Correct bug in the wxSpinCtrlGeneric sub-controls resizing.

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

diff --git a/src/common/strconv.cpp b/src/common/strconv.cpp
index c56719561ea0c2979f027749e90931df0d9d3d0c..bf0b0923c76c3c152d9cbea9016054fca0007da0 100644 (file)
--- a/src/common/strconv.cpp
+++ b/src/common/strconv.cpp
@@ -28,8 +28,6 @@
 
 #include "wx/strconv.h"
 
 
 #include "wx/strconv.h"
 

-#if wxUSE_WCHAR_T
-

 #ifndef __WXWINCE__
 #include <errno.h>
 #endif
 #ifndef __WXWINCE__
 #include <errno.h>
 #endif


@@ -57,7 +55,7 @@
 #endif //def __DARWIN__
 
 
 #endif //def __DARWIN__
 
 

-#define TRACE_STRCONV _T("strconv")
+#define TRACE_STRCONV wxT("strconv")

 
 // WC_UTF16 is defined only if sizeof(wchar_t) == 2, otherwise it's supposed to
 // be 4 bytes
 
 // WC_UTF16 is defined only if sizeof(wchar_t) == 2, otherwise it's supposed to
 // be 4 bytes


@@ -216,7 +214,7 @@ wxMBConv::ToWChar(wchar_t *dst, size_t dstLen,
     // all the complication come from the fact that this function, for
     // historical reasons, must behave in 2 subtly different ways when it's
     // called with a fixed number of characters and when it's called for the
     // all the complication come from the fact that this function, for
     // historical reasons, must behave in 2 subtly different ways when it's
     // called with a fixed number of characters and when it's called for the

-    // entire NUL-terminated string: in the former case (srcEnd == NULL) we
+    // entire NUL-terminated string: in the former case (srcEnd != NULL) we

     // must count all characters we convert, NUL or not; but in the latter we
     // do not count the trailing NUL -- but still count all the NULs inside the
     // string
     // must count all characters we convert, NUL or not; but in the latter we
     // do not count the trailing NUL -- but still count all the NULs inside the
     // string


@@ -258,11 +256,13 @@ wxMBConv::ToWChar(wchar_t *dst, size_t dstLen,
         if ( !srcEnd )
         {
             // we convert just one chunk in this case as this is the entire
         if ( !srcEnd )
         {
             // we convert just one chunk in this case as this is the entire

-            // string anyhow
+            // string anyhow (and we don't count the trailing NUL in this case)

             break;
         }
 
             break;
         }
 

-        // advance the input pointer past the end of this chunk
+        // advance the input pointer past the end of this chunk: notice that we
+        // will always stop before srcEnd because we know that the chunk is
+        // always properly NUL-terminated

         while ( NotAllNULs(src, nulLen) )
         {
             // notice that we must skip over multiple bytes here as we suppose
         while ( NotAllNULs(src, nulLen) )
         {
             // notice that we must skip over multiple bytes here as we suppose


@@ -272,23 +272,20 @@ wxMBConv::ToWChar(wchar_t *dst, size_t dstLen,
             src += nulLen;
         }
 
             src += nulLen;
         }
 

-        src += nulLen; // skipping over its terminator as well
+        // if the buffer ends before this NUL, we shouldn't count it in our
+        // output so skip the code below
+        if ( src == srcEnd )
+            break;
+
+        // do count this terminator as it's inside the buffer we convert
+        dstWritten++;
+        if ( dst )
+            dst++;
+
+        src += nulLen; // skip the terminator itself

 
 

-        // note that ">=" (and not just "==") is needed here as the terminator
-        // we skipped just above could be inside or just after the buffer
-        // delimited by srcEnd

         if ( src >= srcEnd )
             break;
         if ( src >= srcEnd )
             break;

-
-        // if we got here then this wasn't the last chunk in this string and
-        // hence we must count an extra char for L'\0' even when converting a
-        // fixed number of characters
-        if ( srcEnd )
-        {
-            dstWritten++;
-            if ( dst )
-                dst++;
-        }

