logging.rb in ougai-1.5.0

- old
+ new
@@ -2,54 +2,79 @@
   # Common Logging features
   module Logging
     attr_accessor :with_fields
     attr_writer :before_log
 
+    module Severity
+      include ::Logger::Severity
+      TRACE = -1
+
+      SEV_LABEL = %w(TRACE DEBUG INFO WARN ERROR FATAL ANY).each(&:freeze).freeze
+
+      def to_label(severity)
+        SEV_LABEL[severity + 1] || 'ANY'
+      end
+    end
+    include Severity
+
+    # Log any one or more of a message, an exception and structured data as TRACE.
+    # @return [Boolean] true
+    # @see Logging#debug
+    def trace(message = nil, ex = nil, data = nil, &block)
+      log(TRACE, message, ex, data, block)
+    end
+
     # Log any one or more of a message, an exception and structured data as DEBUG.
     # If the block is given for delay evaluation, it returns them as an array or the one of them as a value.
     # @param message [String] The message to log. Use default_message if not specified.
     # @param ex [Exception] The exception or the error
     # @param data [Object] Any structured data
     # @yieldreturn [String|Exception|Object|Array] Any one or more of former parameters
     # @return [Boolean] true
     def debug(message = nil, ex = nil, data = nil, &block)
-      log(Logger::DEBUG, message, ex, data, block)
+      log(DEBUG, message, ex, data, block)
     end
 
     # Log any one or more of a message, an exception and structured data as INFO.
     # @return [Boolean] true
     # @see Logging#debug
     def info(message = nil, ex = nil, data = nil, &block)
-      log(Logger::INFO, message, ex, data, block)
+      log(INFO, message, ex, data, block)
     end
 
     # Log any one or more of a message, an exception and structured data as WARN.
     # @return [Boolean] true
     # @see Logging#debug
     def warn(message = nil, ex = nil, data = nil, &block)
-      log(Logger::WARN, message, ex, data, block)
+      log(WARN, message, ex, data, block)
     end
 
     # Log any one or more of a message, an exception and structured data as ERROR.
     # @return [Boolean] true
     # @see Logging#debug
     def error(message = nil, ex = nil, data = nil, &block)
-      log(Logger::ERROR, message, ex, data, block)
+      log(ERROR, message, ex, data, block)
     end
 
     # Log any one or more of a message, an exception and structured data as FATAL.
     # @return [Boolean] true
     # @see Logging#debug
     def fatal(message = nil, ex = nil, data = nil, &block)
-      log(Logger::FATAL, message, ex, data, block)
+      log(FATAL, message, ex, data, block)
     end
 
     # Log any one or more of a message, an exception and structured data as UNKNOWN.
     # @return [Boolean] true
     # @see Logging#debug
     def unknown(message = nil, ex = nil, data = nil, &block)
       args = block ? yield : [message, ex, data]
-      append(Logger::UNKNOWN, args)
+      append(UNKNOWN, args)
+    end
+
+    # Whether the current severity level allows for logging TRACE.
+    # @return [Boolean] true if allows
+    def trace?
+      level <= TRACE
     end
 
     # Creates a child logger and returns it.
     # @param fields [Hash] The fields appending to all logs
     # @return [ChildLogger] A created child logger