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/* Message translation utilities.
Copyright (C) 2001-2019 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;
}