1 files changed, 86 insertions, 0 deletions
diff --git a/bin/vcalendar-filter b/bin/vcalendar-filter
new file mode 100755
index 0000000..ffdf27a
--- /dev/null
+++ b/bin/vcalendar-filter
@@ -0,0 +1,86 @@
+#!/usr/bin/perl
+
+# vcalendar-filter is a simple filter to give plain text representations of vcards
+# Copyright (C) 2008  Martyn Smith
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# This script takes a simple VCALENDAR file as input on STDIN and produces a
+# human readable text/plain representation of it on STDOUT
+#
+# It has been designed for use with mutt's auto_view config option, see the
+# README file for more details
+
+use strict;
+use warnings;
+
+use Data::ICal;
+use Text::Autoformat;
+
+my $body = eval { local $/ = undef; <> };
+my $calendar = Data::ICal->new(data => $body);
+
+# If parsing failed, try parsing as version 1.0
+$calendar = Data::ICal->new(data => $body, vcal10 => 1) unless $calendar;
+
+# If parsing failed, give up :-(
+unless ( $calendar ) {
+    print "Unable to parse vcalendar: ", $calendar->error_message, "\n";
+    print $body;
+    exit 1;
+}
+
+foreach my $entry ( @{$calendar->{entries}} ) {
+    my $properties;
+
+    foreach my $property ( keys %{$entry->properties} ) {
+        next unless defined $entry->property($property);
+        $properties->{$property} = join(', ', map { $_->decoded_value } @{$entry->property($property)});
+        if ( $property eq 'description' ) {
+            $properties->{$property} = "$properties->{$property}";
+
+            $properties->{$property} = autoformat $properties->{$property}, {
+                all => 1,
+                left => 15,
+            };
+            $properties->{$property} =~ s/^\s*// if defined $properties->{$property};
+        }
+        elsif ( $property =~ m{ \A dt (?: start | end ) \z }xms ) {
+            if ( $properties->{$property} =~ m{ (\d\d\d\d)(\d\d)(\d\d)T(\d\d)(\d\d)(\d\d) }xms ) {
+                $properties->{$property} = "$1-$2-$3 $4:$5";
+            }
+        }
+    }
+
+    if ( $entry->ical_entry_type eq 'VTIMEZONE' ) {
+        unless ( defined $properties->{tzid} and $properties->{tzid} =~ m{Pacific/Auckland} ) {
+            print "Timezone    : ", $properties->{tzid}, "\n";
+            print "\n";
+        }
+    }
+    elsif ( $entry->ical_entry_type eq 'VEVENT' ) {
+        print '-' x 72, "\n";
+        foreach my $key ( qw(summary BR description BR location organizer dtstart dtend) ) {
+            if ( $key eq 'BR' ) {
+                print "\n";
+                next;
+            }
+            next unless defined $properties->{$key};
+            printf "%-12s: %s\n", ucfirst $key, $properties->{$key};
+        }
+    }
+    else {
+        print "WARNING: Unknown entry type: ", $entry->ical_entry_type, "\n";
+    }
+}