Fixed the drawing of the HRules so they don't try to iterate over all

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

diff --git a/src/common/strconv.cpp b/src/common/strconv.cpp
index 1b69297e1d0e1464197178f8e1434d0c295ee8b3..c0dbf63459787d32fb54f6a7906f148a7f5d75e2 100644 (file)
--- a/src/common/strconv.cpp
+++ b/src/common/strconv.cpp
@@ -1,11 +1,11 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        strconv.cpp
 // Purpose:     Unicode conversion classes
 /////////////////////////////////////////////////////////////////////////////
 // Name:        strconv.cpp
 // Purpose:     Unicode conversion classes

-// Author:      Ove Kaaven, Robert Roebling, Vadim Zeitlin
+// Author:      Ove Kaaven, Robert Roebling, Vadim Zeitlin, Vaclav Slavik

 // Modified by:
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     29/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) 1999 Ove Kaaven, Robert Roebling, Vadim Zeitlin
+// Copyright:   (c) 1999 Ove Kaaven, Robert Roebling, Vadim Zeitlin, Vaclav Slavik

 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 


@@ -44,9 +44,6 @@
 #ifdef HAVE_ICONV_H
   #include <iconv.h>
 #endif
 #ifdef HAVE_ICONV_H
   #include <iconv.h>
 #endif

-#ifdef HAVE_LANGINFO_H
-  #include <langinfo.h>
-#endif

 
 #ifdef __WXMSW__
   #include <windows.h>
 
 #ifdef __WXMSW__
   #include <windows.h>


@@ -57,24 +54,35 @@
 #include "wx/intl.h"
 #include "wx/log.h"
 
 #include "wx/intl.h"
 #include "wx/log.h"
 

-#if defined(WORDS_BIGENDIAN) || defined(__STDC_ISO_10646__)
-#define BSWAP_UCS4(str, len)
-#define BSWAP_UCS2(str, len)
-#else

 #define BSWAP_UCS4(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT32_SWAP_ALWAYS(str[_c]); }
 #define BSWAP_UCS4(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT32_SWAP_ALWAYS(str[_c]); }

-#define BSWAP_UCS2(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT16_SWAP_ALWAYS(str[_c]); }
-#define WC_NEED_BSWAP
-#endif
-#define BSWAP_UTF32(str, len) BSWAP_UCS4(str, len)
-#define BSWAP_UTF16(str, len) BSWAP_UCS2(str, len)
+#define BSWAP_UTF16(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT16_SWAP_ALWAYS(str[_c]); }
+
+// under Unix SIZEOF_WCHAR_T is defined by configure, but under other platforms
+// it might be not defined - assume the most common value
+#ifndef SIZEOF_WCHAR_T
+    #define SIZEOF_WCHAR_T 2
+#endif // !defined(SIZEOF_WCHAR_T)

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

-#define WC_NAME "UCS4"
-#define WC_BSWAP BSWAP_UCS4
+    #define WC_NAME         "UCS4"
+    #define WC_BSWAP         BSWAP_UCS4
+    #ifdef WORDS_BIGENDIAN
+      #define WC_NAME_BEST  "UCS-4BE"
+    #else
+      #define WC_NAME_BEST  "UCS-4LE"
+    #endif

 #elif SIZEOF_WCHAR_T == 2
 #elif SIZEOF_WCHAR_T == 2

-#define WC_NAME "UTF16"
-#define WC_BSWAP BSWAP_UTF16
-#define WC_UTF16
+    #define WC_NAME         "UTF16"
+    #define WC_BSWAP         BSWAP_UTF16
+    #define WC_UTF16
+    #ifdef WORDS_BIGENDIAN
+      #define WC_NAME_BEST  "UTF-16BE"
+    #else
+      #define WC_NAME_BEST  "UTF-16LE"
+    #endif
+#else // sizeof(wchar_t) != 2 nor 4
+    // I don't know what to do about this
+    #error "Weird sizeof(wchar_t): please report your platform details to wx-users mailing list"

 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------


@@ -91,20 +99,20 @@ WXDLLEXPORT_DATA(wxMBConv *) wxConvCurrent = &wxConvLibc;
 
 #ifdef WC_UTF16
 
 
 #ifdef WC_UTF16
 

-static size_t encode_utf16(wxUint32 input,wxUint16*output)
+static size_t encode_utf16(wxUint32 input, wchar_t *output)

 {
 {

-    if (input<=0xffff) 
+    if (input<=0xffff)

     {
         if (output) *output++ = input;
         return 1;
     {
         if (output) *output++ = input;
         return 1;

-    } 
-    else if (input>=0x110000) 
+    }
+    else if (input>=0x110000)

     {
         return (size_t)-1;
     {
         return (size_t)-1;

-    } 
-    else 
+    }
+    else

     {
     {

-        if (output) 
+        if (output)

