+// ============================================================================
+// Cocoa conversion classes
+// ============================================================================
+
+#if defined(__WXCOCOA__)
+
+// RN: There is no UTF-32 support in either Core Foundation or
+// Cocoa. Strangely enough, internally Core Foundation uses
+// UTF 32 internally quite a bit - its just not public (yet).
+
+#include <CoreFoundation/CFString.h>
+#include <CoreFoundation/CFStringEncodingExt.h>
+
+CFStringEncoding wxCFStringEncFromFontEnc(wxFontEncoding encoding)
+{
+ CFStringEncoding enc = kCFStringEncodingInvalidId ;
+ if ( encoding == wxFONTENCODING_DEFAULT )
+ {
+ enc = CFStringGetSystemEncoding();
+ }
+ else switch( encoding)
+ {
+ case wxFONTENCODING_ISO8859_1 :
+ enc = kCFStringEncodingISOLatin1 ;
+ break ;
+ case wxFONTENCODING_ISO8859_2 :
+ enc = kCFStringEncodingISOLatin2;
+ break ;
+ case wxFONTENCODING_ISO8859_3 :
+ enc = kCFStringEncodingISOLatin3 ;
+ break ;
+ case wxFONTENCODING_ISO8859_4 :
+ enc = kCFStringEncodingISOLatin4;
+ break ;
+ case wxFONTENCODING_ISO8859_5 :
+ enc = kCFStringEncodingISOLatinCyrillic;
+ break ;
+ case wxFONTENCODING_ISO8859_6 :
+ enc = kCFStringEncodingISOLatinArabic;
+ break ;
+ case wxFONTENCODING_ISO8859_7 :
+ enc = kCFStringEncodingISOLatinGreek;
+ break ;
+ case wxFONTENCODING_ISO8859_8 :
+ enc = kCFStringEncodingISOLatinHebrew;
+ break ;
+ case wxFONTENCODING_ISO8859_9 :
+ enc = kCFStringEncodingISOLatin5;
+ break ;
+ case wxFONTENCODING_ISO8859_10 :
+ enc = kCFStringEncodingISOLatin6;
+ break ;
+ case wxFONTENCODING_ISO8859_11 :
+ enc = kCFStringEncodingISOLatinThai;
+ break ;
+ case wxFONTENCODING_ISO8859_13 :
+ enc = kCFStringEncodingISOLatin7;
+ break ;
+ case wxFONTENCODING_ISO8859_14 :
+ enc = kCFStringEncodingISOLatin8;
+ break ;
+ case wxFONTENCODING_ISO8859_15 :
+ enc = kCFStringEncodingISOLatin9;
+ break ;
+
+ case wxFONTENCODING_KOI8 :
+ enc = kCFStringEncodingKOI8_R;
+ break ;
+ case wxFONTENCODING_ALTERNATIVE : // MS-DOS CP866
+ enc = kCFStringEncodingDOSRussian;
+ break ;
+
+// case wxFONTENCODING_BULGARIAN :
+// enc = ;
+// break ;
+
+ case wxFONTENCODING_CP437 :
+ enc =kCFStringEncodingDOSLatinUS ;
+ break ;
+ case wxFONTENCODING_CP850 :
+ enc = kCFStringEncodingDOSLatin1;
+ break ;
+ case wxFONTENCODING_CP852 :
+ enc = kCFStringEncodingDOSLatin2;
+ break ;
+ case wxFONTENCODING_CP855 :
+ enc = kCFStringEncodingDOSCyrillic;
+ break ;
+ case wxFONTENCODING_CP866 :
+ enc =kCFStringEncodingDOSRussian ;
+ break ;
+ case wxFONTENCODING_CP874 :
+ enc = kCFStringEncodingDOSThai;
+ break ;
+ case wxFONTENCODING_CP932 :
+ enc = kCFStringEncodingDOSJapanese;
+ break ;
+ case wxFONTENCODING_CP936 :
+ enc =kCFStringEncodingDOSChineseSimplif ;
+ break ;
+ case wxFONTENCODING_CP949 :
+ enc = kCFStringEncodingDOSKorean;
+ break ;
+ case wxFONTENCODING_CP950 :
+ enc = kCFStringEncodingDOSChineseTrad;
+ break ;
+ case wxFONTENCODING_CP1250 :
+ enc = kCFStringEncodingWindowsLatin2;
+ break ;
+ case wxFONTENCODING_CP1251 :
+ enc =kCFStringEncodingWindowsCyrillic ;
+ break ;
+ case wxFONTENCODING_CP1252 :
+ enc =kCFStringEncodingWindowsLatin1 ;
+ break ;
+ case wxFONTENCODING_CP1253 :
+ enc = kCFStringEncodingWindowsGreek;
+ break ;
+ case wxFONTENCODING_CP1254 :
