X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/43ea4e37eb524a7acb7200aafd7fddd31416a3aa..ba86da30cf1a2a8429f3af465cbb6c9f52b307fb:/src/common/variant.cpp diff --git a/src/common/variant.cpp b/src/common/variant.cpp index 8f3344671f..627edfbef6 100644 --- a/src/common/variant.cpp +++ b/src/common/variant.cpp @@ -63,12 +63,12 @@ IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject) wxVariant::wxVariant() { - m_data = (wxVariantData*) NULL; + m_data = NULL; } bool wxVariant::IsNull() const { - return (m_data == (wxVariantData*) NULL); + return (m_data == NULL); } void wxVariant::MakeNull() @@ -84,7 +84,7 @@ void wxVariant::Clear() wxVariant::wxVariant(const wxVariant& variant) : wxObject() { - m_data = (wxVariantData*) NULL; + m_data = NULL; if (!variant.IsNull()) Ref(variant); @@ -122,6 +122,9 @@ bool wxVariant::operator== (const wxVariant& variant) const if (IsNull() || variant.IsNull()) return (IsNull() == variant.IsNull()); + if (GetType() != variant.GetType()) + return false; + return (GetData()->Eq(* variant.GetData())); } @@ -130,7 +133,6 @@ bool wxVariant::operator!= (const wxVariant& variant) const return (!(*this == variant)); } - wxString wxVariant::MakeString() const { if (!IsNull()) @@ -177,6 +179,30 @@ void wxVariant::UnRef() } } +bool wxVariant::Unshare() +{ + if ( m_data && m_data->GetRefCount() > 1 ) + { + // note that ref is not going to be destroyed in this case... + const wxVariantData* ref = m_data; + UnRef(); + + // ... so we can still access it + m_data = ref->Clone(); + + wxASSERT_MSG( (m_data && m_data->GetRefCount() == 1), + _T("wxVariant::AllocExclusive() failed.") ); + + if (!m_data || m_data->GetRefCount() != 1) + return false; + else + return true; + } + //else: data is null or ref count is 1, so we are exclusive owners of m_refData anyhow + else + return true; +} + // Returns a string representing the type of the variant, // e.g. "string", "bool", "list", "double", "long" @@ -227,6 +253,8 @@ public: virtual bool Write(wxOutputStream &str) const; #endif // wxUSE_STREAMS + wxVariantData* Clone() const { return new wxVariantDataLong(m_value); } + virtual wxString GetType() const { return wxT("long"); } protected: @@ -377,6 +405,7 @@ public: #endif // wxUSE_STREAMS virtual wxString GetType() const { return wxT("double"); } + wxVariantData* Clone() const { return new wxVariantDoubleData(m_value); } protected: double m_value; }; @@ -488,8 +517,6 @@ double wxVariant::GetDouble() const // wxVariantBoolData // ----------------------------------------------------------------- -#ifdef HAVE_BOOL - class WXDLLIMPEXP_BASE wxVariantDataBool: public wxVariantData { public: @@ -514,6 +541,7 @@ public: #endif // wxUSE_STREAMS virtual wxString GetType() const { return wxT("bool"); } + wxVariantData* Clone() const { return new wxVariantDataBool(m_value); } protected: bool m_value; }; @@ -624,8 +652,6 @@ bool wxVariant::GetBool() const } } -#endif // HAVE_BOOL - // ----------------------------------------------------------------- // wxVariantDataChar // ----------------------------------------------------------------- @@ -651,6 +677,7 @@ public: virtual bool Write(wxOutputStream& str) const; #endif // wxUSE_STREAMS virtual wxString GetType() const { return wxT("char"); } + wxVariantData* Clone() const { return new wxVariantDataChar(m_value); } protected: wxUniChar m_value; @@ -802,6 +829,7 @@ public: virtual bool Write(wxOutputStream& str) const; #endif // wxUSE_STREAMS virtual wxString GetType() const { return wxT("string"); } + wxVariantData* Clone() const { return new wxVariantDataString(m_value); } protected: wxString m_value; @@ -955,10 +983,10 @@ public: #endif virtual bool Read(wxString& str); virtual wxString GetType() const ; - virtual wxVariantData* Clone() { return new wxVariantDataWxObjectPtr; } + virtual wxVariantData* Clone() const { return new wxVariantDataWxObjectPtr(m_value); } virtual wxClassInfo* GetValueClassInfo(); - + protected: wxObject* m_value; }; @@ -975,13 +1003,13 @@ bool wxVariantDataWxObjectPtr::Eq(wxVariantData& data) const wxString wxVariantDataWxObjectPtr::GetType() const { wxString returnVal(wxT("wxObject*")); - + if (m_value) { returnVal = m_value->GetClassInfo()->GetClassName(); returnVal += wxT("*"); } - + return returnVal; } @@ -1006,7 +1034,7 @@ bool wxVariantDataWxObjectPtr::Write(wxSTD ostream& str) const bool wxVariantDataWxObjectPtr::Write(wxString& str) const { - str.Printf(wxT("%s(%p)"), GetType().c_str(), wx_static_cast(void*, m_value)); + str.Printf(wxT("%s(%p)"), GetType().c_str(), static_cast(m_value)); return true; } @@ -1076,7 +1104,7 @@ public: #endif virtual bool Read(wxString& str); virtual wxString GetType() const { return wxT("void*"); } - virtual wxVariantData* Clone() { return new wxVariantDataVoidPtr; } + virtual wxVariantData* Clone() const { return new wxVariantDataVoidPtr(m_value); } protected: void* m_value; @@ -1154,7 +1182,11 @@ void wxVariant::operator= (void* value) void* wxVariant::GetVoidPtr() const { - wxASSERT( (GetType() == wxT("void*")) ); + // handling this specially is convenient when working with COM, see #9873 + if ( IsNull() ) + return NULL; + + wxASSERT( GetType() == wxT("void*") ); return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue(); } @@ -1170,15 +1202,6 @@ class wxVariantDataDateTime: public wxVariantData 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, (wxDateTime::wxDateTime_t)valptr->fraction ); } -#endif //ODBC inline wxDateTime GetValue() const { return m_value; } inline void SetValue(const wxDateTime& value) { m_value = value; } @@ -1193,7 +1216,7 @@ public: #endif virtual bool Read(wxString& str); virtual wxString GetType() const { return wxT("datetime"); } - virtual wxVariantData* Clone() { return new wxVariantDataDateTime; } + virtual wxVariantData* Clone() const { return new wxVariantDataDateTime(m_value); } protected: wxDateTime m_value; @@ -1223,7 +1246,10 @@ bool wxVariantDataDateTime::Write(wxSTD ostream& str) const bool wxVariantDataDateTime::Write(wxString& str) const { - str = m_value.Format(); + if ( m_value.IsValid() ) + str = m_value.Format(); + else + str = wxS("Invalid"); return true; } @@ -1239,6 +1265,12 @@ bool wxVariantDataDateTime::Read(wxSTD istream& WXUNUSED(str)) bool wxVariantDataDateTime::Read(wxString& str) { + if ( str == wxS("Invalid") ) + { + m_value = wxInvalidDateTime; + return true; + } + if(! m_value.ParseDateTime(str.c_str()/*FIXME-UTF8*/)) return false; return true; @@ -1252,26 +1284,6 @@ wxVariant::wxVariant(const wxDateTime& val, const wxString& name) // Date m_name = name; } -#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 - bool wxVariant::operator== (const wxDateTime& value) const { wxDateTime thisValue; @@ -1300,27 +1312,6 @@ void wxVariant::operator= (const wxDateTime& value) } } -#if wxUSE_ODBC -void wxVariant::operator= (const DATE_STRUCT* value) -{ - UnRef(); - m_data = new wxVariantDataDateTime(value); -} - -void wxVariant::operator= (const TIME_STRUCT* value) -{ - UnRef(); - m_data = new wxVariantDataDateTime(value); -} - -void wxVariant::operator= (const TIMESTAMP_STRUCT* value) -{ - UnRef(); - m_data = new wxVariantDataDateTime(value); -} - -#endif // wxUSE_ODBC - wxDateTime wxVariant::GetDateTime() const { wxDateTime value; @@ -1357,7 +1348,7 @@ public: #endif virtual bool Read(wxString& str); virtual wxString GetType() const { return wxT("arrstring"); } - virtual wxVariantData* Clone() { return new wxVariantDataArrayString; } + virtual wxVariantData* Clone() const { return new wxVariantDataArrayString(m_value); } protected: wxArrayString m_value; @@ -1484,6 +1475,7 @@ public: void Clear(); + wxVariantData* Clone() const { return new wxVariantDataList(m_value); } protected: wxVariantList m_value; }; @@ -1745,10 +1737,8 @@ bool wxVariant::Convert(long* value) const *value = (long) (((wxVariantDoubleData*)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(((wxVariantDataString*)GetData())->GetValue()); else @@ -1764,10 +1754,8 @@ bool wxVariant::Convert(bool* value) const *value = ((int) (((wxVariantDoubleData*)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()); @@ -1792,10 +1780,8 @@ bool wxVariant::Convert(double* value) const *value = ((wxVariantDoubleData*)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(((wxVariantDataString*)GetData())->GetValue()); else @@ -1811,10 +1797,8 @@ bool wxVariant::Convert(wxUniChar* value) const *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;