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/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; -*- */
static void
store_fields (HV *fields, GIBaseInfo *info, GIInfoType info_type)
{
const gchar *namespace;
AV *av;
gint i;
namespace = g_base_info_get_name (info);
av = newAV ();
switch (info_type) {
case GI_INFO_TYPE_BOXED:
case GI_INFO_TYPE_STRUCT:
{
gint n_fields = g_struct_info_get_n_fields (
(GIStructInfo *) info);
for (i = 0; i < n_fields; i++) {
GIFieldInfo *field_info;
const gchar *field_name;
field_info = g_struct_info_get_field ((GIStructInfo *) info, i);
field_name = g_base_info_get_name ((GIBaseInfo *) field_info);
av_push (av, newSVpv (field_name, PL_na));
g_base_info_unref ((GIBaseInfo *) field_info);
}
break;
}
case GI_INFO_TYPE_UNION:
{
gint n_fields = g_union_info_get_n_fields ((GIUnionInfo *) info);
for (i = 0; i < n_fields; i++) {
GIFieldInfo *field_info;
const gchar *field_name;
field_info = g_union_info_get_field ((GIUnionInfo *) info, i);
field_name = g_base_info_get_name ((GIBaseInfo *) field_info);
av_push (av, newSVpv (field_name, PL_na));
g_base_info_unref ((GIBaseInfo *) field_info);
}
break;
}
default:
ccroak ("store_fields: unsupported info type %d", info_type);
}
gperl_hv_take_sv (fields, namespace, strlen (namespace),
newRV_noinc ((SV *) av));
}
/* This may call Perl code (via arg_to_sv), so it needs to be wrapped with
* PUTBACK/SPAGAIN by the caller. */
static SV *
get_field (GIFieldInfo *field_info, gpointer mem, GITransfer transfer)
{
GITypeInfo *field_type;
GIBaseInfo *interface_info;
GIArgument value;
SV *sv = NULL;
field_type = g_field_info_get_type (field_info);
interface_info = g_type_info_get_interface (field_type);
/* This case is not handled by g_field_info_set_field. */
if (!g_type_info_is_pointer (field_type) &&
g_type_info_get_tag (field_type) == GI_TYPE_TAG_INTERFACE &&
g_base_info_get_type (interface_info) == GI_INFO_TYPE_STRUCT)
{
gsize offset;
offset = g_field_info_get_offset (field_info);
value.v_pointer = mem + offset;
sv = arg_to_sv (&value,
field_type,
GI_TRANSFER_NOTHING,
NULL);
} else if (g_field_info_get_field (field_info, mem, &value)) {
sv = arg_to_sv (&value,
field_type,
transfer,
NULL);
} else {
ccroak ("Could not get field '%s'",
g_base_info_get_name (field_info));
}
if (interface_info)
g_base_info_unref (interface_info);
g_base_info_unref ((GIBaseInfo *) field_type);
return sv;
}
static void
set_field (GIFieldInfo *field_info, gpointer mem, GITransfer transfer, SV *value)
{
GITypeInfo *field_type;
GIBaseInfo *interface_info;
GIArgument arg;
field_type = g_field_info_get_type (field_info);
interface_info = g_type_info_get_interface (field_type);
/* FIXME: No GIArgInfo and no
* GPerlI11nInvocationInfo here. What if the
* struct contains an object pointer, or a
* callback field? And is it OK to always
* allow undef? */
/* This case is not handled by g_field_info_set_field. */
if (!g_type_info_is_pointer (field_type) &&
g_type_info_get_tag (field_type) == GI_TYPE_TAG_INTERFACE &&
g_base_info_get_type (interface_info) == GI_INFO_TYPE_STRUCT)
{
gsize offset;
gssize size;
/* Enforce GI_TRANSFER_NOTHING since we will copy into the
* memory that has already been allocated inside 'mem' */
sv_to_arg (value, &arg, NULL, field_type,
GI_TRANSFER_NOTHING, TRUE, NULL);
offset = g_field_info_get_offset (field_info);
size = g_struct_info_get_size (interface_info);
g_memmove (mem + offset, arg.v_pointer, size);
} else {
sv_to_arg (value, &arg, NULL, field_type,
transfer, TRUE, NULL);
if (!g_field_info_set_field (field_info, mem, &arg))
ccroak ("Could not set field '%s'",
g_base_info_get_name (field_info));
}
if (interface_info)
g_base_info_unref (interface_info);
g_base_info_unref (field_type);
}
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