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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
# include <stdlib.h>
#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];
} 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)
free(x->x_filename);
x->x_filename=0;
if(x->x_textbuf)
freebytes(x->x_textbuf, MAXPDSTRING + 1);
x->x_textbuf=0;
}
static void string_copy(const char* const from, char** to)
{
if ((*to = malloc(strlen(from) + 1))) {
strcpy(*to, from);
}
}
static void fwriteln_open (t_fwriteln *x, t_symbol *s, t_symbol*type)
{
char* filename;
string_copy(s->s_name, &filename);
sys_bashfilename (filename, filename);
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);
free(filename);
return;
}
string_copy(filename, &x->x_filename);
free(filename);
x->x_textbuf = (char *) getbytes (MAXPDSTRING + 1);
}
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,
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;
default:
break;
}
argv++;
}
snprintf(text,MAXPDSTRING,"%s", 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;
int width;
int precision;
char float_format[3]="g ";
char width_str[3]="";
char precision_str[4]="";
char prefix[2]="%";
t_fwriteln *x = (t_fwriteln *)pd_new(fwriteln_class);
x->x_filename=0;
x->x_file=0;
x->x_textbuf=0;
for (k=0; k<argc; k++) {
if (atom_getsymbol(&argv[k])==gensym("p")) {
if ((k+1>=argc)||(argv[k+1].a_type!=A_FLOAT)) {
post("fwriteln: no value given for precision!");
}
else {
precision=atom_getint(&argv[++k]);
precision=(precision<0)?0:precision;
precision=(precision>30)?30:precision;
snprintf(precision_str,4,".%d",precision);
}
}
else if (atom_getsymbol(&argv[k])==gensym("w")) {
if ((k+1>=argc)||(argv[k+1].a_type!=A_FLOAT)) {
post("fwriteln: no value given for width!");
}
else {
width=atom_getint(&argv[++k]);
width=(width<1)?1:width;
width=(width>40)?40:width;
snprintf(width_str,3,"%d",width);
}
}
else if (atom_getsymbol(&argv[k])==gensym("g")) {
float_format[0]='g';
}
else if (atom_getsymbol(&argv[k])==gensym("f")) {
float_format[0]='f';
}
else if (atom_getsymbol(&argv[k])==gensym("e")) {
float_format[0]='e';
}
else if (atom_getsymbol(&argv[k])==gensym("-")) {
strcpy(prefix,"%-");
}
else if (atom_getsymbol(&argv[k])==gensym("+")) {
strcpy(prefix,"%+");
}
}
x->format_string_afloats[0]='\0';
strncat(x->format_string_afloats,prefix,2);
strncat(x->format_string_afloats,width_str,2);
strncat(x->format_string_afloats,precision_str,3);
strncat(x->format_string_afloats,float_format,2);
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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