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measure.rb
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measure.rb
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# Copyright, 2019, by Samuel G. D. Williams. <http://www.codeotaku.com>
#
# 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 NONINFRINGEMENT. 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.
module Console
class Measure
module Bar
BLOCK = [
" ",
"▏",
"▎",
"▍",
"▌",
"▋",
"▊",
"▉",
"█",
]
def self.format(value, width)
blocks = width * value
full_blocks = blocks.floor
partial_block = ((blocks - full_blocks) * BLOCK.size).floor
if partial_block.zero?
BLOCK.last * full_blocks
else
"#{BLOCK.last * full_blocks}#{BLOCK[partial_block]}"
end.ljust(width)
end
end
def initialize(output, subject, total = 0)
@output = output
@subject = subject
@start_time = Time.now
@current = 0
@total = total
end
def duration
Time.now - @start_time
end
def remaining
@total - @current
end
def average_duration
if @current > 0
duration / @current
end
end
def estimated_remaining_time
if average_duration = self.average_duration
average_duration * remaining
end
end
def increment(amount = 1)
@current += amount
@output.info(@subject, self) {self.formatted_progress_bar}
return self
end
def mark(*arguments)
@output.info(@subject, *arguments) {self.formatted_progress_bar}
end
def formatted_progress_bar(width = 70)
"[#{Bar.format(@current.to_f / @total.to_f, width)}]"
end
def to_s
if estimated_remaining_time = self.estimated_remaining_time
"#{@current}/#{@total} completed, #{self.formatted_duration estimated_remaining_time} remaining."
else
"#{@current}/#{@total} completed, waiting for estimate..."
end
end
private
def formatted_duration(duration)
if duration < 60.0
return "#{duration.round(2)}s"
end
duration /= 60.0
if duration < 60.0
return "#{duration.round}m"
end
duration /= 60.0
if duration < 60.0
return "#{duration.round(1)}h"
end
duration /= 24.0
return "#{duration.round(1)}d"
end
end
end