3 #include <glib-object.h>
5 #include "exportable.h"
10 #define MUSIC_GET_PRIV(o) \
11 G_TYPE_INSTANCE_GET_PRIVATE(o, ENGINE_MUSIC_TYPE, struct music_priv)
17 static void exportable_init(UObjectExportable *);
19 G_DEFINE_DYNAMIC_TYPE_EXTENDED(EngineMusic, engine_music, U_OBJECT_TYPE, 0,
20 G_IMPLEMENT_INTERFACE(U_OBJECT_TYPE_EXPORTABLE, exportable_init)
23 static int export(GObject *o, FILE *f)
25 struct music_priv *priv = MUSIC_GET_PRIV(o);
26 unsigned char buf[1024];
28 if (!priv->f || upkg_export_seek(priv->f, 0, SEEK_SET) != 0)
31 while (!priv->f->eof) {
32 size_t rc = upkg_export_read(priv->f, buf, sizeof buf);
34 if (priv->f->eof) break;
38 if (fwrite(buf, 1, rc, f) != rc)
45 static int export_name(GObject *o, char *buf, size_t n)
47 struct music_priv *priv = MUSIC_GET_PRIV(o);
48 return snprintf(buf, n, "%s", priv->f ? priv->f->name : "");
51 static void exportable_init(UObjectExportable *e)
54 e->export_name = export_name;
57 static int deserialize(UObject *o, struct upkg_file *f)
59 struct music_priv *priv = MUSIC_GET_PRIV(o);
60 EngineMusic *m = ENGINE_MUSIC(o);
61 size_t rc, pos = 0, buflen;
62 unsigned char buf[32];
65 U_OBJECT_CLASS(engine_music_parent_class)->deserialize(o, f);
67 buflen = upkg_export_read(f, buf, sizeof buf);
74 if (f->pkg->version > 61) {
81 rc = upkg_decode_index(&size, buf+pos, buflen-pos);
82 if (rc == 0 || size < 0)
88 upkg_export_seek(f, 0, SEEK_SET);
95 void music_register(GTypeModule *m)
97 engine_music_register_type(m);
100 static void engine_music_init(EngineMusic *m)
104 static void engine_music_class_init(EngineMusicClass *class)
106 UObjectClass *uo = U_OBJECT_CLASS(class);
108 g_type_class_add_private(class, sizeof (struct music_priv));
110 uo->deserialize = deserialize;
113 static void engine_music_class_finalize(EngineMusicClass *class)