     }
 
     return dstWritten;
     }
 
     return dstWritten;


@@ -324,16 +321,22 @@ wxMBConv::FromWChar(char *dst, size_t dstLen,
     const size_t lenNul = GetMBNulLen();
     for ( const wchar_t * const srcEnd = src + srcLen;
           src < srcEnd;
     const size_t lenNul = GetMBNulLen();
     for ( const wchar_t * const srcEnd = src + srcLen;
           src < srcEnd;

-          src += wxWcslen(src) + 1 /* skip L'\0' too */ )
+          src++ /* skip L'\0' too */ )

     {
         // try to convert the current chunk
         size_t lenChunk = WC2MB(NULL, src, 0);
     {
         // try to convert the current chunk
         size_t lenChunk = WC2MB(NULL, src, 0);

-

         if ( lenChunk == wxCONV_FAILED )
             return wxCONV_FAILED;
 
         dstWritten += lenChunk;
         if ( lenChunk == wxCONV_FAILED )
             return wxCONV_FAILED;
 
         dstWritten += lenChunk;

-        if ( isNulTerminated )
+
+        const wchar_t * const
+            chunkEnd = isNulTerminated ? srcEnd - 1 : src + wxWcslen(src);
+
+        // our return value accounts for the trailing NUL(s), unlike that of
+        // WC2MB(), however don't do it for the last NUL we artificially added
+        // ourselves above
+        if ( chunkEnd < srcEnd )

             dstWritten += lenNul;
 
         if ( dst )
             dstWritten += lenNul;
 
         if ( dst )


@@ -341,13 +344,42 @@ wxMBConv::FromWChar(char *dst, size_t dstLen,
             if ( dstWritten > dstLen )
                 return wxCONV_FAILED;
 
             if ( dstWritten > dstLen )
                 return wxCONV_FAILED;
 

-            if ( WC2MB(dst, src, lenChunk + lenNul) == wxCONV_FAILED )
+            // if we know that there is enough space in the destination buffer
+            // (because we accounted for lenNul in dstWritten above), we can
+            // convert directly in place -- but otherwise we need another
+            // temporary buffer to ensure that we don't overwrite the output
+            wxCharBuffer dstBuf;
+            char *dstTmp;
+            if ( chunkEnd == srcEnd )
+            {
+                dstBuf = wxCharBuffer(lenChunk + lenNul - 1);
+                dstTmp = dstBuf.data();
+            }
+            else
+            {
+                dstTmp = dst;
+            }
+
+            if ( WC2MB(dstTmp, src, lenChunk + lenNul) == wxCONV_FAILED )

                 return wxCONV_FAILED;
 
                 return wxCONV_FAILED;
 

+            if ( dstTmp != dst )
+            {
+                // copy everything up to but excluding the terminating NUL(s)
+                // into the real output buffer
+                memcpy(dst, dstTmp, lenChunk);
+
+                // micro-optimization: if dstTmp != dst it means that chunkEnd
+                // == srcEnd and so we're done, no need to update anything below
+                break;
+            }
+

             dst += lenChunk;
             dst += lenChunk;

-            if ( isNulTerminated )
+            if ( chunkEnd < srcEnd )

                 dst += lenNul;
         }
                 dst += lenNul;
         }

+
+        src = chunkEnd;

     }
 
     return dstWritten;
     }
 
     return dstWritten;


@@ -490,6 +522,42 @@ wxMBConv::cWC2MB(const wchar_t *inBuff, size_t inLen, size_t *outLen) const
     return wxCharBuffer();
 }
 
