;;; mu-cite.el --- yet another citation tool for GNU Emacs
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2007
+;; Free Software Foundation, Inc.
-;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
-
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; MINOURA Makoto <minoura@netlaputa.or.jp>
-;; Shuhei KOBAYASHI <shuhei-k@jaist.ac.jp>
-;; Maintainer: Shuhei KOBAYASHI <shuhei-k@jaist.ac.jp>
-;; Version: $Revision: 7.42 $
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
+;; Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
+;; Maintainer: Katsumi Yamaoka <yamaoka@jpl.org>
;; Keywords: mail, news, citation
-;; This file is part of tl (Tiny Library).
+;; This file is part of MU (Message Utilities).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; - How to use
-;; 1. bytecompile this file and copy it to the apropriate directory.
-;; 2. put the following lines to your ~/.emacs:
-;; for EMACS 19 or later and XEmacs
-;; (autoload 'mu-cite/cite-original "mu-cite" nil t)
+;; 1. Bytecompile this file and copy it to the apropriate directory.
+;; 2. Put the following lines in your ~/.emacs file:
+;; For EMACS 19 or later and XEmacs
+;; (autoload 'mu-cite-original "mu-cite" nil t)
;; ;; for all but message-mode
-;; (add-hook 'mail-citation-hook 'mu-cite/cite-original)
+;; (add-hook 'mail-citation-hook (function mu-cite-original))
;; ;; for message-mode only
-;; (setq message-cite-function (function mu-cite/cite-original))
-;; for EMACS 18
+;; (setq message-cite-function (function mu-cite-original))
+;; For EMACS 18
;; ;; for all but mh-e
-;; (add-hook 'mail-yank-hooks (function mu-cite/cite-original))
+;; (add-hook 'mail-yank-hooks (function mu-cite-original))
;; ;; for mh-e only
-;; (add-hook 'mh-yank-hooks (function mu-cite/cite-original))
+;; (add-hook 'mh-yank-hooks (function mu-cite-original))
;;; Code:
-(require 'std11)
-(require 'tl-str)
-(require 'tl-list)
-
-
-;;; @ version
-;;;
-
-(defconst mu-cite/RCS-ID
- "$Id: mu-cite.el,v 7.42 1996/10/03 06:44:24 morioka Exp $")
-(defconst mu-cite/version (get-version-string mu-cite/RCS-ID))
-
-
-;;; @ formats
-;;;
-
-(defvar mu-cite/cited-prefix-regexp "\\(^[^ \t\n>]+>+[ \t]*\\|^[ \t]*$\\)"
- "*Regexp to match the citation prefix.
-If match, mu-cite doesn't insert citation prefix.")
-
-(defvar mu-cite/prefix-format '(prefix-register-verbose "> ")
- "*List to represent citation prefix.
-Each elements must be string or method name.")
-
-(defvar mu-cite/top-format '(in-id
- ">>>>> " from " wrote:\n")
- "*List to represent top string of citation.
-Each elements must be string or method name.")
-
-
-;;; @ hooks
-;;;
-
-(defvar mu-cite-load-hook nil
- "*List of functions called after mu-cite is loaded.
-Use this hook to add your own methods to `mu-cite/default-methods-alist'.")
-
-(defvar mu-cite/instantiation-hook nil
- "*List of functions called just before narrowing to the message.")
-
-(defvar mu-cite/pre-cite-hook nil
- "*List of functions called before citing a region of text.")
+;; For picking up the macros `char-next-index', `with-temp-buffer', etc.
+(require 'poem)
-(defvar mu-cite/post-cite-hook nil
- "*List of functions called after citing a region of text.")
