From a9601a550729b2784d029edc624d01e61ea9b9cd Mon Sep 17 00:00:00 2001
From: Blacksmoke16 <yomoejoe@gmail.com>
Date: Mon, 5 Aug 2019 11:15:08 -0400
Subject: [PATCH] Revert Yaml.deserialize to allow for anchors/alises (#22)

---
 spec/converters/yaml_spec.cr |  2 +-
 src/converters/yaml.cr       | 47 ++----------------------------------
 2 files changed, 3 insertions(+), 46 deletions(-)

diff --git a/spec/converters/yaml_spec.cr b/spec/converters/yaml_spec.cr
index 48a9d09..f32eb90 100644
--- a/spec/converters/yaml_spec.cr
+++ b/spec/converters/yaml_spec.cr
@@ -238,7 +238,7 @@ describe OQ::Converters::Yaml do
         end
       end
 
-      pending "with anchors" do
+      describe "with anchors" do
         it "should output correctly" do
           run_binary(ANCHORS, args: ["-i", "yaml", "-c", "."]) do |output|
             output.should eq %({"base":{"name":"Everyone has same name"},"foo":{"name":"Everyone has same name","age":10},"bar":{"name":"Everyone has same name","age":20}}\n)
diff --git a/src/converters/yaml.cr b/src/converters/yaml.cr
index 8cc4d64..70b290e 100644
--- a/src/converters/yaml.cr
+++ b/src/converters/yaml.cr
@@ -6,52 +6,9 @@ class JSON::Builder
 end
 
 module OQ::Converters::Yaml
-  # ameba:disable Metrics/CyclomaticComplexity
+  # OPTIMIZE: Figure out a way to handle aliases/anchors while streaming.
   def self.deserialize(input : IO, output : IO, **args) : Nil
-    yaml = YAML::PullParser.new(input)
-    json = JSON::Builder.new(output)
-
-    yaml.read_stream do
-      loop do
-        case yaml.kind
-        when .document_start?
-          json.start_document
-        when .document_end?
-          json.end_document
-          yaml.read_next
-          break
-        when .scalar?
-          string = yaml.value
-
-          if json.next_is_object_key?
-            json.scalar(string)
-          else
-            scalar = YAML::Schema::Core.parse_scalar(yaml)
-            case scalar
-            when Nil
-              json.scalar(scalar)
-            when Bool
-              json.scalar(scalar)
-            when Int64
-              json.scalar(scalar)
-            when Float64
-              json.scalar(scalar)
-            else
-              json.scalar(string)
-            end
-          end
-        when .sequence_start?
-          json.start_array
-        when .sequence_end?
-          json.end_array
-        when .mapping_start?
-          json.start_object
-        when .mapping_end?
-          json.end_object
-        end
-        yaml.read_next
-      end
-    end
+    YAML.parse(input).to_json output
   end
 
   # ameba:disable Metrics/CyclomaticComplexity