Class: Object

Inherits:
BasicObject
Defined in:
lib/aastdlib/object.rb

Instance Method Summary collapse

Instance Method Details

#declare_and_define_ivar(name:, value:, convenience: true) ⇒ Object

Declare and define an instance variable for a given object. Name is the instance variable name and value is the item assigned to that instance variable. Convenience determines whether getter/setter methods are defined as well.



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# File 'lib/aastdlib/object.rb', line 7

def declare_and_define_ivar(name:, value:, convenience: true)

	if name =~ /^@/

		iv_handle = name
		name = name.to_s.gsub('@','')

	else

		iv_handle = ('@'+name)

	end

	iv_handle = iv_handle.to_sym if iv_handle.respond_to?(:to_sym)

    self.instance_variable_set(iv_handle, value)

    if convenience

    	# getter
    	self.define_singleton_method(name) do
    		self.instance_variable_get(iv_handle)
    	end

    	# setter
    	self.define_singleton_method(name+'=') do |value|
    		self.instance_variable_set(iv_handle, value)
    	end

    end

end

#define_ivar(name:, value:, convenience: true) ⇒ Object

Convenience method for declare_and_define_ivar()



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# File 'lib/aastdlib/object.rb', line 41

def define_ivar(name:, value:, convenience: true)

	self.declare_and_define_ivar(name: name, value: value)

end

#instance_variable_table ⇒ Object

Using terminal-table, format all instance variables in a visually appealing text-based table.



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# File 'lib/aastdlib/object.rb', line 49

def instance_variable_table()

	rows = []
	table = Terminal::Table.new()
	table.headings = ['Instance Variable', 'Object']
	table.title = "#{self.class}: Instance Vairables"

	self.instance_variables.each do |iv|

		rows << [iv.to_s,self.instance_variable_get(iv)]
		
	end

	table.rows = rows

	return table

end

#method_table(type = nil) ⇒ Object

Using terminal-table, print a visually appealing table detailing methods offered by the object. Valid arguments to type include:

  • private

  • public

  • protected



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# File 'lib/aastdlib/object.rb', line 113

def method_table(type=nil)

	mlists = {
		methods: [],
		private: [],
		protected: [],
		public: []
	}

	if type

		case type

		when :private

			self.private_methods.sort.each  {|m| mlists[:private] << m}

		when :protected

			self.protected_methods.sort.each {|m| mlists[:protected] << m}

		when :public

			self.public_methods.sort.each  {|m| mlists[:public] << m}

		end

	else

		self.methods.sort.each {|m| mlists[:methods] << m} unless type
		self.private_methods.sort.each  {|m| mlists[:private] << m}
		self.protected_methods.sort.each {|m| mlists[:protected] << m}
		self.public_methods.sort.each  {|m| mlists[:public] << m}

	end

	mlists.delete_if {|k,v| v == []}

	if mlists.count < 1

		if type

			puts "[+] No methods of #{type} type available!"

		else

			puts "[+] No methods available!"

		end

		return

	end

	lengths = []
	headings = ['#']

	mlists.each do |k,v|
		headings << k.to_s.gsub('_',' ').capitalize
		lengths << v.length
	end

	max_len = lengths.uniq.sort.last

	table = Terminal::Table.new()
	table.headings = headings
	table.title = "Methods: #{self.class}"

	rows = []

	max_len.times do |n|

		row = []

		row << n
		mlists.each { |k,v|	row << mlists[k][n] }

		rows << row

	end

	table.rows = rows

	return table

end

#pi(obj) ⇒ Object

Pretty inspect and print it to stdout.



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# File 'lib/aastdlib/object.rb', line 100

def pi(obj)

	puts
	puts obj.pretty_inspect
	puts

end

#pretty_inspect ⇒ Object

Inspect the object all pretty like.



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# File 'lib/aastdlib/object.rb', line 69

def pretty_inspect()

	tab_count = 0

	out = self.inspect.gsub("@","\n\t@")
		.lines

	expanded = ""

	counter = out.length
	(0..counter-1).each do |n|

		line = out[n]

		expanded += ("\t"*tab_count) + line

		tab_count += 1 if line =~ /\=\#\</

		if line =~ /\>\,/ and tab_count != 0

			tab_count -= 1

		end

	end

	return expanded

end