LatinIME/native/jni/src/dictionary/structure/v4/content/shortcut_dict_content.h

93 lines
3.7 KiB
C++

/*
* 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 <cstdio>
#include "defines.h"
#include "dictionary/structure/v4/content/sparse_table_dict_content.h"
#include "dictionary/structure/v4/content/terminal_position_lookup_table.h"
#include "dictionary/structure/v4/ver4_dict_constants.h"
namespace latinime {
class ReadWriteByteArrayView;
class ShortcutDictContent : public SparseTableDictContent {
public:
ShortcutDictContent(const ReadWriteByteArrayView *const buffers)
: SparseTableDictContent(buffers, 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 */