<:
-use utf8;
+use 5.014;
use strict;
+use utf8;
use warnings;
no warnings 'qw'; # you know what you doing
no warnings 'uninitialized'; # save some useless checks for more legible code
use File::stat 'stat';
use HTTP::Date;
+use Encode qw( decode_utf8 );
+
+our $Dev;
+
+sub Alert {
+ my ($html, $debug) = @_;
+ ref $html eq 'ARRAY' or $html = [$html];
+ my ($title, @lines) = @{$html};
+ my $body = "<h2>$title</h2>";
+ $body .= "\n<p>$_</p>" for @lines;
+ $body .= "\n<pre>$debug</pre>" if $Dev and $debug;
+ say "<div class=error>$body</div>\n";
+}
+
+sub Abort {
+ my ($html, $code, $debug) = @_;
+ unless ($PLP::sentheaders) {
+ $header{Status} = $code || 500;
+ }
+ elsif ($Dev) {
+ ref $html eq 'ARRAY' or $html = [$html];
+ push @{$html}, "Also failed to set HTTP status <q>$code</q>"
+ . " after output!";
+ }
+ Alert($html, $debug);
+ exit;
+}
-$PLP::ERROR = sub {
- my ($text, $html) = @_;
- print '<p class="error"><strong>Fatal error</strong>: '.$html."</p>\n\n";
-};
+BEGIN {
+ require Time::HiRes;
+ our $Time = [Time::HiRes::gettimeofday()];
+
+ push @INC, '.';
+
+ # user request
+ our $Dev = $ENV{HTTP_HOST} =~ /\bdev\./;
+}
+
+our $Request //= decode_utf8($ENV{PATH_INFO} =~ s{^/}{}r);
our $style;
-our $showkeys = !exists $get{keys} ? undef :
+our $showkeys //= !exists $get{keys} ? undef :
($get{keys} ne '0' && ($get{keys} || 'always'));
$header{content_type} = 'text/html; charset=utf-8';
sub stylesheet {
- my %styles = map {$_ => $_} @_;
+ my ($avail) = @_;
+ my @avail = ref $avail eq 'ARRAY' ? @{$avail} : $avail or return;
+ my %styles = map {$_ => $_} @avail;
if (defined( my $setstyle = $get{style} )) {
$style = $styles{ $setstyle };
my $cookie = CGI::Cookie->new(
-name => 'style',
-value => $setstyle || '',
- -path => '/', # site-wide; current page is confusing to most users
+ -path => '/', # site-wide
-expires => $setstyle ? '+5y' : '-1d',
) or die "empty object returned\n";
AddCookie($cookie->as_string);
} or warn "Unable to create style cookie: $@";
}
- $style ||= exists $cookie{style} && $styles{ $cookie{style} } || $_[0];
+ $style ||= exists $cookie{style} && $styles{ $cookie{style} } || $avail[0];
- return join "\n", map { sprintf(
+ return map { sprintf(
'<link rel="%s" type="text/css" media="all" href="%s" title="%s">',
- $_ eq $style ? 'stylesheet' : 'alternate stylesheet', "/$_.css?1.7", $_
- ) } @_;
+ $_ eq $style ? 'stylesheet' : 'alternate stylesheet', "/$_.css?1.13", $_
+ ) } @avail;
}
sub checkmodified {
- my $lastmod;
+ my $lastmod = 0;
for (@_) {
my $mod = stat $_ or next;
$mod = $mod->mtime or next;
sub Html {
my ($meta) = @_;
- # announce and check data modification
- checkmodified(
- $ENV{SCRIPT_FILENAME},
- (grep { /\bShiar_/ } values %INC),
- $meta->{data} ? @{ $meta->{data} } : (),
- );
- $header{'Cache-Control'} = sprintf 'max-age: ', 24*60*60;
+ unless ($meta->{nocache}) {
+ # announce and check data modification
+ checkmodified(
+ $ENV{SCRIPT_FILENAME},
+ (grep { /\bShiar_/ } values %INC),
+ $meta->{data} ? @{ $meta->{data} } : (),
+ );
+ $header{'Cache-Control'} = 'max-age='.(24*60*60);
+ }
# default fallbacks
- $meta->{stylesheet} ||= [qw'light dark circus mono red terse'];
+ $meta->{stylesheet} ||= [qw( light dark circus mono red )];
$meta->{charset} ||= 'utf-8';
- ref $_ eq 'ARRAY' or $_ = [$_] for $meta->{raw};
+ # convert options to arrays
+ ref $_ eq 'ARRAY' or $_ = [$_]
+ for grep {$_} $meta->{raw}, $meta->{description}, $meta->{keywords};
+
+ # document headers before output
+ $header{content_type} = "text/html; charset=$meta->{charset}"
+ unless $PLP::sentheaders;
+ unshift @{ $meta->{raw} }, stylesheet($meta->{stylesheet});
+
+ push @{ $meta->{raw} }, (
+ '<link rel="stylesheet" type="text/css" media="monochrome" href="/mono.css?1.11" title="light">',
+ );
# optional amends
push @{ $meta->{raw} }, (
'<!--[if lte IE 6]><style> .help dl.legend dt {margin:0 0 1px} </style><![endif]-->',
'<!--[if lte IE 7]><style> .help dl.legend dd {float:none} </style><![endif]-->',
- !$showkeys ? '<style type="text/css"> .no {visibility:hidden} </style>'
