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[Emacs-diffs] Changes to emacs/lisp/net/newsticker.el,v
|
From: |
Ulf Jasper |
|
Subject: |
[Emacs-diffs] Changes to emacs/lisp/net/newsticker.el,v |
|
Date: |
Sun, 08 Jun 2008 15:37:08 +0000 |
CVSROOT: /sources/emacs
Module name: emacs
Changes by: Ulf Jasper <u11> 08/06/08 15:37:08
Index: newsticker.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/net/newsticker.el,v
retrieving revision 1.20
retrieving revision 1.21
diff -u -b -r1.20 -r1.21
--- newsticker.el 6 May 2008 07:31:46 -0000 1.20
+++ newsticker.el 8 Jun 2008 15:37:08 -0000 1.21
@@ -9,7 +9,8 @@
;; URL: http://www.nongnu.org/newsticker
;; Created: 17. June 2003
;; Keywords: News, RSS, Atom
-;; Time-stamp: "29. Januar 2007, 21:05:09 (ulf)"
+;; Time-stamp: "7. Juni 2008, 14:04:59 (ulf)"
+;; CVS-Version: $Id: newsticker.el,v 1.21 2008/06/08 15:37:08 u11 Exp $
;; ======================================================================
@@ -26,7 +27,7 @@
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
-(defconst newsticker-version "1.10" "Version number of newsticker.el.")
+(defconst newsticker-version "1.99" "Version number of newsticker.el.")
;; ======================================================================
;;; Commentary:
@@ -168,6 +169,17 @@
;; ======================================================================
;;; History:
+;; 1.99
+;; * Lots! of changes.
+
+;; 1.10x
+;; * Support for download via url. Setting the new variable
+;; `newsticker-download-method' to 'intern will make newsticker
+;; use the url-package instead of the external program
+;; wget. Default value is 'extern.
+;; * Re-enabled `newsticker-default-face'.
+;; * Workaround for broken extra-data.
+
;; 1.10 (2007-01-29)
;; * Bugfixes mostly: `newsticker--decode-iso8601-date',
;; `newsticker--sentinel', and others.
@@ -386,5122 +398,13 @@
;; * Tested with Emacs 21.3.2 and wget 1.8.2.
;; ======================================================================
-;;; To Do:
-
-;; * Image handling for XEmacs (create-image does not exist)
-
-;; ======================================================================
;;; Code:
-(require 'derived)
-(require 'xml)
-
-;; Silence warnings
-(defvar tool-bar-map)
-(defvar w3-mode-map)
-(defvar w3m-minor-mode-map)
-
-;; ======================================================================
-;;; Newsticker status
-;; ======================================================================
-
-(defvar newsticker--retrieval-timer-list nil
- "List of timers for news retrieval.
-This is an alist, each element consisting of (feed-name . timer).")
-
-(defvar newsticker--display-timer nil
- "Timer for newsticker display.")
-
-;;;###autoload
-(defun newsticker-running-p ()
- "Check whether newsticker is running.
-Return t if newsticker is running, nil otherwise. Newsticker is
-considered to be running if the newsticker timer list is not empty."
- (> (length newsticker--retrieval-timer-list) 0))
-
-;;;###autoload
-(defun newsticker-ticker-running-p ()
- "Check whether newsticker's actual ticker is running.
-Return t if ticker is running, nil otherwise. Newsticker is
-considered to be running if the newsticker timer list is not
-empty."
- (timerp newsticker--display-timer))
-
-;; ======================================================================
-;;; Customizables
-;; ======================================================================
-(defgroup newsticker nil
- "Aggregator for RSS and Atom feeds."
- :group 'applications)
-
-(defconst newsticker--raw-url-list-defaults
- '(("CNET News.com"
- "http://export.cnet.com/export/feeds/news/rss/1,11176,,00.xml";)
- ("Debian Security Advisories"
- "http://www.debian.org/security/dsa.en.rdf";)
- ("Debian Security Advisories - Long format"
- "http://www.debian.org/security/dsa-long.en.rdf";)
- ("Emacs Wiki"
- "http://www.emacswiki.org/cgi-bin/wiki.pl?action=rss";
- nil
- 3600)
- ("Freshmeat.net"
- "http://freshmeat.net/backend/fm.rdf";)
- ("Kuro5hin.org"
- "http://www.kuro5hin.org/backend.rdf";)
- ("LWN (Linux Weekly News)"
- "http://lwn.net/headlines/rss";)
- ("NewsForge"
- "http://newsforge.com/index.rss";)
- ("NY Times: Technology"
- "http://partners.userland.com/nytRss/technology.xml";)
- ("NY Times"
- "http://partners.userland.com/nytRss/nytHomepage.xml";)
- ("Quote of the day"
- "http://www.quotationspage.com/data/qotd.rss";
- "07:00"
- 86400)
- ("The Register"
- "http://www.theregister.co.uk/tonys/slashdot.rdf";)
- ("slashdot"
- "http://slashdot.org/index.rss";
- nil
- 3600) ;/. will ban you if under 3600 seconds!
- ("Wired News"
- "http://www.wired.com/news_drop/netcenter/netcenter.rdf";)
- ("Heise News (german)"
- "http://www.heise.de/newsticker/heise.rdf";)
- ("Tagesschau (german)"
- "http://www.tagesschau.de/newsticker.rdf";
- nil
- 1800)
- ("Telepolis (german)"
- "http://www.heise.de/tp/news.rdf";))
- "Default URL list in raw form.
-This list is fed into defcustom via `newsticker--splicer'.")
-
-(defun newsticker--splicer (item)
- "Convert ITEM for splicing into `newsticker-url-list-defaults'."
- (let ((result (list 'list :tag (nth 0 item) (list 'const (nth 0 item))))
- (element (cdr item)))
- (while element
- (setq result (append result (list (list 'const (car element)))))
- (setq element (cdr element)))
- result))
-
-;; ======================================================================
-;;; Customization
-;; ======================================================================
-(defun newsticker--set-customvar (symbol value)
- "Set newsticker-variable SYMBOL value to VALUE.
-
-Calls all necessary actions which are necessary in order to make
-the new value effective. Changing `newsticker-url-list', for example,
-will re-start the retrieval-timers."
- (unless (condition-case nil
- (eq (symbol-value symbol) value)
- (error nil))
- (set symbol value)
- (cond ((eq symbol 'newsticker-sort-method)
- (when (fboundp 'newsticker--cache-sort)
- (message "Applying new sort method...")
- (newsticker--cache-sort)
- (newsticker--buffer-set-uptodate nil)
- (message "Applying new sort method...done")))
- ((memq symbol '(newsticker-url-list-defaults
- newsticker-url-list
- newsticker-retrieval-interval))
- (when (and (fboundp 'newsticker-running-p)
- (newsticker-running-p))
- (message "Restarting newsticker")
- (newsticker-stop)
- (newsticker-start)))
- ((eq symbol 'newsticker-display-interval)
- (when (and (fboundp 'newsticker-running-p)
- (newsticker-running-p))
- (message "Restarting ticker")
- (newsticker-stop-ticker)
- (newsticker-start-ticker)
- (message "")))
- ((memq symbol '(newsticker-hide-old-items-in-echo-area
- newsticker-hide-obsolete-items-in-echo-area
- newsticker-hide-immortal-items-in-echo-area))
- (when (and (fboundp 'newsticker-running-p)
- (newsticker-running-p))
- (message "Restarting newsticker")
- (newsticker-stop-ticker)
- (newsticker--ticker-text-setup)
- (newsticker-start-ticker)
- (message "")))
- ((memq symbol '(newsticker-hide-old-items-in-newsticker-buffer
- newsticker-show-descriptions-of-new-items))
- (when (fboundp 'newsticker--buffer-set-uptodate)
- (newsticker--buffer-set-uptodate nil)))
- ((memq symbol '(newsticker-heading-format
- newsticker-item-format
- newsticker-desc-format
- newsticker-date-format
- newsticker-statistics-format
- newsticker-justification
- newsticker-use-full-width
- newsticker-html-renderer
- newsticker-feed-face
- newsticker-new-item-face
- newsticker-old-item-face
- newsticker-immortal-item-face
- newsticker-obsolete-item-face
- newsticker-date-face
- newsticker-statistics-face
- ;;newsticker-default-face
- ))
- (when (fboundp 'newsticker--forget-preformatted)
- (newsticker--forget-preformatted)))
- (t
- (error "Ooops %s" symbol)))))
-
-;; customization group feed
-(defgroup newsticker-feed nil
- "Settings for news feeds."
- :group 'newsticker)
-
-(defcustom newsticker-url-list-defaults
- '(("Emacs Wiki"
- "http://www.emacswiki.org/cgi-bin/wiki.pl?action=rss";
- nil
- 3600))
- "A customizable list of news feeds to select from.
-These were mostly extracted from the Radio Community Server at
-http://subhonker6.userland.com/rcsPublic/rssHotlist.
-
-You may add other entries in `newsticker-url-list'."
- :type `(set ,@(mapcar `newsticker--splicer
- newsticker--raw-url-list-defaults))
- :set 'newsticker--set-customvar
- :group 'newsticker-feed)
-
-(defcustom newsticker-url-list nil
- "The news feeds which you like to watch.
-
-This alist will be used in addition to selection made customizing
-`newsticker-url-list-defaults'.
-
-This is an alist. Each element consists of two items: a LABEL and a URL,
-optionally followed by a START-TIME, INTERVAL specifier and WGET-ARGUMENTS.
-
-The LABEL gives the name of the news feed. It can be an arbitrary string.
-
-The URL gives the location of the news feed. It must point to a valid
-RSS or Atom file. The file is retrieved by calling wget, or whatever you
-specify as `newsticker-wget-name'.
-
-The START-TIME can be either a string, or nil. If it is a string it
-specifies a fixed time at which this feed shall be retrieved for the
-first time. (Examples: \"11:00pm\", \"23:00\".) If it is nil (or
-unspecified), this feed will be retrieved immediately after calling
-`newsticker-start'.
-
-The INTERVAL specifies the time between retrievals for this feed. If it
-is nil (or unspecified) the default interval value as set in
-`newsticker-retrieval-interval' is used.
-
-\(newsticker.el calls `run-at-time'. The newsticker-parameters START-TIME
-and INTERVAL correspond to the `run-at-time'-parameters TIME and REPEAT.)
-
-WGET-ARGUMENTS specifies arguments for wget (see `newsticker-wget-name')
-which apply for this feed only, overriding the value of
-`newsticker-wget-arguments'."
- :type '(repeat (list :tag "News feed"
- (string :tag "Label")
- (string :tag "URI")
- (choice :tag "Start"
- (const :tag "Default" nil)
- (string :tag "Fixed Time"))
- (choice :tag "Interval"
- (const :tag "Default" nil)
- (const :tag "Hourly" 3600)
- (const :tag "Daily" 86400)
- (const :tag "Weekly" 604800)
- (integer :tag "Interval"))
- (choice :tag "Wget Arguments"
- (const :tag "Default arguments" nil)
- (repeat :tag "Special arguments" string))))
- :set 'newsticker--set-customvar
- :group 'newsticker-feed)
-
-(defcustom newsticker-wget-name
- "wget"
- "Name of the program which is called to retrieve news from the web.
-The canonical choice is wget but you may take any other program which is
-able to return the contents of a news feed file on stdout."
- :type 'string
- :group 'newsticker-feed)
-
-(defcustom newsticker-wget-arguments
- '("-q" "-O" "-")
- "Arguments which are passed to wget.
-There is probably no reason to change the default settings, unless you
-are living behind a firewall."
- :type '(repeat (string :tag "Argument"))
- :group 'newsticker-feed)
-
-(defcustom newsticker-retrieval-interval
- 3600
- "Time interval for retrieving new news items (seconds).
-If this value is not positive (i.e. less than or equal to 0)
-items are retrieved only once!
-Please note that some feeds, e.g. Slashdot, will ban you if you
-make it less than 1800 seconds (30 minutes)!"
- :type '(choice :tag "Interval"
- (const :tag "No automatic retrieval" 0)
- (const :tag "Hourly" 3600)
- (const :tag "Daily" 86400)
- (const :tag "Weekly" 604800)
- (integer :tag "Interval"))
- :set 'newsticker--set-customvar
- :group 'newsticker-feed)
-
-(defcustom newsticker-desc-comp-max
- 100
- "Relevant length of headline descriptions.
-This value gives the maximum number of characters which will be
-taken into account when newsticker compares two headline
-descriptions."
- :type 'integer
- :group 'newsticker-feed)
-
-;; customization group behaviour
-(defgroup newsticker-headline-processing nil
- "Settings for the automatic processing of headlines."
- :group 'newsticker)
-
-(defcustom newsticker-automatically-mark-items-as-old
- t
- "Decides whether to automatically mark items as old.
-If t a new item is considered as new only after its first retrieval. As
-soon as it is retrieved a second time, it becomes old. If not t all
-items stay new until you mark them as old. This is done in the
-*newsticker* buffer."
- :type 'boolean
- :group 'newsticker-headline-processing)
-
-(defcustom newsticker-automatically-mark-visited-items-as-old
- t
- "Decides whether to automatically mark visited items as old.
-If t an item is marked as old as soon as the associated link is
-visited, i.e. after pressing RET or mouse2 on the item's
-headline."
-
- :type 'boolean
- :group 'newsticker-headline-processing)
-
-(defcustom newsticker-keep-obsolete-items
- t
- "Decides whether to keep unread items which have been removed from feed.
-If t a new item, which has been removed from the feed, is kept in
-the cache until it is marked as read."
- :type 'boolean
- :group 'newsticker-headline-processing)
-
-(defcustom newsticker-obsolete-item-max-age
- (* 60 60 24)
- "Maximal age of obsolete items, in seconds.
-Obsolete items which are older than this value will be silently
-deleted at the next retrieval."
- :type 'integer
- :group 'newsticker-headline-processing)
-
-(defcustom newsticker-auto-mark-filter-list
- nil
- "A list of filters for automatically marking headlines.
-
-This is an alist of the form (FEED-NAME PATTERN-LIST). I.e. each
-element consists of a FEED-NAME a PATTERN-LIST. Each element of
-the pattern-list has the form (AGE TITLE-OR-DESCRIPTION REGEXP).
-AGE must be one of the symbols 'old or 'immortal.
-TITLE-OR-DESCRIPTION must be on of the symbols 'title,
-'description, or 'all. REGEXP is a regular expression, i.e. a
-string.
-
-This filter is checked after a new headline has been retrieved.
-If FEED-NAME matches the name of the corresponding news feed, the
-pattern-list is checked: The new headline will be marked as AGE
-if REGEXP matches the headline's TITLE-OR-DESCRIPTION.
-
-If, for example, `newsticker-auto-mark-filter-list' looks like
- \((slashdot ('old 'title \"^Forget me!$\") ('immortal 'title \"Read me\")
- \('immortal 'all \"important\"))))
-
-then all articles from slashdot are marked as old if they have
-the title \"Forget me!\". All articles with a title containing
-the string \"Read me\" are marked as immortal. All articles which
-contain the string \"important\" in their title or their
-description are marked as immortal."
- :type '(repeat (list :tag "Auto mark filter"
- (string :tag "Feed name")
- (repeat
- (list :tag "Filter element"
- (choice
- :tag "Auto-assigned age"
- (const :tag "Old" old)
- (const :tag "Immortal" immortal))
- (choice
- :tag "Title/Description"
- (const :tag "Title" title)
- (const :tag "Description" description)
- (const :tag "All" all))
- (string :tag "Regexp")))))
- :group 'newsticker-headline-processing)
-
-;; customization group layout
-(defgroup newsticker-layout nil
- "Settings for layout of the feed reader."
- :group 'newsticker)
-
-(defcustom newsticker-sort-method
- 'sort-by-original-order
- "Sort method for news items.
-The following sort methods are available:
-* `sort-by-original-order' keeps the order in which the items
- appear in the headline file (please note that for immortal items,
- which have been removed from the news feed, there is no original
- order),
-* `sort-by-time' looks at the time at which an item has been seen
- the first time. The most recent item is put at top,
-* `sort-by-title' will put the items in an alphabetical order."
- :type '(choice
- (const :tag "Keep original order" sort-by-original-order)
- (const :tag "Sort by time" sort-by-time)
- (const :tag "Sort by title" sort-by-title))
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-hide-old-items-in-newsticker-buffer
- nil
- "Decides whether to automatically hide old items in the *newsticker* buffer.
-If set to t old items will be completely folded and only new
-items will show up in the *newsticker* buffer. Otherwise old as
-well as new items will be visible."
- :type 'boolean
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-show-descriptions-of-new-items
- t
- "Whether to automatically show descriptions of new items in *newsticker*.
-If set to t old items will be folded and new items will be
-unfolded. Otherwise old as well as new items will be folded."
- :type 'boolean
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-heading-format
- "%l
-%t %d %s"
- "Format string for feed headings.
-The following printf-like specifiers can be used:
-%d The date the feed was retrieved. See `newsticker-date-format'.
-%l The logo (image) of the feed. Most news feeds provide a small
- image as logo. Newsticker can display them, if Emacs can --
- see `image-types' for a list of supported image types.
-%L The logo (image) of the feed. If the logo is not available
- the title of the feed is used.
-%s The statistical data of the feed. See `newsticker-statistics-format'.
-%t The title of the feed, i.e. its name."
- :type 'string
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-item-format
- "%t %d"
- "Format string for news item headlines.
-The following printf-like specifiers can be used:
-%d The date the item was (first) retrieved. See `newsticker-date-format'.
-%l The logo (image) of the feed. Most news feeds provide a small
- image as logo. Newsticker can display them, if Emacs can --
- see `image-types' for a list of supported image types.
-%L The logo (image) of the feed. If the logo is not available
- the title of the feed is used.
-%t The title of the item."
- :type 'string
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-desc-format
- "%d %c"
- "Format string for news descriptions (contents).
-The following printf-like specifiers can be used:
-%c The contents (description) of the item.
-%d The date the item was (first) retrieved. See
- `newsticker-date-format'."
- :type 'string
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-date-format
- "(%A, %H:%M)"
- "Format for the date part in item and feed lines.
-See `format-time-string' for a list of valid specifiers."
- :type 'string
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-statistics-format
- "[%n + %i + %o + %O = %a]"
- "Format for the statistics part in feed lines.
-The following printf-like specifiers can be used:
-%a The number of all items in the feed.
-%i The number of immortal items in the feed.
-%n The number of new items in the feed.
-%o The number of old items in the feed.
-%O The number of obsolete items in the feed."
- :type 'string
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-show-all-news-elements
- nil
- "Show all news elements."
- :type 'boolean
- ;;:set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-;; image related things
-(defcustom newsticker-enable-logo-manipulations
- t
- "If non-nil newsticker manipulates logo images.
-This enables the following image properties: heuristic mask for all
-logos, and laplace-conversion for images without new items."
- :type 'boolean
- :group 'newsticker-layout)
-
-
-;; rendering
-(defcustom newsticker-justification
- 'left
- "How to fill item descriptions.
-If non-nil newsticker calls `fill-region' to wrap long lines in
-item descriptions. However, if an item description contains HTML
-text and `newsticker-html-renderer' is non-nil, filling is not
-done."