     return wxCharBuffer();
 }
 

+const wxWCharBuffer wxMBConv::cMB2WC(const wxScopedCharBuffer& buf) const
+{
+    const size_t srcLen = buf.length();
+    if ( srcLen )
+    {
+        const size_t dstLen = ToWChar(NULL, 0, buf, srcLen);
+        if ( dstLen != wxCONV_FAILED )
+        {
+            wxWCharBuffer wbuf(dstLen);
+            wbuf.data()[dstLen] = L'\0';
+            if ( ToWChar(wbuf.data(), dstLen, buf, srcLen) != wxCONV_FAILED )
+                return wbuf;
+        }
+    }
+
+    return wxScopedWCharBuffer::CreateNonOwned(L"", 0);
+}
+
+const wxCharBuffer wxMBConv::cWC2MB(const wxScopedWCharBuffer& wbuf) const
+{
+    const size_t srcLen = wbuf.length();
+    if ( srcLen )
+    {
+        const size_t dstLen = FromWChar(NULL, 0, wbuf, srcLen);
+        if ( dstLen != wxCONV_FAILED )
+        {
+            wxCharBuffer buf(dstLen);
+            buf.data()[dstLen] = '\0';
+            if ( FromWChar(buf.data(), dstLen, wbuf, srcLen) != wxCONV_FAILED )
+                return buf;
+        }
+    }
+
+    return wxScopedCharBuffer::CreateNonOwned("", 0);
+}
+

 // ----------------------------------------------------------------------------
 // wxMBConvLibc
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxMBConvLibc
 // ----------------------------------------------------------------------------


@@ -512,8 +580,8 @@ size_t wxMBConvLibc::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 
 wxConvBrokenFileNames::wxConvBrokenFileNames(const wxString& charset)
 {
 
 wxConvBrokenFileNames::wxConvBrokenFileNames(const wxString& charset)
 {

-    if ( wxStricmp(charset, _T("UTF-8")) == 0 ||
-         wxStricmp(charset, _T("UTF8")) == 0  )
+    if ( wxStricmp(charset, wxT("UTF-8")) == 0 ||
+         wxStricmp(charset, wxT("UTF8")) == 0  )

         m_conv = new wxMBConvUTF8(wxMBConvUTF8::MAP_INVALID_UTF8_TO_PUA);
     else
         m_conv = new wxCSConv(charset);
         m_conv = new wxMBConvUTF8(wxMBConvUTF8::MAP_INVALID_UTF8_TO_PUA);
     else
         m_conv = new wxCSConv(charset);


@@ -1137,7 +1205,7 @@ wxMBConvStrictUTF8::FromWChar(char *dst, size_t dstLen,
         }
         else
         {
         }
         else
         {

-            wxFAIL_MSG( _T("trying to encode undefined Unicode character") );
+            wxFAIL_MSG( wxT("trying to encode undefined Unicode character") );

             break;
         }
 
             break;
         }
 


@@ -2045,7 +2113,7 @@ public:
 
     virtual wxMBConv *Clone() const
     {
 
     virtual wxMBConv *Clone() const
     {

-        wxMBConv_iconv *p = new wxMBConv_iconv(m_name.ToAscii());
+        wxMBConv_iconv *p = new wxMBConv_iconv(m_name);

         p->m_minMBCharWidth = m_minMBCharWidth;
         return p;
     }
         p->m_minMBCharWidth = m_minMBCharWidth;
         return p;
     }


@@ -2075,7 +2143,7 @@ private:
 
 
     // name of the encoding handled by this conversion
 
 
     // name of the encoding handled by this conversion

-    wxString m_name;
+    const char *m_name;

 
     // cached result of GetMBNulLen(); set to 0 meaning "unknown"
     // initially
 
     // cached result of GetMBNulLen(); set to 0 meaning "unknown"
     // initially


@@ -2099,28 +2167,28 @@ wxString wxMBConv_iconv::ms_wcCharsetName;
 bool wxMBConv_iconv::ms_wcNeedsSwap = false;
 
 wxMBConv_iconv::wxMBConv_iconv(const char *name)
 bool wxMBConv_iconv::ms_wcNeedsSwap = false;
 
 wxMBConv_iconv::wxMBConv_iconv(const char *name)

-              : m_name(name)
+              : m_name(wxStrdup(name))

 {
     m_minMBCharWidth = 0;
 
     // check for charset that represents wchar_t:
     if ( ms_wcCharsetName.empty() )
     {
 {
     m_minMBCharWidth = 0;
 
