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;;; mew-syntax.el --- Internal syntax for Mew
;; Author: Kazu Yamamoto <Kazu@Mew.org>
;; Created: Oct 2, 1996
;; Revised: Aug 24, 1998
;;; Code:
(defconst mew-syntax-version "mew-syntax.el version 0.17")
(require 'mew)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; mew-encode-syntax
;;
;; <esgl> = [ 'single file (dcr) (<epri>) (CT:) CTE: CD: nil (CDP:) ]
;; <emul> = [ 'multi dir/ (dcr) (<epri>) ("mul") CTE: CD: nil (CDP:) 1*<eprt> ]
;; <eprt> = <esgl> | <emul>
;; <epri> = list of (mew-ct-mls mew-ct-pgs)
;;
;; mew-decode-syntax
;;
;; <dmsg> = [ 'message hbeg hend (<dpri>) ("msg") CTE: CD: CID: (CDP:) <dbdy> ]
;; <dsgl> = [ 'single beg end (<dpri>) (CT:) CTE: CD: CID: (CDP:) ]
;; <dmul> = [ 'multi beg end (<dpri>) ("mul") CTE: CD: CID: (CDP:) 1*<dprt> ]
;; <dbdy> = <dmul> | Text/Plain <dsgl>
;; <dprt> = <dmsg> | <dsgl> | <dmul>
;; <dpri> = list of (mew-ct-mls mew-ct-pgs RESULT) in reverse order ;; for cons
;;
;;
;;
(defmacro mew-syntax-singlepart-p (syntax)
(` (eq (aref (, syntax) 0) 'single)))
(defmacro mew-syntax-multipart-p (syntax)
(` (eq (aref (, syntax) 0) 'multi)))
(defmacro mew-syntax-message-p (syntax)
(` (eq (aref (, syntax) 0) 'message)))
;;
;;
;;
(defmacro mew-syntax-get-key (syntax)
(` (aref (, syntax) 0)))
(defmacro mew-syntax-set-key (syntax key)
(` (aset (, syntax) 0 (, key))))
(defmacro mew-syntax-get-begin (syntax)
(` (aref (, syntax) 1)))
(defmacro mew-syntax-set-begin (syntax begin)
(` (aset (, syntax) 1 (, begin))))
(defmacro mew-syntax-get-end (syntax)
(` (aref (, syntax) 2)))
(defmacro mew-syntax-set-end (syntax end)
(` (aset (, syntax) 2 (, end))))
(defmacro mew-syntax-get-privacy (syntax)
(` (aref (, syntax) 3)))
(defmacro mew-syntax-set-privacy (syntax privacy)
(` (aset (, syntax) 3 (, privacy))))
(defmacro mew-syntax-get-ct (syntax)
(` (aref (, syntax) 4)))
(defmacro mew-syntax-set-ct (syntax ct)
(` (aset (, syntax) 4 (, ct))))
(defmacro mew-syntax-get-cte (syntax)
(` (aref (, syntax) 5)))
(defmacro mew-syntax-set-cte (syntax cte)
(` (aset (, syntax) 5 (, cte))))
(defmacro mew-syntax-get-cd (syntax)
(` (aref (, syntax) 6)))
(defmacro mew-syntax-set-cd (syntax cd)
(` (aset (, syntax) 6 (, cd))))
(defmacro mew-syntax-get-cid (syntax)
(` (aref (, syntax) 7)))
(defmacro mew-syntax-set-cid (syntax cid)
(` (aset (, syntax) 7 (, cid))))
(defmacro mew-syntax-get-cdp (syntax)
(` (aref (, syntax) 8)))
(defmacro mew-syntax-set-cdp (syntax cdp)
(` (aset (, syntax) 8 (, cdp))))
(defmacro mew-syntax-get-part (syntax)
(` (aref (, syntax) 9)))
(defmacro mew-syntax-set-part (syntax part)
(` (aset (, syntax) 9 (, part))))
;; alias for draft syntax
(defmacro mew-syntax-get-file (syntax)
(` (aref (, syntax) 1)))
(defmacro mew-syntax-set-file (syntax file)
(` (aset (, syntax) 1 (, file))))
(defmacro mew-syntax-get-decrypters (syntax)
(` (aref (, syntax) 2)))
(defmacro mew-syntax-set-decrypters (syntax decrypters)
(` (aset (, syntax) 2 (, decrypters))))
;; for content parameters
(defun mew-syntax-get-member (ctl member)
(let ((case-fold-search t)
