X-Git-Url: http://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Fgnus-cite.el;h=1db19ccc4c92330b85216deb8d802477d1df2e60;hb=e0bec1713d40948e6cf3e60303760cc8c380ada4;hp=a5c96fcf97abb0bca78c28d3a484721ff4543306;hpb=951fc992976ca4ff45b1c3971f44f4227e398e80;p=gnus diff --git a/lisp/gnus-cite.el b/lisp/gnus-cite.el index a5c96fcf9..1db19ccc4 100644 --- a/lisp/gnus-cite.el +++ b/lisp/gnus-cite.el @@ -1,8 +1,13 @@ ;;; gnus-cite.el --- parse citations in articles for Gnus -;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 + +;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 ;; Free Software Foundation, Inc. -;; Author: Per Abhiddenware; you can redistribute it and/or modify +;; Author: Per Abhiddenware + +;; This file is part of GNU Emacs. + +;; GNU Emacs is free software; you can redistribute it and/or modify ;; it under the terms of the GNU General Public License as published by ;; the Free Software Foundation; either version 2, or (at your option) ;; any later version. @@ -24,7 +29,6 @@ (eval-when-compile (require 'cl)) (require 'gnus) -(require 'gnus-art) (require 'gnus-range) (require 'message) ; for message-cite-prefix-regexp @@ -36,19 +40,6 @@ :link '(custom-manual "(gnus)Article Highlighting") :group 'gnus-article) -(defcustom gnus-cite-reply-regexp - "^\\(Subject: Re\\|In-Reply-To\\|References\\):" - "*If headers match this regexp it is reasonable to believe that -article has citations." - :group 'gnus-cite - :type 'string) - -(defcustom gnus-cite-always-check nil - "Check article always for citations. Set it t to check all articles." - :group 'gnus-cite - :type '(choice (const :tag "no" nil) - (const :tag "yes" t))) - (defcustom gnus-cited-opened-text-button-line-format "%(%{[-]%}%)\n" "Format of opened cited text buttons." :group 'gnus-cite @@ -254,6 +245,22 @@ This should make it easier to see who wrote what." :group 'gnus-cite :type 'integer) +(defcustom gnus-cite-blank-line-after-header t + "If non-nil, put a blank line between the citation header and the button." + :group 'gnus-cite + :type 'boolean) + +;; This has to go here because its default value depends on +;; gnus-cite-face-list. +(defcustom gnus-article-boring-faces (cons 'gnus-signature-face + gnus-cite-face-list) + "List of faces that are not worth reading. +If an article has more pages below the one you are looking at, but +nothing on those pages is a word of at least three letters that is not +in a boring face, then the pages will be skipped." + :type '(repeat face) + :group 'gnus-article-hiding) + ;;; Internal Variables: (defvar gnus-cite-article nil) @@ -434,7 +441,10 @@ If WIDTH (the numerical prefix), use that text width when filling." (narrow-to-region (caar marks) (caadr marks)) (let ((adaptive-fill-regexp (concat "^" (regexp-quote (cdar marks)) " *")) - (fill-prefix (cdar marks))) + (fill-prefix + (if (string= (cdar marks) "") "" + (concat (cdar marks) " "))) + use-hard-newlines) (fill-region (point-min) (point-max))) (set-marker (caar marks) nil) (setq marks (cdr marks))) @@ -457,57 +467,65 @@ always hide." (gnus-set-format 'cited-closed-text-button t) (save-excursion (set-buffer gnus-article-buffer) - (cond - ((gnus-article-check-hidden-text 'cite arg) - t) - ((gnus-article-text-type-exists-p 'cite) - (let ((buffer-read-only nil)) - (gnus-article-hide-text-of-type 'cite))) - (t (let ((buffer-read-only nil) - (marks (gnus-dissect-cited-text)) + marks (inhibit-point-motion-hooks t) (props (nconc (list 'article-type 'cite) gnus-hidden-properties)) - beg end start) - (while marks - (setq beg nil - end nil) - (while (and marks (string= (cdar marks) "")) - (setq marks (cdr marks))) - (when marks - (setq beg (caar marks))) - (while (and marks (not (string= (cdar marks) ""))) - (setq marks (cdr marks))) - (when marks + (point (point-min)) + found beg end start) + (while (setq point + (text-property-any point (point-max) + 'gnus-callback + 'gnus-article-toggle-cited-text)) + (setq found t) + (goto-char point) + (gnus-article-toggle-cited-text + (get-text-property point 'gnus-data) arg) + (forward-line 1) + (setq point (point))) + (unless found + (setq marks (gnus-dissect-cited-text)) + (while marks + (setq beg nil + end nil) + (while (and marks (string= (cdar marks) "")) + (setq marks (cdr marks))) + (when marks + (setq beg (caar marks))) + (while (and marks (not (string= (cdar marks) ""))) + (setq marks (cdr marks))) + (when marks (setq end (caar marks))) - ;; Skip past lines we want to leave visible. - (when (and beg end gnus-cited-lines-visible) - (goto-char beg) - (forward-line (if (consp gnus-cited-lines-visible) - (car gnus-cited-lines-visible) - gnus-cited-lines-visible)) - (if (>= (point) end) - (setq beg nil) - (setq beg (point-marker)) - (when (consp gnus-cited-lines-visible) - (goto-char end) - (forward-line (- (cdr gnus-cited-lines-visible))) - (if (<= (point) beg) - (setq beg nil) + ;; Skip past lines we want to leave visible. + (when (and beg end gnus-cited-lines-visible) + (goto-char beg) + (forward-line (if (consp gnus-cited-lines-visible) + (car gnus-cited-lines-visible) + gnus-cited-lines-visible)) + (if (>= (point) end) + (setq