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/* -*- Mode: C -*- */
/*=============================================================================*\
* File: any2string.c
* Author: Bryan Jurish <moocow@ling.uni-potsdam.de>
* Description: convert pd messages to strings (dynamic allocation)
*
* Copyright (c) 2004 - 2009 Bryan Jurish.
*
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file "COPYING", 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.
*
* 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.
*=============================================================================*/
#include <string.h>
#include <m_pd.h>
#include "mooPdUtils.h"
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* black magic */
#ifdef NT
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif
/*--------------------------------------------------------------------
* DEBUG
*--------------------------------------------------------------------*/
/*#define ANY2STRING_DEBUG 1*/
#ifdef ANY2STRING_DEBUG
# define A2SDEBUG(x) x
#else
# define A2SDEBUG(x)
#endif
#define ANY2STRING_DEFAULT_BUFLEN 256
/*=====================================================================
* Structures and Types: any2string
*=====================================================================*/
static t_class *any2string_class;
typedef struct _any2string
{
t_object x_obj;
int x_alloc;
int x_argc;
t_float x_eos; //-- EOS character to add (<0 for none)
char *x_text;
t_atom *x_argv;
t_binbuf *x_binbuf;
t_inlet *x_eos_in;
t_outlet *x_outlet;
} t_any2string;
/*=====================================================================
* Constants
*=====================================================================*/
static char *any2string_banner = "any2string: pdstring version " PACKAGE_VERSION " by Bryan Jurish";
/*=====================================================================
* Methods
*=====================================================================*/
/*--------------------------------------------------------------------
* anything
*/
static void any2string_anything(t_any2string *x, t_symbol *sel, int argc, t_atom *argv)
{
t_atom *ap;
unsigned char *s, *s_max;
int len;
A2SDEBUG(post("-------any2string_anything(%p,...)---------", x));
/*-- set up binbuf --*/
A2SDEBUG(post("any2string[%p]: binbuf_clear()", x));
binbuf_clear(x->x_binbuf);
/*-- binbuf_add(): selector --*/
if (sel != &s_float && sel != &s_list && sel != &s_) {
t_atom a;
A2SDEBUG(post("any2string[%p]: binbuf_add(): selector: '%s'", x, sel->s_name));
SETSYMBOL((&a), sel);
binbuf_add(x->x_binbuf, 1, &a);
}
A2SDEBUG(else { post("any2string[%p]: selector: '%s': IGNORED", x, sel->s_name); });
/*-- binbuf_add(): arg list --*/
A2SDEBUG(post("any2string[%p]: binbuf_add(): arg list", x));
binbuf_add(x->x_binbuf, argc, argv);
A2SDEBUG(post("any2string[%p]: binbuf_print: ", x));
A2SDEBUG(binbuf_print(x->x_binbuf));
A2SDEBUG(post("any2string[%p]: binbuf_gettext()", x));
binbuf_gettext(x->x_binbuf, &(x->x_text), &len);
A2SDEBUG(post("any2string[%p]: binbuf_gettext() = \"%s\" ; len=%d", x, x->x_text, len));
/*text[len] = 0;*/ /*-- ? avoid errors: "free(): invalid next size(fast): 0x..." */
/*-- get output atom-list length --*/
x->x_argc = len;
if (x->x_eos >= 0) { x->x_argc++; }
A2SDEBUG(post("any2string[%p]: argc=%d", x, x->x_argc));
/*-- (re-)allocate (maybe) --*/
if (x->x_alloc < x->x_argc) {
A2SDEBUG(post("any2string[%p]: reallocate(%d->%d)", x, x->x_alloc, x->x_argc));
freebytes(x->x_argv, x->x_alloc*sizeof(t_atom));
x->x_argv = (t_atom*)getbytes(x->x_argc * sizeof(t_atom));
x->x_alloc = x->x_argc;
}
/*-- atom buffer: binbuf text --*/
A2SDEBUG(post("any2string[%p]: atom buffer: for {...}", x));
ap = x->x_argv;
s_max = ((unsigned char *)x->x_text)+len;
for (s=((unsigned char *)x->x_text); s < s_max; s++, ap++) {
A2SDEBUG(post("any2string[%p]: atom buffer[%d]: SETFLOAT(a,%d='%c')", x, (ap-x->x_argv), *s, *s));
SETFLOAT(ap,*s);
}
A2SDEBUG(post("any2string: atom buffer: DONE"));
/*-- add EOS character (maybe) --*/
if (x->x_eos >= 0) { SETFLOAT(ap, ((int)x->x_eos)); }
A2SDEBUG(post("any2string: outlet_list(..., %d, ...)", x->x_argc));
outlet_list(x->x_outlet, &s_list, x->x_argc, x->x_argv);
}
/*--------------------------------------------------------------------
* new
*/
static void *any2string_new(MOO_UNUSED t_symbol *sel, int argc, t_atom *argv)
{
t_any2string *x = (t_any2string *)pd_new(any2string_class);
//-- defaults
x->x_eos = 0;
x->x_alloc = ANY2STRING_DEFAULT_BUFLEN;
//-- args: 0: bufsize
if (argc > 0) {
int bufsize = atom_getintarg(0, argc, argv);
if (bufsize > 0) { x->x_alloc = bufsize; }
}
//-- args: 1: eos
if (argc > 1) {
x->x_eos = atom_getfloatarg(1, argc, argv);
}
//-- allocate
x->x_text = getbytes(x->x_alloc*sizeof(char));
x->x_argc = 0;
x->x_argv = (t_atom *)getbytes(x->x_alloc*sizeof(t_atom));
x->x_binbuf = binbuf_new();
//-- inlets
x->x_eos_in = floatinlet_new(&x->x_obj, &x->x_eos);
//-- outlets
x->x_outlet = outlet_new(&x->x_obj, &s_list);
//-- report
A2SDEBUG(post("any2string_new(): x=%p, alloc=%d, eos=%d, text=%p, argv=%p, binbuf=%p", x, x->x_alloc, x->x_eos, x->x_text, x->x_argv, x->x_binbuf));
return (void *)x;
}
/*--------------------------------------------------------------------
* free
*/
static void any2string_free(t_any2string *x)
{
if (x->x_text) {
freebytes(x->x_text, x->x_alloc*sizeof(char));
x->x_text = NULL;
}
if (x->x_argv) {
freebytes(x->x_argv, x->x_alloc*sizeof(t_atom));
x->x_argv = NULL;
}
binbuf_free(x->x_binbuf);
inlet_free(x->x_eos_in);
outlet_free(x->x_outlet);
return;
}
/*--------------------------------------------------------------------
* setup (guts)
*/
void any2string_setup_guts(void)
{
//-- class
any2string_class = class_new(gensym("any2string"),
(t_newmethod)any2string_new,
(t_method)any2string_free,
sizeof(t_any2string),
CLASS_DEFAULT,
A_GIMME, //-- initial_bufsize, eos_char
0);
//-- alias
class_addcreator((t_newmethod)any2string_new, gensym("any2bytes"), A_GIMME, 0);
//-- methods
class_addanything(any2string_class, (t_method)any2string_anything);
//-- help symbol
//class_sethelpsymbol(any2string_class, gensym("any2string-help.pd")); //-- breaks pd-extended help lookup
}
/*--------------------------------------------------------------------
* setup
*/
void any2string_setup(void)
{
post(any2string_banner);
any2string_setup_guts();
}
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