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authorDaniel Friesel <derf@finalrewind.org>2015-09-09 22:57:17 +0200
committerDaniel Friesel <derf@finalrewind.org>2015-09-09 22:57:17 +0200
commit556f259834d75cad6a2feeb1c5106204d5921a28 (patch)
tree70a387f46eab0bc1bdde95b3425b807c4e19295c /lib/Travel
parent2e03d069b24a5bf27fb035386594c904fa7ff496 (diff)
Squashed commit of the following:
commit 73bb123b4a90dab9a08fa38555f0cd4afcdf3740 Author: Daniel Friesel <derf@finalrewind.org> Date: Wed Sep 9 21:08:51 2015 +0200 remove outdated and now unused tests commit 3f35ba0001aaff49a7b10acfaa83303b354c162a Author: Daniel Friesel <derf@finalrewind.org> Date: Wed Sep 9 21:07:34 2015 +0200 documentation for ::DeutscheBahn commit f4c66605dcbffedbb558ca66c5032e5252011244 Author: Daniel Friesel <derf@finalrewind.org> Date: Wed Sep 9 21:03:31 2015 +0200 re-add deutschebahn module commit 41b505bc98d4b25a7ca15465fe0bbee6c3708e9e Author: Daniel Friesel <derf@finalrewind.org> Date: Tue Sep 8 18:31:22 2015 +0200 more documentation updates commit edf7b5fbd8175b4b53735859b2a961fe6ab8cf49 Author: Daniel Friesel <derf@finalrewind.org> Date: Sun Sep 6 18:48:09 2015 +0200 improve delay and delayReason handling commit c4e9121a181de9d800226ab6fccca8abb8b14705 Author: Daniel Friesel <derf@finalrewind.org> Date: Sun Sep 6 18:22:23 2015 +0200 HAFAS.pm: Code cleanup commit edae36b16ecc5e1fa0adbece954bb348ce37e9a0 Author: Daniel Friesel <derf@finalrewind.org> Date: Sun Sep 6 13:31:46 2015 +0200 add devmode option commit f7a60ae80e59a129aae77b276925f80d7430c259 Author: Daniel Friesel <derf@finalrewind.org> Date: Sun Sep 6 01:18:28 2015 +0200 support for platform changes commit 6876d56e6dd22065c342fe1fbf42f9fcf7f3d457 Author: Daniel Friesel <derf@finalrewind.org> Date: Thu Aug 20 20:01:24 2015 +0200 documentation: DeutscheBahn -> HAFAS commit 73706f0150bd0fb9c11d2b8be89204bfd4b03235 Author: Daniel Friesel <derf@finalrewind.org> Date: Thu Aug 20 19:54:12 2015 +0200 routes and route_info are not supported here commit af8a541fd1f03131a9cd39a5548188dbc09b266a Author: Daniel Friesel <derf@finalrewind.org> Date: Thu Aug 20 19:50:35 2015 +0200 documentationfoo commit ff3f2298c7be86bb7b672359f54c39588706673e Author: Daniel Friesel <derf@finalrewind.org> Date: Thu Aug 20 19:14:30 2015 +0200 rename db-ris to hafas-m commit 754fda9974e20ee630a3a3386d6ff7c42468ca46 Author: Daniel Friesel <derf@finalrewind.org> Date: Thu Aug 20 17:18:12 2015 +0200 add support for cancelled trains and delay reasons commit f860183613ee7818a2f448e8c40bbbdb95c6180a Author: Daniel Friesel <derf@finalrewind.org> Date: Wed Aug 19 15:19:54 2015 +0200 add info message support commit 17eda1d00cdbf98a04dbbe7d3ff89c6833af016d Author: Daniel Friesel <derf@finalrewind.org> Date: Sun Aug 16 18:00:05 2015 +0200 initial hafas api support
Diffstat (limited to 'lib/Travel')
-rw-r--r--lib/Travel/Status/DE/DeutscheBahn.pm333
-rw-r--r--lib/Travel/Status/DE/DeutscheBahn/Result.pm365
-rw-r--r--lib/Travel/Status/DE/HAFAS.pm346
-rw-r--r--lib/Travel/Status/DE/HAFAS/Result.pm277
4 files changed, 642 insertions, 679 deletions
diff --git a/lib/Travel/Status/DE/DeutscheBahn.pm b/lib/Travel/Status/DE/DeutscheBahn.pm
index 94af401..edec8fe 100644
--- a/lib/Travel/Status/DE/DeutscheBahn.pm
