view src/libvterm/find-wide-chars.pl @ 26197:2093cc976da8 v8.2.3630

patch 8.2.3630: printf() with %S does not handle multi-byte correctly Commit: https://github.com/vim/vim/commit/d85fccdfed58108c4e0958d0b17c64690b5f073f Author: presuku <presuku@users.noreply.github.com> Date: Sat Nov 20 19:38:31 2021 +0000 patch 8.2.3630: printf() with %S does not handle multi-byte correctly Problem: Printf() with %S does not handle multi-byte correctly. Solution: Count cells instead of bytes. (closes https://github.com/vim/vim/issues/9169, closes https://github.com/vim/vim/issues/7486)
author Bram Moolenaar <Bram@vim.org>
date Sat, 20 Nov 2021 20:45:02 +0100
parents 55a373a243c0
children
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line source

#!/usr/bin/perl

use strict;
use warnings;

STDOUT->autoflush(1);

sub iswide
{
   my ( $cp ) = @_;
   return chr($cp) =~ m/\p{East_Asian_Width=Wide}|\p{East_Asian_Width=Fullwidth}/;
}

my ( $start, $end );
foreach my $cp ( 0 .. 0x1FFFF ) {
   iswide($cp) or next;

   if( defined $end and $end == $cp-1 ) {
      # extend the range
      $end = $cp;
      next;
   }

   # start a new range
   printf "  { %#04x, %#04x },\n", $start, $end if defined $start;

   $start = $end = $cp;
}

printf "  { %#04x, %#04x },\n", $start, $end if defined $start;