#include "wx/string.h"
#include "wx/arrstr.h"
#include "wx/list.h"
+#include "wx/cpp.h"
#if wxUSE_DATETIME
#include "wx/datetime.h"
// Override these to provide common functionality
virtual bool Eq(wxVariantData& data) const = 0;
-
+
#if wxUSE_STD_IOSTREAM
- virtual bool Write(wxSTD ostream& str) const { return false; }
+ virtual bool Write(wxSTD ostream& WXUNUSED(str)) const { return false; }
#endif
- virtual bool Write(wxString& str) const { return false; }
+ virtual bool Write(wxString& WXUNUSED(str)) const { return false; }
#if wxUSE_STD_IOSTREAM
- virtual bool Read(wxSTD istream& str) { return false; }
+ virtual bool Read(wxSTD istream& WXUNUSED(str)) { return false; }
#endif
- virtual bool Read(wxString& str) { return false; }
+ virtual bool Read(wxString& WXUNUSED(str)) { return false; }
// What type is it? Return a string name.
virtual wxString GetType() const = 0;
// If it based on wxObject return the ClassInfo.
private:
int m_count;
-
+
private:
DECLARE_ABSTRACT_CLASS(wxVariantData)
};
{
public:
wxVariant();
-
+
wxVariant(const wxVariant& variant);
wxVariant(wxVariantData* data, const wxString& name = wxEmptyString);
virtual ~wxVariant();
// Assignment using data, e.g.
// myVariant = new wxStringVariantData("hello");
void operator= (wxVariantData* variantData);
-
+
bool operator== (const wxVariant& variant) const;
bool operator!= (const wxVariant& variant) const;
inline const wxString& GetName() const { return m_name; }
// Tests whether there is data
- bool IsNull() const;
+ bool IsNull() const;
// For compatibility with wxWidgets <= 2.6, this doesn't increase
// reference count.
// Make NULL (i.e. delete the data)
void MakeNull();
-
+
// Delete data and name
void Clear();
-
+
// Returns a string representing the type of the variant,
// e.g. "string", "bool", "stringlist", "list", "double", "long"
wxString GetType() const;
bool IsType(const wxString& type) const;
bool IsValueKindOf(const wxClassInfo* type) const;
- // write contents to a string (e.g. for debugging)
+ // write contents to a string (e.g. for debugging)
wxString MakeString() const;
-
+
// double
wxVariant(double val, const wxString& name = wxEmptyString);
bool operator== (double value) const;
inline operator double () const { return GetDouble(); }
inline double GetReal() const { return GetDouble(); }
double GetDouble() const;
-
+
// long
wxVariant(long val, const wxString& name = wxEmptyString);
wxVariant(int val, const wxString& name = wxEmptyString);
inline operator long () const { return GetLong(); }
inline long GetInteger() const { return GetLong(); }
long GetLong() const;
-
- // bool
+
+ // bool
#ifdef HAVE_BOOL
wxVariant(bool val, const wxString& name = wxEmptyString);
bool operator== (bool value) const;
// wxDateTime
#if wxUSE_DATETIME
- wxVariant(const wxDateTime& val, const wxString& name = wxEmptyString);
+ wxVariant(const wxDateTime& val, const wxString& name = wxEmptyString);
#if wxUSE_ODBC
wxVariant(const DATE_STRUCT* valptr, const wxString& name = wxEmptyString);
wxVariant(const TIME_STRUCT* valptr, const wxString& name = wxEmptyString);
void operator= (wxChar value) ;
inline operator wxChar () const { return GetChar(); }
wxChar GetChar() const ;
-
+
// wxArrayString
wxVariant(const wxArrayString& val, const wxString& name = wxEmptyString);
bool operator== (const wxArrayString& value) const;
// Return the number of elements in a list
size_t GetCount() const;
-
+
// Make empty list
void NullList();
protected:
wxVariantData* m_data;
wxString m_name;
-
+
private:
DECLARE_DYNAMIC_CLASS(wxVariant)
};
-/* Fake macro parameter value */
-#ifdef EMPTY_PARAMETER_VALUE
- #undef EMPTY_PARAMETER_VALUE
-#endif
-#define EMPTY_PARAMETER_VALUE
-
#define DECLARE_VARIANT_OBJECT(classname) \
- DECLARE_VARIANT_OBJECT_EXPORTED(classname,EMPTY_PARAMETER_VALUE)
-
+ DECLARE_VARIANT_OBJECT_EXPORTED(classname, wxEMPTY_PARAMETER_VALUE)
+
#define DECLARE_VARIANT_OBJECT_EXPORTED(classname,expdecl) \
-classname& expdecl operator << ( classname &object, const wxVariant &variant ); \
-wxVariant& expdecl operator << ( wxVariant &variant, const classname &object );
+expdecl classname& operator << ( classname &object, const wxVariant &variant ); \
+expdecl wxVariant& operator << ( wxVariant &variant, const classname &object );
#define IMPLEMENT_VARIANT_OBJECT(classname) \
- IMPLEMENT_VARIANT_OBJECT_EXPORTED(classname,EMPTY_PARAMETER_VALUE)
+ IMPLEMENT_VARIANT_OBJECT_EXPORTED(classname, wxEMPTY_PARAMETER_VALUE)
-#define IMPLEMENT_VARIANT_OBJECT_EXPORTED(classname,expdecl) \
+#define IMPLEMENT_VARIANT_OBJECT_EXPORTED_NO_EQ(classname,expdecl) \
class classname##VariantData: public wxVariantData \
{ \
public:\
\
IMPLEMENT_CLASS(classname##VariantData, wxVariantData)\
\
-bool classname##VariantData::Eq(wxVariantData& data) const \
-{\
- wxASSERT( wxIsKindOf((&data), classname##VariantData) );\
-\
- classname##VariantData & otherData = (classname##VariantData &) data;\
-\
- return (otherData.m_value == m_value);\
-}\
-\
wxString classname##VariantData::GetType() const\
{\
return m_value.GetClassInfo()->GetClassName();\
return m_value.GetClassInfo();\
}\
\
-classname& expdecl operator << ( classname &value, const wxVariant &variant )\
+expdecl classname& operator << ( classname &value, const wxVariant &variant )\
{\
wxASSERT( wxIsKindOf( variant.GetData(), classname##VariantData ) );\
\
return value;\
}\
\
-wxVariant& expdecl operator << ( wxVariant &variant, const classname &value )\
+expdecl wxVariant& operator << ( wxVariant &variant, const classname &value )\
{\
classname##VariantData *data = new classname##VariantData( value );\
variant.SetData( data );\
return variant;\
}
+// implements a wxVariantData-derived class using for the Eq() method the
+// operator== which must have been provided by "classname"
+#define IMPLEMENT_VARIANT_OBJECT_EXPORTED(classname,expdecl) \
+IMPLEMENT_VARIANT_OBJECT_EXPORTED_NO_EQ(classname,wxEMPTY_PARAMETER_VALUE expdecl) \
+\
+bool classname##VariantData::Eq(wxVariantData& data) const \
+{\
+ wxASSERT( wxIsKindOf((&data), classname##VariantData) );\
+\
+ classname##VariantData & otherData = (classname##VariantData &) data;\
+\
+ return otherData.m_value == m_value;\
+}\
+
+
+// implements a wxVariantData-derived class using for the Eq() method a shallow
+// comparison (through wxObject::IsSameAs function)
+#define IMPLEMENT_VARIANT_OBJECT_SHALLOWCMP(classname) \
+ IMPLEMENT_VARIANT_OBJECT_EXPORTED_SHALLOWCMP(classname, wxEMPTY_PARAMETER_VALUE)
+#define IMPLEMENT_VARIANT_OBJECT_EXPORTED_SHALLOWCMP(classname,expdecl) \
+IMPLEMENT_VARIANT_OBJECT_EXPORTED_NO_EQ(classname,wxEMPTY_PARAMETER_VALUE expdecl) \
+\
+bool classname##VariantData::Eq(wxVariantData& data) const \
+{\
+ wxASSERT( wxIsKindOf((&data), classname##VariantData) );\
+\
+ classname##VariantData & otherData = (classname##VariantData &) data;\
+\
+ return (otherData.m_value.IsSameAs(m_value));\
+}\
+
+
// Since we want type safety wxVariant we need to fetch and dynamic_cast
// in a seemingly safe way so the compiler can check, so we define
// a dynamic_cast /wxDynamicCast analogue.