+++ b/lib/Travel/Status/DE/DeutscheBahn.pm
@@ -4,258 +4,16 @@ use strict;
use warnings;
use 5.010;
-no if $] >= 5.018, warnings => "experimental::smartmatch";
-
-use Carp qw(confess);
-use LWP::UserAgent;
-use POSIX qw(strftime);
-use Travel::Status::DE::DeutscheBahn::Result;
-use XML::LibXML;
+use parent 'Travel::Status::DE::HAFAS';
our $VERSION = '1.05';
sub new {
- my ( $obj, %conf ) = @_;
- my $date = strftime( '%d.%m.%Y', localtime(time) );
- my $time = strftime( '%H:%M', localtime(time) );
-
- my %lwp_options = %{ $conf{lwp_options} // { timeout => 10 } };
-
- my $ua = LWP::UserAgent->new(%lwp_options);
-
- $ua->env_proxy;
-
- my $reply;
-
- my $lang = $conf{language} // 'd';
-
- if ( not $conf{station} ) {
- confess('You need to specify a station');
- }
-
- my $ref = {
- mot_filter => [
- $conf{mot}->{ice} // 1,
- $conf{mot}->{ic_ec} // 1,
- $conf{mot}->{d} // 1,
- $conf{mot}->{nv} // 1,
- $conf{mot}->{s} // 1,
- $conf{mot}->{bus} // 0,
- $conf{mot}->{ferry} // 0,
- $conf{mot}->{u} // 0,
- $conf{mot}->{tram} // 0,
- ],
- post => {
- advancedProductMode => q{},
- input => $conf{station},
- date => $conf{date} || $date,
- time => $conf{time} || $time,
- REQTrain_name => q{},
- start => 'yes',
- boardType => $conf{mode} // 'dep',
-
- # L => 'vs_java3',
- },
- };
-
- for my $i ( 0 .. @{ $ref->{mot_filter} } ) {
- if ( $ref->{mot_filter}->[$i] ) {
- $ref->{post}->{"GUIREQProduct_$i"} = 'on';
- }
- }
-
- bless( $ref, $obj );
+ my ( $class, %opt ) = @_;
- $reply
- = $ua->post(
- "http://reiseauskunft.bahn.de/bin/bhftafel.exe/${lang}n?rt=1",
- $ref->{post} );
+ $opt{service} = 'deutschebahn';
- if ( $reply->is_error ) {
- $ref->{errstr} = $reply->status_line();
- return $ref;
- }
-
- $ref->{html} = $reply->content;
-
- $ref->{tree} = XML::LibXML->load_html(
- string => $ref->{html},
- recover => 2,
- suppress_errors => 1,
- suppress_warnings => 1,
- );
-
- $ref->check_input_error();
-
- return $ref;
-}
-
-sub new_from_html {
- my ( $obj, %opt ) = @_;
-
- my $ref = {
- html => $opt{html},
- post => { boardType => $opt{mode} // 'dep' }
- };
-
- $ref->{post}->{boardType} = $opt{mode} // 'dep';
-
- $ref->{tree} = XML::LibXML->load_html(
- string => $ref->{html},
- recover => 2,
- suppress_errors => 1,
- suppress_warnings => 1,
- );
-
- return bless( $ref, $obj );
-}
-
-sub check_input_error {
- my ($self) = @_;
-
- my $xp_errdiv = XML::LibXML::XPathExpression->new(
- '//div[@class = "errormsg leftMargin"]');
- my $xp_opts
- = XML::LibXML::XPathExpression->new('//select[@class = "error"]');
- my $xp_values = XML::LibXML::XPathExpression->new('./option');
-
- my $e_errdiv = ( $self->{tree}->findnodes($xp_errdiv) )[0];
- my $e_opts = ( $self->{tree}->findnodes($xp_opts) )[0];
-
- if ($e_errdiv) {
- $self->{errstr} = $e_errdiv->textContent;
-
- if ($e_opts) {
- my @nodes = ( $e_opts->findnodes($xp_values) );
- $self->{errstr}
- .= join( q{}, map { "\n" . $_->textContent } @nodes );
- }
- }
-
- return;
-}
-
-sub errstr {
- my ($self) = @_;
-
- return $self->{errstr};
-}
-
-sub get_node {
- my ( $parent, $name, $xpath, $index ) = @_;
- $index //= 0;
-
- my @nodes = $parent->findnodes($xpath);
-
- if ( $#nodes < $index ) {
-
- # called by map, so we must explicitly return undef.
