From f7ab7a26d62e07f38fd1447cd45cb4ed360f8d00 Mon Sep 17 00:00:00 2001 From: Dave Love Date: Sun, 1 Dec 2002 12:19:36 +0000 Subject: [PATCH] *** empty log message *** --- lisp/ChangeLog | 4 ++ lisp/progmodes/cap-words.el | 91 +++++++++++++++++++++++++++++++++++++ 2 files changed, 95 insertions(+) create mode 100644 lisp/progmodes/cap-words.el diff --git a/lisp/ChangeLog b/lisp/ChangeLog index bb797871554..0b60fdad54c 100644 --- a/lisp/ChangeLog +++ b/lisp/ChangeLog @@ -1,3 +1,7 @@ +2002-12-01 Dave Love + + * progmodes/cap-words.el: New file. + 2002-11-07 Kenichi Handa The following changes are to make character composition happen diff --git a/lisp/progmodes/cap-words.el b/lisp/progmodes/cap-words.el new file mode 100644 index 00000000000..eb6da529371 --- /dev/null +++ b/lisp/progmodes/cap-words.el @@ -0,0 +1,91 @@ +;;; cap-words.el --- minor mode for motion in CapsitalizedWordIdentifiers + +;; Copyright (C) 2002 Free Software Foundation, Inc. + +;; Author: Dave Love +;; Keywords: languages + +;; This file is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 2, or (at your option) +;; any later version. + +;; This file is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs; see the file COPYING. If not, write to +;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. + +;;; Commentary: + +;; Provides Capitalized Words minor mode for word movement in +;; identifiers CapitalizedLikeThis. + +;; Note that the same effect could be obtained by frobbing the +;; category of upper case characters to produce word boundaries, but +;; the necessary processing isn't done for ASCII characters. + +;; Fixme: This doesn't work properly for mouse double clicks. + +;;; Code: + +(defun capitalized-next-word-boundary (pos limit) + "Function for use in `next-word-boundary-function-table'. +Looks for word boundaries before capitals." + (save-excursion + (goto-char pos) + (let (case-fold-search) + (if (<= pos limit) + ;; Fixme: Are these regexps the best? + (or (and (re-search-forward "\\=.\\w*[[:upper:]]" + limit t) + (progn (backward-char) + t)) + (re-search-forward "\\>" limit t)) + (or (re-search-backward "[[:upper:]]\\w*\\=" limit t) + (re-search-backward "\\<" limit t)))) + (point))) + +(defconst capitalized-next-word-boundary-function-table + (let ((tab (make-char-table nil))) + (set-char-table-range tab t #'capitalized-next-word-boundary) + tab) + "Assigned to `next-word-boundary-function-table' in Capitalized Words mode.") + +(define-minor-mode capitalized-words-mode + "Toggle Capitalized- Words mode. + +In this minor mode, a word boundary occurs immediately before an +uppercase letter in a symbol. This is in addition to all the normal +boundaries given by the syntax and category tables. There is no +restriction to ASCII. + +E.g. the beginning of words in the following identifier are as marked: + + capitalizedWorDD + ^ ^ ^^ + +Note that these word boundaries only apply for word motion and +marking commands such as \\[forward-word]. This mode does not affect word +boundaries in found by regexp matching (`\\>', `\\w' &c). + +This style of identifiers is common in environments like Java ones, +where underscores aren't trendy enough. Capitalization rules are +sometimes part of the language, e.g. Haskell, which may encourage such +a style. It is appropriate to add `capitalized-words-mode' to the +mode hook for programming langauge modes in which you encounter such +variables, e.g. `java-mode-hook', since it's unlikely to cause trouble +if such identifiers aren't used. + +See also `glasses-mode' and `studlify-word'. +Obsoletes `c-forward-into-nomenclature'." + nil " Caps" nil :group 'programming + (set (make-local-variable 'next-word-boundary-function-table) + capitalized-next-word-boundary-function-table)) + +(provide 'cap-words) +;;; cap-words.el ends here -- 2.39.2