Class: Byebug::Setting

Inherits:
Object
  • Object
show all
Defined in:
lib/byebug/setting.rb

Overview

Parent class for all byebug settings.

Constant Summary collapse

DEFAULT = 
false

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Setting

Returns a new instance of Setting.



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# File 'lib/byebug/setting.rb', line 14

def initialize
  @value = self.class::DEFAULT
end

Instance Attribute Details

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/byebug/setting.rb', line 10

def value
  @value
end

Class Method Details

.[](name) ⇒ Object 



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# File 'lib/byebug/setting.rb', line 46

def [](name)
  settings[name].value
end

.[]=(name, value) ⇒ Object 



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# File 'lib/byebug/setting.rb', line 50

def []=(name, value)
  settings[name].value = value
end

.find(shortcut) ⇒ Object 



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# File 'lib/byebug/setting.rb', line 54

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

.help_all ⇒ Object

TODO:

DRY this up. Very similar code exists in the CommandList class



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# File 'lib/byebug/setting.rb', line 65

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

.settings ⇒ Object 



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# File 'lib/byebug/setting.rb', line 42

def settings
  @settings ||= {}
end

Instance Method Details

#boolean? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/byebug/setting.rb', line 18

def boolean?
  [true, false].include?(value)
end

#help ⇒ Object 



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# File 'lib/byebug/setting.rb', line 28

def help
  prettify(banner)
end

#integer? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/byebug/setting.rb', line 22

def integer?
  Integer(value) ? true : false
rescue ArgumentError
  false
end

#to_s ⇒ Object 



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# File 'lib/byebug/setting.rb', line 37

def to_s
  "#{to_sym} is #{value ? 'on' : 'off'}\n"
end

#to_sym ⇒ Object 



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# File 'lib/byebug/setting.rb', line 32

def to_sym
  name = self.class.name.gsub(/^Byebug::/, "").gsub(/Setting$/, "")
  name.gsub(/(.)([A-Z])/, '\1_\2').downcase.to_sym
end