/
atidentifier.go
84 lines (73 loc) · 1.46 KB
/
atidentifier.go
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package syntax
import (
"fmt"
"strings"
)
type AtIdentifier struct {
Inner interface{}
}
func ParseAtIdentifier(raw string) (*AtIdentifier, error) {
if strings.HasPrefix(raw, "did:") {
did, err := ParseDID(raw)
if err != nil {
return nil, err
}
return &AtIdentifier{Inner: did}, nil
}
handle, err := ParseHandle(raw)
if err != nil {
return nil, err
}
return &AtIdentifier{Inner: handle}, nil
}
func (n AtIdentifier) IsHandle() bool {
_, ok := n.Inner.(Handle)
return ok
}
func (n AtIdentifier) AsHandle() (Handle, error) {
handle, ok := n.Inner.(Handle)
if ok {
return handle, nil
}
return "", fmt.Errorf("AT Identifier is not a Handle")
}
func (n AtIdentifier) IsDID() bool {
_, ok := n.Inner.(DID)
return ok
}
func (n AtIdentifier) AsDID() (DID, error) {
did, ok := n.Inner.(DID)
if ok {
return did, nil
}
return "", fmt.Errorf("AT Identifier is not a DID")
}
func (n AtIdentifier) Normalize() AtIdentifier {
handle, ok := n.Inner.(Handle)
if ok {
return AtIdentifier{Inner: handle.Normalize()}
}
return n
}
func (n AtIdentifier) String() string {
did, ok := n.Inner.(DID)
if ok {
return did.String()
}
handle, ok := n.Inner.(Handle)
if ok {
return handle.String()
}
return ""
}
func (a AtIdentifier) MarshalText() ([]byte, error) {
return []byte(a.String()), nil
}
func (a *AtIdentifier) UnmarshalText(text []byte) error {
atid, err := ParseAtIdentifier(string(text))
if err != nil {
return err
}
*a = *atid
return nil
}