100 lines
2.7 KiB
EmacsLisp
100 lines
2.7 KiB
EmacsLisp
;;; poem-xm.el --- poem module for XEmacs-mule; -*-byte-compile-dynamic: t;-*-
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;; Copyright (C) 1998,1999,2002,2003,2005 Free Software Foundation, Inc.
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;; Author: MORIOKA Tomohiko <tomo@m17n.org>
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;; Keywords: emulation, compatibility, Mule
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;; This file is part of APEL (A Portable Emacs Library).
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation; either version 2, or (at
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;; your option) any later version.
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;; This program is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; 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., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Code:
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(eval-when-compile
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(require 'poe))
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;;; @ buffer representation
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;;;
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(defsubst-maybe set-buffer-multibyte (flag)
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"Set the multibyte flag of the current buffer to FLAG.
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If FLAG is t, this makes the buffer a multibyte buffer.
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If FLAG is nil, this makes the buffer a single-byte buffer.
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The buffer contents remain unchanged as a sequence of bytes
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but the contents viewed as characters do change.
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\[Emacs 20.3 emulating function]"
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flag)
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;;; @ character
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;;;
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;; avoid bug of XEmacs
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(or (integerp (car (cdr (split-char ?a))))
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(defun split-char (char)
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"Return list of charset and one or two position-codes of CHAR."
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(let ((charset (char-charset char)))
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(if (eq charset 'ascii)
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(list charset (char-int char))
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(let ((i 0)
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(len (charset-dimension charset))
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(code (if (integerp char)
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char
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(char-int char)))
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dest)
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(while (< i len)
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(setq dest (cons (logand code 127) dest)
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code (lsh code -7)
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i (1+ i)))
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(cons charset dest)))))
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)
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(defmacro char-next-index (char index)
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"Return index of character succeeding CHAR whose index is INDEX."
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`(1+ ,index))
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(if (not (fboundp 'char-length))
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(defalias 'char-length
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(lambda (char)
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"Return number of bytes a CHARACTER occupies in a string or buffer.
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It always returns 1 in XEmacs. It is for compatibility with MULE 2.3."
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1)))
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(defalias-maybe 'char-valid-p 'characterp)
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;;; @ string
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;;;
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(defun-maybe string-to-int-list (str)
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(mapcar #'char-int str))
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(defun-maybe string-to-char-list (str)
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(mapcar #'identity str))
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(defalias 'looking-at-as-unibyte 'looking-at)
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;;; @ end
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;;;
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(require 'product)
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(product-provide (provide 'poem-xm) (require 'apel-ver))
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;;; poem-xm.el ends here
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