wxWidgets/src/common/variant.cpp
2003-02-14 20:21:00 +00:00

2270 lines
51 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: variant.cpp
// Purpose: wxVariant class, container for any type
// Author: Julian Smart
// Modified by:
// Created: 10/09/98
// RCS-ID: $Id$
// Copyright: (c)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "variant.h"
#pragma implementation "time.h"
#pragma implementation "date.h"
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_STD_IOSTREAM
#if wxUSE_IOSTREAMH
#include <fstream.h>
#else
#include <fstream>
#endif
#endif
#if wxUSE_STREAMS
#include "wx/stream.h"
#include "wx/txtstrm.h"
#endif
#include "wx/string.h"
#include "wx/tokenzr.h"
#include "wx/variant.h"
#if wxUSE_TIMEDATE
IMPLEMENT_DYNAMIC_CLASS(wxDate, wxObject)
IMPLEMENT_DYNAMIC_CLASS(wxTime, wxObject)
wxTime::tFormat wxTime::ms_Format = wxTime::wx12h;
wxTime::tPrecision wxTime::ms_Precision = wxTime::wxStdMinSec;
wxChar wxTime::ms_bufTime[128];
#endif
IMPLEMENT_ABSTRACT_CLASS(wxVariantData, wxObject)
wxVariant WXDLLEXPORT wxNullVariant;
/*
* wxVariantDataList
*/
class WXDLLEXPORT wxVariantDataList: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataList)
public:
wxVariantDataList() {}
wxVariantDataList(const wxList& list);
~wxVariantDataList();
wxList& GetValue() const { return (wxList&) m_value; }
void SetValue(const wxList& value) ;
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
virtual bool Read(wxString& str);
virtual wxString GetType() const { return wxT("list"); };
void Clear();
protected:
wxList m_value;
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataList, wxVariantData)
wxVariantDataList::wxVariantDataList(const wxList& list)
{
SetValue(list);
}
wxVariantDataList::~wxVariantDataList()
{
Clear();
}
void wxVariantDataList::SetValue(const wxList& value)
{
Clear();
wxNode* node = value.GetFirst();
while (node)
{
wxVariant* var = (wxVariant*) node->GetData();
m_value.Append(new wxVariant(*var));
node = node->GetNext();
}
}
void wxVariantDataList::Clear()
{
wxNode* node = m_value.GetFirst();
while (node)
{
wxVariant* var = (wxVariant*) node->GetData();
delete var;
node = node->GetNext();
}
m_value.Clear();
}
void wxVariantDataList::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Copy: Can't copy to this type of data") );
wxVariantDataList& listData = (wxVariantDataList&) data;
listData.Clear();
wxNode* node = m_value.GetFirst();
while (node)
{
wxVariant* var = (wxVariant*) node->GetData();
listData.m_value.Append(new wxVariant(*var));
node = node->GetNext();
}
}
bool wxVariantDataList::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Eq: argument mismatch") );
wxVariantDataList& listData = (wxVariantDataList&) data;
wxNode* node1 = m_value.GetFirst();
wxNode* node2 = listData.GetValue().GetFirst();
while (node1 && node2)
{
wxVariant* var1 = (wxVariant*) node1->GetData();
wxVariant* var2 = (wxVariant*) node2->GetData();
if ((*var1) != (*var2))
return FALSE;
node1 = node1->GetNext();
node2 = node2->GetNext();
}
if (node1 || node2) return FALSE;
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataList::Write(wxSTD ostream& str) const
{
wxString s;
Write(s);
str << (const char*) s.mb_str();
return TRUE;
}
#endif
bool wxVariantDataList::Write(wxString& str) const
{
str = wxT("");
wxNode* node = m_value.GetFirst();
while (node)
{
wxVariant* var = (wxVariant*) node->GetData();
if (node != m_value.GetFirst())
str += wxT(" ");
wxString str1;
str += var->MakeString();
node = node->GetNext();
}
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataList::Read(wxSTD istream& WXUNUSED(str))
{
wxFAIL_MSG(wxT("Unimplemented"));
// TODO
return FALSE;
}
#endif
bool wxVariantDataList::Read(wxString& WXUNUSED(str))
{
wxFAIL_MSG(wxT("Unimplemented"));
// TODO
return FALSE;
}
/*
* wxVariantDataStringList
*/
class WXDLLEXPORT wxVariantDataStringList: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataStringList)
public:
wxVariantDataStringList() {}
wxVariantDataStringList(const wxStringList& list) { m_value = list; }
wxStringList& GetValue() const { return (wxStringList&) m_value; }
void SetValue(const wxStringList& value);
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
virtual bool Read(wxString& str);
virtual wxString GetType() const { return wxT("stringlist"); };
protected:
wxStringList m_value;
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataStringList, wxVariantData)
void wxVariantDataStringList::SetValue(const wxStringList& value)
{
m_value = value;
}
void wxVariantDataStringList::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Copy: Can't copy to this type of data") );
wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
listData.m_value = m_value ;
}
bool wxVariantDataStringList::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Eq: argument mismatch") );
wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
wxStringList::Node *node1 = m_value.GetFirst();
wxStringList::Node *node2 = listData.GetValue().GetFirst();
while (node1 && node2)
{
wxString str1 ( node1->GetData() );
wxString str2 ( node2->GetData() );
if (str1 != str2)
return FALSE;
node1 = node1->GetNext();
node2 = node2->GetNext();
}
if (node1 || node2) return FALSE;
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataStringList::Write(wxSTD ostream& str) const
{
wxString s;
Write(s);
str << (const char*) s.mb_str();
return TRUE;
}
#endif
bool wxVariantDataStringList::Write(wxString& str) const
{
str.Empty();
wxStringList::Node *node = m_value.GetFirst();
while (node)
{
wxChar* s = node->GetData();
if (node != m_value.GetFirst())
str += wxT(" ");
str += s;
node = node->GetNext();
}
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataStringList::Read(wxSTD istream& WXUNUSED(str))
{
wxFAIL_MSG(wxT("Unimplemented"));
// TODO
