1992-07-24 20:55:13 +00:00
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;;; finder.el --- topic & keyword-based code finder
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2004-03-26 14:54:17 +00:00
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;; Copyright (C) 1992,97,98,1999,2001,2004 Free Software Foundation, Inc.
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1992-07-24 20:55:13 +00:00
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;; Author: Eric S. Raymond <esr@snark.thyrsus.com>
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;; Created: 16 Jun 1992
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;; Version: 1.0
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;; Keywords: help
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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1995-06-15 20:42:24 +00:00
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;; the Free Software Foundation; either version 2, or (at your option)
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1992-07-24 20:55:13 +00:00
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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1996-01-14 07:34:30 +00:00
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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1992-07-24 20:55:13 +00:00
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1993-04-14 03:34:39 +00:00
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;;; Commentary:
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1992-07-24 20:55:13 +00:00
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;; This mode uses the Keywords library header to provide code-finding
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;; services by keyword.
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;;
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;; Things to do:
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;; 1. Support multiple keywords per search. This could be extremely hairy;
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;; there doesn't seem to be any way to get completing-read to exit on
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;; an EOL with no substring pending, which is what we'd want to end the loop.
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;; 2. Search by string in synopsis line?
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;; 3. Function to check finder-package-info for unknown keywords.
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;;; Code:
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(require 'lisp-mnt)
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2002-09-11 21:28:51 +00:00
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(require 'find-func) ;for find-library(-suffixes)
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2002-03-22 23:27:35 +00:00
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;; Use `load' rather than `require' so that it doesn't get loaded
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;; during byte-compilation (at which point it might be missing).
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2002-10-10 15:04:41 +00:00
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(load "finder-inf" t t)
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1992-07-24 20:55:13 +00:00
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2003-09-19 14:28:46 +00:00
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(defvar finder-mode-hook nil
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"*Hook run when function `finder-mode' is called.")
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1993-05-23 23:10:14 +00:00
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;; Local variable in finder buffer.
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(defvar finder-headmark)
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1999-09-09 20:06:35 +00:00
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;; These are supposed to correspond to top-level customization groups,
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;; says rms.
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1992-07-24 20:55:13 +00:00
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(defvar finder-known-keywords
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'(
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1993-03-19 21:32:09 +00:00
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(abbrev . "abbreviation handling, typing shortcuts, macros")
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2000-11-12 00:42:36 +00:00
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;; Too specific:
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1993-11-23 20:14:17 +00:00
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(bib . "code related to the `bib' bibliography processor")
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1995-04-17 18:42:29 +00:00
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(c . "support for the C language and related languages")
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1992-07-24 20:55:13 +00:00
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(calendar . "calendar and time management support")
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1993-03-18 21:29:42 +00:00
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(comm . "communications, networking, remote access to files")
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1998-05-30 17:57:14 +00:00
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(convenience . "convenience features for faster editing")
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2004-03-22 07:45:47 +00:00
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(data . "support for editing files of data")
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1992-07-24 20:55:13 +00:00
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(docs . "support for Emacs documentation")
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(emulations . "emulations of other editors")
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(extensions . "Emacs Lisp language extensions")
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1993-11-23 20:14:17 +00:00
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(faces . "support for multiple fonts")
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2000-11-12 00:42:36 +00:00
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(files . "support for editing and manipulating files")
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1995-04-14 23:16:06 +00:00
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(frames . "support for Emacs frames and window systems")
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1992-07-24 20:55:13 +00:00
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(games . "games, jokes and amusements")
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(hardware . "support for interfacing with exotic hardware")
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(help . "support for on-line help systems")
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1995-04-14 23:16:06 +00:00
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(hypermedia . "support for links between text or other media types")
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1993-05-23 23:10:14 +00:00
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(i18n . "internationalization and alternate character-set support")
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1992-07-24 20:55:13 +00:00
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(internal . "code for Emacs internals, build process, defaults")
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(languages . "specialized modes for editing programming languages")
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(lisp . "Lisp support, including Emacs Lisp")
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(local . "code local to your site")
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(maint . "maintenance aids for the Emacs development group")
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(mail . "modes for electronic-mail handling")
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1993-11-23 20:14:17 +00:00
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(matching . "various sorts of searching and matching")
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(mouse . "mouse support")
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1999-08-17 14:09:14 +00:00
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(multimedia . "images and sound support")
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1992-07-24 20:55:13 +00:00
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(news . "support for netnews reading and posting")
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1995-04-14 23:16:06 +00:00
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(oop . "support for object-oriented programming")
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(outlines . "support for hierarchical outlining")
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1992-07-24 20:55:13 +00:00
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(processes . "process, subshell, compilation, and job control support")
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(terminals . "support for terminal types")
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2004-03-22 07:45:47 +00:00
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(tex . "supporting code for the TeX formatter")
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1992-07-24 20:55:13 +00:00
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(tools . "programming tools")
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2004-03-22 07:45:47 +00:00
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(unix . "front-ends/assistants for, or emulators of, UNIX-like features")
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2000-11-12 00:42:36 +00:00
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;; Not a custom group and not currently useful.
