/usr/share/emacs/site-lisp/mew/mew-syntax.el is in mew-beta 7.0.50~6.5+0.20140128-1.
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
;; Created: Oct 2, 1996
;;; Code:
(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
;;
;;
;;
(defun mew-syntax-singlepart-p (syntax)
(eq (aref syntax 0) 'single))
(defun mew-syntax-multipart-p (syntax)
(eq (aref syntax 0) 'multi))
(defun mew-syntax-message-p (syntax)
(eq (aref syntax 0) 'message))
;;
;;
;;
(defun mew-syntax-get-key (syntax)
(aref syntax 0))
(defun mew-syntax-get-begin (syntax)
(let ((beg (aref syntax 1)))
(if (listp beg) (car beg) beg)))
(defun mew-syntax-get-begin2 (syntax)
(let ((beg (aref syntax 1)))
(if (listp beg) (cdr beg) beg)))
(defun mew-syntax-get-end (syntax)
(aref syntax 2))
(defun mew-syntax-get-privacy (syntax)
(aref syntax 3))
(defun mew-syntax-get-ct (syntax)
(aref syntax 4))
(defun mew-syntax-get-cte (syntax)
(aref syntax 5))
(defun mew-syntax-get-cd (syntax)
(aref syntax 6))
(defun mew-syntax-get-cid (syntax)
(aref syntax 7))
(defun mew-syntax-get-cdp (syntax)
(aref syntax 8))
(defun mew-syntax-get-part (syntax)
(aref syntax 9))
(defun mew-syntax-set-key (syntax key)
(aset syntax 0 key))
(defun mew-syntax-set-begin (syntax begin)
(aset syntax 1 begin))
(defun mew-syntax-set-end (syntax end)
(aset syntax 2 end))
(defun mew-syntax-set-privacy (syntax privacy)
(aset syntax 3 privacy))
(defun mew-syntax-set-ct (syntax ct)
(aset syntax 4 ct))
(defun mew-syntax-set-cte (syntax cte)
(aset syntax 5 cte))
(defun mew-syntax-set-cd (syntax cd)
(aset syntax 6 cd))
(defun mew-syntax-set-cid (syntax cid)
(aset syntax 7 cid))
(defun mew-syntax-set-cdp (syntax cdp)
(aset syntax 8 cdp))
(defun mew-syntax-set-part (syntax part)
(aset syntax 9 part))
;; alias for encode syntax
(defun mew-syntax-get-file (syntax)
(aref syntax 1))
(defun mew-syntax-set-file (syntax file)
(aset syntax 1 file))
(defun mew-syntax-get-decrypters (syntax)
(aref syntax 2))
(defun mew-syntax-set-decrypters (syntax decrypters)
(aset syntax 2 decrypters))
;; for content parameters
(defun mew-syntax-get-value (ctl &optional capitalizep)
(if capitalizep
(mew-capitalize (car ctl))
(car ctl)))
(defun mew-syntax-get-params (ctl)
(cdr ctl))
;; ctl = (value (pname pvalue) (pname pvalue) ...)
;; ctl = ((pname pvalue) (pname pvalue) ...)
(defun mew-syntax-get-param (ctl member)
(nth 1 (assoc member ctl)))
(defun mew-syntax-treat-filename-default-function (file)
(if (stringp file)
(mew-replace-white-space
(mew-chop (file-name-nondirectory file)))))
(defun mew-syntax-get-filename (cdpl &optional ctl)
(let ((file (mew-syntax-get-param cdpl "filename")))
;; for broken MUAs
(if (and (null file) mew-use-name-parameter ctl)
(setq file (mew-syntax-get-param ctl "name")))
(if mew-syntax-treat-filename-function
(setq file (funcall mew-syntax-treat-filename-function file)))
file))
;; need to setq
(defun mew-syntax-cat (syntax part)
(vconcat syntax (vector part)))
(defun mew-syntax-cdp-format (ct file &optional cdp force-file)
;; If cdp is a string, it is used as a file.
