/
Search.pm
1466 lines (1168 loc) · 49.3 KB
/
Search.pm
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# See bottom of file for license and copyright information
package Foswiki::Search;
=begin TML
---+ package Foswiki::Search
This module implements all the search functionality.
=cut
use strict;
use warnings;
use Assert;
use Error qw( :try );
use Foswiki ();
use Foswiki::Sandbox ();
use Foswiki::Search::InfoCache ();
use Foswiki::Search::ResultSet ();
use Foswiki::ListIterator ();
use Foswiki::Iterator::FilterIterator ();
use Foswiki::Iterator::PagerIterator ();
use Foswiki::Render ();
use Foswiki::WebFilter ();
use Foswiki::MetaCache ();
use Foswiki::Infix::Error ();
use constant MONITOR => 0;
BEGIN {
if ( $Foswiki::cfg{UseLocale} ) {
require locale;
import locale();
}
}
=begin TML
---++ ClassMethod new ($session)
Constructor for the singleton Search engine object.
=cut
sub new {
my ( $class, $session ) = @_;
my $this = bless( { session => $session }, $class );
return $this;
}
=begin TML
---++ ObjectMethod finish()
Break circular references.
Note to developers; please undef *all* fields in the object explicitly,
whether they are references or not. That way this method is "golden
documentation" of the live fields in the object.
=cut
sub finish {
my $this = shift;
undef $this->{session};
# these may well be function objects, but if (a setting changes, it needs to be picked up again.
if ( defined( $this->{queryParser} ) ) {
$this->{queryParser}->finish();
undef $this->{queryParser};
}
if ( defined( $this->{searchParser} ) ) {
$this->{searchParser}->finish();
undef $this->{searchParser};
}
if ( defined( $this->{MetaCache} ) ) {
$this->{MetaCache}->finish();
undef $this->{MetaCache};
}
}
=begin TML
---++ ObjectMethod metacache
returns the metacache.
=cut
sub metacache {
my $this = shift;
# these may well be function objects, but if (a setting changes, it needs to be picked up again.
if ( !defined( $this->{MetaCache} ) ) {
$this->{MetaCache} = new Foswiki::MetaCache( $this->{session} );
}
return $this->{MetaCache};
}
=begin TML
---++ ObjectMethod parseSearch($searchString, $params) -> Foswiki::*::Node
parses the search string and builds the appropriate nodes (uses $param->{type} to work out which parser
TODO: make parser register themselves with their type, so that we could plug in anything.
=cut
sub parseSearch {
my $this = shift;
my $searchString = shift;
my $params = shift;
my $query;
my $theParser;
if ( $params->{type} eq 'query' ) {
unless ( defined( $this->{queryParser} ) ) {
require Foswiki::Query::Parser;
$this->{queryParser} = new Foswiki::Query::Parser();
}
$theParser = $this->{queryParser};
}
else {
unless ( defined( $this->{searchParser} ) ) {
require Foswiki::Search::Parser;
$this->{searchParser} =
new Foswiki::Search::Parser( $this->{session} );
}
$theParser = $this->{searchParser};
}
try {
$query = $theParser->parse( $searchString, $params );
}
catch Foswiki::Infix::Error with {
# Pass the error on to the caller
throw Error::Simple( shift->stringify() );
};
#print STDERR "parseSearch($searchString) => ".$query->stringify()."\n" if MONITOR;
return $query;
}
sub _extractPattern {
my ( $text, $pattern, $encode ) = @_;
# Pattern comes from topic, therefore tainted
$pattern =
Foswiki::Sandbox::untaint( $pattern, \&Foswiki::validatePattern );
my $ok = 0;
eval {
# The eval acts as a try block in case there is anything evil in
# the pattern.
$ok = 1 if ( $text =~ s/$pattern/$1/is );
};
$text = '' unless $ok;
if ($encode) {
# Reverse the action of Foswiki::expandStandardEscapes
$text =~ s/$/\$dollar/g;
$text =~ s/&/\$amp()/g;
$text =~ s/>/\$gt()/g;
$text =~ s/</\$lt()/g;
$text =~ s/%/\$percent()/g;
$text =~ s/>/\$comma()/g;
$text =~ s/"/\$quot()/g;
$text =~ s/\n/\$n()/g;
}
return $text;
}
# With the same argument as $pattern, returns a number which is the count of
# occurences of the pattern argument.
sub _countPattern {
my ( $text, $pattern ) = @_;
$pattern =
Foswiki::Sandbox::untaint( $pattern, \&Foswiki::validatePattern );
my $count;
try {
# see: perldoc -q count
$count = () = $text =~ m/$pattern/g;
}
catch Error with {
$count = 0;
};
return $count;
}
=begin TML
---++ StaticMethod _isSetTrue( $value, $default ) -> $boolean
Returns 1 if =$value= is _actually set to_ true, and 0 otherwise.
