// 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);
inline operator wxString () const { return MakeString(); }
wxString GetString() const;
- // char (wxChar?)
- wxVariant(char val, const wxString& name = wxEmptyString);
- bool operator== (char value) const;
- bool operator!= (char value) const;
- void operator= (char value) ;
- inline operator char () const { return GetChar(); }
- char GetChar() const ;
-
+ // wxChar
+ wxVariant(wxChar val, const wxString& name = wxEmptyString);
+ bool operator== (wxChar value) const;
+ bool operator!= (wxChar value) const;
+ 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();
bool Convert(bool* value) const;
bool Convert(double* value) const;
bool Convert(wxString* value) const;
- bool Convert(char* value) const;
+ bool Convert(wxChar* value) const;
#if wxUSE_DATETIME
bool Convert(wxDateTime* value) const;
#endif // wxUSE_DATETIME
protected:
wxVariantData* m_data;
wxString m_name;
-
+
private:
DECLARE_DYNAMIC_CLASS(wxVariant)
};
-//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.
+/* 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)
+
+#define DECLARE_VARIANT_OBJECT_EXPORTED(classname,expdecl) \
+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)
+
+#define IMPLEMENT_VARIANT_OBJECT_EXPORTED_NO_EQ(classname,expdecl) \
+class classname##VariantData: public wxVariantData \
+{ \
+public:\
+ classname##VariantData() {} \
+ classname##VariantData( const classname &value ) { m_value = value; } \
+\
+ classname &GetValue() { return m_value; } \
+\
+ virtual bool Eq(wxVariantData& data) const; \
+\
+ virtual wxString GetType() const; \
+ virtual wxClassInfo* GetValueClassInfo(); \
+\
+protected:\
+ classname m_value; \
+\
+private: \
+ DECLARE_CLASS(classname##VariantData) \
+};\
+\
+IMPLEMENT_CLASS(classname##VariantData, wxVariantData)\
+\
+wxString classname##VariantData::GetType() const\
+{\
+ return m_value.GetClassInfo()->GetClassName();\
+}\
+\
+wxClassInfo* classname##VariantData::GetValueClassInfo()\
+{\
+ return m_value.GetClassInfo();\
+}\
+\
+expdecl classname& operator << ( classname &value, const wxVariant &variant )\
+{\
+ wxASSERT( wxIsKindOf( variant.GetData(), classname##VariantData ) );\
+ \
+ classname##VariantData *data = (classname##VariantData*) variant.GetData();\
+ value = data->GetValue();\
+ return 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,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_EXPORTED_SHALLOWCMP(classname,expdecl) \
+IMPLEMENT_VARIANT_OBJECT_EXPORTED_NO_EQ(classname,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.
#define wxGetVariantCast(var,classname) \
((classname*)(var.IsValueKindOf(&classname::ms_classInfo) ?\
projects / wxWidgets.git / blobdiff