public static string ToStringLiteral(string s, EcmaScriptStringLiteralCharacters characters)
{
if (characters == EcmaScriptStringLiteralCharacters.SingleString)
{
return('\'' + ToSingleStringCharacters(s) + '\'');
}
if (characters == EcmaScriptStringLiteralCharacters.DoubleString)
{
return('"' + ToDoubleStringCharacters(s) + '"');
}
throw new ArgumentException();
}
private static string ToStringCharacters(string s, EcmaScriptStringLiteralCharacters stringLiteralStringCharacters)
{
char[] forbiddenCharacters = (((char)stringLiteralStringCharacters) + "\\\r\u2028\u2029\n").ToCharArray();
var sb = new StringBuilder();
foreach (var c in s)
{
if (c == (char)stringLiteralStringCharacters)
{
sb.Append("\\" + (char)stringLiteralStringCharacters);
}
else if (c == '\u000A')
{
sb.Append(@"\n");
}
else if (c == '\u000D')
{
sb.Append(@"\r");
}
else if (c == '\\')
{
sb.Append(@"\\");
}
else if (forbiddenCharacters.Contains(c))
{
sb.Append(@"\u" + ((short)c).ToString("X4"));
}
else
{
sb.Append(c);
}
}
return(sb.ToString());
}
