# frozen_string_literal: true class StringScanner # call-seq: # scan_integer(base: 10) # # If `base` isn't provided or is `10`, then it is equivalent to calling `#scan` with a `[+-]?\d+` pattern, # and returns an Integer or nil. # # If `base` is `16`, then it is equivalent to calling `#scan` with a `[+-]?(0x)?[0-9a-fA-F]+` pattern, # and returns an Integer or nil. # # The scanned string must be encoded with an ASCII compatible encoding, otherwise # Encoding::CompatibilityError will be raised. def scan_integer(base: 10) case base when 10 scan_base10_integer when 16 scan_base16_integer else raise ArgumentError, "Unsupported integer base: #{base.inspect}, expected 10 or 16" end end end