Add Blob#loc and Blob#sloc

lib/linguist/blob.rb

@@ -12,10 +12,6 @@ module Linguist
 
     attr_reader :name
 
-    def data
-      @blob.data
-    end
-
     def mime_type
       Mime.lookup(name.extname)
     end
@@ -29,10 +25,26 @@ module Linguist
       end
     end
 
+    def data
+      @blob.data
+    end
+
+    def lines
+      @lines ||= data ? data.split("\n", -1) : []
+    end
+
     def size
       @blob.size
     end
 
+    def loc
+      lines.size
+    end
+
+    def sloc
+      lines.grep(/\S/).size
+    end
+
     def submodule?
       defined?(Grit::Submodule) && @blob.kind_of?(Grit::Submodule)
     end

test/test_blob.rb

@@ -51,10 +51,22 @@ class TestBlob < Test::Unit::TestCase
     assert_equal "module Foo\nend\n", blob("foo.rb").data
   end
 
+  def test_lines
+    assert_equal ["module Foo", "end", ""], blob("foo.rb").lines
+  end
+
   def test_size
     assert_equal 15, blob("foo.rb").size
   end
 
+  def test_loc
+    assert_equal 3, blob("foo.rb").loc
+  end
+
+  def test_sloc
+    assert_equal 2, blob("foo.rb").sloc
+  end
+
   def test_binary
     assert blob("linguist.gem").binary?
     assert blob("git.deb").binary?