Class: Erlash::Formatter

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(registry, options = {}) ⇒ Formatter

Returns a new instance of Formatter.



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# File 'lib/erlash/formatter.rb', line 26

def initialize(registry, options = {})
  @registry = registry
  @output = StringIO.new
  @objs = []
  @options = options
end

Instance Attribute Details

#objs ⇒ Object (readonly)

Returns the value of attribute objs.



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# File 'lib/erlash/formatter.rb', line 25

def objs
  @objs
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/erlash/formatter.rb', line 25

def options
  @options
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/erlash/formatter.rb', line 25

def output
  @output
end

#registry ⇒ Object (readonly)

Returns the value of attribute registry.



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# File 'lib/erlash/formatter.rb', line 25

def registry
  @registry
end

Class Method Details

.format(inst, obj) ⇒ Object

def self.call(inst, obj)

registry = inst.registry
formatter = registry.find(obj.class)
if formatter
  formatter.call(inst, obj)
elsif obj.respond_to?(:to_erlash)
  obj.to_erlash
else
  obj.to_s
end

end



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# File 'lib/erlash/formatter.rb', line 15

def self.format(inst, obj)
  registry = inst.registry
  formatter = registry.find(obj.class)
  if formatter
    formatter.format(inst, obj)
  else
    obj.to_s
  end
end

Instance Method Details

#<<(elem) ⇒ Object 



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# File 'lib/erlash/formatter.rb', line 33

def <<(elem)
  objs << elem
end

#to_s ⇒ Object Also known as: string 



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# File 'lib/erlash/formatter.rb', line 37

def to_s
  return @to_s if defined?(@to_s)
  objs.each do |e|
    output.puts format_elem(e)
  end
  @to_s = output.string
end