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#include "tcl_extras.h"
#include <string.h>
#include <unistd.h>
extern int tclpd_do_load_lib(t_canvas *canvas, char *objectname) {
#ifdef DEBUG
post("Tcl loader: registering tcl class loader mechanism");
#endif
char filename[MAXPDSTRING], dirbuf[MAXPDSTRING],
*classname, *nameptr;
int fd;
if ((classname = strrchr(objectname, '/')) != NULL)
classname++;
else
classname = objectname;
if(sys_onloadlist(objectname)) {
post("%s: already loaded", objectname);
return (1);
}
/* try looking in the path for (objectname).(tcl) ... */
if ((fd = canvas_open(canvas, objectname, ".tcl",
dirbuf, &nameptr, MAXPDSTRING, 1)) >= 0)
goto gotone;
/* next try (objectname)/(classname).(tcl) ... */
strncpy(filename, objectname, MAXPDSTRING);
filename[MAXPDSTRING-2] = 0;
strcat(filename, "/");
strncat(filename, classname, MAXPDSTRING-strlen(filename));
filename[MAXPDSTRING-1] = 0;
if ((fd = canvas_open(canvas, filename, ".tcl",
dirbuf, &nameptr, MAXPDSTRING, 1)) >= 0)
goto gotone;
return 0;
gotone:
close(fd);
class_set_extern_dir(gensym(dirbuf));
/* rebuild the absolute pathname */
strncpy(filename, dirbuf, MAXPDSTRING);
filename[MAXPDSTRING-2] = 0;
strcat(filename, "/");
strncat(filename, nameptr, MAXPDSTRING-strlen(filename));
filename[MAXPDSTRING-1] = 0;
int result;
// create the required tcl namespace for the class
tclpd_class_namespace_init(classname);
// load tcl external:
result = Tcl_EvalFile(tcl_for_pd, filename);
if(result == TCL_OK) {
post("Tcl loader: loaded %s", filename);
} else {
post("Tcl loader: error trying to load %s", filename);
tclpd_interp_error(NULL, result);
return 0;
}
#ifdef TCLPD_CALL_SETUP
// call the setup method:
char cmd[64];
snprintf(cmd, 64, "::%s::setup", classname);
result = Tcl_Eval(tcl_for_pd, cmd);
if(result == TCL_OK) {
} else {
post("Tcl loader: error in %s %s::setup", filename, classname);
tclpd_interp_error(NULL, result);
return 0;
}
#endif // TCLPD_CALL_SETUP
class_set_extern_dir(&s_);
sys_putonloadlist(objectname);
return 1;
}
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