Contents

# frozen_string_literal: true

# Copyright (c) 2018-2022 Zerocracy, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

# Hex num.
#
# Author:: Yegor Bugayenko ([e-mail])
# Copyright:: Copyright (c) 2018 Yegor Bugayenko
# License:: MIT
module Zold
  # A hex num
  class Hexnum
    def initialize(num, length)
      @num = num
      @length = length
    end

    def to_i
      @num
    end

    def to_s
      format("%0#{@length}x", @num).gsub(/^\.{2}/, 'ff')
    end

    def self.parse(txt)
      n = Integer("0x#{txt}", 16)
      if txt.start_with?('f')
        max = Integer("0x#{'f' * txt.length}", 16)
        n = n - max - 1
      end
      Hexnum.new(n, txt.length)
    end
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
zold-0.31.4	lib/zold/hexnum.rb
zold-0.31.3	lib/zold/hexnum.rb
zold-0.31.2	lib/zold/hexnum.rb
zold-0.31.1	lib/zold/hexnum.rb
zold-0.31.0	lib/zold/hexnum.rb
zold-0.30.0	lib/zold/hexnum.rb
zold-0.29.34	lib/zold/hexnum.rb