Move call method into existing Classifier class

lib/linguist/classifier.rb

@@ -3,6 +3,25 @@ require 'linguist/tokenizer'
 module Linguist
   # Language bayesian classifier.
   class Classifier
+    # Public: Use the classifier to detect language of the blob.
+    #
+    # blob               - An object that quacks like a blob.
+    # possible_languages - Array of
+    #
+    # Examples
+    #
+    #   Classifier.call(FileBlob.new("path/to/file"), [
+    #     Language["Ruby"], Language["Python"]
+    #   ])
+    #
+    # Returns an Array of possible lanuages, most probable first.
+    def self.call(blob, possible_languages)
+      language_names = possible_languages.map(&:name)
+      classify(Samples.cache, blob.data, language_names).map do |name, _|
+        Language[name] # Return the actual Language objects
+      end
+    end
+
     # Public: Train classifier that data is a certain language.
     #
     # db       - Hash classifier database object

lib/linguist/language.rb

@@ -12,7 +12,6 @@ require 'linguist/file_blob'
 require 'linguist/blob_helper'
 require 'linguist/strategy/filename'
 require 'linguist/strategy/shebang'
-require 'linguist/strategy/classifier'
 
 module Linguist
   # Language names that are recognizable by GitHub. Defined languages
@@ -98,7 +97,7 @@ module Linguist
       Linguist::Strategy::Filename,
       Linguist::Strategy::Shebang,
       Linguist::Heuristics,
-      Linguist::Strategy::Classifier
+      Linguist::Classifier
     ]
 
     # Public: Detects the Language of the blob.

lib/linguist/strategy/classifier.rb

@@ -1,13 +0,0 @@
-module Linguist
-  module Strategy
-    # Detect language using the bayesian classifier
-    class Classifier
-      def self.call(blob, languages)
-        Linguist::Classifier.classify(Samples.cache, blob.data, languages.map(&:name)).map do |name, _|
-          # Return the actual Language object based of the string language name (i.e., first element of `#classify`)
-          Language[name]
-        end
-      end
-    end
-  end
-end