X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/457e6c54a28bc20cf347ba921755d7d5b296aa2a..5687a67ce1e365d010c6282aa57b4f99f7f5ea29:/include/wx/variant.h diff --git a/include/wx/variant.h b/include/wx/variant.h index f8c08df655..3d3ad32484 100644 --- a/include/wx/variant.h +++ b/include/wx/variant.h @@ -12,21 +12,25 @@ #ifndef _WX_VARIANT_H_ #define _WX_VARIANT_H_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "variant.h" #endif #include "wx/defs.h" #include "wx/object.h" #include "wx/string.h" +#include "wx/arrstr.h" #include "wx/list.h" -#if wxUSE_TIMEDATE - #include "wx/time.h" - #include "wx/date.h" -#endif // time/date +#if wxUSE_DATETIME + #include "wx/datetime.h" +#endif // wxUSE_DATETIME -#include "wx/ioswrap.h" +#if wxUSE_ODBC + #include "wx/db.h" // will #include sqltypes.h +#endif //ODBC + +#include "wx/iosfwrap.h" /* * wxVariantData stores the actual data in a wxVariant object, @@ -42,28 +46,30 @@ * overloading wxVariant with unnecessary functionality. */ -class WXDLLEXPORT wxVariantData: public wxObject +class WXDLLIMPEXP_BASE wxVariantData: public wxObject { DECLARE_ABSTRACT_CLASS(wxVariantData) public: // Construction & destruction - wxVariantData() {}; + wxVariantData() {} // Override these to provide common functionality // Copy to data virtual void Copy(wxVariantData& data) = 0; virtual bool Eq(wxVariantData& data) const = 0; #if wxUSE_STD_IOSTREAM - virtual bool Write(ostream& str) const = 0; + virtual bool Write(wxSTD ostream& str) const = 0; #endif virtual bool Write(wxString& str) const = 0; #if wxUSE_STD_IOSTREAM - virtual bool Read(istream& str) = 0; + virtual bool Read(wxSTD istream& str) = 0; #endif virtual bool Read(wxString& str) = 0; // What type is it? Return a string name. virtual wxString GetType() const = 0; + // If it based on wxObject return the ClassInfo. + virtual wxClassInfo* GetValueClassInfo() { return NULL; } }; /* @@ -74,7 +80,7 @@ public: * this class too much. */ -class WXDLLEXPORT wxVariant: public wxObject +class WXDLLIMPEXP_BASE wxVariant: public wxObject { DECLARE_DYNAMIC_CLASS(wxVariant) public: @@ -91,13 +97,19 @@ public: wxVariant(const wxChar* val, const wxString& name = wxEmptyString); // Necessary or VC++ assumes bool! wxVariant(const wxStringList& val, const wxString& name = wxEmptyString); wxVariant(const wxList& val, const wxString& name = wxEmptyString); // List of variants -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - wxVariant(const wxTime& val, const wxString& name = wxEmptyString); // Time - wxVariant(const wxDate& val, const wxString& name = wxEmptyString); // Date -#endif wxVariant(void* ptr, const wxString& name = wxEmptyString); // void* (general purpose) + wxVariant(wxObject* ptr, const wxString& name = wxEmptyString); //wxObject wxVariant(wxVariantData* data, const wxString& name = wxEmptyString); // User-defined data +#if wxUSE_DATETIME + wxVariant(const wxDateTime& val, const wxString& name = wxEmptyString); // Date +#endif // wxUSE_DATETIME + wxVariant(const wxArrayString& val, const wxString& name = wxEmptyString); // String array +#if wxUSE_ODBC + wxVariant(const DATE_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime + wxVariant(const TIME_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime + wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime +#endif + wxVariant(const wxVariant& variant); ~wxVariant(); @@ -105,6 +117,21 @@ public: // Assignment void operator= (const wxVariant& variant); +#if wxUSE_DATETIME + bool operator== (const wxDateTime& value) const; + bool operator!= (const wxDateTime& value) const; + void operator= (const wxDateTime& value) ; +#endif // wxUSE_DATETIME + + bool operator== (const wxArrayString& value) const; + bool operator!= (const wxArrayString& value) const; + void operator= (const wxArrayString& value) ; +#if wxUSE_ODBC + void operator= (const DATE_STRUCT* value) ; + void operator= (const TIME_STRUCT* value) ; + void operator= (const TIMESTAMP_STRUCT* value) ; +#endif + // Assignment using data, e.g. // myVariant = new wxStringVariantData("hello"); void operator= (wxVariantData* variantData); @@ -136,15 +163,6 @@ public: bool operator== (const wxList& value) const; bool operator!= (const wxList& value) const; void operator= (const wxList& value) ; -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - bool operator== (const wxTime& value) const; - bool operator!= (const wxTime& value) const; - void operator= (const wxTime& value) ; - bool operator== (const wxDate& value) const; - bool operator!= (const wxDate& value) const; - void operator= (const wxDate& value) ; -#endif bool operator== (void* value) const; bool operator!= (void* value) const; void operator= (void* value) ; @@ -162,12 +180,13 @@ public: inline operator char () const { return GetChar(); } inline operator long () const { return GetLong(); } inline operator bool () const { return GetBool(); } -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - inline operator wxTime () const { return GetTime(); } - inline operator wxDate () const { return GetDate(); } -#endif inline operator void* () const { return GetVoidPtr(); } + // No implicit conversion to wxObject, as that would really + // confuse people between conversion to our contained data + // and downcasting to see our base type. +#if wxUSE_DATETIME + inline operator wxDateTime () const { return GetDateTime(); } +#endif // wxUSE_DATETIME // Accessors // Sets/gets name @@ -185,6 +204,7 @@ public: wxString GetType() const; bool IsType(const wxString& type) const; + bool IsValueKindOf(const wxClassInfo* type) const; // Return the number of elements in a list int GetCount() const; @@ -200,12 +220,12 @@ public: wxList& GetList() const ; wxStringList& GetStringList() const ; -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - wxTime GetTime() const ; - wxDate GetDate() const ; -#endif void* GetVoidPtr() const ; + wxObject* GetWxObjectPtr() ; +#if wxUSE_DATETIME + wxDateTime GetDateTime() const ; +#endif // wxUSE_DATETIME + wxArrayString GetArrayString() const; // Operations // Make NULL (i.e. delete the data) @@ -220,7 +240,7 @@ public: // Insert at front of list void Insert(const wxVariant& value); - // Returns TRUE if the variant is a member of the list + // Returns true if the variant is a member of the list bool Member(const wxVariant& value) const; // Deletes the nth element of the list @@ -230,18 +250,16 @@ public: void ClearList(); // Implementation -protected: +public: // Type conversion bool Convert(long* value) const; bool Convert(bool* value) const; bool Convert(double* value) const; bool Convert(wxString* value) const; bool Convert(char* value) const; -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - bool Convert(wxTime* value) const; - bool Convert(wxDate* value) const; -#endif +#if wxUSE_DATETIME + bool Convert(wxDateTime* value) const; +#endif // wxUSE_DATETIME // Attributes protected: @@ -249,7 +267,15 @@ protected: wxString m_name; }; -extern wxVariant WXDLLEXPORT wxNullVariant; +//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) ?\ + var.GetWxObjectPtr() : NULL)); + +extern wxVariant WXDLLIMPEXP_BASE wxNullVariant; #endif // _WX_VARIANT_H_