+(require 'pcustom)
+(require 'std11)
+(require 'alist)
+(autoload 'mu-cite-get-prefix-method "mu-register")
+(autoload 'mu-cite-get-prefix-register-method "mu-register")
+(autoload 'mu-cite-get-prefix-register-verbose-method "mu-register")
-;;; @ field
-;;;
-
-(defvar mu-cite/get-field-value-method-alist
- (list (cons 'mh-letter-mode
- (function
- (lambda (name)
- (if (and (stringp mh-sent-from-folder)
- (numberp mh-sent-from-msg))
- (save-excursion
- (set-buffer mh-sent-from-folder)
- (set-buffer mh-show-buffer)
- (and (boundp 'mime::preview/article-buffer)
- (bufferp mime::preview/article-buffer)
- (set-buffer mime::preview/article-buffer))
- (std11-field-body name)
- ))
- )))))
-
-(defun mu-cite/get-field-value (name)
- (or (std11-field-body name)
- (let ((method (assq major-mode mu-cite/get-field-value-method-alist)))
- (if method
- (funcall (cdr method) name)
- ))))
+(autoload 'mu-bbdb-get-prefix-method "mu-bbdb")
+(autoload 'mu-bbdb-get-prefix-register-method "mu-bbdb")
+(autoload 'mu-bbdb-get-prefix-register-verbose-method "mu-bbdb")
-;;; @ prefix registration
+;;; @ version
;;;
-(defvar mu-cite/registration-file
- (expand-file-name "~/.mu-cite.el")
- "*The name of the user environment file for mu-cite.")
-
-(defvar mu-cite/allow-null-string-registration nil
- "*If non-nil, null-string citation-name is registered.")
-
-(defvar mu-cite/registration-symbol 'mu-cite/citation-name-alist)
-
-(defvar mu-cite/citation-name-alist nil)
-(load mu-cite/registration-file t t t)
-(or (eq 'mu-cite/citation-name-alist mu-cite/registration-symbol)
- (setq mu-cite/citation-name-alist
- (symbol-value mu-cite/registration-symbol))
- )
-(defvar mu-cite/minibuffer-history nil)
-
-;; get citation-name from the database
-(defun mu-cite/get-citation-name (from)
- (assoc-value from mu-cite/citation-name-alist)
- )
-
-;; register citation-name to the database
-(defun mu-cite/add-citation-name (name from)
- (setq mu-cite/citation-name-alist
- (put-alist from name mu-cite/citation-name-alist))
- (mu-cite/save-to-file)
- )
-
-;; save to file
-(defun mu-cite/save-to-file ()
- (let* ((filename mu-cite/registration-file)
- (buffer (get-buffer-create " *mu-register*")))
- (save-excursion
- (set-buffer buffer)
- (setq buffer-file-name filename)
- (erase-buffer)
- (insert
- (format ";;; %s\n" (file-name-nondirectory filename)))
- (insert
- (format ";;; This file is generated automatically by mu-cite %s.\n\n"
- mu-cite/version))
- (insert (format "(setq %s\n '(" mu-cite/registration-symbol))
- (insert (mapconcat
- (function prin1-to-string)
- mu-cite/citation-name-alist "\n "))
- (insert "\n ))\n\n")
- (insert
- (format ";;; %s ends here.\n" (file-name-nondirectory filename)))
- (save-buffer))
- (kill-buffer buffer)))
+(defconst mu-cite-version "8.1")
-;;; @ item methods
-;;;
-
-;;; @@ ML count
+;;; @ macro
;;;
-(defvar mu-cite/ml-count-field-list
- '("X-Ml-Count" "X-Mail-Count" "X-Seqno" "X-Sequence" "Mailinglist-Id")
- "*List of header fields which contain sequence number of mailing list.")
-
-(defun mu-cite/get-ml-count-method ()
- (let ((field-list mu-cite/ml-count-field-list))
- (catch 'tag
- (while field-list
- (let* ((field (car field-list))
- (ml-count (mu-cite/get-field-value field)))
- (if (and ml-count (string-match "[0-9]+" ml-count))
- (throw 'tag
- (substring ml-count
- (match-beginning 0)(match-end 0))
- ))
- (setq field-list (cdr field-list))
- )))))
-
-
-;;; @@ prefix and registration
+(defmacro mu-cite-remove-text-properties (string)
+ "Remove text properties from STRING which is read from minibuffer."
+ (cond ((featurep 'xemacs)
+ `(let ((string (copy-sequence ,string)))
+ (map-extents (function (lambda (extent maparg)
+ (delete-extent extent)))
+ string 0 (length string))
+ string))
+ ((or (boundp 'minibuffer-allow-text-properties);; Emacs 20.1 or later.
+ (not (fboundp 'set-text-properties)));; under Emacs 19.7.
