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errors.go
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errors.go
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// Copyright (C) 2022 Satoshi Konno All rights reserved.
//
// 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 redis
import (
"errors"
"fmt"
)
var (
ErrNotSupported = errors.New("not supported")
ErrQuit = errors.New("QUIT")
ErrSystem = errors.New("internal system error")
ErrNotAuthrized = errors.New("not authrized")
ErrInvalid = errors.New("invalid")
)
const (
errorNotSupportedCommand = "'%s' is %w"
errorMissingCommandArgument = "%s: missing argument (%s) %w"
errorUnkownCommandArgument = "%s: unknown argument (%s)"
errorInvalidCommandArgument = "%s: %w argument (%s - %s)"
errorUseOnlyOnce = "%s may be used only once"
errorShouldBeGreaterThanInt = "%s should be greater than %d"
)
// NewErrNotSupported returns a new ErrNotSupported.
func NewErrNotSupported(target string) error {
return fmt.Errorf(errorNotSupportedCommand, target, ErrNotSupported)
}
// NewErrorNotSupportedMessage returns a new ErrNotSupported message.
func NewErrorNotSupportedMessage(cmd string) *Message {
return NewErrorMessage(NewErrNotSupported(cmd))
}
func newMissingArgumentError(cmd string, arg string, err error) error {
return fmt.Errorf(errorMissingCommandArgument, cmd, arg, err)
}
func newUnkownArgumentError(cmd string, arg string) error {
return fmt.Errorf(errorUnkownCommandArgument, cmd, arg)
}
func newInvalidArgumentError(cmd string, arg string, err error) error {
return fmt.Errorf(errorInvalidCommandArgument, cmd, ErrInvalid, arg, err.Error())
}