Add JSON::GenericObject.from_hashes

This method transforms hashes of hashes into GenericObject structures.

4 files changed, 21 insertions, 2 deletions

diff --git a/json.gemspec b/json.gemspec
index 39addce..6870652 100644
--- a/json.gemspec
+++ b/json.gemspec
@@ -6,7 +6,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Florian Frank"]
-  s.date = "2012-08-17"
+  s.date = "2012-10-02"
   s.description = "This is a JSON implementation as a Ruby extension in C."
   s.email = "flori@ping.de"
   s.extensions = ["ext/json/ext/generator/extconf.rb", "ext/json/ext/parser/extconf.rb"]
diff --git a/json_pure.gemspec b/json_pure.gemspec
index 33b0231..715c8ac 100644
--- a/json_pure.gemspec
+++ b/json_pure.gemspec
@@ -6,7 +6,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Florian Frank"]
-  s.date = "2012-08-17"
+  s.date = "2012-10-02"
   s.description = "This is a JSON implementation in pure Ruby."
   s.email = "flori@ping.de"
   s.extra_rdoc_files = ["README.rdoc"]
diff --git a/lib/json/generic_object.rb b/lib/json/generic_object.rb
index 7f3dbbd..636ea33 100644
--- a/lib/json/generic_object.rb
+++ b/lib/json/generic_object.rb
@@ -10,6 +10,18 @@ module JSON
         data.delete JSON.create_id
         self[data]
       end
+
+      def from_hashes(hash)
+        result = new
+        hash.to_hash.each do |key, value|
+          if value.respond_to?(:to_hash)
+            result[key] = from_hashes(value)
+          else
+            result[key] = value
+          end
+        end
+        result
+      end
     end
 
     def to_hash
diff --git a/tests/test_json_generic_object.rb b/tests/test_json_generic_object.rb
index e13a492..abeb8df 100644
--- a/tests/test_json_generic_object.rb
+++ b/tests/test_json_generic_object.rb
@@ -32,4 +32,11 @@ class TestJSONGenericObject < Test::Unit::TestCase
       l = JSON('{ "a": { "b": 2 } }', :object_class => GenericObject)
     assert_equal 2, l.a.b
   end
+
+  def test_from_hashes
+    result  = GenericObject.from_hashes(:foo => { :bar => { :baz => true } })
+    assert_kind_of GenericObject, result.foo
+    assert_kind_of GenericObject, result.foo.bar
+    assert_equal   true, result.foo.bar.baz
+  end
 end