If the value is undef, then =$default= is returned. If =$default= is
not specified it is taken as 0.
=cut
sub _isSetTrue {
my ( $value, $default ) = @_;
$default ||= 0;
return $default unless defined($value);
$value =~ s/on//gi;
$value =~ s/yes//gi;
$value =~ s/true//gi;
return ($value) ? 0 : 1;
}
=begin TML
---++ ObjectMethod searchWeb (...)
Search one or more webs according to the parameters.
If =_callback= is set, that means the caller wants results as
soon as they are ready. =_callback_ should be set to a reference
to a function which takes =_cbdata= as the first parameter and
remaining parameters the same as 'print'.
If =_callback= is set, the result is always undef. Otherwise the
result is a string containing the rendered search results.
The function will throw Error::Simple if it encounters any problems with the
syntax of the search string.
Note: If =format= is set, =template= will be ignored.
Note: For legacy, if =regex= is defined, it will force type='regex'
If =type="word"= it will be changed to =type="keyword"= with =wordboundaries=1=. This will be used for searching with scope="text" only, because scope="topic" will do a Perl search on topic names.
SMELL: If =template= is defined =bookview= will not work
SMELL: it seems that if you define =_callback= then you are
responsible for converting the TML to HTML yourself!
FIXME: =callback= cannot work with format parameter (consider format='| $topic |'
=cut
sub searchWeb {
my $this = shift;
my $session = $this->{session};
ASSERT( defined $session->{webName} ) if DEBUG;
my %params = @_;
my $baseWebObject = Foswiki::Meta->new( $session, $session->{webName} );
my ( $callback, $cbdata ) = setup_callback( \%params, $baseWebObject );
my $baseTopic = $params{basetopic} || $session->{topicName};
my $baseWeb = $params{baseweb} || $session->{webName};
$params{casesensitive} = Foswiki::isTrue( $params{casesensitive} );
$params{excludeTopics} = $params{excludetopic} || '';
my $formatDefined = $params{formatdefined} = defined $params{format};
my $format = $params{format};
$params{multiple} = Foswiki::isTrue( $params{multiple} );
# Let the search know we're only concerned with one hit per file
$params{files_without_match} = not Foswiki::isTrue( $params{multiple} );
$params{nonoise} = Foswiki::isTrue( $params{nonoise} );
$params{noempty} = Foswiki::isTrue( $params{noempty}, $params{nonoise} );
### $params{zeroresults} = Foswiki::isTrue( ( $params{zeroresults} ), $params{nonoise} );
#TODO: refactorme
my $header = $params{header};
my $footer = $params{footer};
my $noTotal = Foswiki::isTrue( $params{nototal}, $params{nonoise} );
my $noEmpty = Foswiki::isTrue( $params{noempty}, $params{nonoise} );
# Note: a defined header/footer overrides noheader/nofooter
# To maintain Cairo compatibility we ommit default header/footer if the
my $noHeader =
!defined($header)
&& Foswiki::isTrue( $params{noheader}, $params{nonoise} )
|| ( !$header && $formatDefined );
my $noFooter =
!defined($footer)
&& Foswiki::isTrue( $params{nofooter}, $params{nonoise} )
|| ( !$footer && $formatDefined );
my $noSummary = Foswiki::isTrue( $params{nosummary}, $params{nonoise} );
my $zeroResults =
Foswiki::isTrue( $params{zeroresults}, $params{nonoise} || 1 );
#END TODO
my $doBookView = Foswiki::isTrue( $params{bookview} );
my $revSort = Foswiki::isTrue( $params{reverse} );
$params{scope} = $params{scope} || '';
my $searchString = defined $params{search} ? $params{search} : '';
# Reverse encoding done by %URPARAM{ ... encode= }% if requested
if ( length($searchString) && defined $params{decode} ) {
foreach my $e ( split( /\s*,\s*/, $params{decode} ) ) {
if ( $e =~ m/entit(y|ies)/i ) {
$searchString = Foswiki::entityDecode($searchString);
}
elsif ( $e =~ m/^quotes?$/i ) {
#nop - reversing of quote escaping not needed?
