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(ctext-pre-write-conversion): Handle the

case when FROM is a string, and when we are called from
build_annotations_2.
This commit is contained in:
Eli Zaretskii 2002-02-26 16:27:47 +00:00
parent 4a81d892ea
commit 5dde3c716f

View File

@ -1392,9 +1392,23 @@ encode each character in this charset. NOCTETS can be 0 (meaning the number
of octets per character is variable), 1, 2, 3, or 4.")
(defun ctext-pre-write-conversion (from to)
"Encode characters between FROM and TO as Compound Text w/Extended Segments."
(buffer-disable-undo) ; minimize consing due to insertions and deletions
(narrow-to-region from to)
"Encode characters between FROM and TO as Compound Text w/Extended Segments.
If FROM is a string, or if the current buffer is not the one set up for us
by run_pre_post_conversion_on_str, generate a new temp buffer, insert the
text, and convert it in the temporary buffer. Otherwise, convert in-place."
(cond ((and (string= (buffer-name) " *code-converting-work*")
(not (stringp from)))
; Minimize consing due to subsequent insertions and deletions.
(buffer-disable-undo)
(narrow-to-region from to))
(t
(let ((buf (current-buffer)))
(set-buffer (generate-new-buffer " *temp"))
(buffer-disable-undo)
(if (stringp from)
(insert from)
(insert-buffer-substring buf from to)))))
(encode-coding-region from to 'ctext-no-compositions)
;; Replace ISO-2022 charset designations with extended segments, for
;; those charsets that are not part of the official X registry.
@ -1404,6 +1418,8 @@ of octets per character is variable), 1, 2, 3, or 4.")
(case-fold-search nil)
pt desig encode-info encoding chset noctets textlen)
(set-buffer-multibyte nil)
;; The regexp below finds the leading sequences for big5 and
;; iso8859-1[03-6] charsets.
(while (re-search-forward "\e\\(\$([01]\\|-[VY_bf]\\)" nil 'move)
(setq desig (match-string 1)
pt (point-marker)
@ -1416,6 +1432,7 @@ of octets per character is variable), 1, 2, 3, or 4.")
(cond
((eq encoding t) ; only the leading sequence needs to be changed
(setq textlen (+ (- newpt pt) (length chset) 1))
;; Generate the ICCCM control sequence for an extended segment.
(replace-match (format "\e%%/%d%c%c%s"
noctets
(+ (/ textlen 128) 128)
@ -1437,6 +1454,7 @@ of octets per character is variable), 1, 2, 3, or 4.")
chset))))
(goto-char newpt))))
(set-buffer-multibyte t)
;; Must return nil, as build_annotations_2 expects that.
nil)
;;; FILE I/O