46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package cbor
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type Encoder struct{}
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// AppendKey adds a key (string) to the binary encoded log message
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func (e Encoder) AppendKey(dst []byte, key string) []byte {
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if len(dst) < 1 {
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dst = e.AppendBeginMarker(dst)
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}
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return e.AppendString(dst, key)
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}
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// AppendError adds the Error to the log message if error is NOT nil
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func (e Encoder) AppendError(dst []byte, err error) []byte {
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if err == nil {
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return append(dst, `null`...)
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}
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return e.AppendString(dst, err.Error())
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}
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// AppendErrors when given an array of errors,
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// adds them to the log message if a specific error is nil, then
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// Nil is added, or else the error string is added.
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func (e Encoder) AppendErrors(dst []byte, errs []error) []byte {
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if len(errs) == 0 {
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return e.AppendArrayEnd(e.AppendArrayStart(dst))
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}
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dst = e.AppendArrayStart(dst)
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if errs[0] != nil {
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dst = e.AppendString(dst, errs[0].Error())
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} else {
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dst = e.AppendNil(dst)
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}
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if len(errs) > 1 {
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for _, err := range errs[1:] {
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if err == nil {
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dst = e.AppendNil(dst)
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continue
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}
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dst = e.AppendString(dst, err.Error())
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}
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}
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dst = e.AppendArrayEnd(dst)
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return dst
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}
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