         {
             *output++ = (input >> 10)+0xd7c0;
             *output++ = (input&0x3ff)+0xdc00;
         {
             *output++ = (input >> 10)+0xd7c0;
             *output++ = (input&0x3ff)+0xdc00;


@@ -113,19 +121,19 @@ static size_t encode_utf16(wxUint32 input,wxUint16*output)
     }
 }
 
     }
 }
 

-static size_t decode_utf16(wxUint16*input,wxUint32&output)
+static size_t decode_utf16(const wchar_t* input, wxUint32& output)

 {
 {

-    if ((*input<0xd800) || (*input>0xdfff)) 
+    if ((*input<0xd800) || (*input>0xdfff))

     {
         output = *input;
         return 1;
     {
         output = *input;
         return 1;

-    } 
-    else if ((input[1]<0xdc00) || (input[1]>=0xdfff)) 
+    }
+    else if ((input[1]<0xdc00) || (input[1]>=0xdfff))

     {
         output = *input;
         return (size_t)-1;
     {
         output = *input;
         return (size_t)-1;

-    } 
-    else 
+    }
+    else

     {
         output = ((input[0] - 0xd7c0) << 10) + (input[1] - 0xdc00);
         return 2;
     {
         output = ((input[0] - 0xd7c0) << 10) + (input[1] - 0xdc00);
         return 2;


@@ -209,11 +217,11 @@ WXDLLEXPORT_DATA(wxMBConvGdk) wxConvGdk;
 
 size_t wxMBConvGdk::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 {
 
 size_t wxMBConvGdk::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 {

-    if (buf) 
+    if (buf)

     {
         return gdk_mbstowcs((GdkWChar *)buf, psz, n);
     {
         return gdk_mbstowcs((GdkWChar *)buf, psz, n);

-    } 
-    else 
+    }
+    else

     {
         GdkWChar *nbuf = new GdkWChar[n=strlen(psz)];
         size_t len = gdk_mbstowcs(nbuf, psz, n);
     {
         GdkWChar *nbuf = new GdkWChar[n=strlen(psz)];
         size_t len = gdk_mbstowcs(nbuf, psz, n);


@@ -226,12 +234,12 @@ size_t wxMBConvGdk::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 {
     char *mbstr = gdk_wcstombs((GdkWChar *)psz);
     size_t len = mbstr ? strlen(mbstr) : 0;
 {
     char *mbstr = gdk_wcstombs((GdkWChar *)psz);
     size_t len = mbstr ? strlen(mbstr) : 0;

-    if (buf) 
+    if (buf)

     {
     {

-        if (len > n) 
+        if (len > n)

             len = n;
         memcpy(buf, psz, len);
             len = n;
         memcpy(buf, psz, len);

-        if (len < n) 
+        if (len < n)

             buf[len] = 0;
     }
     return len;
             buf[len] = 0;
     }
     return len;


@@ -276,49 +284,49 @@ size_t wxMBConvUTF7::WC2MB(char * WXUNUSED(buf),
 
 WXDLLEXPORT_DATA(wxMBConvUTF8) wxConvUTF8;
 
 
 WXDLLEXPORT_DATA(wxMBConvUTF8) wxConvUTF8;
 

-static wxUint32 utf8_max[]= 
+static wxUint32 utf8_max[]=

     { 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff, 0xffffffff };
 
 size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 {
     size_t len = 0;
 
     { 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff, 0xffffffff };
 
 size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 {
     size_t len = 0;
 

-    while (*psz && ((!buf) || (len < n))) 
+    while (*psz && ((!buf) || (len < n)))

     {
         unsigned char cc = *psz++, fc = cc;
         unsigned cnt;
     {
         unsigned char cc = *psz++, fc = cc;
         unsigned cnt;

-        for (cnt = 0; fc & 0x80; cnt++) 
+        for (cnt = 0; fc & 0x80; cnt++)

             fc <<= 1;
             fc <<= 1;

-        if (!cnt) 
+        if (!cnt)

         {
             // plain ASCII char
         {
             // plain ASCII char

-            if (buf) 
+            if (buf)

                 *buf++ = cc;
             len++;
                 *buf++ = cc;
             len++;

-        } 
-        else 
+        }
+        else

         {
             cnt--;
         {
             cnt--;

-            if (!cnt) 
+            if (!cnt)

             {
                 // invalid UTF-8 sequence
                 return (size_t)-1;
             {
                 // invalid UTF-8 sequence
                 return (size_t)-1;

-            } 
-            else 
+            }
+            else

             {
                 unsigned ocnt = cnt - 1;
                 wxUint32 res = cc & (0x3f >> cnt);
             {
                 unsigned ocnt = cnt - 1;
                 wxUint32 res = cc & (0x3f >> cnt);

-                while (cnt--) 
+                while (cnt--)

                 {
                     cc = *psz++;
                 {
                     cc = *psz++;

