private static string ToLiteral(ScriptLiteralStringQuoteType quoteType, string input)
{
char quote;
switch (quoteType)
{
case ScriptLiteralStringQuoteType.DoubleQuote:
quote = '"';
break;
case ScriptLiteralStringQuoteType.SimpleQuote:
quote = '\'';
break;
case ScriptLiteralStringQuoteType.Verbatim:
quote = '`';
break;
default:
throw new ArgumentOutOfRangeException(nameof(quoteType));
}
var literal = new StringBuilder(input.Length + 2);
literal.Append(quote);
if (quoteType == ScriptLiteralStringQuoteType.Verbatim)
{
literal.Append(input.Replace("`", "``"));
}
else
{
foreach (var c in input)
{
switch (c)
{
case '\\': literal.Append(@"\\"); break;
case '\0': literal.Append(@"\0"); break;
case '\a': literal.Append(@"\a"); break;
case '\b': literal.Append(@"\b"); break;
case '\f': literal.Append(@"\f"); break;
case '\n': literal.Append(@"\n"); break;
case '\r': literal.Append(@"\r"); break;
case '\t': literal.Append(@"\t"); break;
case '\v': literal.Append(@"\v"); break;
default:
if (c == quote)
{
literal.Append('\\').Append(c);
}
else if (char.IsControl(c))
{
literal.Append(@"\u");
literal.Append(((ushort)c).ToString("x4"));
}
else
{
literal.Append(c);
}
break;
}
}
}
literal.Append(quote);
return(literal.ToString());
}
private static string ToLiteral(ScriptLiteralStringQuoteType quoteType, string input)
{
char quote;
switch (quoteType)
{
case ScriptLiteralStringQuoteType.DoubleQuote:
quote = SpecialChar.DoubleQuote;
break;
case ScriptLiteralStringQuoteType.SimpleQuote:
quote = SpecialChar.SingleQuote;
break;
case ScriptLiteralStringQuoteType.Verbatim:
quote = '`';
break;
default:
throw new ArgumentOutOfRangeException(nameof(quoteType));
}
StringBuilder literal = new StringBuilder(input.Length + 2);
literal.Append(quote);
if (quoteType == ScriptLiteralStringQuoteType.Verbatim)
{
literal.Append(input.Replace("`", "``"));
}
else
{
foreach (char c in input)
{
switch (c)
{
case SpecialChar.EscapeChar:
literal.Append(SpecialChar.EscapeChar.ToString() + SpecialChar.EscapeChar.ToString());
break;
case SpecialChar.Null:
literal.Append(SpecialChar.EscapeChar.ToString() + "0");
break;
case '\a':
literal.Append(SpecialChar.EscapeChar.ToString() + "a");
break;
case SpecialChar.Backspace:
literal.Append(SpecialChar.EscapeChar.ToString() + "b");
break;
case SpecialChar.FormFeed:
literal.Append(SpecialChar.EscapeChar.ToString() + "f");
break;
case SpecialChar.NewLine:
literal.Append(SpecialChar.EscapeChar.ToString() + "n");
break;
case SpecialChar.CarriageReturn:
literal.Append(SpecialChar.EscapeChar.ToString() + "r");
break;
case SpecialChar.Tab:
literal.Append(SpecialChar.EscapeChar.ToString() + "t");
break;
case SpecialChar.VerticalTab:
literal.Append(SpecialChar.EscapeChar.ToString() + "v");
break;
default:
if (c == quote)
{
literal.Append(SpecialChar.EscapeChar).Append(c);
}
else if (char.IsControl(c))
{
literal.Append(SpecialChar.EscapeChar.ToString() + "u");
literal.Append(((ushort)c).ToString("x4"));
}
else
{
literal.Append(c);
}
break;
}
}
}
literal.Append(quote);
return(literal.ToString());
}