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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
* 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 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 Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
* Copyright 2007 - 2014 Red Hat, Inc.
* Copyright 2007 - 2008 Novell, Inc.
*/
#include "config.h"
#include "nm-property-compare.h"
#include "nm-glib-compat.h"
#include <string.h>
#include <math.h>
#include <netinet/in.h>
#include <gio/gio.h>
static gint
_nm_property_compare_collection (GVariant *value1, GVariant *value2)
{
GVariant *child1, *child2;
int i, len1, len2;
int ret;
len1 = g_variant_n_children (value1);
len2 = g_variant_n_children (value2);
if (len1 != len2)
return len1 < len2 ? -1 : len1 > len2;
for (i = 0; i < len1; i++) {
child1 = g_variant_get_child_value (value1, i);
child2 = g_variant_get_child_value (value2, i);
ret = nm_property_compare (child1, child2);
g_variant_unref (child1);
g_variant_unref (child2);
if (ret)
return ret;
}
return 0;
}
static gint
_nm_property_compare_strdict (GVariant *value1, GVariant *value2)
{
GVariantIter iter;
int len1, len2;
const char *key, *val1, *val2;
int ret;
len1 = g_variant_n_children (value1);
len2 = g_variant_n_children (value2);
if (len1 != len2)
return len1 < len2 ? -1 : len1 > len2;
g_variant_iter_init (&iter, value1);
while (g_variant_iter_next (&iter, "{&s&s}", &key, &val1)) {
if (!g_variant_lookup (value2, key, "&s", &val2))
return -1;
ret = strcmp (val1, val2);
if (ret)
return ret;
}
return 0;
}
int
nm_property_compare (GVariant *value1, GVariant *value2)
{
const GVariantType *type1;
const GVariantType *type2;
gint ret;
if (value1 == value2)
return 0;
if (!value1)
return 1;
if (!value2)
return -1;
type1 = g_variant_get_type (value1);
type2 = g_variant_get_type (value2);
if (!g_variant_type_equal (type1, type2))
return type1 < type2 ? -1 : type1 > type2;
if (g_variant_type_is_basic (type1))
ret = g_variant_compare (value1, value2);
else if (g_variant_is_of_type (value1, G_VARIANT_TYPE ("a{ss}")))
ret = _nm_property_compare_strdict (value1, value2);
else if (g_variant_type_is_array (type1))
ret = _nm_property_compare_collection (value1, value2);
else if (g_variant_type_is_tuple (type1))
ret = _nm_property_compare_collection (value1, value2);
else {
g_warning ("Don't know how to compare variant type '%s'", (const char *) type1);
ret = value1 == value2;
}
return ret;
}
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