class Rack::DevMark::Middleware

Public Class Methods

new(app, themes = [:title, :github_fork_ribbon]) click to toggle source
# File lib/rack/dev-mark/middleware.rb, line 7
def initialize(app, themes = [:title, :github_fork_ribbon])
  @app = app
  @themes = [themes].flatten.map do |theme|
    theme.is_a?(Symbol) ? Rack::DevMark::Theme.const_get(camelize(theme.to_s)).new : theme
  end
  @revision = Rack::DevMark.revision
  @timestamp = Rack::DevMark.timestamp
end

Public Instance Methods

call(env) click to toggle source
# File lib/rack/dev-mark/middleware.rb, line 16
def call(env)
  Rack::DevMark.tmp_disabled = false

  status, headers, response = @app.call(env)

  headers = HeaderHash.new(headers)

  headers['X-Rack-Dev-Mark-Env'] = CGI.escape Rack::DevMark.env

  redirect = 300 <= status.to_i && status.to_i < 400
  if !redirect && !Rack::DevMark.tmp_disabled && headers['Content-Type'].to_s =~ %r{\btext/html\b}i
    new_body = ''
    response.each do |b|
      begin
        new_body << insert_dev_marks(b)
      rescue => e
        $stderr.write %Q|Failed to insert dev marks: #{e.message}\n  #{e.backtrace.join("  \n")}|
      end
    end
    response.close if response.respond_to?(:close)
    headers['Content-Length'] &&= new_body.bytesize.to_s
    response = [new_body]
  end

  [status, headers, response]
end

Private Instance Methods

insert_dev_marks(body) click to toggle source
# File lib/rack/dev-mark/middleware.rb, line 45
def insert_dev_marks(body)
  @themes.each do |theme|
    body = theme.insert_into(body, Rack::DevMark.env, revision: @revision, timestamp: @timestamp)
  end
  body
end