# class Gem::Commands::RdocCommand

### Public Class Methods

new() click to toggle source
Calls superclass method `Gem::Command::new`

    # File lib/rubygems/commands/rdoc_command.rb, line 10
    def initialize
      super 'rdoc', 'Generates RDoc for pre-installed gems',
            :version => Gem::Requirement.default,
            :include_rdoc => false, :include_ri => true, :overwrite => false

      add_option('--all',
                 'Generate RDoc/RI documentation for all',
                 'installed gems') do |value, options|
        options[:all] = value
      end

      add_option('--[no-]rdoc',
                 'Generate RDoc HTML') do |value, options|
        options[:include_rdoc] = value
      end

      add_option('--[no-]ri',
                 'Generate RI data') do |value, options|
        options[:include_ri] = value
      end

      add_option('--[no-]overwrite',
                 'Overwrite installed documents') do |value, options|
        options[:overwrite] = value
      end

      add_version_option
    end

### Public Instance Methods

execute() click to toggle source

    # File lib/rubygems/commands/rdoc_command.rb, line 62
    def execute
      specs = if options[:all]
                Gem::Specification.to_a
              else
                get_all_gem_names.map do |name|
                  Gem::Specification.find_by_name name, options[:version]
                end.flatten.uniq
              end

      if specs.empty?
        alert_error 'No matching gems found'
        terminate_interaction 1
      end

      specs.each do |spec|
        doc = Gem::RDoc.new spec, options[:include_rdoc], options[:include_ri]

        doc.force = options[:overwrite]

        if options[:overwrite]
          FileUtils.rm_rf File.join(spec.doc_dir, 'ri')
          FileUtils.rm_rf File.join(spec.doc_dir, 'rdoc')
        end

        begin
          doc.generate
        rescue Errno::ENOENT => e
          e.message =~ / - /
          alert_error "Unable to document #{spec.full_name}, #{$'} is missing, skipping"
          terminate_interaction 1 if specs.length == 1
        end
      end
    end