explicit ContigPair(LineBuffer &source)
: count(0)
{
auto const line = source.get();
if (line.first == nullptr) return;
auto n = 0;
for (auto i = line.first, end = i; ; ++end) {
if (end == line.second || *end == '\t') {
switch (n) {
case 0:
first.ref = unsigned(references[std::string(i, end)]);
break;
case 1:
if (!string_to_i(first.start, i, end)) goto CONVERSION_ERROR;
break;
case 2:
if (!string_to_i(first.end, i, end)) goto CONVERSION_ERROR;
break;
case 3:
second.ref = unsigned(references[std::string(i, end)]);
break;
case 4:
if (!string_to_i(second.start, i, end)) goto CONVERSION_ERROR;
break;
case 5:
if (!string_to_i(second.end, i, end)) goto CONVERSION_ERROR;
break;
case 6:
group = unsigned(groups[std::string(i, end)]);
break;
case 7:
std::cerr << "extra data in record: " << std::string(line.first, line.second) << std::endl;
return;
}
++n;
if (end == line.second)
break;
i = end + 1;
}
}
if (n < 6) {
std::cerr << "truncated record: " << std::string(line.first, line.second) << std::endl;
return;
}
if (n < 7)
group = groups[""];
count = 1;
return;
CONVERSION_ERROR:
std::cerr << "error parsing record: " << std::string(line.first, line.second) << std::endl;
return;
}
