Class: Blossom::Application

Inherits:
Rack::Builder
  • Object
show all
Defined in:
lib/blossom.rb

Defined Under Namespace

Classes: Configuration

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ Application

Returns a new instance of Application.



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# File 'lib/blossom.rb', line 25

def initialize(root)
  super()

  @root = root

  determine_name!
  load_configuration!
  configure!
  build_rack!
end

Instance Method Details

#build_rack! ⇒ Object 



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# File 'lib/blossom.rb', line 109

def build_rack!
  run sinatra_app
end

#compass_options ⇒ Object 



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# File 'lib/blossom.rb', line 38

def compass_options
  return \
    :cache_dir         => "tmp/sass-cache",
    :http_images_path  => "/",
    :images_dir        => @config.public_directory,
    :line_comments     => false,
    :output_style      => :compact,
    :project_path      => @root,
    :sass_dir          => Dir.pwd
end

#configuration_filename ⇒ Object 



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# File 'lib/blossom.rb', line 87

def configuration_filename
filename("#@name.blossom") end

#configuration_hash ⇒ Object 



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# File 'lib/blossom.rb', line 75

def configuration_hash
  case result = YAML.load_file(configuration_filename)
  when false then {} # Empty file.
  when Hash then result
  else Blossom.fail "Bad configuration file: #{configuration_filename}"
  end
rescue Errno::ENOENT
  {}
end

#configure! ⇒ Object 



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# File 'lib/blossom.rb', line 101

def configure!
  compass_options.each do |key, value|
    Compass.configuration.send("#{key}=", value)
  end

  Compass.configure_sass_plugin!
end

#custom_sinatra_code ⇒ Object 



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# File 'lib/blossom.rb', line 179

def custom_sinatra_code
  File.read(sinatra_code_filename) rescue nil
end

#determine_name! ⇒ Object 



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# File 'lib/blossom.rb', line 59

def determine_name!
  names = glob("*.blossom")
  case names.size
  when 0
    Blossom.fail "Missing configuration file: NAME.blossom"
  when 1
    @name = names[0].sub(/\.blossom$/, '')
  else
    Blossom.fail "Multiple configuration files: #{names * ', '}"
  end
end

#filename(*components) ⇒ Object 



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# File 'lib/blossom.rb', line 96

def filename(*components)
File.join(@root, *components) end

#glob(glob) ⇒ Object 



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# File 'lib/blossom.rb', line 94

def glob(glob)
Dir[filename(glob)].map { |name| File.basename(name) } end

#haml_options ⇒ Object 



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# File 'lib/blossom.rb', line 49

def haml_options
  return :format => :html5, :attr_wrapper => '"'
end

#load_configuration! ⇒ Object 



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# File 'lib/blossom.rb', line 71

def load_configuration!
  @config = Configuration.new(configuration_hash)
end

#public_dirname ⇒ Object 



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# File 'lib/blossom.rb', line 91

def public_dirname
filename(@config.public_directory) end

#sass_options ⇒ Object 



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# File 'lib/blossom.rb', line 53

def sass_options
  Compass.sass_engine_options
end

#sinatra_app ⇒ Object 



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# File 'lib/blossom.rb', line 113

def sinatra_app
  app = Sinatra.new
  app.set :blossom, self

  app.set :root, @root
  app.set :index, @name.to_sym

  app.set :views, @root
  app.set :public_folder, public_dirname

  app.set :haml, haml_options
  app.set :sass, sass_options
  app.set :scss, sass_options

  if custom_sinatra_code
    app.class_eval(custom_sinatra_code)
  end

  # Need variable here for lexical scoping.
  max_age = @config.max_age
  app.before { cache_control :max_age => max_age }

  app.register do
    def path_exists? suffix
      condition {
        basename = File.basename(request.path_info)
        File.exist? File.join(settings.root, "#{basename}.#{suffix}")
      }
    end

    def file_exists? suffix
      condition {
        basename = File.basename(request.path_info)
        barename = basename.sub(/\.[^.]*$/, '')
        File.exist? File.join(settings.root, "#{barename}.#{suffix}")
      }
    end
  end

  @config.public_extensions.each do |extension|
    app.get "/:name.#{extension}", :file_exists? => extension do
      send_file "#{params[:name]}.#{extension}"
    end
  end

  app.get "/:name.css", :file_exists? => :scss do
    content_type :css
    scss params[:name].to_sym
  end

  app.get "/:name.css", :file_exists? => :sass do
    content_type :css
    sass params[:name].to_sym
  end

  app.get "/:name", :path_exists? => :haml do
    haml params[:name].to_sym
  end

  app.get "/" do
    haml settings.index
  end

  app
end

#sinatra_code_filename ⇒ Object 



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# File 'lib/blossom.rb', line 89

def sinatra_code_filename
filename("#@name.sinatra.rb") end