/usr/include/bse/bsecxxbase.hh is in libbse-dev 0.7.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#ifndef __BSE_CXX_BASE_H__
#define __BSE_CXX_BASE_H__
#include <bse/bsesource.hh>
#include <bse/bsecxxvalue.hh>
#include <bse/bsecxxclosure.hh>
namespace Bse {
#define BSE_CXX_INSTANCE_OFFSET BSE_CXX_SIZEOF (BseSource)
#define BSE_TYPE_CXX_BASE (BSE_CXX_TYPE_GET_REGISTERED (Bse, CxxBase))
class CxxBaseClass : public BseSourceClass {
public:
void add_param (const char *group,
guint prop_id,
GParamSpec *pspec);
void add_param (guint prop_id,
GParamSpec *grouped_pspec);
void set_accessors (void (*get_property) (GObject*, guint, GValue*, GParamSpec*),
void (*set_property) (GObject*, guint, const GValue*, GParamSpec*) = NULL,
gboolean (*editable_property) (BseObject*, guint, GParamSpec*) = NULL,
void (*get_candidates) (BseItem*, guint, BsePropertyCandidates*, GParamSpec*) = NULL,
void (*property_updated) (BseSource*, guint, guint64, double, GParamSpec*) = NULL);
guint add_signal (const gchar *signal_name,
GSignalFlags flags,
guint n_params,
...);
void add_ochannel (const char *ident,
const char *label,
const char *blurb,
int assert_id = -1);
void add_ichannel (const char *ident,
const char *label,
const char *blurb,
int assert_id = -1);
void add_jchannel (const char *ident,
const char *label,
const char *blurb,
int assert_id = -1);
};
class CxxBase {
void* cast_to_gobject ();
static CxxBase* cast_from_gobject (void *o);
public:
static CxxBase* base_from_gobject (GObject *o) { return cast_from_gobject (o); }
protected:
GObject* gobject () const;
BseItem* item ();
public:
/*Con*/ CxxBase ();
CxxBase* ref ();
void unref ();
void freeze_notify ();
void notify (const gchar *property);
void thaw_notify ();
void set (const gchar *first_property_name,
...) G_GNUC_NULL_TERMINATED;
void get (const gchar *first_property_name,
...) G_GNUC_NULL_TERMINATED;
void set_property (guint prop_id,
const Value &value,
GParamSpec *pspec);
void get_property (guint prop_id,
Value &value,
GParamSpec *pspec);
#if 0
gulong connect (const gchar *signal,
GClosure *closure,
bool after);
gulong connect (const gchar *signal,
GClosure *closure) { return connect (signal, closure, false); }
#endif
gulong connect (const gchar *signal,
CxxClosure *closure,
bool after);
gulong connect (const gchar *signal,
CxxClosure *closure) { return connect (signal, closure, false); }
const String tokenize_signal (const gchar *signal);
GType type ();
virtual void compat_setup (guint vmajor,
guint vminor,
guint vmicro);
virtual void restore_finished (guint vmajor,
guint vminor,
guint vmicro);
virtual ~CxxBase ();
static void class_init (CxxBaseClass *klass);
static inline bool instance_is_a (CxxBase *cbase,
GType iface_type)
{
if (cbase)
{
GObject *gobject = cbase->gobject();
return G_TYPE_CHECK_INSTANCE_TYPE (gobject, iface_type);
}
else
return FALSE;
}
template<class OType> static inline OType*
value_get_gobject (const GValue *v)
{
gpointer p;
if (SFI_VALUE_HOLDS_PROXY (v))
p = bse_object_from_id (sfi_value_get_proxy (v));
else
p = g_value_get_object (v);
return (OType*) p;
}
template<class CxxType> static inline CxxType
value_get_object (const GValue *v)
{
assert_derived_from<CxxType, CxxBase*>();
GObject *p = value_get_gobject<GObject> (v);
CxxBase *b = CxxBase::base_from_gobject (p);
CxxType to = static_cast<CxxType> (b);
return to;
}
static inline void
value_set_gobject (GValue *value,
gpointer object)
{
if (SFI_VALUE_HOLDS_PROXY (value))
sfi_value_set_proxy (value, BSE_IS_OBJECT (object) ? ((BseObject*) object)->unique_id : 0);
else
g_value_set_object (value, object);
}
static inline void
value_set_object (GValue *value,
const CxxBase *self)
{
value_set_gobject (value, self->gobject());
}
template<class Accepted, class Casted>
static inline void
value_set_casted (GValue *value,
const Accepted *obj)
{
const Casted *self = static_cast<const Casted*> (obj);
