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https://git.savannah.gnu.org/git/emacs.git
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3075 lines
94 KiB
EmacsLisp
3075 lines
94 KiB
EmacsLisp
;;; vip.el --- a VI Package for GNU Emacs
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;; Copyright (C) 1986, 1987, 1988, 1992, 1993, 1998
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;; Free Software Foundation, Inc.
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;; Author: Masahiko Sato <ms@sail.stanford.edu>
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;; Keywords: emulations
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; A full-featured vi(1) emulator.
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;;
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;; In Japan, the author's address is: masahiko@sato.riec.tohoku.junet
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;;
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;; Send suggestions and bug reports to one of the above addresses.
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;; When you report a bug, be sure to include the version number of VIP and
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;; Emacs you are using.
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;; Execute info command by typing "M-x info" to get information on VIP.
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;;; Code:
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(defgroup vip nil
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"A VI Package for GNU Emacs."
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:prefix "vip-"
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:group 'emulations)
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;; external variables
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(defvar vip-emacs-local-map nil
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"Local map used in emacs mode. (Buffer-specific.)")
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(defvar vip-insert-local-map nil
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"Local map used in insert command mode. (Buffer-specific.)")
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(make-variable-buffer-local 'vip-emacs-local-map)
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(make-variable-buffer-local 'vip-insert-local-map)
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(defvar vip-insert-point nil
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"Remember insert point as a marker. (Buffer-specific.)")
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(set-default 'vip-insert-point (make-marker))
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(make-variable-buffer-local 'vip-insert-point)
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(defvar vip-com-point nil
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"Remember com point as a marker. (Buffer-specific.)")
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(set-default 'vip-com-point (make-marker))
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(make-variable-buffer-local 'vip-com-point)
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(defvar vip-current-mode nil
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"Current mode. One of `emacs-mode', `vi-mode', `insert-mode'.")
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(make-variable-buffer-local 'vip-current-mode)
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(setq-default vip-current-mode 'emacs-mode)
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(defvar vip-emacs-mode-line-buffer-identification nil
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"Value of mode-line-buffer-identification in Emacs mode within vip.")
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(make-variable-buffer-local 'vip-emacs-mode-line-buffer-identification)
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(setq-default vip-emacs-mode-line-buffer-identification
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'("Emacs: %17b"))
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(defvar vip-current-major-mode nil
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"vip-current-major-mode is the major-mode vi considers it is now.
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\(buffer specific\)")
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(make-variable-buffer-local 'vip-current-major-mode)
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(defvar vip-last-shell-com nil
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"Last shell command executed by ! command.")
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(defvar vip-use-register nil
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"Name of register to store deleted or yanked strings.")
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(defvar vip-d-com nil
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"How to reexecute last destructive command. Value is list (M-COM VAL COM).")
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(defcustom vip-shift-width 8
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"*The number of columns shifted by > and < command."
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:type 'integer
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:group 'vip)
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(defcustom vip-re-replace nil
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"*If t then do regexp replace, if nil then do string replace."
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:type 'boolean
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:group 'vip)
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(defvar vip-d-char nil
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"The character remembered by the vi \"r\" command.")
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(defvar vip-f-char nil
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"For use by \";\" command.")
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(defvar vip-F-char nil
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"For use by \".\" command.")
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(defvar vip-f-forward nil
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"For use by \";\" command.")
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(defvar vip-f-offset nil
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"For use by \";\" command.")
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(defcustom vip-search-wrap-around t
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"*If t, search wraps around."
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:type 'boolean
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:group 'vip)
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(defcustom vip-re-search nil
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"*If t, search is reg-exp search, otherwise vanilla search."
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:type 'boolean
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:group 'vip)
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(defvar vip-s-string nil
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"Last vip search string.")
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(defvar vip-s-forward nil
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"If t, search is forward.")
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(defcustom vip-case-fold-search nil
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"*If t, search ignores cases."
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:type 'boolean
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:group 'vip)
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(defcustom vip-re-query-replace nil
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"*If t then do regexp replace, if nil then do string replace."
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:type 'boolean
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:group 'vip)
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(defcustom vip-open-with-indent nil
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"*If t, indent when open a new line."
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:type 'boolean
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:group 'vip)
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(defcustom vip-help-in-insert-mode nil
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"*If t then C-h is bound to help-command in insert mode.
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If nil then it is bound to `delete-backward-char'."
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:type 'boolean
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:group 'vip)
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(defvar vip-quote-string "> "
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"String inserted at the beginning of region.")
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(defvar vip-tags-file-name "TAGS")
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(defvar vip-inhibit-startup-message nil)
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(defvar vip-startup-file (convert-standard-filename "~/.vip")
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"Filename used as startup file for vip.")
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;; key bindings
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(defvar vip-mode-map (make-keymap))
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(define-key vip-mode-map "\C-a" 'beginning-of-line)
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(define-key vip-mode-map "\C-b" 'vip-scroll-back)
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(define-key vip-mode-map "\C-c" 'vip-ctl-c)
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(define-key vip-mode-map "\C-d" 'vip-scroll-up)
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(define-key vip-mode-map "\C-e" 'vip-scroll-up-one)
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(define-key vip-mode-map "\C-f" 'vip-scroll)
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(define-key vip-mode-map "\C-g" 'vip-keyboard-quit)
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(define-key vip-mode-map "\C-h" 'help-command)
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(define-key vip-mode-map "\C-m" 'vip-scroll-back)
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(define-key vip-mode-map "\C-n" 'vip-other-window)
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(define-key vip-mode-map "\C-o" 'vip-open-line-at-point)
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(define-key vip-mode-map "\C-u" 'vip-scroll-down)
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(define-key vip-mode-map "\C-x" 'vip-ctl-x)
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(define-key vip-mode-map "\C-y" 'vip-scroll-down-one)
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(define-key vip-mode-map "\C-z" 'vip-change-mode-to-emacs)
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(define-key vip-mode-map "\e" 'vip-ESC)
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(define-key vip-mode-map " " 'vip-scroll)
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(define-key vip-mode-map "!" 'vip-command-argument)
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(define-key vip-mode-map "\"" 'vip-command-argument)
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(define-key vip-mode-map "#" 'vip-command-argument)
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(define-key vip-mode-map "$" 'vip-goto-eol)
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(define-key vip-mode-map "%" 'vip-paren-match)
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(define-key vip-mode-map "&" 'vip-nil)
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(define-key vip-mode-map "'" 'vip-goto-mark-and-skip-white)
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(define-key vip-mode-map "(" 'vip-backward-sentence)
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(define-key vip-mode-map ")" 'vip-forward-sentence)
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(define-key vip-mode-map "*" 'call-last-kbd-macro)
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(define-key vip-mode-map "+" 'vip-next-line-at-bol)
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(define-key vip-mode-map "," 'vip-repeat-find-opposite)
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(define-key vip-mode-map "-" 'vip-previous-line-at-bol)
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(define-key vip-mode-map "." 'vip-repeat)
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(define-key vip-mode-map "/" 'vip-search-forward)
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(define-key vip-mode-map "0" 'vip-beginning-of-line)
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(define-key vip-mode-map "1" 'vip-digit-argument)
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(define-key vip-mode-map "2" 'vip-digit-argument)
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(define-key vip-mode-map "3" 'vip-digit-argument)
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(define-key vip-mode-map "4" 'vip-digit-argument)
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(define-key vip-mode-map "5" 'vip-digit-argument)
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(define-key vip-mode-map "6" 'vip-digit-argument)
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(define-key vip-mode-map "7" 'vip-digit-argument)
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(define-key vip-mode-map "8" 'vip-digit-argument)
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(define-key vip-mode-map "9" 'vip-digit-argument)
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(define-key vip-mode-map ":" 'vip-ex)
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(define-key vip-mode-map ";" 'vip-repeat-find)
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(define-key vip-mode-map "<" 'vip-command-argument)
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(define-key vip-mode-map "=" 'vip-command-argument)
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(define-key vip-mode-map ">" 'vip-command-argument)
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(define-key vip-mode-map "?" 'vip-search-backward)
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(define-key vip-mode-map "@" 'vip-nil)
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(define-key vip-mode-map "A" 'vip-Append)
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(define-key vip-mode-map "B" 'vip-backward-Word)
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(define-key vip-mode-map "C" 'vip-ctl-c-equivalent)
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(define-key vip-mode-map "D" 'vip-kill-line)
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(define-key vip-mode-map "E" 'vip-end-of-Word)
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(define-key vip-mode-map "F" 'vip-find-char-backward)
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(define-key vip-mode-map "G" 'vip-goto-line)
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(define-key vip-mode-map "H" 'vip-window-top)
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(define-key vip-mode-map "I" 'vip-Insert)
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(define-key vip-mode-map "J" 'vip-join-lines)
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(define-key vip-mode-map "K" 'vip-kill-buffer)
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(define-key vip-mode-map "L" 'vip-window-bottom)
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(define-key vip-mode-map "M" 'vip-window-middle)
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(define-key vip-mode-map "N" 'vip-search-Next)
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(define-key vip-mode-map "O" 'vip-Open-line)
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(define-key vip-mode-map "P" 'vip-Put-back)
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(define-key vip-mode-map "Q" 'vip-query-replace)
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(define-key vip-mode-map "R" 'vip-replace-string)
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(define-key vip-mode-map "S" 'vip-switch-to-buffer-other-window)
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(define-key vip-mode-map "T" 'vip-goto-char-backward)
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(define-key vip-mode-map "U" 'vip-nil)
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(define-key vip-mode-map "V" 'vip-find-file-other-window)
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(define-key vip-mode-map "W" 'vip-forward-Word)
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(define-key vip-mode-map "X" 'vip-ctl-x-equivalent)
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(define-key vip-mode-map "Y" 'vip-yank-line)
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(define-key vip-mode-map "ZZ" 'save-buffers-kill-emacs)
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(define-key vip-mode-map "[" 'vip-nil)
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(define-key vip-mode-map "\\" 'vip-escape-to-emacs)
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(define-key vip-mode-map "]" 'vip-nil)
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(define-key vip-mode-map "^" 'vip-bol-and-skip-white)
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(define-key vip-mode-map "_" 'vip-nil)
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(define-key vip-mode-map "`" 'vip-goto-mark)
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(define-key vip-mode-map "a" 'vip-append)
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(define-key vip-mode-map "b" 'vip-backward-word)
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(define-key vip-mode-map "c" 'vip-command-argument)
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(define-key vip-mode-map "d" 'vip-command-argument)
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(define-key vip-mode-map "e" 'vip-end-of-word)
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(define-key vip-mode-map "f" 'vip-find-char-forward)
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(define-key vip-mode-map "g" 'vip-info-on-file)
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(define-key vip-mode-map "h" 'vip-backward-char)
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(define-key vip-mode-map "i" 'vip-insert)
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(define-key vip-mode-map "j" 'vip-next-line)
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(define-key vip-mode-map "k" 'vip-previous-line)
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(define-key vip-mode-map "l" 'vip-forward-char)
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(define-key vip-mode-map "m" 'vip-mark-point)
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(define-key vip-mode-map "n" 'vip-search-next)
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(define-key vip-mode-map "o" 'vip-open-line)
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(define-key vip-mode-map "p" 'vip-put-back)
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(define-key vip-mode-map "q" 'vip-nil)
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(define-key vip-mode-map "r" 'vip-replace-char)
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(define-key vip-mode-map "s" 'vip-switch-to-buffer)
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(define-key vip-mode-map "t" 'vip-goto-char-forward)
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(define-key vip-mode-map "u" 'vip-undo)
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(define-key vip-mode-map "v" 'vip-find-file)
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(define-key vip-mode-map "w" 'vip-forward-word)
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(define-key vip-mode-map "x" 'vip-delete-char)
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(define-key vip-mode-map "y" 'vip-command-argument)
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(define-key vip-mode-map "zH" 'vip-line-to-top)
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(define-key vip-mode-map "zM" 'vip-line-to-middle)
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(define-key vip-mode-map "zL" 'vip-line-to-bottom)
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(define-key vip-mode-map "z\C-m" 'vip-line-to-top)
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(define-key vip-mode-map "z." 'vip-line-to-middle)
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(define-key vip-mode-map "z-" 'vip-line-to-bottom)
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(define-key vip-mode-map "{" 'vip-backward-paragraph)
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(define-key vip-mode-map "|" 'vip-goto-col)
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(define-key vip-mode-map "}" 'vip-forward-paragraph)
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(define-key vip-mode-map "~" 'vip-nil)
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(define-key vip-mode-map "\177" 'vip-delete-backward-char)
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(define-key ctl-x-map "3" 'vip-buffer-in-two-windows)
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(define-key ctl-x-map "\C-i" 'insert-file)
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(defun vip-version ()
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(interactive)
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(message "VIP version 3.5 of September 15, 1987"))
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;; basic set up
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(global-set-key "\C-z" 'vip-change-mode-to-vi)
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(defmacro vip-loop (count body)
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"(COUNT BODY) Execute BODY COUNT times."
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(list 'let (list (list 'count count))
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(list 'while (list '> 'count 0)
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body
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(list 'setq 'count (list '1- 'count)))))
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(defun vip-push-mark-silent (&optional location)
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"Set mark at LOCATION (point, by default) and push old mark on mark ring.
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No message."
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(if (null (mark t))
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nil
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(setq mark-ring (cons (copy-marker (mark-marker)) mark-ring))
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(if (> (length mark-ring) mark-ring-max)
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(progn
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(move-marker (car (nthcdr mark-ring-max mark-ring)) nil)
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(setcdr (nthcdr (1- mark-ring-max) mark-ring) nil))))
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(set-mark (or location (point))))
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(defun vip-goto-col (arg)
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"Go to ARG's column."
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(interactive "P")
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(let ((val (vip-p-val arg))
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(com (vip-getcom arg)))
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(save-excursion
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(end-of-line)
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(if (> val (1+ (current-column))) (error "")))
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(if com (move-marker vip-com-point (point)))
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(beginning-of-line)
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(forward-char (1- val))
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(if com (vip-execute-com 'vip-goto-col val com))))
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(defun vip-copy-keymap (map)
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(if (null map) (make-sparse-keymap) (copy-keymap map)))
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;; changing mode
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(defun vip-change-mode (new-mode)
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"Change mode to NEW-MODE---either emacs-mode, vi-mode, or insert-mode."
