./ext/CdIo_Cd.c in rb_cdio-0.1.1 vs ./ext/CdIo_Cd.c in rb_cdio-0.2.0

@@ -25,64 +25,11 @@
      */
     cdio_destroy(p);
 }
 
 
-
-
-
-
 /**
-* CDDB
-* Extraido desde cd-info.
-**/
-
-static int
-cddb_dec_digit_sum(int n)
-{
-    int             ret = 0;
-
-    for (;;) {
-	ret += n % 10;
-	n = n / 10;
-	if (!n)
-	    return ret;
-    }
-}
-
-/*
- * Return the number of seconds (discarding frame portion) of an MSF 
- */
-static inline unsigned int
-msf_seconds(msf_t * msf)
-{
-    return from_bcd8(msf->m) * 60 + from_bcd8(msf->s);
-}
-
-static unsigned long
-cddb_discid(CdIo * p_cdio, int i_tracks)
-{
-    int             i,
-                    t,
-                    n = 0;
-    msf_t           start_msf;
-    msf_t           msf;
-
-    for (i = 1; i <= i_tracks; i++) {
-	cdio_get_track_msf(p_cdio, i, &msf);
-	n += cddb_dec_digit_sum(msf_seconds(&msf));
-    }
-
-    cdio_get_track_msf(p_cdio, 1, &start_msf);
-    cdio_get_track_msf(p_cdio, CDIO_CDROM_LEADOUT_TRACK, &msf);
-
-    t = msf_seconds(&msf) - msf_seconds(&start_msf);
-
-    return ((n % 0xff) << 24 | t << 8 | i_tracks);
-}
-
-/**
  Create a new Cd::CdIo object.
  The first argument is an String for a device or a cue/bin/toc/nrg file
  The seconf argument is the constant for a Driver (default CdIo::DRIVER_UNKNOWN)
  * CdIo::Cd.new()  
  * CdIo::Cd.new("/dev/cdrom")
@@ -115,11 +62,12 @@
 	}
     }
     p_cdio = cdio_open(device, driver);
 
     if (p_cdio == NULL) {
-	rb_raise(rb_eException, "I can't create a pointer");
+	rb_raise(eCdIoError,
+		 "I can't create the object. Please, verify the media");
 	return Qnil;
     } else {
 	VALUE           c_argv[2];
 	VALUE           tdata =
 	    Data_Wrap_Struct(class, 0, _cdio_cd_destroy, p_cdio);
@@ -167,45 +115,38 @@
 	    rb_iv_set(self, "@mcn", rb_str_new2(mcn));
 	    free(mcn);
 	}
     }
     // stat_size
-    rb_iv_set(self, "@stat_size", INT2NUM(cdio_stat_size(p_cdio)));
-    // si es un disco de audio, calculo su cddb
+    rb_iv_set(self, "@last_lsn", INT2NUM(cdio_get_disc_last_lsn(p_cdio)));
+    rb_iv_set(self, "@joliet_level",
+	      INT2NUM(cdio_get_joliet_level(p_cdio)));
+
+    // si es un disco de audio, lo extiendo con las funciones
+    // del módulo Cdda
     if (CDIO_DISC_MODE_CD_DA == discmode) {
-	char            cddb[8];
-	sprintf(cddb, "%08lx", cddb_discid(p_cdio, nt));
-	rb_iv_set(self, "@cddb_id", rb_str_new2(cddb));
+	rb_extend_object(self, mCdIoCdda);
     }
+
     return self;
 }
 
 /**
 * Returns an array with the tracks of the cd
 * cd.get_tracks #=> [<CdIo::Track>,<CdIo::Track>]
 */
 VALUE
 rb_cdio_cd_get_tracks(VALUE self)
 {
-    VALUE           argv[1];
-    argv[0] = self;
-    return rb_class_new_instance(1, argv, cCdIoTracks);
-    VALUE           aTracks;
-    aTracks = rb_ary_new();
-    GET_CDIO(self, p_cdio);
-    track_t         first_track_num;
-    track_t         num_tracks;
-    first_track_num = cdio_get_first_track_num(p_cdio);
-    num_tracks = cdio_get_num_tracks(p_cdio);
-    // printf("C->Primera pista: %d\n",first_track_num);
-    // printf("C->Numero pistas: %d\n",num_tracks);
-    int             j,
-                    i = first_track_num;
-    for (j = 0; j < num_tracks; i++, j++) {
-	rb_ary_push(aTracks, get_track(self, i));
+    VALUE           tracks = rb_iv_get(self, "@tracks");
+    if (tracks == Qnil) {
+	VALUE           argv[1];
+	argv[0] = self;
+	tracks = rb_class_new_instance(1, argv, cCdIoTracks);
+	rb_iv_set(self, "@tracks", tracks);
     }
-    return aTracks;
+    return tracks;
 }
 
 /**
 * CdIo::Cd.get_first_track
 */
@@ -231,34 +172,36 @@
 */
 VALUE
 rb_cdio_cd_is_cd(VALUE obj)
 {
     GET_CDIO(obj, p_cdio);
-    return (discmode_is_cd(cdio_get_discmode(p_cdio))) ? Qtrue : Qfalse;
+    return (cdio_is_discmode_cdrom(cdio_get_discmode(p_cdio))) ? Qtrue :
+	Qfalse;
 }
 
 /**
 * CdIo::Cd.is_dvd?
 */
 VALUE
 rb_cdio_cd_is_dvd(VALUE obj)
 {
     GET_CDIO(obj, p_cdio);
-    return (discmode_is_dvd(cdio_get_discmode(p_cdio))) ? Qtrue : Qfalse;
+    return (cdio_is_discmode_dvd(cdio_get_discmode(p_cdio))) ? Qtrue :
+	Qfalse;
 }
 
-static          VALUE
+static VALUE
 _get_freedb(VALUE obj)
 {
     rb_require("freedb");
     VALUE           cFreeDb =
 	rb_const_get(rb_mKernel, rb_intern("Freedb"));
     return rb_funcall(cFreeDb, rb_intern("new"), 1,
 		      rb_iv_get(obj, "@device"));
 }
 
-static          VALUE
+static VALUE
 _get_freedb_error(VALUE obj, VALUE error_info)
 {
     rb_raise(rb_eLoadError,
 	     "Please, install ruby-freedb to use this function");
     return Qnil;
@@ -323,6 +266,16 @@
 rb_cdio_cd_get_cdtext(VALUE obj)
 {
     GET_CDIO(obj, p_cdio);
     const cdtext_t *cdtext = cdio_get_cdtext(p_cdio, 0);
     return get_cdtext(cdtext);
+}
+
+VALUE
+rb_cdio_cd_eject(VALUE obj)
+{
+    GET_CDIO(obj, p_cdio);
+    verify_return_code(cdio_eject_media(&p_cdio));
+    rb_gc_start();
+    obj = Qnil;
+    return Qtrue;
 }