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/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; -*- */
/* This may call Perl code (via arg_to_sv), so it needs to be wrapped with
* PUTBACK/SPAGAIN by the caller. */
static SV *
ghash_to_sv (GITypeInfo *info,
gpointer pointer,
GITransfer transfer)
{
GITypeInfo *key_param_info, *value_param_info;
#ifdef NOISY
GITypeTag key_type_tag, value_type_tag;
#endif
gpointer key_p, value_p;
GITransfer item_transfer;
GHashTableIter iter;
HV *hv;
if (pointer == NULL) {
return &PL_sv_undef;
}
item_transfer = transfer == GI_TRANSFER_EVERYTHING
? GI_TRANSFER_EVERYTHING
: GI_TRANSFER_NOTHING;
key_param_info = g_type_info_get_param_type (info, 0);
value_param_info = g_type_info_get_param_type (info, 1);
#ifdef NOISY
key_type_tag = g_type_info_get_tag (key_param_info);
value_type_tag = g_type_info_get_tag (value_param_info);
#endif
dwarn (" GHashTable: pointer %p\n"
" key type tag %d (%s)\n"
" value type tag %d (%s)\n",
pointer,
key_type_tag, g_type_tag_to_string (key_type_tag),
value_type_tag, g_type_tag_to_string (value_type_tag));
hv = newHV ();
g_hash_table_iter_init (&iter, pointer);
while (g_hash_table_iter_next (&iter, &key_p, &value_p)) {
GIArgument arg = { 0, };
SV *key_sv, *value_sv;
dwarn (" converting key pointer %p\n", key_p);
arg.v_pointer = key_p;
key_sv = arg_to_sv (&arg, key_param_info, item_transfer, NULL);
if (key_sv == NULL)
break;
dwarn (" converting value pointer %p\n", value_p);
arg.v_pointer = value_p;
value_sv = arg_to_sv (&arg, value_param_info, item_transfer, NULL);
if (value_sv == NULL)
break;
(void) hv_store_ent (hv, key_sv, value_sv, 0);
}
g_base_info_unref ((GIBaseInfo *) key_param_info);
g_base_info_unref ((GIBaseInfo *) value_param_info);
return newRV_noinc ((SV *) hv);
}
static gpointer
sv_to_ghash (GITransfer transfer,
GITypeInfo *type_info,
SV *sv)
{
HV *hv;
HE *he;
GITransfer item_transfer;
gpointer hash;
GITypeInfo *key_param_info, *value_param_info;
GITypeTag key_type_tag;
GHashFunc hash_func;
GEqualFunc equal_func;
I32 n_keys;
dwarn ("%s: sv %p\n", G_STRFUNC, sv);
if (!gperl_sv_is_defined (sv))
return NULL;
if (!gperl_sv_is_hash_ref (sv))
ccroak ("need an hash ref to convert to GHashTable");
hv = (HV *) SvRV (sv);
item_transfer = GI_TRANSFER_NOTHING;
switch (transfer) {
case GI_TRANSFER_EVERYTHING:
item_transfer = GI_TRANSFER_EVERYTHING;
break;
case GI_TRANSFER_CONTAINER:
/* nothing special to do */
break;
case GI_TRANSFER_NOTHING:
/* FIXME: need to free hash after call */
break;
}
key_param_info = g_type_info_get_param_type (type_info, 0);
value_param_info = g_type_info_get_param_type (type_info, 1);
key_type_tag = g_type_info_get_tag (key_param_info);
switch (key_type_tag)
{
case GI_TYPE_TAG_FILENAME:
case GI_TYPE_TAG_UTF8:
hash_func = g_str_hash;
equal_func = g_str_equal;
break;
default:
hash_func = NULL;
equal_func = NULL;
break;
}
dwarn (" GHashTable with transfer %d\n"
" key_param_info %p with type tag %d (%s)\n"
" value_param_info %p with type tag %d (%s)\n",
transfer,
key_param_info,
g_type_info_get_tag (key_param_info),
g_type_tag_to_string (g_type_info_get_tag (key_param_info)),
value_param_info,
g_type_info_get_tag (value_param_info),
g_type_tag_to_string (g_type_info_get_tag (value_param_info)));
hash = g_hash_table_new (hash_func, equal_func);
n_keys = hv_iterinit (hv);
if (n_keys == 0)
goto out;
while ((he = hv_iternext (hv)) != NULL) {
SV *sv;
GIArgument arg = { 0, };
gpointer key_p, value_p;
key_p = value_p = NULL;
sv = hv_iterkeysv (he);
if (sv && gperl_sv_is_defined (sv)) {
dwarn (" converting key SV %p\n", sv);
/* FIXME: Is it OK to always allow undef here? */
sv_to_arg (sv, &arg, NULL, key_param_info,
item_transfer, TRUE, NULL);
key_p = arg.v_pointer;
}
sv = hv_iterval (hv, he);
if (sv && gperl_sv_is_defined (sv)) {
dwarn (" converting value SV %p\n", sv);
sv_to_arg (sv, &arg, NULL, key_param_info,
item_transfer, TRUE, NULL);
value_p = arg.v_pointer;
}
if (key_p != NULL && value_p != NULL)
g_hash_table_insert (hash, key_p, value_p);
}
out:
dwarn (" -> hash %p of size %d\n", hash, g_hash_table_size (hash));
g_base_info_unref ((GIBaseInfo *) key_param_info);
g_base_info_unref ((GIBaseInfo *) value_param_info);
return hash;
}
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