(let* ((cdpdb (mew-cdpdb-by-ct ct))
(val (mew-cdpdb-val cdpdb))
(filep (mew-cdpdb-file cdpdb)))
(if (stringp cdp) (setq file cdp))
(when val
(if (and (or filep force-file) file)
(list val (list "filename" (file-name-nondirectory (mew-header-sanity-check-string file))))
(list val)))))
;; Encryption
(defun mew-syntax-encrypted-p (syntax)
(catch 'loop
(dolist (ent (mew-syntax-get-privacy (mew-syntax-get-part syntax)))
(if (or (mew-case-equal (mew-privacy-dinfo-get-ct ent) mew-ct-mle)
(mew-case-equal (mew-privacy-dinfo-get-proto ent) mew-ct-smm-enc))
(throw 'loop t)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Entry functions
;;
(defun mew-syntax-get-entry (syntax nums)
(cond
((null nums) syntax) ;; single & message match
((mew-syntax-message-p syntax)
(let ((body (mew-syntax-get-part syntax)))
(if (mew-syntax-multipart-p body)
(mew-syntax-get-entry (mew-syntax-get-part syntax) nums)
;; nums should be "1"
body)))
((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
(defun mew-syntax-get-entry-by-cid (syntax cid)
(cond
((and (stringp (mew-syntax-get-cid syntax))
(string= (mew-syntax-get-cid syntax) cid))
syntax)
((mew-syntax-message-p syntax)
(mew-syntax-get-entry-by-cid (mew-syntax-get-part syntax) cid))
((mew-syntax-multipart-p syntax)
(let ((i mew-syntax-magic)
(len (length syntax))
entry)
(catch 'multi
(while (< i len)
;; xxx aref (see mew-summary-burst-body)
(setq entry (mew-syntax-get-entry-by-cid (aref syntax i) cid))
(if entry (throw 'multi entry))
(setq i (1+ i))))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;
;;
(defun mew-summary-goto-part (msg part)
(let (here)
(save-excursion
(goto-char (point-min))
(when (and (re-search-forward (mew-regex-sumsyn-msg msg) nil t)
(re-search-forward (mew-regex-jmp-part part) nil t))
(beginning-of-line)
(setq here (point))))
(and here (goto-char here))))
(defun mew-summary-goto-message ()
(if (eobp) (forward-line -1))
(when (mew-in-decode-syntax-p)
(goto-char (mew-decode-syntax-begin))
(forward-line -1))
(beginning-of-line))
(defun mew-syntax-number ()
(if (or (mew-in-attach-p)
(mew-in-decode-syntax-p))
(save-excursion
(beginning-of-line)
(if (looking-at mew-regex-part) (mew-sumsyn-part)))))
(defun mew-syntax-number-to-nums (strnum)
(if strnum
(mapcar 'string-to-number (mew-split strnum ?.))
nil))
(defun mew-syntax-nums ()
(mew-syntax-number-to-nums (mew-syntax-number)))
(defun mew-summary-goto-mark ()
(beginning-of-line))
(defun mew-summary-goto-body (&optional after)
(when mew-summary-form-body-starter
(beginning-of-line)
(let ((beg (point)))
(forward-line)
(if (search-backward "\r" nil t)
(if (search-backward mew-summary-form-body-starter beg t)
(progn
(if after (goto-char (match-end 0)))
t)
nil)
(forward-line -1) ;; just in case
nil))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Summary mode syntax
;;;
(defvar mew-use-cut-file-name t)
(defun mew-summary-info (arg)
"Display the folder name of this message, its number, its size
and its unique id. If this is a cache message, both the unique
id and the size are also shown. If called with
'\\[universal-argument]', its Message-ID: and its parent's
Message-ID: are displayed instead. If 'mew-use-cut-file-name' is
non-nil, the file path is pushed to the cut buffer of your window
system."
