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/*
* Copyright (c) 2024 Attila Szakacs
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "filterx/object-dict-interface.h"
#include "filterx/object-string.h"
#include "filterx/object-json.h"
gboolean
filterx_dict_iter(FilterXObject *s, FilterXDictIterFunc func, gpointer user_data)
{
FilterXDict *self = (FilterXDict *) s;
if (!self->iter)
return FALSE;
return self->iter(self, func, user_data);
}
static gboolean
_len(FilterXObject *s, guint64 *len)
{
FilterXDict *self = (FilterXDict *) s;
*len = self->len(self);
return TRUE;
}
static FilterXObject *
_get_subscript(FilterXObject *s, FilterXObject *key)
{
FilterXDict *self = (FilterXDict *) s;
if (!key)
{
msg_error("FilterX: Failed to get element of dict, key is mandatory");
return NULL;
}
return self->get_subscript(self, key);
}
static gboolean
_set_subscript(FilterXObject *s, FilterXObject *key, FilterXObject **new_value)
{
FilterXDict *self = (FilterXDict *) s;
if (!key)
{
msg_error("FilterX: Failed to set element of dict, key is mandatory");
return FALSE;
}
return self->set_subscript(self, key, new_value);
}
static gboolean
_is_key_set(FilterXObject *s, FilterXObject *key)
{
FilterXDict *self = (FilterXDict *) s;
if (!key)
{
msg_error("FilterX: Failed to check key of dict, key is mandatory");
return FALSE;
}
if (self->is_key_set)
return self->is_key_set(self, key);
FilterXObject *value = self->get_subscript(self, key);
filterx_object_unref(value);
return !!value;
}
static gboolean
_unset_key(FilterXObject *s, FilterXObject *key)
{
FilterXDict *self = (FilterXDict *) s;
if (!key)
{
msg_error("FilterX: Failed to unset element of dict, key is mandatory");
return FALSE;
}
return self->unset_key(self, key);
}
static FilterXObject *
_getattr(FilterXObject *s, FilterXObject *attr)
{
FilterXDict *self = (FilterXDict *) s;
if (!self->support_attr)
return NULL;
FilterXObject *result = self->get_subscript(self, attr);
return result;
}
static gboolean
_setattr(FilterXObject *s, FilterXObject *attr, FilterXObject **new_value)
{
FilterXDict *self = (FilterXDict *) s;
if (!self->support_attr)
return FALSE;
gboolean result = self->set_subscript(self, attr, new_value);
return result;
}
static gboolean
_add_elem_to_json_object(FilterXObject *key_obj, FilterXObject *value_obj, gpointer user_data)
{
struct json_object *object = (struct json_object *) user_data;
/* FilterX strings are always NUL terminated. */
const gchar *key = filterx_string_get_value(key_obj, NULL);
if (!key)
return FALSE;
struct json_object *value = NULL;
FilterXObject *assoc_object = NULL;
if (!filterx_object_map_to_json(value_obj, &value, &assoc_object))
return FALSE;
filterx_json_associate_cached_object(object, assoc_object);
filterx_object_unref(assoc_object);
if (json_object_object_add(object, key, value) != 0)
{
json_object_put(value);
return FALSE;
}
return TRUE;
}
static gboolean
_map_to_json(FilterXObject *s, struct json_object **object, FilterXObject **assoc_object)
{
*object = json_object_new_object();
if (!filterx_dict_iter(s, _add_elem_to_json_object, *object))
{
json_object_put(*object);
*object = NULL;
return FALSE;
}
*assoc_object = filterx_json_new_from_object(json_object_get(*object));
return TRUE;
}
void
filterx_dict_init_instance(FilterXDict *self, FilterXType *type)
{
g_assert(type->is_mutable);
g_assert(type->len == _len);
g_assert(type->get_subscript == _get_subscript);
g_assert(type->set_subscript == _set_subscript);
g_assert(type->is_key_set == _is_key_set);
g_assert(type->unset_key == _unset_key);
g_assert(type->getattr == _getattr);
g_assert(type->setattr == _setattr);
filterx_object_init_instance(&self->super, type);
self->support_attr = TRUE;
}
FILTERX_DEFINE_TYPE(dict, FILTERX_TYPE_NAME(object),
.is_mutable = TRUE,
.len = _len,
.get_subscript = _get_subscript,
.set_subscript = _set_subscript,
.is_key_set = _is_key_set,
.unset_key = _unset_key,
.getattr = _getattr,
.setattr = _setattr,
.map_to_json = _map_to_json,
);
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