Module: Dependencies

Extended by:
Dependencies
Included in:
Dependencies
Defined in:
lib/active_support/dependencies.rb

Overview

:nodoc:

Defined Under Namespace

Classes: LoadingModule

Instance Method Summary collapse

Instance Method Details

#associate_with(file_name) ⇒ Object 



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# File 'lib/active_support/dependencies.rb', line 35

def associate_with(file_name)
  depend_on(file_name, true)
end

#clear ⇒ Object 



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# File 'lib/active_support/dependencies.rb', line 39

def clear
  loaded.clear
end

#depend_on(file_name, swallow_load_errors = false) ⇒ Object 



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# File 'lib/active_support/dependencies.rb', line 29

def depend_on(file_name, swallow_load_errors = false)
  require_or_load(file_name)
rescue LoadError
  raise unless swallow_load_errors
end

#load? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_support/dependencies.rb', line 25

def load?
  mechanism == :load
end

#require_or_load(file_name) ⇒ Object 



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# File 'lib/active_support/dependencies.rb', line 43

def require_or_load(file_name)
  file_name = $1 if file_name =~ /^(.*)\.rb$/
  return if loaded.include?(file_name)

  # Record that we've seen this file *before* loading it to avoid an
  # infinite loop with mutual dependencies.
  loaded << file_name

  if load?
    begin
      # Enable warnings iff this file has not been loaded before and
      # warnings_on_first_load is set.
      if !warnings_on_first_load or history.include?(file_name)
        load "#{file_name}.rb"
      else
        enable_warnings { load "#{file_name}.rb" }
      end
    rescue
      loaded.delete file_name
      raise
    end
  else
    require file_name
  end

  # Record history *after* loading so first load gets warnings.
  history << file_name
end