BizHawk/waterbox/ares64/ares/nall/string/split.hpp

47 lines
1.6 KiB
C++

#pragma once
namespace nall {
template<bool Insensitive, bool Quoted>
inline auto vector<string>::_split(string_view source, string_view find, long limit) -> type& {
reset();
if(limit <= 0 || find.size() == 0) return *this;
const char* p = source.data();
s32 size = source.size();
s32 base = 0;
s32 matches = 0;
for(s32 n = 0, quoted = 0; n <= size - (s32)find.size();) {
if constexpr(Quoted) {
if(quoted && p[n] == '\\') { n += 2; continue; }
if(p[n] == '\'' && quoted != 2) { quoted ^= 1; n++; continue; }
if(p[n] == '\"' && quoted != 1) { quoted ^= 2; 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;
}
inline auto string::split(string_view on, long limit) const -> vector<string> { return vector<string>()._split<0, 0>(*this, on, limit); }
inline auto string::isplit(string_view on, long limit) const -> vector<string> { return vector<string>()._split<1, 0>(*this, on, limit); }
inline auto string::qsplit(string_view on, long limit) const -> vector<string> { return vector<string>()._split<0, 1>(*this, on, limit); }
inline auto string::iqsplit(string_view on, long limit) const -> vector<string> { return vector<string>()._split<1, 1>(*this, on, limit); }
}