     // check for charset that represents wchar_t:
     if ( ms_wcCharsetName.empty() )
     {

-        wxLogTrace(TRACE_STRCONV, _T("Looking for wide char codeset:"));
+        wxLogTrace(TRACE_STRCONV, wxT("Looking for wide char codeset:"));

 
 #if wxUSE_FONTMAP
 
 #if wxUSE_FONTMAP

-        const wxChar **names = wxFontMapperBase::GetAllEncodingNames(WC_ENC);
+        const wxChar *const *names = wxFontMapperBase::GetAllEncodingNames(WC_ENC);

 #else // !wxUSE_FONTMAP
 #else // !wxUSE_FONTMAP

-        static const wxChar *names_static[] =
+        static const wxChar *const names_static[] =

         {
 #if SIZEOF_WCHAR_T == 4
         {
 #if SIZEOF_WCHAR_T == 4

-            _T("UCS-4"),
+            wxT("UCS-4"),

 #elif SIZEOF_WCHAR_T = 2
 #elif SIZEOF_WCHAR_T = 2

-            _T("UCS-2"),
+            wxT("UCS-2"),

 #endif
             NULL
         };
 #endif
             NULL
         };

-        const wxChar **names = names_static;
+        const wxChar *const *names = names_static;

 #endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
 
         for ( ; *names && ms_wcCharsetName.empty(); ++names )
 #endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
 
         for ( ; *names && ms_wcCharsetName.empty(); ++names )


@@ -2131,19 +2199,19 @@ wxMBConv_iconv::wxMBConv_iconv(const char *name)
             wxString nameXE(nameCS);
 
 #ifdef WORDS_BIGENDIAN
             wxString nameXE(nameCS);
 
 #ifdef WORDS_BIGENDIAN

-                nameXE += _T("BE");
+                nameXE += wxT("BE");

 #else // little endian
 #else // little endian

-                nameXE += _T("LE");
+                nameXE += wxT("LE");

 #endif
 
 #endif
 

-            wxLogTrace(TRACE_STRCONV, _T("  trying charset \"%s\""),
+            wxLogTrace(TRACE_STRCONV, wxT("  trying charset \"%s\""),

                        nameXE.c_str());
 
             m2w = iconv_open(nameXE.ToAscii(), name);
             if ( m2w == ICONV_T_INVALID )
             {
                 // try charset w/o bytesex info (e.g. "UCS4")
                        nameXE.c_str());
 
             m2w = iconv_open(nameXE.ToAscii(), name);
             if ( m2w == ICONV_T_INVALID )
             {
                 // try charset w/o bytesex info (e.g. "UCS4")

-                wxLogTrace(TRACE_STRCONV, _T("  trying charset \"%s\""),
+                wxLogTrace(TRACE_STRCONV, wxT("  trying charset \"%s\""),

                            nameCS.c_str());
                 m2w = iconv_open(nameCS.ToAscii(), name);
 
                            nameCS.c_str());
                 m2w = iconv_open(nameCS.ToAscii(), name);
 


@@ -2190,8 +2258,8 @@ wxMBConv_iconv::wxMBConv_iconv(const char *name)
                    wxT("iconv wchar_t charset is \"%s\"%s"),
                    ms_wcCharsetName.empty() ? wxString("<none>")
                                             : ms_wcCharsetName,
                    wxT("iconv wchar_t charset is \"%s\"%s"),
                    ms_wcCharsetName.empty() ? wxString("<none>")
                                             : ms_wcCharsetName,

-                   ms_wcNeedsSwap ? _T(" (needs swap)")
-                                  : _T(""));
+                   ms_wcNeedsSwap ? wxT(" (needs swap)")
+                                  : wxT(""));

     }
     else // we already have ms_wcCharsetName
     {
     }
     else // we already have ms_wcCharsetName
     {


