Current File : //proc/thread-self/root/proc/thread-self/root/opt/alt/ruby21/lib64/ruby/2.1.0/rdoc/options.rb
require 'optparse'
require 'pathname'
##
# RDoc::Options handles the parsing and storage of options
#
# == Saved Options
#
# You can save some options like the markup format in the
# <tt>.rdoc_options</tt> file in your gem. The easiest way to do this is:
#
# rdoc --markup tomdoc --write-options
#
# Which will automatically create the file and fill it with the options you
# specified.
#
# The following options will not be saved since they interfere with the user's
# preferences or with the normal operation of RDoc:
#
# * +--coverage-report+
# * +--dry-run+
# * +--encoding+
# * +--force-update+
# * +--format+
# * +--pipe+
# * +--quiet+
# * +--template+
# * +--verbose+
#
# == Custom Options
#
# Generators can hook into RDoc::Options to add generator-specific command
# line options.
#
# When <tt>--format</tt> is encountered in ARGV, RDoc calls ::setup_options on
# the generator class to add extra options to the option parser. Options for
# custom generators must occur after <tt>--format</tt>. <tt>rdoc --help</tt>
# will list options for all installed generators.
#
# Example:
#
# class RDoc::Generator::Spellcheck
# RDoc::RDoc.add_generator self
#
# def self.setup_options rdoc_options
# op = rdoc_options.option_parser
#
# op.on('--spell-dictionary DICTIONARY',
# RDoc::Options::Path) do |dictionary|
# rdoc_options.spell_dictionary = dictionary
# end
# end
# end
#
# Of course, RDoc::Options does not respond to +spell_dictionary+ by default
# so you will need to add it:
#
# class RDoc::Options
#
# ##
# # The spell dictionary used by the spell-checking plugin.
#
# attr_accessor :spell_dictionary
#
# end
#
# == Option Validators
#
# OptionParser validators will validate and cast user input values. In
# addition to the validators that ship with OptionParser (String, Integer,
# Float, TrueClass, FalseClass, Array, Regexp, Date, Time, URI, etc.),
# RDoc::Options adds Path, PathArray and Template.
class RDoc::Options
##
# The deprecated options.
DEPRECATED = {
'--accessor' => 'support discontinued',
'--diagram' => 'support discontinued',
'--help-output' => 'support discontinued',
'--image-format' => 'was an option for --diagram',
'--inline-source' => 'source code is now always inlined',
'--merge' => 'ri now always merges class information',
'--one-file' => 'support discontinued',
'--op-name' => 'support discontinued',
'--opname' => 'support discontinued',
'--promiscuous' => 'files always only document their content',
'--ri-system' => 'Ruby installers use other techniques',
}
##
# RDoc options ignored (or handled specially) by --write-options
SPECIAL = %w[
coverage_report
dry_run
encoding
files
force_output
force_update
generator
generator_name
generator_options
generators
op_dir
option_parser
pipe
rdoc_include
root
static_path
stylesheet_url
template
template_dir
update_output_dir
verbosity
write_options
]
