#ifdef __WXMSW__
#include "wx/msw/private.h"
+#endif
+
+#ifdef __WINDOWS__
#include "wx/msw/missing.h"
#endif
#include "wx/encconv.h"
#include "wx/fontmap.h"
+#include "wx/utils.h"
#ifdef __WXMAC__
-#include "ATSUnicode.h"
-#include "TextCommon.h"
-#include "TextEncodingConverter.h"
+#include <ATSUnicode.h>
+#include <TextCommon.h>
+#include <TextEncodingConverter.h>
#include "wx/mac/private.h" // includes mac headers
#endif
{
// now do the actual conversion
wxWCharBuffer buf(nLen);
- MB2WC(buf.data(), psz, nLen + 1); // with the trailing NUL
-
- return buf;
+ nLen = MB2WC(buf.data(), psz, nLen + 1); // with the trailing NULL
+ if ( nLen != (size_t)-1 )
+ {
+ return buf;
+ }
}
}
if ( nLen != (size_t)-1 )
{
wxCharBuffer buf(nLen+3); // space for a wxUint32 trailing zero
- WC2MB(buf.data(), pwz, nLen + 4);
-
- return buf;
+ nLen = WC2MB(buf.data(), pwz, nLen + 4);
+ if ( nLen != (size_t)-1 )
+ {
+ return buf;
+ }
}
}
{
ms_wcCharsetName = NULL;
- // VS: we must not output an error here, since wxWindows will safely
+ // VS: we must not output an error here, since wxWidgets will safely
// fall back to using wxEncodingConverter.
wxLogTrace(wxT("strconv"), wxT("Impossible to convert to/from charset '%s' with iconv, falling back to wxEncodingConverter."), name);
//wxLogError(
#ifdef wxHAVE_WIN32_MB2WC
// from utils.cpp
+#if wxUSE_FONTMAP
extern WXDLLIMPEXP_BASE long wxCharsetToCodepage(const wxChar *charset);
extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding);
+#endif
class wxMBConv_win32 : public wxMBConv
{
m_CodePage = CP_ACP;
}
+#if wxUSE_FONTMAP
wxMBConv_win32(const wxChar* name)
{
m_CodePage = wxCharsetToCodepage(name);
{
m_CodePage = wxEncodingToCodepage(encoding);
}
+#endif
size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
+ // note that we have to use MB_ERR_INVALID_CHARS flag as it without it
+ // the behaviour is not compatible with the Unix version (using iconv)
+ // and break the library itself, e.g. wxTextInputStream::NextChar()
+ // wouldn't work if reading an incomplete MB char didn't result in an
+ // error
const size_t len = ::MultiByteToWideChar
(
m_CodePage, // code page
- 0, // flags (none)
+ MB_ERR_INVALID_CHARS, // flags: fall on error
psz, // input string
-1, // its length (NUL-terminated)
buf, // output string
quality approximations such as turning "1/2" symbol (U+00BD) into
"1" for the code pages which don't have it and we, obviously, want
to avoid this at any price
-
+
the trouble is that this function does it _silently_, i.e. it won't
even tell us whether it did or not... Win98/2000 and higher provide
WC_NO_BEST_FIT_CHARS but it doesn't work for the older systems and
wxMBConv_mac(const wxChar* name)
{
- Init( wxMacGetSystemEncFromFontEnc(wxFontMapper::Get()->CharsetToEncoding(name, FALSE) ) ) ;
+ Init( wxMacGetSystemEncFromFontEnc(wxFontMapper::Get()->CharsetToEncoding(name, false) ) ) ;
}
wxMBConv_mac(wxFontEncoding encoding)
{
- Init( wxMacGetSystemEncFromFontEnc(encoding) );
- }
-
- ~wxMBConv_mac()
- {
- OSStatus status = noErr ;