@@ -2216,6 +2284,8 @@ wxMBConv_iconv::wxMBConv_iconv(const char *name)
 
 wxMBConv_iconv::~wxMBConv_iconv()
 {
 
 wxMBConv_iconv::~wxMBConv_iconv()
 {

+    free(const_cast<char *>(m_name));
+

     if ( m2w != ICONV_T_INVALID )
         iconv_close(m2w);
     if ( w2m != ICONV_T_INVALID )
     if ( m2w != ICONV_T_INVALID )
         iconv_close(m2w);
     if ( w2m != ICONV_T_INVALID )


@@ -2667,7 +2737,7 @@ public:
             switch ( len )
             {
                 default:
             switch ( len )
             {
                 default:

-                    wxLogDebug(_T("Unexpected NUL length %d"), len);
+                    wxLogDebug(wxT("Unexpected NUL length %d"), len);

                     self->m_minMBCharWidth = (size_t)-1;
                     break;
 
                     self->m_minMBCharWidth = (size_t)-1;
                     break;
 


@@ -2714,7 +2784,7 @@ private:
                     break;
             }
 
                     break;
             }
 

-            wxASSERT_MSG( s_isWin98Or2k != -1, _T("should be set above") );
+            wxASSERT_MSG( s_isWin98Or2k != -1, wxT("should be set above") );

         }
 
         return s_isWin98Or2k == 1;
         }
 
         return s_isWin98Or2k == 1;


@@ -2875,7 +2945,41 @@ void wxCSConv::Init()
 {
     m_name = NULL;
     m_convReal =  NULL;
 {
     m_name = NULL;
     m_convReal =  NULL;

-    m_deferred = true;
+}
+
+void wxCSConv::SetEncoding(wxFontEncoding encoding)
+{
+    switch ( encoding )
+    {
+        case wxFONTENCODING_MAX:
+        case wxFONTENCODING_SYSTEM:
+            if ( m_name )
+            {
+                // It's ok to not have encoding value if we have a name for it.
+                m_encoding = wxFONTENCODING_SYSTEM;
+            }
+            else // No name neither.
+            {
+                // Fall back to the system default encoding in this case (not
+                // sure how much sense does this make but this is how the old
+                // code used to behave).
+#if wxUSE_INTL
+                m_encoding = wxLocale::GetSystemEncoding();
+                if ( m_encoding == wxFONTENCODING_SYSTEM )
+#endif // wxUSE_INTL
+                    m_encoding = wxFONTENCODING_ISO8859_1;
+            }
+            break;
+
+        case wxFONTENCODING_DEFAULT:
+            // wxFONTENCODING_DEFAULT is same as US-ASCII in this context
+            m_encoding = wxFONTENCODING_ISO8859_1;
+            break;
+
+        default:
+            // Just use the provided encoding.
+            m_encoding = encoding;
+    }

 }
 
 wxCSConv::wxCSConv(const wxString& charset)
 }
 
 wxCSConv::wxCSConv(const wxString& charset)


@@ -2888,34 +2992,28 @@ wxCSConv::wxCSConv(const wxString& charset)
     }
 
 #if wxUSE_FONTMAP
     }
 
 #if wxUSE_FONTMAP

-    m_encoding = wxFontMapperBase::GetEncodingFromName(charset);
-    if ( m_encoding == wxFONTENCODING_MAX )
-    {
-        // set to unknown/invalid value
-        m_encoding = wxFONTENCODING_SYSTEM;
-    }
-    else if ( m_encoding == wxFONTENCODING_DEFAULT )
-    {
-        // wxFONTENCODING_DEFAULT is same as US-ASCII in this context
-        m_encoding = wxFONTENCODING_ISO8859_1;
-    }
+    SetEncoding(wxFontMapperBase::GetEncodingFromName(charset));

 #else
 #else

-    m_encoding = wxFONTENCODING_SYSTEM;
+    SetEncoding(wxFONTENCODING_SYSTEM);

 #endif
 #endif

+
+    m_convReal = DoCreate();

