mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
synced 2026-03-14 07:30:35 +01:00
149 lines
3.9 KiB
C
149 lines
3.9 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright 2018 Red Hat, Inc.
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*/
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#ifndef __NM_JANSSON_H__
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#define __NM_JANSSON_H__
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/* you need to include at least "config.h" first, possibly "nm-default.h". */
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#if WITH_JANSSON
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#include <jansson.h>
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/* Added in Jansson v2.7 */
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#ifndef json_boolean_value
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#define json_boolean_value json_is_true
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#endif
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/* Added in Jansson v2.8 */
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#ifndef json_object_foreach_safe
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#define json_object_foreach_safe(object, n, key, value) \
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for (key = json_object_iter_key(json_object_iter(object)), \
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n = json_object_iter_next(object, json_object_key_to_iter(key)); \
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key && (value = json_object_iter_value(json_object_key_to_iter(key))); \
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key = json_object_iter_key(n), \
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n = json_object_iter_next(object, json_object_key_to_iter(key)))
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#endif
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NM_AUTO_DEFINE_FCN0 (json_t *, _nm_auto_decref_json, json_decref)
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#define nm_auto_decref_json nm_auto(_nm_auto_decref_json)
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/*****************************************************************************/
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static inline int
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nm_jansson_json_as_bool (const json_t *elem,
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bool *out_val)
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{
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if (!elem)
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return 0;
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if (!json_is_boolean (elem))
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return -EINVAL;
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NM_SET_OUT (out_val, json_boolean_value (elem));
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return 1;
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}
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static inline int
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nm_jansson_json_as_int32 (const json_t *elem,
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gint32 *out_val)
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{
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json_int_t v;
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if (!elem)
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return 0;
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if (!json_is_integer (elem))
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return -EINVAL;
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v = json_integer_value (elem);
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if ( v < (gint64) G_MININT32
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|| v > (gint64) G_MAXINT32)
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return -ERANGE;
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NM_SET_OUT (out_val, v);
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return 1;
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}
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static inline int
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nm_jansson_json_as_int (const json_t *elem,
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int *out_val)
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{
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json_int_t v;
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if (!elem)
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return 0;
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if (!json_is_integer (elem))
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return -EINVAL;
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v = json_integer_value (elem);
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if ( v < (gint64) G_MININT
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|| v > (gint64) G_MAXINT)
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return -ERANGE;
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NM_SET_OUT (out_val, v);
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return 1;
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}
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static inline int
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nm_jansson_json_as_string (const json_t *elem,
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const char **out_val)
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{
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if (!elem)
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return 0;
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if (!json_is_string (elem))
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return -EINVAL;
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NM_SET_OUT (out_val, json_string_value (elem));
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return 1;
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}
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/*****************************************************************************/
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#ifdef NM_VALUE_TYPE_DEFINE_FUNCTIONS
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#include "nm-value-type.h"
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static inline gboolean
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nm_value_type_from_json (NMValueType value_type,
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const json_t *elem,
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gpointer out_val)
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{
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switch (value_type) {
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case NM_VALUE_TYPE_BOOL: return (nm_jansson_json_as_bool (elem, out_val) > 0);
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case NM_VALUE_TYPE_INT32: return (nm_jansson_json_as_int32 (elem, out_val) > 0);
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case NM_VALUE_TYPE_INT: return (nm_jansson_json_as_int (elem, out_val) > 0);
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/* warning: this overwrites/leaks the previous value. You better have *out_val
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* point to uninitialized memory or NULL. */
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case NM_VALUE_TYPE_STRING: return (nm_jansson_json_as_string (elem, out_val) > 0);
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case NM_VALUE_TYPE_UNSPEC:
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break;
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}
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nm_assert_not_reached ();
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return FALSE;
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}
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#endif
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/*****************************************************************************/
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#endif /* WITH_JANSON */
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#endif /* __NM_JANSSON_H__ */
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