37 lines
734 B
Go
37 lines
734 B
Go
package host
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import (
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"strings"
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semver "github.com/coreos/go-semver/semver"
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"github.com/libp2p/go-libp2p-protocol"
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)
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func MultistreamSemverMatcher(base protocol.ID) (func(string) bool, error) {
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parts := strings.Split(string(base), "/")
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vers, err := semver.NewVersion(parts[len(parts)-1])
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if err != nil {
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return nil, err
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}
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return func(check string) bool {
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chparts := strings.Split(check, "/")
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if len(chparts) != len(parts) {
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return false
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}
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for i, v := range chparts[:len(chparts)-1] {
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if parts[i] != v {
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return false
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}
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}
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chvers, err := semver.NewVersion(chparts[len(chparts)-1])
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if err != nil {
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return false
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}
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return vers.Major == chvers.Major && vers.Minor >= chvers.Minor
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}, nil
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}
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