(interactive "P")
(mew-summary-msg
(when (mew-sumsyn-match mew-regex-sumsyn-long)
(if arg
(message "my-id=%s par-id=%s"
(mew-sumsyn-my-id)
(mew-sumsyn-parent-id))
(let* ((fld (mew-sumsyn-folder-name))
(msg (mew-sumsyn-message-number))
(size (mew-sumsyn-message-size))
(uid (mew-sumsyn-message-uid))
(file (concat (file-name-as-directory fld) msg))
(path (mew-expand-folder file))
(rpath (mew-msg-get-filename path)))
(if (mew-virtual-p)
(setq file (mew-folder-path-to-folder file 'has-proto)))
(message "%s size=%s uid=%s" file size uid)
(when mew-use-cut-file-name
(kill-new rpath)))))))
(defun mew-sumsyn-match (regex)
(save-excursion
(beginning-of-line)
(let ((start (point)))
(end-of-line)
(when (search-backward "\r" start t)
(looking-at regex)))))
(defun mew-sumsyn-folder-name ()
(let ((fn (mew-match-string 1))
(bn (buffer-name)))
(cond
((not (string= fn "")) (mew-sumsym-decode-folder fn))
((mew-virtual-for-one-summary)
(mew-vinfo-get-physical-folder))
(t bn))))
(defun mew-sumsyn-message-number () (mew-match-string 2))
(defun mew-sumsyn-my-id () (mew-match-string 3))
(defun mew-sumsyn-parent-id () (mew-match-string 4))
(defun mew-sumsyn-message-uid () (mew-match-string 5))
(defun mew-sumsyn-message-size () (mew-match-string 6))
(defun mew-sumsyn-part () (mew-match-string 1))
(defun mew-summary-folder-name (&optional ext)
(cond
((or ext (mew-summary-p))
(buffer-name))
(t ;; Virtual mode
(save-excursion
(mew-summary-goto-message)
(when (mew-sumsyn-match mew-regex-sumsyn-short)
(mew-sumsyn-folder-name))))))
(defun mew-summary-message-number ()
(unless (mew-in-decode-syntax-p)
(when (mew-sumsyn-match mew-regex-sumsyn-short)
(mew-sumsyn-message-number))))
(defun mew-summary-message-number2 ()
(save-excursion
(mew-summary-goto-message)
(when (mew-sumsyn-match mew-regex-sumsyn-short)
(mew-sumsyn-message-number))))
(defun mew-summary-my-id ()
(when (mew-sumsyn-match mew-regex-sumsyn-long)
(mew-sumsyn-my-id)))
(defun mew-summary-parent-id ()
(when (mew-sumsyn-match mew-regex-sumsyn-long)
(mew-sumsyn-parent-id)))
(defun mew-summary-message-uid ()
(when (mew-sumsyn-match mew-regex-sumsyn-long)
(mew-sumsyn-message-uid)))
(defun mew-summary-message-size ()
(when (mew-sumsyn-match mew-regex-sumsyn-long)
(mew-sumsyn-message-size)))
(defun mew-syntax-change-message-number (msg)
(save-excursion
(when (mew-sumsyn-match mew-regex-sumsyn-short)
(mew-syntax-change-message-number2 msg))))
;; see also mew-sumsyn-message-number
(defun mew-syntax-change-message-number2 (msg)
(delete-region (match-beginning 2) (match-end 2))
(goto-char (match-beginning 2))
(insert-and-inherit msg))
(defun mew-syntax-change-parent-id (id)
(save-excursion
(when (mew-sumsyn-match mew-regex-sumsyn-long)
(delete-region (match-beginning 4) (match-end 4))
(goto-char (match-beginning 4))
(insert-and-inherit id))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; 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.
;; if cdp is a string, set cdp from cdp as a file.
(let* (ct ctdb)
(cond
(ctl
(setq ct (car ctl))
(setq ctdb (mew-ctdb-by-ct ct)))
(t
(setq ctdb (mew-ctdb-by-file file))
(setq ct (mew-ctdb-ct ctdb))
(unless ct
(setq ct (mew-content-type (mew-tinfo-get-case)))
(setq ctdb (mew-ctdb-by-ct ct)))
(setq ctl (list ct))))
(or cte (setq cte (mew-ctdb-cte ctdb)))
(if cdp (setq cdp (mew-syntax-cdp-format ct file cdp)))
(vconcat [single] (list file decrypters privacy ctl cte cd cid cdp))))
(defun mew-encode-syntax-multi (dir ct)
(unless (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-text ()
(mew-encode-syntax-single mew-draft-coverpage (list mew-ct-txt)))
(defun mew-encode-syntax-initial (dir)
(vconcat
(mew-encode-syntax-multi dir mew-type-mlm)
;; ensure to guess charset ....
