ruby/ext/iconv/charset_alias.rb

37 строки
910 B
Ruby

#! /usr/bin/ruby
require 'rbconfig'
# http://www.ctan.org/tex-archive/macros/texinfo/texinfo/intl/config.charset'
# Fri, 30 May 2003 00:09:00 GMT'
OS = Config::CONFIG["target"]
SHELL = Config::CONFIG['SHELL']
def charset_alias(config_charset, mapfile)
map = {}
comments = []
IO.foreach("|#{SHELL} #{config_charset} #{OS}") do |list|
next comments << list if /^\#/ =~ list
next unless /^(\S+)\s+(\S+)$/ =~ list
sys, can = $1, $2
next if sys == can
next if can.downcase! and sys == can
map[can] = sys
end
case OS
when /linux|-gnu/
map.delete('ascii')
end
open(mapfile, "w") do |f|
f.puts("require 'iconv.so'")
f.puts
f.puts(comments)
f.puts("class Iconv")
map.each {|can, sys| f.puts(" charset_map['#{can}'.freeze] = '#{sys}'.freeze")}
f.puts("end")
end
end
ARGV.size == 2 or abort "usage: #$0 config.status map.rb"
charset_alias(*ARGV)