/* 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.
 */

#if !defined(__gda_xql_func_h__)
#  define __gda_xql_func_h__

#include <glib.h>
#include <glib-object.h>
#include "gda-xql-bin.h"

G_BEGIN_DECLS

#define GDA_TYPE_XQL_FUNC	(gda_xql_func_get_type())
#define GDA_XQL_FUNC(obj)	G_TYPE_CHECK_INSTANCE_CAST((obj), gda_xql_func_get_type(), GdaXqlFunc)
#define GDA_XQL_FUNC_CONST(obj)	G_TYPE_CHECK_INSTANCE_CAST((obj), gda_xql_func_get_type(), GdaXqlFunc const)
#define GDA_XQL_FUNC_CLASS(klass)	G_TYPE_CHECK_CLASS_CAST((klass), gda_xql_func_get_type(), GdaXqlFuncClass)
#define GDA_IS_XQL_FUNC(obj)	G_TYPE_CHECK_INSTANCE_TYPE((obj), gda_xql_func_get_type ())

#define GDA_XQL_FUNC_GET_CLASS(obj)	G_TYPE_INSTANCE_GET_CLASS((obj), gda_xql_func_get_type(), GdaXqlFuncClass)

typedef struct _GdaXqlFunc GdaXqlFunc;
typedef struct _GdaXqlFuncClass GdaXqlFuncClass;

struct _GdaXqlFunc {
	GdaXqlBin xqlbin;
};

struct _GdaXqlFuncClass {
	GdaXqlBinClass parent_class;
};


GType	gda_xql_func_get_type	(void);
GdaXqlItem * 	gda_xql_func_new	(void);
GdaXqlItem * 	gda_xql_func_new_with_data	(gchar *name,
						 gchar * alias,
						 gchar * aggregate);
void 	gda_xql_func_add_const_from_text	(GdaXqlFunc *xqlfunc,
						 gchar *value,
						 gchar *type,
						 gchar *null);
void 	gda_xql_func_add_field_from_text	(GdaXqlFunc *xqlfunc,
						 gchar *id,
						 gchar *name,
						 gchar *alias);

G_END_DECLS

#endif