Clementine-audio-player-Mac.../3rdparty/libmygpo-qt/qjsonwrapper/Json.cpp

129 lines
3.7 KiB
C++

/* Copyright 2014, Uwe L. Korn <uwelk@xhochy.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "Json.h"
// Qt version specific includes
#if QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 )
#include <QJsonDocument>
#include <QMetaProperty>
#else
#include <qjson/parser.h>
#include <qjson/qobjecthelper.h>
#include <qjson/serializer.h>
#endif
namespace QJsonWrapper
{
QVariantMap
qobject2qvariant( const QObject* object )
{
#if QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 )
QVariantMap map;
if ( object == NULL )
{
return map;
}
const QMetaObject* metaObject = object->metaObject();
for ( int i = 0; i < metaObject->propertyCount(); ++i )
{
QMetaProperty metaproperty = metaObject->property( i );
if ( metaproperty.isReadable() )
{
map[ QLatin1String( metaproperty.name() ) ] = object->property( metaproperty.name() );
}
}
return map;
#else
return QJson::QObjectHelper::qobject2qvariant( object );
#endif
}
void
qvariant2qobject( const QVariantMap& variant, QObject* object )
{
#if QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 )
for ( QVariantMap::const_iterator iter = variant.begin(); iter != variant.end(); ++iter )
{
QVariant property = object->property( iter.key().toLatin1() );
Q_ASSERT( property.isValid() );
if ( property.isValid() )
{
QVariant value = iter.value();
if ( value.canConvert( property.type() ) )
{
value.convert( property.type() );
object->setProperty( iter.key().toLatin1(), value );
} else if ( QString( QLatin1String("QVariant") ).compare( QLatin1String( property.typeName() ) ) == 0 ) {
object->setProperty( iter.key().toLatin1(), value );
}
}
}
#else
QJson::QObjectHelper::qvariant2qobject( variant, object );
#endif
}
QVariant
parseJson( const QByteArray& jsonData, bool* ok )
{
#if QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 )
QJsonParseError error;
QJsonDocument doc = QJsonDocument::fromJson( jsonData, &error );
if ( ok != NULL )
{
*ok = ( error.error == QJsonParseError::NoError );
}
return doc.toVariant();
#else
QJson::Parser p;
return p.parse( jsonData, ok );
#endif
}
QByteArray
toJson( const QVariant &variant, bool* ok )
{
#if QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 )
QJsonDocument doc = QJsonDocument::fromVariant( variant );
if ( ok != NULL )
{
*ok = !doc.isNull();
}
return doc.toJson( QJsonDocument::Compact );
#else
QJson::Serializer serializer;
QByteArray ret = serializer.serialize(variant);
if ( ok != NULL )
{
*ok = !ret.isNull();
}
return ret;
#endif
}
}