X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7e6b478087cfbc8ce55775014ad187359a9ff878..467a2982d277060eced5160b4dc88daff442eb87:/src/common/variant.cpp diff --git a/src/common/variant.cpp b/src/common/variant.cpp index f30f580dbb..b71f67801d 100644 --- a/src/common/variant.cpp +++ b/src/common/variant.cpp @@ -53,7 +53,7 @@ wxVariant WXDLLIMPEXP_BASE wxNullVariant; #include "wx/listimpl.cpp" -WX_DEFINE_LIST(wxVariantList); +WX_DEFINE_LIST(wxVariantList) /* * wxVariant @@ -130,7 +130,6 @@ bool wxVariant::operator!= (const wxVariant& variant) const return (!(*this == variant)); } - wxString wxVariant::MakeString() const { if (!IsNull()) @@ -177,6 +176,30 @@ 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 +250,8 @@ 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 +402,7 @@ public: #endif // wxUSE_STREAMS virtual wxString GetType() const { return wxT("double"); } + wxVariantData* Clone() const { return new wxVariantDoubleData(m_value); } protected: double m_value; }; @@ -514,6 +540,7 @@ public: #endif // wxUSE_STREAMS virtual wxString GetType() const { return wxT("bool"); } + wxVariantData* Clone() const { return new wxVariantDataBool(m_value); } protected: bool m_value; }; @@ -651,6 +678,7 @@ 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 +830,7 @@ 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 +984,10 @@ 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 +1004,13 @@ 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; } @@ -1076,7 +1105,7 @@ 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; @@ -1170,15 +1199,6 @@ 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 +1213,7 @@ 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; @@ -1252,26 +1272,6 @@ 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 +1300,6 @@ 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 +1336,7 @@ 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; @@ -1465,11 +1444,11 @@ class WXDLLIMPEXP_BASE wxVariantDataList: public wxVariantData { public: wxVariantDataList() {} - wxVariantDataList(const wxList& list); + wxVariantDataList(const wxVariantList& list); virtual ~wxVariantDataList(); - wxList& GetValue() { return m_value; } - void SetValue(const wxList& value) ; + wxVariantList& GetValue() { return m_value; } + void SetValue(const wxVariantList& value) ; virtual bool Eq(wxVariantData& data) const; #if wxUSE_STD_IOSTREAM @@ -1484,11 +1463,12 @@ public: void Clear(); + wxVariantData* Clone() const { return new wxVariantDataList(m_value); } protected: - wxList m_value; + wxVariantList m_value; }; -wxVariantDataList::wxVariantDataList(const wxList& list) +wxVariantDataList::wxVariantDataList(const wxVariantList& list) { SetValue(list); } @@ -1498,13 +1478,13 @@ wxVariantDataList::~wxVariantDataList() Clear(); } -void wxVariantDataList::SetValue(const wxList& value) +void wxVariantDataList::SetValue(const wxVariantList& value) { Clear(); - wxList::compatibility_iterator node = value.GetFirst(); + wxVariantList::compatibility_iterator node = value.GetFirst(); while (node) { - wxVariant* var = (wxVariant*) node->GetData(); + wxVariant* var = node->GetData(); m_value.Append(new wxVariant(*var)); node = node->GetNext(); } @@ -1512,10 +1492,10 @@ void wxVariantDataList::SetValue(const wxList& value) void wxVariantDataList::Clear() { - wxList::compatibility_iterator node = m_value.GetFirst(); + wxVariantList::compatibility_iterator node = m_value.GetFirst(); while (node) { - wxVariant* var = (wxVariant*) node->GetData(); + wxVariant* var = node->GetData(); delete var; node = node->GetNext(); } @@ -1527,12 +1507,12 @@ bool wxVariantDataList::Eq(wxVariantData& data) const wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Eq: argument mismatch") ); wxVariantDataList& listData = (wxVariantDataList&) data; - wxList::compatibility_iterator node1 = m_value.GetFirst(); - wxList::compatibility_iterator node2 = listData.GetValue().GetFirst(); + wxVariantList::compatibility_iterator node1 = m_value.GetFirst(); + wxVariantList::compatibility_iterator node2 = listData.GetValue().GetFirst(); while (node1 && node2) { - wxVariant* var1 = (wxVariant*) node1->GetData(); - wxVariant* var2 = (wxVariant*) node2->GetData(); + wxVariant* var1 = node1->GetData(); + wxVariant* var2 = node2->GetData(); if ((*var1) != (*var2)) return false; node1 = node1->GetNext(); @@ -1555,10 +1535,10 @@ bool wxVariantDataList::Write(wxSTD ostream& str) const bool wxVariantDataList::Write(wxString& str) const { str = wxEmptyString; - wxList::compatibility_iterator node = m_value.GetFirst(); + wxVariantList::compatibility_iterator node = m_value.GetFirst(); while (node) { - wxVariant* var = (wxVariant*) node->GetData(); + wxVariant* var = node->GetData(); if (node != m_value.GetFirst()) str += wxT(" "); wxString str1; @@ -1587,13 +1567,13 @@ bool wxVariantDataList::Read(wxString& WXUNUSED(str)) // wxVariant -wxVariant::wxVariant(const wxList& val, const wxString& name) // List of variants +wxVariant::wxVariant(const wxVariantList& val, const wxString& name) // List of variants { m_data = new wxVariantDataList(val); m_name = name; } -bool wxVariant::operator== (const wxList& value) const +bool wxVariant::operator== (const wxVariantList& value) const { wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for == operator") ); @@ -1601,12 +1581,12 @@ bool wxVariant::operator== (const wxList& value) const return (GetData()->Eq(other)); } -bool wxVariant::operator!= (const wxList& value) const +bool wxVariant::operator!= (const wxVariantList& value) const { return (!((*this) == value)); } -void wxVariant::operator= (const wxList& value) +void wxVariant::operator= (const wxVariantList& value) { if (GetType() == wxT("list") && m_data->GetRefCount() == 1) @@ -1620,11 +1600,11 @@ void wxVariant::operator= (const wxList& value) } } -wxList& wxVariant::GetList() const +wxVariantList& wxVariant::GetList() const { wxASSERT( (GetType() == wxT("list")) ); - return (wxList&) ((wxVariantDataList*) m_data)->GetValue(); + return (wxVariantList&) ((wxVariantDataList*) m_data)->GetValue(); } // Make empty list @@ -1636,7 +1616,7 @@ void wxVariant::NullList() // Append to list void wxVariant::Append(const wxVariant& value) { - wxList& list = GetList(); + wxVariantList& list = GetList(); list.Append(new wxVariant(value)); } @@ -1644,7 +1624,7 @@ void wxVariant::Append(const wxVariant& value) // Insert at front of list void wxVariant::Insert(const wxVariant& value) { - wxList& list = GetList(); + wxVariantList& list = GetList(); list.Insert(new wxVariant(value)); } @@ -1652,12 +1632,12 @@ void wxVariant::Insert(const wxVariant& value) // Returns true if the variant is a member of the list bool wxVariant::Member(const wxVariant& value) const { - wxList& list = GetList(); + wxVariantList& list = GetList(); - wxList::compatibility_iterator node = list.GetFirst(); + wxVariantList::compatibility_iterator node = list.GetFirst(); while (node) { - wxVariant* other = (wxVariant*) node->GetData(); + wxVariant* other = node->GetData(); if (value == *other) return true; node = node->GetNext(); @@ -1668,11 +1648,11 @@ bool wxVariant::Member(const wxVariant& value) const // Deletes the nth element of the list bool wxVariant::Delete(size_t item) { - wxList& list = GetList(); + wxVariantList& list = GetList(); wxASSERT_MSG( (item < list.GetCount()), wxT("Invalid index to Delete") ); - wxList::compatibility_iterator node = list.Item(item); - wxVariant* variant = (wxVariant*) node->GetData(); + wxVariantList::compatibility_iterator node = list.Item(item); + wxVariant* variant = node->GetData(); delete variant; list.Erase(node); return true; @@ -1703,7 +1683,7 @@ wxVariant wxVariant::operator[] (size_t idx) const { wxVariantDataList* data = (wxVariantDataList*) m_data; wxASSERT_MSG( (idx < data->GetValue().GetCount()), wxT("Invalid index for array") ); - return * (wxVariant*) (data->GetValue().Item(idx)->GetData()); + return *(data->GetValue().Item(idx)->GetData()); } return wxNullVariant; } @@ -1718,7 +1698,7 @@ wxVariant& wxVariant::operator[] (size_t idx) wxVariantDataList* data = (wxVariantDataList*) m_data; wxASSERT_MSG( (idx < data->GetValue().GetCount()), wxT("Invalid index for array") ); - return * (wxVariant*) (data->GetValue().Item(idx)->GetData()); + return * (data->GetValue().Item(idx)->GetData()); } // Return the number of elements in a list