+ enc = kCFStringEncodingWindowsLatin5;
+ break ;
+ case wxFONTENCODING_CP1255 :
+ enc =kCFStringEncodingWindowsHebrew ;
+ break ;
+ case wxFONTENCODING_CP1256 :
+ enc =kCFStringEncodingWindowsArabic ;
+ break ;
+ case wxFONTENCODING_CP1257 :
+ enc = kCFStringEncodingWindowsBalticRim;
+ break ;
+// This only really encodes to UTF7 (if that) evidently
+// case wxFONTENCODING_UTF7 :
+// enc = kCFStringEncodingNonLossyASCII ;
+// break ;
+ case wxFONTENCODING_UTF8 :
+ enc = kCFStringEncodingUTF8 ;
+ break ;
+ case wxFONTENCODING_EUC_JP :
+ enc = kCFStringEncodingEUC_JP;
+ break ;
+ case wxFONTENCODING_UTF16 :
+ enc = kCFStringEncodingUnicode ;
+ break ;
+ case wxFONTENCODING_MACROMAN :
+ enc = kCFStringEncodingMacRoman ;
+ break ;
+ case wxFONTENCODING_MACJAPANESE :
+ enc = kCFStringEncodingMacJapanese ;
+ break ;
+ case wxFONTENCODING_MACCHINESETRAD :
+ enc = kCFStringEncodingMacChineseTrad ;
+ break ;
+ case wxFONTENCODING_MACKOREAN :
+ enc = kCFStringEncodingMacKorean ;
+ break ;
+ case wxFONTENCODING_MACARABIC :
+ enc = kCFStringEncodingMacArabic ;
+ break ;
+ case wxFONTENCODING_MACHEBREW :
+ enc = kCFStringEncodingMacHebrew ;
+ break ;
+ case wxFONTENCODING_MACGREEK :
+ enc = kCFStringEncodingMacGreek ;
+ break ;
+ case wxFONTENCODING_MACCYRILLIC :
+ enc = kCFStringEncodingMacCyrillic ;
+ break ;
+ case wxFONTENCODING_MACDEVANAGARI :
+ enc = kCFStringEncodingMacDevanagari ;
+ break ;
+ case wxFONTENCODING_MACGURMUKHI :
+ enc = kCFStringEncodingMacGurmukhi ;
+ break ;
+ case wxFONTENCODING_MACGUJARATI :
+ enc = kCFStringEncodingMacGujarati ;
+ break ;
+ case wxFONTENCODING_MACORIYA :
+ enc = kCFStringEncodingMacOriya ;
+ break ;
+ case wxFONTENCODING_MACBENGALI :
+ enc = kCFStringEncodingMacBengali ;
+ break ;
+ case wxFONTENCODING_MACTAMIL :
+ enc = kCFStringEncodingMacTamil ;
+ break ;
+ case wxFONTENCODING_MACTELUGU :
+ enc = kCFStringEncodingMacTelugu ;
+ break ;
+ case wxFONTENCODING_MACKANNADA :
+ enc = kCFStringEncodingMacKannada ;
+ break ;
+ case wxFONTENCODING_MACMALAJALAM :
+ enc = kCFStringEncodingMacMalayalam ;
+ break ;
+ case wxFONTENCODING_MACSINHALESE :
+ enc = kCFStringEncodingMacSinhalese ;
+ break ;
+ case wxFONTENCODING_MACBURMESE :
+ enc = kCFStringEncodingMacBurmese ;
+ break ;
+ case wxFONTENCODING_MACKHMER :
+ enc = kCFStringEncodingMacKhmer ;
+ break ;
+ case wxFONTENCODING_MACTHAI :
+ enc = kCFStringEncodingMacThai ;
+ break ;
+ case wxFONTENCODING_MACLAOTIAN :
+ enc = kCFStringEncodingMacLaotian ;
+ break ;
+ case wxFONTENCODING_MACGEORGIAN :
+ enc = kCFStringEncodingMacGeorgian ;
+ break ;
+ case wxFONTENCODING_MACARMENIAN :
+ enc = kCFStringEncodingMacArmenian ;
+ break ;
+ case wxFONTENCODING_MACCHINESESIMP :
+ enc = kCFStringEncodingMacChineseSimp ;
+ break ;
+ case wxFONTENCODING_MACTIBETAN :
+ enc = kCFStringEncodingMacTibetan ;
+ break ;
+ case wxFONTENCODING_MACMONGOLIAN :
+ enc = kCFStringEncodingMacMongolian ;
+ break ;
+ case wxFONTENCODING_MACETHIOPIC :
+ enc = kCFStringEncodingMacEthiopic ;
+ break ;
+ case wxFONTENCODING_MACCENTRALEUR :
+ enc = kCFStringEncodingMacCentralEurRoman ;
+ break ;
+ case wxFONTENCODING_MACVIATNAMESE :
+ enc = kCFStringEncodingMacVietnamese ;
+ break ;
+ case wxFONTENCODING_MACARABICEXT :
+ enc = kCFStringEncodingMacExtArabic ;