(list (mew-encode-syntax-text))))
(defun mew-encode-syntax-initial-multi (dir n)
(let ((i 1) file ret)
(while (<= i n)
(setq file (mew-msg-new-filename (number-to-string i)))
(setq ret (vconcat ret (list (mew-encode-syntax-single
file nil nil nil nil 'cdp))))
(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
;;
;; MUST generate a new vector
(defun mew-decode-syntax-rfc822 (&optional msg-head multi)
;; msg-head may include CD:
(unless msg-head (setq msg-head (mew-decode-syntax-rfc822-head t)))
(if (not multi)
(vconcat msg-head (vector (mew-decode-syntax-text)))
(let ((body (mew-decode-syntax-text))
(head (mew-decode-syntax-multi-head)))
(mew-syntax-set-begin head (mew-syntax-get-begin body))
(mew-syntax-set-end head (mew-syntax-get-end body))
(vconcat msg-head (vector (mew-syntax-cat head body))))))
(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))
(defun mew-decode-syntax-multi-head ()
(vector 'multi nil nil nil mew-type-mlm nil nil nil nil))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; syntax printer
;;
(defconst mew-draft-attach-boundary-beg
"------------------------------ attachments ------------------------------")
(defconst mew-draft-attach-boundary-end
"--------0-1-2-3-4-5-6-7-8-9----------------------------------------------")
(defun mew-encode-syntax-delete (&optional all)
(mew-elet
(let (end)
(goto-char (point-max))
(when (re-search-backward mew-regex-attach-end nil t)
(setq end (point))
(when (re-search-backward mew-regex-attach-beg nil t)
(cond
(all
(beginning-of-line)
(backward-char)
(delete-region (point) (point-max)))
(t
(forward-line)
(delete-region (point) end))))))))
(defun mew-encode-syntax-print (syntax)
(mew-elet
(let ((nums (mew-syntax-nums)))
(when (mew-attach-p)
(mew-encode-syntax-delete)
(mew-xinfo-set-multi-form nil)
(mew-xinfo-set-icon-spec nil)
(mew-syntax-multipart syntax nil nil 'mew-draft-button)
(mapc 'insert-and-inherit (nreverse (mew-xinfo-get-multi-form)))
(put-text-property (mew-attach-begin) (point-max) 'read-only t)
(mew-front-nonsticky (mew-attach-begin) (1+ (mew-attach-begin)))
(mew-rear-sticky (1- (point-max)) (point-max))
(mew-attach-goto-number 'here nums)))))
;;
;;
;;
(defun mew-decode-syntax-insert (line)
(let ((beg (point)))
(insert line)
(when (and mew-use-highlight-mouse-line window-system)
(put-text-property
beg (1- (point)) 'mouse-face mew-highlight-mouse-line-face))))
(defun mew-decode-syntax-print (sumbuf syntax form icon)
(let* ((stx (mew-syntax-get-part syntax)))
(with-current-buffer sumbuf
(when (mew-syntax-multipart-p stx)
(forward-line)
(mew-elet
(let ((pos (point)))
(mew-decode-syntax-begin-set)
(mapc 'mew-decode-syntax-insert form)
(if (= pos (point))
;; Nothing was printed.
