module Net::IMAP::Literal::Literal8::PartialRange::StringFormatter

# File lib/net/imap/command_data.rb, line 251
def literal_or_literal8(input, name: "argument")
  return input if input in Literal | Literal8
  data = String.try_convert(input) \
    or raise TypeError, "expected #{name} to be String, got #{input.class}"
  type = data.include?("\0") ? Literal8 : Literal
  type.new(data:)
end

# File lib/net/imap/command_data.rb, line 280
def nstring(str)
  str.nil? ? nil : string(str)
end

# File lib/net/imap/command_data.rb, line 270
def string(str)
  str = str.to_s
  if str =~ LITERAL_REGEX
    Literal.new(str)
  else
    QuotedString.new(str)
  end
end

# File lib/net/imap/command_data.rb, line 265
def valid_nstring?(str)
  str.nil? || valid_string?(str)
end

# File lib/net/imap/command_data.rb, line 260
def valid_string?(str)
  str.is_a?(Symbol) || str.respond_to?(:to_str)
end