class Buildr::Doc::Scaladoc

# File lib/buildr/scala/doc.rb, line 40
def generate(sources, target, options = {})
  cmd_args = [ '-d', target]
  cmd_args << '-verbose' if trace?(:scaladoc)
  options.reject { |key, value| [:sourcepath, :classpath].include?(key) }.
    each { |key, value| value.invoke if value.respond_to?(:invoke) }.
    each do |key, value|
      case value
      when true, nil
        cmd_args << "-#{key}"
      when false
        cmd_args << "-no#{key}"
      when Hash
        value.each { |k,v| cmd_args << "-#{key}" << k.to_s << v.to_s }
      else
        cmd_args += Array(value).map { |item| ["-#{key}", item.to_s] }.flatten
      end
    end
  [:sourcepath, :classpath].each do |option|
    Array(options[option]).flatten.tap do |paths|
      cmd_args << "-#{option}" << paths.flatten.map(&:to_s).join(File::PATH_SEPARATOR) unless paths.empty?
    end
  end
  cmd_args += sources.flatten.uniq
  unless Buildr.application.options.dryrun
    info "Generating Scaladoc for #{project.name}"
    trace (['scaladoc'] + cmd_args).join(' ')
    Java.load
    begin
      if Scala.version?(2.7, 2.8)
        Java.scala.tools.nsc.ScalaDoc.process(cmd_args.to_java(Java.java.lang.String))
      else
        scaladoc = Java.scala.tools.nsc.ScalaDoc.new
        scaladoc.process(cmd_args.to_java(Java.java.lang.String))
      end
    rescue => e
      fail 'Failed to generate Scaladocs, see errors above: ' + e
    end
  end
end