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55 lines
868 B
Go
55 lines
868 B
Go
package internal
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import (
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"fmt"
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"log"
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"os"
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)
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type Logging interface {
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Printf(format string, v ...interface{})
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}
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var defaultLogger = log.New(os.Stderr, "", log.LstdFlags)
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var Logger Logging = &logger{
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log: defaultLogger,
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}
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var Warn = &wrapper{
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prefix: "WARN: bun: ",
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logger: Logger,
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}
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var Deprecated = &wrapper{
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prefix: "DEPRECATED: bun: ",
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logger: Logger,
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}
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type logger struct {
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log *log.Logger
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}
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func (l *logger) Printf(format string, v ...interface{}) {
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_ = l.log.Output(2, fmt.Sprintf(format, v...))
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}
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type wrapper struct {
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prefix string
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logger Logging
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}
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func (w *wrapper) Printf(format string, v ...interface{}) {
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w.logger.Printf(w.prefix+format, v...)
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}
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func SetLogger(newLogger Logging) {
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if newLogger == nil {
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Logger = &logger{log: defaultLogger}
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} else {
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Logger = newLogger
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}
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Warn.logger = Logger
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Deprecated.logger = Logger
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}
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