Top Level Namespace

Defined Under Namespace

Modules: Console, URI

Constant Summary collapse

STATUS_BAR_WIDTH = 
80

Instance Method Summary collapse

Instance Method Details

#ensure_core_headers(headers) ⇒ Object 



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# File 'lib/core-source.rb', line 15

def ensure_core_headers( headers )

  unless headers.select { |header| have_header( header ) }.empty?
    return true
  end
	
  ruby_dir = ""
  if RUBY_PATCHLEVEL < 0
    Tempfile.open("preview-revision") { |temp|
			uri_path = "http://cloud.github.com/downloads/mark-moseley/ruby_core_source/preview_revision.yml"
      uri = URI.parse(uri_path)
			uri.download(temp, {:progress => true})
			revision_map = YAML::load(File.open(temp.path))
      ruby_dir = revision_map[RUBY_REVISION]
      return false if ruby_dir.nil?
    }
  else
    ruby_dir = "ruby-" + RUBY_VERSION.to_s + "-p" + RUBY_PATCHLEVEL.to_s
  end

  #
  # Download the headers
  #
  uri_path = "http://ftp.ruby-lang.org/pub/ruby/1.9/" + ruby_dir + ".tar.gz"
  Tempfile.open("ruby-src") { |temp|

    temp.binmode
    uri = URI.parse(uri_path)
		uri.download(temp, {:progress => true})
		
    tgz = Zlib::GzipReader.new(File.open(temp, "rb"))

    Dir.mktmpdir { |dir|
      inc_dir = dir + "/" + ruby_dir + "/*.inc"
      hdr_dir = dir + "/" + ruby_dir + "/*.h"
      Archive::Tar::Minitar.unpack(tgz, dir)
      FileUtils.cp( Dir.glob([ inc_dir, hdr_dir ] ), Config::CONFIG["rubyhdrdir"])
    }
  }

  return true unless headers.select { |header| have_header( header ) }.empty?
  
	raise LoadError 'Could not find core headers ' + headers.join( ', ' ) + '.'
  
  
end