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[bpt/emacs.git] / lisp / play / yow.el
1 ;;; yow.el --- quote random zippyisms
2
3 ;; Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
4
5 ;; Maintainer: FSF
6 ;; Author: Richard Mlynarik
7 ;; Keywords: games
8
9 ;; This file is part of GNU Emacs.
10
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; any later version.
15
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
20
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
25
26 ;;; Commentary:
27
28 ;; Important pinheadery for GNU Emacs.
29 ;;
30 ;; See cookie1.el for implementation. Note --- the `n' argument of yow
31 ;; from the 18.xx implementation is no longer; we only support *random*
32 ;; random access now.
33
34 ;;; Code:
35
36 (require 'cookie1)
37
38 (defvar yow-file (concat data-directory "yow.lines")
39 "File containing pertinent pinhead phrases.")
40
41 (defconst yow-load-message "Am I CONSING yet?...")
42 (defconst yow-after-load-message "I have SEEN the CONSING!!")
43
44 ;;;###autoload
45 (defun yow (&optional insert)
46 "Return or display a random Zippy quotation. With prefix arg, insert it."
47 (interactive "P")
48 (let ((yow (cookie yow-file yow-load-message yow-after-load-message)))
49 (cond (insert
50 (insert yow))
51 ((not (interactive-p))
52 yow)
53 ((not (string-match "\n" yow))
54 (delete-windows-on (get-buffer-create "*Help*"))
55 (message "%s" yow))
56 (t
57 (message "Yow!")
58 (with-output-to-temp-buffer "*Help*"
59 (princ yow)
60 (save-excursion
61 (set-buffer standard-output)
62 (help-mode)))))))
63
64 (defsubst read-zippyism (prompt &optional require-match)
65 "Read a Zippyism from the minibuffer with completion, prompting with PROMPT.
66 If optional second arg is non-nil, require input to match a completion."
67 (read-cookie prompt yow-file yow-load-message yow-after-load-message
68 require-match))
69
70 ;;;###autoload
71 (defun insert-zippyism (&optional zippyism)
72 "Prompt with completion for a known Zippy quotation, and insert it at point."
73 (interactive (list (read-zippyism "Pinhead wisdom: " t)))
74 (insert zippyism))
75
76 ;;;###autoload
77 (defun apropos-zippy (regexp)
78 "Return a list of all Zippy quotes matching REGEXP.
79 If called interactively, display a list of matches."
80 (interactive "sApropos Zippy (regexp): ")
81 ;; Make sure yows are loaded
82 (cookie yow-file yow-load-message yow-after-load-message)
83 (let* ((case-fold-search t)
84 (cookie-table-symbol (intern yow-file cookie-cache))
85 (string-table (symbol-value cookie-table-symbol))
86 (matches nil)
87 (len (length string-table))
88 (i 0))
89 (save-match-data
90 (while (< i len)
91 (and (string-match regexp (aref string-table i))
92 (setq matches (cons (aref string-table i) matches)))
93 (setq i (1+ i))))
94 (and matches
95 (setq matches (sort matches 'string-lessp)))
96 (and (interactive-p)
97 (cond ((null matches)
98 (message "No matches found."))
99 (t
100 (let ((l matches))
101 (with-output-to-temp-buffer "*Zippy Apropos*"
102 (while l
103 (princ (car l))
104 (setq l (cdr l))
105 (and l (princ "\n\n"))))))))
106 matches))
107
108 \f
109 ;; Yowza!! Feed zippy quotes to the doctor. Watch results.
110 ;; fun, fun, fun. Entertainment for hours...
111 ;;
112 ;; written by Kayvan Aghaiepour
113
114 ;;;###autoload
115 (defun psychoanalyze-pinhead ()
116 "Zippy goes to the analyst."
117 (interactive)
118 (doctor) ; start the psychotherapy
119 (message "")
120 (switch-to-buffer "*doctor*")
121 (sit-for 0)
122 (while (not (input-pending-p))
123 (insert-string (yow))
124 (sit-for 0)
125 (doctor-ret-or-read 1)
126 (doctor-ret-or-read 1)))
127
128 (provide 'yow)
129
130 ;;; yow.el ends here