"Function use to do completing read."
:version "24.1"
:group 'gnus-meta
- :type '(radio (function-item
+ :type `(radio (function-item
:doc "Use Emacs standard `completing-read' function."
gnus-emacs-completing-read)
- (function-item
- :doc "Use `ido-completing-read' function."
- gnus-ido-completing-read)
- (function-item
- :doc "Use iswitchb based completing-read function."
- gnus-iswitchb-completing-read)))
+ ;; iswitchb.el is very old and ido.el is unavailable
+ ;; in XEmacs, so we exclude those function items.
+ ,@(unless (featurep 'xemacs)
+ '((function-item
+ :doc "Use `ido-completing-read' function."
+ gnus-ido-completing-read)
+ (function-item
+ :doc "Use iswitchb based completing-read function."
+ gnus-iswitchb-completing-read)))))
(defcustom gnus-completion-styles
(if (and (boundp 'completion-styles-alist)
(save-current-buffer
(apply 'run-hooks funcs)))
+(defun gnus-run-hook-with-args (hook &rest args)
+ "Does the same as `run-hook-with-args', but saves the current buffer."
+ (save-current-buffer
+ (apply 'run-hook-with-args hook args)))
+
(defun gnus-run-mode-hooks (&rest funcs)
"Run `run-mode-hooks' if it is available, otherwise `run-hooks'.
This function saves the current buffer."
(with-current-buffer gnus-group-buffer
(eq major-mode 'gnus-group-mode))))
-(defun gnus-remove-if (predicate list)
- "Return a copy of LIST with all items satisfying PREDICATE removed."
+(defun gnus-remove-if (predicate sequence &optional hash-table-p)
+ "Return a copy of SEQUENCE with all items satisfying PREDICATE removed.
+SEQUENCE should be a list, a vector, or a string. Returns always a list.
+If HASH-TABLE-P is non-nil, regards SEQUENCE as a hash table."
+ (let (out)
+ (if hash-table-p
+ (mapatoms (lambda (symbol)
+ (unless (funcall predicate symbol)
+ (push symbol out)))
+ sequence)
+ (unless (listp sequence)
+ (setq sequence (append sequence nil)))
+ (while sequence
+ (unless (funcall predicate (car sequence))
+ (push (car sequence) out))
+ (setq sequence (cdr sequence))))
+ (nreverse out)))
+
+(defun gnus-remove-if-not (predicate sequence &optional hash-table-p)
+ "Return a copy of SEQUENCE with all items not satisfying PREDICATE removed.
+SEQUENCE should be a list, a vector, or a string. Returns always a list.
+If HASH-TABLE-P is non-nil, regards SEQUENCE as a hash table."
(let (out)
- (while list
- (unless (funcall predicate (car list))
- (push (car list) out))
- (setq list (cdr list)))
+ (if hash-table-p
+ (mapatoms (lambda (symbol)
+ (when (funcall predicate symbol)
+ (push symbol out)))
+ sequence)
+ (unless (listp sequence)
+ (setq sequence (append sequence nil)))
+ (while sequence
+ (when (funcall predicate (car sequence))
+ (push (car sequence) out))
+ (setq sequence (cdr sequence))))
(nreverse out)))
(if (fboundp 'assq-delete-all)
(when (string-match r word)
(throw 'found r))))))
-(defmacro gnus-pull (key alist &optional assoc-p)
+(defmacro gnus-alist-pull (key alist &optional assoc-p)
"Modify ALIST to be without KEY."
(unless (symbolp alist)
(error "Not a symbol: %s" alist))
initial-input history def)
"Call standard `completing-read-function'."
(let ((completion-styles gnus-completion-styles))
- (completing-read prompt collection nil require-match initial-input history def)))
+ (completing-read prompt
+ ;; Old XEmacs (at least 21.4) expect an alist for
+ ;; collection.
+ (mapcar 'list collection)
+ nil require-match initial-input history def)))
+(autoload 'ido-completing-read "ido")
(defun gnus-ido-completing-read (prompt collection &optional require-match
initial-input history def)
"Call `ido-completing-read-function'."
- (require 'ido)
- (ido-completing-read prompt collection nil require-match initial-input history def))
+ (ido-completing-read prompt collection nil require-match
+ initial-input history def))
+
+(autoload 'iswitchb-read-buffer "iswitchb")
(defun gnus-iswitchb-completing-read (prompt collection &optional require-match
initial-input history def)
"`iswitchb' based completing-read function."
- (require 'iswitchb)
(let ((iswitchb-make-buflist-hook
(lambda ()
(setq iswitchb-temp-buflist