+ string)
+ (t
+ `(let ((string (copy-sequence ,string)))
+ (set-text-properties 0 (length string) nil string)
+ string))))
+
+
+;;; @ set up
;;;
-(defun mu-cite/get-prefix-method ()
- (or (mu-cite/get-citation-name (mu-cite/get-value 'address))
- ">")
- )
-
-(defun mu-cite/get-prefix-register-method ()
- (let ((addr (mu-cite/get-value 'address)))
- (or (mu-cite/get-citation-name addr)
- (let ((return
- (read-string "Citation name? "
- (or (mu-cite/get-value 'x-attribution)
- (mu-cite/get-value 'full-name))
- 'mu-cite/minibuffer-history)
- ))
- (if (and (or mu-cite/allow-null-string-registration
- (not (string-equal return "")))
- (y-or-n-p (format "Register \"%s\"? " return)))
- (mu-cite/add-citation-name return addr)
- )
- return))))
-
-(defun mu-cite/get-prefix-register-verbose-method ()
- (let* ((addr (mu-cite/get-value 'address))
- (return1 (mu-cite/get-citation-name addr))
- (return (read-string "Citation name? "
- (or return1
- (mu-cite/get-value 'x-attribution)
- (mu-cite/get-value 'full-name))
- 'mu-cite/minibuffer-history))
- )
- (if (and (or mu-cite/allow-null-string-registration
- (not (string-equal return "")))
- (not (string-equal return return1))
- (y-or-n-p (format "Register \"%s\"? " return))
- )
- (mu-cite/add-citation-name return addr)
- )
- return))
-
-
-;;; @@ set up
-;;;
+(defgroup mu-cite nil
+ "Yet another citation tool for GNU Emacs."
+ :prefix "mu-cite-"
+ :group 'mail
+ :group 'news)
-(defvar mu-cite/default-methods-alist
+(defvar mu-cite-default-methods-alist
(list (cons 'from
(function
(lambda ()
- (mu-cite/get-field-value "From")
- )))
+ (mu-cite-get-field-value "From"))))
(cons 'date
(function
(lambda ()
- (mu-cite/get-field-value "Date")
- )))
+ (mu-cite-get-field-value "Date"))))
(cons 'message-id
(function
(lambda ()
- (mu-cite/get-field-value "Message-Id")
- )))
+ (mu-cite-get-field-value "Message-Id"))))
(cons 'subject
(function
(lambda ()
- (mu-cite/get-field-value "Subject")
- )))
+ (mu-cite-get-field-value "Subject"))))
(cons 'ml-name
(function
(lambda ()
- (mu-cite/get-field-value "X-Ml-Name")
- )))
- (cons 'ml-count (function mu-cite/get-ml-count-method))
+ (mu-cite-get-field-value "X-Ml-Name"))))
+ (cons 'ml-count (function mu-cite-get-ml-count-method))
(cons 'address-structure
(function
(lambda ()
(car
- (std11-parse-address-string (mu-cite/get-value 'from))
- ))))
+ (std11-parse-address-string (mu-cite-get-value 'from))))))
(cons 'full-name
(function
(lambda ()
(std11-full-name-string
- (mu-cite/get-value 'address-structure))
- )))
+ (mu-cite-get-value 'address-structure)))))
(cons 'address
(function
(lambda ()
(std11-address-string
- (mu-cite/get-value 'address-structure))
- )))
+ (mu-cite-get-value 'address-structure)))))
(cons 'id
(function
(lambda ()
- (let ((ml-name (mu-cite/get-value 'ml-name)))
+ (let ((ml-name (mu-cite-get-value 'ml-name))
+ (ml-count (mu-cite-get-value 'ml-count)))
(if ml-name
(concat "["
ml-name
- " : No."