- ## no critic (Subroutines::ProhibitExplicitReturnUndef)
- return undef;
- }
-
- my $node = $nodes[$index];
-
- return $node->textContent;
-}
-
-sub results {
- my ($self) = @_;
- my $mode = $self->{post}->{boardType};
-
- my $xp_element = XML::LibXML::XPathExpression->new(
- "//table[\@class = \"result stboard ${mode}\"]/tr");
- my $xp_train_more = XML::LibXML::XPathExpression->new('./td[3]/a');
-
- # bhftafel.exe is not y2k1-safe
- my $re_morelink = qr{ date = (?<date> .. [.] .. [.] .. ) }x;
-
- my @parts = (
- [ 'time', './td[@class="time"]' ],
- [ 'train', './td[3]' ],
- [ 'route', './td[@class="route"]' ],
- [ 'dest', './td[@class="route"]//a' ],
- [ 'platform', './td[@class="platform"]' ],
- [ 'info', './td[@class="ris"]' ],
- [ 'routeinfo', './td[@class="route"]//span[@class="red bold"]' ],
- );
-
- @parts = map { [ $_->[0], XML::LibXML::XPathExpression->new( $_->[1] ) ] }
- @parts;
-
- my $re_via = qr{
- ^ \s* (?<stop> .+? ) \s* \n
- (?<time> \d{1,2}:\d{1,2} )
- }mx;
-
- if ( defined $self->{results} ) {
- return @{ $self->{results} };
- }
- if ( not defined $self->{tree} ) {
- return;
- }
-
- $self->{results} = [];
-
- for my $tr ( @{ $self->{tree}->findnodes($xp_element) } ) {
-
- my @via;
- my $first = 1;
- my ( $time, $train, $route, $dest, $platform, $info, $routeinfo )
- = map { get_node( $tr, @{$_} ) } @parts;
- my $e_train_more = ( $tr->findnodes($xp_train_more) )[0];
-
- if ( not( $time and $dest ) ) {
- next;
- }
-
- $e_train_more->getAttribute('href') =~ $re_morelink;
-
- my $date = $+{date};
-
- substr( $date, 6, 0 ) = '20';
-
- $platform //= q{};
- $info //= q{};
- $routeinfo //= q{};
-
- for my $str ( $time, $train, $dest, $platform, $info, $routeinfo ) {
- $str =~ s/\n/ /mg;
- $str =~ tr/ //s;
- $str =~ s/^ +//;
- $str =~ s/ +$//;
- }
-
- while ( $route =~ m{$re_via}g ) {
- if ($first) {
- $first = 0;
- next;
- }
-
- if ( $+{stop} =~ m{ [(] Halt \s entf.llt [)] }ox ) {
- next;
- }
-
- push( @via, [ $+{time}, $+{stop} ] );
- }
-
- push(
- @{ $self->{results} },
- Travel::Status::DE::DeutscheBahn::Result->new(
- date => $date,
- time => $time,
- train => $train,
- route_raw => $route,
- route => \@via,
- route_end => $dest,
- platform => $platform,
- info_raw => $info,
- routeinfo_raw => $routeinfo,
- )
- );
- }
-
- return @{ $self->{results} };
+ return $class->SUPER::new(%opt);
}
1;
@@ -264,14 +22,14 @@ __END__
=head1 NAME
-Travel::Status::DE::DeutscheBahn - Interface to the DeutscheBahn online
-arrival/departure monitor
+Travel::Status::DE::HAFAS - Interface to HAFAS-based online arrival/departure
+monitors
=head1 SYNOPSIS
- use Travel::Status::DE::DeutscheBahn;
+ use Travel::Status::DE::HAFAS;
- my $status = Travel::Status::DE::DeutscheBahn->new(
+ my $status = Travel::Status::DE::HAFAS->new(
station => 'Essen Hbf',
);
@@ -295,8 +53,8 @@ version 1.05
=head1 DESCRIPTION
-Travel::Status::DE::DeutscheBahn is an interface to the DeutscheBahn
-arrival/departure monitor available at
+Travel::Status::DE::DeutscheBahn is an interface to the Deutsche Bahn
+departure monitor available at
L<http://reiseauskunft.bahn.de/bin/bhftafel.exe/dn>.
It takes a station name and (optional) date and time and reports all arrivals
@@ -310,67 +68,12 @@ unspecified).
=item my $status = Travel::Status::DE::DeutscheBahn->new(I<%opts>)
Requests the departures/arrivals as specified by I<opts> and returns a new
-Travel::Status::DE::DeutscheBahn element with the results. Dies if the wrong
+Travel::Status::DE::HAFAS element with the results. Dies if the wrong
I<opts> were passed.
-Supported I<opts> are:
-
-=over
-
-=item B<station> => I<station>
-
-The train station to report for, e.g. "Essen HBf" or
-"Alfredusbad, Essen (Ruhr)". Mandatory.
-
-=item B<date> => I<dd>.I<mm>.I<yyyy>
-
-Date to report for. Defaults to the current day.
-
-=item B<language> => I<language>
-
-Set language for additional information. Accepted arguments: B<d>eutsch,
-B<e>nglish, B<i>talian, B<n> (dutch).
-
-=item B<lwp_options> => I<\%hashref>
-
-Passed on to C<< LWP::UserAgent->new >>. Defaults to C<< { timeout => 10 } >>,
-you can use an empty hashref to override it.
-
-=item B<time> => I<hh>:I<mm>
-
-Time to report for. Defaults to now.
-
-=item B<mode> => B<arr>|B<dep>
-
-By default, Travel::Status::DE::DeutscheBahn reports train departures
-(B<dep>). Set this to B<arr> to get arrivals instead.
-
-=item B<mot> => I<\%hashref>
-
-Modes of transport to show. Accepted keys are: B<ice> (ICE trains), B<ic_ec>
-(IC and EC trains), B<d> (InterRegio and similarly fast trains), B<nv>
-("Nahverkehr", mostly RegionalExpress trains), B<s> ("S-Bahn"), B<bus>,
-B<ferry>, B<u> ("U-Bahn") and B<tram>.
-
-Setting a mode (as hash key) to 1 includes it, 0 excludes it. undef leaves it
-at the default.
-
-By default, the following are shown: ice, ic_ec, d, nv, s.
-
-=back
-
-=item $status->errstr
-
-In case of an error in the HTTP request, returns a string describing it. If
-no error occurred, returns undef.
-
-=item $status->results
-
-Returns a list of arrivals/departures. Each list element is a
-Travel::Status::DE::DeutscheBahn::Result(3pm) object.
-
-If no matching results were found or the parser / http request failed, returns
-undef.
+Calls Travel::Status::DE::HAFAS->new with service = DB. All I<opts> are passed
+on. Please see Travel::Status::DE::HAFAS(3pm) for I<opts> documentation
+and other methdos.
