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41 lines
1.0 KiB
Go
41 lines
1.0 KiB
Go
package record
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import (
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"errors"
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path "github.com/ipfs/go-ipfs/path"
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key "gx/ipfs/Qmce4Y4zg3sYr7xKM5UueS67vhNni6EeWgCRnb7MbLJMew/go-key"
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)
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// A SelectorFunc selects the best value for the given key from
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// a slice of possible values and returns the index of the chosen one
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type SelectorFunc func(key.Key, [][]byte) (int, error)
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type Selector map[string]SelectorFunc
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func (s Selector) BestRecord(k key.Key, recs [][]byte) (int, error) {
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if len(recs) == 0 {
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return 0, errors.New("no records given!")
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}
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parts := path.SplitList(string(k))
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if len(parts) < 3 {
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log.Infof("Record key does not have selectorfunc: %s", k)
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return 0, errors.New("record key does not have selectorfunc")
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}
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sel, ok := s[parts[1]]
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if !ok {
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log.Infof("Unrecognized key prefix: %s", parts[1])
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return 0, ErrInvalidRecordType
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}
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return sel(k, recs)
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}
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// PublicKeySelector just selects the first entry.
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// All valid public key records will be equivalent.
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func PublicKeySelector(k key.Key, vals [][]byte) (int, error) {
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return 0, nil
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}
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