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(or (eq new-mode vip-current-mode)
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(progn
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(cond ((eq new-mode 'vi-mode)
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(if (eq vip-current-mode 'insert-mode)
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(progn
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(vip-copy-region-as-kill (point) vip-insert-point)
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(vip-repeat-insert-command))
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(setq vip-emacs-local-map (current-local-map)
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vip-emacs-mode-line-buffer-identification
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mode-line-buffer-identification
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vip-insert-local-map (vip-copy-keymap
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(current-local-map))))
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(vip-change-mode-line "Vi: ")
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(use-local-map vip-mode-map))
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((eq new-mode 'insert-mode)
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(move-marker vip-insert-point (point))
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(if (eq vip-current-mode 'emacs-mode)
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(setq vip-emacs-local-map (current-local-map)
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vip-emacs-mode-line-buffer-identification
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mode-line-buffer-identification
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vip-insert-local-map (vip-copy-keymap
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(current-local-map)))
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(setq vip-insert-local-map (vip-copy-keymap
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vip-emacs-local-map)))
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(vip-change-mode-line "Insert")
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(use-local-map vip-insert-local-map)
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(define-key vip-insert-local-map "\e" 'vip-change-mode-to-vi)
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(define-key vip-insert-local-map "\C-z" 'vip-ESC)
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(define-key vip-insert-local-map "\C-h"
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(if vip-help-in-insert-mode 'help-command
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'delete-backward-char))
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(define-key vip-insert-local-map "\C-w"
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'vip-delete-backward-word))
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((eq new-mode 'emacs-mode)
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(vip-change-mode-line "Emacs:")
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(use-local-map vip-emacs-local-map)))
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(setq vip-current-mode new-mode)
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(force-mode-line-update))))
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(defun vip-copy-region-as-kill (beg end)
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"If BEG and END do not belong to the same buffer, it copies empty region."
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(condition-case nil
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(copy-region-as-kill beg end)
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(error (copy-region-as-kill beg beg))))
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(defun vip-change-mode-line (string)
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"Assuming that the mode line format contains the string \"Emacs:\", this
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function replaces the string by \"Vi: \" etc."
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(setq mode-line-buffer-identification
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(if (string= string "Emacs:")
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||
vip-emacs-mode-line-buffer-identification
|
||
(list (concat string " %17b")))))
|
||
|
||
;;;###autoload
|
||
(defun vip-mode ()
|
||
"Turn on VIP emulation of VI."
|
||
(interactive)
|
||
(if (not vip-inhibit-startup-message)
|
||
(progn
|
||
(switch-to-buffer "VIP Startup Message")
|
||
(erase-buffer)
|
||
(insert
|
||
"VIP is a Vi emulation package for GNU Emacs. VIP provides most Vi commands
|
||
including Ex commands. VIP is however different from Vi in several points.
|
||
You can get more information on VIP by:
|
||
1. Typing `M-x info' and selecting menu item \"vip\".
|
||
2. Typing `C-h k' followed by a key whose description you want.
|
||
3. Printing VIP manual which can be found as GNU/man/vip.texinfo
|
||
4. Printing VIP Reference Card which can be found as GNU/etc/vipcard.tex
|
||
|
||
This startup message appears whenever you load VIP unless you type `y' now.
|
||
Type `n' to quit this window for now.\n")
|
||
(goto-char (point-min))
|
||
(if (y-or-n-p "Inhibit VIP startup message? ")
|
||
(progn
|
||
(save-excursion
|
||
(set-buffer
|
||
(find-file-noselect
|
||
(substitute-in-file-name vip-startup-file)))
|
||
(goto-char (point-max))
|
||
(insert "\n(setq vip-inhibit-startup-message t)\n")
|
||
(save-buffer)
|
||
(kill-buffer (current-buffer)))
|
||
(message "VIP startup message inhibited.")
|
||
(sit-for 2)))
|
||
(kill-buffer (current-buffer))
|
||
(message "")
|
||
(setq vip-inhibit-startup-message t)))
|
||
(vip-change-mode-to-vi))
|
||
|
||
(defun vip-change-mode-to-vi ()
|
||
"Change mode to vi mode."
|
||
(interactive)
|
||
(vip-change-mode 'vi-mode))
|
||
|
||
(defun vip-change-mode-to-insert ()
|
||
"Change mode to insert mode."
|
||
(interactive)
|
||
(vip-change-mode 'insert-mode))
|
||
|
||
(defun vip-change-mode-to-emacs ()
|
||
"Change mode to emacs mode."
|
||
(interactive)
|
||
(vip-change-mode 'emacs-mode))
|
||
|
||
|
||
;; escape to emacs mode temporarily
|
||
|
||
(defun vip-escape-to-emacs (arg &optional events)
|
||
"Escape to Emacs mode for one Emacs command.
|
||
ARG is used as the prefix value for the executed command. If
|
||
EVENTS is a list of events, which become the beginning of the command."
|
||
(interactive "P")
|
||
(let (com key (old-map (current-local-map)))
|
||
(if events (setq unread-command-events events))
|
||
(setq prefix-arg arg)
|
||
(use-local-map vip-emacs-local-map)
|
||
(unwind-protect
|
||
(setq com (key-binding (setq key (read-key-sequence nil))))
|
||
(use-local-map old-map))
|
||
(command-execute com prefix-arg)
|
||
(setq prefix-arg nil) ;; reset prefix arg
|
||
))
|
||
|
||
(defun vip-message-conditions (conditions)
|
||
"Print CONDITIONS as a message."
|
||
(let ((case (car conditions)) (msg (cdr conditions)))
|
||
(if (null msg)
|
||
(message "%s" case)
|
||
(message "%s %s" case (prin1-to-string msg)))
|
||
(ding)))
|
||
|
||
(defun vip-ESC (arg)
|
||
"Emulate ESC key in Emacs mode."
|
||
(interactive "P")
|
||
(vip-escape-to-emacs arg '(?\e)))
|
||
|
||
(defun vip-ctl-c (arg)
|
||
"Emulate C-c key in Emacs mode."
|
||
(interactive "P")
|
||
(vip-escape-to-emacs arg '(?\C-c)))
|
||
|
||
(defun vip-ctl-x (arg)
|
||
"Emulate C-x key in Emacs mode."
|
||
(interactive "P")
|
||
(vip-escape-to-emacs arg '(?\C-x)))
|
||
|
||
(defun vip-ctl-h (arg)
|
||
"Emulate C-h key in Emacs mode."
|
||
(interactive "P")
|
||
(vip-escape-to-emacs arg '(?\C-h)))
|
||
|
||
|
||
;; prefix argument for vi mode
|
||
|
||
;; In vi mode, prefix argument is a dotted pair (NUM . COM) where NUM
|
||
;; represents the numeric value of the prefix argument and COM represents
|
||
;; command prefix such as "c", "d", "m" and "y".
|
||
|
||
(defun vip-prefix-arg-value (char value com)
|
||
"Compute numeric prefix arg value. Invoked by CHAR. VALUE is the value
|
||
obtained so far, and COM is the command part obtained so far."
|
||
(while (and (>= char ?0) (<= char ?9))
|
||
(setq value (+ (* (if (numberp value) value 0) 10) (- char ?0)))
|
||
(setq char (read-char)))
|
||
(setq prefix-arg value)
|
||
(if com (setq prefix-arg (cons prefix-arg com)))
|
||
(while (= char ?U)
|
||
(vip-describe-arg prefix-arg)
|
||
(setq char (read-char)))
|
||
(setq unread-command-events (list char)))
|
||
|
||
(defun vip-prefix-arg-com (char value com)
|
||
"Vi operator as prefix argument."
|
||
(let ((cont t))
|
||
(while (and cont
|
||
(or (= char ?c) (= char ?d) (= char ?y)
|
||
(= char ?!) (= char ?<) (= char ?>) (= char ?=)
|
||
(= char ?#) (= char ?r) (= char ?R) (= char ?\")))
|
||
(if com
|
||
;; this means that we already have a command character, so we
|
||
;; construct a com list and exit while. however, if char is "
|
||
;; it is an error.
|
||
(progn
|
||
;; new com is (CHAR . OLDCOM)
|
||
(if (or (= char ?#) (= char ?\")) (error ""))
|
||
(setq com (cons char com))
|
||
(setq cont nil))
|
||
;; if com is nil we set com as char, and read more. again, if char
|
||
;; is ", we read the name of register and store it in vip-use-register.
|
||
;; if char is !, =, or #, a complete com is formed so we exit while.
|
||
(cond ((or (= char ?!) (= char ?=))
|
||
(setq com char)
|
||
(setq char (read-char))
|
||
(setq cont nil))
|
||
((= char ?#)
|
||
;; read a char and encode it as com
|
||
(setq com (+ 128 (read-char)))
|
||
(setq char (read-char))
|
||
(setq cont nil))
|
||
((or (= char ?<) (= char ?>))
|
||
(setq com char)
|
||
(setq char (read-char))
|
||
(if (= com char) (setq com (cons char com)))
|
||
(setq cont nil))
|
||
((= char ?\")
|
||
(let ((reg (read-char)))
|
||
(if (or (and (<= ?A reg) (<= reg ?z))
|
||
(and (<= ?1 reg) (<= reg ?9)))
|
||
(setq vip-use-register reg)
|
||
(error ""))
|
||
(setq char (read-char))))
|
||
(t
|
||
(setq com char)
|
||
(setq char (read-char)))))))
|
||
(if (atom com)
|
||
;; com is a single char, so we construct prefix-arg
|
||
;; and if char is ?, describe prefix arg, otherwise exit by
|
||
;; pushing the char back
|
||
(progn
|
||
(setq prefix-arg (cons value com))
|
||
(while (= char ?U)
|
||
(vip-describe-arg prefix-arg)
|
||
(setq char (read-char)))
|
||
(setq unread-command-events (list char)))
|
||
;; as com is non-nil, this means that we have a command to execute
|
||
(if (or (= (car com) ?r) (= (car com) ?R))
|
||
;; execute appropriate region command.
|
||
(let ((char (car com)) (com (cdr com)))
|
||
(setq prefix-arg (cons value com))
|
||
(if (= char ?r) (vip-region prefix-arg)
|
||
(vip-Region prefix-arg))
|
||
;; reset prefix-arg
|
||
(setq prefix-arg nil))
|
||
;; otherwise, reset prefix arg and call appropriate command
|
||
(setq value (if (null value) 1 value))
|
||
(setq prefix-arg nil)
|
||
(cond ((equal com '(?c . ?c)) (vip-line (cons value ?C)))
|
||
((equal com '(?d . ?d)) (vip-line (cons value ?D)))
|
||
((equal com '(?d . ?y)) (vip-yank-defun))
|
||
((equal com '(?y . ?y)) (vip-line (cons value ?Y)))
|
||
((equal com '(?< . ?<)) (vip-line (cons value ?<)))
|
||
((equal com '(?> . ?>)) (vip-line (cons value ?>)))
|
||
((equal com '(?! . ?!)) (vip-line (cons value ?!)))
|
||
((equal com '(?= . ?=)) (vip-line (cons value ?=)))
|
||
(t (error ""))))))
|
||
|
||
(defun vip-describe-arg (arg)
|
||
(let (val com)
|
||
(setq val (vip-P-val arg)
|
||
com (vip-getcom arg))
|
||
(if (null val)
|
||
(if (null com)
|
||
(message "Value is nil, and command is nil.")
|
||
(message "Value is nil, and command is %c." com))
|
||
(if (null com)
|
||
(message "Value is %d, and command is nil." val)
|
||
(message "Value is %d, and command is %c." val com)))))
|
||
|
||
(defun vip-digit-argument (arg)
|
||
"Begin numeric argument for the next command."
|
||
(interactive "P")
|
||
(vip-prefix-arg-value last-command-char nil
|
||
(if (consp arg) (cdr arg) nil)))
|
||
|
||
(defun vip-command-argument (arg)
|
||
"Accept a motion command as an argument."
|
||
(interactive "P")
|
||
(condition-case conditions
|
||
(vip-prefix-arg-com
|
||
last-command-char
|
||
(cond ((null arg) nil)
|
||
((consp arg) (car arg))
|
||
((numberp arg) arg)
|
||
(t (error "strange arg")))
|
||
(cond ((null arg) nil)
|
||
((consp arg) (cdr arg))
|
||
((numberp arg) nil)
|
||
(t (error "strange arg"))))
|
||
(quit
|
||
(setq vip-use-register nil)
|
||
(signal 'quit nil))))
|
||
|
||
(defun vip-p-val (arg)
|
||
"Get value part of prefix-argument ARG."
|
||
(cond ((null arg) 1)
|
||
((consp arg) (if (null (car arg)) 1 (car arg)))
|
||
(t arg)))
|
||
|
||
(defun vip-P-val (arg)
|
||
"Get value part of prefix-argument ARG."
|
||
(cond ((consp arg) (car arg))
|
||
(t arg)))
|
||
|
||
(defun vip-getcom (arg)
|
||
"Get com part of prefix-argument ARG."
|
||
(cond ((null arg) nil)
|
||
((consp arg) (cdr arg))
|
||
(t nil)))
|
||
|
||
(defun vip-getCom (arg)
|
||
"Get com part of prefix-argument ARG and modify it."
|
||
(let ((com (vip-getcom arg)))
|
||
(cond ((equal com ?c) ?C)
|
||
((equal com ?d) ?D)
|
||
((equal com ?y) ?Y)
|
||
(t com))))
|
||
|
||
|
||
;; repeat last destructive command
|
||
|
||
(defun vip-append-to-register (reg start end)
|
||
"Append region to text in register REG.
|
||
START and END are buffer positions indicating what to append."