}
elsif ( $e =~ m/^url$/i ) {
$searchString = Foswiki::urlDecode($searchString);
}
elsif ( $e =~ m/^safe$/i ) {
# entity decode ' " < > and %
# '"<>%
$searchString =~ s/(&#(39|34|60|62|37);)/chr($2)/ge;
}
else {
throw Error::Simple(
'Unknown decode type requested: Valid types are entity, entities, safe and url.'
);
}
}
}
$params{includeTopics} = $params{topic} || '';
$params{type} = $params{type} || '';
$params{wordboundaries} = 0;
if ( $params{type} eq 'word' ) {
# 'word' is exactly the same as 'keyword', except we will be searching
# with word boundaries
$params{type} = 'keyword';
$params{wordboundaries} = 1;
}
my $webNames = $params{web} || '';
my $date = $params{date} || '';
my $recurse = $params{'recurse'} || '';
$baseWeb =~ s/\./\//g;
$params{type} = 'regex' if ( $params{regex} );
#TODO: quick hackjob - see what the feature proposal gives before it becomes public
if ( defined( $params{groupby} ) and ( $params{groupby} eq 'none' ) ) {
#_only_ allow groupby="none" - as its a secrect none public setting.
}
else {
$params{groupby} = 'web';
}
# need to tell the Meta::query pager settings so it can optimise
require Digest::MD5;
my $string_id = $params{_RAW} || 'we had better not go there';
$string_id = Foswiki::encode_utf8($string_id);
my $paging_ID = 'SEARCH' . Digest::MD5::md5_hex($string_id);
$params{pager_urlparam_id} = $paging_ID;
# 1-based system; 0 is not a valid page number
$params{showpage} = $session->{request}->param($paging_ID)
|| $params{showpage};
#append a pager to the end of the search result.
$params{pager} = Foswiki::isTrue( $params{pager} );
if ( defined( $params{pagesize} )
or defined( $params{showpage} )
or $params{pager} )
{
if ( !defined( $params{pagesize} ) ) {
$params{pagesize} = $Foswiki::cfg{Search}{DefaultPageSize} || 25;
}
$params{showpage} = 1 unless ( defined( $params{showpage} ) );
$params{paging_on} = 1;
}
else {
#denote the pager is off.
$params{paging_on} = 0;
}
################### Perform The Search
my $query = $this->parseSearch( $searchString, \%params );
#setting the inputTopicSet to be undef allows the search/query algo to use
#the topic="" and excludetopic="" params and web Obj to get a new list of topics.
#this allows the algo's to customise and optimise the getting of this list themselves.
#NOTE: as of Jun2011 foswiki 2.0's query() returns a result set filtered by ACL and paged to $showpage
#TODO: work out if and how to avoid it
my $infoCache = Foswiki::Meta::query( $query, undef, \%params );
################### Do the Rendering
# If the search did not return anything, return the rendered zeroresults
# if it is defined as a string.
# (http://foswiki.org/Development/AddDefaultTopicParameterToINCLUDE)
if ( not $infoCache->hasNext() ) {
if ( not $zeroResults ) {
return '';
}
else {
if ( not _isSetTrue( $params{zeroresults}, 1 ) ) {
#foswiki 1.1 Feature Proposal: SEARCH needs an alt parameter in case of zero results
#TODO: extract & merge with extraction of footer processing code below
my $result = $params{zeroresults};
$result =~ s/\$web/$baseWeb/gs; # expand name of web
$result =~ s/([^\n])$/$1\n/s; # add new line at end
# output footer of $web
$result =~ s/\$ntopics/0/gs;
$result =~ s/\$nhits/0/gs;
$result =~ s/\$index/0/gs;
#legacy SEARCH counter support
$result =~ s/%NTOPICS%/0/g;
$result = Foswiki::expandStandardEscapes($result);
$result =~ s/\n$//s; # remove trailing new line
return $result;
}
}
}
my $tmplSearch =
$this->loadTemplates( \%params, $baseWebObject, $formatDefined,
$doBookView, $noHeader, $noSummary, $noTotal, $noFooter );
# Generate 'Search:' part showing actual search string used
# Ommit any text before search results if either nosearch or nonoise is on
my $nonoise = Foswiki::isTrue( $params{nonoise} );
my $noSearch = Foswiki::isTrue( $params{nosearch}, $nonoise );
unless ($noSearch) {
my $searchStr = Foswiki::entityEncode($searchString);
$tmplSearch =~ s/%SEARCHSTRING%/$searchStr/g;
&$callback( $cbdata, $tmplSearch );
