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hedera/sql/sql-param-list.c

110 lines
2.5 KiB
C

/*
* Copyright (C) 2013 - Juan Ferrer Toribio
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "sql-param-list.h"
#include "sql-holder.h"
GParamSpec *
sql_param_list (const gchar * name, const gchar * nick,
const gchar * blurb, GType items_type, GParamFlags flags)
{
SqlParamList * pspec;
g_return_val_if_fail (g_type_is_a (items_type, SQL_TYPE_OBJECT), NULL);
pspec = g_param_spec_internal (SQL_TYPE_PARAM_OBJECT
,name
,nick
,blurb
,flags
);
pspec->items_type = items_type;
G_PARAM_SPEC (pspec)->value_type = SQL_TYPE_LIST;
return G_PARAM_SPEC (pspec);
}
static void
sql_param_list_init (GParamSpec * pspec) {}
static void
sql_param_list_set_default (GParamSpec * pspec, GValue * value)
{
SqlList * list = sql_list_new (SQL_PARAM_LIST (pspec)->items_type);
g_value_set_object (value, list);
}
static gboolean
sql_param_list_validate (GParamSpec * pspec, GValue * value)
{
GType type;
gboolean change;
gpointer object = g_value_get_object (value);
if (!object)
return TRUE;
type = G_OBJECT_TYPE (object);
change = !(
(g_value_type_compatible (type, SQL_TYPE_LIST)
&& SQL_PARAM_LIST (pspec)->items_type == sql_list_get_items_type (object))
|| g_value_type_compatible (type, SQL_TYPE_HOLDER)
);
if (change)
g_value_set_object (value, NULL);
return change;
}
static gint
sql_param_list_values_cmp (GParamSpec * pspec, const GValue * a, const GValue * b)
{
guint8 * pa = g_value_get_object (a);
guint8 * pb = g_value_get_object (b);
return pa < pb ? -1 : pa > pb;
}
GType
sql_param_list_get_type ()
{
static GType type = 0;
if (!type)
{
GParamSpecTypeInfo pspec_info =
{
sizeof (SqlParamList)
,16
,sql_param_list_init
,SQL_TYPE_LIST
,NULL
,sql_param_list_set_default
,sql_param_list_validate
,sql_param_list_values_cmp
};
type = g_param_type_register_static (
g_intern_static_string ("SqlParamList"), &pspec_info);
}
return type;
}