1 /* Message translation utilities. 2 Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010 3 Free Software Foundation, Inc. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 3, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 #include "config.h" 22 #include "system.h" 23 #include "coretypes.h" 24 #include "intl.h" 25 26 #ifdef HAVE_LANGINFO_CODESET 27 #include <langinfo.h> 28 #endif 29 30 /* Opening quotation mark for diagnostics. */ 31 const char *open_quote = "'"; 32 33 /* Closing quotation mark for diagnostics. */ 34 const char *close_quote = "'"; 35 36 /* The name of the locale encoding. */ 37 const char *locale_encoding = NULL; 38 39 /* Whether the locale is using UTF-8. */ 40 bool locale_utf8 = false; 41 42 #ifdef ENABLE_NLS 43 44 /* Initialize the translation library for GCC. This performs the 45 appropriate sequence of calls - setlocale, bindtextdomain, 46 textdomain. LC_CTYPE determines the character set used by the 47 terminal, so it has be set to output messages correctly. */ 48 49 void 50 gcc_init_libintl (void) 51 { 52 #ifdef HAVE_LC_MESSAGES 53 setlocale (LC_CTYPE, ""); 54 setlocale (LC_MESSAGES, ""); 55 #else 56 setlocale (LC_ALL, ""); 57 #endif 58 59 (void) bindtextdomain ("gcc", LOCALEDIR); 60 (void) textdomain ("gcc"); 61 62 /* Opening quotation mark. */ 63 open_quote = _("`"); 64 65 /* Closing quotation mark. */ 66 close_quote = _("'"); 67 68 #if defined HAVE_LANGINFO_CODESET 69 locale_encoding = nl_langinfo (CODESET); 70 if (locale_encoding != NULL 71 && (!strcasecmp (locale_encoding, "utf-8") 72 || !strcasecmp (locale_encoding, "utf8"))) 73 locale_utf8 = true; 74 #endif 75 76 if (!strcmp (open_quote, "`") && !strcmp (close_quote, "'")) 77 { 78 /* Untranslated quotes that it may be possible to replace with 79 U+2018 and U+2019; but otherwise use "'" instead of "`" as 80 opening quote. */ 81 open_quote = "'"; 82 #if defined HAVE_LANGINFO_CODESET 83 if (locale_utf8) 84 { 85 open_quote = "\xe2\x80\x98"; 86 close_quote = "\xe2\x80\x99"; 87 } 88 #endif 89 } 90 } 91 92 #if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH 93 #include <wchar.h> 94 95 /* Returns the width in columns of MSGSTR, which came from gettext. 96 This is for indenting subsequent output. */ 97 98 size_t 99 gcc_gettext_width (const char *msgstr) 100 { 101 size_t nwcs = mbstowcs (0, msgstr, 0); 102 wchar_t *wmsgstr = XALLOCAVEC (wchar_t, nwcs + 1); 103 104 mbstowcs (wmsgstr, msgstr, nwcs + 1); 105 return wcswidth (wmsgstr, nwcs); 106 } 107 108 #else /* no wcswidth */ 109 110 /* We don't have any way of knowing how wide the string is. Guess 111 the length of the string. */ 112 113 size_t 114 gcc_gettext_width (const char *msgstr) 115 { 116 return strlen (msgstr); 117 } 118 119 #endif 120 121 #endif /* ENABLE_NLS */ 122 123 #ifndef ENABLE_NLS 124 125 const char * 126 fake_ngettext (const char *singular, const char *plural, unsigned long n) 127 { 128 if (n == 1UL) 129 return singular; 130 131 return plural; 132 } 133 134 #endif 135 136 /* Return the indent for successive lines, using the width of 137 the STR. STR must have been translated already. The string 138 must be freed by the caller. */ 139 140 char * 141 get_spaces (const char *str) 142 { 143 size_t len = gcc_gettext_width (str); 144 char *spaces = XNEWVEC(char, len + 1); 145 memset (spaces, ' ', len); 146 spaces[len] = '\0'; 147 return spaces; 148 } 149 150 151 152