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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2000 Helix Code Inc.
*
* Authors:
* Michael Zucchi <notzed@helixcode.com>
* Dan Winship <danw@helixcode.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 Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "camel-imap-summary.h"
#include <camel/camel-mime-message.h>
#include <sys/stat.h>
#include <sys/uio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#define CAMEL_IMAP_SUMMARY_VERSION (0x300)
static int summary_header_load (CamelFolderSummary *, FILE *);
static int summary_header_save (CamelFolderSummary *, FILE *);
static CamelMessageInfo *message_info_load (CamelFolderSummary *s, FILE *in);
static int message_info_save (CamelFolderSummary *s, FILE *out,
CamelMessageInfo *info);
static CamelMessageContentInfo *content_info_load (CamelFolderSummary *s, FILE *in);
static int content_info_save (CamelFolderSummary *s, FILE *out,
CamelMessageContentInfo *info);
static void camel_imap_summary_class_init (CamelImapSummaryClass *klass);
static void camel_imap_summary_init (CamelImapSummary *obj);
static CamelFolderSummaryClass *camel_imap_summary_parent;
CamelType
camel_imap_summary_get_type (void)
{
static CamelType type = CAMEL_INVALID_TYPE;
if (type == CAMEL_INVALID_TYPE) {
type = camel_type_register(
camel_folder_summary_get_type(), "CamelImapSummary",
sizeof (CamelImapSummary),
sizeof (CamelImapSummaryClass),
(CamelObjectClassInitFunc) camel_imap_summary_class_init,
NULL,
(CamelObjectInitFunc) camel_imap_summary_init,
NULL);
}
return type;
}
static void
camel_imap_summary_class_init (CamelImapSummaryClass *klass)
{
CamelFolderSummaryClass *cfs_class = (CamelFolderSummaryClass *) klass;
camel_imap_summary_parent = CAMEL_FOLDER_SUMMARY_CLASS (camel_type_get_global_classfuncs (camel_folder_summary_get_type()));
cfs_class->summary_header_load = summary_header_load;
cfs_class->summary_header_save = summary_header_save;
cfs_class->message_info_load = message_info_load;
cfs_class->message_info_save = message_info_save;
cfs_class->content_info_load = content_info_load;
cfs_class->content_info_save = content_info_save;
}
static void
camel_imap_summary_init (CamelImapSummary *obj)
{
CamelFolderSummary *s = (CamelFolderSummary *)obj;
/* subclasses need to set the right instance data sizes */
s->message_info_size = sizeof(CamelImapMessageInfo);
s->content_info_size = sizeof(CamelImapMessageContentInfo);
/* and a unique file version */
s->version += CAMEL_IMAP_SUMMARY_VERSION;
}
/**
* camel_imap_summary_new:
* @filename: the file to store the summary in.
* @validity: the current UIDVALIDITY value of the folder
*
* This will create a new CamelImapSummary object and read in the
* summary data from disk, if it exists and has the right UIDVALIDITY
* value.
*
* Return value: A new CamelImapSummary object.
**/
CamelFolderSummary *
camel_imap_summary_new (const char *filename, guint32 validity)
{
CamelFolderSummary *summary = CAMEL_FOLDER_SUMMARY (
camel_object_new (camel_imap_summary_get_type ()));
CamelImapSummary *imap_summary = (CamelImapSummary *)summary;
camel_folder_summary_set_build_content (summary, TRUE);
camel_folder_summary_set_filename (summary, filename);
if (camel_folder_summary_load (summary) == -1) {
if (errno == ENOENT) {
imap_summary->validity = validity;
return summary;
} else {
/* FIXME: are there error conditions where this won't work? */
camel_folder_summary_clear (summary);
camel_folder_summary_touch (summary);
return summary;
}
}
if (imap_summary->validity != validity) {
camel_folder_summary_clear (summary);
imap_summary->validity = validity;
}
return summary;
}
static int
summary_header_load (CamelFolderSummary *s, FILE *in)
{
CamelImapSummary *ims = CAMEL_IMAP_SUMMARY (s);
if (camel_imap_summary_parent->summary_header_load (s, in) == -1)
return -1;
return camel_folder_summary_decode_uint32 (in, &ims->validity);
}
static int
summary_header_save (CamelFolderSummary *s, FILE *out)
{
CamelImapSummary *ims = CAMEL_IMAP_SUMMARY(s);
if (camel_imap_summary_parent->summary_header_save (s, out) == -1)
return -1;
return camel_folder_summary_encode_uint32 (out, ims->validity);
}
static CamelMessageInfo *
message_info_load (CamelFolderSummary *s, FILE *in)
{
CamelMessageInfo *info;
CamelImapMessageInfo *iinfo;
info = camel_imap_summary_parent->message_info_load (s, in);
if (info) {
iinfo = (CamelImapMessageInfo *)info;
if (camel_folder_summary_decode_uint32 (in, &iinfo->server_flags) == -1)
goto error;
}
return info;
error:
camel_folder_summary_info_free (s, info);
return NULL;
}
static int
message_info_save (CamelFolderSummary *s, FILE *out, CamelMessageInfo *info)
{
CamelImapMessageInfo *iinfo = (CamelImapMessageInfo *)info;
if (camel_imap_summary_parent->message_info_save (s, out, info) == -1)
return -1;
return camel_folder_summary_encode_uint32 (out, iinfo->server_flags);
}
static CamelMessageContentInfo *
content_info_load (CamelFolderSummary *s, FILE *in)
{
if (fgetc (in))
return camel_imap_summary_parent->content_info_load (s, in);
else
return camel_folder_summary_content_info_new (s);
}
static int
content_info_save (CamelFolderSummary *s, FILE *out,
CamelMessageContentInfo *info)
{
if (info->type) {
fputc (1, out);
return camel_imap_summary_parent->content_info_save (s, out, info);
} else
return fputc (0, out);
}
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