Initial commit

cameradar_standalone/include/spdlog/details/line_logger.h

@@ -0,0 +1,156 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+#pragma once
+#include <type_traits>
+#include "../common.h"
+#include "../logger.h"
+
+// Line logger class - aggregates operator<< calls to fast ostream
+// and logs upon destruction
+
+namespace spdlog {
+namespace details {
+class line_logger {
+public:
+    line_logger(logger* callback_logger, level::level_enum msg_level, bool enabled)
+    : _callback_logger(callback_logger), _log_msg(msg_level), _enabled(enabled) {}
+
+    // No copy intended. Only move
+    line_logger(const line_logger& other) = delete;
+    line_logger& operator=(const line_logger&) = delete;
+    line_logger& operator=(line_logger&&) = delete;
+
+    line_logger(line_logger&& other)
+    : _callback_logger(other._callback_logger)
+    , _log_msg(std::move(other._log_msg))
+    , _enabled(other._enabled) {
+        other.disable();
+    }
+
+    // Log the log message using the callback logger
+    ~line_logger() {
+        if (_enabled) {
+#ifndef SPDLOG_NO_NAME
+            _log_msg.logger_name = _callback_logger->name();
+#endif
+#ifndef SPDLOG_NO_DATETIME
+            _log_msg.time = os::now();
+#endif
+
+#ifndef SPDLOG_NO_THREAD_ID
+            _log_msg.thread_id = os::thread_id();
+#endif
+            _callback_logger->_log_msg(_log_msg);
+        }
+    }
+
+    //
+    // Support for format string with variadic args
+    //
+
+    void
+    write(const char* what) {
+        if (_enabled) _log_msg.raw << what;
+    }
+
+    template <typename... Args>
+    void
+    write(const char* fmt, const Args&... args) {
+        if (!_enabled) return;
+        try {
+            _log_msg.raw.write(fmt, args...);
+        } catch (const fmt::FormatError& e) {
+            throw spdlog_ex(fmt::format(
+                "formatting error while processing format string '{}': {}", fmt, e.what()));
+        }
+    }
+
+    //
+    // Support for operator<<
+    //
+    line_logger& operator<<(const char* what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(const std::string& what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(int what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(unsigned int what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(long what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(unsigned long what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(long long what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(unsigned long long what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(double what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(long double what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(float what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    line_logger& operator<<(char what) {
+        if (_enabled) _log_msg.raw << what;
+        return *this;
+    }
+
+    // Support user types which implements operator<<
+    template <typename T>
+    line_logger& operator<<(const T& what) {
+        if (_enabled) _log_msg.raw.write("{}", what);
+        return *this;
+    }
+
+    void
+    disable() {
+        _enabled = false;
+    }
+
+    bool
+    is_enabled() const {
+        return _enabled;
+    }
+
+private:
+    logger* _callback_logger;
+    log_msg _log_msg;
+    bool _enabled;
+};
+} // Namespace details
+} // Namespace spdlog