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ange-ftp-name-format too restrictive & customize is broken


From: Michael R . Wolf
Subject: ange-ftp-name-format too restrictive & customize is broken
Date: Mon, 22 Dec 2003 21:43:59 -0800
User-agent: Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3 (windows-nt)

In GNU Emacs 21.3.1 (i386-msvc-nt5.0.2195)
 of 2003-03-27 on buffy
configured using `configure --with-msvc (12.00)'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

================================================================

One ISP hosting service I use has "@" in the username, preventing
ange-ftp from correctly separating the USER part from the HOST part. I
found out that I could modify ange-ftp-name-format to accomodate their
arrogant disregard for a 3 decade old RFP.

At the shell level, this ftp script works.

$ ftp
> open ftp.metajiva.com
> user address@hidden

But from within emacs, a find-file on this does not.

    /address@hidden@ftp.metajiva.com:

================

I use another ISP that also uses multi-part USER names, but their
bang-notation USER didn't cause the same problems that the @-notation
USER did.

This works fine from the shell.

$ ftp
> open ftp.example.com
> user example.com!user

And this works fine from find-file within emacs, too.

    /address@hidden:

================================================================

The following patch fixes lisp/net/ange-ftp.el, with corresponding
ChangeLog entry. Strictly speaking, removing the first "@" from the
regexp made it work, but I didn't see a need for the "@" in the
following two complemented character classes, so, being a Perl guy at
heart, I tightened it up a bit. The "@" works well to sepate the USER
part from the HOST part. USER can contain "@". Since the regexp is
greedy, HOST will not.

================================================================
Patch

diff -a -r -c lisp/ChangeLog newlisp/ChangeLog
*** lisp/ChangeLog      Tue Mar 18 08:15:30 2003
--- newlisp/ChangeLog   Mon Dec 22 20:40:52 2003
***************
*** 1,3 ****
--- 1,13 ----
+ 2003-12-22  Michael R. Wolf  <address@hidden>
+ 
+       * net/ange-ftp.el (ange-ftp-name-format): Allow USER to contain
+       "@", as required by some ISP hosting service.  address@hidden now
+       allows "@" inside USER, using the rightmost "@" to separate it
+       from HOST.
+ 
+       Fixed defcustom argument syntax errors that prevented use of
+       customization.
+       
  2003-03-18  Francesco Potortì  <address@hidden>
  
        * Version 21.3 released.

diff -a -r -c lisp/net/ange-ftp.el newlisp/net/ange-ftp.el
*** lisp/net/ange-ftp.el        Tue Oct 22 02:14:34 2002
--- newlisp/net/ange-ftp.el     Mon Dec 22 19:07:32 2003
***************
*** 636,642 ****
    :prefix "ange-ftp-")
  
  (defcustom ange-ftp-name-format
!   '("^/\\(\\([^@/:]*\\)@\\)?\\([^@/:]*[^@/:.]\\):\\(.*\\)" . (3 2 4))
    "*Format of a fully expanded remote file name.
  
  This is a list of the form \(REGEXP HOST USER NAME\),
--- 636,642 ----
    :prefix "ange-ftp-")
  
  (defcustom ange-ftp-name-format
!   '("^/\\(\\([^/:]*\\)@\\)?\\([^/:]*[^/:.]\\):\\(.*\\)" . (3 2 4))
    "*Format of a fully expanded remote file name.
  
  This is a list of the form \(REGEXP HOST USER NAME\),
***************
*** 644,650 ****
  the full remote name, and HOST, USER, and NAME are the numbers of
  parenthesized expressions in REGEXP for the components (in that order)."
    :group 'ange-ftp
!   :type '(list regexp
               (integer :tag "Host group")
               (integer :tag "User group")
               (integer :tag "Name group")))
--- 644,650 ----
  the full remote name, and HOST, USER, and NAME are the numbers of
  parenthesized expressions in REGEXP for the components (in that order)."
    :group 'ange-ftp
!   :type '(list (regexp  :tag "Name regexp")
               (integer :tag "Host group")
               (integer :tag "User group")
               (integer :tag "Name group")))

Recent input:
    N/A

Recent messages:
    N/A

I've really appreciated ange-ftp, and was surprised a number of years
ago to find my name inside. I'm glad, once again, to contribute back
to a package that's contributed so much to me over the years.

Thanks,
Michael R. Wolf (formerly Mike Balenger)

-- 
Michael R. Wolf
    All mammals learn by playing!
        address@hidden






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