(mew-decode-syntax-remove)
(mew-decode-syntax-end-set)))
(forward-line -1)
(mew-summary-goto-message)
(set-buffer-modified-p nil))))))
;;
;;
;;
(defun mew-decode-syntax-clear ()
(mew-xinfo-clear))
(defun mew-decode-syntax-copy (cache)
(setq mew-decode-syntax (mew-cache-decode-syntax cache))
(mew-xinfo-copy cache))
(defun mew-decode-syntax-set ()
;; cache buffer
(let ((part (mew-syntax-get-part mew-decode-syntax)))
(mew-decode-syntax-arrange-warning)
(if (mew-syntax-multipart-p part)
(progn
(mew-syntax-multipart part 'decoding nil 'mew-summary-button 'body)
(mew-xinfo-set-multi-form (nreverse (mew-xinfo-get-multi-form)))
(mew-xinfo-set-icon-spec (nreverse (mew-xinfo-get-icon-spec))))
(mew-decode-syntax-set-privacy part "body"))))
(defun mew-syntax-multipart (syntax dec part func &optional body)
(let* ((ct (mew-syntax-get-value (mew-syntax-get-ct syntax) 'cap))
(cnt mew-syntax-magic)
(num 1)
(len (length syntax))
(mew-inherit-alt (string= mew-ct-mla ct))
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))
(while (< cnt len)
(if part
(setq strpart (concat part "." (number-to-string num)))
(setq strpart (number-to-string num)))
(setq subsyntax (aref syntax cnt))
(cond
((mew-syntax-multipart-p subsyntax)
(mew-syntax-multipart subsyntax dec strpart func nil))
((mew-syntax-message-p subsyntax)
(mew-syntax-message subsyntax dec strpart func))
((mew-syntax-singlepart-p subsyntax)
(mew-syntax-singlepart subsyntax dec strpart func
(and body (= cnt mew-syntax-magic)))))
(setq cnt (1+ cnt))
(setq num (1+ num)))
(unless dec
(if part
(setq part (concat part "." (number-to-string num)))
(setq part (number-to-string num)))
(mew-syntax-format mew-encode-syntax-dot part dec))))
(defun mew-syntax-singlepart (syntax dec part func first)
;; part is valid only when called by mew-syntax-multipart.
(let ((ct (mew-syntax-get-value (mew-syntax-get-ct syntax) 'cap)))
;; 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-use-text-body
(mew-ct-textp ct))
() ;; skip displaying.
;; reach here only when called by mew-syntax-multipart.
(mew-syntax-format syntax part dec))
(if dec (mew-decode-syntax-set-privacy
syntax
(if (eq first 'body)
(if part (concat part " body") "body")
part)))))
(defun mew-syntax-message (syntax dec part func)
(let ((subsyntax (mew-syntax-get-part syntax)))
(mew-syntax-format syntax part dec)
(if dec (mew-decode-syntax-set-privacy
syntax
(format "%s message" part)))
(cond
((mew-syntax-multipart-p subsyntax)
(mew-syntax-multipart subsyntax dec part func 'body))
((mew-syntax-message-p subsyntax)
) ;; never happens
((mew-syntax-singlepart-p subsyntax)
;; text/plain only
(mew-syntax-singlepart 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 (mew-syntax-get-value ctl 'cap))
(char (mew-syntax-get-param ctl "charset"))
(ichar (mew-syntax-get-param ctl "icharset"))
(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-filename cdpl ctl))
(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 " ") (LT (- (max mew-window-magic (window-width)) 2))
(ln (length number))
(lm 4) (lt 27)
(ld (* (/ (- LT lm lt) 5) 3))
(lf (- LT lm ln lt ld 8))
(marks (make-string lm mew-sp))
(i 0) (N (length privacy))
ctm ctp)
(run-hooks 'mew-syntax-format-hook)
(if (mew-ct-textp ct)
(if char
(setq ct (concat ct "(" char ")"))
(if dec
(setq ct (concat ct "(" mew-us-ascii ")"))
(if ichar
(setq ct (concat ct "(*" ichar ")"))
(setq ct (concat ct "(guess)"))))))
(if (and dec mew-inherit-alt) (setq ct (concat ct "*")))
(setq ct (mew-substring ct lt 'cnt))
(if (null privacy)
(when cte
(setq cte (downcase cte))
(cond
((or (string= cte mew-7bit)
(string= cte mew-8bit)
(string= cte mew-bin))
;; no mark
)
((string= cte mew-b64) (aset marks 0 ?B))
((string= cte mew-qp) (aset marks 0 ?Q))
((string= cte mew-xg) (aset marks 0 ?G))
(t (aset marks 0 ??))))
