74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LATINIME_SHORTCUT_LIST_POLICY_H
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#define LATINIME_SHORTCUT_LIST_POLICY_H
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#include <cstdint>
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#include "defines.h"
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#include "dictionary/interface/dictionary_shortcuts_structure_policy.h"
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#include "dictionary/structure/pt_common/shortcut/shortcut_list_reading_utils.h"
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#include "utils/byte_array_view.h"
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namespace latinime {
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class ShortcutListPolicy : public DictionaryShortcutsStructurePolicy {
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public:
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explicit ShortcutListPolicy(const ReadOnlyByteArrayView buffer) : mBuffer(buffer) {}
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~ShortcutListPolicy() {}
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int getStartPos(const int pos) const {
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if (pos == NOT_A_DICT_POS) {
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return NOT_A_DICT_POS;
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}
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int listPos = pos;
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ShortcutListReadingUtils::getShortcutListSizeAndForwardPointer(mBuffer, &listPos);
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return listPos;
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}
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void getNextShortcut(const int maxCodePointCount, int *const outCodePoint,
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int *const outCodePointCount, bool *const outIsWhitelist, bool *const outHasNext,
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int *const pos) const {
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const ShortcutListReadingUtils::ShortcutFlags flags =
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ShortcutListReadingUtils::getFlagsAndForwardPointer(mBuffer, pos);
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if (outHasNext) {
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*outHasNext = ShortcutListReadingUtils::hasNext(flags);
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}
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if (outIsWhitelist) {
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*outIsWhitelist = ShortcutListReadingUtils::isWhitelist(flags);
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}
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if (outCodePoint) {
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*outCodePointCount = ShortcutListReadingUtils::readShortcutTarget(
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mBuffer, maxCodePointCount, outCodePoint, pos);
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}
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}
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void skipAllShortcuts(int *const pos) const {
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const int shortcutListSize = ShortcutListReadingUtils
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::getShortcutListSizeAndForwardPointer(mBuffer, pos);
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*pos += shortcutListSize;
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}
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(ShortcutListPolicy);
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const ReadOnlyByteArrayView mBuffer;
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};
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} // namespace latinime
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#endif // LATINIME_SHORTCUT_LIST_POLICY_H
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