qqmljsstreamwriter_p.h

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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
#ifndef QQMLJSSTREAMWRITER_P_H
#define QQMLJSSTREAMWRITER_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
 
#include <QtCore/QIODevice>
#include <QtCore/QList>
#include <QtCore/QString>
#include <QtCore/QScopedPointer>
#include <utility>
 
QT_BEGIN_NAMESPACE
 
class QQmlJSStreamWriter
{
public:
    QQmlJSStreamWriter(QByteArray *array);
 
    void writeStartDocument();
    void writeEndDocument();
    void writeLibraryImport(
        QByteArrayView uri, int majorVersion, int minorVersion, QByteArrayView as = {});
    void writeStartObject(QByteArrayView component);
    void writeEndObject();
    void writeScriptBinding(QByteArrayView name, QByteArrayView rhs);
    void writeStringBinding(QByteArrayView name, QAnyStringView value);
    void writeNumberBinding(QByteArrayView name, qint64 value);
 
    // TODO: Drop this once we can drop qmlplugindump. It is substantially weird.
    void writeEnumObjectLiteralBinding(
        QByteArrayView name, const QList<std::pair<QAnyStringView, int>> &keyValue);
 
    // TODO: these would look better with generator functions.
    void writeArrayBinding(QByteArrayView name, const QByteArrayList &elements);
    void writeStringListBinding(QByteArrayView name, const QList<QAnyStringView> &elements);
 
    void write(QByteArrayView data);
    void writeBooleanBinding(QByteArrayView name, bool value);
 
private:
    void writeIndent();
    void writePotentialLine(const QByteArray &line);
    void flushPotentialLinesWithNewlines();
 
    template<typename String, typename ElementHandler>
    void doWriteArrayBinding(
            QByteArrayView name, const QList<String> &elements, ElementHandler &&handler);
 
    int m_indentDepth;
    QList<QByteArray> m_pendingLines;
    int m_pendingLineLength;
    bool m_maybeOneline;
    QScopedPointer<QIODevice> m_stream;
};
 
QT_END_NAMESPACE
 
#endif // QQMLJSSTREAMWRITER_P_H