X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/de6195ad575fd5c12cb2fe36e688d39f6b2ca18b..b447f564aac5c33557152fb6259f76432e04bffd:/glib/gutils.lisp diff --git a/glib/gutils.lisp b/glib/gutils.lisp index aee6ddf..7fd00b9 100644 --- a/glib/gutils.lisp +++ b/glib/gutils.lisp @@ -15,7 +15,7 @@ ;; License along with this library; if not, write to the Free Software ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -;; $Id: gutils.lisp,v 1.7 2001-05-20 23:10:36 espen Exp $ +;; $Id: gutils.lisp,v 1.10 2001-11-12 22:26:56 espen Exp $ (in-package "KERNEL") @@ -30,41 +30,6 @@ (defun type-expand-1 (form) (values (funcall def (if (consp form) form (list form))) t) (values form nil)))) -(in-package "PCL") - -;;;; Make PCL's class finalization protocol behave as specified in AMOP - -(defmethod finalize-inheritance ((class std-class)) - (dolist (super (class-direct-superclasses class)) - (unless (class-finalized-p super) (finalize-inheritance super))) - (update-cpl class (compute-class-precedence-list class)) - (update-slots class (compute-slots class)) - (update-gfs-of-class class) - (update-inits class (compute-default-initargs class)) - (update-make-instance-function-table class)) - -(defmethod finalize-inheritance ((class forward-referenced-class)) - (error "~A can't be finalized" class)) - -(defun update-class (class &optional finalizep) - (declare (ignore finalizep)) - (when (and - (class-finalized-p class) - (not (class-has-a-forward-referenced-superclass-p class))) - (finalize-inheritance class) - (dolist (sub (class-direct-subclasses class)) - (update-class sub)))) - -(defmethod add-method :before ((gf standard-generic-function) - (method standard-method)) - (declare (ignore gf)) - (dolist (specializer (method-specializers method)) - (when (and - (typep specializer 'standard-class) - (not (class-finalized-p specializer)) - (not (class-has-a-forward-referenced-superclass-p specializer))) - (finalize-inheritance specializer)))) - (in-package "GLIB") @@ -187,3 +152,50 @@ (defun string-prefix-p (prefix string) (and (>= (length string) (length prefix)) (string= prefix string :end2 (length prefix)))) + +(defun get-all (plist property) + (multiple-value-bind (property value tail) + (get-properties plist (list property)) + (when tail + (cons value (get-all (cddr tail) property))))) + +(defun plist-remove (plist property) + (when plist + (if (eq (first plist) property) + (plist-remove (cddr plist) property) + (list* + (first plist) (second plist) (plist-remove (cddr plist) property))))) + + +;;; + +(defun utf-8-encode (code) + (labels ((encode-bytes (bit) + (unless (zerop bit) + (cons + (deposit-field + #x80 (byte 7 6) (ldb (byte bit (- bit 6)) code)) + (encode-bytes (- bit 6))))) + (encode-string (length) + (map 'string #'code-char + (cons + (deposit-field + (mask-field (byte 7 (- 7 length)) #xFF) + (byte 7 (- 6 length)) + (ldb (byte (+ (* length 6) 6) (* length 6)) code)) + (encode-bytes (* length 6)))))) + (cond + ((< code #x80) (string (code-char code))) + ((< code #x800) (encode-string 1)) + ((< code #x10000) (encode-string 2)) + ((< code #x200000) (encode-string 3)) + ((< code #x4000000) (encode-string 4)) + ((< code #x80000000) (encode-string 5)) + (t (error "Invalid char code ~A" code))))) + + +(defun latin1-to-unicode (string) + (reduce + #'(lambda (str1 str2) + (concatenate 'string str1 str2)) + (map 'list #'(lambda (char) (utf-8-encode (char-code char))) string)))