-                    if ((cc & 0xC0) != 0x80) 
+                    if ((cc & 0xC0) != 0x80)

                     {
                         // invalid UTF-8 sequence
                         return (size_t)-1;
                     }
                     res = (res << 6) | (cc & 0x3f);
                 }
                     {
                         // invalid UTF-8 sequence
                         return (size_t)-1;
                     }
                     res = (res << 6) | (cc & 0x3f);
                 }

-                if (res <= utf8_max[ocnt]) 
+                if (res <= utf8_max[ocnt])

                 {
                     // illegal UTF-8 encoding
                     return (size_t)-1;
                 {
                     // illegal UTF-8 encoding
                     return (size_t)-1;


@@ -327,18 +335,18 @@ size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
                 size_t pa = encode_utf16(res, buf);
                 if (pa == (size_t)-1)
                   return (size_t)-1;
                 size_t pa = encode_utf16(res, buf);
                 if (pa == (size_t)-1)
                   return (size_t)-1;

-                if (buf) 
+                if (buf)

                     buf += pa;
                 len += pa;
 #else
                     buf += pa;
                 len += pa;
 #else

-                if (buf) 
+                if (buf)

                     *buf++ = res;
                 len++;
 #endif
             }
         }
     }
                     *buf++ = res;
                 len++;
 #endif
             }
         }
     }

-    if (buf && (len < n)) 
+    if (buf && (len < n))

         *buf = 0;
     return len;
 }
         *buf = 0;
     return len;
 }


@@ -347,29 +355,29 @@ size_t wxMBConvUTF8::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 {
     size_t len = 0;
 
 {
     size_t len = 0;
 

-    while (*psz && ((!buf) || (len < n))) 
+    while (*psz && ((!buf) || (len < n)))

     {
         wxUint32 cc;
 #ifdef WC_UTF16
     {
         wxUint32 cc;
 #ifdef WC_UTF16

-        size_t pa = decode_utf16(psz,cc);
+        size_t pa = decode_utf16(psz, cc);

         psz += (pa == (size_t)-1) ? 1 : pa;
 #else
         cc=(*psz++) & 0x7fffffff;
 #endif
         unsigned cnt;
         for (cnt = 0; cc > utf8_max[cnt]; cnt++) {}
         psz += (pa == (size_t)-1) ? 1 : pa;
 #else
         cc=(*psz++) & 0x7fffffff;
 #endif
         unsigned cnt;
         for (cnt = 0; cc > utf8_max[cnt]; cnt++) {}

-        if (!cnt) 
+        if (!cnt)

         {
             // plain ASCII char
         {
             // plain ASCII char

-            if (buf) 
+            if (buf)

                 *buf++ = cc;
             len++;
                 *buf++ = cc;
             len++;

-        } 
-    
-        else 
+        }
+
+        else

         {
             len += cnt + 1;
         {
             len += cnt + 1;

-            if (buf) 
+            if (buf)

             {
                 *buf++ = (-128 >> cnt) | ((cc >> (cnt * 6)) & (0x3f >> cnt));
                 while (cnt--)
             {
                 *buf++ = (-128 >> cnt) | ((cc >> (cnt * 6)) & (0x3f >> cnt));
                 while (cnt--)


@@ -396,24 +404,24 @@ WXDLLEXPORT_DATA(wxCSConv) wxConvLocal((const wxChar *)NULL);
 // - perhaps common encodings to objects ("UTF8" -> wxConvUTF8)
 // - move wxEncodingConverter meat in here
 
 // - perhaps common encodings to objects ("UTF8" -> wxConvUTF8)
 // - move wxEncodingConverter meat in here
 

-#ifdef __WIN32__
+#if defined(__WIN32__) && !defined(__WXMICROWIN__)

 #include "wx/msw/registry.h"
 // this should work if M$ Internet Exploiter is installed
 static long CharsetToCodepage(const wxChar *name)
 {
 #include "wx/msw/registry.h"
 // this should work if M$ Internet Exploiter is installed
 static long CharsetToCodepage(const wxChar *name)
 {

-    if (!name) 
+    if (!name)

         return GetACP();
         return GetACP();

-        
+

     long CP=-1;
     long CP=-1;

-    
+

     wxString cn(name);
     do {
         wxString path(wxT("MIME\\Database\\Charset\\"));
         path += cn;
         wxRegKey key(wxRegKey::HKCR, path);
 
     wxString cn(name);
     do {
         wxString path(wxT("MIME\\Database\\Charset\\"));
         path += cn;
         wxRegKey key(wxRegKey::HKCR, path);
 

-        if (!key.Exists()) continue;
-        
+        if (!key.Exists()) break;
+

         // two cases: either there's an AliasForCharset string,
         // or there are Codepage and InternetEncoding dwords.
         // The InternetEncoding gives us the actual encoding,
         // two cases: either there's an AliasForCharset string,
         // or there are Codepage and InternetEncoding dwords.
         // The InternetEncoding gives us the actual encoding,


