Class: Nix::NixBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-nixos/nix.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, expr, *args) ⇒ NixBuilder

Returns a new instance of NixBuilder.



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# File 'lib/vagrant-nixos/nix.rb', line 18

def initialize(parent, expr, *args)
  @parent = parent
  @exprs  = args.inject([expr]){|exs, e| exs << e}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object 



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# File 'lib/vagrant-nixos/nix.rb', line 23

def method_missing(m, *args, &block)
  NixBuilder.new(self, m.to_sym, *args)
end

Instance Attribute Details

#exprs ⇒ Object

Returns the value of attribute exprs.



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# File 'lib/vagrant-nixos/nix.rb', line 15

def exprs
  @exprs
end

#parent ⇒ Object

Returns the value of attribute parent.



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# File 'lib/vagrant-nixos/nix.rb', line 16

def parent
  @parent
end

Instance Method Details

#to_nix(indent = 0) ⇒ Object 



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# File 'lib/vagrant-nixos/nix.rb', line 27

def to_nix(indent = 0)
  s = ""
  s << "(" if @exprs[0] == :import
  if @parent
    s = @parent.to_nix << "."
  end
  s << @exprs.map{|e| e.to_nix}.join(" ")
  s << ")" if @exprs[0] == :import
  s
end