- : $showkeys eq 'ghost' ? '<style type="text/css"> .no, .alias {opacity:.5} </style>'
- : (),
- '<script type="text/javascript" src="/keys.js?1.6"></script>',
+ !$showkeys ? '<style> .no {visibility:hidden} </style>' :
+ $showkeys eq 'ghost' ? '<style> .no, .alias {opacity:.5} </style>' : (),
+ '<script type="text/javascript" src="/keys.js?1.6" async></script>',
) if $meta->{keys};
- # flatten arrays
- ref $_ eq 'ARRAY' and $_ = join ' ', @$_ for $meta->{description};
- ref $_ eq 'ARRAY' and $_ = join ', ', @$_ for $meta->{keywords};
- ref $_ eq 'ARRAY' and $_ = join "\n", @$_ for $meta->{raw};
- ref $_ eq 'ARRAY' and $_ = stylesheet(@$_)."\n" for $meta->{stylesheet};
-
- # other vars
my ($file) = $ENV{SCRIPT_FILENAME} =~ m{ ([^/]+) \.plp$ }x;
- # leading output
- $header{content_type} = "text/html; charset=$meta->{charset}";
- print <<"EOT";
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-<meta http-equiv="content-type" content="$header{content_type}">
-<title>$meta->{title}</title>
-<meta name="description" content="$meta->{description}">
-<meta name="keywords" content="$meta->{keywords}">
-<link rel="icon" type="image/png" href="/clip.png">
-EOT
- print $_, "\n" for $meta->{stylesheet} || ();
- print $_, "\n" for $meta->{raw} || ();
- print qq{</head>\n\n<body id="$file">\n};
-
- # dev indicator
- printf '<p style="%s">beta</p>', join('; ',
- 'position: fixed',
- 'right: 1em',
- 'opacity: .5',
- 'border: 1ex solid red',
- 'border-width: 1ex 0',
- ) if $ENV{HTTP_HOST} =~ /\bdev\./;
+ PLP_START {
+ # leading output
+ say '<!DOCTYPE html>';
+ say '<html lang="en">';
+ say '';
+ say '<head>';
+ say sprintf '<meta http-equiv="content-type" content="%s">', $_
+ for $header{content_type};
+ say sprintf '<title>%s</title>', $meta->{title};
+ say sprintf '<meta name="description" content="%s">', EscapeHTML($_)
+ for join(' ', @{ $meta->{description} // [] }) || ();
+ say sprintf '<meta name="keywords" content="%s">', EscapeHTML($_)
+ for join(', ', @{ $meta->{keywords} // [] }) || ();
+ say '<meta name="viewport" content="width=device-width, initial-scale=1">';
+ say '<link rel="icon" type="image/png" href="/clip.png">';
+ say for map { @{$_} } $meta->{raw} || ();
+ say '<meta name="robots" content="noindex">' if $Dev;
+ say '</head>';
+ say '';
+ say sprintf '<body id="%s">', $file;
+
+ # development version indicator
+ printf '<p style="%s">beta</p>', join('; ',
+ 'position: fixed',
+ 'right: 1em',
+ 'opacity: .5',
+ 'border: 1ex solid red',
+ 'border-width: 1ex 0',
+ 'z-index: 1',
+ 'background: inherit',
+ ) if $Dev;
+ };
# prepare trailing output
PLP_END {
<p class="footer">
<a href="/" rel="start">sheet.shiar.nl</a>/$file.<a href="/source/$file.plp"
rel="source" title="Written in Perl">plp</a>
- <a href="http://git.shiar.nl/sheet.git/history/HEAD:/$file.plp"
+ version <a href="http://git.shiar.nl/sheet.git/history/HEAD:/$file.plp"
rel="vcs-git" title="Git repository">$meta->{version}</a>
created by <a href="http://shiar.nl/" rel="author">Shiar</a> •
- <a href="http://www.fsf.org/licensing/licenses/agpl-3.0.html" rel="license copyright"
- title="Licensed under the GNU Affero General Public License, version 3">AGPLv3</a>
-</p>
-
-</html>
+ <a href="http://www.fsf.org/licensing/licenses/agpl-3.0.html"
+ title="Licensed under the GNU Affero General Public License, version 3"
+ rel="license">AGPLv3</a>
EOT
+ our $Time;
+ say sprintf '• %.3fs', Time::HiRes::tv_interval($Time) if $Dev and $Time;
+ say '</p>';
+ say '';
+ say '</html>';
};
}
+BEGIN {
+ $PLP::ERROR = sub {
+ my ($message, $html) = @_;
+ if (ref $message) {
+ warn join ': ', @{$message};
+ $html = shift @{$message};
+ }
+ else {
+ warn $message;
+ $message = [];
+ }
+ unless ($PLP::sentheaders) {
+ Html({nocache => 1});
+ say '<h1>Page unavailable</h1>';
+ }
+ Alert("Fatal error: $html.", @{$message});
+ };
+}
+
+sub showlink {
+ my ($title, $href, $selected) = @_;
+ return sprintf(
+ !$href ? '%s' :
+ $selected ? '<strong>%s</strong>' : '<a href="%2$s">%s</a>',
+ EscapeHTML($title), EscapeHTML($href)
+ );
+}
+