moved more modules to libsylph.

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@548 ee746299-78ed-0310-b773-934348b2243d

1 files changed, 1583 insertions, 0 deletions

diff --git a/libsylph/folder.c b/libsylph/folder.c
new file mode 100644
index 00000000..25db6b24
--- /dev/null
+++ b/libsylph/folder.c
@@ -0,0 +1,1583 @@
+/*
+ * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
+ * Copyright (C) 1999-2005 Hiroyuki Yamamoto
+ *
+ * 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 Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include "defs.h"
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "folder.h"
+#include "session.h"
+#include "imap.h"
+#include "news.h"
+#include "mh.h"
+#include "utils.h"
+#include "xml.h"
+#include "codeconv.h"
+#include "prefs.h"
+#include "account.h"
+#include "prefs_account.h"
+
+static GList *folder_list = NULL;
+
+static void folder_init		(Folder		*folder,
+				 const gchar	*name);
+
+static gboolean folder_read_folder_func	(GNode		*node,
+					 gpointer	 data);
+static gchar *folder_get_list_path	(void);
+static void folder_write_list_recursive	(GNode		*node,
+					 gpointer	 data);
+
+
+Folder *folder_new(FolderType type, const gchar *name, const gchar *path)
+{
+	Folder *folder = NULL;
+
+	name = name ? name : path;
+	switch (type) {
+	case F_MH:
+		folder = mh_get_class()->folder_new(name, path);
+		break;
+	case F_IMAP:
+		folder = imap_get_class()->folder_new(name, path);
+		break;
+	case F_NEWS:
+		folder = news_get_class()->folder_new(name, path);
+		break;
+	default:
+		return NULL;
+	}
+
+	return folder;
+}
+
+static void folder_init(Folder *folder, const gchar *name)
+{
+	FolderItem *item;
+
+	g_return_if_fail(folder != NULL);
+
+	folder_set_name(folder, name);
+	folder->account = NULL;
+	folder->inbox = NULL;
+	folder->outbox = NULL;
+	folder->draft = NULL;
+	folder->queue = NULL;
+	folder->trash = NULL;
+	folder->ui_func = NULL;
+	folder->ui_func_data = NULL;
+	item = folder_item_new(name, NULL);
+	item->folder = folder;
+	folder->node = item->node = g_node_new(item);
+	folder->data = NULL;
+}
+
+void folder_local_folder_init(Folder *folder, const gchar *name,
+			      const gchar *path)
+{
+	folder_init(folder, name);
+	LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
+}
+
+void folder_remote_folder_init(Folder *folder, const gchar *name,
+			       const gchar *path)
+{
+	folder_init(folder, name);
+	REMOTE_FOLDER(folder)->session = NULL;
+}
+
+void folder_destroy(Folder *folder)
+{
+	g_return_if_fail(folder != NULL);
+	g_return_if_fail(folder->klass->destroy != NULL);
+
+	folder->klass->destroy(folder);
+
+	folder_list = g_list_remove(folder_list, folder);
+
+	folder_tree_destroy(folder);
+	g_free(folder->name);
+	g_free(folder);
+}
+
+void folder_local_folder_destroy(LocalFolder *lfolder)
+{
+	g_return_if_fail(lfolder != NULL);
+
+	g_free(lfolder->rootpath);
+}
+
+void folder_remote_folder_destroy(RemoteFolder *rfolder)
+{
+	g_return_if_fail(rfolder != NULL);
+
+	if (rfolder->session)
+		session_destroy(rfolder->session);
+}
+
+#if 0
+Folder *mbox_folder_new(const gchar *name, const gchar *path)
+{
+	/* not yet implemented */
+	return NULL;
+}
+
+Folder *maildir_folder_new(const gchar *name, const gchar *path)
+{
+	/* not yet implemented */
+	return NULL;
+}
+#endif
+
+FolderItem *folder_item_new(const gchar *name, const gchar *path)
+{
+	FolderItem *item;
+
+	item = g_new0(FolderItem, 1);
+
+	item->stype = F_NORMAL;
+	item->name = g_strdup(name);
+	item->path = g_strdup(path);
+	item->mtime = 0;
+	item->new = 0;
+	item->unread = 0;
+	item->total = 0;
+	item->unmarked_num = 0;
+	item->last_num = -1;
+	item->no_sub = FALSE;
+	item->no_select = FALSE;
+	item->collapsed = FALSE;
+	item->threaded = TRUE;
+	item->opened = FALSE;
+	item->updated = FALSE;
+	item->cache_dirty = FALSE;
+	item->mark_dirty = FALSE;
+	item->node = NULL;
+	item->parent = NULL;
+	item->folder = NULL;
+	item->account = NULL;
+	item->ac_apply_sub = FALSE;
+	item->auto_to = NULL;
+	item->use_auto_to_on_reply = FALSE;
+	item->auto_cc = NULL;
+	item->auto_bcc = NULL;
+	item->auto_replyto = NULL;
+	item->mark_queue = NULL;
+	item->data = NULL;
+
+	return item;
+}
+
+void folder_item_append(FolderItem *parent, FolderItem *item)
+{
+	g_return_if_fail(parent != NULL);
+	g_return_if_fail(parent->folder != NULL);
+	g_return_if_fail(parent->node != NULL);
+	g_return_if_fail(item != NULL);
+
+	item->parent = parent;
+	item->folder = parent->folder;
+	item->node = g_node_append_data(parent->node, item);
+}
+
+static gboolean folder_item_remove_func(GNode *node, gpointer data)
+{
+	FolderItem *item = FOLDER_ITEM(node->data);
+
+	folder_item_destroy(item);
+	return FALSE;
+}
+
+void folder_item_remove(FolderItem *item)
+{
+	GNode *node;
+
+	g_return_if_fail(item != NULL);
+	g_return_if_fail(item->folder != NULL);
+	g_return_if_fail(item->node != NULL);
+
