/**
* Marks up the search words from $this->sWarr in the $str with a color.
*
* @param string Text in which to find and mark up search words. This text is assumed to be UTF-8 like the search words internally is.
* @return string Processed content.
* @todo Define visibility
*/
public function markupSWpartsOfString($str)
{
// Init:
$str = str_replace(' ', ' ', \TYPO3\CMS\Core\Html\HtmlParser::bidir_htmlspecialchars($str, -1));
$str = preg_replace('/\\s\\s+/', ' ', $str);
$swForReg = array();
// Prepare search words for regex:
foreach ($this->sWArr as $d) {
$swForReg[] = preg_quote($d['sword'], '/');
}
$regExString = '(' . implode('|', $swForReg) . ')';
// Split and combine:
$parts = preg_split('/' . $regExString . '/i', ' ' . $str . ' ', 20000, PREG_SPLIT_DELIM_CAPTURE);
// Constants:
$summaryMax = 300;
$postPreLgd = 60;
$postPreLgd_offset = 5;
$divider = ' ... ';
$occurencies = (count($parts) - 1) / 2;
if ($occurencies) {
$postPreLgd = \TYPO3\CMS\Core\Utility\MathUtility::forceIntegerInRange($summaryMax / $occurencies, $postPreLgd, $summaryMax / 2);
}
// Variable:
$summaryLgd = 0;
$output = array();
// Shorten in-between strings:
foreach ($parts as $k => $strP) {
if ($k % 2 == 0) {
// Find length of the summary part:
$strLen = $GLOBALS['TSFE']->csConvObj->strlen('utf-8', $parts[$k]);
$output[$k] = $parts[$k];
// Possibly shorten string:
if (!$k) {
// First entry at all (only cropped on the frontside)
if ($strLen > $postPreLgd) {
$output[$k] = $divider . preg_replace('/^[^[:space:]]+[[:space:]]/', '', $GLOBALS['TSFE']->csConvObj->crop('utf-8', $parts[$k], -($postPreLgd - $postPreLgd_offset)));
}
} elseif ($summaryLgd > $summaryMax || !isset($parts[$k + 1])) {
// In case summary length is exceed OR if there are no more entries at all:
if ($strLen > $postPreLgd) {
$output[$k] = preg_replace('/[[:space:]][^[:space:]]+$/', '', $GLOBALS['TSFE']->csConvObj->crop('utf-8', $parts[$k], $postPreLgd - $postPreLgd_offset)) . $divider;
}
} else {
// In-between search words:
if ($strLen > $postPreLgd * 2) {
$output[$k] = preg_replace('/[[:space:]][^[:space:]]+$/', '', $GLOBALS['TSFE']->csConvObj->crop('utf-8', $parts[$k], $postPreLgd - $postPreLgd_offset)) . $divider . preg_replace('/^[^[:space:]]+[[:space:]]/', '', $GLOBALS['TSFE']->csConvObj->crop('utf-8', $parts[$k], -($postPreLgd - $postPreLgd_offset)));
}
}
$summaryLgd += $GLOBALS['TSFE']->csConvObj->strlen('utf-8', $output[$k]);
// Protect output:
$output[$k] = htmlspecialchars($output[$k]);
// If summary lgd is exceed, break the process:
if ($summaryLgd > $summaryMax) {
break;
}
} else {
$summaryLgd += $GLOBALS['TSFE']->csConvObj->strlen('utf-8', $strP);
$output[$k] = '<strong class="tx-indexedsearch-redMarkup">' . htmlspecialchars($parts[$k]) . '</strong>';
}
}
// Return result:
return implode('', $output);
}
