Add builder as a dependency and monkey patch into XmlMarkup class (#1)

- Added builder and request_store as dependencies
- Monkey patched into Builder's XmlMarkup class

Gemfile.lock

@@ -0,0 +1,22 @@
+PATH
+  remote: .
+  specs:
+    builder_deferred_tagging (0.1.0)
+      builder
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    builder (3.2.3)
+    rake (10.5.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  builder_deferred_tagging!
+  bundler (~> 2.0)
+  rake (~> 10.0)
+
+BUNDLED WITH
+   2.0.2

builder_deferred_tagging.gemspec

@@ -8,16 +8,14 @@ Gem::Specification.new do |spec|
   spec.authors       = ["ConnorSheremeta"]
   spec.email         = ["[email protected]"]
 
-  spec.summary       = %q{TODO: Write a short summary, because RubyGems requires one.}
-  spec.description   = %q{TODO: Write a longer description or delete this line.}
-  spec.homepage      = "TODO: Put your gem's website or public repo URL here."
+  spec.summary       = %q{This gem is used for deferred tagging through builder}
+  spec.homepage      = "https://github.com/ualbertalib/builder_deferred_tagging"
   spec.license       = "MIT"
 
   spec.metadata["allowed_push_host"] = "TODO: Set to 'http://mygemserver.com'"
 
   spec.metadata["homepage_uri"] = spec.homepage
-  spec.metadata["source_code_uri"] = "TODO: Put your gem's public repo URL here."
-  spec.metadata["changelog_uri"] = "TODO: Put your gem's CHANGELOG.md URL here."
+  spec.metadata["source_code_uri"] = "https://github.com/ualbertalib/builder_deferred_tagging"
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
@@ -28,6 +26,9 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.add_dependency "builder"
+  spec.add_dependency "request_store"
+
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 10.0"
 end

lib/builder_deferred_tagging.rb

@@ -1,6 +1,26 @@
 require "builder_deferred_tagging/version"
+require "builder/xmlmarkup"
+require "request_store"
 
 module BuilderDeferredTagging
-  class Error < StandardError; end
-  # Your code goes here...
+  Builder::XmlMarkup.class_eval do
+    def push_deferred_attribute (attr)
+      local_deferred_attributes.merge!(attr)
+    end
+
+    def deferred_attributes
+      attr = local_deferred_attributes
+      clear_local_deferred_attributes
+      attr
+    end
+
+    private
+    def local_deferred_attributes
+      RequestStore.store[:deferred_attributes] ||= {}
+    end
+
+    def clear_local_deferred_attributes
+      RequestStore.store[:deferred_attributes] = {}
+    end
+  end
 end