finishing touches on the new search plugin

- Add a Help link.
- If the pageterm is too long, hash it.
master
Joey Hess 2008-06-04 15:24:05 -04:00
parent a3d8f4904e
commit 3215b5a982
7 changed files with 50 additions and 30 deletions

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@ -24,15 +24,6 @@ sub checkconfig () { #{{{
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;
@ -60,6 +51,12 @@ sub index (@) { #{{{
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();
my $caption=IkiWiki::pagetitle($params{page});
@ -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?
# 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"))));
}
} #}}}
1

4
debian/NEWS vendored
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@ -1,8 +1,8 @@
ikiwiki (2.49) unstable; urgency=low
The search plugin no longer uses hyperestrair. Instead, to use it you
will now need to install xapian-omega, and the Search::Xapian and
HTML::Scrubber perl modules.
will now need to install xapian-omega, and the Search::Xapian,
HTML::Scrubber, and Digest::SHA1 perl modules.
-- Joey Hess <joeyh@debian.org> Wed, 04 Jun 2008 00:29:28 -0400

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@ -14,3 +14,4 @@ Some documentation on using ikiwiki:
* [[ikiwiki/markdown]]
* [[ikiwiki/subpage]]
* [[ikiwiki/openid]]
* [[ikiwiki/searching]]

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@ -5,7 +5,7 @@ then="This wiki has searching **enabled**."
else="This wiki has searching **disabled**."]]
If searching is enabled, you can enter search terms in the search field,
like you'd expect. There are a few special things you can do to constuct
as you'd expect. There are a few special things you can do to constuct
more powerful searches.
* To match a phrase, enclose it in double quotes.

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@ -3,9 +3,11 @@
This plugin adds full text search to ikiwiki, using the
[xapian](http://xapian.org/) engine, its
[omega](http://xapian.org/docs/omega/overview.html) frontend,
and the [[cpan Search::Xapian]] perl module. (The [[cpan HTML::Scrubber]]
perl module will also be used, if available.)
[omega](http://xapian.org/docs/omega/overview.html) frontend, and the
[[cpan Search::Xapian]], [[cpan Digest::SHA1]], and [[cpan HTML::Scrubber]]
perl modules.
The [[ikiwiki/searching]] page describes how to write search queries.
Ikiwiki will handle indexing new and changed page contents. Note that since
it only indexes page contents, files copied by the [[rawhtml]] plugin will

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@ -8,7 +8,7 @@ msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2008-06-04 01:46-0400\n"
"POT-Creation-Date: 2008-06-04 14:36-0400\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"

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@ -36,18 +36,12 @@ ACTION="$html{$env{CGIURL}}" TARGET="_top">
<center>
<INPUT NAME=P VALUE="$html{$query}" SIZE=65>
<INPUT TYPE=SUBMIT VALUE="Search">
$env{HELPLINK}
<hr>
<SELECT NAME=DEFAULTOP>
<OPTION VALUE=or $if{$eq{$defaultop,or},SELECTED}>Matching any words
<OPTION VALUE=and $if{$eq{$defaultop,and},SELECTED}>Matching all words
</SELECT>
$if{$opt{topterms},
<div title="Suggested terms to add to your query"
style="text-align:left;background:#cfc;border:1px solid green;padding:2px;font:11px verdana$. arial$. helvetica$. sans-serif;">
$map{$topterms,<span style="white-space:nowrap"><INPUT TYPE=checkbox NAME=X VALUE="$prettyterm{$_}" onClick="C(this)">$prettyterm{$_}</span> }
<BR><NOSCRIPT><INPUT TYPE=hidden NAME=ADD VALUE=1></NOSCRIPT>
</div>
}
$or{$html{$error},
$if{$eq{$msize,0},
$if{$query,No documents match your query,