From 56685ea830077964eaa5fc083d2b0cd17bb90aa5 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Fri, 14 Feb 2014 22:59:22 +0100
Subject: parse <ref> fields in fchg. not used in db-iris yet.

---
 lib/Travel/Status/DE/IRIS.pm        | 21 ++++++++++++++++-----
 lib/Travel/Status/DE/IRIS/Result.pm | 27 +++++++++++++++++++++++----
 2 files changed, 39 insertions(+), 9 deletions(-)

diff --git a/lib/Travel/Status/DE/IRIS.pm b/lib/Travel/Status/DE/IRIS.pm
index aef946d..79852e7 100644
--- a/lib/Travel/Status/DE/IRIS.pm
+++ b/lib/Travel/Status/DE/IRIS.pm
@@ -192,11 +192,12 @@ sub get_realtime {
 	my $station = ( $xml->findnodes('/timetable') )[0]->getAttribute('station');
 
 	for my $s ( $xml->findnodes('/timetable/s') ) {
-		my $id   = $s->getAttribute('id');
-		my $e_tl = ( $s->findnodes('./tl') )[0];
-		my $e_ar = ( $s->findnodes('./ar') )[0];
-		my $e_dp = ( $s->findnodes('./dp') )[0];
-		my @e_ms = $s->findnodes('.//m');
+		my $id    = $s->getAttribute('id');
+		my $e_tl  = ( $s->findnodes('./tl') )[0];
+		my $e_ar  = ( $s->findnodes('./ar') )[0];
+		my $e_dp  = ( $s->findnodes('./dp') )[0];
+		my $e_ref = ( $s->findnodes('./ref') )[0];
+		my @e_ms  = $s->findnodes('.//m');
 
 		my %messages;
 
@@ -234,6 +235,16 @@ sub get_realtime {
 				unknown_o => $e_tl->getAttribute('o'),    # owner: 03/80/R2/...
 			);
 		}
+		if ($e_ref) {
+			$result->add_ref(
+				class     => $e_ref->getAttribute('f'),    # D N S F
+				unknown_t => $e_ref->getAttribute('t'),    # p
+				train_no  => $e_ref->getAttribute('n'),    # dep number
+				type      => $e_ref->getAttribute('c'),    # S/ICE/ERB/...
+				line_no   => $e_ref->getAttribute('l'),    # 1 -> S1, ...
+				unknown_o => $e_ref->getAttribute('o'),    # owner: 03/80/R2/...
+			);
+		}
 		if ($e_ar) {
 			$result->add_ar(
 				arrival_ts => $e_ar->getAttribute('ct'),
diff --git a/lib/Travel/Status/DE/IRIS/Result.pm b/lib/Travel/Status/DE/IRIS/Result.pm
index 6b4ebb1..75f02cc 100644
--- a/lib/Travel/Status/DE/IRIS/Result.pm
+++ b/lib/Travel/Status/DE/IRIS/Result.pm
@@ -17,10 +17,10 @@ our $VERSION = '0.03';
 
 Travel::Status::DE::IRIS::Result->mk_ro_accessors(
 	qw(arrival classes date datetime delay departure is_cancelled is_transfer
-	  line_no old_train_id old_train_no platform raw_id realtime_xml
-	  route_start route_end sched_arrival sched_departure sched_platform
-	  sched_route_start sched_route_end start stop_no time train_id train_no
-	  transfer type unknown_t unknown_o)
+	  line_no train_no_transfer old_train_id old_train_no platform raw_id
+	  realtime_xml route_start route_end sched_arrival sched_departure
+	  sched_platform sched_route_start sched_route_end start stop_no time
+	  train_id train_no transfer type unknown_t unknown_o)
 );
 
 sub new {
@@ -171,6 +171,16 @@ sub add_realtime {
 	return $self;
 }
 
+sub add_ref {
+	my ( $self, %attrib ) = @_;
+
+	$self->{train_no_transfer} = $attrib{train_no};
+
+	# TODO
+
+	return $self;
+}
+
 sub add_tl {
 	my ( $self, %attrib ) = @_;
 
@@ -766,6 +776,15 @@ stations.
 
 Number of this train, unique per day. E.g. C<< 2225 >> for C<< IC 2225 >>.
 
+=item $result->train_no_transfer
+
+Number of this train after a following transfer, undefined if no such transfer
+exists. See B<is_transfer> for a note about this.
+
+Note that unlike B<old_train_no>, this information is always based on realtime
+data (not included in any schedule) and only set for stations before the
+transfer station, not the transfer station itself.
+
 =item $result->type
 
 Type of this train, e.g. C<< S >> for S-Bahn, C<< RE >> for Regional-Express,
-- 
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