diff options
Diffstat (limited to 'third_party/lisp/mime4cl/streams.lisp')
| -rw-r--r-- | third_party/lisp/mime4cl/streams.lisp | 194 |
1 files changed, 97 insertions, 97 deletions
diff --git a/third_party/lisp/mime4cl/streams.lisp b/third_party/lisp/mime4cl/streams.lisp index 64c7adeec571..087207ce5341 100644 --- a/third_party/lisp/mime4cl/streams.lisp +++ b/third_party/lisp/mime4cl/streams.lisp @@ -32,36 +32,36 @@ (stream-file-position stream position)) (defvar *original-file-position-function* (prog1 - (symbol-function 'file-position) + (symbol-function 'file-position) (setf (symbol-function 'file-position) (symbol-function 'my-file-position)))) (defmethod stream-file-position (stream &optional position) (if position - (funcall *original-file-position-function* stream position) - (funcall *original-file-position-function* stream))) + (funcall *original-file-position-function* stream position) + (funcall *original-file-position-function* stream))) ;; oddly CMUCL doesn't seem to provide a default for STREAM-READ-SEQUENCE (defmacro make-read-sequence (stream-type element-reader) `(defmethod stream-read-sequence ((stream ,stream-type) seq &optional start end) (unless start - (setf start 0)) + (setf start 0)) (unless end - (setf end (length seq))) + (setf end (length seq))) (loop - for i from start below end - for b = (,element-reader stream) - until (eq b :eof) - do (setf (elt seq i) b) - finally (return i)))) + for i from start below end + for b = (,element-reader stream) + until (eq b :eof) + do (setf (elt seq i) b) + finally (return i)))) (make-read-sequence fundamental-binary-input-stream stream-read-byte) (make-read-sequence fundamental-character-input-stream stream-read-char)) (defclass coder-stream-mixin () ((real-stream :type stream - :initarg :stream - :reader real-stream) + :initarg :stream + :reader real-stream) (dont-close :initform nil - :initarg :dont-close))) + :initarg :dont-close))) (defmethod stream-file-position ((stream coder-stream-mixin) &optional position) (apply #'file-position (remove nil (list (slot-value stream 'real-stream) @@ -91,15 +91,15 @@ (call-next-method) (unless (slot-boundp stream 'output-function) (setf (slot-value stream 'output-function) - #'(lambda (char) - (write-char char (slot-value stream 'real-stream)))))) + #'(lambda (char) + (write-char char (slot-value stream 'real-stream)))))) (defmethod initialize-instance ((stream coder-input-stream-mixin) &key &allow-other-keys) (call-next-method) (unless (slot-boundp stream 'input-function) (setf (slot-value stream 'input-function) - #'(lambda () - (read-char (slot-value stream 'real-stream) nil))))) + #'(lambda () + (read-char (slot-value stream 'real-stream) nil))))) (defmethod stream-read-byte ((stream coder-input-stream-mixin)) (or (decoder-read-byte stream) @@ -136,36 +136,36 @@ in a stream of character.")) (call-next-method) (with-slots (encoder buffer-queue) stream (setf encoder - (make-instance 'quoted-printable-encoder - :output-function #'(lambda (char) - (queue-append buffer-queue char)))))) + (make-instance 'quoted-printable-encoder + :output-function #'(lambda (char) + (queue-append buffer-queue char)))))) (defmethod initialize-instance ((stream base64-encoder-input-stream) &key &allow-other-keys) (call-next-method) (with-slots (encoder buffer-queue) stream (setf encoder - (make-instance 'base64-encoder - :output-function #'(lambda (char) - (queue-append buffer-queue char)))))) + (make-instance 'base64-encoder + :output-function #'(lambda (char) + (queue-append buffer-queue char)))))) (defmethod stream-read-char ((stream encoder-input-stream)) (with-slots (encoder buffer-queue real-stream) stream (loop while (queue-empty-p buffer-queue) do (be byte (read-byte real-stream nil) - (if byte - (encoder-write-byte encoder byte) - (progn - (encoder-finish-output encoder) - (queue-append buffer-queue :eof))))) + (if byte + (encoder-write-byte encoder byte) + (progn + (encoder-finish-output encoder) + (queue-append buffer-queue :eof))))) (queue-pop buffer-queue))) (defmethod stream-read-char ((stream 8bit-encoder-input-stream)) (with-slots (real-stream) stream (aif (read-byte real-stream nil) - (code-char it) - :eof))) + (code-char it) + :eof))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; @@ -192,31 +192,31 @@ in a stream of character.")) (etypecase source (string (setf real-stream (make-string-input-stream source) - input-function #'(lambda () - (awhen (read-char real-stream nil) - (char-code it))))) + input-function #'(lambda () + (awhen (read-char real-stream nil) + (char-code it))))) ((vector (unsigned-byte 8)) (be i 0 - (setf input-function #'(lambda () - (when (< i (length source)) - (prog1 (aref source i) - (incf i))))))) + (setf input-function #'(lambda () + (when (< i (length source)) + (prog1 (aref source i) + (incf i))))))) (stream (assert (input-stream-p source)) (setf input-function (if (subtypep (stream-element-type source) 'character) - #'(lambda () - (awhen (read-char source nil) - (char-code it))) - #'(lambda () - (read-byte source nil))))) + #'(lambda () + (awhen (read-char source nil) + (char-code it))) + #'(lambda () + (read-byte source nil))))) (pathname (setf real-stream (open source :element-type '(unsigned-byte 8)) - input-function #'(lambda () - (read-byte real-stream nil)))) + input-function #'(lambda () + (read-byte real-stream nil)))) (file-portion (setf real-stream (open-decoded-file-portion source) - input-function #'(lambda () - (read-byte real-stream nil))))))) + input-function #'(lambda () + (read-byte real-stream nil))))))) (defmethod initialize-instance ((stream character-input-adapter-stream) &key &allow-other-keys) (call-next-method) @@ -225,31 +225,31 @@ in a stream of character.")) (etypecase source (string (setf real-stream (make-string-input-stream source) - input-function #'(lambda () - (read-char real-stream nil)))) + input-function #'(lambda () + (read-char real-stream nil)))) ((vector (unsigned-byte 8)) (be i 0 - (setf input-function #'(lambda () - (when (< i (length source)) - (prog1 (code-char (aref source i)) - (incf i))))))) + (setf input-function #'(lambda () + (when (< i (length source)) + (prog1 (code-char (aref source i)) + (incf i))))))) (stream (assert (input-stream-p source)) (setf input-function (if (subtypep (stream-element-type source) 'character) - #'(lambda () - (read-char source nil)) - #'(lambda () - (awhen (read-byte source nil) - (code-char it)))))) + #'(lambda () + (read-char source nil)) + #'(lambda () + (awhen (read-byte source nil) + (code-char it)))))) (pathname (setf real-stream (open source :element-type 'character) - input-function #'(lambda () - (read-char real-stream nil)))) + input-function #'(lambda () + (read-char real-stream nil)))) (file-portion (setf real-stream (open-decoded-file-portion source) - input-function #'(lambda () - (awhen (read-byte real-stream nil) - (code-char it)))))))) + input-function #'(lambda () + (awhen (read-byte real-stream nil) + (code-char it)))))))) (defmethod close ((stream input-adapter-stream) &key abort) (when (slot-boundp stream 'real-stream) @@ -259,31 +259,31 @@ in a stream of character.")) (defmethod stream-read-byte ((stream binary-input-adapter-stream)) (with-slots (input-function) stream (or (funcall input-function) - :eof))) + :eof))) (defmethod stream-read-char ((stream character-input-adapter-stream)) (with-slots (input-function) stream (or (funcall input-function) - :eof))) + :eof))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; (defclass delimited-input-stream (fundamental-character-input-stream coder-stream-mixin) ((start-offset :initarg :start - :initform 0 - :reader stream-start - :type integer) + :initform 0 + :reader stream-start + :type integer) (end-offset :initarg :end - :initform nil - :reader stream-end - :type (or null integer)))) + :initform nil + :reader stream-end + :type (or null integer)))) (defmethod print-object ((object delimited-input-stream) stream) (if *print-readably* (call-next-method) (with-slots (start-offset end-offset) object - (print-unreadable-object (object stream :type t :identity t) - (format stream "start=~A end=~A" start-offset end-offset))))) + (print-unreadable-object (object stream :type t :identity t) + (format stream "start=~A end=~A" start-offset end-offset))))) (defun base-stream (stream) (if (typep stream 'delimited-input-stream) @@ -301,24 +301,24 @@ in a stream of character.")) (defmethod stream-read-char ((stream delimited-input-stream)) (with-slots (real-stream end-offset) stream (if (or (not end-offset) - (< (file-position real-stream) end-offset)) - (or (read-char real-stream nil) - :eof) - :eof))) + (< (file-position real-stream) end-offset)) + (or (read-char real-stream nil) + :eof) + :eof))) #+(OR)(defmethod stream-read-byte ((stream delimited-input-stream)) (with-slots (real-stream end-offset) stream (if (or (not end-offset) - (< (file-position real-stream) end-offset)) - (or (read-byte real-stream nil) - :eof) - :eof))) + (< (file-position real-stream) end-offset)) + (or (read-byte real-stream nil) + :eof) + :eof))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; (defclass my-string-input-stream (fundamental-character-input-stream coder-stream-mixin) ((string :initarg :string - :reader stream-string))) + :reader stream-string))) (defmethod initialize-instance ((stream my-string-input-stream) &key &allow-other-keys) (call-next-method) @@ -329,7 +329,7 @@ in a stream of character.")) (defmethod stream-read-char ((stream my-string-input-stream)) (with-slots (real-stream) stream (or (read-char real-stream nil) - :eof))) + :eof))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; @@ -344,25 +344,25 @@ in a stream of character.")) (etypecase data (pathname (be stream (open data) - (make-instance 'delimited-input-stream - :stream stream - :start (file-portion-start file-portion) - :end (file-portion-end file-portion)))) + (make-instance 'delimited-input-stream + :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) - :start (file-portion-start file-portion) - :end (file-portion-end file-portion))) + :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 - :dont-close t - :start (file-portion-start file-portion) - :end (file-portion-end file-portion)))))) + :stream data + :dont-close t + :start (file-portion-start file-portion) + :end (file-portion-end file-portion)))))) (defun open-decoded-file-portion (file-portion) (make-instance (case (file-portion-encoding file-portion) - (:quoted-printable 'quoted-printable-decoder-stream) - (:base64 'base64-decoder-stream) - (t '8bit-decoder-stream)) - :stream (open-file-portion file-portion))) + (:quoted-printable 'quoted-printable-decoder-stream) + (:base64 'base64-decoder-stream) + (t '8bit-decoder-stream)) + :stream (open-file-portion file-portion))) |