mirror of https://git.sr.ht/~michalr/go-satel
22 lines
477 B
Go
22 lines
477 B
Go
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package satel
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import "bytes"
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func scan(data []byte, _ bool) (advance int, token []byte, err error) {
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i := 0
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for ; i < len(data) && data[i] == 0xFE; i++ {
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}
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if i > 0 {
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data = data[i:]
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}
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startIndex := bytes.Index(data, []byte{0xFE, 0xFE})
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index := bytes.Index(data, []byte{0xFE, 0x0D})
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if startIndex > 0 && (index < 0 || startIndex < index) {
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return i + startIndex + 2, nil, nil
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}
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if index > 0 {
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return i + index + 2, data[:index], nil
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}
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return 0, nil, nil
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}
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