Add another way to recognize binary file names

Author: rtfpessoa

src/diff-parser.js

@@ -195,6 +195,8 @@
     var dissimilarityIndex = /^dissimilarity index (\d+)%/;
     var index = /^index ([0-9a-z]+)\.\.([0-9a-z]+)\s*(\d{6})?/;
 
+    var binaryFiles = /^Binary files (.*) and (.*) differ/;
+
     /* Combined Diff */
     var combinedIndex = /^index ([0-9a-z]+),([0-9a-z]+)\.\.([0-9a-z]+)/;
     var combinedMode = /^mode (\d{6}),(\d{6})\.\.(\d{6})/;
@@ -324,6 +326,10 @@
           currentFile.newName = values[1];
         }
         currentFile.isRename = true;
+      } else if ((values = binaryFiles.exec(line))) {
+        currentFile.isBinary = true;
+        currentFile.oldName = _getFilename(null, values[1], [config.srcPrefix]);
+        currentFile.newName = _getFilename(null, values[2], [config.dstPrefix]);
       } else if ((values = similarityIndex.exec(line))) {
         currentFile.unchangedPercentage = values[1];
       } else if ((values = dissimilarityIndex.exec(line))) {
@@ -383,7 +389,12 @@
   }
 
   function _getFilename(linePrefix, line, prefixes) {
-    var FilenameRegExp = new RegExp('^' + linePrefix + ' "?(.+?)"?$');
+    var FilenameRegExp;
+    if (linePrefix) {
+      FilenameRegExp = new RegExp('^' + linePrefix + ' "?(.+?)"?$');
+    } else {
+      FilenameRegExp = new RegExp('^"?(.+?)"?$');
+    }
 
     var filename;
     var values = FilenameRegExp.exec(line);

src/ui/js/diff2html-ui.js

@@ -33,7 +33,7 @@
     var cfg = config || {};
     cfg.inputFormat = 'json';
     var $target = this._getTarget(targetId);
-    $target.html(Diff2Html.getPrettyHtml(diffJson, cfg.inputFormat));
+    $target.html(Diff2Html.getPrettyHtml(diffJson, cfg));
 
     synchronisedScroll($target, cfg);
   };

test/diff-parser-tests.js

@@ -573,5 +573,53 @@ describe('DiffParser', function() {
       assert.deepEqual(linesContent,
         [' function foo() {', '-var bar = "Whoops!";', '+var baz = "Whoops!";', ' }', ' ']);
     });
+
+    it('should parse diff with prefix', function() {
+      var diff =
+        'diff --git "\tTest.scala" "\tScalaTest.scala"\n' +
+        'similarity index 88%\n' +
+        'rename from Test.scala\n' +
+        'rename to ScalaTest.scala\n' +
+        'index 7d1f9bf..8b13271 100644\n' +
+        '--- "\tTest.scala"\n' +
+        '+++ "\tScalaTest.scala"\n' +
+        '@@ -1,6 +1,8 @@\n' +
+        ' class Test {\n' +
+        ' \n' +
+        '   def method1 = ???\n' +
+        '+\n' +
+        '+  def method2 = ???\n' +
+        ' \n' +
+        '   def myMethod = ???\n' +
+        ' \n' +
+        '@@ -10,7 +12,6 @@ class Test {\n' +
+        ' \n' +
+        '   def + = ???\n' +
+        ' \n' +
+        '-  def |> = ???\n' +
+        ' \n' +
+        ' }\n' +
+        ' \n' +
+        'diff --git "\ttardis.png" "\ttardis.png"\n' +
+        'new file mode 100644\n' +
+        'index 0000000..d503a29\n' +
+        'Binary files /dev/null and "\ttardis.png" differ\n';
+
+      var result = DiffParser.generateDiffJson(diff, {'srcPrefix': '\t', 'dstPrefix': '\t'});
+      assert.equal(2, result.length);
+
+      var file1 = result[0];
+      assert.equal(2, file1.addedLines);
+      assert.equal(1, file1.deletedLines);
+      assert.equal('Test.scala', file1.oldName);
+      assert.equal('ScalaTest.scala', file1.newName);
+      assert.equal(2, file1.blocks.length);
+      assert.equal(8, file1.blocks[0].lines.length);
+      assert.equal(7, file1.blocks[1].lines.length);
+
+      var file2 = result[1];
+      assert.equal('/dev/null', file2.oldName);
+      assert.equal('tardis.png', file2.newName);
+    });
   });
 });