lib/lazylead/allocated.rb
# frozen_string_literal: true

# The MIT License
#
# Copyright (c) 2019-2022 Yurii Dubinka
#
# 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 NON-INFRINGEMENT. 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.

require "get_process_mem"

module Lazylead
  # Human readable format of allocated bytes within current process.
  #
  # Author:: Yurii Dubinka (yurii.dubinka@gmail.com)
  # Copyright:: Copyright (c) 2019-2020 Yurii Dubinka
  # License:: MIT
  class Allocated
    def initialize(bytes = GetProcessMem.new.bytes.to_i)
      @bytes = bytes
    end

    def to_s
      if @bytes.nil?
        "?"
      elsif @bytes < 1024
        "#{@bytes}B"
      elsif @bytes < 1024 * 1024
        "#{(@bytes / 1024).round}KB"
      elsif @bytes < 1024 * 1024 * 1024
        "#{(@bytes / (1024 * 1024)).round}MB"
      else
        "#{(@bytes / (1024 * 1024 * 1024)).round}GB"
      end
    end

    def to_i
      @bytes
    end
  end
end
