;;; finder.el --- topic & keyword-based code finder
-;; Copyright (C) 1992 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1997, 1998, 1999 Free Software Foundation, Inc.
;; Author: Eric S. Raymond <esr@snark.thyrsus.com>
;; Created: 16 Jun 1992
;; Local variable in finder buffer.
(defvar finder-headmark)
+;; These are supposed to correspond to top-level customization groups,
+;; says rms.
(defvar finder-known-keywords
'(
(abbrev . "abbreviation handling, typing shortcuts, macros")
(c . "support for the C language and related languages")
(calendar . "calendar and time management support")
(comm . "communications, networking, remote access to files")
+ (convenience . "convenience features for faster editing")
(data . "support editing files of data")
(docs . "support for Emacs documentation")
(emulations . "emulations of other editors")
(mail . "modes for electronic-mail handling")
(matching . "various sorts of searching and matching")
(mouse . "mouse support")
+ (multimedia . "images and sound support")
(news . "support for netnews reading and posting")
(oop . "support for object-oriented programming")
(outlines . "support for hierarchical outlining")
(let ((map (make-sparse-keymap)))
(define-key map " " 'finder-select)
(define-key map "f" 'finder-select)
+ (define-key map [mouse-2] 'finder-mouse-select)
(define-key map "\C-m" 'finder-select)
(define-key map "?" 'finder-summary)
(define-key map "q" 'finder-exit)
(defun finder-compile-keywords (&rest dirs)
"Regenerate the keywords association list into the file `finder-inf.el'.
-Optional arguments are a list of Emacs Lisp directories to compile from; no
-arguments compiles from `load-path'."
+Optional arguments DIRS are a list of Emacs Lisp directories to compile from;
+no arguments compiles from `load-path'."
(save-excursion
(let ((processed nil))
(find-file "finder-inf.el")
(insert "\n(setq finder-package-info '(\n")
(mapcar
(lambda (d)
- (mapcar
- (lambda (f)
- (if (and (string-match "^[^=].*\\.el$" f)
- (not (member f processed)))
- (let (summary keystart keywords)
- (setq processed (cons f processed))
- (save-excursion
- (set-buffer (get-buffer-create "*finder-scratch*"))
- (buffer-disable-undo (current-buffer))
- (erase-buffer)
- (insert-file-contents
- (concat (file-name-as-directory (or d ".")) f))
- (setq summary (lm-synopsis))
- (setq keywords (lm-keywords)))
- (insert
- (format " (\"%s\"\n " f))
- (prin1 summary (current-buffer))
- (insert
- "\n ")
- (setq keystart (point))
- (insert
- (if keywords (format "(%s)" keywords) "nil")
- ")\n")
- (subst-char-in-region keystart (point) ?, ? )
- )))
- (directory-files (or d "."))))
+ (when (file-exists-p (directory-file-name d))
+ (message "Directory %s" d)
+ (mapcar
+ (lambda (f)
+ (if (and (or (string-match "^[^=].*\\.el$" f)
+ ;; Allow compressed files also. Fixme:
+ ;; generalize this, especially for
+ ;; MS-DOG-type filenames.
+ (and (string-match "^[^=].*\\.el\\.\\(gz\\|Z\\)$" f)
+ (require 'jka-compr)))
+ ;; Ignore lock files.
+ (not (string-match "^.#" f))
+ (not (member f processed)))
+ (let (summary keystart keywords)
+ (setq processed (cons f processed))
+ (save-excursion
+ (set-buffer (get-buffer-create "*finder-scratch*"))
+ (buffer-disable-undo (current-buffer))
+ (erase-buffer)
+ (insert-file-contents
+ (concat (file-name-as-directory (or d ".")) f))
+ (setq summary (lm-synopsis))
+ (setq keywords (lm-keywords)))
+ (insert
+ (format " (\"%s\"\n "
+ (if (string-match "\\.\\(gz\\|Z\\)$" f)
+ (file-name-sans-extension f)
+ f)))
+ (prin1 summary (current-buffer))
+ (insert
+ "\n ")
+ (setq keystart (point))
+ (insert
+ (if keywords (format "(%s)" keywords) "nil")
+ ")\n")
+ (subst-char-in-region keystart (point) ?, ? )
+ )))
+ (directory-files (or d ".")))))