- :type '(choice :tag "Justification"
- (const :tag "No filling" nil)
- (const :tag "Left" left)
- (const :tag "Right" right)
- (const :tag "Center" center)
- (const :tag "Full" full))
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-use-full-width
- t
- "Decides whether to use the full window width when filling.
-If non-nil newsticker sets `fill-column' so that the whole
-window is used when filling. See also `newsticker-justification'."
- :type 'boolean
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-(defcustom newsticker-html-renderer
- nil
- "Function for rendering HTML contents.
-If non-nil, newsticker.el will call this function whenever it finds
-HTML-like tags in item descriptions. Possible functions are, for
-example, `w3m-region', `w3-region', and (if you have htmlr.el installed)
-`newsticker-htmlr-render'.
-
-In order to make sure that the HTML renderer is loaded when you
-run newsticker, you should add one of the following statements to
-your .emacs. If you use w3m,
-
- (autoload 'w3m-region \"w3m\"
- \"Render region in current buffer and replace with result.\" t)
-
-or, if you use w3,
-
- (require 'w3-auto)
-
-or, if you use htmlr
-
- (require 'htmlr)"
- :type '(choice :tag "Function"
- (const :tag "None" nil)
- (const :tag "w3" w3-region)
- (const :tag "w3m" w3m-region)
- (const :tag "htmlr" newsticker-htmlr-render))
- :set 'newsticker--set-customvar
- :group 'newsticker-layout)
-
-
-;; faces
-(defgroup newsticker-faces nil
- "Settings for the faces of the feed reader."
- :group 'newsticker-layout)
-
-(defface newsticker-feed-face
- '((((class color) (background dark))
- (:family "helvetica" :bold t :height 1.2 :foreground "misty rose"))
- (((class color) (background light))
- (:family "helvetica" :bold t :height 1.2 :foreground "black")))
- "Face for news feeds."
- :group 'newsticker-faces)
-
-(defface newsticker-new-item-face
- '((((class color) (background dark))
- (:family "helvetica" :bold t))
- (((class color) (background light))
- (:family "helvetica" :bold t)))
- "Face for new news items."
- :group 'newsticker-faces)
-
-(defface newsticker-old-item-face
- '((((class color) (background dark))
- (:family "helvetica" :bold t :foreground "orange3"))
- (((class color) (background light))
- (:family "helvetica" :bold t :foreground "red4")))
- "Face for old news items."
- :group 'newsticker-faces)
-
-(defface newsticker-immortal-item-face
- '((((class color) (background dark))
- (:family "helvetica" :bold t :italic t :foreground "orange"))
- (((class color) (background light))
- (:family "helvetica" :bold t :italic t :foreground "blue")))
- "Face for immortal news items."
- :group 'newsticker-faces)
-
-(defface newsticker-obsolete-item-face
- '((((class color) (background dark))
- (:family "helvetica" :bold t :strike-through t))
- (((class color) (background light))
- (:family "helvetica" :bold t :strike-through t)))
- "Face for old news items."
- :group 'newsticker-faces)
-
-(defface newsticker-date-face
- '((((class color) (background dark))
- (:family "helvetica" :italic t :height 0.8))
- (((class color) (background light))
- (:family "helvetica" :italic t :height 0.8)))
- "Face for newsticker dates."
- :group 'newsticker-faces)
-
-(defface newsticker-statistics-face
- '((((class color) (background dark))
- (:family "helvetica" :italic t :height 0.8))
- (((class color) (background light))
- (:family "helvetica" :italic t :height 0.8)))
- "Face for newsticker dates."
- :group 'newsticker-faces)
-
-(defface newsticker-enclosure-face
- '((((class color) (background dark))
- (:bold t :background "orange"))
- (((class color) (background light))
- (:bold t :background "orange")))
- "Face for enclosed elements."
- :group 'newsticker-faces)
-
-(defface newsticker-extra-face
- '((((class color) (background dark))
- (:italic t :foreground "gray50" :height 0.8))
- (((class color) (background light))
- (:italic t :foreground "gray50" :height 0.8)))
- "Face for newsticker dates."
- :group 'newsticker-faces)
-
-;; (defface newsticker-default-face
-;; '((((class color) (background dark))
-;; (:inherit default))
-;; (((class color) (background light))
-;; (:inherit default)))
-;; "Face for the description of news items."
-;; ;;:set 'newsticker--set-customvar
-;; :group 'newsticker-faces)
-
-
-;; customization group ticker
-(defgroup newsticker-ticker nil
- "Settings for the headline ticker."
- :group 'newsticker)
-
-(defcustom newsticker-display-interval
- 0.3
- "Time interval for displaying news items in the echo area (seconds).
-If equal or less than 0 no messages are shown in the echo area. For
-smooth display (see `newsticker-scroll-smoothly') a value of 0.3 seems
-reasonable. For non-smooth display a value of 10 is a good starting
-point."
- :type 'number
- :set 'newsticker--set-customvar
- :group 'newsticker-ticker)
-
-(defcustom newsticker-scroll-smoothly
- t
- "Decides whether to flash or scroll news items.
-If t the news headlines are scrolled (more-or-less) smoothly in the echo
-area. If nil one headline after another is displayed in the echo area.
-The variable `newsticker-display-interval' determines how fast this
-display moves/changes and whether headlines are shown in the echo area
-at all. If you change `newsticker-scroll-smoothly' you should also change
-`newsticker-display-interval'."
- :type 'boolean
- :group 'newsticker-ticker)
-
-(defcustom newsticker-hide-immortal-items-in-echo-area
- t
- "Decides whether to show immortal/non-expiring news items in the ticker.
-If t the echo area will not show immortal items. See also
-`newsticker-hide-old-items-in-echo-area'."
- :type 'boolean
- :set 'newsticker--set-customvar
- :group 'newsticker-ticker)
-
-(defcustom newsticker-hide-old-items-in-echo-area
- t
- "Decides whether to show only the newest news items in the ticker.
-If t the echo area will show only new items, i.e. only items which have
-been added between the last two retrievals."
- :type 'boolean
- :set 'newsticker--set-customvar
- :group 'newsticker-ticker)
-
-(defcustom newsticker-hide-obsolete-items-in-echo-area
- t
- "Decides whether to show obsolete items items in the ticker.
-If t the echo area will not show obsolete items. See also
-`newsticker-hide-old-items-in-echo-area'."
- :type 'boolean
- :set 'newsticker--set-customvar
- :group 'newsticker-ticker)
-
-(defgroup newsticker-hooks nil
- "Settings for newsticker hooks."
- :group 'newsticker)
-
-(defcustom newsticker-start-hook
- nil
- "Hook run when starting newsticker.
-This hook is run at the very end of `newsticker-start'."
- :options '(newsticker-start-ticker)
- :type 'hook
- :group 'newsticker-hooks)
-
-(defcustom newsticker-stop-hook
- nil
- "Hook run when stopping newsticker.
-This hook is run at the very end of `newsticker-stop'."
- :options nil
- :type 'hook
- :group 'newsticker-hooks)
-
-(defcustom newsticker-new-item-functions
- nil
- "List of functions run after a new headline has been retrieved.
-Each function is called with the following three arguments:
-FEED the name of the corresponding news feed,
-TITLE the title of the headline,
-DESC the decoded description of the headline.
-
-See `newsticker-download-images', and
-`newsticker-download-enclosures' for sample functions.
-
-Please note that these functions are called only once for a
-headline after it has been retrieved for the first time."
- :type 'hook
- :options '(newsticker-download-images
- newsticker-download-enclosures)
- :group 'newsticker-hooks)
-
-(defcustom newsticker-select-item-hook
- 'newsticker--buffer-make-item-completely-visible
- "List of functions run after a headline has been selected.
-Each function is called after one of `newsticker-next-item',
-`newsticker-next-new-item', `newsticker-previous-item',
-`newsticker-previous-new-item' has been called.
-
-The default value 'newsticker--buffer-make-item-completely-visible
-assures that the current item is always completely visible."
- :type 'hook
- :options '(newsticker--buffer-make-item-completely-visible)
- :group 'newsticker-hooks)
-
-(defcustom newsticker-select-feed-hook
- 'newsticker--buffer-make-item-completely-visible
- "List of functions run after a feed has been selected.
-Each function is called after one of `newsticker-next-feed', and
-`newsticker-previous-feed' has been called.
-
-The default value 'newsticker--buffer-make-item-completely-visible
-assures that the current feed is completely visible."
- :type 'hook
- :options '(newsticker--buffer-make-item-completely-visible)
- :group 'newsticker-hooks)
-
-(defcustom newsticker-buffer-change-hook
- 'newsticker-w3m-show-inline-images
- "List of functions run after the newsticker buffer has been updated.
-Each function is called after `newsticker-buffer-update' has been called.
-
-The default value '`newsticker-w3m-show-inline-images' loads inline
-images."
- :type 'hook
- :group 'newsticker-hooks)
-
-(defcustom newsticker-narrow-hook
- 'newsticker-w3m-show-inline-images
- "List of functions run after narrowing in newsticker buffer has changed.
-Each function is called after
-`newsticker-toggle-auto-narrow-to-feed' or
-`newsticker-toggle-auto-narrow-to-item' has been called.
-
-The default value '`newsticker-w3m-show-inline-images' loads inline
-images."
- :type 'hook
- :group 'newsticker-hooks)
-
-(defgroup newsticker-miscellaneous nil
- "Miscellaneous newsticker settings."
- :group 'newsticker)
-
-(defcustom newsticker-cache-filename
- "~/.newsticker-cache"
- "Name of the newsticker cache file."
- :type 'string
- :group 'newsticker-miscellaneous)
-
-(defcustom newsticker-imagecache-dirname
- "~/.newsticker-images"
- "Name of the directory where newsticker stores cached images."
- :type 'string
- :group 'newsticker-miscellaneous)
-
-;; debugging
-(defcustom newsticker-debug
- nil
- "Enables some features needed for debugging newsticker.el.
-
-If set to t newsticker.el will print lots of debugging messages, and the
-buffers *newsticker-wget-<feed>* will not be closed."
- :type 'boolean
- ;;:set 'newsticker--set-customvar
- :group 'newsticker-miscellaneous)
-
-;; ======================================================================
-;;; Compatibility section, XEmacs, Emacs
-;; ======================================================================
-(unless (fboundp 'time-add)
- (require 'time-date);;FIXME
- (defun time-add (t1 t2)
- (seconds-to-time (+ (time-to-seconds t1) (time-to-seconds t2)))))
-
-(unless (fboundp 'match-string-no-properties)
- (defalias 'match-string-no-properties 'match-string))
-
-(when (featurep 'xemacs)
- (unless (fboundp 'replace-regexp-in-string)
- (defun replace-regexp-in-string (re rp st)
- (save-match-data ;; apparently XEmacs needs save-match-data
- (replace-in-string st re rp)))))
-
-;; copied from subr.el
-(unless (fboundp 'add-to-invisibility-spec)
- (defun add-to-invisibility-spec (arg)
- "Add elements to `buffer-invisibility-spec'.
-See documentation for `buffer-invisibility-spec' for the kind of elements
-that can be added."
- (if (eq buffer-invisibility-spec t)
- (setq buffer-invisibility-spec (list t)))
- (setq buffer-invisibility-spec
- (cons arg buffer-invisibility-spec))))
-
-;; copied from subr.el
-(unless (fboundp 'remove-from-invisibility-spec)
- (defun remove-from-invisibility-spec (arg)
- "Remove elements from `buffer-invisibility-spec'."
- (if (consp buffer-invisibility-spec)
- (setq buffer-invisibility-spec
- (delete arg buffer-invisibility-spec)))))
-
-;; ======================================================================
-;;; Internal variables
-;; ======================================================================
-(defvar newsticker--item-list nil
- "List of newsticker items.")
-(defvar newsticker--item-position 0
- "Actual position in list of newsticker items.")
-(defvar newsticker--prev-message "There was no previous message yet!"
- "Last message that the newsticker displayed.")
-(defvar newsticker--scrollable-text ""
- "The text which is scrolled smoothly in the echo area.")
-(defvar newsticker--buffer-uptodate-p nil
- "Tells whether the newsticker buffer is up to date.")
-(defvar newsticker--latest-update-time (current-time)
- "The time at which the latest news arrived.")
-(defvar newsticker--process-ids nil
- "List of PIDs of active newsticker processes.")
-
-(defvar newsticker--cache nil "Cached newsticker data.
-This is a list of the form
-
- ((label1
- (title description link time age index preformatted-contents
- preformatted-title)
- ...)
- (label2
- (title description link time age index preformatted-contents
- preformatted-title)
- ...)
- ...)
-
-where LABEL is a symbol. TITLE, DESCRIPTION, and LINK are
-strings. TIME is a time value as returned by `current-time'.
-AGE is a symbol: 'new, 'old, 'immortal, and 'obsolete denote
-ordinary news items, whereas 'feed denotes an item which is not a
-headline but describes the feed itself. INDEX denotes the
-original position of the item -- used for restoring the original
-order. PREFORMATTED-CONTENTS and PREFORMATTED-TITLE hold the
-formatted contents of the item's description and title. This
-speeds things up if HTML rendering is used, which is rather
-slow.")
-
-(defvar newsticker--auto-narrow-to-feed nil
- "Automatically narrow to current news feed.
-If non-nil only the items of the current news feed are visible.")
-
-(defvar newsticker--auto-narrow-to-item nil
- "Automatically narrow to current news item.
-If non-nil only the current headline is visible.")
-
-(defconst newsticker--error-headline
- "[COULD NOT DOWNLOAD HEADLINES!]"
- "Title of error headline which will be inserted if news retrieval fails.")
-
-;; ======================================================================
-;;; Toolbar
-;; ======================================================================
-(defconst newsticker--next-item-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * next_xpm[] = {
-\"24 24 42 1\",
-\" c None\",
-\". c #000000\",
-\"+ c #7EB6DE\",
-\"@ c #82BBE2\",
-\"# c #85BEE4\",
-\"$ c #88C1E7\",
-\"% c #8AC3E8\",
-\"& c #87C1E6\",
-\"* c #8AC4E9\",
-\"= c #8CC6EA\",
-\"- c #8CC6EB\",
-\"; c #88C2E7\",
-\"> c #8BC5E9\",
-\", c #8DC7EB\",
-\"' c #87C0E6\",
-\") c #8AC4E8\",
-\"! c #8BC5EA\",
-\"~ c #8BC4E9\",
-\"{ c #88C1E6\",
-\"] c #89C3E8\",
-\"^ c #86BFE5\",
-\"/ c #83BBE2\",
-\"( c #82BBE1\",
-\"_ c #86C0E5\",
-\": c #87C0E5\",
-\"< c #83BCE2\",
-\"[ c #81B9E0\",
-\"} c #81BAE1\",
-\"| c #78B0D9\",
-\"1 c #7BB3DB\",
-\"2 c #7DB5DD\",
-\"3 c #7DB6DD\",
-\"4 c #72A9D4\",
-\"5 c #75ACD6\",
-\"6 c #76AED7\",
-\"7 c #77AFD8\",
-\"8 c #6BA1CD\",
-\"9 c #6EA4CF\",
-\"0 c #6FA6D1\",
-\"a c #6298C6\",
-\"b c #659BC8\",
-\"c c #5C91C0\",
-\" \",
-\" \",
-\" . \",
-\" .. \",
-\" .+. \",
-\" address@hidden \",
-\" .#$%. \",
-\" .&*=-. \",
-\" .;>,,,. \",
-\" .;>,,,=. \",
-\" .')!==~;. \",
-\" .#{]*%;^/. \",
-\" .(#_':#<. \",
-\" .+[@</}. \",
-\" .|1232. \",
-\" .4567. \",
-\" .890. \",
-\" .ab. \",
-\" .c. \",
-\" .. \",
-\" . \",
-\" \",
-\" \",
-\" \"};
-"
- 'xpm t)
- "Image for the next item button."))
-
-(defconst newsticker--previous-item-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * previous_xpm[] = {
-\"24 24 39 1\",
-\" c None\",
-\". c #000000\",
-\"+ c #7BB3DB\",
-\"@ c #83BCE2\",
-\"# c #7FB8DF\",
-\"$ c #89C2E7\",
-\"% c #86BFE5\",
-\"& c #83BBE2\",
-\"* c #8CC6EA\",
-\"= c #8BC4E9\",
-\"- c #88C2E7\",
-\"; c #85BEE4\",
-\"> c #8DC7EB\",
-\", c #89C3E8\",
-\"' c #8AC4E8\",
-\") c #8BC5EA\",
-\"! c #88C1E6\",
-\"~ c #8AC4E9\",
-\"{ c #8AC3E8\",
-\"] c #86C0E5\",
-\"^ c #87C0E6\",
-\"/ c #87C0E5\",
-\"( c #82BBE2\",
-\"_ c #81BAE1\",
-\": c #7FB7DF\",
-\"< c #7DB6DD\",
-\"[ c #7DB5DD\",
-\"} c #7CB4DC\",
-\"| c #79B1DA\",
-\"1 c #76ADD7\",
-\"2 c #77AFD8\",
-\"3 c #73AAD4\",
-\"4 c #70A7D1\",
-\"5 c #6EA5D0\",
-\"6 c #6CA2CE\",
-\"7 c #689ECB\",
-\"8 c #6399C7\",
-\"9 c #6095C4\",
-\"0 c #5C90C0\",
-\" \",
-\" \",
-\" . \",
-\" .. \",
-\" .+. \",
-\" address@hidden \",
-\" .$%&. \",
-\" .*=-;. \",
-\" .>>*,%. \",
-\" .>>>*,%. \",
-\" .')**=-;. \",
-\" .;!,~{-%&. \",
-\" .;]^/;@#. \",
-\" .(@&_:+. \",
-\" .<[}|1. \",
-\" .2134. \",
-\" .567. \",
-\" .89. \",
-\" .0. \",
-\" .. \",
-\" . \",
-\" \",
-\" \",
-\" \"};
-"
- 'xpm t)
- "Image for the previous item button."))
-
-(defconst newsticker--previous-feed-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * prev_feed_xpm[] = {
-\"24 24 52 1\",
-\" c None\",
-\". c #000000\",
-\"+ c #70A7D2\",
-\"@ c #75ADD6\",
-\"# c #71A8D3\",
-\"$ c #79B1DA\",
-\"% c #7BB3DB\",
-\"& c #7DB5DD\",
-\"* c #83BBE2\",
-\"= c #7EB6DE\",
-\"- c #78B0D9\",
-\"; c #7FB7DE\",
-\"> c #88C2E7\",
-\", c #85BEE4\",
-\"' c #80B9E0\",
-\") c #80B8DF\",
-\"! c #8CC6EA\",
-\"~ c #89C3E8\",
-\"{ c #86BFE5\",
-\"] c #81BAE1\",
-\"^ c #7CB4DC\",
-\"/ c #7FB8DF\",
-\"( c #8DC7EB\",
-\"_ c #7BB3DC\",
-\": c #7EB7DE\",
-\"< c #8BC4E9\",
-\"[ c #8AC4E9\",
-\"} c #8AC3E8\",
-\"| c #87C0E6\",
-\"1 c #87C0E5\",
-\"2 c #83BCE2\",
-\"3 c #75ACD6\",
-\"4 c #7FB7DF\",
-\"5 c #77AED8\",
-\"6 c #71A8D2\",
-\"7 c #70A7D1\",
-\"8 c #76ADD7\",
-\"9 c #6CA2CE\",
-\"0 c #699FCC\",
-\"a c #73AAD4\",
-\"b c #6BA1CD\",
-\"c c #669CC9\",
-\"d c #6298C5\",
-\"e c #689ECB\",
-\"f c #6499C7\",
-\"g c #6095C3\",
-\"h c #5C91C0\",
-\"i c #5E93C2\",
-\"j c #5B90C0\",
-\"k c #588CBC\",
-\"l c #578CBC\",
-\"m c #5589BA\",
-\" \",
-\" \",
-\" ... . \",
-\" .+. .. \",
-\" address@hidden .#. \",
-\" .$. address@hidden \",
-\" .&. .*=-. \",
-\" .;. .>,'%. \",
-\" .). .!~{]^. \",
-\" ./. .(!~{]_. \",
-\" .:. .!!<>,'%. \",
-\" .&. .~[}>{*=-. \",
-\" .$. .|1,2/address@hidden \",
-\" .3. .*]4%56. \",
-\" .7. .^$8#9. \",
-\" .0. .a7bc. \",
-\" .d. .efg. \",
-\" .h. .ij. \",
-\" .k. .l. \",
-\" .m. .. \",
-\" ... . \",
-\" \",
-\" \",
-\" \"};
-"
- 'xpm t)
- "Image for the previous feed button."))
