old-nall/encode/url.hpp
2016-05-15 12:42:10 +02:00

22 lines
711 B
C++

#pragma once
namespace nall { namespace Encode {
inline auto URL(const string& input) -> string {
string output;
for(auto c : input) {
if(c >= 'A' && c <= 'Z') { output.append(c); continue; }
if(c >= 'a' && c <= 'z') { output.append(c); continue; }
if(c >= '0' && c <= '9') { output.append(c); continue; }
if(c == '-' || c == '_' || c == '.' || c == '~') { output.append(c); continue; }
if(c == ' ') { output.append('+'); continue; }
unsigned hi = (c >> 4) & 15;
unsigned lo = (c >> 0) & 15;
output.append('%');
output.append((char)(hi < 10 ? ('0' + hi) : ('a' + hi - 10)));
output.append((char)(lo < 10 ? ('0' + lo) : ('a' + lo - 10)));
}
return output;
}
}}