(regex (concat "^" member "=\"?\\([^\"]*\\)\"?$"))
ret)
(catch 'loop
(while ctl
(if (string-match regex (car ctl))
(throw 'loop (setq ret (mew-match 1 (car ctl))))
(setq ctl (cdr ctl)))))
(mew-header-sanity-check-string ret)))
;; need to setq
(defmacro mew-syntax-cat (syntax part)
(` (vconcat (, syntax) (vector (, part)))))
(defun mew-syntax-cdp-format (file)
(if file (list "attachment" (concat "filename=" file))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Entry functions
;;
(defun mew-syntax-get-entry-strnum (syntax strnum)
(if (null strnum)
(mew-syntax-get-part syntax) ;; for old spec
(mew-syntax-get-entry syntax
(mapcar (function string-to-int)
(mew-split strnum ?.)))))
(defun mew-syntax-get-entry (syntax nums)
(cond
((null nums) syntax) ;; single & message match
((mew-syntax-message-p syntax)
(mew-syntax-get-entry (mew-syntax-get-part syntax) nums))
((mew-syntax-multipart-p syntax)
(if (null nums) syntax
(mew-syntax-get-entry
(aref syntax (+ mew-syntax-magic (1- (car nums)))) (cdr nums))))
))
(defun mew-syntax-insert-entry (syntax nums entry)
(let* ((root syntax)
(child entry)
grand parent
(nl (length nums))
(rev (reverse nums))
(n0 (nth 0 rev))
(n1 (nth 1 rev))
(ns (reverse (nthcdr 2 rev))))
(cond
((= nl 1)
(setq parent root)
(mew-syntax-add-entry parent n0 child))
(t
(if (= nl 2)
(setq grand root)
(setq grand (mew-syntax-get-entry root ns)))
(setq parent (mew-syntax-get-entry grand (list n1)))
(setq parent (mew-syntax-add-entry parent n0 child))
(aset grand (+ mew-syntax-magic (1- n1)) parent)
root
)
)
))
(defun mew-syntax-add-entry (syntax n entry)
"Must not use in functions other than mew-syntax-insert-entry"
(let* ((len (1+ (length syntax)))
(vec (make-vector len nil))
(cnt 0) (thr (+ mew-syntax-magic (1- n))))
(while (< cnt thr)
(aset vec cnt (aref syntax cnt))
(setq cnt (1+ cnt)))
(aset vec cnt entry)
(setq cnt (1+ cnt))
(while (< cnt len)
(aset vec cnt (aref syntax (1- cnt)))
(setq cnt (1+ cnt)))
vec ;; return value
))
(defun mew-syntax-remove-entry (syntax nums)
(let* ((root syntax)
grand parent
(nl (length nums))
(rev (reverse nums))
(n0 (nth 0 rev))
(n1 (nth 1 rev))
(ns (reverse (nthcdr 2 rev))))
(cond
((= nl 1)
(setq parent root)
(mew-syntax-cut-entry parent n0))
(t
(if (= nl 2)
(setq grand root)
(setq grand (mew-syntax-get-entry root ns)))
(setq parent (mew-syntax-get-entry grand (list n1)))
(setq parent (mew-syntax-cut-entry parent n0))
(aset grand (+ mew-syntax-magic (1- n1)) parent)
root
)
)
))
(defun mew-syntax-cut-entry (syntax n)
"Must not use in functions other than mew-syntax-remove-entry"
(let* ((len (1- (length syntax)))
(vec (make-vector len nil))
(cnt 0) (thr (+ mew-syntax-magic (1- n))))
(while (< cnt thr)
(aset vec cnt (aref syntax cnt))
(setq cnt (1+ cnt)))
(while (< cnt len)
(aset vec cnt (aref syntax (1+ cnt)))
(setq cnt (1+ cnt)))
vec ;; return value
))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; mew-encode-syntax
;;
(defvar mew-syntax-number-text-regex "^.....\\([.0-9]+\\) +")
(defvar mew-syntax-number-icon-regex "<\\([0-9.]+\\)>")
