/*
* call-seq:
* Cups.options_for(name) -> Hash or nil
*
* Get all options from CUPS server with name. Returns a hash with key/value pairs
* based on server options, or nil if no server with name.
*/
static VALUE cups_get_options(VALUE self, VALUE printer)
{
// Don't have to lift a finger unless the printer exists.
if (!printer_exists(printer)){
rb_raise(rb_eRuntimeError, "The printer or destination doesn't exist!");
}
VALUE options_list;
int i;
char *printer_arg = RSTRING_PTR(printer);
options_list = rb_hash_new();
cups_dest_t *dests;
int num_dests = cupsGetDests(&dests);
cups_dest_t *dest = cupsGetDest(printer_arg, NULL, num_dests, dests);
if (dest == NULL) {
cupsFreeDests(num_dests, dests);
return Qnil;
} else {
for(i =0; i< dest->num_options; i++) {
rb_hash_aset(options_list, rb_str_new2(dest->options[i].name), rb_str_new2(dest->options[i].value));
}
cupsFreeDests(num_dests, dests);
return options_list;
}
}
/*
* call-seq:
* PrintJob.new(filename, printer=nil)
*
* Initializes a new PrintJob object. If no target printer/class is specified, the default is chosen.
* Note the specified file does not have to exist until print is called.
*/
static VALUE job_init(int argc, VALUE* argv, VALUE self)
{
VALUE filename, printer, job_options;
rb_scan_args(argc, argv, "12", &filename, &printer, &job_options);
rb_iv_set(self, "@filename", filename);
rb_iv_set(self, "@url_path", rb_str_new2(cupsServer()));
if (NIL_P(job_options)) {
rb_iv_set(self, "@job_options", rb_hash_new());
} else {
rb_iv_set(self, "@job_options", job_options);
}
if (NIL_P(printer)) {
// Fall back to default printer
VALUE def_p = rb_funcall(rubyCups, rb_intern("default_printer"), 0);
if (def_p == Qfalse) {
rb_raise(rb_eRuntimeError, "There is no default printer!");
} else {
rb_iv_set(self, "@printer", def_p);
}
} else {
if (printer_exists(printer)) {
rb_iv_set(self, "@printer", printer);
} else {
rb_raise(rb_eRuntimeError, "The printer or destination doesn't exist!");
}
}
return self;
}