
| 28 | |
| 29 | /* On some strange systems still no definition of NULL is found. Sigh! */ |
| 30 | #ifndef NULL |
| 31 | # if defined __STDC__ && __STDC__ |
| 32 | # define NULL ((void *) 0) |
| 33 | # else |
| 34 | # define NULL 0 |
| 35 | # endif |
| 36 | #endif |
| 37 | |
| 38 | /* @@ end of prolog @@ */ |
| 39 | |
| 40 | char * |
| 41 | _nl_find_language (name) |
| 42 | const char *name; |
| 43 | { |
| 44 | while (name[0] != '\0' && name[0] != '_' && name[0] != '@' |
| 45 | && name[0] != '+' && name[0] != ',') |
| 46 | ++name; |
| 47 | |
| 48 | return (char *) name; |
| 49 | } |
| 50 | |
| 51 | |
| 52 | int |
| 53 | _nl_explode_name (name, language, modifier, territory, codeset, |
| 54 | normalized_codeset, special, sponsor, revision) |
| 55 | char *name; |
| 56 | const char **language; |
| 57 | const char **modifier; |
| 58 | const char **territory; |
| 59 | const char **codeset; |
| 60 | const char **normalized_codeset; |
| 61 | const char **special; |
| 62 | const char **sponsor; |
| 63 | const char **revision; |
| 64 | { |
| 65 | enum { undecided, xpg, cen } syntax; |
| 66 | char *cp; |
| 67 | int mask; |
| 68 | |
| 69 | *modifier = NULL; |
| 70 | *territory = NULL; |
| 71 | *codeset = NULL; |
| 72 | *normalized_codeset = NULL; |
| 73 | *special = NULL; |
| 74 | *sponsor = NULL; |
| 75 | *revision = NULL; |
| 76 | |
| 77 | /* Now we determine the single parts of the locale name. First |
| 78 | look for the language. Termination symbols are `_' and `@' if |
| 79 | we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */ |
| 80 | mask = 0; |
| 81 | syntax = undecided; |
| 82 | *language = cp = name; |
| 83 | cp = _nl_find_language (*language); |
| 84 | |
| 85 | if (*language == cp) |
| 86 | /* This does not make sense: language has to be specified. Use |
| 87 | this entry as it is without exploding. Perhaps it is an alias. */ |
| 88 | cp = strchr (*language, '\0'); |
| 89 | else if (cp[0] == '_') |
| 90 | { |
| 91 | /* Next is the territory. */ |
| 92 | cp[0] = '\0'; |
| 93 | *territory = ++cp; |
| 94 | |
| 95 | while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@' |
| 96 | && cp[0] != '+' && cp[0] != ',' && cp[0] != '_') |
| 97 | ++cp; |
| 98 | |
| 99 | mask |= TERRITORY; |
| 100 | |
| 101 | if (cp[0] == '.') |
| 102 | { |
| 103 | /* Next is the codeset. */ |
| 104 | syntax = xpg; |
| 105 | cp[0] = '\0'; |
| 106 | *codeset = ++cp; |
| 107 | |
| 108 | while (cp[0] != '\0' && cp[0] != '@') |
| 109 | ++cp; |
| 110 | |
| 111 | mask |= XPG_CODESET; |
| 112 | |
| 113 | if (*codeset != cp && (*codeset)[0] != '\0') |
| 114 | { |
| 115 | *normalized_codeset = _nl_normalize_codeset (*codeset, |
| 116 | cp - *codeset); |
| 117 | if (strcmp (*codeset, *normalized_codeset) == 0) |
| 118 | free ((char *) *normalized_codeset); |
| 119 | else |
| 120 | mask |= XPG_NORM_CODESET; |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | if (cp[0] == '@' || (syntax != xpg && cp[0] == '+')) |
| 126 | { |
| 127 | /* Next is the modifier. */ |
| 128 | syntax = cp[0] == '@' ? xpg : cen; |
| 129 | cp[0] = '\0'; |
| 130 | *modifier = ++cp; |
| 131 | |
| 132 | while (syntax == cen && cp[0] != '\0' && cp[0] != '+' |
| 133 | && cp[0] != ',' && cp[0] != '_') |
| 134 | ++cp; |
| 135 | |
| 136 | mask |= XPG_MODIFIER | CEN_AUDIENCE; |
| 137 | } |
| 138 | |
| 139 | if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_')) |
| 140 | { |
| 141 | syntax = cen; |
| 142 | |
| 143 | if (cp[0] == '+') |
| 144 | { |
| 145 | /* Next is special application (CEN syntax). */ |
| 146 | cp[0] = '\0'; |
| 147 | *special = ++cp; |
| 148 | |
| 149 | while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_') |
| 150 | ++cp; |
| 151 | |
| 152 | mask |= CEN_SPECIAL; |
| 153 | } |
| 154 | |
| 155 | if (cp[0] == ',') |
| 156 | { |
| 157 | /* Next is sponsor (CEN syntax). */ |
| 158 | cp[0] = '\0'; |
| 159 | *sponsor = ++cp; |
| 160 | |
| 161 | while (cp[0] != '\0' && cp[0] != '_') |
| 162 | ++cp; |
| 163 | |
| 164 | mask |= CEN_SPONSOR; |
| 165 | } |
| 166 | |
| 167 | if (cp[0] == '_') |
| 168 | { |
| 169 | /* Next is revision (CEN syntax). */ |
| 170 | cp[0] = '\0'; |
| 171 | *revision = ++cp; |
| 172 | |
| 173 | mask |= CEN_REVISION; |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | /* For CEN syntax values it might be important to have the |
| 178 | separator character in the file name, not for XPG syntax. */ |
| 179 | if (syntax == xpg) |
| 180 | { |
| 181 | if (*territory != NULL && (*territory)[0] == '\0') |
| 182 | mask &= ~TERRITORY; |
| 183 | |
| 184 | if (*codeset != NULL && (*codeset)[0] == '\0') |
| 185 | mask &= ~XPG_CODESET; |
| 186 | |
| 187 | if (*modifier != NULL && (*modifier)[0] == '\0') |
| 188 | mask &= ~XPG_MODIFIER; |
| 189 | } |
| 190 | |
| 191 | return mask; |
| 192 | } |