(defun mew-summary-goto-part (msg part)
(goto-char (point-min))
(cond
((equal major-mode 'mew-virtual-mode)
(if (re-search-forward (format "\r.*%s" msg) nil t)
(re-search-forward (format "^.....%s" part) nil t)))
((equal major-mode 'mew-summary-mode)
(if (re-search-forward (format "^ *%s" msg) nil t)
(re-search-forward (format "^.....%s" part) nil t)))
)
(beginning-of-line)
)
(defun mew-summary-goto-message ()
(if (mew-in-decode-syntax-p)
(progn
(goto-char (mew-decode-syntax-begin))
(forward-line -1))))
(defun mew-syntax-number ()
(let ((event last-command-event)
ret str)
(if (and mew-icon-p
(mouse-event-p event)
(event-over-toolbar-p event)
(or (button-press-event-p event)
(button-release-event-p event)))
(progn
(setq str (toolbar-button-help-string (event-toolbar-button event)))
;; last-pressed-toolbar-button can't be used.
(if (string-match mew-syntax-number-icon-regex str)
(setq ret (mew-match 1 str)))))
(or ret
(if (or (mew-in-attach-p)
(mew-in-decode-syntax-p))
(save-excursion
(beginning-of-line)
(if (looking-at mew-syntax-number-text-regex)
(mew-match 1)))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; get number
;;;
(defun mew-summary-message-number ()
(let ((event last-command-event)
ret str)
(if (and mew-icon-p
;; exclude press button 2 in summary buffer.
;; exclude pulldown menu in Summary mode.
;; exclude popup menu of multipart icon because
;; the cursor has already moved.
(mouse-event-p event)
(event-over-toolbar-p event)
(or (button-press-event-p event) ;; right button
(button-release-event-p event))) ;; left button
(if last-pressed-toolbar-button
(progn
(setq str (toolbar-button-help-string
last-pressed-toolbar-button))
(if (string-match "^\\([0-9]+\\) " str)
(setq ret (mew-match 1 str)))
)))
(if ret
ret
(if (not (mew-in-decode-syntax-p))
(save-excursion
(beginning-of-line)
(cond
((equal major-mode 'mew-summary-mode)
(if (looking-at mew-summary-message-regex)
(mew-match 1)
nil)
)
((equal major-mode 'mew-virtual-mode)
(if (looking-at ".*\r \\(\\+.*\\) \\(.*\\)$")
(mew-match 2)
nil))
(t nil))))
)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; mew-encode-syntax
;;
(defun mew-encode-syntax-single (file &optional ctl cte cd cid cdp
privacy decrypters)
;; cid is just for beauty
;; if cdp is *non-nil*, set cdp from file.
(let* ((attr (mew-attr-by-file file))
(ct (mew-attr-get-ct attr)))
(or cte (setq cte (mew-attr-get-cte attr)))
(if (null ctl) (setq ctl (list ct)))
(if (and cdp
(not (mew-member-match ct mew-mime-content-type-ignore-cdp t)))
(setq cdp file)
(setq cdp nil))
(setq cdp (mew-syntax-cdp-format cdp))
(vconcat [single] (list file decrypters privacy ctl cte cd cid cdp))
))
(defun mew-encode-syntax-multi (dir ct)
(if (not (string-match (concat mew-path-separator "$") dir))
(setq dir (file-name-as-directory dir)))
(vconcat [multi] (list dir) [nil nil] (list ct) [nil nil nil nil])
)
(defun mew-encode-syntax-initial (dir)
(vconcat
(mew-encode-syntax-multi dir mew-type-mlm)
(list (mew-encode-syntax-single mew-draft-coverpage (list mew-ct-txt))))
;; ensure to guess charset ....
