diff options
Diffstat (limited to 'lib/Travel/Status/DE/DeutscheBahn.pm')
| -rw-r--r-- | lib/Travel/Status/DE/DeutscheBahn.pm | 61 |
1 files changed, 38 insertions, 23 deletions
diff --git a/lib/Travel/Status/DE/DeutscheBahn.pm b/lib/Travel/Status/DE/DeutscheBahn.pm index 3e9762d..bf7ba56 100644 --- a/lib/Travel/Status/DE/DeutscheBahn.pm +++ b/lib/Travel/Status/DE/DeutscheBahn.pm @@ -102,19 +102,42 @@ sub errstr { 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_time = XML::LibXML::XPathExpression->new('./td[@class="time"]'); - my $xp_train = XML::LibXML::XPathExpression->new('./td[@class="train"]'); - my $xp_route = XML::LibXML::XPathExpression->new('./td[@class="route"]'); - my $xp_dest = XML::LibXML::XPathExpression->new('./td[@class="route"]//a'); - my $xp_platform - = XML::LibXML::XPathExpression->new('./td[@class="platform"]'); - my $xp_info = XML::LibXML::XPathExpression->new('./td[@class="ris"]'); + "//table[\@class = \"result stboard ${mode}\"]/tr"); + + 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"]' ], + ); + + @parts = map { [ $_->[0], XML::LibXML::XPathExpression->new( $_->[1] ) ] } + @parts; my $re_via = qr{ ^ \s* (?<stop> .+? ) \s* \n @@ -132,25 +155,17 @@ sub results { for my $tr ( @{ $self->{tree}->findnodes($xp_element) } ) { - my ($n_time) = $tr->findnodes($xp_time); - my ( undef, $n_train ) = $tr->findnodes($xp_train); - my ($n_route) = $tr->findnodes($xp_route); - my ($n_dest) = $tr->findnodes($xp_dest); - my ($n_platform) = $tr->findnodes($xp_platform); - my ($n_info) = $tr->findnodes($xp_info); - my $first = 1; + my @via; + my $first = 1; + my ( $time, $train, $route, $dest, $platform, $info ) + = map { get_node( $tr, @{$_} ) } @parts; - if ( not( $n_time and $n_dest ) ) { + if ( not( $time and $dest ) ) { next; } - my $time = $n_time->textContent(); - my $train = $n_train->textContent(); - my $route = $n_route->textContent(); - my $dest = $n_dest->textContent(); - my $platform = $n_platform ? $n_platform->textContent() : q{}; - my $info = $n_info ? $n_info->textContent() : q{}; - my @via; + $platform //= q{}; + $info //= q{}; for my $str ( $time, $train, $dest, $platform, $info ) { $str =~ s/\n/ /mg; |