=back
@@ -386,21 +89,23 @@ None.
=item * LWP::UserAgent(3pm)
+=item * Travel::Status::DE::HAFAS(3pm)
+
=item * XML::LibXML(3pm)
=back
=head1 BUGS AND LIMITATIONS
-There are a few character encoding issues.
+Unknown.
=head1 SEE ALSO
-Travel::Status::DE::DeutscheBahn::Result(3pm).
+Travel::Status::DE::HAFAS(3pm).
=head1 AUTHOR
-Copyright (C) 2011 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
+Copyright (C) 2015 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
=head1 LICENSE
diff --git a/lib/Travel/Status/DE/DeutscheBahn/Result.pm b/lib/Travel/Status/DE/DeutscheBahn/Result.pm
deleted file mode 100644
index be9ec18..0000000
--- a/lib/Travel/Status/DE/DeutscheBahn/Result.pm
+++ /dev/null
@@ -1,365 +0,0 @@
-package Travel::Status::DE::DeutscheBahn::Result;
-
-use strict;
-use warnings;
-use 5.010;
-
-no if $] >= 5.018, warnings => "experimental::smartmatch";
-
-use parent 'Class::Accessor';
-
-our $VERSION = '1.05';
-
-Travel::Status::DE::DeutscheBahn::Result->mk_ro_accessors(
- qw(date time train route_end route_raw platform info_raw routeinfo_raw));
-
-sub new {
- my ( $obj, %conf ) = @_;
-
- my $ref = \%conf;
-
- return bless( $ref, $obj );
-}
-
-sub destination {
- my ($self) = @_;
-
- return $self->{route_end};
-}
-
-sub line {
- my ($self) = @_;
-
- return $self->{train};
-}
-
-sub info {
- my ($self) = @_;
-
- my $info = $self->info_raw;
-
- $info =~ s{ ,Grund }{}ox;
- $info =~ s{ ^ \s+ }{}ox;
- $info
- =~ s{ (?: ^ | , ) (?: p.nktlich | [nk] [.] [Aa] [.] | on \s time ) }{}ox;
- $info =~ s{ ^ , }{}ox;
-
- return $info;
-}
-
-sub delay {
- my ($self) = @_;
-
- my $info = $self->info_raw;
-
- if ( $info =~ m{ p.nktlich }ox ) {
- return 0;
- }
- if ( $info =~ m{ (?: ca \. \s* )? \+ (?<delay> \d+) :? \s* }ox ) {
- return $+{delay};
- }
-
- return;
-}
-
-sub is_cancelled {
- my ($self) = @_;
- my $info = $self->info_raw;
-
- if ( $info =~ m{ Fahrt \s f.llt \s aus }ox ) {
- return 1;
- }
- return 0;
-}
-
-sub origin {
- my ($self) = @_;
-
- return $self->{route_end};
-}
-
-sub route {
- my ($self) = @_;
-
- my @stops = map { $_->[1] } @{ $self->{route} };
- return @stops;
-}
-
-sub route_info {
- my ($self) = @_;
-
- my $route_info = $self->routeinfo_raw;
-
- $route_info =~ s{ ^ [\s\n]+ }{}x;
- $route_info =~ s{ [\s\n]+ $ }{}x;
-
- return $route_info;
-}
-
-sub route_interesting {
- my ( $self, $max_parts ) = @_;
-
- my @via = $self->route;
- my ( @via_main, @via_show, $last_stop );
- $max_parts //= 3;
-
- for my $stop (@via) {
- if ( $stop =~ m{ Hbf | Flughafen }ox ) {
- push( @via_main, $stop );
- }
- }
- $last_stop = pop(@via);
-
- if ( @via_main and $via_main[-1] eq $last_stop ) {
- pop(@via_main);
- }
-
- if ( @via_main and @via and $via[0] eq $via_main[0] ) {
- shift(@via_main);
- }
-
- if ( @via < $max_parts ) {
- @via_show = @via;
- }
- else {
- if ( @via_main >= $max_parts ) {
- @via_show = ( $via[0] );
- }
- else {
- @via_show = splice( @via, 0, $max_parts - @via_main );
- }
-
- while ( @via_show < $max_parts and @via_main ) {
- my $stop = shift(@via_main);
- if ( $stop ~~ \@via_show or $stop eq $last_stop ) {
- next;
- }
- push( @via_show, $stop );
- }
- }
-
- for (@via_show) {
- s{ ?Hbf}{};
- }
-
- return @via_show;
-
-}
-
-sub route_timetable {
- my ($self) = @_;
-
- return @{ $self->{route} };
-}
-
-sub TO_JSON {
- my ($self) = @_;
-
- return { %{$self} };
-}
-
-sub type {
- my ($self) = @_;
-
- # $self->{train} is either "TYPE 12345" or "TYPE12345"
- my ($type) = ( $self->{train} =~ m{ ^ ([A-Z]+) }x );
-
- return $type;
-}
-
-1;
-
-__END__
-
-=head1 NAME
-
-Travel::Status::DE::DeutscheBahn::Result - Information about a single
-arrival/departure received by Travel::Status::DE::DeutscheBahn
-
-=head1 SYNOPSIS
-
- for my $departure ($status->results) {
- printf(
- "At %s: %s to %s from platform %s\n",
- $departure->time,
- $departure->line,
- $departure->destination,
- $departure->platform,
- );
- }
-
- # or (depending on module setup)
- for my $arrival ($status->results) {
- printf(
- "At %s: %s from %s on platform %s\n",
- $arrival->time,
- $arrival->line,
- $arrival->origin,
- $arrival->platform,
- );
- }
-
-=head1 VERSION
-
-version 1.05
-
-=head1 DESCRIPTION
-
-Travel::Status::DE::DeutscheBahn::Result describes a single arrival/departure
-as obtained by Travel::Status::DE::DeutscheBahn. It contains information about
-the platform, time, route and more.
