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fee50e17b2
$ git shortlog -n -s a3e75f3294 -- shared/nm-glib-aux/nm-jansson.h shared/nm-utils/nm-jansson.h
7 Thomas Haller
1 Lubomir Rintel
1 Beniamino Galvani
1 Francesco Giudici
All contributors agreed to the relicensing according to "RELICENSE.md".
135 lines
3.2 KiB
C
135 lines
3.2 KiB
C
// SPDX-License-Identifier: LGPL-2.1+
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/*
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* Copyright (C) 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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