value_set_object (value, self);
}
class Pointer {
CxxBase *p;
public:
Pointer (CxxBase *t) { p = t; }
/* second part of to-GObject* casts: */
operator GObject* () { return (GObject*) p->cast_to_gobject (); }
operator BseObject* () { return (BseObject*) p->cast_to_gobject (); }
operator BseItem* () { return (BseItem*) p->cast_to_gobject (); }
operator BseSource* () { return (BseSource*) p->cast_to_gobject (); }
};
/* first part of to-GObject* casts: */
static inline CxxBase::Pointer cast (CxxBase *c) { return CxxBase::Pointer (c); }
/* from-GObject* casts: */
static CxxBase* cast (GObject *o) { return cast_from_gobject (o); }
static CxxBase* cast (BseSource *o) { return cast_from_gobject (o); }
static CxxBase* cast (BseItem *o) { return cast_from_gobject (o); }
static CxxBase* cast (BseObject *o) { return cast_from_gobject (o); }
};
/* first part of to-GObject* casts: */
static inline CxxBase::Pointer cast (CxxBase *c) { return CxxBase::Pointer (c); }
/* match from-GObject* casts: */
template<class T> CxxBase* cast (T *t) { return CxxBase::cast (t); }
/* --- trampoline templates --- */
template<class ObjectType> static void
cxx_class_init_trampoline (CxxBaseClass *klass)
{
ObjectType::class_init (klass);
}
template<class ObjectType> static void
cxx_instance_init_trampoline (GTypeInstance *instance,
gpointer g_class)
{ /* invoke C++ constructor upon _init of destination type */
if (G_TYPE_FROM_INSTANCE (instance) == G_TYPE_FROM_CLASS (g_class))
new (BSE_CXX_INSTANCE_OFFSET + (char*) instance) ObjectType ();
}
template<class ObjectType, typename PropertyID> static void
cxx_get_property_trampoline (GObject *o,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
CxxBase *cbase = cast (o);
Value *v = (Value*) value;
ObjectType *instance = static_cast<ObjectType*> (cbase);
if (0) // check ObjectType::get_property() member and prototype
(void) static_cast<void (ObjectType::*) (PropertyID, Value&, GParamSpec*)> (&ObjectType::get_property);
instance->get_property (static_cast<PropertyID> (prop_id), *v, pspec);
}
template<class ObjectType, typename PropertyID> static void
cxx_set_property_trampoline (GObject *o,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
CxxBase *cbase = cast (o);
const Value *v = (const Value*) value;
ObjectType *instance = static_cast<ObjectType*> (cbase);
if (0) // check ObjectType::set_property() member and prototype
(void) static_cast<void (ObjectType::*) (PropertyID, const Value&, GParamSpec*)> (&ObjectType::set_property);
instance->set_property (static_cast<PropertyID> (prop_id), *v, pspec);
}
template<class ObjectType, typename PropertyID> static gboolean
cxx_editable_property_trampoline (BseObject *o,
guint prop_id,
GParamSpec *pspec)
{
CxxBase *cbase = cast (o);
ObjectType *instance = static_cast<ObjectType*> (cbase);
if (0) // check ObjectType::editable_property() member and prototype
(void) static_cast<bool (ObjectType::*) (PropertyID, GParamSpec*)> (&ObjectType::editable_property);
return instance->editable_property (static_cast<PropertyID> (prop_id), pspec);
}
template<class ObjectType, typename PropertyID> static void
cxx_get_candidates_trampoline (BseItem *item,
guint prop_id,
BsePropertyCandidates *pc,
GParamSpec *pspec); /* defined in bsecxxplugin.hh */
template<class ObjectType, typename PropertyID> static void
cxx_property_updated_trampoline (BseSource *source,
guint prop_id,
guint64 tick_stamp,
double prop_value,
GParamSpec *pspec)
{
CxxBase *cbase = cast (source);
ObjectType *instance = static_cast<ObjectType*> (cbase);
if (0) // check ObjectType::property_updated() member and prototype
(void) static_cast<void (ObjectType::*) (PropertyID, guint64, double, GParamSpec*)> (&ObjectType::property_updated);
instance->property_updated (static_cast<PropertyID> (prop_id), tick_stamp, prop_value, pspec);
}
} // Bse
#endif /* __BSE_CXX_BASE_H__ */
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