/// <summary>
/// Moves to the end of quoted text and returns the text within the quotes. Discards the
/// quote characters. Assumes the current position is at the starting quote character.
/// </summary>
public string ParseQuotedText()
{
// Get quote character
char quote = Peek();
// Jump to start of quoted text
MoveAhead();
// Parse quoted text
StringBuilder builder = new StringBuilder();
while (!EndOfText)
{
char c = Peek();
if (c == quote)
{
// End of quoted string
MoveAhead();
break;
}
else if (c == '\r' || c == '\n')
{
// Terminate string at newline
Lexer.OnError(ErrorCode.NewLineInString);
break;
}
else if (c == Escape)
{
// Escaped character
MoveAhead();
if (!EndOfText)
{
c = Peek();
if (EscapeCharacterLookup.TryGetValue(c, out char replacement))
{
builder.Append(replacement);
}
else if (c == '\r' || c == '\n')
{
// Allow newline in string if escaped
builder.Append(c);
if (c == '\r' && Peek(1) == '\n')
{
MoveAhead();
builder.Append(Peek());
}
}
else
{
// Unknown escape sequence; just include entire sequence
builder.Append(Escape);
builder.Append(c);
}
}
}
else
{
builder.Append(c);
}
MoveAhead();
}
return(builder.ToString());
}
