X-Git-Url: http://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Fgnus-util.el;h=7155c7f9607d20a67ba7b1d9c4532e3306039340;hb=2d46cf921c85bc1bc2f3861961e67cbaa4486494;hp=43ce7390883d8d85d22ae3518ac20ff381131295;hpb=2fdae25cb5c2d7902c08cb0def981bc92b9ff4f4;p=gnus diff --git a/lisp/gnus-util.el b/lisp/gnus-util.el index 43ce73908..7155c7f96 100644 --- a/lisp/gnus-util.el +++ b/lisp/gnus-util.el @@ -1,7 +1,6 @@ ;;; gnus-util.el --- utility functions for Gnus -;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. +;; Copyright (C) 1996-2011 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen ;; Keywords: news @@ -39,10 +38,7 @@ (eval-when-compile (require 'cl)) -(eval-when-compile - (unless (fboundp 'with-no-warnings) - (defmacro with-no-warnings (&rest body) - `(progn ,@body)))) +(require 'time-date) (defcustom gnus-completing-read-function 'gnus-emacs-completing-read "Function use to do completing read." @@ -282,6 +278,24 @@ Uses `gnus-extract-address-components'." (setq start (when end (next-single-property-change start prop)))))) +(defun gnus-find-text-property-region (start end prop) + "Return a list of text property regions that has property PROP." + (let (regions value) + (unless (get-text-property start prop) + (setq start (next-single-property-change start prop))) + (while start + (setq value (get-text-property start prop) + end (text-property-not-all start (point-max) prop value)) + (if (not end) + (setq start nil) + (when value + (push (list (set-marker (make-marker) start) + (set-marker (make-marker) end) + value) + regions)) + (setq start (next-single-property-change start prop)))) + (nreverse regions))) + (defun gnus-newsgroup-directory-form (newsgroup) "Make hierarchical directory name from NEWSGROUP name." (let* ((newsgroup (gnus-newsgroup-savable-name newsgroup)) @@ -319,14 +333,16 @@ Symbols are also allowed; their print names are used instead." (and (= (car fdate) (car date)) (> (nth 1 fdate) (nth 1 date)))))) +;; Every version of Emacs Gnus supports has built-in float-time. +;; The featurep test silences an irritating compiler warning. (eval-and-compile - (if (and (fboundp 'float-time) - (subrp (symbol-function 'float-time))) + (if (or (featurep 'emacs) + (fboundp 'float-time)) (defalias 'gnus-float-time 'float-time) (defun gnus-float-time (&optional time) "Convert time value TIME to a floating point number. TIME defaults to the current time." - (with-no-warnings (time-to-seconds (or time (current-time))))))) + (time-to-seconds (or time (current-time)))))) ;;; Keymap macros. @@ -461,51 +477,6 @@ Cache the result as a text property stored in DATE." (put-text-property 0 1 'gnus-time time d) time))))) -(defvar gnus-user-date-format-alist - '(((gnus-seconds-today) . "%k:%M") - (604800 . "%a %k:%M") ;;that's one week - ((gnus-seconds-month) . "%a %d") - ((gnus-seconds-year) . "%b %d") - (t . "%b %d '%y")) ;;this one is used when no - ;;other does match - "Specifies date format depending on age of article. -This is an alist of items (AGE . FORMAT). AGE can be a number (of -seconds) or a Lisp expression evaluating to a number. When the age of -the article is less than this number, then use `format-time-string' -with the corresponding FORMAT for displaying the date of the article. -If AGE is not a number or a Lisp expression evaluating to a -non-number, then the corresponding FORMAT is used as a default value. - -Note that the list is processed from the beginning, so it should be -sorted by ascending AGE. Also note that items following the first -non-number AGE will be ignored. - -You can use the functions `gnus-seconds-today', `gnus-seconds-month' -and `gnus-seconds-year' in the AGE spec. They return the number of -seconds passed since the start of today, of this month, of this year, -respectively.") - -(defun gnus-user-date (messy-date) - "Format the messy-date according to gnus-user-date-format-alist. -Returns \" ? \" if there's bad input or if another