47 lines
826 B
Go
47 lines
826 B
Go
package types
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import (
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"fmt"
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"archgrid.xyz/ag/toolsbox/hash/crc32"
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)
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type CRC32Algorithm string
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const (
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CRC32_IEEE CRC32Algorithm = "ieee"
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CRC32_CASTAGNOLI CRC32Algorithm = "castagnoli"
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CRC32_KOOPMAN CRC32Algorithm = "koopman"
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)
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func (a *CRC32Algorithm) String() string {
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return string(*a)
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}
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func (a *CRC32Algorithm) Set(s string) error {
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switch s {
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case "ieee", "castagnoli", "koopman":
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*a = CRC32Algorithm(s)
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return nil
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default:
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return fmt.Errorf("不支持的CRC32算法：%s", s)
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}
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}
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func (a *CRC32Algorithm) Type() string {
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return "CRC32Algorithm"
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}
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func (a CRC32Algorithm) IntoCRC32Mode() crc32.CRC32Mode {
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switch a {
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case CRC32_IEEE:
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return crc32.IEEE
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case CRC32_CASTAGNOLI:
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return crc32.Castagnoli
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case CRC32_KOOPMAN:
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return crc32.Koopman
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default:
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return crc32.IEEE
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}
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}
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