|
||
(set-register reg (concat (or (get-register reg) "")
|
||
(buffer-substring start end))))
|
||
|
||
(defun vip-execute-com (m-com val com)
|
||
"(M-COM VAL COM) Execute command COM. The list (M-COM VAL COM) is set
|
||
to vip-d-com for later use by vip-repeat"
|
||
(let ((reg vip-use-register))
|
||
(if com
|
||
(cond ((= com ?c) (vip-change vip-com-point (point)))
|
||
((= com (- ?c)) (vip-change-subr vip-com-point (point)))
|
||
((or (= com ?C) (= com (- ?C)))
|
||
(save-excursion
|
||
(set-mark vip-com-point)
|
||
(vip-enlarge-region (mark) (point))
|
||
(if vip-use-register
|
||
(progn
|
||
(cond ((and (<= ?a vip-use-register)
|
||
(<= vip-use-register ?z))
|
||
(copy-to-register
|
||
vip-use-register (mark) (point) nil))
|
||
((and (<= ?A vip-use-register)
|
||
(<= vip-use-register ?Z))
|
||
(vip-append-to-register
|
||
(+ vip-use-register 32) (mark) (point)))
|
||
(t (setq vip-use-register nil)
|
||
(error "")))
|
||
(setq vip-use-register nil)))
|
||
(delete-region (mark) (point)))
|
||
(open-line 1)
|
||
(if (= com ?C) (vip-change-mode-to-insert) (yank)))
|
||
((= com ?d)
|
||
(if vip-use-register
|
||
(progn
|
||
(cond ((and (<= ?a vip-use-register)
|
||
(<= vip-use-register ?z))
|
||
(copy-to-register
|
||
vip-use-register vip-com-point (point) nil))
|
||
((and (<= ?A vip-use-register)
|
||
(<= vip-use-register ?Z))
|
||
(vip-append-to-register
|
||
(+ vip-use-register 32) vip-com-point (point)))
|
||
(t (setq vip-use-register nil)
|
||
(error "")))
|
||
(setq vip-use-register nil)))
|
||
(setq last-command
|
||
(if (eq last-command 'd-command) 'kill-region nil))
|
||
(kill-region vip-com-point (point))
|
||
(setq this-command 'd-command))
|
||
((= com ?D)
|
||
(save-excursion
|
||
(set-mark vip-com-point)
|
||
(vip-enlarge-region (mark) (point))
|
||
(if vip-use-register
|
||
(progn
|
||
(cond ((and (<= ?a vip-use-register)
|
||
(<= vip-use-register ?z))
|
||
(copy-to-register
|
||
vip-use-register (mark) (point) nil))
|
||
((and (<= ?A vip-use-register)
|
||
(<= vip-use-register ?Z))
|
||
(vip-append-to-register
|
||
(+ vip-use-register 32) (mark) (point)))
|
||
(t (setq vip-use-register nil)
|
||
(error "")))
|
||
(setq vip-use-register nil)))
|
||
(setq last-command
|
||
(if (eq last-command 'D-command) 'kill-region nil))
|
||
(kill-region (mark) (point))
|
||
(if (eq m-com 'vip-line) (setq this-command 'D-command)))
|
||
(back-to-indentation))
|
||
((= com ?y)
|
||
(if vip-use-register
|
||
(progn
|
||
(cond ((and (<= ?a vip-use-register)
|
||
(<= vip-use-register ?z))
|
||
(copy-to-register
|
||
vip-use-register vip-com-point (point) nil))
|
||
((and (<= ?A vip-use-register)
|
||
(<= vip-use-register ?Z))
|
||
(vip-append-to-register
|
||
(+ vip-use-register 32) vip-com-point (point)))
|
||
(t (setq vip-use-register nil)
|
||
(error "")))
|
||
(setq vip-use-register nil)))
|
||
(setq last-command nil)
|
||
(copy-region-as-kill vip-com-point (point))
|
||
(goto-char vip-com-point))
|
||
((= com ?Y)
|
||
(save-excursion
|
||
(set-mark vip-com-point)
|
||
(vip-enlarge-region (mark) (point))
|
||
(if vip-use-register
|
||
(progn
|
||
(cond ((and (<= ?a vip-use-register)
|
||
(<= vip-use-register ?z))
|
||
(copy-to-register
|
||
vip-use-register (mark) (point) nil))
|
||
((and (<= ?A vip-use-register)
|
||
(<= vip-use-register ?Z))
|
||
(vip-append-to-register
|
||
(+ vip-use-register 32) (mark) (point)))
|
||
(t (setq vip-use-register nil)
|
||
(error "")))
|
||
(setq vip-use-register nil)))
|
||
(setq last-command nil)
|
||
(copy-region-as-kill (mark) (point)))
|
||
(goto-char vip-com-point))
|
||
((or (= com ?!) (= com (- ?!)))
|
||
(save-excursion
|
||
(set-mark vip-com-point)
|
||
(vip-enlarge-region (mark) (point))
|
||
(shell-command-on-region
|
||
(mark) (point)
|
||
(if (= com ?!)
|
||
(setq vip-last-shell-com (vip-read-string "!"))
|
||
vip-last-shell-com)
|
||
t)))
|
||
((= com ?=)
|
||
(save-excursion
|
||
(set-mark vip-com-point)
|
||
(vip-enlarge-region (mark) (point))
|
||
(if (> (mark) (point)) (exchange-point-and-mark))
|
||
(indent-region (mark) (point) nil)))
|
||
((= com ?<)
|
||
(save-excursion
|
||
(set-mark vip-com-point)
|
||
(vip-enlarge-region (mark) (point))
|
||
(indent-rigidly (mark) (point) (- vip-shift-width)))
|
||
(goto-char vip-com-point))
|
||
((= com ?>)
|
||
(save-excursion
|
||
(set-mark vip-com-point)
|
||
(vip-enlarge-region (mark) (point))
|
||
(indent-rigidly (mark) (point) vip-shift-width))
|
||
(goto-char vip-com-point))
|
||
((>= com 128)
|
||
;; this is special command #
|
||
(vip-special-prefix-com (- com 128)))))
|
||
(setq vip-d-com (list m-com val (if (or (= com ?c) (= com ?C) (= com ?!))
|
||
(- com) com)
|
||
reg))))
|
||
|
||
(defun vip-repeat (arg)
|
||
"(ARG) Re-execute last destructive command. vip-d-com has the form
|
||
\(COM ARG CH REG), where COM is the command to be re-executed, ARG is the
|
||
argument for COM, CH is a flag for repeat, and REG is optional and if exists
|
||
is the name of the register for COM."
|
||
(interactive "P")
|
||
(if (eq last-command 'vip-undo)
|
||
;; if the last command was vip-undo, then undo-more
|
||
(vip-undo-more)
|
||
;; otherwise execute the command stored in vip-d-com. if arg is non-nil
|
||
;; its prefix value is used as new prefix value for the command.
|
||
(let ((m-com (car vip-d-com))
|
||
(val (vip-P-val arg))
|
||
(com (car (cdr (cdr vip-d-com))))
|
||
(reg (nth 3 vip-d-com)))
|
||
(if (null val) (setq val (car (cdr vip-d-com))))
|
||
(if (null m-com) (error "No previous command to repeat."))
|
||
(setq vip-use-register reg)
|
||
(funcall m-com (cons val com)))))
|
||
|
||
(defun vip-special-prefix-com (char)
|
||
"This command is invoked interactively by the key sequence #<char>"
|
||
(cond ((= char ?c)
|
||
(downcase-region (min vip-com-point (point))
|
||
(max vip-com-point (point))))
|
||
((= char ?C)
|
||
(upcase-region (min vip-com-point (point))
|
||
(max vip-com-point (point))))
|
||
((= char ?g)
|
||
(set-mark vip-com-point)
|
||
(vip-global-execute))
|
||
((= char ?q)
|
||
(set-mark vip-com-point)
|
||
(vip-quote-region))
|
||
((= char ?s) (spell-region vip-com-point (point)))))
|
||
|
||
|
||
;; undoing
|
||
|
||
(defun vip-undo ()
|
||
"Undo previous change."
|
||
(interactive)
|
||
(message "undo!")
|
||
(undo-start)
|
||
(undo-more 2)
|
||
(setq this-command 'vip-undo))
|
||
|
||
(defun vip-undo-more ()
|
||
"Continue undoing previous changes."
|
||
(message "undo more!")
|
||
(undo-more 1)
|
||
(setq this-command 'vip-undo))
|
||
|
||
|
||
;; utilities
|
||
|
||
(defun vip-string-tail (str)
|
||
(if (or (null str) (string= str "")) nil
|
||
(substring str 1)))
|
||
|
||
(defun vip-yank-defun ()
|
||
(mark-defun)
|
||
(copy-region-as-kill (point) (mark)))
|
||
|
||
(defun vip-enlarge-region (beg end)
|
||
"Enlarge region between BEG and END."
|
||
(if (< beg end)
|
||
(progn (goto-char beg) (set-mark end))
|
||
(goto-char end)
|
||
(set-mark beg))
|
||
(beginning-of-line)
|
||
(exchange-point-and-mark)
|
||
(if (or (not (eobp)) (not (bolp))) (next-line 1))
|
||
(beginning-of-line)
|
||
(if (> beg end) (exchange-point-and-mark)))
|
||
|
||
(defun vip-global-execute ()
|
||
"Call last keyboad macro for each line in the region."
|
||
(if (> (point) (mark)) (exchange-point-and-mark))
|
||
(beginning-of-line)
|
||
(call-last-kbd-macro)
|
||
(while (< (point) (mark))
|
||
(forward-line 1)
|
||
(beginning-of-line)
|
||
(call-last-kbd-macro)))
|
||
|
||
(defun vip-quote-region ()
|
||
"Quote region by inserting the user supplied string at the beginning of
|
||
each line in the region."
|
||
(setq vip-quote-string
|
||
(let ((str
|
||
(vip-read-string (format "quote string \(default \"%s\"\): "
|
||
vip-quote-string))))
|
||
(if (string= str "") vip-quote-string str)))
|
||
(vip-enlarge-region (point) (mark))
|
||
(if (> (point) (mark)) (exchange-point-and-mark))
|
||
(insert vip-quote-string)
|
||
(beginning-of-line)
|
||
(forward-line 1)
|
||
(while (and (< (point) (mark)) (bolp))
|
||
(insert vip-quote-string)
|
||
(beginning-of-line)
|
||
(forward-line 1)))
|
||
|
||
(defun vip-end-with-a-newline-p (string)
|
||
"Check if the string ends with a newline."
|
||
(or (string= string "")
|
||
(= (aref string (1- (length string))) ?\n)))
|
||
|
||
(defvar vip-save-minibuffer-local-map)
|
||
|
||
(defun vip-read-string (prompt &optional init)
|
||
(setq vip-save-minibuffer-local-map (copy-keymap minibuffer-local-map))
|
||
(define-key minibuffer-local-map "\C-h" 'backward-char)
|
||
(define-key minibuffer-local-map "\C-w" 'backward-word)
|
||
(define-key minibuffer-local-map "\e" 'exit-minibuffer)
|
||
(let (str)
|
||
(condition-case conditions
|
||
(setq str (read-string prompt init))
|
||
(quit
|
||
(setq minibuffer-local-map vip-save-minibuffer-local-map)
|
||
(signal 'quit nil)))
|
||
(setq minibuffer-local-map vip-save-minibuffer-local-map)
|
||
str))
|
||
|
||
|
||
;; insertion commands
|
||
|
||
(defun vip-repeat-insert-command ()
|
||
"This function is called when mode changes from insertion mode to
|
||
vi command mode. It will repeat the insertion command if original insertion
|
||
command was invoked with argument > 1."
|
||
(let ((i-com (car vip-d-com)) (val (car (cdr vip-d-com))))
|
||
(if (and val (> val 1)) ;; first check that val is non-nil
|
||
(progn
|
||
(setq vip-d-com (list i-com (1- val) ?r))
|
||
(vip-repeat nil)
|
||
(setq vip-d-com (list i-com val ?r))))))
|
||
|
||
(defun vip-insert (arg) ""
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-d-com (list 'vip-insert val ?r))
|
||
(if com (vip-loop val (yank))
|
||
(vip-change-mode-to-insert))))
|
||
|
||
(defun vip-append (arg)
|
||
"Append after point."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-d-com (list 'vip-append val ?r))
|
||
(if (not (eolp)) (forward-char))
|
||
(if (equal com ?r)
|
||
(vip-loop val (yank))
|
||
(vip-change-mode-to-insert))))
|
||
|
||
(defun vip-Append (arg)
|
||
"Append at end of line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-d-com (list 'vip-Append val ?r))
|
||
(end-of-line)
|
||
(if (equal com ?r)
|
||
(vip-loop val (yank))
|
||
(vip-change-mode-to-insert))))
|
||
|
||
(defun vip-Insert (arg)
|
||
"Insert before first non-white."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-d-com (list 'vip-Insert val ?r))
|
||
(back-to-indentation)
|
||
(if (equal com ?r)
|
||
(vip-loop val (yank))
|
||
(vip-change-mode-to-insert))))
|
||
|
||
(defun vip-open-line (arg)
|
||
"Open line below."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-d-com (list 'vip-open-line val ?r))
|
||
(let ((col (current-indentation)))
|
||
(if (equal com ?r)
|
||
(vip-loop val
|
||
(progn
|
||
(end-of-line)
|
||
(newline 1)
|
||
(if vip-open-with-indent (indent-to col))
|
||
(yank)))
|
||
(end-of-line)
|
||
(newline 1)
|
||
(if vip-open-with-indent (indent-to col))
|
||
(vip-change-mode-to-insert)))))
|
||
|
||
(defun vip-Open-line (arg)
|
||
"Open line above."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-d-com (list 'vip-Open-line val ?r))
|
||
(let ((col (current-indentation)))
|
||
(if (equal com ?r)
|
||
(vip-loop val
|
||
(progn
|
||
(beginning-of-line)
|
||
(open-line 1)
|
||
(if vip-open-with-indent (indent-to col))
|
||
(yank)))
|
||
(beginning-of-line)
|
||
(open-line 1)
|
||
(if vip-open-with-indent (indent-to col))
|
||
(vip-change-mode-to-insert)))))
|
||
|
||
(defun vip-open-line-at-point (arg)
|
||
"Open line at point."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-d-com (list 'vip-open-line-at-point val ?r))
|
||
(if (equal com ?r)
|
||
(vip-loop val
|
||
(progn
|
||
(open-line 1)
|
||
(yank)))
|
||
(open-line 1)
|
||
(vip-change-mode-to-insert))))
|
||
|
||
(defun vip-substitute (arg)
|
||
"Substitute characters."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(save-excursion
|
||
(set-mark (point))
|
||
(forward-char val)
|
||
(if (equal com ?r)
|
||
(vip-change-subr (mark) (point))
|
||
(vip-change (mark) (point))))
|
||
(setq vip-d-com (list 'vip-substitute val ?r))))
|
||
|
||
(defun vip-substitute-line (arg)
|
||
"Substitute lines."
|
||
(interactive "p")
|
||
(vip-line (cons arg ?C)))
|
||
|
||
|
||
;; line command
|
||
|
||
(defun vip-line (arg)
|
||
(let ((val (car arg)) (com (cdr arg)))
|
||
(move-marker vip-com-point (point))
|
||
(next-line (1- val))
|
||
(vip-execute-com 'vip-line val com)))
|
||
|
||
(defun vip-yank-line (arg)
|
||
"Yank ARG lines (in vi's sense)"
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)))
|
||
(vip-line (cons val ?Y))))
|
||
|
||
|
||
;; region command
|
||
|
||
(defun vip-region (arg)
|
||
(interactive "P")
|
||
(let ((val (vip-P-val arg))
|
||
(com (vip-getcom arg)))
|
||
(move-marker vip-com-point (point))
|
||
(exchange-point-and-mark)
|
||
(vip-execute-com 'vip-region val com)))
|
||
|
||
(defun vip-Region (arg)
|
||
(interactive "P")
|
||
(let ((val (vip-P-val arg))
|
||
(com (vip-getCom arg)))
|
||
(move-marker vip-com-point (point))
|
||
(exchange-point-and-mark)
|
||
(vip-execute-com 'vip-Region val com)))
|
||
|
||
(defun vip-replace-char (arg)
|
||
"Replace the following ARG chars by the character read."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-d-com (list 'vip-replace-char val ?r))
|
||
(vip-replace-char-subr (if (equal com ?r) vip-d-char (read-char)) val)))
|
||
|
||
(defun vip-replace-char-subr (char arg)
|
||
(delete-char arg t)
|
||
(setq vip-d-char char)
|
||
(vip-loop (if (> arg 0) arg (- arg)) (insert char))
|
||
(backward-char arg))
|
||
|
||
(defun vip-replace-string ()
|
||
"Replace string. If you supply null string as the string to be replaced,
|
||
the query replace mode will toggle between string replace and regexp replace."
