Add cape-capf-with-case-fold

2 files changed, 9 insertions, 0 deletions

diff --git a/README.org b/README.org
index 04fa175..115bbad 100644
--- a/README.org
+++ b/README.org
@@ -161,3 +161,4 @@ achieve a similarly refreshing strategy.
 - ~cape-interactive-capf~: Create a Capf which can be called interactively.
 - ~cape-capf-with-properties~: Add completion properties to a Capf.
 - ~cape-capf-with-predicate~: Add candidate predicate to a Capf.
+- ~cape-capf-with-case-fold~: Create a Capf which is case insensitive.
diff --git a/cape.el b/cape.el
index 4a3a859..8602a35 100644
--- a/cape.el
+++ b/cape.el
@@ -861,6 +861,14 @@ The PREDICATE is passed the candidate symbol or string."
        `(,beg ,end ,(cape--silent-table table) ,@plist)))))
 
 ;;;###autoload
+(defun cape-capf-with-case-fold (capf)
+  "Create a new CAPF which is case insensitive."
+  (lambda ()
+    (pcase (funcall capf)
+      (`(,beg ,end ,table . ,plist)
+       `(,beg ,end ,(completion-table-case-fold table) ,@plist)))))
+
+;;;###autoload
 (defun cape-noninterruptible-capf (capf)
   "Create a new CAPF which is non-interruptible silent by input."
   (lambda ()