- status = TECDisposeConverter(m_MB2WC_converter);
- status = TECDisposeConverter(m_WC2MB_converter);
- }
-
-
- void Init( TextEncodingBase encoding)
- {
- OSStatus status = noErr ;
- m_char_encoding = encoding ;
- m_unicode_encoding = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode16BitFormat) ;
-
- status = TECCreateConverter(&m_MB2WC_converter,
- m_char_encoding,
- m_unicode_encoding);
- status = TECCreateConverter(&m_WC2MB_converter,
- m_unicode_encoding,
- m_char_encoding);
- }
-
+ Init( wxMacGetSystemEncFromFontEnc(encoding) );
+ }
+
+ ~wxMBConv_mac()
+ {
+ OSStatus status = noErr ;
+ status = TECDisposeConverter(m_MB2WC_converter);
+ status = TECDisposeConverter(m_WC2MB_converter);
+ }
+
+
+ void Init( TextEncodingBase encoding)
+ {
+ OSStatus status = noErr ;
+ m_char_encoding = encoding ;
+ m_unicode_encoding = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode16BitFormat) ;
+
+ status = TECCreateConverter(&m_MB2WC_converter,
+ m_char_encoding,
+ m_unicode_encoding);
+ status = TECCreateConverter(&m_WC2MB_converter,
+ m_unicode_encoding,
+ m_char_encoding);
+ }
+
size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
- OSStatus status = noErr ;
- ByteCount byteOutLen ;
- ByteCount byteInLen = strlen(psz) ;
- wchar_t *tbuf = NULL ;
- UniChar* ubuf = NULL ;
- size_t res = 0 ;
-
- if (buf == NULL)
- {
- n = byteInLen ;
- tbuf = (wchar_t*) malloc( n * SIZEOF_WCHAR_T) ;
- }
- ByteCount byteBufferLen = n * sizeof( UniChar ) ;
+ OSStatus status = noErr ;
+ ByteCount byteOutLen ;
+ ByteCount byteInLen = strlen(psz) ;
+ wchar_t *tbuf = NULL ;
+ UniChar* ubuf = NULL ;
+ size_t res = 0 ;
+
+ if (buf == NULL)
+ {
+ n = byteInLen ;
+ tbuf = (wchar_t*) malloc( n * SIZEOF_WCHAR_T) ;
+ }
+ ByteCount byteBufferLen = n * sizeof( UniChar ) ;
#if SIZEOF_WCHAR_T == 4
- ubuf = (UniChar*) malloc( byteBufferLen ) ;
+ ubuf = (UniChar*) malloc( byteBufferLen + 2 ) ;
#else
- ubuf = (UniChar*) (buf ? buf : tbuf) ;
+ ubuf = (UniChar*) (buf ? buf : tbuf) ;
#endif
- status = TECConvertText(m_MB2WC_converter, (ConstTextPtr) psz , byteInLen, &byteInLen,
- (TextPtr) ubuf , byteBufferLen, &byteOutLen);
+ status = TECConvertText(m_MB2WC_converter, (ConstTextPtr) psz , byteInLen, &byteInLen,
+ (TextPtr) ubuf , byteBufferLen, &byteOutLen);
#if SIZEOF_WCHAR_T == 4
- wxMBConvUTF16BE converter ;
- res = converter.MB2WC( (buf ? buf : tbuf) , (const char*)ubuf , n ) ;
- free( ubuf ) ;
+ // we have to terminate here, because n might be larger for the trailing zero, and if UniChar
+ // is not properly terminated we get random characters at the end
+ ubuf[byteOutLen / sizeof( UniChar ) ] = 0 ;
+ wxMBConvUTF16BE converter ;
+ res = converter.MB2WC( (buf ? buf : tbuf) , (const char*)ubuf , n ) ;
+ free( ubuf ) ;
#else
- res = byteOutLen / sizeof( UniChar ) ;
+ res = byteOutLen / sizeof( UniChar ) ;
#endif
- if ( buf == NULL )
- free(tbuf) ;
+ if ( buf == NULL )
+ free(tbuf) ;
if ( buf && res < n)
buf[res] = 0;
- return res ;
+ return res ;
}
size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const
- {
- OSStatus status = noErr ;
