Class: Preferences

Inherits:
Hash
  • Object
show all
Defined in:
lib/preferences.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Preferences

Returns a new instance of Preferences.



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# File 'lib/preferences.rb', line 33

def initialize
  set_defaults
end

Class Method Details

.defaults ⇒ Object

synonym for ‘new’



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# File 'lib/preferences.rb', line 8

def Preferences.defaults
  return Preferences.new
end

.read(str) ⇒ Object 



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# File 'lib/preferences.rb', line 12

def Preferences.read(str)
  p = Preferences.new

  begin
    print_debug "reading preferneces from string"
    hash = YAML.load(str)
    hash.each do | key, value |
      p[key] = value
    end
  rescue SystemCallError
    print_debug " failed, setting default preferences"
  end

  return p
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/preferences.rb', line 37

def [](key)
  if has_key?(key) then
    return super(key)
  else
    raise "'#{key}' is not a valid preferences key"
  end
end

#write ⇒ Object 



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# File 'lib/preferences.rb', line 28

def write
  print_debug "writing preferences to string"
  return YAML.dump(self)
end