cappuccino/Rake/objective-j/bundle.rb

require 'rake'
require 'objective-j/plist'

module ObjectiveJ

  # Create a package based upon a Gem spec.  Gem packages, as well as
  # zip files and tar/gzipped packages can be produced by this task.
  #
  # In addition to the Rake targets generated by PackageTask, a
  # GemPackageTask will also generate the following tasks:
  #
  # [<b>"<em>package_dir</em>/<em>name</em>-<em>version</em>.gem"</b>]
  #   Create a Ruby GEM package with the given name and version.
  #
  # Example using a Ruby GEM spec:
  #
  #   require 'rubygems'
  #
  #   spec = Gem::Specification.new do |s|
  #     s.platform = Gem::Platform::RUBY
  #     s.summary = "Ruby based make-like utility."
  #     s.name = 'rake'
  #     s.version = PKG_VERSION
  #     s.requirements << 'none'
  #     s.require_path = 'lib'
  #     s.autorequire = 'rake'
  #     s.files = PKG_FILES
  #     s.description = <<EOF
  #   Rake is a Make-like program implemented in Ruby. Tasks
  #   and dependencies are specified in standard Ruby syntax.
  #   EOF
  #   end
  #
  #   Rake::GemPackageTask.new(spec) do |pkg|
  #     pkg.need_zip = true
  #     pkg.need_tar = true
  #   end
  #
    class BundleTask < Rake::Task

        # Objective-J Bundle spec containing the metadata for this bundle.
        attr_accessor :bundle_spec
                
        def self.overwrite_accessor(name, &block)
            remove_method name
            define_method(name, &block)
        end
        
        overwrite_accessor :bundle_spec= do |spec|

            @bundle_spec = spec
            
            @bundle_spec.validate
            
            resources_path = File.join(@bundle_spec.build_path, 'Resources')
            copied_resources = []

            # create file tasks for copied resources
            @bundle_spec.resources.each do |resource|

                copied_resource = File.join(resources_path, File.basename(resource))

                file_d copied_resource => [resource] do
                    cp_r(resource, resources_path)
                end
                
                copied_resources << copied_resource
            end

            objects_path = @bundle_spec.intermediates_path
            objects = []
            replaced_files = []

            # create file tasks for object files
            @bundle_spec.sources.each do |source|

                object_path = File.join(objects_path, File.basename(source, File.extname(source))) + '.o'
                flags = []

                @bundle_spec.flags.each do |flag|
                    flags << '-D' + flag
                end

                file_d object_path => source do
                    IO.popen("objjc #{flags.join(' ')} #{source} -o #{object_path}") do |objjc|
                        puts objjc.read
                    end
                end
                
                objects << object_path
                replaced_files << File.basename(source)
            end

            #the actual executable path
            executable_path = File.join(@bundle_spec.build_path, @bundle_spec.name + '.sj')
            
            # copy license file
            license_path = nil
            
            # check if a license type has been specified
            if @bundle_spec.license != nil
                
                copied_license = @bundle_spec.build_path + '/LICENSE'

                case @bundle_spec.license
                    when License::LGPL_v2_1
                        license_path = File.expand_path(File.join(File.dirname(__FILE__), '../LGPL-v2.1'))
                    else
                        license_path = license
                end

                file_d executable_path => copied_license
                
                file_d copied_license => license_path do
                    cp(license_path, copied_license)
                end
            end
            
            file executable_path => objects do
                
                File.open(executable_path, "w") do |file|
                
                    file.write('@STATIC;1.0;')
                    
                    objects.each do |object|           
                        file.write(IO.read(object))
                    end
                end
            end

            info_plist_path = @bundle_spec.build_path + '/Info.plist'
            info_plist = @bundle_spec.info_plist
            
            info_plist['CPBundleExecutable'] = File.basename(executable_path)
            info_plist['CPBundleReplacedFiles'] = replaced_files
            
            file_d info_plist_path do
                File.open(info_plist_path, 'w') do |file|
                    file.puts info_plist.to_plist
                end
            end

            enhance(copied_resources + [executable_path, info_plist_path])
        end
    end
end