module Bootstrap

# File lib/bootstrap-sass.rb, line 36
def assets_path
  @assets_path ||= File.join gem_path, 'assets'
end

# File lib/bootstrap-sass.rb, line 45
def compass?
  defined?(::Compass::Frameworks)
end

# File lib/bootstrap-sass.rb, line 28
def fonts_path
  File.join assets_path, 'fonts'
end

# File lib/bootstrap-sass.rb, line 20
def gem_path
  @gem_path ||= File.expand_path '..', File.dirname(__FILE__)
end

# File lib/bootstrap-sass.rb, line 32
def javascripts_path
  File.join assets_path, 'javascripts'
end

# File lib/bootstrap-sass.rb, line 5
def load!
  register_compass_extension if compass?

  if rails?
    register_rails_engine
  elsif lotus?
    register_lotus
  elsif sprockets?
    register_sprockets
  end

  configure_sass
end

# File lib/bootstrap-sass.rb, line 53
def lotus?
  defined?(::Lotus)
end

# File lib/bootstrap-sass.rb, line 49
def rails?
  defined?(::Rails)
end

# File lib/bootstrap-sass.rb, line 41
def sprockets?
  defined?(::Sprockets)
end

# File lib/bootstrap-sass.rb, line 24
def stylesheets_path
  File.join assets_path, 'stylesheets'
end

# File lib/bootstrap-sass.rb, line 59
def configure_sass
  require 'sass'

  ::Sass.load_paths << stylesheets_path

  # bootstrap requires minimum precision of 8, see https://github.com/twbs/bootstrap-sass/issues/409
  ::Sass::Script::Number.precision = [8, ::Sass::Script::Number.precision].max
end

# File lib/bootstrap-sass.rb, line 68
def register_compass_extension
  ::Compass::Frameworks.register(
      'bootstrap',
      :version               => Bootstrap::VERSION,
      :path                  => gem_path,
      :stylesheets_directory => stylesheets_path,
      :templates_directory   => File.join(gem_path, 'templates')
  )
end

# File lib/bootstrap-sass.rb, line 82
def register_lotus
  Lotus::Assets.sources << assets_path
end

# File lib/bootstrap-sass.rb, line 78
def register_rails_engine
  require 'bootstrap-sass/engine'
end

# File lib/bootstrap-sass.rb, line 86
def register_sprockets
  Sprockets.append_path(stylesheets_path)
  Sprockets.append_path(fonts_path)
  Sprockets.append_path(javascripts_path)
end