Use reference instead of pointer for WordProperty().

Change-Id: Idf03e97661d64186c752e35964d641a5528be5b1
diff --git a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
index 118f600..2769de8 100644
--- a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
+++ b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
@@ -586,7 +586,7 @@
         }
         if (!dictionaryStructureWithBufferPolicy->addUnigramEntry(
                 CodePointArrayView(wordCodePoints, wordCodePointCount),
-                wordProperty.getUnigramProperty())) {
+                &wordProperty.getUnigramProperty())) {
             LogUtils::logToJava(env, "Cannot add unigram to the new dict.");
             return false;
         }
@@ -605,7 +605,7 @@
                 return false;
             }
         }
-        for (const NgramProperty &ngramProperty : *wordProperty.getNgramProperties()) {
+        for (const NgramProperty &ngramProperty : wordProperty.getNgramProperties()) {
             if (!dictionaryStructureWithBufferPolicy->addNgramEntry(&ngramProperty)) {
                 LogUtils::logToJava(env, "Cannot add ngram to the new dict.");
                 return false;
diff --git a/native/jni/src/suggest/core/dictionary/property/word_property.h b/native/jni/src/suggest/core/dictionary/property/word_property.h
index b5314fa..d4db3f0 100644
--- a/native/jni/src/suggest/core/dictionary/property/word_property.h
+++ b/native/jni/src/suggest/core/dictionary/property/word_property.h
@@ -23,6 +23,7 @@
 #include "jni.h"
 #include "suggest/core/dictionary/property/ngram_property.h"
 #include "suggest/core/dictionary/property/unigram_property.h"
+#include "utils/int_array_view.h"
 
 namespace latinime {
 
@@ -33,10 +34,10 @@
     WordProperty()
             : mCodePoints(), mUnigramProperty(), mNgrams() {}
 
-    WordProperty(const std::vector<int> &&codePoints, const UnigramProperty *const unigramProperty,
-            const std::vector<NgramProperty> *const ngrams)
-            : mCodePoints(std::move(codePoints)), mUnigramProperty(*unigramProperty),
-              mNgrams(*ngrams) {}
+    WordProperty(const std::vector<int> &&codePoints, const UnigramProperty &unigramProperty,
+            const std::vector<NgramProperty> &ngrams)
+            : mCodePoints(std::move(codePoints)), mUnigramProperty(unigramProperty),
+              mNgrams(ngrams) {}
 
     void outputProperties(JNIEnv *const env, jintArray outCodePoints, jbooleanArray outFlags,
             jintArray outProbabilityInfo, jobject outNgramPrevWordsArray,
@@ -44,12 +45,16 @@
             jobject outNgramProbabilities, jobject outShortcutTargets,
             jobject outShortcutProbabilities) const;
 
-    const UnigramProperty *getUnigramProperty() const {
-        return &mUnigramProperty;
+    const CodePointArrayView getCodePoints() const {
+        return CodePointArrayView(mCodePoints);
     }
 
-    const std::vector<NgramProperty> *getNgramProperties() const {
-        return &mNgrams;
+    const UnigramProperty &getUnigramProperty() const {
+        return mUnigramProperty;
+    }
+
+    const std::vector<NgramProperty> &getNgramProperties() const {
+        return mNgrams;
     }
 
  private:
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/ver4_patricia_trie_policy.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/ver4_patricia_trie_policy.cpp
index 9455222..ca7d93b 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/ver4_patricia_trie_policy.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/ver4_patricia_trie_policy.cpp
@@ -614,7 +614,7 @@
     const UnigramProperty unigramProperty(ptNodeParams.representsBeginningOfSentence(),
             ptNodeParams.isNotAWord(), ptNodeParams.isPossiblyOffensive(),
             ptNodeParams.getProbability(), *historicalInfo, std::move(shortcuts));
-    return WordProperty(wordCodePoints.toVector(), &unigramProperty, &ngrams);
+    return WordProperty(wordCodePoints.toVector(), unigramProperty, ngrams);
 }
 
 int Ver4PatriciaTriePolicy::getNextWordAndNextToken(const int token, int *const outCodePoints,
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp
index 5987361..1a51aca 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp
@@ -478,7 +478,7 @@
     const UnigramProperty unigramProperty(ptNodeParams.representsBeginningOfSentence(),
             ptNodeParams.isNotAWord(), ptNodeParams.isPossiblyOffensive(),
             ptNodeParams.getProbability(), HistoricalInfo(), std::move(shortcuts));
-    return WordProperty(wordCodePoints.toVector(), &unigramProperty, &ngrams);
+    return WordProperty(wordCodePoints.toVector(), unigramProperty, ngrams);
 }
 
 int PatriciaTriePolicy::getNextWordAndNextToken(const int token, int *const outCodePoints,
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
index 1992d4a..7449cd0 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
@@ -560,7 +560,7 @@
             wordAttributes.isNotAWord(), wordAttributes.isBlacklisted(),
             wordAttributes.isPossiblyOffensive(), wordAttributes.getProbability(),
             *historicalInfo, std::move(shortcuts));
-    return WordProperty(wordCodePoints.toVector(), &unigramProperty, &ngrams);
+    return WordProperty(wordCodePoints.toVector(), unigramProperty, ngrams);
 }
 
 int Ver4PatriciaTriePolicy::getNextWordAndNextToken(const int token, int *const outCodePoints,