(if dec (setq privacy (reverse privacy)))
(while (< i N)
(mew-set '(ctm ctp) (nth i privacy))
(let ((case-fold-search t))
(cond
((string-match "pgp" ctp) (aset marks (* i 2) ?P))
((string-match "pkcs" ctm) (aset marks (* i 2) ?S))
((string-match "moss" ctp) (aset marks (* i 2) ?M)))
(cond
((mew-case-equal mew-ct-mle ctm) (aset marks (1+ (* i 2)) ?E))
((mew-case-equal mew-ct-mls ctm) (aset marks (1+ (* i 2)) ?S))
((mew-case-equal "enveloped-data" ctp) (aset marks (1+ (* i 2)) ?E))
((mew-case-equal "signed-data" ctp) (aset marks (1+ (* i 2)) ?S)))
(setq i (1+ i)))))
(if (and (not dec) decrypters) (setq cd-or-dec decrypters))
(setq cd-or-dec (mew-substring cd-or-dec ld 'cnt))
(cond
(filename
(setq file filename))
((and file (not (string= file ".")) (not (string-match "/$" file)))
(setq file (concat "*" file))))
(setq file (mew-substring file lf 'cnt))
(mew-xinfo-set-multi-form
(cons (concat
marks
(if number (concat space number))
space space
ct
space space
cd-or-dec
space space
file
"\n")
(mew-xinfo-get-multi-form)))))
(defun mew-decode-syntax-buffer ()
(marker-buffer mew-marker-decode-syntax-begin))
(defun mew-decode-syntax-delete ()
(when (mew-decode-syntax-p)
(with-current-buffer (mew-decode-syntax-buffer)
(mew-xinfo-set-icon-spec nil)
(mew-summary-toolbar-update)
(save-excursion
(mew-elet
(delete-region (mew-decode-syntax-begin) (mew-decode-syntax-end))))
(mew-decode-syntax-remove)
(mew-highlight-cursor-line)
(set-buffer-modified-p nil))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; decode privacy
;;
(defun mew-decode-syntax-set-privacy (syntax label)
(let (results)
(dolist (privacy (mew-syntax-get-privacy syntax))
(setq results (concat results (nth 2 privacy))))
(when results
(mew-xinfo-set-pri-result
(concat (mew-xinfo-get-pri-result)
mew-x-mew: (format " <%s> " label) results "\n")))))
(defun mew-decode-syntax-insert-privacy ()
(when (mew-xinfo-get-pri-result)
(let ((beg (point)))
(insert (mew-xinfo-get-pri-result))
(mew-decode-header-property-region beg (point))
(save-excursion
(save-restriction
(narrow-to-region beg (point))
(goto-char (point-min))
(while (re-search-forward "BAD.*sign" nil t)
(put-text-property
(match-beginning 0)
(match-end 0)
'face 'mew-face-header-xmew-bad)))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Broken messages
;;
(defun mew-decode-syntax-arrange-warning ()
(when (mew-xinfo-get-warning)
(mew-xinfo-set-warning
(mew-uniq-list (sort (mew-xinfo-get-warning) 'string<)))))
(defun mew-decode-syntax-insert-warning ()
(when (or (mew-xinfo-get-warning) (mew-xinfo-get-info))
(let ((beg (point))
(pref (make-string (1+ (length mew-x-mew:)) mew-sp)))
(when (mew-xinfo-get-warning)
(insert mew-x-mew: " "
(mapconcat 'identity (mew-xinfo-get-warning) pref)))
(when (mew-xinfo-get-info)
(insert mew-x-mew: " "
(mapconcat 'identity (mew-xinfo-get-info) pref)))
(mew-decode-header-property-region beg (point)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; markers
;;
(defvar mew-marker-decode-syntax-begin (make-marker))
(defvar mew-marker-decode-syntax-end (make-marker))
;; location
(defun mew-in-decode-syntax-p ()
(and (marker-position mew-marker-decode-syntax-begin)
(marker-position mew-marker-decode-syntax-end)
(eq (current-buffer) (marker-buffer mew-marker-decode-syntax-begin))
(>= (point) (marker-position mew-marker-decode-syntax-begin))
(< (point) (marker-position mew-marker-decode-syntax-end))))
(defun mew-in-header-p ()
(let ((end (mew-header-end)))
(and end (<= (point) end))))
(defun mew-in-attach-p ()
(let ((beg (mew-attach-begin)))
(and beg (> (point) beg)))) ;; excluding the preceding \n
;; existence
(defun mew-decode-syntax-p ()
(and (marker-position mew-marker-decode-syntax-begin)
