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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Copyright (C) 2011 Shaun McCance <shaunm@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Shaun McCance <shaunm@gnome.org>
*/
#include "config.h"
#include <glib/gi18n.h>
#include <sqlite3.h>
#include "yelp-sqlite-storage.h"
static void yelp_sqlite_storage_iface_init (YelpStorageInterface *iface);
static void yelp_sqlite_storage_finalize (GObject *object);
static void yelp_sqlite_storage_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void yelp_sqlite_storage_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void yelp_sqlite_storage_update (YelpStorage *storage,
const gchar *doc_uri,
const gchar *full_uri,
const gchar *title,
const gchar *desc,
const gchar *icon,
const gchar *text);
static GVariant * yelp_sqlite_storage_search (YelpStorage *storage,
const gchar *doc_uri,
const gchar *text);
static gchar * yelp_sqlite_storage_get_root_title (YelpStorage *storage,
const gchar *doc_uri);
static void yelp_sqlite_storage_set_root_title (YelpStorage *storage,
const gchar *doc_uri,
const gchar *title);
typedef struct _YelpSqliteStoragePrivate YelpSqliteStoragePrivate;
struct _YelpSqliteStoragePrivate {
gchar *filename;
sqlite3 *db;
GMutex mutex;
};
enum {
PROP_0,
PROP_FILENAME
};
G_DEFINE_TYPE_WITH_CODE (YelpSqliteStorage, yelp_sqlite_storage, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (YELP_TYPE_STORAGE,
yelp_sqlite_storage_iface_init))
#define GET_PRIV(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), YELP_TYPE_SQLITE_STORAGE, YelpSqliteStoragePrivate))
static void
yelp_sqlite_storage_finalize (GObject *object)
{
YelpSqliteStoragePrivate *priv = GET_PRIV (object);
if (priv->filename)
g_free (priv->filename);
if (priv->db)
sqlite3_close (priv->db);
g_mutex_clear (&priv->mutex);
G_OBJECT_CLASS (yelp_sqlite_storage_parent_class)->finalize (object);
}
static void
yelp_sqlite_storage_init (YelpSqliteStorage *storage)
{
YelpSqliteStoragePrivate *priv = GET_PRIV (storage);
g_mutex_init (&priv->mutex);
}
static void
yelp_sqlite_storage_constructed (GObject *object)
{
int status;
sqlite3_stmt *stmt = NULL;
YelpSqliteStoragePrivate *priv = GET_PRIV (object);
if (priv->filename != NULL)
status = sqlite3_open (priv->filename, &(priv->db));
else
status = sqlite3_open (":memory:", &(priv->db));
if (status != SQLITE_OK)
return;
status = sqlite3_prepare_v2 (priv->db,
"create virtual table pages using fts4("
" doc_uri, lang, full_uri,"
" title, desc, icon, body"
");",
-1, &stmt, NULL);
if (status != SQLITE_OK)
return;
sqlite3_step (stmt);
sqlite3_finalize (stmt);
status = sqlite3_prepare_v2 (priv->db,
"create table titles (doc_uri text, lang text, title text);",
-1, &stmt, NULL);
if (status != SQLITE_OK)
return;
sqlite3_step (stmt);
sqlite3_finalize (stmt);
}
static void
yelp_sqlite_storage_class_init (YelpSqliteStorageClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = yelp_sqlite_storage_constructed;
object_class->finalize = yelp_sqlite_storage_finalize;
object_class->get_property = yelp_sqlite_storage_get_property;
object_class->set_property = yelp_sqlite_storage_set_property;
g_type_class_add_private (klass, sizeof (YelpSqliteStoragePrivate));
g_object_class_install_property (object_class,
PROP_FILENAME,
g_param_spec_string ("filename",
"Database filename",
"The filename of the sqlite database",
NULL,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
}
static void
yelp_sqlite_storage_iface_init (YelpStorageInterface *iface)
{
iface->update = yelp_sqlite_storage_update;
iface->search = yelp_sqlite_storage_search;
iface->get_root_title = yelp_sqlite_storage_get_root_title;
iface->set_root_title = yelp_sqlite_storage_set_root_title;
}
YelpStorage *
yelp_sqlite_storage_new (const gchar *filename)
{
YelpStorage *storage;
storage = g_object_new (YELP_TYPE_SQLITE_STORAGE,
"filename", filename,
NULL);
return storage;
}
static void
yelp_sqlite_storage_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
YelpSqliteStoragePrivate *priv = GET_PRIV (object);
switch (prop_id) {
case PROP_FILENAME:
g_value_set_string (value, priv->filename);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