|
||
(interactive)
|
||
(let (str)
|
||
(setq str (vip-read-string
|
||
(if vip-re-replace "Replace regexp: " "Replace string: ")))
|
||
(if (string= str "")
|
||
(progn
|
||
(setq vip-re-replace (not vip-re-replace))
|
||
(message "Replace mode changed to %s."
|
||
(if vip-re-replace "regexp replace"
|
||
"string replace")))
|
||
(if vip-re-replace
|
||
;; (replace-regexp
|
||
;; str
|
||
;; (vip-read-string (format "Replace regexp \"%s\" with: " str)))
|
||
(while (re-search-forward str nil t)
|
||
(replace-match (vip-read-string
|
||
(format "Replace regexp \"%s\" with: " str))
|
||
nil nil))
|
||
(replace-string
|
||
str
|
||
(vip-read-string (format "Replace \"%s\" with: " str)))))))
|
||
|
||
|
||
;; basic cursor movement. j, k, l, m commands.
|
||
|
||
(defun vip-forward-char (arg)
|
||
"Move point right ARG characters (left if ARG negative).On reaching end
|
||
of buffer, stop and signal error."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(forward-char val)
|
||
(if com (vip-execute-com 'vip-forward-char val com))))
|
||
|
||
(defun vip-backward-char (arg)
|
||
"Move point left ARG characters (right if ARG negative). On reaching
|
||
beginning of buffer, stop and signal error."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(backward-char val)
|
||
(if com (vip-execute-com 'vip-backward-char val com))))
|
||
|
||
|
||
;; word command
|
||
|
||
(defun vip-forward-word (arg)
|
||
"Forward word."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(forward-word val)
|
||
(skip-chars-forward " \t\n")
|
||
(if com
|
||
(progn
|
||
(if (or (= com ?c) (= com (- ?c)))
|
||
(progn (backward-word 1) (forward-word 1)))
|
||
(if (or (= com ?d) (= com ?y))
|
||
(progn
|
||
(backward-word 1)
|
||
(forward-word 1)
|
||
(skip-chars-forward " \t")))
|
||
(vip-execute-com 'vip-forward-word val com)))))
|
||
|
||
(defun vip-end-of-word (arg)
|
||
"Move point to end of current word."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(forward-char)
|
||
(forward-word val)
|
||
(backward-char)
|
||
(if com
|
||
(progn
|
||
(forward-char)
|
||
(vip-execute-com 'vip-end-of-word val com)))))
|
||
|
||
(defun vip-backward-word (arg)
|
||
"Backward word."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(backward-word val)
|
||
(if com (vip-execute-com 'vip-backward-word val com))))
|
||
|
||
(defun vip-forward-Word (arg)
|
||
"Forward word delimited by white character."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(re-search-forward "[^ \t\n]*[ \t\n]+" nil t val)
|
||
(if com
|
||
(progn
|
||
(if (or (= com ?c) (= com (- ?c)))
|
||
(progn (backward-word 1) (forward-word 1)))
|
||
(if (or (= com ?d) (= com ?y))
|
||
(progn
|
||
(backward-word 1)
|
||
(forward-word 1)
|
||
(skip-chars-forward " \t")))
|
||
(vip-execute-com 'vip-forward-Word val com)))))
|
||
|
||
(defun vip-end-of-Word (arg)
|
||
"Move forward to end of word delimited by white character."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(forward-char)
|
||
(if (re-search-forward "[^ \t\n]+" nil t val) (backward-char))
|
||
(if com
|
||
(progn
|
||
(forward-char)
|
||
(vip-execute-com 'vip-end-of-Word val com)))))
|
||
|
||
(defun vip-backward-Word (arg)
|
||
"Backward word delimited by white character."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(if (re-search-backward "[ \t\n]+[^ \t\n]+" nil t val)
|
||
(forward-char)
|
||
(goto-char (point-min)))
|
||
(if com (vip-execute-com 'vip-backward-Word val com))))
|
||
|
||
(defun vip-beginning-of-line (arg)
|
||
"Go to beginning of line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(beginning-of-line val)
|
||
(if com (vip-execute-com 'vip-beginning-of-line val com))))
|
||
|
||
(defun vip-bol-and-skip-white (arg)
|
||
"Beginning of line at first non-white character."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(back-to-indentation)
|
||
(if com (vip-execute-com 'vip-bol-and-skip-white val com))))
|
||
|
||
(defun vip-goto-eol (arg)
|
||
"Go to end of line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(end-of-line val)
|
||
(if com (vip-execute-com 'vip-goto-eol val com))))
|
||
|
||
(defun vip-next-line (arg)
|
||
"Go to next line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getCom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(line-move val)
|
||
(setq this-command 'next-line)
|
||
(if com (vip-execute-com 'vip-next-line val com))))
|
||
|
||
(defun vip-next-line-at-bol (arg)
|
||
"Next line at beginning of line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getCom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(next-line val)
|
||
(back-to-indentation)
|
||
(if com (vip-execute-com 'vip-next-line-at-bol val com))))
|
||
|
||
(defun vip-previous-line (arg)
|
||
"Go to previous line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getCom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(next-line (- val))
|
||
(setq this-command 'previous-line)
|
||
(if com (vip-execute-com 'vip-previous-line val com))))
|
||
|
||
(defun vip-previous-line-at-bol (arg)
|
||
"Previous line at beginning of line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getCom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(next-line (- val))
|
||
(back-to-indentation)
|
||
(if com (vip-execute-com 'vip-previous-line val com))))
|
||
|
||
(defun vip-change-to-eol (arg)
|
||
"Change to end of line."
|
||
(interactive "P")
|
||
(vip-goto-eol (cons arg ?c)))
|
||
|
||
(defun vip-kill-line (arg)
|
||
"Delete line."
|
||
(interactive "P")
|
||
(vip-goto-eol (cons arg ?d)))
|
||
|
||
|
||
;; moving around
|
||
|
||
(defun vip-goto-line (arg)
|
||
"Go to ARG's line. Without ARG go to end of buffer."
|
||
(interactive "P")
|
||
(let ((val (vip-P-val arg)) (com (vip-getCom arg)))
|
||
(move-marker vip-com-point (point))
|
||
(set-mark (point))
|
||
(if (null val)
|
||
(goto-char (point-max))
|
||
(goto-char (point-min))
|
||
(forward-line (1- val)))
|
||
(back-to-indentation)
|
||
(if com (vip-execute-com 'vip-goto-line val com))))
|
||
|
||
(defun vip-find-char (arg char forward offset)
|
||
"Find ARG's occurrence of CHAR on the current line. If FORWARD then
|
||
search is forward, otherwise backward. OFFSET is used to adjust point
|
||
after search."
|
||
(let ((arg (if forward arg (- arg))) point)
|
||
(save-excursion
|
||
(save-restriction
|
||
(if (> arg 0)
|
||
(narrow-to-region
|
||
;; forward search begins here
|
||
(if (eolp) (error "") (point))
|
||
;; forward search ends here
|
||
(progn (next-line 1) (beginning-of-line) (point)))
|
||
(narrow-to-region
|
||
;; backward search begins from here
|
||
(if (bolp) (error "") (point))
|
||
;; backward search ends here
|
||
(progn (beginning-of-line) (point))))
|
||
;; if arg > 0, point is forwarded before search.
|
||
(if (> arg 0) (goto-char (1+ (point-min)))
|
||
(goto-char (point-max)))
|
||
(let ((case-fold-search nil))
|
||
(search-forward (char-to-string char) nil 0 arg))
|
||
(setq point (point))
|
||
(if (or (and (> arg 0) (= point (point-max)))
|
||
(and (< arg 0) (= point (point-min))))
|
||
(error ""))))
|
||
(goto-char (+ point (if (> arg 0) (if offset -2 -1) (if offset 1 0))))))
|
||
|
||
(defun vip-find-char-forward (arg)
|
||
"Find char on the line. If called interactively read the char to find
|
||
from the terminal, and if called from vip-repeat, the char last used is
|
||
used. This behaviour is controlled by the sign of prefix numeric value."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if (> val 0)
|
||
;; this means that the function was called interactively
|
||
(setq vip-f-char (read-char)
|
||
vip-f-forward t
|
||
vip-f-offset nil)
|
||
(setq val (- val)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(vip-find-char val (if (> (vip-p-val arg) 0) vip-f-char vip-F-char) t nil)
|
||
(setq val (- val))
|
||
(if com
|
||
(progn
|
||
(setq vip-F-char vip-f-char);; set new vip-F-char
|
||
(forward-char)
|
||
(vip-execute-com 'vip-find-char-forward val com)))))
|
||
|
||
(defun vip-goto-char-forward (arg)
|
||
"Go up to char ARG forward on line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if (> val 0)
|
||
;; this means that the function was called interactively
|
||
(setq vip-f-char (read-char)
|
||
vip-f-forward t
|
||
vip-f-offset t)
|
||
(setq val (- val)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(vip-find-char val (if (> (vip-p-val arg) 0) vip-f-char vip-F-char) t t)
|
||
(setq val (- val))
|
||
(if com
|
||
(progn
|
||
(setq vip-F-char vip-f-char);; set new vip-F-char
|
||
(forward-char)
|
||
(vip-execute-com 'vip-goto-char-forward val com)))))
|
||
|
||
(defun vip-find-char-backward (arg)
|
||
"Find char ARG on line backward."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if (> val 0)
|
||
;; this means that the function was called interactively
|
||
(setq vip-f-char (read-char)
|
||
vip-f-forward nil
|
||
vip-f-offset nil)
|
||
(setq val (- val)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(vip-find-char
|
||
val (if (> (vip-p-val arg) 0) vip-f-char vip-F-char) nil nil)
|
||
(setq val (- val))
|
||
(if com
|
||
(progn
|
||
(setq vip-F-char vip-f-char);; set new vip-F-char
|
||
(vip-execute-com 'vip-find-char-backward val com)))))
|
||
|
||
(defun vip-goto-char-backward (arg)
|
||
"Go up to char ARG backward on line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if (> val 0)
|
||
;; this means that the function was called interactively
|
||
(setq vip-f-char (read-char)
|
||
vip-f-forward nil
|
||
vip-f-offset t)
|
||
(setq val (- val)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(vip-find-char val (if (> (vip-p-val arg) 0) vip-f-char vip-F-char) nil t)
|
||
(setq val (- val))
|
||
(if com
|
||
(progn
|
||
(setq vip-F-char vip-f-char);; set new vip-F-char
|
||
(vip-execute-com 'vip-goto-char-backward val com)))))
|
||
|
||
(defun vip-repeat-find (arg)
|
||
"Repeat previous find command."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(vip-find-char val vip-f-char vip-f-forward vip-f-offset)
|
||
(if com
|
||
(progn
|
||
(if vip-f-forward (forward-char))
|
||
(vip-execute-com 'vip-repeat-find val com)))))
|
||
|
||
(defun vip-repeat-find-opposite (arg)
|
||
"Repeat previous find command in the opposite direction."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(vip-find-char val vip-f-char (not vip-f-forward) vip-f-offset)
|
||
(if com
|
||
(progn
|
||
(if vip-f-forward (forward-char))
|
||
(vip-execute-com 'vip-repeat-find-opposite val com)))))
|
||
|
||
|
||
;; window scrolling etc.
|
||
|
||
(defun vip-other-window (arg)
|
||
"Switch to other window."
|
||
(interactive "p")
|
||
(other-window arg)
|
||
(or (not (eq vip-current-mode 'emacs-mode))
|
||
(string= (buffer-name (current-buffer)) " *Minibuf-1*")
|
||
(vip-change-mode-to-vi)))
|
||
|
||
(defun vip-window-top (arg)
|
||
"Go to home window line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getCom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(move-to-window-line (1- val))
|
||
(if com (vip-execute-com 'vip-window-top val com))))
|
||
|
||
(defun vip-window-middle (arg)
|
||
"Go to middle window line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getCom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(move-to-window-line (+ (/ (1- (window-height)) 2) (1- val)))
|
||
(if com (vip-execute-com 'vip-window-middle val com))))
|
||
|
||
(defun vip-window-bottom (arg)
|
||
"Go to last window line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getCom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(move-to-window-line (- val))
|
||
(if com (vip-execute-com 'vip-window-bottom val com))))
|
||
|
||
(defun vip-line-to-top (arg)
|
||
"Put current line on the home line."
|
||
(interactive "p")
|
||
(recenter (1- arg)))
|
||
|
||
(defun vip-line-to-middle (arg)
|
||
"Put current line on the middle line."
|
||
(interactive "p")
|
||
(recenter (+ (1- arg) (/ (1- (window-height)) 2))))
|
||
|
||
(defun vip-line-to-bottom (arg)
|
||
"Put current line on the last line."
|
||
(interactive "p")
|
||
(recenter (- (window-height) (1+ arg))))
|
||
|
||
|
||
;; paren match
|
||
|
||
(defun vip-paren-match (arg)
|
||
"Go to the matching parenthesis."
|
||
(interactive "P")
|
||
(let ((com (vip-getcom arg)))
|
||
(if (numberp arg)
|
||
(if (or (> arg 99) (< arg 1))
|
||
(error "Prefix must be between 1 and 99.")
|
||
(goto-char
|
||
(if (> (point-max) 80000)
|
||
(* (/ (point-max) 100) arg)
|
||
(/ (* (point-max) arg) 100)))
|
||
(back-to-indentation))
|
||
(cond ((looking-at "[\(\[{]")
|
||
(if com (move-marker vip-com-point (point)))
|
||
(forward-sexp 1)
|
||
(if com
|
||
(vip-execute-com 'vip-paren-match nil com)
|
||
(backward-char)))
|
||
((looking-at "[])}]")
|
||
(forward-char)
|
||
(if com (move-marker vip-com-point (point)))
|
||
(backward-sexp 1)
|
||
(if com (vip-execute-com 'vip-paren-match nil com)))
|
||
(t (error ""))))))
|
||
|
||
|
||
;; sentence and paragraph
|
||
|
||
(defun vip-forward-sentence (arg)
|
||
"Forward sentence."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(forward-sentence val)
|
||
(if com (vip-execute-com 'vip-forward-sentence nil com))))
|
||
|
||
(defun vip-backward-sentence (arg)
|
||
"Backward sentence."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getcom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(backward-sentence val)
|
||
(if com (vip-execute-com 'vip-backward-sentence nil com))))
|
||
|
||
(defun vip-forward-paragraph (arg)
|
||
"Forward paragraph."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getCom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(forward-paragraph val)
|
||
(if com (vip-execute-com 'vip-forward-paragraph nil com))))
|
||
|
||
(defun vip-backward-paragraph (arg)
|
||
"Backward paragraph."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(com (vip-getCom arg)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(backward-paragraph val)
|
||
(if com (vip-execute-com 'vip-backward-paragraph nil com))))
|
||
|
||
|
||
;; scrolling
|
||
|
||
(defun vip-scroll (arg)
|
||
"Scroll to next screen."
