Correctly read the header of APK-embedded dicts

Bug: 13164518
Change-Id: I8768ad887af8b89ad9f29637f606c3c68629c7ca

1 files changed, 11 insertions, 7 deletions

diff --git a/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java b/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
index c7635eff9..9abecbfec 100644
--- a/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
+++ b/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
@@ -326,30 +326,34 @@ public final class FormatSpec {
      * Returns new dictionary decoder.
      *
      * @param dictFile the dictionary file.
+     * @param offset the offset in the file.
+     * @param length the length of the file, in bytes.
      * @param bufferType The type of buffer, as one of USE_* in DictDecoder.
      * @return new dictionary decoder if the dictionary file exists, otherwise null.
      */
-    public static DictDecoder getDictDecoder(final File dictFile, final int bufferType) {
+    public static DictDecoder getDictDecoder(final File dictFile, final long offset,
+            final long length, final int bufferType) {
         if (dictFile.isDirectory()) {
             return new Ver4DictDecoder(dictFile, bufferType);
         } else if (dictFile.isFile()) {
-            return new Ver2DictDecoder(dictFile, bufferType);
+            return new Ver2DictDecoder(dictFile, offset, length, bufferType);
         }
         return null;
     }
 
-    public static DictDecoder getDictDecoder(final File dictFile,
-            final DictionaryBufferFactory factory) {
+    public static DictDecoder getDictDecoder(final File dictFile, final long offset,
+            final long length, final DictionaryBufferFactory factory) {
         if (dictFile.isDirectory()) {
             return new Ver4DictDecoder(dictFile, factory);
         } else if (dictFile.isFile()) {
-            return new Ver2DictDecoder(dictFile, factory);
+            return new Ver2DictDecoder(dictFile, offset, length, factory);
         }
         return null;
     }
 
-    public static DictDecoder getDictDecoder(final File dictFile) {
-        return getDictDecoder(dictFile, DictDecoder.USE_READONLY_BYTEBUFFER);
+    public static DictDecoder getDictDecoder(final File dictFile, final long offset,
+            final long length) {
+        return getDictDecoder(dictFile, offset, length, DictDecoder.USE_READONLY_BYTEBUFFER);
     }
 
     private FormatSpec() {