@@ -421,12 +429,12 @@ static long CharsetToCodepage(const wxChar *name)
         // use when displaying the data.
         if (key.HasValue(wxT("InternetEncoding")) &&
             key.QueryValue(wxT("InternetEncoding"), &CP)) break;
         // use when displaying the data.
         if (key.HasValue(wxT("InternetEncoding")) &&
             key.QueryValue(wxT("InternetEncoding"), &CP)) break;

-        
+

         // no encoding, see if it's an alias
         if (!key.HasValue(wxT("AliasForCharset")) ||
             !key.QueryValue(wxT("AliasForCharset"), cn)) break;
     } while (1);
         // no encoding, see if it's an alias
         if (!key.HasValue(wxT("AliasForCharset")) ||
             !key.QueryValue(wxT("AliasForCharset"), cn)) break;
     } while (1);

-    
+

     return CP;
 }
 #endif
     return CP;
 }
 #endif


@@ -438,7 +446,7 @@ public:
         : cname(name) {}
     virtual ~wxCharacterSet()
         {}
         : cname(name) {}
     virtual ~wxCharacterSet()
         {}

-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) 
+    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n)

         { return (size_t)-1; }
     virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
         { return (size_t)-1; }
         { return (size_t)-1; }
     virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
         { return (size_t)-1; }


@@ -453,13 +461,13 @@ class ID_CharSet : public wxCharacterSet
 public:
     ID_CharSet(const wxChar *name,wxMBConv *cnv)
         : wxCharacterSet(name), work(cnv) {}
 public:
     ID_CharSet(const wxChar *name,wxMBConv *cnv)
         : wxCharacterSet(name), work(cnv) {}

-        
+

     size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
         { return work ? work->MB2WC(buf,psz,n) : (size_t)-1; }
     size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
         { return work ? work->MB2WC(buf,psz,n) : (size_t)-1; }

-        
+

     size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
         { return work ? work->WC2MB(buf,psz,n) : (size_t)-1; }
     size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
         { return work ? work->WC2MB(buf,psz,n) : (size_t)-1; }

-        
+

     bool usable()
         { return work!=NULL; }
 public:
     bool usable()
         { return work!=NULL; }
 public:


@@ -469,6 +477,9 @@ public:
 
 #ifdef HAVE_ICONV_H
 
 
 #ifdef HAVE_ICONV_H
 

+bool g_wcNeedsSwap = FALSE;
+static const char *g_wcCharset = NULL;
+

 // VS: glibc 2.1.3 is broken in that iconv() conversion to/from UCS4 fails with E2BIG
 //     if output buffer is _exactly_ as big as needed. Such case is (unless there's
 //     yet another bug in glibc) the only case when iconv() returns with (size_t)-1
 // VS: glibc 2.1.3 is broken in that iconv() conversion to/from UCS4 fails with E2BIG
 //     if output buffer is _exactly_ as big as needed. Such case is (unless there's
 //     yet another bug in glibc) the only case when iconv() returns with (size_t)-1


@@ -486,21 +497,85 @@ public:
 class IC_CharSet : public wxCharacterSet
 {
 public:
 class IC_CharSet : public wxCharacterSet
 {
 public:

-    IC_CharSet(const wxChar *name) 
+    IC_CharSet(const wxChar *name)