return FALSE;
}
#endif
bool wxVariantDataStringList::Read(wxString& WXUNUSED(str))
{
wxFAIL_MSG(wxT("Unimplemented"));
// TODO
return FALSE;
}
/*
* wxVariantDataLong
*/
class WXDLLEXPORT wxVariantDataLong: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataLong)
public:
wxVariantDataLong() { m_value = 0; }
wxVariantDataLong(long value) { m_value = value; }
inline long GetValue() const { return m_value; }
inline void SetValue(long value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
virtual bool Read(wxString& str);
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
virtual bool Write(wxSTD ostream& str) const;
#endif
#if wxUSE_STREAMS
virtual bool Read(wxInputStream& str);
virtual bool Write(wxOutputStream &str) const;
#endif // wxUSE_STREAMS
virtual wxString GetType() const { return wxT("long"); };
protected:
long m_value;
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataLong, wxVariantData)
void wxVariantDataLong::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("long")), wxT("wxVariantDataLong::Copy: Can't copy to this type of data") );
wxVariantDataLong& otherData = (wxVariantDataLong&) data;
otherData.m_value = m_value;
}
bool wxVariantDataLong::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("long")), wxT("wxVariantDataLong::Eq: argument mismatch") );
wxVariantDataLong& otherData = (wxVariantDataLong&) data;
return (otherData.m_value == m_value);
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataLong::Write(wxSTD ostream& str) const
{
wxString s;
Write(s);
str << (const char*) s.mb_str();
return TRUE;
}
#endif
bool wxVariantDataLong::Write(wxString& str) const
{
str.Printf(wxT("%ld"), m_value);
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataLong::Read(wxSTD istream& str)
{
str >> m_value;
return TRUE;
}
#endif
#if wxUSE_STREAMS
bool wxVariantDataLong::Write(wxOutputStream& str) const
{
wxTextOutputStream s(str);
s.Write32((size_t)m_value);
return TRUE;
}
bool wxVariantDataLong::Read(wxInputStream& str)
{
wxTextInputStream s(str);
m_value = s.Read32();
return TRUE;
}
#endif // wxUSE_STREAMS
bool wxVariantDataLong::Read(wxString& str)
{
m_value = wxAtol((const wxChar*) str);
return TRUE;
}
/*
* wxVariantDataReal
*/
class WXDLLEXPORT wxVariantDataReal: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataReal)
public:
wxVariantDataReal() { m_value = 0.0; }
wxVariantDataReal(double value) { m_value = value; }
inline double GetValue() const { return m_value; }
inline void SetValue(double value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
virtual bool Read(wxString& str);
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
#if wxUSE_STREAMS
virtual bool Read(wxInputStream& str);
virtual bool Write(wxOutputStream &str) const;
#endif // wxUSE_STREAMS
virtual wxString GetType() const { return wxT("double"); };
protected:
double m_value;
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataReal, wxVariantData)
void wxVariantDataReal::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("double")), wxT("wxVariantDataReal::Copy: Can't copy to this type of data") );
wxVariantDataReal& otherData = (wxVariantDataReal&) data;
otherData.m_value = m_value;
}
bool wxVariantDataReal::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("double")), wxT("wxVariantDataReal::Eq: argument mismatch") );
wxVariantDataReal& otherData = (wxVariantDataReal&) data;
return (otherData.m_value == m_value);
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataReal::Write(wxSTD ostream& str) const
{
wxString s;
Write(s);
str << (const char*) s.mb_str();
return TRUE;
}
#endif
bool wxVariantDataReal::Write(wxString& str) const
{
str.Printf(wxT("%.4f"), m_value);
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataReal::Read(wxSTD istream& str)
{
str >> m_value;
return TRUE;
}
#endif
#if wxUSE_STREAMS
bool wxVariantDataReal::Write(wxOutputStream& str) const
{
wxTextOutputStream s(str);
s.WriteDouble((double)m_value);
return TRUE;
}
bool wxVariantDataReal::Read(wxInputStream& str)
{
wxTextInputStream s(str);
m_value = (float)s.ReadDouble();
return TRUE;
}
#endif // wxUSE_STREAMS
bool wxVariantDataReal::Read(wxString& str)
{
m_value = wxAtof((const wxChar*) str);
return TRUE;
}
#ifdef HAVE_BOOL
/*
* wxVariantDataBool
*/
class WXDLLEXPORT wxVariantDataBool: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataBool)
public:
wxVariantDataBool() { m_value = 0; }
wxVariantDataBool(bool value) { m_value = value; }
inline bool GetValue() const { return m_value; }
inline void SetValue(bool value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Write(wxString& str) const;
virtual bool Read(wxString& str);
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
#if wxUSE_STREAMS
virtual bool Read(wxInputStream& str);
virtual bool Write(wxOutputStream& str) const;
#endif // wxUSE_STREAMS
virtual wxString GetType() const { return wxT("bool"); };
protected:
bool m_value;
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataBool, wxVariantData)
void wxVariantDataBool::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("bool")), wxT("wxVariantDataBool::Copy: Can't copy to this type of data") );
wxVariantDataBool& otherData = (wxVariantDataBool&) data;
otherData.m_value = m_value;
}
bool wxVariantDataBool::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("bool")), wxT("wxVariantDataBool::Eq: argument mismatch") );
wxVariantDataBool& otherData = (wxVariantDataBool&) data;
return (otherData.m_value == m_value);
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataBool::Write(wxSTD ostream& str) const
{
wxString s;
Write(s);
str << (const char*) s.mb_str();
return TRUE;
}
#endif
bool wxVariantDataBool::Write(wxString& str) const
{
str.Printf(wxT("%d"), (int) m_value);
