#+lispworks
;; BUG: Lispworks combines output and error streams
- (let ((output (make-output-string-stream)))
+ (let ((output (make-string-output-stream)))
(unwind-protect
(let ((status
(system:call-system-showing-output
command
:shell-type "/bin/sh"
:output-stream output)))
- (values (get-output-string output) nil status))
+ (values (get-output-stream-string output) nil status))
(close output)))
#+clisp
`(let ((,insym ,obj))
(or ,@(mapcar #'(lambda (c) `(eql ,insym ,c))
choices)))))
+
+;; From KMRCL
+(defun substitute-char-string (procstr match-char subst-str)
+ "Substitutes a string for a single matching character of a string"
+ (substitute-chars-strings procstr (list (cons match-char subst-str))))
+
+(defun replaced-string-length (str repl-alist)
+ (declare (simple-string str)
+ (optimize (speed 3) (safety 0) (space 0)))
+ (do* ((i 0 (1+ i))
+ (orig-len (length str))
+ (new-len orig-len))
+ ((= i orig-len) new-len)
+ (declare (fixnum i orig-len new-len))
+ (let* ((c (char str i))
+ (match (assoc c repl-alist :test #'char=)))
+ (declare (character c))
+ (when match
+ (incf new-len (1- (length
+ (the simple-string (cdr match)))))))))
+
+
+(defun substitute-chars-strings (str repl-alist)
+ "Replace all instances of a chars with a string. repl-alist is an assoc
+list of characters and replacement strings."
+ (declare (simple-string str)
+ (optimize (speed 3) (safety 0) (space 0)))
+ (do* ((orig-len (length str))
+ (new-string (make-string (replaced-string-length str repl-alist)))
+ (spos 0 (1+ spos))
+ (dpos 0))
+ ((>= spos orig-len)
+ new-string)
+ (declare (fixnum spos dpos) (simple-string new-string))
+ (let* ((c (char str spos))
+ (match (assoc c repl-alist :test #'char=)))
+ (declare (character c))
+ (if match
+ (let* ((subst (cdr match))
+ (len (length subst)))
+ (declare (fixnum len)
+ (simple-string subst))
+ (dotimes (j len)
+ (declare (fixnum j))
+ (setf (char new-string dpos) (char subst j))
+ (incf dpos)))
+ (progn
+ (setf (char new-string dpos) c)
+ (incf dpos))))))
+