const std::vector<std::pair<fbstring, fbstring>>& Uri::getQueryParams() {
if (!query_.empty() && queryParams_.empty()) {
// Parse query string
static const boost::regex queryParamRegex(
"(^|&)" /*start of query or start of parameter "&"*/
"([^=&]*)=?" /*parameter name and "=" if value is expected*/
"([^=&]*)" /*parameter value*/
"(?=(&|$))" /*forward reference, next should be end of query or
start of next parameter*/);
boost::cregex_iterator paramBeginItr(
query_.data(), query_.data() + query_.size(), queryParamRegex);
boost::cregex_iterator paramEndItr;
for (auto itr = paramBeginItr; itr != paramEndItr; itr++) {
if (itr->length(2) == 0) {
// key is empty, ignore it
continue;
}
queryParams_.emplace_back(
fbstring((*itr)[2].first, (*itr)[2].second), // parameter name
fbstring((*itr)[3].first, (*itr)[3].second) // parameter value
);
}
}
return queryParams_;
}
fbstring exception_wrapper::what() const {
if (item_) {
return exceptionStr(*item_);
} else if (eptr_) {
return estr_;
} else {
return fbstring();
}
}
fbstring exception_wrapper::class_name() const {
if (item_) {
auto& i = *item_;
return demangle(typeid(i));
} else if (eptr_) {
return ename_;
} else {
return fbstring();
}
}
fbstring demangle(const char* name) {
int status;
size_t len = 0;
// malloc() memory for the demangled type name
char* demangled = abi::__cxa_demangle(name, nullptr, &len, &status);
if (status != 0) {
return name;
}
// len is the length of the buffer (including NUL terminator and maybe
// other junk)
return fbstring(demangled, strlen(demangled), len, AcquireMallocatedString());
}
