Class: RDoc::RDoc (Ruby 2.3.7)
Description: Class : RDoc::RDoc - Ruby 2.3.7

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Support for the Ruby 2.3 series has ended. See here for reference.

### Home Classes Methods

### In Files

- rdoc/rdoc.rb
- rdoc/text.rb
- rdoc/token_stream.rb

### Parent

Object

### Methods

- ::add_generator
- ::current
- ::current=
- ::new
- #document
- #error
- #gather_files
- #generate
- #handle_pipe
- #install_siginfo_handler
- #list_files_in_directory
- #load_options
- #normalized_file_list
- #output_flag_file
- #parse_dot_doc_file
- #parse_file
- #parse_files
- #remove_siginfo_handler
- #remove_unparseable
- #setup_output_dir
- #store=
- #update_output_dir

### Class/Module Index

Quicksearch

- RDoc
- RDoc::Alias
- RDoc::AnonClass
- RDoc::AnyMethod
- RDoc::Attr
- RDoc::ClassModule
- RDoc::CodeObject
- RDoc::Comment
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- RDoc::Context
- RDoc::Context::Section
- RDoc::CrossReference
- RDoc::ERBIO
- RDoc::ERBPartial
- RDoc::Encoding
- RDoc::Error
- RDoc::Extend
- RDoc::Generator
- RDoc::Generator::Darkfish
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- RDoc::Generator::Markup
- RDoc::Generator::POT
- RDoc::Generator::POT::MessageExtractor
- RDoc::Generator::POT::PO
- RDoc::Generator::POT::POEntry
- RDoc::Generator::RI
- RDoc::GhostMethod
- RDoc::I18n
- RDoc::I18n::Locale
- RDoc::I18n::Text
- RDoc::Include
- RDoc::Markdown
- RDoc::Markdown::Literals
- RDoc::Markup
- RDoc::Markup::AttrChanger
- RDoc::Markup::AttrSpan
- RDoc::Markup::AttributeManager
- RDoc::Markup::Attributes
- RDoc::Markup::BlankLine
- RDoc::Markup::BlockQuote
- RDoc::Markup::Document
- RDoc::Markup::Formatter
- RDoc::Markup::FormatterTestCase
- RDoc::Markup::HardBreak
- RDoc::Markup::Include
- RDoc::Markup::IndentedParagraph
- RDoc::Markup::List
- RDoc::Markup::ListItem
- RDoc::Markup::Paragraph
- RDoc::Markup::Parser
- RDoc::Markup::Parser::Error
- RDoc::Markup::Parser::ParseError
- RDoc::Markup::PreProcess
- RDoc::Markup::Raw
- RDoc::Markup::Rule
- RDoc::Markup::Special
- RDoc::Markup::TextFormatterTestCase
- RDoc::Markup::ToAnsi
- RDoc::Markup::ToBs
- RDoc::Markup::ToHtml
- RDoc::Markup::ToHtmlCrossref
- RDoc::Markup::ToHtmlSnippet
- RDoc::Markup::ToJoinedParagraph
- RDoc::Markup::ToLabel
- RDoc::Markup::ToMarkdown
- RDoc::Markup::ToRdoc
- RDoc::Markup::ToTableOfContents
- RDoc::Markup::ToTest
- RDoc::Markup::ToTtOnly
- RDoc::Markup::Verbatim
- RDoc::MetaMethod
- RDoc::MethodAttr
- RDoc::Mixin
- RDoc::NormalClass
- RDoc::NormalModule
- RDoc::Options
- RDoc::Parser
- RDoc::Parser::C
- RDoc::Parser::ChangeLog
- RDoc::Parser::Markdown
- RDoc::Parser::RD
- RDoc::Parser::Ruby
- RDoc::Parser::RubyTools
- RDoc::Parser::Simple
- RDoc::Parser::Text
- RDoc::RD
- RDoc::RD::BlockParser
- RDoc::RD::Inline
- RDoc::RD::InlineParser
- RDoc::RDoc
- RDoc::RI
- RDoc::RI::Driver
- RDoc::RI::Driver::Error
- RDoc::RI::Driver::NotFoundError
- RDoc::RI::Error
- RDoc::RI::Paths
- RDoc::RI::Task
- RDoc::Require
- RDoc::RubyLex
- RDoc::RubyLex::Error
- RDoc::RubyToken
- RDoc::RubygemsHook
- RDoc::Servlet
- RDoc::SingleClass
- RDoc::Stats
- RDoc::Stats::Normal
- RDoc::Stats::Quiet
- RDoc::Stats::Verbose
- RDoc::Store
- RDoc::Store::Error
- RDoc::Store::MissingFileError
- RDoc::Task
- RDoc::TestCase
- RDoc::Text
- RDoc::TokenStream
- RDoc::TomDoc
- RDoc::TopLevel
- RDocTask
- Test

No matching classes.

