晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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package Data::Dump::FilterContext;
sub new {
my($class, $obj, $oclass, $type, $ref, $pclass, $pidx, $idx) = @_;
return bless {
object => $obj,
class => $ref && $oclass,
reftype => $type,
is_ref => $ref,
pclass => $pclass,
pidx => $pidx,
idx => $idx,
}, $class;
}
sub object_ref {
my $self = shift;
return $self->{object};
}
sub class {
my $self = shift;
return $self->{class} || "";
}
*is_blessed = \&class;
sub reftype {
my $self = shift;
return $self->{reftype};
}
sub is_scalar {
my $self = shift;
return $self->{reftype} eq "SCALAR";
}
sub is_array {
my $self = shift;
return $self->{reftype} eq "ARRAY";
}
sub is_hash {
my $self = shift;
return $self->{reftype} eq "HASH";
}
sub is_code {
my $self = shift;
return $self->{reftype} eq "CODE";
}
sub is_ref {
my $self = shift;
return $self->{is_ref};
}
sub container_class {
my $self = shift;
return $self->{pclass} || "";
}
sub container_self {
my $self = shift;
return "" unless $self->{pclass};
my $idx = $self->{idx};
my $pidx = $self->{pidx};
return Data::Dump::fullname("self", [@$idx[$pidx..(@$idx - 1)]]);
}
sub expr {
my $self = shift;
my $top = shift || "var";
$top =~ s/^\$//; # it's always added by fullname()
my $idx = $self->{idx};
return Data::Dump::fullname($top, $idx);
}
sub object_isa {
my($self, $class) = @_;
return $self->{class} && $self->{class}->isa($class);
}
sub container_isa {
my($self, $class) = @_;
return $self->{pclass} && $self->{pclass}->isa($class);
}
sub depth {
my $self = shift;
return scalar @{$self->{idx}};
}
1;