/**
* Link terms in a dom page object in bb style
*
* @param
* @return
*/
protected static function linkTermsInDom($a_dom, $a_terms, $a_par_node = null)
{
// sort terms by their length (shortes first)
// to prevent that nested tags are builded
foreach ($a_terms as $k => $t) {
$a_terms[$k]["termlength"] = strlen($t["term"]);
}
$a_terms = ilUtil::sortArray($a_terms, "termlength", "asc", true);
if ($a_dom instanceof php4DOMDocument) {
$a_dom = $a_dom->myDOMDocument;
}
if ($a_par_node instanceof php4DOMElement) {
$a_par_node = $a_par_node->myDOMNode;
}
$xpath = new DOMXPath($a_dom);
if ($a_par_node == null) {
$parnodes = $xpath->query('//Paragraph');
} else {
$parnodes = $xpath->query('//Paragraph', $a_par_node);
}
include_once "./Services/Utilities/classes/class.ilStr.php";
foreach ($parnodes as $parnode) {
$textnodes = $xpath->query('//text()', $parnode);
foreach ($textnodes as $node) {
$p = $node->getNodePath();
// we do not change text nodes inside of links
if (!is_int(strpos($p, "/IntLink")) && !is_int(strpos($p, "/ExtLink"))) {
$node_val = $node->nodeValue;
// all terms
foreach ($a_terms as $t) {
$pos = ilStr::strIPos($node_val, $t["term"]);
// if term found
while (is_int($pos)) {
// check if the string is not included in another word
// note that []
$valid_limiters = array("", " ", " ", ".", ",", ":", ";", "!", "?", "\"", "'", "(", ")");
$b = $pos > 0 ? ilStr::subStr($node_val, $pos - 1, 1) : "";
$a = ilStr::subStr($node_val, $pos + ilStr::strLen($t["term"]), 1);
if ((in_array($b, $valid_limiters) || htmlentities($b, null, 'utf-8') == " ") && in_array($a, $valid_limiters)) {
$mid = '[iln term="' . $t["id"] . '"]' . ilStr::subStr($node_val, $pos, ilStr::strLen($t["term"])) . "[/iln]";
$node_val = ilStr::subStr($node_val, 0, $pos) . $mid . ilStr::subStr($node_val, $pos + ilStr::strLen($t["term"]));
$pos += ilStr::strLen($mid);
} else {
$pos += ilStr::strLen($t["term"]);
}
$pos = ilStr::strIPos($node_val, $t["term"], $pos);
}
// insert [iln] tags
}
$node->nodeValue = $node_val;
}
// var_dump($p);
// var_dump($node->nodeValue);
}
// dump paragraph node
$text = $a_dom->saveXML($parnode);
$text = substr($text, 0, strlen($text) - strlen("</Paragraph>"));
$text = substr($text, strpos($text, ">") + 1);
// replace [iln] by tags with xml representation
$text = self::intLinks2xml($text);
// "set text"
$temp_dom = domxml_open_mem('<?xml version="1.0" encoding="UTF-8"?><Paragraph>' . $text . '</Paragraph>', DOMXML_LOAD_PARSING, $error);
$temp_dom = $temp_dom->myDOMDocument;
if (empty($error)) {
// delete children of paragraph node
$children = $parnode->childNodes;
while ($parnode->hasChildNodes()) {
$parnode->removeChild($parnode->firstChild);
}
// copy new content children in paragraph node
$xpath_temp = new DOMXPath($temp_dom);
$temp_pars = $xpath_temp->query("//Paragraph");
foreach ($temp_pars as $new_par_node) {
$new_childs = $new_par_node->childNodes;
foreach ($new_childs as $new_child) {
//$cloned_child = $new_child->cloneNode(true);
$cloned_child = $a_dom->importNode($new_child, true);
$parnode->appendChild($cloned_child);
}
}
}
}
}