;;; align.el --- align text to a specific column, by regexp
;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Author: John Wiegley <johnw@gnu.org>
;; Maintainer: FSF
(defcustom align-large-region 10000
"If an integer, defines what constitutes a \"large\" region.
-If nil,then no messages will ever be printed to the minibuffer."
+If nil, then no messages will ever be printed to the minibuffer."
:type 'integer
:group 'align)
:group 'align)
(defcustom align-perl-modes '(perl-mode cperl-mode)
- "A list of modes where perl syntax is to be seen."
+ "A list of modes where Perl syntax is to be seen."
:type '(repeat symbol)
:group 'align)
(append align-lisp-modes align-c++-modes align-perl-modes
'(python-mode makefile-mode))
"A list of modes with a single-line comment syntax.
-These are comments as in Lisp, which have a beginning but, end with
+These are comments as in Lisp, which have a beginning, but end with
the line (i.e., `comment-end' is an empty string)."
:type '(repeat symbol)
:group 'align)
`group' Each contiguous set of lines where a specific alignment
occurs is considered a section for that alignment rule.
- Note that each rule will may have any entirely different
- set of section divisions than another.
+ Note that each rule may have any entirely different set
+ of section divisions than another.
int alpha = 1; /* one */
double beta = 2.0;
between sections, the behavior will be very similar to
`largest', and faster. But if the mode does not use clear
separators (for example, if you collapse your braces onto
- the preceding statement in C or perl), `largest' is
+ the preceding statement in C or Perl), `largest' is
probably the better alternative.
function A function that will be passed the beginning and ending
both of these parameters will be nil, in which case the
function should return non-nil if it wants each rule to
define its own section, or nil if it wants the largest
- section found to be used as the common section for all rules
- that occur there.
+ section found to be used as the common section for all
+ rules that occur there.
list A list of markers within the buffer that represent where
the section dividers lie. Be certain to use markers! For
the purposes of alignment. The \"alignment character\" is
always the first character immediately following this
parenthesis group. This attribute may also be a list of
- integer, in which case multiple alignment characters will
- be aligned, with the list of integer identifying the
+ integers, in which case multiple alignment characters will
+ be aligned, with the list of integers identifying the
whitespace groups which precede them. The default for
this attribute is 1.
`case-fold' If `regexp' is an ordinary regular expression string
containing alphabetic character, sometimes you may want
the search to proceed case-insensitively (for languages
- that ignore case, such as pascal for example). In that
+ that ignore case, such as Pascal for example). In that
case, set `case-fold' to a non-nil value, and the regular
expression search will ignore case. If `regexp' is set to
a function, that function must handle the job of ignoring
(rulesep (assq 'separate rule))
(thissep (if rulesep (cdr rulesep) separate))
same (eol 0)
+ search-start
group group-c
spacing spacing-c
tab-stop tab-stop-c
;; while we can find the rule in the alignment
;; region..
(while (and (< (point) end-mark)
+ (setq search-start (point))
(if regfunc
(funcall regfunc end-mark nil)
(re-search-forward regexp
;; if the search ended us on the beginning of
;; the next line, move back to the end of the
;; previous line.
- (if (bolp)
+ (if (and (bolp) (> (point) search-start))
(forward-char -1))
;; lookup the `group' attribute the first time
;; the next line; don't bother searching
;; anymore on this one
(if (and (not repeat) (not (bolp)))
- (forward-line)))))
+ (forward-line))
+
+ ;; if the search did not change point,
+ ;; move forward to avoid an infinite loop
+ (if (= (point) search-start)
+ (forward-char)))))
;; when they are no more matches for this rule,
;; align whatever was left over
HCoop / bpt / emacs.git / blobdiff