MXMLC Interface in Ruby

mxmlc_interface.rb

#For compiling swfs using MXMLC, tooled to fit Flite build needs.
class MXMLCInterface
  MXMLC = ENV["FLEX_HOME"] ? File.join(ENV["FLEX_HOME"], "bin/mxmlx") : "./bin/mxmlc"
  FLEX_CONFIG = ENV["FLEX_CONFIG"] || "./"

  @@mxmlc = MXMLC
  def self.mxmlc= (value)
    @@mxmlc = value
  end

  @@flex_config = FLEX_CONFIG
  def self.flex_config= (value)
    @@flex_config = value
  end

  @@source_path = "./"
  def self.source_path= (value)
    @@source_path = value
  end

  def self.compile (input, output, debug = false, authoring = false, ignore_warnings = false, library_paths = [], version = 0)
    release = !to_boolean(debug) || !to_boolean(authoring)

    #Build mxmlc command
    mxmlc_command = [
      "#{@@mxmlc}",
      "-optimize=true",
      "-compress=true",
      "-compiler.as3=true",
      "-compiler.incremental=true",
      "-compiler.source-path=#{@@source_path}",
      "-compiler.show-actionscript-warnings=#{!ignore_warnings}",
      "-static-link-runtime-shared-libraries=true",
      "-load-config=#{@@flex_config}",
      "-debug=#{debug}",
      "-define=CONFIG::FLASH_AUTHORING,#{authoring}",
      "-define=CONFIG::DEBUG,#{debug}",
      "-define=CONFIG::IS_RELEASE,#{release}",
      "-define=CONFIG::VERSION,#{version}",
      "#{library_paths.join(" ")}",
      "-o #{output} #{input}"
    ].join(" ")

    #Run command
    output = `#{mxmlc_command}`
    output.each_line {|line| print "   #{line}"}

    #Return success of command
    $?.success?
  end

  def self.to_boolean(str)
    str == true || str =~ (/(true|t|yes|y|1)$/i)
  end
end