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refactor(3p/lisp/mime4cl): rename :stream to :underlying-stream

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This makes sure that initializing coder-stream-mixin (for the most part)
has the same interface as initializing qbase64:decode-stream. This will
make integrating that as a faster replacement to
mime4cl:base64-decoder-stream a bit easier.

The idea is to replace the char by char base64 decoder with one that
supports read-sequence. After that deliminited-input-stream needs to
gain support for read-sequence as well, so we can actually take
advantage of this fact. Finally, we'll have to evaluate the remaining
decoders and think about switching the (base64) encoders over as well.

Change-Id: If971da02437506e00a7c9fab2b94efc42725e62d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8555
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Autosubmit: sterni <sternenseemann@systemli.org>
This commit is contained in:
sterni 2023-03-26 19:32:35 +02:00 committed by clbot
parent f1604c99e5
commit 7c6806cfa7
2 changed files with 12 additions and 11 deletions
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7
third_party/lisp/mime4cl/mime.lisp vendored
View file

@ -687,7 +687,7 @@ list of MIME parts."
'("message" "rfc822" ())
'("text" "plain" (("charset" . "us-ascii"))))
in (make-instance 'delimited-input-stream
:stream stream
:underlying-stream stream
:dont-close t
:start start
:end end)
@ -729,7 +729,7 @@ guessed from the headers, use the *DEFAULT-TYPE*."
(flet ((hdr (what)
(header what headers)))
(destructuring-bind (type subtype parms)
(or
(or
(aand (hdr :content-type)
(parse-content-type it))
*default-type*)
@ -823,7 +823,8 @@ returns a MIME-MESSAGE object."
'quoted-printable-encoder-input-stream)
(t
'8bit-encoder-input-stream))
:stream (make-instance 'binary-input-adapter-stream :source body))))
:underlying-stream
(make-instance 'binary-input-adapter-stream :source body))))
(defun choose-boundary (parts &optional default)
(labels ((match-in-parts (boundary parts)

16
third_party/lisp/mime4cl/streams.lisp vendored
View file

@ -23,7 +23,7 @@
(defclass coder-stream-mixin ()
((real-stream :type stream
:initarg :stream
:initarg :underlying-stream
:reader real-stream)
(dont-close :initform nil
:initarg :dont-close)))
@ -52,7 +52,7 @@
(defmethod initialize-instance :after ((stream coder-stream-mixin) &key &allow-other-keys)
(unless (slot-boundp stream 'real-stream)
(error "REAL-STREAM is unbound. Must provide a :STREAM argument.")))
(error "REAL-STREAM is unbound. Must provide a :UNDERLYING-STREAM argument.")))
(defmethod initialize-instance ((stream coder-output-stream-mixin) &key &allow-other-keys)
(call-next-method)
@ -261,7 +261,7 @@ in a stream of character."))
(defmethod initialize-instance ((stream delimited-input-stream) &key &allow-other-keys)
(call-next-method)
(unless (slot-boundp stream 'real-stream)
(error "REAL-STREAM is unbound. Must provide a :STREAM argument."))
(error "REAL-STREAM is unbound. Must provide a :UNDERLYING-STREAM argument."))
(with-slots (start-offset) stream
(file-position stream start-offset)))
@ -321,7 +321,7 @@ in a stream of character."))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defstruct file-portion
data ; string or a pathname
data ; string or a pathname
encoding
start
end)
@ -332,17 +332,17 @@ in a stream of character."))
(pathname
(be stream (open data)
(make-instance 'delimited-input-stream
:stream stream
:underlying-stream stream
:start (file-portion-start file-portion)
:end (file-portion-end file-portion))))
(string
(make-instance 'delimited-input-stream
:stream (make-string-input-stream data)
:underlying-stream (make-string-input-stream data)
:start (file-portion-start file-portion)
:end (file-portion-end file-portion)))
(stream
(make-instance 'delimited-input-stream
:stream data
:underyling-stream data
:dont-close t
:start (file-portion-start file-portion)
:end (file-portion-end file-portion))))))
@ -352,4 +352,4 @@ in a stream of character."))
(:quoted-printable 'quoted-printable-decoder-stream)
(:base64 'base64-decoder-stream)
(t '8bit-decoder-stream))
:stream (open-file-portion file-portion)))
:underlying-stream (open-file-portion file-portion)))