|
||
(interactive "p")
|
||
(if (> arg 0)
|
||
(while (> arg 0)
|
||
(scroll-up)
|
||
(setq arg (1- arg)))
|
||
(while (> 0 arg)
|
||
(scroll-down)
|
||
(setq arg (1+ arg)))))
|
||
|
||
(defun vip-scroll-back (arg)
|
||
"Scroll to previous screen."
|
||
(interactive "p")
|
||
(vip-scroll (- arg)))
|
||
|
||
(defun vip-scroll-down (arg)
|
||
"Scroll up half screen."
|
||
(interactive "P")
|
||
(if (null arg) (scroll-down (/ (window-height) 2))
|
||
(scroll-down arg)))
|
||
|
||
(defun vip-scroll-down-one (arg)
|
||
"Scroll up one line."
|
||
(interactive "p")
|
||
(scroll-down arg))
|
||
|
||
(defun vip-scroll-up (arg)
|
||
"Scroll down half screen."
|
||
(interactive "P")
|
||
(if (null arg) (scroll-up (/ (window-height) 2))
|
||
(scroll-up arg)))
|
||
|
||
(defun vip-scroll-up-one (arg)
|
||
"Scroll down one line."
|
||
(interactive "p")
|
||
(scroll-up arg))
|
||
|
||
|
||
;; splitting window
|
||
|
||
(defun vip-buffer-in-two-windows ()
|
||
"Show current buffer in two windows."
|
||
(interactive)
|
||
(delete-other-windows)
|
||
(split-window-vertically nil))
|
||
|
||
|
||
;; searching
|
||
|
||
(defun vip-search-forward (arg)
|
||
"Search a string forward. ARG is used to find the ARG's occurrence
|
||
of the string. Default is vanilla search. Search mode can be toggled by
|
||
giving null search string."
|
||
(interactive "P")
|
||
(let ((val (vip-P-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-s-forward t
|
||
vip-s-string (vip-read-string (if vip-re-search "RE-/" "/")))
|
||
(if (string= vip-s-string "")
|
||
(progn
|
||
(setq vip-re-search (not vip-re-search))
|
||
(message "Search mode changed to %s search."
|
||
(if vip-re-search "regular expression"
|
||
"vanilla")))
|
||
(vip-search vip-s-string t val)
|
||
(if com
|
||
(progn
|
||
(move-marker vip-com-point (mark))
|
||
(vip-execute-com 'vip-search-next val com))))))
|
||
|
||
(defun vip-search-backward (arg)
|
||
"Search a string backward. ARG is used to find the ARG's occurrence
|
||
of the string. Default is vanilla search. Search mode can be toggled by
|
||
giving null search string."
|
||
(interactive "P")
|
||
(let ((val (vip-P-val arg)) (com (vip-getcom arg)))
|
||
(setq vip-s-forward nil
|
||
vip-s-string (vip-read-string (if vip-re-search "RE-?" "?")))
|
||
(if (string= vip-s-string "")
|
||
(progn
|
||
(setq vip-re-search (not vip-re-search))
|
||
(message "Search mode changed to %s search."
|
||
(if vip-re-search "regular expression"
|
||
"vanilla")))
|
||
(vip-search vip-s-string nil val)
|
||
(if com
|
||
(progn
|
||
(move-marker vip-com-point (mark))
|
||
(vip-execute-com 'vip-search-next val com))))))
|
||
|
||
(defun vip-search (string forward arg &optional no-offset init-point)
|
||
"(STRING FORWARD COUNT &optional NO-OFFSET) Search COUNT's occurrence of
|
||
STRING. Search will be forward if FORWARD, otherwise backward."
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg))
|
||
(null-arg (null (vip-P-val arg))) (offset (not no-offset))
|
||
(case-fold-search vip-case-fold-search)
|
||
(start-point (or init-point (point))))
|
||
(if forward
|
||
(condition-case conditions
|
||
(progn
|
||
(if (and offset (not (eobp))) (forward-char))
|
||
(if vip-re-search
|
||
(progn
|
||
(re-search-forward string nil nil val)
|
||
(re-search-backward string))
|
||
(search-forward string nil nil val)
|
||
(search-backward string))
|
||
(push-mark start-point))
|
||
(search-failed
|
||
(if (and null-arg vip-search-wrap-around)
|
||
(progn
|
||
(goto-char (point-min))
|
||
(vip-search string forward (cons 1 com) t start-point))
|
||
(goto-char start-point)
|
||
(signal 'search-failed (cdr conditions)))))
|
||
(condition-case conditions
|
||
(progn
|
||
(if vip-re-search
|
||
(re-search-backward string nil nil val)
|
||
(search-backward string nil nil val))
|
||
(push-mark start-point))
|
||
(search-failed
|
||
(if (and null-arg vip-search-wrap-around)
|
||
(progn
|
||
(goto-char (point-max))
|
||
(vip-search string forward (cons 1 com) t start-point))
|
||
(goto-char start-point)
|
||
(signal 'search-failed (cdr conditions))))))))
|
||
|
||
(defun vip-search-next (arg)
|
||
"Repeat previous search."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if (null vip-s-string) (error "No previous search string."))
|
||
(vip-search vip-s-string vip-s-forward arg)
|
||
(if com (vip-execute-com 'vip-search-next val com))))
|
||
|
||
(defun vip-search-Next (arg)
|
||
"Repeat previous search in the reverse direction."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)) (com (vip-getcom arg)))
|
||
(if (null vip-s-string) (error "No previous search string."))
|
||
(vip-search vip-s-string (not vip-s-forward) arg)
|
||
(if com (vip-execute-com 'vip-search-Next val com))))
|
||
|
||
|
||
;; visiting and killing files, buffers
|
||
|
||
(defun vip-switch-to-buffer ()
|
||
"Switch to buffer in the current window."
|
||
(interactive)
|
||
(let (buffer)
|
||
(setq buffer
|
||
(read-buffer
|
||
(format "switch to buffer \(%s\): "
|
||
(buffer-name (other-buffer (current-buffer))))))
|
||
(switch-to-buffer buffer)
|
||
(vip-change-mode-to-vi)))
|
||
|
||
(defun vip-switch-to-buffer-other-window ()
|
||
"Switch to buffer in another window."
|
||
(interactive)
|
||
(let (buffer)
|
||
(setq buffer
|
||
(read-buffer
|
||
(format "Switch to buffer \(%s\): "
|
||
(buffer-name (other-buffer (current-buffer))))))
|
||
(switch-to-buffer-other-window buffer)
|
||
(vip-change-mode-to-vi)))
|
||
|
||
(defun vip-kill-buffer ()
|
||
"Kill a buffer."
|
||
(interactive)
|
||
(let (buffer buffer-name)
|
||
(setq buffer-name
|
||
(read-buffer
|
||
(format "Kill buffer \(%s\): "
|
||
(buffer-name (current-buffer)))))
|
||
(setq buffer
|
||
(if (null buffer-name)
|
||
(current-buffer)
|
||
(get-buffer buffer-name)))
|
||
(if (null buffer) (error "Buffer %s nonexistent." buffer-name))
|
||
(if (or (not (buffer-modified-p buffer))
|
||
(y-or-n-p "Buffer is modified, are you sure? "))
|
||
(kill-buffer buffer)
|
||
(error "Buffer not killed."))))
|
||
|
||
(defun vip-find-file ()
|
||
"Visit file in the current window."
|
||
(interactive)
|
||
(let (file)
|
||
(setq file (read-file-name "visit file: "))
|
||
(switch-to-buffer (find-file-noselect file))
|
||
(vip-change-mode-to-vi)))
|
||
|
||
(defun vip-find-file-other-window ()
|
||
"Visit file in another window."
|
||
(interactive)
|
||
(let (file)
|
||
(setq file (read-file-name "Visit file: "))
|
||
(switch-to-buffer-other-window (find-file-noselect file))
|
||
(vip-change-mode-to-vi)))
|
||
|
||
(defun vip-info-on-file ()
|
||
"Give information of the file associated to the current buffer."
|
||
(interactive)
|
||
(message "\"%s\" line %d of %d"
|
||
(if (buffer-file-name) (buffer-file-name) "")
|
||
(1+ (count-lines (point-min) (point)))
|
||
(1+ (count-lines (point-min) (point-max)))))
|
||
|
||
|
||
;; yank and pop
|
||
|
||
(defun vip-yank (text)
|
||
"yank TEXT silently."
|
||
(save-excursion
|
||
(vip-push-mark-silent (point))
|
||
(insert text)
|
||
(exchange-point-and-mark))
|
||
(skip-chars-forward " \t"))
|
||
|
||
(defun vip-put-back (arg)
|
||
"Put back after point/below line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(text (if vip-use-register
|
||
(if (and (<= ?1 vip-use-register) (<= vip-use-register ?9))
|
||
(current-kill (- vip-use-register ?1) 'do-not-rotate)
|
||
(get-register vip-use-register))
|
||
(current-kill 0))))
|
||
(if (null text)
|
||
(if vip-use-register
|
||
(let ((reg vip-use-register))
|
||
(setq vip-use-register nil)
|
||
(error "Nothing in register %c" reg))
|
||
(error "")))
|
||
(setq vip-use-register nil)
|
||
(if (vip-end-with-a-newline-p text)
|
||
(progn
|
||
(next-line 1)
|
||
(beginning-of-line))
|
||
(if (and (not (eolp)) (not (eobp))) (forward-char)))
|
||
(setq vip-d-com (list 'vip-put-back val nil vip-use-register))
|
||
(vip-loop val (vip-yank text))))
|
||
|
||
(defun vip-Put-back (arg)
|
||
"Put back at point/above line."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg))
|
||
(text (if vip-use-register
|
||
(if (and (<= ?1 vip-use-register) (<= vip-use-register ?9))
|
||
(current-kill (- vip-use-register ?1) 'do-not-rotate)
|
||
(get-register vip-use-register))
|
||
(current-kill 0))))
|
||
(if (null text)
|
||
(if vip-use-register
|
||
(let ((reg vip-use-register))
|
||
(setq vip-use-register nil)
|
||
(error "Nothing in register %c" reg))
|
||
(error "")))
|
||
(setq vip-use-register nil)
|
||
(if (vip-end-with-a-newline-p text) (beginning-of-line))
|
||
(setq vip-d-com (list 'vip-Put-back val nil vip-use-register))
|
||
(vip-loop val (vip-yank text))))
|
||
|
||
(defun vip-delete-char (arg)
|
||
"Delete character."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)))
|
||
(setq vip-d-com (list 'vip-delete-char val nil))
|
||
(if vip-use-register
|
||
(progn
|
||
(if (and (<= ?A vip-use-register) (<= vip-use-register ?Z))
|
||
(vip-append-to-register
|
||
(+ vip-use-register 32) (point) (- (point) val))
|
||
(copy-to-register vip-use-register (point) (- (point) val) nil))
|
||
(setq vip-use-register nil)))
|
||
(delete-char val t)))
|
||
|
||
(defun vip-delete-backward-char (arg)
|
||
"Delete previous character."
|
||
(interactive "P")
|
||
(let ((val (vip-p-val arg)))
|
||
(setq vip-d-com (list 'vip-delete-backward-char val nil))
|
||
(if vip-use-register
|
||
(progn
|
||
(if (and (<= ?A vip-use-register) (<= vip-use-register ?Z))
|
||
(vip-append-to-register
|
||
(+ vip-use-register 32) (point) (+ (point) val))
|
||
(copy-to-register vip-use-register (point) (+ (point) val) nil))
|
||
(setq vip-use-register nil)))
|
||
(delete-backward-char val t)))
|
||
|
||
|
||
;; join lines.
|
||
|
||
(defun vip-join-lines (arg)
|
||
"Join this line to next, if ARG is nil. Otherwise, join ARG lines"
|
||
(interactive "*P")
|
||
(let ((val (vip-P-val arg)))
|
||
(setq vip-d-com (list 'vip-join-lines val nil))
|
||
(vip-loop (if (null val) 1 (1- val))
|
||
(progn
|
||
(end-of-line)
|
||
(if (not (eobp))
|
||
(progn
|
||
(forward-line 1)
|
||
(delete-region (point) (1- (point)))
|
||
(fixup-whitespace)))))))
|
||
|
||
|
||
;; making small changes
|
||
|
||
(defvar vip-c-string)
|
||
|
||
(defun vip-change (beg end)
|
||
(setq vip-c-string
|
||
(vip-read-string (format "%s => " (buffer-substring beg end))))
|
||
(vip-change-subr beg end))
|
||
|
||
(defun vip-change-subr (beg end)
|
||
(if vip-use-register
|
||
(progn
|
||
(copy-to-register vip-use-register beg end nil)
|
||
(setq vip-use-register nil)))
|
||
(kill-region beg end)
|
||
(setq this-command 'vip-change)
|
||
(insert vip-c-string))
|
||
|
||
|
||
;; query replace
|
||
|
||
(defun vip-query-replace ()
|
||
"Query replace. If you supply null string as the string to be replaced,
|
||
the query replace mode will toggle between string replace and regexp replace."
|
||
(interactive)
|
||
(let (str)
|
||
(setq str (vip-read-string
|
||
(if vip-re-query-replace "Query replace regexp: "
|
||
"Query replace: ")))
|
||
(if (string= str "")
|
||
(progn
|
||
(setq vip-re-query-replace (not vip-re-query-replace))
|
||
(message "Query replace mode changed to %s."
|
||
(if vip-re-query-replace "regexp replace"
|
||
"string replace")))
|
||
(if vip-re-query-replace
|
||
(query-replace-regexp
|
||
str
|
||
(vip-read-string (format "Query replace regexp \"%s\" with: " str)))
|
||
(query-replace
|
||
str
|
||
(vip-read-string (format "Query replace \"%s\" with: " str)))))))
|
||
|
||
|
||
;; marking
|
||
|
||
(defun vip-mark-beginning-of-buffer ()
|
||
(interactive)
|
||
(set-mark (point))
|
||
(goto-char (point-min))
|
||
(exchange-point-and-mark)
|
||
(message "mark set at the beginning of buffer"))
|
||
|
||
(defun vip-mark-end-of-buffer ()
|
||
(interactive)
|
||
(set-mark (point))
|
||
(goto-char (point-max))
|
||
(exchange-point-and-mark)
|
||
(message "mark set at the end of buffer"))
|
||
|
||
(defun vip-mark-point (char)
|
||
(interactive "c")
|
||
(cond ((and (<= ?a char) (<= char ?z))
|
||
(point-to-register (- char (- ?a ?\C-a)) nil))
|
||
((= char ?<) (vip-mark-beginning-of-buffer))
|
||
((= char ?>) (vip-mark-end-of-buffer))
|
||
((= char ?.) (push-mark))
|
||
((= char ?,) (set-mark-command 1))
|
||
((= char ?D) (mark-defun))
|
||
(t (error ""))))
|
||
|
||
(defun vip-goto-mark (arg)
|
||
"Go to mark."
