Add method to get dictionary flags from DicTraverseSession

This is needed for the traversal algorithm to know which
digraphs (if any) are associated with the current dictionary.

Bug: 8493920

Change-Id: I6ae088b55e50c0c2c7066d045b304c5068e23390
diff --git a/native/jni/src/dictionary.cpp b/native/jni/src/dictionary.cpp
index ed6ddb5..c998c06 100644
--- a/native/jni/src/dictionary.cpp
+++ b/native/jni/src/dictionary.cpp
@@ -103,4 +103,9 @@
 bool Dictionary::isValidBigram(const int *word1, int length1, const int *word2, int length2) const {
     return mBigramDictionary->isValidBigram(word1, length1, word2, length2);
 }
+
+int Dictionary::getDictFlags() const {
+    return mUnigramDictionary->getDictFlags();
+}
+
 } // namespace latinime
diff --git a/native/jni/src/dictionary.h b/native/jni/src/dictionary.h
index 8c6a7de..0653d3c 100644
--- a/native/jni/src/dictionary.h
+++ b/native/jni/src/dictionary.h
@@ -63,6 +63,7 @@
     int getDictSize() const { return mDictSize; }
     int getMmapFd() const { return mMmapFd; }
     int getDictBufAdjust() const { return mDictBufAdjust; }
+    int getDictFlags() const;
     virtual ~Dictionary();
 
  private:
diff --git a/native/jni/src/suggest/core/session/dic_traverse_session.cpp b/native/jni/src/suggest/core/session/dic_traverse_session.cpp
index ef6616e..5b783a2 100644
--- a/native/jni/src/suggest/core/session/dic_traverse_session.cpp
+++ b/native/jni/src/suggest/core/session/dic_traverse_session.cpp
@@ -84,6 +84,10 @@
     return mDictionary->getOffsetDict();
 }
 
+int DicTraverseSession::getDictFlags() const {
+    return mDictionary->getDictFlags();
+}
+
 void DicTraverseSession::resetCache(const int nextActiveCacheSize, const int maxWords) {
     mDicNodesCache.reset(nextActiveCacheSize, maxWords);
     mBigramCacheMap.clear();
diff --git a/native/jni/src/suggest/core/session/dic_traverse_session.h b/native/jni/src/suggest/core/session/dic_traverse_session.h
index 62e1d1a..525d198 100644
--- a/native/jni/src/suggest/core/session/dic_traverse_session.h
+++ b/native/jni/src/suggest/core/session/dic_traverse_session.h
@@ -53,7 +53,7 @@
     void resetCache(const int nextActiveCacheSize, const int maxWords);
 
     const uint8_t *getOffsetDict() const;
-    bool canUseCache() const;
+    int getDictFlags() const;
 
     //--------------------
     // getters and setters
diff --git a/native/jni/src/unigram_dictionary.cpp b/native/jni/src/unigram_dictionary.cpp
index 33795ca..a672294 100644
--- a/native/jni/src/unigram_dictionary.cpp
+++ b/native/jni/src/unigram_dictionary.cpp
@@ -32,9 +32,9 @@
 namespace latinime {
 
 // TODO: check the header
-UnigramDictionary::UnigramDictionary(const uint8_t *const streamStart, const unsigned int flags)
+UnigramDictionary::UnigramDictionary(const uint8_t *const streamStart, const unsigned int dictFlags)
         : DICT_ROOT(streamStart), ROOT_POS(0),
-          MAX_DIGRAPH_SEARCH_DEPTH(DEFAULT_MAX_DIGRAPH_SEARCH_DEPTH), FLAGS(flags) {
+          MAX_DIGRAPH_SEARCH_DEPTH(DEFAULT_MAX_DIGRAPH_SEARCH_DEPTH), DICT_FLAGS(dictFlags) {
     if (DEBUG_DICT) {
         AKLOGI("UnigramDictionary - constructor");
     }
@@ -163,7 +163,7 @@
     masterCorrection.resetCorrection();
     const DigraphUtils::digraph_t *digraphs = 0;
     const int digraphsSize =
-            DigraphUtils::getAllDigraphsForDictionaryAndReturnSize(FLAGS, &digraphs);
+            DigraphUtils::getAllDigraphsForDictionaryAndReturnSize(DICT_FLAGS, &digraphs);
     if (digraphsSize > 0)
     { // Incrementally tune the word and try all possibilities
         int codesBuffer[sizeof(*inputCodePoints) * inputSize];
diff --git a/native/jni/src/unigram_dictionary.h b/native/jni/src/unigram_dictionary.h
index 1a01758..a64a539 100644
--- a/native/jni/src/unigram_dictionary.h
+++ b/native/jni/src/unigram_dictionary.h
@@ -38,7 +38,7 @@
     static const int FLAG_MULTIPLE_SUGGEST_ABORT = 0;
     static const int FLAG_MULTIPLE_SUGGEST_SKIP = 1;
     static const int FLAG_MULTIPLE_SUGGEST_CONTINUE = 2;
-    UnigramDictionary(const uint8_t *const streamStart, const unsigned int flags);
+    UnigramDictionary(const uint8_t *const streamStart, const unsigned int dictFlags);
     int getProbability(const int *const inWord, const int length) const;
     int getBigramPosition(int pos, int *word, int offset, int length) const;
     int getSuggestions(ProximityInfo *proximityInfo, const int *xcoordinates,
@@ -46,6 +46,7 @@
             const std::map<int, int> *bigramMap, const uint8_t *bigramFilter,
             const bool useFullEditDistance, int *outWords, int *frequencies,
             int *outputTypes) const;
+    int getDictFlags() const { return DICT_FLAGS; }
     virtual ~UnigramDictionary();
 
  private:
@@ -109,7 +110,7 @@
     const uint8_t *const DICT_ROOT;
     const int ROOT_POS;
     const int MAX_DIGRAPH_SEARCH_DEPTH;
-    const int FLAGS;
+    const int DICT_FLAGS;
 };
 } // namespace latinime
 #endif // LATINIME_UNIGRAM_DICTIONARY_H