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	#!/usr/bin/perl -w
2
3	use strict;
4
5	use CGI::Simple;
6	use CGI::Carp qw(fatalsToBrowser warningsToBrowser);
7	use Search::Estraier;
8	use YAML::Syck;
9	use JSON::Syck;
10	use Data::Dump qw/dump/;
11
12	my $q = new CGI::Simple;
13	print qq{Content-type: text/html\n\r\n\r};
14
15	my $config = LoadFile('config.yml');
16
17	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 $json;
27
28	#warn "config = ", dump($config);
29
30	sub get_results {
31	my ($search, $page) = @_;
32
33	if (! $search) {
34	$v->{status} = 'Enter search query';
35	return;
36	}
37
38	if (! $page) {
39	$v->{status} = 'Error: no page number?';
40	return;
41	}
42
43	$search = join(" AND ", split(/\s+/, $search)) unless ($search =~ m/(?:AND\|OR\|\[\|\])/);
44	$v->{search} = $search \|\| '';
45
46	$v->{page} = $page;
47
48	my $node = new Search::Estraier::Node(%{ $config->{estraier} });
49
50	my $on_page = 30;
51	my $skip = ( $page - 1 ) * $on_page;
52
53	my $cond = new Search::Estraier::Condition;
54	$cond->set_phrase( $search );
55	$cond->set_max( $on_page );
56	$cond->set_skip( $skip );
57
58	my $nres = $node->search($cond, ( $config->{estraier}->{depth} \|\| 0 ) );
59
60	my $out;
61
62	if (defined($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 $out;
85	}
86
87	sub attr_regex {
88	my ($rdoc,$attr) = @_;
89	my $text = $rdoc->attr( $attr );
90	return unless defined($text);
91
92	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	}
99	return $text;
100	}
101
102	# for each document in results
103	for my $i ( 0 ... $nres->doc_num - 1 ) {
104
105	my $rdoc = $nres->get_doc($i);
106
107	$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
118	} else {
119	$out .= 'error: ' . $node->status;
120	}
121
122	$json = '<textarea id="json" style="display:none">' .
123	$q->escapeHTML( JSON::Syck::Dump( $v ) ) .
124	'</textarea>';
125
126	return ($out,$json);
127
128	}
129
130	if ($q->path_info() eq '/snippet') {
131
132	print join("\n<!-- json data -->",
133	get_results(
134	$q->param('search'),
135	$q->param('page'),
136	)
137	);
138
139
140	} else {
141
142	my ($get_results, $json) = get_results( $q->param('search'), 1 );
143
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	s/<%(.+?)%>/eval "$1"/ge;
151	print;
152	}
153	close($f);
154
155	}