##
# Option validator for OptionParser that matches a directory that exists on
# the filesystem.
Directory = Object.new
##
# Option validator for OptionParser that matches a file or directory that
# exists on the filesystem.
Path = Object.new
##
# Option validator for OptionParser that matches a comma-separated list of
# files or directories that exist on the filesystem.
PathArray = Object.new
##
# Option validator for OptionParser that matches a template directory for an
# installed generator that lives in
# <tt>"rdoc/generator/template/#{template_name}"</tt>
Template = Object.new
##
# Character-set for HTML output. #encoding is preferred over #charset
attr_accessor :charset
##
# If true, RDoc will not write any files.
attr_accessor :dry_run
##
# The output encoding. All input files will be transcoded to this encoding.
#
# The default encoding is UTF-8. This is set via --encoding.
attr_accessor :encoding
##
# Files matching this pattern will be excluded
attr_accessor :exclude
##
# The list of files to be processed
attr_accessor :files
##
# Create the output even if the output directory does not look
# like an rdoc output directory
attr_accessor :force_output
##
# Scan newer sources than the flag file if true.
attr_accessor :force_update
##
# Formatter to mark up text with
attr_accessor :formatter
##
# Description of the output generator (set with the <tt>--format</tt> option)
attr_accessor :generator
##
# For #==
attr_reader :generator_name # :nodoc:
##
# Loaded generator options. Used to prevent --help from loading the same
# options multiple times.
attr_accessor :generator_options
##
# Old rdoc behavior: hyperlink all words that match a method name,
# even if not preceded by '#' or '::'
attr_accessor :hyperlink_all
##
# Include line numbers in the source code
attr_accessor :line_numbers
##
# Name of the file, class or module to display in the initial index page (if
# not specified the first file we encounter is used)
attr_accessor :main_page
##
# The default markup format. The default is 'rdoc'. 'markdown', 'tomdoc'
# and 'rd' are also built-in.
attr_accessor :markup
##
# If true, only report on undocumented files
attr_accessor :coverage_report
##
# The name of the output directory
attr_accessor :op_dir
##
# The OptionParser for this instance
attr_accessor :option_parser
##
# Output heading decorations?
attr_accessor :output_decoration
##
# Directory where guides, FAQ, and other pages not associated with a class
# live. You may leave this unset if these are at the root of your project.
attr_accessor :page_dir
##
# Is RDoc in pipe mode?
attr_accessor :pipe
##
# Array of directories to search for files to satisfy an :include:
attr_accessor :rdoc_include
##
# Root of the source documentation will be generated for. Set this when
# building documentation outside the source directory. Defaults to the
# current directory.
attr_accessor :root
##
# Include the '#' at the front of hyperlinked instance method names
attr_accessor :show_hash
##
# Directory to copy static files from
attr_accessor :static_path
##
# The number of columns in a tab
attr_accessor :tab_width
##
# Template to be used when generating output
attr_accessor :template
##
# Directory the template lives in
attr_accessor :template_dir
##
# Additional template stylesheets
attr_accessor :template_stylesheets
##
# Documentation title
attr_accessor :title
##
# Should RDoc update the timestamps in the output dir?
attr_accessor :update_output_dir
##
# Verbosity, zero means quiet
attr_accessor :verbosity
##
# URL of web cvs frontend
attr_accessor :webcvs
##
# Minimum visibility of a documented method. One of +:public+, +:protected+,
# +:private+ or +:nodoc+.
#
# The +:nodoc+ visibility ignores all directives related to visibility. The
# other visibilities may be overridden on a per-method basis with the :doc:
# directive.
attr_accessor :visibility
def initialize # :nodoc:
init_ivars
end
def init_ivars # :nodoc:
@dry_run = false
@exclude = []
@files = nil
@force_output = false
@force_update = true
@generator = nil
@generator_name = nil
@generator_options = []
@generators = RDoc::RDoc::GENERATORS
@hyperlink_all = false
@line_numbers = false
@main_page = nil
@markup = 'rdoc'
@coverage_report = false
@op_dir = nil
@page_dir = nil
@pipe = false
@output_decoration = true
@rdoc_include = []
@root = Pathname(Dir.pwd)
@show_hash = false
@static_path = []
@stylesheet_url = nil # TODO remove in RDoc 4
@tab_width = 8
@template = nil
@template_dir = nil
@template_stylesheets = []
@title = nil
@update_output_dir = true
@verbosity = 1
@visibility = :protected
@webcvs = nil
@write_options = false
if Object.const_defined? :Encoding then
@encoding = Encoding::UTF_8
@charset = @encoding.name
else
@encoding = nil
@charset = 'UTF-8'
end
end
def init_with map # :nodoc:
init_ivars
encoding = map['encoding']
@encoding = if Object.const_defined? :Encoding then
encoding ? Encoding.find(encoding) : encoding
end
@charset = map['charset']
@exclude = map['exclude']
@generator_name = map['generator_name']
@hyperlink_all = map['hyperlink_all']
@line_numbers = map['line_numbers']
@main_page = map['main_page']
@markup = map['markup']
@op_dir = map['op_dir']
@show_hash = map['show_hash']
@tab_width = map['tab_width']
@template_dir = map['template_dir']
@title = map['title']
@visibility = map['visibility']
@webcvs = map['webcvs']
@rdoc_include = sanitize_path map['rdoc_include']
@static_path = sanitize_path map['static_path']
end
def yaml_initialize tag, map # :nodoc:
init_with map
end
def == other # :nodoc:
self.class === other and
@encoding == other.encoding and
@generator_name == other.generator_name and
@hyperlink_all == other.hyperlink_all and
@line_numbers == other.line_numbers and
@main_page == other.main_page and
@markup == other.markup and
@op_dir == other.op_dir and
@rdoc_include == other.rdoc_include and
@show_hash == other.show_hash and
@static_path == other.static_path and
@tab_width == other.tab_width and
@template == other.template and
@title == other.title and
@visibility == other.visibility and
@webcvs == other.webcvs
end
##
# Check that the files on the command line exist
def check_files
@files.delete_if do |file|
if File.exist? file then
if File.readable? file then
false
else
warn "file '#{file}' not readable"
true
end
else
warn "file '#{file}' not found"
true
end
end
end
##
# Ensure only one generator is loaded
def check_generator
if @generator then
raise OptionParser::InvalidOption,
"generator already set to #{@generator_name}"
