mirror of
https://git.sr.ht/~rjarry/aerc
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8edf7b0e4d
This has nothing to do at the root of the source tree. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Bence Ferdinandy <bence@ferdinandy.com>
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
package parse
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import (
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"strings"
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"git.sr.ht/~rjarry/aerc/lib/log"
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"github.com/emersion/go-message/mail"
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)
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// MsgIDList parses a list of message identifiers. It returns message
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// identifiers without angle brackets. If the header field is missing,
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// it returns nil.
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//
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// This can be used on In-Reply-To and References header fields.
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// If the field does not conform to RFC 5322, fall back
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// to greedily parsing a subsequence of the original field.
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func MsgIDList(h *mail.Header, key string) []string {
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l, err := h.MsgIDList(key)
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if err == nil {
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return l
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}
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log.Errorf("%s: %s", err, h.Get(key))
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// Expensive, fix your peer's MUA instead!
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var list []string
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header := &mail.Header{Header: h.Header.Copy()}
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value := header.Get(key)
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for err != nil && len(value) > 0 {
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// Skip parsed IDs
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if len(l) > 0 {
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last := "<" + l[len(l)-1] + ">"
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value = value[strings.Index(value, last)+len(last):]
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list = append(list, l...)
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}
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// Skip a character until some IDs can be parsed
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value = value[1:]
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header.Set(key, value)
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l, err = header.MsgIDList(key)
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}
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return append(list, l...)
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}
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