/** Remove ambiguous contigs from the ends of the path. */
static void removeAmbiguousContigs(ContigPath& path)
{
if (!path.empty() && path.back().ambiguous())
path.erase(path.end() - 1);
if (!path.empty() && path.front().ambiguous())
path.erase(path.begin());
}
/** Remove the overlapping portion of the specified contig. */
static void removeContigs(ContigPath& path,
unsigned first, unsigned last)
{
assert(first <= path.size());
assert(last <= path.size());
if (first < last) {
recordTrimmedContigs(path.begin(), path.begin() + first);
recordTrimmedContigs(path.begin() + last, path.end());
path.erase(path.begin() + last, path.end());
path.erase(path.begin(), path.begin() + first);
} else {
recordTrimmedContigs(path.begin(), path.end());
path.clear();
}
removeAmbiguousContigs(path);
}