+	node = item->node;
+
+	if (item->folder->node == node)
+		item->folder->node = NULL;
+
+	g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
+			folder_item_remove_func, NULL);
+	g_node_destroy(node);
+}
+
+void folder_item_remove_children(FolderItem *item)
+{
+	GNode *node, *next;
+
+	g_return_if_fail(item != NULL);
+	g_return_if_fail(item->folder != NULL);
+	g_return_if_fail(item->node != NULL);
+
+	node = item->node->children;
+	while (node != NULL) {
+		next = node->next;
+		folder_item_remove(FOLDER_ITEM(node->data));
+		node = next;
+	}
+}
+
+void folder_item_destroy(FolderItem *item)
+{
+	Folder *folder;
+
+	g_return_if_fail(item != NULL);
+
+	folder = item->folder;
+	if (folder) {
+		if (folder->inbox == item)
+			folder->inbox = NULL;
+		else if (folder->outbox == item)
+			folder->outbox = NULL;
+		else if (folder->draft == item)
+			folder->draft = NULL;
+		else if (folder->queue == item)
+			folder->queue = NULL;
+		else if (folder->trash == item)
+			folder->trash = NULL;
+	}
+
+	g_free(item->name);
+	g_free(item->path);
+	g_free(item->auto_to);
+	g_free(item->auto_cc);
+	g_free(item->auto_bcc);
+	g_free(item->auto_replyto);
+	g_free(item);
+}
+
+gint folder_item_compare(FolderItem *item_a, FolderItem *item_b)
+{
+	gint ret;
+	gchar *str_a, *str_b;
+
+	if (!item_a || !item_b)
+		return 0;
+	if (!item_a->parent || !item_b->parent)
+		return 0;
+	if (!item_a->name || !item_b->name)
+		return 0;
+
+	/* if both a and b are special folders, sort them according to
+	 * their types (which is in-order). Note that this assumes that
+	 * there are no multiple folders of a special type. */
+	if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
+		return item_a->stype - item_b->stype;
+
+	 /* if b is normal folder, and a is not, b is smaller (ends up
+	  * lower in the list) */
+	if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
+		return item_b->stype - item_a->stype;
+
+	/* if b is special folder, and a is not, b is larger (ends up
+	 * higher in the list) */
+	if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
+		return item_b->stype - item_a->stype;
+
+	/* otherwise just compare the folder names */
+	str_a = g_utf8_casefold(item_a->name, -1);
+	str_b = g_utf8_casefold(item_b->name, -1);
+	ret = g_utf8_collate(str_a, str_b);
+	g_free(str_b);
+	g_free(str_a);
+
+	return ret;
+}
+
+void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
+{
+	g_return_if_fail(folder != NULL);
+
+	folder->ui_func = func;
+	folder->ui_func_data = data;
+}
+
+void folder_set_name(Folder *folder, const gchar *name)
+{
+	g_return_if_fail(folder != NULL);
+
+	g_free(folder->name);
+	folder->name = name ? g_strdup(name) : NULL;
+	if (folder->node && folder->node->data) {
+		FolderItem *item = (FolderItem *)folder->node->data;
+
+		g_free(item->name);
+		item->name = name ? g_strdup(name) : NULL;
+	}
+}
+
+void folder_tree_destroy(Folder *folder)
+{
+	g_return_if_fail(folder != NULL);
+
+	if (folder->node)
+		folder_item_remove(FOLDER_ITEM(folder->node->data));
+}
+
+void folder_add(Folder *folder)
+{
+	Folder *cur_folder;
+	GList *cur;
+	gint i;
+
+	g_return_if_fail(folder != NULL);
+
+	for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
+		cur_folder = FOLDER(cur->data);
+		if (FOLDER_TYPE(folder) == F_MH) {
+			if (FOLDER_TYPE(cur_folder) != F_MH) break;
+		} else if (FOLDER_TYPE(folder) == F_IMAP) {
+			if (FOLDER_TYPE(cur_folder) != F_MH &&
+			    FOLDER_TYPE(cur_folder) != F_IMAP) break;
+		} else if (FOLDER_TYPE(folder) == F_NEWS) {
+			if (FOLDER_TYPE(cur_folder) != F_MH &&
+			    FOLDER_TYPE(cur_folder) != F_IMAP &&
+			    FOLDER_TYPE(cur_folder) != F_NEWS) break;
+		}
+	}
+
+	folder_list = g_list_insert(folder_list, folder, i);
+}
+
+GList *folder_get_list(void)
+{
+	return folder_list;
+}
+
+gint folder_read_list(void)
+{
+	GNode *node;
+	XMLNode *xmlnode;
+	gchar *path;
+
+	path = folder_get_list_path();
+	if (!is_file_exist(path)) return -1;
+	node = xml_parse_file(path);
+	if (!node) return -1;
+
+	xmlnode = node->data;
+	if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
+		g_warning("wrong folder list\n");
+		xml_free_tree(node);
+		return -1;
+	}
+
+	g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
+			folder_read_folder_func, NULL);
+
+	xml_free_tree(node);
+	if (folder_list)
+		return 0;
+	else
+		return -1;
+}
+
+void folder_write_list(void)
+{
+	GList *list;
+	Folder *folder;
+	gchar *path;
+	PrefFile *pfile;
+
+	path = folder_get_list_path();
+	if ((pfile = prefs_file_open(path)) == NULL) return;
+
+	fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
+		CS_INTERNAL);
+	fputs("\n<folderlist>\n", pfile->fp);
+
+	for (list = folder_list; list != NULL; list = list->next) {
+		folder = list->data;
+		folder_write_list_recursive(folder->node, pfile->fp);
+	}
+
+	fputs("</folderlist>\n", pfile->fp);
+
+	if (prefs_file_close(pfile) < 0)
