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/******************************************************
*
* zexy - implementation file
*
* copyleft (c) Franz Zotter
*
* 2105:forum::für::umläute:2007
*
* institute of electronic music and acoustics (iem)
*
******************************************************
*
* license: GNU General Public License v.2
*
******************************************************/
#include "zexy.h"
#ifdef __WIN32__
# define snprintf _snprintf
#endif
#include <stdio.h>
#include <string.h>
/* fwriteln: writes messages continuously into a file that
* doesn't necessarily need to fit into the RAM of your system
*
* Franz Zotter zotter@iem.at, 2007
* Institute of Electronic Music and Acoustics
*
* parts of this externals were copied from Iohannes zmoelnig's
* iemmatrix
*/
static t_class *fwriteln_class;
typedef struct fwriteln
{
t_object x_ob;
FILE *x_file;
char *x_filename;
char *x_textbuf;
char linebreak_chr[3];
char format_string_afloats[10];
int width;
int precision;
} t_fwriteln;
static void fwriteln_close (t_fwriteln *x)
{
if(x->x_file)
fclose(x->x_file);
x->x_file=0;
if(x->x_filename)
freebytes(x->x_filename, sizeof(char)*MAXPDSTRING);
x->x_filename=0;
if(x->x_textbuf)
freebytes(x->x_textbuf, sizeof(char)*MAXPDSTRING);
x->x_textbuf=0;
}
static void fwriteln_open (t_fwriteln *x, t_symbol *s, t_symbol*type)
{
char filename[MAXPDSTRING];
sys_bashfilename (s->s_name, filename);
filename[MAXPDSTRING-1]=0;
fwriteln_close (x);
/* if(0==type || type!=gensym("cr")) {
pd_error(x, "unknown type '%s'", (type)?type->s_name:"");
return;
}*/
if (type==gensym("cr"))
strcpy(x->linebreak_chr,"\n");
else
strcpy(x->linebreak_chr,";\n");
if (!(x->x_file=fopen(filename, "w"))) {
pd_error(x, "failed to open %128s",filename);
return;
}
x->x_filename=(char*)getbytes(sizeof(char)*strlen(filename));
strcpy(x->x_filename,filename);
x->x_textbuf = (char *) getbytes (MAXPDSTRING * sizeof(char));
}
static void fwriteln_write (t_fwriteln *x, t_symbol *s, int argc, t_atom *argv)
{
int length=0;
char *text=x->x_textbuf;
if (x->x_file) {
if ((s!=gensym("list"))||(argv->a_type==A_SYMBOL)) {
snprintf(text,MAXPDSTRING,"%s ", s->s_name);
text[MAXPDSTRING-1]=0;
length=strlen(text);
if (fwrite(text, length*sizeof(char),1,x->x_file) < 1) {
pd_error(x, "failed to write %128s",x->x_filename);
freebytes (text, MAXPDSTRING * sizeof(char));
fwriteln_close(x);
return;
}
}
while (argc--)
{
switch (argv->a_type) {
case A_FLOAT:
snprintf(text,MAXPDSTRING,x->format_string_afloats,
x->width,x->precision,atom_getfloat(argv));
text[MAXPDSTRING-1]=0;
length=strlen(text);
if (fwrite(text, length*sizeof(char),1,x->x_file) < 1) {
pd_error(x, "failed to write %128s",x->x_filename);
freebytes (text, MAXPDSTRING * sizeof(char));
fwriteln_close(x);
return;
}
break;
case A_SYMBOL:
snprintf(text,MAXPDSTRING,"%s ", atom_getsymbol(argv)->s_name);
text[MAXPDSTRING-1]=0;
length=strlen(text);
if (fwrite(text, length*sizeof(char),1,x->x_file) < 1) {
pd_error(x, "failed to write %128s",x->x_filename);
freebytes (text, MAXPDSTRING * sizeof(char));
fwriteln_close(x);
return;
}
break;
case A_COMMA:
snprintf(text,MAXPDSTRING,", ");
length=strlen(text);
if (fwrite(text, length*sizeof(char),1,x->x_file) < 1) {
pd_error(x, "failed to write %128s",x->x_filename);
freebytes (text, MAXPDSTRING * sizeof(char));
fwriteln_close(x);
return;
}
break;
case A_SEMI:
snprintf(text,MAXPDSTRING,"; ");
length=strlen(text);
if (fwrite(text, length*sizeof(char),1,x->x_file) < 1) {
pd_error(x, "failed to write %128s",x->x_filename);
freebytes (text, MAXPDSTRING * sizeof(char));
fwriteln_close(x);
return;
}
break;
}
argv++;
}
snprintf(text,MAXPDSTRING,x->linebreak_chr);
length=strlen(text);
if (fwrite(text, length*sizeof(char),1,x->x_file) < 1) {
pd_error(x, "failed to write %128s",x->x_filename);
freebytes (text, MAXPDSTRING * sizeof(char));
fwriteln_close(x);
return;
}
}
else {
pd_error(x, "no file opened for writing");
}
}
static void fwriteln_free (t_fwriteln *x)
{
fwriteln_close(x);
}
static void *fwriteln_new(t_symbol *s, int argc, t_atom *argv)
{
int k;
t_fwriteln *x = (t_fwriteln *)pd_new(fwriteln_class);
x->x_filename=0;
x->x_file=0;
x->x_textbuf=0;
x->width=5;
x->precision=2;
strcpy(x->format_string_afloats,"%*.*g ");
for (k=0; k<argc; k++) {
if ((atom_getsymbol(&argv[k])==gensym("p"))&&(k+1<argc)) {
x->precision=atom_getint(&argv[++k]);
x->precision=(x->precision<0)?0:x->precision;
x->precision=(x->precision>30)?30:x->precision;
}
else if ((atom_getsymbol(&argv[k])==gensym("w"))&&(k+1<argc)) {
x->width=atom_getint(&argv[++k]);
x->width=(x->width<1)?1:x->width;
x->width=(x->width>40)?40:x->width;
}
else if (atom_getsymbol(&argv[k])==gensym("-")) {
strcpy(x->format_string_afloats,"%-*.*g ");
}
else if (atom_getsymbol(&argv[k])==gensym("+")) {
strcpy(x->format_string_afloats,"%+*.*g ");
}
}
return (void *)x;
}
void fwriteln_setup(void)
{
fwriteln_class = class_new(gensym("fwriteln"), (t_newmethod)fwriteln_new,
(t_method) fwriteln_free, sizeof(t_fwriteln), CLASS_DEFAULT, A_GIMME, 0);
class_addmethod(fwriteln_class, (t_method)fwriteln_open, gensym("open"), A_SYMBOL, A_DEFSYM, 0);
class_addmethod(fwriteln_class, (t_method)fwriteln_close, gensym("close"), A_NULL, 0);
class_addanything(fwriteln_class, (t_method)fwriteln_write);
zexy_register("fwriteln");
}
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