X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/1d1a23e1247d4265590ae3df01b62fb69ba5cfac..ac60c4d4c929172db12c2aa41b0c4b530639208f:/glib/gutils.lisp

diff --git a/glib/gutils.lisp b/glib/gutils.lisp
index d38164c..2558973 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 1.2 2000-08-22 23:12:20 espen Exp $
+;; $Id: gutils.lisp,v 1.9 2001-10-21 16:53:13 espen Exp $
 
 
 (in-package "KERNEL")
@@ -33,7 +33,6 @@ (defun type-expand-1 (form)
 
 (in-package "GLIB")
 
-
 (defun type-expand-to (type form)
   (labels ((expand (form0)
              (if (eq (first (mklist form0)) type)
@@ -50,7 +49,7 @@ (defmacro with-gc-disabled (&body body)
     `(progn
        (let ((,gc-inhibit lisp::*gc-inhibit*))
 	 (ext:gc-off)
-	 (unwind-protect
+	 	 (unwind-protect
 	     ,@body
 	   (unless ,gc-inhibit
 	     (ext:gc-on)))))))
@@ -83,7 +82,7 @@ (defun make-pointer (address)
   
 (defun null-pointer-p (pointer)
   (zerop (sap-int pointer)))
-
+  
 
 (defmacro when-bind ((var expr) &body body)
   `(let ((,var ,expr))
@@ -105,3 +104,64 @@ (defun assoc-rem (key alist &key (test #'eq))
 
 (defun assoc-delete (key alist &key (test #'eq))
   (delete-if #'(lambda (element) (funcall test key (car element))) alist))
+
+
+(defun funcallable (object)
+  (if (consp object)
+      (fdefinition object)
+    object))
+
+(defun intersection-p (list1 list2 &key (test #'eq))
+  (dolist (obj list1 nil)
+    (when (member obj list2 :test test)
+      (return-from intersection-p t))))
+
+
+(defun split-string (string delimiter)
+  (declare (simple-string string) (character delimiter))
+  (check-type string string)
+  (check-type delimiter character)
+  (let ((pos (position delimiter string)))
+   (if (not pos)
+        (list string)
+      (cons
+       (subseq string 0 pos)
+       (split-string (subseq string (1+ pos)) delimiter)))))
+
+(defun split-string-if (string predicate)
+  (declare (simple-string string))
+  (check-type string string)
+  (check-type predicate (or symbol function))
+  (let ((pos (position-if predicate string :start 1)))
+    (if (not pos)
+        (list string)
+      (cons
+       (subseq string 0 pos)
+       (split-string-if (subseq string pos) predicate)))))
+
+(defun concatenate-strings (strings &optional delimiter)
+  (if (not (rest strings))
+      (first strings)
+    (concatenate
+     'string
+     (first strings)
+     (if delimiter (string delimiter) "")
+     (concatenate-strings (rest strings) delimiter))))
+
+(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)))))