)
(defun mew-encode-syntax-initial-multi (dir n)
(let ((i 1) (ret))
(while (<= i n)
(setq ret (vconcat ret (list (mew-encode-syntax-single
(int-to-string i)))))
(setq i (1+ i)))
(vconcat (mew-encode-syntax-multi dir mew-type-mlm)
(list (mew-encode-syntax-single mew-draft-coverpage
(list mew-ct-txt)))
ret)
))
(defconst mew-encode-syntax-dot
[nil "." nil nil ("") nil nil nil nil])
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; mew-decode-syntax
;;
(defun mew-decode-syntax-rfc822 (&optional msg-head)
;; msg-head may include CD:
(if (null msg-head) (setq msg-head (mew-decode-syntax-rfc822-head t)))
(vconcat msg-head (vector (mew-decode-syntax-text))))
(defun mew-decode-syntax-rfc822-head (&optional reg-hend)
(vector 'message (point-min)
(and reg-hend
(save-excursion (forward-line -1) (beginning-of-line) (point)))
nil mew-type-msg nil nil nil nil))
(defun mew-decode-syntax-text ()
(vector 'single (point) (point-max) nil mew-type-txt nil nil nil nil))
(defconst mew-encode-syntax-multi-head
(vector 'multi nil nil nil mew-type-mlm nil nil nil nil))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; syntax printer
;;
(defun mew-encode-syntax-print (syntax)
(interactive)
(let ((end nil)
(nums (mew-attach-nums))
(inhibit-read-only t))
(cond
((mew-attach-p)
(goto-char (point-max))
(re-search-backward (concat "^" mew-draft-attach-boundary-end "$"))
(setq end (point))
(re-search-backward (concat "^" mew-draft-attach-boundary-begin "$"))
(forward-line)
(delete-region (point) end)
(save-excursion
(mew-syntax-print syntax
;; message number
(substring (mew-syntax-get-file syntax) 0 -1)
nil 'mew-draft-button
(if mew-icon-p mew-draft-toolbar)))
(mew-attach-goto-number 'here nums)))))
(defun mew-decode-syntax-print (msg syntax buf)
(let ((cbuf (current-buffer)))
(set-buffer buf)
(forward-line)
(let* ((buffer-read-only nil)
(multi (mew-syntax-get-part syntax))
(pos (point)))
(mew-decode-syntax-begin-set)
(mew-syntax-print multi msg 'decoding 'mew-summary-button
(if mew-icon-p mew-summary-toolbar))
(if (equal pos (point))
;; Nothing was printed.
(mew-decode-syntax-clear)
(mew-decode-syntax-end-set)
(put-text-property (mew-decode-syntax-begin) (mew-decode-syntax-end)
'face 'default)))
(mew-summary-goto-message)
(set-buffer-modified-p nil)
(set-buffer cbuf)))
;; The entire body is multipart/* or text/plain in Mew decode syntax.
;; This part number is 'nil' which is refered as "body". So, either
;; multipart/* or text/plain can be labeled as "body". Other CT:
;; under message are encapsulated in multipart/mixed. They are refered by
;; part number.
(defun mew-syntax-print (syntax msg dec func bar)
(mew-syntax-clear-icon-spec)
(if dec (mew-decode-syntax-clear-privacy))
(mew-syntax-multipart msg syntax dec nil func 'body) ;; body is nil
(if mew-icon-p
(let ((toolbar))
(cond
((eq mew-multipart-icon-position 'left)
(setq toolbar (append (mew-syntax-get-icon-spec)
mew-icon-separate-spec
bar)))
((eq mew-multipart-icon-position 'right)
(setq toolbar (append bar
mew-icon-separate-spec
(mew-syntax-get-icon-spec))))
(t (setq toolbar bar))
)
(set-specifier default-toolbar (cons (current-buffer) toolbar)))))
(defun mew-syntax-multipart (msg syntax dec part func body)
(let* ((ct (car (mew-syntax-get-ct syntax)))
(cd (or (mew-syntax-get-cd syntax) ""))
(cnt mew-syntax-magic)
(num 1)
(len (length syntax))
strpart subsyntax)
;; multipart itself is displayed only when encoding.
