| /* Message translation utilities. |
| Copyright (C) 2001-2017 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "coretypes.h" |
| #include "intl.h" |
| |
| #ifdef HAVE_LANGINFO_CODESET |
| #include <langinfo.h> |
| #endif |
| |
| /* Opening quotation mark for diagnostics. */ |
| const char *open_quote = "'"; |
| |
| /* Closing quotation mark for diagnostics. */ |
| const char *close_quote = "'"; |
| |
| /* The name of the locale encoding. */ |
| const char *locale_encoding = NULL; |
| |
| /* Whether the locale is using UTF-8. */ |
| bool locale_utf8 = false; |
| |
| #ifdef ENABLE_NLS |
| |
| /* Initialize the translation library for GCC. This performs the |
| appropriate sequence of calls - setlocale, bindtextdomain, |
| textdomain. LC_CTYPE determines the character set used by the |
| terminal, so it has be set to output messages correctly. */ |
| |
| void |
| gcc_init_libintl (void) |
| { |
| #ifdef HAVE_LC_MESSAGES |
| setlocale (LC_CTYPE, ""); |
| setlocale (LC_MESSAGES, ""); |
| #else |
| setlocale (LC_ALL, ""); |
| #endif |
| |
| (void) bindtextdomain ("gcc", LOCALEDIR); |
| (void) textdomain ("gcc"); |
| |
| /* Opening quotation mark. */ |
| open_quote = _("`"); |
| |
| /* Closing quotation mark. */ |
| close_quote = _("'"); |
| |
| #if defined HAVE_LANGINFO_CODESET |
| locale_encoding = nl_langinfo (CODESET); |
| if (locale_encoding != NULL |
| && (!strcasecmp (locale_encoding, "utf-8") |
| || !strcasecmp (locale_encoding, "utf8"))) |
| locale_utf8 = true; |
| #endif |
| |
| if (!strcmp (open_quote, "`") && !strcmp (close_quote, "'")) |
| { |
| /* Untranslated quotes that it may be possible to replace with |
| U+2018 and U+2019; but otherwise use "'" instead of "`" as |
| opening quote. */ |
| open_quote = "'"; |
| #if defined HAVE_LANGINFO_CODESET |
| if (locale_utf8) |
| { |
| open_quote = "\xe2\x80\x98"; |
| close_quote = "\xe2\x80\x99"; |
| } |
| #endif |
| } |
| } |
| |
| #if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH |
| #include <wchar.h> |
| |
| /* Returns the width in columns of MSGSTR, which came from gettext. |
| This is for indenting subsequent output. */ |
| |
| size_t |
| gcc_gettext_width (const char *msgstr) |
| { |
| size_t nwcs = mbstowcs (0, msgstr, 0); |
| wchar_t *wmsgstr = XALLOCAVEC (wchar_t, nwcs + 1); |
| |
| mbstowcs (wmsgstr, msgstr, nwcs + 1); |
| return wcswidth (wmsgstr, nwcs); |
| } |
| |
| #else /* no wcswidth */ |
| |
| /* We don't have any way of knowing how wide the string is. Guess |
| the length of the string. */ |
| |
| size_t |
| gcc_gettext_width (const char *msgstr) |
| { |
| return strlen (msgstr); |
| } |
| |
| #endif |
| |
| #endif /* ENABLE_NLS */ |
| |
| #ifndef ENABLE_NLS |
| |
| const char * |
| fake_ngettext (const char *singular, const char *plural, unsigned long n) |
| { |
| if (n == 1UL) |
| return singular; |
| |
| return plural; |
| } |
| |
| #endif |
| |
| /* Return the indent for successive lines, using the width of |
| the STR. STR must have been translated already. The string |
| must be freed by the caller. */ |
| |
| char * |
| get_spaces (const char *str) |
| { |
| size_t len = gcc_gettext_width (str); |
| char *spaces = XNEWVEC (char, len + 1); |
| memset (spaces, ' ', len); |
| spaces[len] = '\0'; |
| return spaces; |
| } |
| |
| |
| |