diff options
Diffstat (limited to 'third_party/lisp/mime4cl/endec.lisp')
| -rw-r--r-- | third_party/lisp/mime4cl/endec.lisp | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/third_party/lisp/mime4cl/endec.lisp b/third_party/lisp/mime4cl/endec.lisp index 9f2f9c51c260..020c212e5ec4 100644 --- a/third_party/lisp/mime4cl/endec.lisp +++ b/third_party/lisp/mime4cl/endec.lisp @@ -644,7 +644,7 @@ method of RFC2047 and return a sequence of bytes." (vector-push-extend (char-code c) output-sequence))) finally (return output-sequence))) -(defun decode-RFC2047-string (encoding string &key (start 0) (end (length string))) +(defun decode-RFC2047-part (encoding string &key (start 0) (end (length string))) "Decode STRING according to RFC2047 and return a sequence of bytes." (gcase (encoding string-equal) @@ -674,10 +674,24 @@ sequence, a charset string indicating the original coding." (push (subseq text previous-end start) result)) (setf previous-end (+ end 2)) - (push (cons (decode-RFC2047-string encoding text :start (1+ second-?) :end end) + (push (cons (decode-RFC2047-part encoding text :start (1+ second-?) :end end) charset) result)) finally (unless (= previous-end (length text)) (push (subseq text previous-end (length text)) result)) (return (nreverse result)))) + +(defun decode-RFC2047 (text) + "Decode TEXT into a fully decoded string. Whenever a non ASCII part is + encountered, try to decode it using babel, otherwise signal an error." + (flet ((decode-part (part) + (etypecase part + (cons (babel:octets-to-string + (car part) + :encoding (babel-encodings:get-character-encoding + (intern (string-upcase (cdr part)) 'keyword)))) + (string part)))) + (apply #'concatenate + (cons 'string + (mapcar #'decode-part (mime:parse-RFC2047-text text)))))) |