Diff for /gforth/utf-8.fs between versions 1.38 and 1.41

version 1.38, 2009/01/17 16:55:54 version 1.41, 2010/02/14 18:04:16
Line 1 Line 1
 \ UTF-8 handling                                       12dec04py  \ UTF-8 handling                                       12dec04py
   
 \ Copyright (C) 2004,2005,2006,2007,2008 Free Software Foundation, Inc.  \ Copyright (C) 2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 273  here wc-table - Constant #wc-table Line 273  here wc-table - Constant #wc-table
   
 \ inefficient table walk:  \ inefficient table walk:
   
 : wcwidth ( xc -- n )  : xc-width ( xc -- n )
     wc-table #wc-table over + swap ?DO      wc-table #wc-table over + swap ?DO
         dup I 2@ within IF  I 2 cells + @  UNLOOP EXIT  THEN          dup I 2@ within IF  I 2 cells + @  UNLOOP EXIT  THEN
     3 cells +LOOP  1 ;      3 cells +LOOP  1 ;
   [ELSE]
       ' wcwidth Alias xc-width
 [THEN]  [THEN]
           
 : u8width ( xcaddr u -- n )  : u8width ( xcaddr u -- n )
     0 rot rot over + swap ?DO      0 rot rot over + swap ?DO
         I xc@+ swap >r wcwidth +          I xc@+ swap >r xc-width +
     r> I - +LOOP ;      r> I - +LOOP ;
   
 : set-encoding-utf-8 ( -- )  : set-encoding-utf-8 ( -- )
Line 326  environment-wordlist set-current Line 328  environment-wordlist set-current
     \G ``ISO-LATIN-1'' or ``UTF-8'', with the exception of ``ASCII'', where      \G ``ISO-LATIN-1'' or ``UTF-8'', with the exception of ``ASCII'', where
     \G we prefer the alias ``ASCII''.      \G we prefer the alias ``ASCII''.
     max-single-byte $80 = IF s" UTF-8" ELSE s" ISO-LATIN-1" THEN ;      max-single-byte $80 = IF s" UTF-8" ELSE s" ISO-LATIN-1" THEN ;
   : max-xchar ( -- xchar )
       max-single-byte $80 = IF $7FFFFFFF  ELSE  $FF  THEN ;
   ' noop Alias X:xchar
 forth definitions  forth definitions
   
 :noname ( -- )  :noname ( -- )

Removed from v.1.38  
changed lines
  Added in v.1.41


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