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/*
* Copyright (c) 2023 Balazs Scheidler <balazs.scheidler@axoflow.com>
*
* 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 "object-null.h"
#include "filterx-globals.h"
static FilterXObject *null_object;
static gboolean
_truthy(FilterXObject *s)
{
return FALSE;
}
static gboolean
_marshal(FilterXObject *s, GString *repr, LogMessageValueType *t)
{
*t = LM_VT_NULL;
return TRUE;
}
static gboolean
_map_to_json(FilterXObject *s, struct json_object **object, FilterXObject **assoc_object)
{
*object = NULL;
return TRUE;
}
gboolean
null_repr(GString *repr)
{
g_string_append_len(repr, "null", 4);
return TRUE;
}
static gboolean
_null_repr(FilterXObject *s, GString *repr)
{
return null_repr(repr);
}
FilterXObject *
_null_wrap(void)
{
return filterx_object_new(&FILTERX_TYPE_NAME(null));
}
FilterXObject *
filterx_null_new(void)
{
return filterx_object_ref(null_object);
}
FILTERX_DEFINE_TYPE(null, FILTERX_TYPE_NAME(object),
.map_to_json = _map_to_json,
.marshal = _marshal,
.repr = _null_repr,
.truthy = _truthy,
);
void
filterx_null_global_init(void)
{
filterx_cache_object(&null_object, _null_wrap());
}
void
filterx_null_global_deinit(void)
{
filterx_uncache_object(&null_object);
}
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