-
-(defconst newsticker--next-feed-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * next_feed_xpm[] = {
-\"24 24 57 1\",
-\" c None\",
-\". c #000000\",
-\"+ c #6CA2CE\",
-\"@ c #75ADD6\",
-\"# c #71A8D3\",
-\"$ c #79B1DA\",
-\"% c #7EB7DE\",
-\"& c #7DB5DD\",
-\"* c #81BAE1\",
-\"= c #85BEE4\",
-\"- c #78B0D9\",
-\"; c #7FB7DE\",
-\"> c #83BCE3\",
-\", c #87C1E6\",
-\"' c #8AC4E9\",
-\") c #7BB3DB\",
-\"! c #80B8DF\",
-\"~ c #88C2E7\",
-\"{ c #8BC5E9\",
-\"] c #8DC7EB\",
-\"^ c #7CB4DC\",
-\"/ c #7FB8DF\",
-\"( c #84BDE3\",
-\"_ c #7BB3DC\",
-\": c #83BCE2\",
-\"< c #87C0E6\",
-\"[ c #8AC4E8\",
-\"} c #8BC5EA\",
-\"| c #8CC6EA\",
-\"1 c #88C1E6\",
-\"2 c #89C3E8\",
-\"3 c #8AC3E8\",
-\"4 c #7EB6DE\",
-\"5 c #82BBE1\",
-\"6 c #86C0E5\",
-\"7 c #87C0E5\",
-\"8 c #75ACD6\",
-\"9 c #7AB2DA\",
-\"0 c #81B9E0\",
-\"a c #82BBE2\",
-\"b c #71A8D2\",
-\"c c #70A7D1\",
-\"d c #74ACD6\",
-\"e c #699FCC\",
-\"f c #6EA5D0\",
-\"g c #72A9D4\",
-\"h c #669CC9\",
-\"i c #6298C5\",
-\"j c #679DCA\",
-\"k c #6BA1CD\",
-\"l c #6095C3\",
-\"m c #5C91C0\",
-\"n c #5F94C2\",
-\"o c #5B90C0\",
-\"p c #588CBC\",
-\"q c #578CBC\",
-\"r c #5589BA\",
-\" \",
-\" \",
-\" . ... \",
-\" .. .+. \",
-\" address@hidden .#. \",
-\" .$%. address@hidden \",
-\" .&*=. .-. \",
-\" .;>,'. .). \",
-\" .!=~{]. .^. \",
-\" ./(~{]]. ._. \",
-\" .%:<[}||. .). \",
-\" .&*=12'3~. .-. \",
-\" .$45=6<7. address@hidden \",
-\" .8940a:. .b. \",
-\" .cd-)&. .+. \",
-\" .efg8. .h. \",
-\" .ijk. .l. \",
-\" .mn. .o. \",
-\" .p. .q. \",
-\" .. .r. \",
-\" . ... \",
-\" \",
-\" \",
-\" \"};
-"
- 'xpm t)
- "Image for the next feed button."))
-
-(defconst newsticker--mark-read-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * mark_read_xpm[] = {
-\"24 24 44 1\",
-\" c None\",
-\". c #C20000\",
-\"+ c #BE0000\",
-\"@ c #C70000\",
-\"# c #CE0000\",
-\"$ c #C90000\",
-\"% c #BD0000\",
-\"& c #CB0000\",
-\"* c #D10000\",
-\"= c #D70000\",
-\"- c #D30000\",
-\"; c #CD0000\",
-\"> c #C60000\",
-\", c #D40000\",
-\"' c #DA0000\",
-\") c #DE0000\",
-\"! c #DB0000\",
-\"~ c #D60000\",
-\"{ c #D00000\",
-\"] c #DC0000\",
-\"^ c #E00000\",
-\"/ c #E40000\",
-\"( c #E10000\",
-\"_ c #DD0000\",
-\": c #D80000\",
-\"< c #E50000\",
-\"[ c #E70000\",
-\"} c #E60000\",
-\"| c #E20000\",
-\"1 c #E90000\",
-\"2 c #E80000\",
-\"3 c #E30000\",
-\"4 c #DF0000\",
-\"5 c #D90000\",
-\"6 c #CC0000\",
-\"7 c #C10000\",
-\"8 c #C30000\",
-\"9 c #BF0000\",
-\"0 c #B90000\",
-\"a c #BC0000\",
-\"b c #BB0000\",
-\"c c #B80000\",
-\"d c #B50000\",
-\"e c #B70000\",
-\" \",
-\" \",
-\" \",
-\" . + \",
-\" address@hidden $.% \",
-\" &*= -;> \",
-\" ,') !~{ \",
-\" ]^/ (_: \",
-\" (<[ }|) \",
-\" <[1 2<| \",
-\" }222[< \",
-\" }}}< \",
-\" 333| \",
-\" _4^4)] \",
-\" ~:' 5=- \",
-\" 6{- *#$ \",
-\" 7>$ @89 \",
-\" 0a+ %bc \",
-\" ddc edd \",
-\" ddd ddd \",
-\" d d \",
-\" \",
-\" \",
-\" \"};
-"
- 'xpm t)
- "Image for the next feed button."))
-
-(defconst newsticker--mark-immortal-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * mark_immortal_xpm[] = {
-\"24 24 93 2\",
-\" c None\",
-\". c #171717\",
-\"+ c #030303\",
-\"@ c #000000\",
-\"# c #181818\",
-\"$ c #090909\",
-\"% c #FFC960\",
-\"& c #FFCB61\",
-\"* c #FFCB62\",
-\"= c #FFC961\",
-\"- c #FFC75F\",
-\"; c #FFC65E\",
-\"> c #FFCA61\",
-\", c #FFCD63\",
-\"' c #FFCF65\",
-\") c #FFD065\",
-\"! c #FFCE64\",
-\"~ c #FFC35C\",
-\"{ c #FFC45D\",
-\"] c #FFD166\",
-\"^ c #FFD267\",
-\"/ c #FFD368\",
-\"( c #FFD167\",
-\"_ c #FFC05A\",
-\": c #010101\",
-\"< c #040404\",
-\"[ c #FFCC62\",
-\"} c #FFD569\",
-\"| c #FFD56A\",
-\"1 c #FFC860\",
-\"2 c #FFC25B\",
-\"3 c #FFBB56\",
-\"4 c #020202\",
-\"5 c #060606\",
-\"6 c #FFC15B\",
-\"7 c #FFC85F\",
-\"8 c #FFD469\",
-\"9 c #FFD66A\",
-\"0 c #FFBC57\",
-\"a c #1B1B1B\",
-\"b c #070707\",
-\"c c #FFBA55\",
-\"d c #FFB451\",
-\"e c #FFB954\",
-\"f c #FFB350\",
-\"g c #FFB652\",
-\"h c #FFBE58\",
-\"i c #FFCD64\",
-\"j c #FFD066\",
-\"k c #FFC059\",
-\"l c #FFB14E\",
-\"m c #0B0B0B\",
-\"n c #FFBB55\",
-\"o c #FFC15A\",
-\"p c #FFB552\",
-\"q c #FFAD4B\",
-\"r c #080808\",
-\"s c #FFAF4C\",
-\"t c #FFB853\",
-\"u c #FFA948\",
-\"v c #050505\",
-\"w c #FFB04E\",
-\"x c #FFB753\",
-\"y c #FFBC56\",
-\"z c #FFC55D\",
-\"A c #FFC55E\",
-\"B c #FFC45C\",
-\"C c #FFBD57\",
-\"D c #FFB854\",
-\"E c #FFB34F\",
-\"F c #FFAB4A\",
-\"G c #FFA545\",
-\"H c #FFAA49\",
-\"I c #FFB04D\",
-\"J c #FFB551\",
-\"K c #FFBF58\",
-\"L c #FFB24F\",
-\"M c #FFAC4A\",
-\"N c #FFA646\",
-\"O c #FFA344\",
-\"P c #FFA848\",
-\"Q c #FFB14F\",
-\"R c #FFAF4D\",
-\"S c #FFA546\",
-\"T c #FFA243\",
-\"U c #FFA445\",
-\"V c #FFAE4C\",
-\"W c #FFA444\",
-\"X c #FFA142\",
-\"Y c #FF9F41\",
-\"Z c #0A0A0A\",
-\"` c #FF9E40\",
-\" . c #FF9F40\",
-\" \",
-\" \",
-\" \",
-\" . + @ @ + # \",
-\" $ @ % & * * = - + + \",
-\" @ ; > , ' ) ' ! * - ~ @ \",
-\" @ { > ! ] ^ / / ( ' * ; _ : \",
-\" < _ ; [ ) / } | } / ] , 1 2 3 4 \",
-\" 5 6 7 , ] 8 9 9 9 } ^ ! = ~ 0 a \",
-\" b c 6 - , ] 8 9 9 9 } ^ ! % ~ 0 d 5 \",
-\" : e _ ; * ) / 8 } } / ] , 1 2 3 f 5 \",
-\" : g h { = i j ^ / ^ ] ! * ; k e l m \",
-\" : f n o ; > , ' ) ' ! * - 2 0 p q r \",
-\" : s g 0 6 ; % > * * = - ~ h t l u r \",
-\" v u w x y k ~ z A z B o C D E F G b \",
-\" 5 H I J e 0 h K h C c x L M N . \",
-\" 4 O P q Q d g x g J L R H S T < \",
-\" @ T U P F q V q M H N W X + \",
-\" @ Y T O W G G W O X Y @ \",
-\" 4 Z ` Y Y Y .` 4 4 \",
-\" 5 : : @ @ Z \",
-\" \",
-\" \",
-\" \"};
-"
- 'xpm t)
- "Image for the next feed button."))
-
-
-(defconst newsticker--narrow-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * narrow_xpm[] = {
-\"24 24 48 1\",
-\" c None\",
-\". c #000000\",
-\"+ c #969696\",
-\"@ c #9E9E9E\",
-\"# c #A4A4A4\",
-\"$ c #AAAAAA\",
-\"% c #AEAEAE\",
-\"& c #B1B1B1\",
-\"* c #B3B3B3\",
-\"= c #B4B4B4\",
-\"- c #B2B2B2\",
-\"; c #AFAFAF\",
-\"> c #ABABAB\",
-\", c #A6A6A6\",
-\"' c #A0A0A0\",
-\") c #989898\",
-\"! c #909090\",
-\"~ c #73AAD4\",
-\"{ c #7AB2DA\",
-\"] c #7FB8DF\",
-\"^ c #84BDE3\",
-\"/ c #88C2E7\",
-\"( c #8BC5E9\",
-\"_ c #8DC7EB\",
-\": c #8CC6EA\",
-\"< c #89C3E8\",
-\"[ c #86BFE5\",
-\"} c #81BAE1\",
-\"| c #7BB3DC\",
-\"1 c #75ACD6\",
-\"2 c #6DA4CF\",
-\"3 c #979797\",
-\"4 c #A3A3A3\",
-\"5 c #A8A8A8\",
-\"6 c #ADADAD\",
-\"7 c #ACACAC\",
-\"8 c #A9A9A9\",
-\"9 c #A5A5A5\",
-\"0 c #9A9A9A\",
-\"a c #929292\",
-\"b c #8C8C8C\",
-\"c c #808080\",
-\"d c #818181\",
-\"e c #838383\",
-\"f c #848484\",
-\"g c #858585\",
-\"h c #868686\",
-\"i c #828282\",
-\" \",
-\" \",
-\" \",
-\" .................. \",
-\" address@hidden&*=*-;>,')!. \",
-\" .................. \",
-\" \",
-\" \",
-\" .................. \",
-\" .~{]^/(___:<[}|12. \",
-\" .................. \",
-\" \",
-\" \",
-\" .................. \",
-\" address@hidden>666789'0ab. \",
-\" .................. \",
-\" \",
-\" \",
-\" .................. \",
-\" .cccdefghhgficccc. \",
-\" .................. \",
-\" \",
-\" \",
-\" \"};
-"
- 'xpm t)
- "Image for the next feed button."))
-
-(defconst newsticker--get-all-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * get_all_xpm[] = {
-\"24 24 70 1\",
-\" c None\",
-\". c #000000\",
-\"+ c #F3DA00\",
-\"@ c #F5DF00\",
-\"# c #F7E300\",
-\"$ c #F9E700\",
-\"% c #FAEA00\",
-\"& c #FBEC00\",
-\"* c #FBED00\",
-\"= c #FCEE00\",
-\"- c #FAEB00\",
-\"; c #F9E800\",
-\"> c #F8E500\",
-\", c #F6E000\",
-\"' c #F4DB00\",
-\") c #F1D500\",
-\"! c #EFD000\",
-\"~ c #B7CA00\",
-\"{ c #BFD100\",
-\"] c #C5D700\",
-\"^ c #CBDB00\",
-\"/ c #CFDF00\",
-\"( c #D2E200\",
-\"_ c #D4E400\",
-\": c #D3E300\",
-\"< c #D0E000\",
-\"[ c #CCDD00\",
-\"} c #C7D800\",
-\"| c #C1D300\",
-\"1 c #BACC00\",
-\"2 c #B1C500\",
-\"3 c #A8BC00\",
-\"4 c #20A900\",
-\"5 c #22AF00\",
-\"6 c #24B500\",
-\"7 c #26B900\",
-\"8 c #27BC00\",
-\"9 c #27BE00\",
-\"0 c #28BF00\",
-\"a c #27BD00\",
-\"b c #26BA00\",
-\"c c #25B600\",
-\"d c #23B100\",
-\"e c #21AB00\",
-\"f c #1FA400\",
-\"g c #1C9B00\",
-\"h c #21AA00\",
-\"i c #24B300\",
-\"j c #25B800\",
-\"k c #25B700\",
-\"l c #24B400\",
-\"m c #23B000\",
-\"n c #1FA500\",
-\"o c #1D9E00\",
-\"p c #20A800\",
-\"q c #21AC00\",
-\"r c #23B200\",
-\"s c #22AD00\",
-\"t c #1D9F00\",
-\"u c #20A700\",
-\"v c #1EA100\",
-\"w c #1C9C00\",
-\"x c #1DA000\",
-\"y c #1B9800\",
-\"z c #1A9600\",
-\"A c #1A9700\",
-\"B c #1A9500\",
-\"C c #199200\",
-\"D c #189100\",
-\"E c #178C00\",
-\" \",
-\" \",
-\" \",
-\" \",
-\" ................... \",
-\" address@hidden&*=*&-;>,')!. \",
-\" ................... \",
-\" \",
-\" ................... \",
-\" .~{]^/(___:<[}|123. \",
-\" ................... \",
-\" \",
-\" ................... \",
-\" .45678909abcdefg. \",
-\" .h5icj7jklmeno. \",
-\" .pq5drrmshft. \",
-\" .fu4h4pnvw. \",
-\" .oxvxtwy. \",
-\" .zAAzB. \",
-\" .CCD. \",
-\" .E. \",
-\" . \",
-\" \",
-\" \"};
-"
- 'xpm t)
- "Image for the next feed button."))
-
-
-(defconst newsticker--update-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * update_xpm[] = {
-\"24 24 37 1\",
-\" c None\",
-\". c #076D00\",
-\"+ c #0A8600\",
-\"@ c #0A8800\",
-\"# c #098400\",
-\"$ c #087200\",
-\"% c #087900\",
-\"& c #098500\",
-\"* c #098100\",
-\"= c #087600\",
-\"- c #097E00\",
-\"; c #097F00\",
-\"> c #0A8700\",
-\", c #0A8C00\",
-\"' c #097C00\",
-\") c #098300\",
-\"! c #0A8900\",
-\"~ c #0A8E00\",
-\"{ c #0B9200\",
-\"] c #087700\",
-\"^ c #076E00\",
-\"/ c #076C00\",
-\"( c #076B00\",
-\"_ c #076A00\",
-\": c #076900\",
-\"< c #076800\",
-\"[ c #066700\",
-\"} c #066500\",
-\"| c #066400\",
-\"1 c #066300\",
-\"2 c #066600\",
-\"3 c #066200\",
-\"4 c #076700\",
-\"5 c #065E00\",
-\"6 c #066100\",
-\"7 c #065F00\",
-\"8 c #066000\",
-\" \",
-\" \",
-\" \",
-\" . +@@@+# \",
-\" $% &@ +* \",
-\" =-# ; \",
-\" %*>, ' \",
-\" ')!~{ = \",
-\" ]$ \",
-\" ^ ^ \",
-\" . . \",
-\" / ( \",
-\" _ : \",
-\" < [ \",
-\" } | \",
-\" [[ \",
-\" 1 $.:23 \",
-\" 3 4}35 \",
-\" 6 655 \",
-\" 76 85 55 \",
-\" 5555555 5 \",
-\" \",
-\" \",
-\" \"};
-"
- 'xpm t)
- "Image for the update button."))
-
-(defconst newsticker--browse-image
- (if (fboundp 'create-image)
- (create-image "/* XPM */
-static char * visit_xpm[] = {
-\"24 24 39 1\",
-\" c None\",
-\". c #000000\",
-\"+ c #FFFFFF\",
-\"@ c #00E63D\",
-\"# c #00E83E\",
-\"$ c #00E73D\",
-\"% c #00E93E\",
-\"& c #00E63C\",
-\"* c #00E53C\",
-\"= c #00E23B\",
-\"- c #00E33B\",
-\"; c #00E83D\",
-\"> c #00E13A\",
-\", c #00DD38\",
-\"' c #00DE38\",
-\") c #00E23A\",
-\"! c #00E43C\",
-\"~ c #00DF39\",
-\"{ c #00DB37\",
-\"] c #00D634\",
-\"^ c #00D734\",
-\"/ c #00E039\",
-\"( c #00DC37\",
-\"_ c #00D835\",
-\": c #00D332\",
-\"< c #00CD2F\",
-\"[ c #00DB36\",
-\"} c #00D433\",
-\"| c #00CF30\",
-\"1 c #00DA36\",
-\"2 c #00D936\",
-\"3 c #00D533\",
-\"4 c #00D131\",
-\"5 c #00CE2F\",
-\"6 c #00CC2F\",
-\"7 c #00CA2D\",
-\"8 c #00C62B\",
-\"9 c #00C52A\",
-\"0 c #00BE27\",
-\" \",
-\" \",
-\" . \",
-\" .+. \",
-\" .+++. \",
-\" .++.++. \",
-\" address@hidden \",
-\" .++.##$.++. \",
-\" .++.%%%#&.++. \",
-\" .++.$%%%#*=.++. \",
-\" .++.-@;##$*>,.++. \",
-\" .++.')!&@@*=~{].++. \",
-\" .++.^{~>---)/(_:<.++. \",
-\" .++.^[,~/~'(_}|.++. \",
-\" .++.]_1[12^:|.++. \",
-\" .++.:}33:45.++. \",
-\" .++.<5567.++. \",
-\" .++.889.++. \",
-\" .++.0.++. \",
-\" .++.++. \",
-\" .+++. \",
-\" .+. \",
-\" . \",
-\" \"};
-"
- 'xpm t)
- "Image for the browse button."))
