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-rw-r--r--IkiWiki/Plugin/search.pm55
1 files changed, 39 insertions, 16 deletions
diff --git a/IkiWiki/Plugin/search.pm b/IkiWiki/Plugin/search.pm
index 249f267b9..3ac435197 100644
--- a/IkiWiki/Plugin/search.pm
+++ b/IkiWiki/Plugin/search.pm
@@ -20,19 +20,10 @@ sub checkconfig () { #{{{
error(sprintf(gettext("Must specify %s when using the search plugin"), $required));
}
}
-
+
if (! exists $config{omega_cgi}) {
$config{omega_cgi}="/usr/lib/cgi-bin/omega/omega";
}
-
- if (! -e $config{wikistatedir}."/xapian" || $config{rebuild}) {
- writefile("omega.conf", $config{wikistatedir}."/xapian",
- "database_dir .\n".
- "template_dir ./templates\n");
- writefile("query", $config{wikistatedir}."/xapian/templates",
- IkiWiki::misctemplate(gettext("search"),
- readfile(IkiWiki::template_file("searchquery.tmpl"))));
- }
} #}}}
my $form;
@@ -59,6 +50,12 @@ sub index (@) { #{{{
my %params=@_;
return $params{content} if $IkiWiki::preprocessing{$params{destpage}};
+
+ setupfiles();
+
+ # A unique pageterm is used to identify the document for a page.
+ my $pageterm=pageterm($params{page});
+ return $params{content} unless defined $pageterm;
my $db=xapiandb();
my $doc=Search::Xapian::Document->new();
@@ -127,8 +124,6 @@ sub index (@) { #{{{
$tg->index_text(lc($link), 1, "ZLINK"); # for link:bar
}
- # A unique pageterm is used to identify the document for a page.
- my $pageterm=pageterm($params{page});
$doc->add_term($pageterm);
$db->replace_document_by_term($pageterm, $doc);
@@ -138,7 +133,8 @@ sub index (@) { #{{{
sub delete (@) { #{{{
my $db=xapiandb();
foreach my $page (@_) {
- $db->delete_document_by_term(pageterm(pagename($page)));
+ my $pageterm=pageterm(pagename($page));
+ $db->delete_document_by_term($pageterm) if defined $pageterm;
}
} #}}}
@@ -150,6 +146,9 @@ sub cgi ($) { #{{{
chdir("$config{wikistatedir}/xapian") || error("chdir: $!");
$ENV{OMEGA_CONFIG_FILE}="./omega.conf";
$ENV{CGIURL}=$config{cgiurl},
+ IkiWiki::loadindex();
+ $ENV{HELPLINK}=htmllink("", "", "ikiwiki/searching",
+ noimageinline => 1, linktext => "Help");
exec($config{omega_cgi}) || error("$config{omega_cgi} failed: $!");
}
} #}}}
@@ -157,9 +156,22 @@ sub cgi ($) { #{{{
sub pageterm ($) { #{{{
my $page=shift;
- # TODO: check if > 255 char page names overflow term
- # length; use sha1 if so?
- return "U:".$page;
+ # 240 is the number used by omindex to decide when to hash an
+ # overlong term. This does not use a compatible hash method though.
+ if (length $page > 240) {
+ eval q{use Digest::SHA1};
+ if ($@) {
+ debug("search: ".sprintf(gettext("need Digest::SHA1 to index %s"), $page)) if $@;
+ return undef;
+ }
+
+ # Note no colon, therefore it's guaranteed to not overlap
+ # with a page with the same name as the hash..
+ return "U".lc(Digest::SHA1::sha1_hex($page));
+ }
+ else {
+ return "U:".$page;
+ }
} #}}}
my $db;
@@ -176,4 +188,15 @@ sub xapiandb () { #{{{
return $db;
} #}}}
+sub setupfiles () { #{{{
+ if (! -e $config{wikistatedir}."/xapian" || $config{rebuild}) {
+ writefile("omega.conf", $config{wikistatedir}."/xapian",
+ "database_dir .\n".
+ "template_dir ./templates\n");
+ writefile("query", $config{wikistatedir}."/xapian/templates",
+ IkiWiki::misctemplate(gettext("search"),
+ readfile(IkiWiki::template_file("searchquery.tmpl"))));
+ }
+} #}}}
+
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