mirror of
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61 lines
1.0 KiB
Go
61 lines
1.0 KiB
Go
package khepri
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import (
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"bytes"
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"encoding/hex"
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"encoding/json"
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)
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// References content within a repository.
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type ID []byte
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// ParseID converts the given string to an ID.
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func ParseID(s string) (ID, error) {
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b, err := hex.DecodeString(s)
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if err != nil {
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return nil, err
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}
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return ID(b), nil
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}
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func (id ID) String() string {
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return hex.EncodeToString(id)
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}
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// Equal compares an ID to another other.
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func (id ID) Equal(other ID) bool {
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return bytes.Equal(id, other)
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}
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// EqualString compares this ID to another one, given as a string.
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func (id ID) EqualString(other string) (bool, error) {
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s, err := hex.DecodeString(other)
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if err != nil {
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return false, err
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}
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return id.Equal(ID(s)), nil
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}
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func (id ID) MarshalJSON() ([]byte, error) {
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return json.Marshal(id.String())
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}
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func (id *ID) UnmarshalJSON(b []byte) error {
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var s string
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err := json.Unmarshal(b, &s)
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if err != nil {
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return err
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}
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*id = make([]byte, len(s)/2)
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_, err = hex.Decode(*id, []byte(s))
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if err != nil {
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return err
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}
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return nil
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}
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