mirror of
https://github.com/djcb/mu.git
synced 2024-06-28 07:41:04 +02:00
110 lines
2.3 KiB
C++
110 lines
2.3 KiB
C++
/*
|
|
** Copyright (C) 2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
|
|
**
|
|
** 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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
**
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <xapian.h>
|
|
|
|
#include <cstring>
|
|
#include <errno.h>
|
|
|
|
#include "mu-util.h"
|
|
#include "mu-util-xapian.h"
|
|
|
|
char*
|
|
mu_util_xapian_db_version (const gchar *xpath)
|
|
{
|
|
g_return_val_if_fail (xpath, NULL);
|
|
|
|
if (!access(xpath, F_OK) == 0) {
|
|
g_warning ("cannot access %s: %s", xpath, strerror(errno));
|
|
return NULL;
|
|
}
|
|
|
|
try {
|
|
Xapian::Database db (xpath);
|
|
const std::string version
|
|
(db.get_metadata (MU_XAPIAN_VERSION_KEY));
|
|
|
|
return version.empty() ? NULL : g_strdup (version.c_str());
|
|
|
|
} MU_XAPIAN_CATCH_BLOCK;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
gboolean
|
|
mu_util_xapian_db_version_up_to_date (const gchar *xpath)
|
|
{
|
|
gchar *version;
|
|
gboolean uptodate;
|
|
|
|
g_return_val_if_fail (xpath, FALSE);
|
|
|
|
version = mu_util_xapian_db_version (xpath);
|
|
if (!version)
|
|
return FALSE;
|
|
|
|
uptodate = (std::strcmp (version, MU_XAPIAN_DB_VERSION) == 0);
|
|
g_free (version);
|
|
|
|
return uptodate;
|
|
}
|
|
|
|
|
|
gboolean
|
|
mu_util_xapian_db_is_empty (const gchar* xpath)
|
|
{
|
|
g_return_val_if_fail (xpath, TRUE);
|
|
|
|
/* it's 'empty' (non-existant) */
|
|
if (access(xpath, F_OK) != 0 && errno == ENOENT)
|
|
return TRUE;
|
|
|
|
try {
|
|
Xapian::Database db (xpath);
|
|
return db.get_doccount() == 0 ? TRUE : FALSE;
|
|
|
|
} MU_XAPIAN_CATCH_BLOCK;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
mu_util_xapian_clear_database (const gchar *xpath)
|
|
{
|
|
g_return_val_if_fail (xpath, FALSE);
|
|
|
|
try {
|
|
Xapian::WritableDatabase db
|
|
(xpath, Xapian::DB_CREATE_OR_OVERWRITE);
|
|
db.flush ();
|
|
|
|
MU_WRITE_LOG ("emptied database %s", xpath);
|
|
|
|
return TRUE;
|
|
|
|
} MU_XAPIAN_CATCH_BLOCK;
|
|
|
|
return FALSE;
|
|
}
|
|
|