forked from emersion/go-imap
/
capability.go
50 lines (43 loc) 路 1.01 KB
/
capability.go
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package imapclient
import (
"fmt"
"github.com/emersion/go-imap/v2"
"github.com/emersion/go-imap/v2/internal/imapwire"
)
// Capability sends a CAPABILITY command.
func (c *Client) Capability() *CapabilityCommand {
cmd := &CapabilityCommand{}
c.beginCommand("CAPABILITY", cmd).end()
return cmd
}
func (c *Client) handleCapability() error {
caps, err := readCapabilities(c.dec)
if err != nil {
return err
}
c.setCaps(caps)
if cmd := findPendingCmdByType[*CapabilityCommand](c); cmd != nil {
cmd.caps = caps
}
return nil
}
// CapabilityCommand is a CAPABILITY command.
type CapabilityCommand struct {
cmd
caps imap.CapSet
}
func (cmd *CapabilityCommand) Wait() (imap.CapSet, error) {
err := cmd.cmd.Wait()
return cmd.caps, err
}
func readCapabilities(dec *imapwire.Decoder) (imap.CapSet, error) {
caps := make(imap.CapSet)
for dec.SP() {
var name string
if !dec.ExpectAtom(&name) {
return caps, fmt.Errorf("in capability-data: %v", dec.Err())
}
caps[imap.Cap(name)] = struct{}{}
}
return caps, nil
}