41 lines
916 B
Go
41 lines
916 B
Go
// Copyright (c) 2023-2024 Onur Cinar.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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// https://github.com/cinar/checker
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package v2
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import (
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"net"
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"reflect"
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)
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const (
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// nameMAC is the name of the MAC check.
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nameMAC = "mac"
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)
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var (
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// ErrNotMAC indicates that the given value is not a valid MAC address.
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ErrNotMAC = NewCheckError("NOT_MAC")
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)
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// IsMAC checks if the value is a valid MAC address.
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func IsMAC(value string) (string, error) {
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_, err := net.ParseMAC(value)
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if err != nil {
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return value, ErrNotMAC
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}
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return value, nil
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}
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// checkMAC checks if the value is a valid MAC address.
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func checkMAC(value reflect.Value) (reflect.Value, error) {
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_, err := IsMAC(value.Interface().(string))
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return value, err
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}
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// makeMAC makes a checker function for the MAC checker.
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func makeMAC(_ string) CheckFunc[reflect.Value] {
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return checkMAC
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}
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