positioncodec.cpp

/*
    This file is part of the KDE Baloo Project
    SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org>
 
    SPDX-License-Identifier: LGPL-2.1-or-later
*/
 
#include "positioncodec.h"
#include "positioninfo.h"
#include "coding.h"
 
using namespace Baloo;
 
QByteArray PositionCodec::encode(const QVector<PositionInfo>& list)
{
    QByteArray data;
    QByteArray temporaryStorage;
 
    for (const PositionInfo& pos : list) {
        putFixed64(&data, pos.docId);
        putDifferentialVarInt32(temporaryStorage, &data, pos.positions);
   }
 
    return data;
}
 
QVector<PositionInfo> PositionCodec::decode(const QByteArray& arr)
{
    char* data = const_cast<char*>(arr.data());
    char* end = data + arr.size();
 
    QVector<PositionInfo> vec;
    while (data < end) {
        PositionInfo info;
 
        info.docId = decodeFixed64(data);
        data += sizeof(quint64);
        data = getDifferentialVarInt32(data, end, &info.positions);
        if (!data) {
            return QVector<PositionInfo>();
        }
 
        vec << info;
    }
 
    return vec;
}