}
# We now format the results.
# All the
my ( $numberOfResults, $web_searchResult ) =
$this->formatResults( $query, $infoCache, \%params );
return if ( defined $params{_callback} );
my $searchResult = join( '', @{ $params{_cbdata} } );
$searchResult = Foswiki::expandStandardEscapes($searchResult);
# Remove trailing separator or new line if nofinalnewline parameter is set
my $noFinalNewline = Foswiki::isTrue( $params{nofinalnewline}, 1 );
if ( $formatDefined && $noFinalNewline ) {
if ( $params{separator} ) {
my $separator = quotemeta( $params{separator} );
$searchResult =~ s/$separator$//s; # remove separator at end
}
else {
$searchResult =~ s/\n$//s; # remove trailing new line
}
}
return $searchResult;
}
=begin TML
---++ ObjectMethod loadTemplates (...)
this code was extracted from searchWeb, and should probably be private.
=cut
sub loadTemplates {
my (
$this, $params, $baseWebObject,
$formatDefined, $doBookView, $noHeader,
$noSummary, $noTotal, $noFooter
) = @_;
my $session = $this->{session};
#tmpl loading code.
my $tmpl = '';
my $template = $params->{template} || '';
if ($formatDefined) {
$template = 'searchformat';
}
elsif ($template) {
# template definition overrides book and rename views
}
elsif ($doBookView) {
$template = 'searchbookview';
}
else {
$template = 'search';
}
$tmpl = $session->templates->readTemplate($template);
#print STDERR "}}} $tmpl {{{\n";
# SMELL: the only META tags in a template will be METASEARCH
# Why the heck are they being filtered????
#TODO: write a unit test that uses topic based templates with META's in them and if ok, remove.
$tmpl =~ s/\%META\{.*?\}\%//g; # remove %META{'parent'}%
# Split template into 5 sections
my ( $tmplHead, $tmplSearch, $tmplTable, $tmplNumber, $tmplTail ) =
split( /%SPLIT%/, $tmpl );
my $repeatText;
if ( !defined($tmplTail) ) {
$tmplSearch = $session->templates->expandTemplate('SEARCH:searched');
$tmplNumber = $session->templates->expandTemplate('SEARCH:count');
#it'd be nice to not need this if, but it seem that the noheader setting is ignored if a header= is set. truely bizzare
#TODO: push up the 'noheader' evaluation to take not of this quirk
#TODO: um, we die when ASSERT is on with a wide char in print
unless ($noHeader) {
$params->{header} =
$session->templates->expandTemplate('SEARCH:header')
unless defined $params->{header};
}
$repeatText = $session->templates->expandTemplate('SEARCH:format');
unless ($noFooter) {
$params->{footer} =
$session->templates->expandTemplate('SEARCH:footer')
unless defined $params->{footer};
}
}
else {
#Historical legacy form of the search TMPL's
# header and footer of $web
my $beforeText;
my $afterText;
( $beforeText, $repeatText, $afterText ) =
split( /%REPEAT%/, $tmplTable );
unless ($noHeader) {
$params->{header} = $beforeText unless defined $params->{header};
}
unless ($noFooter) {
$params->{footer} ||= $afterText;
}
}
#nosummary="on" nosearch="on" noheader="on" nototal="on"
if ($noSummary) {
$repeatText =~ s/%TEXTHEAD%//g;
$repeatText =~ s/ //g;
}
else {
$repeatText =~ s/%TEXTHEAD%/\$summary(searchcontext)/g;
}
$params->{format} ||= $repeatText;
$params->{footercounter} ||= $tmplNumber;
return $tmplSearch;
}
=begin TML
---++ formatResults
the implementation of %FORMAT{}%
TODO: rewrite to take a resultset, a set of params? and a hash of sub's to
enable evaluations of things like '$include(blah)' in format strings.
have a default set of replacements like $lt, $nop, $percnt, $dollar etc, and then
the hash of subs can take care of %MACRO{}% specific complex to evaluate replacements..
