digraphs: include flag legend in include data

[sheet.git] / tools / mkdigraphlist

diff --git a/tools/mkdigraphlist b/tools/mkdigraphlist
index 2e6c9191f46414ee7533efa6d97796b846db2783..075d564b07d2079abe09a9e84087f2ee1f4cf235 100755 (executable)
--- a/tools/mkdigraphlist
+++ b/tools/mkdigraphlist
@@ -4,43 +4,56 @@ use strict;
 use warnings;
 use utf8;
 
-use open OUT => ':utf8', ':std';
+use open OUT => ':encoding(utf-8)', ':std';
+use JSON ();
 
-our $VERSION = '1.05';
+our $VERSION = '1.07';
 
 # import and combine various digraph data
-my $rfc = do 'data/digraphs-rfc.inc.pl'
+push @INC, 'data';
+my $rfc = do 'digraphs-rfc.inc.pl'
        or die "error reading digraphs include: ", $@ // $!;
-my $extra = do 'data/digraphs-shiar.inc.pl'
+my $extra = do 'digraphs-shiar.inc.pl'
        or warn "could not include shiar proposals: ", $@ // $!;
-my $vim = do 'data/digraphs-vim.inc.pl'
+my $vim = do 'digraphs-vim.inc.pl'
        or warn "could not include vim extensions ", $@ // $!;
+my $vimold = do 'digraphs-vim-74.inc.pl'
+       or warn "could not include vim compatibility ", $@ // $!;
 my $di = { %{$vim // {}}, %{$rfc}, %{$extra // {}} };
 
 # optionally get unicode character information
 my $uninfo = do 'unicode-char.inc.pl'
        or warn "could not include unicode details: ", $@ // $!;
 
-# output perl code of hash
-# (assume no backslashes or curlies, so we can just q{} w/o escaping)
-print "# automatically generated by $0\n";
-print "use utf8;\n";
-print "+{\n";
-printf '(map {$_=>0} qw{%s}),'."\n", join(' ',
+# output json map of character info
+my %table;
+$table{$_} = 0 for (
        grep { !defined $di->{$_} }
        map { substr($_, 1, 1).substr($_, 0, 1) } sort keys %{$di}
 );
-printf "q{%s}=>[%s],\n", $_, join(',',
+$table{$_} = [
        ord $di->{$_},   # original code point
-       map {"'$_'"}
-       $uninfo->{ $di->{$_} }->[1],  # name
-       $vim->{$_}
-               ? $rfc->{$_} ? 'u-di' : 'u-prop'  # vim+rfc or vim-only
-               :              'u-prop ex',  # neither
-       $uninfo->{ $di->{$_} }->[0] =~ s/ u-di| u-prop| ex//gr,  # class
+       $uninfo->{ $di->{$_} }->[1] // '',  # name
+       join(' ',
+               $rfc->{$_}
+                       ? $vim->{$_} ? 'l4' : 'l1'  # vim+rfc or rfc only
+                       : $vim->{$_} ? 'l3' : 'l2', # vim only or neither
+               $vimold && $vim->{$_} && !$vimold->{$_} ? 'ex' : (), # new vim feature
+       ),
+       ($uninfo->{ $di->{$_} }->[0] // '') =~ s/ u-di| u-prop| ex//gr,  # class
        $uninfo->{ $di->{$_} }->[4] // (),  # string
-) for sort keys %{$di};
-print "}\n";
+] for sort keys %{$di};
+
+print JSON->new->ascii->canonical->encode({
+       key  => \%table,
+       flag => {
+               l4 => 'full support',
+               l3 => 'vim extension',
+               'l3 ex' => 'vim v8.0',
+               l2 => 'proposal',
+               l1 => 'not in vim',
+       },
+});
 
 __END__
 
@@ -50,15 +63,14 @@ mkdigraphlist - Output character list of combined digraph data
 
 =head1 SYNOPSIS
 
-    mkdigraphlist >digraphs.inc.pl
-    perl -e'$di = do "digraphs.inc.pl"; print chr $di->{DO}->[0]'
+    mkdigraphlist | jq -r '.key."DO"[0]' | perl -nE 'say chr' # $
 
 =head1 DESCRIPTION
 
 Combines precompiled digraph includes of rfc (1345), vim, and shiar
 and outputs a complete map including character details and usage classes.
 
-The value can either be a scalar string containing another
+The C<key> values can either be a scalar string containing another
 digraph which can be considered identical (usually inverted),
 or an array ref containing at least the resulting character's
 Unicode code point value.  If available, the following UCD data
@@ -66,9 +78,11 @@ is appended: character name, usage classes, unicode classes,
 and replacement output string.
 For example:
 
- +{
-   AE => [198, 'LATIN CAPITAL LETTER AE', 'u-di', 'Latin Lu Xl u-v11'],
-   EA => 'AE',
+  {
+   "key": {
+    "AE" => [198, "LATIN CAPITAL LETTER AE", "u-di", "Latin Lu Xl u-v11"],
+    "EA" => "AE",
+   }
   }
 
 =head1 AUTHOR