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/*
* Copyright © 2011 Igalia S.L.
*
* 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, 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 "ephy-sqlite-connection.h"
#include <sqlite3.h>
struct _EphySQLiteConnectionPrivate {
sqlite3 *database;
};
#define EPHY_SQLITE_CONNECTION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), EPHY_TYPE_SQLITE_CONNECTION, EphySQLiteConnectionPrivate))
G_DEFINE_TYPE (EphySQLiteConnection, ephy_sqlite_connection, G_TYPE_OBJECT);
static void
ephy_sqlite_connection_finalize (GObject *self)
{
ephy_sqlite_connection_close (EPHY_SQLITE_CONNECTION (self));
G_OBJECT_CLASS (ephy_sqlite_connection_parent_class)->dispose (self);
}
static void
ephy_sqlite_connection_class_init (EphySQLiteConnectionClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = ephy_sqlite_connection_finalize;
g_type_class_add_private (object_class, sizeof (EphySQLiteConnectionPrivate));
}
static void
ephy_sqlite_connection_init (EphySQLiteConnection *self)
{
self->priv = EPHY_SQLITE_CONNECTION_GET_PRIVATE (self);
self->priv->database = NULL;
}
static GQuark get_ephy_sqlite_quark ()
{
return g_quark_from_static_string ("ephy-sqlite");
}
static void
set_error_from_string (const char* string, GError **error)
{
if (error)
*error = g_error_new (get_ephy_sqlite_quark (), 0, string, 0);
}
EphySQLiteConnection *
ephy_sqlite_connection_new ()
{
return EPHY_SQLITE_CONNECTION (g_object_new (EPHY_TYPE_SQLITE_CONNECTION, NULL));
}
gboolean
ephy_sqlite_connection_open (EphySQLiteConnection *self, const gchar *filename, GError **error)
{
EphySQLiteConnectionPrivate *priv = self->priv;
if (priv->database) {
set_error_from_string ("Connection already open.", error);
return FALSE;
}
if (sqlite3_open (filename, &priv->database) != SQLITE_OK) {
ephy_sqlite_connection_get_error (self, error);
priv->database = NULL;
return FALSE;
}
return TRUE;
}
void
ephy_sqlite_connection_close (EphySQLiteConnection *self)
{
EphySQLiteConnectionPrivate *priv = self->priv;
if (priv->database) {
sqlite3_close (priv->database);
priv->database = NULL;
}
}
void
ephy_sqlite_connection_get_error (EphySQLiteConnection *self, GError **error)
{
if (error)
*error = g_error_new (get_ephy_sqlite_quark (), 0, sqlite3_errmsg (self->priv->database), 0);
}
gboolean
ephy_sqlite_connection_execute (EphySQLiteConnection *self, const char *sql, GError **error)
{
EphySQLiteConnectionPrivate *priv = self->priv;
if (priv->database == NULL) {
set_error_from_string ("Connection not open.", error);
return FALSE;
}
return sqlite3_exec (priv->database, sql, NULL, NULL, NULL) == SQLITE_OK;
}
EphySQLiteStatement *
ephy_sqlite_connection_create_statement (EphySQLiteConnection *self, const char *sql, GError **error)
{
EphySQLiteConnectionPrivate *priv = self->priv;
sqlite3_stmt *prepared_statement;
if (priv->database == NULL) {
set_error_from_string ("Connection not open.", error);
return NULL;
}
if (sqlite3_prepare_v2 (priv->database, sql, -1, &prepared_statement, NULL) != SQLITE_OK) {
ephy_sqlite_connection_get_error (self, error);
return NULL;
}
return EPHY_SQLITE_STATEMENT (g_object_new (EPHY_TYPE_SQLITE_STATEMENT,
"prepared-statement", prepared_statement,
"connection", self,
NULL));
}
gint64
ephy_sqlite_connection_get_last_insert_id (EphySQLiteConnection *self)
{
return sqlite3_last_insert_rowid (self->priv->database);
}
gboolean
ephy_sqlite_connection_begin_transaction (EphySQLiteConnection *self, GError **error)
{
return ephy_sqlite_connection_execute (self, "BEGIN TRANSACTION", error);
}
gboolean
ephy_sqlite_connection_rollback_transaction (EphySQLiteConnection *self, GError **error)
{
return ephy_sqlite_connection_execute (self, "ROLLBACK", error);
}
gboolean
ephy_sqlite_connection_commit_transaction (EphySQLiteConnection *self, GError **error)
{
return ephy_sqlite_connection_execute (self, "COMMIT", error);
}
gboolean
ephy_sqlite_connection_table_exists (EphySQLiteConnection *self, const char *table_name)
{
GError *error = NULL;
gboolean table_exists = FALSE;
EphySQLiteStatement *statement = ephy_sqlite_connection_create_statement (self,
"SELECT COUNT(type) FROM sqlite_master WHERE type='table' and name=?", &error);
if (error) {
g_error ("Could not detect table existence: %s", error->message);
g_error_free (error);
return FALSE;
}
ephy_sqlite_statement_bind_string (statement, 0, table_name, &error);
if (error) {
g_object_unref (statement);
g_error ("Could not detect table existence: %s", error->message);
g_error_free (error);
return FALSE;
}
ephy_sqlite_statement_step (statement, &error);
if (error) {
g_object_unref (statement);
g_error ("Could not detect table existence: %s", error->message);
g_error_free (error);
return FALSE;
}
table_exists = ephy_sqlite_statement_get_column_as_int (statement, 0);
g_object_unref (statement);
return table_exists;
}
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