(if dec
(mew-decode-syntax-set-privacy
syntax
(concat (if part (concat part " "))
(if body "body ")
"multi"))
(mew-syntax-format syntax part dec)
(mew-syntax-set-icon-spec msg part
ct cd
(mew-attr-get-icon (mew-attr-by-ct ct)) func))
(while (< cnt len)
(if part
(setq strpart (concat part "." (int-to-string num)))
(setq strpart (int-to-string num)))
(setq subsyntax (aref syntax cnt))
(cond
((mew-syntax-multipart-p subsyntax)
(mew-syntax-multipart msg subsyntax dec strpart func nil))
((mew-syntax-message-p subsyntax)
(mew-syntax-message msg subsyntax dec strpart func))
((mew-syntax-singlepart-p subsyntax)
(mew-syntax-singlepart msg subsyntax dec strpart func
(and body (equal cnt mew-syntax-magic))))
)
(setq cnt (1+ cnt))
(setq num (1+ num)))
(if dec
()
(if part
(setq part (concat part "." (int-to-string num)))
(setq part (int-to-string num)))
(mew-syntax-format mew-encode-syntax-dot part dec)
(mew-syntax-set-icon-spec msg part "Attach Here" cd mew-icon-blank func))
))
(defun mew-syntax-singlepart (msg syntax dec part func first)
;; part is valid only when called by mew-syntax-multipart.
(let ((ct (capitalize (car (mew-syntax-get-ct syntax))))
(cd (or (mew-syntax-get-cd syntax) ""))
(cdpl (mew-syntax-get-cdp syntax)))
;; see also mew-mime-message/rfc822.
(if (and dec
;; the first singlepart in multipart under message if t
;; the first singlepart under message if 'body
first
;; CT: is text/plain but not attached file.
(mew-case-equal ct mew-ct-txt)
(or (null cdpl) (null (mew-syntax-get-member cdpl "filename"))))
() ;; skip displaying.
;; reach here only when called by mew-syntax-multipart.
(mew-syntax-format syntax part dec)
(mew-syntax-set-icon-spec msg part ct cd
(mew-attr-get-icon (mew-attr-by-ct ct)) func))
(if dec (mew-decode-syntax-set-privacy
syntax
(if (equal first 'body)
(if part (concat part " body") "body")
part)))))
(defun mew-syntax-message (msg syntax dec part func)
(let ((ct (capitalize (car (mew-syntax-get-ct syntax))))
(cd (or (mew-syntax-get-cd syntax) ""))
(subsyntax (mew-syntax-get-part syntax)))
(mew-syntax-format syntax part dec)
(if dec (mew-decode-syntax-set-privacy
syntax
(format "%s message" part)))
(mew-syntax-set-icon-spec msg part ct cd
(mew-attr-get-icon (mew-attr-by-ct ct)) func)
(cond
((mew-syntax-multipart-p subsyntax)
(mew-syntax-multipart msg subsyntax dec part func 'body))
((mew-syntax-message-p subsyntax)
) ;; never happens
((mew-syntax-singlepart-p subsyntax)
;; text/plain only
(mew-syntax-singlepart msg subsyntax dec part func 'body)))))
;012345678901234567890123456789012345678901234567890123456789012345678901234567
;<4>snss<27-2 >ss<24+2 >ss<16 >
(defun mew-syntax-format (syntax number dec)
