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diff --git a/src/applications/search/query/PhabricatorFulltextToken.php b/src/applications/search/query/PhabricatorFulltextToken.php
--- a/src/applications/search/query/PhabricatorFulltextToken.php
+++ b/src/applications/search/query/PhabricatorFulltextToken.php
@@ -56,6 +56,10 @@
$shade = PHUITagView::COLOR_RED;
$icon = 'fa-minus';
break;
+ case PhutilSearchQueryCompiler::OPERATOR_SUBSTRING:
+ $tip = pht('Substring Search');
+ $shade = PHUITagView::COLOR_VIOLET;
+ break;
default:
$shade = PHUITagView::COLOR_BLUE;
break;
diff --git a/src/applications/search/query/PhabricatorSearchApplicationSearchEngine.php b/src/applications/search/query/PhabricatorSearchApplicationSearchEngine.php
--- a/src/applications/search/query/PhabricatorSearchApplicationSearchEngine.php
+++ b/src/applications/search/query/PhabricatorSearchApplicationSearchEngine.php
@@ -261,7 +261,7 @@
foreach ($results as $phid => $handle) {
$view = id(new PhabricatorSearchResultView())
->setHandle($handle)
- ->setQuery($query)
+ ->setTokens($fulltext_tokens)
->setObject(idx($objects, $phid))
->render();
$list->addItem($view);
diff --git a/src/applications/search/view/PhabricatorSearchResultView.php b/src/applications/search/view/PhabricatorSearchResultView.php
--- a/src/applications/search/view/PhabricatorSearchResultView.php
+++ b/src/applications/search/view/PhabricatorSearchResultView.php
@@ -3,16 +3,17 @@
final class PhabricatorSearchResultView extends AphrontView {
private $handle;
- private $query;
private $object;
+ private $tokens;
public function setHandle(PhabricatorObjectHandle $handle) {
$this->handle = $handle;
return $this;
}
- public function setQuery(PhabricatorSavedQuery $query) {
- $this->query = $query;
+ public function setTokens(array $tokens) {
+ assert_instances_of($tokens, 'PhabricatorFulltextToken');
+ $this->tokens = $tokens;
return $this;
}
@@ -56,88 +57,129 @@
* matched their query.
*/
private function emboldenQuery($str) {
- $query = $this->query->getParameter('query');
+ $tokens = $this->tokens;
- if (!strlen($query) || !strlen($str)) {
+ if (!$tokens) {
return $str;
}
- // This algorithm is safe but not especially fast, so don't bother if
- // we're dealing with a lot of data. This mostly prevents silly/malicious
- // queries from doing anything bad.
- if (strlen($query) + strlen($str) > 2048) {
+ if (count($tokens) > 16) {
return $str;
}
- // Keep track of which characters we're going to make bold. This is
- // byte oriented, but we'll make sure we don't put a bold in the middle
- // of a character later.
- $bold = array_fill(0, strlen($str), false);
+ if (!strlen($str)) {
+ return $str;
+ }
- // Split the query into words.
- $parts = preg_split('/ +/', $query);
+ if (strlen($str) > 2048) {
+ return $str;
+ }
- // Find all occurrences of each word, and mark them to be emboldened.
- foreach ($parts as $part) {
- $part = trim($part);
- $part = trim($part, '"+');
- if (!strlen($part)) {
- continue;
+ $patterns = array();
+ foreach ($tokens as $token) {
+ $raw_token = $token->getToken();
+ $operator = $raw_token->getOperator();
+
+ $value = $raw_token->getValue();
+
+ switch ($operator) {
+ case PhutilSearchQueryCompiler::OPERATOR_SUBSTRING:
+ $patterns[] = '(('.preg_quote($value).'))ui';
+ break;
+ case PhutilSearchQueryCompiler::OPERATOR_AND:
+ $patterns[] = '((?<=\W|^)('.preg_quote($value).')(?=\W|\z))ui';
+ break;
+ default:
+ // Don't highlight anything else, particularly "NOT".
+ break;
}
+ }
+ // Find all matches for all query terms in the document title, then reduce
+ // them to a map from offsets to highlighted sequence lengths. If two terms
+ // match at the same position, we choose the longer one.
+ $all_matches = array();
+ foreach ($patterns as $pattern) {
$matches = null;
- $has_matches = preg_match_all(
- '/(?:^|\b)('.preg_quote($part, '/').')/i',
+ $ok = preg_match_all(
+ $pattern,
$str,
$matches,
PREG_OFFSET_CAPTURE);
-
- if (!$has_matches) {
+ if (!$ok) {
continue;
}
- // Flag the matching part of the range for boldening.
foreach ($matches[1] as $match) {
- $offset = $match[1];
- for ($ii = 0; $ii < strlen($match[0]); $ii++) {
- $bold[$offset + $ii] = true;
+ $match_text = $match[0];
+ $match_offset = $match[1];
+
+ if (!isset($all_matches[$match_offset])) {
+ $all_matches[$match_offset] = 0;
}
+
+ $all_matches[$match_offset] = max(
+ $all_matches[$match_offset],
+ strlen($match_text));
}
}
- // Split the string into ranges, applying bold styling as required.
- $out = array();
- $buf = '';
- $pos = 0;
- $is_bold = false;
-
- // Make sure this is UTF8 because phutil_utf8v() will explode if it isn't.
- $str = phutil_utf8ize($str);
- foreach (phutil_utf8v($str) as $chr) {
- if ($bold[$pos] != $is_bold) {
- if (strlen($buf)) {
- if ($is_bold) {
- $out[] = phutil_tag('strong', array(), $buf);
- } else {
- $out[] = $buf;
- }
- $buf = '';
+ // Go through the string one display glyph at a time. If a glyph starts
+ // on a highlighted byte position, turn on highlighting for the nubmer
+ // of matching bytes. If a query searches for "e" and the document contains
+ // an "e" followed by a bunch of combining marks, this will correctly
+ // highlight the entire glyph.
+ $parts = array();
+ $highlight = 0;
+ $offset = 0;
+ foreach (phutil_utf8v_combined($str) as $character) {
+ $length = strlen($character);
+
+ if (isset($all_matches[$offset])) {
+ $highlight = $all_matches[$offset];
+ }
+
+ if ($highlight > 0) {
+ $is_highlighted = true;
+ $highlight -= $length;
+ } else {
+ $is_highlighted = false;
+ }
+
+ $parts[] = array(
+ 'text' => $character,
+ 'highlighted' => $is_highlighted,
+ );
+
+ $offset += $length;
+ }
+
+ // Combine all the sequences together so we aren't emitting a tag around
+ // every individual character.
+ $last = null;
+ foreach ($parts as $key => $part) {
+ if ($last !== null) {
+ if ($part['highlighted'] == $parts[$last]['highlighted']) {
+ $parts[$last]['text'] .= $part['text'];
+ unset($parts[$key]);
+ continue;
}
- $is_bold = !$is_bold;
}
- $buf .= $chr;
- $pos += strlen($chr);
+
+ $last = $key;
}
- if (strlen($buf)) {
- if ($is_bold) {
- $out[] = phutil_tag('strong', array(), $buf);
+ // Finally, add tags.
+ $result = array();
+ foreach ($parts as $part) {
+ if ($part['highlighted']) {
+ $result[] = phutil_tag('strong', array(), $part['text']);
} else {
- $out[] = $buf;
+ $result[] = $part['text'];
}
}
- return $out;
+ return $result;
}
}

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