mirror of
https://salsa.debian.org/dskoll/remind.git
synced 2026-04-16 14:28:40 +02:00
540 lines
12 KiB
Perl
Executable File
540 lines
12 KiB
Perl
Executable File
#!/usr/bin/perl
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use strict;
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use warnings;
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use Getopt::Long;
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my %Options;
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my $rem2html_version = '2.0';
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my($days, $shades, $moons, $classes, $Month, $Year, $Numdays, $Firstwkday, $Mondayfirst,
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@Daynames, $Nextmon, $Nextlen, $Prevmon, $Prevlen);
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my $TIDY_PROGNAME = $0;
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$TIDY_PROGNAME =~ s|^.*/||;
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# rem2html -- convert the output of "remind -p" to HTML
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=head1 NAME
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rem2html - Convert the output of "remind -p" to HTML
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=head1 SYNOPSIS
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remind -p ... | rem2html [options]
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=head2 usage
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Print usage to STDERR and exit.
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=cut
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sub usage
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{
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my ($exit_status) = @_;
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if (!defined($exit_status)) {
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$exit_status = 1;
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}
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print STDERR <<"EOM";
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$TIDY_PROGNAME: Produce an HTML calendar from the output of "remind -p"
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Usage: remind -p ... | rem2html [options]
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Options:
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--help, -h Print usage information
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--version Print version
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--backurl url Make the title on the previous month's small calendar
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entry a link to <url>
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--forwurl url Same as --backurl, but for the next month's small calendar
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--imgbase url Base URL of images and default stylesheet file
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--stylesheet url.css URL of CSS stylesheet. If specified, imgbase is NOT
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prepended to url.css
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--nostyle Produce basic HTML that does not use a CSS stylesheet
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--tableonly Output results as a <table> only, no <html>, <body>, etc.
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--title What to put in <title>...</title> tags
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--prologue html_text Text to insert at the top of the body
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--epilogue html_text Text to insert at the end of the body
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EOM
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exit($exit_status);
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}
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=head2 parse_options
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Parse command-line options
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=cut
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sub parse_options
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{
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local $SIG{__WARN__} = sub { print STDERR "$TIDY_PROGNAME: $_[0]\n"; };
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if (!GetOptions(\%Options, "help|h",
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"version",
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"stylesheet=s",
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"nostyles",
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"backurl=s",
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"forwurl=s",
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"title=s",
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"prologue=s",
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"epilogue=s",
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"imgbase=s",
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"tableonly")) {
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usage(1);
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}
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$Options{'title'} ||= 'HTML Calendar';
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# Fix up imgbase
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my $imgbase = '%IMAGEBASE%';
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if ($imgbase ne '%' . 'IMAGEBASE' . '%') {
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$Options{'imgbase'} ||= $imgbase;
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} else {
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$Options{'imgbase'} ||= '';
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}
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$Options{'imgbase'} =~ s|/+$||;
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my $stylesheet = $Options{'imgbase'};
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$stylesheet .= '/' if ($stylesheet ne '');
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$stylesheet .= 'rem-default.css';
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$Options{'stylesheet'} ||= $stylesheet;
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}
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=head2 start_output
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Start the HTML output
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=cut
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sub start_output
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{
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return if ($Options{'tableonly'});
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print("<html>\n<head>\n<title>" . $Options{'title'} . "</title>\n");
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if (!$Options{'nostyle'}) {
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if ($Options{'stylesheet'}) {
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print('<link rel="stylesheet" type="text/css" href="' .
