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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef LATINIME_BINARY_DICTIONARY_SHORTCUT_ITERATOR_H
     18 #define LATINIME_BINARY_DICTIONARY_SHORTCUT_ITERATOR_H
     19 
     20 #include "defines.h"
     21 #include "suggest/core/policy/dictionary_shortcuts_structure_policy.h"
     22 
     23 namespace latinime {
     24 
     25 class BinaryDictionaryShortcutIterator {
     26  public:
     27     BinaryDictionaryShortcutIterator(
     28             const DictionaryShortcutsStructurePolicy *const shortcutStructurePolicy,
     29             const int shortcutPos)
     30             : mShortcutStructurePolicy(shortcutStructurePolicy),
     31               mPos(shortcutStructurePolicy->getStartPos(shortcutPos)),
     32               mHasNextShortcutTarget(shortcutPos != NOT_A_DICT_POS) {}
     33 
     34     AK_FORCE_INLINE bool hasNextShortcutTarget() const {
     35         return mHasNextShortcutTarget;
     36     }
     37 
     38     // Gets the shortcut target itself as an int string and put it to outTarget, put its length
     39     // to outTargetLength, put whether it is whitelist to outIsWhitelist.
     40     AK_FORCE_INLINE void nextShortcutTarget(
     41             const int maxDepth, int *const outTarget, int *const outTargetLength,
     42             bool *const outIsWhitelist) {
     43         mShortcutStructurePolicy->getNextShortcut(maxDepth, outTarget, outTargetLength,
     44                 outIsWhitelist, &mHasNextShortcutTarget, &mPos);
     45     }
     46 
     47  private:
     48     DISALLOW_IMPLICIT_CONSTRUCTORS(BinaryDictionaryShortcutIterator);
     49 
     50     const DictionaryShortcutsStructurePolicy *const mShortcutStructurePolicy;
     51     int mPos;
     52     bool mHasNextShortcutTarget;
     53 };
     54 } // namespace latinime
     55 #endif // LATINIME_BINARY_DICTIONARY_SHORTCUT_ITERATOR_H
     56