2025-09-03 12:21 UTC+0200 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)

* src/rtl/cdpapi.c
    + added fallback translation table for different variants of Latin
      character, now when translation is made between different encoding
      and the variant of Latin character does not exist in destination
      code page then it's translated to their base Latin form, i.e.:
         hb_utf8ToStr( "ĄĆĘŁŃÓŚŹŻąćęłńóśźż", "EN" ) -> "ACELNOSZZacelnószz"

  * tests/uc16_gen.prg
    ; updated comment

ChangeLog.txt

@@ -7,6 +7,17 @@
    Entries may not always be in chronological/commit order.
    See license at the end of file. */
 
+2025-09-03 12:21 UTC+0200 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
+  * src/rtl/cdpapi.c
+    + added fallback translation table for different variants of Latin
+      character, now when translation is made between different encoding
+      and the variant of Latin character does not exist in destination
+      code page then it's translated to their base Latin form, i.e.:
+         hb_utf8ToStr( "ĄĆĘŁŃÓŚŹŻąćęłńóśźż", "EN" ) -> "ACELNOSZZacelnószz"
+
+  * tests/uc16_gen.prg
+    ; updated comment
+
 2025-08-29 12:49 UTC+0200 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
   * contrib/hbbmp/core.c
   * contrib/hbbmp/hbbmp.ch

src/rtl/cdpapi.c

@@ -145,6 +145,117 @@ static HB_CODEPAGE s_en_codepage =
 
 HB_CODEPAGE_ANNOUNCE( EN )
 
