Class: Temple::Mixins::CompiledDispatcher::DispatchNode Private

Inherits:
Hash
  • Object
show all
Defined in:
lib/temple/mixins/dispatcher.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DispatchNode

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of DispatchNode.



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# File 'lib/temple/mixins/dispatcher.rb', line 82

def initialize
  super { |hsh,key| hsh[key] = DispatchNode.new }
  @method = nil
end

Instance Attribute Details

#method ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/temple/mixins/dispatcher.rb', line 80

def method
  @method
end

Instance Method Details

#compile(level = 0, call_parent = nil) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/temple/mixins/dispatcher.rb', line 87

def compile(level = 0, call_parent = nil)
  call_method = method ? (level == 0 ? "#{method}(*exp)" :
                          "#{method}(*exp[#{level}..-1])") : call_parent
  if empty?
    raise 'Invalid dispatcher node' unless method
    call_method
  else
    code = String.new
    code << "case(exp[#{level}])\n"
    each do |key, child|
      code << "when #{key.inspect}\n  " <<
        child.compile(level + 1, call_method).gsub("\n".freeze, "\n  ".freeze) << "\n".freeze
    end
    code << "else\n  " << (call_method || 'exp') << "\nend"
  end
end