+// MB is decomposed (D) normalized UTF8
+
+class wxMBConv_macUTF8D : public wxMBConv_mac
+{
+public :
+ wxMBConv_macUTF8D()
+ {
+ Init( kTextEncodingUnicodeDefault , kUnicodeNoSubset , kUnicodeUTF8Format ) ;
+ m_uni = NULL;
+ m_uniBack = NULL ;
+ }
+
+ virtual ~wxMBConv_macUTF8D()
+ {
+ if (m_uni!=NULL)
+ DisposeUnicodeToTextInfo(&m_uni);
+ if (m_uniBack!=NULL)
+ DisposeUnicodeToTextInfo(&m_uniBack);
+ }
+
+ size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const
+ {
+ CreateIfNeeded() ;
+ 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
+ wxMBConvUTF16 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
+
+ // ubuf is a non-decomposed UniChar buffer
+
+ ByteCount dcubuflen = byteInLen * 2 + 2 ;
+ ByteCount dcubufread , dcubufwritten ;
+ UniChar *dcubuf = (UniChar*) malloc( dcubuflen ) ;
+
+ ConvertFromUnicodeToText( m_uni , byteInLen , ubuf ,
+ kUnicodeDefaultDirectionMask, 0, NULL, NULL, NULL, dcubuflen , &dcubufread , &dcubufwritten , dcubuf ) ;
+
+ // we now convert that decomposed buffer into UTF8
+
+ status = TECConvertText(
+ m_WC2MB_converter, (ConstTextPtr) dcubuf, dcubufwritten, &dcubufread,
+ (TextPtr) (buf ? buf : tbuf), byteBufferLen, &byteOutLen);
+
+ free( dcubuf );
+
+#if SIZEOF_WCHAR_T == 4
+ free( ubuf ) ;
+#endif
+
+ if ( buf == NULL )
+ free(tbuf) ;
+
+ size_t res = byteOutLen ;
+ if ( buf && res < n)
+ {
+ buf[res] = 0;
+ // don't test for round-trip fidelity yet, we cannot guarantee it yet
+ }
+
+ return res ;
+ }
+
+ size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
+ {
+ CreateIfNeeded() ;
+ OSStatus status = noErr ;
+ ByteCount byteOutLen ;
+ ByteCount byteInLen = strlen(psz) + 1;
+ 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
+
+ ByteCount dcubuflen = byteBufferLen * 2 + 2 ;
+ ByteCount dcubufread , dcubufwritten ;
+ UniChar *dcubuf = (UniChar*) malloc( dcubuflen ) ;
+
+ status = TECConvertText(
+ m_MB2WC_converter, (ConstTextPtr) psz, byteInLen, &byteInLen,
+ (TextPtr) dcubuf, dcubuflen, &byteOutLen);
+ // 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
+ dcubuf[byteOutLen / sizeof( UniChar ) ] = 0 ;
+
+ // now from the decomposed UniChar to properly composed uniChar
+ ConvertFromUnicodeToText( m_uniBack , byteOutLen , dcubuf ,
+ kUnicodeDefaultDirectionMask, 0, NULL, NULL, NULL, dcubuflen , &dcubufread , &dcubufwritten , ubuf ) ;
+
+ free( dcubuf );
+ byteOutLen = dcubufwritten ;
+ ubuf[byteOutLen / sizeof( UniChar ) ] = 0 ;
+
+
+#if SIZEOF_WCHAR_T == 4
+ wxMBConvUTF16 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 ;
+ }
+
+ virtual void CreateIfNeeded() const
+ {
+ wxMBConv_mac::CreateIfNeeded() ;
+ if ( m_uni == NULL )
+ {
+ m_map.unicodeEncoding = CreateTextEncoding(kTextEncodingUnicodeDefault,
+ kUnicodeNoSubset, kTextEncodingDefaultFormat);
+ m_map.otherEncoding = CreateTextEncoding(kTextEncodingUnicodeDefault,
+ kUnicodeCanonicalDecompVariant, kTextEncodingDefaultFormat);
+ m_map.mappingVersion = kUnicodeUseLatestMapping;
+
+ OSStatus err = CreateUnicodeToTextInfo(&m_map, &m_uni);
+ wxASSERT_MSG( err == noErr , _(" Couldn't create the UnicodeConverter")) ;
+
+ m_map.unicodeEncoding = CreateTextEncoding(kTextEncodingUnicodeDefault,
+ kUnicodeNoSubset, kTextEncodingDefaultFormat);
+ m_map.otherEncoding = CreateTextEncoding(kTextEncodingUnicodeDefault,
+ kUnicodeCanonicalCompVariant, kTextEncodingDefaultFormat);
+ m_map.mappingVersion = kUnicodeUseLatestMapping;
+ err = CreateUnicodeToTextInfo(&m_map, &m_uniBack);
+ wxASSERT_MSG( err == noErr , _(" Couldn't create the UnicodeConverter")) ;
+ }
+ }
+protected :
+ mutable UnicodeToTextInfo m_uni;
+ mutable UnicodeToTextInfo m_uniBack;
+ mutable UnicodeMapping m_map;
+};
projects / wxWidgets.git / blobdiff