+#define HB_UCFB_FIRST   0x00C0
+#define HB_UCFB_LAST    0x1EF9
+#define HB_UCFB_BITS    5
+
+static const HB_BYTE s_fb_idx[ 242 ] =
+{
+   0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B,
+   0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+   0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
+   0x17, 0x18
+};
+
+static const HB_BYTE s_fb_val[ 794 ] =
+{
+   0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x00, 0x43, 0x45, 0x45, 0x45, 0x45,
+   0x49, 0x49, 0x49, 0x49, 0x00, 0x4E, 0x4F, 0x4F, 0x4F, 0x4F, 0x4F, 0x00,
+   0x4F, 0x55, 0x55, 0x55, 0x55, 0x59, 0x00, 0x00, 0x61, 0x61, 0x61, 0x61,
+   0x61, 0x61, 0x00, 0x63, 0x65, 0x65, 0x65, 0x65, 0x69, 0x69, 0x69, 0x69,
+   0x00, 0x6E, 0x6F, 0x6F, 0x6F, 0x6F, 0x6F, 0x00, 0x6F, 0x75, 0x75, 0x75,
+   0x75, 0x79, 0x00, 0x79, 0x41, 0x61, 0x41, 0x61, 0x41, 0x61, 0x43, 0x63,
+   0x43, 0x63, 0x43, 0x63, 0x43, 0x63, 0x44, 0x64, 0x44, 0x64, 0x45, 0x65,
+   0x45, 0x65, 0x45, 0x65, 0x45, 0x65, 0x45, 0x65, 0x47, 0x67, 0x47, 0x67,
+   0x47, 0x67, 0x47, 0x67, 0x48, 0x68, 0x48, 0x68, 0x49, 0x69, 0x49, 0x69,
+   0x49, 0x69, 0x49, 0x69, 0x49, 0x00, 0x00, 0x00, 0x4A, 0x6A, 0x4B, 0x6B,
+   0x00, 0x4C, 0x6C, 0x4C, 0x6C, 0x4C, 0x6C, 0x00, 0x00, 0x4C, 0x6C, 0x4E,
+   0x6E, 0x4E, 0x6E, 0x4E, 0x6E, 0x00, 0x00, 0x00, 0x4F, 0x6F, 0x4F, 0x6F,
+   0x4F, 0x6F, 0x00, 0x00, 0x52, 0x72, 0x52, 0x72, 0x52, 0x72, 0x53, 0x73,
+   0x53, 0x73, 0x53, 0x73, 0x53, 0x73, 0x54, 0x74, 0x54, 0x74, 0x54, 0x74,
+   0x55, 0x75, 0x55, 0x75, 0x55, 0x75, 0x55, 0x75, 0x55, 0x75, 0x55, 0x75,
+   0x57, 0x77, 0x59, 0x79, 0x59, 0x5A, 0x7A, 0x5A, 0x7A, 0x5A, 0x7A, 0x00,
+   0x62, 0x42, 0x42, 0x62, 0x00, 0x00, 0x00, 0x43, 0x63, 0x00, 0x44, 0x44,
+   0x64, 0x00, 0x00, 0x00, 0x00, 0x46, 0x66, 0x47, 0x00, 0x00, 0x00, 0x49,
+   0x4B, 0x6B, 0x6C, 0x00, 0x00, 0x4E, 0x6E, 0x4F, 0x4F, 0x6F, 0x00, 0x00,
+   0x50, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x74, 0x54, 0x74, 0x54, 0x55,
+   0x75, 0x00, 0x56, 0x59, 0x79, 0x5A, 0x7A, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x41, 0x61, 0x49, 0x69, 0x4F, 0x6F, 0x55,
+   0x75, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x47, 0x67, 0x47, 0x67, 0x4B, 0x6B, 0x4F, 0x6F,
+   0x00, 0x00, 0x00, 0x00, 0x6A, 0x00, 0x00, 0x00, 0x47, 0x67, 0x00, 0x00,
+   0x4E, 0x6E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x41, 0x61, 0x41, 0x61,
+   0x45, 0x65, 0x45, 0x65, 0x49, 0x69, 0x49, 0x69, 0x4F, 0x6F, 0x4F, 0x6F,
+   0x52, 0x72, 0x52, 0x72, 0x55, 0x75, 0x55, 0x75, 0x53, 0x73, 0x54, 0x74,
+   0x00, 0x00, 0x48, 0x68, 0x4E, 0x64, 0x00, 0x00, 0x5A, 0x7A, 0x41, 0x61,
+   0x45, 0x65, 0x00, 0x00, 0x00, 0x00, 0x4F, 0x6F, 0x00, 0x00, 0x59, 0x79,
+   0x6C, 0x6E, 0x74, 0x00, 0x00, 0x00, 0x41, 0x43, 0x63, 0x4C, 0x54, 0x73,
+   0x7A, 0x00, 0x00, 0x42, 0x00, 0x00, 0x45, 0x65, 0x4A, 0x6A, 0x00, 0x71,
+   0x52, 0x72, 0x59, 0x79, 0x00, 0x00, 0x00, 0x62, 0x00, 0x63, 0x64, 0x64,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x67, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x68, 0x00, 0x69, 0x00, 0x00, 0x6C, 0x6C, 0x6C, 0x00, 0x00,
+   0x00, 0x6D, 0x6E, 0x6E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x72, 0x72, 0x72, 0x00, 0x00, 0x00, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x74, 0x00, 0x00, 0x76, 0x00, 0x00, 0x00, 0x00, 0x7A, 0x7A, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6A, 0x00, 0x00,
+   0x71, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x41, 0x61, 0x42, 0x62, 0x42, 0x62, 0x42, 0x62,
+   0x00, 0x00, 0x44, 0x64, 0x44, 0x64, 0x44, 0x64, 0x44, 0x64, 0x44, 0x64,
+   0x00, 0x00, 0x00, 0x00, 0x45, 0x65, 0x45, 0x65, 0x00, 0x00, 0x46, 0x66,
+   0x47, 0x67, 0x48, 0x68, 0x48, 0x68, 0x48, 0x68, 0x48, 0x68, 0x48, 0x68,
+   0x49, 0x69, 0x00, 0x00, 0x4B, 0x6B, 0x4B, 0x6B, 0x4B, 0x6B, 0x4C, 0x6C,
+   0x00, 0x00, 0x4C, 0x6C, 0x4C, 0x6C, 0x4D, 0x6D, 0x4D, 0x6D, 0x4D, 0x6D,
+   0x4E, 0x6E, 0x4E, 0x6E, 0x4E, 0x6E, 0x4E, 0x6E, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x50, 0x70, 0x50, 0x70, 0x52, 0x72, 0x52, 0x72,
+   0x00, 0x00, 0x52, 0x72, 0x53, 0x73, 0x53, 0x73, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x54, 0x74, 0x54, 0x74, 0x54, 0x74, 0x54, 0x74, 0x55, 0x75,
+   0x55, 0x75, 0x55, 0x75, 0x00, 0x00, 0x00, 0x00, 0x56, 0x76, 0x56, 0x76,
+   0x57, 0x77, 0x57, 0x77, 0x57, 0x77, 0x57, 0x77, 0x57, 0x77, 0x58, 0x78,
+   0x58, 0x78, 0x59, 0x79, 0x5A, 0x7A, 0x5A, 0x7A, 0x5A, 0x7A, 0x68, 0x74,
+   0x77, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x41, 0x61, 0x41, 0x61,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x45, 0x65, 0x45, 0x65,
+   0x45, 0x65, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x49, 0x69, 0x49, 0x69, 0x4F, 0x6F, 0x4F, 0x6F, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x55, 0x75, 0x55, 0x75, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x59, 0x79, 0x59, 0x79, 0x59, 0x79,
+   0x59, 0x79
+};
+
+static HB_USHORT s_uc_fback( int n )
+{
+   n -= HB_UCFB_FIRST;
+   if( n >= 0 && n <= ( HB_UCFB_LAST - HB_UCFB_FIRST ) )
+   {
+      return s_fb_val[ ( s_fb_idx[ n >> HB_UCFB_BITS ] << HB_UCFB_BITS ) +
+                       ( n & ( ( 1 << HB_UCFB_BITS ) - 1 ) ) ];
+   }
+   return 0;
+}
+
 static PHB_CODEPAGE s_cdpList = NULL;
 
