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++ // Copyright (C) 2026 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 QPARSE_COMMON_P_H
++ #define QPARSE_COMMON_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/private/qglobal_p.h>
++ #include <QtCore/qassert.h>
++ #include <QtCore/qstringview.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace QtParseCommon {
++ struct ParsedText
++ {
++ qsizetype startIndex = 0;
++ qsizetype endIndex = 0;
++
++ constexpr operator bool() const noexcept { return endIndex > startIndex; }
++ constexpr bool isEmpty() const { return endIndex <= startIndex; }
++ // size() is a UTF-16 length, not a count of Unicode characters:
++ constexpr qsizetype size() const { return endIndex - startIndex; }
++ // text must be the same as was passed to whatever's parsing produced this:
++ constexpr QStringView used(QStringView text) const
++ {
++ Q_PRE(0 <= startIndex);
++ Q_PRE(startIndex <= endIndex);
++ Q_PRE(endIndex <= text.size());
++ return text.first(endIndex).sliced(startIndex);
++ }
++ };
++ }
++
++ QT_END_NAMESPACE
++
++ #endif // QPARSE_COMMON_P_H