end
end
##
# Set the title, but only if not already set. Used to set the title
# from a source file, so that a title set from the command line
# will have the priority.
def default_title=(string)
@title ||= string
end
##
# For dumping YAML
def encode_with coder # :nodoc:
encoding = @encoding ? @encoding.name : nil
coder.add 'encoding', encoding
coder.add 'static_path', sanitize_path(@static_path)
coder.add 'rdoc_include', sanitize_path(@rdoc_include)
ivars = instance_variables.map { |ivar| ivar.to_s[1..-1] }
ivars -= SPECIAL
ivars.sort.each do |ivar|
coder.add ivar, instance_variable_get("@#{ivar}")
end
end
##
# Completes any unfinished option setup business such as filtering for
# existent files, creating a regexp for #exclude and setting a default
# #template.
def finish
@op_dir ||= 'doc'
@rdoc_include << "." if @rdoc_include.empty?
root = @root.to_s
@rdoc_include << root unless @rdoc_include.include?(root)
if @exclude.nil? or Regexp === @exclude then
# done, #finish is being re-run
elsif @exclude.empty? then
@exclude = nil
else
@exclude = Regexp.new(@exclude.join("|"))
end
finish_page_dir
check_files
# If no template was specified, use the default template for the output
# formatter
unless @template then
@template = @generator_name
@template_dir = template_dir_for @template
end
self
end
##
# Fixes the page_dir to be relative to the root_dir and adds the page_dir to
# the files list.
def finish_page_dir
return unless @page_dir
@files << @page_dir.to_s
page_dir = @page_dir.expand_path.relative_path_from @root
@page_dir = page_dir
end
##
# Returns a properly-space list of generators and their descriptions.
def generator_descriptions
lengths = []
generators = RDoc::RDoc::GENERATORS.map do |name, generator|
lengths << name.length
description = generator::DESCRIPTION if
generator.const_defined? :DESCRIPTION
[name, description]
end
longest = lengths.max
generators.sort.map do |name, description|
if description then
" %-*s - %s" % [longest, name, description]
else
" #{name}"
end
end.join "\n"
end
##
# Parses command line options.
def parse argv
ignore_invalid = true
argv.insert(0, *ENV['RDOCOPT'].split) if ENV['RDOCOPT']
opts = OptionParser.new do |opt|
@option_parser = opt
opt.program_name = File.basename $0
opt.version = RDoc::VERSION
opt.release = nil
opt.summary_indent = ' ' * 4
opt.banner = <<-EOF
Usage: #{opt.program_name} [options] [names...]
Files are parsed, and the information they contain collected, before any
output is produced. This allows cross references between all files to be
resolved. If a name is a directory, it is traversed. If no names are
specified, all Ruby files in the current directory (and subdirectories) are
processed.
How RDoc generates output depends on the output formatter being used, and on
the options you give.
Options can be specified via the RDOCOPT environment variable, which
functions similar to the RUBYOPT environment variable for ruby.
$ export RDOCOPT="--show-hash"
will make rdoc show hashes in method links by default. Command-line options
always will override those in RDOCOPT.