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;; (vms . "support code for vms")
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1992-07-24 20:55:13 +00:00
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(wp . "word processing")
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))
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2004-03-26 14:54:17 +00:00
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(defvar finder-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map " " 'finder-select)
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(define-key map "f" 'finder-select)
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(define-key map [mouse-2] 'finder-mouse-select)
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(define-key map "\C-m" 'finder-select)
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(define-key map "?" 'finder-summary)
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(define-key map "q" 'finder-exit)
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(define-key map "d" 'finder-list-keywords)
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map))
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1994-10-01 04:24:56 +00:00
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1993-04-14 03:34:39 +00:00
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1992-07-24 20:55:13 +00:00
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;;; Code for regenerating the keyword list.
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(defvar finder-package-info nil
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"Assoc list mapping file names to description & keyword lists.")
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2002-12-29 17:59:00 +00:00
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(defvar generated-finder-keywords-file "finder-inf.el"
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"File \\[finder-compile-keywords] puts finder keywords into.")
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1992-07-24 20:55:13 +00:00
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(defun finder-compile-keywords (&rest dirs)
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2002-12-29 17:59:00 +00:00
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"Regenerate the keywords association list into `generated-finder-keywords-file'.
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1999-01-29 18:27:10 +00:00
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Optional arguments DIRS are a list of Emacs Lisp directories to compile from;
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no arguments compiles from `load-path'."
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1992-07-24 20:55:13 +00:00
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(save-excursion
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1993-03-17 14:26:35 +00:00
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(let ((processed nil))
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2002-12-29 17:59:00 +00:00
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(find-file generated-finder-keywords-file)
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1993-03-17 14:26:35 +00:00
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(erase-buffer)
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2002-12-29 17:59:00 +00:00
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(insert ";;; " (file-name-nondirectory generated-finder-keywords-file)
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" --- keyword-to-package mapping\n")
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2001-07-16 12:23:00 +00:00
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(insert ";; This file is part of GNU Emacs.\n")
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1993-04-03 23:28:03 +00:00
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(insert ";;; Commentary:\n")
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(insert ";; Don't edit this file. It's generated by finder.el\n\n")
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(insert ";;; Code:\n")
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1993-03-17 14:26:35 +00:00
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(insert "\n(setq finder-package-info '(\n")
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(mapcar
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1996-02-20 14:48:08 +00:00
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(lambda (d)
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1998-04-24 21:24:44 +00:00
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(when (file-exists-p (directory-file-name d))
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(message "Directory %s" d)
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(mapcar
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1999-01-29 18:27:10 +00:00
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(lambda (f)
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1998-04-24 21:24:44 +00:00
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(if (and (or (string-match "^[^=].*\\.el$" f)
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;; Allow compressed files also. Fixme:
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;; generalize this, especially for
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;; MS-DOG-type filenames.
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(and (string-match "^[^=].*\\.el\\.\\(gz\\|Z\\)$" f)
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(require 'jka-compr)))
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;; Ignore lock files.
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(not (string-match "^.#" f))
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(not (member f processed)))
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(let (summary keystart keywords)
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(setq processed (cons f processed))
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(save-excursion
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(set-buffer (get-buffer-create "*finder-scratch*"))
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(buffer-disable-undo (current-buffer))
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(erase-buffer)
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(insert-file-contents
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(concat (file-name-as-directory (or d ".")) f))
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(setq summary (lm-synopsis))
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(setq keywords (lm-keywords)))
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(insert
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(format " (\"%s\"\n "
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(if (string-match "\\.\\(gz\\|Z\\)$" f)
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1999-01-29 18:27:10 +00:00
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(file-name-sans-extension f)
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1998-04-24 21:24:44 +00:00
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f)))
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(prin1 summary (current-buffer))
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(insert
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"\n ")
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(setq keystart (point))
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(insert
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(if keywords (format "(%s)" keywords) "nil")
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")\n")
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(subst-char-in-region keystart (point) ?, ? )
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)))
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(directory-files (or d ".")))))