         : wxCharacterSet(name)
     {
         : wxCharacterSet(name)
     {

-        m2w = iconv_open(WC_NAME, wxConvLibc.cWX2MB(cname));
-        w2m = iconv_open(wxConvLibc.cWX2MB(cname), WC_NAME);
+        // check for charset that represents wchar_t:
+        if (g_wcCharset == NULL)
+        {
+            g_wcNeedsSwap = FALSE;
+
+            // try charset with explicit bytesex info (e.g. "UCS-4LE"):
+            g_wcCharset = WC_NAME_BEST;
+            m2w = iconv_open(g_wcCharset, wxConvLibc.cWX2MB(name));
+
+            if (m2w == (iconv_t)-1)
+            {
+                // try charset w/o bytesex info (e.g. "UCS4")
+                // and check for bytesex ourselves: 
+                g_wcCharset = WC_NAME;
+                m2w = iconv_open(g_wcCharset, wxConvLibc.cWX2MB(name));
+
+                // last bet, try if it knows WCHAR_T pseudo-charset
+                if (m2w == (iconv_t)-1)
+                {
+                    g_wcCharset = "WCHAR_T";
+                    m2w = iconv_open(g_wcCharset, wxConvLibc.cWX2MB(name));
+                }
+                
+                if (m2w != (iconv_t)-1)
+                {
+                    char    buf[2], *bufPtr;
+                    wchar_t wbuf[2], *wbufPtr;
+                    size_t  insz, outsz;
+                    size_t  res;
+                    
+                    buf[0] = 'A';
+                    buf[1] = 0;
+                    wbuf[0] = 0;
+                    insz = 2;
+                    outsz = SIZEOF_WCHAR_T * 2;
+                    wbufPtr = wbuf;
+                    bufPtr = buf;
+
+                    #ifdef WX_ICONV_TAKES_CHAR
+                    res = iconv(m2w, (char**)&bufPtr, &insz, (char**)&wbufPtr, &outsz);
+                    #else
+                    res = iconv(m2w, (const char**)&bufPtr, &insz, (char**)&wbufPtr, &outsz);
+                    #endif
+                    if (ICONV_FAILED(res, insz))
+                    {
+                        g_wcCharset = NULL;
+                        wxLogLastError(wxT("iconv"));
+                        wxLogError(_("Convertion to charset '%s' doesn't work."), name);
+                    }
+                    else
+                    {
+                        g_wcNeedsSwap = (wbuf[0] != (wchar_t)buf[0]);
+                    }
+                }
+                else
+                {
+                    g_wcCharset = NULL;
+                    wxLogError(_("Don't know how to convert to/from charset '%s'."), name);
+                }
+            }
+            wxLogTrace(wxT("strconv"), wxT("wchar_t charset is '%s', needs swap: %i"), g_wcCharset, g_wcNeedsSwap);
+        }
+        else
+            m2w = iconv_open(g_wcCharset, wxConvLibc.cWX2MB(name));
+    
+        w2m = iconv_open(wxConvLibc.cWX2MB(name), g_wcCharset);

     }
     
     }
     

-    ~IC_CharSet()
+    ~IC_CharSet() 

     {
     {

-        if ( m2w != (iconv_t)-1 ) 
+        if ( m2w != (iconv_t)-1 )

             iconv_close(m2w);
             iconv_close(m2w);

-        if ( w2m != (iconv_t)-1 ) 
+        if ( w2m != (iconv_t)-1 )

             iconv_close(w2m);
     }
             iconv_close(w2m);
     }

-    
+

     size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
     {
         size_t inbuf = strlen(psz);
     size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
     {
         size_t inbuf = strlen(psz);


@@ -519,10 +594,12 @@ public:
             cres = iconv(m2w, &pszPtr, &inbuf, (char**)&bufPtr, &outbuf);
 #endif
             res = n - (outbuf / SIZEOF_WCHAR_T);
             cres = iconv(m2w, &pszPtr, &inbuf, (char**)&bufPtr, &outbuf);
 #endif
             res = n - (outbuf / SIZEOF_WCHAR_T);

-            // convert to native endianness
-#ifdef WC_NEED_BSWAP
-            WC_BSWAP(buf /* _not_ bufPtr */, res)
-#endif
+
+            if (g_wcNeedsSwap)
+            {
+                // convert to native endianness
+                WC_BSWAP(buf /* _not_ bufPtr */, res)
+            }

         }
         else
         {
         }
         else
         {


@@ -540,13 +617,17 @@ public:
                 res += 8-(outbuf/SIZEOF_WCHAR_T);
             } while ((cres==(size_t)-1) && (errno==E2BIG));
         }
                 res += 8-(outbuf/SIZEOF_WCHAR_T);
             } while ((cres==(size_t)-1) && (errno==E2BIG));
         }

-        
+

         if (ICONV_FAILED(cres, inbuf))
         if (ICONV_FAILED(cres, inbuf))

+        {
+            //VS: it is ok if iconv fails, hence trace only
+            wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));

             return (size_t)-1;
             return (size_t)-1;

+        }

 
         return res;
     }
 
         return res;
     }

-    
+

     size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
     {
 #if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
     size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
     {
 #if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)


@@ -556,17 +637,21 @@ public:
 #endif
         size_t outbuf = n;
         size_t res, cres;
 #endif
         size_t outbuf = n;
         size_t res, cres;

+        
+        wchar_t *tmpbuf;
+
+        if (g_wcNeedsSwap)
+        {
+            // need to copy to temp buffer to switch endianness
+            // this absolutely doesn't rock!
+            // (no, doing WC_BSWAP twice on the original buffer won't help, as it
+            //  could be in read-only memory, or be accessed in some other thread)
+            tmpbuf=(wchar_t*)malloc((inbuf+1)*SIZEOF_WCHAR_T);
+            memcpy(tmpbuf,psz,(inbuf+1)*SIZEOF_WCHAR_T);
+            WC_BSWAP(tmpbuf, inbuf)
+            psz=tmpbuf;
+        }

 
 

