added test for writing empty value to the config

[wxWidgets.git] / include / wx / variant.h

diff --git a/include/wx/variant.h b/include/wx/variant.h
index 157259cc5fb82c0116c255ded6e3aabb5691dd55..34eb32c4003992bfa3043ea26ba624faf001e377 100644 (file)
--- a/include/wx/variant.h
+++ b/include/wx/variant.h
@@ -6,7 +6,7 @@
 // Created:     10/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c)
 // Created:     10/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c)

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_VARIANT_H_
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_VARIANT_H_


@@ -22,18 +22,17 @@
 #include "wx/list.h"
 
 #if wxUSE_TIMEDATE
 #include "wx/list.h"
 
 #if wxUSE_TIMEDATE

-#include "wx/time.h"
-#include "wx/date.h"
-#endif
+    #include "wx/time.h"
+    #include "wx/date.h"
+#endif // time/date

 
 

-#if wxUSE_IOSTREAMH
-#include <iostream.h>
-#else
-#include <iostream>
-#  ifdef _MSC_VER
-      using namespace std;
-#  endif
-#endif
+#include "wx/datetime.h"
+
+#if wxUSE_ODBC
+    #include "wx/db.h"  // will #include sqltypes.h
+#endif //ODBC
+
+#include "wx/ioswrap.h"

 
 /*
  * wxVariantData stores the actual data in a wxVariant object,
 
 /*
  * wxVariantData stores the actual data in a wxVariant object,


@@ -61,9 +60,13 @@ public:
     // Copy to data
     virtual void Copy(wxVariantData& data) = 0;
     virtual bool Eq(wxVariantData& data) const = 0;
     // Copy to data
     virtual void Copy(wxVariantData& data) = 0;
     virtual bool Eq(wxVariantData& data) const = 0;

-    virtual bool Write(ostream& str) const = 0;
+#if wxUSE_STD_IOSTREAM
+    virtual bool Write(wxSTD ostream& str) const = 0;
+#endif

     virtual bool Write(wxString& str) const = 0;
     virtual bool Write(wxString& str) const = 0;

-    virtual bool Read(istream& str) = 0;
+#if wxUSE_STD_IOSTREAM
+    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;
     virtual bool Read(wxString& str) = 0;
     // What type is it? Return a string name.
     virtual wxString GetType() const = 0;


@@ -86,18 +89,30 @@ public:
     wxVariant();
     wxVariant(double val, const wxString& name = wxEmptyString);
     wxVariant(long val, const wxString& name = wxEmptyString);
     wxVariant();
     wxVariant(double val, const wxString& name = wxEmptyString);
     wxVariant(long val, const wxString& name = wxEmptyString);

+#ifdef HAVE_BOOL

     wxVariant(bool val, const wxString& name = wxEmptyString);
     wxVariant(bool val, const wxString& name = wxEmptyString);

+#endif

     wxVariant(char val, const wxString& name = wxEmptyString);
     wxVariant(const wxString& val, const wxString& name = wxEmptyString);
     wxVariant(char val, const wxString& name = wxEmptyString);
     wxVariant(const wxString& val, const wxString& name = wxEmptyString);

-    wxVariant(const char* val, const wxString& name = wxEmptyString); // Necessary or VC++ assumes bool!
+    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
     wxVariant(const wxStringList& val, const wxString& name = wxEmptyString);
     wxVariant(const wxList& val, const wxString& name = wxEmptyString); // List of variants

-#if wxUSE_TIMEDATE
+// 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(wxVariantData* data, const wxString& name = wxEmptyString); // User-defined data
     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(wxVariantData* data, const wxString& name = wxEmptyString); // User-defined data

+//TODO: Need to document
+    wxVariant(const wxDateTime& val, const wxString& name = wxEmptyString); // Date
+#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
+//TODO: End of Need to document
+    

     wxVariant(const wxVariant& variant);
     ~wxVariant();
 
     wxVariant(const wxVariant& variant);
     ~wxVariant();
 


@@ -105,6 +120,17 @@ public:
     // Assignment
     void operator= (const wxVariant& variant);
 
     // Assignment
     void operator= (const wxVariant& variant);
 

+//TODO: Need to document
+    bool operator== (const wxDateTime& value) const;
+    bool operator!= (const wxDateTime& value) const;
+    void operator= (const wxDateTime& value) ;
+#if wxUSE_ODBC
+    void operator= (const DATE_STRUCT* value) ;
+    void operator= (const TIME_STRUCT* value) ;
+    void operator= (const TIMESTAMP_STRUCT* value) ;
+#endif
+//TODO: End of Need to document
+

