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1 ;; -*-Emacs-Lisp-*-
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2 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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3 ;;
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4 ;; File: efs-dl.el
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5 ;; Release: $efs release: 1.15 $
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6 ;; Version: #Revision: 1.3 $
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7 ;; RCS:
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8 ;; Description: Unix descriptive listing support for efs
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9 ;; Author: Sandy Rutherford <sandy@tsmi19.sissa.it>
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10 ;; Created: Wed Jan 13 19:19:20 1993 by sandy on ibm550
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11 ;; Modified: Sun Nov 27 18:29:41 1994 by sandy on gandalf
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12 ;;
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13 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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14
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15 ;;; This file is part of efs. See efs.el for copyright
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16 ;;; (it's copylefted) and warrranty (there isn't one) information.
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17
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18 (provide 'efs-unix:dl)
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19 (require 'efs)
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20
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21 (defconst efs-dl-version
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22 (concat (substring "$efs release: 1.15 $" 14 -2)
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23 "/"
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24 (substring "#Revision: 1.3 $" 11 -2)))
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22
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25
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26 ;;;-----------------------------------------------------------------
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27 ;;; Unix descriptive listing (dl) support for efs
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28 ;;;-----------------------------------------------------------------
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29
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30 ;; this is also defined in efs.el, because it used to recognize
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31 ;; a dl listing. We re-define it here just to keep the dl stuff self-contained.
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32
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33 (defconst efs-unix:dl-listing-regexp
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34 "^[^ \n\t]+\n? +\\([0-9]+\\|-\\|=\\) ")
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35
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36 ;; entry point
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37
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38 (efs-defun efs-parse-listing unix:dl
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39 (host user dir path &optional switches)
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40 ;; Parse the current buffer, which is assumed to be a unix descriptive
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41 ;; listing, and return a hashtable.
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42 ;; HOST = remote host name
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43 ;; USER = user name
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44 ;; DIR = directory in as a full remote path
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45 ;; PATH = directory in full efs path syntax
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46 ;; SWITCHES = ls switches (not relevant here)
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47 (goto-char (point-min))
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48 ;; Is it really a listing?
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49 (efs-save-match-data
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50 (if (re-search-forward efs-unix:dl-listing-regexp nil t)
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51 (let ((tbl (efs-make-hashtable)))
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52 (goto-char (point-min))
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53 (while (not (eobp))
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54 (efs-put-hash-entry
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55 (buffer-substring (point)
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56 (progn
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57 (skip-chars-forward "^ /\n")
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58 (point)))
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59 (list (eq (following-char) ?/))
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60 tbl)
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61 (forward-line 1))
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62 (efs-put-hash-entry "." '(t) tbl)
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63 (efs-put-hash-entry ".." '(t) tbl)
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64 tbl))))
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65
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66 ;;; Support for tree dired.
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67
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68 (defconst efs-dired-dl-re-dir
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69 "^. [^ /]+/[ \n]"
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70 "Regular expression to use to search for dl directories.")
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71
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72 (or (assq 'unix:dl efs-dired-re-dir-alist)
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73 (setq efs-dired-re-dir-alist
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74 (cons (cons 'unix:dl efs-dired-dl-re-dir)
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75 efs-dired-re-dir-alist)))
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76
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77
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78 (efs-defun efs-dired-manual-move-to-filename unix:dl
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79 (&optional raise-error bol eol)
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80 ;; In dired, move to the first character of the filename on this line.
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81 ;; This is the Unix dl version.
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82 (or eol (setq eol (save-excursion (skip-chars-forward "^\n\r") (point))))
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83 (let (case-fold-search)
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84 (if bol
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85 (goto-char bol)
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86 (skip-chars-backward "^\n\r")
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87 (setq bol (point)))
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88 (if (and
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89 (> (- eol bol) 3)
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90 (progn
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91 (forward-char 2)
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92 (skip-chars-forward " \t")
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93 (looking-at "[^ \n\t]+\n? +\\([0-9]+\\|-\\|=\\) ")))
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94 (point)
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95 (goto-char bol)
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96 (and raise-error (error "No file on this line")))))
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97
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98 (efs-defun efs-dired-manual-move-to-end-of-filename unix:dl
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99 (&optional no-error bol eol)
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100 ;; Assumes point is at beginning of filename.
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101 ;; So, it should be called only after (dired-move-to-filename t).
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102 ;; On failure, signals an error or returns nil.
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103 ;; This is the Unix dl version.
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104 (let ((opoint (point)))
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105 (and selective-display
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106 (null no-error)
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107 (eq (char-after
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108 (1- (or bol (save-excursion
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109 (skip-chars-backward "^\r\n")
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110 (point)))))
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111 ?\r)
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112 ;; File is hidden or omitted.
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113 (cond
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114 ((dired-subdir-hidden-p (dired-current-directory))
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115 (error
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116 (substitute-command-keys
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117 "File line is hidden. Type \\[dired-hide-subdir] to unhide.")))
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118 ((error
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119 (substitute-command-keys
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120 "File line is omitted. Type \\[dired-omit-toggle] to un-omit."
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121 )))))
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122 (skip-chars-forward "^ /\r\n\t")
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123 (if (or (= opoint (point)) (not (memq (following-char) '(?\ ?/))))
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124 (if no-error
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125 nil
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126 (error "No file on this line"))
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127 (point))))
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128
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129 (efs-defun efs-dired-insert-headerline unix:dl (dir)
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130 ;; Unix dl has no total line, so we insert a blank line for
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131 ;; aesthetics.
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132 (insert "\n")
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133 (forward-char -1)
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134 (efs-real-dired-insert-headerline dir))
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135
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136 (efs-defun efs-dired-fixup-listing unix:dl (file path &optional
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137 switches wildcard)
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138 ;; Deal with continuation lines.
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139 (efs-save-match-data
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140 (goto-char (point-min))
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141 (while (re-search-forward "\n +" nil t)
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142 (delete-region (match-beginning 0) (match-end 0))
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143 (insert " "))))
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144
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145 ;;; end of efs-dl.el
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