-#ifdef WC_NEED_BSWAP
-        // need to copy to temp buffer to switch endianness
-        // this absolutely doesn't rock!
-        // (no, doing WC_BSWAP twice on the original buffer won't help, as it
-        //  could be in read-only memory, or be accessed in some other thread)
-        wchar_t *tmpbuf=(wchar_t*)malloc((inbuf+1)*SIZEOF_WCHAR_T);
-        memcpy(tmpbuf,psz,(inbuf+1)*SIZEOF_WCHAR_T);
-        WC_BSWAP(tmpbuf, inbuf)
-        psz=tmpbuf;
-#endif

         if (buf)
         {
             // have destination buffer, convert there
         if (buf)
         {
             // have destination buffer, convert there


@@ -593,58 +678,71 @@ public:
                 res += 16 - outbuf;
             } while ((cres==(size_t)-1) && (errno==E2BIG));
         }
                 res += 16 - outbuf;
             } while ((cres==(size_t)-1) && (errno==E2BIG));
         }

-#ifdef WC_NEED_BSWAP
-        free(tmpbuf);
-#endif
+
+        if (g_wcNeedsSwap)
+        {
+            free(tmpbuf);
+        }
+

         if (ICONV_FAILED(cres, inbuf))
         if (ICONV_FAILED(cres, inbuf))

+        {
+            //VS: it is ok if iconv fails, hence trace only
+            wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));

             return (size_t)-1;
             return (size_t)-1;

-            
+        }
+

         return res;
     }
         return res;
     }

-    
+

     bool usable()
         { return (m2w != (iconv_t)-1) && (w2m != (iconv_t)-1); }
     bool usable()
         { return (m2w != (iconv_t)-1) && (w2m != (iconv_t)-1); }

-  
-public:
+
+protected:

     iconv_t m2w, w2m;
 };
 #endif
 
     iconv_t m2w, w2m;
 };
 #endif
 

-#ifdef __WIN32__
+#if defined(__WIN32__) && !defined(__WXMICROWIN__)

 class CP_CharSet : public wxCharacterSet
 {
 public:
 class CP_CharSet : public wxCharacterSet
 {
 public:

-    CP_CharSet(const wxChar*name) 
+    CP_CharSet(const wxChar*name)

         : wxCharacterSet(name), CodePage(CharsetToCodepage(name)) {}
         : wxCharacterSet(name), CodePage(CharsetToCodepage(name)) {}

-        
+

     size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
     {
     size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
     {

-        size_t len = 
+        size_t len =

             MultiByteToWideChar(CodePage, 0, psz, -1, buf, buf ? n : 0);
             MultiByteToWideChar(CodePage, 0, psz, -1, buf, buf ? n : 0);

-        return len ? len : (size_t)-1;
+        //VS: returns # of written chars for buf!=NULL and *size*
+        //    needed buffer for buf==NULL
+        return len ? (buf ? len : len-1) : (size_t)-1;

     }
     }

-    
+

     size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
     {
         size_t len = WideCharToMultiByte(CodePage, 0, psz, -1, buf,
                                          buf ? n : 0, NULL, NULL);
     size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
     {
         size_t len = WideCharToMultiByte(CodePage, 0, psz, -1, buf,
                                          buf ? n : 0, NULL, NULL);

-        return len ? len : (size_t)-1;
+        //VS: returns # of written chars for buf!=NULL and *size*
+        //    needed buffer for buf==NULL
+        return len ? (buf ? len : len-1) : (size_t)-1;

     }
     }

-    
+

     bool usable()
         { return CodePage != -1; }
 
 public:
     long CodePage;
 };
     bool usable()
         { return CodePage != -1; }
 
 public:
     long CodePage;
 };

-#endif
+#endif // __WIN32__
+
+#if wxUSE_FONTMAP

 
 class EC_CharSet : public wxCharacterSet
 {
 public:
     // temporarily just use wxEncodingConverter stuff,
     // so that it works while a better implementation is built
 
 class EC_CharSet : public wxCharacterSet
 {
 public:
     // temporarily just use wxEncodingConverter stuff,
     // so that it works while a better implementation is built

-    EC_CharSet(const wxChar*name) : wxCharacterSet(name), 
+    EC_CharSet(const wxChar*name) : wxCharacterSet(name),

                                     enc(wxFONTENCODING_SYSTEM)
     {
         if (name)
                                     enc(wxFONTENCODING_SYSTEM)
     {
         if (name)


@@ -652,15 +750,15 @@ public:
         m2w.Init(enc, wxFONTENCODING_UNICODE);
         w2m.Init(wxFONTENCODING_UNICODE, enc);
     }
         m2w.Init(enc, wxFONTENCODING_UNICODE);
         w2m.Init(wxFONTENCODING_UNICODE, enc);
     }

-    
+

     size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
     {
         size_t inbuf = strlen(psz);
     size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
     {
         size_t inbuf = strlen(psz);

-        if (buf) 
+        if (buf)

             m2w.Convert(psz,buf);
         return inbuf;
     }
             m2w.Convert(psz,buf);
         return inbuf;
     }

