(eval-and-compile
(cond
- ((fboundp 'replace-in-string)
- (defalias 'gnus-replace-in-string 'replace-in-string))
+ ;; Prefer `replace-regexp-in-string' (present in Emacs, XEmacs 21.5,
+ ;; SXEmacs 22.1.4) over `replace-in-string'. The later leads to inf-loops
+ ;; on empty matches:
+ ;; (replace-in-string "foo" "/*$" "/")
+ ;; (replace-in-string "xe" "\\(x\\)?" "")
((fboundp 'replace-regexp-in-string)
(defun gnus-replace-in-string (string regexp newtext &optional literal)
"Replace all matches for REGEXP with NEWTEXT in STRING.
This is a compatibility function for different Emacsen."
(replace-regexp-in-string regexp newtext string nil literal)))
+ ((fboundp 'replace-in-string)
+ (defalias 'gnus-replace-in-string 'replace-in-string))
(t
(defun gnus-replace-in-string (string regexp newtext &optional literal)
"Replace all matches for REGEXP with NEWTEXT in STRING.
;; First find the address - the thing with the @ in it. This may
;; not be accurate in mail addresses, but does the trick most of
;; the time in news messages.
- (when (string-match "\\b[^@ \t<>]+[!@][^@ \t<>]+\\b" from)
- (setq address (substring from (match-beginning 0) (match-end 0))))
+ (cond (;; Check ``<foo@bar>'' first in order to handle the quite common
+ ;; form ``"abc@xyz" <foo@bar>'' (i.e. ``@'' as part of a comment)
+ ;; correctly.
+ (string-match "<\\([^@ \t<>]+[!@][^@ \t<>]+\\)>" from)
+ (setq address (substring from (match-beginning 1) (match-end 1))))
+ ((string-match "\\b[^@ \t<>]+[!@][^@ \t<>]+\\b" from)
+ (setq address (substring from (match-beginning 0) (match-end 0)))))
;; Then we check whether the "name <address>" format is used.
(and address
;; Linear white space is not required.
(substring gname (match-end 0))
gname)))
+(defmacro gnus-group-server (group)
+ "Find the server name of a foreign newsgroup.
+For example, (gnus-group-server \"nnimap+yxa:INBOX.foo\") would
+yield \"nnimap:yxa\"."
+ `(let ((gname ,group))
+ (if (string-match "^\\([^:+]+\\)\\(?:\\+\\([^:]*\\)\\)?:" gname)
+ (format "%s:%s" (match-string 1 gname) (or
+ (match-string 2 gname)
+ ""))
+ (format "%s:%s" (car gnus-select-method) (cadr gnus-select-method)))))
+
(defun gnus-make-sort-function (funs)
"Return a composite sort condition based on the functions in FUNS."
(cond
(unless dir
(delete-directory directory)))))
+;; The following two functions are used in gnus-registry.
+;; They were contributed by Andreas Fuchs <asf@void.at>.
+(defun gnus-alist-to-hashtable (alist)
+ "Build a hashtable from the values in ALIST."
+ (let ((ht (make-hash-table
+ :size 4096
+ :test 'equal)))
+ (mapc
+ (lambda (kv-pair)
+ (puthash (car kv-pair) (cdr kv-pair) ht))
+ alist)
+ ht))
+
+(defun gnus-hashtable-to-alist (hash)
+ "Build an alist from the values in HASH."
+ (let ((list nil))
+ (maphash
+ (lambda (key value)
+ (setq list (cons (cons key value) list)))
+ hash)
+ list))
+
(defun gnus-strip-whitespace (string)
"Return STRING stripped of all whitespace."
(while (string-match "[\r\n\t ]+" string)
(defun gnus-select-frame-set-input-focus (frame)
"Select FRAME, raise it, and set input focus, if possible."
(cond ((featurep 'xemacs)
- (raise-frame frame)
- (select-frame frame)
- (focus-frame frame))
- ;; The function `select-frame-set-input-focus' won't set
- ;; the input focus under Emacs 21.2 and X window system.
- ;;((fboundp 'select-frame-set-input-focus)
- ;; (defalias 'gnus-select-frame-set-input-focus
- ;; 'select-frame-set-input-focus)
- ;; (select-frame-set-input-focus frame))
+ (if (fboundp 'select-frame-set-input-focus)
+ (select-frame-set-input-focus frame)
+ (raise-frame frame)
+ (select-frame frame)
+ (focus-frame frame)))
+ ;; `select-frame-set-input-focus' defined in Emacs 21 will not
+ ;; set the input focus.
+ ((>= emacs-major-version 22)
+ (select-frame-set-input-focus frame))
(t
(raise-frame frame)
(select-frame frame)
- (cond ((and (eq window-system 'x)
- (fboundp 'x-focus-frame))
+ (cond ((memq window-system '(x mac))
(x-focus-frame frame))
((eq window-system 'w32)
(w32-focus-frame frame)))
display))
display)))))
+(eval-when-compile
+ (defvar tool-bar-mode))
+
(defun gnus-tool-bar-update (&rest ignore)
"Update the tool bar."
(when (and (boundp 'tool-bar-mode)
(defalias 'gnus-set-process-query-on-exit-flag
'process-kill-without-query))
+(if (fboundp 'with-local-quit)
+ (defalias 'gnus-with-local-quit 'with-local-quit)
+ (defmacro gnus-with-local-quit (&rest body)
+ "Execute BODY, allowing quits to terminate BODY but not escape further.
+When a quit terminates BODY, `gnus-with-local-quit' returns nil but
+requests another quit. That quit will be processed as soon as quitting
+is allowed once again. (Immediately, if `inhibit-quit' is nil.)"
+ ;;(declare (debug t) (indent 0))
+ `(condition-case nil
+ (let ((inhibit-quit nil))
+ ,@body)
+ (quit (setq quit-flag t)
+ ;; This call is to give a chance to handle quit-flag
+ ;; in case inhibit-quit is nil.
+ ;; Without this, it will not be handled until the next function
+ ;; call, and that might allow it to exit thru a condition-case
+ ;; that intends to handle the quit signal next time.
+ (eval '(ignore nil))))))
+
(provide 'gnus-util)
;;; arch-tag: f94991af-d32b-4c97-8c26-ca12a934de49
HCoop / bpt / emacs.git / blobdiff