#ifndef SCM_STRPORTS_H
#define SCM_STRPORTS_H

/* Copyright 1995-1996,2000-2002,2006,2008,2010-2011,2018
     Free Software Foundation, Inc.

   This file is part of Guile.

   Guile is free software: you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   Guile 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 Lesser General Public
   License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with Guile.  If not, see
   <https://www.gnu.org/licenses/>.  */



#include <libguile/error.h>
#include <libguile/gc.h>
#include <libguile/ports.h>




#define SCM_STRPORTP(x) \
  (SCM_PORTP (x) && SCM_PORT_TYPE (x) == scm_string_port_type)
#define SCM_OPSTRPORTP(x)    (SCM_STRPORTP (x) && \
                              (SCM_CELL_WORD_0 (x) & SCM_OPN))
#define SCM_OPINSTRPORTP(x)  (SCM_OPSTRPORTP (x) && \
 			      (SCM_CELL_WORD_0 (x) & SCM_RDNG))
#define SCM_OPOUTSTRPORTP(x) (SCM_OPSTRPORTP (x) && \
                              (SCM_CELL_WORD_0 (x) & SCM_WRTNG))

#define SCM_VALIDATE_OPOUTSTRPORT(pos, port) \
  SCM_MAKE_VALIDATE_MSG (pos, port, OPOUTSTRPORTP, "open output string port")



SCM_API scm_t_port_type *scm_string_port_type;



SCM_API SCM scm_mkstrport (SCM pos, SCM str, long modes, const char * caller);
SCM_API SCM scm_strport_to_string (SCM port);
SCM_API SCM scm_object_to_string (SCM obj, SCM printer);
SCM_API SCM scm_call_with_output_string (SCM proc);
SCM_API SCM scm_call_with_input_string (SCM str, SCM proc);
SCM_API SCM scm_open_input_string (SCM str);
SCM_API SCM scm_open_output_string (void);
SCM_API SCM scm_get_output_string (SCM port);
SCM_API SCM scm_c_read_string (const char *expr);
SCM_API SCM scm_c_eval_string (const char *expr);
SCM_API SCM scm_c_eval_string_in_module (const char *expr, SCM module);
SCM_API SCM scm_eval_string (SCM string);
SCM_API SCM scm_eval_string_in_module (SCM string, SCM module);
SCM_INTERNAL void scm_init_strports (void);

#endif  /* SCM_STRPORTS_H */