index: release v1.18 with only altgr index linked

[sheet.git] / tools / mkdigraphs-vim

diff --git a/tools/mkdigraphs-vim b/tools/mkdigraphs-vim
index d47a733e971932963dd5a96bcd8377ee5e2b0e95..ceea4b7a4aa0c102e978ac64e920bf809986ae67 100755 (executable)
--- a/tools/mkdigraphs-vim
+++ b/tools/mkdigraphs-vim
@@ -1,10 +1,30 @@
 #!/bin/sh
-vim -e -cdigraphs -cq | perl -CSD -nE '
-       BEGIN {
+
+VERSION=1.02
+
+if [ "$#" -ne 0 ]
+then
+       echo "Usage: $0 >digraphs-vim.inc.pl"
+       echo 'Collect digraph data from vim, standard output as Perl hash.'
+       exit 64 # EX_USAGE
+fi
+
+VIM='vim -RXZ -i NONE -u NONE -N -n'
+
+$VIM -e -c'echo version' -cdigraphs -cq | perl -CSD -nE '
+       if ($. == 1) { # head
+               say "# digraphs list from vim version ", m/(\d+)\s*\z/;
+               say "# automatically generated by '"$0"'";
                say "+{";
-       }
-               say "q{$1} => $3," while /\G(\S\S) (.[^ ]*) +([0-9]+)\s+/g;
-       END {
+       } else { # body
+               while (/\G(\S\S) (.[^ ]*) +([0-9]+)\s+/g) {
+                       my ($mnem, $chr, $cp) = ($1, $2, $3);
+                       $mnem =~ s/(?=[\\}])/\\/g;  # escape string delimiter
+                       $chrstr = sprintf q("\x{%x}"), $cp;
+                       say "q{$mnem} => $chrstr,";
+               }
+       } END { # foot
                say "}";
+               exit warn "only $. lines of :digraphs output\n" if $. < 6;
        }
 '