(let* ((file (if (not dec) (mew-syntax-get-file syntax)))
(ctl (mew-syntax-get-ct syntax))
(ct (capitalize (car ctl)))
(char (mew-syntax-get-member ctl "charset"))
(cte (mew-syntax-get-cte syntax)) ;; cte may be nil
(cd (mew-syntax-get-cd syntax))
(cdpl (mew-syntax-get-cdp syntax))
(filename (mew-syntax-get-member cdpl "filename"))
(decrypters-list (mew-syntax-get-decrypters syntax))
(decrypters (and (not dec) decrypters-list
(mew-join "," decrypters-list)))
(cd-or-dec cd)
(privacy (mew-syntax-get-privacy syntax))
(space " ") (SP 32)
(cnt "..") (lcnt (length cnt))
(LT (- (window-width) 2))
(ln (length number))
(lm 4)
(lt 27) (ltc (- lt lcnt))
(ld (* (/ (- LT lm lt) 5) 3)) (ldc (- ld lcnt))
(lf (- LT lm ln lt ld 8)) (lfc (- lf lcnt))
(AR "*") (lfc* (1- lfc)) (asterisk nil)
(case-fold-search t)
(marks (make-string lm SP))
(i 0) (N (length privacy))
ctm ctp)
(if (mew-case-equal mew-ct-txt ct)
(if char
(setq ct (concat ct "(" char ")"))
(if dec
(setq ct (concat ct "(us-ascii)"))
(setq ct (concat ct "(guess)")))))
(if (null privacy)
(if (null cte)
()
(setq cte (downcase cte))
(cond
((or (equal cte mew-7bit)
(equal cte mew-8bit)
(equal cte mew-bin))
;; no mark
)
((equal cte mew-b64) (aset marks 0 ?B))
((equal cte mew-qp) (aset marks 0 ?Q))
((equal cte mew-xg) (aset marks 0 ?G))
(t (aset marks 0 ?X))
))
(if dec (setq privacy (reverse privacy)))
(while (< i N)
(setq ctm (nth 0 (nth i privacy)))
(setq ctp (nth 1 (nth i privacy)))
(cond
((string-match "pgp" ctp) (aset marks (* i 2) ?P))
((string-match "moss" ctp) (aset marks (* i 2) ?M))
)
(cond
((string-match mew-ct-mle ctm) (aset marks (1+ (* i 2)) ?E))
((string-match mew-ct-mls ctm) (aset marks (1+ (* i 2)) ?S))
)
(setq i (1+ i))
))
(if (< lm (length marks))
(setq marks (substring marks 0 lm))
(setq marks (concat marks (make-string (- lm (length marks)) SP))))
(if (< lt (length ct))
(setq ct (concat (substring ct 0 ltc) cnt))
(setq ct (concat ct (make-string (- lt (length ct)) SP))))
(if (and (not dec) decrypters) (setq cd-or-dec decrypters))
(if (null cd-or-dec)
(setq cd-or-dec (make-string ld SP))
(if (< ld (mew-string-width cd-or-dec))
(setq cd-or-dec (concat (mew-substring cd-or-dec ldc) cnt))
(setq cd-or-dec
(concat cd-or-dec
(make-string (- ld (mew-string-width cd-or-dec)) SP)))))
(cond
(filename
(setq file filename))
((and file (not (equal file ".")) (not (string-match "/$" file)))
(setq asterisk t)
(setq file (concat file AR)))
)
(if file
(if (< lf (mew-string-width file))
(if asterisk
(setq file (concat (mew-substring file lfc*) AR cnt))
(setq file (concat (mew-substring file lfc) cnt)))))
(let ((inhibit-read-only t))
(insert-and-inherit ;; inherit keymap in attachments.
