public function escapeLiteral($s)
{
$escaped = addcslashes($s, ".. \"\\");
if ($this->escaper !== null) {
$escaped = $this->escaper->escapeString($escaped);
}
return $escaped;
}
public function escapeLiteral($s)
{
// String escapes. Note that the N3 spec is more restrictive than the Turtle and TR
// specifications, see <https://www.w3.org/TeamSubmission/n3/#escaping>
// and <https://www.w3.org/TR/turtle/#string>
// and <https://www.w3.org/TR/n-triples/#grammar-production-literal>.
// Allowed escapes according to the N3 spec are:
// ECHAR ::= '\' [tbnrf"'\]
// The single quote however does not require escaping when used in double quotes.
$escaped = strtr($s, array("" => '\\u0000', "" => '\\u0001', "" => '\\u0002', "" => '\\u0003', "" => '\\u0004', "" => '\\u0005', "" => '\\u0006', "" => '\\u0007', "" => '\\b', "\t" => '\\t', "\n" => '\\n', "\v" => '\\u000B', "\f" => '\\f', "\r" => '\\r', "" => '\\u000E', "" => '\\u000F', "" => '\\u0010', "" => '\\u0011', "" => '\\u0012', "" => '\\u0013', "" => '\\u0014', "" => '\\u0015', "" => '\\u0016', "" => '\\u0017', "" => '\\u0018', "" => '\\u0019', "" => '\\u001A', "" => '\\u001B', " " => '\\u001C', " " => '\\u001D', " " => '\\u001E', " " => '\\u001F', '"' => '\\"', '\\' => '\\\\'));
if ($this->escaper !== null) {
$escaped = $this->escaper->escapeString($escaped);
}
return $escaped;
}
