jquery/no_pager/index.cgi

#!/usr/bin/perl -w

use strict;

use CGI::Simple;
use CGI::Carp qw(fatalsToBrowser warningsToBrowser);
use Search::Estraier;
use YAML::Syck;
use JSON::Syck;
use Data::Dump qw/dump/;

my $q = new CGI::Simple;
print qq{Content-type: text/html\n\r\n\r};

my $config = LoadFile('config.yml');

my $v = {
        search => '',
        hits => 0,
        page => 0,
        max_page => 0,
        time => '',
        id => time() . rand(99),
};

my $json;

#warn "config = ", dump($config);

sub get_results {
        my ($search, $page) = @_;

        if (! $search) {
                $v->{status} = 'Enter search query';
                return;
        }

        if (! $page) {
                $v->{status} = 'Error: no page number?';
                return;
        }

        $search = join(" AND ", split(/\s+/, $search)) unless ($search =~ m/(?:AND|OR|\[|\])/);
        $v->{search} = $search || '';

        $v->{page} = $page;

        my $node = new Search::Estraier::Node(%{ $config->{estraier} });

        my $on_page = 30;
        my $skip = ( $page - 1 ) * $on_page;

        my $cond = new Search::Estraier::Condition;
        $cond->set_phrase( $search );
        $cond->set_max( $on_page );
        $cond->set_skip( $skip );

        my $nres = $node->search($cond, ( $config->{estraier}->{depth} || 0 ) );

        my $out;

        if (defined($nres)) {
                $v->{hits} = $nres->hits;
                $v->{time} = $nres->hint('TIME');
                $v->{max_page} = int( ($nres->hits + $on_page - 1) / $on_page );

                $v->{status} = qq{
                        Got <b>$v->{hits}</b> results for <tt>$v->{search}</tt>
                        in <em>$v->{time} s</em>
                };

                sub html_snippet {
                        my $text = shift || return;
                        my $out = '';
                        foreach my $s (split(/[\n\r]{2}/, $text)) {
                                $out .= ' ... ' if ($out);
                                my ($pre,$hit,$post) = split(/\n/,$s,3);
                                $hit =~ s/\t.*$//;
                                $out .= 
                                        $q->escapeHTML( $pre || '' ) . '<b>' .
                                        $q->escapeHTML( $hit || '' ) . '</b>' .
                                        $q->escapeHTML( $post || '');
                        }
                        return $out;
                }

                sub attr_regex {
                        my ($rdoc,$attr) = @_;
                        my $text = $rdoc->attr( $attr );
                        return unless defined($text);

                        if (my $r = $config->{estraier}->{attr_regex}->{$attr} ) {
                                my $do = '$text =~ ' . $r . ';';
                                eval $do;
                                if ($@) {
                                        warn "eval $do failed: $@\n";
                                }
                        }
                        return $text;
                }

                # for each document in results
                for my $i ( 0 ... $nres->doc_num - 1 ) {

                        my $rdoc = $nres->get_doc($i);

                        $out .= '<div class="item">' .
                                '<h1>' . $rdoc->attr('@title') . '</h1>' .
                                '<p>' . html_snippet( $rdoc->snippet ) . '</p>' .
                                '<h2>' . attr_regex( $rdoc, 'source' ) . '</h2>';
                        my $uri = attr_regex( $rdoc, '@uri' );
                        $out .=
                                qq{<a href="$uri"><tt>$uri</tt></a> } .
                                attr_regex( $rdoc, '@mdate' ) .
                                ' [' . ( $skip + $i + 1 ) . ']';
                }

        } else {
                $out .= 'error: ' . $node->status;
        }

        $json = '<textarea id="json" style="display:none">' .
                $q->escapeHTML( JSON::Syck::Dump( $v ) ) .
                '</textarea>';

        return ($out,$json);

}

if ($q->path_info() eq '/snippet') {

        print join("\n<!-- json data -->",
                get_results(
                        $q->param('search'),
                        $q->param('page'),
                )
        );


} else {

        my ($get_results, $json) = get_results( $q->param('search'), 1 );

        my $f = $q->path_info;
        $f =~ s/\W+//g;
        $f ||= 'search';
        $f .= '.html';
        open(my $s, $f)  || die "$f: $!";
        while(<$s>) {
                s/<%(.+?)%>/eval "$1"/ge;
                print;
        }
        close($f);