-
-=head1 METHODS
-
-=head2 ACCESSORS
-
-=over
-
-=item $result->date
-
-Arrival/Departure date in "dd.mm.yyyy" format.
-
-=item $result->delay
-
-Returns the train's delay in minutes, or undef if it is unknown.
-
-=item $result->info
-
-Returns additional information, for instance the reason why the train is
-delayed. May be an empty string if no (useful) information is available.
-
-=item $result->is_cancelled
-
-True if the train was cancelled, false otherwise.
-
-=item $result->line
-
-=item $result->train
-
-Returns the line name, either in a format like "S 1" (S-Bahn line 1)
-or "RE 10111" (RegionalExpress train 10111, no line information).
-
-=item $result->platform
-
-Returns the platform from which the train will depart / at which it will
-arrive.
-
-=item $result->route
-
-Returns a list of station names the train will pass between the selected
-station and its origin/destination.
-
-=item $result->route_end
-
-Returns the last element of the route. Depending on how you set up
-Travel::Status::DE::DeutscheBahn (arrival or departure listing), this is
-either the train's destination or its origin station.
-
-=item $result->destination
-
-=item $result->origin
-
-Convenience aliases for $result->route_end.
-
-=item $result->route_interesting([I<max>])
-
-Returns a list of up to I<max> (default: 3) interesting stations the train
-will pass on its journey. Since deciding whether a station is interesting or
-not is somewhat tricky, this feature should be considered experimental.
-
-The first element of the list is always the train's next stop. The following
-elements contain as many main stations as possible, but there may also be
-smaller stations if not enough main stations are available.
-
-In future versions, other factors may be taken into account as well. For
-example, right now airport stations are usually not included in this list,
-although they should be.
-
-Note that all main stations will be stripped of their "Hbf" suffix.
-
-=item $result->route_raw
-
-Returns the raw string used to create the route array.
-
-Note that cancelled stops are filtered from B<route>, but still present in
-B<route_raw>.
-
-=item $result->route_timetable
-
-Similar to B<route>. however, this function returns a list of array
-references of the form C<< [ arrival time, station name ] >>.
-
-=item $result->route_info
-
-Returns a string containing information related to the train's route, such as
-"landslide between X and Y, expect delays".
-
-=item $result->time
-
-Returns the arrival/departure time as string in "hh:mm" format.
-
-=item $result->type
-
-Returns the type of this train, e.g. "S" for S-Bahn, "RE" for Regional Express
-or "ICE" for InterCity-Express.
-
-=back
-
-=head2 INTERNAL
-
-=over
-
-=item $result = Travel::Status::DE::DeutscheBahn::Result->new(I<%data>)
-
-Returns a new Travel::Status::DE::DeutscheBahn::Result object.
-You usually do not need to call this.
-
-Required I<data>:
-
-=over
-
-=item B<time> => I<hh:mm>
-
-=item B<train> => I<string>
-
-=item B<route_raw> => I<string>
-
-=item B<route> => I<arrayref>
-
-=item B<route_end> => I<string>
-
-=item B<platform> => I<string>
-
-=item B<info_raw> => I<string>
-
-=back
-
-=back
-
-=head1 DIAGNOSTICS
-
-None.
-
-=head1 DEPENDENCIES
-
-=over
-
-=item Class::Accessor(3pm)
-
-=back
-
-=head1 BUGS AND LIMITATIONS
-
-None known.
-
-=head1 SEE ALSO
-
-Travel::Status::DE::DeutscheBahn(3pm).
-
-=head1 AUTHOR
-
-Copyright (C) 2011 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
-
-=head1 LICENSE
-
-This module is licensed under the same terms as Perl itself.
