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with_safedetails.go
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with_safedetails.go
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// Copyright 2019 The Cockroach 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 safedetails
import (
"context"
"fmt"
"github.com/cockroachdb/errors/errbase"
"github.com/gogo/protobuf/proto"
)
type withSafeDetails struct {
cause error
safeDetails []string
}
func (e *withSafeDetails) SafeDetails() []string {
return e.safeDetails
}
var _ fmt.Formatter = (*withSafeDetails)(nil)
var _ errbase.Formatter = (*withSafeDetails)(nil)
// Printing a withSecondary reveals the details.
func (e *withSafeDetails) Format(s fmt.State, verb rune) { errbase.FormatError(e, s, verb) }
func (e *withSafeDetails) FormatError(p errbase.Printer) error {
if p.Detail() && len(e.safeDetails) > 0 {
p.Printf("error with embedded safe details: %s", e.safeDetails[0])
for _, d := range e.safeDetails[1:] {
p.Printf("\n%s", d)
}
}
return e.cause
}
func (e *withSafeDetails) Error() string { return e.cause.Error() }
func (e *withSafeDetails) Cause() error { return e.cause }
func (e *withSafeDetails) Unwrap() error { return e.cause }
func decodeWithSafeDetails(
_ context.Context, cause error, _ string, safeDetails []string, _ proto.Message,
) error {
return &withSafeDetails{cause: cause, safeDetails: safeDetails}
}
func init() {
tn := errbase.GetTypeKey((*withSafeDetails)(nil))
errbase.RegisterWrapperDecoder(tn, decodeWithSafeDetails)
// Note: no encoder needed, the default implementation is suitable.
}