String::CPtr percentDecode(String::CPtr str, String::Encoding enc) {
if (!str || str->isEmpty())
return String::create();
Size len = str->length() + 1;
char* decoded = new char[len];
Size size = percentDecode(decoded, len, str->toStdString().c_str());
String::CPtr res;
switch (enc) {
case String::UTF8:
res = String::create(decoded, enc, size);
break;
case String::UTF16:
case String::UTF16BE:
case String::UTF16LE:
res = String::create(decoded, enc, size >> 1);
break;
case String::UTF32:
case String::UTF32BE:
case String::UTF32LE:
res = String::create(decoded, enc, size >> 2);
break;
default:
assert(false);
res = String::null();
}
delete[] decoded;
return res;
}
llvm::Expected<URI> URI::parse(llvm::StringRef OrigUri) {
URI U;
llvm::StringRef Uri = OrigUri;
auto Pos = Uri.find(':');
if (Pos == 0 || Pos == llvm::StringRef::npos)
return make_string_error("Scheme must be provided in URI: " + OrigUri);
U.Scheme = percentDecode(Uri.substr(0, Pos));
Uri = Uri.substr(Pos + 1);
if (Uri.consume_front("//")) {
Pos = Uri.find('/');
U.Authority = percentDecode(Uri.substr(0, Pos));
Uri = Uri.substr(Pos);
}
U.Body = percentDecode(Uri);
return U;
}