+		g_warning("failed to write folder list.\n");
+}
+
+struct TotalMsgStatus
+{
+	guint new;
+	guint unread;
+	guint total;
+	GString *str;
+};
+
+static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
+{
+	FolderItem *item;
+	struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
+	gchar *id;
+
+	g_return_val_if_fail(node->data != NULL, FALSE);
+
+	item = FOLDER_ITEM(node->data);
+
+	if (!item->path) return FALSE;
+
+	status->new += item->new;
+	status->unread += item->unread;
+	status->total += item->total;
+
+	if (status->str) {
+		id = folder_item_get_identifier(item);
+		g_string_sprintfa(status->str, "%5d %5d %5d %s\n",
+				  item->new, item->unread,
+				  item->total, id);
+		g_free(id);
+	}
+
+	return FALSE;
+}
+
+static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
+				       guint *total)
+{
+	GList *list;
+	Folder *folder;
+	struct TotalMsgStatus status;
+
+	status.new = status.unread = status.total = 0;
+	status.str = str;
+
+	debug_print("Counting total number of messages...\n");
+
+	for (list = folder_list; list != NULL; list = list->next) {
+		folder = FOLDER(list->data);
+		if (folder->node)
+			g_node_traverse(folder->node, G_PRE_ORDER,
+					G_TRAVERSE_ALL, -1,
+					folder_get_status_full_all_func,
+					&status);
+	}
+
+	*new = status.new;
+	*unread = status.unread;
+	*total = status.total;
+}
+
+gchar *folder_get_status(GPtrArray *folders, gboolean full)
+{
+	guint new, unread, total;
+	GString *str;
+	gint i;
+	gchar *ret;
+
+	new = unread = total = 0;
+
+	str = g_string_new(NULL);
+
+	if (folders) {
+		for (i = 0; i < folders->len; i++) {
+			FolderItem *item;
+
+			item = g_ptr_array_index(folders, i);
+			new += item->new;
+			unread += item->unread;
+			total += item->total;
+
+			if (full) {
+				gchar *id;
+
+				id = folder_item_get_identifier(item);
+				g_string_sprintfa(str, "%5d %5d %5d %s\n",
+						  item->new, item->unread,
+						  item->total, id);
+				g_free(id);
+			}
+		}
+	} else {
+		folder_get_status_full_all(full ? str : NULL,
+					   &new, &unread, &total);
+	}
+
+	if (full)
+		g_string_sprintfa(str, "%5d %5d %5d\n", new, unread, total);
+	else
+		g_string_sprintfa(str, "%d %d %d\n", new, unread, total);
+
+	ret = str->str;
+	g_string_free(str, FALSE);
+
+	return ret;
+}
+
+Folder *folder_find_from_path(const gchar *path)
+{
+	GList *list;
+	Folder *folder;
+
+	for (list = folder_list; list != NULL; list = list->next) {
+		folder = list->data;
+		if (FOLDER_TYPE(folder) == F_MH &&
+		    !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
+			return folder;
+	}
+
+	return NULL;
+}
+
+Folder *folder_find_from_name(const gchar *name, FolderType type)
+{
+	GList *list;
+	Folder *folder;
+
+	for (list = folder_list; list != NULL; list = list->next) {
+		folder = list->data;
+		if (FOLDER_TYPE(folder) == type &&
+		    strcmp2(name, folder->name) == 0)
+			return folder;
+	}
+
+	return NULL;
+}
+
+static gboolean folder_item_find_func(GNode *node, gpointer data)
+{
+	FolderItem *item = node->data;
+	gpointer *d = data;
+	const gchar *path = d[0];
+
+	if (path_cmp(path, item->path) != 0)
+		return FALSE;
+
+	d[1] = item;
+
+	return TRUE;
+}
+
+FolderItem *folder_find_item_from_path(const gchar *path)
+{
+	Folder *folder;
+	gpointer d[2];
+
+	folder = folder_get_default_folder();
+	g_return_val_if_fail(folder != NULL, NULL);
+
+	d[0] = (gpointer)path;
+	d[1] = NULL;
+	g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+			folder_item_find_func, d);
+	return d[1];
+}
+
+FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
+{
+	GNode *node;
+	FolderItem *child;
+
+	for (node = item->node->children; node != NULL; node = node->next) {
+		child = FOLDER_ITEM(node->data);
+		if (strcmp2(g_basename(child->path), name) == 0)
+			return child;
+	}
+
+	return NULL;
+}
+
+static const struct {
+	gchar *str;
+	FolderType type;
+} type_str_table[] = {
+	{"#mh"     , F_MH},
+	{"#mbox"   , F_MBOX},
+	{"#maildir", F_MAILDIR},
+	{"#imap"   , F_IMAP},
+	{"#news"   , F_NEWS}
+};
+
+static gchar *folder_get_type_string(FolderType type)
+{
+	gint i;
+
+	for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
+	     i++) {
+		if (type_str_table[i].type == type)
+			return type_str_table[i].str;
+	}
+
+	return NULL;
+}
+
+static FolderType folder_get_type_from_string(const gchar *str)
+{
+	gint i;
+
+	for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
+	     i++) {
+		if (g_ascii_strcasecmp(type_str_table[i].str, str) == 0)
+			return type_str_table[i].type;
+	}
+
+	return F_UNKNOWN;
+}
+
+gchar *folder_get_identifier(Folder *folder)
+{
+	gchar *type_str;
+
+	g_return_val_if_fail(folder != NULL, NULL);
+
+	type_str = folder_get_type_string(FOLDER_TYPE(folder));
+	return g_strconcat(type_str, "/", folder->name, NULL);
+}
+
+gchar *folder_item_get_identifier(FolderItem *item)
+{
+	gchar *id;
+	gchar *folder_id;
+
+	g_return_val_if_fail(item != NULL, NULL);
+
+	if (!item->path) {
+		if (!item->parent)
+			return folder_get_identifier(item->folder);
+		else
+			return NULL;
+	}
+
+	folder_id = folder_get_identifier(item->folder);
+	id = g_strconcat(folder_id, "/", item->path, NULL);
+#ifdef G_OS_WIN32
+	subst_char(id, G_DIR_SEPARATOR, '/');
+#endif
+	g_free(folder_id);
+
+	return id;
+}
+
+FolderItem *folder_find_item_from_identifier(const gchar *identifier)
+{
+	Folder *folder;
+	gpointer d[2];
+	gchar *str;
+	gchar *p;
+	gchar *name;
+	gchar *path;
+	FolderType type;
+
+	g_return_val_if_fail(identifier != NULL, NULL);
+
+	if (*identifier != '#')
+		return folder_find_item_from_path(identifier);
+
+	Xstrdup_a(str, identifier, return NULL);
+
+	p = strchr(str, '/');
+	if (!p)
+		return folder_find_item_from_path(identifier);
+	*p = '\0';
+	p++;
+	type = folder_get_type_from_string(str);
+	if (type == F_UNKNOWN)
+		return folder_find_item_from_path(identifier);
+
+	name = p;
+	p = strchr(p, '/');
+	if (!p)
+		return folder_find_item_from_path(identifier);
+	*p = '\0';
+	p++;
+
+	folder = folder_find_from_name(name, type);
+	if (!folder)
+		return folder_find_item_from_path(identifier);
+
+	path = p;
+
+	d[0] = (gpointer)path;
+	d[1] = NULL;
+	g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+			folder_item_find_func, d);
+	return d[1];
+}
+
+Folder *folder_get_default_folder(void)
+{
+	return folder_list ? FOLDER(folder_list->data) : NULL;
+}
+
+FolderItem *folder_get_default_inbox(void)
+{
+	Folder *folder;
+
+	if (!folder_list) return NULL;
+	folder = FOLDER(folder_list->data);
+	g_return_val_if_fail(folder != NULL, NULL);
+	return folder->inbox;
+}
+
+FolderItem *folder_get_default_outbox(void)
+{
+	Folder *folder;
+
+	if (!folder_list) return NULL;
+	folder = FOLDER(folder_list->data);
+	g_return_val_if_fail(folder != NULL, NULL);
+	return folder->outbox;
+}
+
+FolderItem *folder_get_default_draft(void)
+{
+	Folder *folder;
+
+	if (!folder_list) return NULL;
+	folder = FOLDER(folder_list->data);
+	g_return_val_if_fail(folder != NULL, NULL);
+	return folder->draft;
+}
+
+FolderItem *folder_get_default_queue(void)
+{
+	Folder *folder;
+
+	if (!folder_list) return NULL;
+	folder = FOLDER(folder_list->data);
+	g_return_val_if_fail(folder != NULL, NULL);
+	return folder->queue;
+}
+
+FolderItem *folder_get_default_trash(void)
+{
+	Folder *folder;
+
+	if (!folder_list) return NULL;
+	folder = FOLDER(folder_list->data);
+	g_return_val_if_fail(folder != NULL, NULL);
+	return folder->trash;
+}
+
+#define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)	\
+{							\
+	if (!folder->member) {				\
+		item = folder_item_new(dir, dir);	\
+		item->stype = type;			\
+		folder_item_append(rootitem, item);	\
+		folder->member = item;			\
+	}						\
+}
+
+void folder_set_missing_folders(void)
+{
+	Folder *folder;
+	FolderItem *rootitem;
+	FolderItem *item;
+	GList *list;
+
+	for (list = folder_list; list != NULL; list = list->next) {
+		folder = list->data;
+		if (FOLDER_TYPE(folder) != F_MH) continue;
+		rootitem = FOLDER_ITEM(folder->node->data);
+		g_return_if_fail(rootitem != NULL);
+
+		if (folder->inbox && folder->outbox && folder->draft &&
+		    folder->queue && folder->trash)
+			continue;
+
+		if (folder->klass->create_tree(folder) < 0) {
+			g_warning("%s: can't create the folder tree.\n",
+				  LOCAL_FOLDER(folder)->rootpath);
+			continue;
+		}
+
+		CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
+		CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
+		CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
+		CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
+		CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
+	}
+}
+
+static gboolean folder_unref_account_func(GNode *node, gpointer data)
+{
+	FolderItem *item = node->data;
+	PrefsAccount *account = data;
+
+	if (item->account == account)
+		item->account = NULL;
+
+	return FALSE;
+}
+
+void folder_unref_account_all(PrefsAccount *account)
+{
+	Folder *folder;
+	GList *list;
+
+	if (!account) return;
+
+	for (list = folder_list; list != NULL; list = list->next) {
+		folder = list->data;
+		if (folder->account == account)
+			folder->account = NULL;
+		g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+				folder_unref_account_func, account);
+	}
+}
+
+#undef CREATE_FOLDER_IF_NOT_EXIST
+
+gchar *folder_get_path(Folder *folder)
+{
+	gchar *path;
+
+	g_return_val_if_fail(folder != NULL, NULL);
+
+	if (FOLDER_TYPE(folder) == F_MH) {
+		path = g_filename_from_utf8(LOCAL_FOLDER(folder)->rootpath,
+					    -1, NULL, NULL, NULL);
+		if (!path) {
+			g_warning("folder_get_path: faild to convert character set\n");
+			path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
+		}
+	} else if (FOLDER_TYPE(folder) == F_IMAP) {
+		g_return_val_if_fail(folder->account != NULL, NULL);
+		path = g_strconcat(get_imap_cache_dir(),
+				   G_DIR_SEPARATOR_S,
+				   folder->account->recv_server,