Available formatters:
#{generator_descriptions}
RDoc understands the following file formats:
EOF
parsers = Hash.new { |h,parser| h[parser] = [] }
RDoc::Parser.parsers.each do |regexp, parser|
parsers[parser.name.sub('RDoc::Parser::', '')] << regexp.source
end
parsers.sort.each do |parser, regexp|
opt.banner << " - #{parser}: #{regexp.join ', '}\n"
end
opt.banner << " - TomDoc: Only in ruby files\n"
opt.banner << "\n The following options are deprecated:\n\n"
name_length = DEPRECATED.keys.sort_by { |k| k.length }.last.length
DEPRECATED.sort_by { |k,| k }.each do |name, reason|
opt.banner << " %*1$2$s %3$s\n" % [-name_length, name, reason]
end
opt.accept Template do |template|
template_dir = template_dir_for template
unless template_dir then
$stderr.puts "could not find template #{template}"
nil
else
[template, template_dir]
end
end
opt.accept Directory do |directory|
directory = File.expand_path directory
raise OptionParser::InvalidArgument unless File.directory? directory
directory
end
opt.accept Path do |path|
path = File.expand_path path
raise OptionParser::InvalidArgument unless File.exist? path
path
end
opt.accept PathArray do |paths,|
paths = if paths then
paths.split(',').map { |d| d unless d.empty? }
end
paths.map do |path|
path = File.expand_path path
raise OptionParser::InvalidArgument unless File.exist? path
path
end
end
opt.separator nil
opt.separator "Parsing options:"
opt.separator nil
if Object.const_defined? :Encoding then
opt.on("--encoding=ENCODING", "-e", Encoding.list.map { |e| e.name },
"Specifies the output encoding. All files",
"read will be converted to this encoding.",
"The default encoding is UTF-8.",
"--encoding is preferred over --charset") do |value|
@encoding = Encoding.find value
@charset = @encoding.name # may not be valid value
end
opt.separator nil
end
opt.on("--all", "-a",
"Synonym for --visibility=private.") do |value|
@visibility = :private
end
opt.separator nil
opt.on("--exclude=PATTERN", "-x", Regexp,
"Do not process files or directories",
"matching PATTERN.") do |value|
@exclude << value
end
opt.separator nil
opt.on("--extension=NEW=OLD", "-E",
"Treat files ending with .new as if they",
"ended with .old. Using '-E cgi=rb' will",
"cause xxx.cgi to be parsed as a Ruby file.") do |value|
new, old = value.split(/=/, 2)
unless new and old then
raise OptionParser::InvalidArgument, "Invalid parameter to '-E'"
end
unless RDoc::Parser.alias_extension old, new then
raise OptionParser::InvalidArgument, "Unknown extension .#{old} to -E"
end
end
opt.separator nil
opt.on("--[no-]force-update", "-U",
"Forces rdoc to scan all sources even if",
"newer than the flag file.") do |value|
@force_update = value
end
opt.separator nil
opt.on("--pipe", "-p",
"Convert RDoc on stdin to HTML") do
@pipe = true
end
opt.separator nil
opt.on("--tab-width=WIDTH", "-w", Integer,
"Set the width of tab characters.") do |value|
raise OptionParser::InvalidArgument,
"#{value} is an invalid tab width" if value <= 0
@tab_width = value
end
opt.separator nil
opt.on("--visibility=VISIBILITY", "-V", RDoc::VISIBILITIES + [:nodoc],
"Minimum visibility to document a method.",
"One of 'public', 'protected' (the default),",
"'private' or 'nodoc' (show everything)") do |value|
@visibility = value
end
opt.separator nil
markup_formats = RDoc::Text::MARKUP_FORMAT.keys.sort
opt.on("--markup=MARKUP", markup_formats,
"The markup format for the named files.",
"The default is rdoc. Valid values are:",
markup_formats.join(', ')) do |value|
@markup = value
end
opt.separator nil
opt.on("--root=ROOT", Directory,
"Root of the source tree documentation",
"will be generated for. Set this when",
"building documentation outside the",
"source directory. Default is the",
"current directory.") do |root|
@root = Pathname(root)
end
opt.separator nil
opt.on("--page-dir=DIR", Directory,
"Directory where guides, your FAQ or",
"other pages not associated with a class",
"live. Set this when you don't store",
"such files at your project root.",
"NOTE: Do not use the same file name in",
"the page dir and the root of your project") do |page_dir|
@page_dir = Pathname(page_dir)
end
opt.separator nil
opt.separator "Common generator options:"
opt.separator nil
opt.on("--force-output", "-O",
"Forces rdoc to write the output files,",
"even if the output directory exists",
"and does not seem to have been created",
"by rdoc.") do |value|
@force_output = value
end
opt.separator nil
generator_text = @generators.keys.map { |name| " #{name}" }.sort
opt.on("-f", "--fmt=FORMAT", "--format=FORMAT", @generators.keys,
"Set the output formatter. One of:", *generator_text) do |value|
check_generator
@generator_name = value.downcase
setup_generator
end
opt.separator nil
opt.on("--include=DIRECTORIES", "-i", PathArray,
"Set (or add to) the list of directories to",
"be searched when satisfying :include:",
