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Add g_ir_ffi_convert_arguments

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This commit is contained in:
Tomeu Vizoso 2009-10-20 20:33:33 +01:00
parent 03dc6a590b
commit 43f1c2db17
2 changed files with 114 additions and 0 deletions
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112
girffi.c
View File

@ -108,6 +108,118 @@ g_ir_ffi_get_ffi_type (GITypeTag tag)
return NULL;
}
GArgument *
g_ir_ffi_convert_arguments(GICallableInfo *callable_info, void **args)
{
gint num_args, i;
GIArgInfo *arg_info;
GITypeInfo *arg_type;
GITypeTag tag;
GArgument *g_args;
num_args = g_callable_info_get_n_args (callable_info);
g_args = g_new0 (GArgument, num_args);
for (i = 0; i < num_args; i++)
{
arg_info = g_callable_info_get_arg (callable_info, i);
arg_type = g_arg_info_get_type (arg_info);
tag = g_type_info_get_tag (arg_type);
switch (tag)
{
case GI_TYPE_TAG_BOOLEAN:
g_args[i].v_boolean = *(gboolean *) args[i];
break;
case GI_TYPE_TAG_INT8:
g_args[i].v_int8 = *(gint8 *) args[i];
break;
case GI_TYPE_TAG_UINT8:
g_args[i].v_uint8 = *(guint8 *) args[i];
break;
case GI_TYPE_TAG_INT16:
g_args[i].v_int16 = *(gint16 *) args[i];
break;
case GI_TYPE_TAG_UINT16:
g_args[i].v_uint16 = *(guint16 *) args[i];
break;
case GI_TYPE_TAG_INT32:
g_args[i].v_int32 = *(gint32 *) args[i];
break;
case GI_TYPE_TAG_UINT32:
g_args[i].v_uint32 = *(guint32 *) args[i];
break;
case GI_TYPE_TAG_LONG:
case GI_TYPE_TAG_INT64:
g_args[i].v_int64 = *(glong *) args[i];
break;
case GI_TYPE_TAG_ULONG:
case GI_TYPE_TAG_UINT64:
g_args[i].v_uint64 = *(glong *) args[i];
break;
case GI_TYPE_TAG_INT:
case GI_TYPE_TAG_SSIZE:
case GI_TYPE_TAG_SIZE:
g_args[i].v_int32 = *(gint *) args[i];
break;
case GI_TYPE_TAG_UINT:
g_args[i].v_uint32 = *(guint *) args[i];
break;
case GI_TYPE_TAG_FLOAT:
g_args[i].v_float = *(gfloat *) args[i];
break;
case GI_TYPE_TAG_DOUBLE:
g_args[i].v_double = *(gdouble *) args[i];
break;
case GI_TYPE_TAG_UTF8:
g_args[i].v_string = *(gchar **) args[i];
break;
case GI_TYPE_TAG_INTERFACE:
{
GIBaseInfo *interface;
GIInfoType interface_type;
interface = g_type_info_get_interface (arg_type);
interface_type = g_base_info_get_type (interface);
if (interface_type == GI_INFO_TYPE_OBJECT ||
interface_type == GI_INFO_TYPE_INTERFACE)
{
g_args[i].v_pointer = *(gpointer *) args[i];
g_base_info_unref (interface);
break;
}
else if (interface_type == GI_INFO_TYPE_ENUM ||
interface_type == GI_INFO_TYPE_FLAGS)
{
g_args[i].v_double = *(double *) args[i];
g_base_info_unref (interface);
break;
}
else if (interface_type == GI_INFO_TYPE_STRUCT)
{
g_args[i].v_pointer = *(gpointer *) args[i];
g_base_info_unref (interface);
break;
}
g_base_info_unref (interface);
}
case GI_TYPE_TAG_GLIST:
case GI_TYPE_TAG_GSLIST:
g_args[i].v_pointer = *(gpointer *) args[i];
break;
default:
g_args[i].v_pointer = 0;
}
g_base_info_unref ((GIBaseInfo *) arg_info);
g_base_info_unref ((GIBaseInfo *) arg_type);
}
return g_args;
}
/**
* g_callable_info_get_ffi_arg_types:
* @callable_info: a callable info from a typelib

2
girffi.h
View File

@ -32,6 +32,8 @@ typedef void (*GIFFIClosureCallback) (ffi_cif *,
void *);
ffi_type * g_ir_ffi_get_ffi_type (GITypeTag tag);
GArgument * g_ir_ffi_convert_arguments (GICallableInfo *callable_info,
void **args);
ffi_type ** g_callable_info_get_ffi_arg_types (GICallableInfo *callable_info);
ffi_type * g_callable_info_get_ffi_return_type (GICallableInfo *callable_info);
ffi_closure * g_callable_info_prepare_closure (GICallableInfo *callable_info,