Binary bigram lookup checks both uppercase and lowercase when previous word is uppercase.

Bug: 6363029
Change-Id: I71a1ed5b88f54fcc15bfaf89d3645b8f17ebb821

1 files changed, 17 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/StringUtils.java b/java/src/com/android/inputmethod/latin/StringUtils.java
index 160581cbe..a43b90525 100644
--- a/java/src/com/android/inputmethod/latin/StringUtils.java
+++ b/java/src/com/android/inputmethod/latin/StringUtils.java
@@ -123,6 +123,23 @@ public class StringUtils {
     }
 
     /**
+     * Returns true if cs contains any upper case characters.
+     *
+     * @param cs the CharSequence to check
+     * @return {@code true} if cs contains any upper case characters, {@code false} otherwise.
+     */
+    public static boolean hasUpperCase(final CharSequence cs) {
+        final int length = cs.length();
+        for (int i = 0, cp = 0; i < length; i += Character.charCount(cp)) {
+            cp = Character.codePointAt(cs, i);
+            if (Character.isUpperCase(cp)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
      * Remove duplicates from an array of strings.
      *
      * This method will always keep the first occurrence of all strings at their position