Class: Preferences

Inherits:

Hash

• Object
• Hash
• Preferences

Defined in:

lib/preferences.rb

Class Method Summary

• .defaults ⇒ Object

  synonym for ‘new’.

• .read(str) ⇒ Object

  }}}1.

Instance Method Summary

• #[](key) ⇒ Object

  }}}1.

• #initialize ⇒ Preferences constructor

  }}}1.

• #write ⇒ Object

  }}}1.

Constructor Details

#initialize ⇒ Preferences

}}}1

# File 'lib/preferences.rb', line 40

def initialize
#{{{1
	set_defaults
end

Class Method Details

.defaults ⇒ Object

synonym for ‘new’

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

def Preferences.defaults
#{{{1
	return Preferences.new
end

.read(str) ⇒ Object

}}}1

# File 'lib/preferences.rb', line 17

def Preferences.read(str)
#{{{1
	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

}}}1

# File 'lib/preferences.rb', line 45

def [](key)
#{{{1
	if has_key?(key) then
		return super(key)
	else
		raise "'#{key}' is not a valid preferences key"
	end
end

#write ⇒ Object

}}}1

# File 'lib/preferences.rb', line 34

def write
#{{{1
	print_debug "writing preferences to string"
	return YAML.dump(self)
end