+				   G_DIR_SEPARATOR_S,
+				   folder->account->userid,
+				   NULL);
+	} else if (FOLDER_TYPE(folder) == F_NEWS) {
+		g_return_val_if_fail(folder->account != NULL, NULL);
+		path = g_strconcat(get_news_cache_dir(),
+				   G_DIR_SEPARATOR_S,
+				   folder->account->nntp_server,
+				   NULL);
+	} else
+		path = NULL;
+
+	return path;
+}
+
+gchar *folder_item_get_path(FolderItem *item)
+{
+	gchar *folder_path;
+	gchar *item_path = NULL, *path;
+
+	g_return_val_if_fail(item != NULL, NULL);
+
+	folder_path = folder_get_path(item->folder);
+	g_return_val_if_fail(folder_path != NULL, NULL);
+
+	if (item->path) {
+		item_path = g_filename_from_utf8(item->path, -1,
+						 NULL, NULL, NULL);
+		if (!item_path) {
+			g_warning("folder_item_get_path: faild to convert character set\n");
+			item_path = g_strdup(item->path);
+		}
+#ifdef G_OS_WIN32
+		subst_char(item_path, '/', G_DIR_SEPARATOR);
+#endif
+	}
+
+	if (g_path_is_absolute(folder_path)) {
+		if (item_path)
+			path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
+					   item_path, NULL);
+		else
+			path = g_strdup(folder_path);
+	} else {
+		if (item_path)
+			path = g_strconcat(get_mail_base_dir(),
+					   G_DIR_SEPARATOR_S, folder_path,
+					   G_DIR_SEPARATOR_S, item_path, NULL);
+		else
+			path = g_strconcat(get_mail_base_dir(),
+					   G_DIR_SEPARATOR_S, folder_path,
+					   NULL);
+	}
+
+	g_free(item_path);
+	g_free(folder_path);
+	return path;
+}
+
+gint folder_item_scan(FolderItem *item)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(item != NULL, -1);
+
+	folder = item->folder;
+	return folder->klass->scan(folder, item);
+}
+
+static void folder_item_scan_foreach_func(gpointer key, gpointer val,
+					  gpointer data)
+{
+	folder_item_scan(FOLDER_ITEM(key));
+}
+
+void folder_item_scan_foreach(GHashTable *table)
+{
+	g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
+}
+
+GSList *folder_item_get_msg_list(FolderItem *item, gboolean use_cache)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(item != NULL, NULL);
+
+	folder = item->folder;
+	return folder->klass->get_msg_list(folder, item, use_cache);
+}
+
+gchar *folder_item_fetch_msg(FolderItem *item, gint num)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(item != NULL, NULL);
+
+	folder = item->folder;
+
+	return folder->klass->fetch_msg(folder, item, num);
+}
+
+gint folder_item_fetch_all_msg(FolderItem *item)
+{
+	Folder *folder;
+	GSList *mlist;
+	GSList *cur;
+	gint num = 0;
+	gint ret = 0;
+
+	g_return_val_if_fail(item != NULL, -1);
+
+	debug_print("fetching all messages in %s ...\n", item->path);
+
+	folder = item->folder;
+
+	if (folder->ui_func)
+		folder->ui_func(folder, item, folder->ui_func_data ?
+				folder->ui_func_data : GINT_TO_POINTER(num));
+
+	mlist = folder_item_get_msg_list(item, TRUE);
+
+	for (cur = mlist; cur != NULL; cur = cur->next) {
+		MsgInfo *msginfo = (MsgInfo *)cur->data;
+		gchar *msg;
+
+		num++;
+		if (folder->ui_func)
+			folder->ui_func(folder, item,
+					folder->ui_func_data ?
+					folder->ui_func_data :
+					GINT_TO_POINTER(num));
+
+		msg = folder_item_fetch_msg(item, msginfo->msgnum);
+		if (!msg) {
+			g_warning("Can't fetch message %d. Aborting.\n",
+				  msginfo->msgnum);
+			ret = -1;
+			break;
+		}
+		g_free(msg);
+	}
+
+	procmsg_msg_list_free(mlist);
+
+	return ret;
+}
+
+MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(item != NULL, NULL);
+
+	folder = item->folder;
+
+	return folder->klass->get_msginfo(folder, item, num);
+}
+
+gint folder_item_add_msg(FolderItem *dest, const gchar *file, MsgFlags *flags,
+			 gboolean remove_source)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(dest != NULL, -1);
+	g_return_val_if_fail(file != NULL, -1);
+	g_return_val_if_fail(dest->folder->klass->add_msg != NULL, -1);
+
+	folder = dest->folder;
+
+	return folder->klass->add_msg(folder, dest, file, flags, remove_source);
+}
+
+gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
+			  gboolean remove_source, gint *first)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(dest != NULL, -1);
+	g_return_val_if_fail(file_list != NULL, -1);
+	g_return_val_if_fail(dest->folder->klass->add_msgs != NULL, -1);
+
+	folder = dest->folder;
+
+	return folder->klass->add_msgs(folder, dest, file_list, remove_source,
+				       first);
+}
+
+gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(dest != NULL, -1);
+	g_return_val_if_fail(msginfo != NULL, -1);
+	g_return_val_if_fail(dest->folder->klass->move_msg != NULL, -1);
+
+	folder = dest->folder;
+
+	return folder->klass->move_msg(folder, dest, msginfo);
+}
+
+gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(dest != NULL, -1);
+	g_return_val_if_fail(msglist != NULL, -1);
+	g_return_val_if_fail(dest->folder->klass->move_msgs != NULL, -1);
+
+	folder = dest->folder;
+
+	return folder->klass->move_msgs(folder, dest, msglist);
+}
+
+gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(dest != NULL, -1);
+	g_return_val_if_fail(msginfo != NULL, -1);
+	g_return_val_if_fail(dest->folder->klass->copy_msg != NULL, -1);
+
+	folder = dest->folder;
+
+	return folder->klass->copy_msg(folder, dest, msginfo);
+}
+
+gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(dest != NULL, -1);
+	g_return_val_if_fail(msglist != NULL, -1);
+	g_return_val_if_fail(dest->folder->klass->copy_msgs != NULL, -1);
+
+	folder = dest->folder;
+
+	return folder->klass->copy_msgs(folder, dest, msglist);
+}
+
+gint folder_item_remove_msg(FolderItem *item, MsgInfo *msginfo)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(item != NULL, -1);
+	g_return_val_if_fail(item->folder->klass->remove_msg != NULL, -1);
+
+	folder = item->folder;
+
+	return folder->klass->remove_msg(folder, item, msginfo);
+}
+
+gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
+{
+	Folder *folder;
+	gint ret = 0;
+
+	g_return_val_if_fail(item != NULL, -1);
+
+	folder = item->folder;
+	if (folder->klass->remove_msgs) {
+		return folder->klass->remove_msgs(folder, item, msglist);
+	}
+
+	while (msglist != NULL) {
+		MsgInfo *msginfo = (MsgInfo *)msglist->data;
+
+		ret = folder_item_remove_msg(item, msginfo);
+		if (ret != 0) break;
+		msglist = msglist->next;
+	}
+
+	return ret;
+}
+
+gint folder_item_remove_all_msg(FolderItem *item)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(item != NULL, -1);
+	g_return_val_if_fail(item->folder->klass->remove_all_msg != NULL, -1);
+
+	folder = item->folder;
+
+	return folder->klass->remove_all_msg(folder, item);
+}
+
+gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(item != NULL, FALSE);
+	g_return_val_if_fail(item->folder->klass->is_msg_changed != NULL,
+			     FALSE);
+
+	folder = item->folder;
+	return folder->klass->is_msg_changed(folder, item, msginfo);
+}
+
+gint folder_item_close(FolderItem *item)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(item != NULL, -1);
+
+	item->opened = FALSE;
+	folder = item->folder;
+	return folder->klass->close(folder, item);
+}
+
+gchar *folder_item_get_cache_file(FolderItem *item)
+{
+	gchar *path;
+	gchar *file;
+
+	g_return_val_if_fail(item != NULL, NULL);
+	g_return_val_if_fail(item->path != NULL, NULL);
+
+	path = folder_item_get_path(item);
+	g_return_val_if_fail(path != NULL, NULL);
+	if (!is_dir_exist(path))
+		make_dir_hier(path);
+	file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
+	g_free(path);
+
+	return file;
+}
+
+gchar *folder_item_get_mark_file(FolderItem *item)
+{
+	gchar *path;
+	gchar *file;
+
+	g_return_val_if_fail(item != NULL, NULL);
+	g_return_val_if_fail(item->path != NULL, NULL);
+
+	path = folder_item_get_path(item);
+	g_return_val_if_fail(path != NULL, NULL);
+	if (!is_dir_exist(path))
+		make_dir_hier(path);
+	file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
+	g_free(path);
+
+	return file;
+}
+
+static gboolean folder_build_tree(GNode *node, gpointer data)
+{
+	Folder *folder = FOLDER(data);
+	FolderItem *item;
+	XMLNode *xmlnode;
+	GList *list;
+	SpecialFolderItemType stype = F_NORMAL;
+	const gchar *name = NULL;
+	const gchar *path = NULL;
+	PrefsAccount *account = NULL;
+	gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE,
+		 threaded = TRUE, ac_apply_sub = FALSE;
+	FolderSortKey sort_key = SORT_BY_NONE;
+	FolderSortType sort_type = SORT_ASCENDING;
+	gint new = 0, unread = 0, total = 0;
+	time_t mtime = 0;
+	gboolean use_auto_to_on_reply = FALSE;
+	gchar *auto_to = NULL, *auto_cc = NULL, *auto_bcc = NULL,
+	      *auto_replyto = NULL;
+	gboolean trim_summary_subject = FALSE, trim_compose_subject = FALSE;
+
+	g_return_val_if_fail(node->data != NULL, FALSE);
+	if (!node->parent) return FALSE;
+
+	xmlnode = node->data;
+	if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
+		g_warning("tag name != \"folderitem\"\n");
+		return FALSE;
+	}
+
+	list = xmlnode->tag->attr;
+	for (; list != NULL; list = list->next) {
+		XMLAttr *attr = list->data;
+
+		if (!attr || !attr->name || !attr->value) continue;
+		if (!strcmp(attr->name, "type")) {
+			if (!g_ascii_strcasecmp(attr->value, "normal"))
+				stype = F_NORMAL;
+			else if (!g_ascii_strcasecmp(attr->value, "inbox"))
+				stype = F_INBOX;
+			else if (!g_ascii_strcasecmp(attr->value, "outbox"))
+				stype = F_OUTBOX;
+			else if (!g_ascii_strcasecmp(attr->value, "draft"))
+				stype = F_DRAFT;
+			else if (!g_ascii_strcasecmp(attr->value, "queue"))
+				stype = F_QUEUE;
+			else if (!g_ascii_strcasecmp(attr->value, "trash"))
+				stype = F_TRASH;
+		} else if (!strcmp(attr->name, "name"))
+			name = attr->value;
+		else if (!strcmp(attr->name, "path"))
+			path = attr->value;
+		else if (!strcmp(attr->name, "mtime"))
+			mtime = strtoul(attr->value, NULL, 10);
+		else if (!strcmp(attr->name, "new"))
+			new = atoi(attr->value);
+		else if (!strcmp(attr->name, "unread"))
