Start with Objective-C

lib/linguist/heuristics.rb

@@ -6,33 +6,19 @@ module Linguist
     # Public: Given an array of String language names, a
     # apply all heuristics against the given data and return an array
     # of matching languages, or nil.
+    #
     # data      - Array of tokens or String data to analyze.
     # languages - Array of language name Strings to restrict to.
-
+    #
     # Returns an array of language name Strings, or []
     def self.find_by_heuristics(data, languages)
-      if languages.all? { |l| ["pod", "perl"].include?(l.downcase) }
-        disambiguate_pod(data, languages)
-      elsif languages.all? { |l| ["objective-c", "c++"].include?(l.downcase) }
+      if languages.all? { |l| ["Objective-C", "C++"].include?(l) }
         disambiguate_h(data, languages)
       end
     end
 
-    # Internal: Initialize a Heuristics class
-    def initialize
-    end
-
-    # .pod extensions are ambigious between perl and pod.
-    #
-    # Returns an array of still-possible languages, or nil
-    def self.disambiguate_pod(data, languages)
-      matches = []
-      matches << Language["Perl"] if data.include?("my $")
-      matches
-    end
-
     # .h extensions are ambigious between C, C++, and Objective-C.
-    # We want to look for Objective-C.
+    # We want to shortcut look for Objective-C.
     def self.disambiguate_h(data, languages)
       matches = []
       matches << Language["Objective-C"] if data.include?("@interface")

test/test_heuristics.rb

@@ -20,4 +20,9 @@ class TestHeuristcs < Test::Unit::TestCase
     results = Heuristics.find_by_heuristics(fixture("Objective-C/StyleViewController.h"), languages)
     assert_equal Language["Objective-C"], results.first
   end
+
+  def test_detect_still_works_if_nothing_matches
+    match = Language.detect("Hello.m", fixture("Objective-C/hello.m"))
+    assert_equal Language["Objective-C"], match
+  end
 end