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/* json-value.c - JSON value container
*
* This file is part of JSON-GLib
* Copyright (C) 2012 Emmanuele Bassi <ebassi@gnome.org>
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Author:
* Emmanuele Bassi <ebassi@linux.intel.com>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include "json-types-private.h"
const gchar *
json_value_type_get_name (JsonValueType value_type)
{
switch (value_type)
{
case JSON_VALUE_INVALID:
return "Unset";
case JSON_VALUE_INT:
return "Integer";
case JSON_VALUE_DOUBLE:
return "Floating Point";
case JSON_VALUE_BOOLEAN:
return "Boolean";
case JSON_VALUE_STRING:
return "String";
case JSON_VALUE_NULL:
return "Null";
}
return "Undefined";
}
GType
json_value_type (const JsonValue *value)
{
switch (value->type)
{
case JSON_VALUE_INVALID:
return G_TYPE_INVALID;
case JSON_VALUE_INT:
return G_TYPE_INT64;
case JSON_VALUE_DOUBLE:
return G_TYPE_DOUBLE;
case JSON_VALUE_BOOLEAN:
return G_TYPE_BOOLEAN;
case JSON_VALUE_STRING:
return G_TYPE_STRING;
case JSON_VALUE_NULL:
return G_TYPE_INVALID;
}
return G_TYPE_INVALID;
}
JsonValue *
json_value_alloc (void)
{
JsonValue *res = g_slice_new0 (JsonValue);
res->ref_count = 1;
return res;
}
JsonValue *
json_value_init (JsonValue *value,
JsonValueType value_type)
{
g_return_val_if_fail (value != NULL, NULL);
if (value->type != JSON_VALUE_INVALID)
json_value_unset (value);
value->type = value_type;
return value;
}
JsonValue *
json_value_ref (JsonValue *value)
{
g_return_val_if_fail (value != NULL, NULL);
g_atomic_int_add (&value->ref_count, 1);
return value;
}
void
json_value_unref (JsonValue *value)
{
g_return_if_fail (value != NULL);
if (g_atomic_int_dec_and_test (&value->ref_count))
json_value_free (value);
}
void
json_value_unset (JsonValue *value)
{
g_return_if_fail (value != NULL);
switch (value->type)
{
case JSON_VALUE_INVALID:
break;
case JSON_VALUE_INT:
value->data.v_int = 0;
break;
case JSON_VALUE_DOUBLE:
value->data.v_double = 0.0;
break;
case JSON_VALUE_BOOLEAN:
value->data.v_bool = FALSE;
break;
case JSON_VALUE_STRING:
g_free (value->data.v_str);
value->data.v_str = NULL;
break;
case JSON_VALUE_NULL:
break;
}
}
void
json_value_free (JsonValue *value)
{
if (G_LIKELY (value != NULL))
{
json_value_unset (value);
g_slice_free (JsonValue, value);
}
}
#define _JSON_VALUE_DEFINE_SET(Type,EType,CType,VField) \
void \
json_value_set_##Type (JsonValue *value, CType VField) \
{ \
g_return_if_fail (JSON_VALUE_IS_VALID (value)); \
g_return_if_fail (JSON_VALUE_HOLDS (value, JSON_VALUE_##EType)); \
\
value->data.VField = VField; \
\
}
#define _JSON_VALUE_DEFINE_GET(Type,EType,CType,VField) \
CType \
json_value_get_##Type (const JsonValue *value) \
{ \
g_return_val_if_fail (JSON_VALUE_IS_VALID (value), 0); \
g_return_val_if_fail (JSON_VALUE_HOLDS (value, JSON_VALUE_##EType), 0); \
\
return value->data.VField; \
}
#define _JSON_VALUE_DEFINE_SET_GET(Type,EType,CType,VField) \
_JSON_VALUE_DEFINE_SET(Type,EType,CType,VField) \
_JSON_VALUE_DEFINE_GET(Type,EType,CType,VField)
_JSON_VALUE_DEFINE_SET_GET(int, INT, gint64, v_int)
_JSON_VALUE_DEFINE_SET_GET(double, DOUBLE, gdouble, v_double)
_JSON_VALUE_DEFINE_SET_GET(boolean, BOOLEAN, gboolean, v_bool)
void
json_value_set_string (JsonValue *value,
const gchar *v_str)
{
g_return_if_fail (JSON_VALUE_IS_VALID (value));
g_return_if_fail (JSON_VALUE_HOLDS_STRING (value));
g_free (value->data.v_str);
value->data.v_str = g_strdup (v_str);
}
_JSON_VALUE_DEFINE_GET(string, STRING, const gchar *, v_str)
#undef _JSON_VALUE_DEFINE_SET_GET
#undef _JSON_VALUE_DEFINE_GET
#undef _JSON_VALUE_DEFINE_SET
|