+			unread = atoi(attr->value);
+		else if (!strcmp(attr->name, "total"))
+			total = atoi(attr->value);
+		else if (!strcmp(attr->name, "no_sub"))
+			no_sub = *attr->value == '1' ? TRUE : FALSE;
+		else if (!strcmp(attr->name, "no_select"))
+			no_select = *attr->value == '1' ? TRUE : FALSE;
+		else if (!strcmp(attr->name, "collapsed"))
+			collapsed = *attr->value == '1' ? TRUE : FALSE;
+		else if (!strcmp(attr->name, "threaded"))
+			threaded =  *attr->value == '1' ? TRUE : FALSE;
+		else if (!strcmp(attr->name, "sort_key")) {
+			if (!strcmp(attr->value, "none"))
+				sort_key = SORT_BY_NONE;
+			else if (!strcmp(attr->value, "number"))
+				sort_key = SORT_BY_NUMBER;
+			else if (!strcmp(attr->value, "size"))
+				sort_key = SORT_BY_SIZE;
+			else if (!strcmp(attr->value, "date"))
+				sort_key = SORT_BY_DATE;
+			else if (!strcmp(attr->value, "from"))
+				sort_key = SORT_BY_FROM;
+			else if (!strcmp(attr->value, "subject"))
+				sort_key = SORT_BY_SUBJECT;
+			else if (!strcmp(attr->value, "score"))
+				sort_key = SORT_BY_SCORE;
+			else if (!strcmp(attr->value, "label"))
+				sort_key = SORT_BY_LABEL;
+			else if (!strcmp(attr->value, "mark"))
+				sort_key = SORT_BY_MARK;
+			else if (!strcmp(attr->value, "unread"))
+				sort_key = SORT_BY_UNREAD;
+			else if (!strcmp(attr->value, "mime"))
+				sort_key = SORT_BY_MIME;
+			else if (!strcmp(attr->value, "to"))
+				sort_key = SORT_BY_TO;
+		} else if (!strcmp(attr->name, "sort_type")) {
+			if (!strcmp(attr->value, "ascending"))
+				sort_type = SORT_ASCENDING;
+			else
+				sort_type = SORT_DESCENDING;
+		} else if (!strcmp(attr->name, "account_id")) {
+			account = account_find_from_id(atoi(attr->value));
+			if (!account) g_warning("account_id: %s not found\n",
+						attr->value);
+		} else if (!strcmp(attr->name, "account_apply_sub"))
+			ac_apply_sub = *attr->value == '1' ? TRUE : FALSE;
+		else if (!strcmp(attr->name, "to"))
+			auto_to = g_strdup(attr->value);
+		else if (!strcmp(attr->name, "use_auto_to_on_reply"))
+			use_auto_to_on_reply =
+				*attr->value == '1' ? TRUE : FALSE;
+		else if (!strcmp(attr->name, "cc"))
+			auto_cc = g_strdup(attr->value);
+		else if (!strcmp(attr->name, "bcc"))
+			auto_bcc = g_strdup(attr->value);
+		else if (!strcmp(attr->name, "replyto"))
+			auto_replyto = g_strdup(attr->value);
+		else if (!strcmp(attr->name, "trim_summary_subject")) {
+			trim_summary_subject =
+				*attr->value == '1' ? TRUE : FALSE;
+		} else if (!strcmp(attr->name, "trim_compose_subject")) {
+			trim_compose_subject =
+				*attr->value = '1' ? TRUE : FALSE;
+		}
+	}
+
+	item = folder_item_new(name, path);
+	item->stype = stype;
+	item->mtime = mtime;
+	item->new = new;
+	item->unread = unread;
+	item->total = total;
+	item->no_sub = no_sub;
+	item->no_select = no_select;
+	item->collapsed = collapsed;
+	item->threaded  = threaded;
+	item->sort_key  = sort_key;
+	item->sort_type = sort_type;
+	item->node = node;
+	item->parent = FOLDER_ITEM(node->parent->data);
+	item->folder = folder;
+	switch (stype) {
+	case F_INBOX:  folder->inbox  = item; break;
+	case F_OUTBOX: folder->outbox = item; break;
+	case F_DRAFT:  folder->draft  = item; break;
+	case F_QUEUE:  folder->queue  = item; break;
+	case F_TRASH:  folder->trash  = item; break;
+	default:       break;
+	}
+	item->account = account;
+	item->ac_apply_sub = ac_apply_sub;
+	item->auto_to = auto_to;
+	item->use_auto_to_on_reply = use_auto_to_on_reply;
+	item->auto_cc = auto_cc;
+	item->auto_bcc = auto_bcc;
+	item->auto_replyto = auto_replyto;
+	item->trim_summary_subject = trim_summary_subject;
+	item->trim_compose_subject = trim_compose_subject;
+	node->data = item;
+	xml_free_node(xmlnode);
+
+	return FALSE;
+}
+
+static gboolean folder_read_folder_func(GNode *node, gpointer data)
+{
+	Folder *folder;
+	FolderItem *item;
+	XMLNode *xmlnode;
+	GList *list;
+	FolderType type = F_UNKNOWN;
+	const gchar *name = NULL;
+	const gchar *path = NULL;
+	PrefsAccount *account = NULL;
+	gboolean collapsed = FALSE, threaded = TRUE, ac_apply_sub = FALSE;
+
+	if (g_node_depth(node) != 2) return FALSE;
+	g_return_val_if_fail(node->data != NULL, FALSE);
+
+	xmlnode = node->data;
+	if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
+		g_warning("tag name != \"folder\"\n");
+		return TRUE;
+	}
+	g_node_unlink(node);
+	list = xmlnode->tag->attr;
+	for (; list != NULL; list = list->next) {
+		XMLAttr *attr = list->data;
+
+		if (!attr || !attr->name || !attr->value) continue;
+		if (!strcmp(attr->name, "type")) {
+			if (!g_ascii_strcasecmp(attr->value, "mh"))
+				type = F_MH;
+			else if (!g_ascii_strcasecmp(attr->value, "mbox"))
+				type = F_MBOX;
+			else if (!g_ascii_strcasecmp(attr->value, "maildir"))
+				type = F_MAILDIR;
+			else if (!g_ascii_strcasecmp(attr->value, "imap"))
+				type = F_IMAP;
+			else if (!g_ascii_strcasecmp(attr->value, "news"))
+				type = F_NEWS;
