mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-24 20:56:39 +00:00
84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
|
//go:build go1.21
|
||
|
|
// +build go1.21
|
||
|
|
|
||
|
|
/*
|
||
|
|
Copyright 2019 The logr Authors.
|
||
|
|
|
||
|
|
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 logr
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"fmt"
|
||
|
|
"log/slog"
|
||
|
|
)
|
||
|
|
|
||
|
|
// FromContext returns a Logger from ctx or an error if no Logger is found.
|
||
|
|
func FromContext(ctx context.Context) (Logger, error) {
|
||
|
|
v := ctx.Value(contextKey{})
|
||
|
|
if v == nil {
|
||
|
|
return Logger{}, notFoundError{}
|
||
|
|
}
|
||
|
|
|
||
|
|
switch v := v.(type) {
|
||
|
|
case Logger:
|
||
|
|
return v, nil
|
||
|
|
case *slog.Logger:
|
||
|
|
return FromSlogHandler(v.Handler()), nil
|
||
|
|
default:
|
||
|
|
// Not reached.
|
||
|
|
panic(fmt.Sprintf("unexpected value type for logr context key: %T", v))
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// FromContextAsSlogLogger returns a slog.Logger from ctx or nil if no such Logger is found.
|
||
|
|
func FromContextAsSlogLogger(ctx context.Context) *slog.Logger {
|
||
|
|
v := ctx.Value(contextKey{})
|
||
|
|
if v == nil {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
switch v := v.(type) {
|
||
|
|
case Logger:
|
||
|
|
return slog.New(ToSlogHandler(v))
|
||
|
|
case *slog.Logger:
|
||
|
|
return v
|
||
|
|
default:
|
||
|
|
// Not reached.
|
||
|
|
panic(fmt.Sprintf("unexpected value type for logr context key: %T", v))
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// FromContextOrDiscard returns a Logger from ctx. If no Logger is found, this
|
||
|
|
// returns a Logger that discards all log messages.
|
||
|
|
func FromContextOrDiscard(ctx context.Context) Logger {
|
||
|
|
if logger, err := FromContext(ctx); err == nil {
|
||
|
|
return logger
|
||
|
|
}
|
||
|
|
return Discard()
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewContext returns a new Context, derived from ctx, which carries the
|
||
|
|
// provided Logger.
|
||
|
|
func NewContext(ctx context.Context, logger Logger) context.Context {
|
||
|
|
return context.WithValue(ctx, contextKey{}, logger)
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewContextWithSlogLogger returns a new Context, derived from ctx, which carries the
|
||
|
|
// provided slog.Logger.
|
||
|
|
func NewContextWithSlogLogger(ctx context.Context, logger *slog.Logger) context.Context {
|
||
|
|
return context.WithValue(ctx, contextKey{}, logger)
|
||
|
|
}
|