"requests. Can be used more than once.") do |value|
@rdoc_include.concat value.map { |dir| dir.strip }
end
opt.separator nil
opt.on("--[no-]coverage-report=[LEVEL]", "--[no-]dcov", "-C", Integer,
"Prints a report on undocumented items.",
"Does not generate files.") do |value|
value = 0 if value.nil? # Integer converts -C to nil
@coverage_report = value
@force_update = true if value
end
opt.separator nil
opt.on("--output=DIR", "--op", "-o",
"Set the output directory.") do |value|
@op_dir = value
end
opt.separator nil
opt.on("-d",
"Deprecated --diagram option.",
"Prevents firing debug mode",
"with legacy invocation.") do |value|
end
opt.separator nil
opt.separator 'HTML generator options:'
opt.separator nil
opt.on("--charset=CHARSET", "-c",
"Specifies the output HTML character-set.",
"Use --encoding instead of --charset if",
"available.") do |value|
@charset = value
end
opt.separator nil
opt.on("--hyperlink-all", "-A",
"Generate hyperlinks for all words that",
"correspond to known methods, even if they",
"do not start with '#' or '::' (legacy",
"behavior).") do |value|
@hyperlink_all = value
end
opt.separator nil
opt.on("--main=NAME", "-m",
"NAME will be the initial page displayed.") do |value|
@main_page = value
end
opt.separator nil
opt.on("--[no-]line-numbers", "-N",
"Include line numbers in the source code.",
"By default, only the number of the first",
"line is displayed, in a leading comment.") do |value|
@line_numbers = value
end
opt.separator nil
opt.on("--show-hash", "-H",
"A name of the form #name in a comment is a",
"possible hyperlink to an instance method",
"name. When displayed, the '#' is removed",
"unless this option is specified.") do |value|
@show_hash = value
end
opt.separator nil
opt.on("--template=NAME", "-T", Template,
"Set the template used when generating",
"output. The default depends on the",
"formatter used.") do |(template, template_dir)|
@template = template
@template_dir = template_dir
end
opt.separator nil
opt.on("--template-stylesheets=FILES", PathArray,
"Set (or add to) the list of files to",
"include with the html template.") do |value|
@template_stylesheets << value
end
opt.separator nil
opt.on("--title=TITLE", "-t",
"Set TITLE as the title for HTML output.") do |value|
@title = value
end
opt.separator nil
opt.on("--copy-files=PATH", Path,
"Specify a file or directory to copy static",
"files from.",
"If a file is given it will be copied into",
"the output dir. If a directory is given the",
"entire directory will be copied.",
"You can use this multiple times") do |value|
@static_path << value
end
opt.separator nil
opt.on("--webcvs=URL", "-W",
"Specify a URL for linking to a web frontend",
"to CVS. If the URL contains a '\%s', the",
"name of the current file will be",
"substituted; if the URL doesn't contain a",
"'\%s', the filename will be appended to it.") do |value|
@webcvs = value
end
opt.separator nil
opt.separator "ri generator options:"
opt.separator nil
opt.on("--ri", "-r",
"Generate output for use by `ri`. The files",
"are stored in the '.rdoc' directory under",
"your home directory unless overridden by a",
"subsequent --op parameter, so no special",
"privileges are needed.") do |value|
check_generator
@generator_name = "ri"
@op_dir ||= RDoc::RI::Paths::HOMEDIR
setup_generator
end
opt.separator nil
opt.on("--ri-site", "-R",
"Generate output for use by `ri`. The files",
"are stored in a site-wide directory,",
"making them accessible to others, so",
"special privileges are needed.") do |value|
check_generator
@generator_name = "ri"
@op_dir = RDoc::RI::Paths.site_dir
setup_generator
end
opt.separator nil
opt.separator "Generic options:"
opt.separator nil
opt.on("--write-options",
"Write .rdoc_options to the current",
"directory with the given options. Not all",
"options will be used. See RDoc::Options",
"for details.") do |value|
@write_options = true
end
opt.separator nil
opt.on("--[no-]dry-run",
"Don't write any files") do |value|
@dry_run = value
end
opt.separator nil
opt.on("-D", "--[no-]debug",
"Displays lots on internal stuff.") do |value|
$DEBUG_RDOC = value
end
opt.separator nil
opt.on("--[no-]ignore-invalid",
"Ignore invalid options and continue",
"(default true).") do |value|
ignore_invalid = value
end
opt.separator nil
opt.on("--quiet", "-q",
"Don't show progress as we parse.") do |value|
@verbosity = 0
end
opt.separator nil
opt.on("--verbose", "-V",
"Display extra progress as RDoc parses") do |value|
@verbosity = 2
end
opt.separator nil
opt.on("--version", "-v", "print the version") do
puts opt.version
exit
end
opt.separator nil
opt.on("--help",
"Display this help") do
RDoc::RDoc::GENERATORS.each_key do |generator|
setup_generator generator
end
puts opt.help
exit
end
opt.separator nil
end
setup_generator 'darkfish' if
argv.grep(/\A(-f|--fmt|--format|-r|-R|--ri|--ri-site)\b/).empty?
