class Rack::RackSeo::Base

Attributes

config[RW]
current_path[RW]
dispatcher[RW]

Public Class Methods

new(app, options, &block) click to toggle source
# File lib/rack-seo/base.rb, line 8
def initialize app, options, &block
  @app = app
  if options[:config]
    @config = YAML.load(IO.read(options[:config]))
  else
    @config = YAML.load(IO.read("config/rack_seo.default.yml"))
  end
end

Public Instance Methods

call(env) click to toggle source
# File lib/rack-seo/base.rb, line 17
def call env
  # Setup document body ready to process
  status, headers, response = @app.call(env)
  return [status, headers, response] unless headers['Content-Type'] =~ /html/
  body = ""; response.each do |part| body << part end

  document = Rack::RackSeo::Document.new(body)
  current_path = env['PATH_INFO'] || '/'
  execute!(document, current_path)

  body = document.to_html
  headers['Content-Length'] = body.length.to_s if headers['Content-Length'] # still UTF-8 unsafe
  [status, headers, [body]]        
end
execute!(document, current_path = '/') click to toggle source
# File lib/rack-seo/base.rb, line 32
def execute!(document, current_path = '/')
  @dispatcher = RackSeo::Dispatcher.new(@config, current_path)
  set_meta_title(document, @dispatcher.title_format)
  set_meta_description(document, @dispatcher.description_selector)
  set_meta_keywords(document, @dispatcher.keywords_selector)
end
set_meta_description(document, description_selector) click to toggle source
# File lib/rack-seo/base.rb, line 45
def set_meta_description(document, description_selector)
  content = Rack::RackSeo::Summarizer.extract_description(document, description_selector)
  document.description_content = content
end
set_meta_keywords(document, keywords_selector) click to toggle source
# File lib/rack-seo/base.rb, line 50
def set_meta_keywords(document, keywords_selector)
  content = Rack::RackSeo::Summarizer.extract_keywords(document, keywords_selector)
  document.keywords_content = content
end
set_meta_title(document, title_format) click to toggle source
# File lib/rack-seo/base.rb, line 39
def set_meta_title(document, title_format)
  content = Rack::RackSeo::TitleFormatter.parse_meta_title(document, title_format)
  content = Rack::RackSeo::Sanitize.sanitize_meta_title(content)
  document.title_content = content
end