diff options
Diffstat (limited to 'enc/trans/make_transdb.rb')
| -rw-r--r-- | enc/trans/make_transdb.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/enc/trans/make_transdb.rb b/enc/trans/make_transdb.rb new file mode 100644 index 0000000000..48a05361bc --- /dev/null +++ b/enc/trans/make_transdb.rb @@ -0,0 +1,40 @@ +# +# static const rb_transcoder +# rb_from_US_ASCII = { +# "US-ASCII", "UTF-8", &from_US_ASCII, 1, 0, +# NULL, NULL, +# }; +# + +count = 0 +converters = {} +transdir = ARGV[0] +outhdr = ARGV[1] || 'transdb.h' +Dir.open(transdir) {|d| d.grep(/.+\.[ch]\z/)}.sort.each do |fn| + open(File.join(transdir,fn)) do |f| + f.each_line do |line| + if (/^static const rb_transcoder/ =~ line)..(/"(.*?)"\s*,\s*"(.*?)"/ =~ line) + if $1 && $2 + from_to = "%s to %s" % [$1, $2] + converters[from_to] + if converters[from_to] + raise ArgumentError, '%s:%d: transcode "%s" is already registered (%s:%d)' % + [fn, $., from_to, *converters[from_to].values_at(2, 3)] + else + converters[from_to] = [$1, $2, fn[0..-3], $.] + end + end + end + end + end +end +result = converters.map {|k, v| %[rb_declare_transcoder("%s", "%s", "%s");\n] % v}.join +mode = IO::RDWR|IO::CREAT +mode |= IO::BINARY if defined?(IO::BINARY) +open(outhdr, mode) do |f| + unless f.read == result + f.rewind + f.truncate(0) + f.print result + end +end |