diff --git a/lib/Travel/Status/DE/HAFAS.pm b/lib/Travel/Status/DE/HAFAS.pm
new file mode 100644
index 0000000..d091f52
--- /dev/null
+++ b/lib/Travel/Status/DE/HAFAS.pm
@@ -0,0 +1,346 @@
+package Travel::Status::DE::HAFAS;
+
+use strict;
+use warnings;
+use 5.010;
+
+no if $] >= 5.018, warnings => "experimental::smartmatch";
+
+use Carp qw(confess);
+use LWP::UserAgent;
+use POSIX qw(strftime);
+use Travel::Status::DE::HAFAS::Result;
+use XML::LibXML;
+
+our $VERSION = '1.05';
+
+sub new {
+ my ( $obj, %conf ) = @_;
+
+ my $date = $conf{date} // strftime( '%d.%m.%Y', localtime(time) );
+ my $time = $conf{time} // strftime( '%H:%M', localtime(time) );
+ my $lang = $conf{language} // 'd';
+ my $mode = $conf{mode} // 'dep';
+ my $service = $conf{service} // 'DB';
+
+ my %lwp_options = %{ $conf{lwp_options} // { timeout => 10 } };
+
+ my $ua = LWP::UserAgent->new(%lwp_options);
+
+ $ua->env_proxy;
+
+ my $reply;
+
+ if ( not $conf{station} ) {
+ confess('You need to specify a station');
+ }
+
+ my $ref = {
+ active_service => $service,
+ developer_mode => $conf{developer_mode},
+ post => {
+ input => $conf{station},
+ date => $date,
+ time => $time,
+ start => 'yes', # value doesn't matter, just needs to be set
+ boardType => $mode,
+ L => 'vs_java3',
+ },
+ service => {
+ DB => {
+ url => 'http://reiseauskunft.bahn.de/bin/bhftafel.exe',
+ name => 'Deutsche Bahn',
+ productbits =>
+ [qw[ice ic_ec d nv s bus ferry u tram ondemand x x x x]],
+ }
+ },
+ };
+
+ bless( $ref, $obj );
+
+ $ref->set_productfilter;
+
+ my $url = $ref->{service}{$service}{url} . '/' . $lang . 'n';
+
+ $reply = $ua->post( $url, $ref->{post} );
+
+ if ( $reply->is_error ) {
+ $ref->{errstr} = $reply->status_line;
+ return $ref;
+ }
+
+ # the interface does not return valid XML (but it's close!)
+ $ref->{raw_xml}
+ = '<?xml version="1.0" encoding="iso-8859-15"?><wrap>'
+ . $reply->content
+ . '</wrap>';
+
+ if ( $ref->{developer_mode} ) {
+ say $ref->{raw_xml};
+ }
+
+ $ref->{tree} = XML::LibXML->load_xml(
+ string => $ref->{raw_xml},
+
+ # recover => 2,
+ # suppress_errors => 1,
+ # suppress_warnings => 1,
+ );
+
+ if ( $ref->{developer_mode} ) {
+ say $ref->{tree}->toString(1);
+ }
+
+ $ref->check_input_error;
+ return $ref;
+}
+
+sub set_productfilter {
+ my ($self) = @_;
+
+ my $service = $self->{active_service};
+
+ $self->{post}{productsFilter}
+ = '1' x ( scalar @{ $self->{service}{$service}{productbits} } );
+}
+
+sub check_input_error {
+ my ($self) = @_;
+
+ my $xp_err = XML::LibXML::XPathExpression->new('//Err');
+ my $err = ( $self->{tree}->findnodes($xp_err) )[0];
+
+ if ($err) {
+ $self->{errstr}
+ = $err->getAttribute('text')
+ . ' (code '
+ . $err->getAttribute('code') . ')';
+ }
+
+ return;
+}
+
+sub errstr {
+ my ($self) = @_;
+
+ return $self->{errstr};
+}
+
+sub results {
+ my ($self) = @_;
+ my $mode = $self->{post}->{boardType};
+
+ my $xp_element = XML::LibXML::XPathExpression->new('//Journey');
+ my $xp_msg = XML::LibXML::XPathExpression->new('./HIMMessage');
+
+ if ( defined $self->{results} ) {
+ return @{ $self->{results} };
+ }
+ if ( not defined $self->{tree} ) {
+ return;
+ }
+
+ $self->{results} = [];
+
+ for my $tr ( @{ $self->{tree}->findnodes($xp_element) } ) {
+
+ my @message_nodes = $tr->findnodes($xp_msg);
+ my $train = $tr->getAttribute('prod');
+ my $time = $tr->getAttribute('fpTime');
+ my $date = $tr->getAttribute('fpDate');
+ my $dest = $tr->getAttribute('targetLoc');
+ my $platform = $tr->getAttribute('platform');
+ my $new_platform = $tr->getAttribute('newpl');
+ my $delay = $tr->getAttribute('delay');
+ my $e_delay = $tr->getAttribute('e_delay');
+ my $info = $tr->getAttribute('delayReason');
+ my $routeinfo = $tr->textContent;
+ my @messages;
+
+ if ( not( $time and $dest ) ) {
+ next;
+ }
+
+ for my $n (@message_nodes) {
+ push( @messages, $n->getAttribute('header') );
+ }
+
+ substr( $date, 6, 0 ) = '20';
+
+ $info //= q{};
+ $routeinfo //= q{};
+
+ $train =~ s{#.*$}{};
+
+ push(
+ @{ $self->{results} },
+ Travel::Status::DE::HAFAS::Result->new(
+ date => $date,
+ raw_delay => $delay,
+ raw_e_delay => $e_delay,
+ messages => \@messages,
+ time => $time,
+ train => $train,
+ route_end => $dest,
+ platform => $platform,
+ new_platform => $new_platform,
+ info => $info,
+ routeinfo_raw => $routeinfo,
+ )
+ );
+ }
+
+ return @{ $self->{results} };
+}
+
+# static
+sub get_services {
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+Travel::Status::DE::HAFAS - Interface to HAFAS-based online arrival/departure
+monitors
+
+=head1 SYNOPSIS
+
+ use Travel::Status::DE::HAFAS;
+
+ my $status = Travel::Status::DE::HAFAS->new(
+ station => 'Essen Hbf',
+ );
+
+ if (my $err = $status->errstr) {
+ die("Request error: ${err}\n");
+ }
+
+ for my $departure ($status->results) {
+ printf(
+ "At %s: %s to %s from platform %s\n",
+ $departure->time,
+ $departure->line,
+ $departure->destination,
+ $departure->platform,
+ );
+ }
+
+=head1 VERSION
+
+version 1.05
+
+=head1 DESCRIPTION
+
+Travel::Status::DE::HAFAS is an interface to HAFAS-based
+arrival/departure monitors, for instance the one available at
+L<http://reiseauskunft.bahn.de/bin/bhftafel.exe/dn>.
