Class: Bundix::Nixer

Inherits:
Object
  • Object
show all
Defined in:
lib/bundix/nixer.rb

Constant Summary collapse

SET_T = 
ERB.new(File.read(File.expand_path("../../template/nixer/set.erb", __dir__)).chomp)
LIST_T = 
ERB.new(File.read(File.expand_path("../../template/nixer/list.erb", __dir__)).chomp)

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(obj, level = 0) ⇒ Nixer

Returns a new instance of Nixer.



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# File 'lib/bundix/nixer.rb', line 55

def initialize(obj, level = 0)
  @obj = obj
  @level = level
end

Instance Attribute Details

#level ⇒ Object (readonly)

Returns the value of attribute level.



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# File 'lib/bundix/nixer.rb', line 50

def level
  @level
end

#obj ⇒ Object (readonly)

Returns the value of attribute obj.



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# File 'lib/bundix/nixer.rb', line 50

def obj
  @obj
end

Class Method Details

.class_order(left, right) ⇒ Object 



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# File 'lib/bundix/nixer.rb', line 45

def class_order(left, right)
  left.class.name <=> right.class.name # like Erlang
end

.order(left, right) ⇒ Object 



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# File 'lib/bundix/nixer.rb', line 23

def order(left, right)
  if right.is_a?(left.class)
    if right.respond_to?(:<=>)
      cmp = right <=> left
      return -1 * (cmp) unless cmp.nil?
    end
  end

  if left.is_a?(right.class)
    if left.respond_to?(:<=>)
      cmp = right <=> left
      if cmp.nil?
        return class_order(left, right)
      else
        return cmp
      end
    end
  end

  return class_order(left, right)
end

.serialize(obj) ⇒ Object 



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# File 'lib/bundix/nixer.rb', line 19

def serialize(obj)
  new(obj).serialize
end

Instance Method Details

#indent ⇒ Object 



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# File 'lib/bundix/nixer.rb', line 60

def indent
  ' ' * (level + 2)
end

#outdent ⇒ Object 



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# File 'lib/bundix/nixer.rb', line 64

def outdent
  ' ' * level
end

#serialize ⇒ Object 



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# File 'lib/bundix/nixer.rb', line 80

def serialize
  case obj
  when Hash
    return SET_T.result(binding)
  when Array
    return LIST_T.result(binding)
  when String
    obj.dump
  when Symbol
    obj.to_s.dump
  when Pathname
    str = obj.to_s
    if %r{/} !~ str
      "./"+ str
    else
      str
    end
  when true, false
    obj.to_s
  else
    fail "Cannot convert to nix: #{obj.inspect}"
  end
end

#serialize_key(k) ⇒ Object 



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# File 'lib/bundix/nixer.rb', line 72

def serialize_key(k)
  if k.to_s =~ /^[a-zA-Z_-]+[a-zA-Z0-9_-]*$/
    k.to_s
  else
    sub(k, 2)
  end
end

#sub(obj, indent = 0) ⇒ Object 



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# File 'lib/bundix/nixer.rb', line 68

def sub(obj, indent = 0)
  self.class.new(obj, level + indent).serialize
end