/* GdaXql: the xml query object
 * Copyright (C) 2000-2002 The GNOME Foundation.
 *
 * AUTHORS:
 * 	Gerhard Dieringer <gdieringer@compuserve.com>
 * 	Cleber Rodrigues <cleber@gnome-db.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "gda-xql-column.h"

static void gda_xql_column_init (GdaXqlColumn *xqlcol);
static void gda_xql_column_class_init (GdaXqlColumnClass *klass);

static GdaXqlAtomClass *parent_class = NULL;

GType
gda_xql_column_get_type (void)
{
	static GType type = 0;

	if (type == 0) {
		static const GTypeInfo info = {
			sizeof (GdaXqlColumnClass),
			(GBaseInitFunc) NULL,
			(GBaseFinalizeFunc) NULL,
			(GClassInitFunc) gda_xql_column_class_init,
			(GClassFinalizeFunc) NULL,
			NULL /* class_data */,
			sizeof (GdaXqlColumn),
			0 /* n_preallocs */,
			(GInstanceInitFunc) gda_xql_column_init,
		};

		type = g_type_register_static (GDA_TYPE_XQL_ATOM, "GdaXqlColumn", &info, 0);
	}

	return type;
}

static void 
gda_xql_column_init (GdaXqlColumn *xqlcol)
{

}

static void 
gda_xql_column_class_init (GdaXqlColumnClass *klass)
{
	parent_class = g_type_class_peek_parent (klass);
}

GdaXqlItem * 
gda_xql_column_new (void)
{
        GdaXqlItem *column;

	column = g_object_new (GDA_TYPE_XQL_ITEM, NULL);

        gda_xql_item_set_tag (column, "column");

        gda_xql_item_set_attrib (column, "num", "1");
        gda_xql_item_set_attrib (column, "order", "asc");

        return column;
}

GdaXqlItem * 
gda_xql_column_new_with_data (gint num, gboolean asc)
{
	
        GdaXqlItem *column;
        gchar *numstrg, *ascstrg;

        numstrg = g_strdup_printf ("%d", num);
        ascstrg = (asc) ? "asc" : "desc";
        column = gda_xql_column_new ();
        gda_xql_item_set_attrib (column, "num", numstrg);
        gda_xql_item_set_attrib (column, "order", ascstrg);
        g_free (numstrg);

        return column;
}