pusher_t(const logger_type& log, record_t& record, Args&&... args) :
log(log),
record(record)
{
//!@todo: Catch exceptions from message inline formatting.
record.insert(
keyword::message() =
aux::format(record.attributes(), std::forward<Args>(args)...)
);
}
std::string format(const record_t& record) const {
std::string buffer;
stickystream_t stream;
stream.attach(buffer);
try {
string::visitor_t visitor(stream, mapper, record.attributes());
for (auto it = tokens.begin(); it != tokens.end(); ++it) {
boost::apply_visitor(visitor, *it);
stream.flush();
}
return buffer;
} catch (const error_t& err) {
throw error_t("bad format string '%s': %s", pattern, err.what());
}
}
void handle(const record_t& record) {
this->sink.consume(this->formatter.format(record), record.attributes());
}