/**
* @param array $terms terms to highlight
* @return String: highlighted text snippet, null (and not '') if not supported
*/
function getTextSnippet($terms)
{
global $wgUser, $wgAdvancedSearchHighlighting;
$this->initText();
// TODO: make highliter take a content object. Make ContentHandler a factory for SearchHighliter.
list($contextlines, $contextchars) = SearchEngine::userHighlightPrefs($wgUser);
$h = new SearchHighlighter();
if ($wgAdvancedSearchHighlighting) {
return $h->highlightText($this->mText, $terms, $contextlines, $contextchars);
} else {
return $h->highlightSimple($this->mText, $terms, $contextlines, $contextchars);
}
}
/**
* @param $terms Array: terms to highlight
* @return String: highlighted text snippet, null (and not '') if not supported
*/
function getTextSnippet($terms)
{
global $wgUser, $wgAdvancedSearchHighlighting;
$this->initText();
list($contextlines, $contextchars) = SearchEngine::userHighlightPrefs($wgUser);
$h = new SearchHighlighter();
if ($wgAdvancedSearchHighlighting) {
return $h->highlightText($this->mText, $terms, $contextlines, $contextchars);
} else {
return $h->highlightSimple($this->mText, $terms, $contextlines, $contextchars);
}
}
/**
* Emulates SearchEngine getTextSnippet so that we can use our own userHighlightPrefs
* (only needed until userHighlightPrefs in SearchEngine is fixed)
*
* @param $terms array of terms to highlight
* @return string highlighted text snippet
*/
function getTextSnippet( $terms ) {
global $wgUser, $wgAdvancedSearchHighlighting;
global $wgSphinxSearchMWHighlighter, $wgSphinxSearch_index;
$this->initText();
list( $contextlines, $contextchars ) = SphinxMWSearch::userHighlightPrefs( $wgUser );
if ( $wgSphinxSearchMWHighlighter ) {
$h = new SearchHighlighter();
if ( $wgAdvancedSearchHighlighting ) {
return $h->highlightText( $this->mText, $terms, $contextlines, $contextchars );
} else {
return $h->highlightSimple( $this->mText, $terms, $contextlines, $contextchars );
}
}
$excerpts_opt = array(
"before_match" => "(searchmatch)",
"after_match" => "(/searchmatch)",
"chunk_separator" => " ... ",
"limit" => $contextlines * $contextchars,
"around" => $contextchars,
);
$excerpts = $this->sphinx_client->BuildExcerpts(
array( $this->mText ),
$wgSphinxSearch_index,
join( ' ', $terms ),
$excerpts_opt
);
if ( is_array( $excerpts ) ) {
$ret = '';
foreach ( $excerpts as $entry ) {
// remove some wiki markup
$entry = preg_replace(
'/([\[\]\{\}\*\#\|\!]+|==+|<br ?\/?>)/',
' ',
$entry
);
$entry = str_replace(
array("<", ">"),
array("<", ">"),
$entry
);
$entry = str_replace(
array( "(searchmatch)", "(/searchmatch)" ),
array( "<span class='searchmatch'>", "</span>" ),
$entry
);
$ret .= "<div style='margin: 0.2em 1em 0.2em 1em;'>$entry</div>\n";
}
} else {
$ret = wfMsg( 'internalerror_info', $this->sphinx_client->GetLastError() );
}
return $ret;
}
