fixed memory leak in RestoreState

[wxWidgets.git] / src / common / variant.cpp

diff --git a/src/common/variant.cpp b/src/common/variant.cpp
index fcff39ff5f03bf1411d3ec4b8ac87fd4a7cb4b47..65fbed6a4f7d0b735336609d6a3c812ddace194f 100644 (file)
--- a/src/common/variant.cpp
+++ b/src/common/variant.cpp
@@ -23,6 +23,7 @@
 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/math.h"
+    #include "wx/crt.h"
     #if wxUSE_STREAMS
         #include "wx/stream.h"
     #endif
@@ -226,7 +227,7 @@ public:
     virtual bool Write(wxOutputStream &str) const;
 #endif // wxUSE_STREAMS
 
-    virtual wxString GetType() const { return wxT("long"); };
+    virtual wxString GetType() const { return wxT("long"); }
 
 protected:
     long m_value;
@@ -286,7 +287,7 @@ bool wxVariantDataLong::Read(wxInputStream& str)
 
 bool wxVariantDataLong::Read(wxString& str)
 {
-    m_value = wxAtol((const wxChar*) str);
+    m_value = wxAtol(str);
     return true;
 }
 
@@ -377,7 +378,7 @@ public:
     virtual bool Read(wxInputStream& str);
     virtual bool Write(wxOutputStream &str) const;
 #endif // wxUSE_STREAMS
-    virtual wxString GetType() const { return wxT("double"); };
+    virtual wxString GetType() const { return wxT("double"); }
 
 protected:
     double m_value;
@@ -436,7 +437,7 @@ bool wxVariantDoubleData::Read(wxInputStream& str)
 
 bool wxVariantDoubleData::Read(wxString& str)
 {
-    m_value = wxAtof((const wxChar*) str);
+    m_value = wxAtof(str);
     return true;
 }
 
@@ -517,7 +518,7 @@ public:
     virtual bool Read(wxInputStream& str);
     virtual bool Write(wxOutputStream& str) const;
 #endif // wxUSE_STREAMS
-    virtual wxString GetType() const { return wxT("bool"); };
+    virtual wxString GetType() const { return wxT("bool"); }
 
 protected:
     bool m_value;
@@ -579,7 +580,7 @@ bool wxVariantDataBool::Read(wxInputStream& str)
 
 bool wxVariantDataBool::Read(wxString& str)
 {
-    m_value = (wxAtol((const wxChar*) str) != 0);
+    m_value = (wxAtol(str) != 0);
     return true;
 }
 
@@ -642,10 +643,10 @@ class WXDLLIMPEXP_BASE wxVariantDataChar: public wxVariantData
 DECLARE_DYNAMIC_CLASS(wxVariantDataChar)
 public:
     wxVariantDataChar() { m_value = 0; }
-    wxVariantDataChar(wxChar value) { m_value = value; }
+    wxVariantDataChar(const wxUniChar& value) { m_value = value; }
 
-    inline wxChar GetValue() const { return m_value; }
-    inline void SetValue(wxChar value) { m_value = value; }
+    inline wxUniChar GetValue() const { return m_value; }
+    inline void SetValue(const wxUniChar& value) { m_value = value; }
 
     virtual bool Eq(wxVariantData& data) const;
 #if wxUSE_STD_IOSTREAM
@@ -658,10 +659,10 @@ public:
     virtual bool Read(wxInputStream& str);
     virtual bool Write(wxOutputStream& str) const;
 #endif // wxUSE_STREAMS
-    virtual wxString GetType() const { return wxT("char"); };
+    virtual wxString GetType() const { return wxT("char"); }
 
 protected:
-    wxChar m_value;
+    wxUniChar m_value;
 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataChar, wxVariantData)
@@ -678,16 +679,14 @@ bool wxVariantDataChar::Eq(wxVariantData& data) const
 #if wxUSE_STD_IOSTREAM
 bool wxVariantDataChar::Write(wxSTD ostream& str) const
 {
-    wxString s;
-    Write(s);
-    str << (const char*) s.mb_str();
+    str << wxString(m_value);
     return true;
 }
 #endif
 
 bool wxVariantDataChar::Write(wxString& str) const
 {
-    str.Printf(wxT("%c"), m_value);
+    str = m_value;
     return true;
 }
 
@@ -705,7 +704,9 @@ bool wxVariantDataChar::Write(wxOutputStream& str) const
 {
     wxTextOutputStream s(str);
 
