rename llmr => mbgl

1 files changed, 71 insertions, 0 deletions

diff --git a/include/mbgl/platform/log.hpp b/include/mbgl/platform/log.hpp
new file mode 100644
index 0000000000..dc000b4d52
--- /dev/null
+++ b/include/mbgl/platform/log.hpp
@@ -0,0 +1,71 @@
+#ifndef MBGL_PLATFORM_LOG
+#define MBGL_PLATFORM_LOG
+
+#include "event.hpp"
+
+#include <memory>
+#include <string>
+
+namespace mbgl {
+
+class LogBackend {
+public:
+    virtual inline ~LogBackend() = default;
+    virtual void record(EventSeverity severity, Event event, const std::string &msg) = 0;
+    virtual void record(EventSeverity severity, Event event, const char* format, ...) = 0;
+    virtual void record(EventSeverity severity, Event event, int64_t code) = 0;
+    virtual void record(EventSeverity severity, Event event, int64_t code, const std::string &msg) = 0;
+};
+
+class Log {
+private:
+    template <typename T>
+    constexpr static bool includes(const T e, T const *l, const size_t i = 0) {
+        return i >= sizeof l ? false : *(l + i) == e ? true : includes(e, l, i + 1);
+    }
+
+public:
+    template <typename ...Args>
+    static inline void Debug(Event event, Args&& ...args) {
+        Record(EventSeverity::Debug, event, ::std::forward<Args>(args)...);
+    }
+
+    template <typename ...Args>
+    static inline void Info(Event event, Args&& ...args) {
+        Record(EventSeverity::Info, event, ::std::forward<Args>(args)...);
+    }
+
+    template <typename ...Args>
+    static inline void Warning(Event event, Args&& ...args) {
+        Record(EventSeverity::Warning, event, ::std::forward<Args>(args)...);
+    }
+
+    template <typename ...Args>
+    static inline void Error(Event event, Args&& ...args) {
+        Record(EventSeverity::Error, event, ::std::forward<Args>(args)...);
+    }
+
+    template <typename ...Args>
+    static inline void Record(EventSeverity severity, Event event, Args&& ...args) {
+        if (!includes(severity, disabledEventSeverities) &&
+            !includes(event, disabledEvents) &&
+            !includes({ severity, event }, disabledEventPermutations)) {
+            if (Backend) {
+                Backend->record(severity, event, ::std::forward<Args>(args)...);
+            }
+        }
+    }
+
+    template<typename T, typename ...Args>
+    static inline const T &Set(Args&& ...args) {
+        Backend = ::std::unique_ptr<T>(new T(::std::forward<Args>(args)...));
+        return *dynamic_cast<T *>(Backend.get());
+    }
+
+private:
+    static std::unique_ptr<LogBackend> Backend;
+};
+
+}
+
+#endif