Module: Kakasi::Lib

Extended by:
Importer, Library
Includes:
DL
Defined in:
lib/kakasi/dl.rb,
lib/kakasi/ffi.rb,
lib/kakasi/fiddle.rb

Constant Summary collapse

Fiddle = 
DL
Pointer = 
DL::CPtr
FFI = 
Rubinius::FFI
INTERNAL_ENCODING = 
Encoding::CP932

Class Method Summary collapse

Class Method Details

.kakasi(options, string) ⇒ Object 



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# File 'lib/kakasi/ffi.rb', line 22

def kakasi(options, string)
  @mutex.synchronize {
    if options != @options
      kakasi_close_kanwadict() if @options

      args = ['kakasi', *options.split]

      argc = args.size
      argv = FFI::MemoryPointer.new(:pointer, argc).
        write_array_of_pointer(args.map { |arg|
          FFI::MemoryPointer.from_string(arg)
        })

      kakasi_getopt_argv(argc, argv).zero? or
        raise "failed to initialize kakasi"

      @options = options.dup
    end

    encoding = string.encoding
    result = ''.force_encoding(INTERNAL_ENCODING)
    string.encode(INTERNAL_ENCODING).split(/(\0+)/).each { |str, nul|
      buf = kakasi_do(str)
      result << buf.read_string.force_encoding(INTERNAL_ENCODING)
      kakasi_free(buf)
      result << nul if nul
    }
    result.encode(encoding)
  }
end