/**
* This method takes a string and outputs a JavaScript string literal. The
* data is surrounded with quotes, and any contained characters that need to
* be escaped are mapped onto their escape sequence.
*
* Assumptions: We are targeting a version of JavaScript that that is later
* than 1.3 that supports unicode strings.
*/
public static function escapeString($toEscape)
{
//TODO: implement
$charVector = '';
$charVector .= JS_QUOTE_CHAR;
$n = strlen($toEscape);
$i = 0;
while ($i < $n) {
$bytes = 0;
$c = CharacterUtil::ordUTF8($toEscape, $i, $bytes);
$i += $bytes;
if (intval($c) < NUMBER_OF_JS_ESCAPED_CHARS && isset(ServerSerializationStreamWriter::$JS_CHARS_ESCAPED[chr($c)])) {
$charVector .= JS_ESCAPE_CHAR;
$charVector .= ServerSerializationStreamWriter::$JS_CHARS_ESCAPED[chr($c)];
} else {
if (ServerSerializationStreamWriter::needsUnicodeEscape($c)) {
$charVector .= JS_ESCAPE_CHAR;
ServerSerializationStreamWriter::unicodeEscape($c, &$charVector);
//$charVector.= JS_ESCAPE_CHAR.'x'. strtoupper(dechex($c));
} else {
$charVector .= CharacterUtil::chrUTF8($c);
}
}
}
$charVector .= JS_QUOTE_CHAR;
return $charVector;
}
