New class that can be used to browse a multipart/digest message as if it

2001-04-23  Jeffrey Stedfast  <fejj@ximian.com>

	* camel-digest-folder.[c,h]: New class that can be used to browse
	a multipart/digest message as if it were a CamelFolder.

svn path=/trunk/; revision=9530

1 files changed, 305 insertions, 0 deletions

diff --git a/camel/camel-digest-folder.c b/camel/camel-digest-folder.c
new file mode 100644
index 0000000000..42d238ade4
--- /dev/null
+++ b/camel/camel-digest-folder.c
@@ -0,0 +1,305 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ *  Authors: Jeffrey Stedfast <fejj@ximian.com>
+ *
+ *  Copyright 2001 Ximian, Inc. (www.ximian.com)
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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 General Public License for more details.
+ *
+ *  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 Street #330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "camel-digest-folder.h"
+
+#include "camel-exception.h"
+#include "camel-multipart.h"
+#include "camel-mime-message.h"
+#include "camel-folder-summary.h"
+
+#define d(x)
+
+#define _PRIVATE(o) (((CamelDigestFolder *)(o))->priv)
+
+struct _CamelDigestFolderPrivate {
+	CamelMimeMessage *message;
+	GHashTable *info_hash;
+	GPtrArray *summary;
+	GPtrArray *uids;
+};
+
+static CamelFolderClass *parent_class = NULL;
+
+static void digest_refresh_info (CamelFolder *folder, CamelException *ex);
+static void digest_sync (CamelFolder *folder, gboolean expunge, CamelException *ex);
+static const char *digest_get_full_name (CamelFolder *folder);
+static void digest_expunge (CamelFolder *folder, CamelException *ex);
+
+static GPtrArray *digest_get_uids (CamelFolder *folder);
+static void digest_free_uids (CamelFolder *folder, GPtrArray *uids);
+static CamelMessageInfo *digest_get_message_info (CamelFolder *folder, const char *uid);
+
+/* message manipulation */
+static CamelMimeMessage *digest_get_message (CamelFolder *folder, const gchar *uid,
+					   CamelException *ex);
+static void digest_append_message (CamelFolder *folder, CamelMimeMessage *message,
+				 const CamelMessageInfo *info, CamelException *ex);
+static void digest_copy_messages_to (CamelFolder *source, GPtrArray *uids,
+				   CamelFolder *destination, CamelException *ex);
+static void digest_move_messages_to (CamelFolder *source, GPtrArray *uids,
+				   CamelFolder *destination, CamelException *ex);
+
+
+static void
+camel_digest_folder_class_init (CamelDigestFolderClass *camel_digest_folder_class)
+{
+	CamelFolderClass *camel_folder_class = CAMEL_FOLDER_CLASS (camel_digest_folder_class);
+	
+	parent_class = CAMEL_FOLDER_CLASS (camel_type_get_global_classfuncs (camel_folder_get_type ()));
+	
+	/* virtual method definition */
+	
+	/* virtual method overload */
+	camel_folder_class->refresh_info = digest_refresh_info;
+	camel_folder_class->sync = digest_sync;
+	camel_folder_class->expunge = digest_expunge;
+	camel_folder_class->get_full_name = digest_get_full_name;
+	
+	camel_folder_class->get_uids = digest_get_uids;
+	camel_folder_class->free_uids = digest_free_uids;
+	camel_folder_class->get_message_info = digest_get_message_info;
+	
+	camel_folder_class->get_message = digest_get_message;
+	camel_folder_class->append_message = digest_append_message;
+	camel_folder_class->copy_messages_to = digest_copy_messages_to;
+	camel_folder_class->move_messages_to = digest_move_messages_to;
+}
+
+static void
+camel_digest_folder_init (gpointer object, gpointer klass)
+{
+	CamelDigestFolder *digest_folder = CAMEL_DIGEST_FOLDER (object);
+	CamelFolder *folder = CAMEL_FOLDER (object);
+	
+	folder->has_summary_capability = TRUE;
+	folder->has_search_capability = FALSE;
+	
+	digest_folder->priv = g_new0 (struct _CamelDigestFolderPrivate, 1);
+	digest_folder->priv->info_hash = g_hash_table_new (g_str_hash, g_str_equal);
+}
+
+static void           
+digest_finalize (CamelObject *object)
+{
+	CamelDigestFolder *digest_folder = CAMEL_DIGEST_FOLDER (object);
+	GPtrArray *summary;
+	
+	camel_object_unref (CAMEL_OBJECT (digest_folder->priv->message));
+	
+	g_hash_table_destroy (digest_folder->priv->info_hash);
+	
+	summary = digest_folder->priv->summary;
+	if (summary) {
+		int i;
+		
+		for (i = 0; i < summary->len; i++)
+			camel_message_info_free (summary->pdata[i]);
+		
+		g_ptr_array_free (summary, TRUE);
+	}
+	
+	if (digest_folder->priv->uids)
+		g_ptr_array_free (digest_folder->priv->uids, TRUE);
+	
+	g_free (digest_folder->priv);
+}
+
+CamelType