- (mu-cite/get-value 'ml-count)
+ (if ml-count
+ (concat " : No." ml-count))
"]")
- (mu-cite/get-value 'message-id)
- )))))
+ (mu-cite-get-value 'message-id))))))
(cons 'in-id
(function
(lambda ()
- (let ((id (mu-cite/get-value 'id)))
+ (let ((id (mu-cite-get-value 'id)))
(if id
(format ">>>>> In %s \n" id)
"")))))
- (cons 'prefix (function mu-cite/get-prefix-method))
- (cons 'prefix-register
- (function mu-cite/get-prefix-register-method))
- (cons 'prefix-register-verbose
- (function mu-cite/get-prefix-register-verbose-method))
(cons 'x-attribution
(function
(lambda ()
- (mu-cite/get-field-value "X-Attribution")
- )))
+ (mu-cite-get-field-value "X-Attribution"))))
+ (cons 'x-cite-me
+ (function
+ (lambda ()
+ (mu-cite-get-field-value "X-Cite-Me"))))
+ ;; mu-register
+ (cons 'prefix (function mu-cite-get-prefix-method))
+ (cons 'prefix-register
+ (function mu-cite-get-prefix-register-method))
+ (cons 'prefix-register-verbose
+ (function mu-cite-get-prefix-register-verbose-method))
+ ;; mu-bbdb
+ (cons 'bbdb-prefix
+ (function mu-bbdb-get-prefix-method))
+ (cons 'bbdb-prefix-register
+ (function mu-bbdb-get-prefix-register-method))
+ (cons 'bbdb-prefix-register-verbose
+ (function mu-bbdb-get-prefix-register-verbose-method))
))
+;;; @ formats
+;;;
+
+(defcustom mu-cite-cited-prefix-regexp
+ "\\(^[^ \t\n<>]+>+[ \t]*\\|^[ \t]*$\\)"
+ "Regexp to match the citation prefix.
+If match, mu-cite doesn't insert citation prefix."
+ :type 'regexp
+ :group 'mu-cite)
+
+(defcustom mu-cite-prefix-format '(prefix-register-verbose "> ")
+ "List to represent citation prefix.
+Each elements must be a string or a method name."
+ :type (list
+ 'repeat
+ (list
+ 'group
+ :convert-widget
+ (function
+ (lambda (widget)
+ (list
+ 'choice
+ :tag "Method or String"
+ :args
+ (nconc
+ (mapcar
+ (function (lambda (elem) (list 'choice-item (car elem))))
+ mu-cite-default-methods-alist)
+ '((symbol :tag "Method")
+ (const :tag "-" nil)
+ (choice-item :tag "String: \"> \"" "> ")
+ (string))))))))
+ :set (function (lambda (symbol value)
+ (set-default symbol (delq nil value))))
+ :group 'mu-cite)
+
+(defcustom mu-cite-top-format '(in-id ">>>>>\t" from " wrote:\n")
+ "List to represent top string of citation.
+Each elements must be a string or a method name."
+ :type (list
+ 'repeat
+ (list
+ 'group
+ :convert-widget
+ (function
+ (lambda (widget)
+ (list 'choice
+ :tag "Method or String"
+ :args
+ (nconc
+ (mapcar
+ (function (lambda (elem) (list 'choice-item (car elem))))
+ mu-cite-default-methods-alist)
+ '((symbol :tag "Method")
+ (const :tag "-" nil)
+ (choice-item :tag "String: \">>>>>\\t\"" ">>>>>\t")
+ (choice-item :tag "String: \" wrote:\\n\"" " wrote:\n")
+ (string :tag "String"))))))))
+ :set (function (lambda (symbol value)
+ (set-default symbol (delq nil value))))
+ :group 'mu-cite)
+
+
+;;; @ hooks
+;;;
+
+(defcustom mu-cite-instantiation-hook nil
+ "List of functions called just before narrowing to the message."
+ :type 'hook
+ :group 'mu-cite)
+
+(defcustom mu-cite-pre-cite-hook nil
+ "List of functions called before citing a region of text."
+ :type 'hook
+ :group 'mu-cite)
+
+(defcustom mu-cite-post-cite-hook nil
+ "List of functions called after citing a region of text."
+ :type 'hook
+ :group 'mu-cite)
+
+
+;;; @ field
+;;;
+
+(defvar mu-cite-get-field-value-method-alist nil
+ "Alist major-mode vs. function to get field-body of header.")
+
+(defun mu-cite-get-field-value (name)
+ "Return the value of the header field NAME.
+If the field is not found in the header, a method function which is
+registered in variable `mu-cite-get-field-value-method-alist' is called."
