Add spellcheck and word suggestion to the prediction service

third_party/prediction/suggest/policyimpl/dictionary/structure/v4/content/shortcut_dict_content.h

Index: third_party/prediction/suggest/policyimpl/dictionary/structure/v4/content/shortcut_dict_content.h
diff --git a/third_party/prediction/suggest/policyimpl/dictionary/structure/v4/content/shortcut_dict_content.h b/third_party/prediction/suggest/policyimpl/dictionary/structure/v4/content/shortcut_dict_content.h
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index 0000000000000000000000000000000000000000..8b131c4a34116e818dc71cc6ba17351ea0521df4
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+/*
+ * Copyright (C) 2013, 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_SHORTCUT_DICT_CONTENT_H
+#define LATINIME_SHORTCUT_DICT_CONTENT_H
+
+#include <cstdint>
+#include <cstdio>
+
+#include "third_party/prediction/defines.h"
+#include "third_party/prediction/suggest/policyimpl/dictionary/structure/v4/content/sparse_table_dict_content.h"
+#include "third_party/prediction/suggest/policyimpl/dictionary/structure/v4/content/terminal_position_lookup_table.h"
+#include "third_party/prediction/suggest/policyimpl/dictionary/structure/v4/ver4_dict_constants.h"
+
+namespace latinime {
+
+class ShortcutDictContent : public SparseTableDictContent {
+ public:
+  ShortcutDictContent(uint8_t* const* buffers, const int* bufferSizes)
+      : SparseTableDictContent(
+            buffers,
+            bufferSizes,
+            Ver4DictConstants::SHORTCUT_ADDRESS_TABLE_BLOCK_SIZE,
+            Ver4DictConstants::SHORTCUT_ADDRESS_TABLE_DATA_SIZE) {}
+
+  ShortcutDictContent()
+      : SparseTableDictContent(
+            Ver4DictConstants::SHORTCUT_ADDRESS_TABLE_BLOCK_SIZE,
+            Ver4DictConstants::SHORTCUT_ADDRESS_TABLE_DATA_SIZE) {}
+
+  void getShortcutEntry(const int maxCodePointCount,
+                        int* const outCodePoint,
+                        int* const outCodePointCount,
+                        int* const outProbability,
+                        bool* const outhasNext,
+                        const int shortcutEntryPos) {
+    int readingPos = shortcutEntryPos;
+    return getShortcutEntryAndAdvancePosition(maxCodePointCount, outCodePoint,
+                                              outCodePointCount, outProbability,
+                                              outhasNext, &readingPos);
+  }
+
+  void getShortcutEntryAndAdvancePosition(const int maxCodePointCount,
+                                          int* const outCodePoint,
+                                          int* const outCodePointCount,
+                                          int* const outProbability,
+                                          bool* const outhasNext,
+                                          int* const shortcutEntryPos) const;
+
+  // Returns head position of shortcut list for a PtNode specified by
+  // terminalId.
+  int getShortcutListHeadPos(const int terminalId) const;
+
+  bool flushToFile(FILE* const file) const { return flush(file); }
+
+  bool runGC(
+      const TerminalPositionLookupTable::TerminalIdMap* const terminalIdMap,
+      const ShortcutDictContent* const originalShortcutDictContent);
+
+  bool createNewShortcutList(const int terminalId);
+
+  bool copyShortcutList(const int shortcutListPos, const int toPos);
+
+  bool setProbability(const int probability, const int shortcutEntryPos);
+
+  bool writeShortcutEntry(const int* const codePoint,
+                          const int codePointCount,
+                          const int probability,
+                          const bool hasNext,
+                          const int shortcutEntryPos) {
+    int writingPos = shortcutEntryPos;
+    return writeShortcutEntryAndAdvancePosition(
+        codePoint, codePointCount, probability, hasNext, &writingPos);
+  }
+
+  bool writeShortcutEntryAndAdvancePosition(const int* const codePoint,
+                                            const int codePointCount,
+                                            const int probability,
+                                            const bool hasNext,
+                                            int* const shortcutEntryPos);
+
+  int findShortcutEntryAndGetPos(const int shortcutListPos,
+                                 const int* const targetCodePointsToFind,
+                                 const int codePointCount) const;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShortcutDictContent);
+
+  bool copyShortcutListFromDictContent(
+      const int shortcutListPos,
+      const ShortcutDictContent* const sourceShortcutDictContent,
+      const int toPos);
+
+  int createAndGetShortcutFlags(const int probability,
+                                const bool hasNext) const;
+};
+}  // namespace latinime
+#endif /* LATINIME_SHORTCUT_DICT_CONTENT_H */