(or dirs load-path))
- (insert "))\n\n(provide 'finder-inf)\n\n;;; finder-inf.el ends here\n")
+ (insert "))\n
+\(provide 'finder-inf)
+
+;;; Local Variables:
+;;; version-control: never
+;;; no-byte-compile: t
+;;; no-update-autoloads: t
+;;; End:
+;;; finder-inf.el ends here\n")
(kill-buffer "*finder-scratch*")
(eval-current-buffer) ;; So we get the new keyword list immediately
(basic-save-buffer))))
+(defun finder-compile-keywords-make-dist ()
+ "Regenerate `finder-inf.el' for the Emacs distribution."
+ (apply 'finder-compile-keywords command-line-args-left)
+ (kill-emacs))
+
;;; Now the retrieval code
(defun finder-insert-at-column (column &rest strings)
- "Insert list of STRINGS, at column COLUMN."
+ "Insert, at column COLUMN, other args STRINGS."
(if (> (current-column) column) (insert "\n"))
- (move-to-column column)
- (let ((col (current-column)))
- (if (< col column)
- (indent-to column)
- (if (and (/= col column)
- (= (preceding-char) ?\t))
- (let (indent-tabs-mode)
- (delete-char -1)
- (indent-to col)
- (move-to-column column)))))
+ (move-to-column column t)
(apply 'insert strings))
+(defun finder-mouse-face-on-line ()
+ "Put a `mouse-face' property on the previous line."
+ (save-excursion
+ (previous-line 1)
+ (put-text-property (save-excursion (beginning-of-line) (point))
+ (progn (end-of-line) (point))
+ 'mouse-face 'highlight)))
+
+;;;###autoload
(defun finder-list-keywords ()
"Display descriptions of the keywords in the Finder buffer."
(interactive)
- (setq buffer-read-only nil)
- (erase-buffer)
- (mapcar
- (lambda (assoc)
- (let ((keyword (car assoc)))
- (insert (symbol-name keyword))
- (finder-insert-at-column 14 (concat (cdr assoc) "\n"))
- (cons (symbol-name keyword) keyword)))
- finder-known-keywords)
- (goto-char (point-min))
- (setq finder-headmark (point))
- (setq buffer-read-only t)
- (set-buffer-modified-p nil)
- (balance-windows)
- (finder-summary))
+ (if (get-buffer "*Finder*")
+ (pop-to-buffer "*Finder*")
+ (pop-to-buffer (set-buffer (get-buffer-create "*Finder*")))
+ (finder-mode)
+ (setq buffer-read-only nil)
+ (erase-buffer)
+ (mapcar
+ (lambda (assoc)
+ (let ((keyword (car assoc)))
+ (insert (symbol-name keyword))
+ (finder-insert-at-column 14 (concat (cdr assoc) "\n"))
+ (finder-mouse-face-on-line)))
+ finder-known-keywords)
+ (goto-char (point-min))
+ (setq finder-headmark (point))
+ (setq buffer-read-only t)
+ (set-buffer-modified-p nil)
+ (balance-windows)
+ (finder-summary)))
(defun finder-list-matches (key)
+ (pop-to-buffer (set-buffer (get-buffer-create "*Finder Category*")))
+ (finder-mode)
(setq buffer-read-only nil)
(erase-buffer)
(let ((id (intern key)))
(if (memq id (car (cdr (cdr x))))
(progn
(insert (car x))
- (finder-insert-at-column 16 (concat (car (cdr x)) "\n")))))
+ (finder-insert-at-column 16 (concat (nth 1 x) "\n"))
+ (finder-mouse-face-on-line))))
finder-package-info)
(goto-char (point-min))
(forward-line)
(shrink-window-if-larger-than-buffer)
(finder-summary)))
-;; Search for a file named FILE the same way `load' would search.
