Fix: incompatible PtNode array size reading.

Bug: 11073222
Change-Id: I681be725b5c6dcc10aa536b00327698a7df75277

java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java

@@ -436,7 +436,7 @@ public final class BinaryDictDecoderUtils {
             final FormatOptions options) {
         dictDecoder.setPosition(headerSize);
         final int count = dictDecoder.readPtNodeCount();
-        int groupPos = headerSize + BinaryDictIOUtils.getPtNodeCountSize(count);
+        int groupPos = dictDecoder.getPosition();
         final StringBuilder builder = new StringBuilder();
         WeightedString result = null;
 
@@ -498,9 +498,9 @@ public final class BinaryDictDecoderUtils {
         do { // Scan the linked-list node.
             final int nodeArrayHeadPos = dictDecoder.getPosition();
             final int count = dictDecoder.readPtNodeCount();
-            int groupOffsetPos = nodeArrayHeadPos + BinaryDictIOUtils.getPtNodeCountSize(count);
+            int groupPos = dictDecoder.getPosition();
             for (int i = count; i > 0; --i) { // Scan the array of PtNode.
-                PtNodeInfo info = dictDecoder.readPtNode(groupOffsetPos, options);
+                PtNodeInfo info = dictDecoder.readPtNode(groupPos, options);
                 if (BinaryDictIOUtils.isMovedPtNode(info.mFlags, options)) continue;
                 ArrayList<WeightedString> shortcutTargets = info.mShortcutTargets;
                 ArrayList<WeightedString> bigrams = null;
@@ -536,7 +536,7 @@ public final class BinaryDictDecoderUtils {
                                     0 != (info.mFlags & FormatSpec.FLAG_IS_NOT_A_WORD),
                                     0 != (info.mFlags & FormatSpec.FLAG_IS_BLACKLISTED)));
                 }
-                groupOffsetPos = info.mEndAddress;
+                groupPos = info.mEndAddress;
             }
 
             // reach the end of the array.

java/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtils.java

@@ -87,7 +87,7 @@ public final class BinaryDictIOUtils {
 
             if (p.mNumOfPtNode == Position.NOT_READ_PTNODE_COUNT) {
                 p.mNumOfPtNode = dictDecoder.readPtNodeCount();
-                p.mAddress += getPtNodeCountSize(p.mNumOfPtNode);
+                p.mAddress = dictDecoder.getPosition();
                 p.mPosition = 0;
             }
             if (p.mNumOfPtNode == 0) {