/**
*
*/
function cutStr($value, $searchFor, $SuggestStringSize, &$startPos, &$valueLength)
{
$diffLength = $SuggestStringSize - runner_strlen($searchFor);
$leftContextLength = floor($diffLength / 2);
$rigthContextLength = $diffLength - $leftContextLength;
if ($this->pageObject->pSetEdit->getNCSearch()) {
// case-insensitive search
$startPos = stripos($value, $searchFor);
$startPos = runner_strlen(substr($value, 0, $startPos));
//UTF-8 support
} else {
$startPos = runner_strpos($value, $searchFor);
}
$searchStartPos = $startPos;
$valueLength = runner_strlen($value);
if ($startPos < $leftContextLength) {
$rigthContextLength -= $startPos - $leftContextLength;
$startPos = 0;
} else {
$startPos -= $leftContextLength;
}
if ($startPos > 0) {
$found = false;
for ($i = $startPos - 1; $i >= $startPos - 5 && $i >= 0; $i--) {
if ($i == 0 || $this->isStopSymbol(runner_substr($value, $i, 1))) {
if ($i == 0) {
$startPos = 0;
} else {
$startPos = $i + 1;
}
$found = true;
break;
}
}
if (!$found) {
for ($i = $startPos; $i <= $startPos + 5 && $i < $searchStartPos; $i++) {
if ($this->isStopSymbol(runner_substr($value, $i, 1))) {
$startPos = $i + 1;
break;
}
}
}
}
if ($startPos + $SuggestStringSize > $valueLength) {
$SuggestStringSize = $valueLength - $startPos;
}
if ($startPos + $SuggestStringSize < $valueLength) {
$found = false;
$tempStartPos = $startPos + $SuggestStringSize;
for ($i = $tempStartPos + 1; $i <= $tempStartPos + 5 && $i < $valueLength; $i++) {
if ($i == $valueLength - 1 || $this->isStopSymbol(runner_substr($value, $i, 1))) {
if ($i == $valueLength - 1) {
$SuggestStringSize = $i - $startPos + 1;
} else {
$SuggestStringSize = $i - $startPos;
}
$found = true;
break;
}
}
if (!$found) {
for ($i = $tempStartPos; $i >= $tempStartPos - 5; $i--) {
if ($this->isStopSymbol(runner_substr($value, $i, 1))) {
$SuggestStringSize = $i - $startPos;
break;
}
}
}
}
return runner_substr($value, $startPos, $SuggestStringSize);
}
/**
* Format the string before the "More ..." link and highlight a search word depending on the search option's value.
* @param String value The raw field's content
* @param String truncatedValue The truncated field's content
* @param Number cNumberOfChars
* @param Number truncLength The length of the truncated field's content without the final closing tags
* @return string
*/
protected function highlightTruncatedBeforeMore($value, $truncatedValue, $cNumberOfChars, $truncLength)
{
$highlightData = $this->searchClauseObj->getSearchHighlightingData($this->field, $value, false, array());
if (!$highlightData) {
return $truncatedValue;
}
$data = $this->getPocessedHTMLValueData($value, strlen($value));
$processedValue = $data['value'];
$firstSearchWordData = $this->getFirstSearchWordData($highlightData['searchWords'], $data['notContentPositions'], $processedValue);
$firstPos = $firstSearchWordData["position"];
$hasTags = $firstSearchWordData["hasTags"];
$firstSearchWord = $firstSearchWordData["searchWord"];
if ($firstPos === FALSE) {
return $truncatedValue;
}
if ($firstPos + strlen($firstSearchWord) <= $truncLength) {
return $this->getValueHighlighted($truncatedValue, $highlightData);
}
if ($firstPos <= $truncLength) {
$truncatedUnicodeLength = runner_strlen(substr($value, 0, $truncLength));
$truncatedWithSearchWordUnicodeLength = runner_strlen(substr($value, 0, $firstPos + strlen($firstSearchWord)));
$data = $this->getPocessedHTMLValueData($value, $cNumberOfChars + $truncatedWithSearchWordUnicodeLength - $truncatedUnicodeLength);
return $this->getValueHighlighted($data['value'], $highlightData);
}
return $this->getValueHighlighted($truncatedValue, $highlightData) . " <...> " . $this->getSearchWordHighlighted($hasTags, $firstSearchWord);
}
/**
* PHP strrpos wrapper
*/
function runner_strrpos($haystack, $needle, $offset = 0)
{
global $useUTF8, $mbEnabled;
if (!$useUTF8) {
return strrpos($haystack, $needle, $offset);
}
if ($mbEnabled) {
return mb_strrpos($haystack, $needle, $offset, 'UTF-8');
}
if ($offset < 0) {
$offset = runner_strlen($haystack) + $offset;
}
if ($offset > 0) {
$haystack = runner_substr($haystack, $offset, runner_strlen($haystack) - $offset);
}
$rpos = strrpos($haystack, $needle);
if ($rpos === FALSE) {
return $rpos;
}
return $offset + runner_strlen(substr($haystack, 0, $rpos));
}
/**
* Get the last searchWord occurence in the encoded value string
* @param String value
* @param String searchWord
* @param String searchWordEncoded
* @return Number
*/
protected function getLastOccurencePosition($value, $searchWord, $searchWordEncoded)
{
$planeLastPos = strrpos($value, $searchWord);
$planeSubstr = substr($value, 0, $planeLastPos);
$encodedPlaneSubstr = runner_htmlspecialchars($planeSubstr);
return runner_strrpos(runner_htmlspecialchars($value), $searchWordEncoded, runner_strlen($encodedPlaneSubstr));
}
