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// Copyright (C) 2014 The Protocol Authors.
package protocol
import (
"errors"
)
var (
ErrNoError error
ErrGeneric = errors.New("generic error")
ErrNoSuchFile = errors.New("no such file")
ErrInvalid = errors.New("file is invalid")
)
var lookupError = map[ErrorCode]error{
ErrorCodeNoError: ErrNoError,
ErrorCodeGeneric: ErrGeneric,
ErrorCodeNoSuchFile: ErrNoSuchFile,
ErrorCodeInvalidFile: ErrInvalid,
}
var lookupCode = map[error]ErrorCode{
ErrNoError: ErrorCodeNoError,
ErrGeneric: ErrorCodeGeneric,
ErrNoSuchFile: ErrorCodeNoSuchFile,
ErrInvalid: ErrorCodeInvalidFile,
}
func codeToError(code ErrorCode) error {
err, ok := lookupError[code]
if !ok {
return ErrGeneric
}
return err
}
func errorToCode(err error) ErrorCode {
code, ok := lookupCode[err]
if !ok {
return ErrorCodeGeneric
}
return code
}
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