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#!/usr/bin/perl -w |
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|
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use strict; |
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use CGI qw/:standard -no_xhtml/; |
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use CGI::Carp qw(fatalsToBrowser); |
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use SWISH::API; |
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use XML::Simple; |
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use Lingua::Spelling::Alternative; |
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use Text::Iconv; |
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use Data::Pageset; |
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|
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|
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sub get_snippet { |
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my $context_chars = 100; |
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|
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my $desc = shift || return ''; |
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$desc = e($desc); |
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|
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# test if $desc contains any of our query words |
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my @snips; |
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|
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my @colors = qw{#ffff66 #a0ffff #99ff99 #ff9999 #ff66ff}; |
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|
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# construct regex |
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my $re = qq/^.*?(.{$context_chars}?)(\Q/ . join("|",@_) . |
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qq/\E)(.{$context_chars})/; |
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|
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while ($desc =~ s/$re//si) { |
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my ($bef,$qm,$af) = ($1, $2, $3); |
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|
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# no partial words... |
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$bef =~ s,^\S+\s+|\s+\S+$,,gs; |
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$af =~ s,^\S+\s+|\s+\S+$,,gs; |
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|
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push @snips, "$bef $qm $af"; |
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} |
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|
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my $ellip = ' ... '; |
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my $snippet; |
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|
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if (@snips) { |
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$snippet = $ellip. join($ellip, @snips) . $ellip; |
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} else { |
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return ''; |
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} |
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|
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# color offset |
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my $i = 0; |
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|
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foreach my $w (@_) { |
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$snippet =~ s,(\Q$w\E),<span style="background: $colors[$i]; color:black;">$1</span>,gsi; |
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$i++; |
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$i = 0 if ($i > $#colors); |
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} |
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|
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return $snippet; |
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} |
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|
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# for pager |
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my $pages_per_set = 20; |
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|
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Text::Iconv->raise_error(0); # Conversion errors raise exceptions |
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my $config=XMLin(undef, |
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# keyattr => { label => "value" }, |
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forcecontent => 0, |
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ForceArray => [ 'path' ], |
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); |
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|
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my $from_utf8 = Text::Iconv->new('UTF8', $config->{charset}); |
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sub x { |
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return if (! defined $_[0]); |
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return $from_utf8->convert($_[0]); |
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} |
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|
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# Escape <, >, & and ", and to produce valid XML |
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my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"'); |
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my $escape_re = join '|' => keys %escape; |
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sub e { |
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my $out; |
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foreach my $v (@_) { |
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$v =~ s/($escape_re)/$escape{$1}/g; |
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$out .= $v; |
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} |
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return $out; |
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} |
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|
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my @spellings; |
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# FIX: doesn't work very well |
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if ($config->{findaffix}) { |
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foreach my $findaffix (split(/[, ]+/,x($config->{findaffix}))) { |
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next if (! -f $findaffix); |
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my $spelling_alt = new Lingua::Spelling::Alternative; |
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$spelling_alt->load_findaffix($findaffix); |
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push @spellings,$spelling_alt; |
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} |
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} |
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if ($config->{affix}) { |
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foreach my $affix (split(/[, ]+/,x($config->{affix}))) { |
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next if (! -f $affix); |
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my $spelling_alt = new Lingua::Spelling::Alternative; |
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$spelling_alt->load_affix($affix); |
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push @spellings,$spelling_alt; |
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} |
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} |
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|
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my $hits=0; |
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my $max_hits=param('max_hits') || x($config->{max_hits}); |
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|
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my %labels; |
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foreach (@{$config->{labels}->{label}}) { |
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next if (! $_->{value}); # skip unlimited (0) |
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$labels{$_->{value}} = x($_->{content}); |
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} |
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|
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my $path; |
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# limit to this path |
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$path .= '"'.join('*" or "',param('path')).'*"' if (param('path')); |
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my %path_label; |
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my @path_name; |
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foreach (@{$config->{paths}->{path}}) { |
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push @path_name,x($_->{limit}); |
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$path_label{$_->{limit}} = x($_->{content}); |
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} |
