///////////////////////////////////////////////////////////////////////////////

// Name:        wx/versioninfo.h

// Purpose:     declaration of wxVersionInfo class

// Author:      Troels K

// Created:     2010-11-22

// Copyright:   (c) 2010 wxWidgets team

// Licence:     wxWindows licence

///////////////////////////////////////////////////////////////////////////////

#ifndef _WX_VERSIONINFO_H_

#define _WX_VERSIONINFO_H_

#include "wx/string.h"

// ----------------------------------------------------------------------------

// wxVersionInfo: represents version information

// ----------------------------------------------------------------------------

class wxVersionInfo

{

public:

    wxVersionInfo(const wxString& name = wxString(),

                  int major = 0,

                  int minor = 0,

                  int micro = 0,

                  int revision = 0,

                  const wxString& description = wxString(),

                  const wxString& copyright = wxString())

    {

        Init(name, major, minor, micro, revision, description, copyright);

    }

    // This constructor exists for backward compatibility (before the revision

    // part was added).

    wxVersionInfo(const wxString& name,

                  int major, int minor, int micro,

                  const wxString& description,

                  const wxString& copyright = wxString())

    {

        Init(name, major, minor, micro, 0, description, copyright);

    }

    // Default copy ctor, assignment operator and dtor are ok.

    // Check if this version is at least equal to the given one.

    bool AtLeast(int major, int minor = 0, int micro = 0) const

    {

        if ( m_major > major )

            return true;

        if ( m_major < major )

            return false;

        if ( m_minor > minor )

            return true;

        if ( m_minor < minor )

            return false;

        return m_micro >= micro;

    }

    const wxString& GetName() const { return m_name; }

    int GetMajor() const { return m_major; }

    int GetMinor() const { return m_minor; }

    int GetMicro() const { return m_micro; }

    int GetRevision() const { return m_revision; }

    wxString ToString() const

    {

        return HasDescription() ? GetDescription() : GetVersionString();

    }

    wxString GetVersionString() const

    {

        wxString str;

        str << m_name << ' ' << GetMajor() << '.' << GetMinor();

        if ( GetMicro() || GetRevision() )

        {

            str << '.' << GetMicro();

            if ( GetRevision() )

                str << '.' << GetRevision();

        }

        return str;

    }

    bool HasDescription() const { return !m_description.empty(); }

    const wxString& GetDescription() const { return m_description; }

    bool HasCopyright() const { return !m_copyright.empty(); }

    const wxString& GetCopyright() const { return m_copyright; }

private:

    void Init(const wxString& name,

              int major, int minor, int micro, int revision,

              const wxString& description,

              const wxString& copyright)

    {

        m_name = name;

        m_description = description;

        m_copyright = copyright;

        m_major = major;

        m_minor = minor;

        m_micro = micro;

        m_revision = revision;

    }

    wxString m_name,

             m_description,

             m_copyright;

    int m_major,

        m_minor,

        m_micro,

        m_revision;

};

#endif // _WX_VERSIONINFO_H_