| 1 | /* |
|---|---|
| 2 | This file is part of the KDE Baloo Project |
| 3 | SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org> |
| 4 | |
| 5 | SPDX-License-Identifier: LGPL-2.1-or-later |
| 6 | */ |
| 7 | |
| 8 | #include "positioncodec.h" |
| 9 | #include "positioninfo.h" |
| 10 | #include "coding.h" |
| 11 | |
| 12 | using namespace Baloo; |
| 13 | |
| 14 | QByteArray PositionCodec::encode(const QVector<PositionInfo>& list) |
| 15 | { |
| 16 | QByteArray data; |
| 17 | QByteArray temporaryStorage; |
| 18 | |
| 19 | for (const PositionInfo& pos : list) { |
| 20 | putFixed64(dst: &data, value: pos.docId); |
| 21 | putDifferentialVarInt32(temporaryStorage, dst: &data, values: pos.positions); |
| 22 | } |
| 23 | |
| 24 | return data; |
| 25 | } |
| 26 | |
| 27 | QVector<PositionInfo> PositionCodec::decode(const QByteArray& arr) |
| 28 | { |
| 29 | char* data = const_cast<char*>(arr.data()); |
| 30 | char* end = data + arr.size(); |
| 31 | |
| 32 | QVector<PositionInfo> vec; |
| 33 | while (data < end) { |
| 34 | PositionInfo info; |
| 35 | |
| 36 | info.docId = decodeFixed64(ptr: data); |
| 37 | data += sizeof(quint64); |
| 38 | data = getDifferentialVarInt32(input: data, limit: end, values: &info.positions); |
| 39 | if (!data) { |
| 40 | return QVector<PositionInfo>(); |
| 41 | } |
| 42 | |
| 43 | vec << info; |
| 44 | } |
| 45 | |
| 46 | return vec; |
| 47 | } |
| 48 |