Method copyBoardTextFrom

Rapfi/database/dbtypes.cpp:200–294

}

void DBRecord::copyBoardTextFrom(const DBRecord &rhs, bool overwrite)
{
    // If rhs has no board text, skip
    if (!rhs.hasBoardText())
        return;

    // If this has no board text, copy directly from rhs
    if (!hasBoardText()) {
        size_t boardTextSegmentSize = std::min(rhs.text.find('\b'), rhs.text.size());
        if (text.empty()) {
            text = std::string_view {text.data(), boardTextSegmentSize};
        }
        else {
            text.insert(0, rhs.text, 0, boardTextSegmentSize);
            text.insert(boardTextSegmentSize, "\b");
        }
    }

    // Merge board texts position by position
    std::map<Pos, std::string> boardTextToMerge;

    // Get all positions in rhs that have board text
    {
        size_t           boardTextSegmentSize = std::min(rhs.text.find('\b'), rhs.text.size());
        std::string_view boardTextSegment(rhs.text.data() + HeaderLength,
                                          boardTextSegmentSize - HeaderLength);
        for (std::string_view boardTextPair : split(boardTextSegment, "\n")) {
            if (boardTextPair.size() > 2) {
                Pos p {hexToCoord(boardTextPair[0]), hexToCoord(boardTextPair[1])};

                // Remove extra '\0' due to bug in early implementation
                if (boardTextPair.back() == '\0')
                    boardTextPair.remove_suffix(1);

                boardTextToMerge.emplace(p, boardTextPair);
            }
        }
    }

    std::string boardTextSegment = BoardTextHeader;
    size_t      boardTextCount   = 0;
    // Get all positions in this and remove either one according to overwrite flag
    {
        size_t           boardTextSegmentSize = std::min(text.find('\b'), text.size());
        std::string_view oldBoardTextSegment(text.data() + HeaderLength,
                                             boardTextSegmentSize - HeaderLength);

        for (std::string_view boardTextPair : split(oldBoardTextSegment, "\n")) {
            if (boardTextPair.size() <= 2)
                continue;

            Pos p {hexToCoord(boardTextPair[0]), hexToCoord(boardTextPair[1])};

            // Remove extra '\0' due to bug in early implementation
            if (boardTextPair.back() == '\0')
                boardTextPair.remove_suffix(1);

            if (auto it = boardTextToMerge.find(p); it != boardTextToMerge.end()) {