Add --max-change / max_change options

2 files changed, 16 insertions, 5 deletions

diff --git a/bin/hafas b/bin/hafas
index 81c8784..0fe463e 100755
--- a/bin/hafas
+++ b/bin/hafas
@@ -22,7 +22,8 @@ my ( $json_output, $raw_json_output );
 my $show_full_route;
 my ( $list_services, $service );
 my ( @excluded_mots, @exclusive_mots );
-my $verbosity = 0;
+my $max_change = undef;
+my $verbosity  = 0;
 
 my @output;
 my %min_verbosity = (
@@ -45,6 +46,7 @@ my $output_reset = -t STDOUT ? "\033[0m" : q{};
 
 GetOptions(
 	'a|arrive=s'      => sub { $arrival = 1; $time = $_[1] },
+	'c|max-change=s'  => \$max_change,
 	'd|date=s'        => \$date,
 	'h|help'          => sub { show_help(0) },
 	'f|full-route'    => \$show_full_route,
@@ -82,12 +84,13 @@ if ( not $from_stop and $to_stop ) {
 }
 
 my %opt = (
-	excluded_mots  => \@excluded_mots,
-	exclusive_mots => \@exclusive_mots,
+	service        => $service,
 	from_stop      => $from_stop,
 	to_stop        => $to_stop,
+	excluded_mots  => \@excluded_mots,
+	exclusive_mots => \@exclusive_mots,
+	max_change     => $max_change,
 	developer_mode => $developer_mode,
-	service        => $service,
 	arrival        => $arrival,
 	language       => $language,
 );
@@ -468,6 +471,10 @@ between two stops and prints the results.
 Request connections that arrive at the destination before I<hh>:I<mm>.
 Overrides B<--time> / B<--depart>.
 
+=item B<-c>, B<--max-change> I<count>
+
+Request connections with no more than I<count> changeovers.
+
 =item B<-d>, B<--date> I<dd>.I<mm>.[I<yyyy>]
 
 Planned departure (or arrival) date.  Default: today.
diff --git a/lib/Travel/Routing/DE/HAFAS.pm b/lib/Travel/Routing/DE/HAFAS.pm
index 0b535f2..a2ea78c 100644
--- a/lib/Travel/Routing/DE/HAFAS.pm
+++ b/lib/Travel/Routing/DE/HAFAS.pm
@@ -253,7 +253,7 @@ sub new {
 					depLocL    => [ { lid => $from_lid } ],
 					arrLocL    => [ { lid => $to_lid } ],
 					numF       => 6,
-					maxChg     => undef,
+					maxChg     => $conf{max_change},
 					minChgTime => undef,
 					outFrwd    => $outFrwd,
 					viaLocL    => undef,
@@ -749,6 +749,10 @@ values. Providing an unsupported or invalid value may lead to garbage output.
 Passed on to C<< LWP::UserAgent->new >>. Defaults to C<< { timeout => 10 } >>,
 pass an empty hashref to call the LWP::UserAgent constructor without arguments.
 
+=item B<max_change> => I<count>
+
+Request connections with no more than I<count> changeovers.
+
 =item B<service> => I<service>
 
 Request results from I<service>, defaults to "DB".