80 lines
3.2 KiB
C++
80 lines
3.2 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_DYNAMIC_PT_WRITING_UTILS_H
|
|
#define LATINIME_DYNAMIC_PT_WRITING_UTILS_H
|
|
|
|
#include <cstddef>
|
|
|
|
#include "defines.h"
|
|
#include "dictionary/structure/pt_common/dynamic_pt_reading_utils.h"
|
|
|
|
namespace latinime {
|
|
|
|
class BufferWithExtendableBuffer;
|
|
|
|
class DynamicPtWritingUtils {
|
|
public:
|
|
static const int NODE_FLAG_FIELD_SIZE;
|
|
|
|
static bool writeEmptyDictionary(BufferWithExtendableBuffer *const buffer, const int rootPos);
|
|
|
|
static bool writeForwardLinkPositionAndAdvancePosition(
|
|
BufferWithExtendableBuffer *const buffer, const int forwardLinkPos,
|
|
int *const forwardLinkFieldPos);
|
|
|
|
static bool writePtNodeArraySizeAndAdvancePosition(BufferWithExtendableBuffer *const buffer,
|
|
const size_t arraySize, int *const arraySizeFieldPos);
|
|
|
|
static bool writeFlags(BufferWithExtendableBuffer *const buffer,
|
|
const DynamicPtReadingUtils::NodeFlags nodeFlags,
|
|
const int nodeFlagsFieldPos) {
|
|
int writingPos = nodeFlagsFieldPos;
|
|
return writeFlagsAndAdvancePosition(buffer, nodeFlags, &writingPos);
|
|
}
|
|
|
|
static bool writeFlagsAndAdvancePosition(BufferWithExtendableBuffer *const buffer,
|
|
const DynamicPtReadingUtils::NodeFlags nodeFlags,
|
|
int *const nodeFlagsFieldPos);
|
|
|
|
static bool writeParentPosOffsetAndAdvancePosition(BufferWithExtendableBuffer *const buffer,
|
|
const int parentPosition, const int basePos, int *const parentPosFieldPos);
|
|
|
|
static bool writeCodePointsAndAdvancePosition(BufferWithExtendableBuffer *const buffer,
|
|
const int *const codePoints, const int codePointCount, int *const codePointFieldPos);
|
|
|
|
static bool writeChildrenPositionAndAdvancePosition(BufferWithExtendableBuffer *const buffer,
|
|
const int childrenPosition, int *const childrenPositionFieldPos);
|
|
|
|
private:
|
|
DISALLOW_IMPLICIT_CONSTRUCTORS(DynamicPtWritingUtils);
|
|
|
|
static const size_t MAX_PTNODE_ARRAY_SIZE_TO_USE_SMALL_SIZE_FIELD;
|
|
static const size_t MAX_PTNODE_ARRAY_SIZE;
|
|
static const int SMALL_PTNODE_ARRAY_SIZE_FIELD_SIZE;
|
|
static const int LARGE_PTNODE_ARRAY_SIZE_FIELD_SIZE;
|
|
static const int LARGE_PTNODE_ARRAY_SIZE_FIELD_SIZE_FLAG;
|
|
static const int DICT_OFFSET_FIELD_SIZE;
|
|
static const int MAX_DICT_OFFSET_VALUE;
|
|
static const int MIN_DICT_OFFSET_VALUE;
|
|
static const int DICT_OFFSET_NEGATIVE_FLAG;
|
|
|
|
static bool writeDictOffset(BufferWithExtendableBuffer *const buffer, const int targetPos,
|
|
const int basePos, int *const offsetFieldPos);
|
|
};
|
|
} // namespace latinime
|
|
#endif /* LATINIME_DYNAMIC_PT_WRITING_UTILS_H */
|