forked from gitea/gitea
81 lines
2.7 KiB
Go
81 lines
2.7 KiB
Go
// Copyright (c) 2017 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package zap
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import (
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"sync"
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"go.uber.org/zap/zapcore"
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)
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var _errArrayElemPool = sync.Pool{New: func() interface{} {
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return &errArrayElem{}
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}}
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// Error is shorthand for the common idiom NamedError("error", err).
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func Error(err error) Field {
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return NamedError("error", err)
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}
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// NamedError constructs a field that lazily stores err.Error() under the
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// provided key. Errors which also implement fmt.Formatter (like those produced
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// by github.com/pkg/errors) will also have their verbose representation stored
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// under key+"Verbose". If passed a nil error, the field is a no-op.
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//
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// For the common case in which the key is simply "error", the Error function
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// is shorter and less repetitive.
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func NamedError(key string, err error) Field {
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if err == nil {
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return Skip()
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}
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return Field{Key: key, Type: zapcore.ErrorType, Interface: err}
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}
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type errArray []error
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func (errs errArray) MarshalLogArray(arr zapcore.ArrayEncoder) error {
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for i := range errs {
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if errs[i] == nil {
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continue
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}
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// To represent each error as an object with an "error" attribute and
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// potentially an "errorVerbose" attribute, we need to wrap it in a
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// type that implements LogObjectMarshaler. To prevent this from
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// allocating, pool the wrapper type.
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elem := _errArrayElemPool.Get().(*errArrayElem)
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elem.error = errs[i]
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arr.AppendObject(elem)
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elem.error = nil
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_errArrayElemPool.Put(elem)
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}
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return nil
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}
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type errArrayElem struct {
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error
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}
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func (e *errArrayElem) MarshalLogObject(enc zapcore.ObjectEncoder) error {
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// Re-use the error field's logic, which supports non-standard error types.
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Error(e.error).AddTo(enc)
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return nil
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}
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