Calls the Proc object or method name before generating all or a specific section. The callback should return false if the section is to be skipped.

@overload before_section(method_name)

  @param [Symbol] method_name the name of the method to call before
    running the generator.

@overload before_section(proc)

  @param [Proc] proc should return +false+ if section should be skipped.

@overload before_section(section, condition)

  Only calls the +Proc+ or method if it matches the passed +section+

  @param [Object] section one of the section items in {#sections_for}
  @param [Symbol, Proc] condition see the first two overloads

Convenience method to registering a template path. Equivalent to calling:

  GeneratorName.template_paths.unshift(path)

@param [String] path

  the pathname to look for the template

@see template_paths

Creates a generator by adding extra options to the options hash.

@example [Creates a new MethodSummaryGenerator for public class methods]

  G(MethodSummaryGenerator, :scope => :class, :visibility => :public)

@param [Class] generator

  the generator class to use.

@option opts :ignore_serializer [Boolean] (true) whether or not the serializer is ignored.