 }
 
 wxCSConv::wxCSConv(wxFontEncoding encoding)
 {
     if ( encoding == wxFONTENCODING_MAX || encoding == wxFONTENCODING_DEFAULT )
     {
 }
 
 wxCSConv::wxCSConv(wxFontEncoding encoding)
 {
     if ( encoding == wxFONTENCODING_MAX || encoding == wxFONTENCODING_DEFAULT )
     {

-        wxFAIL_MSG( _T("invalid encoding value in wxCSConv ctor") );
+        wxFAIL_MSG( wxT("invalid encoding value in wxCSConv ctor") );

 
         encoding = wxFONTENCODING_SYSTEM;
     }
 
     Init();
 
 
         encoding = wxFONTENCODING_SYSTEM;
     }
 
     Init();
 

-    m_encoding = encoding;
+    SetEncoding(encoding);
+
+    m_convReal = DoCreate();

 }
 
 wxCSConv::~wxCSConv()
 }
 
 wxCSConv::~wxCSConv()


@@ -2929,7 +3027,9 @@ wxCSConv::wxCSConv(const wxCSConv& conv)
     Init();
 
     SetName(conv.m_name);
     Init();
 
     SetName(conv.m_name);

-    m_encoding = conv.m_encoding;
+    SetEncoding(conv.m_encoding);
+
+    m_convReal = DoCreate();

 }
 
 wxCSConv& wxCSConv::operator=(const wxCSConv& conv)
 }
 
 wxCSConv& wxCSConv::operator=(const wxCSConv& conv)


@@ -2937,7 +3037,9 @@ wxCSConv& wxCSConv::operator=(const wxCSConv& conv)
     Clear();
 
     SetName(conv.m_name);
     Clear();
 
     SetName(conv.m_name);

-    m_encoding = conv.m_encoding;
+    SetEncoding(conv.m_encoding);
+
+    m_convReal = DoCreate();

 
     return *this;
 }
 
     return *this;
 }


@@ -2945,19 +3047,15 @@ wxCSConv& wxCSConv::operator=(const wxCSConv& conv)
 void wxCSConv::Clear()
 {
     free(m_name);
 void wxCSConv::Clear()
 {
     free(m_name);

-    delete m_convReal;
-

     m_name = NULL;
     m_name = NULL;

-    m_convReal = NULL;
+
+    wxDELETE(m_convReal);

 }
 
 void wxCSConv::SetName(const char *charset)
 {
 }
 
 void wxCSConv::SetName(const char *charset)
 {

-    if (charset)
-    {
+    if ( charset )

         m_name = wxStrdup(charset);
         m_name = wxStrdup(charset);

-        m_deferred = true;
-    }

 }
 
 #if wxUSE_FONTMAP
 }
 
 #if wxUSE_FONTMAP


@@ -2980,8 +3078,7 @@ wxMBConv *wxCSConv::DoCreate() const
     // check for the special case of ASCII or ISO8859-1 charset: as we have
     // special knowledge of it anyhow, we don't need to create a special
     // conversion object
     // check for the special case of ASCII or ISO8859-1 charset: as we have
     // special knowledge of it anyhow, we don't need to create a special
     // conversion object

-    if ( m_encoding == wxFONTENCODING_ISO8859_1 ||
-            m_encoding == wxFONTENCODING_DEFAULT )
+    if ( m_encoding == wxFONTENCODING_ISO8859_1 )

     {
         // don't convert at all
         return NULL;
     {
         // don't convert at all
         return NULL;


@@ -3033,7 +3130,7 @@ wxMBConv *wxCSConv::DoCreate() const
                 delete conv;
             }
 
                 delete conv;
             }
 

-            const wxChar** names = wxFontMapperBase::GetAllEncodingNames(encoding);
+            const wxChar* const* names = wxFontMapperBase::GetAllEncodingNames(encoding);

             // CS : in case this does not return valid names (eg for MacRoman)
             // encoding got a 'failure' entry in the cache all the same,
             // although it just has to be created using a different method, so
             // CS : in case this does not return valid names (eg for MacRoman)
             // encoding got a 'failure' entry in the cache all the same,
             // although it just has to be created using a different method, so


