/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** This file is part of the QtQml module of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** Alternatively, this file may be used under the terms of the GNU
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#ifndef QV4ARRAYBUFFER_H
#define QV4ARRAYBUFFER_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 "qv4object_p.h"
#include "qv4functionobject_p.h"

QT_BEGIN_NAMESPACE

namespace QV4 {

namespace Heap {

struct ArrayBufferCtor : FunctionObject {
    void init(QV4::ExecutionContext *scope);
};

struct Q_QML_PRIVATE_EXPORT ArrayBuffer : Object {
    void init(size_t length);
    void init(const QByteArray& array);
    void destroy();
    QTypedArrayData<char> *data;

    uint byteLength() const { return data->size; }
};

}

struct ArrayBufferCtor: FunctionObject
{
    V4_OBJECT2(ArrayBufferCtor, FunctionObject)

    static ReturnedValue callAsConstructor(const FunctionObject *f, const Value *argv, int argc);
    static ReturnedValue call(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc);

    static ReturnedValue method_isView(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);

};

struct Q_QML_PRIVATE_EXPORT ArrayBuffer : Object
{
    V4_OBJECT2(ArrayBuffer, Object)
    V4_NEEDS_DESTROY
    V4_PROTOTYPE(arrayBufferPrototype)

    QByteArray asByteArray() const;
    uint byteLength() const { return d()->byteLength(); }
    char *data() { detach(); return d()->data ? d()->data->data() : nullptr; }
    const char *constData() { detach(); return d()->data ? d()->data->data() : nullptr; }

private:
    void detach();
};

struct ArrayBufferPrototype: Object
{
    void init(ExecutionEngine *engine, Object *ctor);

    static ReturnedValue method_get_byteLength(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
    static ReturnedValue method_slice(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
    static ReturnedValue method_toString(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
};


} // namespace QV4

QT_END_NAMESPACE

#endif
