class Rack::Metadata
Public Class Methods
new(app, options = {})
click to toggle source
# File lib/rack/metadata.rb, line 4 def initialize(app, options = {}) @app = app end
Public Instance Methods
call(env)
click to toggle source
# File lib/rack/metadata.rb, line 8 def call(env) env['rack.metadata'] = {} status, headers, response = @app.call(env) if headers['Content-Type'].to_s.include?('text/html') # Only update HTML bodies if env['rack.metadata'] body = "" response.each { |part| body << part } index = body.rindex("</head>") if index body.insert(index, env['rack.metadata'].map{|k,v| message(k,v)}.join("")) headers["Content-Length"] = body.bytesize.to_s response = [body] end end end [status, headers, response] end
Private Instance Methods
message(name, content)
click to toggle source
# File lib/rack/metadata.rb, line 30 def message(name, content) %{<meta name="#{name}" content="#{content}" />} end