Serge Bazanski | cc25bdf | 2018-10-25 14:02:58 +0200 | [diff] [blame] | 1 | // Copyright 2015 go-swagger maintainers |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package spec |
| 16 | |
| 17 | import ( |
| 18 | "fmt" |
| 19 | "log" |
| 20 | "os" |
| 21 | "path/filepath" |
| 22 | "runtime" |
| 23 | ) |
| 24 | |
| 25 | var ( |
| 26 | // Debug is true when the SWAGGER_DEBUG env var is not empty. |
| 27 | // It enables a more verbose logging of validators. |
| 28 | Debug = os.Getenv("SWAGGER_DEBUG") != "" |
| 29 | // validateLogger is a debug logger for this package |
| 30 | specLogger *log.Logger |
| 31 | ) |
| 32 | |
| 33 | func init() { |
| 34 | debugOptions() |
| 35 | } |
| 36 | |
| 37 | func debugOptions() { |
| 38 | specLogger = log.New(os.Stdout, "spec:", log.LstdFlags) |
| 39 | } |
| 40 | |
| 41 | func debugLog(msg string, args ...interface{}) { |
| 42 | // A private, trivial trace logger, based on go-openapi/spec/expander.go:debugLog() |
| 43 | if Debug { |
| 44 | _, file1, pos1, _ := runtime.Caller(1) |
| 45 | specLogger.Printf("%s:%d: %s", filepath.Base(file1), pos1, fmt.Sprintf(msg, args...)) |
| 46 | } |
| 47 | } |