#include "wx/iosfwrap.h"
+class wxAny;
+
/*
* wxVariantData stores the actual data in a wxVariant object,
* to allow it to store any type of data.
// a copy of the data.
virtual wxVariantData* Clone() const { return NULL; }
+#if wxUSE_ANY
+ // Converts value to wxAny, if possible. Return true if successful.
+ virtual bool GetAsAny(wxAny* WXUNUSED(any)) const { return false; }
+#endif
+
protected:
// Protected dtor should make some incompatible code
// break more louder. That is, they should do data->DecRef()
wxVariant(const wxVariant& variant);
wxVariant(wxVariantData* data, const wxString& name = wxEmptyString);
+#if wxUSE_ANY
+ wxVariant(const wxAny& any);
+#endif
virtual ~wxVariant();
// generic assignment
// write contents to a string (e.g. for debugging)
wxString MakeString() const;
+#if wxUSE_ANY
+ wxAny GetAny() const;
+#endif
+
// double
wxVariant(double val, const wxString& name = wxEmptyString);
bool operator== (double value) const;
inline operator wxString () const { return MakeString(); }
wxString GetString() const;
+#if wxUSE_STD_STRING
+ wxVariant(const std::string& val, const wxString& name = wxEmptyString);
+ bool operator==(const std::string& value) const
+ { return operator==(wxString(value)); }
+ bool operator!=(const std::string& value) const
+ { return operator!=(wxString(value)); }
+ wxVariant& operator=(const std::string& value)
+ { return operator=(wxString(value)); }
+ operator std::string() const { return (operator wxString()).ToStdString(); }
+
+ wxVariant(const wxStdWideString& val, const wxString& name = wxEmptyString);
+ bool operator==(const wxStdWideString& value) const
+ { return operator==(wxString(value)); }
+ bool operator!=(const wxStdWideString& value) const
+ { return operator!=(wxString(value)); }
+ wxVariant& operator=(const wxStdWideString& value)
+ { return operator=(wxString(value)); }
+ operator wxStdWideString() const { return (operator wxString()).ToStdWstring(); }
+#endif // wxUSE_STD_STRING
+
// wxUniChar
wxVariant(const wxUniChar& val, const wxString& name = wxEmptyString);
wxVariant(const wxUniCharRef& val, const wxString& name = wxEmptyString);
#if wxUSE_LONGLONG
bool Convert(wxLongLong* value) const;
bool Convert(wxULongLong* value) const;
+ #ifdef wxLongLong_t
+ bool Convert(wxLongLong_t* value) const
+ {
+ wxLongLong temp;
+ if ( !Convert(&temp) )
+ return false;
+ *value = temp.GetValue();
+ return true;
+ }
+ bool Convert(wxULongLong_t* value) const
+ {
+ wxULongLong temp;
+ if ( !Convert(&temp) )
+ return false;
+ *value = temp.GetValue();
+ return true;
+ }
+ #endif // wxLongLong_t
#endif // wxUSE_LONGLONG
// Attributes
DECLARE_DYNAMIC_CLASS(wxVariant)
};
+
+//
+// wxVariant <-> wxAny conversion code
+//
+#if wxUSE_ANY
+
+#include "wx/any.h"
+
+// In order to convert wxAny to wxVariant, we need to be able to associate
+// wxAnyValueType with a wxVariantData factory function.
+typedef wxVariantData* (*wxVariantDataFactory)(const wxAny& any);
+
+// Actual Any-to-Variant registration must be postponed to a time when all
+// global variables have been initialized. Hence this arrangement.
+// wxAnyToVariantRegistration instances are kept in global scope and
+// wxAnyValueTypeGlobals in any.cpp will use their data when the time is
+// right.
+class WXDLLIMPEXP_BASE wxAnyToVariantRegistration
+{
+public:
+ wxAnyToVariantRegistration(wxVariantDataFactory factory);
+ virtual ~wxAnyToVariantRegistration();
+
+ virtual wxAnyValueType* GetAssociatedType() = 0;
+ wxVariantDataFactory GetFactory() const { return m_factory; }
+private:
+ wxVariantDataFactory m_factory;
+};
+
+template<typename T>
+class wxAnyToVariantRegistrationImpl : public wxAnyToVariantRegistration
+{
+public:
+ wxAnyToVariantRegistrationImpl(wxVariantDataFactory factory)
+ : wxAnyToVariantRegistration(factory)
+ {
+ }
+
+ virtual wxAnyValueType* GetAssociatedType()
+ {
+ return wxAnyValueTypeImpl<T>::GetInstance();
+ }
+private:
+};
+
+#define DECLARE_WXANY_CONVERSION() \
+virtual bool GetAsAny(wxAny* any) const; \
+static wxVariantData* VariantDataFactory(const wxAny& any);
+
+#define _REGISTER_WXANY_CONVERSION(T, CLASSNAME, FUNC) \
+static wxAnyToVariantRegistrationImpl<T> \
+ gs_##CLASSNAME##AnyToVariantRegistration = \
+ wxAnyToVariantRegistrationImpl<T>(&FUNC);
+
+#define REGISTER_WXANY_CONVERSION(T, CLASSNAME) \
+_REGISTER_WXANY_CONVERSION(T, CLASSNAME, CLASSNAME::VariantDataFactory)
+
+#define IMPLEMENT_TRIVIAL_WXANY_CONVERSION(T, CLASSNAME) \
+bool CLASSNAME::GetAsAny(wxAny* any) const \
+{ \
+ *any = m_value; \
+ return true; \
+} \
+wxVariantData* CLASSNAME::VariantDataFactory(const wxAny& any) \
+{ \
+ return new CLASSNAME(wxANY_AS(any, T)); \
+} \
+REGISTER_WXANY_CONVERSION(T, CLASSNAME)
+
+#else // if !wxUSE_ANY
+
+#define DECLARE_WXANY_CONVERSION()
+#define REGISTER_WXANY_CONVERSION(T, CLASSNAME)
+#define IMPLEMENT_TRIVIAL_WXANY_CONVERSION(T, CLASSNAME)
+
+#endif // wxUSE_ANY/!wxUSE_ANY
+
+
#define DECLARE_VARIANT_OBJECT(classname) \
DECLARE_VARIANT_OBJECT_EXPORTED(classname, wxEMPTY_PARAMETER_VALUE)
\
virtual wxVariantData* Clone() const { return new classname##VariantData(m_value); } \
\
+ DECLARE_WXANY_CONVERSION() \
protected:\
classname m_value; \
};\
classname##VariantData *data = new classname##VariantData( value );\
variant.SetData( data );\
return variant;\
-}
+} \
+IMPLEMENT_TRIVIAL_WXANY_CONVERSION(classname, classname##VariantData)
// implements a wxVariantData-derived class using for the Eq() method the
// operator== which must have been provided by "classname"
var.GetWxObjectPtr() : NULL));
// Replacement for using wxDynamicCast on a wxVariantData object
-#define wxDynamicCastVariantData(data, classname) dynamic_cast<classname*>(data)
+#ifndef wxNO_RTTI
+ #define wxDynamicCastVariantData(data, classname) dynamic_cast<classname*>(data)
+#endif
+
+#define wxStaticCastVariantData(data, classname) static_cast<classname*>(data)
extern wxVariant WXDLLIMPEXP_BASE wxNullVariant;