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataBool::Read(wxSTD istream& WXUNUSED(str))
{
wxFAIL_MSG(wxT("Unimplemented"));
// str >> (long) m_value;
return FALSE;
}
#endif
#if wxUSE_STREAMS
bool wxVariantDataBool::Write(wxOutputStream& str) const
{
wxTextOutputStream s(str);
s.Write8(m_value);
return TRUE;
}
bool wxVariantDataBool::Read(wxInputStream& str)
{
wxTextInputStream s(str);
m_value = s.Read8() != 0;
return TRUE;
}
#endif // wxUSE_STREAMS
bool wxVariantDataBool::Read(wxString& str)
{
m_value = (wxAtol((const wxChar*) str) != 0);
return TRUE;
}
#endif // HAVE_BOOL
/*
* wxVariantDataChar
*/
class WXDLLEXPORT wxVariantDataChar: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataChar)
public:
wxVariantDataChar() { m_value = 0; }
wxVariantDataChar(char value) { m_value = value; }
inline char GetValue() const { return m_value; }
inline void SetValue(char value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Read(wxString& str);
virtual bool Write(wxString& str) const;
#if wxUSE_STREAMS
virtual bool Read(wxInputStream& str);
virtual bool Write(wxOutputStream& str) const;
#endif // wxUSE_STREAMS
virtual wxString GetType() const { return wxT("char"); };
protected:
char m_value;
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataChar, wxVariantData)
void wxVariantDataChar::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("char")), wxT("wxVariantDataChar::Copy: Can't copy to this type of data") );
wxVariantDataChar& otherData = (wxVariantDataChar&) data;
otherData.m_value = m_value;
}
bool wxVariantDataChar::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("char")), wxT("wxVariantDataChar::Eq: argument mismatch") );
wxVariantDataChar& otherData = (wxVariantDataChar&) data;
return (otherData.m_value == m_value);
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataChar::Write(wxSTD ostream& str) const
{
wxString s;
Write(s);
str << (const char*) s.mb_str();
return TRUE;
}
#endif
bool wxVariantDataChar::Write(wxString& str) const
{
str.Printf(wxT("%c"), m_value);
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataChar::Read(wxSTD istream& WXUNUSED(str))
{
wxFAIL_MSG(wxT("Unimplemented"));
// str >> m_value;
return FALSE;
}
#endif
#if wxUSE_STREAMS
bool wxVariantDataChar::Write(wxOutputStream& str) const
{
wxTextOutputStream s(str);
s.Write8(m_value);
return TRUE;
}
bool wxVariantDataChar::Read(wxInputStream& str)
{
wxTextInputStream s(str);
m_value = s.Read8();
return TRUE;
}
#endif // wxUSE_STREAMS
bool wxVariantDataChar::Read(wxString& str)
{
m_value = str[(size_t)0];
return TRUE;
}
/*
* wxVariantDataString
*/
#if defined(__BORLANDC__) && defined(__WIN16__)
// Change name because of truncation
#define wxVariantDataString wxVariantStringData
#endif
class WXDLLEXPORT wxVariantDataString: public wxVariantData
{
#if defined(__BORLANDC__) && defined(__WIN16__)
DECLARE_DYNAMIC_CLASS(wxVariantStringData)
#else
DECLARE_DYNAMIC_CLASS(wxVariantDataString)
#endif
public:
wxVariantDataString() { }
wxVariantDataString(const wxString& value) { m_value = value; }
inline wxString GetValue() const { return m_value; }
inline void SetValue(const wxString& value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Read(wxString& str);
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
#if wxUSE_STREAMS
virtual bool Read(wxInputStream& str);
virtual bool Write(wxOutputStream& str) const;
#endif // wxUSE_STREAMS
virtual wxString GetType() const { return wxT("string"); };
protected:
wxString m_value;
};
void wxVariantDataString::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Copy: Can't copy to this type of data") );
wxVariantDataString& otherData = (wxVariantDataString&) data;
otherData.m_value = m_value;
}
bool wxVariantDataString::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Eq: argument mismatch") );
wxVariantDataString& otherData = (wxVariantDataString&) data;
return (otherData.m_value == m_value);
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataString::Write(wxSTD ostream& str) const
{
str << (const char*) m_value.mb_str();
return TRUE;
}
#endif
bool wxVariantDataString::Write(wxString& str) const
{
str = m_value;
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataString::Read(wxSTD istream& str)
{
str >> m_value;
return TRUE;
}
#endif
#if wxUSE_STREAMS
bool wxVariantDataString::Write(wxOutputStream& str) const
{
// why doesn't wxOutputStream::operator<< take "const wxString&"
wxTextOutputStream s(str);
s.WriteString(m_value);
return TRUE;
}
bool wxVariantDataString::Read(wxInputStream& str)
{
wxTextInputStream s(str);
m_value = s.ReadString();
return TRUE;
}
#endif // wxUSE_STREAMS
bool wxVariantDataString::Read(wxString& str)
{
m_value = str;
return TRUE;
}
#if defined(__BORLANDC__) && defined(__WIN16__)
IMPLEMENT_DYNAMIC_CLASS(wxVariantStringData, wxVariantData)
#else
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataString, wxVariantData)
#endif
/*
* wxVariantDataTime
*/
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
class wxVariantDataTime: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataTime)
public:
wxVariantDataTime() { }
wxVariantDataTime(const wxTime& value) { m_value = value; }
inline wxTime GetValue() const { return m_value; }
inline void SetValue(const wxTime& value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
virtual bool Read(wxString& str);
virtual wxString GetType() const { return wxT("time"); };
virtual wxVariantData* Clone() { return new wxVariantDataTime; }
protected:
wxTime m_value;
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataTime, wxVariantData)
void wxVariantDataTime::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("time")), wxT("wxVariantDataTime::Copy: Can't copy to this type of data") );
wxVariantDataTime& otherData = (wxVariantDataTime&) data;
