Fixed issues preventing use with Ruby 1.8

apipie-rails.gemspec

@@ -17,10 +17,12 @@ Gem::Specification.new do |s|
   s.require_paths = ["lib"]
 
   s.add_dependency "rails", ">= 3.0.10"
+  s.add_dependency 'json'
   s.add_development_dependency "rspec-rails"
   s.add_development_dependency "sqlite3"
   s.add_development_dependency "minitest"
   s.add_development_dependency "maruku"
   s.add_development_dependency "RedCloth"
   s.add_development_dependency "rake"
+  s.add_development_dependency "rdoc"
 end

lib/apipie/routing.rb

@@ -3,7 +3,7 @@ module Routing
     module MapperExtensions
       def apipie
         namespace "apipie", :path => Apipie.configuration.doc_base_url do
-          get 'apipie_checksum', to: "apipies#apipie_checksum", :format => "json"
+          get 'apipie_checksum', :to => "apipies#apipie_checksum", :format => "json"
           constraints(:version => /[^\/]+/) do
             get("(:version)/(:resource)/(:method)" => "apipies#index", :as => :apipie)
           end

lib/apipie/validator.rb

@@ -365,7 +365,9 @@ def process_value(value)
       end
 
       def self.build(param_description, argument, options, block)
-        self.new(param_description, block, options[:param_group]) if block.is_a?(Proc) && block.arity == 0 && argument == Array
+        # in Ruby 1.8.x the arity on block without args is -1
+        # while in Ruby 1.9+ it is 0
+        self.new(param_description, block, options[:param_group]) if block.is_a?(Proc) && block.arity <= 0 && argument == Array
       end
 
       def description

spec/controllers/users_controller_spec.rb

@@ -264,7 +264,8 @@ def compare_hashes(h1, h2)
         end
         context "with bad input" do
           it "should raise an error" do
-            expect{ put :update,
+            expect{
+              put :update,
                 {
                   :id => 5,
                   :user => {
@@ -276,7 +277,7 @@ def compare_hashes(h1, h2)
                       :comment => 'comment1'
                     },
                     {
-                      :comment => {bad_input: 5}
+                      :comment => {:bad_input => 5}
                     }
                   ]
                 }