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|
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my @properties = split(/\s+/,x($config->{properties})) if ($config->{properties}); |
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|
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if ($config->{charset}) { |
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print header(-charset=>x($config->{charset})); |
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} else { |
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print header; |
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} |
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print start_html(-title=>x($config->{title})),start_form; |
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print x($config->{text}->{search}); |
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print popup_menu(-name=>'max_hits',-values=>[ sort keys %labels ],-labels=>\%labels,-default=>$max_hits); |
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print x($config->{text}->{documents}); |
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print textfield('search'); |
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print submit(-value=> x($config->{text}->{submit})); |
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print br,checkbox(-name=>'no_affix', -checked=>0, -label=>x($config->{text}->{no_spell})) if (@spellings); |
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print checkbox(-name=>'no_properties', -checked=>0, -label=>($config->{text}->{no_properties})) if (@properties); |
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if (@path_name) { |
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print br,x($config->{text}->{limit}); |
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print popup_menu(-name=>'path',-values=>\@path_name,-labels=>\%path_label,-default=>$path); |
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} elsif (param('path')) { |
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print hidden(-name=>'path',-values=>param('path')); |
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} |
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print end_form,hr; |
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|
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if (param('search')) { |
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|
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my $s; |
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# re-write query from +/- to and/and not |
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|
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my @s_elem; |
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|
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my $search = param('search'); |
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|
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# strip spaces |
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$search =~ s/^\s+//; |
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$search =~ s/\s+$//; |
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# fixup search string |
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$search=~tr/ðèæÐÈÆ/¹ð¾èæ©Ð®ÈÆ/; # 1250 -> iso8859-2 |
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$search=~tr/¹©ðÐèÈæƾ®/sSdDcCcCzZ/; |
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|
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# extract phrases and put them first |
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while ($search =~ s/\s*("[^"]+")\s*/ /) { |
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$s .= "$1 "; |
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push @s_elem, $1; |
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} |
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|
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my %words; |
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|
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foreach (split(/\s+/,$search)) { |
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if (m/^([+-])(\S+)/) { |
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$s.= ($s) ? "and " : ""; |
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$s.="not " if ($1 eq "-"); |
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if (@spellings && !param('no_affix')) { |
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my $w = $2; $w =~ s/[\*\s]+//g; |
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$w =~ s/^(['"]*)([^'"]+)(['"]*)/$2/; |
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my $or=""; |
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foreach my $spelling_alt (@spellings) { |
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$s.="$or$1(".join("* or ",$spelling_alt->alternatives($w))."*)$3 "; |
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$or = "or "; |
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} |
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} else { |
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$s.="$2* "; |
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} |
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push @s_elem, $2; |
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} else { |
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if (@spellings && !param('no_affix')) { |
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my $w = $_; $w =~ s/[\*\s]+//g; |
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my $or=""; |
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foreach my $spelling_alt (@spellings) { |
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$s.="$or(".join("* or ",$spelling_alt->alternatives($w))."*) "; |
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$or = "or "; |
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} |
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} else { |
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$s.="$_* "; |
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} |
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push @s_elem, $_; |
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} |
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} |
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|
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# fix multiple stars |
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$s=~s/\*\*+/*/g; |
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|
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# limit to some path |
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$s = "swishdocpath=($path) and $s" if ($path); |
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|
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my %params; # optional parametars for swish |
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|
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# default format for output |
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my $hit_fmt = "<a href=\"%s\">%s</a> [%s]<br>\n"; |
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|
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if (@properties) { |
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$hit_fmt = x($config->{hit}) if (! param('no_properties')); |
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$params{properties} = \@properties; |
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} else { |
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$hit_fmt = x($config->{hit}) if (x($config->{hit})); |
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} |
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|
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my $swish = SWISH::API->new($config->{index}); |
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$swish->AbortLastError if $swish->Error; |
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my $results = $swish->Query($s); |
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my $hits = $results->Hits; |
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|
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|
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# build pager |
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my $current_page = param('page') || 1; |
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|
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my $pager = Data::Pageset->new({ |
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'total_entries' => $hits, |
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'entries_per_page' => $max_hits, |
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'current_page' => $current_page, |
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'pages_per_set' => $pages_per_set, |
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}); |
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|
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$results->SeekResult( $pager->first - 1 ); |
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|
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# get number of entries on this page |
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my $i = $pager->entries_on_this_page; |