(marker-position mew-marker-decode-syntax-end)))
(defun mew-msghdr-p ()
(save-restriction
(widen)
(next-single-property-change (point-min) 'read-only)))
(defun mew-attach-p ()
(if (/= (point-max) 1)
(get-text-property (1- (point-max)) 'mew-attach-end)))
(defun mew-encode-syntax-have-one-part ()
(= (length mew-encode-syntax) (1+ mew-syntax-magic)))
;; point
(defun mew-decode-syntax-begin ()
(marker-position mew-marker-decode-syntax-begin))
(defun mew-decode-syntax-end ()
(marker-position mew-marker-decode-syntax-end))
(defun mew-header-end ()
(mew-msghdr-p))
(defun mew-attach-begin ()
(if (mew-attach-p)
(let ((beg (previous-single-property-change
(point-max) 'mew-attach-begin)))
(if beg (1- beg) nil))))
;;
(defun mew-decode-syntax-begin-set ()
(set-marker mew-marker-decode-syntax-begin (point)))
(defun mew-decode-syntax-end-set ()
(set-marker mew-marker-decode-syntax-end (point)))
(defun mew-decode-syntax-remove ()
(set-marker mew-marker-decode-syntax-begin nil)
(set-marker mew-marker-decode-syntax-end nil))
(defun mew-summary-end-of-message-p ()
(let (pos beg end)
(with-current-buffer (mew-decode-syntax-buffer)
(save-excursion
(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))))))
;;
(defun mew-header-set (sep)
(mew-elet
(let ((pos (point)))
(if sep
(progn
(insert-before-markers sep) ;; for mew-summary-reply
(unless (bolp) (forward-line)))
(forward-line))
(put-text-property pos (point) 'read-only t)
(mew-front-nonsticky pos (1+ pos))
(if (mew-header-p)
(mew-rear-sticky (1- (point)) (point))
(mew-rear-nonsticky (1- (point)) (point)))
pos)))
(defun mew-header-clear (&optional keep-read-only)
;; the cursor moves to the end of the header (with some exceptions)
(mew-elet
(mew-header-goto-end) ;; do not use mew-header-end
(let ((pos (point)))
(forward-line)
;; If the body contains the read-only property, mew-in-header-p()
;; makes a mistake. So, remove the read-only property from
;; the entire buffer.
(unless keep-read-only
(put-text-property (point) (point-max) 'read-only nil))
(delete-region pos (point)))))
;;
(defun mew-attach-set ()
(mew-elet
(let (beg)
(goto-char (point-max))
(unless (bolp) (insert "\n"))
(setq beg (point))
(insert "\n")
(insert mew-draft-attach-boundary-beg)
(insert "\n")
(insert mew-draft-attach-boundary-end)
(insert "\n")
(put-text-property beg (1+ beg) 'mew-attach-begin t)
(put-text-property (1- (point)) (point) 'mew-attach-end t)
(beginning-of-line)
(mew-draft-attach-keymap))))
(defun mew-attach-clear ()
(when (mew-attach-p)
(save-excursion
(mew-elet
(delete-region (mew-attach-begin) (point-max)))
(mew-overlay-delete (mew-tinfo-get-attach-keymap))
(mew-tinfo-set-attach-keymap nil))))
(defun mew-header-prepared ()
(mew-header-set (concat mew-header-separator "\n"))
(mew-highlight-header)
(unless (mew-header-p) (mew-draft-header-keymap)))
(defun mew-draft-header-keymap ()
(save-excursion
(if (overlayp (mew-tinfo-get-header-keymap))
(move-overlay
(mew-tinfo-get-header-keymap) (point-min) (1+ (mew-header-end)))
(mew-tinfo-set-header-keymap
(mew-overlay-make (point-min) (1+ (mew-header-end))))
(overlay-put
(mew-tinfo-get-header-keymap) 'local-map mew-draft-header-map))))
(defun mew-draft-attach-keymap ()
(if (overlayp (mew-tinfo-get-attach-keymap))
(move-overlay
(mew-tinfo-get-attach-keymap) (1+ (mew-attach-begin)) (point-max))
(mew-tinfo-set-attach-keymap
(mew-overlay-make (1+ (mew-attach-begin)) (point-max)))
(overlay-put
(mew-tinfo-get-attach-keymap) 'local-map mew-draft-attach-map)))
(provide 'mew-syntax)
;;; Copyright Notice:
;; Copyright (C) 1996-2012 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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