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1993-03-17 14:26:35 +00:00
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(or dirs load-path))
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2000-08-16 20:49:45 +00:00
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(insert "))\n
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2002-12-29 17:59:00 +00:00
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\(provide '" (file-name-sans-extension
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(file-name-nondirectory generated-finder-keywords-file)) ")
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2000-08-16 20:49:45 +00:00
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;;; Local Variables:
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;;; version-control: never
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;;; no-byte-compile: t
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;;; no-update-autoloads: t
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;;; End:
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2002-12-29 17:59:00 +00:00
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;;; " (file-name-nondirectory generated-finder-keywords-file) " ends here\n")
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1993-03-17 14:26:35 +00:00
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(kill-buffer "*finder-scratch*")
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2005-05-18 10:17:59 +00:00
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(eval-buffer) ;; So we get the new keyword list immediately
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1996-02-20 14:48:08 +00:00
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(basic-save-buffer))))
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1992-07-24 20:55:13 +00:00
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1996-02-25 22:59:08 +00:00
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(defun finder-compile-keywords-make-dist ()
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"Regenerate `finder-inf.el' for the Emacs distribution."
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1997-05-12 00:49:50 +00:00
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(apply 'finder-compile-keywords command-line-args-left)
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(kill-emacs))
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1996-02-25 22:59:08 +00:00
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1992-07-24 20:55:13 +00:00
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;;; Now the retrieval code
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1996-02-20 14:48:08 +00:00
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(defun finder-insert-at-column (column &rest strings)
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1998-04-28 18:06:36 +00:00
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"Insert, at column COLUMN, other args STRINGS."
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2001-07-11 01:40:16 +00:00
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(if (>= (current-column) column) (insert "\n"))
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1998-04-28 18:06:36 +00:00
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(move-to-column column t)
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1996-02-20 14:48:08 +00:00
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(apply 'insert strings))
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2000-11-12 00:42:36 +00:00
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(defvar finder-help-echo nil)
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1998-04-28 18:06:36 +00:00
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(defun finder-mouse-face-on-line ()
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2000-11-12 00:42:36 +00:00
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"Put `mouse-face' and `help-echo' properties on the previous line."
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1998-04-28 18:06:36 +00:00
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(save-excursion
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(previous-line 1)
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2000-11-12 00:42:36 +00:00
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(unless finder-help-echo
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(setq finder-help-echo
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(let* ((keys1 (where-is-internal 'finder-select
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finder-mode-map))
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(keys (nconc (where-is-internal
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'finder-mouse-select finder-mode-map)
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keys1)))
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(concat (mapconcat 'key-description keys ", ")
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": select item"))))
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(add-text-properties
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(line-beginning-position) (line-end-position)
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'(mouse-face highlight
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help-echo finder-help-echo))))
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1998-04-28 18:06:36 +00:00
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2000-04-09 20:24:49 +00:00
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;;;###autoload
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1993-04-14 03:34:39 +00:00
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(defun finder-list-keywords ()
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"Display descriptions of the keywords in the Finder buffer."
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(interactive)
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1997-06-12 03:51:53 +00:00
