/*****************************************************************************
- * charset.c: Determine a canonical name for the current locale's character
- * encoding.
+ * charset.c: Locale's character encoding stuff.
*****************************************************************************
- * Copyright (C) 2003-2004 the VideoLAN team
+ * See also unicode.c for Unicode to locale conversion helpers.
+ *
+ * Copyright (C) 2003-2006 the VideoLAN team
* $Id$
*
- * Author: Derk-Jan Hartman <thedj at users.sf.net>
+ * Authors: Derk-Jan Hartman <thedj at users.sf.net>
+ * Christophe Massiot
+ * RĂ©mi Denis-Courmont
*
* vlc_current_charset() an adaption of mp_locale_charset():
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include <stdlib.h>
# include <windows.h>
#endif
-#ifdef SYS_DARWIN
+#ifdef __APPLE__
# include <errno.h>
# include <string.h>
#endif
* a lot of basic aliases (check it first by iconv -l).
*
*/
-#if defined WIN32 || defined OS2 || !HAVE_LANGINFO_CODESET
+#if (defined OS2 || !HAVE_LANGINFO_CODESET) && !defined WIN32
static const char* vlc_encoding_from_language( const char *l )
{
/* check for language (and perhaps country) codes */
VLCCharsetAlias aliases[] = {{NULL, NULL}};
#endif
- if( aliases )
- {
- for (a = aliases; a->psz_alias; a++)
- if (strcasecmp (a->psz_alias, psz_name) == 0)
- return a->psz_name;
- }
+ for (a = aliases; a->psz_alias; a++)
+ if (strcasecmp (a->psz_alias, psz_name) == 0)
+ return a->psz_name;
/* we return original name beacuse iconv() probably will know
* something better about name if we don't know it :-) */
}
/* Returns charset from "language_COUNTRY.charset@modifier" string */
-#if defined WIN32 || defined OS2 || !HAVE_LANGINFO_CODESET
-static const char *vlc_encoding_from_locale( char *psz_locale )
+#if (defined OS2 || !HAVE_LANGINFO_CODESET) && !defined WIN32
+static void vlc_encoding_from_locale( char *psz_locale, char *psz_charset )
{
char *psz_dot = strchr( psz_locale, '.' );
if( psz_dot != NULL )
{
const char *psz_modifier;
- char buf[2 + 10 + 1];
psz_dot++;
psz_modifier = strchr( psz_dot, '@' );
if( psz_modifier == NULL )
- return psz_dot;
+ {
+ strcpy( psz_charset, psz_dot );
+ return;
+ }
if( 0 < ( psz_modifier - psz_dot )
- && ( psz_modifier - psz_dot ) < sizeof( buf ))
+ && ( psz_modifier - psz_dot ) < 2 + 10 + 1 )
{
- memcpy( buf, psz_dot, psz_modifier - psz_dot );
- buf[ psz_modifier - psz_dot ] = '\0';
- return buf;
+ memcpy( psz_charset, psz_dot, psz_modifier - psz_dot );
+ psz_charset[ psz_modifier - psz_dot ] = '\0';
+ return;
}
}
/* try language mapping */
- return vlc_encoding_from_language( psz_locale );
+ strcpy( psz_charset, vlc_encoding_from_language( psz_locale ) );
}
#endif
{
const char *psz_codeset;
-#if !(defined WIN32 || defined OS2 || defined SYS_DARWIN)
+#if !(defined WIN32 || defined OS2 || defined __APPLE__)
# if HAVE_LANGINFO_CODESET
/* Most systems support nl_langinfo( CODESET ) nowadays. */
psz_codeset = nl_langinfo( CODESET );
+ if( !strcmp( psz_codeset, "ANSI_X3.4-1968" ) )
+ psz_codeset = "ASCII";
# else
/* On old systems which lack it, use setlocale or getenv. */
const char *psz_locale = NULL;
+ char buf[2 + 10 + 1];
/* But most old systems don't have a complete set of locales. Some
* (like SunOS 4 or DJGPP) have only the C locale. Therefore we don't
* use setlocale here; it would return "C" when it doesn't support the
* locale name the user has set. Darwin's setlocale is broken. */
-# if HAVE_SETLOCALE && !SYS_DARWIN
+# if HAVE_SETLOCALE && !__APPLE__
psz_locale = setlocale( LC_ALL, NULL );
# endif
if( psz_locale == NULL || psz_locale[0] == '\0' )
/* On some old systems, one used to set locale = "iso8859_1". On others,
* you set it to "language_COUNTRY.charset". Darwin only has LANG :( */
- psz_codeset = vlc_encoding_from_locale( (char *)psz_locale );
+ vlc_encoding_from_locale( (char *)psz_locale, buf );
+ psz_codeset = buf;
# endif /* HAVE_LANGINFO_CODESET */
-#elif defined SYS_DARWIN
+#elif defined __APPLE__
/* Darwin is always using UTF-8 internally. */
psz_codeset = "UTF-8";
locale = getenv( "LANG" );
}
if( psz_locale != NULL && psz_locale[0] != '\0' )
- psz_codeset = vlc_encoding_from_locale( psz_locale );
+ vlc_encoding_from_locale( psz_locale, buf );
+ psz_codeset = buf;
else
{
/* OS/2 has a function returning the locale's codepage as a number. */
char *__vlc_fix_readdir_charset( vlc_object_t *p_this, const char *psz_string )
{
-#ifdef SYS_DARWIN
+#ifdef __APPLE__
if ( p_this->p_libvlc->iconv_macosx != (vlc_iconv_t)-1 )
{
const char *psz_in = psz_string;
return strdup( psz_string );
}
+
+/**
+ * There are two decimal separators in the computer world-wide locales:
+ * dot (which is the american default), and comma (which is used in France,
+ * the country with the most VLC developers, among others).
+ *
+ * i18n_strtod() has the same prototype as ANSI C strtod() but it accepts
+ * either decimal separator when deserializing the string to a float number,
+ * independant of the local computer setting.
+ */
+double i18n_strtod( const char *str, char **end )
+{
+ char *end_buf, e;
+ double d;
+
+ if( end == NULL )
+ end = &end_buf;
+ d = strtod( str, end );
+
+ e = **end;
+ if(( e == ',' ) || ( e == '.' ))
+ {
+ char dup[strlen( str ) + 1];
+ strcpy( dup, str );
+
+ if( dup == NULL )
+ return d;
+
+ dup[*end - str] = ( e == ',' ) ? '.' : ',';
+ d = strtod( dup, end );
+ }
+ return d;
+}
+
+/**
+ * i18n_atof() has the same prototype as ANSI C atof() but it accepts
+ * either decimal separator when deserializing the string to a float number,
+ * independant of the local computer setting.
+ */
+double i18n_atof( const char *str )
+{
+ return i18n_strtod( str, NULL );
+}
+
+
+/**
+ * us_strtod() has the same prototype as ANSI C strtod() but it expects
+ * a dot as decimal separator regardless of the system locale.
+ */
+double us_strtod( const char *str, char **end )
+{
+ char dup[strlen( str ) + 1], *ptr;
+ double d;
+ strcpy( dup, str );
+
+ ptr = strchr( dup, ',' );
+ if( ptr != NULL )
+ *ptr = '\0';
+
+ d = strtod( dup, &ptr );
+ if( end != NULL )
+ *end = (char *)&str[ptr - dup];
+
+ return d;
+}
+
+/**
+ * us_atof() has the same prototype as ANSI C atof() but it expects a dot
+ * as decimal separator, regardless of the system locale.
+ */
+double us_atof( const char *str )
+{
+ return us_strtod( str, NULL );
+}
+