@@ -3056,7 +3153,7 @@ wxMBConv *wxCSConv::DoCreate() const
                     delete conv;
                 }
 
                     delete conv;
                 }
 

-                gs_nameCache[encoding] = _T(""); // cache the failure
+                gs_nameCache[encoding] = wxT(""); // cache the failure

             }
         }
 #endif // wxUSE_FONTMAP
             }
         }
 #endif // wxUSE_FONTMAP


@@ -3146,62 +3243,18 @@ wxMBConv *wxCSConv::DoCreate() const
 
         delete conv;
     }
 
         delete conv;
     }

-#endif // wxUSE_FONTMAP
-
-    // NB: This is a hack to prevent deadlock. What could otherwise happen
-    //     in Unicode build: wxConvLocal creation ends up being here
-    //     because of some failure and logs the error. But wxLog will try to
-    //     attach a timestamp, for which it will need wxConvLocal (to convert
-    //     time to char* and then wchar_t*), but that fails, tries to log the
-    //     error, but wxLog has an (already locked) critical section that
-    //     guards the static buffer.
-    static bool alreadyLoggingError = false;
-    if (!alreadyLoggingError)
-    {
-        alreadyLoggingError = true;
-        wxLogError(_("Cannot convert from the charset '%s'!"),
-                   m_name ? m_name
-                      :
-#if wxUSE_FONTMAP
-                         (const char*)wxFontMapperBase::GetEncodingDescription(m_encoding).ToAscii()
-#else // !wxUSE_FONTMAP
-                         (const char*)wxString::Format(_("encoding %i"), m_encoding).ToAscii()
-#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
-              );

 
 

-        alreadyLoggingError = false;
-    }
+    wxLogTrace(TRACE_STRCONV,
+               wxT("encoding \"%s\" is not supported by this system"),
+               (m_name ? wxString(m_name)
+                       : wxFontMapperBase::GetEncodingName(m_encoding)));
+#endif // wxUSE_FONTMAP

 
     return NULL;
 }
 
 
     return NULL;
 }
 

-void wxCSConv::CreateConvIfNeeded() const
-{
-    if ( m_deferred )
-    {
-        wxCSConv *self = (wxCSConv *)this; // const_cast
-
-        // if we don't have neither the name nor the encoding, use the default
-        // encoding for this system
-        if ( !m_name && m_encoding == wxFONTENCODING_SYSTEM )
-        {
-#if wxUSE_INTL
-            self->m_encoding = wxLocale::GetSystemEncoding();
-#else
-            // fallback to some reasonable default:
-            self->m_encoding = wxFONTENCODING_ISO8859_1;
-#endif // wxUSE_INTL
-        }
-
-        self->m_convReal = DoCreate();
-        self->m_deferred = false;
-    }
-}
-

 bool wxCSConv::IsOk() const
 {
 bool wxCSConv::IsOk() const
 {

-    CreateConvIfNeeded();
-

     // special case: no convReal created for wxFONTENCODING_ISO8859_1
     if ( m_encoding == wxFONTENCODING_ISO8859_1 )
         return true; // always ok as we do it ourselves
     // special case: no convReal created for wxFONTENCODING_ISO8859_1
     if ( m_encoding == wxFONTENCODING_ISO8859_1 )
         return true; // always ok as we do it ourselves


@@ -3214,8 +3267,6 @@ bool wxCSConv::IsOk() const
 size_t wxCSConv::ToWChar(wchar_t *dst, size_t dstLen,
                          const char *src, size_t srcLen) const
 {
 size_t wxCSConv::ToWChar(wchar_t *dst, size_t dstLen,
                          const char *src, size_t srcLen) const
 {

-    CreateConvIfNeeded();
-

     if (m_convReal)
         return m_convReal->ToWChar(dst, dstLen, src, srcLen);
 
     if (m_convReal)
         return m_convReal->ToWChar(dst, dstLen, src, srcLen);
 


