static function preg_replace_dom(DOMNode $dom, array $exclude = array())
{
if (empty($dom->childNodes)) {
return;
}
foreach ($dom->childNodes as $node) {
// if the node is in the exclude list, skip it and its children
if (in_array($node->nodeName, $exclude)) {
continue;
}
if ($node instanceof DOMText) {
$totalcount = 0;
// try and match all glossary words we have in the
foreach (self::$glossary as &$data) {
$data_offset = $data->ref;
if (empty($data->inuse) || !$data->inuse) {
continue;
}
$replace = "XXX_GLOSSARY_" . $data_offset . "_\$1_XXX";
$count = 0;
// UNCOMMENT and CHANGE $data->limit to $base_data->limit to make sure that alt words
// share the same count and the main word.
//$base_data = $data;
//if ($data->base_offset > -1)
// $base_data = self::$glossary[$data->base_offset];
$node->nodeValue = preg_replace_callback($data->regex, function ($match) use($data_offset) {
return "XXX_GLOSSARY_" . base64_encode($data_offset) . "_" . base64_encode($match[0]) . "_XXX";
//return str_replace('$1', $match[0], $replace);
}, $node->nodeValue, $data->limit, $count);
if ($count) {
$data->limit -= $count;
$totalcount += $count;
}
}
if ($totalcount) {
$runs = 0;
// run counter incase it goes wrong and gets carried away
// temp node that we are working on
$temp = $node;
// find tag in node text
if (function_exists("mb_strpos")) {
$pos = mb_strpos($temp->nodeValue, "XXX_GLOSSARY_");
} else {
$pos = strpos($temp->nodeValue, "XXX_GLOSSARY_");
}
while ($pos !== FALSE && $runs++ < 50) {
// split the text node around the match
$new = $temp->splitText($pos);
// remove match text from split text and retrieve info
list($elem, $new->nodeValue) = explode("_XXX", $new->nodeValue, 2);
// parse the info found
$elem = substr($elem, 13);
list($elem, $text) = explode("_", $elem, 2);
$elem = base64_decode($elem);
$text = base64_decode($text);
// lookup info we saved earlier
$data_offset = self::$glo_ref[$elem];
$info = self::$glossary[$data_offset];
// build link element
$link_elem = FSS_Glossary::$cdom->createElement('a', $text);
$link_elem->setAttribute("href", $info->href);
$link_elem->setAttribute("class", 'fss_glossary_word');
$link_elem->setAttribute("ref", $info->ref);
$link_elem->setAttribute("context", FSS_Glossary::$context);
// insert link element before 2nd part of text split
$temp->parentNode->insertBefore($link_elem, $new);
// copy the new node over the old temp one
$temp = $new;
// find the text again
if (function_exists("mb_strpos")) {
$pos = mb_strpos($temp->nodeValue, "XXX_GLOSSARY_");
} else {
$pos = strpos($temp->nodeValue, "XXX_GLOSSARY_");
}
}
}
} else {
FSS_Glossary::preg_replace_dom($node, $exclude);
}
}
}