     // Assignment using data, e.g.
     // myVariant = new wxStringVariantData("hello");
     void operator= (wxVariantData* variantData);
     // Assignment using data, e.g.
     // myVariant = new wxStringVariantData("hello");
     void operator= (wxVariantData* variantData);


@@ -121,20 +147,23 @@ public:
     bool operator== (char value) const;
     bool operator!= (char value) const;
     void operator= (char value) ;
     bool operator== (char value) const;
     bool operator!= (char value) const;
     void operator= (char value) ;

+#ifdef HAVE_BOOL

     bool operator== (bool value) const;
     bool operator!= (bool value) const;
     void operator= (bool value) ;
     bool operator== (bool value) const;
     bool operator!= (bool value) const;
     void operator= (bool value) ;

+#endif

     bool operator== (const wxString& value) const;
     bool operator!= (const wxString& value) const;
     void operator= (const wxString& value) ;
     bool operator== (const wxString& value) const;
     bool operator!= (const wxString& value) const;
     void operator= (const wxString& value) ;

-    void operator= (const char* value) ; // Necessary or VC++ assumes bool!
+    void operator= (const wxChar* value) ; // Necessary or VC++ assumes bool!

     bool operator== (const wxStringList& value) const;
     bool operator!= (const wxStringList& value) const;
     void operator= (const wxStringList& value) ;
     bool operator== (const wxList& value) const;
     bool operator!= (const wxList& value) const;
     void operator= (const wxList& value) ;
     bool operator== (const wxStringList& value) const;
     bool operator!= (const wxStringList& value) const;
     void operator= (const wxStringList& value) ;
     bool operator== (const wxList& value) const;
     bool operator!= (const wxList& value) const;
     void operator= (const wxList& value) ;

-#if wxUSE_TIMEDATE
+// 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 wxTime& value) const;
     bool operator!= (const wxTime& value) const;
     void operator= (const wxTime& value) ;


@@ -159,11 +188,15 @@ public:
     inline operator char () const {  return GetChar(); }
     inline operator long () const {  return GetLong(); }
     inline operator bool () const {  return GetBool(); }
     inline operator char () const {  return GetChar(); }
     inline operator long () const {  return GetLong(); }
     inline operator bool () const {  return GetBool(); }

-#if wxUSE_TIMEDATE
+// 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(); }
     inline operator wxTime () const {  return GetTime(); }
     inline operator wxDate () const {  return GetDate(); }
 #endif
     inline operator void* () const {  return GetVoidPtr(); }

+//TODO: Need to document
+    inline operator wxDateTime () const { return GetDateTime(); }
+//TODO: End of Need to document

 
 // Accessors
     // Sets/gets name
 
 // Accessors
     // Sets/gets name


@@ -195,11 +228,16 @@ public:
     wxString GetString() const ;
     wxList& GetList() const ;
     wxStringList& GetStringList() const ;
     wxString GetString() const ;
     wxList& GetList() const ;
     wxStringList& GetStringList() const ;

-#if wxUSE_TIMEDATE
+
+// 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 ;
     wxTime GetTime() const ;
     wxDate GetDate() const ;
 #endif
     void* GetVoidPtr() const ;

+//TODO: Need to document
+    wxDateTime GetDateTime() const ;
+//TODO: End of Need to document

 
 // Operations
     // Make NULL (i.e. delete the data)
 
 // Operations
     // Make NULL (i.e. delete the data)


@@ -231,10 +269,14 @@ protected:
     bool Convert(double* value) const;
     bool Convert(wxString* value) const;
     bool Convert(char* value) const;
     bool Convert(double* value) const;
     bool Convert(wxString* value) const;
     bool Convert(char* value) const;

-#if wxUSE_TIMEDATE
+// 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
     bool Convert(wxTime* value) const;
     bool Convert(wxDate* value) const;
 #endif

+//TODO: Need to document
+    bool Convert(wxDateTime* value) const;
+//TODO: End of Need to document

 
 // Attributes
 protected:
 
 // Attributes
 protected:


@@ -242,7 +284,7 @@ protected:
     wxString        m_name;
 };
 
     wxString        m_name;
 };
 

-extern wxVariant wxNullVariant;
+extern wxVariant WXDLLEXPORT wxNullVariant;

 
 #endif
     // _WX_VARIANT_H_
 
 #endif
     // _WX_VARIANT_H_