+ break ;
+ case wxFONTENCODING_MACSYMBOL :
+ enc = kCFStringEncodingMacSymbol ;
+ break ;
+ case wxFONTENCODING_MACDINGBATS :
+ enc = kCFStringEncodingMacDingbats ;
+ break ;
+ case wxFONTENCODING_MACTURKISH :
+ enc = kCFStringEncodingMacTurkish ;
+ break ;
+ case wxFONTENCODING_MACCROATIAN :
+ enc = kCFStringEncodingMacCroatian ;
+ break ;
+ case wxFONTENCODING_MACICELANDIC :
+ enc = kCFStringEncodingMacIcelandic ;
+ break ;
+ case wxFONTENCODING_MACROMANIAN :
+ enc = kCFStringEncodingMacRomanian ;
+ break ;
+ case wxFONTENCODING_MACCELTIC :
+ enc = kCFStringEncodingMacCeltic ;
+ break ;
+ case wxFONTENCODING_MACGAELIC :
+ enc = kCFStringEncodingMacGaelic ;
+ break ;
+// case wxFONTENCODING_MACKEYBOARD :
+// enc = kCFStringEncodingMacKeyboardGlyphs ;
+// break ;
+ default :
+ // because gcc is picky
+ break ;
+ } ;
+ return enc ;
+}
+
+class wxMBConv_cocoa : public wxMBConv
+{
+public:
+ wxMBConv_cocoa()
+ {
+ Init(CFStringGetSystemEncoding()) ;
+ }
+
+#if wxUSE_FONTMAP
+ wxMBConv_cocoa(const wxChar* name)
+ {
+ Init( wxCFStringEncFromFontEnc(wxFontMapperBase::Get()->CharsetToEncoding(name, false) ) ) ;
+ }
+#endif
+
+ wxMBConv_cocoa(wxFontEncoding encoding)
+ {
+ Init( wxCFStringEncFromFontEnc(encoding) );
+ }
+
+ ~wxMBConv_cocoa()
+ {
+ }
+
+ void Init( CFStringEncoding encoding)
+ {
+ m_encoding = encoding ;
+ }
+
+ size_t MB2WC(wchar_t * szOut, const char * szUnConv, size_t nOutSize) const
+ {
+ wxASSERT(szUnConv);
+
+ CFStringRef theString = CFStringCreateWithBytes (
+ NULL, //the allocator
+ (const UInt8*)szUnConv,
+ strlen(szUnConv),
+ m_encoding,
+ false //no BOM/external representation
+ );
+
+ wxASSERT(theString);
+
+ size_t nOutLength = CFStringGetLength(theString);
+
+ if (szOut == NULL)
+ {
+ CFRelease(theString);
+ return nOutLength;
+ }
+
+ CFRange theRange = { 0, nOutSize };
+
+#if SIZEOF_WCHAR_T == 4
+ UniChar* szUniCharBuffer = new UniChar[nOutSize];
+#endif
+
+ CFStringGetCharacters(theString, theRange, szUniCharBuffer);
+
+ CFRelease(theString);
+
+ szUniCharBuffer[nOutLength] = '\0' ;
+
+#if SIZEOF_WCHAR_T == 4
+ wxMBConvUTF16 converter ;
+ converter.MB2WC(szOut, (const char*)szUniCharBuffer , nOutSize ) ;
+ delete[] szUniCharBuffer;
+#endif
+
+ return nOutLength;
+ }
+
+ size_t WC2MB(char *szOut, const wchar_t *szUnConv, size_t nOutSize) const
+ {
+ wxASSERT(szUnConv);
+
+ size_t nRealOutSize;
+ size_t nBufSize = wxWcslen(szUnConv);
+ UniChar* szUniBuffer = (UniChar*) szUnConv;
+
+#if SIZEOF_WCHAR_T == 4
+ wxMBConvUTF16BE converter ;
+ nBufSize = converter.WC2MB( NULL , szUnConv , 0 );
+ szUniBuffer = new UniChar[ (nBufSize / sizeof(UniChar)) + 1] ;
+ converter.WC2MB( (char*) szUniBuffer , szUnConv, nBufSize + sizeof(UniChar)) ;
+ nBufSize /= sizeof(UniChar);
+#endif
+
+ CFStringRef theString = CFStringCreateWithCharactersNoCopy(
+ NULL, //allocator
+ szUniBuffer,
+ nBufSize,
+ kCFAllocatorNull //deallocator - we want to deallocate it ourselves
+ );
+
+ wxASSERT(theString);
+
+ //Note that CER puts a BOM when converting to unicode
+ //so we check and use getchars instead in that case
+ if (m_encoding == kCFStringEncodingUnicode)
+ {
+ if (szOut != NULL)
+ CFStringGetCharacters(theString, CFRangeMake(0, nOutSize - 1), (UniChar*) szOut);
+
+ nRealOutSize = CFStringGetLength(theString) + 1;