-
-
-(defvar newsticker-tool-bar-map
- (if (featurep 'xemacs)
- nil
- (let ((tool-bar-map (make-sparse-keymap)))
- (define-key tool-bar-map [newsticker-sep-1]
- (list 'menu-item "--double-line"))
- (define-key tool-bar-map [newsticker-browse-url]
- (list 'menu-item "newsticker-browse-url" 'newsticker-browse-url
- :visible t
- :help "Browse URL for item at point"
- :image newsticker--browse-image))
- (define-key tool-bar-map [newsticker-buffer-force-update]
- (list 'menu-item "newsticker-buffer-force-update"
- 'newsticker-buffer-force-update
- :visible t
- :help "Update newsticker buffer"
- :image newsticker--update-image
- :enable '(not newsticker--buffer-uptodate-p)))
- (define-key tool-bar-map [newsticker-get-all-news]
- (list 'menu-item "newsticker-get-all-news" 'newsticker-get-all-news
- :visible t
- :help "Get news for all feeds"
- :image newsticker--get-all-image))
- (define-key tool-bar-map [newsticker-mark-item-at-point-as-read]
- (list 'menu-item "newsticker-mark-item-at-point-as-read"
- 'newsticker-mark-item-at-point-as-read
- :visible t
- :image newsticker--mark-read-image
- :help "Mark current item as read"
- :enable '(newsticker-item-not-old-p)))
- (define-key tool-bar-map [newsticker-mark-item-at-point-as-immortal]
- (list 'menu-item "newsticker-mark-item-at-point-as-immortal"
- 'newsticker-mark-item-at-point-as-immortal
- :visible t
- :image newsticker--mark-immortal-image
- :help "Mark current item as immortal"
- :enable '(newsticker-item-not-immortal-p)))
- (define-key tool-bar-map [newsticker-toggle-auto-narrow-to-feed]
- (list 'menu-item "newsticker-toggle-auto-narrow-to-feed"
- 'newsticker-toggle-auto-narrow-to-feed
- :visible t
- :help "Toggle visibility of other feeds"
- :image newsticker--narrow-image))
- (define-key tool-bar-map [newsticker-next-feed]
- (list 'menu-item "newsticker-next-feed" 'newsticker-next-feed
- :visible t
- :help "Go to next feed"
- :image newsticker--next-feed-image
- :enable '(newsticker-next-feed-available-p)))
- (define-key tool-bar-map [newsticker-next-item]
- (list 'menu-item "newsticker-next-item" 'newsticker-next-item
- :visible t
- :help "Go to next item"
- :image newsticker--next-item-image
- :enable '(newsticker-next-item-available-p)))
- (define-key tool-bar-map [newsticker-previous-item]
- (list 'menu-item "newsticker-previous-item" 'newsticker-previous-item
- :visible t
- :help "Go to previous item"
- :image newsticker--previous-item-image
- :enable '(newsticker-previous-item-available-p)))
- (define-key tool-bar-map [newsticker-previous-feed]
- (list 'menu-item "newsticker-previous-feed" 'newsticker-previous-feed
- :visible t
- :help "Go to previous feed"
- :image newsticker--previous-feed-image
- :enable '(newsticker-previous-feed-available-p)))
- ;; standard icons / actions
- (tool-bar-add-item "close"
- 'newsticker-close-buffer
- 'newsticker-close-buffer
- :help "Close newsticker buffer")
- (tool-bar-add-item "preferences"
- 'newsticker-customize
- 'newsticker-customize
- :help "Customize newsticker")
- tool-bar-map)))
-
-;; ======================================================================
-;;; Newsticker mode
-;; ======================================================================
-
-(define-derived-mode newsticker-mode fundamental-mode
- "NewsTicker"
- "Viewing news feeds in Emacs."
- (set (make-local-variable 'tool-bar-map) newsticker-tool-bar-map)
- (set (make-local-variable 'imenu-sort-function) nil)
- (set (make-local-variable 'scroll-conservatively) 999)
- (setq imenu-create-index-function 'newsticker--imenu-create-index)
- (setq imenu-default-goto-function 'newsticker--imenu-goto)
- (setq buffer-read-only t)
- (auto-fill-mode -1) ;; turn auto-fill off!
- (font-lock-mode -1) ;; turn off font-lock!!
- (set (make-local-variable 'font-lock-defaults) nil)
- (set (make-local-variable 'line-move-ignore-invisible) t)
- (setq mode-line-format
- (list "-"
- 'mode-line-mule-info
- 'mode-line-modified
- 'mode-line-frame-identification
- " Newsticker ("
- '(newsticker--buffer-uptodate-p
- "up to date"
- "NEED UPDATE")
- ") "
- '(:eval (format "[%d]" (length newsticker--process-ids)))
- " -- "
- '(:eval (newsticker--buffer-get-feed-title-at-point))
- ": "
- '(:eval (newsticker--buffer-get-item-title-at-point))
- " %-"))
- (add-to-invisibility-spec 't)
- (unless newsticker-show-all-news-elements
- (add-to-invisibility-spec 'extra))
- (newsticker--buffer-set-uptodate nil))
-
-;; refine its mode-map
-(define-key newsticker-mode-map "sO" 'newsticker-show-old-items)
-(define-key newsticker-mode-map "hO" 'newsticker-hide-old-items)
-(define-key newsticker-mode-map "sa" 'newsticker-show-all-desc)
-(define-key newsticker-mode-map "ha" 'newsticker-hide-all-desc)
-(define-key newsticker-mode-map "sf" 'newsticker-show-feed-desc)
-(define-key newsticker-mode-map "hf" 'newsticker-hide-feed-desc)
-(define-key newsticker-mode-map "so" 'newsticker-show-old-item-desc)
-(define-key newsticker-mode-map "ho" 'newsticker-hide-old-item-desc)
-(define-key newsticker-mode-map "sn" 'newsticker-show-new-item-desc)
-(define-key newsticker-mode-map "hn" 'newsticker-hide-new-item-desc)
-(define-key newsticker-mode-map "se" 'newsticker-show-entry)
-(define-key newsticker-mode-map "he" 'newsticker-hide-entry)
-(define-key newsticker-mode-map "sx" 'newsticker-show-extra)
-(define-key newsticker-mode-map "hx" 'newsticker-hide-extra)
-
-(define-key newsticker-mode-map " " 'scroll-up)
-(define-key newsticker-mode-map "q" 'newsticker-close-buffer)
-(define-key newsticker-mode-map "p" 'newsticker-previous-item)
-(define-key newsticker-mode-map "P" 'newsticker-previous-new-item)
-(define-key newsticker-mode-map "F" 'newsticker-previous-feed)
-(define-key newsticker-mode-map "\t" 'newsticker-next-item)
-(define-key newsticker-mode-map "n" 'newsticker-next-item)
-(define-key newsticker-mode-map "N" 'newsticker-next-new-item)
-(define-key newsticker-mode-map "f" 'newsticker-next-feed)
-(define-key newsticker-mode-map "M" 'newsticker-mark-all-items-as-read)
-(define-key newsticker-mode-map "m"
- 'newsticker-mark-all-items-at-point-as-read-and-redraw)
-(define-key newsticker-mode-map "o"
- 'newsticker-mark-item-at-point-as-read)
-(define-key newsticker-mode-map "O"
- 'newsticker-mark-all-items-at-point-as-read)
-(define-key newsticker-mode-map "G" 'newsticker-get-all-news)
-(define-key newsticker-mode-map "g" 'newsticker-get-news-at-point)
-(define-key newsticker-mode-map "u" 'newsticker-buffer-update)
-(define-key newsticker-mode-map "U" 'newsticker-buffer-force-update)
-(define-key newsticker-mode-map "a" 'newsticker-add-url)
-
-(define-key newsticker-mode-map "i"
- 'newsticker-mark-item-at-point-as-immortal)
-
-(define-key newsticker-mode-map "xf"
- 'newsticker-toggle-auto-narrow-to-feed)
-(define-key newsticker-mode-map "xi"
- 'newsticker-toggle-auto-narrow-to-item)
-
-;; maps for the clickable portions
-(defvar newsticker--url-keymap (make-sparse-keymap)
- "Key map for click-able headings in the newsticker buffer.")
-(define-key newsticker--url-keymap [mouse-2]
- 'newsticker-mouse-browse-url)
-(define-key newsticker--url-keymap "\n"
- 'newsticker-browse-url)
-(define-key newsticker--url-keymap "\C-m"
- 'newsticker-browse-url)
-(define-key newsticker--url-keymap [(control return)]
- 'newsticker-handle-url)
-
-;; newsticker menu
-(defvar newsticker-menu (make-sparse-keymap "Newsticker"))
-
-(define-key newsticker-menu [newsticker-browse-url]
- '("Browse URL for item at point" . newsticker-browse-url))
-(define-key newsticker-menu [newsticker-separator-1]
- '("--"))
-(define-key newsticker-menu [newsticker-buffer-update]
- '("Update buffer" . newsticker-buffer-update))
-(define-key newsticker-menu [newsticker-separator-2]
- '("--"))
-(define-key newsticker-menu [newsticker-get-all-news]
- '("Get news from all feeds" . newsticker-get-all-news))
-(define-key newsticker-menu [newsticker-get-news-at-point]
- '("Get news from feed at point" . newsticker-get-news-at-point))
-(define-key newsticker-menu [newsticker-separator-3]
- '("--"))
-(define-key newsticker-menu [newsticker-mark-all-items-as-read]
- '("Mark all items as read" . newsticker-mark-all-items-as-read))
-(define-key newsticker-menu [newsticker-mark-all-items-at-point-as-read]
- '("Mark all items in feed at point as read" .
- newsticker-mark-all-items-at-point-as-read))
-(define-key newsticker-menu [newsticker-mark-item-at-point-as-read]
- '("Mark item at point as read" .
- newsticker-mark-item-at-point-as-read))
-(define-key newsticker-menu [newsticker-mark-item-at-point-as-immortal]
- '("Toggle immortality for item at point" .
- newsticker-mark-item-at-point-as-immortal))
-(define-key newsticker-menu [newsticker-separator-4]
- '("--"))
-(define-key newsticker-menu [newsticker-toggle-auto-narrow-to-item]
- '("Narrow to single item" . newsticker-toggle-auto-narrow-to-item))
-(define-key newsticker-menu [newsticker-toggle-auto-narrow-to-feed]
- '("Narrow to single news feed" . newsticker-toggle-auto-narrow-to-feed))
-(define-key newsticker-menu [newsticker-hide-old-items]
- '("Hide old items" . newsticker-hide-old-items))
-(define-key newsticker-menu [newsticker-show-old-items]
- '("Show old items" . newsticker-show-old-items))
-(define-key newsticker-menu [newsticker-next-item]
- '("Go to next item" . newsticker-next-item))
-(define-key newsticker-menu [newsticker-previous-item]
- '("Go to previous item" . newsticker-previous-item))
-
-;; bind menu to mouse
-(define-key newsticker-mode-map [down-mouse-3] newsticker-menu)
-;; Put menu in menu-bar
-(define-key newsticker-mode-map [menu-bar Newsticker]
- (cons "Newsticker" newsticker-menu))
-
-
-;; ======================================================================
-;;; shortcuts
-;; ======================================================================
-(defsubst newsticker--title (item)
- "Return title of ITEM."
- (nth 0 item))
-(defsubst newsticker--desc (item)
- "Return description of ITEM."
- (nth 1 item))
-(defsubst newsticker--link (item)
- "Return link of ITEM."
- (nth 2 item))
-(defsubst newsticker--time (item)
- "Return time of ITEM."
- (nth 3 item))
-(defsubst newsticker--age (item)
- "Return age of ITEM."
- (nth 4 item))
-(defsubst newsticker--pos (item)
- "Return position/index of ITEM."
- (nth 5 item))
-(defsubst newsticker--preformatted-contents (item)
- "Return pre-formatted text of ITEM."
- (nth 6 item))
-(defsubst newsticker--preformatted-title (item)
- "Return pre-formatted title of ITEM."
- (nth 7 item))
-(defsubst newsticker--extra (item)
- "Return extra attributes of ITEM."
- (nth 8 item))
-(defsubst newsticker--guid (item)
- "Return guid of ITEM."
- (let ((guid (assoc 'guid (newsticker--extra item))))
- (if (stringp guid)
- guid
- (car (xml-node-children guid)))))
-(defsubst newsticker--enclosure (item)
- "Return enclosure element of ITEM in the form \(...FIXME...\) or nil."
- (let ((enclosure (assoc 'enclosure (newsticker--extra item))))
- (if enclosure
- (xml-node-attributes enclosure))))
-
-;; ======================================================================
-;;; User fun
-;; ======================================================================
-
-;;;###autoload
-(defun newsticker-start (&optional do-not-complain-if-running)
- "Start the newsticker.
-Start the timers for display and retrieval. If the newsticker, i.e. the
-timers, are running already a warning message is printed unless
-DO-NOT-COMPLAIN-IF-RUNNING is not nil.
-Run `newsticker-start-hook' if newsticker was not running already."
- (interactive)
- (let ((running (newsticker-running-p)))
- ;; read old cache if it exists and newsticker is not running
- (unless running
- (let* ((coding-system-for-read 'utf-8)
- (buf (find-file-noselect newsticker-cache-filename)))
- (when buf
- (set-buffer buf)
- (goto-char (point-min))
- (condition-case nil
- (setq newsticker--cache (read buf))
- (error
- (message "Error while reading newsticker cache file!")
- (setq newsticker--cache nil))))))
- ;; start retrieval timers -- for sake of simplicity we will start
- ;; one timer for each feed
- (mapc (lambda (item)
- (let* ((feed-name (car item))
- (start-time (nth 2 item))
- (interval (or (nth 3 item)
- newsticker-retrieval-interval))
- (timer (assoc (car item)
- newsticker--retrieval-timer-list)))
- (if timer
- (or do-not-complain-if-running
- (message "Timer for %s is running already!"
- feed-name))
- (newsticker--debug-msg "Starting timer for %s: %s, %d"
- feed-name start-time interval)
- ;; do not repeat retrieval if interval not positive
- (if (<= interval 0)
- (setq interval nil))
- ;; Suddenly XEmacs doesn't like start-time 0
- (if (or (not start-time)
- (and (numberp start-time) (= start-time 0)))
- (setq start-time 1))
- ;; (message "start-time %s" start-time)
- (setq timer (run-at-time start-time interval
- 'newsticker-get-news feed-name))
- (if interval
- (add-to-list 'newsticker--retrieval-timer-list
- (cons feed-name timer))))))
- (append newsticker-url-list-defaults newsticker-url-list))
- (unless running
- (run-hooks 'newsticker-start-hook)
- (message "Newsticker started!"))))
-
-;;;###autoload
-(defun newsticker-start-ticker ()
- "Start newsticker's ticker (but not the news retrieval).
-Start display timer for the actual ticker if wanted and not
-running already."
- (interactive)
- (if (and (> newsticker-display-interval 0)
- (not newsticker--display-timer))
- (setq newsticker--display-timer
- (run-at-time newsticker-display-interval
- newsticker-display-interval
- 'newsticker--display-tick))))
-
-(defun newsticker-stop ()
- "Stop the newsticker and the newsticker-ticker.
-Cancel the timers for display and retrieval. Run `newsticker-stop-hook'
-if newsticker has been running."
- (interactive)
- (newsticker--cache-update t)
- (newsticker-stop-ticker)
- (when (newsticker-running-p)
- (mapc (lambda (name-and-timer)
- (cancel-timer (cdr name-and-timer)))
- newsticker--retrieval-timer-list)
- (setq newsticker--retrieval-timer-list nil)
- (run-hooks 'newsticker-stop-hook)
- (message "Newsticker stopped!")))
-
-(defun newsticker-stop-ticker ()
- "Stop newsticker's ticker (but not the news retrieval)."
- (interactive)
- (when newsticker--display-timer
- (cancel-timer newsticker--display-timer)
- (setq newsticker--display-timer nil)))
-
-;; the functions we need for retrieval and display
-;;;###autoload
-(defun newsticker-show-news ()
- "Switch to newsticker buffer. You may want to bind this to a key."
- (interactive)
- (newsticker-start t) ;; will start only if not running
- (newsticker-buffer-update)
- (switch-to-buffer "*newsticker*"))
-
-(defun newsticker-buffer-force-update ()
- "Update the newsticker buffer, even if not necessary."
- (interactive)
- (newsticker-buffer-update t))
-
-(defun newsticker-buffer-update (&optional force)
- "Update the *newsticker* buffer.
-Unless FORCE is t this is done only if necessary, i.e. when the
-*newsticker* buffer is not up-to-date."
- (interactive)
- ;; bring cache data into proper order....
- (newsticker--cache-sort)
- ;; fill buffer
- (save-excursion
- (let ((buf (get-buffer "*newsticker*")))
- (if buf
- (switch-to-buffer buf)
- (switch-to-buffer (get-buffer-create "*newsticker*"))
- (newsticker--buffer-set-uptodate nil)))
- (when (or force
- (not newsticker--buffer-uptodate-p))
- (message "Preparing newsticker buffer...")
- (setq buffer-undo-list t)
- (let ((inhibit-read-only t))
- (set-buffer-modified-p nil)
- (erase-buffer)
- (newsticker-mode)
- ;; Emacs 21.3.50 does not care if we turn off auto-fill in the
- ;; definition of newsticker-mode, so we do it here (again)
- (auto-fill-mode -1)
-
- (set-buffer-file-coding-system 'utf-8)
-
- (if newsticker-use-full-width
- (set (make-local-variable 'fill-column) (1- (window-width))))
- (newsticker--buffer-insert-all-items)
-
- ;; FIXME: needed for methods buffer in ecb
- ;; (set-visited-file-name "*newsticker*")
-
- (set-buffer-modified-p nil)
- (newsticker-hide-all-desc)
- (if newsticker-hide-old-items-in-newsticker-buffer
- (newsticker-hide-old-items))
- (if newsticker-show-descriptions-of-new-items
- (newsticker-show-new-item-desc))
- )
- (message ""))
- (newsticker--buffer-set-uptodate t)
- (run-hooks 'newsticker-buffer-change-hook)))
-
-(defun newsticker-get-all-news ()
- "Launch retrieval of news from all configured newsticker sites.
-This does NOT start the retrieval timers."
