Class: Literal::Formatter

Inherits:
Visitor
  • Object
show all
Defined in:
lib/literal/formatter.rb

Direct Known Subclasses

Attributable::Formatter

Constant Summary collapse

INDENTATION_CHARACTER = 
"  "

Instance Method Summary collapse

Methods inherited from Visitor

#visit, #visit_each

Constructor Details

#initialize ⇒ Formatter

Returns a new instance of Formatter.



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# File 'lib/literal/formatter.rb', line 6

def initialize
	@buffer = +""
	@indentation_level = 0
end

Instance Method Details

#comment(string) ⇒ Object 



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# File 'lib/literal/formatter.rb', line 22

def comment(string)
	text "# #{string}"
	newline
end

#indent ⇒ Object 



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# File 'lib/literal/formatter.rb', line 31

def indent
	@indentation_level += 1
	newline
	yield
	@indentation_level -= 1
end

#newline ⇒ Object 



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# File 'lib/literal/formatter.rb', line 27

def newline
	@buffer << "\n" << (INDENTATION_CHARACTER * @indentation_level)
end

#text(value) ⇒ Object 



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# File 'lib/literal/formatter.rb', line 11

def text(value)
	case value
	when String
		@buffer << value
	when Symbol
		@buffer << value.name
	else
		@buffer << value.to_s
	end
end