+ (or (std11-field-body name)
+ (let ((method (assq major-mode mu-cite-get-field-value-method-alist)))
+ (if method
+ (funcall (cdr method) name)))))
+
+
+;;; @ item methods
+;;;
+
+;;; @@ ML count
+;;;
+
+(defcustom mu-cite-ml-count-field-list
+ '("X-Ml-Count" "X-Mail-Count" "X-Seqno" "X-Sequence" "Mailinglist-Id")
+ "List of header fields which contains a sequence number of the mailing list."
+ :type '(repeat (choice :tag "Field Name"
+ (choice-item "X-Ml-Count")
+ (choice-item "X-Mail-Count")
+ (choice-item "X-Seqno")
+ (choice-item "X-Sequence")
+ (choice-item "Mailinglist-Id")
+ (const :tag "-" nil)
+ (string :tag "Other")))
+ :set (function (lambda (symbol value)
+ (set-default symbol (delq nil value))))
+ :group 'mu-cite)
+
+(defun mu-cite-get-ml-count-method ()
+ "A mu-cite method to return a ML-count.
+This function searches a field about ML-count, which is specified by
+the variable `mu-cite-ml-count-field-list', in a header.
+If the field is found, the function returns a number part of the
+field.
+
+Notice that please use (mu-cite-get-value 'ml-count)
+instead of to call the function directly."
+ (let ((field-list mu-cite-ml-count-field-list))
+ (catch 'tag
+ (while field-list
+ (let* ((field (car field-list))
+ (ml-count (mu-cite-get-field-value field)))
+ (if (and ml-count (string-match "[0-9]+" ml-count))
+ (throw 'tag (match-string 0 ml-count)))
+ (setq field-list (cdr field-list)))))))
+
+
;;; @ fundamentals
;;;
-(defvar mu-cite/methods-alist nil)
+(defvar mu-cite-methods-alist nil)
-(defun mu-cite/make-methods ()
- (setq mu-cite/methods-alist
- (copy-alist mu-cite/default-methods-alist))
- (run-hooks 'mu-cite/instantiation-hook)
- )
+(defun mu-cite-make-methods ()
+ (setq mu-cite-methods-alist
+ (copy-alist mu-cite-default-methods-alist))
+ (run-hooks 'mu-cite-instantiation-hook))
-(defun mu-cite/get-value (item)
- (let ((ret (assoc-value item mu-cite/methods-alist)))
+(defun mu-cite-get-value (item)
+ "Return a current value of ITEM."
+ (let ((ret (cdr (assoc item mu-cite-methods-alist))))
(if (functionp ret)
(prog1
- (setq ret (funcall ret))
- (set-alist 'mu-cite/methods-alist item ret)
- )
+ (setq ret (save-excursion (funcall ret)))
+ (set-alist 'mu-cite-methods-alist item ret))
ret)))
-(defun mu-cite/eval-format (list)
+(defun mu-cite-eval-format (list)
(mapconcat (function
(lambda (elt)
(cond ((stringp elt) elt)
- ((symbolp elt) (mu-cite/get-value elt))
- )))
- list "")
- )
+ ((symbolp elt) (mu-cite-get-value elt)))))
+ list ""))
;;; @ main function
;;;
-(defun mu-cite/cite-original ()
+;;;###autoload
+(defun mu-cite-original ()
"Citing filter function.
This is callable from the various mail and news readers' reply
function according to the agreed upon standard."
(interactive)
- (mu-cite/make-methods)
+ (mu-cite-make-methods)
(save-restriction
(if (< (mark t) (point))
(exchange-point-and-mark))
(narrow-to-region (point)(point-max))
- (run-hooks 'mu-cite/pre-cite-hook)
+ (run-hooks 'mu-cite-pre-cite-hook)
(let ((last-point (point))
- (top (mu-cite/eval-format mu-cite/top-format))
- (prefix (mu-cite/eval-format mu-cite/prefix-format))
- )
+ (top (mu-cite-eval-format mu-cite-top-format))
+ (prefix (mu-cite-eval-format mu-cite-prefix-format)))
(if (re-search-forward "^-*$" nil nil)
- (forward-line 1)
- )
+ (forward-line 1))
(widen)
(delete-region last-point (point))
(insert top)
(setq last-point (point))
(while (< (point)(mark t))
- (or (looking-at mu-cite/cited-prefix-regexp)
+ (or (and mu-cite-cited-prefix-regexp
+ (looking-at mu-cite-cited-prefix-regexp))
(insert prefix))
(forward-line 1))
- (goto-char last-point)
- )
- (run-hooks 'mu-cite/post-cite-hook)
- ))
+ (goto-char last-point))
+ (run-hooks 'mu-cite-post-cite-hook)))
;;; @ message editing utilities
;;;
-(defvar cited-prefix-regexp "^[^ \t>]*[>|]+[ \t#]*"
- "*Regexp to match the citation prefix.")
