use 5.014;
use warnings;
use utf8;
-use open IO => ':utf8', ':std';
+use open IO => ':encoding(utf-8)', ':std';
+use re '/msx';
+use JSON 'decode_json';
use Data::Dump 'pp';
our $VERSION = '1.01';
-my $keysymh;
-open $keysymh, '<', 'data/keysymdef.h'
- or open $keysymh, '<', '/usr/include/X11/keysymdef.h'
- or die "Could not find keysym definitions: $!\n";
-
-my %keysym;
-while (readline $keysymh) {
- m{
- \A [#]define[ ]XK_ (?<name>[a-zA-Z_0-9]+)
- \h+ 0x(?<value>[0-9a-f]+)
- \h* [/][*] [\h(] U[+] (?<unicode>[0-9A-F]{4,6})
- }msx or next;
- $keysym{ $+{name} } = chr hex $+{unicode};
-}
+my $symname = eval {
+ open my $keysymh, '<', 'data/keysymdef.json' or die $!;
+ local $/;
+ return decode_json(readline $keysymh);
+} or die "Could not read keysym definitions: $@\n";
say "# automatically generated by $0";
say '+{';
while ($_ = readline) {
- my ($mnem, $chr, $trail) = /^<Multi_key>\h(.*?)\h+:\h"([^"]+)"\h*(.*)/
+ my ($mnem, $chr, $trail) = m/\A <Multi_key> \h (.*?) \h+ : \h "([^"]+)" \h* (.*)/
or next;
$chr =~ s/\\(.)/$1/g;
- $mnem !~ /<dead|<KP_|<U[0-9A-Fa-f]{4}/ or next; # skip non-standard keys
- $mnem =~ s{<([^>]+)> ?}{$keysym{$1} // die "reference to unknown keysym $1\n"}eg;
- $mnem !~ /[^ -\x7F]/ or next; # skip unicode
+ $mnem !~ m/<dead | <KP_ | <U[0-9A-Fa-f]{4}/ or next; # skip non-standard keys
+ eval {
+ $mnem =~ s{<([^>]+)> \h?}{$symname->{$1} // die "reference to unknown keysym $1\n"}eg;
+ 1;
+ } or warn($@), next;
+ $mnem !~ m/[^\x20-\x7F]/ or next; # skip unicode
# (state $seen = {})->{$chr}++ and next;
printf "%s => %s,\n", pp($mnem), pp($chr);
}