1 | ;;; poem-e20_2.el --- poem implementation for Emacs 20.1 and 20.2 |
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2 | |
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3 | ;; Copyright (C) 1996,1997,1998,1999 Free Software Foundation, Inc. |
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4 | |
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5 | ;; Author: MORIOKA Tomohiko <tomo@m17n.org> |
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6 | ;; Keywords: emulation, compatibility, Mule |
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7 | |
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8 | ;; This file is part of APEL (A Portable Emacs Library). |
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9 | |
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10 | ;; This program is free software; you can redistribute it and/or |
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11 | ;; modify it under the terms of the GNU General Public License as |
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12 | ;; published by the Free Software Foundation; either version 2, or (at |
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13 | ;; your option) any later version. |
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14 | |
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15 | ;; This program is distributed in the hope that it will be useful, but |
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16 | ;; WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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18 | ;; General Public License for more details. |
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19 | |
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20 | ;; You should have received a copy of the GNU General Public License |
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21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
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22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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23 | ;; Boston, MA 02111-1307, USA. |
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24 | |
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25 | ;;; Commentary: |
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26 | |
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27 | ;; This module requires Emacs 20.1 and 20.2. |
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28 | |
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29 | ;;; Code: |
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30 | |
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31 | ;;; @ buffer representation |
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32 | ;;; |
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33 | |
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34 | (defun-maybe set-buffer-multibyte (flag) |
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35 | "Set the multibyte flag of the current buffer to FLAG. |
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36 | If FLAG is t, this makes the buffer a multibyte buffer. |
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37 | If FLAG is nil, this makes the buffer a single-byte buffer. |
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38 | The buffer contents remain unchanged as a sequence of bytes |
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39 | but the contents viewed as characters do change. |
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40 | \[Emacs 20.3 emulating function]" |
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41 | (setq enable-multibyte-characters flag) |
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42 | ) |
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43 | |
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44 | |
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45 | ;;; @ character |
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46 | ;;; |
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47 | |
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48 | (defalias 'char-length 'char-bytes) |
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49 | |
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50 | (defmacro char-next-index (char index) |
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51 | "Return index of character succeeding CHAR whose index is INDEX." |
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52 | `(+ ,index (char-bytes ,char))) |
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53 | |
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54 | |
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55 | ;;; @ string |
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56 | ;;; |
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57 | |
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58 | (defalias 'sset 'store-substring) |
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59 | |
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60 | (defun string-to-char-list (string) |
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61 | "Return a list of which elements are characters in the STRING." |
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62 | (let* ((len (length string)) |
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63 | (i 0) |
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64 | l chr) |
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65 | (while (< i len) |
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66 | (setq chr (sref string i)) |
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67 | (setq l (cons chr l)) |
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68 | (setq i (+ i (char-bytes chr))) |
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69 | ) |
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70 | (nreverse l))) |
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71 | |
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72 | (defalias 'string-to-int-list 'string-to-char-list) |
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73 | |
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74 | (defun looking-at-as-unibyte (regexp) |
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75 | "Like `looking-at', but string is regarded as unibyte sequence." |
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76 | (let (enable-multibyte-characters) |
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77 | (looking-at regexp))) |
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78 | |
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79 | ;;; @@ obsoleted aliases |
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80 | ;;; |
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81 | ;;; You should not use them. |
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82 | |
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83 | (defalias 'string-columns 'string-width) |
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84 | (make-obsolete 'string-columns 'string-width) |
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85 | |
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86 | |
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87 | ;;; @ end |
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88 | ;;; |
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89 | |
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90 | (require 'product) |
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91 | (product-provide (provide 'poem-e20_2) (require 'apel-ver)) |
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92 | |
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93 | ;;; poem-e20_2.el ends here |
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