Class: ConfigModule::ConfigHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/config_module/config_helper.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#config_file ⇒ Object

Returns the value of attribute config_file.



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# File 'lib/config_module/config_helper.rb', line 4

def config_file
  @config_file
end

#namespaces ⇒ Object

Returns the value of attribute namespaces.



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# File 'lib/config_module/config_helper.rb', line 4

def namespaces
  @namespaces
end

#raw_config ⇒ Object (readonly)

Returns the value of attribute raw_config.



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# File 'lib/config_module/config_helper.rb', line 3

def raw_config
  @raw_config
end

Instance Method Details

#config ⇒ Object 



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# File 'lib/config_module/config_helper.rb', line 6

def config
  @config ||= ConfigOption.wrap load_config
end

#field_lookup_handler(name, source, *args, &block) ⇒ Object 



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# File 'lib/config_module/config_helper.rb', line 23

def field_lookup_handler name, source, *args, &block
  config[name]
end

#load_config ⇒ Object 



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# File 'lib/config_module/config_helper.rb', line 27

def load_config
  @raw_config = YAML.load_file config_file

  load_namespaces_from raw_config
end

#load_namespaces_from(tree) ⇒ Object 



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# File 'lib/config_module/config_helper.rb', line 33

def load_namespaces_from tree
  namespaces.inject(ConfigOption.wrap tree) do |subtree, ns|
    if ConfigOption === subtree && ns.respond_to?(:to_sym) && subtree.has_key?(ns)
      ConfigOption.wrap subtree[ns]
    else
      raise(
        InvalidNamespaceError.new(ns, subtree, caller),
        "No subkey with name: #{ns.inspect}", caller(6)
      )
    end
  end
rescue TypeError => error
  raise(
    InvalidNamespaceError.new(namespaces.first, self, caller),
    "Namespace must be a string or symbol, instead it was: #{namespaces.first.class}", caller(6)
  )
end

#method_missing_handler(name, source, *args, &block) ⇒ Object 



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# File 'lib/config_module/config_helper.rb', line 10

def method_missing_handler name, source, *args, &block
  config.send name, *args, &block
rescue NoMethodError => error
  if error.name == name then
    raise(
      ConfigOption::NotFoundError.new(name, self, error),
      error.message, source
    )
  else
    raise
  end
end