WTFString.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef WTFSTRING_H

#define WTFSTRING_H

#include <QString>

#include <wtf/ASCIICType.h>

#include <wtf/unicode/Unicode.h>

#include <QtCore/qhashfunctions.h>

#include <memory>

namespace WTF {

class PrintStream;

class String : public QString

public:

    String() = default;

    String(const QString& s) : QString(s) {}

    bool is8Bit() const { return false; }

    const unsigned char *characters8() const { return 0; }

    const UChar *characters16() const { return reinterpret_cast<const UChar*>(constData()); }

    template <typename T>

    const T* characters() const;

    bool operator!() const { return isEmpty(); }

    void dump(PrintStream &) const {}

private:

    friend size_t qHash(const String &key, size_t seed = 0) noexcept

        // delegate to qHash(QString)

        const QString &s = key;

        using QT_PREPEND_NAMESPACE(qHash);

        return qHash(s, seed);

};

template <>

inline const unsigned char* String::characters<unsigned char>() const { return characters8(); }

template <>

inline const UChar* String::characters<UChar>() const { return characters16(); }

// Don't import WTF::String into the global namespace to avoid conflicts with QQmlJS::VM::String

namespace JSC {

    using WTF::String;

#define WTFMove(value) std::move(value)

#endif // WTFSTRING_H