Function parseCSV

src/e9tool/e9csv.cpp:226–260

* Parse a CSV file. */

 * Parse a CSV file.
 */
static void parseCSV(const char *filename, Data &data)
{
    FILE *stream = fopen(filename, "r");
    if (stream == nullptr)
        error("failed to open CSV file \"%s\" for reading: %s", filename,
            strerror(errno));

    CSV csv = {stream, filename, -1, 0};
    while (true)
    {
        Record record;
        if (!parseRecord(csv, record))
            break;
        if (csv.length < 0)
            csv.length = (unsigned)record.size();
        else if ((unsigned)record.size() != (unsigned)csv.length)
            error("failed to parse CSV file \"%s\" at line %u; record with "
                "invalid length %zu (expected %u)", csv.filename,
                csv.lineno, record.size(), csv.length);
        MatchVal &addr = record[0];
        if (addr.type != MATCH_TYPE_INTEGER)
            error("failed to parse CSV file \"%s\" at line %u; first record "
                "entry must be an address", csv.filename, csv.lineno);
        auto r = data.emplace(std::piecewise_construct,
            std::make_tuple(addr.i), std::make_tuple());
        if (!r.second)
            error("failed to parse CSV file \"%s\" at line %u; duplicate "
                "record with address 0x%lx", csv.filename, csv.lineno,
                addr);
        record.shrink_to_fit();
        record.swap(r.first->second);
    }

    fclose(stream);
}

/*
 * Lookup a value from a CSV file.