#include <libintl.h>
#include <iconv.h>
#include <errno.h>
+#include <relocatable.h>
#include "assertion.h"
#include "hmapx.h"
#include "hash-functions.h"
#include <langinfo.h>
#endif
+struct converter
+ {
+ const char *tocode;
+ const char *fromcode;
+ iconv_t conv;
+ };
+
static char *default_encoding;
static struct hmapx map;
static iconv_t
create_iconv (const char* tocode, const char* fromcode)
{
- iconv_t conv;
+ size_t hash;
struct hmapx_node *node;
- size_t hash ;
- char *key = alloca (strlen (tocode) + strlen (fromcode) + 2);
-
- strcpy (key, tocode);
- strcat (key, "\n"); /* hopefully no encoding names contain '\n' */
- strcat (key, fromcode);
-
- hash = hsh_hash_string (key);
-
- node = hmapx_first_with_hash (&map, hash);
-
- if (!node)
+ struct converter *converter;
+
+ hash = hash_string (tocode, hash_string (fromcode, 0));
+ HMAPX_FOR_EACH_WITH_HASH (converter, node, hash, &map)
+ if (!strcmp (tocode, converter->tocode)
+ && !strcmp (fromcode, converter->fromcode))
+ return converter->conv;
+
+ converter = xmalloc (sizeof *converter);
+ converter->tocode = xstrdup (tocode);
+ converter->fromcode = xstrdup (fromcode);
+ converter->conv = iconv_open (tocode, fromcode);
+ hmapx_insert (&map, converter, hash);
+
+ /* I don't think it's safe to translate this string or to use messaging
+ as the convertors have not yet been set up */
+ if ( (iconv_t) -1 == converter->conv && 0 != strcmp (tocode, fromcode))
{
- conv = iconv_open (tocode, fromcode);
-
- /* I don't think it's safe to translate this string or to use messaging
- as the convertors have not yet been set up */
- if ( (iconv_t) -1 == conv && 0 != strcmp (tocode, fromcode))
- {
- const int err = errno;
- fprintf (stderr,
- "Warning: "
- "cannot create a convertor for \"%s\" to \"%s\": %s\n",
- fromcode, tocode, strerror (err));
- }
-
- hmapx_insert (&map, conv, hash);
- }
- else
- {
- conv = hmapx_node_data (node);
+ const int err = errno;
+ fprintf (stderr,
+ "Warning: "
+ "cannot create a convertor for \"%s\" to \"%s\": %s\n",
+ fromcode, tocode, strerror (err));
}
- return conv;
+ return converter->conv;
}
/* Return a string based on TEXT converted according to HOW.
conv = create_iconv (to, from);
+ if ( (iconv_t) -1 == conv )
+ return xstrdup (text);
+
do {
const char *ip = text;
result = iconv (conv, (ICONV_CONST char **) &text, &inbytes,
break;
default:
/* should never happen */
+ fprintf (stderr, "Character conversion error: %s\n", strerror (the_error));
NOT_REACHED ();
break;
}
{
#if ENABLE_NLS
setlocale (LC_CTYPE, "");
-#if HAVE_LC_MESSAGES
+#ifdef LC_MESSAGES
setlocale (LC_MESSAGES, "");
#endif
#if HAVE_LC_PAPER
setlocale (LC_PAPER, "");
#endif
- bindtextdomain (PACKAGE, locale_dir);
+ bindtextdomain (PACKAGE, relocate(locale_dir));
textdomain (PACKAGE);
#endif /* ENABLE_NLS */
assert (default_encoding == NULL);
- default_encoding = strdup (locale_charset ());
+ default_encoding = xstrdup (locale_charset ());
hmapx_init (&map);
}
+const char *
+get_default_encoding (void)
+{
+ return default_encoding;
+}
+
+void
+set_default_encoding (const char *enc)
+{
+ free (default_encoding);
+ default_encoding = xstrdup (enc);
+}
+
+
+/* Attempts to set the encoding from a locale name
+ returns true if successfull.
+ This function does not (should not!) alter the current locale.
+*/
+bool
+set_encoding_from_locale (const char *loc)
+{
+ bool ok = true;
+ char *c_encoding;
+ char *loc_encoding;
+ char *tmp = xstrdup (setlocale (LC_CTYPE, NULL));
+
+ setlocale (LC_CTYPE, "C");
+ c_encoding = xstrdup (locale_charset ());
+
+ setlocale (LC_CTYPE, loc);
+ loc_encoding = xstrdup (locale_charset ());
+
+
+ if ( 0 == strcmp (loc_encoding, c_encoding))
+ {
+ ok = false;
+ }
+
+
+ setlocale (LC_CTYPE, tmp);
+
+ free (tmp);
+
+ if (ok)
+ {
+ free (default_encoding);
+ default_encoding = loc_encoding;
+ }
+ else
+ free (loc_encoding);
+
+ free (c_encoding);
+
+ return ok;
+}
+
void
i18n_done (void)
{
struct hmapx_node *node;
- iconv_t conv;
- HMAPX_FOR_EACH (conv, node, &map)
- iconv_close (conv);
+ struct converter *cvtr;
+ HMAPX_FOR_EACH (cvtr, node, &map)
+ {
+ iconv_close (cvtr->conv);
+ free (cvtr);
+ }
hmapx_destroy (&map);
+bool
+valid_encoding (const char *enc)
+{
+ iconv_t conv = iconv_open ("UTF8", enc);
+
+ if ( conv == (iconv_t) -1)
+ return false;
+
+ iconv_close (conv);
+
+ return true;
+}
+
/* Return the system local's idea of the
decimal seperator character */
{
char radix_char;
- char *ol = strdup (setlocale (LC_NUMERIC, NULL));
+ char *ol = xstrdup (setlocale (LC_NUMERIC, NULL));
setlocale (LC_NUMERIC, "");
#if HAVE_NL_LANGINFO