- (interactive)
- ;; launch retrieval of news
- (mapc (lambda (item)
- (newsticker-get-news (car item)))
- (append newsticker-url-list-defaults newsticker-url-list)))
-
-(defun newsticker-get-news-at-point ()
- "Launch retrieval of news for the feed point is in.
-This does NOT start the retrieval timers."
- (interactive)
- ;; launch retrieval of news
- (let ((feed (get-text-property (point) 'feed)))
- (when feed
- (newsticker--debug-msg "Getting news for %s" (symbol-name feed))
- (newsticker-get-news (symbol-name feed)))))
-
-(defun newsticker-add-url (url name)
- "Add given URL under given NAME to `newsticker-url-list'.
-If URL is nil it is searched at point."
- (interactive
- (list
- (read-string "URL: "
- (save-excursion
- (end-of-line)
- (and
- (re-search-backward
- "http://";
- (if (> (point) (+ (point-min) 100))
- (- (point) 100)
- (point-min))
- t)
- (re-search-forward
- "http://[-a-zA-Z0-9&/_.]*";
- (if (< (point) (- (point-max) 200))
- (+ (point) 200)
- (point-max))
- t)
- (buffer-substring-no-properties (match-beginning 0)
- (match-end 0)))))
- (read-string "Name: ")))
- (add-to-list 'newsticker-url-list (list name url nil nil nil) t)
- (customize-variable 'newsticker-url-list))
-
-;; External.
-(declare-function w3m-toggle-inline-image "ext:w3m" (&optional force no-cache))
-
-(defun newsticker-w3m-show-inline-images ()
- "Show inline images in visible text ranges.
-In-line images in invisible text ranges are hidden. This function
-calls `w3m-toggle-inline-image'. It works only if
-`newsticker-html-renderer' is set to `w3m-region'."
- (interactive)
- (if (eq newsticker-html-renderer 'w3m-region)
- (let ((inhibit-read-only t))
- (save-excursion
- (save-restriction
- (widen)
- (goto-char (point-min))
- (let ((pos (point)))
- (while pos
- (setq pos (next-single-property-change pos 'w3m-image))
- (when pos
- (goto-char pos)
- (when (get-text-property pos 'w3m-image)
- (let ((invis (newsticker--lists-intersect-p
- (get-text-property (1- (point))
- 'invisible)
- buffer-invisibility-spec)))
- (unless (car (get-text-property (1- (point))
- 'display))
- (unless invis
- (w3m-toggle-inline-image t)))))))))))))
-
-(defadvice w3m-insert-image (after newsticker activate)
- (newsticker--buffer-after-w3m-insert-image (ad-get-arg 0) (ad-get-arg 1)))
-
-(defun newsticker--buffer-after-w3m-insert-image (beg end)
- "Save preformatted contents after an image has been inserted
-between BEG and END."
- (when (string= (buffer-name) "*newsticker*")
- (save-excursion
- (newsticker--buffer-beginning-of-item)
- (let* ((pos (point))
- (feed (get-text-property pos 'feed))
- (age (get-text-property pos 'nt-age))
- (title (get-text-property pos 'nt-title))
- (guid (get-text-property pos 'nt-guid))
- (nt-desc (get-text-property pos 'nt-desc))
- (item (newsticker--cache-contains newsticker--cache
- feed title nt-desc
- nil nil guid))
- (desc-beg (newsticker--buffer-goto '(desc)))
- (desc-end (newsticker--buffer-end-of-item)))
- ;;(add-text-properties beg end (list nt-type desc))
- (add-text-properties beg end (list 'invisible
- (get-text-property end 'invisible)))
- ;;(message "newsticker--buffer-after-w3m-insert-image at %s, %s: `%s'"
- ;; beg feed title)
- (if item
- (newsticker--cache-set-preformatted-contents
- item (buffer-substring desc-beg desc-end))
- (message "ooops in newsticker--buffer-after-w3m-insert-image at %s,
%s: `%s'"
- beg feed title))))))
-
-;; ======================================================================
-;;; keymap stuff
-;; ======================================================================
-(defun newsticker-close-buffer ()
- "Close the newsticker buffer."
- (interactive)
- (newsticker--cache-update t)
- (bury-buffer))
-
-(defun newsticker-next-new-item (&optional do-not-wrap-at-eob)
- "Go to next new news item.
-If no new item is found behind point, search is continued at
-beginning of buffer unless optional argument DO-NOT-WRAP-AT-EOB
-is non-nil."
- (interactive)
- (widen)
- (let ((go-ahead t))
- (while go-ahead
- (unless (newsticker--buffer-goto '(item) 'new)
- ;; found nothing -- wrap
- (unless do-not-wrap-at-eob
- (goto-char (point-min))
- (newsticker-next-new-item t))
- (setq go-ahead nil))
- (unless (newsticker--lists-intersect-p
- (get-text-property (point) 'invisible)
- buffer-invisibility-spec)
- ;; this item is invisible -- continue search
- (setq go-ahead nil))))
- (run-hooks 'newsticker-select-item-hook)
- (point))
-
-(defun newsticker-previous-new-item (&optional do-not-wrap-at-bob)
- "Go to previous new news item.
-If no new item is found before point, search is continued at
-beginning of buffer unless optional argument DO-NOT-WRAP-AT-BOB
-is non-nil."
- (interactive)
- (widen)
- (let ((go-ahead t))
- (while go-ahead
- (unless (newsticker--buffer-goto '(item) 'new t)
- (unless do-not-wrap-at-bob
- (goto-char (point-max))
- (newsticker--buffer-goto '(item) 'new t)))
- (unless (newsticker--lists-intersect-p
- (get-text-property (point) 'invisible)
- buffer-invisibility-spec)
- (setq go-ahead nil))))
- (run-hooks 'newsticker-select-item-hook)
- (point))
-
-(defun newsticker-next-item (&optional do-not-wrap-at-eob)
- "Go to next news item.
-Return new buffer position.
-If no item is found below point, search is continued at beginning
-of buffer unless optional argument DO-NOT-WRAP-AT-EOB is
-non-nil."
- (interactive)
- (widen)
- (let ((go-ahead t)
- (search-list '(item)))
- (if newsticker--auto-narrow-to-item
- (setq search-list '(item feed)))
- (while go-ahead
- (unless (newsticker--buffer-goto search-list)
- ;; found nothing -- wrap
- (unless do-not-wrap-at-eob
- (goto-char (point-min)))
- (setq go-ahead nil))
- (unless (newsticker--lists-intersect-p
- (get-text-property (point) 'invisible)
- buffer-invisibility-spec)
- (setq go-ahead nil))))
- (run-hooks 'newsticker-select-item-hook)
- (force-mode-line-update)
- (point))
-
-(defun newsticker-next-item-same-feed ()
- "Go to next news item in the same feed.
-Return new buffer position. If no item is found below point or if
-auto-narrow-to-item is enabled, nil is returned."
- (interactive)
- (if newsticker--auto-narrow-to-item
- nil
- (let ((go-ahead t)
- (current-pos (point))
- (end-of-feed (save-excursion (newsticker--buffer-end-of-feed))))
- (while go-ahead
- (unless (newsticker--buffer-goto '(item))
- (setq go-ahead nil))
- (unless (newsticker--lists-intersect-p
- (get-text-property (point) 'invisible)
- buffer-invisibility-spec)
- (setq go-ahead nil)))
- (if (and (> (point) current-pos)
- (< (point) end-of-feed))
- (point)
- (goto-char current-pos)
- nil))))
-
-(defun newsticker-previous-item (&optional do-not-wrap-at-bob)
- "Go to previous news item.
-Return new buffer position.
-If no item is found before point, search is continued at
-beginning of buffer unless optional argument DO-NOT-WRAP-AT-BOB
-is non-nil."
- (interactive)
- (widen)
- (let ((go-ahead t)
- (search-list '(item)))
- (if newsticker--auto-narrow-to-item
- (setq search-list '(item feed)))
- (when (bobp)
- (unless do-not-wrap-at-bob
- (goto-char (point-max))))
- (while go-ahead
- (if (newsticker--buffer-goto search-list nil t)
- (unless (newsticker--lists-intersect-p
- (get-text-property (point) 'invisible)
- buffer-invisibility-spec)
- (setq go-ahead nil))
- (goto-char (point-min))
- (setq go-ahead nil))))
- (run-hooks 'newsticker-select-item-hook)
- (force-mode-line-update)
- (point))
-
-(defun newsticker-next-feed ()
- "Go to next news feed.
-Return new buffer position."
- (interactive)
- (widen)
- (newsticker--buffer-goto '(feed))
- (run-hooks 'newsticker-select-feed-hook)
- (force-mode-line-update)
- (point))
-
-(defun newsticker-previous-feed ()
- "Go to previous news feed.
-Return new buffer position."
- (interactive)
- (widen)
- (newsticker--buffer-goto '(feed) nil t)
- (run-hooks 'newsticker-select-feed-hook)
- (force-mode-line-update)
- (point))
-
-(defun newsticker-mark-all-items-at-point-as-read-and-redraw ()
- "Mark all items as read and clear ticker contents."
- (interactive)
- (when (or newsticker--buffer-uptodate-p
- (y-or-n-p
- "Buffer is not up to date -- really mark items as read? "))
- (newsticker-mark-all-items-of-feed-as-read
- (get-text-property (point) 'feed))))
-
-(defun newsticker-mark-all-items-of-feed-as-read (feed)
- "Mark all items as read, clear ticker, and redraw *newsticker* buffer."
- (when feed
- (let ((pos (point)))
- (message "Marking all items as read for %s" (symbol-name feed))
- (newsticker--cache-replace-age newsticker--cache feed 'new 'old)
- (newsticker--cache-replace-age newsticker--cache feed 'obsolete
- 'old)
- (newsticker--cache-update)
- (newsticker--buffer-set-uptodate nil)
- (newsticker--ticker-text-setup)
- (newsticker-buffer-update)
- ;; go back to where we came frome
- (goto-char pos)
- (end-of-line)
- (newsticker--buffer-goto '(feed) nil t))))
-
-(defun newsticker-mark-all-items-at-point-as-read ()
- "Mark all items as read and clear ticker contents."
- (interactive)
- (when (or newsticker--buffer-uptodate-p
- (y-or-n-p
- "Buffer is not up to date -- really mark items as read? "))
- (newsticker--do-mark-item-at-point-as-read t)
- (while (newsticker-next-item-same-feed)
- (newsticker--do-mark-item-at-point-as-read t))
- (newsticker-next-item t)))
-
-(defun newsticker-mark-item-at-point-as-read (&optional respect-immortality)
- "Mark item at point as read and move to next item.
-If optional argument RESPECT-IMMORTALITY is not nil immortal items do
-not get changed."
- (interactive)
- (when (or newsticker--buffer-uptodate-p
- (y-or-n-p
- "Buffer is not up to date -- really mark this item as read? "))
- (newsticker--do-mark-item-at-point-as-read respect-immortality)
- ;; move forward
- (newsticker-next-item t)))
-
-(defun newsticker--do-mark-item-at-point-as-read (&optional
respect-immortality)
- "Mark item at point as read.
-If optional argument RESPECT-IMMORTALITY is not nil immortal items do
-not get changed."
- (let ((feed (get-text-property (point) 'feed)))
- (when feed
- (save-excursion
- (newsticker--buffer-beginning-of-item)
- (let ((inhibit-read-only t)
- (age (get-text-property (point) 'nt-age))
- (title (get-text-property (point) 'nt-title))
- (guid (get-text-property (point) 'nt-guid))
- (nt-desc (get-text-property (point) 'nt-desc))
- (pos (save-excursion (newsticker--buffer-end-of-item)))
- item)
- (when (or (eq age 'new)
- (eq age 'obsolete)
- (and (eq age 'immortal)
- (not respect-immortality)))
- ;; find item
- (setq item (newsticker--cache-contains newsticker--cache
- feed title nt-desc
- nil nil guid))
- ;; mark as old
- (when item
- (setcar (nthcdr 4 item) 'old)
- (newsticker--do-forget-preformatted item))
- ;; clean up ticker
- (if (or (and (eq age 'new)
- newsticker-hide-immortal-items-in-echo-area)
- (and (memq age '(old immortal))
- (not
- (eq newsticker-hide-old-items-in-newsticker-buffer
- newsticker-hide-immortal-items-in-echo-area))))
- (newsticker--ticker-text-remove feed title))
- ;; set faces etc.
- (save-excursion
- (save-restriction
- (widen)
- (put-text-property (point) pos 'nt-age 'old)
- (newsticker--buffer-set-faces (point) pos)))
- (set-buffer-modified-p nil)))))))
-
-(defun newsticker-mark-item-at-point-as-immortal ()
- "Mark item at point as read."
- (interactive)
- (when (or newsticker--buffer-uptodate-p
- (y-or-n-p
- "Buffer is not up to date -- really mark this item as read? "))
- (let ((feed (get-text-property (point) 'feed))
- (item nil))
- (when feed
- (save-excursion
- (newsticker--buffer-beginning-of-item)
- (let ((inhibit-read-only t)
- (oldage (get-text-property (point) 'nt-age))
- (title (get-text-property (point) 'nt-title))
- (guid (get-text-property (point) 'nt-guid))
- (pos (save-excursion (newsticker--buffer-end-of-item))))
- (let ((newage 'immortal))
- (if (eq oldage 'immortal)
- (setq newage 'old))
- (setq item (newsticker--cache-contains newsticker--cache
- feed title nil nil nil
- guid))
- ;; change age
- (when item
- (setcar (nthcdr 4 item) newage)
- (newsticker--do-forget-preformatted item))
- (if (or (and (eq newage 'immortal)
- newsticker-hide-immortal-items-in-echo-area)
- (and (eq newage 'obsolete)
- newsticker-hide-obsolete-items-in-echo-area)
- (and (eq oldage 'immortal)
- (not
- (eq newsticker-hide-old-items-in-newsticker-buffer
- newsticker-hide-immortal-items-in-echo-area))))
- (newsticker--ticker-text-remove feed title)
- (newsticker--ticker-text-setup))
- (save-excursion
- (save-restriction
- (widen)
- (put-text-property (point) pos 'nt-age newage)
- (if (eq newage 'immortal)
- (put-text-property (point) pos 'nt-age 'immortal)
- (put-text-property (point) pos 'nt-age 'old))
- (newsticker--buffer-set-faces (point) pos))))))
- (if item
- (newsticker-next-item t))))))
-
-(defun newsticker-mark-all-items-as-read ()
- "Mark all items as read and clear ticker contents."
- (interactive)
- (when (or newsticker--buffer-uptodate-p
- (y-or-n-p
- "Buffer is not up to date -- really mark items as read? "))
- (newsticker--cache-replace-age newsticker--cache 'any 'new 'old)
- (newsticker--buffer-set-uptodate nil)
- (newsticker--ticker-text-setup)
- (newsticker--cache-update)
- (newsticker-buffer-update)))
-
-(defun newsticker-hide-extra ()
- "Hide the extra elements of items."
- (interactive)
- (newsticker--buffer-hideshow 'extra nil)
- (newsticker--buffer-redraw))
-
-(defun newsticker-show-extra ()
- "Show the extra elements of items."
- (interactive)
- (newsticker--buffer-hideshow 'extra t)
- (newsticker--buffer-redraw))
-
-(defun newsticker-hide-old-item-desc ()
- "Hide the description of old items."
- (interactive)
- (newsticker--buffer-hideshow 'desc-old nil)
- (newsticker--buffer-redraw))
-
-(defun newsticker-show-old-item-desc ()
- "Show the description of old items."
- (interactive)
- (newsticker--buffer-hideshow 'item-old t)
- (newsticker--buffer-hideshow 'desc-old t)
- (newsticker--buffer-redraw))
-
-(defun newsticker-hide-new-item-desc ()
- "Hide the description of new items."
- (interactive)
- (newsticker--buffer-hideshow 'desc-new nil)
- (newsticker--buffer-hideshow 'desc-immortal nil)
- (newsticker--buffer-hideshow 'desc-obsolete nil)
- (newsticker--buffer-redraw))
-
-(defun newsticker-show-new-item-desc ()
- "Show the description of new items."
- (interactive)
- (newsticker--buffer-hideshow 'desc-new t)
- (newsticker--buffer-hideshow 'desc-immortal t)
- (newsticker--buffer-hideshow 'desc-obsolete t)
- (newsticker--buffer-redraw))
-
-(defun newsticker-hide-feed-desc ()
- "Hide the description of feeds."
- (interactive)
- (newsticker--buffer-hideshow 'desc-feed nil)
- (newsticker--buffer-redraw))
-
-(defun newsticker-show-feed-desc ()
- "Show the description of old items."
- (interactive)
- (newsticker--buffer-hideshow 'desc-feed t)
- (newsticker--buffer-redraw))
-
-(defun newsticker-hide-all-desc ()
- "Hide the descriptions of feeds and all items."
- (interactive)
- (newsticker--buffer-hideshow 'desc-feed nil)
- (newsticker--buffer-hideshow 'desc-immortal nil)
- (newsticker--buffer-hideshow 'desc-obsolete nil)
- (newsticker--buffer-hideshow 'desc-new nil)
- (newsticker--buffer-hideshow 'desc-old nil)
- (newsticker--buffer-redraw))
-
-(defun newsticker-show-all-desc ()
- "Show the descriptions of feeds and all items."
- (interactive)
- (newsticker--buffer-hideshow 'desc-feed t)
- (newsticker--buffer-hideshow 'desc-immortal t)
- (newsticker--buffer-hideshow 'desc-obsolete t)
- (newsticker--buffer-hideshow 'desc-new t)
- (newsticker--buffer-hideshow 'desc-old t)
- (newsticker--buffer-redraw))
-
-(defun newsticker-hide-old-items ()
- "Hide old items."
- (interactive)
- (newsticker--buffer-hideshow 'desc-old nil)
- (newsticker--buffer-hideshow 'item-old nil)
- (newsticker--buffer-redraw))
-
-(defun newsticker-show-old-items ()
- "Show old items."
- (interactive)
- (newsticker--buffer-hideshow 'item-old t)
- (newsticker--buffer-redraw))
-
-(defun newsticker-hide-entry ()
- "Hide description of entry at point."
- (interactive)
- (save-excursion
- (let* (pos1 pos2
- (inhibit-read-only t)
- inv-prop org-inv-prop
- is-invisible)
- (newsticker--buffer-beginning-of-item)
- (newsticker--buffer-goto '(desc))
- (setq pos1 (max (point-min) (1- (point))))
- (newsticker--buffer-goto '(extra feed item nil))
- (setq pos2 (max (point-min) (1- (point))))
- (setq inv-prop (get-text-property pos1 'invisible))
- (setq org-inv-prop (get-text-property pos1 'org-invisible))
- (cond ((eq inv-prop t)
- ;; do nothing
- )
- ((eq org-inv-prop nil)
- (add-text-properties pos1 pos2
- (list 'invisible (list t)
- 'org-invisible inv-prop)))
- (t
- ;; toggle
- (add-text-properties pos1 pos2
- (list 'invisible org-inv-prop))
- (remove-text-properties pos1 pos2 '(org-invisible))))))
- (newsticker--buffer-redraw))
-
-(defun newsticker-show-entry ()
- "Show description of entry at point."