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(if (get-buffer "*Finder*")
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(pop-to-buffer "*Finder*")
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1997-06-17 21:51:35 +00:00
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(pop-to-buffer (set-buffer (get-buffer-create "*Finder*")))
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1997-06-12 03:51:53 +00:00
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(finder-mode)
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(setq buffer-read-only nil)
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(erase-buffer)
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2000-11-12 00:42:36 +00:00
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(mapc
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1997-06-12 03:51:53 +00:00
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(lambda (assoc)
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(let ((keyword (car assoc)))
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(insert (symbol-name keyword))
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(finder-insert-at-column 14 (concat (cdr assoc) "\n"))
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1998-04-28 18:06:36 +00:00
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(finder-mouse-face-on-line)))
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1997-06-12 03:51:53 +00:00
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finder-known-keywords)
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(goto-char (point-min))
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(setq finder-headmark (point))
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(setq buffer-read-only t)
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(set-buffer-modified-p nil)
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(balance-windows)
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(finder-summary)))
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1993-04-14 03:34:39 +00:00
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(defun finder-list-matches (key)
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1997-07-09 01:24:54 +00:00
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(pop-to-buffer (set-buffer (get-buffer-create "*Finder Category*")))
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1997-06-12 03:51:53 +00:00
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(finder-mode)
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1993-04-14 03:34:39 +00:00
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(setq buffer-read-only nil)
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(erase-buffer)
|
|
|
|
|
(let ((id (intern key)))
|
|
|
|
|
(insert
|
|
|
|
|
"The following packages match the keyword `" key "':\n\n")
|
1993-05-23 23:10:14 +00:00
|
|
|
|
(setq finder-headmark (point))
|
2000-11-12 00:42:36 +00:00
|
|
|
|
(mapc
|
1996-02-20 14:48:08 +00:00
|
|
|
|
(lambda (x)
|
|
|
|
|
(if (memq id (car (cdr (cdr x))))
|
|
|
|
|
(progn
|
|
|
|
|
(insert (car x))
|
1998-04-28 18:06:36 +00:00
|
|
|
|
(finder-insert-at-column 16 (concat (nth 1 x) "\n"))
|
|
|
|
|
(finder-mouse-face-on-line))))
|
1993-04-14 03:34:39 +00:00
|
|
|
|
finder-package-info)
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
(forward-line)
|
|
|
|
|
(setq buffer-read-only t)
|
|
|
|
|
(set-buffer-modified-p nil)
|
|
|
|
|
(shrink-window-if-larger-than-buffer)
|
|
|
|
|
(finder-summary)))
|
|
|
|
|
|
2000-04-09 20:24:49 +00:00
|
|
|
|
;;;###autoload
|
1993-04-14 03:34:39 +00:00
|
|
|
|
(defun finder-commentary (file)
|
1999-01-29 18:27:10 +00:00
|
|
|
|
"Display FILE's commentary section.
|
|
|
|
|
FILE should be in a form suitable for passing to `locate-library'."
|
2002-09-11 21:28:51 +00:00
|
|
|
|
(interactive
|
|
|
|
|
(list
|
|
|
|
|
(completing-read "Library name: "
|
|
|
|
|
'locate-file-completion
|
|
|
|
|
(cons (or find-function-source-path load-path)
|
|
|
|
|
(find-library-suffixes)))))
|
|
|
|
|
(let* ((str (lm-commentary (find-library-name file))))
|
1993-04-14 03:34:39 +00:00
|
|
|
|
(if (null str)
|
1994-06-17 20:35:16 +00:00
|
|
|
|
(error "Can't find any Commentary section"))
|
2002-11-18 04:56:45 +00:00
|
|
|
|
;; This used to use *Finder* but that would clobber the
|
|
|
|
|
;; directory of categories.
|
2004-01-05 13:59:08 +00:00
|
|
|
|
(delete-other-windows)
|
2002-11-18 04:56:45 +00:00
|
|
|
|
(pop-to-buffer "*Finder-package*")
|
1993-04-14 03:34:39 +00:00
|
|
|
|
(setq buffer-read-only nil)
|
|
|
|
|
(erase-buffer)
|
|
|
|
|
(insert str)
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
(delete-blank-lines)
|
|
|
|
|
(goto-char (point-max))
|
|
|
|
|
(delete-blank-lines)
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
(while (re-search-forward "^;+ ?" nil t)
|
|
|
|
|
(replace-match "" nil nil))
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
(setq buffer-read-only t)
|
|
|
|
|
(set-buffer-modified-p nil)
|
|
|
|
|
(shrink-window-if-larger-than-buffer)
|
1999-12-01 23:41:44 +00:00
|
|
|
|
(finder-mode)
|
1996-02-20 14:48:08 +00:00
|
|
|
|
(finder-summary)))
|
1993-04-14 03:34:39 +00:00
|
|
|
|
|
|
|
|
|
(defun finder-current-item ()
|
2005-03-19 14:35:59 +00:00
|
|
|
|
(let ((key (save-excursion
|
|
|
|
|
(beginning-of-line)
|
|
|
|
|
(current-word))))
|
|
|
|
|
(if (or (and finder-headmark (< (point) finder-headmark))
|
|
|
|
|
(= (length key) 0))
|
|
|
|
|
(error "No keyword or filename on this line")
|
|
|
|
|
key)))
|
1993-04-14 03:34:39 +00:00
|
|
|
|
|
|
|
|
|
(defun finder-select ()
|
1998-04-28 18:06:36 +00:00
|
|
|
|
"Select item on current line in a finder buffer."
|
1993-04-14 03:34:39 +00:00
|
|
|
|
(interactive)
|
|
|
|
|
(let ((key (finder-current-item)))
|
1997-09-30 07:36:28 +00:00
|
|
|
|
(if (string-match "\\.el$" key)
|
|
|
|
|
(finder-commentary key)
|
|
|
|
|
(finder-list-matches key))))
|
|
|
|
|
|
|
|
|
|
(defun finder-mouse-select (event)
|
1998-04-28 18:06:36 +00:00
|
|
|
|
"Select item in a finder buffer with the mouse."
