diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
commit | 0dc342de848a642ecce8db697b8fecd83a63e117 (patch) | |
tree | 2b7ed4724aff1f86073e4740134bda9c4aac1a39 /trunk/ext/iconv/charset_alias.rb | |
parent | ef70cf7138ab8034b5b806f466e4b484b24f0f88 (diff) |
added tag v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/ext/iconv/charset_alias.rb')
-rw-r--r-- | trunk/ext/iconv/charset_alias.rb | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/trunk/ext/iconv/charset_alias.rb b/trunk/ext/iconv/charset_alias.rb new file mode 100644 index 0000000000..d4ed9139c8 --- /dev/null +++ b/trunk/ext/iconv/charset_alias.rb @@ -0,0 +1,103 @@ +#! /usr/bin/ruby +# :stopdoc: +require 'rbconfig' +require 'optparse' + +# http://www.ctan.org/tex-archive/macros/texinfo/texinfo/intl/config.charset +# Fri, 30 May 2003 00:09:00 GMT' + +OS = RbConfig::CONFIG["target_os"] +SHELL = RbConfig::CONFIG['SHELL'] + +class Hash::Ordered < Hash + def [](key) + val = super and val.last + end + def []=(key, val) + ary = fetch(key) {return super(key, [self.size, key, val])} and + ary << val + end + def sort + values.sort.collect {|i, *rest| rest} + end + def each(&block) + sort.each(&block) + end +end + +def charset_alias(config_charset, mapfile, target = OS) + map = Hash::Ordered.new + comments = [] + open(config_charset) do |input| + input.find {|line| /^case "\$os" in/ =~ line} or break + input.find {|line| + /^\s*([-\w\*]+(?:\s*\|\s*[-\w\*]+)*)(?=\))/ =~ line and + $&.split('|').any? {|pattern| File.fnmatch?(pattern.strip, target)} + } or break + input.find do |line| + case line + when /^\s*echo "(?:\$\w+\.)?([-\w*]+)\s+([-\w]+)"/ + sys, can = $1, $2 + can.downcase! + map[can] = sys + false + when /^\s*;;/ + true + else + false + end + end + end + case target + when /linux|-gnu/ + # map.delete('ascii') + when /cygwin|os2-emx/ + # get rid of tilde/yen problem. + map['shift_jis'] = 'cp932' + end + st = Hash.new(0) + map = map.sort.collect do |can, *sys| + if sys.grep(/^en_us(?=.|$)/i) {break true} == true + noen = %r"^(?!en_us)\w+_\w+#{Regexp.new($')}$"i #" + sys.reject! {|s| noen =~ s} + end + sys = sys.first + st[sys] += 1 + [can, sys] + end + st.delete_if {|sys, i| i == 1}.empty? + st.keys.each {|sys| st[sys] = nil} + st.default = nil + writer = proc do |f| + f.puts("require 'iconv.so'") + f.puts + f.puts(comments) + f.puts("class Iconv") + i = 0 + map.each do |can, sys| + if s = st[sys] + sys = s + elsif st.key?(sys) + sys = (st[sys] = "sys#{i+=1}") + " = '#{sys}'.freeze" + else + sys = "'#{sys}'.freeze" + end + f.puts(" charset_map['#{can}'] = #{sys}") + end + f.puts("end") + end + if mapfile + open(mapfile, "w", &writer) + else + writer[STDOUT] + end +end + +target = OS +opt = nil +ARGV.options do |opt| + opt.banner << " config.status map.rb" + opt.on("--target OS") {|t| target = t} + opt.parse! and (1..2) === ARGV.size +end or abort opt.to_s +charset_alias(ARGV[0], ARGV[1], target) |