- (interactive)
- (save-excursion
- (let* (pos1 pos2
- (inhibit-read-only t)
- inv-prop org-inv-prop
- is-invisible)
- (newsticker--buffer-beginning-of-item)
- (newsticker--buffer-goto '(desc))
- (setq pos1 (max (point-min) (1- (point))))
- (newsticker--buffer-goto '(extra feed item))
- (setq pos2 (max (point-min) (1- (point))))
- (setq inv-prop (get-text-property pos1 'invisible))
- (setq org-inv-prop (get-text-property pos1 'org-invisible))
- (cond ((eq org-inv-prop nil)
- (add-text-properties pos1 pos2
- (list 'invisible nil
- 'org-invisible inv-prop)))
- (t
- ;; toggle
- (add-text-properties pos1 pos2
- (list 'invisible org-inv-prop))
- (remove-text-properties pos1 pos2 '(org-invisible))))))
- (newsticker--buffer-redraw))
-
-(defun newsticker-toggle-auto-narrow-to-feed ()
- "Toggle narrowing to current news feed.
-If auto-narrowing is active, only news item of the current feed
-are visible."
- (interactive)
- (newsticker-set-auto-narrow-to-feed
- (not newsticker--auto-narrow-to-feed)))
-
-(defun newsticker-set-auto-narrow-to-feed (value)
- "Turn narrowing to current news feed on or off.
-If VALUE is nil, auto-narrowing is turned off, otherwise it is turned on."
- (interactive)
- (setq newsticker--auto-narrow-to-item nil)
- (setq newsticker--auto-narrow-to-feed value)
- (widen)
- (newsticker--buffer-make-item-completely-visible)
- (run-hooks 'newsticker-narrow-hook))
-
-(defun newsticker-toggle-auto-narrow-to-item ()
- "Toggle narrowing to current news item.
-If auto-narrowing is active, only one item of the current feed
-is visible."
- (interactive)
- (newsticker-set-auto-narrow-to-item
- (not newsticker--auto-narrow-to-item)))
-
-(defun newsticker-set-auto-narrow-to-item (value)
- "Turn narrowing to current news item on or off.
-If VALUE is nil, auto-narrowing is turned off, otherwise it is turned on."
- (interactive)
- (setq newsticker--auto-narrow-to-feed nil)
- (setq newsticker--auto-narrow-to-item value)
- (widen)
- (newsticker--buffer-make-item-completely-visible)
- (run-hooks 'newsticker-narrow-hook))
-
-(defun newsticker-customize ()
- "Open the newsticker customization group."
- (interactive)
- (customize-group "newsticker"))
-
-(defun newsticker-next-feed-available-p ()
- "Return t if position is before last feed, nil otherwise."
- (save-excursion
- (let ((p (point)))
- (newsticker--buffer-goto '(feed))
- (not (= p (point))))))
-
-(defun newsticker-previous-feed-available-p ()
- "Return t if position is behind first feed, nil otherwise."
- (save-excursion
- (let ((p (point)))
- (newsticker--buffer-goto '(feed) nil t)
- (not (= p (point))))))
-
-(defun newsticker-next-item-available-p ()
- "Return t if position is before last feed, nil otherwise."
- (save-excursion
- (catch 'result
- (while (< (point) (point-max))
- (unless (newsticker--buffer-goto '(item))
- (throw 'result nil))
- (unless (newsticker--lists-intersect-p
- (get-text-property (point) 'invisible)
- buffer-invisibility-spec)
- (throw 'result t))))))
-
-(defun newsticker-previous-item-available-p ()
- "Return t if position is behind first item, nil otherwise."
- (save-excursion
- (catch 'result
- (while (> (point) (point-min))
- (unless (newsticker--buffer-goto '(item) nil t)
- (throw 'result nil))
- (unless (newsticker--lists-intersect-p
- (get-text-property (point) 'invisible)
- buffer-invisibility-spec)
- (throw 'result t))))))
-
-(defun newsticker-item-not-old-p ()
- "Return t if there is an item at point which is not old, nil otherwise."
- (when (get-text-property (point) 'feed)
- (save-excursion
- (newsticker--buffer-beginning-of-item)
- (let ((age (get-text-property (point) 'nt-age)))
- (and (memq age '(new immortal obsolete)) t)))))
-
-(defun newsticker-item-not-immortal-p ()
- "Return t if there is an item at point which is not immortal, nil otherwise."
- (when (get-text-property (point) 'feed)
- (save-excursion
- (newsticker--buffer-beginning-of-item)
- (let ((age (get-text-property (point) 'nt-age)))
- (and (memq age '(new old obsolete)) t)))))
-
-;; ======================================================================
-;;; local stuff
-;; ======================================================================
-(defun newsticker-get-news (feed-name)
- "Get news from the site FEED-NAME and load feed logo.
-FEED-NAME must be a string which occurs as the label (i.e. the first element)
-in an element of `newsticker-url-list' or `newsticker-url-list-defaults'."
- (newsticker--debug-msg "%s: Getting news for %s"
- (format-time-string "%A, %H:%M" (current-time))
- feed-name)
- (let* ((buffername (concat " *newsticker-wget-" feed-name "*"))
- (item (or (assoc feed-name newsticker-url-list)
- (assoc feed-name newsticker-url-list-defaults)
- (error
- "Cannot get news for %s: Check newsticker-url-list"
- feed-name)))
- (url (cadr item))
- (wget-arguments (or (car (cdr (cdr (cdr (cdr item)))))
- newsticker-wget-arguments)))
- (save-excursion
- (set-buffer (get-buffer-create buffername))
- (erase-buffer)
- ;; throw an error if there is an old wget-process around
- (if (get-process feed-name)
- (error "Another wget-process is running for %s" feed-name))
- ;; start wget
- (let* ((args (append wget-arguments (list url)))
- (proc (apply 'start-process feed-name buffername
- newsticker-wget-name args)))
- (set-process-coding-system proc 'no-conversion 'no-conversion)
- (set-process-sentinel proc 'newsticker--sentinel)
- (setq newsticker--process-ids (cons (process-id proc)
- newsticker--process-ids))
- (force-mode-line-update)))))
-
-(defun newsticker-mouse-browse-url (event)
- "Call `browse-url' for the link of the item at which the EVENT occurred."
- (interactive "e")
- (save-excursion
- (switch-to-buffer (window-buffer (posn-window (event-end event))))
- (let ((url (get-text-property (posn-point (event-end event))
- 'nt-link)))
- (when url
- (browse-url url)
- (save-excursion
- (goto-char (posn-point (event-end event)))
- (if newsticker-automatically-mark-visited-items-as-old
- (newsticker-mark-item-at-point-as-read t)))))))
-
-(defun newsticker-browse-url ()
- "Call `browse-url' for the link of the item at point."
- (interactive)
- (let ((url (get-text-property (point) 'nt-link)))
- (when url
- (browse-url url)
- (if newsticker-automatically-mark-visited-items-as-old
- (newsticker-mark-item-at-point-as-read t)))))
-
-(defvar newsticker-open-url-history
- '("wget" "xmms" "realplay")
- "...")
-
-(defun newsticker-handle-url ()
- "Ask for a program to open the link of the item at point."
- (interactive)
- (let ((url (get-text-property (point) 'nt-link)))
- (when url
- (let ((prog (read-string "Open url with: " nil
- 'newsticker-open-url-history)))
- (when prog
- (message "%s %s" prog url)
- (start-process prog prog prog url)
- (if newsticker-automatically-mark-visited-items-as-old
- (newsticker-mark-item-at-point-as-read t)))))))
-
-(defun newsticker--sentinel (process event)
- "Sentinel for extracting news titles from an RDF buffer.
-Argument PROCESS is the process which has just changed its state.
-Argument EVENT tells what has happened to the process."
- (let* ((p-status (process-status process))
- (exit-status (process-exit-status process))
- (time (current-time))
- (name (process-name process))
- (name-symbol (intern name))
- (something-was-added nil))
- ;; catch known errors (zombie processes, rubbish-xml etc.
- ;; if an error occurs the news feed is not updated!
- (catch 'oops
- (unless (and (eq p-status 'exit)
- (= exit-status 0))
- (setq newsticker--cache
- (newsticker--cache-add
- newsticker--cache
- name-symbol
- newsticker--error-headline
- (format
- (concat "%s: Newsticker could not retrieve news from %s.\n"
- "Return status: `%s'\n"
- "Command was `%s'")
- (format-time-string "%A, %H:%M" (current-time))
- name event (process-command process))
- ""
- (current-time)
- 'new
- 0 nil))
- (message "%s: Error while retrieving news from %s"
- (format-time-string "%A, %H:%M" (current-time))
- (process-name process))
- (throw 'oops nil))
- (let* ((coding-system 'utf-8)
- (node-list
- (save-current-buffer
- (set-buffer (process-buffer process))
- ;; a very very dirty workaround to overcome the
- ;; problems with the newest (20030621) xml.el:
- ;; remove all unnecessary whitespace
- (goto-char (point-min))
- (while (re-search-forward ">[ \t\r\n]+<" nil t)
- (replace-match "><" nil t))
- ;; and another brutal workaround (20031105)! For some
- ;; reason the xml parser does not like the colon in the
- ;; doctype name "rdf:RDF"
- (goto-char (point-min))
- (if (re-search-forward "<!DOCTYPE[ \t\n]+rdf:RDF" nil t)
- (replace-match "<!DOCTYPE rdfColonRDF" nil t))
- ;; finally.... ~##^°!!!!!
- (goto-char (point-min))
- (while (search-forward "\r\n" nil t)
- (replace-match "\n" nil t))
- ;; still more brutal workarounds (20040309)! The xml
- ;; parser does not like doctype rss
- (goto-char (point-min))
- (if (re-search-forward "<!DOCTYPE[ \t\n]+rss[ \t\n]*>" nil t)
- (replace-match "" nil t))
- ;; And another one (20050618)! (Fixed in GNU Emacs 22.0.50.18)
- ;; Remove comments to avoid this xml-parsing bug:
- ;; "XML files can have only one toplevel tag"
- (goto-char (point-min))
- (while (search-forward "<!--" nil t)
- (let ((start (match-beginning 0)))
- (unless (search-forward "-->" nil t)
- (error "Can't find end of comment"))
- (delete-region start (point))))
- ;; And another one (20050702)! If description is HTML
- ;; encoded and starts with a `<', wrap the whole
- ;; description in a CDATA expression. This happened for
- ;; http://www.thefreedictionary.com/_/WoD/rss.aspx?type=quote
- (goto-char (point-min))
- (while (re-search-forward
- "<description>\\(<img.*?\\)</description>" nil t)
- (replace-match
- "<description><![CDATA[ \\1 ]]></description>"))
- ;; And another one (20051123)! XML parser does not like this:
- ;; <yweather:location city="Frankfurt/Main" region=""
country="GM" />
- ;; try to "fix" empty attributes
- ;; This happened for
- ;; http://xml.weather.yahoo.com/forecastrss?p=GMXX0040&u=f
- (goto-char (point-min))
- (while (re-search-forward "\\(<[^>]*\\)=\"\"" nil t)
- (replace-match "\\1=\" \""))
- ;;
- (set-buffer-modified-p nil)
- ;; check coding system
- (goto-char (point-min))
- (if (re-search-forward "encoding=\"\\([^\"]+\\)\""
- nil t)
- (setq coding-system (intern (downcase (match-string 1))))
- (setq coding-system
- (condition-case nil
- (check-coding-system coding-system)
- (coding-system-error
- (message
- "newsticker.el: ignoring coding system %s for %s"
- coding-system name)
- nil))))
- ;; Decode if possible
- (when coding-system
- (decode-coding-region (point-min) (point-max)
- coding-system))
- (condition-case errordata
- ;; The xml parser might fail
- ;; or the xml might be bugged
- (xml-parse-region (point-min) (point-max))
- (error (message "Could not parse %s: %s"
- (buffer-name) (cadr errordata))
- (throw 'oops nil)))))
- (topnode (car node-list))
- (channelnode (car (xml-get-children topnode 'channel)))
- (imageurl nil))
- ;; mark all items as obsolete
- (newsticker--cache-replace-age newsticker--cache
- name-symbol
- 'new 'obsolete-new)
- (newsticker--cache-replace-age newsticker--cache
- name-symbol
- 'old 'obsolete-old)
- (newsticker--cache-replace-age newsticker--cache
- name-symbol
- 'feed 'obsolete-old)
-
- ;; check Atom/RSS version and call corresponding parser
- (condition-case error-data
- (if (cond
- ;; RSS 0.91
- ((and (eq 'rss (xml-node-name topnode))
- (string= "0.91" (xml-get-attribute topnode 'version)))
- (setq imageurl (newsticker--get-logo-url-rss-0.91 topnode))
- (newsticker--parse-rss-0.91 name time topnode))
- ;; RSS 0.92
- ((and (eq 'rss (xml-node-name topnode))
- (string= "0.92" (xml-get-attribute topnode 'version)))
- (setq imageurl (newsticker--get-logo-url-rss-0.92 topnode))
- (newsticker--parse-rss-0.92 name time topnode))
- ;; RSS 1.0
- ((eq 'rdf:RDF (xml-node-name topnode))
- (setq imageurl (newsticker--get-logo-url-rss-1.0 topnode))
- (newsticker--parse-rss-1.0 name time topnode))
- ;; RSS 2.0
- ((and (eq 'rss (xml-node-name topnode))
- (string= "2.0" (xml-get-attribute topnode 'version)))
- (setq imageurl (newsticker--get-logo-url-rss-2.0 topnode))
- (newsticker--parse-rss-2.0 name time topnode))
- ;; Atom 0.3
- ((and (eq 'feed (xml-node-name topnode))
- (string= "http://purl.org/atom/ns#";
- (xml-get-attribute topnode 'xmlns)))
- (setq imageurl (newsticker--get-logo-url-atom-0.3 topnode))
- (newsticker--parse-atom-0.3 name time topnode))
- ;; Atom 1.0
- ((and (eq 'feed (xml-node-name topnode))
- (string= "http://www.w3.org/2005/Atom";
- (xml-get-attribute topnode 'xmlns)))
- (setq imageurl (newsticker--get-logo-url-atom-1.0 topnode))
- (newsticker--parse-atom-1.0 name time topnode))
- ;; unknown feed type
- (t
- (newsticker--debug-msg "Feed type unknown: %s: %s"
- (xml-node-name topnode) name)
- nil))
- (setq something-was-added t))
- (xerror (message "sentinelerror in %s: %s" name error-data)))
-
- ;; Remove those old items from cache which have been removed from
- ;; the feed
- (newsticker--cache-replace-age newsticker--cache
- name-symbol 'obsolete-old 'deleteme)
- (newsticker--cache-remove newsticker--cache name-symbol
- 'deleteme)
- ;; Remove those new items from cache which have been removed from
- ;; the feed. Or keep them as `obsolete'
- (if (not newsticker-keep-obsolete-items)
- (newsticker--cache-remove newsticker--cache
- name-symbol 'obsolete-new)
- (setq newsticker--cache
- (newsticker--cache-mark-expired
- newsticker--cache name-symbol 'obsolete 'obsolete-expired
- newsticker-obsolete-item-max-age))
- (newsticker--cache-remove newsticker--cache
- name-symbol 'obsolete-expired)
- (newsticker--cache-replace-age newsticker--cache
- name-symbol 'obsolete-new
- 'obsolete))
- (newsticker--update-process-ids)
- ;; setup scrollable text
- (when (= 0 (length newsticker--process-ids))
- (newsticker--ticker-text-setup))
- (setq newsticker--latest-update-time (current-time))
- (when something-was-added
- ;; FIXME: should we care about removed items as well?
- (newsticker--cache-update)
- (newsticker--buffer-set-uptodate nil))
- ;; kill the process buffer if wanted
- (unless newsticker-debug
- (kill-buffer (process-buffer process)))
- ;; launch retrieval of image
- (when (and imageurl
- (string-match "%l" newsticker-heading-format))
- (newsticker--image-get name imageurl))))))
-
-(defun newsticker--get-logo-url-atom-1.0 (node)
- "Return logo URL from atom 1.0 data in NODE."
- (car (xml-node-children
- (car (xml-get-children node 'logo)))))
-
-(defun newsticker--get-logo-url-atom-0.3 (node)
- "Return logo URL from atom 0.3 data in NODE."
- (car (xml-node-children
- (car (xml-get-children (car (xml-get-children node 'image)) 'url)))))
-
-(defun newsticker--get-logo-url-rss-2.0 (node)
- "Return logo URL from RSS 2.0 data in NODE."
- (car (xml-node-children
- (car (xml-get-children
- (car (xml-get-children
- (car (xml-get-children node 'channel)) 'image)) 'url)))))
-
-(defun newsticker--get-logo-url-rss-1.0 (node)
- "Return logo URL from RSS 1.0 data in NODE."
- (car (xml-node-children
- (car (xml-get-children (car (xml-get-children node 'image)) 'url)))))
-
-(defun newsticker--get-logo-url-rss-0.92 (node)
- "Return logo URL from RSS 0.92 data in NODE."
- (car (xml-node-children
- (car (xml-get-children (car (xml-get-children node 'image)) 'url)))))
-
-(defun newsticker--get-logo-url-rss-0.91 (node)
- "Return logo URL from RSS 0.91 data in NODE."
- (car (xml-node-children
- (car (xml-get-children (car (xml-get-children node 'image)) 'url)))))
-
-(defun newsticker--parse-atom-0.3 (name time topnode)
- "Parse Atom 0.3 data.
-Return value as well as arguments NAME, TIME, and TOPNODE are the
-same as in `newsticker--parse-atom-1.0'."
- (newsticker--debug-msg "Parsing Atom 0.3 feed %s" name)
- (let (new-feed new-item)
- (setq new-feed (newsticker--parse-generic-feed
- name time
- ;; title
- (car (xml-node-children
- (car (xml-get-children topnode 'title))))
- ;; desc
- (car (xml-node-children
- (car (xml-get-children topnode 'content))))
- ;; link
- (xml-get-attribute
- (car (xml-get-children topnode 'link)) 'href)
- ;; extra-elements
- (xml-node-children topnode)))
- (setq new-item (newsticker--parse-generic-items
- name time (xml-get-children topnode 'entry)
- ;; title-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'title)))))
- ;; desc-fn
- (lambda (node)
- (or (car (xml-node-children
- (car (xml-get-children node 'content))))
- (car (xml-node-children
- (car (xml-get-children node 'summary))))))
- ;; link-fn
- (lambda (node)
- (xml-get-attribute
- (car (xml-get-children node 'link)) 'href))
- ;; time-fn
- (lambda (node)
- (newsticker--decode-rfc822-date
- (car (xml-node-children
- (car (xml-get-children node 'modified))))))
- ;; guid-fn
- (lambda (node)
- (let ((tguid (assoc 'guid (xml-node-children node))))
- (if (stringp tguid)
- tguid
- (car (xml-node-children tguid)))))
- ;; extra-fn
- (lambda (node)
- (xml-node-children node))))
- (or new-item new-feed)))
-
-(defun newsticker--parse-atom-1.0 (name time topnode)
- "Parse Atom 1.0 data.
-Argument NAME gives the name of a news feed. TIME gives the
-system time at which the data have been retrieved. TOPNODE
-contains the feed data as returned by the xml parser.
