craft.rb in craft-0.2.0

- old
+ new
@@ -1,127 +1,17 @@
-require 'craft/version'
-require 'nokogiri'
+require 'capybara'
 
-# Craft objects out of HTML and XML.
-#
-# Examples
-#
-#   module Transformations
-#     IntegerTransform = lambda { |n| Integer n.text }
-#     Timestamp        = lambda { Time.now }
-#   end
-#
-#   class Person < Craft
-#     include Transformations
-#
-#     one :name, 'div.name'
-#     one :age, 'div.age', IntegerTransform
-#     many :friends, 'li.friend', Person
-#     stub :created_at, Timestamp
-#   end
-#
-class Craft
+module Craft
+  include Capybara::DSL
+
   class << self
-    # Returns an Array of names for the attributes defined in the class.
-    attr :attribute_names
+    attr_accessor :driver
 
-    # Define an attribute that extracts a collection of values from a parsed
-    # document.
-    #
-    # name  - The Symbol name of the attribute.
-    # paths - One or more String XPath of CSS queries. An optional Proc
-    #         transformation on the extracted value may be appended. If none is
-    #         appended, the default transformation returns the stripped String
-    #         value of the node.
-    #
-    # Returns nothing.
-    def many(name, *paths)
-      transform = pop_transform_from_paths paths
-      @attribute_names << name
-
-      define_method name do
-        @node.search(*paths).map { |node| instance_exec node, &transform }
-      end
+    def session
+      Thread.current[:session] ||= Capybara::Session.new(driver)
     end
-
-    # Define an attribute that extracts a single value from a parsed document.
-    #
-    # name  - The Symbol name of the attribute.
-    # paths - One or more String XPath of CSS queries. An optional Proc
-    #         transformation on the extracted value may be appended. If none is
-    #         appended, the default transformation returns the stripped String
-    #         value of the node.
-    #
-    # Returns nothing.
-    def one(name, *paths)
-      transform = pop_transform_from_paths paths
-      @attribute_names << name
-
-      define_method name do
-        instance_exec @node.at(*paths), &transform
-      end
-    end
-
-    # Parse a document.
-    #
-    # body - A String HTML or XML document.
-    #
-    # Returns an instance of its self.
-    def parse(body)
-      new Nokogiri body
-    end
-
-    # Define an attribute that returns a value without parsing the document.
-    #
-    # name  - The Symbol name of the attribute.
-    # value - Some value the attribute should return. If given a Proc, the
-    #         value will be generated dynamically (default: nil).
-    #
-    # Returns nothing.
-    def stub(name, value = nil)
-      @attribute_names << name
-
-      define_method name do
-        value.respond_to?(:call) ? instance_exec(&value) : value
-      end
-    end
-
-    def to_proc
-      klass = self
-      ->(node) { klass.new node, self }
-    end
-
-    private
-
-    def inherited(subclass)
-      subclass.instance_variable_set :@attribute_names, []
-    end
-
-    def pop_transform_from_paths(array)
-      if array.last.respond_to? :to_proc
-        array.pop
-      else
-        ->(node) { node.text.strip if node }
-      end
-    end
   end
 
-  attr :parent
-
-  # Craft a new object.
-  #
-  # node - A Nokogiri::XML::Node.
-  def initialize(node, parent = nil)
-    @node = node
-    @parent = parent
-  end
-
-  # Returns the Hash attributes.
-  def attributes
-    Hash[attribute_names.map { |key| [key, self.send(key)] }]
-  end
-
-  # Returns an Array of names for the attributes on this object.
-  def attribute_names
-    self.class.attribute_names
+  def page
+    Craft.session
   end
 end