# RDoc::RDoc

This is the driver for generating RDoc output. It handles file parsing and generation of output.

To use this class to generate RDoc output via the API, the recommended way is:

    rdoc = RDoc::RDoc.new
    options = rdoc.load_options # returns an RDoc::Options instance
    # set extra options
    rdoc.document options

You can also generate output like the `rdoc` executable:

    rdoc = RDoc::RDoc.new
    rdoc.document argv

Where `argv` is an array of strings, each corresponding to an argument you'd give rdoc on the command line. See <tt>rdoc –help<tt> for details.

### Constants

GENERATORS

  This is the list of supported output generators

### Attributes

exclude[RW]

File pattern to exclude

generator[RW]

Generator instance used for creating output

last_modified[R]

Hash of files and their last modified times.

options[RW]

RDoc options

stats[R]

Accessor for statistics. Available after each call to #parse_files

store[R]

The current documentation store

### Public Class Methods

add_generator(klass) click to toggle source

Add `klass` that can generate output after parsing

                   # File rdoc/rdoc.rb, line 70
    def self.add_generator(klass)
      name = klass.name.sub(/^RDoc::Generator::/, '').downcase
      GENERATORS[name] = klass
    end

current() click to toggle source

Active RDoc::RDoc instance

                   # File rdoc/rdoc.rb, line 78
    def self.current
      @current
    end

current=(rdoc) click to toggle source

Sets the active RDoc::RDoc instance

                   # File rdoc/rdoc.rb, line 85
    def self.current= rdoc
      @current = rdoc
    end

new() click to toggle source

Creates a new RDoc::RDoc instance. Call document to parse files and generate documentation.

                   # File rdoc/rdoc.rb, line 93
    def initialize
      @current       = nil
      @exclude       = nil
      @generator     = nil
      @last_modified = {}
      @old_siginfo   = nil
      @options       = nil
      @stats         = nil
      @store         = nil
    end

### Public Instance Methods

document(options) click to toggle source

Generates documentation or a coverage report depending upon the settings in `options`.

`options` can be either an RDoc::Options instance or an array of strings equivalent to the strings that would be passed on the command line like `%w[-q -o doc -t My\ Doc\ Title]`. document will automatically call RDoc::Options#finish if an options instance was given.

For a list of options, see either RDoc::Options or `rdoc --help`.

By default, output will be stored in a directory called “doc” below the current directory, so make sure you're somewhere writable before invoking.

                   # File rdoc/rdoc.rb, line 461
    def document options
      self.store = RDoc::Store.new

      if RDoc::Options === options then
        @options = options
        @options.finish
      else
        @options = load_options
        @options.parse options
      end

      if @options.pipe then
        handle_pipe
        exit
      end

      @exclude = @options.exclude

      unless @options.coverage_report then
        @last_modified = setup_output_dir @options.op_dir, @options.force_update
      end

      @store.encoding = @options.encoding if @options.respond_to? :encoding
      @store.dry_run  = @options.dry_run
      @store.main     = @options.main_page
      @store.title    = @options.title
      @store.path     = @options.op_dir

      @start_time = Time.now

      @store.load_cache

      file_info = parse_files @options.files

      @options.default_title = "RDoc Documentation"

      @store.complete @options.visibility

      @stats.coverage_level = @options.coverage_report

      if @options.coverage_report then
        puts

        puts @stats.report.accept RDoc::Markup::ToRdoc.new
      elsif file_info.empty? then
        $stderr.puts "\nNo newer files." unless @options.quiet
      else
        gen_klass = @options.generator

        @generator = gen_klass.new @store, @options

        generate
      end

      if @stats and (@options.coverage_report or not @options.quiet) then
        puts
        puts @stats.summary.accept RDoc::Markup::ToRdoc.new
      end

      exit @stats.fully_documented? if @options.coverage_report
    end

error(msg) click to toggle source

Report an error message and exit

                   # File rdoc/rdoc.rb, line 107
    def error(msg)
      raise RDoc::Error, msg
    end

gather_files(files) click to toggle source

Gathers a set of parseable files from the files and directories listed in `files`.

