bsnes/nall/string/split.hpp

44 lines
1.4 KiB
C++

#ifdef NALL_STRING_INTERNAL_HPP
namespace nall {
template<bool Insensitive, bool Quoted>
auto lstring::_split(rstring source, rstring find, long limit) -> lstring& {
reset();
if(limit <= 0 || find.size() == 0) return *this;
const char* p = source.data();
signed size = source.size();
signed base = 0;
signed matches = 0;
for(signed n = 0, quoted = 0; n <= size - (signed)find.size();) {
if(Quoted) { if(p[n] == '\"') { quoted ^= 1; n++; continue; } if(quoted) { n++; continue; } }
if(string::_compare<Insensitive>(p + n, size - n, find.data(), find.size())) { n++; continue; }
if(matches >= limit) break;
string& s = operator()(matches);
s.resize(n - base);
memory::copy(s.get(), p + base, n - base);
n += find.size();
base = n;
matches++;
}
string& s = operator()(matches);
s.resize(size - base);
memory::copy(s.get(), p + base, size - base);
return *this;
}
auto string::split(rstring on, long limit) const -> lstring { return lstring()._split<0, 0>(*this, on, limit); }
auto string::isplit(rstring on, long limit) const -> lstring { return lstring()._split<1, 0>(*this, on, limit); }
auto string::qsplit(rstring on, long limit) const -> lstring { return lstring()._split<0, 1>(*this, on, limit); }
auto string::iqsplit(rstring on, long limit) const -> lstring { return lstring()._split<1, 1>(*this, on, limit); }
}
#endif