+		} else if (!strcmp(attr->name, "name"))
+			name = attr->value;
+		else if (!strcmp(attr->name, "path"))
+			path = attr->value;
+		else if (!strcmp(attr->name, "collapsed"))
+			collapsed = *attr->value == '1' ? TRUE : FALSE;
+		else if (!strcmp(attr->name, "threaded"))
+			threaded = *attr->value == '1' ? TRUE : FALSE;
+		else if (!strcmp(attr->name, "account_id")) {
+			account = account_find_from_id(atoi(attr->value));
+			if (!account) g_warning("account_id: %s not found\n",
+						attr->value);
+		} else if (!strcmp(attr->name, "account_apply_sub"))
+			ac_apply_sub = *attr->value == '1' ? TRUE : FALSE;
+	}
+
+	folder = folder_new(type, name, path);
+	g_return_val_if_fail(folder != NULL, FALSE);
+	folder->account = account;
+	if (account && (type == F_IMAP || type == F_NEWS))
+		account->folder = REMOTE_FOLDER(folder);
+	item = FOLDER_ITEM(folder->node->data);
+	node->data = item;
+	item->node = node;
+	g_node_destroy(folder->node);
+	folder->node = node;
+	folder_add(folder);
+	item->collapsed = collapsed;
+	item->threaded  = threaded;
+	item->account   = account;
+	item->ac_apply_sub = ac_apply_sub;
+
+	g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+			folder_build_tree, folder);
+
+	return FALSE;
+}
+
+static gchar *folder_get_list_path(void)
+{
+	static gchar *filename = NULL;
+
+	if (!filename)
+		filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
+					FOLDER_LIST, NULL);
+
+	return filename;
+}
+
+#define PUT_ESCAPE_STR(fp, attr, str)			\
+{							\
+	fputs(" " attr "=\"", fp);			\
+	xml_file_put_escape_str(fp, str);		\
+	fputs("\"", fp);				\
+}
+
+static void folder_write_list_recursive(GNode *node, gpointer data)
+{
+	FILE *fp = (FILE *)data;
+	FolderItem *item;
+	gint i, depth;
+	static gchar *folder_type_str[] = {"mh", "mbox", "maildir", "imap",
+					   "news", "unknown"};
+	static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
+						 "draft", "queue", "trash"};
+	static gchar *sort_key_str[] = {"none", "number", "size", "date",
+					"from", "subject", "score", "label",
+					"mark", "unread", "mime", "to"};
+
+	g_return_if_fail(node != NULL);
+	g_return_if_fail(fp != NULL);
+
+	item = FOLDER_ITEM(node->data);
+	g_return_if_fail(item != NULL);
+
+	depth = g_node_depth(node);
+	for (i = 0; i < depth; i++)
+		fputs("    ", fp);
+	if (depth == 1) {
+		Folder *folder = item->folder;
+
+		fprintf(fp, "<folder type=\"%s\"",
+			folder_type_str[FOLDER_TYPE(folder)]);
+		if (folder->name)
+			PUT_ESCAPE_STR(fp, "name", folder->name);
+		if (FOLDER_TYPE(folder) == F_MH)
+			PUT_ESCAPE_STR(fp, "path",
+				       LOCAL_FOLDER(folder)->rootpath);
+		if (item->collapsed && node->children)
+			fputs(" collapsed=\"1\"", fp);
+		if (folder->account)
+			fprintf(fp, " account_id=\"%d\"",
+				folder->account->account_id);
+		if (item->ac_apply_sub)
+			fputs(" account_apply_sub=\"1\"", fp);
+	} else {
+		fprintf(fp, "<folderitem type=\"%s\"",
+			folder_item_stype_str[item->stype]);
+		if (item->name)
+			PUT_ESCAPE_STR(fp, "name", item->name);
+		if (item->path)
+			PUT_ESCAPE_STR(fp, "path", item->path);
+
+		if (item->no_sub)
+			fputs(" no_sub=\"1\"", fp);
+		if (item->no_select)
+			fputs(" no_select=\"1\"", fp);
+		if (item->collapsed && node->children)
+			fputs(" collapsed=\"1\"", fp);
+		if (item->threaded)
+			fputs(" threaded=\"1\"", fp);
+		else
+			fputs(" threaded=\"0\"", fp);
+
+		if (item->sort_key != SORT_BY_NONE) {
+			fprintf(fp, " sort_key=\"%s\"",
+				sort_key_str[item->sort_key]);
+			if (item->sort_type == SORT_ASCENDING)
+				fprintf(fp, " sort_type=\"ascending\"");
+			else
+				fprintf(fp, " sort_type=\"descending\"");
+		}
+
+		fprintf(fp,
+			" mtime=\"%lu\" new=\"%d\" unread=\"%d\" total=\"%d\"",
+			item->mtime, item->new, item->unread, item->total);
+
+		if (item->account)
+			fprintf(fp, " account_id=\"%d\"",
+				item->account->account_id);
+		if (item->ac_apply_sub)
+			fputs(" account_apply_sub=\"1\"", fp);
+
+		if (item->auto_to)
+			PUT_ESCAPE_STR(fp, "to", item->auto_to);
+		if (item->use_auto_to_on_reply)
+			fputs(" use_auto_to_on_reply=\"1\"", fp);
+		if (item->auto_cc)
+			PUT_ESCAPE_STR(fp, "cc", item->auto_cc);
+		if (item->auto_bcc)
+			PUT_ESCAPE_STR(fp, "bcc", item->auto_bcc);
+		if (item->auto_replyto)
+			PUT_ESCAPE_STR(fp, "replyto", item->auto_replyto);
+
+		if (item->trim_summary_subject)
+			fputs(" trim_summary_subject=\"1\"", fp);
+		if (item->trim_compose_subject)
+			fputs(" trim_compose_subject=\"1\"", fp);
+	}
+
+	if (node->children) {
+		GNode *child;
+		fputs(">\n", fp);
+
+		child = node->children;
+		while (child) {
+			GNode *cur;
+
+			cur = child;
+			child = cur->next;
+			folder_write_list_recursive(cur, data);
+		}
+
+		for (i = 0; i < depth; i++)
+			fputs("    ", fp);
+		fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
+	} else
+		fputs(" />\n", fp);
+}
+
+#undef PUT_ESCAPE_STR