diff lisp/efs/efs-dl.el @ 22:8fc7fe29b841 r19-15b94

Import from CVS: tag r19-15b94
author cvs
date Mon, 13 Aug 2007 08:50:29 +0200
parents
children 7e54bd776075 9f59509498e1
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/efs/efs-dl.el	Mon Aug 13 08:50:29 2007 +0200
@@ -0,0 +1,145 @@
+;; -*-Emacs-Lisp-*-
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;; File:         efs-dl.el
+;; Release:      $efs release: 1.15 $
+;; Version:      $Revision: 1.1 $
+;; RCS:          
+;; Description:  Unix descriptive listing support for efs
+;; Author:       Sandy Rutherford <sandy@tsmi19.sissa.it>
+;; Created:      Wed Jan 13 19:19:20 1993 by sandy on ibm550
+;; Modified:     Sun Nov 27 18:29:41 1994 by sandy on gandalf
+;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;;; This file is part of efs. See efs.el for copyright
+;;; (it's copylefted) and warrranty (there isn't one) information.
+
+(provide 'efs-unix:dl)
+(require 'efs)
+
+(defconst efs-dl-version
+  (concat (substring "$efs release: 1.15 $" 14 -2)
+	  "/"
+	  (substring "$Revision: 1.1 $" 11 -2)))
+
+;;;-----------------------------------------------------------------
+;;; Unix descriptive listing (dl) support for efs
+;;;-----------------------------------------------------------------
+
+;; this is also defined in efs.el, because it used to recognize
+;; a dl listing. We re-define it here just to keep the dl stuff self-contained.
+
+(defconst efs-unix:dl-listing-regexp
+  "^[^ \n\t]+\n? +\\([0-9]+\\|-\\|=\\) ")
+
+;; entry point
+
+(efs-defun  efs-parse-listing unix:dl
+  (host user dir path &optional switches)
+  ;; Parse the current buffer, which is assumed to be a unix descriptive
+  ;; listing, and return a hashtable.
+  ;; HOST = remote host name
+  ;; USER = user name
+  ;; DIR = directory in as a full remote path
+  ;; PATH = directory in full efs path syntax
+  ;; SWITCHES = ls switches (not relevant here)
+  (goto-char (point-min))
+  ;; Is it really a listing?
+  (efs-save-match-data
+    (if (re-search-forward efs-unix:dl-listing-regexp nil t)
+	(let ((tbl (efs-make-hashtable)))
+	  (goto-char (point-min))
+	  (while (not (eobp))
+	    (efs-put-hash-entry
+	     (buffer-substring (point)
+			       (progn
+				 (skip-chars-forward "^ /\n")
+				 (point)))
+	     (list (eq (following-char) ?/))
+	     tbl)
+	    (forward-line 1))
+	  (efs-put-hash-entry "." '(t) tbl)
+	  (efs-put-hash-entry ".." '(t) tbl)
+	  tbl))))
+
+;;; Support for tree dired.
+
+(defconst efs-dired-dl-re-dir
+  "^. [^ /]+/[ \n]"
+  "Regular expression to use to search for dl directories.")
+
+(or (assq 'unix:dl efs-dired-re-dir-alist)
+    (setq efs-dired-re-dir-alist
+	  (cons (cons 'unix:dl  efs-dired-dl-re-dir)
+		efs-dired-re-dir-alist)))
+
+
+(efs-defun efs-dired-manual-move-to-filename unix:dl
+  (&optional raise-error bol eol)
+  ;; In dired, move to the first character of the filename on this line.
+  ;; This is the Unix dl version.
+  (or eol (setq eol (save-excursion (skip-chars-forward "^\n\r") (point))))
+  (let (case-fold-search)
+    (if bol
+	(goto-char bol)
+      (skip-chars-backward "^\n\r")
+      (setq bol (point)))
+    (if (and
+	 (> (- eol bol) 3)
+	 (progn
+	   (forward-char 2)
+	   (skip-chars-forward " \t")
+	   (looking-at "[^ \n\t]+\n? +\\([0-9]+\\|-\\|=\\) ")))
+	(point)
+      (goto-char bol)
+      (and raise-error (error "No file on this line")))))
+
+(efs-defun efs-dired-manual-move-to-end-of-filename unix:dl
+  (&optional no-error bol eol)
+  ;; Assumes point is at beginning of filename.
+  ;; So, it should be called only after (dired-move-to-filename t).
+  ;; On failure, signals an error or returns nil.
+  ;; This is the Unix dl version.
+  (let ((opoint (point)))
+    (and selective-display
+	 (null no-error)
+	 (eq (char-after
+	      (1- (or bol (save-excursion
+			    (skip-chars-backward "^\r\n")
+			    (point)))))
+	     ?\r)
+	 ;; File is hidden or omitted.
+	 (cond
+	  ((dired-subdir-hidden-p (dired-current-directory))
+	   (error
+	    (substitute-command-keys
+	     "File line is hidden. Type \\[dired-hide-subdir] to unhide.")))
+	  ((error
+	    (substitute-command-keys
+	     "File line is omitted. Type \\[dired-omit-toggle] to un-omit."
+	     )))))
+    (skip-chars-forward "^ /\r\n\t")
+    (if (or (= opoint (point)) (not (memq (following-char) '(?\  ?/))))
+	(if no-error
+	    nil
+	  (error "No file on this line"))
+      (point))))
+
+(efs-defun efs-dired-insert-headerline unix:dl (dir)
+  ;; Unix dl has no total line, so we insert a blank line for
+  ;; aesthetics.
+  (insert "\n")
+  (forward-char -1)
+  (efs-real-dired-insert-headerline dir))
+
+(efs-defun efs-dired-fixup-listing unix:dl (file path &optional
+						 switches wildcard)
+  ;; Deal with continuation lines.
+  (efs-save-match-data
+    (goto-char (point-min))
+    (while (re-search-forward "\n +" nil t)
+      (delete-region (match-beginning 0) (match-end 0))
+      (insert " "))))
+
+;;; end of efs-dl.el