lib/bibliothecary/parsers/cpan.rb in bibliothecary-4.0.4 vs lib/bibliothecary/parsers/cpan.rb in bibliothecary-5.0.0

@@ -4,30 +4,25 @@
 module Bibliothecary
   module Parsers
     class CPAN
       include Bibliothecary::Analyser
 
-      def self.parse(filename, path)
-        if filename.match(/^META\.json$/i)
-          file_contents = File.open(path).read
-          json = JSON.parse file_contents
-          parse_json_manifest(json)
-        elsif filename.match(/^META\.yml$/i)
-          file_contents = File.open(path).read
-          yaml = YAML.load file_contents
-          parse_yaml_manifest(yaml)
-        else
-          []
-        end
+      def self.mapping
+        {
+          /^META\.json$/i => :parse_json_manifest,
+          /^META\.yml$/i => :parse_yaml_manifest
+        }
       end
 
-      def self.parse_json_manifest(manifest)
-        manifest['prereqs'].map do |group, deps|
+      def self.parse_json_manifest(file_contents)
+        manifest = JSON.parse file_contents
+        manifest['prereqs'].map do |_group, deps|
           map_dependencies(deps, 'requires', 'runtime')
         end.flatten
       end
 
-      def self.parse_yaml_manifest(manifest)
+      def self.parse_yaml_manifest(file_contents)
+        manifest = YAML.load file_contents
         map_dependencies(manifest, 'requires', 'runtime')
       end
 
       def self.map_dependencies(hash, key, type)
         hash.fetch(key,[]).map do |name, requirement|