1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
package commands
import (
"errors"
"strings"
"github.com/emersion/go-imap"
)
// Fetch is a FETCH command, as defined in RFC 3501 section 6.4.5.
type Fetch struct {
SeqSet *imap.SeqSet
Items []imap.FetchItem
}
func (cmd *Fetch) Command() *imap.Command {
// Handle FETCH macros separately as they should not be serialized within parentheses
if len(cmd.Items) == 1 && (cmd.Items[0] == imap.FetchAll || cmd.Items[0] == imap.FetchFast || cmd.Items[0] == imap.FetchFull) {
return &imap.Command{
Name: "FETCH",
Arguments: []interface{}{cmd.SeqSet, imap.RawString(cmd.Items[0])},
}
} else {
items := make([]interface{}, len(cmd.Items))
for i, item := range cmd.Items {
items[i] = imap.RawString(item)
}
return &imap.Command{
Name: "FETCH",
Arguments: []interface{}{cmd.SeqSet, items},
}
}
}
func (cmd *Fetch) Parse(fields []interface{}) error {
if len(fields) < 2 {
return errors.New("No enough arguments")
}
var err error
if seqset, ok := fields[0].(string); !ok {
return errors.New("Sequence set must be an atom")
} else if cmd.SeqSet, err = imap.ParseSeqSet(seqset); err != nil {
return err
}
switch items := fields[1].(type) {
case string: // A macro or a single item
cmd.Items = imap.FetchItem(strings.ToUpper(items)).Expand()
case []interface{}: // A list of items
cmd.Items = make([]imap.FetchItem, 0, len(items))
for _, v := range items {
itemStr, _ := v.(string)
item := imap.FetchItem(strings.ToUpper(itemStr))
cmd.Items = append(cmd.Items, item.Expand()...)
}
default:
return errors.New("Items must be either a string or a list")
}
return nil
}
|