otherData.m_value = m_value;
}
bool wxVariantDataTime::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("time")), wxT("wxVariantDataTime::Eq: argument mismatch") );
wxVariantDataTime& otherData = (wxVariantDataTime&) data;
return (otherData.m_value == m_value);
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataTime::Write(wxSTD ostream& str) const
{
wxString s;
Write(s);
str << (const char*) s.mb_str();
return TRUE;
}
#endif
bool wxVariantDataTime::Write(wxString& str) const
{
wxChar*s = m_value.FormatTime();
str = s;
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataTime::Read(wxSTD istream& WXUNUSED(str))
{
// Not implemented
return FALSE;
}
#endif
bool wxVariantDataTime::Read(wxString& WXUNUSED(str))
{
// Not implemented
return FALSE;
}
/*
* wxVariantDataDate
*/
class wxVariantDataDate: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataDate)
public:
wxVariantDataDate() { }
wxVariantDataDate(const wxDate& value) { m_value = value; }
inline wxDate GetValue() const { return m_value; }
inline void SetValue(const wxDate& value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
virtual bool Read(wxString& str);
virtual wxString GetType() const { return wxT("date"); };
virtual wxVariantData* Clone() { return new wxVariantDataDate; }
protected:
wxDate m_value;
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataDate, wxVariantData)
void wxVariantDataDate::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("date")), wxT("wxVariantDataDate::Copy: Can't copy to this type of data") );
wxVariantDataDate& otherData = (wxVariantDataDate&) data;
otherData.m_value = m_value;
}
bool wxVariantDataDate::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("date")), wxT("wxVariantDataDate::Eq: argument mismatch") );
wxVariantDataDate& otherData = (wxVariantDataDate&) data;
return (otherData.m_value == m_value);
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataDate::Write(wxSTD ostream& str) const
{
wxString s;
Write(s);
str << (const char*) s.mb_str();
return TRUE;
}
#endif
bool wxVariantDataDate::Write(wxString& str) const
{
str = m_value.FormatDate();
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataDate::Read(wxSTD istream& WXUNUSED(str))
{
// Not implemented
return FALSE;
}
#endif
bool wxVariantDataDate::Read(wxString& WXUNUSED(str))
{
// Not implemented
return FALSE;
}
#endif
// wxUSE_TIMEDATE
/*
* wxVariantDataVoidPtr
*/
class wxVariantDataVoidPtr: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataVoidPtr)
public:
wxVariantDataVoidPtr() { }
wxVariantDataVoidPtr(void* value) { m_value = value; }
inline void* GetValue() const { return m_value; }
inline void SetValue(void* value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
virtual bool Read(wxString& str);
virtual wxString GetType() const { return wxT("void*"); };
virtual wxVariantData* Clone() { return new wxVariantDataVoidPtr; }
protected:
void* m_value;
DECLARE_NO_COPY_CLASS(wxVariantDataVoidPtr)
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataVoidPtr, wxVariantData)
void wxVariantDataVoidPtr::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Copy: Can't copy to this type of data") );
wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
otherData.m_value = m_value;
}
bool wxVariantDataVoidPtr::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Eq: argument mismatch") );
wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
return (otherData.m_value == m_value);
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataVoidPtr::Write(wxSTD ostream& str) const
{
wxString s;
Write(s);
str << (const char*) s.mb_str();
return TRUE;
}
#endif
bool wxVariantDataVoidPtr::Write(wxString& str) const
{
str.Printf(wxT("%ld"), (long) m_value);
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataVoidPtr::Read(wxSTD istream& WXUNUSED(str))
{
// Not implemented
return FALSE;
}
#endif
bool wxVariantDataVoidPtr::Read(wxString& WXUNUSED(str))
{
// Not implemented
return FALSE;
}
/*
* wxVariantDataDateTime
*/
#if wxUSE_DATETIME
class wxVariantDataDateTime: public wxVariantData
{
DECLARE_DYNAMIC_CLASS(wxVariantDataDateTime)
public:
wxVariantDataDateTime() { }
wxVariantDataDateTime(const wxDateTime& value) { m_value = value; }
#if wxUSE_ODBC
wxVariantDataDateTime(const TIME_STRUCT* valptr)
{ m_value = wxDateTime(valptr->hour, valptr->minute, valptr->second); }
wxVariantDataDateTime(const DATE_STRUCT* valptr)
{ m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1),valptr->year); }
wxVariantDataDateTime(const TIMESTAMP_STRUCT* valptr)
{ m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1), valptr->year,
valptr->hour, valptr->minute, valptr->second, valptr->fraction ); }
#endif //ODBC
inline wxDateTime GetValue() const { return m_value; }
inline void SetValue(const wxDateTime& value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
virtual bool Read(wxString& str);
virtual wxString GetType() const { return wxT("datetime"); };
virtual wxVariantData* Clone() { return new wxVariantDataDateTime; }
protected:
wxDateTime m_value;
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataDateTime, wxVariantData)
void wxVariantDataDateTime::Copy(wxVariantData& data)
{
wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Copy: Can't copy to this type of data") );
wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
otherData.m_value = m_value;
}
bool wxVariantDataDateTime::Eq(wxVariantData& data) const
{
wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Eq: argument mismatch") );
wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
return (otherData.m_value == m_value);
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataDateTime::Write(wxSTD ostream& str) const
{
// Not implemented
return FALSE;
}
#endif
bool wxVariantDataDateTime::Write(wxString& str) const