-    s << m_value;
+    // FIXME-UTF8: this should be just "s << m_value;" after removal of
+    //             ANSI build and addition of wxUniChar to wxTextOutputStream:
+    s << (wxChar)m_value;
 
     return true;
 }
@@ -714,7 +715,11 @@ bool wxVariantDataChar::Read(wxInputStream& str)
 {
     wxTextInputStream s(str);
 
-    s >> m_value;
+    // FIXME-UTF8: this should be just "s >> m_value;" after removal of
+    //             ANSI build and addition of wxUniChar to wxTextInputStream:
+    wxChar ch;
+    s >> ch;
+    m_value = ch;
 
     return true;
 }
@@ -722,31 +727,38 @@ bool wxVariantDataChar::Read(wxInputStream& str)
 
 bool wxVariantDataChar::Read(wxString& str)
 {
-    m_value = str[size_t(0)];
+    m_value = str[0u];
     return true;
 }
 
-wxVariant::wxVariant(wxChar val, const wxString& name)
+wxVariant::wxVariant(const wxUniChar& val, const wxString& name)
 {
     m_data = new wxVariantDataChar(val);
     m_name = name;
 }
 
-bool wxVariant::operator== (wxChar value) const
+wxVariant::wxVariant(char val, const wxString& name)
 {
-    wxChar thisValue;
+    m_data = new wxVariantDataChar(val);
+    m_name = name;
+}
+
+wxVariant::wxVariant(wchar_t val, const wxString& name)
+{
+    m_data = new wxVariantDataChar(val);
+    m_name = name;
+}
+
+bool wxVariant::operator==(const wxUniChar& value) const
+{
+    wxUniChar thisValue;
     if (!Convert(&thisValue))
         return false;
     else
         return (value == thisValue);
 }
 
-bool wxVariant::operator!= (wxChar value) const
-{
-    return (!((*this) == value));
-}
-
-void wxVariant::operator= (wxChar value)
+wxVariant& wxVariant::operator=(const wxUniChar& value)
 {
     if (GetType() == wxT("char") &&
         m_data->GetRefCount() == 1)
@@ -758,17 +770,19 @@ void wxVariant::operator= (wxChar value)
         UnRef();
         m_data = new wxVariantDataChar(value);
     }
+
+    return *this;
 }
 
-wxChar wxVariant::GetChar() const
+wxUniChar wxVariant::GetChar() const
 {
-    wxChar value;
+    wxUniChar value;
     if (Convert(& value))
         return value;
     else
     {
         wxFAIL_MSG(wxT("Could not convert to a char"));
-        return 0;
+        return wxUniChar(0);
     }
 }
 
@@ -793,13 +807,13 @@ public:
     virtual bool Read(wxString& str);
     virtual bool Write(wxString& str) const;
 #if wxUSE_STD_IOSTREAM
-    virtual bool Read(wxSTD istream& WXUNUSED(str)) { return false; };
+    virtual bool Read(wxSTD istream& WXUNUSED(str)) { return false; }
 #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"); };
+    virtual wxString GetType() const { return wxT("string"); }
 
 protected:
     wxString m_value;
@@ -862,7 +876,31 @@ wxVariant::wxVariant(const wxString& val, const wxString& name)
     m_name = name;
 }
 
-wxVariant::wxVariant(const wxChar* val, const wxString& name)
+wxVariant::wxVariant(const char* val, const wxString& name)
+{
+    m_data = new wxVariantDataString(wxString(val));
+    m_name = name;
+}
+
+wxVariant::wxVariant(const wchar_t* val, const wxString& name)
+{
+    m_data = new wxVariantDataString(wxString(val));
+    m_name = name;
+}
+
+wxVariant::wxVariant(const wxCStrData& val, const wxString& name)
+{
+    m_data = new wxVariantDataString(val.AsString());
+    m_name = name;
+}
+
+wxVariant::wxVariant(const wxCharBuffer& val, const wxString& name)
+{
+    m_data = new wxVariantDataString(wxString(val));
+    m_name = name;
+}
+
+wxVariant::wxVariant(const wxWCharBuffer& val, const wxString& name)
 {
     m_data = new wxVariantDataString(wxString(val));
     m_name = name;
@@ -882,7 +920,7 @@ bool wxVariant::operator!= (const wxString& value) const
     return (!((*this) == value));
 }
 
