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- // Copyright 2015 go-swagger maintainers
- //
- // 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.
-
- package generator
-
- import (
- "encoding/json"
- "fmt"
- "log"
- "os"
- "path/filepath"
- "runtime"
- )
-
- var (
- // Debug when the env var DEBUG or SWAGGER_DEBUG is not empty
- // the generators will be very noisy about what they are doing
- Debug = os.Getenv("DEBUG") != "" || os.Getenv("SWAGGER_DEBUG") != ""
- // generatorLogger is a debug logger for this package
- generatorLogger *log.Logger
- )
-
- func init() {
- debugOptions()
- }
-
- func debugOptions() {
- generatorLogger = log.New(os.Stdout, "generator:", log.LstdFlags)
- }
-
- // debugLog wraps log.Printf with a debug-specific logger
- func debugLog(frmt string, args ...interface{}) {
- if Debug {
- _, file, pos, _ := runtime.Caller(1)
- generatorLogger.Printf("%s:%d: %s", filepath.Base(file), pos,
- fmt.Sprintf(frmt, args...))
- }
- }
-
- // debugLogAsJSON unmarshals its last arg as pretty JSON
- func debugLogAsJSON(frmt string, args ...interface{}) {
- if Debug {
- var dfrmt string
- _, file, pos, _ := runtime.Caller(1)
- dargs := make([]interface{}, 0, len(args)+2)
- dargs = append(dargs, filepath.Base(file), pos)
- if len(args) > 0 {
- dfrmt = "%s:%d: " + frmt + "\n%s"
- bbb, _ := json.MarshalIndent(args[len(args)-1], "", " ")
- dargs = append(dargs, args[0:len(args)-1]...)
- dargs = append(dargs, string(bbb))
- } else {
- dfrmt = "%s:%d: " + frmt
- }
- generatorLogger.Printf(dfrmt, dargs...)
- }
- }
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