{
str = m_value.Format();
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataDateTime::Read(wxSTD istream& WXUNUSED(str))
{
// Not implemented
return FALSE;
}
#endif
bool wxVariantDataDateTime::Read(wxString& str)
{
if(! m_value.ParseDateTime(str))
return FALSE;
return TRUE;
}
#endif // wxUSE_DATETIME
// ----------------------------------------------------------------------------
// wxVariantDataArrayString
// ----------------------------------------------------------------------------
class wxVariantDataArrayString: public wxVariantData
{
public:
wxVariantDataArrayString() { }
wxVariantDataArrayString(const wxArrayString& value) { m_value = value; }
wxArrayString GetValue() const { return m_value; }
void SetValue(const wxArrayString& value) { m_value = value; }
virtual void Copy(wxVariantData& data);
virtual bool Eq(wxVariantData& data) const;
#if wxUSE_STD_IOSTREAM
virtual bool Write(wxSTD ostream& str) const;
#endif
virtual bool Write(wxString& str) const;
#if wxUSE_STD_IOSTREAM
virtual bool Read(wxSTD istream& str);
#endif
virtual bool Read(wxString& str);
virtual wxString GetType() const { return wxT("arrstring"); };
virtual wxVariantData* Clone() { return new wxVariantDataArrayString; }
protected:
wxArrayString m_value;
DECLARE_DYNAMIC_CLASS(wxVariantDataArrayString)
};
IMPLEMENT_DYNAMIC_CLASS(wxVariantDataArrayString, wxVariantData)
void wxVariantDataArrayString::Copy(wxVariantData& data)
{
wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Copy: Can't copy to this type of data") );
wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;
otherData.m_value = m_value;
}
bool wxVariantDataArrayString::Eq(wxVariantData& data) const
{
wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Eq: argument mismatch") );
wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;
return otherData.m_value == m_value;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataArrayString::Write(wxSTD ostream& str) const
{
// Not implemented
return FALSE;
}
#endif
bool wxVariantDataArrayString::Write(wxString& str) const
{
size_t count = m_value.GetCount();
for ( size_t n = 0; n < count; n++ )
{
if ( n )
str += _T(';');
str += m_value[n];
}
return TRUE;
}
#if wxUSE_STD_IOSTREAM
bool wxVariantDataArrayString::Read(wxSTD istream& WXUNUSED(str))
{
// Not implemented
return FALSE;
}
#endif
bool wxVariantDataArrayString::Read(wxString& str)
{
wxStringTokenizer tk(str, _T(";"));
while ( tk.HasMoreTokens() )
{
m_value.Add(tk.GetNextToken());
}
return TRUE;
}
/*
* wxVariant
*/
IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject)
// Construction & destruction
wxVariant::wxVariant()
{
m_data = (wxVariantData*) NULL;
}
wxVariant::wxVariant(double val, const wxString& name)
{
m_data = new wxVariantDataReal(val);
m_name = name;
}
wxVariant::wxVariant(long val, const wxString& name)
{
m_data = new wxVariantDataLong(val);
m_name = name;
}
#ifdef HAVE_BOOL
wxVariant::wxVariant(bool val, const wxString& name)
{
m_data = new wxVariantDataBool(val);
m_name = name;
}
#endif
wxVariant::wxVariant(char val, const wxString& name)
{
m_data = new wxVariantDataChar(val);
m_name = name;
}
wxVariant::wxVariant(const wxString& val, const wxString& name)
{
m_data = new wxVariantDataString(val);
m_name = name;
}
wxVariant::wxVariant(const wxChar* val, const wxString& name)
{
m_data = new wxVariantDataString(wxString(val));
m_name = name;
}
wxVariant::wxVariant(const wxStringList& val, const wxString& name)
{
m_data = new wxVariantDataStringList(val);
m_name = name;
}
wxVariant::wxVariant(const wxList& val, const wxString& name) // List of variants
{
m_data = new wxVariantDataList(val);
m_name = name;
}
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
wxVariant::wxVariant(const wxTime& val, const wxString& name) // Time
{
m_data = new wxVariantDataTime(val);
m_name = name;
}
wxVariant::wxVariant(const wxDate& val, const wxString& name) // Date
{
m_data = new wxVariantDataDate(val);
m_name = name;
}
#endif
wxVariant::wxVariant(void* val, const wxString& name) // Void ptr
{
m_data = new wxVariantDataVoidPtr(val);
m_name = name;
}
#if wxUSE_DATETIME
wxVariant::wxVariant(const wxDateTime& val, const wxString& name) // Date
{
m_data = new wxVariantDataDateTime(val);
m_name = name;
}
#endif // wxUSE_DATETIME
#if wxUSE_ODBC
wxVariant::wxVariant(const TIME_STRUCT* valptr, const wxString& name) // Date
{
m_data = new wxVariantDataDateTime(valptr);
m_name = name;
}
wxVariant::wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name) // Date
{
m_data = new wxVariantDataDateTime(valptr);
m_name = name;
}
wxVariant::wxVariant(const DATE_STRUCT* valptr, const wxString& name) // Date
{
m_data = new wxVariantDataDateTime(valptr);
m_name = name;
}
#endif // wxUSE_ODBC
wxVariant::wxVariant(const wxArrayString& val, const wxString& name) // Strings
{
m_data = new wxVariantDataArrayString(val);
m_name = name;
}
wxVariant::wxVariant(const wxVariant& variant)
: wxObject()
{
if (!variant.IsNull())
{
m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
variant.m_data->Copy(*m_data);
}
else
m_data = (wxVariantData*) NULL;
m_name = variant.m_name;
}
wxVariant::wxVariant(wxVariantData* data, const wxString& name) // User-defined data
{
m_data = data;
m_name = name;
}
wxVariant::~wxVariant()
{
delete m_data;
}
// Make NULL (i.e. delete the data)
void wxVariant::MakeNull()
{
delete m_data;
m_data = NULL;
}
// Generic operators
// Assignment
void wxVariant::operator= (const wxVariant& variant)
{
if (variant.IsNull())
{
MakeNull();
return;
}
if (IsNull() || (GetType() != variant.GetType()))
{
if (m_data)
delete m_data;
m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
}
variant.GetData()->Copy(* GetData());
m_name = variant.m_name;
}
// Assignment using data, e.g.
