Class: Renamespace::RenamespaceFileContent

Inherits:
Object
  • Object
show all
Defined in:
lib/renamespace/renamespace_file_content.rb

Instance Method Summary collapse

Constructor Details

#initialize(paths:, no_superclass_prefixing:) ⇒ RenamespaceFileContent

Returns a new instance of RenamespaceFileContent.



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# File 'lib/renamespace/renamespace_file_content.rb', line 5

def initialize(paths:, no_superclass_prefixing:)
  @paths = paths
  @no_superclass_prefixing = no_superclass_prefixing
end

Instance Method Details

#call(content) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/MethodLength, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



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# File 'lib/renamespace/renamespace_file_content.rb', line 10

def call(content) # rubocop:disable Metrics/AbcSize, Metrics/MethodLength, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
  content = content.dup
  source, dest = source_and_dest_namespace_elements_without_common_prefix
  namespace_element_replacements = dest.reverse.zip(source.reverse)
  namespace_element_replacements.each_with_index do |(namespace_element_new, namespace_element_old), i|
    old_parent_namespace = namespace_element_replacements.last(i + 1).map(&:last).reverse.join('::')
    old_parent_namespace += '::' unless old_parent_namespace.empty?
    if namespace_element_old
      # Replacing existing namespace
      content.sub!(/(class|module) #{namespace_element_old}\b( < (\S+))?/) do
        klass_line = "#{Regexp.last_match(1)} RENAMESPACED_#{namespace_element_new}"
        Regexp.last_match(3)&.tap do |superclass_orig|
          klass_line += ' < '
          klass_line += old_parent_namespace unless superclass_orig.start_with?('::') || no_superclass_prefixing?
          klass_line += superclass_orig
        end
        klass_line
      end
    else
      # Adding new namespace
      previous_new_namespace_element = namespace_element_replacements[i - 1].first
      content.sub!(
        /((class|module) RENAMESPACED_#{previous_new_namespace_element})/,
        "module RENAMESPACED_#{namespace_element_new}; \\1",
      )
      content.sub!(/^(end)/, "\\1\nend")
    end
  end
  content.gsub!('RENAMESPACED_', '')
  content
end