yelp_sqlite_storage_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
YelpSqliteStoragePrivate *priv = GET_PRIV (object);
switch (prop_id) {
case PROP_FILENAME:
priv->filename = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/******************************************************************************/
static void
yelp_sqlite_storage_update (YelpStorage *storage,
const gchar *doc_uri,
const gchar *full_uri,
const gchar *title,
const gchar *desc,
const gchar *icon,
const gchar *text)
{
sqlite3_stmt *stmt = NULL;
YelpSqliteStoragePrivate *priv = GET_PRIV (storage);
g_mutex_lock (&priv->mutex);
sqlite3_prepare_v2 (priv->db,
"delete from pages where doc_uri = ? and lang = ? and full_uri = ?;",
-1, &stmt, NULL);
sqlite3_bind_text (stmt, 1, doc_uri, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 2, g_get_language_names()[0], -1, SQLITE_STATIC);
sqlite3_bind_text (stmt, 3, full_uri, -1, SQLITE_TRANSIENT);
sqlite3_step (stmt);
sqlite3_finalize (stmt);
sqlite3_prepare_v2 (priv->db,
"insert into pages (doc_uri, lang, full_uri, title, desc, icon, body)"
" values (?, ?, ?, ?, ?, ?, ?);",
-1, &stmt, NULL);
sqlite3_bind_text (stmt, 1, doc_uri, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 2, g_get_language_names()[0], -1, SQLITE_STATIC);
sqlite3_bind_text (stmt, 3, full_uri, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 4, title, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 5, desc, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 6, icon, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 7, text, -1, SQLITE_TRANSIENT);
sqlite3_step (stmt);
sqlite3_finalize (stmt);
g_mutex_unlock (&priv->mutex);
}
static GVariant *
yelp_sqlite_storage_search (YelpStorage *storage,
const gchar *doc_uri,
const gchar *text)
{
sqlite3_stmt *stmt = NULL;
GVariantBuilder builder;
GVariant *ret;
YelpSqliteStoragePrivate *priv = GET_PRIV (storage);
g_mutex_lock (&priv->mutex);
sqlite3_prepare_v2 (priv->db,
"select full_uri, title, desc, icon from pages where"
" doc_uri = ? and lang = ? and body match ?;",
-1, &stmt, NULL);
sqlite3_bind_text (stmt, 1, doc_uri, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 2, g_get_language_names()[0], -1, SQLITE_STATIC);
sqlite3_bind_text (stmt, 3, text, -1, SQLITE_TRANSIENT);
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a(ssss)"));
while (sqlite3_step (stmt) == SQLITE_ROW) {
g_variant_builder_add (&builder, "(ssss)",
sqlite3_column_text (stmt, 0),
sqlite3_column_text (stmt, 1),
sqlite3_column_text (stmt, 2),
sqlite3_column_text (stmt, 3));
}
sqlite3_finalize (stmt);
ret = g_variant_new ("a(ssss)", &builder);
g_mutex_unlock (&priv->mutex);
return ret;
}
static gchar *
yelp_sqlite_storage_get_root_title (YelpStorage *storage,
const gchar *doc_uri)
{
gchar *ret = NULL;
sqlite3_stmt *stmt = NULL;
YelpSqliteStoragePrivate *priv = GET_PRIV (storage);
g_mutex_lock (&priv->mutex);
sqlite3_prepare_v2 (priv->db,
"select title from titles where doc_uri = ? and lang = ?;",
-1, &stmt, NULL);
sqlite3_bind_text (stmt, 1, doc_uri, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 2, g_get_language_names()[0], -1, SQLITE_STATIC);
if (sqlite3_step (stmt) == SQLITE_ROW)
ret = g_strdup ((const gchar *) sqlite3_column_text (stmt, 0));
sqlite3_finalize (stmt);
g_mutex_unlock (&priv->mutex);
return ret;
}
static void
yelp_sqlite_storage_set_root_title (YelpStorage *storage,
const gchar *doc_uri,
const gchar *title)
{
sqlite3_stmt *stmt = NULL;
YelpSqliteStoragePrivate *priv = GET_PRIV (storage);
g_mutex_lock (&priv->mutex);
sqlite3_prepare_v2 (priv->db,
"delete from titles where doc_uri = ? and lang = ?;",
-1, &stmt, NULL);
sqlite3_bind_text (stmt, 1, doc_uri, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 2, g_get_language_names()[0], -1, SQLITE_STATIC);
sqlite3_step (stmt);
sqlite3_finalize (stmt);
sqlite3_prepare_v2 (priv->db,
"insert into titles (doc_uri, lang, title)"
" values (?, ?, ?);",
-1, &stmt, NULL);
sqlite3_bind_text (stmt, 1, doc_uri, -1, SQLITE_TRANSIENT);
sqlite3_bind_text (stmt, 2, g_get_language_names()[0], -1, SQLITE_STATIC);
sqlite3_bind_text (stmt, 3, title, -1, SQLITE_TRANSIENT);
sqlite3_step (stmt);
sqlite3_finalize (stmt);
g_mutex_unlock (&priv->mutex);
}
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