// myVariant = new wxStringVariantData("hello")
void wxVariant::operator= (wxVariantData* variantData)
{
MakeNull();
m_data = variantData;
}
bool wxVariant::operator== (const wxVariant& variant) const
{
if (IsNull() || variant.IsNull())
return (IsNull() == variant.IsNull());
return (GetData()->Eq(* variant.GetData()));
}
bool wxVariant::operator!= (const wxVariant& variant) const
{
return (!(*this == variant));
}
// Specific operators
bool wxVariant::operator== (double value) const
{
double thisValue;
if (!Convert(&thisValue))
return FALSE;
else
return (value == thisValue);
}
bool wxVariant::operator!= (double value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (double value)
{
if (GetType() == wxT("double"))
{
((wxVariantDataReal*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataReal(value);
}
}
bool wxVariant::operator== (long value) const
{
long thisValue;
if (!Convert(&thisValue))
return FALSE;
else
return (value == thisValue);
}
bool wxVariant::operator!= (long value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (long value)
{
if (GetType() == wxT("long"))
{
((wxVariantDataLong*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataLong(value);
}
}
bool wxVariant::operator== (char value) const
{
char thisValue;
if (!Convert(&thisValue))
return FALSE;
else
return (value == thisValue);
}
bool wxVariant::operator!= (char value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (char value)
{
if (GetType() == wxT("char"))
{
((wxVariantDataChar*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataChar(value);
}
}
#ifdef HAVE_BOOL
bool wxVariant::operator== (bool value) const
{
bool thisValue;
if (!Convert(&thisValue))
return FALSE;
else
return (value == thisValue);
}
bool wxVariant::operator!= (bool value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (bool value)
{
if (GetType() == wxT("bool"))
{
((wxVariantDataBool*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataBool(value);
}
}
#endif // HAVE_BOOL
bool wxVariant::operator== (const wxString& value) const
{
wxString thisValue;
if (!Convert(&thisValue))
return FALSE;
return value == thisValue;
}
bool wxVariant::operator!= (const wxString& value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (const wxString& value)
{
if (GetType() == wxT("string"))
{
((wxVariantDataString*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataString(value);
}
}
void wxVariant::operator= (const wxChar* value)
{
if (GetType() == wxT("string"))
{
((wxVariantDataString*)GetData())->SetValue(wxString(value));
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataString(wxString(value));
}
}
bool wxVariant::operator== (const wxStringList& value) const
{
wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );
wxVariantDataStringList other(value);
return (m_data->Eq(other));
}
bool wxVariant::operator!= (const wxStringList& value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (const wxStringList& value)
{
if (GetType() == wxT("stringlist"))
{
((wxVariantDataStringList*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataStringList(value);
}
}
bool wxVariant::operator== (const wxList& value) const
{
wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for == operator") );
wxVariantDataList other(value);
return (m_data->Eq(other));
}
bool wxVariant::operator!= (const wxList& value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (const wxList& value)
{
if (GetType() == wxT("list"))
{
((wxVariantDataList*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataList(value);
}
}
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
bool wxVariant::operator== (const wxTime& value) const
{
wxTime thisValue;
if (!Convert(&thisValue))
return FALSE;
return value == thisValue;
}
bool wxVariant::operator!= (const wxTime& value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (const wxTime& value)
{
if (GetType() == wxT("time"))
{
((wxVariantDataTime*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataTime(value);
}
}
bool wxVariant::operator== (const wxDate& value) const
{
wxDate thisValue;
if (!Convert(&thisValue))
return FALSE;
return (value == thisValue);
}
bool wxVariant::operator!= (const wxDate& value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (const wxDate& value)
{
if (GetType() == wxT("date"))
{
((wxVariantDataTime*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataDate(value);
}
}
#endif
bool wxVariant::operator== (void* value) const
{
return (value == ((wxVariantDataVoidPtr*)GetData())->GetValue());
}
bool wxVariant::operator!= (void* value) const
{
return (!((*this) == (void*) value));
}
void wxVariant::operator= (void* value)
{
if (GetType() == wxT("void*"))
{
((wxVariantDataVoidPtr*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataVoidPtr(value);
}
}
#if wxUSE_DATETIME
bool wxVariant::operator== (const wxDateTime& value) const
{
wxDateTime thisValue;
