Clean up and fix subtitle parsing a bit.

[libdcp.git] / src / util.cc

diff --git a/src/util.cc b/src/util.cc
index fd76e556b464d32520417ca5c664fc4ac0a929c7..913b8b507175829e90999fed8a71e374dcaced1d 100644 (file)
--- a/src/util.cc
+++ b/src/util.cc
@@ -252,3 +252,15 @@ libdcp::xyz_to_rgb (opj_image_t* xyz_frame)
 
        return argb_frame;
 }
+
+bool
+libdcp::empty_or_white_space (string s)
+{
+       for (size_t i = 0; i < s.length(); ++i) {
+               if (s[i] != ' ' && s[i] != '\n' && s[i] != '\t') {
+                       return false;
+               }
+       }
+
+       return true;
+}