Method parse

src/core/CtyDatParser.cpp:65–149

--------------------------------------------------------------------------- cty.dat parser Format: Entity Name: CQ: ITU: Continent: lat: lon: tz: PrimaryPrefix: alias1,alias2,=EXACT1,=EXACT2; Alias tokens may have zone overrides in () or [] which we strip. Tokens starting with '=' are exact callsign matches. ---------------------------------------------------------------------------

// Tokens starting with '=' are exact callsign matches.
// ---------------------------------------------------------------------------
void CtyDatParser::parse(const QStringList& lines)
{
    m_exactMatch.clear();
    m_prefixTable.clear();
    m_entityByPrefix.clear();
    m_maxPrefixLen = 0;

    // We accumulate alias lines until we hit a new entity header.
    DxccEntity current;
    bool inEntity = false;
    QString aliasBuffer;

    auto commitEntity = [&]() {
        if (!inEntity || current.primaryPrefix.isEmpty())
            return;

        m_entityByPrefix.insert(current.primaryPrefix, current);

        // Register primary prefix itself
        m_prefixTable.insert(current.primaryPrefix, current.primaryPrefix);
        m_maxPrefixLen = std::max(m_maxPrefixLen, (int)current.primaryPrefix.length());

        // Parse accumulated alias buffer
        QString buf = aliasBuffer;
        buf.remove('\n');
        buf.remove('\r');
        // Remove trailing semicolon
        buf = buf.trimmed();
        if (buf.endsWith(';')) buf.chop(1);

        const QStringList tokens = buf.split(',', Qt::SkipEmptyParts);
        for (const QString& raw : tokens) {
            const QString tok = raw.trimmed();
            if (tok.isEmpty()) continue;

            if (tok.startsWith('=')) {
                // Exact match
                const QString exact = cleanPrefix(tok.mid(1)).toUpper();
                if (!exact.isEmpty())
                    m_exactMatch.insert(exact, current.primaryPrefix);
            } else {
                // Prefix
                const QString pfx = cleanPrefix(tok).toUpper();
                if (!pfx.isEmpty()) {
                    m_prefixTable.insert(pfx, current.primaryPrefix);
                    m_maxPrefixLen = std::max(m_maxPrefixLen, (int)pfx.length());
                }
            }
        }
    };

    // Regex for header line: "Entity Name:  CQ:  ITU:  Cont:  lat:  lon:  tz:  Prefix:"
    // Fields are colon-separated on the first line.
    static const QRegularExpression headerRe(
        R"(^([^:]+):\s*(\d+):\s*(\d+):\s*(\w+):\s*[\d\.\-]+:\s*[\d\.\-]+:\s*[\d\.\-]+:\s*([^:]+):)");

    for (const QString& line : lines) {
        // Header line — doesn't start with whitespace