ikiwiki/IkiWiki/Plugin/search.pm

149 lines
3.9 KiB
Perl

#!/usr/bin/perl
# hyperestraier search engine plugin
package IkiWiki::Plugin::search;
use warnings;
use strict;
use IkiWiki 2.00;
sub import { #{{{
hook(type => "getopt", id => "hyperestraier",
call => \&getopt);
hook(type => "checkconfig", id => "hyperestraier",
call => \&checkconfig);
hook(type => "pagetemplate", id => "hyperestraier",
call => \&pagetemplate);
hook(type => "delete", id => "hyperestraier",
call => \&delete);
hook(type => "change", id => "hyperestraier",
call => \&change);
hook(type => "cgi", id => "hyperestraier",
call => \&cgi);
} # }}}
sub getopt () { #{{{
eval q{use Getopt::Long};
error($@) if $@;
Getopt::Long::Configure('pass_through');
GetOptions("estseek=s" => \$config{estseek});
} #}}}
sub checkconfig () { #{{{
foreach my $required (qw(url cgiurl)) {
if (! length $config{$required}) {
error(sprintf(gettext("Must specify %s when using the search plugin"), $required));
}
}
} #}}}
my $form;
sub pagetemplate (@) { #{{{
my %params=@_;
my $page=$params{page};
my $template=$params{template};
# Add search box to page header.
if ($template->query(name => "searchform")) {
if (! defined $form) {
my $searchform = template("searchform.tmpl", blind_cache => 1);
$searchform->param(searchaction => $config{cgiurl});
$form=$searchform->output;
}
$template->param(searchform => $form);
}
} #}}}
sub delete (@) { #{{{
debug(gettext("cleaning hyperestraier search index"));
estcmd("purge -cl");
estcfg();
} #}}}
sub change (@) { #{{{
debug(gettext("updating hyperestraier search index"));
estcmd("gather -cm -bc -cl -sd",
map {
map {
Encode::encode_utf8($config{destdir}."/".$_)
} @{$renderedfiles{pagename($_)}};
} @_
);
estcfg();
} #}}}
sub cgi ($) { #{{{
my $cgi=shift;
if (defined $cgi->param('phrase') || defined $cgi->param("navi")) {
# only works for GET requests
chdir("$config{wikistatedir}/hyperestraier") || error("chdir: $!");
exec("./".IkiWiki::basename($config{cgiurl})) || error("estseek.cgi failed");
}
} #}}}
my $configured=0;
sub estcfg () { #{{{
return if $configured;
$configured=1;
my $estdir="$config{wikistatedir}/hyperestraier";
my $cgi=IkiWiki::basename($config{cgiurl});
$cgi=~s/\..*$//;
my $newfile="$estdir/$cgi.tmpl.new";
my $cleanup = sub { unlink($newfile) };
open(TEMPLATE, ">:utf8", $newfile) || error("open $newfile: $!", $cleanup);
print TEMPLATE IkiWiki::misctemplate("search",
"<!--ESTFORM-->\n\n<!--ESTRESULT-->\n\n<!--ESTINFO-->\n\n",
forcebaseurl => IkiWiki::dirname($config{cgiurl})."/") ||
error("write $newfile: $!", $cleanup);
close TEMPLATE || error("save $newfile: $!", $cleanup);
rename($newfile, "$estdir/$cgi.tmpl") ||
error("rename $newfile: $!", $cleanup);
$newfile="$estdir/$cgi.conf";
open(TEMPLATE, ">$newfile") || error("open $newfile: $!", $cleanup);
my $template=template("estseek.conf");
eval q{use Cwd 'abs_path'};
$template->param(
index => $estdir,
tmplfile => "$estdir/$cgi.tmpl",
destdir => abs_path($config{destdir}),
url => $config{url},
);
print TEMPLATE $template->output || error("write $newfile: $!", $cleanup);
close TEMPLATE || error("save $newfile: $!", $cleanup);
rename($newfile, "$estdir/$cgi.conf") ||
error("rename $newfile: $!", $cleanup);
$cgi="$estdir/".IkiWiki::basename($config{cgiurl});
unlink($cgi);
my $estseek = defined $config{estseek} ? $config{estseek} : '/usr/lib/estraier/estseek.cgi';
symlink($estseek, $cgi) || error("symlink $estseek $cgi: $!");
} # }}}
sub estcmd ($;@) { #{{{
my @params=split(' ', shift);
push @params, "-cl", "$config{wikistatedir}/hyperestraier";
if (@_) {
push @params, "-";
}
my $pid=open(CHILD, "|-");
if ($pid) {
# parent
foreach (@_) {
print CHILD "$_\n";
}
close(CHILD) || print STDERR "estcmd @params exited nonzero: $?\n";
}
else {
# child
open(STDOUT, "/dev/null"); # shut it up (closing won't work)
exec("estcmd", @params) || error("can't run estcmd");
}
} #}}}
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