 
@@ -157,9 +268,21 @@ void hb_cdpBuildTransTable( PHB_UNITABLE uniTable )
    if( uniTable->uniTrans == NULL )
    {
       HB_UCHAR * uniTrans;
-      HB_WCHAR wcMax = 0;
+      HB_WCHAR wcMax;
+      HB_BOOL fLatinFallback = HB_TRUE;
       int i;
 
+      for( i = 'A'; i <= 'Z'; ++i )
+      {
+         if( uniTable->uniCodes[ i ] != ( HB_WCHAR ) i )
+         {
+            fLatinFallback = HB_FALSE;
+            break;
+         }
+      }
+      if( fLatinFallback )
+         wcMax = HB_UCFB_LAST;
+
       for( i = 0; i < 256; ++i )
       {
          HB_WCHAR wc = uniTable->uniCodes[ i ];
@@ -172,6 +295,18 @@ void hb_cdpBuildTransTable( PHB_UNITABLE uniTable )
          if( uniTable->uniCodes[ i ] )
             uniTrans[ uniTable->uniCodes[ i ] ] = ( HB_UCHAR ) i;
       }
+      if( fLatinFallback )
+      {
+         for( i = HB_UCFB_FIRST; i <= HB_UCFB_LAST; ++i )
+         {
+            if( uniTrans[ i ] == 0 )
+            {
+               HB_WCHAR wc = s_uc_fback( i );
+               if( wc > 0 && wc <= wcMax && uniTable->uniCodes[ uniTrans[ wc ] ] == wc )
+                  uniTrans[ i ] = uniTrans[ wc ];
+            }
+         }
+      }
 
       uniTable->wcMax = wcMax;
       uniTable->uniTrans = uniTrans;

tests/uc16_gen.prg

@@ -1,6 +1,7 @@
 /*
- * code to generate C source with conversion tables between BIG5 and UCS16
+ * code to generate C source with tables UCS16 character flags using data
- *    using data defined by Unicode, Inc. in BIG5.TXT
+ * defined by Unicode, Inc. https://unicode.org/Public/UNIDATA/UnicodeData.txt
+ * harbour/src/codepage/uc16def.c was generated by this code.
  *
  * Copyright 2011 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
  *
@@ -162,7 +163,7 @@ proc main()
    cResult := ;
       "/*" + hb_eol() + ;
       " * Unicode character tables" + hb_eol() + ;
-      " * code generated automatically by tests/uc_gen.prg" + hb_eol() + ;
+      " * code generated automatically by tests/uc16_gen.prg" + hb_eol() + ;
       " *" + hb_eol() + ;
       " * Copyright 2012 Przemyslaw Czerpak <druzus / at / priv.onet.pl>" + hb_eol() + ;
       " *" + hb_eol() + ;