+camel_digest_folder_get_type (void)
+{
+	static CamelType type = CAMEL_INVALID_TYPE;
+	
+	if (type == CAMEL_INVALID_TYPE) {
+		type = camel_type_register (CAMEL_FOLDER_TYPE,
+					    "CamelDigestFolder",
+					    sizeof (CamelDigestFolder),
+					    sizeof (CamelDigestFolderClass),
+					    (CamelObjectClassInitFunc) camel_digest_folder_class_init,
+					    NULL,
+					    (CamelObjectInitFunc) camel_digest_folder_init,
+					    (CamelObjectFinalizeFunc) digest_finalize);
+	}
+	
+	return type;
+}
+
+CamelFolder *
+camel_digest_folder_new (CamelMimeMessage *message)
+{
+	CamelDigestFolder *digest_folder;
+	CamelDataWrapper *wrapper;
+	CamelFolder *folder;
+	
+	wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (message));
+	if (!wrapper || !CAMEL_IS_MULTIPART (wrapper))
+		return NULL;
+	
+	if (!header_content_type_is (CAMEL_MIME_PART (message)->content_type, "multipart", "digest")) {
+		int i, parts;
+		
+		/* Make sure we have a multipart of message/rfc822 attachments... */
+		parts = camel_multipart_get_number (CAMEL_MULTIPART (wrapper));
+		for (i = 0; i < parts; i++) {
+			CamelMimePart *part = camel_multipart_get_part (CAMEL_MULTIPART (wrapper), i);
+			
+			if (!header_content_type_is (part->content_type, "message", "rfc822"))
+				return NULL;
+		}
+	}
+	
+	folder = CAMEL_FOLDER (camel_object_new (camel_digest_folder_get_type ()));
+	digest_folder = CAMEL_DIGEST_FOLDER (folder);
+	
+	camel_folder_construct (folder, NULL, "folder_name", "short_name");
+	
+	camel_object_ref (CAMEL_OBJECT (message));
+	digest_folder->priv->message = message;
+	
+	return folder;
+}
+
+static void
+digest_refresh_info (CamelFolder *folder, CamelException *ex)
+{
+	
+}
+
+static void
+digest_sync (CamelFolder *folder, gboolean expunge, CamelException *ex)
+{
+	
+}
+
+static void
+digest_expunge (CamelFolder *folder, CamelException *ex)
+{
+	
+}
+
+static GPtrArray *
+digest_get_uids (CamelFolder *folder)
+{
+	CamelDigestFolder *digest_folder = CAMEL_DIGEST_FOLDER (folder);
+	CamelDataWrapper *wrapper;
+	GHashTable *info_hash;
+	GPtrArray *summary;
+	GPtrArray *uids;
+	int parts, i;
+	
+	if (digest_folder->priv->uids)
+		return digest_folder->priv->uids;
+	
+	uids = g_ptr_array_new ();
+	summary = g_ptr_array_new ();
+	info_hash = digest_folder->priv->info_hash;
+	
+	wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (digest_folder->priv->message));
+	parts = camel_multipart_get_number (CAMEL_MULTIPART (wrapper));
+	for (i = 0; i < parts; i++) {
+		CamelMimeMessage *message;
+		CamelMessageInfo *info;
+		CamelMimePart *part;
+		char *uid;
+		
+		uid = g_strdup_printf ("%d", i + 1);
+		
+		part = camel_multipart_get_part (CAMEL_MULTIPART (wrapper), i);
+		message = CAMEL_MIME_MESSAGE (part);
+		
+		info = camel_message_info_new_from_header (CAMEL_MIME_PART (message)->headers);
+		camel_message_info_set_uid (info, uid);
+		
+		g_ptr_array_add (uids, uid);
+		g_ptr_array_add (summary, info);
+		g_hash_table_insert (info_hash, uid, info);
+	}
+	
+	digest_folder->priv->uids = uids;
+	digest_folder->priv->summary = summary;
+	
+	return uids;
+}
+
+static void
+digest_free_uids (CamelFolder *folder, GPtrArray *uids)
+{
+	/* no-op */
+}
+
+static CamelMessageInfo *
+digest_get_message_info (CamelFolder *folder, const char *uid)
+{
+	CamelDigestFolder *digest = CAMEL_DIGEST_FOLDER (folder);
+	
+	return g_hash_table_lookup (digest->priv->info_hash, uid);
+}
+
+static const char *
+digest_get_full_name (CamelFolder *folder)
+{
+	return folder->full_name;
+}
+
+static void
+digest_append_message (CamelFolder *folder, CamelMimeMessage *message,
+		       const CamelMessageInfo *info, CamelException *ex)
+{
+	/* no-op */
+}
+
+static void
+digest_copy_messages_to (CamelFolder *source, GPtrArray *uids,
+		       CamelFolder *destination, CamelException *ex)
+{
+	/* no-op */
+}
+
+static void
+digest_move_messages_to (CamelFolder *source, GPtrArray *uids,
+			 CamelFolder *destination, CamelException *ex)
+{
+	/* no-op */
+}
+
+static CamelMimeMessage *
+digest_get_message (CamelFolder *folder, const char *uid, CamelException *ex)
+{
+	CamelDigestFolder *digest = CAMEL_DIGEST_FOLDER (folder);
+	CamelDataWrapper *wrapper;
+	CamelMimeMessage *message;
+	CamelMimePart *part;
+	int id;
+	
+	id = atoi (uid) - 1;
+	
+	wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (digest->priv->message));
+	part = camel_multipart_get_part (CAMEL_MULTIPART (wrapper), id);
+	message = CAMEL_MIME_MESSAGE (part);
+	camel_object_ref (CAMEL_OBJECT (message));
+	
+	return message;
+}