@@ -3238,8 +3289,6 @@ size_t wxCSConv::ToWChar(wchar_t *dst, size_t dstLen,
 size_t wxCSConv::FromWChar(char *dst, size_t dstLen,
                            const wchar_t *src, size_t srcLen) const
 {
 size_t wxCSConv::FromWChar(char *dst, size_t dstLen,
                            const wchar_t *src, size_t srcLen) const
 {

-    CreateConvIfNeeded();
-

     if (m_convReal)
         return m_convReal->FromWChar(dst, dstLen, src, srcLen);
 
     if (m_convReal)
         return m_convReal->FromWChar(dst, dstLen, src, srcLen);
 


@@ -3275,12 +3324,8 @@ size_t wxCSConv::FromWChar(char *dst, size_t dstLen,
 
 size_t wxCSConv::GetMBNulLen() const
 {
 
 size_t wxCSConv::GetMBNulLen() const
 {

-    CreateConvIfNeeded();
-

     if ( m_convReal )
     if ( m_convReal )

-    {

         return m_convReal->GetMBNulLen();
         return m_convReal->GetMBNulLen();

-    }

 
     // otherwise, we are ISO-8859-1
     return 1;
 
     // otherwise, we are ISO-8859-1
     return 1;


@@ -3289,12 +3334,8 @@ size_t wxCSConv::GetMBNulLen() const
 #if wxUSE_UNICODE_UTF8
 bool wxCSConv::IsUTF8() const
 {
 #if wxUSE_UNICODE_UTF8
 bool wxCSConv::IsUTF8() const
 {

-    CreateConvIfNeeded();
-

     if ( m_convReal )
     if ( m_convReal )

-    {

         return m_convReal->IsUTF8();
         return m_convReal->IsUTF8();

-    }

 
     // otherwise, we are ISO-8859-1
     return false;
 
     // otherwise, we are ISO-8859-1
     return false;


@@ -3371,6 +3412,8 @@ wxCharBuffer wxSafeConvertWX2MB(const wchar_t *ws)
 
 #ifdef __WINDOWS__
     WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConv_win32, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
 
 #ifdef __WINDOWS__
     WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConv_win32, wxConvLibc, wxEMPTY_PARAMETER_VALUE);

+#elif 0 // defined(__WXOSX__)
+    WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConv_cf, wxConvLibc,  (wxFONTENCODING_UTF8));

 #else
     WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConvLibc, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
 #endif
 #else
     WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConvLibc, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
 #endif


@@ -3391,8 +3434,9 @@ WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent = wxGet_wxConvLibcPtr();
 WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvUI = wxGet_wxConvLocalPtr();
 
 #ifdef __DARWIN__
 WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvUI = wxGet_wxConvLocalPtr();
 
 #ifdef __DARWIN__

-// The xnu kernel always communicates file paths in decomposed UTF-8.
-// WARNING: Are we sure that CFString's conversion will cause decomposition?
+// It is important to use this conversion object under Darwin as it ensures
+// that Unicode strings are (re)composed correctly even though xnu kernel uses
+// decomposed form internally (at least for the file names).

 static wxMBConv_cf wxConvMacUTF8DObj(wxFONTENCODING_UTF8);
 #endif
 
 static wxMBConv_cf wxConvMacUTF8DObj(wxFONTENCODING_UTF8);
 #endif
 


@@ -3402,14 +3446,3 @@ WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvFileName =
 #else // !__DARWIN__
                                     wxGet_wxConvLibcPtr();
 #endif // __DARWIN__/!__DARWIN__
 #else // !__DARWIN__
                                     wxGet_wxConvLibcPtr();
 #endif // __DARWIN__/!__DARWIN__

-
-#else // !wxUSE_WCHAR_T
-
-// FIXME-UTF8: remove this, wxUSE_WCHAR_T is required now
-// stand-ins in absence of wchar_t
-WXDLLIMPEXP_DATA_BASE(wxMBConv) wxConvLibc,
-                                wxConvISO8859_1,
-                                wxConvLocal,
-                                wxConvUTF8;
-
-#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T