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Contents
# frozen_string_literal: true
require_relative "helpers/string"
module Byebug
#
# Parent class for all byebug settings.
#
class Setting
attr_accessor :value
DEFAULT = false
def initialize
@value = self.class::DEFAULT
end
def boolean?
[true, false].include?(value)
end
def integer?
Integer(value) ? true : false
rescue ArgumentError
false
end
def help
prettify(banner)
end
def to_sym
name = self.class.name.gsub(/^Byebug::/, "").gsub(/Setting$/, "")
name.gsub(/(.)([A-Z])/, '\1_\2').downcase.to_sym
end
def to_s
"#{to_sym} is #{value ? 'on' : 'off'}\n"
end
class << self
def settings
@settings ||= {}
end
def [](name)
settings[name].value
end
def []=(name, value)
settings[name].value = value
end
def find(shortcut)
abbr = /^no/.match?(shortcut) ? shortcut[2..-1] : shortcut
matches = settings.select do |key, value|
key =~ (value.boolean? ? /#{abbr}/ : /#{shortcut}/)
end
matches.size == 1 ? matches.values.first : nil
end
#
# @todo DRY this up. Very similar code exists in the CommandList class
#
def help_all
output = " List of supported settings:\n\n"
width = settings.keys.max_by(&:size).size
settings.each_value do |sett|
output += format(
" %<name>-#{width}s -- %<description>s\n",
name: sett.to_sym,
description: sett.banner
)
end
output + "\n"
end
end
end
end
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