podman

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 validate
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
	validateLogger *log.Logger
31
)
32

33
func init() {
34
	debugOptions()
35
}
36

37
func debugOptions() {
38
	validateLogger = log.New(os.Stdout, "validate:", 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
		validateLogger.Printf("%s:%d: %s", filepath.Base(file1), pos1, fmt.Sprintf(msg, args...))
46
	}
47
}
48