beg nil) + (setq beg (point-marker)) + (when (consp gnus-cited-lines-visible) + (goto-char end) + (forward-line (- (cdr gnus-cited-lines-visible))) + (if (<= (point) beg) + (setq beg nil) (setq end (point-marker)))))) - (when (and beg end) - ;; We use markers for the end-points to facilitate later - ;; wrapping and mangling of text. - (setq beg (set-marker (make-marker) beg) - end (set-marker (make-marker) end)) - (gnus-add-text-properties beg end props) - (goto-char beg) - (unless (save-excursion (search-backward "\n\n" nil t)) - (insert "\n")) - (put-text-property - (setq start (point-marker)) - (progn + (when (and beg end) + (gnus-add-wash-type 'cite) + ;; We use markers for the end-points to facilitate later + ;; wrapping and mangling of text. + (setq beg (set-marker (make-marker) beg) + end (set-marker (make-marker) end)) + (gnus-add-text-properties-when 'article-type nil beg end props) + (goto-char beg) + (when (and gnus-cite-blank-line-after-header + (not (save-excursion (search-backward "\n\n" nil t)))) + (insert "\n")) + (put-text-property + (setq start (point-marker)) + (progn (gnus-article-add-button (point) (progn (eval gnus-cited-closed-text-button-line-format-spec) @@ -515,42 +533,57 @@ always hide." `gnus-article-toggle-cited-text (list (cons beg end) start)) (point)) - 'article-type 'annotation) - (set-marker beg (point))))))))) + 'article-type 'annotation) + (set-marker beg (point)))))))) -(defun gnus-article-toggle-cited-text (args) - "Toggle hiding the text in REGION." +(defun gnus-article-toggle-cited-text (args &optional arg) + "Toggle hiding the text in REGION. +ARG can be nil or a number. Positive means hide, negative +means show, nil means toggle." (let* ((region (car args)) (beg (car region)) (end (cdr region)) (start (cadr args)) (hidden - (text-property-any - beg (1- end) - (car gnus-hidden-properties) (cadr gnus-hidden-properties))) + (text-property-any beg (1- end) 'article-type 'cite)) (inhibit-point-motion-hooks t) buffer-read-only) - (funcall - (if hidden - 'remove-text-properties 'gnus-add-text-properties) - beg end gnus-hidden-properties) - (save-excursion - (goto-char start) - (gnus-delete-line) - (put-text-property - (point) - (progn - (gnus-article-add-button - (point) - (progn (eval - (if hidden - gnus-cited-opened-text-button-line-format-spec - gnus-cited-closed-text-button-line-format-spec)) - (point)) - `gnus-article-toggle-cited-text - args) - (point)) - 'article-type 'annotation)))) + (when (or (null arg) + (zerop arg) + (and (> arg 0) (not hidden)) + (and (< arg 0) hidden)) + (if hidden + (progn + ;; Can't remove 'cite from g-a-wash-types here because + ;; multiple citations may be hidden -jas + (gnus-remove-text-properties-when + 'article-type 'cite beg end + (cons 'article-type (cons 'cite + gnus-hidden-properties)))) + (gnus-add-wash-type 'cite) + (gnus-add-text-properties-when + 'article-type nil beg end + (cons 'article-type (cons 'cite + gnus-hidden-properties)))) + (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist)) + (gnus-set-mode-line 'article)) + (save-excursion + (goto-char start) + (gnus-delete-line) + (put-text-property + (point) + (progn + (gnus-article-add-button + (point) + (progn (eval + (if hidden + gnus-cited-opened-text-button-line-format-spec + gnus-cited-closed-text-button-line-format-spec)) + (point)) + `gnus-article-toggle-cited-text + args) + (point)) + 'article-type 'annotation))))) (defun gnus-article-hide-citation-maybe (&optional arg force) "Toggle hiding of cited text that has an attribution line. @@ -631,11 +664,13 @@ See also the documentation for `gnus-article-highlight-citation'." (defun gnus-cite-delete-overlays () (dolist (overlay gnus-cite-overlay-list) - (when (or (not (gnus-overlay-end overlay)) - (and (>= (gnus-overlay-end overlay) (point-min)) - (<= (gnus-overlay-end overlay) (point-max)))) - (setq gnus-cite-overlay-list (delete overlay gnus-cite-overlay-list)) - (gnus-delete-overlay overlay)))) + (ignore-errors + (when (or (not (gnus-overlay-end overlay)) + (and (>= (gnus-overlay-end overlay) (point-min)) + (<= (gnus-overlay-end overlay) (point-max)))) + (setq gnus-cite-overlay-list (delete overlay gnus-cite-overlay-list)) + (ignore-errors + (gnus-delete-overlay overlay)))))) (defun gnus-cite-parse-wrapper () ;; Wrap chopped gnus-cite-parse. @@ -931,14 +966,20 @@ See also the documentation for `gnus-article-highlight-citation'." (goto-char (point-min)) (forward-line (1- number)) (cond ((get-text-property (point) 'invisible) + ;; Can't remove 'cite from g-a-wash-types here because + ;; multiple citations may be hidden -jas (remove-text-properties (point) (progn (forward-line 1) (point)) gnus-hidden-properties)) ((assq number gnus-cite-attribution-alist)) (t + (gnus-add-wash-type 'cite) (gnus-add-text-properties (point) (progn (forward-line 1) (point)) (nconc (list 'article-type 'cite) - gnus-hidden-properties)))))))) + gnus-hidden-properties)))) + (let ((gnus-article-mime-handle-alist-1 + gnus-article-mime-handle-alist)) + (gnus-set-mode-line 'article)))))) (defun gnus-cite-find-prefix (line) ;; Return citation prefix for LINE.