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/*
* Copyright (C) 2013 Canonical, Ltd.
*
* Authors:
* Pawel Stolowski <pawel.stolowski@canonical.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "variantconversions.h"
/* Returns floating ref */
GVariant* GVariantFromQVariant(const QVariant &var)
{
GVariant *gv = nullptr;
switch (var.type()) {
case QVariant::String:
gv = g_variant_new_string(var.toString().toUtf8());
break;
case QVariant::UInt:
gv = g_variant_new_uint32(var.toUInt());
break;
case QVariant::Int:
gv = g_variant_new_int32(var.toInt());
break;
case QVariant::LongLong:
gv = g_variant_new_int64(var.toLongLong());
break;
case QVariant::ULongLong:
gv = g_variant_new_uint64(var.toULongLong());
break;
case QVariant::Double:
gv = g_variant_new_double(var.toDouble());
break;
case QVariant::Bool:
gv = g_variant_new_boolean(var.toBool());
break;
case QVariant::Hash: {
const auto hash = var.toHash();
GVariant **children = new GVariant*[hash.size()];
int cnt = 0;
QHash<QString, QVariant>::const_iterator it = hash.constBegin();
while (it != hash.constEnd()) {
GVariant *key = g_variant_new_string(it.key().toUtf8());
children[cnt++] = g_variant_new_dict_entry(key, g_variant_new_variant(GVariantFromQVariant(it.value())));
++it;
}
gv = g_variant_new_array(G_VARIANT_TYPE("{sv}"), children, hash.size());
delete [] children;
break;
}
case QVariant::List: {
const auto list = var.toList();
GVariant **children = new GVariant*[list.size()];
int i = 0;
auto it = list.constBegin();
while (it != list.constEnd()) {
children[i++] = GVariantFromQVariant(*it);
++it;
}
gv = g_variant_new_array(NULL, children, list.size());
delete [] children;
break;
}
default:
qWarning("Unable to convert QVariant with type %s to GVariant", var.typeName());
break;
}
return gv;
}
QVariant QVariantFromGVariant(GVariant *value)
{
/* We need to special-case a{sv} here as G_VARIANT_CLASS_ARRAY handles simple arrays;
we need to create QVariantHash, not a list */
if (g_variant_is_of_type(value, G_VARIANT_TYPE_VARDICT)) {
const gsize nChildren = g_variant_n_children(value);
QVariantHash hash;
for (gsize i = 0; i < nChildren; ++i)
{
GVariant* dict_entry = g_variant_get_child_value(value, i);
gchar* dict_key;
GVariant *dict_var;
g_variant_get(dict_entry, "{&sv}", &dict_key, &dict_var);
hash.insert(QString::fromUtf8(dict_key), QVariantFromGVariant(dict_var));
g_variant_unref(dict_var);
g_variant_unref(dict_entry);
}
return hash;
}
switch (g_variant_classify(value)) {
case G_VARIANT_CLASS_BOOLEAN:
return QVariant((bool) g_variant_get_boolean(value));
case G_VARIANT_CLASS_BYTE:
return QVariant((uchar) g_variant_get_byte(value));
case G_VARIANT_CLASS_INT16:
return QVariant((qint16) g_variant_get_int16(value));
case G_VARIANT_CLASS_UINT16:
return QVariant((quint16) g_variant_get_uint16(value));
case G_VARIANT_CLASS_INT32:
return QVariant((qint32) g_variant_get_int32(value));
case G_VARIANT_CLASS_UINT32:
return QVariant((quint32) g_variant_get_uint32(value));
case G_VARIANT_CLASS_INT64:
return QVariant((qint64) g_variant_get_int64(value));
case G_VARIANT_CLASS_UINT64:
return QVariant((quint64) g_variant_get_uint64(value));
case G_VARIANT_CLASS_DOUBLE:
return QVariant(g_variant_get_double(value));
case G_VARIANT_CLASS_STRING:
return QVariant(QString::fromUtf8(g_variant_get_string(value, NULL)));
case G_VARIANT_CLASS_ARRAY:
case G_VARIANT_CLASS_TUPLE:
{
const gsize nChildren = g_variant_n_children(value);
QList<QVariant> array;
for (gsize i = 0; i < nChildren; ++i)
{
GVariant* gvariant = g_variant_get_child_value(value, i);
array << QVariantFromGVariant(gvariant);
g_variant_unref(gvariant);
}
return array;
}
case G_VARIANT_CLASS_VARIANT:
{
GVariant* gvariant = g_variant_get_variant(value);
QVariant ret(QVariantFromGVariant(gvariant));
g_variant_unref(gvariant);
return ret;
}
default:
/* Fallback on an empty QVariant.
FIXME: Missing conversion of following GVariant types:
- G_VARIANT_CLASS_HANDLE
- G_VARIANT_CLASS_OBJECT_PATH
- G_VARIANT_CLASS_SIGNATURE
- G_VARIANT_CLASS_MAYBE
- G_VARIANT_CLASS_DICT_ENTRY
*/
qWarning("Unimplemented conversion from GVariant of type %s", g_variant_get_type_string(value));
return QVariant();
}
}
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