#!/usr/bin/perl -T
use strict;
use warnings;
use Encode;
use CGI qw/-no_xhtml/;
use LWP::Simple;
use XML::Simple;
use URI::Escape;

my $q = new CGI;
my $key = $q->param('key') || "";
my $ekey = URI::Escape::uri_escape($key);

print $q->header(-charset => 'UTF-8'),
    $q->start_html(-title => 'psearch', -lang => 'JP'),
    $q->h1('psearch (RSS)'),
    $q->start_form(-method => 'GET'),
    $q->textfield(-name => 'key', -size => 20),
    $q->submit(-value => 'search'),
    $q->end_form(),
    $q->h2('Search Results');

my $url =
"http://psearch.yahoo.co.jp/rss?p=$ekey&ei=UTF-8&rss=1";
my $r = get_presults($url);
foreach (@$r) {
    print encode('UTF-8',
                 $q->h3($q->a({href => $_->{link}},
                 $_->{title})).
                 $q->p($_->{description})), "\n";
}

print $q->end_html(), "\n";

sub get_presults {
    my ($url) = @_;
    my $rss = get($url);
    my $xmlsimple = XML::Simple->new(ForceArray => [ 'item' ]);
    my $xml = $xmlsimple->XMLin($rss);
    return $xml->{channel}->{item};
}