qt-creator/src/libs/languageutils/componentversion.h

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#ifndef COMPONENTVERSION_H
#define COMPONENTVERSION_H

#include "languageutils_global.h"

QT_BEGIN_NAMESPACE
class QCryptographicHash;
QT_END_NAMESPACE

namespace LanguageUtils {

class LANGUAGEUTILS_EXPORT ComponentVersion
{
    int _major;
    int _minor;

public:
    static const int NoVersion;
    static const int MaxVersion;

    ComponentVersion();
    ComponentVersion(int major, int minor);
    explicit ComponentVersion(const QString &versionString);
    ~ComponentVersion();

    int majorVersion() const
    { return _major; }
    int minorVersion() const
    { return _minor; }

    bool isValid() const;
    QString toString() const;
    void addToHash(QCryptographicHash &hash) const;
};

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

} // namespace LanguageUtils

#endif // COMPONENTVERSION_H