(concat
marks
(if number (concat space number))
space space
ct
space space
cd-or-dec
space space
file
"\n")))))
(defun mew-decode-syntax-delete ()
(if (mew-decode-syntax-p)
(let ((cbuf (current-buffer))
(pos (make-marker)))
(set-buffer (mew-decode-syntax-buffer))
(mew-syntax-clear-icon-spec)
(mew-summary-toolbar-update)
(set-marker pos (point))
(let ((buffer-read-only nil))
(delete-region (mew-decode-syntax-begin) (mew-decode-syntax-end)))
(mew-decode-syntax-clear)
(goto-char (marker-position pos))
(mew-highlight-cursor-line)
(set-buffer-modified-p nil)
(set-buffer cbuf))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; icon spec
;;
(defvar mew-syntax-icon-spec nil)
(defun mew-syntax-set-icon-spec (msg part ct cd icon func)
(if mew-icon-p
(setq mew-syntax-icon-spec
(cons
(vector icon func t
(format "%s <%s> (%s) %s" msg (or part "top") ct cd))
mew-syntax-icon-spec))))
(defun mew-syntax-clear-icon-spec ()
(setq mew-syntax-icon-spec nil))
(defun mew-syntax-get-icon-spec ()
(nreverse mew-syntax-icon-spec))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; decode privacy
;;
(defvar mew-decode-syntax-privacy-result nil)
(defun mew-decode-syntax-set-privacy (syntax label)
(let ((privacy (mew-syntax-get-privacy syntax))
results)
(while privacy
(setq results (concat results (nth 2 (car privacy))))
(setq privacy (cdr privacy)))
(if results
(setq mew-decode-syntax-privacy-result
(concat mew-decode-syntax-privacy-result
mew-x-mew:
(format " <%s> " label)
results
"\n")))))
(defun mew-decode-syntax-clear-privacy ()
(setq mew-decode-syntax-privacy-result nil))
(defun mew-decode-syntax-insert-privacy ()
(if mew-decode-syntax-privacy-result
(insert mew-decode-syntax-privacy-result)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; markers
;;
(defvar mew-marker-decode-syntax-begin (make-marker))
(defvar mew-marker-decode-syntax-end (make-marker))
(defvar mew-marker-header-end nil)
(defvar mew-marker-attach-begin nil)
(defvar mew-overlay-header-keymap nil)
(defvar mew-overlay-attach-keymap nil)
(mapcar
(function make-variable-buffer-local)
'(mew-marker-header-end
mew-marker-attach-begin
mew-overlay-header-keymap
mew-overlay-attach-keymap))
;; location
(defmacro mew-in-decode-syntax-p ()
(` (and (marker-position mew-marker-decode-syntax-begin)
(marker-position mew-marker-decode-syntax-end)
(>= (point) (marker-position mew-marker-decode-syntax-begin))
(< (point) (marker-position mew-marker-decode-syntax-end)))))
(defmacro mew-in-header-p ()
(` (let ((end (mew-header-end)))
(and end (<= (point) end)))))
(defmacro mew-in-attach-p ()
(` (let ((beg (mew-attach-begin)))
(and beg (>= (point) beg)))))
;; existence
(defmacro mew-decode-syntax-p ()
(` (and (marker-position mew-marker-decode-syntax-begin)
(marker-position mew-marker-decode-syntax-end))))
(defmacro mew-header-p ()
(` (and (markerp mew-marker-header-end)
(marker-position mew-marker-header-end))))
(defmacro mew-attach-p ()
(` (and (markerp mew-marker-attach-begin)
(marker-position mew-marker-attach-begin))))
(defmacro mew-attach-valid-p ()
(` (> (length mew-encode-syntax) (1+ mew-syntax-magic))))
;; point
(defmacro mew-decode-syntax-begin ()
(` (marker-position mew-marker-decode-syntax-begin)))
(defmacro mew-decode-syntax-end ()
(` (marker-position mew-marker-decode-syntax-end)))
(defmacro mew-header-end ()
(` (save-excursion
(if (not (markerp mew-marker-header-end))
(setq mew-marker-header-end (make-marker)))
(if (marker-position mew-marker-header-end)
(marker-position mew-marker-header-end)
(goto-char (point-min))
(if (re-search-forward mew-eoh nil t)
(progn
(beginning-of-line)
(set-marker mew-marker-header-end (point))
(point)))))))
(defmacro mew-attach-begin ()
(` (if (markerp mew-marker-attach-begin)
(marker-position mew-marker-attach-begin))))
;;
(defmacro mew-decode-syntax-begin-set ()
(` (set-marker mew-marker-decode-syntax-begin (point))))
(defmacro mew-decode-syntax-end-set ()
(` (set-marker mew-marker-decode-syntax-end (point))))
