From fe9b04959ba957f3d7fccbe050a118e8e2858e75 Mon Sep 17 00:00:00 2001
From: girst <girst@users.noreply.github.com>
Date: Tue, 16 Jul 2019 20:35:14 +0200
Subject: [PATCH] vt100 mode: teletext in the terminal

---
 vt100.cgi | 145 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100755 vt100.cgi

diff --git a/vt100.cgi b/vt100.cgi
new file mode 100755
index 0000000..a984c40
--- /dev/null
+++ b/vt100.cgi
@@ -0,0 +1,145 @@
+#!/usr/bin/perl -X
+# vim: foldmethod=marker
+
+use strict;
+use warnings;
+use 5.010;
+use utf8;use open qw/:std :utf8/;
+
+use ORFText;
+use Text::Wrap;
+$Text::Wrap::columns = 60;
+
+=pod
+ ORFText News for VT100 compatible terminals
+ intended to be called like so (query strings supported):
+	curl -s http://foo/ | less -R
+TODO: 
+ * 
+=cut
+
+my @pages = (
+	101, 113 .. 125,  # Politik: Österreich/EU
+	     127 .. 134,  # Politik: International
+	102,#136 .. 144,  # Chronik
+#	     701 .. 709   # Bundesländer (W-NÖ-B-OÖ-S-T-V-K-St)
+#	     471 .. 478   # Nachrichten leicht verständlich
+#	103, 146 .. 149   # Leute
+#	104, 151 .. 159   # Wirtschaft
+#	     161,167,169, # Börse
+#	     170,172,174  # -"-
+#	105, 203 .. 209,  # Sport vom Tag
+#	     210 .. 259,  # Sportarten
+#	     261 .. 278,  # Wintersport & Großereignisse
+#	107,110,191..198, # Show und Kultur
+	108,#461 .. 465,  # Web/Media
+#	     468 .. 469,  # Webtipps
+# Special Flags:
+	"_noqna",         # hide Q-and-A
+);
+
+if ($ENV{QUERY_STRING}) {
+	@pages = split /&/, ($ENV{QUERY_STRING} =~ s/(\d{3})-(\d{3})/${\join'&',$1..$2}/gr);
+}
+
+print "Content-type: text/plain\r\n\r\n";
+
+# terminal output formatting {{{
+my $BOLD = "\033[1m";
+my $ITAL = "\033[3m";
+my $GREY = "\033[2m";
+my $INVR = "\033[7m";
+my $RESET= "\033[0m";
+$ORFText::REF_MARKUP = sub { my ($text, $ref) = @_;
+	return "$text<b>$ref</b>"; #Note: can't put escape sequences here, or they'll be dropped by ORFText::trim_ws()
+};
+sub format_table {
+	my $text = join("\n",map{s/[\x00-\x20]/ /gr}@{%{$_[0]}{raw}})=~s/^ ,,+//msr=~s/\n+$//r;
+	return {%$_, text=>$text};
+}
+sub format_vt100 { my %page = %{$_[0] or return};
+	no warnings 'numeric';
+	use List::Util qw[max];
+	sub ifdef { $_[1]? "$_[0]$_[1]":"" }
+	my $pagespec = substr($page{page},0,1) ."00/$page{page}_000".max($page{subpage},1);
+	my $text = $page{text};
+	$text =~ s{<p>}{\n}g;
+	$text =~ s{<i>(.*?)</i>}{${ITAL}$1${RESET}}g;
+	$text =~ s{<b>(.*?)</b>}{${BOLD}$1${RESET}}g;
+	$text =~ s{<h4>(.*?)</h4>}{\n${BOLD}$1${RESET}\n}g;
+	$text =~ s{\N{SOFT HYPHEN}}{}g;
+	$text =~ s{&lt;}{<}g;
+	$text =~ s{&amp;}{&}g;
+	$text = wrap('', '', $text);
+
+	return <<"HTML";
+${GREY}$page{page}${\ifdef('.',$page{subpage})}: ${RESET}${BOLD}$page{title}${RESET}
+$text
+
+HTML
+}
+# }}}
+# headings {{{
+my %headings = (
+	101 => "Politik: Österreich/EU",
+	127 => "Politik: International",
+	102 => "Chronik",
+	103 => "Leute",
+	104 => "Wirtschaft",
+	161 => "Börse",
+	105 => "Sport",
+	 #203 => "Sport vom Tag",
+	 #260 => "Wintersport und Großereignisse"
+	106 => "Fernsehen",
+	108 => "Multimedia",
+	107 => "Kultur &amp; Show", # XXX: this will show it multiple times!
+	110 => "Kultur &amp; Show",
+	109 => "Wetter",
+	471 => "Nachrichten leicht verständlich",
+	481 => "Nachrichten leichter verständlich",
+	701 => "Wien",
+	702 => "Niederösterreich",
+	703 => "Burgenland",
+	704 => "Oberösterreich",
+	705 => "Salzburg",
+	706 => "Tirol",
+	707 => "Vorarlberg",
+	708 => "Kärnten",
+	709 => "Steiermark",
+
+);
+# }}}
+# html-head {{{
+print <<'EOF';
+   ___  ___ ___ _____        _   
+  / _ \| _ \ __|_   _|____ _| |_ 
+ | (_) |   / _|  | |/ -_) \ /  _|
+  \___/|_|_\_|   |_|\___/_\_\\__|
+
+EOF
+# }}}
+my (@all, @nonempty);
+page:foreach (grep/[0-9]/,@pages) {
+	print "${BOLD}$headings{$_}${RESET}\n\n" if $headings{$_};
+
+	my $pageno = $_;
+	push @all, $pageno;
+	foreach (glob "/run/ttxd/spool/2/${_}_*.vtx") {
+		my $file_age = time - (stat)[9];
+		next if $file_age > 300;
+
+		for (ORFText::html($_)) {
+			next unless $_; # fail req'd for $nonempty
+			if ("_noqna" ~~ @pages) { # hide Q-and-A
+				next page if %{$_}{text}=~m@[Aa]lle Fra.?gen/Antworten.+?500@;# /.?/ is a soft hyphen
+			}
+			$_ = format_table $_ if %$_{tabular};
+			print format_vt100 $_ ;
+			push @nonempty, $pageno;
+		}
+	}
+}
+
+my @empty = sort grep{not $_ ~~ @nonempty} @all;
+my ($N, $n) = ('n'x!!$#empty, 'n'x!!$#all);
+print "${GREY}Tafel$N @{[join ', ', @empty]} wurde$N nicht gefunden. ${RESET}" if @empty;
-- 
2.39.3