-
-For the Atom 1.0 specification see
-http://www.atompub.org/2005/08/17/draft-ietf-atompub-format-11.html";
- (newsticker--debug-msg "Parsing Atom 1.0 feed %s" name)
- (let (new-feed new-item)
- (setq new-feed (newsticker--parse-generic-feed
- name time
- ;; title
- (car (xml-node-children
- (car (xml-get-children topnode 'title))))
- ;; desc
- (car (xml-node-children
- (car (xml-get-children topnode 'subtitle))))
- ;; link
- (car (xml-node-children
- (car (xml-get-children topnode 'link))))
- ;; extra-elements
- (xml-node-children topnode)))
- (setq new-item (newsticker--parse-generic-items
- name time (xml-get-children topnode 'entry)
- ;; title-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'title)))))
- ;; desc-fn
- (lambda (node)
- (or (car (xml-node-children
- (car (xml-get-children node 'content))))
- (car (xml-node-children
- (car (xml-get-children node 'summary))))))
- ;; link-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'link)))))
- ;; time-fn
- (lambda (node)
- (newsticker--decode-iso8601-date
- (or (car (xml-node-children
- (car (xml-get-children node 'updated))))
- (car (xml-node-children
- (car (xml-get-children node 'published)))))))
- ;; guid-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'id)))))
- ;; extra-fn
- (lambda (node)
- (xml-node-children node))))
- (or new-item new-feed)))
-
-(defun newsticker--parse-rss-0.91 (name time topnode)
- "Parse RSS 0.91 data.
-Return value as well as arguments NAME, TIME, and TOPNODE are the
-same as in `newsticker--parse-atom-1.0'.
-
-For the RSS 0.91 specification see http://backend.userland.com/rss091 or
-http://my.netscape.com/publish/formats/rss-spec-0.91.html.";
- (newsticker--debug-msg "Parsing RSS 0.91 feed %s" name)
- (let* ((channelnode (car (xml-get-children topnode 'channel)))
- (pub-date (newsticker--decode-rfc822-date
- (car (xml-node-children
- (car (xml-get-children channelnode 'pubDate))))))
- is-new-feed has-new-items)
- (setq is-new-feed (newsticker--parse-generic-feed
- name time
- ;; title
- (car (xml-node-children
- (car (xml-get-children channelnode 'title))))
- ;; desc
- (car (xml-node-children
- (car (xml-get-children channelnode
- 'description))))
- ;; link
- (car (xml-node-children
- (car (xml-get-children channelnode 'link))))
- ;; extra-elements
- (xml-node-children channelnode)))
- (setq has-new-items (newsticker--parse-generic-items
- name time (xml-get-children channelnode 'item)
- ;; title-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'title)))))
- ;; desc-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'description)))))
- ;; link-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'link)))))
- ;; time-fn
- (lambda (node)
- pub-date)
- ;; guid-fn
- (lambda (node)
- nil)
- ;; extra-fn
- (lambda (node)
- (xml-node-children node))))
- (or has-new-items is-new-feed)))
-
-(defun newsticker--parse-rss-0.92 (name time topnode)
- "Parse RSS 0.92 data.
-Return value as well as arguments NAME, TIME, and TOPNODE are the
-same as in `newsticker--parse-atom-1.0'.
-
-For the RSS 0.92 specification see http://backend.userland.com/rss092.";
- (newsticker--debug-msg "Parsing RSS 0.92 feed %s" name)
- (let* ((channelnode (car (xml-get-children topnode 'channel)))
- (pub-date (newsticker--decode-rfc822-date
- (car (xml-node-children
- (car (xml-get-children channelnode 'pubDate))))))
- is-new-feed has-new-items)
- (setq is-new-feed (newsticker--parse-generic-feed
- name time
- ;; title
- (car (xml-node-children
- (car (xml-get-children channelnode 'title))))
- ;; desc
- (car (xml-node-children
- (car (xml-get-children channelnode
- 'description))))
- ;; link
- (car (xml-node-children
- (car (xml-get-children channelnode 'link))))
- ;; extra-elements
- (xml-node-children channelnode)))
- (setq has-new-items (newsticker--parse-generic-items
- name time (xml-get-children channelnode 'item)
- ;; title-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'title)))))
- ;; desc-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'description)))))
- ;; link-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'link)))))
- ;; time-fn
- (lambda (node)
- pub-date)
- ;; guid-fn
- (lambda (node)
- nil)
- ;; extra-fn
- (lambda (node)
- (xml-node-children node))))
- (or has-new-items is-new-feed)))
-
-(defun newsticker--parse-rss-1.0 (name time topnode)
- "Parse RSS 1.0 data.
-Return value as well as arguments NAME, TIME, and TOPNODE are the
-same as in `newsticker--parse-atom-1.0'.
-
-For the RSS 1.0 specification see http://web.resource.org/rss/1.0/spec.";
- (newsticker--debug-msg "Parsing RSS 1.0 feed %s" name)
- (let* ((channelnode (car (xml-get-children topnode 'channel)))
- is-new-feed has-new-items)
- (setq is-new-feed (newsticker--parse-generic-feed
- name time
- ;; title
- (car (xml-node-children
- (car (xml-get-children channelnode 'title))))
- ;; desc
- (car (xml-node-children
- (car (xml-get-children channelnode
- 'description))))
- ;; link
- (car (xml-node-children
- (car (xml-get-children channelnode 'link))))
- ;; extra-elements
- (xml-node-children channelnode)))
- (setq has-new-items (newsticker--parse-generic-items
- name time (xml-get-children topnode 'item)
- ;; title-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'title)))))
- ;; desc-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node
- 'description)))))
- ;; link-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'link)))))
- ;; time-fn
- (lambda (node)
- (newsticker--decode-iso8601-date
- (car (xml-node-children
- (car (xml-get-children node 'dc:date))))))
- ;; guid-fn
- (lambda (node)
- nil)
- ;; extra-fn
- (lambda (node)
- (xml-node-children node))))
- (or has-new-items is-new-feed)))
-
-(defun newsticker--parse-rss-2.0 (name time topnode)
- "Parse RSS 2.0 data.
-Return value as well as arguments NAME, TIME, and TOPNODE are the
-same as in `newsticker--parse-atom-1.0'.
-
-For the RSS 2.0 specification see http://blogs.law.harvard.edu/tech/rss.";
- (newsticker--debug-msg "Parsing RSS 2.0 feed %s" name)
- (let* ((channelnode (car (xml-get-children topnode 'channel)))
- is-new-feed has-new-items)
- (setq is-new-feed (newsticker--parse-generic-feed
- name time
- ;; title
- (car (xml-node-children
- (car (xml-get-children channelnode 'title))))
- ;; desc
- (car (xml-node-children
- (car (xml-get-children channelnode
- 'description))))
- ;; link
- (car (xml-node-children
- (car (xml-get-children channelnode 'link))))
- ;; extra-elements
- (xml-node-children channelnode)))
- (setq has-new-items (newsticker--parse-generic-items
- name time (xml-get-children channelnode 'item)
- ;; title-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'title)))))
- ;; desc-fn
- (lambda (node)
- (or (car (xml-node-children
- (car (xml-get-children node
-
'content:encoded))))
- (car (xml-node-children
- (car (xml-get-children node
- 'description))))))
- ;; link-fn
- (lambda (node)
- (car (xml-node-children
- (car (xml-get-children node 'link)))))
- ;; time-fn
- (lambda (node)
- (newsticker--decode-rfc822-date
- (car (xml-node-children
- (car (xml-get-children node 'pubDate))))))
- ;; guid-fn
- (lambda (node)
- (let* ((tguid (assoc 'guid
- (xml-node-children node))))
- (if (stringp tguid)
- tguid
- (car (xml-node-children tguid)))))
- ;; extra-fn
- (lambda (node)
- (xml-node-children node))))
- (or has-new-items is-new-feed)))
-
-(defun newsticker--parse-generic-feed (name time title desc link
- extra-elements)
- "Parse generic news feed data.
-Argument NAME gives the name of a news feed. TIME gives the
-system time at which the data have been retrieved.
-
-The arguments TITLE, DESC, LINK, and EXTRA-ELEMENTS give the feed's title,
-description, link, and extra elements resp."
- (let ((title (or title "[untitled]"))
- (link (or link ""))
- (old-item nil)
- (position 0)
- (something-was-added nil))
- ;; decode numeric entities
- (setq title (newsticker--decode-numeric-entities title))
- (setq desc (newsticker--decode-numeric-entities desc))
- (setq link (newsticker--decode-numeric-entities link))
- ;; remove whitespace from title, desc, and link
- (setq title (newsticker--remove-whitespace title))
- (setq desc (newsticker--remove-whitespace desc))
- (setq link (newsticker--remove-whitespace link))
-
- ;; handle the feed itself
- (unless (newsticker--cache-contains newsticker--cache
- (intern name) title
- desc link 'feed)
- (setq something-was-added t))
- (setq newsticker--cache
- (newsticker--cache-add newsticker--cache (intern name)
- title desc link time 'feed position
- extra-elements 'feed time))
- something-was-added))
-
-(defun newsticker--parse-generic-items (name time itemlist
- title-fn desc-fn
- link-fn time-fn
- guid-fn extra-fn)
- "Parse generic news feed data.
-Argument NAME gives the name of a news feed. TIME gives the
-system time at which the data have been retrieved. ITEMLIST
-contains the news items returned by the xml parser.
-
-The arguments TITLE-FN, DESC-FN, LINK-FN, TIME-FN, GUID-FN, and
-EXTRA-FN give functions for extracting title, description, link,
-time, guid, and extra-elements resp. They are called with one
-argument, which is one of the items in ITEMLIST."
- (let (title desc link
- (old-item nil)
- (position 0)
- (something-was-added nil))
- ;; gather all items for this feed
- (mapc (lambda (node)
- (setq position (1+ position))
- (setq title (or (funcall title-fn node) "[untitled]"))
- (setq desc (funcall desc-fn node))
- (setq link (or (funcall link-fn node) ""))
- (setq time (or (funcall time-fn node) time))
- ;; It happened that the title or description
- ;; contained evil HTML code that confused the
- ;; xml parser. Therefore:
- (unless (stringp title)
- (setq title (prin1-to-string title)))
- (unless (or (stringp desc) (not desc))
- (setq desc (prin1-to-string desc)))
- ;; ignore items with empty title AND empty desc
- (when (or (> (length title) 0)
- (> (length desc) 0))
- ;; decode numeric entities
- (setq title (newsticker--decode-numeric-entities title))
- (when desc
- (setq desc (newsticker--decode-numeric-entities desc)))
- (setq link (newsticker--decode-numeric-entities link))
- ;; remove whitespace from title, desc, and link
- (setq title (newsticker--remove-whitespace title))
- (setq desc (newsticker--remove-whitespace desc))
- (setq link (newsticker--remove-whitespace link))
- ;; add data to cache
- ;; do we have this item already?
- (let* ((guid (funcall guid-fn node)))
- ;;(message "guid=%s" guid)
- (setq old-item
- (newsticker--cache-contains newsticker--cache
- (intern name) title
- desc link nil guid)))
- ;; add this item, or mark it as old, or do nothing
- (let ((age1 'new)
- (age2 'old)
- (item-new-p nil))
- (if old-item
- (let ((prev-age (newsticker--age old-item)))
- (unless
- newsticker-automatically-mark-items-as-old
- (if (eq prev-age 'obsolete-old)
- (setq age2 'old)
- (setq age2 'new)))
- (if (eq prev-age 'immortal)
- (setq age2 'immortal)))
- ;; item was not there
- (setq item-new-p t)
- (setq something-was-added t))
- (setq newsticker--cache
- (newsticker--cache-add
- newsticker--cache (intern name) title desc link
- time age1 position (funcall extra-fn node)
- age2))
- (when item-new-p
- (let ((item (newsticker--cache-contains
- newsticker--cache (intern name) title
- desc link nil)))
- (if newsticker-auto-mark-filter-list
- (newsticker--run-auto-mark-filter name item))
- (run-hook-with-args
- 'newsticker-new-item-functions name item))))))
- itemlist)
- something-was-added))
-
-(defun newsticker--display-tick ()
- "Called from the display timer.
-This function calls a display function, according to the variable
-`newsticker-scroll-smoothly'."
- (if newsticker-scroll-smoothly
- (newsticker--display-scroll)
- (newsticker--display-jump)))
-
-(defsubst newsticker--echo-area-clean-p ()
- "Check whether somebody is using the echo area / minibuffer.
-Return t if echo area and minibuffer are unused."
- (not (or (active-minibuffer-window)
- (and (current-message)
- (not (string= (current-message)
- newsticker--prev-message))))))
-
-(defun newsticker--display-jump ()
- "Called from the display timer.
-This function displays the next ticker item in the echo area, unless
-there is another message displayed or the minibuffer is active."
- (let ((message-log-max nil));; prevents message text from being logged
- (when (newsticker--echo-area-clean-p)
- (setq newsticker--item-position (1+ newsticker--item-position))
- (when (>= newsticker--item-position (length newsticker--item-list))
- (setq newsticker--item-position 0))
- (setq newsticker--prev-message
- (nth newsticker--item-position newsticker--item-list))
- (message "%s" newsticker--prev-message))))
-
-(defun newsticker--display-scroll ()
- "Called from the display timer.
-This function scrolls the ticker items in the echo area, unless
-there is another message displayed or the minibuffer is active."
- (when (newsticker--echo-area-clean-p)
- (let* ((width (- (frame-width) 1))
- (message-log-max nil);; prevents message text from being logged
- (i newsticker--item-position)
- subtext
- (s-text newsticker--scrollable-text)
- (l (length s-text)))
- ;; don't show anything if there is nothing to show
- (unless (< (length s-text) 1)
- ;; repeat the ticker string if it is shorter than frame width
- (while (< (length s-text) width)
- (setq s-text (concat s-text s-text)))
- ;; get the width of the printed string
- (setq l (length s-text))
- (cond ((< i (- l width))
- (setq subtext (substring s-text i (+ i width))))
- (t
- (setq subtext (concat
- (substring s-text i l)
- (substring s-text 0 (- width (- l i)))))))
- ;; Take care of multibyte strings, for which (string-width) is
- ;; larger than (length).
- ;; Actually, such strings may be smaller than (frame-width)
- ;; because return values of (string-width) are too large:
- ;; (string-width "<japanese character>") => 2
- (let ((t-width (1- (length subtext))))
- (while (> (string-width subtext) width)
- (setq subtext (substring subtext 0 t-width))
- (setq t-width (1- t-width))))
- ;; show the ticker text and save current position
- (message "%s" subtext)
- (setq newsticker--prev-message subtext)
- (setq newsticker--item-position (1+ i))
- (when (>= newsticker--item-position l)
- (setq newsticker--item-position 0))))))
-
-;; ======================================================================
-;;; misc
-;; ======================================================================
-(defun newsticker--decode-numeric-entities (string)
- "Decode SGML numeric entities by their respective utf characters.
-This function replaces numeric entities in the input STRING and
-returns the modified string. For example \"*\" gets replaced
-by \"*\"."
- (if (and string (stringp string))
- (let ((start 0))
- (while (string-match "&#\\([0-9]+\\);" string start)
- (condition-case nil
- (setq string (replace-match
- (string (read (substring string
- (match-beginning 1)
- (match-end 1))))
- nil nil string))
- (error nil))
- (setq start (1+ (match-beginning 0))))
- string)
- nil))
-
-(defun newsticker--remove-whitespace (string)
- "Remove leading and trailing whitespace from STRING."
- ;; we must have ...+ but not ...* in the regexps otherwise xemacs loops
- ;; endlessly...
- (when (and string (stringp string))
- (replace-regexp-in-string
- "[ \t\r\n]+$" ""
- (replace-regexp-in-string "^[ \t\r\n]+" "" string))))
-
-(defun newsticker--do-forget-preformatted (item)
- "Forget pre-formatted data for ITEM.
-Remove the pre-formatted from `newsticker--cache'."
- (if (nthcdr 7 item)
- (setcar (nthcdr 7 item) nil))
- (if (nthcdr 6 item)
- (setcar (nthcdr 6 item) nil)))
-
-(defun newsticker--forget-preformatted ()
- "Forget all cached pre-formatted data.
-Remove the pre-formatted from `newsticker--cache'."
- (mapc (lambda (feed)
- (mapc 'newsticker--do-forget-preformatted
- (cdr feed)))
- newsticker--cache)
- (newsticker--buffer-set-uptodate nil))
-
-(defun newsticker--debug-msg (string &rest args)
- "Print newsticker debug messages.
-This function calls `message' with arguments STRING and ARGS, if
-`newsticker-debug' is non-nil."
- (and newsticker-debug
- ;;(not (active-minibuffer-window))
- ;;(not (current-message))
- (apply 'message string args)))
-
-(defun newsticker--decode-iso8601-date (iso8601-string)
- "Return ISO8601-STRING in format like `decode-time'.
-Converts from ISO-8601 to Emacs representation.
-Examples:
-2004-09-17T05:09:49+00:00
-2004-09-17T05:09+00:00
-2004-09-17T05:09:49
-2004-09-17T05:09
-2004-09-17
-2004-09
-2004"
- (if iso8601-string
- (when (string-match
- (concat
- "^ *\\([0-9]\\{4\\}\\)"
- "\\(-\\([0-9]\\{2\\}\\)"
- "\\(-\\([0-9]\\{2\\}\\)"
- "\\(T"
- "\\([0-9]\\{2\\}\\):\\([0-9]\\{2\\}\\)"
- "\\(:\\([0-9]\\{2\\}\\)\\)?"
- "\\(\\([-+Z]\\)\\(\\([0-9]\\{2\\}\\):\\([0-9]\\{2\\}\\)\\)?\\)?"
- "\\)?\\)?\\)? *$")
- iso8601-string)
- (let ((year (read (match-string 1 iso8601-string)))
- (month (read (or (match-string 3 iso8601-string)
- "1")))
- (day (read (or (match-string 5 iso8601-string)
- "1")))
- (hour (read (or (match-string 7 iso8601-string)
- "0")))
- (minute (read (or (match-string 8 iso8601-string)
- "0")))
- ;;(second (read (or (match-string 10 iso8601-string)
- ;; "0")))
- (sign (match-string 12 iso8601-string))
- (offset-hour (read (or (match-string 14 iso8601-string)
- "0")))
- (offset-minute (read (or (match-string 15 iso8601-string)
- "0")))
- (second 0))
- (cond ((string= sign "+")
- (setq hour (- hour offset-hour))
- (setq minute (- minute offset-minute)))
- ((string= sign "-")
- (setq hour (+ hour offset-hour))
- (setq minute (+ minute offset-minute))))
- ;; if UTC subtract current-time-zone offset
- ;;(setq second (+ (car (current-time-zone)) second)))
-
- (condition-case nil
- (encode-time second minute hour day month year t)
- (error
- (message "Cannot decode \"%s\"" iso8601-string)
- nil))))
- nil))
-
-(defun newsticker--decode-rfc822-date (rfc822-string)
- "Return RFC822-STRING in format like `decode-time'.
-Converts from RFC822 to Emacs representation.
