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-rw-r--r--camel/camel-mime-message.c58
1 files changed, 31 insertions, 27 deletions
diff --git a/camel/camel-mime-message.c b/camel/camel-mime-message.c
index 0d5824ce4c..88ab643720 100644
--- a/camel/camel-mime-message.c
+++ b/camel/camel-mime-message.c
@@ -673,17 +673,17 @@ camel_mime_message_has_8bit_parts (CamelMimeMessage *msg)
static CamelMimePartEncodingType
find_best_encoding (CamelMimePart *part, CamelBestencRequired required, CamelBestencEncoding enctype, char **charsetp)
{
- CamelMimeFilterCharset *charenc = NULL;
- CamelMimePartEncodingType encoding;
- CamelMimeFilterBestenc *bestenc;
- unsigned int flags, callerflags;
- CamelDataWrapper *content;
- CamelStreamFilter *filter;
- const char *charsetin;
+ const char *charsetin = NULL;
char *charset = NULL;
CamelStream *null;
+ CamelStreamFilter *filter;
+ CamelMimeFilterCharset *charenc = NULL;
+ CamelMimeFilterBestenc *bestenc;
int idb, idc = -1;
gboolean istext;
+ unsigned int flags, callerflags;
+ CamelMimePartEncodingType encoding;
+ CamelDataWrapper *content;
/* we use all these weird stream things so we can do it with streams, and
not have to read the whole lot into memory - although i have a feeling
@@ -717,10 +717,12 @@ find_best_encoding (CamelMimePart *part, CamelBestencRequired required, CamelBes
null = (CamelStream *)camel_stream_null_new ();
filter = camel_stream_filter_new_with_stream (null);
- /* if we're looking for the best charset, then we need to convert to UTF-8 */
- if (istext && (required & CAMEL_BESTENC_GET_CHARSET) != 0
- && (charsetin = header_content_type_param (content->mime_type, "charset"))) {
- charenc = camel_mime_filter_charset_new_convert (charsetin, "UTF-8");
+ /* if we're not looking for the best charset, then use the one we have */
+ if (istext && (required & CAMEL_BESTENC_GET_CHARSET) == 0
+ && (charsetin = header_content_type_param (part->content_type, "charset"))) {
+ /* if libunicode doesn't support it, we dont really have utf8 anyway, so
+ we dont need a converter */
+ charenc = camel_mime_filter_charset_new_convert ("UTF-8", charsetin);
if (charenc != NULL)
idc = camel_stream_filter_add (filter, (CamelMimeFilter *)charenc);
charsetin = NULL;
@@ -733,29 +735,31 @@ find_best_encoding (CamelMimePart *part, CamelBestencRequired required, CamelBes
camel_stream_filter_remove (filter, idb);
if (idc != -1) {
camel_stream_filter_remove (filter, idc);
- camel_object_unref (charenc);
+ camel_object_unref ((CamelObject *)charenc);
charenc = NULL;
}
- if (istext && (required & CAMEL_BESTENC_GET_CHARSET) != 0) {
+ if (istext)
charsetin = camel_mime_filter_bestenc_get_best_charset (bestenc);
- d(printf("best charset = %s\n", charsetin ? charsetin : "(null)"));
- charset = g_strdup (charsetin);
-
- charsetin = header_content_type_param (content->mime_type, "charset");
- } else {
- charset = NULL;
- }
+
+ d(printf("charsetin = %s\n", charsetin ? charsetin : "(null)"));
/* if we have US-ASCII, or we're not doing text, we dont need to bother with the rest */
- if (istext && charsetin && charset && (required & CAMEL_BESTENC_GET_CHARSET) != 0) {
+ if (charsetin != NULL && (required & CAMEL_BESTENC_GET_CHARSET) != 0) {
+ charset = g_strdup (charsetin);
+
d(printf("have charset, trying conversion/etc\n"));
- /* now that 'bestenc' has told us what the best encoding is, we can use that to create
+ /* now the 'bestenc' can has told us what the best encoding is, we can use that to create
a charset conversion filter as well, and then re-add the bestenc to filter the
result to find the best encoding to use as well */
- charenc = camel_mime_filter_charset_new_convert (charsetin, charset);
+ charenc = camel_mime_filter_charset_new_convert ("UTF-8", charset);
+
+ /* eek, libunicode doesn't undertand this charset anyway, then the 'utf8' we
+ thought we had is really the native format, in which case, we just treat
+ it as binary data (and take the result we have so far) */
+
if (charenc != NULL) {
/* otherwise, try another pass, converting to the real charset */
@@ -769,15 +773,15 @@ find_best_encoding (CamelMimePart *part, CamelBestencRequired required, CamelBes
/* and write it to the new stream */
camel_data_wrapper_write_to_stream (content, (CamelStream *)filter);
- camel_object_unref (charenc);
+ camel_object_unref ((CamelObject *)charenc);
}
}
encoding = camel_mime_filter_bestenc_get_best_encoding (bestenc, enctype);
- camel_object_unref (filter);
- camel_object_unref (bestenc);
- camel_object_unref (null);
+ camel_object_unref ((CamelObject *)filter);
+ camel_object_unref ((CamelObject *)bestenc);
+ camel_object_unref ((CamelObject *)null);
d(printf("done, best encoding = %d\n", encoding));