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$Options{'stylesheet'} . '">' . "\n");
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}
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}
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print("</head>\n<body>\n");
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if ($Options{'prologue'}) {
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print $Options{'prologue'} . "\n";
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}
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}
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=head2 end_output
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Finish off the calendar
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=cut
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sub end_output
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{
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return if ($Options{'tableonly'});
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if ($Options{'epilogue'}) {
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print $Options{'epilogue'} . "\n";
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}
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print("</body>\n</html>\n");
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}
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=head2 parse_input
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Parse off one month's worth of input
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=cut
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sub parse_input
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{
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undef $days;
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undef $shades;
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undef $moons;
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undef $classes;
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my $found_data = 0;
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while(<STDIN>) {
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chomp;
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last if /^\# rem2ps begin$/;
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}
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my $line;
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# Month Year numdays firstday monday_first_flag
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$line = <STDIN>;
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return 0 unless $line;
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chomp($line);
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($Month, $Year, $Numdays, $Firstwkday, $Mondayfirst) = split(' ', $line);
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# Day names
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$line = <STDIN>;
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return 0 unless $line;
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chomp($line);
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@Daynames = split(' ', $line);
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# Prevmon prevlen
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$line = <STDIN>;
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return 0 unless $line;
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chomp($line);
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($Prevmon, $Prevlen) = split(' ', $line);
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# Nextmon nextlen
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$line = <STDIN>;
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return 0 unless $line;
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chomp($line);
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($Nextmon, $Nextlen) = split(' ', $line);
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$found_data = 1;
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my $class;
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if ($Options{'nostyle'}) {
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$class = '';
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} else {
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$class = ' class="rem-entry"';
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}
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while(<STDIN>) {
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chomp;
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last if /^\# rem2ps end$/;
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next if /^\#/;
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next unless m/^(\d*).(\d*).(\d*)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s*(.*)$/;
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my ($y, $m, $d, $special, $tag, $duration, $time, $body) =
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($1, $2, $3, $4, $5, $6, $7, $8);
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if ($special eq 'HTML') {
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push(@{$days->[$d]}, $body);
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} elsif ($special eq 'HTMLCLASS') {
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$classes->[$d] = $body;
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} elsif ($special eq 'MOON') {
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if ($body =~ /(\S+)\s+(\S+)\s+(\S+)\s+(.*)$/) {
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my ($phase, $moonsize, $fontsize, $msg) = ($1, $2, $3, $4);
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$moons->[$d]->{'phase'} = $phase;
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$moons->[$d]->{'msg'} = $msg;
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} elsif ($body =~ /(\S+)/) {
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$moons->[$d]->{'phase'} = $1;
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$moons->[$d]->{'msg'} = '';
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}
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} elsif ($special eq 'SHADE') {
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if ($body =~ /(\d+)\s+(\d+)\s+(\d+)/) {
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$shades->[$d] = sprintf("#%02X%02X%02X",
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($1 % 256), ($2 % 256), ($3 % 256));
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}
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} elsif ($special eq 'COLOR') {
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if ($body =~ /(\d+)\s+(\d+)\s+(\d+)\s+(.*)$/) {
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my($r, $g, $b, $text) = ($1, $2, $3, $4);
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my $color = sprintf("style=\"color: #%02X%02X%02X;\"",
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$r % 256, $g % 256, $b % 256);
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push(@{$days->[$d]}, "<p$class $color>" . escape_html($text) . '</p>');
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}
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} elsif ($special eq '*') {
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push(@{$days->[$d]}, "<p$class>" . escape_html($body) . '</p>');
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}
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}
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return $found_data;
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}
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=head2 small_calendar MONTH, MONLEN, URL, FIRST_COL
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Draw a small calendar
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=cut
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sub small_calendar
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{
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my($month, $monlen, $url, $first_col) = @_;
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if ($Mondayfirst) {
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$first_col--;
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if ($first_col < 0) {
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$first_col = 6;
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}
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}
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if ($Options{'nostyle'}) {
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print "<td width=\"14%\">\n";
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print "<table border=\"0\">\n";
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print "<caption>";
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} else {
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print "<td class=\"rem-small-calendar\">\n";
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print "<table class=\"rem-sc-table\">\n";
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print "<caption class=\"rem-sc-caption\">";
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}
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print "<a href=\"$url\">" if ($url);
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print $month;
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print "</a>" if ($url);
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print "</caption>\n";
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my $class;
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if ($Options{'nostyle'}) {
