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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-imap-search.c: IMAP folder search */
/*
* Authors:
* Dan Winship <danw@ximian.com>
*
* Copyright 2000, 2001 Ximian, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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 <string.h>
#include "camel-imap-command.h"
#include "camel-imap-folder.h"
#include "camel-imap-store.h"
#include "camel-imap-search.h"
#include "camel-imap-private.h"
#include "camel-imap-utils.h"
static ESExpResult *
imap_body_contains (struct _ESExp *f, int argc, struct _ESExpResult **argv,
CamelFolderSearch *s);
static CamelFolderSearchClass *imap_search_parent_class;
static void
camel_imap_search_class_init (CamelImapSearchClass *camel_imap_search_class)
{
/* virtual method overload */
CamelFolderSearchClass *camel_folder_search_class =
CAMEL_FOLDER_SEARCH_CLASS (camel_imap_search_class);
imap_search_parent_class = camel_type_get_global_classfuncs (camel_folder_search_get_type ());
/* virtual method overload */
camel_folder_search_class->body_contains = imap_body_contains;
}
CamelType
camel_imap_search_get_type (void)
{
static CamelType camel_imap_search_type = CAMEL_INVALID_TYPE;
if (camel_imap_search_type == CAMEL_INVALID_TYPE) {
camel_imap_search_type = camel_type_register (
CAMEL_FOLDER_SEARCH_TYPE, "CamelImapSearch",
sizeof (CamelImapSearch),
sizeof (CamelImapSearchClass),
(CamelObjectClassInitFunc) camel_imap_search_class_init,
NULL, NULL, NULL);
}
return camel_imap_search_type;
}
static int
cmp_uid(const void *ap, const void *bp)
{
unsigned int a, b;
a = strtoul(((char **)ap)[0], NULL, 10);
b = strtoul(((char **)bp)[0], NULL, 10);
if (a<b)
return -1;
else if (a>b)
return 1;
return 0;
}
static ESExpResult *
imap_body_contains (struct _ESExp *f, int argc, struct _ESExpResult **argv,
CamelFolderSearch *s)
{
CamelImapStore *store = CAMEL_IMAP_STORE (s->folder->parent_store);
char *value = argv[0]->value.string;
CamelImapResponse *response = NULL;
char *result, *p, *lasts = NULL, *real_uid;
const char *uid = "";
ESExpResult *r;
CamelMessageInfo *info;
GHashTable *uid_hash = NULL;
char *set;
GPtrArray *sorted;
int i;
/* If offline, search using the parent class, which can handle this manually */
if (!camel_disco_store_check_online (CAMEL_DISCO_STORE (store), NULL))
return imap_search_parent_class->body_contains(f, argc, argv, s);
if (s->current) {
uid = camel_message_info_uid (s->current);
r = e_sexp_result_new (f, ESEXP_RES_BOOL);
r->value.bool = FALSE;
response = camel_imap_command (store, s->folder, NULL,
"UID SEARCH UID %s BODY \"%s\"",
uid, value);
} else {
r = e_sexp_result_new (f, ESEXP_RES_ARRAY_PTR);
if (argc == 1 && *value == '\0' && s->folder) {
/* optimise the match "" case - match everything */
r->value.ptrarray = g_ptr_array_new ();
for (i = 0; i < s->summary->len; i++) {
CamelMessageInfo *info = g_ptr_array_index (s->summary, i);
g_ptr_array_add (r->value.ptrarray, (char *)camel_message_info_uid (info));
}
} else {
/* If searching a (reasonably small) subset of
the real folder size, then use a
message-set to optimise it */
/* TODO: This peeks a bunch of 'private'ish data */
if (s->summary->len < camel_folder_get_message_count(s->folder)/2) {
sorted = g_ptr_array_new();
g_ptr_array_set_size(sorted, s->summary->len);
for (i=0;i<s->summary->len;i++)
sorted->pdata[i] = (void *)camel_message_info_uid((CamelMessageInfo *)s->summary->pdata[i]);
qsort(sorted->pdata, sorted->len, sizeof(sorted->pdata[0]), cmp_uid);
set = imap_uid_array_to_set(s->folder->summary, sorted);
response = camel_imap_command (store, s->folder, NULL,
"UID SEARCH UID %s BODY \"%s\"",
set, value);
g_free(set);
g_ptr_array_free(sorted, TRUE);
} else {
response = camel_imap_command (store, s->folder, NULL,
"UID SEARCH BODY \"%s\"",
value);
}
r->value.ptrarray = g_ptr_array_new ();
}
}
if (!response)
return r;
result = camel_imap_response_extract (store, response, "SEARCH", NULL);
if (!result)
return r;
p = result + sizeof ("* SEARCH");
for (p = strtok_r (p, " ", &lasts); p; p = strtok_r (NULL, " ", &lasts)) {
if (s->current) {
if (!strcmp (uid, p)) {
r->value.bool = TRUE;
break;
}
} else {
/* if we need to setup a hash of summary items, this way we get
access to the summary memory which is locked for the duration of
the search, and wont vanish on us */
if (uid_hash == NULL) {
uid_hash = g_hash_table_new (g_str_hash, g_str_equal);
for (i = 0; i < s->summary->len; i++) {
info = s->summary->pdata[i];
g_hash_table_insert (uid_hash, (char *)camel_message_info_uid (info), info);
}
}
if (g_hash_table_lookup_extended (uid_hash, p, (void *)&real_uid, (void *)&info))
g_ptr_array_add (r->value.ptrarray, real_uid);
}
}
/* we could probably cache this globally, but its probably not worth it */
if (uid_hash)
g_hash_table_destroy (uid_hash);
return r;
}
/**
* camel_imap_search_new:
*
* Return value: A new CamelImapSearch widget.
**/
CamelFolderSearch *
camel_imap_search_new (void)
{
CamelFolderSearch *new = CAMEL_FOLDER_SEARCH (camel_object_new (camel_imap_search_get_type ()));
camel_folder_search_construct (new);
return new;
}
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