Merge pull request #6 from fotinakis/backwards-compatibility

Make backwards compatible with ruby 1.9.3.

.travis.yml

@@ -1,5 +1,6 @@
 language: ruby
 rvm:
+  - 1.9.3
   - 2.1.1
   - ruby-head
 script: bundle exec rspec

lib/swagger/blocks.rb

@@ -13,22 +13,20 @@ def self.included(base)
       base.extend(ClassMethods)
     end
 
-    module_function def build_root_json(swaggered_classes)
+    def self.build_root_json(swaggered_classes)
       data = Swagger::Blocks::InternalHelpers.parse_swaggered_classes(swaggered_classes)
       data[:root_node].as_json
     end
 
-    module_function def build_api_json(resource_name, swaggered_classes)
+    def self.build_api_json(resource_name, swaggered_classes)
       data = Swagger::Blocks::InternalHelpers.parse_swaggered_classes(swaggered_classes)
       api_node = data[:api_node_map][resource_name.to_sym]
       raise Swagger::Blocks::NotFoundError.new(
         "Not found: swagger_api_root named #{resource_name}") if !api_node
 
       # Aggregate all model definitions into a new ModelsNode tree and add it to the JSON.
       temp_models_node = Swagger::Blocks::ModelsNode.call(name: 'models') { }
-      data[:models_nodes].each do |models_node|
-        temp_models_node.merge!(models_node)
-      end
+      data[:models_nodes].each { |models_node| temp_models_node.merge!(models_node) }
       result = api_node.as_json
       result.merge!(temp_models_node.as_json) if temp_models_node
       result
@@ -130,10 +128,10 @@ def _swagger_nodes
     class Node
       attr_accessor :name
 
-      def self.call(name: nil, &block)
+      def self.call(options = {}, &block)
         # Create a new instance and evaluate the block into it.
         instance = new
-        instance.name = name if name # Set the first parameter given as the name.
+        instance.name = options[:name] if options[:name]
         instance.instance_eval(&block)
         instance
       end

swagger-blocks.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
-  spec.required_ruby_version = '>= 2.1'
+  spec.required_ruby_version = '>= 1.9.3'
 
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'rake'