comparison: intl/explodename.c
intl/explodename.c
- changeset 347
- 20fdc56f4da4
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| 346:41b0f444e5a3 | 347:20fdc56f4da4 |
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| 1 /* Copyright (C) 1995, 1996, 1997, 1998 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 | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 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 | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
| 15 along with this program; if not, write to the Free Software Foundation, | |
| 16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 17 | |
| 18 #ifdef HAVE_CONFIG_H | |
| 19 # include <config.h> | |
| 20 #endif | |
| 21 | |
| 22 #if defined STDC_HEADERS || defined _LIBC | |
| 23 # include <stdlib.h> | |
| 24 #endif | |
| 25 | |
| 26 #if defined HAVE_STRING_H || defined _LIBC | |
| 27 # include <string.h> | |
| 28 #else | |
| 29 # include <strings.h> | |
| 30 #endif | |
| 31 #include <sys/types.h> | |
| 32 | |
| 33 #include "loadinfo.h" | |
| 34 | |
| 35 /* On some strange systems still no definition of NULL is found. Sigh! */ | |
| 36 #ifndef NULL | |
| 37 # if defined __STDC__ && __STDC__ | |
| 38 # define NULL ((void *) 0) | |
| 39 # else | |
| 40 # define NULL 0 | |
| 41 # endif | |
| 42 #endif | |
| 43 | |
| 44 /* @@ end of prolog @@ */ | |
| 45 | |
| 46 char * | |
| 47 _nl_find_language (name) | |
| 48 const char *name; | |
| 49 { | |
| 50 while (name[0] != '\0' && name[0] != '_' && name[0] != '@' | |
| 51 && name[0] != '+' && name[0] != ',') | |
| 52 ++name; | |
| 53 | |
| 54 return (char *) name; | |
| 55 } | |
| 56 | |
| 57 | |
| 58 int | |
| 59 _nl_explode_name (name, language, modifier, territory, codeset, | |
| 60 normalized_codeset, special, sponsor, revision) | |
| 61 char *name; | |
| 62 const char **language; | |
| 63 const char **modifier; | |
| 64 const char **territory; | |
| 65 const char **codeset; | |
| 66 const char **normalized_codeset; | |
| 67 const char **special; | |
| 68 const char **sponsor; | |
| 69 const char **revision; | |
| 70 { | |
| 71 enum { undecided, xpg, cen } syntax; | |
| 72 char *cp; | |
| 73 int mask; | |
| 74 | |
| 75 *modifier = NULL; | |
| 76 *territory = NULL; | |
| 77 *codeset = NULL; | |
| 78 *normalized_codeset = NULL; | |
| 79 *special = NULL; | |
| 80 *sponsor = NULL; | |
| 81 *revision = NULL; | |
| 82 | |
| 83 /* Now we determine the single parts of the locale name. First | |
| 84 look for the language. Termination symbols are `_' and `@' if | |
| 85 we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */ | |
| 86 mask = 0; | |
| 87 syntax = undecided; | |
| 88 *language = cp = name; | |
| 89 cp = _nl_find_language (*language); | |
| 90 | |
| 91 if (*language == cp) | |
| 92 /* This does not make sense: language has to be specified. Use | |
| 93 this entry as it is without exploding. Perhaps it is an alias. */ | |
| 94 cp = strchr (*language, '\0'); | |
| 95 else if (cp[0] == '_') | |
| 96 { | |
| 97 /* Next is the territory. */ | |
| 98 cp[0] = '\0'; | |
| 99 *territory = ++cp; | |
| 100 | |
| 101 while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@' | |
| 102 && cp[0] != '+' && cp[0] != ',' && cp[0] != '_') | |
| 103 ++cp; | |
| 104 | |
| 105 mask |= TERRITORY; | |
| 106 | |
| 107 if (cp[0] == '.') | |
| 108 { | |
| 109 /* Next is the codeset. */ | |
| 110 syntax = xpg; | |
| 111 cp[0] = '\0'; | |
| 112 *codeset = ++cp; | |
| 113 | |
| 114 while (cp[0] != '\0' && cp[0] != '@') | |
| 115 ++cp; | |
| 116 | |
| 117 mask |= XPG_CODESET; | |
| 118 | |
| 119 if (*codeset != cp && (*codeset)[0] != '\0') | |
| 120 { | |
| 121 *normalized_codeset = _nl_normalize_codeset (*codeset, | |
| 122 cp - *codeset); | |
| 123 if (strcmp (*codeset, *normalized_codeset) == 0) | |
| 124 free ((char *) *normalized_codeset); | |
| 125 else | |
| 126 mask |= XPG_NORM_CODESET; | |
| 127 } | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 if (cp[0] == '@' || (syntax != xpg && cp[0] == '+')) | |
| 132 { | |
| 133 /* Next is the modifier. */ | |
| 134 syntax = cp[0] == '@' ? xpg : cen; | |
| 135 cp[0] = '\0'; | |
| 136 *modifier = ++cp; | |
| 137 | |
| 138 while (syntax == cen && cp[0] != '\0' && cp[0] != '+' | |
| 139 && cp[0] != ',' && cp[0] != '_') | |
| 140 ++cp; | |
| 141 | |
| 142 mask |= XPG_MODIFIER | CEN_AUDIENCE; | |
| 143 } | |
| 144 | |
| 145 if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_')) | |
| 146 { | |
| 147 syntax = cen; | |
| 148 | |
| 149 if (cp[0] == '+') | |
| 150 { | |
| 151 /* Next is special application (CEN syntax). */ | |
| 152 cp[0] = '\0'; | |
| 153 *special = ++cp; | |
| 154 | |
| 155 while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_') | |
| 156 ++cp; | |
| 157 | |
| 158 mask |= CEN_SPECIAL; | |
| 159 } | |
| 160 | |
| 161 if (cp[0] == ',') | |
| 162 { | |
| 163 /* Next is sponsor (CEN syntax). */ | |
| 164 cp[0] = '\0'; | |
| 165 *sponsor = ++cp; | |
| 166 | |
| 167 while (cp[0] != '\0' && cp[0] != '_') | |
| 168 ++cp; | |
| 169 | |
| 170 mask |= CEN_SPONSOR; | |
| 171 } | |
| 172 | |
| 173 if (cp[0] == '_') | |
| 174 { | |
| 175 /* Next is revision (CEN syntax). */ | |
| 176 cp[0] = '\0'; | |
| 177 *revision = ++cp; | |
| 178 | |
| 179 mask |= CEN_REVISION; | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 /* For CEN syntax values it might be important to have the | |
| 184 separator character in the file name, not for XPG syntax. */ | |
| 185 if (syntax == xpg) | |
| 186 { | |
| 187 if (*territory != NULL && (*territory)[0] == '\0') | |
| 188 mask &= ~TERRITORY; | |
| 189 | |
| 190 if (*codeset != NULL && (*codeset)[0] == '\0') | |
| 191 mask &= ~XPG_CODESET; | |
| 192 | |
| 193 if (*modifier != NULL && (*modifier)[0] == '\0') | |
| 194 mask &= ~XPG_MODIFIER; | |
| 195 } | |
| 196 | |
| 197 return mask; | |
| 198 } |
