X-Git-Url: http://git.kpe.io/?p=clsql.git;a=blobdiff_plain;f=sql%2Futils.lisp;h=b43e3180e64f6f8d392446229660c6eed1caaab1;hp=9a554cb7def4837c9de48eafdc26deefd7eaf503;hb=dc107d34212597ed1272cfa21138d384e71b00d2;hpb=66ed75626689968e1faa7603a36954ef4364b2e2 diff --git a/sql/utils.lisp b/sql/utils.lisp index 9a554cb..b43e318 100644 --- a/sql/utils.lisp +++ b/sql/utils.lisp @@ -18,10 +18,16 @@ (defvar +whitespace-chars+ '(#\space #\tab #\newline #\return - ;; Tested: sbcl, allegrocl, and clisp use #\no-break_space + ;; Tested: sbcl unicode, allegrocl, openmcl,clisp use #\no-break_space ;; lispworks uses #\no-break-space - #+lispworks #\no-break-space - #-lispworks #\no-break_space + ;; sbcl non-unicode doesn't support no break space + ;; AllegroCL 8-bit strings don't fail on reading #\no-break_space, + ;; but can't represent such a character + ;; CMUCL errors when trying to read #\no-break_space + #+(and lispworks unicode) #\no-break-space + #+(or (and sbcl sb-unicode) (and allegro ics) (and clisp i18n) + (and openmcl openmcl-unicode-strings)) + #\no-break_space ) "List of whitespace characters for this lisp implementation.") @@ -369,3 +375,20 @@ list of characters and replacement strings." (eval-when (:compile-toplevel :load-toplevel :execute) (setq cl:*features* (delete :clsql-lowercase-reader cl:*features*))) +(defun replace-all (string part replacement &key (test #'char=) stream) + "Returns a new string in which all the occurences of the part +is replaced with replacement. [FROM http://cl-cookbook.sourceforge.net/strings.html#manip]" + (let ((out (or stream (make-string-output-stream)))) + (loop with part-length = (length part) + for old-pos = 0 then (+ pos part-length) + for pos = (search part string + :start2 old-pos + :test test) + do (write-string string out + :start old-pos + :end (or pos (length string))) + when pos do (write-string replacement out) + while pos) + (unless stream + (get-output-stream-string out)))) +