move Node class under Mechanize namespace

src/mechanize.cr

@@ -73,13 +73,13 @@ class Mechanize
   def post(uri : String | URI,
            headers = ::HTTP::Headers.new,
            query : Hash(String, String | Array(String)) = Hash(String, String).new) : Mechanize::Page
-    node = Node.new
+    node = Mechanize::Node.new
     node["method"] = "POST"
     node["enctype"] = "application/x-www-form-urlencoded"
 
     form = Mechanize::Form.new(node)
     query.each do |k, v|
-      node = Node.new
+      node = Mechanize::Node.new
       node["name"] = k
       form.fields << Mechanize::FormContent::Field.new(node, v)
     end

src/mechanize/form.cr

@@ -13,7 +13,7 @@ class Mechanize
   class Form
     include ElementMatcher
 
-    getter node : Node | Lexbor::Node
+    getter node : Mechanize::Node | Lexbor::Node
     # returns hoge array of `Mechanize::FormContent::Field` in the form.
     getter fields : Array(FormContent::Field)
     # returns an array of input tags whose type is checkbox in the form.
@@ -35,7 +35,7 @@ class Mechanize
     # returns the page which includes the form.
     getter page : Page?
 
-    def initialize(node : Node | Lexbor::Node, page : Page? = nil)
+    def initialize(node : Mechanize::Node | Lexbor::Node, page : Page? = nil)
       @enctype = node.fetch("enctype", "application/x-www-form-urlencoded")
       @node = node
       @fields = Array(FormContent::Field).new

src/mechanize/form/button.cr

@@ -1,9 +1,9 @@
 # This class represents button related html element.
 # <button>, and <input> whose type is button, reset, image, submit.
 class Mechanize::FormContent::Button < Mechanize::FormContent::Field
-  getter form_node : Node | Lexbor::Node
+  getter form_node : Mechanize::Node | Lexbor::Node
 
-  def initialize(node : Node | Lexbor::Node, form_node : Node | Lexbor::Node, value = nil)
+  def initialize(node : Mechanize::Node | Lexbor::Node, form_node : Mechanize::Node | Lexbor::Node, value = nil)
     @form_node = form_node
     super(node, value)
   end

src/mechanize/form/field.cr

@@ -9,9 +9,9 @@ class Mechanize::FormContent::Field
   # returns field's 'value' attribute.
   # value property is changeable, but this property stores raw value.
   getter raw_value : String?
-  getter node : Node | Lexbor::Node
+  getter node : Mechanize::Node | Lexbor::Node
 
-  def initialize(node : Node | Lexbor::Node, value = nil)
+  def initialize(node : Mechanize::Node | Lexbor::Node, value = nil)
     @node = node
     @name = node.fetch("name", "")
     @value = value || node.fetch("value", nil)

src/mechanize/form/radio_button.cr

@@ -2,7 +2,7 @@
 class Mechanize::FormContent::RadioButton < Mechanize::FormContent::Field
   property :checked, :form
 
-  def initialize(node : Node | Lexbor::Node, form : Form)
+  def initialize(node : Mechanize::Node | Lexbor::Node, form : Form)
     @checked = !!node.fetch("checked", nil)
     @form = form
     super(node)

src/mechanize/node.cr

@@ -1,17 +1,20 @@
 require "lexbor"
 
-# This is a fake node used when sending post request.
-class Node < Hash(String, String)
-  def css(str)
-    [] of Hash(String, String)
-  end
+class Mechanize
+  # This is a fake node used when sending post request.
+  class Node < Hash(String, String)
+    def css(str)
+      [] of Hash(String, String)
+    end
 
-  def inner_text
-    ""
+    def inner_text
+      ""
+    end
   end
 end
 
 # This is a real Node got from html.
+# TODO: create PR to https://github.com/kostya/lexbor
 struct Lexbor::Node
   delegate :[], to: attributes
   delegate :[]=, to: attributes