|
1997-09-30 07:36:28 +00:00
|
|
|
|
(interactive "e")
|
|
|
|
|
(save-excursion
|
1998-04-28 18:06:36 +00:00
|
|
|
|
(set-buffer (window-buffer (posn-window (event-start event))))
|
|
|
|
|
(goto-char (posn-point (event-start event)))
|
|
|
|
|
(finder-select)))
|
1993-04-14 03:34:39 +00:00
|
|
|
|
|
2000-04-09 20:24:49 +00:00
|
|
|
|
;;;###autoload
|
1992-07-24 20:55:13 +00:00
|
|
|
|
(defun finder-by-keyword ()
|
|
|
|
|
"Find packages matching a given keyword."
|
|
|
|
|
(interactive)
|
1993-04-14 03:34:39 +00:00
|
|
|
|
(finder-list-keywords))
|
|
|
|
|
|
|
|
|
|
(defun finder-mode ()
|
|
|
|
|
"Major mode for browsing package documentation.
|
1993-05-09 23:52:39 +00:00
|
|
|
|
\\<finder-mode-map>
|
1993-04-14 03:34:39 +00:00
|
|
|
|
\\[finder-select] more help for the item on the current line
|
1999-01-29 18:27:10 +00:00
|
|
|
|
\\[finder-exit] exit Finder mode and kill the Finder buffer."
|
1993-04-14 03:34:39 +00:00
|
|
|
|
(interactive)
|
2004-03-26 14:54:17 +00:00
|
|
|
|
(kill-all-local-variables)
|
1993-04-14 03:34:39 +00:00
|
|
|
|
(use-local-map finder-mode-map)
|
|
|
|
|
(set-syntax-table emacs-lisp-mode-syntax-table)
|
|
|
|
|
(setq mode-name "Finder")
|
|
|
|
|
(setq major-mode 'finder-mode)
|
2004-03-26 14:54:17 +00:00
|
|
|
|
(set (make-local-variable 'finder-headmark) nil)
|
|
|
|
|
(run-mode-hooks 'finder-mode-hook))
|
1993-04-14 03:34:39 +00:00
|
|
|
|
|
|
|
|
|
(defun finder-summary ()
|
|
|
|
|
"Summarize basic Finder commands."
|
|
|
|
|
(interactive)
|
1996-01-25 00:54:04 +00:00
|
|
|
|
(message "%s"
|
1993-05-09 23:52:39 +00:00
|
|
|
|
(substitute-command-keys
|
1998-04-28 18:06:36 +00:00
|
|
|
|
"\\<finder-mode-map>\\[finder-select] = select, \
|
|
|
|
|
\\[finder-mouse-select] = select, \\[finder-list-keywords] = to \
|
|
|
|
|
finder directory, \\[finder-exit] = quit, \\[finder-summary] = help")))
|
1993-04-10 06:20:55 +00:00
|
|
|
|
|
1993-04-14 03:34:39 +00:00
|
|
|
|
(defun finder-exit ()
|
1997-11-15 21:04:47 +00:00
|
|
|
|
"Exit Finder mode and kill the buffer."
|
1993-04-14 03:34:39 +00:00
|
|
|
|
(interactive)
|
1997-11-10 23:28:59 +00:00
|
|
|
|
(or (one-window-p t)
|
|
|
|
|
(delete-window))
|
1997-09-30 07:36:28 +00:00
|
|
|
|
;; Can happen in either buffer -- kill each of the two that exists
|
1997-11-10 23:28:59 +00:00
|
|
|
|
(and (get-buffer "*Finder*")
|
|
|
|
|
(kill-buffer "*Finder*"))
|
|
|
|
|
(and (get-buffer "*Finder Category*")
|
|
|
|
|
(kill-buffer "*Finder Category*")))
|
1992-07-24 20:55:13 +00:00
|
|
|
|
|
2000-08-16 20:49:45 +00:00
|
|
|
|
|
1992-07-24 20:55:13 +00:00
|
|
|
|
(provide 'finder)
|
|
|
|
|
|
2003-09-01 15:45:59 +00:00
|
|
|
|
;;; arch-tag: ec85ff49-8cb8-41f5-a63f-9131d53ce2c5
|
1992-07-24 20:55:13 +00:00
|
|
|
|
;;; finder.el ends here
|