From 068f457f9a60a17ca141d3b90bd7dee9aa7267bc Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Wed, 10 Nov 2010 22:11:58 +0100
Subject: [PATCH] browser: include perl data prepared by converter script

Avoid identical and relatively costly Javascript conversion on every run.
---
 browser.plp              | 26 ++--------------------
 tools/convert-caniuse.pl | 47 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+), 24 deletions(-)
 create mode 100755 tools/convert-caniuse.pl

diff --git a/browser.plp b/browser.plp
index 330b443..16aad08 100644
--- a/browser.plp
+++ b/browser.plp
@@ -9,7 +9,7 @@ Html({
 		"caniuse.",
 	keywords => [qw'html css browser feature'],
 	stylesheet => [qw'light dark circus mono red'],
-	data => ['caniuse.js'],
+	data => ['browser-support.inc.pl'],
 });
 
 :>
@@ -20,29 +20,7 @@ with <a href="http://stats.wikimedia.org/archive/squid_reports/">Wikimedia</a>
 browser usage statistics.</p>
 
 <:
-use JSON;
-use File::Slurp 'read_file';
-my $source = read_file('caniuse.js');
-for ($source) { # cleanup
-	# convert seperate variables to hash keys
-	s/\A/{/;
-	s/^caniuse\.(\w+) = /"$1":/gm;
-	s/;$/,/gm;
-	s/,\s*\Z/\n}/;
-	# fractions not supported by barekey
-	s/(?<=[,{]) (\d*\.\d) (?=:')/"$1"/gx;
-	# escapes not supported in singlequote
-	s{'((?:[^\\']+|\\.)*)'}{
-		my $_ = $1;
-		s/"/\\"/g;
-		s/\\'/'/g;
-		qq("$_");
-	}ge;
-}
-my $caniuse = from_json($source, {
-#	allow_singlequote => 1,
-	allow_barekey => 1,
-});
+my $caniuse = do 'browser-support.inc.pl' or die $! || $@;
 
 my %CSTATS = (
 	n => 'di-b',
diff --git a/tools/convert-caniuse.pl b/tools/convert-caniuse.pl
new file mode 100755
index 0000000..7006b18
--- /dev/null
+++ b/tools/convert-caniuse.pl
@@ -0,0 +1,47 @@
+#!/usr/bin/env perl
+use 5.010;
+use strict;
+use warnings;
+
+use Data::Dump 'pp';
+use File::Slurp 'read_file';
+use JSON;
+
+local $/;  # slurp
+my $source = readline;
+
+for ($source) { # cleanup
+	# convert seperate variables to hash keys
+	s/\A/{/;
+	s/^caniuse\.(\w+) = /"$1":/gm;
+	s/;$/,/gm;
+	s/,\s*\Z/\n}/;
+	# fractions not supported by barekey
+	s/(?<=[,{]) (\d*\.\d) (?=:')/"$1"/gx;
+	# escapes not supported in singlequote
+	s{'((?:[^\\']+|\\.)*)'}{
+		my $_ = $1;
+		s/"/\\"/g;
+		s/\\'/'/g;
+		qq("$_");
+	}ge;
+}
+
+my $data = from_json($source, {
+	allow_singlequote => 1,
+	allow_barekey => 1,
+});
+
+print pp($data);
+
+__END__
+
+=head1 NAME
+
+convert-caniuse - Turn Javascript data into an equivalent Perl structure
+
+=head1 SYNOPSIS
+
+	curl http://caniuse.com/js/data.js |
+	tools/convert-caniuse.pl > browser-support.inc.pl
+
-- 
2.30.0