deprecated = []
invalid = []
begin
opts.parse! argv
rescue OptionParser::ParseError => e
if DEPRECATED[e.args.first] then
deprecated << e.args.first
elsif %w[--format --ri -r --ri-site -R].include? e.args.first then
raise
else
invalid << e.args.join(' ')
end
retry
end
unless @generator then
@generator = RDoc::Generator::Darkfish
@generator_name = 'darkfish'
end
if @pipe and not argv.empty? then
@pipe = false
invalid << '-p (with files)'
end
unless quiet then
deprecated.each do |opt|
$stderr.puts 'option ' << opt << ' is deprecated: ' << DEPRECATED[opt]
end
end
unless invalid.empty? then
invalid = "invalid options: #{invalid.join ', '}"
if ignore_invalid then
unless quiet then
$stderr.puts invalid
$stderr.puts '(invalid options are ignored)'
end
else
unless quiet then
$stderr.puts opts
end
$stderr.puts invalid
exit 1
end
end
@files = argv.dup
finish
if @write_options then
write_options
exit
end
self
end
##
# Don't display progress as we process the files
def quiet
@verbosity.zero?
end
##
# Set quietness to +bool+
def quiet= bool
@verbosity = bool ? 0 : 1
end
##
# Removes directories from +path+ that are outside the current directory
def sanitize_path path
require 'pathname'
dot = Pathname.new('.').expand_path
path.reject do |item|
path = Pathname.new(item).expand_path
relative = path.relative_path_from(dot).to_s
relative.start_with? '..'
end
end
##
# Set up an output generator for the named +generator_name+.
#
# If the found generator responds to :setup_options it will be called with
# the options instance. This allows generators to add custom options or set
# default options.
def setup_generator generator_name = @generator_name
@generator = @generators[generator_name]
unless @generator then
raise OptionParser::InvalidArgument,
"Invalid output formatter #{generator_name}"
end
return if @generator_options.include? @generator
@generator_name = generator_name
@generator_options << @generator
if @generator.respond_to? :setup_options then
@option_parser ||= OptionParser.new
@generator.setup_options self
end
end
##
# Finds the template dir for +template+
def template_dir_for template
template_path = File.join 'rdoc', 'generator', 'template', template
$LOAD_PATH.map do |path|
File.join File.expand_path(path), template_path
end.find do |dir|
File.directory? dir
end
end
##
# This is compatibility code for syck
def to_yaml opts = {} # :nodoc:
return super if YAML.const_defined?(:ENGINE) and not YAML::ENGINE.syck?
YAML.quick_emit self, opts do |out|
out.map taguri, to_yaml_style do |map|
encode_with map
end
end
end
##
# Displays a warning using Kernel#warn if we're being verbose
def warn message
super message if @verbosity > 1
end
##
# Writes the YAML file .rdoc_options to the current directory containing the
# parsed options.
def write_options
RDoc.load_yaml
open '.rdoc_options', 'w' do |io|
io.set_encoding Encoding::UTF_8 if Object.const_defined? :Encoding
YAML.dump self, io
end
end
end
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