(that way we don't pre-evaluate and then subst)
=cut
sub formatResults {
my ( $this, $query, $infoCache, $params ) = @_;
my $session = $this->{session};
my $users = $session->{users};
my ( $callback, $cbdata ) = setup_callback($params);
my $baseTopic = $session->{topicName};
my $baseWeb = $session->{webName};
my $doBookView = Foswiki::isTrue( $params->{bookview} );
my $caseSensitive = Foswiki::isTrue( $params->{casesensitive} );
my $doExpandVars = Foswiki::isTrue( $params->{expandvariables} );
my $nonoise = Foswiki::isTrue( $params->{nonoise} );
my $noSearch = Foswiki::isTrue( $params->{nosearch}, $nonoise );
my $formatDefined = defined $params->{format};
my $format = $params->{format} || '';
my $header = $params->{header} || '';
my $footer = $params->{footer} || '';
my $limit = $params->{limit} || '';
my $itemView = $params->{itemview};
# Limit search results. Cannot be deprecated
# Limit will still be needed for the application types of SEARCHES
# even if pagesize is added as feature. Example for searching and listing
# text from first 5 bullets in a formatted multiple type search
if ( $limit =~ m/(^\d+$)/ ) {
# only digits, all else is the same as
# an empty string. "+10" won't work.
$limit = $1;
}
else {
# change 'all' to 0, then to big number
$limit = 0;
}
$limit = 32000 unless ($limit);
#pager formatting
my %pager_formatting;
if ( $params->{paging_on} ) #TODO: if can skip()
{
#TODO: this is a dangerous assumption that should be abstracted
ASSERT( $infoCache->isa('Foswiki::Iterator::PagerIterator') ) if DEBUG;
$limit = $infoCache->pagesize();
my $paging_ID = $params->{pager_urlparam_id};
# 1-based system; 0 is not a valid page number
my $showpage = $infoCache->showpage();
#TODO: need to ask the result set
my $numberofpages = $infoCache->numberOfPages();
#TODO: excuse me?
my $sep = ' ';
my $nextidx = $showpage + 1;
my $previousidx = $showpage - 1;
my %new_params;
#kill me please, i can't find a way to just load up the hash :(
foreach my $key ( $session->{request}->param ) {
$new_params{$key} = $session->{request}->param($key);
}
$session->templates->readTemplate('searchformat');
%pager_formatting = (
'previouspage' => sub { return $previousidx },
'currentpage' => sub { return $showpage },
'nextpage' => sub { return $showpage + 1 },
'numberofpages' => sub { return $infoCache->numberOfPages() },
'pagesize' => sub { return $infoCache->pagesize() },
'sep' => sub { return $sep; }
);
$pager_formatting{'previousurl'} = sub {
my $previouspageurl = '';
if ( $previousidx >= 1 ) {
$new_params{$paging_ID} = $previousidx;
$previouspageurl =
Foswiki::Func::getScriptUrl( $baseWeb, $baseTopic, 'view',
%new_params );
}
return $previouspageurl;
};
$pager_formatting{'previousbutton'} = sub {
my $previouspagebutton = '';
if ( $previousidx >= 1 ) {
$new_params{$paging_ID} = $previousidx;
$previouspagebutton =
$session->templates->expandTemplate('SEARCH:pager_previous');
}
$previouspagebutton =
$this->formatCommon( $previouspagebutton, \%pager_formatting );
return $previouspagebutton;
};
$pager_formatting{'nexturl'} = sub {
my $nextpageurl = '';
if ( $nextidx <= $infoCache->numberOfPages() ) {
$new_params{$paging_ID} = $nextidx;
$nextpageurl =
Foswiki::Func::getScriptUrl( $baseWeb, $baseTopic, 'view',
%new_params );
}
return $nextpageurl;
};
$pager_formatting{'nextbutton'} = sub {
my $nextpagebutton = '';
if ( $nextidx <= $infoCache->numberOfPages() ) {
$new_params{$paging_ID} = $nextidx;
$nextpagebutton =
