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#!/usr/bin/env perl
## Copyright © 2009 by Daniel Friesel <derf@derf.homelinux.org>
## License: WTFPL <http://sam.zoy.org/wtfpl>
use strict;
use warnings;
use 5.010;
use encoding 'utf8';
use Getopt::Long;
use WWW::Mechanize;
my $firsturl = 'http://efa.vrr.de/vrr/XSLT_TRIP_REQUEST2?language=de&itdLPxx_transpCompany=vrr';
my $posturl = 'http://efa.vrr.de/vrr/XSLT_TRIP_REQUEST2';
my $content;
my %post;
my $www = WWW::Mechanize->new(
autocheck => 1,
);
my $offer = 0;
my $i = 0;
my $raw;
my $cons;
my $groupsize = 8;
my $offset;
my (@from, @to, @via);
my ($time, $time_depart, $time_arrive);
my $date;
my $restrict;
my $debug = 0;
$post{type_origin} = 'stop';
$post{type_destination} = 'stop';
GetOptions(
'arrive=s' => \$time_arrive,
'date=s' => \$date,
'debug' => \$debug,
'depart=s' => \$time_depart,
'from=s{2}' => \@from,
'post=s' => \%post,
'restrict=s' => \$restrict,
'time=s' => \$time,
'to=s{2}' => \@to,
'via=s{2}' => \@via,
);
unless (@to == 2 and @from == 2) {
print STDERR "Usage: efa --from <city> <stop> --to <city> <stop> [other options]\n";
exit(1);
}
@post{'place_origin','name_origin'} = @from;
@post{'place_destination','name_destination'} = @to;
if (@via == 2) {
@post{'place_via','name_via'} = @via;
}
if ($time_arrive) {
$time = $time_arrive;
$post{itdTripDateTimeDepArr} = 'arr';
} elsif ($time_depart) {
$time = $time_depart;
$post{itdTripDateTimeDepArr} = 'dep';
}
if ($time) {
@post{'itdTimeHour','itdTimeMinute'} = split(/:/, $time);
}
if ($date) {
@post{'itdDateDay','itdDateMonth','itdDateYear'} = split(/\./, $date);
}
if ($restrict) {
given ($restrict) {
when('local') { $post{lineRestriction} = 403 }
when('ic') { $post{lineRestriction} = 401 }
when('ice') { $post{lineRestriction} = 400 }
when(/\d+/) { $post{lineRestriction} = $restrict }
default {
print STDERR "--restrict usage: local / ic / ice\n";
}
}
}
$www->get($firsturl);
$www->submit_form(
form_name => 'jp',
fields => \%post,
);
$content = $www->content;
# ambiguous input
if ($content =~ /<span class="errorTextBold">Bitte auswählen<\/span>/s) {
print STDERR "Ambiguous input for ";
if ($content =~ /<select name="(?<what>(place|type|name)_(origin|destination))"/) {
print STDERR "$+{what}\n";
} else {
print STDERR "unknown\n";
}
while ($content =~ /<option value="\d+:\d+"( selected)?>(?<choice>[^<]+)<\/option>/gs) {
print STDERR "\t$+{choice}\n";
}
exit(1);
}
foreach (split(/<span class="labelTextBold"> \d+\. Fahrt<\/span>/, $content)) {
unless ($offer) {
$offer++;
next;
}
foreach(split(/\n/)) {
if (/<span class="labelText">(?<content>[^<]+)<\/span>/) {
push(@{$raw->[$offer-1]}, $+{content});
}
}
$offer++;
}
if ($debug) {
print STDERR "custom post values used in query:\n";
foreach(keys(%post)) {
print STDERR " $_ => $post{$_}\n";
}
print STDERR "\nraw response:\n";
foreach(@$raw) {
print STDERR "---\n";
foreach(@$_) {
print STDERR "$_\n";
}
}
}
for ($offer = 0; exists($raw->[$offer]); $offer++) {
for ($i = 0; @{$raw->[$offer]} >= (($i+1) * $groupsize); $i++) {
$offset = $i * $groupsize;
# If the first field is not a time we've got some additional information.
# Sadly, this script does not parse it yet, so it's ignored
until ($raw->[$offer]->[$offset] =~ /^\d+:\d+$/) {
last unless exists($raw->[$offer]->[++$offset]);
}
$cons->[$offer]->[$i] = {
deptime => $raw->[$offer]->[$offset],
dep => $raw->[$offer]->[$offset+1],
depstop => $raw->[$offer]->[$offset+2],
deptrain => $raw->[$offer]->[$offset+3],
depdest => $raw->[$offer]->[$offset+7],
arrtime => $raw->[$offer]->[$offset+4],
arr => $raw->[$offer]->[$offset+5],
arrstop => $raw->[$offer]->[$offset+6],
};
}
}
foreach (@$cons) {
foreach (@$_) {
printf(
"%-5s %-2s %-30s %-20s %s\n%-5s %-2s %-30s\n\n",
$_->{deptime}, $_->{dep}, $_->{depstop}, $_->{deptrain},
$_->{depdest}, $_->{arrtime}, $_->{arr}, $_->{arrstop}
);
}
print "------\n\n";
}
__END__
=head1 NAME
efa - unofficial efa.vrr.de command line client
=head1 SYNOPSIS
B<efa> B<--from> I<city> I<stop> B<--to> I<city> I<stop> [ I<additional options> ]
=head1 DESCRIPTION
B<efa> is a command line client for the L<http://efa.vrr.de> web interface.
It sends the specified information to the online form and displays the results
=head1 OPTIONS
=over
=item B<--from> I<city> I<stop> (mandatory)
Departure place
=item B<--to> I<city> I<stop> (mandatory)
Arrival place
=item B<--via> I<city> I<stop>
Travel via this place
=item B<--time>|B<--depart> I<hh>:I<mm>
Journey start time
=item B<--arrive> I<hh>:I<mm>
Journey end time (overrides --time/--depart)
=item B<--date> I<dd>.I<mm>.I<yyyy>
Journey date
=item B<--restrict> I<type>
Only accept connections using trains of type I<type>, where I<type> may be:
=over
=item * local
only take local trains ("Verbund-/Nahverkehrslinien"). Slow, but the cheapest
method if you're not travelling long distance
=item * ic
All trains exctep ICE
=item * ice
All trains
=back
=item B<--debug>
Display debug information (additional post requests sent to the site,
raw items received from the site)
=item B<--post> I<key>=I<value>
Add I<key> with I<value> to the HTTP POST request sent to the EFA server.
This can be used to use setting B<efa> does not yet cover, like
C<--post lineRestriction=400> to also show IC and ICE trains.
Note that B<--post> will be overridden by the standard efa options, such as
B<--time>.
=back
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