|
||
(interactive "P")
|
||
(let ((char (read-char)) (com (vip-getcom arg)))
|
||
(vip-goto-mark-subr char com nil)))
|
||
|
||
(defun vip-goto-mark-and-skip-white (arg)
|
||
"Go to mark and skip to first non-white on line."
|
||
(interactive "P")
|
||
(let ((char (read-char)) (com (vip-getCom arg)))
|
||
(vip-goto-mark-subr char com t)))
|
||
|
||
(defun vip-goto-mark-subr (char com skip-white)
|
||
(cond ((and (<= ?a char) (<= char ?z))
|
||
(let ((buff (current-buffer)))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(goto-char (register-to-point (- char (- ?a ?\C-a))))
|
||
(if skip-white (back-to-indentation))
|
||
(vip-change-mode-to-vi)
|
||
(if com
|
||
(if (equal buff (current-buffer))
|
||
(vip-execute-com (if skip-white
|
||
'vip-goto-mark-and-skip-white
|
||
'vip-goto-mark)
|
||
nil com)
|
||
(switch-to-buffer buff)
|
||
(goto-char vip-com-point)
|
||
(vip-change-mode-to-vi)
|
||
(error "")))))
|
||
((and (not skip-white) (= char ?`))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(exchange-point-and-mark)
|
||
(if com (vip-execute-com 'vip-goto-mark nil com)))
|
||
((and skip-white (= char ?'))
|
||
(if com (move-marker vip-com-point (point)))
|
||
(exchange-point-and-mark)
|
||
(back-to-indentation)
|
||
(if com (vip-execute-com 'vip-goto-mark-and-skip-white nil com)))
|
||
(t (error ""))))
|
||
|
||
(defun vip-exchange-point-and-mark ()
|
||
(interactive)
|
||
(exchange-point-and-mark)
|
||
(back-to-indentation))
|
||
|
||
(defun vip-keyboard-quit ()
|
||
"Abort partially formed or running command."
|
||
(interactive)
|
||
(setq vip-use-register nil)
|
||
(keyboard-quit))
|
||
|
||
(defun vip-ctl-c-equivalent (arg)
|
||
"Emulate C-c in Emacs mode."
|
||
(interactive "P")
|
||
(vip-ctl-key-equivalent "\C-c" arg))
|
||
|
||
(defun vip-ctl-x-equivalent (arg)
|
||
"Emulate C-x in Emacs mode."
|
||
(interactive "P")
|
||
(vip-ctl-key-equivalent "\C-x" arg))
|
||
|
||
(defun vip-ctl-key-equivalent (key arg)
|
||
(let ((char (read-char)))
|
||
(if (and (<= ?A char) (<= char ?Z))
|
||
(setq char (- char (- ?A ?\C-a))))
|
||
(vip-escape-to-emacs arg (list (aref key 0) char))))
|
||
|
||
;; commands in insertion mode
|
||
|
||
(defun vip-delete-backward-word (arg)
|
||
"Delete previous word."
|
||
(interactive "p")
|
||
(save-excursion
|
||
(set-mark (point))
|
||
(backward-word arg)
|
||
(delete-region (point) (mark))))
|
||
|
||
|
||
;; implement ex commands
|
||
|
||
(defvar ex-token-type nil
|
||
"type of token. if non-nil, gives type of address. if nil, it
|
||
is a command.")
|
||
|
||
(defvar ex-token nil
|
||
"value of token.")
|
||
|
||
(defvar ex-addresses nil
|
||
"list of ex addresses")
|
||
|
||
(defvar ex-flag nil
|
||
"flag for ex flag")
|
||
|
||
(defvar ex-buffer nil
|
||
"name of ex buffer")
|
||
|
||
(defvar ex-count nil
|
||
"value of ex count")
|
||
|
||
(defvar ex-g-flag nil
|
||
"flag for global command")
|
||
|
||
(defvar ex-g-variant nil
|
||
"if t global command is executed on lines not matching ex-g-pat")
|
||
|
||
(defvar ex-reg-exp nil
|
||
"save reg-exp used in substitute")
|
||
|
||
(defvar ex-repl nil
|
||
"replace pattern for substitute")
|
||
|
||
(defvar ex-g-pat nil
|
||
"pattern for global command")
|
||
|
||
(defvar ex-map (make-sparse-keymap)
|
||
"save commands for mapped keys")
|
||
|
||
(defvar ex-tag nil
|
||
"save ex tag")
|
||
|
||
(defvar ex-file nil)
|
||
|
||
(defvar ex-variant nil)
|
||
|
||
(defvar ex-offset nil)
|
||
|
||
(defvar ex-append nil)
|
||
|
||
(defun vip-nil ()
|
||
(interactive)
|
||
(error ""))
|
||
|
||
(defun vip-looking-back (str)
|
||
"returns t if looking back reg-exp STR before point."
|
||
(and (save-excursion (re-search-backward str nil t))
|
||
(= (point) (match-end 0))))
|
||
|
||
(defun vip-check-sub (str)
|
||
"check if ex-token is an initial segment of STR"
|
||
(let ((length (length ex-token)))
|
||
(if (and (<= length (length str))
|
||
(string= ex-token (substring str 0 length)))
|
||
(setq ex-token str)
|
||
(setq ex-token-type "non-command"))))
|
||
|
||
(defun vip-get-ex-com-subr ()
|
||
"get a complete ex command"
|
||
(set-mark (point))
|
||
(re-search-forward "[a-z][a-z]*")
|
||
(setq ex-token-type "command")
|
||
(setq ex-token (buffer-substring (point) (mark)))
|
||
(exchange-point-and-mark)
|
||
(cond ((looking-at "a")
|
||
(cond ((looking-at "ab") (vip-check-sub "abbreviate"))
|
||
((looking-at "ar") (vip-check-sub "args"))
|
||
(t (vip-check-sub "append"))))
|
||
((looking-at "[bh]") (setq ex-token-type "non-command"))
|
||
((looking-at "c")
|
||
(if (looking-at "co") (vip-check-sub "copy")
|
||
(vip-check-sub "change")))
|
||
((looking-at "d") (vip-check-sub "delete"))
|
||
((looking-at "e")
|
||
(if (looking-at "ex") (vip-check-sub "ex")
|
||
(vip-check-sub "edit")))
|
||
((looking-at "f") (vip-check-sub "file"))
|
||
((looking-at "g") (vip-check-sub "global"))
|
||
((looking-at "i") (vip-check-sub "insert"))
|
||
((looking-at "j") (vip-check-sub "join"))
|
||
((looking-at "l") (vip-check-sub "list"))
|
||
((looking-at "m")
|
||
(cond ((looking-at "map") (vip-check-sub "map"))
|
||
((looking-at "mar") (vip-check-sub "mark"))
|
||
(t (vip-check-sub "move"))))
|
||
((looking-at "n")
|
||
(if (looking-at "nu") (vip-check-sub "number")
|
||
(vip-check-sub "next")))
|
||
((looking-at "o") (vip-check-sub "open"))
|
||
((looking-at "p")
|
||
(cond ((looking-at "pre") (vip-check-sub "preserve"))
|
||
((looking-at "pu") (vip-check-sub "put"))
|
||
(t (vip-check-sub "print"))))
|
||
((looking-at "q") (vip-check-sub "quit"))
|
||
((looking-at "r")
|
||
(cond ((looking-at "rec") (vip-check-sub "recover"))
|
||
((looking-at "rew") (vip-check-sub "rewind"))
|
||
(t (vip-check-sub "read"))))
|
||
((looking-at "s")
|
||
(cond ((looking-at "se") (vip-check-sub "set"))
|
||
((looking-at "sh") (vip-check-sub "shell"))
|
||
((looking-at "so") (vip-check-sub "source"))
|
||
((looking-at "st") (vip-check-sub "stop"))
|
||
(t (vip-check-sub "substitute"))))
|
||
((looking-at "t")
|
||
(if (looking-at "ta") (vip-check-sub "tag")
|
||
(vip-check-sub "t")))
|
||
((looking-at "u")
|
||
(cond ((looking-at "una") (vip-check-sub "unabbreviate"))
|
||
((looking-at "unm") (vip-check-sub "unmap"))
|
||
(t (vip-check-sub "undo"))))
|
||
((looking-at "v")
|
||
(cond ((looking-at "ve") (vip-check-sub "version"))
|
||
((looking-at "vi") (vip-check-sub "visual"))
|
||
(t (vip-check-sub "v"))))
|
||
((looking-at "w")
|
||
(if (looking-at "wq") (vip-check-sub "wq")
|
||
(vip-check-sub "write")))
|
||
((looking-at "x") (vip-check-sub "xit"))
|
||
((looking-at "y") (vip-check-sub "yank"))
|
||
((looking-at "z") (vip-check-sub "z")))
|
||
(exchange-point-and-mark))
|
||
|
||
(defun vip-get-ex-token ()
|
||
"get an ex-token which is either an address or a command.
|
||
a token has type \(command, address, end-mark\) and value."
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(cond ((looking-at "[k#]")
|
||
(setq ex-token-type "command")
|
||
(setq ex-token (char-to-string (following-char)))
|
||
(forward-char 1))
|
||
((looking-at "[a-z]") (vip-get-ex-com-subr))
|
||
((looking-at "\\.")
|
||
(forward-char 1)
|
||
(setq ex-token-type "dot"))
|
||
((looking-at "[0-9]")
|
||
(set-mark (point))
|
||
(re-search-forward "[0-9]*")
|
||
(setq ex-token-type
|
||
(cond ((string= ex-token-type "plus") "add-number")
|
||
((string= ex-token-type "minus") "sub-number")
|
||
(t "abs-number")))
|
||
(setq ex-token (string-to-int (buffer-substring (point) (mark)))))
|
||
((looking-at "\\$")
|
||
(forward-char 1)
|
||
(setq ex-token-type "end"))
|
||
((looking-at "%")
|
||
(forward-char 1)
|
||
(setq ex-token-type "whole"))
|
||
((looking-at "+")
|
||
(cond ((or (looking-at "+[-+]") (looking-at "+[\n|]"))
|
||
(forward-char 1)
|
||
(insert "1")
|
||
(backward-char 1)
|
||
(setq ex-token-type "plus"))
|
||
((looking-at "+[0-9]")
|
||
(forward-char 1)
|
||
(setq ex-token-type "plus"))
|
||
(t
|
||
(error "Badly formed address"))))
|
||
((looking-at "-")
|
||
(cond ((or (looking-at "-[-+]") (looking-at "-[\n|]"))
|
||
(forward-char 1)
|
||
(insert "1")
|
||
(backward-char 1)
|
||
(setq ex-token-type "minus"))
|
||
((looking-at "-[0-9]")
|
||
(forward-char 1)
|
||
(setq ex-token-type "minus"))
|
||
(t
|
||
(error "Badly formed address"))))
|
||
((looking-at "/")
|
||
(forward-char 1)
|
||
(set-mark (point))
|
||
(let ((cont t))
|
||
(while (and (not (eolp)) cont)
|
||
;;(re-search-forward "[^/]*/")
|
||
(re-search-forward "[^/]*\\(/\\|\n\\)")
|
||
(if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\/"))
|
||
(setq cont nil))))
|
||
(backward-char 1)
|
||
(setq ex-token (buffer-substring (point) (mark)))
|
||
(if (looking-at "/") (forward-char 1))
|
||
(setq ex-token-type "search-forward"))
|
||
((looking-at "\\?")
|
||
(forward-char 1)
|
||
(set-mark (point))
|
||
(let ((cont t))
|
||
(while (and (not (eolp)) cont)
|
||
;;(re-search-forward "[^\\?]*\\?")
|
||
(re-search-forward "[^\\?]*\\(\\?\\|\n\\)")
|
||
(if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\\\?"))
|
||
(setq cont nil))
|
||
(backward-char 1)
|
||
(if (not (looking-at "\n")) (forward-char 1))))
|
||
(setq ex-token-type "search-backward")
|
||
(setq ex-token (buffer-substring (1- (point)) (mark))))
|
||
((looking-at ",")
|
||
(forward-char 1)
|
||
(setq ex-token-type "comma"))
|
||
((looking-at ";")
|
||
(forward-char 1)
|
||
(setq ex-token-type "semi-colon"))
|
||
((looking-at "[!=><&~]")
|
||
(setq ex-token-type "command")
|
||
(setq ex-token (char-to-string (following-char)))
|
||
(forward-char 1))
|
||
((looking-at "'")
|
||
(setq ex-token-type "goto-mark")
|
||
(forward-char 1)
|
||
(cond ((looking-at "'") (setq ex-token nil))
|
||
((looking-at "[a-z]") (setq ex-token (following-char)))
|
||
(t (error "Marks are ' and a-z")))
|
||
(forward-char 1))
|
||
((looking-at "\n")
|
||
(setq ex-token-type "end-mark")
|
||
(setq ex-token "goto"))
|
||
(t
|
||
(error "illegal token")))))
|
||
|
||
(defun vip-ex (&optional string)
|
||
"ex commands within VIP."
|
||
(interactive)
|
||
(or string
|
||
(setq ex-g-flag nil
|
||
ex-g-variant nil))
|
||
(let ((com-str (or string (vip-read-string ":")))
|
||
(address nil) (cont t) (dot (point)))
|
||
(save-window-excursion
|
||
(set-buffer (get-buffer-create " *ex-working-space*"))
|
||
(delete-region (point-min) (point-max))
|
||
(insert com-str "\n")
|
||
(goto-char (point-min)))
|
||
(setq ex-token-type "")
|
||
(setq ex-addresses nil)
|
||
(while cont
|
||
(vip-get-ex-token)
|
||
(cond ((or (string= ex-token-type "command")
|
||
(string= ex-token-type "end-mark"))
|
||
(if address (setq ex-addresses (cons address ex-addresses)))
|
||
(cond ((string= ex-token "global")
|
||
(ex-global nil)
|
||
(setq cont nil))
|
||
((string= ex-token "v")
|
||
(ex-global t)
|
||
(setq cont nil))
|
||
(t
|
||
(vip-execute-ex-command)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(cond ((looking-at "|")
|
||
(forward-char 1))
|
||
((looking-at "\n")
|
||
(setq cont nil))
|
||
(t (error "Extra character at end of a command")))))))
|
||
((string= ex-token-type "non-command")
|
||
(error (format "%s: Not an editor command" ex-token)))
|
||
((string= ex-token-type "whole")
|
||
(setq ex-addresses
|
||
(cons (point-max) (cons (point-min) ex-addresses))))
|
||
((string= ex-token-type "comma")
|
||
(setq ex-addresses
|
||
(cons (if (null address) (point) address) ex-addresses)))
|
||
((string= ex-token-type "semi-colon")
|
||
(if address (setq dot address))
|
||
(setq ex-addresses
|
||
(cons (if (null address) (point) address) ex-addresses)))
|
||
(t (let ((ans (vip-get-ex-address-subr address dot)))
|
||
(if ans (setq address ans))))))))
|
||
|
||
(defun vip-get-ex-pat ()
|
||
"get a regular expression and set ex-variant if found"
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(if (looking-at "!")
