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252b5132 RH |
1 | /* Copyright (C) 1995, 1996, 1997 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 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <sys/types.h> | |
25 | ||
26 | #include "loadinfo.h" | |
27 | ||
28 | /* On some strange systems still no definition of NULL is found. Sigh! */ | |
29 | #ifndef NULL | |
30 | # if defined __STDC__ && __STDC__ | |
31 | # define NULL ((void *) 0) | |
32 | # else | |
33 | # define NULL 0 | |
34 | # endif | |
35 | #endif | |
36 | ||
37 | /* @@ end of prolog @@ */ | |
38 | ||
39 | int | |
40 | _nl_explode_name (name, language, modifier, territory, codeset, | |
41 | normalized_codeset, special, sponsor, revision) | |
42 | char *name; | |
43 | const char **language; | |
44 | const char **modifier; | |
45 | const char **territory; | |
46 | const char **codeset; | |
47 | const char **normalized_codeset; | |
48 | const char **special; | |
49 | const char **sponsor; | |
50 | const char **revision; | |
51 | { | |
52 | enum { undecided, xpg, cen } syntax; | |
53 | char *cp; | |
54 | int mask; | |
55 | ||
56 | *modifier = NULL; | |
57 | *territory = NULL; | |
58 | *codeset = NULL; | |
59 | *normalized_codeset = NULL; | |
60 | *special = NULL; | |
61 | *sponsor = NULL; | |
62 | *revision = NULL; | |
63 | ||
64 | /* Now we determine the single parts of the locale name. First | |
65 | look for the language. Termination symbols are `_' and `@' if | |
66 | we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */ | |
67 | mask = 0; | |
68 | syntax = undecided; | |
69 | *language = cp = name; | |
70 | while (cp[0] != '\0' && cp[0] != '_' && cp[0] != '@' | |
71 | && cp[0] != '+' && cp[0] != ',') | |
72 | ++cp; | |
73 | ||
74 | if (*language == cp) | |
75 | /* This does not make sense: language has to be specified. Use | |
76 | this entry as it is without exploding. Perhaps it is an alias. */ | |
77 | cp = strchr (*language, '\0'); | |
78 | else if (cp[0] == '_') | |
79 | { | |
80 | /* Next is the territory. */ | |
81 | cp[0] = '\0'; | |
82 | *territory = ++cp; | |
83 | ||
84 | while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@' | |
85 | && cp[0] != '+' && cp[0] != ',' && cp[0] != '_') | |
86 | ++cp; | |
87 | ||
88 | mask |= TERRITORY; | |
89 | ||
90 | if (cp[0] == '.') | |
91 | { | |
92 | /* Next is the codeset. */ | |
93 | syntax = xpg; | |
94 | cp[0] = '\0'; | |
95 | *codeset = ++cp; | |
96 | ||
97 | while (cp[0] != '\0' && cp[0] != '@') | |
98 | ++cp; | |
99 | ||
100 | mask |= XPG_CODESET; | |
101 | ||
102 | if (*codeset != cp && (*codeset)[0] != '\0') | |
103 | { | |
104 | *normalized_codeset = _nl_normalize_codeset (*codeset, | |
105 | cp - *codeset); | |
106 | if (strcmp (*codeset, *normalized_codeset) == 0) | |
107 | free ((char *) *normalized_codeset); | |
108 | else | |
109 | mask |= XPG_NORM_CODESET; | |
110 | } | |
111 | } | |
112 | } | |
113 | ||
114 | if (cp[0] == '@' || (syntax != xpg && cp[0] == '+')) | |
115 | { | |
116 | /* Next is the modifier. */ | |
117 | syntax = cp[0] == '@' ? xpg : cen; | |
118 | cp[0] = '\0'; | |
119 | *modifier = ++cp; | |
120 | ||
121 | while (syntax == cen && cp[0] != '\0' && cp[0] != '+' | |
122 | && cp[0] != ',' && cp[0] != '_') | |
123 | ++cp; | |
124 | ||
125 | mask |= XPG_MODIFIER | CEN_AUDIENCE; | |
126 | } | |
127 | ||
128 | if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_')) | |
129 | { | |
130 | syntax = cen; | |
131 | ||
132 | if (cp[0] == '+') | |
133 | { | |
134 | /* Next is special application (CEN syntax). */ | |
135 | cp[0] = '\0'; | |
136 | *special = ++cp; | |
137 | ||
138 | while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_') | |
139 | ++cp; | |
140 | ||
141 | mask |= CEN_SPECIAL; | |
142 | } | |
143 | ||
144 | if (cp[0] == ',') | |
145 | { | |
146 | /* Next is sponsor (CEN syntax). */ | |
147 | cp[0] = '\0'; | |
148 | *sponsor = ++cp; | |
149 | ||
150 | while (cp[0] != '\0' && cp[0] != '_') | |
151 | ++cp; | |
152 | ||
153 | mask |= CEN_SPONSOR; | |
154 | } | |
155 | ||
156 | if (cp[0] == '_') | |
157 | { | |
158 | /* Next is revision (CEN syntax). */ | |
159 | cp[0] = '\0'; | |
160 | *revision = ++cp; | |
161 | ||
162 | mask |= CEN_REVISION; | |
163 | } | |
164 | } | |
165 | ||
166 | /* For CEN syntax values it might be important to have the | |
167 | separator character in the file name, not for XPG syntax. */ | |
168 | if (syntax == xpg) | |
169 | { | |
170 | if (*territory != NULL && (*territory)[0] == '\0') | |
171 | mask &= ~TERRITORY; | |
172 | ||
173 | if (*codeset != NULL && (*codeset)[0] == '\0') | |
174 | mask &= ~XPG_CODESET; | |
175 | ||
176 | if (*modifier != NULL && (*modifier)[0] == '\0') | |
177 | mask &= ~XPG_MODIFIER; | |
178 | } | |
179 | ||
180 | return mask; | |
181 | } |