+ }
+ else
+ {
+ CFStringGetBytes(
+ theString,
+ CFRangeMake(0, CFStringGetLength(theString)),
+ m_encoding,
+ 0, //what to put in characters that can't be converted -
+ //0 tells CFString to return NULL if it meets such a character
+ false, //not an external representation
+ (UInt8*) szOut,
+ nOutSize,
+ (CFIndex*) &nRealOutSize
+ );
+ }
+
+ CFRelease(theString);
+
+#if SIZEOF_WCHAR_T == 4
+ delete[] szUniBuffer;
+#endif
+
+ return nRealOutSize - 1;
+ }
+
+ bool IsOk() const
+ {
+ return m_encoding != kCFStringEncodingInvalidId &&
+ CFStringIsEncodingAvailable(m_encoding);
+ }
+
+private:
+ CFStringEncoding m_encoding ;
+};
+
+#endif // defined(__WXCOCOA__)
+
+// ============================================================================
+// Mac conversion classes
+// ============================================================================
+
+#if defined(__WXMAC__) && defined(TARGET_CARBON)
+
+class wxMBConv_mac : public wxMBConv
+{
+public:
+ wxMBConv_mac()
+ {
+ Init(CFStringGetSystemEncoding()) ;
+ }
+
+#if wxUSE_FONTMAP
+ wxMBConv_mac(const wxChar* name)
+ {
+ Init( wxMacGetSystemEncFromFontEnc(wxFontMapperBase::Get()->CharsetToEncoding(name, false) ) ) ;
+ }
+#endif
+
+ 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);
+ }
+
+ 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)
+ {
+ //apple specs say at least 32
+ n = wxMax( 32 , byteInLen ) ;
+ tbuf = (wchar_t*) malloc( n * SIZEOF_WCHAR_T) ;
+ }
+ ByteCount byteBufferLen = n * sizeof( UniChar ) ;
+#if SIZEOF_WCHAR_T == 4
+ ubuf = (UniChar*) malloc( byteBufferLen + 2 ) ;
+#else
+ ubuf = (UniChar*) (buf ? buf : tbuf) ;
+#endif
+ status = TECConvertText(m_MB2WC_converter, (ConstTextPtr) psz , byteInLen, &byteInLen,
+ (TextPtr) ubuf , byteBufferLen, &byteOutLen);
+#if SIZEOF_WCHAR_T == 4
+ // 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 ) ;
+#endif
+ if ( buf == NULL )
+ free(tbuf) ;
+
+ if ( buf && res < n)
+ buf[res] = 0;
+
+ 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)
+ {
+ //apple specs say at least 32
+ n = wxMax( 32 , ((byteInLen / SIZEOF_WCHAR_T) * 8) + SIZEOF_WCHAR_T );
+ 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 ) ;
+ byteInLen = unicharlen ;
+ ubuf = (UniChar*) malloc( byteInLen + 2 ) ;
+ converter.WC2MB( (char*) ubuf , psz, unicharlen + 2 ) ;
+#else
+ ubuf = (UniChar*) psz ;
+#endif
+ status = TECConvertText(m_WC2MB_converter, (ConstTextPtr) ubuf , byteInLen, &byteInLen,
+ (TextPtr) (buf ? buf : tbuf) , byteBufferLen, &byteOutLen);
+#if SIZEOF_WCHAR_T == 4
+ free( ubuf ) ;
+#endif
+ if ( buf == NULL )
+ free(tbuf) ;
+
+ size_t res = byteOutLen ;
+ if ( buf && res < n)
+ {
+ buf[res] = 0;
+
+ //we need to double-trip to verify it didn't insert any ? in place
+ //of bogus characters
+ wxWCharBuffer wcBuf(n);
+ size_t pszlen = wxWcslen(psz);
+ if ( MB2WC(wcBuf.data(), buf, n) == (size_t)-1 ||
+ wxWcslen(wcBuf) != pszlen ||
+ memcmp(wcBuf, psz, pszlen * sizeof(wchar_t)) != 0 )
+ {
+ // we didn't obtain the same thing we started from, hence
+ // the conversion was lossy and we consider that it failed
+ return (size_t)-1;
+ }
+ }
+
+ 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 ;
+};
+
+#endif // defined(__WXMAC__) && defined(TARGET_CARBON)
projects / wxWidgets.git / blobdiff