/**
* g_interface_info_get_constant:
* @info: a #GIInterfaceInfo
* @n: index of constant to get
*
* Obtain an interface type constant at index @n.
*
* Returns: (transfer full): the #GIConstantInfo. Free the struct by calling
* g_base_info_unref() when done.
*/
GIConstantInfo *
g_interface_info_get_constant (GIInterfaceInfo *info,
gint n)
{
gint offset;
GIRealInfo *rinfo = (GIRealInfo *)info;
Header *header;
InterfaceBlob *blob;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_INTERFACE_INFO (info), NULL);
header = (Header *)rinfo->typelib->data;
blob = (InterfaceBlob *)&rinfo->typelib->data[rinfo->offset];
offset = rinfo->offset + header->interface_blob_size
+ (blob->n_prerequisites + (blob->n_prerequisites % 2)) * 2
+ blob->n_properties * header->property_blob_size
+ blob->n_methods * header->function_blob_size
+ blob->n_signals * header->signal_blob_size
+ blob->n_vfuncs * header->vfunc_blob_size
+ n * header->constant_blob_size;
return (GIConstantInfo *) g_info_new (GI_INFO_TYPE_CONSTANT, (GIBaseInfo*)info,
rinfo->typelib, offset);
}
/**
* g_interface_info_get_n_prerequisites:
* @info: a #GIInterfaceInfo
*
* Obtain the number of prerequisites for this interface type.
* A prerequisites is another interface that needs to be implemented for
* interface, similar to an base class for GObjects.
*
* Returns: number of prerequisites
*/
gint
g_interface_info_get_n_prerequisites (GIInterfaceInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
InterfaceBlob *blob;
g_return_val_if_fail (info != NULL, 0);
g_return_val_if_fail (GI_IS_INTERFACE_INFO (info), 0);
blob = (InterfaceBlob *)&rinfo->typelib->data[rinfo->offset];
return blob->n_prerequisites;
}
/**
* g_interface_info_get_prerequisite:
* @info: a #GIInterfaceInfo
* @n: index of prerequisites to get
*
* Obtain an interface type prerequisites index @n.
*
* Returns: (transfer full): the prerequisites as a #GIBaseInfo. Free the struct by calling
* g_base_info_unref() when done.
*/
GIBaseInfo *
g_interface_info_get_prerequisite (GIInterfaceInfo *info,
gint n)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
InterfaceBlob *blob;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_INTERFACE_INFO (info), NULL);
blob = (InterfaceBlob *)&rinfo->typelib->data[rinfo->offset];
return _g_info_from_entry (rinfo->repository,
rinfo->typelib, blob->prerequisites[n]);
}
/**
* g_interface_info_get_iface_struct:
* @info: a #GIInterfaceInfo
*
* Returns the layout C structure associated with this #GInterface.
*
* Returns: (transfer full): the #GIStructInfo or %NULL. Free it with
* g_base_info_unref() when done.
*/
GIStructInfo *
g_interface_info_get_iface_struct (GIInterfaceInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
InterfaceBlob *blob;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_INTERFACE_INFO (info), NULL);
blob = (InterfaceBlob *)&rinfo->typelib->data[rinfo->offset];
if (blob->gtype_struct)
return (GIStructInfo *) _g_info_from_entry (rinfo->repository,
rinfo->typelib, blob->gtype_struct);
else
return NULL;
}
/**
* g_interface_info_get_property:
* @info: a #GIInterfaceInfo
* @n: index of property to get
*
* Obtain an interface type property at index @n.
*
* Returns: (transfer full): the #GIPropertyInfo. Free the struct by calling
* g_base_info_unref() when done.
*/
GIPropertyInfo *
g_interface_info_get_property (GIInterfaceInfo *info,
gint n)
{
gint offset;
GIRealInfo *rinfo = (GIRealInfo *)info;
Header *header;
InterfaceBlob *blob;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_INTERFACE_INFO (info), NULL);
header = (Header *)rinfo->typelib->data;
blob = (InterfaceBlob *)&rinfo->typelib->data[rinfo->offset];
offset = rinfo->offset + header->interface_blob_size
+ (blob->n_prerequisites + (blob->n_prerequisites % 2)) * 2
+ n * header->property_blob_size;
return (GIPropertyInfo *) g_info_new (GI_INFO_TYPE_PROPERTY, (GIBaseInfo*)info,
rinfo->typelib, offset);
}
static GISignalInfo *
_pygi_lookup_signal_from_g_type (GType g_type,
const gchar *signal_name)
{
GIRepository *repository;
GIBaseInfo *info;
GISignalInfo *signal_info = NULL;
repository = g_irepository_get_default();
info = g_irepository_find_by_gtype (repository, g_type);
if (info == NULL)
return NULL;
if (GI_IS_OBJECT_INFO (info))
signal_info = g_object_info_find_signal ((GIObjectInfo *) info,
signal_name);
else if (GI_IS_INTERFACE_INFO (info))
signal_info = g_interface_info_find_signal ((GIInterfaceInfo *) info,
signal_name);
g_base_info_unref (info);
return signal_info;
}
/**
* g_interface_info_find_vfunc:
* @info: a #GIInterfaceInfo
* @name: The name of a virtual function to find.
*
* Locate a virtual function slot with name @name. See the documentation
* for g_object_info_find_vfunc() for more information on virtuals.
*
* Returns: (transfer full): the #GIVFuncInfo, or %NULL. Free it with
* g_base_info_unref() when done.
*/
GIVFuncInfo *
g_interface_info_find_vfunc (GIInterfaceInfo *info,
const gchar *name)
{
gint offset;
GIRealInfo *rinfo = (GIRealInfo *)info;
Header *header;
InterfaceBlob *blob;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_INTERFACE_INFO (info), NULL);
header = (Header *)rinfo->typelib->data;
blob = (InterfaceBlob *)&rinfo->typelib->data[rinfo->offset];
offset = rinfo->offset + header->interface_blob_size
+ (blob->n_prerequisites + blob->n_prerequisites % 2) * 2
+ blob->n_properties * header->property_blob_size
+ blob->n_methods * header->function_blob_size
+ blob->n_signals * header->signal_blob_size;
return _g_base_info_find_vfunc (rinfo, offset, blob->n_vfuncs, name);
}