-
+(defcustom citation-mark-chars ">}|"
+ "String of characters for citation delimiter."
+ :type 'string
+ :group 'mu-cite)
+
+(defcustom citation-disable-chars "<{"
+ "String of characters not allowed as citation-prefix."
+ :type 'string
+ :group 'mu-cite)
+
+(eval-and-compile
+ ;; Don't use the function `char-category' which may have been
+ ;; defined by emu.el. Anyway, the best way is not to use emu.el.
+ (if (and (fboundp 'char-category)
+ (subrp (symbol-function 'char-category)))
+ (defalias 'mu-cite-char-category 'char-category)
+ (defun-maybe-cond mu-cite-char-category (character &optional table)
+ "Return a string of category mnemonics for CHARACTER in TABLE.
+CHARACTER can be any multilingual characters,
+TABLE defaults to the current buffer's category table (it is currently
+ignored)."
+ ((and (subr-fboundp 'char-category-set)
+ (subr-fboundp 'category-set-mnemonics))
+ (category-set-mnemonics (char-category-set character)))
+ ((and (fboundp 'char-category-list)
+ ;; `char-category-list' returns a list of characters
+ ;; in XEmacs 21.2.25 and later, otherwise integers.
+ (characterp (car-safe (char-category-list ?a))))
+ (concat (char-category-list character)))
+ ((fboundp 'char-category-list)
+ (mapconcat (lambda (chr)
+ (char-to-string (int-char chr)))
+ (char-category-list character)
+ ""))
+ ((boundp 'NEMACS)
+ (if (< (char-int character) 128)
+ "al"
+ "j"))
+ (t
+ (if (< (char-int character) 128)
+ "al"
+ "l")))))
+
+(defun detect-paragraph-cited-prefix ()
+ (save-excursion
+ (goto-char (point-min))
+ (let ((i 0)
+ (prefix
+ (buffer-substring (line-beginning-position)
+ (line-end-position))))
+ (let ((init prefix)
+ str ret)
+ (while (and (= (forward-line) 0)
+ (setq str (buffer-substring
+ (progn (beginning-of-line)(point))
+ (progn (end-of-line)(point))))
+ (setq ret (string-compare-from-top prefix str)))
+ (setq prefix
+ (if (stringp ret)
+ ret
+ (car (cdr ret))))
+ (or (string-equal init prefix)
+ (setq i (1+ i)))))
+ (cond ((> i 1) prefix)
+ ((> i 0)
+ (goto-char (point-min))
+ (save-restriction
+ (narrow-to-region (point)
+ (+ (point)(length prefix)))
+ (goto-char (point-max))
+ (if (re-search-backward
+ (concat "[" citation-mark-chars "]") nil t)
+ (progn
+ (goto-char (match-end 0))
+ (if (looking-at "[ \t]+")
+ (goto-char (match-end 0)))
+ (buffer-substring (point-min)(point)))
+ prefix)))
+ ((progn
+ (goto-char (point-max))
+ (re-search-backward
+ (concat "[" citation-disable-chars "]") nil t)
+ (re-search-backward
+ (concat "[" citation-mark-chars "]") nil t))
+ (goto-char (match-end 0))
+ (if (looking-at "[ \t]+")
+ (goto-char (match-end 0)))
+ (buffer-substring (line-beginning-position)(point)))
+ (t "")))))
+
+(defcustom fill-column-for-fill-cited-region nil
+ "Integer to override `fill-column' while `fill-cited-region' is being
+executed. If you wish people call you ****-san, you may set the value
+of `fill-column' to 60 in the buffer for message sending and set this
+to 70. :-)"
+ :type `(choice (const :tag "Off" nil)
+ (integer ,default-fill-column))
+ :group 'mu-cite)
+
+;;;###autoload
(defun fill-cited-region (beg end)
+ "Fill each of the paragraphs in the region as a cited text."