+
+It takes a station name and (optional) date and time and reports all arrivals
+or departures at that station starting at the specified point in time (now if
+unspecified).
+
+=head1 METHODS
+
+=over
+
+=item my $status = Travel::Status::DE::HAFAS->new(I<%opts>)
+
+Requests the departures/arrivals as specified by I<opts> and returns a new
+Travel::Status::DE::HAFAS element with the results. Dies if the wrong
+I<opts> were passed.
+
+Supported I<opts> are:
+
+=over
+
+=item B<station> => I<station>
+
+The train station to report for, e.g. "Essen HBf" or
+"Alfredusbad, Essen (Ruhr)". Mandatory.
+
+=item B<date> => I<dd>.I<mm>.I<yyyy>
+
+Date to report for. Defaults to the current day.
+
+=item B<language> => I<language>
+
+Set language for additional information. Accepted arguments: B<d>eutsch,
+B<e>nglish, B<i>talian, B<n> (dutch).
+
+=item B<lwp_options> => I<\%hashref>
+
+Passed on to C<< LWP::UserAgent->new >>. Defaults to C<< { timeout => 10 } >>,
+you can use an empty hashref to override it.
+
+=item B<time> => I<hh>:I<mm>
+
+Time to report for. Defaults to now.
+
+=item B<mode> => B<arr>|B<dep>
+
+By default, Travel::Status::DE::HAFAS reports train departures
+(B<dep>). Set this to B<arr> to get arrivals instead.
+
+=item B<mot> => I<\%hashref>
+
+Modes of transport to show. Accepted keys are: B<ice> (ICE trains), B<ic_ec>
+(IC and EC trains), B<d> (InterRegio and similarly fast trains), B<nv>
+("Nahverkehr", mostly RegionalExpress trains), B<s> ("S-Bahn"), B<bus>,
+B<ferry>, B<u> ("U-Bahn") and B<tram>.
+
+Setting a mode (as hash key) to 1 includes it, 0 excludes it. undef leaves it
+at the default.
+
+By default, the following are shown: ice, ic_ec, d, nv, s.
+
+=back
+
+=item $status->errstr
+
+In case of an error in the HTTP request, returns a string describing it. If
+no error occurred, returns undef.
+
+=item $status->results
+
+Returns a list of arrivals/departures. Each list element is a
+Travel::Status::DE::HAFAS::Result(3pm) object.
+
+If no matching results were found or the parser / http request failed, returns
+undef.
+
+=back
+
+=head1 DIAGNOSTICS
+
+None.
+
+=head1 DEPENDENCIES
+
+=over
+
+=item * Class::Accessor(3pm)
+
+=item * LWP::UserAgent(3pm)
+
+=item * XML::LibXML(3pm)
+
+=back
+
+=head1 BUGS AND LIMITATIONS
+
+Unknown.
+
+=head1 SEE ALSO
+
+Travel::Status::DE::HAFAS::Result(3pm).
+
+=head1 AUTHOR
+
+Copyright (C) 2015 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
+
+=head1 LICENSE
+
+This module is licensed under the same terms as Perl itself.