$session->templates->expandTemplate('SEARCH:pager_next');
}
$nextpagebutton =
$this->formatCommon( $nextpagebutton, \%pager_formatting );
return $nextpagebutton;
};
$pager_formatting{'pager'} = sub {
my $pager_control = '';
if ( $infoCache->numberOfPages() > 1 ) {
$pager_control = $params->{pagerformat}
|| $session->templates->expandTemplate('SEARCH:pager');
$pager_control =
$this->formatCommon( $pager_control, \%pager_formatting );
}
return $pager_control;
};
}
#TODO: multiple is an attribute of the ResultSet
my $doMultiple = Foswiki::isTrue( $params->{multiple} );
my $noEmpty = Foswiki::isTrue( $params->{noempty}, $nonoise );
# Note: a defined header/footer overrides noheader/nofooter
# To maintain Cairo compatibility we ommit default header/footer if the
my $noHeader =
!defined($header) && Foswiki::isTrue( $params->{noheader}, $nonoise )
|| ( !$header && $formatDefined );
my $noFooter =
!defined($footer) && Foswiki::isTrue( $params->{nofooter}, $nonoise )
|| ( !$footer && $formatDefined );
my $noSummary = Foswiki::isTrue( $params->{nosummary}, $nonoise );
my $zeroResults =
Foswiki::isTrue( ( $params->{zeroresults} ), $nonoise || 1 );
my $noTotal = Foswiki::isTrue( $params->{nototal}, $nonoise );
my $newLine = $params->{newline} || '';
my $separator = $params->{separator};
my $type = $params->{type} || '';
# output the list of topics in $web
my $ntopics = 0; # number of topics in current web
my $nhits = 0; # number of hits (if multiple=on) in current web
my $headerDone = $noHeader;
my $web = $baseWeb;
my $webObject = new Foswiki::Meta( $session, $web );
my $lastWebProcessed = '';
#total number of topics and hits - not reset when we swap webs
my $ttopics = 0;
my $thits = 0;
while ( $infoCache->hasNext() ) {
my $listItem = $infoCache->next();
ASSERT( defined($listItem) ) if DEBUG;
#############################################################
#TOPIC specific
my $topic = $listItem;
my $text; #undef means the formatResult() gets it from $info->text;
my $info;
my @multipleHitLines = ();
if (
( $infoCache->isa('Foswiki::Search::ResultSet') ) or #SEARCH
( $infoCache->isa('Foswiki::Iterator::FilterIterator') ) or #SEARCH
( $infoCache->isa('Foswiki::Iterator::PagerIterator') ) or #SEARCH
( $infoCache->isa('Foswiki::Search::InfoCache') ) #FORMAT
)
{
( $web, $topic ) =
Foswiki::Func::normalizeWebTopicName( '', $listItem );
# add dependencies (TODO: unclear if this should be before the paging, or after the allowView - sadly, it can't be _in_ the infoCache)
if ( my $cache = $session->{cache} ) {
$cache->addTopicRef( $web, $topic );
}
my $topicMeta = $this->metacache->getMeta( $web, $topic );
if ( not defined($topicMeta) ) {
#TODO: OMG! Search.pm relies on Meta::load (in the metacache) returning a meta object even when the topic does not exist.
#lets change that
$topicMeta = new Foswiki::Meta( $session, $web, $topic );
}
$info = $this->metacache->get( $web, $topic, $topicMeta );
ASSERT( defined( $info->{tom} ) ) if DEBUG;
$text = '';
# Special handling for format='...'
if ($formatDefined) {
$text = $info->{tom}->text();
$text = '' unless defined $text;
if ($doExpandVars) {
if ( $web eq $baseWeb && $topic eq $baseTopic ) {
# primitive way to prevent recursion
$text =~ s/%SEARCH/%<nop>SEARCH/g;
}
$text = $info->{tom}->expandMacros($text);
}
}
#TODO: should extract this somehow
if ( $doMultiple && !$query->isEmpty() ) {
#TODO: Sven wonders if this should be a HoistRE..
#TODO: well, um, and how does this work for query search?
