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/*
** Copyright (C) 2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** 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, 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, write to the Free Software Foundation,
** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**
*/
#ifndef __MU_GUILE_H__
#define __MU_GUILE_H__
#include <glib.h>
#include <mu-query.h>
G_BEGIN_DECLS
struct _MuGuile {
MuQuery *query;
};
typedef struct _MuGuile MuGuile;
/**
* get the single MuGuile instance
*
* @return the instance or NULL in case of error
*/
MuGuile *mu_guile_instance (void);
/**
* whether mu-guile is initialized
*
* @return TRUE if MuGuile is Initialized, FALSE otherwise
*/
gboolean mu_guile_initialized (void);
/**
* raise a guile error (based on a GError)
*
* @param func_name function name
* @param err the error
*
* @return SCM_UNSPECIFIED
*/
SCM mu_guile_g_error (const char *func_name, GError *err);
/**
* raise a guile error
*
* @param func_name function
* @param status err code
* @param fmt format string for error msg
* @param args params for format string
*
* @return SCM_UNSPECIFIED
*/
SCM mu_guile_error (const char *func_name, int status,
const char *fmt, SCM args);
/**
* convert a const char* into an SCM -- either a string or, if str ==
* NULL, #f. It assumes str is in UTF8 encoding, and replace
* characters with '?' if needed.
*
* @param str a string or NULL
*
* @return a guile string or #f
*/
SCM mu_guile_scm_from_str (const char *str);
/**
* Initialize this mu guile module.
*
* @param data
*
* @return
*/
void* mu_guile_init (void *data);
G_END_DECLS
#endif /*__MU_GUILE_H__*/
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