(interactive "*r")
(save-excursion
(save-restriction
(goto-char end)
- (while (not (eolp))
- (backward-char)
- )
- (setq end (point))
+ (and (search-backward "\n" nil t)
+ (setq end (match-end 0)))
(narrow-to-region beg end)
- (goto-char (point-min))
- (let* ((fill-prefix
- (let* ((str1 (buffer-substring
- (progn (beginning-of-line)(point))
- (progn (end-of-line)(point))
- ))
- (str2 (let ((p0 (point)))
- (forward-line)
- (if (> (count-lines p0 (point)) 0)
- (buffer-substring
- (progn (beginning-of-line)(point))
- (progn (end-of-line)(point))
- ))))
- (ret (string-compare-from-top str1 str2))
- )
- (if ret
- (let ((prefix (nth 1 ret)))
- (if (string-match cited-prefix-regexp prefix)
- (substring prefix 0 (match-end 0))
- prefix))
- (goto-char (point-min))
- (if (re-search-forward cited-prefix-regexp nil t)
- (buffer-substring (match-beginning 0) (match-end 0))
- ))))
- (pat (concat "\n" fill-prefix))
- )
+ (let* ((fill-prefix (detect-paragraph-cited-prefix))
+ (fill-column (max (+ 1 (current-left-margin)
+ (string-width fill-prefix))
+ (or fill-column-for-fill-cited-region
+ (current-fill-column))))
+ (pat (concat fill-prefix "\n"))
+ filladapt-mode)
(goto-char (point-min))
(while (search-forward pat nil t)
(let ((b (match-beginning 0))
- (e (match-end 0))
- )
+ (e (match-end 0)))
(delete-region b e)
(if (and (> b (point-min))
- (let ((cat (char-category
- (char-before b))))
+ (let ((cat (mu-cite-char-category (char-before b))))
(or (string-match "a" cat)
- (string-match "l" cat)
- ))
- )
- (insert " ")
- ))
- )
+ (string-match "l" cat))))
+ (insert " "))))
(goto-char (point-min))
- (fill-region (point-min) (point-max))
- ))))
-
-(defvar citation-mark-chars ">}|")
+ (fill-region (point-min) (point-max))))))
+;;;###autoload
(defun compress-cited-prefix ()
+ "Compress nested cited prefixes."
(interactive)
(save-excursion
(goto-char (point-min))
ps pe (s 0)
(nest (let ((i 0))
(if (string-match "<[^<>]+>" prefix)
- (setq prefix (substring prefix 0 (match-beginning 0)))
- )
+ (setq prefix
+ (substring prefix 0 (match-beginning 0))))
(while (string-match
(concat "\\([" citation-mark-chars "]+\\)[ \t]*")
prefix s)
(setq i (+ i (- (match-end 1)(match-beginning 1)))
ps s
pe (match-beginning 1)
- s (match-end 0)
- ))
+ s (match-end 0)))
i)))
(if (and ps (< ps pe))
(progn
(delete-region b e)
- (insert (concat (substring prefix ps pe) (make-string nest ?>)))
- ))))))
+ (insert (concat (substring prefix ps pe)
+ (make-string nest ?>)))))
+ ))))
(defun replace-top-string (old new)
(interactive "*sOld string: \nsNew string: ")
(while (re-search-forward
- (concat "^" (regexp-quote old)) nil t)
- (replace-match new)
- ))
+ (concat "^" (regexp-quote old)) nil t)
+ (replace-match new)))
+
+(defun string-compare-from-top (str1 str2)
+ (let* ((len1 (length str1))
+ (len2 (length str2))
+ (len (min len1 len2))
+ (p 0)
+ c1 c2)
+ (while (and (< p len)
+ (progn
+ (setq c1 (sref str1 p)
+ c2 (sref str2 p))
+ (eq c1 c2)))
+ (setq p (char-next-index c1 p)))
+ (and (> p 0)
+ (let ((matched (substring str1 0 p))
+ (r1 (and (< p len1)(substring str1 p)))
+ (r2 (and (< p len2)(substring str2 p))))
+ (if (eq r1 r2)
+ matched
+ (list 'seq matched (list 'or r1 r2)))))))
;;; @ end
projects / elisp / mu-cite.git / blobdiff