qt-everywhere-src-5.15.1/qtdeclarative/tools/qmllint/componentversion.h

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#ifndef COMPONENTVERSION_H
#define COMPONENTVERSION_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/qglobal.h>

class ComponentVersion
{
public:
    static const int NoVersion = -1;

    ComponentVersion() = default;
    ComponentVersion(int major, int minor) : m_major(major), m_minor(minor) {}
    explicit ComponentVersion(const QString &versionString);

    int majorVersion() const { return m_major; }
    int minorVersion() const { return m_minor; }

    bool isValid() const { return m_major >= 0 && m_minor >= 0; }

private:
    int m_major = NoVersion;
    int m_minor = NoVersion;
};

bool operator<(const ComponentVersion &lhs, const ComponentVersion &rhs);
bool operator<=(const ComponentVersion &lhs, const ComponentVersion &rhs);
bool operator>(const ComponentVersion &lhs, const ComponentVersion &rhs);
bool operator>=(const ComponentVersion &lhs, const ComponentVersion &rhs);
bool operator==(const ComponentVersion &lhs, const ComponentVersion &rhs);
bool operator!=(const ComponentVersion &lhs, const ComponentVersion &rhs);

#endif // COMPONENTVERSION_H