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authorDan Vrátil <dvratil@redhat.com>2012-06-06 21:27:19 +0800
committerDan Vrátil <dvratil@redhat.com>2012-06-06 21:27:19 +0800
commit5b8340563c271fb684a88c6e5bb6dd3bfb629058 (patch)
treec1c7d606fb4ce9fd2fe459a9226bfb9125423991 /em-format/e-mail-parser-message-rfc822.c
parent26a4f24188fd89dbabaff192bec9c54af8fe5a80 (diff)
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Mail formatter rewrite
All mail-parsing and formatting code has been moved to em-format. Parsing is handeled by EMailParser class, formatting by EMailFormatter. Both classes have registry which hold extensions - simple classes that do actual parsing and formatting. Each supported mime-type has it's own parser and formatter extension class.
Diffstat (limited to 'em-format/e-mail-parser-message-rfc822.c')
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diff --git a/em-format/e-mail-parser-message-rfc822.c b/em-format/e-mail-parser-message-rfc822.c
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+/*
+ * e-mail-parser-message-rfc822.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-mail-format-extensions.h"
+
+#include <glib/gi18n-lib.h>
+#include <glib-object.h>
+
+#include <em-format/e-mail-parser-extension.h>
+#include <em-format/e-mail-parser.h>
+#include <em-format/e-mail-part-list.h>
+#include <em-format/e-mail-part-utils.h>
+#include <e-util/e-util.h>
+
+#include <camel/camel.h>
+
+#include <string.h>
+
+typedef struct _EMailParserMessageRFC822 {
+ GObject parent;
+} EMailParserMessageRFC822;
+
+typedef struct _EMailParserMessageRFC822Class {
+ GObjectClass parent_class;
+} EMailParserMessageRFC822Class;
+
+static void e_mail_parser_parser_extension_interface_init (EMailParserExtensionInterface *iface);
+static void e_mail_parser_mail_extension_interface_init (EMailExtensionInterface *iface);
+
+G_DEFINE_TYPE_EXTENDED (
+ EMailParserMessageRFC822,
+ e_mail_parser_message_rfc822,
+ G_TYPE_OBJECT,
+ 0,
+ G_IMPLEMENT_INTERFACE (
+ E_TYPE_MAIL_EXTENSION,
+ e_mail_parser_mail_extension_interface_init)
+ G_IMPLEMENT_INTERFACE (
+ E_TYPE_MAIL_PARSER_EXTENSION,
+ e_mail_parser_parser_extension_interface_init));
+
+static const gchar* parser_mime_types[] = { "message/rfc822",
+ "message/news",
+ "message/*",
+ NULL };
+
+static GSList *
+empe_msg_rfc822_parse (EMailParserExtension *extension,
+ EMailParser *eparser,
+ CamelMimePart *part,
+ GString *part_id,
+ GCancellable *cancellable)
+{
+ GSList *parts = NULL;
+ EMailPart *mail_part;
+ gint len;
+ CamelMimePart *message;
+ CamelDataWrapper *dw;
+ CamelStream *new_stream;
+ CamelMimeParser *mime_parser;
+ CamelContentType *ct;
+
+ len = part_id->len;
+ g_string_append (part_id, ".rfc822");
+
+ /* Create an empty PURI that will represent start of the RFC message */
+ mail_part = e_mail_part_new (part, part_id->str);
+ mail_part->mime_type = g_strdup ("message/rfc822");
+ parts = g_slist_append (NULL, mail_part);
+
+ /* Sometime the _actual_ message is encapsulated in another CamelMimePart,
+ * sometimes the CamelMimePart actually represents the RFC822 message */
+ ct = camel_mime_part_get_content_type (part);
+ if (camel_content_type_is (ct, "message", "rfc822")) {
+ new_stream = camel_stream_mem_new ();
+ mime_parser = camel_mime_parser_new ();
+ message = (CamelMimePart *) camel_mime_message_new ();
+
+ dw = camel_medium_get_content (CAMEL_MEDIUM (part));
+ camel_data_wrapper_decode_to_stream_sync (
+ dw, new_stream, cancellable, NULL);
+ g_seekable_seek (
+ G_SEEKABLE (new_stream), 0, G_SEEK_SET, cancellable, NULL);
+ camel_mime_parser_init_with_stream (
+ mime_parser, new_stream, NULL);
+ camel_mime_part_construct_from_parser_sync (
+ message, mime_parser, cancellable, NULL);
+
+ g_object_unref (mime_parser);
+ g_object_unref (new_stream);
+ } else {
+ message = g_object_ref (part);
+ }
+
+ parts = g_slist_concat (parts, e_mail_parser_parse_part_as (
+ eparser, message, part_id,
+ "application/vnd.evolution.message",
+ cancellable));
+
+ g_object_unref (message);
+
+ /* Add another generic EMailPart that represents end of the RFC message.
+ * The em_format_write() function will skip all parts between the ".rfc822"
+ * part and ".rfc822.end" part as they will be rendered in an <iframe> */
+ g_string_append (part_id, ".end");
+ mail_part = e_mail_part_new (message, part_id->str);
+ mail_part->is_hidden = TRUE;
+ parts = g_slist_append (parts, mail_part);
+ g_string_truncate (part_id, len);
+
+ if (e_mail_part_is_attachment (message)) {
+ return e_mail_parser_wrap_as_attachment (
+ eparser, message, parts, part_id, cancellable);
+ }
+
+ return parts;
+}
+
+static guint32
+empe_msg_rfc822_get_flags (EMailParserExtension *extension)
+{
+ return E_MAIL_PARSER_EXTENSION_INLINE |
+ E_MAIL_PARSER_EXTENSION_COMPOUND_TYPE;
+}
+
+static const gchar **
+empe_msg_rfc822_mime_types (EMailExtension *extension)
+{
+ return parser_mime_types;
+}
+
+static void
+e_mail_parser_message_rfc822_class_init (EMailParserMessageRFC822Class *klass)
+{
+ e_mail_parser_message_rfc822_parent_class = g_type_class_peek_parent (klass);
+}
+
+static void
+e_mail_parser_parser_extension_interface_init (EMailParserExtensionInterface *iface)
+{
+ iface->parse = empe_msg_rfc822_parse;
+ iface->get_flags = empe_msg_rfc822_get_flags;
+}
+
+static void
+e_mail_parser_mail_extension_interface_init (EMailExtensionInterface *iface)
+{
+ iface->mime_types = empe_msg_rfc822_mime_types;
+}
+
+static void
+e_mail_parser_message_rfc822_init (EMailParserMessageRFC822 *parser)
+{
+
+}