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print '<tr>';
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$class = ' align="right"';
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} else {
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print '<tr class="rem-sc-hdr-row">';
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$class = ' class="rem-sc-hdr"';
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}
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if (!$Mondayfirst) {
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print "<th$class>" . substr($Daynames[0], 0, 1) . '</th>';
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}
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for (my $i=1; $i<7; $i++) {
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print "<th$class>" . substr($Daynames[$i], 0, 1) . '</th>';
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}
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if ($Mondayfirst) {
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print "<th$class>" . substr($Daynames[0], 0, 1) . '</th>';
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}
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print("</tr>\n");
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my $col = 0;
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for (; $col<$first_col; $col++) {
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if ($col == 0) {
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print("<tr>\n");
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}
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if ($Options{'nostyle'}) {
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print("<td align=\"right\" width=\"14%\"> </td>");
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} else {
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print("<td class=\"rem-sc-empty-cell\"> </td>");
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}
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}
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for (my $day=1; $day <= $monlen; $day++) {
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if ($col == 0) {
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print("<tr>\n");
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}
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$col++;
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if ($Options{'nostyle'}) {
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print("<td align=\"right\" width=\"14%\">$day</td>");
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} else {
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print("<td class=\"rem-sc-cell\">$day</td>");
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}
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if ($col == 7) {
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print("</tr>\n");
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$col = 0;
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}
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}
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if ($col) {
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while ($col < 7) {
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if ($Options{'nostyle'}) {
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print("<td align=\"right\" width=\"14%\"> </td>");
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} else {
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print("<td class=\"rem-sc-empty-cell\"> </td>");
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}
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$col++;
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}
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print("</tr>\n");
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}
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print("</table>\n");
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print "</td>\n";
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}
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=head2 output_calendar
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Take the parsed input and output a calendar
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=cut
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sub output_calendar
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{
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# Which column is 1st of month in?
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my $first_col = $Firstwkday;
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if ($Mondayfirst) {
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$first_col--;
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if ($first_col < 0) {
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$first_col = 6;
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}
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}
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# Last column
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my $last_col = ($first_col + $Numdays - 1) % 7;
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# Start the table
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my $class;
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if ($Options{'nostyle'}) {
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print '<table width="100%" border="1" cellspacing=\"0\"><caption>' .
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$Month . ' ' . $Year . '</caption>' . "\n";
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print '<tr>';
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$class = ' width="14%"';
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} else {
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print '<table class="rem-cal"><caption class="rem-cal-caption">' .
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$Month . ' ' . $Year . '</caption>' . "\n";
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print '<tr class="rem-cal-hdr-row">';
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$class = ' class="rem-cal-hdr"';
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}
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if (!$Mondayfirst) {
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print "<th$class>" . $Daynames[0] . '</th>';
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}
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for (my $i=1; $i<7; $i++) {
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print "<th$class>" . $Daynames[$i] . '</th>';
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}
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if ($Mondayfirst) {
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print "<th$class>" . $Daynames[0] . '</th>';
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}
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print "</tr>\n";
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# Start the calendar rows
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my $col = 0;
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if ($Options{'nostyle'}) {
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print "<tr>\n";
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} else {
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print "<tr class=\"rem-cal-row\">\n";
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}
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if ($first_col > 0) {
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small_calendar($Prevmon, $Prevlen, $Options{'backurl'},
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($Firstwkday - $Prevlen + 35) % 7);
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$col++;
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}
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if ($last_col == 6) {
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small_calendar($Nextmon, $Nextlen, $Options{'forwurl'},
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($Firstwkday + $Numdays) % 7);
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$col++;
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}
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if ($Options{'nostyle'}) {
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$class = ' width="14%"';
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} else {
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$class = ' class="rem-empty"';
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}
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while ($col < $first_col) {
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print("<td$class> </td>\n");
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$col++;
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}
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for (my $day=1; $day<=$Numdays; $day++) {
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draw_day_cell($day);
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$col++;
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if ($col == 7) {
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$col = 0;
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print "</tr>\n";
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if ($day < $Numdays) {
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if ($Options{'nostyle'}) {
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print "<tr>\n";
