From 181688f29c4495e90fb12d9b18001218ccfd3ff9 Mon Sep 17 00:00:00 2001 From: Stephen Eglen Date: Wed, 22 Apr 1998 08:32:02 +0000 Subject: [PATCH] Only require cl if cadr and last are not defined (thanks to Dave Love.) Merged brackets split over several lines onto one line. --- lisp/iswitchb.el | 201 ++++++++++------------------------------------- 1 file changed, 43 insertions(+), 158 deletions(-) diff --git a/lisp/iswitchb.el b/lisp/iswitchb.el index 05bafbe3c4d..bdaeaa5e7b2 100644 --- a/lisp/iswitchb.el +++ b/lisp/iswitchb.el @@ -5,6 +5,7 @@ ;; Author: Stephen Eglen ;; Maintainer: Stephen Eglen ;; Keywords: extensions +;; location: http://www.cns.ed.ac.uk/people/stephen/emacs/ ;; This file is part of GNU Emacs. @@ -128,7 +129,6 @@ ;; only shows a certain number of lines -- see the documentation for ;; `iswitchb-minibuffer-setup-hook'. - ;; Changing the list of buffers ;; By default, the list of current buffers is most recent first, @@ -153,7 +153,6 @@ ;; this is too harsh, let me know. Colouring of the matching buffer ;; name was suggested by Carsten Dominik (dominik@strw.leidenuniv.nl) - ;; Replacement for read-buffer ;; iswitchb-read-buffer has been written to be a drop in replacement @@ -188,9 +187,10 @@ ;;; Code: - ;; CL needed for cadr and last -(require 'cl) +(if (not (and (fboundp 'cadr) + (fboundp 'last))) + (require 'cl)) ;; Set up the custom library. ;; taken from http://www.dina.kvl.dk/~abraham/custom/ @@ -216,9 +216,7 @@ ;; These links are to be added in later versions of custom and ;; so are currently commented out. :link '(emacs-commentary-link :tag "Commentary" "iswitchb.el") - :link '(emacs-library-link :tag "Lisp File" "iswitchb.el") -) - + :link '(emacs-library-link :tag "Lisp File" "iswitchb.el")) (defcustom iswitchb-case case-fold-search "*Non-nil if searching of buffer names should ignore case." @@ -234,7 +232,6 @@ example functions that filter buffernames." :type '(repeat regexp) :group 'iswitchb) - ;;; Examples for setting the value of iswitchb-buffer-ignore ;(defun iswitchb-ignore-c-mode (name) ; "Ignore all c mode buffers -- example function for iswitchb." @@ -265,41 +262,34 @@ Possible values: (const always-frame)) :group 'iswitchb) - (defcustom iswitchb-regexp nil "*Non-nil means that `iswitchb' will do regexp matching. Value can be toggled within `iswitchb' using `iswitchb-toggle-regexp'." :type 'boolean :group 'iswitchb) - (defcustom iswitchb-newbuffer t "*Non-nil means create new buffer if no buffer matches substring. See also `iswitchb-prompt-newbuffer'." :type 'boolean :group 'iswitchb) - (defcustom iswitchb-prompt-newbuffer t "*Non-nil means prompt user to confirm before creating new buffer. See also `iswitchb-newbuffer'." :type 'boolean :group 'iswitchb) - (defcustom iswitchb-define-mode-map-hook nil "*Hook to define keys in `iswitchb-mode-map' for extra keybindings." :type 'hook :group 'iswitchb) - - (defcustom iswitchb-use-fonts t "*Non-nil means use font-lock fonts for showing first match." :type 'boolean :group 'iswitchb) - (defcustom iswitchb-make-buflist-hook nil "*Hook to run when list of matching buffers is created." :type 'hook @@ -329,7 +319,6 @@ iswitchb is running. Copied from `icomplete-minibuffer-setup-hook'." ;; Do we need the variable iswitchb-use-mycompletion? - ;;; Internal Variables (defvar iswitchb-method nil @@ -343,7 +332,6 @@ details of values.") Copied from `icomplete-eoinput'.") (make-variable-buffer-local 'iswitchb-eoinput) - (defvar iswitchb-buflist nil "Stores the current list of buffers that will be searched through. The list is ordered, so that the most recent buffers come first, @@ -394,7 +382,6 @@ selected.") ;;; FUNCTIONS - ;;; ISWITCHB KEYMAP (defun iswitchb-define-mode-map () "Set up the keymap for `iswitchb-buffer'." @@ -416,11 +403,8 @@ selected.") (define-key map "\C-k" 'iswitchb-kill-buffer) (define-key map "\C-m" 'iswitchb-exit-minibuffer) (setq iswitchb-mode-map map) - (run-hooks 'iswitchb-define-mode-map-hook) - )) + (run-hooks 'iswitchb-define-mode-map-hook))) - - ;;; MAIN FUNCTION (defun iswitchb () "Switch to buffer matching a substring. @@ -457,7 +441,6 @@ in a separate window. (setq buf (iswitchb-read-buffer prompt)) - ;;(message "chosen text %s" iswitchb-final-text) ;; Choose the buffer name: either the text typed in, or the head ;; of the list of matches @@ -475,11 +458,7 @@ in a separate window. (iswitchb-visit-buffer buf) ;; else buffer doesn't exist (iswitchb-possible-new-buffer buf))) - )) - - )) - - + )))) (defun iswitchb-read-buffer (prompt &optional default require-match) "Replacement for the built-in `read-buffer'. @@ -510,8 +489,7 @@ If REQUIRE-MATCH is non-nil, an existing-buffer must be selected." (let ((minibuffer-local-completion-map iswitchb-mode-map) (iswitchb-prepost-hooks t) - (iswitchb-require-match require-match) - ) + (iswitchb-require-match require-match)) ;; prompt the user for the buffer name (setq iswitchb-final-text (completing-read prompt ;the prompt @@ -538,7 +516,6 @@ If REQUIRE-MATCH is non-nil, an existing-buffer must be selected." buf-sel)) - (defun iswitchb-existing-buffer-p () "Return non-nil if there is a matching buffer." (not (null iswitchb-matches))) @@ -558,17 +535,14 @@ The result is stored in `iswitchb-common-match-string'." (if (setq val (iswitchb-find-common-substring iswitchb-matches iswitchb-text)) (setq iswitchb-common-match-string val))) - val - )) - + val)) (defun iswitchb-complete () "Try and complete the current pattern amongst the buffer names." (interactive) (let (res) (cond ((not iswitchb-matches) - (iswitchb-completion-help) - ) + (iswitchb-completion-help)) ((= 1 (length iswitchb-matches)) ;; only one choice, so select it. @@ -586,11 +560,7 @@ The result is stored in `iswitchb-common-match-string'." (insert res)) ;; else nothing to complete (iswitchb-completion-help) - ) - ) - ))) - - + ))))) ;;; TOGGLE FUNCTIONS @@ -599,17 +569,14 @@ The result is stored in `iswitchb-common-match-string'." (interactive) (setq iswitchb-case (not iswitchb-case)) ;; ask for list to be regenerated. - (setq iswitchb-rescan t) - ) + (setq iswitchb-rescan t)) (defun iswitchb-toggle-regexp () "Toggle the value of `iswitchb-regexp'." (interactive) (setq iswitchb-regexp (not iswitchb-regexp)) ;; ask for list to be regenerated. - (setq iswitchb-rescan t) - ) - + (setq iswitchb-rescan t)) (defun iswitchb-toggle-ignore () "Toggle ignoring buffers specified with `iswitchb-buffer-ignore'." @@ -617,23 +584,19 @@ The result is stored in `iswitchb-common-match-string'." (if iswitchb-buffer-ignore (progn (setq iswitchb-buffer-ignore-orig iswitchb-buffer-ignore) - (setq iswitchb-buffer-ignore nil) - ) + (setq iswitchb-buffer-ignore nil)) ;; else - (setq iswitchb-buffer-ignore iswitchb-buffer-ignore-orig) - ) + (setq iswitchb-buffer-ignore iswitchb-buffer-ignore-orig)) (iswitchb-make-buflist iswitchb-default) ;; ask for list to be regenerated. - (setq iswitchb-rescan t) - ) + (setq iswitchb-rescan t)) (defun iswitchb-exit-minibuffer () "Exit minibuffer, but make sure we have a match if one is needed." (interactive) (if (or (not iswitchb-require-match) (iswitchb-existing-buffer-p)) - (throw 'exit nil) - )) + (throw 'exit nil))) (defun iswitchb-select-buffer-text () "Select the buffer named by the prompt. @@ -642,8 +605,6 @@ If no buffer exactly matching the prompt exists, maybe create a new one." (setq iswitchb-exit 'takeprompt) (exit-minibuffer)) - - (defun iswitchb-find-file () "Drop into find-file from buffer switching." (interactive) @@ -655,19 +616,14 @@ If no buffer exactly matching the prompt exists, maybe create a new one." (interactive) (let ((next (cadr iswitchb-matches))) (setq iswitchb-buflist (iswitchb-chop iswitchb-buflist next)) - (setq iswitchb-rescan t) - )) + (setq iswitchb-rescan t))) (defun iswitchb-prev-match () "Put last element of `iswitchb-matches' at the front of the list." (interactive) (let ((prev (car (last iswitchb-matches)))) (setq iswitchb-buflist (iswitchb-chop iswitchb-buflist prev)) - (setq iswitchb-rescan t) - )) - - - + (setq iswitchb-rescan t))) (defun iswitchb-chop (list elem) "Remove all elements before ELEM and put them at the end of LIST." @@ -684,12 +640,8 @@ If no buffer exactly matching the prompt exists, maybe create a new one." (setq sofar (cons next sofar))))) ret)) - - - ;;; CREATE LIST OF ALL CURRENT BUFFERS - (defun iswitchb-make-buflist (default) "Set `iswitchb-buflist' to the current list of buffers. Currently visible buffers are put at the end of the list. @@ -717,8 +669,7 @@ it is put to the start of the list." (if default (progn (setq buflist (delete default buflist)) - (setq buflist (cons default buflist)) - )) + (setq buflist (cons default buflist)))) buflist))) (defun iswitchb-to-end (lst) @@ -729,8 +680,6 @@ it is put to the start of the list." lst) (nconc buflist lst)) - - (defun iswitchb-get-buffers-in-frames (&optional current) "Return the list of buffers that are visible in the current frame. If optional argument `current' is given, restrict searching to the @@ -743,7 +692,6 @@ current frame, rather than all frames, regardless of value of iswitchb-all-frames)) iswitchb-bufs-in-frame)) - (defun iswitchb-get-bufname (win) "Used by `iswitchb-get-buffers-in-frames' to walk through all windows." (let ((buf (buffer-name (window-buffer win)))) @@ -754,16 +702,13 @@ current frame, rather than all frames, regardless of value of (setq iswitchb-bufs-in-frame (cons buf iswitchb-bufs-in-frame))))) - ;;; FIND MATCHING BUFFERS - (defun iswitchb-set-matches () "Set `iswitchb-matches' to the list of buffers matching prompt." (if iswitchb-rescan (setq iswitchb-matches - (let* ((buflist iswitchb-buflist) - ) + (let* ((buflist iswitchb-buflist)) (iswitchb-get-matched-buffers iswitchb-text iswitchb-regexp buflist))))) @@ -777,8 +722,7 @@ BUFFER-LIST can be list of buffers or list of strings." (list (reverse buffer-list)) (do-string (stringp (car list))) name - ret - ) + ret) (mapcar (lambda (x) @@ -791,24 +735,18 @@ BUFFER-LIST can be list of buffers or list of strings." (and (null string-format) (string-match (regexp-quote regexp) name))) - (not (iswitchb-ignore-buffername-p name)) - ) + (not (iswitchb-ignore-buffername-p name))) (setq ret (cons name ret)) ))) list) - ret - )) - - - + ret)) (defun iswitchb-ignore-buffername-p (bufname) "Return t if the buffer BUFNAME should be ignored." (let ((data (match-data)) (re-list iswitchb-buffer-ignore) ignorep - nextstr - ) + nextstr) (while re-list (setq nextstr (car re-list)) (cond @@ -821,15 +759,12 @@ BUFFER-LIST can be list of buffers or list of strings." (if (funcall nextstr bufname) (progn (setq ignorep t) - (setq re-list nil)) - )) - ) + (setq re-list nil))))) (setq re-list (cdr re-list))) (set-match-data data) ;; return the result - ignorep) - ) + ignorep)) (defun iswitchb-word-matching-substring (word) "Return part of WORD before 1st match to `iswitchb-change-word-sub'. @@ -845,8 +780,7 @@ If `iswitchb-change-word-sub' cannot be found in WORD, return nil." "Return common string following SUBS in each element of LIS." (let (res alist - iswitchb-change-word-sub - ) + iswitchb-change-word-sub) (setq iswitchb-change-word-sub (if iswitchb-regexp subs @@ -858,9 +792,7 @@ If `iswitchb-change-word-sub' cannot be found in WORD, return nil." ;; try-completion returns t if there is an exact match. (let ((completion-ignore-case iswitchb-case)) - (try-completion subs alist) - ))) - + (try-completion subs alist)))) (defun iswitchb-makealist (res) "Return dotted pair (RES . 