diff --git a/lib/Travel/Status/DE/HAFAS/Result.pm b/lib/Travel/Status/DE/HAFAS/Result.pm
new file mode 100644
index 0000000..f2aee63
--- /dev/null
+++ b/lib/Travel/Status/DE/HAFAS/Result.pm
@@ -0,0 +1,277 @@
+package Travel::Status::DE::HAFAS::Result;
+
+use strict;
+use warnings;
+use 5.010;
+
+no if $] >= 5.018, warnings => 'experimental::smartmatch';
+
+use parent 'Class::Accessor';
+
+our $VERSION = '1.05';
+
+Travel::Status::DE::HAFAS::Result->mk_ro_accessors(
+ qw(date info raw_e_delay raw_delay time train route_end info_raw));
+
+sub new {
+ my ( $obj, %conf ) = @_;
+
+ my $ref = \%conf;
+
+ return bless( $ref, $obj );
+}
+
+sub delay {
+ my ($self) = @_;
+
+ if ( defined $self->{raw_e_delay} ) {
+ return $self->{raw_e_delay};
+ }
+ if ( defined $self->{raw_delay}
+ and $self->{raw_delay} ne q{-}
+ and $self->{raw_delay} ne 'cancel' )
+ {
+ return $self->{raw_delay};
+ }
+ return;
+}
+
+sub destination {
+ my ($self) = @_;
+
+ return $self->{route_end};
+}
+
+sub line {
+ my ($self) = @_;
+
+ return $self->{train};
+}
+
+sub is_cancelled {
+ my ($self) = @_;
+
+ if ( $self->{raw_delay} and $self->{raw_delay} eq 'cancel' ) {
+ return 1;
+ }
+ return 0;
+}
+
+sub is_changed_platform {
+ my ($self) = @_;
+
+ if ( defined $self->{new_platform} and defined $self->{platform} ) {
+ if ( $self->{new_platform} ne $self->{platform} ) {
+ return 1;
+ }
+ return 0;
+ }
+ if ( defined $self->{net_platform} ) {
+ return 1;
+ }
+
+ return 0;
+}
+
+sub messages {
+ my ($self) = @_;
+
+ if ( $self->{messages} ) {
+ return @{ $self->{messages} };
+ }
+ return;
+}
+
+sub origin {
+ my ($self) = @_;
+
+ return $self->{route_end};
+}
+
+sub platform {
+ my ($self) = @_;
+
+ return $self->{new_platform} // $self->{platform};
+}
+
+sub TO_JSON {
+ my ($self) = @_;
+
+ return { %{$self} };
+}
+
+sub type {
+ my ($self) = @_;
+
+ # $self->{train} is either "TYPE 12345" or "TYPE12345"
+ my ($type) = ( $self->{train} =~ m{ ^ ([[:upper:]]+) }x );
+
+ return $type;
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+Travel::Status::DE::HAFAS::Result - Information about a single
+arrival/departure received by Travel::Status::DE::HAFAS
+
+=head1 SYNOPSIS
+
+ for my $departure ($status->results) {
+ printf(
+ "At %s: %s to %s from platform %s\n",
+ $departure->time,
+ $departure->line,
+ $departure->destination,
+ $departure->platform,
+ );
+ }
+
+ # or (depending on module setup)
+ for my $arrival ($status->results) {
+ printf(
+ "At %s: %s from %s on platform %s\n",
+ $arrival->time,
+ $arrival->line,
+ $arrival->origin,
+ $arrival->platform,
+ );
+ }
+
+=head1 VERSION
+
+version 1.05
+
+=head1 DESCRIPTION
+
+Travel::Status::DE::HAFAS::Result describes a single arrival/departure
+as obtained by Travel::Status::DE::HAFAS. It contains information about
+the platform, time, route and more.
+
+=head1 METHODS
+
+=head2 ACCESSORS
+
+=over
+
+=item $result->date
+
+Arrival/Departure date in "dd.mm.yyyy" format.
+
+=item $result->delay
+
+Returns the train's delay in minutes, or undef if it is unknown.
+Also returns undef if the train has been cancelled.
+
+=item $result->info
+
+Returns additional information, for instance the most recent delay reason.
+Returns an empty string if no (useful) information is available.
+
+=item $result->is_cancelled
+
+True if the train was cancelled, false otherwise.
+
+=item $result->is_changed_platform
+
+True if the platform (as returned by the B<platform> accessor) is not the
+scheduled one. Note that the scheduled platform is unknown in this case.
+
+=item $result->messages
+
+Returns a list of message strings related to this train. Messages usually are
+service notices (e.g. "missing carriage") or detailed delay reasons
+(e.g. "switch damage between X and Y, expect delays").
+
+=item $result->line
+
+=item $result->train
+
+Returns the line name, either in a format like "S 1" (S-Bahn line 1)
+or "RE 10111" (RegionalExpress train 10111, no line information).
+
+=item $result->platform
+
+Returns the platform from which the train will depart / at which it will
+arrive. Realtime data if available, schedule data otherwise.
+
+=item $result->route_end
+
+Returns the last element of the route. Depending on how you set up
+Travel::Status::DE::HAFAS (arrival or departure listing), this is
+either the train's destination or its origin station.
+
+=item $result->destination
+
+=item $result->origin
+
+Convenience aliases for C<< $result->route_end >>.
+
+=item $result->time
+
+Returns the arrival/departure time as string in "hh:mm" format.
+
+=item $result->type
+
+Returns the type of this train, e.g. "S" for S-Bahn, "RE" for Regional Express
+or "ICE" for InterCity-Express.
+
+=back
+
+=head2 INTERNAL
+
+=over
+
+=item $result = Travel::Status::DE::HAFAS::Result->new(I<%data>)
+
+Returns a new Travel::Status::DE::HAFAS::Result object.
+You usually do not need to call this.
+
+Required I<data>:
+
+=over
+
+=item B<time> => I<hh:mm>
+
+=item B<train> => I<string>
+
+=item B<route_end> => I<string>
+
+=item B<platform> => I<string>
+
+=item B<info_raw> => I<string>
+
+=back
+
+=back
+
+=head1 DIAGNOSTICS
+
+None.
+
+=head1 DEPENDENCIES
+
+=over
+
+=item Class::Accessor(3pm)
+
+=back
+
+=head1 BUGS AND LIMITATIONS
+
+None known.
+
+=head1 SEE ALSO
+
+Travel::Status::DE::HAFAS(3pm).
+
+=head1 AUTHOR
+
+Copyright (C) 2011 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
+
+=head1 LICENSE
+
+This module is licensed under the same terms as Perl itself.