}
1	dpavlin	2	#!/usr/bin/perl -w
2
3			use strict;
4
5			use CGI::Simple;
6	dpavlin	5	use CGI::Carp qw(fatalsToBrowser warningsToBrowser);
7	dpavlin	2	use Search::Estraier;
8	dpavlin	5	use YAML::Syck;
9	dpavlin	15	use JSON::Syck;
10	dpavlin	5	use Data::Dump qw/dump/;
11	dpavlin	2
12			my $q = new CGI::Simple;
13			print qq{Content-type: text/html\n\r\n\r};
14
15	dpavlin	5	my $config = LoadFile('config.yml');
16
17	dpavlin	15	my $v = {
18			search => '',
19			hits => 0,
20			page => 0,
21			max_page => 0,
22			time => '',
23			id => time() . rand(99),
24			};
25
26			my $json;
27
28	dpavlin	5	#warn "config = ", dump($config);
29
30	dpavlin	15	sub get_results {
31			my ($search, $page) = @_;
32	dpavlin	2
33	dpavlin	15	if (! $search) {
34			$v->{status} = 'Enter search query';
35			return;
36			}
37	dpavlin	2
38	dpavlin	15	if (! $page) {
39			$v->{status} = 'Error: no page number?';
40			return;
41			}
42	dpavlin	2
43	dpavlin	15	$search = join(" AND ", split(/\s+/, $search)) unless ($search =~ m/(?:AND\|OR\|\[\|\])/);
44			$v->{search} = $search \|\| '';
45	dpavlin	2
46	dpavlin	15	$v->{page} = $page;
47	dpavlin	2
48	dpavlin	15	my $node = new Search::Estraier::Node(%{ $config->{estraier} });
49	dpavlin	2
50	dpavlin	15	my $on_page = 30;
51			my $skip = ( $page - 1 ) * $on_page;
52	dpavlin	2
53	dpavlin	15	my $cond = new Search::Estraier::Condition;
54			$cond->set_phrase( $search );
55			$cond->set_max( $on_page );
56			$cond->set_skip( $skip );
57	dpavlin	2
58	dpavlin	15	my $nres = $node->search($cond, ( $config->{estraier}->{depth} \|\| 0 ) );
59	dpavlin	2
60	dpavlin	15	my $out;
61	dpavlin	2
62	dpavlin	15	if (defined($nres)) {
63			$v->{hits} = $nres->hits;
64			$v->{time} = $nres->hint('TIME');
65			$v->{max_page} = int( ($nres->hits + $on_page - 1) / $on_page );
66
67			$v->{status} = qq{
68			Got <b>$v->{hits}</b> results for <tt>$v->{search}</tt>
69			in <em>$v->{time} s</em>
70			};
71
72			sub html_snippet {
73			my $text = shift \|\| return;
74			my $out = '';
75			foreach my $s (split(/[\n\r]{2}/, $text)) {
76			$out .= ' ... ' if ($out);
77			my ($pre,$hit,$post) = split(/\n/,$s,3);
78			$hit =~ s/\t.*$//;
79			$out .=
80			$q->escapeHTML( $pre \|\| '' ) . '<b>' .
81			$q->escapeHTML( $hit \|\| '' ) . '</b>' .
82			$q->escapeHTML( $post \|\| '');
83			}
84			return $out;
85	dpavlin	2	}
86
87	dpavlin	15	sub attr_regex {
88			my ($rdoc,$attr) = @_;
89			my $text = $rdoc->attr( $attr );
90			return unless defined($text);
91	dpavlin	2
92	dpavlin	15	if (my $r = $config->{estraier}->{attr_regex}->{$attr} ) {
93			my $do = '$text =~ ' . $r . ';';
94			eval $do;
95			if ($@) {
96			warn "eval $do failed: $@\n";
97			}
98	dpavlin	14	}
99	dpavlin	15	return $text;
100	dpavlin	14	}
101
102	dpavlin	15	# for each document in results
103			for my $i ( 0 ... $nres->doc_num - 1 ) {
104	dpavlin	2
105	dpavlin	15	my $rdoc = $nres->get_doc($i);
106	dpavlin	2
107	dpavlin	15	$out .= '<div class="item">' .
108			'<h1>' . $rdoc->attr('@title') . '</h1>' .
109			'<p>' . html_snippet( $rdoc->snippet ) . '</p>' .
110			'<h2>' . attr_regex( $rdoc, 'source' ) . '</h2>';
111			my $uri = attr_regex( $rdoc, '@uri' );
112			$out .=
113			qq{<a href="$uri"><tt>$uri</tt></a> } .
114			attr_regex( $rdoc, '@mdate' ) .
115			' [' . ( $skip + $i + 1 ) . ']';
116			}
117	dpavlin	2
118	dpavlin	15	} else {
119			$out .= 'error: ' . $node->status;
120	dpavlin	2	}
121	dpavlin	15
122			$json = '<textarea id="json" style="display:none">' .
123			$q->escapeHTML( JSON::Syck::Dump( $v ) ) .
124			'</textarea>';
125
126			return ($out,$json);
127
128	dpavlin	2	}
129
130	dpavlin	15	if ($q->path_info() eq '/snippet') {
131	dpavlin	2
132	dpavlin	15	print join("\n<!-- json data -->",
133			get_results(
134			$q->param('search'),
135			$q->param('page'),
136			)
137			);
138	dpavlin	2
139
140			} else {
141
142	dpavlin	15	my ($get_results, $json) = get_results( $q->param('search'), 1 );
143	dpavlin	2
144			my $f = $q->path_info;
145			$f =~ s/\W+//g;
146			$f \|\|= 'search';
147			$f .= '.html';
148			open(my $s, $f) \|\| die "$f: $!";
149			while(<$s>) {
150	dpavlin	4	s/<%(.+?)%>/eval "$1"/ge;
151	dpavlin	2	print;
152			}
153			close($f);
154
155			}