Class: Byebug::Setting

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

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 7

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 3

def value
  @value
end

Class Method Details

.[](name) ⇒ Object 



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# File 'lib/byebug/setting.rb', line 15

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

.[]=(name, value) ⇒ Object 



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# File 'lib/byebug/setting.rb', line 19

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

.boolean?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/byebug/setting.rb', line 23

def self.boolean?(name)
  key = (name =~ /^no/ ? name[2..-1] : name).to_sym
  settings[key].boolean?
end

.exists?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/byebug/setting.rb', line 41

def self.exists?(name)
  key = (name =~ /^no/ ? name[2..-1] : name).to_sym
  boolean?(key) ? settings.include?(key) : settings.include?(name.to_sym)
end

.find(shortcut) ⇒ Object 



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# File 'lib/byebug/setting.rb', line 56

def self.find(shortcut)
  abbr = shortcut =~ /^no/ ? shortcut[2..-1] : shortcut
  matches = settings.select do |key, value|
    value.boolean? ? key =~ /#{abbr}/ : key =~ /#{shortcut}/
  end
  matches.size == 1 ? matches.keys.first : nil
end

.format ⇒ Object 



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# File 'lib/byebug/setting.rb', line 64

def self.format()
  output = "List of settings supported in byebug:\n"
  width = settings.keys.max_by(&:size).size
  settings.values.each do |setting|
    output << sprintf("%-#{width}s -- %s\n", setting.to_sym, setting.help)
  end
  output
end

.integer?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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

def self.integer?(name)
  settings[name.to_sym].integer?
end

.load ⇒ Object 



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

def self.load
  Dir.glob(File.expand_path('../settings/*.rb', __FILE__)).each do |file|
    require file
  end
  Byebug.constants.grep(/[a-z]Setting/).map do |name|
    setting = Byebug.const_get(name).new
    settings[setting.to_sym] = setting
  end
end

.settings ⇒ Object 



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# File 'lib/byebug/setting.rb', line 11

def self.settings
  @settings ||= {}
end

Instance Method Details

#boolean? ⇒ Boolean

Returns:

  • (Boolean) 


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

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

#integer? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/byebug/setting.rb', line 36

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

#to_s ⇒ Object 



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# File 'lib/byebug/setting.rb', line 78

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

#to_sym ⇒ Object 



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# File 'lib/byebug/setting.rb', line 73

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