-void wxVariant::operator= (const wxString& value)
+wxVariant& wxVariant::operator= (const wxString& value)
 {
     if (GetType() == wxT("string") &&
         m_data->GetRefCount() == 1)
@@ -894,20 +932,7 @@ void wxVariant::operator= (const wxString& value)
         UnRef();
         m_data = new wxVariantDataString(value);
     }
-}
-
-void wxVariant::operator= (const wxChar* value)
-{
-    if (GetType() == wxT("string") &&
-        m_data->GetRefCount() == 1)
-    {
-        ((wxVariantDataString*)GetData())->SetValue(wxString(value));
-    }
-    else
-    {
-        UnRef();
-        m_data = new wxVariantDataString(wxString(value));
-    }
+    return *this;
 }
 
 wxString wxVariant::GetString() const
@@ -1066,7 +1091,7 @@ public:
     virtual bool Read(wxSTD istream& str);
 #endif
     virtual bool Read(wxString& str);
-    virtual wxString GetType() const { return wxT("void*"); };
+    virtual wxString GetType() const { return wxT("void*"); }
     virtual wxVariantData* Clone() { return new wxVariantDataVoidPtr; }
 
 protected:
@@ -1190,7 +1215,7 @@ public:
     virtual bool Read(wxSTD istream& str);
 #endif
     virtual bool Read(wxString& str);
-    virtual wxString GetType() const { return wxT("datetime"); };
+    virtual wxString GetType() const { return wxT("datetime"); }
     virtual wxVariantData* Clone() { return new wxVariantDataDateTime; }
 
 protected:
@@ -1239,7 +1264,7 @@ bool wxVariantDataDateTime::Read(wxSTD istream& WXUNUSED(str))
 
 bool wxVariantDataDateTime::Read(wxString& str)
 {
-    if(! m_value.ParseDateTime(str))
+    if(! m_value.ParseDateTime(str.c_str()/*FIXME-UTF8*/))
         return false;
     return true;
 }
@@ -1356,7 +1381,7 @@ public:
     virtual bool Read(wxSTD istream& str);
 #endif
     virtual bool Read(wxString& str);
-    virtual wxString GetType() const { return wxT("arrstring"); };
+    virtual wxString GetType() const { return wxT("arrstring"); }
     virtual wxVariantData* Clone() { return new wxVariantDataArrayString; }
 
 protected:
@@ -1485,7 +1510,7 @@ public:
     virtual bool Read(wxSTD istream& str);
 #endif
     virtual bool Read(wxString& str);
-    virtual wxString GetType() const { return wxT("list"); };
+    virtual wxString GetType() const { return wxT("list"); }
 
     void Clear();
 
@@ -1757,7 +1782,7 @@ bool wxVariant::Convert(long* value) const
         *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
 #endif
     else if (type == wxT("string"))
-        *value = wxAtol((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
+        *value = wxAtol(((wxVariantDataString*)GetData())->GetValue());
     else
         return false;
 
@@ -1804,14 +1829,14 @@ bool wxVariant::Convert(double* value) const
         *value = (double) (((wxVariantDataBool*)GetData())->GetValue());
 #endif
     else if (type == wxT("string"))
-        *value = (double) wxAtof((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
+        *value = (double) wxAtof(((wxVariantDataString*)GetData())->GetValue());
     else
         return false;
 
     return true;
 }
 
-bool wxVariant::Convert(wxChar* value) const
+bool wxVariant::Convert(wxUniChar* value) const
 {
     wxString type(GetType());
     if (type == wxT("char"))
@@ -1828,6 +1853,24 @@ bool wxVariant::Convert(wxChar* value) const
     return true;
 }
 
+bool wxVariant::Convert(char* value) const
+{
+    wxUniChar ch;
+    if ( !Convert(&ch) )
+        return false;
+    *value = ch;
+    return true;
+}
+
+bool wxVariant::Convert(wchar_t* value) const
+{
+    wxUniChar ch;
+    if ( !Convert(&ch) )
+        return false;
+    *value = ch;
+    return true;
+}
+
 bool wxVariant::Convert(wxString* value) const
 {
     *value = MakeString();
@@ -1846,7 +1889,9 @@ bool wxVariant::Convert(wxDateTime* value) const
     // Fallback to string conversion
     wxString val;
     return Convert(&val) &&
-                (value->ParseDateTime(val) || value->ParseDate(val) || value->ParseTime(val));
+                (value->ParseDateTime(val.c_str()/*FIXME-UTF8*/) ||
+                 value->ParseDate(val.c_str()/*FIXME-UTF8*/) ||
+                 value->ParseTime(val.c_str()/*FIXME-UTF8*/));
 }
 #endif // wxUSE_DATETIME