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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#
# Written by Ryan Kereliuk <ryker@ryker.org>. This file may be
# distributed under the same terms as Perl itself.
#
# The RFC 3261 sip URI is <scheme>:<authority>;<params>?<query>.
#
package URI::sip;
use strict;
use warnings;
use parent qw(URI::_server URI::_userpass);
use URI::Escape qw(uri_unescape);
our $VERSION = '1.73';
$VERSION = eval $VERSION;
sub default_port { 5060 }
sub authority
{
my $self = shift;
$$self =~ m,^($URI::scheme_re:)?([^;?]*)(.*)$,os or die;
my $old = $2;
if (@_) {
my $auth = shift;
$$self = defined($1) ? $1 : "";
my $rest = $3;
if (defined $auth) {
$auth =~ s/([^$URI::uric])/ URI::Escape::escape_char($1)/ego;
$$self .= "$auth";
}
$$self .= $rest;
}
$old;
}
sub params_form
{
my $self = shift;
$$self =~ m,^((?:$URI::scheme_re:)?)(?:([^;?]*))?(;[^?]*)?(.*)$,os or die;
my $paramstr = $3;
if (@_) {
my @args = @_;
$$self = $1 . $2;
my $rest = $4;
my @new;
for (my $i=0; $i < @args; $i += 2) {
push(@new, "$args[$i]=$args[$i+1]");
}
$paramstr = join(";", @new);
$$self .= ";" . $paramstr . $rest;
}
$paramstr =~ s/^;//o;
return split(/[;=]/, $paramstr);
}
sub params
{
my $self = shift;
$$self =~ m,^((?:$URI::scheme_re:)?)(?:([^;?]*))?(;[^?]*)?(.*)$,os or die;
my $paramstr = $3;
if (@_) {
my $new = shift;
$$self = $1 . $2;
my $rest = $4;
$$self .= $paramstr . $rest;
}
$paramstr =~ s/^;//o;
return $paramstr;
}
# Inherited methods that make no sense for a SIP URI.
sub path {}
sub path_query {}
sub path_segments {}
sub abs { shift }
sub rel { shift }
sub query_keywords {}
1;