/usr/bin/rd2 is in rdtool 0.6.22-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# -*- coding: ASCII-8BIT -*-
=begin
= NAME
rd2 - converter from RD to other mark-up language.
= SYNOPSIS
rd2 [-r <visitor>] [options] <file>
= DESCRIPTION
rd2 inputs from ((|<file>|)) and outputs into (({STDOUT})). you can
choose ((|<visitor>|)) to select output format. For example, use
"rd/rd2html-lib.rb" to translate it into HTML, and "rd/rd2man-lib.rb"
to tranlate it into roff with man macros.
= OPTIONS
please read output of
% rd2 --help
and
% rd2 -r rd/rd2html-lib.rb --help
= FILES
* ~/.rd2rc - User configration file.
= SEE ALSO
ruby(1)
=end
require "kconv"
require "optparse"
require "rd/rdfmt"
require "rd/visitor"
require "rd/version"
module Kconv
NAME2CONST = {
"iso-2022-jp" => Kconv::JIS,
"euc-jp" => Kconv::EUC,
"shift_jis" => Kconv::SJIS,
}
NAME_ALIAS = {
'jis' => 'iso-2022-jp',
'euc' => 'euc-jp',
'sjis' => 'shift_jis',
'shift-jis' => 'shift_jis',
}
if defined?(Kconv::UTF8)
NAME2CONST['utf-8'] = Kconv::UTF8
NAME_ALIAS['utf8'] = 'utf-8'
end
end
include RD
SYSTEM_NAME = "RDtool -- rd2"
SYSTEM_VERSION = "$Version: 0.6.21$" #"
RD2_VERSION = Version.new_from_version_string(SYSTEM_NAME, SYSTEM_VERSION)
# global vars
$Visitor_Class = nil
$Visitor = nil
$RD2_Sub_OptionParser = nil
# local vars
include_path = []
with_part = []
output_file = nil
output_index = nil
out_code = nil
from_rdo = nil
# user option
$DEFAULT_FORMAT_LIB = "rd/rd2html-lib"
$RC = {}
$RC["filter"] = Hash.new(RD::INCLUDE_FILTER)
begin
if test(?r, File.expand_path("~/.rd2rc"))
load "~/.rd2rc"
# STDERR << "#{$0}: loading ~/.rd2rc\n"
else
load "rd/dot.rd2rc"
# STDERR << "#{$0}: loading rd/dot.rd2rc\n"
end
rescue
load "rd/dot.rd2rc"
end
# initialize OptionParser
ARGV.options do |q|
q.banner = "Usage: #{$0} [options] rd-file > output\n"
q.on_head("global options:")
q.on("-rLIB", "--require=LIB",
String,
"choose format library.") do |i|
# require LIB
require i
if $Visitor_Class && !$Visitor
$Visitor = $Visitor_Class.new()
if $RD2_Sub_OptionParser
require $RD2_Sub_OptionParser
$RD2_Sub_OptionParser = nil
end
end
end
q.on("-oNAME",
String,
"indicate base name of output file") do |i|
output_file = i
end
q.on("--out-code=KCODE",
Kconv::NAME2CONST.keys, Kconv::NAME_ALIAS,
"character encoding of output.(jis|euc|sjis|utf8)") do |i|
out_code = i
end
q.on("--output-index",
"output method index file (*.rmi)") do |i|
output_index = true
end
q.on("-IPATH", "--include-path=PATH",
String,
"add PATH to list of include path") do |i|
# add to include path
include_path.unshift(i)
end
# accept "PART:FILTER" and "PART"
q.on("--with-part=PART",
/(\w+)(?:\s*:\s*(\w+))?/,
"include PART with Filter") do |src, part, filter|
with_part.push([part, filter || part])
unless include_path.index(RD::RDTree.tmp_dir)
include_path.push(RD::RDTree.tmp_dir)
end
end
q.on("--from-rdo",
"load from *.rdo instead of *.rd") do
from_rdo = true
end
q.on("--version",
"print versions.") do
STDERR.puts RD2_VERSION
STDERR.puts Tree::version
STDERR.puts Visitor::version
STDERR.puts $Visitor_Class.version if $Visitor_Class
exit(0)
end
q.on_tail("--help",
"print this message") do
STDERR.print(q.to_s)
exit(0)
end
end # OptionParser.new
# require format lib implicitly
if /rd2.+/ =~ File.basename($0, ".*").downcase
visitor_lib = "rd/" + $& + "-lib.rb"
require visitor_lib
require $RD2_Sub_OptionParser if $RD2_Sub_OptionParser
# make visitor
$Visitor = $Visitor_Class.new()
end
begin
ARGV.parse!
rescue
STDERR.print("Error: " + $!.inspect + "\n")
STDERR.print(ARGV.options.to_s)
exit(1)
end
unless $Visitor_Class
require $DEFAULT_FORMAT_LIB
$Visitor = $Visitor_Class.new
end
# make tree (but not parsed yet)
if from_rdo
rdos = []
ARGV.each do |path|
rdos.push(File.open(path))
dirname = File.dirname(path)
include_path.push(dirname, dirname + "/include")
end
tree = RDTree.new_from_rdo(*rdos)
tree.include_path = include_path
else
# input from ARGF
src = readlines
if src.find{|i| /\S/ === i } and !src.find{|i| /^=begin\b/ === i }
src.unshift("=begin\n").push("=end\n")
end
# set Include_Path
if ARGF.filename
dir = File.dirname(ARGF.filename)
else
dir = "."
end
include_path.push(dir)
include_path.push(dir + "/include")
tree = RDTree.new(src, include_path, nil)
# filter set tree.filter
with_part.each do |i|
tree.filter[i[0]] = $RC["filter"][i[1]]
end
# parse
begin
tree.parse
rescue Racc::ParseError
STDERR.puts($!.message)
exit(10)
end
end
# filter: set visitor.include_suffix
with_part.each do |i|
$Visitor.include_suffix.push(i[0])
end
# file base name setup
$Visitor.filename = output_file if output_file
# character encoding
if out_code
begin
$Visitor.charcode = out_code
$Visitor.lang = "ja"
rescue NameError
end
end
# output
out = $Visitor.visit(tree)
# character encoding convert
out = Kconv.kconv(out, Kconv::NAME2CONST[out_code], Kconv::AUTO) if out_code
if output_file
filename = output_file + "." + $Visitor.class::OUTPUT_SUFFIX
file = open(filename, "w")
file.print(out)
file.close
STDERR.print("#{$0}: output to #{filename}...\n")
else
print(out)
end
# RMI
if output_index
if output_file
require "rd/rd2rmi-lib"
rmivisitor = RD2RMIVisitor.new
rmivisitor.filename = output_file
rmi = rmivisitor.visit(tree)
filename = output_file + ".rmi"
file = open(filename, "w")
file.print(rmi)
file.close
STDERR.print("#{$0}: output to #{filename}...\n")
else
raise %Q[Error: option "--output-index" must be used with option "-oNAME"]
end
end
# filter: remove tmp file
Dir.glob("#{RD::RDTree.tmp_dir}/rdtmp.#{$$}.*.*").each do |i|
File.delete(i)
end
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