-(defun finder-find-library (file)
- (if (file-name-absolute-p file)
- file
- (let ((dirs load-path)
- found)
- (while (and dirs (not found))
- (if (file-exists-p (expand-file-name (concat file ".el") (car dirs)))
- (setq found (expand-file-name file (car dirs)))
- (if (file-exists-p (expand-file-name file (car dirs)))
- (setq found (expand-file-name file (car dirs)))))
- (setq dirs (cdr dirs)))
- found)))
+(defun finder-find-library (library)
+ "Search for file LIBRARY on `load-path'.
+Try compressed versions if jka-compr is in use."
+ (or (locate-library library t)
+ (if (rassq 'jka-compr-handler file-name-handler-alist)
+ (or (locate-library (concat library ".gz") t)
+ (locate-library (concat library ".Z") t)
+ ;; last resort for MS-DOG et al
+ (locate-library (concat library "z"))))))
+;;;###autoload
(defun finder-commentary (file)
- (interactive)
- (let* ((str (lm-commentary (finder-find-library file))))
+ "Display FILE's commentary section.
+FILE should be in a form suitable for passing to `locate-library'."
+ (interactive "sLibrary name: ")
+ (let* ((str (lm-commentary (or (finder-find-library file)
+ (finder-find-library (concat file ".el"))
+ (error "Can't find library %s" file)))))
(if (null str)
(error "Can't find any Commentary section"))
(pop-to-buffer "*Finder*")
(setq buffer-read-only t)
(set-buffer-modified-p nil)
(shrink-window-if-larger-than-buffer)
+ (finder-mode)
(finder-summary)))
(defun finder-current-item ()
(current-word))))
(defun finder-select ()
+ "Select item on current line in a finder buffer."
(interactive)
(let ((key (finder-current-item)))
- (if (string-match "\\.el$" key)
- (finder-commentary key)
- (finder-list-matches key))))
+ (if (string-match "\\.el$" key)
+ (finder-commentary key)
+ (finder-list-matches key))))
+(defun finder-mouse-select (event)
+ "Select item in a finder buffer with the mouse."
+ (interactive "e")
+ (save-excursion
+ (set-buffer (window-buffer (posn-window (event-start event))))
+ (goto-char (posn-point (event-start event)))
+ (finder-select)))
+
+;;;###autoload
(defun finder-by-keyword ()
"Find packages matching a given keyword."
(interactive)
- (finder-mode)
(finder-list-keywords))
(defun finder-mode ()
"Major mode for browsing package documentation.
\\<finder-mode-map>
\\[finder-select] more help for the item on the current line
-\\[finder-exit] exit Finder mode and kill the Finder buffer.
-"
+\\[finder-exit] exit Finder mode and kill the Finder buffer."
(interactive)
- (pop-to-buffer "*Finder*")
- (setq buffer-read-only nil)
- (erase-buffer)
(use-local-map finder-mode-map)
(set-syntax-table emacs-lisp-mode-syntax-table)
(setq mode-name "Finder")
(interactive)
(message "%s"
(substitute-command-keys
- "\\<finder-mode-map>\\[finder-select] = select, \\[finder-list-keywords] = to finder directory, \\[finder-exit] = quit, \\[finder-summary] = help")))
+ "\\<finder-mode-map>\\[finder-select] = select, \
+\\[finder-mouse-select] = select, \\[finder-list-keywords] = to \
+finder directory, \\[finder-exit] = quit, \\[finder-summary] = help")))
(defun finder-exit ()
- "Exit Finder mode and kill the buffer"
+ "Exit Finder mode and kill the buffer."
(interactive)
- (delete-window)
- (kill-buffer "*Finder*"))
+ (or (one-window-p t)
+ (delete-window))
+ ;; Can happen in either buffer -- kill each of the two that exists
+ (and (get-buffer "*Finder*")
+ (kill-buffer "*Finder*"))
+ (and (get-buffer "*Finder Category*")
+ (kill-buffer "*Finder Category*")))
+\f
(provide 'finder)
;;; finder.el ends here
HCoop / bpt / emacs.git / blobdiff