bump(github.com/ccding/go-logging): d4e747a24b2af160872a886a430a16ac65f76456

third_party/github.com/ccding/go-logging/logging/formater.go

@@ -0,0 +1,62 @@
+// Copyright 2013, Cong Ding. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// author: Cong Ding <dinggnu@gmail.com>
+//
+package logging
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+)
+
+// pre-defined formats
+const (
+	BasicFormat = "%s [%6s] %30s - %s\n name,levelname,time,message"
+	RichFormat  = "%s [%6s] %d %30s - %d - %s:%s:%d - %s\n name, levelname, seqid, time, thread, filename, funcname, lineno, message"
+)
+
+// genLog generates log string from the format setting.
+func (logger *Logger) genLog(level Level, message string) string {
+	fs := make([]interface{}, len(logger.recordArgs))
+	r := new(record)
+	r.message = message
+	r.level = level
+	for k, v := range logger.recordArgs {
+		fs[k] = fields[v](logger, r)
+	}
+	return fmt.Sprintf(logger.recordFormat, fs...)
+}
+
+// parseFormat checks the legality of format and parses it to recordFormat and recordArgs
+func (logger *Logger) parseFormat(format string) error {
+	logger.runtime = false
+	fts := strings.Split(format, "\n")
+	if len(fts) != 2 {
+		return errors.New("logging format error")
+	}
+	logger.recordFormat = fts[0]
+	logger.recordArgs = strings.Split(fts[1], ",")
+	for k, v := range logger.recordArgs {
+		tv := strings.TrimSpace(v)
+		_, ok := fields[tv]
+		if ok == false {
+			return errors.New("logging format error")
+		}
+		logger.recordArgs[k] = tv
+		logger.runtime = logger.runtime || runtimeFields[tv]
+	}
+	return nil
+}