initial commit

vendor/flog/flog.h

@@ -0,0 +1,77 @@
+#pragma once
+#include <vector>
+#include <string>
+#include <stdint.h>
+
+namespace flog {
+    enum Type {
+        TYPE_DEBUG,
+        TYPE_INFO,
+        TYPE_WARNING,
+        TYPE_ERROR,
+        _TYPE_COUNT
+    };
+
+    // IO functions
+    void __log__(Type type, const char* fmt, const std::vector<std::string>& args);
+
+    // Conversion functions
+    std::string __toString__(bool value);
+    std::string __toString__(char value);
+    std::string __toString__(int8_t value);
+    std::string __toString__(int16_t value);
+    std::string __toString__(int32_t value);
+    std::string __toString__(int64_t value);
+    std::string __toString__(uint8_t value);
+    std::string __toString__(uint16_t value);
+    std::string __toString__(uint32_t value);
+    std::string __toString__(uint64_t value);
+    std::string __toString__(float value);
+    std::string __toString__(double value);
+    std::string __toString__(const char* value);
+    std::string __toString__(const void* value);
+    template <class T>
+    std::string __toString__(const T& value) {
+        return (std::string)value;
+    }
+
+    // Utility to generate a list from arguments
+    inline void __genArgList__(std::vector<std::string>& args) {}
+    template <typename First, typename... Others>
+    inline void __genArgList__(std::vector<std::string>& args, First first, Others... others) {
+        // Add argument
+        args.push_back(__toString__(first));
+
+        // Recursive call that will be unrolled since the function is inline
+        __genArgList__(args, others...);
+    }
+
+    // Logging functions
+    template <typename... Args>
+    void log(Type type, const char* fmt, Args... args) {
+        std::vector<std::string> _args;
+        _args.reserve(sizeof...(args));
+        __genArgList__(_args, args...);
+        __log__(type, fmt, _args);
+    }
+
+    template <typename... Args>
+    inline void debug(const char* fmt, Args... args) {
+        log(TYPE_DEBUG, fmt, args...);
+    }
+
+    template <typename... Args>
+    inline void info(const char* fmt, Args... args) {
+        log(TYPE_INFO, fmt, args...);
+    }
+
+    template <typename... Args>
+    inline void warn(const char* fmt, Args... args) {
+        log(TYPE_WARNING, fmt, args...);
+    }
+
+    template <typename... Args>
+    inline void error(const char* fmt, Args... args) {
+        log(TYPE_ERROR, fmt, args...);
+    }
+}