my @tokens = @{ $query->tokens() };
my $pattern = $tokens[$#tokens]; # last token in an AND search
$pattern = quotemeta($pattern) if ( $type ne 'regex' );
$text = $info->{tom}->text() unless defined $text;
$text = '' unless defined $text;
if ($caseSensitive) {
@multipleHitLines =
reverse grep { /$pattern/ } split( /[\n\r]+/, $text );
}
else {
@multipleHitLines =
reverse grep { /$pattern/i } split( /[\n\r]+/, $text );
}
}
# Apply heading offset - posibly to each hit result independently
if ( $params->{headingoffset}
&& $params->{headingoffset} =~ m/^([-+]?\d+)$/
&& $1 != 0 )
{
my ( $off, $noff ) = ( 0 + $1, 0 - $1 );
if ( scalar(@multipleHitLines) ) {
@multipleHitLines = map {
$_ =~ "<ho off=\"$off\">\n$text\n<ho off=\"$noff\"/>"
} @multipleHitLines;
}
else {
$text = "<ho off=\"$off\">\n$text\n<ho off=\"$noff\"/>";
}
}
}
$ntopics += 1;
$ttopics += 1;
do { # multiple=on loop
$nhits += 1;
$thits += 1;
$text = pop(@multipleHitLines) if ( scalar(@multipleHitLines) );
my $justdidHeaderOrFooter = 0;
if ( ( defined( $params->{groupby} ) )
and ( $params->{groupby} eq 'web' ) )
{
if ( $lastWebProcessed ne $web ) {
#output the footer for the previous listItem
if ( $lastWebProcessed ne '' ) {
#c&p from below
#TODO: needs refactoring.
my $processedfooter = $footer;
if ( not $noTotal ) {
$processedfooter .= $params->{footercounter};
}
if ( defined($processedfooter)
and ( $processedfooter ne '' ) )
{
#footer comes before result
$ntopics--;
$nhits--;
#because $pager contains more $ntopics like format strings, it needs to be expanded first.
$processedfooter =
$this->formatCommon( $processedfooter,
\%pager_formatting );
$processedfooter =~
s/\$web/$lastWebProcessed/gs; # expand name of web
# $processedfooter =~ # s/([^\n])$/$1\n/s; # add new line at end
# output footer of $web
$processedfooter =~ s/\$ntopics/$ntopics/gs;
$processedfooter =~ s/\$nhits/$nhits/gs;
$processedfooter =~ s/\$index/$thits/gs;
#legacy SEARCH counter support
$processedfooter =~ s/%NTOPICS%/$ntopics/g;
$processedfooter =
$this->formatCommon( $processedfooter,
\%pager_formatting );
# $processedfooter =~ # s/\n$//s; # remove trailing new line
$justdidHeaderOrFooter = 1;
&$callback( $cbdata, $processedfooter );
#go back to counting results
$ntopics++;
$nhits++;
}
}
#trigger a header for this new web
$headerDone = undef;
}
}
if ( $lastWebProcessed ne $web ) {
$webObject = new Foswiki::Meta( $session, $web );
$lastWebProcessed = $web;
#reset our web partitioned legacy counts
$ntopics = 1;
$nhits = 1;
}
# lazy output of header (only if needed for the first time)
if ( ( !$headerDone and ( defined($header) ) )
and ( $header ne '' ) )
{
my $processedheader = $header;
# because $pager contains more $ntopics like format
# strings, it needs to be expanded first.
$processedheader =
$this->formatCommon( $processedheader, \%pager_formatting );
$processedheader =~ s/\$web/$web/gs; # expand name of web
# add new line after the header unless separator is defined
# per Item1773 / SearchSeparatorDefaultHeaderFooter
unless ( defined $separator ) {
$processedheader =~ s/([^\n])$/$1\n/s;
}
$headerDone = 1;
my $thisWebBGColor = $webObject->getPreference('WEBBGCOLOR')
|| '\#FF00FF';
$processedheader =~ s/%WEBBGCOLOR%/$thisWebBGColor/g;
$processedheader =~ s/%WEB%/$web/g;
$processedheader =~ s/\$ntopics/($ntopics-1)/gse;
$processedheader =~ s/\$nhits/($nhits-1)/gse;
$processedheader =~ s/\$index/($thits-1)/gs;
$processedheader =
$this->formatCommon( $processedheader, \%pager_formatting );
&$callback( $cbdata, $processedheader );
$justdidHeaderOrFooter = 1;
}
if ( defined($separator)
and ( $thits > 1 )
and ( $justdidHeaderOrFooter != 1 ) )
{
&$callback( $cbdata, $separator );
}
###################Render the result
my $out;
my $handleRev1Info = sub {
# Handle e.g. createdate, createwikiuser etc
my $info =
$this->metacache->get( $_[1]->web, $_[1]->topic, $_[1] );
my $r = $info->{tom}->getRev1Info( $_[0] );
return $r;
};
my $handleRevInfo = sub {
return $session->renderer->renderRevisionInfo(
$_[1],
$info->{revNum} || 0,
'$' . $_[0]
);
};