+sub dumpline ($$$$) {
+ my $key=shift;
+ my $value=shift;
+ my $type=shift;
+ my $prefix=shift;
+
+ eval q{use Data::Dumper};
+ error($@) if $@;
+ local $Data::Dumper::Terse=1;
+ local $Data::Dumper::Indent=1;
+ local $Data::Dumper::Pad="\t";
+ local $Data::Dumper::Sortkeys=1;
+ local $Data::Dumper::Quotekeys=0;
+ # only the perl version preserves utf-8 in output
+ local $Data::Dumper::Useperl=1;
+
+ my $dumpedvalue;
+ if (($type eq 'boolean' || $type eq 'integer') && $value=~/^[0-9]+$/) {
+ # avoid quotes
+ $dumpedvalue=$value;
+ }
+ elsif (ref $value eq 'ARRAY' && @$value && ! grep { /[^\S]/ } @$value) {
+ # dump simple array as qw{}
+ $dumpedvalue="[qw{".join(" ", @$value)."}]";
+ }
+ else {
+ $dumpedvalue=Dumper($value);
+ chomp $dumpedvalue;
+ if (length $prefix) {
+ # add to second and subsequent lines
+ my @lines=split(/\n/, $dumpedvalue);
+ $dumpedvalue="";
+ for (my $x=0; $x <= $#lines; $x++) {
+ $lines[$x] =~ s/^\t//;
+ $dumpedvalue.="\t".($x ? $prefix : "").$lines[$x]."\n";
+ }
+ }
+ $dumpedvalue=~s/^\t//;
+ chomp $dumpedvalue;
+ }
+
+ return "\t$prefix$key => $dumpedvalue,";