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151 lines
3.5 KiB
C
151 lines
3.5 KiB
C
/* Message translation utilities.
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Copyright (C) 2001-2020 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "intl.h"
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#ifdef HAVE_LANGINFO_CODESET
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#include <langinfo.h>
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#endif
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/* Opening quotation mark for diagnostics. */
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const char *open_quote = "'";
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/* Closing quotation mark for diagnostics. */
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const char *close_quote = "'";
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/* The name of the locale encoding. */
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const char *locale_encoding = NULL;
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/* Whether the locale is using UTF-8. */
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bool locale_utf8 = false;
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#ifdef ENABLE_NLS
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/* Initialize the translation library for GCC. This performs the
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appropriate sequence of calls - setlocale, bindtextdomain,
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textdomain. LC_CTYPE determines the character set used by the
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terminal, so it has be set to output messages correctly. */
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void
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gcc_init_libintl (void)
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{
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#ifdef HAVE_LC_MESSAGES
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setlocale (LC_CTYPE, "");
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setlocale (LC_MESSAGES, "");
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#else
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setlocale (LC_ALL, "");
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#endif
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(void) bindtextdomain ("gcc", LOCALEDIR);
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(void) textdomain ("gcc");
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/* Opening quotation mark. */
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open_quote = _("`");
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/* Closing quotation mark. */
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close_quote = _("'");
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#if defined HAVE_LANGINFO_CODESET
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locale_encoding = nl_langinfo (CODESET);
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if (locale_encoding != NULL
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&& (!strcasecmp (locale_encoding, "utf-8")
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|| !strcasecmp (locale_encoding, "utf8")))
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locale_utf8 = true;
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#endif
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if (!strcmp (open_quote, "`") && !strcmp (close_quote, "'"))
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{
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/* Untranslated quotes that it may be possible to replace with
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U+2018 and U+2019; but otherwise use "'" instead of "`" as
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opening quote. */
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open_quote = "'";
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#if defined HAVE_LANGINFO_CODESET
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if (locale_utf8)
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{
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open_quote = "\xe2\x80\x98";
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close_quote = "\xe2\x80\x99";
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}
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#endif
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}
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}
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#if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH
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#include <wchar.h>
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/* Returns the width in columns of MSGSTR, which came from gettext.
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This is for indenting subsequent output. */
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size_t
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gcc_gettext_width (const char *msgstr)
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{
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size_t nwcs = mbstowcs (0, msgstr, 0);
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wchar_t *wmsgstr = XALLOCAVEC (wchar_t, nwcs + 1);
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mbstowcs (wmsgstr, msgstr, nwcs + 1);
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return wcswidth (wmsgstr, nwcs);
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}
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#else /* no wcswidth */
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/* We don't have any way of knowing how wide the string is. Guess
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the length of the string. */
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size_t
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gcc_gettext_width (const char *msgstr)
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{
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return strlen (msgstr);
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}
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#endif
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#endif /* ENABLE_NLS */
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#ifndef ENABLE_NLS
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const char *
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fake_ngettext (const char *singular, const char *plural, unsigned long n)
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{
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if (n == 1UL)
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return singular;
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return plural;
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}
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#endif
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/* Return the indent for successive lines, using the width of
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the STR. STR must have been translated already. The string
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must be freed by the caller. */
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char *
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get_spaces (const char *str)
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{
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size_t len = gcc_gettext_width (str);
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char *spaces = XNEWVEC (char, len + 1);
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memset (spaces, ' ', len);
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spaces[len] = '\0';
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return spaces;
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}
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