variant.cpp

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}


bool wxVariantDataDateTime::Eq(wxVariantData& data) const
{
    wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Eq: argument mismatch") );

    wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;

    return (otherData.m_value == m_value);
}


#if wxUSE_STD_IOSTREAM
bool wxVariantDataDateTime::Write(wxSTD ostream& WXUNUSED(str)) const
{
    // Not implemented
    return false;
}
#endif


bool wxVariantDataDateTime::Write(wxString& str) const
{
    str = m_value.Format();
    return true;
}


#if wxUSE_STD_IOSTREAM
bool wxVariantDataDateTime::Read(wxSTD istream& WXUNUSED(str))
{
    // Not implemented
    return false;
}
#endif


bool wxVariantDataDateTime::Read(wxString& str)
{
    if(! m_value.ParseDateTime(str))
        return false;
    return true;
}

#endif // wxUSE_DATETIME

// ----------------------------------------------------------------------------
// wxVariantDataArrayString
// ----------------------------------------------------------------------------

class wxVariantDataArrayString: public wxVariantData
{
public:
    wxVariantDataArrayString() { }
    wxVariantDataArrayString(const wxArrayString& value) { m_value = value; }

    wxArrayString GetValue() const { return m_value; }
    void SetValue(const wxArrayString& value) { m_value = value; }

    virtual void Copy(wxVariantData& data);
    virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
    virtual bool Write(wxSTD ostream& str) const;
#endif
    virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
    virtual bool Read(wxSTD istream& str);
#endif
    virtual bool Read(wxString& str);
    virtual wxString GetType() const { return wxT("arrstring"); };
    virtual wxVariantData* Clone() { return new wxVariantDataArrayString; }

protected:
    wxArrayString m_value;

    DECLARE_DYNAMIC_CLASS(wxVariantDataArrayString)
};

IMPLEMENT_DYNAMIC_CLASS(wxVariantDataArrayString, wxVariantData)

void wxVariantDataArrayString::Copy(wxVariantData& data)
{
    wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Copy: Can't copy to this type of data") );

    wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;

    otherData.m_value = m_value;
}


bool wxVariantDataArrayString::Eq(wxVariantData& data) const
{
    wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Eq: argument mismatch") );

    wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;

    return otherData.m_value == m_value;
}


#if wxUSE_STD_IOSTREAM
bool wxVariantDataArrayString::Write(wxSTD ostream& WXUNUSED(str)) const
{
    // Not implemented
    return false;
}
#endif


bool wxVariantDataArrayString::Write(wxString& str) const
{
    size_t count = m_value.GetCount();
    for ( size_t n = 0; n < count; n++ )
    {
        if ( n )
            str += _T(';');

        str += m_value[n];
    }

    return true;
}


#if wxUSE_STD_IOSTREAM
bool wxVariantDataArrayString::Read(wxSTD istream& WXUNUSED(str))
{
    // Not implemented
    return false;
}
#endif


bool wxVariantDataArrayString::Read(wxString& str)
{
    wxStringTokenizer tk(str, _T(";"));
    while ( tk.HasMoreTokens() )
    {
        m_value.Add(tk.GetNextToken());
    }

    return true;
}



/*
 * wxVariant
 */

IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject)

// Construction & destruction
wxVariant::wxVariant()
{
    m_data = (wxVariantData*) NULL;
}

wxVariant::wxVariant(double val, const wxString& name)
{
    m_data = new wxVariantDataReal(val);
    m_name = name;
}

wxVariant::wxVariant(long val, const wxString& name)
{
    m_data = new wxVariantDataLong(val);
    m_name = name;
}

#ifdef HAVE_BOOL
wxVariant::wxVariant(bool val, const wxString& name)
{
    m_data = new wxVariantDataBool(val);
    m_name = name;
}
#endif

wxVariant::wxVariant(char val, const wxString& name)
{
    m_data = new wxVariantDataChar(val);
    m_name = name;
}

wxVariant::wxVariant(const wxString& val, const wxString& name)
{
    m_data = new wxVariantDataString(val);
    m_name = name;
}

wxVariant::wxVariant(const wxChar* val, const wxString& name)
{
    m_data = new wxVariantDataString(wxString(val));
    m_name = name;
}

#if WXWIN_COMPATIBILITY_2_4

wxVariant::wxVariant(const wxStringList& val, const wxString& name)
{
    m_data = new wxVariantDataStringList(val);
    m_name = name;
}

#endif

wxVariant::wxVariant(const wxList& val, const wxString& name) // List of variants
{
    m_data = new wxVariantDataList(val);
    m_name = name;
}

wxVariant::wxVariant( void* val, const wxString& name)
{
    m_data = new wxVariantDataVoidPtr(val);
    m_name = name;
}

wxVariant::wxVariant( wxObject* val, const wxString& name)
{
    m_data = new wxVariantDataWxObjectPtr(val);
    m_name = name;
}

#if wxUSE_DATETIME
wxVariant::wxVariant(const wxDateTime& val, const wxString& name) // Date
{
    m_data = new wxVariantDataDateTime(val);
    m_name = name;
}
#endif // wxUSE_DATETIME

