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+/*=============================================================================*\
+ * File: pd_alphabet.h
+ * Author: Bryan Jurish <moocow@ling.uni-potsdam.de>
+ * Description: finite state automata for Pd
+ *
+ * Copyright (c) 2004 Bryan Jurish.
+ *
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+ *
+ * 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
+ * of the License, or (at your option) any later version.
+ *
+ * See file LICENSE for further informations on licensing terms.
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *=============================================================================*/
+
+#ifndef _PD_GFSM_ALPHABET_H
+#define _PD_GFSM_ALPHABET_H
+
+#include <m_pd.h>
+#include <gfsm.h>
+#include <atom_alphabet.h>
+
+
+/*--------------------------------------------------------------
+ * pd_gfsm_alphabet
+ */
+typedef struct _pd_gfsm_alphabet_pd
+{
+  t_pd                 x_pd;
+  t_symbol            *x_name;
+  size_t               x_refcnt;
+  gfsmAlphabet        *x_alphabet; //-- really a (gfsmPdAtomAlphabet*)
+} t_pd_gfsm_alphabet_pd;
+
+
+/*--------------------------------------------------------------
+ * pd_gfsm_alphabet
+ */
+typedef struct _pd_gfsm_alphabet_obj
+{
+  t_object                x_obj;
+  t_pd_gfsm_alphabet_pd  *x_alphabet_pd;
+  t_outlet               *x_labout;
+  t_outlet               *x_keyout;
+} t_pd_gfsm_alphabet_obj;
+
+
+/*--------------------------------------------------------------
+ * pd_gfsm_alphabet: methods
+ */
+//-- finds pd_gfsm_alphabet named 'name', returns NULL if it doesn't exist
+t_pd_gfsm_alphabet_pd *pd_gfsm_alphabet_pd_find(t_symbol *name);
+
+//-- finds pd_gfsm_alphabet named 'name', creating it if it doesn't exist
+t_pd_gfsm_alphabet_pd *pd_gfsm_alphabet_pd_get(t_symbol *name);
+
+//-- releases one reference to pd_gfsm_alphabet named 'name', possibly freeing the pd_gfsm_alphabet
+void pd_gfsm_alphabet_pd_release(t_pd_gfsm_alphabet_pd *x);
+
+/*--------------------------------------------------------------
+ * setup methods
+ */
+void pd_gfsm_alphabet_setup(void);
+
+
+#endif /* _PD_GFSM_ALPHABET_H */