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Size: 1.56 KB
Versions: 12
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Stored size: 1.56 KB
Contents
class ProgressBar
module Format
class Base
attr_reader :molecules
def initialize(format_string)
@format_string = format_string
@molecules = parse(format_string)
end
def process(environment)
processed_string = @format_string.dup
ansi_sgr_codes = %r{\e\[[\d;]+m}
non_bar_molecules.each do |molecule|
processed_string.gsub!("%#{molecule.key}", environment.send(molecule.method_name).to_s)
end
remaining_molecules = bar_molecules.size
placeholder_length = remaining_molecules * 2
processed_string.gsub! '%%', '%'
processed_string_length = processed_string.gsub(ansi_sgr_codes, '').length
leftover_bar_length = environment.send(:length) - processed_string_length + placeholder_length
leftover_bar_length = leftover_bar_length < 0 ? 0 : leftover_bar_length
bar_molecules.each do |molecule|
processed_string.gsub!("%#{molecule.key}", environment.send(molecule.method_name, leftover_bar_length).to_s)
end
processed_string
end
private
def non_bar_molecules
@non_bar_molecules ||= molecules.select { |molecule| !molecule.bar_molecule? }
end
def bar_molecules
@bar_molecules ||= molecules.select { |molecule| molecule.bar_molecule? }
end
def parse(format_string)
molecules = []
format_string.scan(/%[a-zA-Z]/) do |match|
molecules << Molecule.new(match[1,1])
end
molecules
end
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems