diff options
Diffstat (limited to 'src/corelib/serialization/qbinaryjsonvalue.cpp')
-rw-r--r-- | src/corelib/serialization/qbinaryjsonvalue.cpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/corelib/serialization/qbinaryjsonvalue.cpp b/src/corelib/serialization/qbinaryjsonvalue.cpp new file mode 100644 index 0000000000..5e3a01ad38 --- /dev/null +++ b/src/corelib/serialization/qbinaryjsonvalue.cpp @@ -0,0 +1,155 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qbinaryjsonobject_p.h" +#include "qbinaryjsonvalue_p.h" +#include "qbinaryjsonarray_p.h" +#include "qbinaryjson_p.h" + +#include <qjsonarray.h> +#include <qjsonobject.h> + +QT_BEGIN_NAMESPACE + +QBinaryJsonValue::QBinaryJsonValue(QBinaryJsonPrivate::MutableData *data, + QBinaryJsonPrivate::Base *parent, + const QBinaryJsonPrivate::Value &v) + : t(QJsonValue::Type(uint(v.type))) +{ + switch (t) { + case QJsonValue::Undefined: + case QJsonValue::Null: + dbl = 0; + break; + case QJsonValue::Bool: + b = v.toBoolean(); + break; + case QJsonValue::Double: + dbl = v.toDouble(parent); + break; + case QJsonValue::String: { + QString s = v.toString(parent); + stringData = s.data_ptr(); + stringData->ref.ref(); + break; + } + case QJsonValue::Array: + case QJsonValue::Object: + d = data; + base = v.base(parent); + break; + } + if (d) + d->ref.ref(); +} + +QBinaryJsonValue::QBinaryJsonValue(QString string) + : stringData(*reinterpret_cast<QStringData **>(&string)), t(QJsonValue::String) +{ + stringData->ref.ref(); +} + +QBinaryJsonValue::QBinaryJsonValue(const QBinaryJsonArray &a) + : base(a.a), d(a.d), t(QJsonValue::Array) +{ + if (d) + d->ref.ref(); +} + +QBinaryJsonValue::QBinaryJsonValue(const QBinaryJsonObject &o) + : base(o.o), d(o.d), t(QJsonValue::Object) +{ + if (d) + d->ref.ref(); +} + +QBinaryJsonValue::~QBinaryJsonValue() +{ + if (t == QJsonValue::String && stringData && !stringData->ref.deref()) + free(stringData); + + if (d && !d->ref.deref()) + delete d; +} + +QBinaryJsonValue QBinaryJsonValue::fromJsonValue(const QJsonValue &json) +{ + switch (json.type()) { + case QJsonValue::Bool: + return QBinaryJsonValue(json.toBool()); + case QJsonValue::Double: + return QBinaryJsonValue(json.toDouble()); + case QJsonValue::String: + return QBinaryJsonValue(json.toString()); + case QJsonValue::Array: + return QBinaryJsonArray::fromJsonArray(json.toArray()); + case QJsonValue::Object: + return QBinaryJsonObject::fromJsonObject(json.toObject()); + case QJsonValue::Null: + return QBinaryJsonValue(QJsonValue::Null); + case QJsonValue::Undefined: + return QBinaryJsonValue(QJsonValue::Undefined); + } + Q_UNREACHABLE(); + return QBinaryJsonValue(QJsonValue::Null); +} + +QString QBinaryJsonValue::toString() const +{ + if (t != QJsonValue::String) + return QString(); + stringData->ref.ref(); // the constructor below doesn't add a ref. + QStringDataPtr holder = { stringData }; + return QString(holder); +} + +void QBinaryJsonValue::detach() +{ + if (!d) + return; + + QBinaryJsonPrivate::MutableData *x = d->clone(base); + x->ref.ref(); + if (!d->ref.deref()) + delete d; + d = x; + base = static_cast<QBinaryJsonPrivate::Object *>(d->header->root()); +} + +QT_END_NAMESPACE |