                   # File rdoc/rdoc.rb, line 115
    def gather_files files
      files = ["."] if files.empty?

      file_list = normalized_file_list files, true, @exclude

      file_list = file_list.uniq

      file_list = remove_unparseable file_list

      file_list.sort
    end

generate() click to toggle source

Generates documentation for `file_info` (from parse_files) into the output dir using the generator selected by the RDoc options

                   # File rdoc/rdoc.rb, line 528
    def generate
      Dir.chdir @options.op_dir do
        unless @options.quiet then
          $stderr.puts "\nGenerating #{@generator.class.name.sub(/^.*::/, '')} format into #{Dir.pwd}..."
        end

        @generator.generate
        update_output_dir '.', @start_time, @last_modified
      end
    end

handle_pipe() click to toggle source

Turns RDoc from stdin into HTML

                   # File rdoc/rdoc.rb, line 130
    def handle_pipe
      @html = RDoc::Markup::ToHtml.new @options

      parser = RDoc::Text::MARKUP_FORMAT[@options.markup]

      document = parser.parse $stdin.read

      out = @html.convert document

      $stdout.write out
    end

install_siginfo_handler() click to toggle source

Installs a siginfo handler that prints the current filename.

                   # File rdoc/rdoc.rb, line 145
    def install_siginfo_handler
      return unless Signal.list.include? 'INFO'

      @old_siginfo = trap 'INFO' do
        puts @current if @current
      end
    end

list_files_in_directory(dir) click to toggle source

Return a list of the files to be processed in a directory. We know that this directory doesn't have a .document file, so we're looking for real files. However we may well contain subdirectories which must be tested for .document files.

                   # File rdoc/rdoc.rb, line 332
    def list_files_in_directory dir
      files = Dir.glob File.join(dir, "*")

      normalized_file_list files, false, @options.exclude
    end

load_options() click to toggle source

Loads options from .rdoc_options if the file exists, otherwise creates a new RDoc::Options instance.

                   # File rdoc/rdoc.rb, line 157
    def load_options
      options_file = File.expand_path '.rdoc_options'
      return RDoc::Options.new unless File.exist? options_file

      RDoc.load_yaml

      parse_error = if Object.const_defined? :Psych then
                      Psych::SyntaxError
                    else
                      ArgumentError
                    end

      begin
        options = YAML.load_file '.rdoc_options'
      rescue *parse_error
      end

      raise RDoc::Error, "#{options_file} is not a valid rdoc options file" unless
        RDoc::Options === options

      options
    end

normalized_file_list(relative_files, force_doc = false, exclude_pattern = nil) click to toggle source

Given a list of files and directories, create a list of all the Ruby files they contain.

If `force_doc` is true we always add the given files, if false, only add files that we guarantee we can parse. It is true when looking at files given on the command line, false when recursing through subdirectories.

The effect of this is that if you want a file with a non-standard extension parsed, you must name it explicitly.

                   # File rdoc/rdoc.rb, line 287
    def normalized_file_list(relative_files, force_doc = false,
                             exclude_pattern = nil)
      file_list = []

      relative_files.each do |rel_file_name|
        next if rel_file_name.end_with? 'created.rid'
        next if exclude_pattern && exclude_pattern =~ rel_file_name
        stat = File.stat rel_file_name rescue next

        case type = stat.ftype
        when "file" then
          next if last_modified = @last_modified[rel_file_name] and
                  stat.mtime.to_i <= last_modified.to_i

          if force_doc or RDoc::Parser.can_parse(rel_file_name) then
            file_list << rel_file_name.sub(/^\.\//, '')
            @last_modified[rel_file_name] = stat.mtime
          end
        when "directory" then
          next if rel_file_name == "CVS" || rel_file_name == ".svn"

          created_rid = File.join rel_file_name, "created.rid"
          next if File.file? created_rid

          dot_doc = File.join rel_file_name, RDoc::DOT_DOC_FILENAME

          if File.file? dot_doc then
            file_list << parse_dot_doc_file(rel_file_name, dot_doc)
          else
            file_list << list_files_in_directory(rel_file_name)
          end
        else
          warn "rdoc can't parse the #{type} #{rel_file_name}"
        end
      end

      file_list.flatten
    end

output_flag_file(op_dir) click to toggle source

Return the path name of the flag file in an output directory.

                   # File rdoc/rdoc.rb, line 252
    def output_flag_file(op_dir)
      File.join op_dir, "created.rid"
    end

parse_dot_doc_file(in_dir, filename) click to toggle source

The .document file contains a list of file and directory name patterns, representing candidates for documentation. It may also contain comments (starting with '#')

                   # File rdoc/rdoc.rb, line 261
    def parse_dot_doc_file in_dir, filename
      # read and strip comments
      patterns = File.read(filename).gsub(/#.*/, '')

      result = []

      patterns.split.each do |patt|
        candidates = Dir.glob(File.join(in_dir, patt))
        result.concat normalized_file_list(candidates)
      end

      result
    end

parse_file(filename) click to toggle source

Parses `filename` and returns an RDoc::TopLevel

                   # File rdoc/rdoc.rb, line 341
      def parse_file filename
        if Object.const_defined? :Encoding then
          encoding = @options.encoding
          filename = filename.encode encoding
        end

