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#include <mbgl/util/logging.hpp>
#include <mbgl/util/enum.hpp>
#include <mbgl/util/thread.hpp>
#include <cstdio>
#include <cstdarg>
#include <sstream>
namespace mbgl {
namespace {
static std::unique_ptr<Log::Observer> currentObserver;
} // namespace
void Log::setObserver(std::unique_ptr<Observer> observer) {
currentObserver = std::move(observer);
}
std::unique_ptr<Log::Observer> Log::removeObserver() {
std::unique_ptr<Observer> observer;
std::swap(observer, currentObserver);
return observer;
}
void Log::record(EventSeverity severity, Event event, const std::string &msg) {
record(severity, event, -1, msg);
}
void Log::record(EventSeverity severity, Event event, const char* format, ...) {
va_list args;
va_start(args, format);
char msg[4096];
vsnprintf(msg, sizeof(msg), format, args);
va_end(args);
record(severity, event, -1, msg);
}
void Log::record(EventSeverity severity, Event event, int64_t code) {
record(severity, event, code, std::string());
}
void Log::record(EventSeverity severity, Event event, int64_t code, const std::string &msg) {
if (currentObserver && severity != EventSeverity::Debug &&
currentObserver->onRecord(severity, event, code, msg)) {
return;
}
std::stringstream logStream;
logStream << "{" << platform::getCurrentThreadName() << "}";
logStream << "[" << Enum<Event>::toString(event) << "]";
if (code >= 0) {
logStream << "(" << code << ")";
}
if (!msg.empty()) {
logStream << ": " << msg;
}
platformRecord(severity, logStream.str());
}
} // namespace mbgl
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