Sha256: 83cef7f02ba566cc4e26034d7238a01a05156f5134438b7db6c3ba3754c1a598
Contents?: true
Size: 973 Bytes
Versions: 25
Compression:
Stored size: 973 Bytes
Contents
# frozen_string_literal: true
#
# Copyright 2013 whiteleaf. All rights reserved.
#
class ProgressBar
class OverRangeError < StandardError; end
attr_reader :io
def initialize(max, interval = 1, width = 50, char = "*", io: $stdout)
@max = max == 0 ? 1.0 : max.to_f
@interval = interval
@width = width
@char = char
@counter = 0
@io = io
end
def output(num)
return if silent?
if num > @max
raise OverRangeError, "`#{num}` over `#{@max}(max)`"
end
@counter += 1
return unless @counter % @interval == 0
ratio = calc_ratio(num)
now = (@width * ratio).round
rest = @width - now
io.stream.print format("[%s%s] %d%%\r", @char * now, " " * rest, (ratio * 100).round)
end
def clear
return if silent?
io.stream.print "\e[2K\r" # 行削除して行頭へ移動
end
def calc_ratio(num)
num / @max
end
def silent?
ENV["NAROU_ENV"] == "test" || !io.tty? || io.silent?
end
end
Version data entries
25 entries across 25 versions & 1 rubygems