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} else {
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print "<tr class=\"rem-cal-row\">\n";
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}
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}
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}
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}
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if ($col) {
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while ($col < 7) {
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if ($col == 5) {
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if ($first_col == 0) {
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small_calendar($Prevmon, $Prevlen, $Options{'backurl'},
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($Firstwkday - $Prevlen + 35) % 7);
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} else {
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print("<td$class> </td>\n");
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}
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} elsif ($col == 6) {
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small_calendar($Nextmon, $Nextlen, $Options{'forwurl'},
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($Firstwkday + $Numdays) % 7);
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} else {
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print("<td$class> </td>\n");
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}
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$col++;
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}
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print "</tr>\n";
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}
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# End the table
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print "</table>\n";
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}
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sub draw_day_cell
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{
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my($day) = @_;
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my $shade = $shades->[$day];
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my $class;
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if ($Options{'nostyle'}) {
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$class = $classes->[$day] || '';
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} else {
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$class = $classes->[$day] || "rem-cell";
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}
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if ($shade) {
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$shade = " style=\"background: $shade;\"";
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} else {
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$shade = "";
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}
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if ($class ne '') {
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print "<td class=\"$class\"$shade>\n<p>";
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} else {
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print "<td valign=\"top\" $shade>\n<p>";
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}
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if ($moons->[$day]) {
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my $phase = $moons->[$day]->{'phase'};
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my $msg = $moons->[$day]->{'msg'};
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$msg ||= '';
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if ($msg ne '') {
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$msg = ' ' . escape_html($msg);
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}
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my $img;
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my $alt;
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my $title;
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if ($phase == 0) {
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$img = 'newmoon.png';
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$title = 'New Moon';
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$alt = 'new';
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} elsif ($phase == 1) {
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$img = 'firstquarter.png';
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$title = 'First Quarter';
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$alt = '1st';
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} elsif ($phase == 2) {
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$img = 'fullmoon.png';
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$alt = 'full';
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$title = 'Full Moon';
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} else {
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$img = 'lastquarter.png';
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$alt = 'last';
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$title = 'Last Quarter';
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}
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if ($Options{'imgbase'}) {
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$img = $Options{'imgbase'} . '/' . $img;
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}
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if ($Options{'nostyle'}) {
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print("<div style=\"float: left\"><img border=\"0\" width=\"16\" height=\"16\" alt=\"$alt\" title=\"$title\" src=\"$img\">$msg</div>");
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} else {
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print("<div class=\"rem-moon\"><img border=\"0\" width=\"16\" height=\"16\" alt=\"$alt\" title=\"$title\" src=\"$img\">$msg</div>");
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}
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}
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if ($Options{'nostyle'}) {
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print "<div style=\"float: right\">$day</div></p>\n";
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print "<p> </p>\n";
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} else {
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print "<div class=\"rem-daynumber\">$day</div></p>\n";
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print "<p class=\"rem-entry\"> </p>\n";
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}
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if ($days->[$day]) {
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print(join("\n", @{$days->[$day]}));
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}
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print "</td>\n";
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}
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sub escape_html
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{
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my($in) = @_;
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$in =~ s/\&/\&/g;
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$in =~ s/\</\</g;
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$in =~ s/\>/\>/g;
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return $in;
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}
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parse_options();
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if ($Options{'help'}) {
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usage(0);
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exit(0);
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} elsif ($Options{'version'}) {
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print "rem2html version $rem2html_version.\n";
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exit(0);
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}
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if (-t STDIN) {
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print STDERR "$TIDY_PROGNAME: Input should not come from a terminal.\n\n";
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usage(1);
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}
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my $found_something = 0;
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while(1) {
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last if (!parse_input());
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start_output() unless $found_something;
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$found_something = 1;
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output_calendar();
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}
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if ($found_something) {
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end_output();
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exit(1);
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} else {
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print STDERR "$TIDY_PROGNAME: Could not find any calendar data on STDIN.\n";
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exit(1);
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}
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