1 | /* Message translation utilities. |
2 | Copyright (C) 2001-2024 Free Software Foundation, Inc. |
3 | |
4 | This file is part of GCC. |
5 | |
6 | GCC is free software; you can redistribute it and/or modify it under |
7 | the terms of the GNU General Public License as published by the Free |
8 | Software Foundation; either version 3, or (at your option) any later |
9 | version. |
10 | |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
14 | for more details. |
15 | |
16 | You should have received a copy of the GNU General Public License |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ |
19 | |
20 | #include "config.h" |
21 | #include "system.h" |
22 | #include "coretypes.h" |
23 | #include "intl.h" |
24 | |
25 | #ifdef HAVE_LANGINFO_CODESET |
26 | #include <langinfo.h> |
27 | #endif |
28 | |
29 | /* Opening quotation mark for diagnostics. */ |
30 | const char *open_quote = "'" ; |
31 | |
32 | /* Closing quotation mark for diagnostics. */ |
33 | const char *close_quote = "'" ; |
34 | |
35 | /* The name of the locale encoding. */ |
36 | const char *locale_encoding = NULL; |
37 | |
38 | /* Whether the locale is using UTF-8. */ |
39 | bool locale_utf8 = false; |
40 | |
41 | #ifdef ENABLE_NLS |
42 | |
43 | /* Initialize the translation library for GCC. This performs the |
44 | appropriate sequence of calls - setlocale, bindtextdomain, |
45 | textdomain. LC_CTYPE determines the character set used by the |
46 | terminal, so it has be set to output messages correctly. */ |
47 | |
48 | void |
49 | gcc_init_libintl (void) |
50 | { |
51 | #ifdef HAVE_LC_MESSAGES |
52 | setlocale (LC_CTYPE, locale: "" ); |
53 | setlocale (LC_MESSAGES, locale: "" ); |
54 | #else |
55 | setlocale (LC_ALL, "" ); |
56 | #endif |
57 | |
58 | (void) bindtextdomain ("gcc" , LOCALEDIR); |
59 | (void) textdomain (domainname: "gcc" ); |
60 | |
61 | /* Opening quotation mark. */ |
62 | open_quote = _("`" ); |
63 | |
64 | /* Closing quotation mark. */ |
65 | close_quote = _("'" ); |
66 | |
67 | #if defined HAVE_LANGINFO_CODESET |
68 | locale_encoding = nl_langinfo (CODESET); |
69 | if (locale_encoding != NULL |
70 | && (!strcasecmp (s1: locale_encoding, s2: "utf-8" ) |
71 | || !strcasecmp (s1: locale_encoding, s2: "utf8" ))) |
72 | locale_utf8 = true; |
73 | #endif |
74 | |
75 | if (!strcmp (s1: open_quote, s2: "`" ) && !strcmp (s1: close_quote, s2: "'" )) |
76 | { |
77 | /* Untranslated quotes that it may be possible to replace with |
78 | U+2018 and U+2019; but otherwise use "'" instead of "`" as |
79 | opening quote. */ |
80 | open_quote = "'" ; |
81 | #if defined HAVE_LANGINFO_CODESET |
82 | if (locale_utf8) |
83 | { |
84 | open_quote = "\xe2\x80\x98" ; |
85 | close_quote = "\xe2\x80\x99" ; |
86 | } |
87 | #endif |
88 | } |
89 | } |
90 | |
91 | #if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH |
92 | #include <wchar.h> |
93 | |
94 | /* Returns the width in columns of MSGSTR, which came from gettext. |
95 | This is for indenting subsequent output. */ |
96 | |
97 | size_t |
98 | gcc_gettext_width (const char *msgstr) |
99 | { |
100 | size_t nwcs = mbstowcs (pwcs: 0, s: msgstr, n: 0); |
101 | wchar_t *wmsgstr = XALLOCAVEC (wchar_t, nwcs + 1); |
102 | |
103 | mbstowcs (pwcs: wmsgstr, s: msgstr, n: nwcs + 1); |
104 | return wcswidth (s: wmsgstr, n: nwcs); |
105 | } |
106 | |
107 | #else /* no wcswidth */ |
108 | |
109 | /* We don't have any way of knowing how wide the string is. Guess |
110 | the length of the string. */ |
111 | |
112 | size_t |
113 | gcc_gettext_width (const char *msgstr) |
114 | { |
115 | return strlen (msgstr); |
116 | } |
117 | |
118 | #endif |
119 | |
120 | #endif /* ENABLE_NLS */ |
121 | |
122 | #ifndef ENABLE_NLS |
123 | |
124 | const char * |
125 | fake_ngettext (const char *singular, const char *plural, unsigned long n) |
126 | { |
127 | if (n == 1UL) |
128 | return singular; |
129 | |
130 | return plural; |
131 | } |
132 | |
133 | #endif |
134 | |
135 | /* Return the indent for successive lines, using the width of |
136 | the STR. STR must have been translated already. The string |
137 | must be freed by the caller. */ |
138 | |
139 | char * |
140 | get_spaces (const char *str) |
141 | { |
142 | size_t len = gcc_gettext_width (msgstr: str); |
143 | char *spaces = XNEWVEC (char, len + 1); |
144 | memset (s: spaces, c: ' ', n: len); |
145 | spaces[len] = '\0'; |
146 | return spaces; |
147 | } |
148 | |
149 | |
150 | |
151 | |