add vendor back

vendor/sinatra-markaby/lib/sinatra/markaby.rb

@@ -0,0 +1,31 @@
+require 'sinatra/base'
+require 'markaby'
+
+module Sinatra
+  module Markaby
+    # Generate html file using Markaby.
+    # Takes the name of a template to render as a Symbol and returns a String with the rendered output.
+    #
+    # Options for markaby may be specified in Sinatra using set :markaby, { ... }
+    # TODO: the options aren't actually used yet
+    def mab(template=nil, options={}, locals = {}, &block)
+      options, template = template, nil if template.is_a?(Hash)
+      template = lambda { block } if template.nil?
+      render :mab, template, options, locals
+    end
+
+  protected
+    def render_mab(template, data, options, locals, &block)
+      filename = options.delete(:filename) || '<MARKABY>'
+      line = options.delete(:line) || 1
+      mab = ::Markaby::Builder.new(locals)
+      if data.respond_to?(:to_str)
+        eval(data.to_str, binding, filename, line)
+      elsif data.kind_of?(Proc)
+        data.call(mab)
+      end
+    end
+  end
+
+  helpers Markaby
+end