package lib import ( "strings" "git.sr.ht/~sircmpwn/aerc/models" ) func FindPlaintext(bs *models.BodyStructure, path []int) []int { for i, part := range bs.Parts { cur := append(path, i+1) if strings.ToLower(part.MIMEType) == "text" && strings.ToLower(part.MIMESubType) == "plain" { return cur } if strings.ToLower(part.MIMEType) == "multipart" { if path := FindPlaintext(part, cur); path != nil { return path } } } return nil } func FindFirstNonMultipart(bs *models.BodyStructure, path []int) []int { for i, part := range bs.Parts { cur := append(path, i+1) mimetype := strings.ToLower(part.MIMEType) if mimetype != "multipart" { return path } else if mimetype == "multipart" { if path := FindFirstNonMultipart(part, cur); path != nil { return path } } } return nil }