|
||
(progn
|
||
(setq ex-g-variant (not ex-g-variant)
|
||
ex-g-flag (not ex-g-flag))
|
||
(forward-char 1)
|
||
(skip-chars-forward " \t")))
|
||
(if (looking-at "/")
|
||
(progn
|
||
(forward-char 1)
|
||
(set-mark (point))
|
||
(let ((cont t))
|
||
(while (and (not (eolp)) cont)
|
||
(re-search-forward "[^/]*\\(/\\|\n\\)")
|
||
;;(re-search-forward "[^/]*/")
|
||
(if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\/"))
|
||
(setq cont nil))))
|
||
(setq ex-token
|
||
(if (= (mark) (point)) ""
|
||
(buffer-substring (1- (point)) (mark))))
|
||
(backward-char 1))
|
||
(setq ex-token nil))))
|
||
|
||
(defun vip-get-ex-command ()
|
||
"get an ex command"
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(if (looking-at "/") (forward-char 1))
|
||
(skip-chars-forward " \t")
|
||
(cond ((looking-at "[a-z]")
|
||
(vip-get-ex-com-subr)
|
||
(if (string= ex-token-type "non-command")
|
||
(error "%s: not an editor command" ex-token)))
|
||
((looking-at "[!=><&~]")
|
||
(setq ex-token (char-to-string (following-char)))
|
||
(forward-char 1))
|
||
(t (error "Could not find an ex command")))))
|
||
|
||
(defun vip-get-ex-opt-gc ()
|
||
"get an ex option g or c"
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(if (looking-at "/") (forward-char 1))
|
||
(skip-chars-forward " \t")
|
||
(cond ((looking-at "g")
|
||
(setq ex-token "g")
|
||
(forward-char 1)
|
||
t)
|
||
((looking-at "c")
|
||
(setq ex-token "c")
|
||
(forward-char 1)
|
||
t)
|
||
(t nil))))
|
||
|
||
(defun vip-default-ex-addresses (&optional whole-flag)
|
||
"compute default addresses. whole-flag means whole buffer."
|
||
(cond ((null ex-addresses)
|
||
(setq ex-addresses
|
||
(if whole-flag
|
||
(cons (point-max) (cons (point-min) nil))
|
||
(cons (point) (cons (point) nil)))))
|
||
((null (cdr ex-addresses))
|
||
(setq ex-addresses
|
||
(cons (car ex-addresses) ex-addresses)))))
|
||
|
||
(defun vip-get-ex-address ()
|
||
"get an ex-address as a marker and set ex-flag if a flag is found"
|
||
(let ((address (point-marker)) (cont t))
|
||
(setq ex-token "")
|
||
(setq ex-flag nil)
|
||
(while cont
|
||
(vip-get-ex-token)
|
||
(cond ((string= ex-token-type "command")
|
||
(if (or (string= ex-token "print") (string= ex-token "list")
|
||
(string= ex-token "#"))
|
||
(progn
|
||
(setq ex-flag t)
|
||
(setq cont nil))
|
||
(error "address expected")))
|
||
((string= ex-token-type "end-mark")
|
||
(setq cont nil))
|
||
((string= ex-token-type "whole")
|
||
(error "a trailing address is expected"))
|
||
((string= ex-token-type "comma")
|
||
(error "Extra characters after an address"))
|
||
(t (let ((ans (vip-get-ex-address-subr address (point-marker))))
|
||
(if ans (setq address ans))))))
|
||
address))
|
||
|
||
(defun vip-get-ex-address-subr (old-address dot)
|
||
"returns an address as a point"
|
||
(let ((address nil))
|
||
(if (null old-address) (setq old-address dot))
|
||
(cond ((string= ex-token-type "dot")
|
||
(setq address dot))
|
||
((string= ex-token-type "add-number")
|
||
(save-excursion
|
||
(goto-char old-address)
|
||
(forward-line (if (= old-address 0) (1- ex-token) ex-token))
|
||
(setq address (point-marker))))
|
||
((string= ex-token-type "sub-number")
|
||
(save-excursion
|
||
(goto-char old-address)
|
||
(forward-line (- ex-token))
|
||
(setq address (point-marker))))
|
||
((string= ex-token-type "abs-number")
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(if (= ex-token 0) (setq address 0)
|
||
(forward-line (1- ex-token))
|
||
(setq address (point-marker)))))
|
||
((string= ex-token-type "end")
|
||
(setq address (point-max-marker)))
|
||
((string= ex-token-type "plus") t);; do nothing
|
||
((string= ex-token-type "minus") t);; do nothing
|
||
((string= ex-token-type "search-forward")
|
||
(save-excursion
|
||
(ex-search-address t)
|
||
(setq address (point-marker))))
|
||
((string= ex-token-type "search-backward")
|
||
(save-excursion
|
||
(ex-search-address nil)
|
||
(setq address (point-marker))))
|
||
((string= ex-token-type "goto-mark")
|
||
(save-excursion
|
||
(if (null ex-token)
|
||
(exchange-point-and-mark)
|
||
(goto-char (register-to-point (- ex-token (- ?a ?\C-a)))))
|
||
(setq address (point-marker)))))
|
||
address))
|
||
|
||
(defun ex-search-address (forward)
|
||
"search pattern and set address"
|
||
(if (string= ex-token "")
|
||
(if (null vip-s-string) (error "No previous search string")
|
||
(setq ex-token vip-s-string))
|
||
(setq vip-s-string ex-token))
|
||
(if forward
|
||
(progn
|
||
(forward-line 1)
|
||
(re-search-forward ex-token))
|
||
(forward-line -1)
|
||
(re-search-backward ex-token)))
|
||
|
||
(defun vip-get-ex-buffer ()
|
||
"get a buffer name and set ex-count and ex-flag if found"
|
||
(setq ex-buffer nil)
|
||
(setq ex-count nil)
|
||
(setq ex-flag nil)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(if (looking-at "[a-zA-Z]")
|
||
(progn
|
||
(setq ex-buffer (following-char))
|
||
(forward-char 1)
|
||
(skip-chars-forward " \t")))
|
||
(if (looking-at "[0-9]")
|
||
(progn
|
||
(set-mark (point))
|
||
(re-search-forward "[0-9][0-9]*")
|
||
(setq ex-count (string-to-int (buffer-substring (point) (mark))))
|
||
(skip-chars-forward " \t")))
|
||
(if (looking-at "[pl#]")
|
||
(progn
|
||
(setq ex-flag t)
|
||
(forward-char 1)))
|
||
(if (not (looking-at "[\n|]"))
|
||
(error "Illegal extra characters"))))
|
||
|
||
(defun vip-get-ex-count ()
|
||
(setq ex-variant nil
|
||
ex-count nil
|
||
ex-flag nil)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(if (looking-at "!")
|
||
(progn
|
||
(setq ex-variant t)
|
||
(forward-char 1)))
|
||
(skip-chars-forward " \t")
|
||
(if (looking-at "[0-9]")
|
||
(progn
|
||
(set-mark (point))
|
||
(re-search-forward "[0-9][0-9]*")
|
||
(setq ex-count (string-to-int (buffer-substring (point) (mark))))
|
||
(skip-chars-forward " \t")))
|
||
(if (looking-at "[pl#]")
|
||
(progn
|
||
(setq ex-flag t)
|
||
(forward-char 1)))
|
||
(if (not (looking-at "[\n|]"))
|
||
(error "Illegal extra characters"))))
|
||
|
||
(defun vip-get-ex-file ()
|
||
"get a file name and set ex-variant, ex-append and ex-offset if found"
|
||
(setq ex-file nil
|
||
ex-variant nil
|
||
ex-append nil
|
||
ex-offset nil)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(if (looking-at "!")
|
||
(progn
|
||
(setq ex-variant t)
|
||
(forward-char 1)
|
||
(skip-chars-forward " \t")))
|
||
(if (looking-at ">>")
|
||
(progn
|
||
(setq ex-append t
|
||
ex-variant t)
|
||
(forward-char 2)
|
||
(skip-chars-forward " \t")))
|
||
(if (looking-at "+")
|
||
(progn
|
||
(forward-char 1)
|
||
(set-mark (point))
|
||
(re-search-forward "[ \t\n]")
|
||
(backward-char 1)
|
||
(setq ex-offset (buffer-substring (point) (mark)))
|
||
(forward-char 1)
|
||
(skip-chars-forward " \t")))
|
||
(set-mark (point))
|
||
(re-search-forward "[ \t\n]")
|
||
(backward-char 1)
|
||
(setq ex-file (buffer-substring (point) (mark)))))
|
||
|
||
(defun vip-execute-ex-command ()
|
||
"execute ex command using the value of addresses."
|
||
(cond ((string= ex-token "goto") (ex-goto))
|
||
((string= ex-token "copy") (ex-copy nil))
|
||
((string= ex-token "delete") (ex-delete))
|
||
((string= ex-token "edit") (ex-edit))
|
||
((string= ex-token "file") (vip-info-on-file))
|
||
;((string= ex-token "global") (ex-global nil))
|
||
((string= ex-token "join") (ex-line "join"))
|
||
((string= ex-token "k") (ex-mark))
|
||
((string= ex-token "mark") (ex-mark))
|
||
((string= ex-token "map") (ex-map))
|
||
((string= ex-token "move") (ex-copy t))
|
||
((string= ex-token "put") (ex-put))
|
||
((string= ex-token "quit") (ex-quit))
|
||
((string= ex-token "read") (ex-read))
|
||
((string= ex-token "set") (ex-set))
|
||
((string= ex-token "shell") (ex-shell))
|
||
((string= ex-token "substitute") (ex-substitute))
|
||
((string= ex-token "stop") (suspend-emacs))
|
||
((string= ex-token "t") (ex-copy nil))
|
||
((string= ex-token "tag") (ex-tag))
|
||
((string= ex-token "undo") (vip-undo))
|
||
((string= ex-token "unmap") (ex-unmap))
|
||
;((string= ex-token "v") (ex-global t))
|
||
((string= ex-token "version") (vip-version))
|
||
((string= ex-token "visual") (ex-edit))
|
||
((string= ex-token "write") (ex-write nil))
|
||
((string= ex-token "wq") (ex-write t))
|
||
((string= ex-token "yank") (ex-yank))
|
||
((string= ex-token "!") (ex-command))
|
||
((string= ex-token "=") (ex-line-no))
|
||
((string= ex-token ">") (ex-line "right"))
|
||
((string= ex-token "<") (ex-line "left"))
|
||
((string= ex-token "&") (ex-substitute t))
|
||
((string= ex-token "~") (ex-substitute t t))
|
||
((or (string= ex-token "append")
|
||
(string= ex-token "args")
|
||
(string= ex-token "change")
|
||
(string= ex-token "insert")
|
||
(string= ex-token "open")
|
||
)
|
||
(error "%s: no such command from VIP" ex-token))
|
||
((or (string= ex-token "abbreviate")
|
||
(string= ex-token "list")
|
||
(string= ex-token "next")
|
||
(string= ex-token "print")
|
||
(string= ex-token "preserve")
|
||
(string= ex-token "recover")
|
||
(string= ex-token "rewind")
|
||
(string= ex-token "source")
|
||
(string= ex-token "unabbreviate")
|
||
(string= ex-token "xit")
|
||
(string= ex-token "z")
|
||
)
|
||
(error "%s: not implemented in VIP" ex-token))
|
||
(t (error "%s: Not an editor command" ex-token))))
|
||
|
||
(defun ex-goto ()
|
||
"ex goto command"
|
||
(if (null ex-addresses)
|
||
(setq ex-addresses (cons (point) nil)))
|
||
(push-mark (point))
|
||
(goto-char (car ex-addresses))
|
||
(beginning-of-line))
|
||
|
||
(defun ex-copy (del-flag)
|
||
"ex copy and move command. DEL-FLAG means delete."
|
||
(vip-default-ex-addresses)
|
||
(let ((address (vip-get-ex-address))
|
||
(end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
||
(goto-char end)
|
||
(save-excursion
|
||
(set-mark beg)
|
||
(vip-enlarge-region (mark) (point))
|
||
(if del-flag (kill-region (point) (mark))
|
||
(copy-region-as-kill (point) (mark)))
|
||
(if ex-flag
|
||
(progn
|
||
(with-output-to-temp-buffer "*copy text*"
|
||
(princ
|
||
(if (or del-flag ex-g-flag ex-g-variant)
|
||
(current-kill 0)
|
||
(buffer-substring (point) (mark)))))
|
||
(condition-case nil
|
||
(progn
|
||
(vip-read-string "[Hit return to continue] ")
|
||
(save-excursion (kill-buffer "*copy text*")))
|
||
(quit
|
||
(save-excursion (kill-buffer "*copy text*"))
|
||
(signal 'quit nil))))))
|
||
(if (= address 0)
|
||
(goto-char (point-min))
|
||
(goto-char address)
|
||
(forward-line 1))
|
||
(insert (current-kill 0))))
|
||
|
||
(defun ex-delete ()
|
||
"ex delete"
|
||
(vip-default-ex-addresses)
|
||
(vip-get-ex-buffer)
|
||
(let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
||
(if (> beg end) (error "First address exceeds second"))
|
||
(save-excursion
|
||
(vip-enlarge-region beg end)
|
||
(exchange-point-and-mark)
|
||
(if ex-count
|
||
(progn
|
||
(set-mark (point))
|
||
(forward-line (1- ex-count)))
|
||
(set-mark end))
|
||
(vip-enlarge-region (point) (mark))
|
||
(if ex-flag
|
||
;; show text to be deleted and ask for confirmation
|
||
(progn
|
||
(with-output-to-temp-buffer " *delete text*"
|
||
(princ (buffer-substring (point) (mark))))
|
||
(condition-case conditions
|
||
(vip-read-string "[Hit return to continue] ")
|
||
(quit
|
||
(save-excursion (kill-buffer " *delete text*"))
|
||
(error "")))
|
||
(save-excursion (kill-buffer " *delete text*")))
|
||
(if ex-buffer
|
||
(if (and (<= ?A ex-buffer) (<= ex-buffer ?Z))
|
||
(vip-append-to-register
|
||
(+ ex-buffer 32) (point) (mark))
|
||
(copy-to-register ex-buffer (point) (mark) nil)))
|
||
(delete-region (point) (mark))))))
|
||
|
||
(defun ex-edit ()
|
||
"ex-edit"
|
||
(vip-get-ex-file)
|
||
(if (and (not ex-variant) (buffer-modified-p) buffer-file-name)
|
||
(error "No write since last change \(:e! overrides\)"))
|
||
(vip-change-mode-to-emacs)
|
||
(set-buffer
|
||
(find-file-noselect (concat default-directory ex-file)))
|
||
(vip-change-mode-to-vi)
|
||
(goto-char (point-min))
|
||
(if ex-offset
|
||
(progn
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(delete-region (point-min) (point-max))
|
||
(insert ex-offset "\n")
|
||
(goto-char (point-min)))
|
||
(goto-char (vip-get-ex-address))
|
||
(beginning-of-line))))
|
||
|
||
(defun ex-global (variant)
|
||
"ex global command"
|
||
(if (or ex-g-flag ex-g-variant)
|
||
(error "Global within global not allowed")
|
||
(if variant
|
||
(setq ex-g-flag nil
|
||
ex-g-variant t)
|
||
(setq ex-g-flag t
|
||
ex-g-variant nil)))
|
||
(vip-get-ex-pat)
|
||
(if (null ex-token)
|
||
(error "Missing regular expression for global command"))
|
||
(if (string= ex-token "")
|
||
(if (null vip-s-string) (error "No previous search string")
|
||
(setq ex-g-pat vip-s-string))
|
||
(setq ex-g-pat ex-token
|
||
vip-s-string ex-token))
|
||
(if (null ex-addresses)
|
||
(setq ex-addresses (list (point-max) (point-min))))
|
||
(let ((marks nil) (mark-count 0)
|
||
com-str (end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
||
(if (> beg end) (error "First address exceeds second"))
|
||
(save-excursion
|
||
(vip-enlarge-region beg end)
|
||
(exchange-point-and-mark)
|
||
(let ((cont t) (limit (point-marker)))
|
||
(exchange-point-and-mark)
|
||
;; skip the last line if empty
|
||
(beginning-of-line)
|
||
(if (and (eobp) (not (bobp))) (backward-char 1))
|
||
(while (and cont (not (bobp)) (>= (point) limit))
|
||
(beginning-of-line)
|
||
(set-mark (point))
|
||
(end-of-line)
|
||
(let ((found (re-search-backward ex-g-pat (mark) t)))
|
||
(if (or (and ex-g-flag found)
|
||
(and ex-g-variant (not found)))
|
||
(progn
|
||
(end-of-line)
|
||
(setq mark-count (1+ mark-count))
|
||
(setq marks (cons (point-marker) marks)))))
|
||
(beginning-of-line)
|
||
(if (bobp) (setq cont nil)
|
||
(forward-line -1)
|
||
(end-of-line)))))
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(setq com-str (buffer-substring (1+ (point)) (1- (point-max)))))
|
||
(while marks
|
||
(goto-char (car marks))
|
||
; report progress of execution on a slow machine.
