#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <libintl.h>
#include <iconv.h>
#include <errno.h>
#include "assertion.h"
+#include "hmapx.h"
+#include "hash-functions.h"
#include "i18n.h"
+#include "version.h"
+
#include <localcharset.h>
#include "xstrndup.h"
#endif
static char *default_encoding;
-
+static struct hmapx map;
/* A wrapper around iconv_open */
static iconv_t
create_iconv (const char* tocode, const char* fromcode)
{
- iconv_t conv = iconv_open (tocode, fromcode);
+ iconv_t conv;
+ 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);
- /* 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))
+ node = hmapx_first_with_hash (&map, hash);
+
+ if (!node)
+ {
+ 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
{
- const int err = errno;
- fprintf (stderr,
- "Warning: cannot create a convertor for \"%s\" to \"%s\": %s\n",
- fromcode, tocode, strerror (err));
+ conv = hmapx_node_data (node);
}
return conv;
}
} while ( -1 == result );
-
- iconv_close (conv);
-
if (outbytes == 0 )
{
char *const oldaddr = outbuf;
}
+void
+i18n_init (void)
+{
+#if ENABLE_NLS
+ setlocale (LC_CTYPE, "");
+#if HAVE_LC_MESSAGES
+ setlocale (LC_MESSAGES, "");
+#endif
+#if HAVE_LC_PAPER
+ setlocale (LC_PAPER, "");
+#endif
+ bindtextdomain (PACKAGE, locale_dir);
+ textdomain (PACKAGE);
+#endif /* ENABLE_NLS */
+
+ assert (default_encoding == NULL);
+ default_encoding = strdup (locale_charset ());
+
+ hmapx_init (&map);
+}
+const char *
+get_default_encoding (void)
+{
+ return default_encoding;
+}
+
void
-i18n_init (void)
+set_default_encoding (const char *enc)
{
free (default_encoding);
- default_encoding = strdup (locale_charset ());
+ default_encoding = strdup (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 = strdup (setlocale (LC_CTYPE, NULL));
+
+ setlocale (LC_CTYPE, "C");
+ c_encoding = strdup (locale_charset ());
+
+ setlocale (LC_CTYPE, loc);
+ loc_encoding = strdup (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);
+
+ hmapx_destroy (&map);
+
free (default_encoding);
default_encoding = NULL;
}
+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 */