#if wxUSE_ODBC
wxVariant::wxVariant(const TIME_STRUCT* valptr, const wxString& name) // Date
{
    m_data = new wxVariantDataDateTime(valptr);
    m_name = name;
}

wxVariant::wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name) // Date
{
    m_data = new wxVariantDataDateTime(valptr);
    m_name = name;
}

wxVariant::wxVariant(const DATE_STRUCT* valptr, const wxString& name) // Date
{
    m_data = new wxVariantDataDateTime(valptr);
    m_name = name;
}
#endif // wxUSE_ODBC

wxVariant::wxVariant(const wxArrayString& val, const wxString& name) // Strings
{
    m_data = new wxVariantDataArrayString(val);
    m_name = name;
}

wxVariant::wxVariant(const wxVariant& variant)
    : wxObject()
{
    if (!variant.IsNull())
    {
        m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
        variant.m_data->Copy(*m_data);
    }
    else
        m_data = (wxVariantData*) NULL;
    m_name = variant.m_name;
}

wxVariant::wxVariant(wxVariantData* data, const wxString& name) // User-defined data
{
    m_data = data;
    m_name = name;
}

wxVariant::~wxVariant()
{
    delete m_data;
}


// Make NULL (i.e. delete the data)
void wxVariant::MakeNull()
{
    delete m_data;
    m_data = NULL;
}

// Generic operators
// Assignment
void wxVariant::operator= (const wxVariant& variant)
{
    if (variant.IsNull())
    {
        MakeNull();
        return;
    }

    if (IsNull() || (GetType() != variant.GetType()))
    {
        if (m_data)
            delete m_data;
        m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
    }

    variant.GetData()->Copy(* GetData());

    m_name = variant.m_name;
}

// Assignment using data, e.g.
// myVariant = new wxStringVariantData("hello")
void wxVariant::operator= (wxVariantData* variantData)
{
    MakeNull();
    m_data = variantData;
}

bool wxVariant::operator== (const wxVariant& variant) const
{
    if (IsNull() || variant.IsNull())
        return (IsNull() == variant.IsNull());

    return (GetData()->Eq(* variant.GetData()));
}

bool wxVariant::operator!= (const wxVariant& variant) const
{
    return (!(*this == variant));
}


// Specific operators
bool wxVariant::operator== (double value) const
{
    double thisValue;
    if (!Convert(&thisValue))
        return false;
    else
        return (value == thisValue);
}

bool wxVariant::operator!= (double value) const
{
    return (!((*this) == value));
}

void wxVariant::operator= (double value)
{
    if (GetType() == wxT("double"))
    {
        ((wxVariantDataReal*)GetData())->SetValue(value);
    }
    else
    {
        if (m_data)
            delete m_data;
        m_data = new wxVariantDataReal(value);
    }
}

bool wxVariant::operator== (long value) const
{
    long thisValue;
    if (!Convert(&thisValue))
        return false;
    else
        return (value == thisValue);
}

bool wxVariant::operator!= (long value) const
{
    return (!((*this) == value));
}

void wxVariant::operator= (long value)
{
    if (GetType() == wxT("long"))
    {
        ((wxVariantDataLong*)GetData())->SetValue(value);
    }
    else
    {
        if (m_data)
            delete m_data;
        m_data = new wxVariantDataLong(value);
    }
}

bool wxVariant::operator== (char value) const
{
    char thisValue;
    if (!Convert(&thisValue))
        return false;
    else
        return (value == thisValue);
}

bool wxVariant::operator!= (char value) const
{
    return (!((*this) == value));
}

void wxVariant::operator= (char value)
{
    if (GetType() == wxT("char"))
    {
        ((wxVariantDataChar*)GetData())->SetValue(value);
    }
    else
    {
        if (m_data)
            delete m_data;
        m_data = new wxVariantDataChar(value);
    }
}

#ifdef HAVE_BOOL
bool wxVariant::operator== (bool value) const
{
    bool thisValue;
    if (!Convert(&thisValue))
        return false;
    else
        return (value == thisValue);
}

bool wxVariant::operator!= (bool value) const
{
    return (!((*this) == value));
}

void wxVariant::operator= (bool value)
{
    if (GetType() == wxT("bool"))
    {
        ((wxVariantDataBool*)GetData())->SetValue(value);
    }
    else
    {
        if (m_data)
            delete m_data;
        m_data = new wxVariantDataBool(value);
    }
}
#endif // HAVE_BOOL

bool wxVariant::operator== (const wxString& value) const
{
    wxString thisValue;
    if (!Convert(&thisValue))
        return false;

    return value == thisValue;
}

bool wxVariant::operator!= (const wxString& value) const
{
    return (!((*this) == value));
}

void wxVariant::operator= (const wxString& value)
{
    if (GetType() == wxT("string"))
    {
        ((wxVariantDataString*)GetData())->SetValue(value);
    }
    else
    {
        if (m_data)
            delete m_data;
        m_data = new wxVariantDataString(value);
    }
}

void wxVariant::operator= (const wxChar* value)
{
    if (GetType() == wxT("string"))
    {
        ((wxVariantDataString*)GetData())->SetValue(wxString(value));
    }
    else
    {
        if (m_data)
            delete m_data;
        m_data = new wxVariantDataString(wxString(value));
    }
}

#if WXWIN_COMPATIBILITY_2_4

bool wxVariant::operator== (const wxStringList& value) const
{
    wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );

    wxVariantDataStringList other(value);
    return (m_data->Eq(other));
}

bool wxVariant::operator!= (const wxStringList& value) const
{
    wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );

    wxVariantDataStringList other(value);
    return !(m_data->Eq(other));
}

void wxVariant::operator= (const wxStringList& value)
{
    if (GetType() == wxT("stringlist"))
    {
        ((wxVariantDataStringList*)GetData())->SetValue(value);
    }
    else
    {
        if (m_data)
            delete m_data;
        m_data = new wxVariantDataStringList(value);
    }
}

#endif

bool wxVariant::operator== (const wxList& value) const
{