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