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|
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# print number of hits or error message |
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if ( !$hits ) { |
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printf (x($config->{text}->{no_hits}),$s,$swish->ErrorString); |
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} else { |
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printf (x($config->{text}->{hits}),$i,$results->Hits,$s); |
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} |
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|
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my %path2title; |
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foreach my $p (@{$config->{path2title}->{path}}) { |
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$path2title{$p->{dir}} = $p->{content}; |
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} |
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|
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# output start of table |
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print qq{ |
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<table border="0"> |
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}; |
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# html before and after each hit |
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my $tr_pre = qq{ |
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<tr><td> |
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}; |
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my $tr_post = qq{ |
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</td></tr> |
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}; |
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|
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for(my $i=$pager->first; $i<=$pager->last; $i++) { |
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|
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my $result = $results->NextResult; |
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last if (! $result); |
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|
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my @arr; |
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|
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foreach my $prop (@properties) { |
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if ($prop =~ m/swishdescription/) { |
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my $tmp = get_snippet( |
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$result->Property($prop), |
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@s_elem, |
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); |
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|
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push @arr, $tmp; |
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} else { |
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push @arr, $result->Property($prop); |
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} |
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} |
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|
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my $title = e($result->Property("swishtitle")) || 'untitled'; |
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my $rank = $result->Property("swishrank"); |
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my $host = $result->Property("swishdocpath"); |
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$host = "http://".virtual_host().x($config->{url}).$result->Property("swishdocpath") if ($config->{url}); |
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|
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foreach my $p (keys %path2title) { |
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if ($host =~ m/$p/i) { |
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$title =~ s/$path2title{$p}\s*[:-]+\s*//; |
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$title = $path2title{$p}." :: ".$title; |
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last; |
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} |
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} |
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|
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print $tr_pre,$i,". "; |
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# print collection name which is not link |
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if ($title =~ s/^(.+? :: )//) { |
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print $1; |
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} |
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|
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printf($hit_fmt, $host, $title || 'untitled', $rank, @arr); |
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print $tr_post; |
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|
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} |
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|
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# pager navigation |
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my $nav_html; |
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|
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my $nav_fmt=qq{ <a href="%s">%s</a> }; |
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|
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if ($pager->current_page() > $pager->first_page) { |
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param('page', $pager->current_page - 1); |
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$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'<<'); |
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} |
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|
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if ($pager->previous_set) { |
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param('page', $pager->previous_set); |
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$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'..'); |
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} |
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|
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|
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foreach my $p (@{$pager->pages_in_set()}) { |
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next if ($p < 0); |
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# for (my $p=$pager->previous_set; $p <= $pager->next_set; $p++) { |
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if($p == $pager->current_page()) { |
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$nav_html .= "<b>$p</b> "; |
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} else { |
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param('page', $p); |
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$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),$p); |
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} |
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} |
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|
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if ($pager->next_set) { |
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param('page', $pager->next_set); |
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$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'..'); |
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} |
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|
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if ($pager->current_page() < $pager->last_page) { |
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param('page', $pager->current_page + 1); |
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$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'>>'); |
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} |
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|
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if ($config->{text}->{pages}) { |
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$nav_html = x($config->{text}->{pages})." ".$nav_html; |
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} |
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|
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# end html table |
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print qq{ |
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<tr><td> |
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$nav_html |
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</td></tr> |
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</table> |
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}; |
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|
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|
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|
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} else { |
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print p(x($config->{text}->{footer})); |
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} |
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