if (!Convert(&thisValue))
return FALSE;
return value.IsEqualTo(thisValue);
}
bool wxVariant::operator!= (const wxDateTime& value) const
{
return (!((*this) == value));
}
void wxVariant::operator= (const wxDateTime& value)
{
if (GetType() == wxT("datetime"))
{
((wxVariantDataDateTime*)GetData())->SetValue(value);
}
else
{
if (m_data)
delete m_data;
m_data = new wxVariantDataDateTime(value);
}
}
#endif // wxUSE_DATETIME
#if wxUSE_ODBC
void wxVariant::operator= (const DATE_STRUCT* value)
{
if (m_data)
delete m_data;
m_data = new wxVariantDataDateTime(value);
}
void wxVariant::operator= (const TIME_STRUCT* value)
{
if (m_data)
delete m_data;
m_data = new wxVariantDataDateTime(value);
}
void wxVariant::operator= (const TIMESTAMP_STRUCT* value)
{
if (m_data)
delete m_data;
m_data = new wxVariantDataDateTime(value);
}
#endif // wxUSE_ODBC
bool wxVariant::operator==(const wxArrayString& WXUNUSED(value)) const
{
wxFAIL_MSG( _T("TODO") );
return FALSE;
}
bool wxVariant::operator!=(const wxArrayString& value) const
{
return !(*this == value);
}
void wxVariant::operator=(const wxArrayString& value)
{
if (GetType() == wxT("arrstring"))
{
((wxVariantDataArrayString *)GetData())->SetValue(value);
}
else
{
delete m_data;
m_data = new wxVariantDataArrayString(value);
}
}
wxArrayString wxVariant::GetArrayString() const
{
if ( GetType() == wxT("arrstring") )
return ((wxVariantDataArrayString *)GetData())->GetValue();
return wxArrayString();
}
// Treat a list variant as an array
wxVariant wxVariant::operator[] (size_t idx) const
{
wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for array operator") );
if (GetType() == wxT("list"))
{
wxVariantDataList* data = (wxVariantDataList*) m_data;
wxASSERT_MSG( (idx < (size_t) data->GetValue().GetCount()), wxT("Invalid index for array") );
return * (wxVariant*) (data->GetValue().Item(idx)->GetData());
}
else if (GetType() == wxT("stringlist"))
{
wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
wxASSERT_MSG( (idx < (size_t) data->GetValue().GetCount()), wxT("Invalid index for array") );
wxVariant variant( wxString( (wxChar*) (data->GetValue().Item(idx)->GetData()) ));
return variant;
}
return wxNullVariant;
}
wxVariant& wxVariant::operator[] (size_t idx)
{
// We can't return a reference to a variant for a string list, since the string
// is actually stored as a char*, not a variant.
wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for array operator") );
wxVariantDataList* data = (wxVariantDataList*) m_data;
wxASSERT_MSG( (idx < (size_t) data->GetValue().GetCount()), wxT("Invalid index for array") );
return * (wxVariant*) (data->GetValue().Item(idx)->GetData());
}
// Return the number of elements in a list
int wxVariant::GetCount() const
{
wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for GetCount()") );
if (GetType() == wxT("list"))
{
wxVariantDataList* data = (wxVariantDataList*) m_data;
return data->GetValue().GetCount();
}
else if (GetType() == wxT("stringlist"))
{
wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
return data->GetValue().GetCount();
}
return 0;
}
wxString wxVariant::MakeString() const
{
if (!IsNull())
{
wxString str;
if (GetData()->Write(str))
return str;
}
return wxString(wxT(""));
}
// Accessors
void wxVariant::SetData(wxVariantData* data)
{
if (m_data) delete m_data;
m_data = data;
}
// Returns a string representing the type of the variant,
// e.g. "string", "bool", "stringlist", "list", "double", "long"
wxString wxVariant::GetType() const
{
if (IsNull())
return wxString(wxT("null"));
else
return m_data->GetType();
}
bool wxVariant::IsType(const wxString& type) const
{
return (GetType() == type);
}
// Value accessors
double wxVariant::GetReal() const
{
double value;
if (Convert(& value))
return value;
else
{
wxFAIL_MSG(wxT("Could not convert to a real number"));
return 0.0;
}
}
long wxVariant::GetInteger() const
{
long value;
if (Convert(& value))
return value;
else
{
wxFAIL_MSG(wxT("Could not convert to an integer"));
return 0;
}
}
char wxVariant::GetChar() const
{
char value;
if (Convert(& value))
return value;
else
{
wxFAIL_MSG(wxT("Could not convert to a char"));
return 0;
}
}
bool wxVariant::GetBool() const
{
bool value;
if (Convert(& value))
return value;
else
{
wxFAIL_MSG(wxT("Could not convert to a bool"));
return 0;
}
}
wxString wxVariant::GetString() const
{
wxString value;
if (!Convert(& value))
{
wxFAIL_MSG(wxT("Could not convert to a string"));
}
return value;
}
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
wxTime wxVariant::GetTime() const
{
wxTime value;
if (!Convert(& value))
{
wxFAIL_MSG(wxT("Could not convert to a time"));
}
return value;
}
wxDate wxVariant::GetDate() const
{
wxDate value;
if (!Convert(& value))
{
wxFAIL_MSG(wxT("Could not convert to a date"));
}
return value;
}
#endif // wxUSE_TIMEDATE
void* wxVariant::GetVoidPtr() const
{
