Add spellcheck and word suggestion to the prediction service

third_party/android_prediction/suggest/core/dicnode/internal/dic_node_state.h

Index: third_party/android_prediction/suggest/core/dicnode/internal/dic_node_state.h
diff --git a/third_party/android_prediction/suggest/core/dicnode/internal/dic_node_state.h b/third_party/android_prediction/suggest/core/dicnode/internal/dic_node_state.h
new file mode 100644
index 0000000000000000000000000000000000000000..6f7e721a71c9c2820e6f03f52d27cabe6e39dd4a
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+++ b/third_party/android_prediction/suggest/core/dicnode/internal/dic_node_state.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LATINIME_DIC_NODE_STATE_H
+#define LATINIME_DIC_NODE_STATE_H
+
+#include "third_party/android_prediction/defines.h"
+#include "third_party/android_prediction/suggest/core/dicnode/internal/dic_node_state_input.h"
+#include "third_party/android_prediction/suggest/core/dicnode/internal/dic_node_state_output.h"
+#include "third_party/android_prediction/suggest/core/dicnode/internal/dic_node_state_scoring.h"
+
+namespace latinime {
+
+class DicNodeState {
+ public:
+    DicNodeStateInput mDicNodeStateInput;
+    DicNodeStateOutput mDicNodeStateOutput;
+    DicNodeStateScoring mDicNodeStateScoring;
+
+    AK_FORCE_INLINE DicNodeState()
+            : mDicNodeStateInput(), mDicNodeStateOutput(), mDicNodeStateScoring() {}
+
+    ~DicNodeState() {}
+
+    DicNodeState &operator=(const DicNodeState& src) {
+        initByCopy(&src);
+        return *this;
+    }
+
+    DicNodeState(const DicNodeState& src)
+            : mDicNodeStateInput(), mDicNodeStateOutput(), mDicNodeStateScoring() {
+        initByCopy(&src);
+    }
+
+    // Init for root
+    void init() {
+        mDicNodeStateInput.init();
+        mDicNodeStateOutput.init();
+        mDicNodeStateScoring.init();
+    }
+
+    // Init with previous word.
+    void initAsRootWithPreviousWord(const DicNodeState *prevWordDicNodeState,
+            const int prevWordCodePointCount) {
+        mDicNodeStateOutput.init(&prevWordDicNodeState->mDicNodeStateOutput);
+        mDicNodeStateInput.init(
+                &prevWordDicNodeState->mDicNodeStateInput, true /* resetTerminalDiffCost */);
+        mDicNodeStateScoring.initByCopy(&prevWordDicNodeState->mDicNodeStateScoring);
+    }
+
+    // Init by copy
+    AK_FORCE_INLINE void initByCopy(const DicNodeState *const src) {
+        mDicNodeStateInput.initByCopy(&src->mDicNodeStateInput);
+        mDicNodeStateOutput.initByCopy(&src->mDicNodeStateOutput);
+        mDicNodeStateScoring.initByCopy(&src->mDicNodeStateScoring);
+    }
+
+    // Init by copy and adding merged node code points.
+    void init(const DicNodeState *const src, const uint16_t mergedNodeCodePointCount,
+            const int *const mergedNodeCodePoints) {
+        initByCopy(src);
+        mDicNodeStateOutput.addMergedNodeCodePoints(
+                mergedNodeCodePointCount, mergedNodeCodePoints);
+    }
+};
+} // namespace latinime
+#endif // LATINIME_DIC_NODE_STATE_H