class YUI::Compressor

:nodoc:

def self.compressor_type #:nodoc:

:nodoc:
def self.compressor_type #:nodoc:
  raise Error, "create a CssCompressor or JavaScriptCompressor instead"
end

def self.default_options #:nodoc:

:nodoc:
def self.default_options #:nodoc:
  { :charset => "utf-8", :line_break => nil }
end

def command #:nodoc:

:nodoc:
def command #:nodoc:
  if RbConfig::CONFIG['host_os'] =~ /mswin|mingw/
    # Shellwords is only for bourne shells, so windows shells get this
    # extremely remedial escaping
    escaped_cmd = @command.map do |word|
      if word =~ / /
        word = "\"%s\"" % word
      end
      word
    end
  else
    escaped_cmd = @command.map { |word| Shellwords.escape(word) }
  end
  escaped_cmd.join(" ")
end

def command_option_for_charset(charset)

def command_option_for_charset(charset)
  ["--charset", charset.to_s]
end

def command_option_for_line_break(line_break)

def command_option_for_line_break(line_break)
  line_break ? ["--line-break", line_break.to_s] : []
end

def command_option_for_type

def command_option_for_type
  ["--type", self.class.compressor_type.to_s]
end

def command_options

def command_options
  options.inject([]) do |command_options, (name, argument)|
    method = begin
      method(:"command_option_for_#{name}")
    rescue NameError
      raise OptionError, "undefined option #{name.inspect}"
    end
    command_options.concat(method.call(argument))
  end
end

def compress(stream_or_string)


end
end
end
end
gzip.write(buffer)
while buffer = compressed.read(4096)
compressor.compress(source) do |compressed|
Zlib::GzipWriter.open("my.js.gz", "w") do |gzip|
File.open("my.js", "r") do |source|
==== Example: Compress and gzip a file on disk

# => "(function(){var foo={};foo.bar=\"baz\"})();"
compressor.compress('(function () { var foo = {}; foo["bar"] = "baz"; })()')
compressor = YUI::JavaScriptCompressor.new
==== Example: Compress JavaScript

# => "div.error{color:red;}div.warning{display:none;}"
END_CSS
}
display: none;
div.warning {
}
color: red;
div.error {
compressor.compress(<<-END_CSS)
compressor = YUI::CssCompressor.new
==== Example: Compress CSS

Otherwise, +compress+ returns a string of compressed code.
is given, you can read the compressed code from the block's argument.
any object that responds to +read+ and +close+ like an IO.) If a block
Compress a stream or string of code with YUI Compressor. (A stream is
def compress(stream_or_string)
  streamify(stream_or_string) do |stream|
    tempfile = Tempfile.new('yui_compress')
    tempfile.write stream.read
    tempfile.flush
    full_command = "%s %s" % [command, tempfile.path]
    begin
      output = `#{full_command}`
    rescue Exception => e
      # windows shells tend to blow up here when the command fails
      raise RuntimeError, "compression failed: %s" % e.message
    ensure
      tempfile.close!
    end
    if $?.exitstatus.zero?
      output
    else
      # Bourne shells tend to blow up here when the command fails, usually
      # because java is missing
      raise RuntimeError, "Command '%s' returned non-zero exit status" %
        full_command
    end
  end
end

def initialize(options = {}) #:nodoc:

:nodoc:
def initialize(options = {}) #:nodoc:
  @options = self.class.default_options.merge(options)
  @command = [path_to_java]
  @command.push(*java_opts)
  @command.push("-jar")
  @command.push(path_to_jar_file)
  @command.push(*(command_option_for_type + command_options))
  @command.compact!
end

def java_opts

def java_opts
  options.delete(:java_opts).to_s.split(/\s+/)
end

def path_to_jar_file

def path_to_jar_file
  options.delete(:jar_file) || File.join(File.dirname(__FILE__), *%w".. yuicompressor-2.4.8.jar")
end

def path_to_java

def path_to_java
  options.delete(:java) || "java"
end

def streamify(stream_or_string)

def streamify(stream_or_string)
  if stream_or_string.respond_to?(:read)
    yield stream_or_string
  else
    yield StringIO.new(stream_or_string.to_s)
  end
end