- ByteCount byteOutLen ;
- ByteCount byteInLen = wxWcslen(psz) * SIZEOF_WCHAR_T ;
-
- char *tbuf = NULL ;
-
- if (buf == NULL)
- {
- // worst case
- n = byteInLen * 2 ;
- tbuf = (char*) malloc( n ) ;
- }
-
- ByteCount byteBufferLen = n ;
- UniChar* ubuf = NULL ;
+ {
+ OSStatus status = noErr ;
+ ByteCount byteOutLen ;
+ ByteCount byteInLen = wxWcslen(psz) * SIZEOF_WCHAR_T ;
+
+ char *tbuf = NULL ;
+
+ if (buf == NULL)
+ {
+ // worst case
+ n = byteInLen * 2 ;
+ tbuf = (char*) malloc( n ) ;
+ }
+
+ ByteCount byteBufferLen = n ;
+ UniChar* ubuf = NULL ;
#if SIZEOF_WCHAR_T == 4
- wxMBConvUTF16BE converter ;
- size_t unicharlen = converter.WC2MB( NULL , psz , 0 ) ;
- byteBufferLen = unicharlen ;
- ubuf = (UniChar*) malloc( byteBufferLen + 2 ) ;
- converter.WC2MB( (char*) ubuf , psz, unicharlen ) ;
+ wxMBConvUTF16BE converter ;
+ size_t unicharlen = converter.WC2MB( NULL , psz , 0 ) ;
+ byteInLen = unicharlen ;
+ ubuf = (UniChar*) malloc( byteInLen + 2 ) ;
+ converter.WC2MB( (char*) ubuf , psz, unicharlen + 2 ) ;
#else
- ubuf = (UniChar*) psz ;
+ ubuf = (UniChar*) psz ;
#endif
- status = TECConvertText(m_WC2MB_converter, (ConstTextPtr) ubuf , byteInLen, &byteInLen,
- (TextPtr) (buf ? buf : tbuf) , byteBufferLen, &byteOutLen);
+ status = TECConvertText(m_WC2MB_converter, (ConstTextPtr) ubuf , byteInLen, &byteInLen,
+ (TextPtr) (buf ? buf : tbuf) , byteBufferLen, &byteOutLen);
#if SIZEOF_WCHAR_T == 4
- free( ubuf ) ;
+ free( ubuf ) ;
#endif
- if ( buf == NULL )
- free(tbuf) ;
+ if ( buf == NULL )
+ free(tbuf) ;
- size_t res = byteOutLen ;
+ size_t res = byteOutLen ;
if ( buf && res < n)
buf[res] = 0;
- return res ;
+ return res ;
}
bool IsOk() const
{ return m_MB2WC_converter != NULL && m_WC2MB_converter != NULL ; }
private:
- TECObjectRef m_MB2WC_converter ;
- TECObjectRef m_WC2MB_converter ;
-
- TextEncodingBase m_char_encoding ;
- TextEncodingBase m_unicode_encoding ;
+ TECObjectRef m_MB2WC_converter ;
+ TECObjectRef m_WC2MB_converter ;
+
+ TextEncodingBase m_char_encoding ;
+ TextEncodingBase m_unicode_encoding ;
};
#endif // defined(__WXMAC__) && defined(TARGET_CARBON)
#ifdef wxHAVE_WIN32_MB2WC
{
+#if wxUSE_FONTMAP
wxMBConv_win32 *conv = m_name ? new wxMBConv_win32(m_name)
: new wxMBConv_win32(m_encoding);
if ( conv->IsOk() )
return conv;
delete conv;
+#else
+ return NULL;
+#endif
}
#endif // wxHAVE_WIN32_MB2WC
-#if defined(__WXMAC__)
+#if defined(__WXMAC__)
{
- if ( m_name || ( m_encoding < wxFONTENCODING_UTF16BE ) )
- {
-
- wxMBConv_mac *conv = m_name ? new wxMBConv_mac(m_name)
- : new wxMBConv_mac(m_encoding);
- if ( conv->IsOk() )
- return conv;
+ if ( m_name || ( m_encoding < wxFONTENCODING_UTF16BE ) )
+ {
- delete conv;
- }
+ wxMBConv_mac *conv = m_name ? new wxMBConv_mac(m_name)
+ : new wxMBConv_mac(m_encoding);
+ if ( conv->IsOk() )
+ return conv;
+
+ delete conv;
+ }
}
#endif
// step (2)
#ifdef __WINDOWS__
static wxMBConv_win32 wxConvLibcObj;
+#elif defined(__WXMAC__) && !defined(__MACH__)
+ static wxMBConv_mac wxConvLibcObj ;
#else
static wxMBConvLibc wxConvLibcObj;
#endif