error occurs. -Input should look like this: \"Sun, 14 Oct 2001 13:34:39 +0200\"." - (condition-case () - (let* ((messy-date (gnus-float-time (gnus-date-get-time messy-date))) - (now (gnus-float-time)) - ;;If we don't find something suitable we'll use this one - (my-format "%b %d '%y")) - (let* ((difference (- now messy-date)) - (templist gnus-user-date-format-alist) - (top (eval (caar templist)))) - (while (if (numberp top) (< top difference) (not top)) - (progn - (setq templist (cdr templist)) - (setq top (eval (caar templist))))) - (if (stringp (cdr (car templist))) - (setq my-format (cdr (car templist))))) - (format-time-string (eval my-format) (seconds-to-time messy-date))) - (error " ? "))) - (defun gnus-dd-mmm (messy-date) "Return a string like DD-MMM from a big messy string." (condition-case () @@ -569,8 +540,7 @@ but also to the ones displayed in the echo area." (eval-when-compile (defmacro gnus-message-with-timestamp-1 (format-string args) - (let ((timestamp '((format-time-string "%Y%m%dT%H%M%S" time) - "." (format "%03d" (/ (nth 2 time) 1000)) "> "))) + (let ((timestamp '(format-time-string "%Y%m%dT%H%M%S.%3N> " time))) (if (featurep 'xemacs) `(let (str time) (if (or (and (null ,format-string) (null ,args)) @@ -583,10 +553,10 @@ but also to the ones displayed in the echo area." (cond ((eq gnus-add-timestamp-to-message 'log) (setq time (current-time)) (display-message 'no-log str) - (log-message 'message (concat ,@timestamp str))) + (log-message 'message (concat ,timestamp str))) (gnus-add-timestamp-to-message (setq time (current-time)) - (display-message 'message (concat ,@timestamp str))) + (display-message 'message (concat ,timestamp str))) (t (display-message 'message str)))) str) @@ -600,7 +570,7 @@ but also to the ones displayed in the echo area." (setq time (current-time)) (with-current-buffer (get-buffer-create "*Messages*") (goto-char (point-max)) - (insert ,@timestamp str "\n") + (insert ,timestamp str "\n") (forward-line (- message-log-max)) (delete-region (point-min) (point)) (goto-char (point-max)))) @@ -614,7 +584,7 @@ but also to the ones displayed in the echo area." (and ,format-string str) (message nil)) (setq time (current-time)) - (message "%s" (concat ,@timestamp str)) + (message "%s" (concat ,timestamp str)) str)) (t (apply 'message ,format-string ,args)))))))) @@ -701,11 +671,9 @@ If N, return the Nth ancestor instead." (when (string-match "\\(<[^<]+>\\)[ \t]*\\'" references) (match-string 1 references)))))) -(defun gnus-buffer-live-p (buffer) +(defsubst gnus-buffer-live-p (buffer) "Say whether BUFFER is alive or not." - (and buffer - (get-buffer buffer) - (buffer-name (get-buffer buffer)))) + (and buffer (buffer-live-p (get-buffer buffer)))) (defun gnus-horizontal-recenter () "Recenter the current buffer horizontally." @@ -888,6 +856,7 @@ Bind `print-quoted' and `print-readably' to t, and `print-length' and (defun gnus-write-buffer (file) "Write the current buffer's contents to FILE." + (require 'nnmail) (let ((file-name-coding-system nnmail-pathname-coding-system)) ;; Make sure the directory exists. (gnus-make-directory (file-name-directory file)) @@ -899,6 +868,15 @@ Bind `print-quoted' and `print-readably' to t, and `print-length' and (when (file-exists-p file) (delete-file file))) +(defun gnus-delete-duplicates (list) + "Remove duplicate entries from LIST." + (let ((result nil)) + (while list + (unless (member (car list) result) + (push (car list) result)) + (pop list)) + (nreverse result))) + (defun gnus-delete-directory (directory) "Delete files in DIRECTORY. Subdirectories remain. If there's no subdirectory, delete DIRECTORY as well." @@ -1123,6 +1101,7 @@ In Emacs 22 this writes Babyl format; in Emacs 23 it writes mbox unless FILENAME exists and is Babyl format." (require 'rmail) (require 'mm-util) + (require 'nnmail) ;; Some of this codes is borrowed from rmailout.el. (setq filename (expand-file-name filename)) ;; FIXME should we really be