        @stats.add_file filename

        return if RDoc::Parser.binary? filename

        content = RDoc::Encoding.read_file filename, encoding

        return unless content

        filename_path = Pathname(filename).expand_path
        begin
          relative_path = filename_path.relative_path_from @options.root
        rescue ArgumentError
          relative_path = filename_path
        end

        if @options.page_dir and
           relative_path.to_s.start_with? @options.page_dir.to_s then
          relative_path =
            relative_path.relative_path_from @options.page_dir
        end

        top_level = @store.add_file filename, relative_path.to_s

        parser = RDoc::Parser.for top_level, filename, content, @options, @stats

        return unless parser

        parser.scan

        # restart documentation for the classes & modules found
        top_level.classes_or_modules.each do |cm|
          cm.done_documenting = false
        end

        top_level

      rescue Errno::EACCES => e
        $stderr.puts <<-EOF
    Unable to read #{filename}, #{e.message}

    Please check the permissions for this file.  Perhaps you do not have access to
    it or perhaps the original author's permissions are to restrictive.  If the
    this is not your library please report a bug to the author.
        EOF
      rescue => e
        $stderr.puts <<-EOF
    Before reporting this, could you check that the file you're documenting
    has proper syntax:

      #{Gem.ruby} -c #{filename}

    RDoc is not a full Ruby parser and will fail when fed invalid ruby programs.

    The internal error was:

    \t(#{e.class}) #{e.message}

        EOF

        $stderr.puts e.backtrace.join("\n\t") if $DEBUG_RDOC

        raise e
        nil
      end

parse_files(files) click to toggle source

Parse each file on the command line, recursively entering directories.

                   # File rdoc/rdoc.rb, line 415
    def parse_files files
      file_list = gather_files files
      @stats = RDoc::Stats.new @store, file_list.length, @options.verbosity

      return [] if file_list.empty?

      @stats.begin_adding

      file_info = file_list.map do |filename|
        @current = filename
        parse_file filename
      end.compact

      @stats.done_adding

      file_info
    end

remove_siginfo_handler() click to toggle source

Removes a siginfo handler and replaces the previous

                   # File rdoc/rdoc.rb, line 542
    def remove_siginfo_handler
      return unless Signal.list.key? 'INFO'

      handler = @old_siginfo || 'DEFAULT'

      trap 'INFO', handler
    end

remove_unparseable(files) click to toggle source

Removes file extensions known to be unparseable from `files` and TAGS files for emacs and vim.

                   # File rdoc/rdoc.rb, line 437
    def remove_unparseable files
      files.reject do |file|
        file =~ /\.(?:class|eps|erb|scpt\.txt|ttf|yml)$/i or
          (file =~ /tags$/i and
           open(file, 'rb') { |io|
             io.read(100) =~ /\A(\f\n[^,]+,\d+$|!_TAG_)/
           })
      end
    end

setup_output_dir(dir, force) click to toggle source

Create an output dir if it doesn't exist. If it does exist, but doesn't contain the flag file `created.rid` then we refuse to use it, as we may clobber some manually generated documentation

                   # File rdoc/rdoc.rb, line 185
      def setup_output_dir(dir, force)
        flag_file = output_flag_file dir

        last = {}

        if @options.dry_run then
          # do nothing
        elsif File.exist? dir then
          error "#{dir} exists and is not a directory" unless File.directory? dir

          begin
            open flag_file do |io|
              unless force then
                Time.parse io.gets

                io.each do |line|
                  file, time = line.split "\t", 2
                  time = Time.parse(time) rescue next
                  last[file] = time
                end
              end
            end
          rescue SystemCallError, TypeError
            error <<-ERROR

    Directory #{dir} already exists, but it looks like it isn't an RDoc directory.

    Because RDoc doesn't want to risk destroying any of your existing files,
    you'll need to specify a different output directory name (using the --op <dir>
    option)

            ERROR
          end unless @options.force_output
        else
          FileUtils.mkdir_p dir
          FileUtils.touch flag_file
        end

        last
      end

store=(store) click to toggle source

Sets the current documentation tree to `store` and sets the store's rdoc driver to this instance.

                   # File rdoc/rdoc.rb, line 230
    def store= store
      @store = store
      @store.rdoc = self
    end

update_output_dir(op_dir, time, last = {}) click to toggle source

Update the flag file in an output directory.

                   # File rdoc/rdoc.rb, line 238
    def update_output_dir(op_dir, time, last = {})
      return if @options.dry_run or not @options.update_output_dir

      open output_flag_file(op_dir), "w" do |f|
        f.puts time.rfc2822
        last.each do |n, t|
          f.puts "#{n}\t#{t.rfc2822}"
        end
      end
    end