;;; finder.el --- topic & keyword-based code finder
-;; Copyright (C) 1992, 1997, 1998 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1997, 1998, 1999, 2001 Free Software Foundation, Inc.
;; Author: Eric S. Raymond <esr@snark.thyrsus.com>
;; Created: 16 Jun 1992
;;; Code:
(require 'lisp-mnt)
-(require 'finder-inf)
+;; Use `load' rather than `require' so that it doesn't get loaded
+;; during byte-compilation (at which point it might be missing).
+(load "finder-inf" nil t)
;; 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")
+ ;; Too specific:
(bib . "code related to the `bib' bibliography processor")
(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")
+ (convenience . "convenience features for faster editing")
(data . "support editing files of data")
(docs . "support for Emacs documentation")
(emulations . "emulations of other editors")
(extensions . "Emacs Lisp language extensions")
(faces . "support for multiple fonts")
+ (files . "support for editing and manipulating files")
(frames . "support for Emacs frames and window systems")
(games . "games, jokes and amusements")
(hardware . "support for interfacing with exotic hardware")
(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")
(tex . "code related to the TeX formatter")
(tools . "programming tools")
(unix . "front-ends/assistants for, or emulators of, UNIX features")
- (vms . "support code for vms")
+;; Not a custom group and not currently useful.
+;; (vms . "support code for vms")
(wp . "word processing")
))
(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")
(erase-buffer)
(insert ";;; finder-inf.el --- keyword-to-package mapping\n")
+ (insert ";; This file is part of GNU Emacs.\n")
(insert ";; Keywords: help\n")
(insert ";;; Commentary:\n")
(insert ";; Don't edit this file. It's generated by finder.el\n\n")
(when (file-exists-p (directory-file-name d))
(message "Directory %s" d)
(mapcar
- (lambda (f)
+ (lambda (f)
(if (and (or (string-match "^[^=].*\\.el$" f)
;; Allow compressed files also. Fixme:
;; generalize this, especially for
(insert
(format " (\"%s\"\n "
(if (string-match "\\.\\(gz\\|Z\\)$" f)
- (file-name-sans-extension f)
+ (file-name-sans-extension f)
f)))
(prin1 summary (current-buffer))
(insert
)))
(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-insert-at-column (column &rest strings)
"Insert, at column COLUMN, other args STRINGS."
- (if (> (current-column) column) (insert "\n"))
+ (if (>= (current-column) column) (insert "\n"))
(move-to-column column t)
(apply 'insert strings))
+(defvar finder-help-echo nil)
+
(defun finder-mouse-face-on-line ()
- "Put a `mouse-face' property on the previous line."
+ "Put `mouse-face' and `help-echo' properties 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)))
-
+ (unless finder-help-echo
+ (setq finder-help-echo
+ (let* ((keys1 (where-is-internal 'finder-select
+ finder-mode-map))
+ (keys (nconc (where-is-internal
+ 'finder-mouse-select finder-mode-map)
+ keys1)))
+ (concat (mapconcat 'key-description keys ", ")
+ ": select item"))))
+ (add-text-properties
+ (line-beginning-position) (line-end-position)
+ '(mouse-face highlight
+ help-echo finder-help-echo))))
+
+;;;###autoload
(defun finder-list-keywords ()
"Display descriptions of the keywords in the Finder buffer."
(interactive)
(finder-mode)
(setq buffer-read-only nil)
(erase-buffer)
- (mapcar
+ (mapc
(lambda (assoc)
(let ((keyword (car assoc)))
(insert (symbol-name keyword))
(insert
"The following packages match the keyword `" key "':\n\n")
(setq finder-headmark (point))
- (mapcar
+ (mapc
(lambda (x)
(if (memq id (car (cdr (cdr x))))
(progn
(shrink-window-if-larger-than-buffer)
(finder-summary)))
-;; Search for a file named FILE on `load-path', also trying compressed
-;; versions if jka-compr is in use.
(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)
;; last resort for MS-DOG et al
(locate-library (concat library "z"))))))
+;;;###autoload
(defun finder-commentary (file)
- "Display FILE's commentary section."
- (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 ()
(goto-char (posn-point (event-start event)))
(finder-select)))
+;;;###autoload
(defun finder-by-keyword ()
"Find packages matching a given keyword."
(interactive)
"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)
(use-local-map finder-mode-map)
(set-syntax-table emacs-lisp-mode-syntax-table)
(and (get-buffer "*Finder Category*")
(kill-buffer "*Finder Category*")))
+\f
(provide 'finder)
;;; finder.el ends here