-    
+

     size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
     {
 #if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
     size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
     {
 #if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)


@@ -670,10 +768,10 @@ public:
 #endif
         if (buf)
             w2m.Convert(psz,buf);
 #endif
         if (buf)
             w2m.Convert(psz,buf);

-            
+

         return inbuf;
     }
         return inbuf;
     }

-    
+

     bool usable()
         { return (enc!=wxFONTENCODING_SYSTEM) && (enc!=wxFONTENCODING_DEFAULT); }
 
     bool usable()
         { return (enc!=wxFONTENCODING_SYSTEM) && (enc!=wxFONTENCODING_DEFAULT); }
 


@@ -682,6 +780,8 @@ public:
     wxEncodingConverter m2w, w2m;
 };
 
     wxEncodingConverter m2w, w2m;
 };
 

+#endif // wxUSE_FONTMAP
+

 static wxCharacterSet *wxGetCharacterSet(const wxChar *name)
 {
     wxCharacterSet *cset = NULL;
 static wxCharacterSet *wxGetCharacterSet(const wxChar *name)
 {
     wxCharacterSet *cset = NULL;


@@ -698,17 +798,30 @@ static wxCharacterSet *wxGetCharacterSet(const wxChar *name)
 #endif
         }
     }
 #endif
         }
     }

-    
-    if (cset && cset->usable()) return cset;
-    if (cset) delete cset;
-    cset = NULL;
-#ifdef __WIN32__
+
+    if (cset && cset->usable())
+        return cset;
+
+    if (cset)
+    {
+        delete cset;
+        cset = NULL;
+    }
+
+#if defined(__WIN32__) && !defined(__WXMICROWIN__)

     cset = new CP_CharSet(name); // may take NULL
     cset = new CP_CharSet(name); // may take NULL

-    if (cset->usable()) return cset;
-#endif
-    if (cset) delete cset;
+    if (cset->usable())
+        return cset;
+
+    delete cset;
+#endif // __WIN32__
+
+#if wxUSE_FONTMAP

     cset = new EC_CharSet(name);
     cset = new EC_CharSet(name);

-    if (cset->usable()) return cset;
+    if (cset->usable())
+        return cset;
+#endif // wxUSE_FONTMAP
+

     delete cset;
     wxLogError(_("Unknown encoding '%s'!"), name);
     return NULL;
     delete cset;
     wxLogError(_("Unknown encoding '%s'!"), name);
     return NULL;


@@ -716,16 +829,17 @@ static wxCharacterSet *wxGetCharacterSet(const wxChar *name)
 
 wxCSConv::wxCSConv(const wxChar *charset)
 {
 
 wxCSConv::wxCSConv(const wxChar *charset)
 {

-    m_name = (wxChar *) NULL;
+    m_name = (wxChar *)NULL;

     m_cset = (wxCharacterSet *) NULL;
     m_deferred = TRUE;
     m_cset = (wxCharacterSet *) NULL;
     m_deferred = TRUE;

+

     SetName(charset);
 }
 
 wxCSConv::~wxCSConv()
 {
     SetName(charset);
 }
 
 wxCSConv::~wxCSConv()
 {

-    if (m_name) free(m_name);
-    if (m_cset) delete m_cset;
+    free(m_name);
+    delete m_cset;

 }
 
 void wxCSConv::SetName(const wxChar *charset)
 }
 
 void wxCSConv::SetName(const wxChar *charset)


@@ -741,40 +855,15 @@ void wxCSConv::LoadNow()
 {
     if (m_deferred)
     {
 {
     if (m_deferred)
     {

-        if (!m_name)
+        if ( !m_name )

         {
         {

-#ifdef __UNIX__
-#if defined(HAVE_LANGINFO_H) && defined(CODESET)
-            // GNU libc provides current character set this way
-            char *alang = nl_langinfo(CODESET);
-            if (alang)
-            {
-                SetName(wxConvLibc.cMB2WX(alang));
-            }
-            else
-#endif
-            {
-                // if we can't get at the character set directly,
-                // try to see if it's in the environment variables
-                // (in most cases this won't work, but I was out of ideas)
-                wxChar *lang = wxGetenv(wxT("LC_ALL"));
-                wxChar *dot = lang ? wxStrchr(lang, wxT('.')) : (wxChar *)NULL;
-                if (!dot)
-                {
-                    lang = wxGetenv(wxT("LC_CTYPE"));
-                    dot = lang ? wxStrchr(lang, wxT('.')) : (wxChar *)NULL;
-                }
-                if (!dot)
-                {
-                    lang = wxGetenv(wxT("LANG"));
-                    dot = lang ? wxStrchr(lang, wxT('.')) : (wxChar *)NULL;
-                }
-                if (dot)
-                    SetName(dot+1);
-            }
-#endif
+            wxString name = wxLocale::GetSystemEncodingName();
+            if ( !name.empty() )
+                SetName(name);

