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comparison lisp/efs/efs-coke.el @ 22:8fc7fe29b841 r19-15b94

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Import from CVS: tag r19-15b94
author cvs
date Mon, 13 Aug 2007 08:50:29 +0200
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21:b88636d63495 22:8fc7fe29b841
1 ;; -*-Emacs-Lisp-*-
2 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3 ;;
4 ;; File: efs-coke.el
5 ;; Release: $efs release: 1.15 $
6 ;; Version: $Revision: 1.1 $
7 ;; RCS:
8 ;; Description: Coke Machine support for efs
9 ;; Author: Sandy Rutherford <sandy@imb550.sissa.it>
10 ;; Created: Fri Oct 14 23:55:04 1994 by sandy on ibm550
11 ;; Modified: Sun Nov 27 12:16:47 1994 by sandy on gandalf
12 ;; Language: Emacs-Lisp
13 ;;
14 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
15
16 ;;; This file is part of efs. See efs.el for copyright
17 ;;; (it's copylefted) and warrranty (there isn't one) information.
18
19 (provide 'efs-coke)
20 (require 'efs)
21
22 (defconst efs-coke-version
23 (concat (substring "$efs release: 1.15 $" 14 -2)
24 "/"
25 (substring "$Revision: 1.1 $" 11 -2)))
26
27 ;;;; ------------------------------------------------------------
28 ;;;; Coke Machine support
29 ;;;; ------------------------------------------------------------
30 ;;;
31 ;;; Works for the MIT vending machine FTP server.
32 ;;; Hopefully, a vending machine RFC is on its way, so we won't
33 ;;; need to support a wide variation of vending machine protocols.
34
35 (efs-defun efs-send-pwd coke (host user &optional xpwd)
36 ;; Directories on vending machines?
37 "/")
38
39 (efs-defun efs-fix-path coke (path &optional reverse)
40 (if (= ?/ (aref path 0))
41 (if reverse path (substring path 1))
42 (if reverse (concat "/" path) path)))
43
44 (efs-defun efs-fix-dir-path coke (dir-path)
45 ;; Make a beverage path for a dir listing.
46 (if (or (string-equal dir-path "/") (string-equal dir-path "/."))
47 "*"
48 dir-path))
49
50 (efs-defun efs-parse-listing coke
51 (host user dir path &optional switches)
52 ;; Parse the current buffer which is assumed to be in coke machine
53 ;; ftp dir format.
54 ;; HOST = remote host name
55 ;; USER = remote user name
56 ;; DIR = remote directory as a remote full path
57 ;; PATH = directory as an efs full path
58 ;; SWITCHES are never used here, but they
59 ;; must be specified in the argument list for compatibility
60 ;; with the unix version of this function.
61 (let ((tbl (efs-make-hashtable)))
62 (goto-char (point-min))
63 (efs-save-match-data
64 (while (re-search-forward "^\\(SOLD OUT \\)?\\[[0-9]+\\] +\\([^:\n]+\\)"
65 nil t)
66 (efs-put-hash-entry (buffer-substring (match-beginning 2)
67 (match-end 2))
68 (list nil) tbl)
69 (forward-line 1)))
70 ;; Don't need to bother with ..
71 (efs-put-hash-entry "." '(t) tbl)
72 tbl))
73
74 (efs-defun efs-allow-child-lookup coke (host user dir file)
75 ;; Returns t if FILE in directory DIR could possibly be a subdir
76 ;; according to its file-name syntax, and therefore a child listing should
77 ;; be attempted.
78
79 ;; Coke machine file system is flat. Hopefully not the coke.
80 (and (string-equal "/" dir) (string-equal "." file)))
81
82 (defun efs-coke-insert-beverage-contents (buffer file line)
83 ;; Inserts the contents of a beverage (determined by the FTP server
84 ;; response LINE) into BUFFER, and then drinks it.
85 ;; FILE is the name of the file.
86 (efs-save-buffer-excursion
87 (set-buffer buffer)
88 (if (zerop (buffer-size))
89 (progn
90 (insert "\n\n\n\n " (substring line 4) "\n")
91 (set-buffer-modified-p nil)
92 (set-process-sentinel
93 (start-process "efs-coke-gulp-buffer" (current-buffer) "sleep" "3")
94 (function
95 (lambda (proc str)
96 (efs-save-buffer-excursion
97 (let ((buff (process-buffer proc)))
98 (and buff (get-buffer buff)
99 (progn
100 (set-buffer buff)
101 (erase-buffer)
102 (insert "\n\n\n\n GULP!!!\n")
103 (sit-for 1)
104 (set-buffer-modified-p nil)
105 (kill-buffer (current-buffer)))))))))
106 (if (featurep 'dired)
107 (dired-fun-in-all-buffers
108 (file-name-directory file) 'dired-revert)))
109 (message "You haven't finished your last drink in buffer %s!"
110 (current-buffer))
111 (ding)
112 (sit-for 1))))
113
114 ;;; Dired support
115
116 (efs-defun efs-dired-manual-move-to-filename coke
117 (&optional raise-error bol eol)
118 ;; In dired, move to first char of filename on this line.
119 ;; Returns position (point) or nil if no filename on this line.
120 ;; This is the COKE version.
121 (or eol (setq eol (save-excursion (skip-chars-forward "^\n\r") (point))))
122 (if bol
123 (goto-char bol)
124 (skip-chars-backward "^\n\r")
125 (setq bol (point)))
126 (if (looking-at "\\(. \\)?\\(SOLD OUT \\)?\\[[0-9]+\\] +\\([^:\n]+\\): ")
127 (goto-char (match-beginning 3))
128 (and raise-error (error "No file on this line"))))
129
130 (efs-defun efs-dired-manual-move-to-end-of-filename coke
131 (&optional no-error bol eol)
132 ;; Assumes point is at beginning of filename.
133 ;; So, it should be called only after (dired-move-to-filename t).
134 ;; On failure, signals an error or returns nil.
135 ;; This is the COKE version.
136 (let ((opoint (point)))
137 (and selective-display
138 (null no-error)
139 (eq (char-after
140 (1- (or bol (save-excursion
141 (skip-chars-backward "^\r\n")
142 (point)))))
143 ?\r)
144 ;; File is hidden or omitted.
145 (cond
146 ((dired-subdir-hidden-p (dired-current-directory))
147 (error
148 (substitute-command-keys
149 "File line is hidden. Type \\[dired-hide-subdir] to unhide.")))
150 ((error
151 (substitute-command-keys
152 "File line is omitted. Type \\[dired-omit-toggle] to un-omit."
153 )))))
154 (if (search-forward ": " eol t)
155 (goto-char (- (match-end 0) 2))
156 (if no-error
157 nil
158 (error "No file on this line"))
159 (point))))
160
161 (efs-defun efs-dired-insert-headerline coke (dir)
162 (let* ((parsed (efs-ftp-path dir))
163 (host (car parsed))
164 (user (nth 1 parsed))
165 (accounting
166 (efs-send-cmd
167 host user '(quote pwd)
168 (format "Getting accounting data for %s@%s user host" user host))))
169 (insert " " user "@" host "\n "
170 (if (car accounting)
171 "Account status unavailable"
172 (substring (nth 1 accounting) 4)))
173 (delete-region (point) (progn (skip-chars-backward ":.,;") (point)))
174 (insert ":\n \n")))
175
176 ;;; end of efs-coke.el