wxASSERT( (GetType() == wxT("void*")) );
return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue();
}
#if wxUSE_DATETIME
wxDateTime wxVariant::GetDateTime() const
{
wxDateTime value;
if (!Convert(& value))
{
wxFAIL_MSG(wxT("Could not convert to a datetime"));
}
return value;
}
#endif // wxUSE_DATETIME
wxList& wxVariant::GetList() const
{
wxASSERT( (GetType() == wxT("list")) );
return (wxList&) ((wxVariantDataList*) m_data)->GetValue();
}
wxStringList& wxVariant::GetStringList() const
{
wxASSERT( (GetType() == wxT("stringlist")) );
return (wxStringList&) ((wxVariantDataStringList*) m_data)->GetValue();
}
// Make empty list
void wxVariant::NullList()
{
SetData(new wxVariantDataList());
};
// Append to list
void wxVariant::Append(const wxVariant& value)
{
wxList& list = GetList();
list.Append(new wxVariant(value));
}
// Insert at front of list
void wxVariant::Insert(const wxVariant& value)
{
wxList& list = GetList();
list.Insert(new wxVariant(value));
}
// Returns TRUE if the variant is a member of the list
bool wxVariant::Member(const wxVariant& value) const
{
wxList& list = GetList();
wxNode* node = list.GetFirst();
while (node)
{
wxVariant* other = (wxVariant*) node->GetData();
if (value == *other)
return TRUE;
node = node->GetNext();
}
return FALSE;
}
// Deletes the nth element of the list
bool wxVariant::Delete(int item)
{
wxList& list = GetList();
wxASSERT_MSG( (item < (int) list.GetCount()), wxT("Invalid index to Delete") );
wxNode* node = list.Item(item);
wxVariant* variant = (wxVariant*) node->GetData();
delete variant;
delete node;
return TRUE;
}
// Clear list
void wxVariant::ClearList()
{
if (!IsNull() && (GetType() == wxT("list")))
{
((wxVariantDataList*) m_data)->Clear();
}
else
{
if (GetType() != wxT("list"))
{
delete m_data;
m_data = NULL;
}
m_data = new wxVariantDataList;
}
}
// Type conversion
bool wxVariant::Convert(long* value) const
{
wxString type(GetType());
if (type == wxT("double"))
*value = (long) (((wxVariantDataReal*)GetData())->GetValue());
else if (type == wxT("long"))
*value = ((wxVariantDataLong*)GetData())->GetValue();
#ifdef HAVE_BOOL
else if (type == wxT("bool"))
*value = (long) (((wxVariantDataBool*)GetData())->GetValue());
#endif
else if (type == wxT("string"))
*value = wxAtol((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
else
return FALSE;
return TRUE;
}
bool wxVariant::Convert(bool* value) const
{
wxString type(GetType());
if (type == wxT("double"))
*value = ((int) (((wxVariantDataReal*)GetData())->GetValue()) != 0);
else if (type == wxT("long"))
*value = (((wxVariantDataLong*)GetData())->GetValue() != 0);
#ifdef HAVE_BOOL
else if (type == wxT("bool"))
*value = ((wxVariantDataBool*)GetData())->GetValue();
#endif
else if (type == wxT("string"))
{
wxString val(((wxVariantDataString*)GetData())->GetValue());
val.MakeLower();
if (val == wxT("TRUE") || val == wxT("yes"))
*value = TRUE;
else if (val == wxT("FALSE") || val == wxT("no"))
*value = FALSE;
else
return FALSE;
}
else
return FALSE;
return TRUE;
}
bool wxVariant::Convert(double* value) const
{
wxString type(GetType());
if (type == wxT("double"))
*value = ((wxVariantDataReal*)GetData())->GetValue();
else if (type == wxT("long"))
*value = (double) (((wxVariantDataLong*)GetData())->GetValue());
#ifdef HAVE_BOOL
else if (type == wxT("bool"))
*value = (double) (((wxVariantDataBool*)GetData())->GetValue());
#endif
else if (type == wxT("string"))
*value = (double) wxAtof((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
else
return FALSE;
return TRUE;
}
bool wxVariant::Convert(char* value) const
{
wxString type(GetType());
if (type == wxT("char"))
*value = ((wxVariantDataChar*)GetData())->GetValue();
else if (type == wxT("long"))
*value = (char) (((wxVariantDataLong*)GetData())->GetValue());
#ifdef HAVE_BOOL
else if (type == wxT("bool"))
*value = (char) (((wxVariantDataBool*)GetData())->GetValue());
#endif
else
return FALSE;
return TRUE;
}
bool wxVariant::Convert(wxString* value) const
{
*value = MakeString();
return TRUE;
}
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
bool wxVariant::Convert(wxTime* value) const
{
wxString type(GetType());
if (type == wxT("time"))
*value = ((wxVariantDataTime*)GetData())->GetValue();
else if (type == wxT("date"))
*value = wxTime(((wxVariantDataDate*)GetData())->GetValue());
else
return FALSE;
return TRUE;
}
bool wxVariant::Convert(wxDate* value) const
{
wxString type(GetType());
if (type == wxT("date"))
*value = ((wxVariantDataDate*)GetData())->GetValue();
else
return FALSE;
return TRUE;
}
#endif // wxUSE_TIMEDATE
#if wxUSE_DATETIME
bool wxVariant::Convert(wxDateTime* value) const
{
wxString type(GetType());
if (type == wxT("datetime"))
{
*value = ((wxVariantDataDateTime*)GetData())->GetValue();
return TRUE;
}
// Fallback to string conversion
wxString val;
return Convert(&val) && (value->ParseDate(val));
}
#endif // wxUSE_DATETIME