|
||
;(message "Executing global command...")
|
||
;(if (zerop (% mark-count 10))
|
||
;(message "Executing global command...%d" mark-count))
|
||
(vip-ex com-str)
|
||
(setq mark-count (1- mark-count))
|
||
(setq marks (cdr marks)))))
|
||
;(message "Executing global command...done")))
|
||
|
||
(defun ex-line (com)
|
||
"ex line commands. COM is join, shift-right or shift-left."
|
||
(vip-default-ex-addresses)
|
||
(vip-get-ex-count)
|
||
(let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))) point)
|
||
(if (> beg end) (error "First address exceeds second"))
|
||
(save-excursion
|
||
(vip-enlarge-region beg end)
|
||
(exchange-point-and-mark)
|
||
(if ex-count
|
||
(progn
|
||
(set-mark (point))
|
||
(forward-line ex-count)))
|
||
(if ex-flag
|
||
;; show text to be joined and ask for confirmation
|
||
(progn
|
||
(with-output-to-temp-buffer " *text*"
|
||
(princ (buffer-substring (point) (mark))))
|
||
(condition-case conditions
|
||
(progn
|
||
(vip-read-string "[Hit return to continue] ")
|
||
(ex-line-subr com (point) (mark)))
|
||
(quit
|
||
(ding)))
|
||
(save-excursion (kill-buffer " *text*")))
|
||
(ex-line-subr com (point) (mark)))
|
||
(setq point (point)))
|
||
(goto-char (1- point))
|
||
(beginning-of-line)))
|
||
|
||
(defun ex-line-subr (com beg end)
|
||
(cond ((string= com "join")
|
||
(goto-char (min beg end))
|
||
(while (and (not (eobp)) (< (point) (max beg end)))
|
||
(end-of-line)
|
||
(if (and (<= (point) (max beg end)) (not (eobp)))
|
||
(progn
|
||
(forward-line 1)
|
||
(delete-region (point) (1- (point)))
|
||
(if (not ex-variant) (fixup-whitespace))))))
|
||
((or (string= com "right") (string= com "left"))
|
||
(indent-rigidly
|
||
(min beg end) (max beg end)
|
||
(if (string= com "right") vip-shift-width (- vip-shift-width)))
|
||
(goto-char (max beg end))
|
||
(end-of-line)
|
||
(forward-char 1))))
|
||
|
||
(defun ex-mark ()
|
||
"ex mark"
|
||
(let (char)
|
||
(if (null ex-addresses)
|
||
(setq ex-addresses
|
||
(cons (point) nil)))
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(if (looking-at "[a-z]")
|
||
(progn
|
||
(setq char (following-char))
|
||
(forward-char 1)
|
||
(skip-chars-forward " \t")
|
||
(if (not (looking-at "[\n|]"))
|
||
(error "Extra characters at end of \"k\" command")))
|
||
(if (looking-at "[\n|]")
|
||
(error "\"k\" requires a following letter")
|
||
(error "Mark must specify a letter"))))
|
||
(save-excursion
|
||
(goto-char (car ex-addresses))
|
||
(point-to-register (- char (- ?a ?\C-a)) nil))))
|
||
|
||
(defun ex-map ()
|
||
"ex map"
|
||
(let (char string)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(setq char (char-to-string (following-char)))
|
||
(forward-char 1)
|
||
(skip-chars-forward " \t")
|
||
(if (looking-at "[\n|]") (error "Missing rhs"))
|
||
(set-mark (point))
|
||
(end-of-buffer)
|
||
(backward-char 1)
|
||
(setq string (buffer-substring (mark) (point))))
|
||
(if (not (lookup-key ex-map char))
|
||
(define-key ex-map char
|
||
(or (lookup-key vip-mode-map char) 'vip-nil)))
|
||
(define-key vip-mode-map char
|
||
(eval
|
||
(list 'quote
|
||
(cons 'lambda
|
||
(list '(count)
|
||
'(interactive "p")
|
||
(list 'execute-kbd-macro string 'count))))))))
|
||
|
||
(defun ex-unmap ()
|
||
"ex unmap"
|
||
(let (char)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(setq char (char-to-string (following-char)))
|
||
(forward-char 1)
|
||
(skip-chars-forward " \t")
|
||
(if (not (looking-at "[\n|]")) (error "Macro must be a character")))
|
||
(if (not (lookup-key ex-map char))
|
||
(error "That macro wasn't mapped"))
|
||
(define-key vip-mode-map char (lookup-key ex-map char))
|
||
(define-key ex-map char nil)))
|
||
|
||
(defun ex-put ()
|
||
"ex put"
|
||
(let ((point (if (null ex-addresses) (point) (car ex-addresses))))
|
||
(vip-get-ex-buffer)
|
||
(setq vip-use-register ex-buffer)
|
||
(goto-char point)
|
||
(if (= point 0) (vip-Put-back 1) (vip-put-back 1))))
|
||
|
||
(defun ex-quit ()
|
||
"ex quit"
|
||
(let (char)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(setq char (following-char)))
|
||
(if (= char ?!) (kill-emacs t) (save-buffers-kill-emacs))))
|
||
|
||
(defun ex-read ()
|
||
"ex read"
|
||
(let ((point (if (null ex-addresses) (point) (car ex-addresses)))
|
||
(variant nil) command file)
|
||
(goto-char point)
|
||
(if (not (= point 0)) (next-line 1))
|
||
(beginning-of-line)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(if (looking-at "!")
|
||
(progn
|
||
(setq variant t)
|
||
(forward-char 1)
|
||
(skip-chars-forward " \t")
|
||
(set-mark (point))
|
||
(end-of-line)
|
||
(setq command (buffer-substring (mark) (point))))
|
||
(set-mark (point))
|
||
(re-search-forward "[ \t\n]")
|
||
(backward-char 1)
|
||
(setq file (buffer-substring (point) (mark)))))
|
||
(if variant
|
||
(shell-command command t)
|
||
(insert-file file))))
|
||
|
||
(defun ex-set ()
|
||
(eval (list 'setq
|
||
(read-variable "Variable: ")
|
||
(eval (read-minibuffer "Value: ")))))
|
||
|
||
(defun ex-shell ()
|
||
"ex shell"
|
||
(vip-change-mode-to-emacs)
|
||
(shell))
|
||
|
||
(defun ex-substitute (&optional repeat r-flag)
|
||
"ex substitute.
|
||
If REPEAT use previous reg-exp which is ex-reg-exp or
|
||
vip-s-string"
|
||
(let (pat repl (opt-g nil) (opt-c nil) (matched-pos nil))
|
||
(if repeat (setq ex-token nil) (vip-get-ex-pat))
|
||
(if (null ex-token)
|
||
(setq pat (if r-flag vip-s-string ex-reg-exp)
|
||
repl ex-repl)
|
||
(setq pat (if (string= ex-token "") vip-s-string ex-token))
|
||
(setq vip-s-string pat
|
||
ex-reg-exp pat)
|
||
(vip-get-ex-pat)
|
||
(if (null ex-token)
|
||
(setq ex-token ""
|
||
ex-repl "")
|
||
(setq repl ex-token
|
||
ex-repl ex-token)))
|
||
(while (vip-get-ex-opt-gc)
|
||
(if (string= ex-token "g") (setq opt-g t) (setq opt-c t)))
|
||
(vip-get-ex-count)
|
||
(if ex-count
|
||
(save-excursion
|
||
(if ex-addresses (goto-char (car ex-addresses)))
|
||
(set-mark (point))
|
||
(forward-line (1- ex-count))
|
||
(setq ex-addresses (cons (point) (cons (mark) nil))))
|
||
(if (null ex-addresses)
|
||
(setq ex-addresses (cons (point) (cons (point) nil)))
|
||
(if (null (cdr ex-addresses))
|
||
(setq ex-addresses (cons (car ex-addresses) ex-addresses)))))
|
||
;(setq G opt-g)
|
||
(let ((beg (car ex-addresses)) (end (car (cdr ex-addresses)))
|
||
(cont t) eol-mark)
|
||
(save-excursion
|
||
(vip-enlarge-region beg end)
|
||
(let ((limit (save-excursion
|
||
(goto-char (max (point) (mark)))
|
||
(point-marker))))
|
||
(goto-char (min (point) (mark)))
|
||
(while (< (point) limit)
|
||
(end-of-line)
|
||
(setq eol-mark (point-marker))
|
||
(beginning-of-line)
|
||
(if opt-g
|
||
(progn
|
||
(while (and (not (eolp))
|
||
(re-search-forward pat eol-mark t))
|
||
(if (or (not opt-c) (y-or-n-p "Replace? "))
|
||
(progn
|
||
(setq matched-pos (point))
|
||
(replace-match repl))))
|
||
(end-of-line)
|
||
(forward-char))
|
||
(if (and (re-search-forward pat eol-mark t)
|
||
(or (not opt-c) (y-or-n-p "Replace? ")))
|
||
(progn
|
||
(setq matched-pos (point))
|
||
(replace-match repl)))
|
||
(end-of-line)
|
||
(forward-char))))))
|
||
(if matched-pos (goto-char matched-pos))
|
||
(beginning-of-line)
|
||
(if opt-c (message "done"))))
|
||
|
||
(defun ex-tag ()
|
||
"ex tag"
|
||
(let (tag)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(set-mark (point))
|
||
(skip-chars-forward "^ |\t\n")
|
||
(setq tag (buffer-substring (mark) (point))))
|
||
(if (not (string= tag "")) (setq ex-tag tag))
|
||
(vip-change-mode-to-emacs)
|
||
(condition-case conditions
|
||
(progn
|
||
(if (string= tag "")
|
||
(find-tag ex-tag t)
|
||
(find-tag-other-window ex-tag))
|
||
(vip-change-mode-to-vi))
|
||
(error
|
||
(vip-change-mode-to-vi)
|
||
(vip-message-conditions conditions)))))
|
||
|
||
(defun ex-write (q-flag)
|
||
"ex write"
|
||
(vip-default-ex-addresses t)
|
||
(vip-get-ex-file)
|
||
(if (string= ex-file "")
|
||
(progn
|
||
(if (null buffer-file-name)
|
||
(error "No file associated with this buffer"))
|
||
(setq ex-file buffer-file-name))
|
||
(setq ex-file (expand-file-name ex-file)))
|
||
(if (and (not (string= ex-file (buffer-file-name)))
|
||
(file-exists-p ex-file)
|
||
(not ex-variant))
|
||
(error "\"%s\" File exists - use w! to override" ex-file))
|
||
(let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
||
(if (> beg end) (error "First address exceeds second"))
|
||
(save-excursion
|
||
(vip-enlarge-region beg end)
|
||
(write-region (point) (mark) ex-file ex-append t)))
|
||
(if (null buffer-file-name) (setq buffer-file-name ex-file))
|
||
(if q-flag (save-buffers-kill-emacs)))
|
||
|
||
(defun ex-yank ()
|
||
"ex yank"
|
||
(vip-default-ex-addresses)
|
||
(vip-get-ex-buffer)
|
||
(let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
||
(if (> beg end) (error "First address exceeds second"))
|
||
(save-excursion
|
||
(vip-enlarge-region beg end)
|
||
(exchange-point-and-mark)
|
||
(if (or ex-g-flag ex-g-variant) (error "Can't yank within global"))
|
||
(if ex-count
|
||
(progn
|
||
(set-mark (point))
|
||
(forward-line (1- ex-count)))
|
||
(set-mark end))
|
||
(vip-enlarge-region (point) (mark))
|
||
(if ex-flag (error "Extra characters at end of command"))
|
||
(if ex-buffer
|
||
(copy-to-register ex-buffer (point) (mark) nil))
|
||
(copy-region-as-kill (point) (mark)))))
|
||
|
||
(defun ex-command ()
|
||
"execute shell command"
|
||
(let (command)
|
||
(save-window-excursion
|
||
(set-buffer " *ex-working-space*")
|
||
(skip-chars-forward " \t")
|
||
(set-mark (point))
|
||
(end-of-line)
|
||
(setq command (buffer-substring (mark) (point))))
|
||
(if (null ex-addresses)
|
||
(shell-command command)
|
||
(let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
||
(if (null beg) (setq beg end))
|
||
(save-excursion
|
||
(goto-char beg)
|
||
(set-mark end)
|
||
(vip-enlarge-region (point) (mark))
|
||
(shell-command-on-region (point) (mark) command t))
|
||
(goto-char beg)))))
|
||
|
||
(defun ex-line-no ()
|
||
"print line number"
|
||
(message "%d"
|
||
(1+ (count-lines
|
||
(point-min)
|
||
(if (null ex-addresses) (point-max) (car ex-addresses))))))
|
||
|
||
(if (file-exists-p vip-startup-file) (load vip-startup-file))
|
||
|
||
(provide 'vip)
|
||
|
||
;;; vip.el ends here
|