Class: Palmade::Cableguy::Configurator

Inherits:
Object
  • Object
show all
Defined in:
lib/palmade/cableguy/configurator.rb

Direct Known Subclasses

CableConfigurator

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Configurator

Returns a new instance of Configurator.



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# File 'lib/palmade/cableguy/configurator.rb', line 8

def initialize(*args)
  @args = args
  @sections = { }
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

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



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# File 'lib/palmade/cableguy/configurator.rb', line 19

def method_missing(method, *args, &block)
  method = method.to_s
  if method[-1,1] == '='
    # this is a setter
    # create a new accessor

    var_name = method[0..-2]
    eval = <<EVAL
def #{var_name}=(val)
@#{var_name} = val
end

def #{var_name}
@#{var_name}
end
EVAL
  self.class.send(:class_eval, eval, __FILE__, __LINE__)
  self.send(method, *args)
elsif block_given?
  update_section(method, *args, &block)

  # create a new section
  eval = <<EVAL
def #{method}(*args, &block)
if block_given?
  update_section(#{method}, *args, &block)
else
  call_section(#{method}, *args)
end
end
EVAL
    self.class.send(:class_eval, eval, __FILE__, __LINE__)
  else
    # generate an error!
    raise ArgumentError, "Section #{method} not defined."
  end
end

Class Method Details

.configure(file_path, *args) ⇒ Object 



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# File 'lib/palmade/cableguy/configurator.rb', line 3

def self.configure(file_path, *args)
  c = Class.new(self).new(*args)
  c.configure(file_path)
end

Instance Method Details

#append_args(*args) ⇒ Object 



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# File 'lib/palmade/cableguy/configurator.rb', line 13

def append_args(*args)
  unless args.empty?
    @args += @args
  end
end

#call_section(section, *args) ⇒ Object Also known as: call, include 



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# File 'lib/palmade/cableguy/configurator.rb', line 72

def call_section(section, *args)
  section = prep(section)
  if @sections.include?(section)
    @sections[section].each do |block|
      block.call(*(args + @args))
    end
  else
    raise ArgumentError, "Section #{section} not defined."
  end
end

#configure(file_path) ⇒ Object 



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# File 'lib/palmade/cableguy/configurator.rb', line 62

def configure(file_path)
  if File.exists?(file_path)
    fcontents = File.read(file_path)
    self.instance_eval(fcontents, file_path)
  else
    raise ArgumentError, "File #{file_path} not found"
  end
  self
end

#include?(section) ⇒ Boolean Also known as: has?

Returns:

  • (Boolean) 


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# File 'lib/palmade/cableguy/configurator.rb', line 57

def include?(section)
  @sections.include?(prep(section))
end