1)." @@ -878,9 +810,7 @@ Return the modified list with the last element prepended to it." (setq prev las las (cdr las))) (setcdr prev nil) - (cons (car las) lis)) - )) - + (cons (car las) lis)))) (defun iswitchb-completion-help () "Show possible completions in a *Buffer Completions* buffer." @@ -903,9 +833,7 @@ Return the modified list with the last element prepended to it." (if (pos-visible-in-window-p (point-max) win) (set-window-start win (point-min)) (scroll-other-window)) - (set-buffer buf) - ) - + (set-buffer buf)) (with-output-to-temp-buffer temp-buf (if iswitchb-xemacs @@ -925,8 +853,6 @@ Return the modified list with the last element prepended to it." iswitchb-buflist)) ))))) - - ;;; KILL CURRENT BUFFER (defun iswitchb-kill-buffer () @@ -950,7 +876,6 @@ Return the modified list with the last element prepended to it." ;; else buffer was killed so remove name from list. (setq iswitchb-buflist (delq buf iswitchb-buflist))))))) - ;;; VISIT CHOSEN BUFFER (defun iswitchb-visit-buffer (buffer) "Visit buffer named BUFFER according to `iswitchb-method'." @@ -971,15 +896,12 @@ Return the modified list with the last element prepended to it." (if (not iswitchb-xemacs) ;; reposition mouse to make frame active. not needed in XEmacs ;; This line came from the other-frame defun in Emacs. - (set-mouse-position (selected-frame) (1- (frame-width)) 0)) - ) + (set-mouse-position (selected-frame) (1- (frame-width)) 0))) (t ;; No buffer in other frames... (switch-to-buffer buffer) ))) - - ((eq iswitchb-method 'otherwindow) (switch-to-buffer-other-window buffer)) @@ -991,8 +913,7 @@ Return the modified list with the last element prepended to it." (switch-to-buffer-other-frame buffer) (if (not iswitchb-xemacs) (set-mouse-position (selected-frame) (1- (frame-width)) 0)) - ) - ) ))) + ))))) (defun iswitchb-possible-new-buffer (buf) "Possibly create and visit a new buffer called BUF." @@ -1014,8 +935,7 @@ Return the modified list with the last element prepended to it." (set-buffer-major-mode newbufcreated)) (iswitchb-visit-buffer newbufcreated)) ;; else wont create new buffer - (message (format "no buffer matching `%s'" buf)) - ))) + (message (format "no buffer matching `%s'" buf))))) (defun iswitchb-window-buffer-p (buffer) "Return window pointer if BUFFER is visible in another frame. @@ -1039,7 +959,6 @@ Call this function to override the normal bindings." (global-set-key (read-kbd-macro "C-x 4 C-o") 'iswitchb-display-buffer) (global-set-key (read-kbd-macro "C-x 5 b") 'iswitchb-buffer-other-frame)) - ;;;###autoload (defun iswitchb-buffer () "Switch to another buffer. @@ -1053,7 +972,6 @@ For details of keybindings, do `\\[describe-function] iswitchb'." (setq iswitchb-method iswitchb-default-method) (iswitchb)) - ;;;###autoload (defun iswitchb-buffer-other-window () "Switch to another buffer and show it in another window. @@ -1063,8 +981,6 @@ For details of keybindings, do `\\[describe-function] iswitchb'." (setq iswitchb-method 'otherwindow) (iswitchb)) - - ;;;###autoload (defun iswitchb-display-buffer () "Display a buffer in another window but don't select it. @@ -1074,8 +990,6 @@ For details of keybindings, do `\\[describe-function] iswitchb'." (setq iswitchb-method 'display) (iswitchb)) - - ;;;###autoload (defun iswitchb-buffer-other-frame () "Switch to another buffer and show it in another frame. @@ -1103,13 +1017,11 @@ This is a hack for XEmacs, and should really be handled by `iswitchb-exhibit'." (iswitchb-exhibit) (goto-char (point-min))))) - ;; add this hook for XEmacs only. (if iswitchb-xemacs (add-hook 'iswitchb-minibuffer-setup-hook 'iswitchb-init-XEmacs-trick)) - ;;; XEmacs / backspace key ;; For some reason, if the backspace key is pressed in XEmacs, the ;; line gets confused, so I've added a simple key definition to make @@ -1118,16 +1030,12 @@ This is a hack for XEmacs, and should really be handled by `iswitchb-exhibit'." (defun iswitchb-xemacs-backspacekey () "Bind backspace to `backward-delete-char'." (define-key iswitchb-mode-map '[backspace] 'backward-delete-char) - (define-key iswitchb-mode-map '[(meta backspace)] 'backward-kill-word) - ) - + (define-key iswitchb-mode-map '[(meta backspace)] 'backward-kill-word)) (if iswitchb-xemacs (add-hook 'iswitchb-define-mode-map-hook 'iswitchb-xemacs-backspacekey)) - - ;;; ICOMPLETE TYPE CODE (defun iswitchb-exhibit () @@ -1163,8 +1071,6 @@ Copied from `icomplete-exhibit' with two changes: (not minibuffer-completion-confirm))) )))) - - (defun iswitchb-completions (name candidates predicate require-match) "Return the string that is displayed after the user's text. @@ -1177,8 +1083,7 @@ Modified from `icomplete-completions'." ;"-prospects" - more than one candidate (open-bracket-prospects "{") (close-bracket-prospects "}") - first - ) + first) (if (and iswitchb-use-fonts comps) (progn @@ -1189,8 +1094,7 @@ Modified from `icomplete-completions'." 'font-lock-comment-face 'font-lock-function-name-face) first) - (setq comps (cons first (cdr comps))) - )) + (setq comps (cons first (cdr comps))))) (cond ((null comps) (format " %sNo match%s" open-bracket-determined @@ -1205,8 +1109,7 @@ Modified from `icomplete-completions'." (car comps) close-bracket-determined) "") - (if (not iswitchb-use-fonts) " [Matched]") - )) + (if (not iswitchb-use-fonts) " [Matched]"))) (t ;multiple matches (let* ( ;;(most (try-completion name candidates predicate)) @@ -1240,8 +1143,7 @@ Modified from `icomplete-completions'." (concat open-bracket-determined (substring iswitchb-common-match-string (length name)) - close-bracket-determined) - ) + close-bracket-determined)) ;; end of partial matches... ;; think this bit can be ignored. @@ -1255,8 +1157,7 @@ Modified from `icomplete-completions'." (if most-is-exact (concat "," alternatives) alternatives) - close-bracket-prospects))) - ))) + close-bracket-prospects)))))) (defun iswitchb-minibuffer-setup () "Set up minibuffer for `iswitchb-buffer'. @@ -1275,22 +1176,15 @@ Copied from `icomplete-minibuffer-setup-hook'." 'iswitchb-post-command nil t) - (run-hooks 'iswitchb-minibuffer-setup-hook) - ) - )) - + (run-hooks 'iswitchb-minibuffer-setup-hook)))) (defun iswitchb-pre-command () "Run before command in `iswitchb-buffer'." (iswitchb-tidy)) - (defun iswitchb-post-command () "Run after command in `iswitchb-buffer'." - (iswitchb-exhibit) - ) - - + (iswitchb-exhibit)) (defun iswitchb-tidy () "Remove completions display, if any, prior to new user input. @@ -1309,7 +1203,6 @@ Copied from `icomplete-tidy'." (make-local-variable 'iswitchb-eoinput) (setq iswitchb-eoinput 1))) - (defun iswitchb-entryfn-p () "Return non-nil if `this-command' shows we are using `iswitchb-buffer'." (or (boundp 'iswitchb-prepost-hooks) @@ -1323,10 +1216,6 @@ Copied from `icomplete-tidy'." ;; iswitchb-buffer-other-window)))) )) - - - - (defun iswitchb-summaries-to-end () "Move the summaries to the end of the list. This is an example function which can be hooked on to @@ -1338,13 +1227,9 @@ This is an example function which can be hooked on to (string-match "Summary" x) (string-match "output\\*$" x)) x)) - buflist) - ))) - + buflist)))) (iswitchb-to-end summaries))) - - ;;; HOOKS (add-hook 'minibuffer-setup-hook 'iswitchb-minibuffer-setup) -- 2.39.2