         }
         }

-        m_cset = wxGetCharacterSet(m_name);
+
+        // wxGetCharacterSet() complains about NULL name
+        m_cset = m_name ? wxGetCharacterSet(m_name) : NULL;

         m_deferred = FALSE;
     }
 }
         m_deferred = FALSE;
     }
 }


@@ -782,26 +871,26 @@ void wxCSConv::LoadNow()
 size_t wxCSConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 {
     ((wxCSConv *)this)->LoadNow(); // discard constness
 size_t wxCSConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 {
     ((wxCSConv *)this)->LoadNow(); // discard constness

-    
+

     if (m_cset)
         return m_cset->MB2WC(buf, psz, n);
 
     // latin-1 (direct)
     size_t len = strlen(psz);
     if (m_cset)
         return m_cset->MB2WC(buf, psz, n);
 
     // latin-1 (direct)
     size_t len = strlen(psz);

-    
+

     if (buf)
     {
         for (size_t c = 0; c <= len; c++)
             buf[c] = (unsigned char)(psz[c]);
     }
     if (buf)
     {
         for (size_t c = 0; c <= len; c++)
             buf[c] = (unsigned char)(psz[c]);
     }

-    
+

     return len;
 }
 
 size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 {
     ((wxCSConv *)this)->LoadNow(); // discard constness
     return len;
 }
 
 size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 {
     ((wxCSConv *)this)->LoadNow(); // discard constness

-    
+

     if (m_cset)
         return m_cset->WC2MB(buf, psz, n);
 
     if (m_cset)
         return m_cset->WC2MB(buf, psz, n);
 


@@ -816,26 +905,27 @@ size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
         for (size_t c = 0; c <= len; c++)
             buf[c] = (psz[c] > 0xff) ? '?' : psz[c];
     }
         for (size_t c = 0; c <= len; c++)
             buf[c] = (psz[c] > 0xff) ? '?' : psz[c];
     }

-    
+

     return len;
 }
 
 #ifdef HAVE_ICONV_H
     return len;
 }
 
 #ifdef HAVE_ICONV_H

+

 class IC_CharSetConverter
 {
 public:
     IC_CharSetConverter(IC_CharSet *from, IC_CharSet *to)
     {
 class IC_CharSetConverter
 {
 public:
     IC_CharSetConverter(IC_CharSet *from, IC_CharSet *to)
     {

-        cnv = iconv_open(wxConvLibc.cWX2MB(to->cname), 
-                         wxConvLibc.cWX2MB(from->cname)); 
+        cnv = iconv_open(wxConvLibc.cWX2MB(to->cname),
+                         wxConvLibc.cWX2MB(from->cname));

     }
     }

-        
+

     ~IC_CharSetConverter()
     ~IC_CharSetConverter()

-    { 
-        if (cnv != (iconv_t)-1) 
-            iconv_close(cnv); 
+    {
+        if (cnv != (iconv_t)-1)
+            iconv_close(cnv);

     }
     }

-        
+

     size_t Convert(char *buf, const char *psz, size_t n)
     {
         size_t inbuf = strlen(psz);
     size_t Convert(char *buf, const char *psz, size_t n)
     {
         size_t inbuf = strlen(psz);


@@ -845,7 +935,7 @@ public:
 #else
         size_t res = iconv( cnv, &psz, &inbuf, &buf, &outbuf );
 #endif
 #else
         size_t res = iconv( cnv, &psz, &inbuf, &buf, &outbuf );
 #endif

-        if (res == (size_t)-1) 
+        if (res == (size_t)-1)

             return (size_t)-1;
         return (n - outbuf);
     }
             return (size_t)-1;
         return (n - outbuf);
     }


@@ -853,21 +943,22 @@ public:
 public:
     iconv_t cnv;
 };
 public:
     iconv_t cnv;
 };

-#endif
+
+#endif // HAVE_ICONV_H

 
 class EC_CharSetConverter
 {
 public:
 
 class EC_CharSetConverter
 {
 public:

-    EC_CharSetConverter(EC_CharSet*from,EC_CharSet*to)
+    EC_CharSetConverter(EC_CharSet* from,EC_CharSet* to)

         { cnv.Init(from->enc,to->enc); }
         { cnv.Init(from->enc,to->enc); }

-        
-    size_t Convert(char*buf, const char*psz, size_t n)
+
+    size_t Convert(char* buf, const char* psz, size_t n)

     {
         size_t inbuf = strlen(psz);
         if (buf) cnv.Convert(psz,buf);
         return inbuf;
     }
     {
         size_t inbuf = strlen(psz);
         if (buf) cnv.Convert(psz,buf);
         return inbuf;
     }

-  
+

 public:
     wxEncodingConverter cnv;
 };
 public:
     wxEncodingConverter cnv;
 };