messing with this defcustom? @@ -1214,6 +1193,7 @@ FILENAME exists and is Babyl format." (defun gnus-output-to-mail (filename &optional ask) "Append the current article to a mail file named FILENAME." + (require 'nnmail) (setq filename (expand-file-name filename)) (let ((artbuf (current-buffer)) (tmpbuf (get-buffer-create " *Gnus-output*"))) @@ -1651,10 +1631,16 @@ SPEC is a predicate specifier that contains stuff like `or', `and', initial-input history def)) -(autoload 'iswitchb-read-buffer "iswitchb") +(declare-function iswitchb-read-buffer "iswitchb" + (prompt &optional default require-match start matches-set)) +(defvar iswitchb-temp-buflist) + (defun gnus-iswitchb-completing-read (prompt collection &optional require-match initial-input history def) "`iswitchb' based completing-read function." + ;; Make sure iswitchb is loaded before we let-bind its variables. + ;; If it is loaded inside the let, variables can become unbound afterwards. + (require 'iswitchb) (let ((iswitchb-make-buflist-hook (lambda () (setq iswitchb-temp-buflist @@ -1667,11 +1653,11 @@ SPEC is a predicate specifier that contains stuff like `or', `and', (nreverse filtered-choices)))))) (unwind-protect (progn - (when (not iswitchb-mode) - (add-hook 'minibuffer-setup-hook 'iswitchb-minibuffer-setup)) + (or iswitchb-mode + (add-hook 'minibuffer-setup-hook 'iswitchb-minibuffer-setup)) (iswitchb-read-buffer prompt def require-match)) - (when (not iswitchb-mode) - (remove-hook 'minibuffer-setup-hook 'iswitchb-minibuffer-setup))))) + (or iswitchb-mode + (remove-hook 'minibuffer-setup-hook 'iswitchb-minibuffer-setup))))) (defun gnus-graphic-display-p () (if (featurep 'xemacs) @@ -1758,14 +1744,16 @@ CHOICE is a list of the choice char and help message at IDX." (kill-buffer buf)) tchar)) -(if (fboundp 'select-frame-set-input-focus) +(if (featurep 'emacs) (defalias 'gnus-select-frame-set-input-focus 'select-frame-set-input-focus) - ;; XEmacs 21.4, SXEmacs - (defun gnus-select-frame-set-input-focus (frame) - "Select FRAME, raise it, and set input focus, if possible." - (raise-frame frame) - (select-frame frame) - (focus-frame frame))) + (if (fboundp 'select-frame-set-input-focus) + (defalias 'gnus-select-frame-set-input-focus 'select-frame-set-input-focus) + ;; XEmacs 21.4, SXEmacs + (defun gnus-select-frame-set-input-focus (frame) + "Select FRAME, raise it, and set input focus, if possible." + (raise-frame frame) + (select-frame frame) + (focus-frame frame)))) (defun gnus-frame-or-window-display-name (object) "Given a frame or window, return the associated display name. @@ -2002,8 +1990,36 @@ This is the definition of match-substitute-replacement in subr.el from GNU Emacs (- x (match-beginning 0)) x)) (match-data t))) - (replace-match replacement fixedcase literal match subexp)))) - ))) + (replace-match replacement fixedcase literal match subexp))))))) + +(if (fboundp 'string-match-p) + (defalias 'gnus-string-match-p 'string-match-p) + (defsubst gnus-string-match-p (regexp string &optional start) + "\ +Same as `string-match' except this function does not change the match data." + (save-match-data + (string-match regexp string start)))) + +(eval-and-compile + (if (fboundp 'macroexpand-all) + (defalias 'gnus-macroexpand-all 'macroexpand-all) + (defun gnus-macroexpand-all (form &optional environment) + "Return result of expanding macros at all levels in FORM. +If no macros are expanded, FORM is returned unchanged. +The second optional arg ENVIRONMENT specifies an environment of macro +definitions to shadow the loaded ones for use in file byte-compilation." + (if (consp form) + (let ((idx 1) + (len (length (setq form (copy-sequence form)))) + expanded) + (while (< idx len) + (setcar (nthcdr idx form) (gnus-macroexpand-all (nth idx form) + environment)) + (setq idx (1+ idx))) + (if (eq (setq expanded (macroexpand form environment)) form) + form + (gnus-macroexpand-all expanded environment))) + form)))) (provide 'gnus-util)