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experimentally simplify highlight searching

This commit is contained in:
Andrew Dolgov 2013-08-01 16:30:22 +04:00
parent 2554aa84cf
commit 79834eda77
1 changed files with 18 additions and 25 deletions
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13
include/functions.php
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@ -2864,15 +2864,9 @@
// http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
$also_query = ''; $elements = $xpath->query("//*/text()");
foreach(array(strtolower($word), strtoupper($word), ucfirst(strtolower($word))) as $word_cap) {
$also_query .= ' or contains(.,"'.$word_cap.'")' ;
}
$elements = $xpath->query('//*[contains(.,"'.$word.'")' . $also_query . ']');
foreach ($elements as $element) {
foreach ($element->childNodes as $child) {
foreach ($elements as $child) {
if (!$child instanceof DomText) continue; if (!$child instanceof DomText) continue;
$fragment = $doc->createDocumentFragment(); $fragment = $doc->createDocumentFragment();
@ -2891,8 +2885,7 @@
if (!empty($text)) $fragment->appendChild(new DomText($text)); if (!empty($text)) $fragment->appendChild(new DomText($text));
$element->replaceChild($fragment, $child); $child->parentNode->replaceChild($fragment, $child);
}
} }
} }
} }