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