Almost done diff page

modules/base/template.go

@@ -70,5 +70,6 @@ var TemplateFuncs template.FuncMap = map[string]interface{}{
 	"SubStr": func(str string, start, length int) string {
 		return str[start : start+length]
 	},
-	"DiffTypeToStr": DiffTypeToStr,
+	"DiffTypeToStr":     DiffTypeToStr,
+	"DiffLineTypeToStr": DiffLineTypeToStr,
 }

modules/base/tool.go

@@ -552,3 +552,15 @@ func DiffTypeToStr(diffType int) string {
 		return "unknown"
 	}
 }
+
+func DiffLineTypeToStr(diffType int) string {
+	switch diffType {
+	case 2:
+		return "add"
+	case 3:
+		return "del"
+	case 4:
+		return "tag"
+	}
+	return "same"
+}