(defmacro mew-decode-syntax-clear ()
(` (progn
(set-marker mew-marker-decode-syntax-begin nil)
(set-marker mew-marker-decode-syntax-end nil))))
(defmacro mew-decode-syntax-buffer ()
(` (set-buffer (marker-buffer mew-marker-decode-syntax-begin))))
(defun mew-summary-end-of-message-p ()
(let (pos beg end)
(save-excursion
(set-buffer (mew-decode-syntax-buffer))
(setq pos (point))
(setq end (mew-decode-syntax-end))
(goto-char end)
(forward-line -1)
(beginning-of-line)
(setq beg (point))
(and (<= beg pos) (< pos end)))))
;;
(defmacro mew-header-set ()
(` (progn
(if (not (markerp mew-marker-header-end))
(setq mew-marker-header-end (make-marker)))
(set-marker mew-marker-header-end (point)))))
(defmacro mew-header-clear ()
(` (if (markerp mew-marker-header-end)
(set-marker mew-marker-header-end nil))))
;;
(defmacro mew-attach-set ()
(` (progn
(goto-char (point-max))
(if (null (bolp))(insert "\n"))
(if (not (markerp mew-marker-attach-begin))
(setq mew-marker-attach-begin (make-marker)))
(set-marker mew-marker-attach-begin (point))
(insert mew-draft-attach-boundary-begin)
(insert "\n")
(insert mew-draft-attach-boundary-end)
(insert "\n")
(beginning-of-line)
(mew-draft-attach-keymap)
(put-text-property (mew-attach-begin) (point-max) 'read-only t))))
(defmacro mew-attach-clear ()
(` (if (mew-attach-p)
(save-excursion
(let ((inhibit-read-only t))
(delete-region (mew-attach-begin) (point-max))
(set-marker mew-marker-attach-begin nil)
(if mew-use-overlay-keymap
(mew-overlay-disable mew-overlay-attach-keymap)))))))
(defmacro mew-header-prepared ()
(` (progn
(if (not (markerp mew-marker-header-end))
(setq mew-marker-header-end (make-marker)))
(set-marker mew-marker-header-end (point))
(insert mew-header-separator "\n")
(if mew-config-insert-when-prepared
(mew-draft-insert-config 'nohighlight))
(mew-highlight-header)
(mew-draft-header-keymap))))
(defmacro mew-draft-header-keymap ()
(` (save-excursion
(if mew-use-overlay-keymap
(if (mew-overlay-p mew-overlay-header-keymap)
(mew-overlay-move mew-overlay-header-keymap
(point-min) (mew-header-end))
(setq mew-overlay-header-keymap
(mew-overlay-make (point-min) (mew-header-end)))
(mew-overlay-put mew-overlay-header-keymap
(if mew-xemacs-p 'keymap 'local-map)
mew-draft-header-map)
(mew-overlay-put mew-overlay-header-keymap
(if mew-xemacs-p 'end-closed 'rear-sticky) t)))
(goto-char (mew-header-end))
(let ((beg (point))
(inhibit-read-only t))
(end-of-line)
(put-text-property beg (point)
(if mew-xemacs-p 'end-open 'rear-nonsticky) t)
(put-text-property beg (point)
(if mew-xemacs-p 'start-open 'front-nonsticky) t)
(put-text-property beg (point) 'read-only t)))))
(defmacro mew-draft-attach-keymap ()
(` (progn
(if mew-use-overlay-keymap
(if (mew-overlay-p mew-overlay-attach-keymap)
(mew-overlay-move mew-overlay-attach-keymap
(mew-attach-begin) (point-max))
(setq mew-overlay-attach-keymap
(mew-overlay-make (mew-attach-begin) (point-max)))
(mew-overlay-put mew-overlay-attach-keymap
(if mew-xemacs-p 'keymap 'local-map)
mew-draft-attach-map))))))
(provide 'mew-syntax)
;;; Copyright Notice:
;; Copyright (C) 1996, 1997, 1998 Mew developing team.
;; All rights reserved.
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;;
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; 3. Neither the name of the team nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE TEAM AND CONTRIBUTORS ``AS IS'' AND
;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
;; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE TEAM OR CONTRIBUTORS BE
;; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
;; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
;; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
;; BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
;; OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
;; IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;; mew-syntax.el ends here
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