-Examples:
-Sat, 07 Sep 2002 00:00:01 GMT
-07 Sep 2002 00:00:01 GMT
-07 Sep 2002"
- (if (and rfc822-string (stringp rfc822-string))
- (when (string-match
- (concat
- "\\s-*"
- ;; week day
-
"\\(\\(Mon\\|Tue\\|Wed\\|Thu\\|Fri\\|Sat\\|Sun\\)\\s-*,?\\)?\\s-*"
- ;; day
- "\\([0-9]\\{1,2\\}\\)\\s-+"
- ;; month
- "\\(Jan\\|Feb\\|Mar\\|Apr\\|May\\|Jun\\|Jul\\|Aug\\|"
- "Sep\\|Oct\\|Nov\\|Dec\\)\\s-+"
- ;; year
- "\\([0-9]\\{2,4\\}\\)"
- ;; time may be missing
- "\\(\\s-+"
- ;; hour
- "\\([0-9]\\{2\\}\\)"
- ;; minute
- ":\\([0-9]\\{2\\}\\)"
- ;; second
- "\\(:\\([0-9]\\{2\\}\\)\\)?"
- ;; zone -- fixme
- "\\(\\s-+.*\\)?"
- "\\)?")
- rfc822-string)
- (let ((day (read (match-string 3 rfc822-string)))
- (month-name (match-string 4 rfc822-string))
- (month 0)
- (year (read (match-string 5 rfc822-string)))
- (hour (read (or (match-string 7 rfc822-string) "0")))
- (minute (read (or (match-string 8 rfc822-string) "0")))
- (second (read (or (match-string 10 rfc822-string) "0")))
- ;;(zone (match-string 11 rfc822-string))
- )
- (condition-case error-data
- (let ((i 1))
- (mapc (lambda (m)
- (if (string= month-name m)
- (setq month i))
- (setq i (1+ i)))
- '("Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug"
- "Sep" "Oct" "Nov" "Dec"))
- (encode-time second minute hour day month year t))
- (error
- (message "Cannot decode \"%s\": %s %s" rfc822-string
- (car error-data) (cdr error-data))
- nil))))
- nil))
-
-(defun newsticker--lists-intersect-p (list1 list2)
- "Return t if LIST1 and LIST2 share elements."
- (let ((result nil))
- (mapc (lambda (elt)
- (if (memq elt list2)
- (setq result t)))
- list1)
- result))
-
-(defun newsticker--update-process-ids ()
- "Update list of ids of active newsticker processes.
-Checks list of active processes against list of newsticker processes."
- (let ((active-procs (process-list))
- (new-list nil))
- (mapc (lambda (proc)
- (let ((id (process-id proc)))
- (if (memq id newsticker--process-ids)
- (setq new-list (cons id new-list)))))
- active-procs)
- (setq newsticker--process-ids new-list))
- (force-mode-line-update))
-
-;; ======================================================================
-;;; images
-;; ======================================================================
-(defun newsticker--image-get (feed-name url)
- "Get image of the news site FEED-NAME from URL.
-If the image has been downloaded in the last 24h do nothing."
- (let ((image-name (concat newsticker-imagecache-dirname "/"
- feed-name)))
- (if (and (file-exists-p image-name)
- (time-less-p (current-time)
- (time-add (nth 5 (file-attributes image-name))
- (seconds-to-time 86400))))
- (newsticker--debug-msg "%s: Getting image for %s skipped"
- (format-time-string "%A, %H:%M" (current-time))
- feed-name)
- ;; download
- (newsticker--debug-msg "%s: Getting image for %s"
- (format-time-string "%A, %H:%M" (current-time))
- feed-name)
- (let* ((buffername (concat " *newsticker-wget-image-" feed-name "*"))
- (item (or (assoc feed-name newsticker-url-list)
- (assoc feed-name newsticker-url-list-defaults)
- (error
- "Cannot get news for %s: Check newsticker-url-list"
- feed-name)))
- (wget-arguments (or (car (cdr (cdr (cdr (cdr item)))))
- newsticker-wget-arguments)))
- (save-excursion
- (set-buffer (get-buffer-create buffername))
- (erase-buffer)
- ;; throw an error if there is an old wget-process around
- (if (get-process feed-name)
- (error "Another wget-process is running for image %s"
- feed-name))
- ;; start wget
- (let* ((args (append wget-arguments (list url)))
- (proc (apply 'start-process feed-name buffername
- newsticker-wget-name args)))
- (set-process-coding-system proc 'no-conversion 'no-conversion)
- (set-process-sentinel proc 'newsticker--image-sentinel)))))))
-
-(defun newsticker--image-sentinel (process event)
- "Sentinel for image-retrieving PROCESS caused by EVENT."
- (let* ((p-status (process-status process))
- (exit-status (process-exit-status process))
- (feed-name (process-name process)))
- ;; catch known errors (zombie processes, rubbish-xml, etc.)
- ;; if an error occurs the news feed is not updated!
- (catch 'oops
- (unless (and (eq p-status 'exit)
- (= exit-status 0))
- (message "%s: Error while retrieving image from %s"
- (format-time-string "%A, %H:%M" (current-time))
- feed-name)
- (throw 'oops nil))
- (let (image-name)
- (save-excursion
- (set-buffer (process-buffer process))
- (setq image-name (concat newsticker-imagecache-dirname "/"
- feed-name))
- (set-buffer-file-coding-system 'no-conversion)
- ;; make sure the cache dir exists
- (unless (file-directory-p newsticker-imagecache-dirname)
- (make-directory newsticker-imagecache-dirname))
- ;; write and close buffer
- (let ((require-final-newline nil)
- (backup-inhibited t)
- (coding-system-for-write 'no-conversion))
- (write-region nil nil image-name nil 'quiet))
- (set-buffer-modified-p nil)
- (kill-buffer (current-buffer)))))))
-
-(defun newsticker--image-read (feed-name-symbol disabled)
- "Read the cached image for FEED-NAME-SYMBOL from disk.
-If DISABLED is non-nil the image will be converted to a disabled look
-\(unless `newsticker-enable-logo-manipulations' is not t\).
-Return the image."
- (let ((image-name (concat newsticker-imagecache-dirname "/"
- (symbol-name feed-name-symbol)))
- (img nil))
- (when (file-exists-p image-name)
- (condition-case error-data
- (setq img (create-image
- image-name nil nil
- :conversion (and newsticker-enable-logo-manipulations
- disabled
- 'disabled)
- :mask (and newsticker-enable-logo-manipulations
- 'heuristic)
- :ascent 70))
- (error
- (message "Error: cannot create image for %s: %s"
- feed-name-symbol error-data))))
- img))
-
-;; ======================================================================
-;;; imenu stuff
-;; ======================================================================
-(defun newsticker--imenu-create-index ()
- "Scan newsticker buffer and return an index for imenu."
- (save-excursion
- (goto-char (point-min))
- (let ((index-alist nil)
- (feed-list nil)
- (go-ahead t))
- (while go-ahead
- (let ((type (get-text-property (point) 'nt-type))
- (title (get-text-property (point) 'nt-title)))
- (cond ((eq type 'feed)
- ;; we're on a feed heading
- (when feed-list
- (if index-alist
- (nconc index-alist (list feed-list))
- (setq index-alist (list feed-list))))
- (setq feed-list (list title)))
- (t
- (nconc feed-list
- (list (cons title (point)))))))
- (setq go-ahead (newsticker--buffer-goto '(item feed))))
- (if index-alist
- (nconc index-alist (list feed-list))
- (setq index-alist (list feed-list)))
- index-alist)))
-
-(defun newsticker--imenu-goto (name pos &rest args)
- "Go to item NAME at position POS and show item.
-ARGS are ignored."
- (goto-char pos)
- ;; show headline
- (newsticker--buffer-goto '(desc extra feed item))
- (let* ((inhibit-read-only t)
- (pos1 (max (point-min) (1- pos)))
- (pos2 (max pos1 (1- (point))))
- (inv-prop (get-text-property pos 'invisible))
- (org-inv-prop (get-text-property pos 'org-invisible)))
- (when (eq org-inv-prop nil)
- (add-text-properties pos1 pos2 (list 'invisible nil
- 'org-invisible inv-prop))))
- ;; show desc
- (newsticker-show-entry))
-
-;; ======================================================================
-;;; buffer stuff
-;; ======================================================================
-(defun newsticker--buffer-set-uptodate (value)
- "Set the uptodate-status of the newsticker buffer to VALUE.
-The mode-line is changed accordingly."
- (setq newsticker--buffer-uptodate-p value)
- (let ((b (get-buffer "*newsticker*")))
- (when b
- (save-excursion
- (set-buffer b)
- (if value
- (setq mode-name "Newsticker -- up to date -- ")
- (setq mode-name "Newsticker -- NEED UPDATE -- ")))
- (force-mode-line-update 0))))
-
-(defun newsticker--buffer-redraw ()
- "Redraw the newsticker window."
- (if (fboundp 'force-window-update)
- (force-window-update (current-buffer))
- (redraw-frame (selected-frame)))
- (run-hooks 'newsticker-buffer-change-hook)
- (sit-for 0))
-
-(defun newsticker--buffer-insert-all-items ()
- "Insert all cached newsticker items into the current buffer.
-Keeps order of feeds as given in `newsticker-url-list' and
-`newsticker-url-list-defaults'."
- (goto-char (point-min))
- (mapc (lambda (url-item)
- (let* ((feed-name (car url-item))
- (feed-name-symbol (intern feed-name))
- (feed (assoc feed-name-symbol newsticker--cache))
- (items (cdr feed))
- (pos (point)))
- (when feed
- ;; insert the feed description
- (mapc (lambda (item)
- (when (eq (newsticker--age item) 'feed)
- (newsticker--buffer-insert-item item
- feed-name-symbol)))
- items)
- ;;insert the items
- (mapc (lambda (item)
- (if (memq (newsticker--age item) '(new immortal old
- obsolete))
- (newsticker--buffer-insert-item item
- feed-name-symbol)))
- items)
- (put-text-property pos (point) 'feed (car feed))
-
- ;; insert empty line between feeds
- (let ((p (point)))
- (insert "\n")
- (put-text-property p (point) 'hard t)))))
- (append newsticker-url-list newsticker-url-list-defaults))
-
- (newsticker--buffer-set-faces (point-min) (point-max))
- (newsticker--buffer-set-invisibility (point-min) (point-max))
- (goto-char (point-min)))
-
-(defun newsticker--buffer-insert-item (item &optional feed-name-symbol)
- "Insert a news item in the current buffer.
-Insert a formatted representation of the ITEM. The optional parameter
-FEED-NAME-SYMBOL determines how the item is formatted and whether the
-item-retrieval time is added as well."
- ;; insert headline
- (if (eq (newsticker--age item) 'feed)
- (newsticker--buffer-do-insert-text item 'feed feed-name-symbol)
- (newsticker--buffer-do-insert-text item 'item feed-name-symbol))
- ;; insert the description
- (newsticker--buffer-do-insert-text item 'desc feed-name-symbol))
-
-(defun newsticker--buffer-do-insert-text (item type feed-name-symbol)
- "Actually insert contents of news item, format it, render it and all that.
-ITEM is a news item, TYPE tells which part of the item shall be inserted,
-FEED-NAME-SYMBOL tells to which feed this item belongs."
- (let* ((pos (point))
- (format newsticker-desc-format)
- (pos-date-start nil)
- (pos-date-end nil)
- (pos-stat-start nil)
- (pos-stat-end nil)
- (pos-text-start nil)
- (pos-text-end nil)
- (pos-extra-start nil)
- (pos-extra-end nil)
- (pos-enclosure-start nil)
- (pos-enclosure-end nil)
- (age (newsticker--age item))
- (preformatted-contents (newsticker--preformatted-contents item))
- (preformatted-title (newsticker--preformatted-title item)))
- (cond ((and preformatted-contents
- (not (eq (aref preformatted-contents 0) ?\n));; we must
- ;; NOT have a line
- ;; break!
- (eq type 'desc))
- (insert preformatted-contents))
- ((and preformatted-title
- (not (eq (aref preformatted-title 0) ?\n));; we must NOT have a
- ;; line break!
- (eq type 'item))
- (insert preformatted-title))
- (t
- ;; item was not formatted before.
- ;; Let's go.
- (if (eq type 'item)
- (setq format newsticker-item-format)
- (if (eq type 'feed)
- (setq format newsticker-heading-format)))
-
- (while (> (length format) 0)
- (let ((prefix (if (> (length format) 1)
- (substring format 0 2)
- "")))
- (cond ((string= "%c" prefix)
- ;; contents
- (when (newsticker--desc item)
- (setq pos-text-start (point-marker))
- (insert (newsticker--desc item))
- (setq pos-text-end (point-marker)))
- (setq format (substring format 2)))
- ((string= "%d" prefix)
- ;; date
- (setq pos-date-start (point-marker))
- (if (newsticker--time item)
- (insert (format-time-string newsticker-date-format
- (newsticker--time
item))))
- (setq pos-date-end (point-marker))
- (setq format (substring format 2)))
- ((string= "%l" prefix)
- ;; logo
- (let ((disabled (cond ((eq (newsticker--age item) 'feed)
- (= (newsticker--stat-num-items
- feed-name-symbol 'new) 0))
- (t
- (not (eq (newsticker--age item)
- 'new))))))
- (let ((img (newsticker--image-read feed-name-symbol
- disabled)))
- (when img
- (newsticker--insert-image img (car item)))))
- (setq format (substring format 2)))
- ((string= "%L" prefix)
- ;; logo or title
- (let ((disabled (cond ((eq (newsticker--age item) 'feed)
- (= (newsticker--stat-num-items
- feed-name-symbol 'new) 0))
- (t
- (not (eq (newsticker--age item)
- 'new))))))
- (let ((img (newsticker--image-read feed-name-symbol
- disabled)))
- (if img
- (newsticker--insert-image img (car item))
- (when (car item)
- (setq pos-text-start (point-marker))
- (if (eq (newsticker--age item) 'feed)
- (insert (newsticker--title item))
- ;; FIXME: This is not the "real" title!
- (insert (format "%s"
- (car (newsticker--cache-get-feed
- feed-name-symbol)))))
- (setq pos-text-end (point-marker))))))
- (setq format (substring format 2)))
- ((string= "%s" prefix)
- ;; statistics
- (setq pos-stat-start (point-marker))
- (if (eq (newsticker--age item) 'feed)
- (insert (newsticker--buffer-statistics
- feed-name-symbol)))
- (setq pos-stat-end (point-marker))
- (setq format (substring format 2)))
- ((string= "%t" prefix)
- ;; title
- (when (car item)
- (setq pos-text-start (point-marker))
- (insert (car item))
- (setq pos-text-end (point-marker)))
- (setq format (substring format 2)))
- ((string-match "%." prefix)
- ;; unknown specifier!
- (insert prefix)
- (setq format (substring format 2)))
- ((string-match "^\\([^%]*\\)\\(.*\\)" format) ;; FIXME!
- ;; everything else
- (let ((p (point)))
- (insert (substring format
- (match-beginning 1) (match-end 1)))
- ;; in case that the format string contained newlines
- (put-text-property p (point) 'hard t))
- (setq format (substring format (match-beginning 2)))))))
-
- ;; decode HTML if possible...
- (let ((is-rendered-HTML nil))
- (when (and newsticker-html-renderer pos-text-start pos-text-end)
- (condition-case error-data
- (save-excursion
- ;; check whether it is necessary to call html renderer
- ;; (regexp inspired by htmlr.el)
- (goto-char pos-text-start)
- (when (re-search-forward
- "</?[A-Za-z1-6]*\\|&#?[A-Za-z0-9]+;" pos-text-end
t)
- ;; (message "%s" (newsticker--title item))
- (let ((w3m-fill-column (if newsticker-use-full-width
- -1 fill-column))
- (w3-maximum-line-length
- (if newsticker-use-full-width nil fill-column)))
- (save-excursion
- (funcall newsticker-html-renderer pos-text-start
- pos-text-end)))
- (cond ((eq newsticker-html-renderer 'w3m-region)
- (add-text-properties pos (point-max)
- (list 'keymap
- w3m-minor-mode-map)))
- ((eq newsticker-html-renderer 'w3-region)
- (add-text-properties pos (point-max)
- (list 'keymap
w3-mode-map))))
- (setq is-rendered-HTML t)))
- (error
- (message "Error: HTML rendering failed: %s, %s"
- (car error-data) (cdr error-data)))))
- ;; After html rendering there might be chunks of blank
- ;; characters between rendered text and date, statistics or
- ;; whatever. Remove it
- (when (and (eq type 'item) is-rendered-HTML)
- (goto-char pos)
- (while (re-search-forward "[ \t]*\n[ \t]*" nil t)
- (replace-match " " nil nil))
- (goto-char (point-max)))
- (when (and newsticker-justification
- (memq type '(item desc))
- (not is-rendered-HTML))
- (condition-case nil
- (let ((use-hard-newlines t))
- (fill-region pos (point-max) newsticker-justification))
- (error nil))))
-
- ;; remove leading and trailing newlines
- (goto-char pos)
- (unless (= 0 (skip-chars-forward " \t\r\n"))
- (delete-region pos (point)))
- (goto-char (point-max))
- (let ((end (point)))
- (unless (= 0 (skip-chars-backward " \t\r\n" (1+ pos)))
- (delete-region (point) end)))
- (goto-char (point-max))
- ;; closing newline
- (unless nil ;;(eq pos (point))
- (insert "\n")
- (put-text-property (1- (point)) (point) 'hard t))
-
- ;; insert enclosure element
- (when (eq type 'desc)
- (setq pos-enclosure-start (point))
- (newsticker--buffer-insert-enclosure item)
- (setq pos-enclosure-end (point)))
-
- ;; show extra elements
- (when (eq type 'desc)
- (goto-char (point-max))
- (setq pos-extra-start (point))
- (newsticker--buffer-print-extra-elements item)
- (setq pos-extra-end (point)))
-
- ;; text properties
- (when (memq type '(feed item))
- (add-text-properties pos (1- (point))
- (list 'mouse-face 'highlight
- 'nt-link (newsticker--link item)
- 'help-echo
- (format "mouse-2: visit item (%s)"
- (newsticker--link item))
- 'keymap newsticker--url-keymap))
- (add-text-properties pos (point)
- (list 'nt-title (newsticker--title item)
- 'nt-desc (newsticker--desc item))))
-
- (add-text-properties pos (point)
- (list 'nt-type type
- 'nt-face type
- 'nt-age age
- 'nt-guid (newsticker--guid item)))
- (when (and pos-date-start pos-date-end)
- (put-text-property pos-date-start pos-date-end 'nt-face 'date))
- (when (and pos-stat-start pos-stat-end)
- (put-text-property pos-stat-start pos-stat-end 'nt-face 'stat))
- (when (and pos-extra-start pos-extra-end)
- (put-text-property pos-extra-start pos-extra-end
- 'nt-face 'extra)
- (put-text-property pos-extra-start pos-extra-end
- 'nt-type 'extra))
- (when (and pos-enclosure-start pos-enclosure-end
- (> pos-enclosure-end pos-enclosure-start))
- (put-text-property pos-enclosure-start (1- pos-enclosure-end)
- 'nt-face 'enclosure))
-
- ;; left margin
- ;;(unless (memq type '(feed item))
- ;;(set-left-margin pos (1- (point)) 1))
-
- ;; save rendered stuff
- (cond ((eq type 'desc)
- ;; preformatted contents
- (newsticker--cache-set-preformatted-contents
- item (buffer-substring pos (point))))
- ((eq type 'item)
- ;; preformatted title
- (newsticker--cache-set-preformatted-title
- item (buffer-substring pos (point)))))))))
-
-(defun newsticker--buffer-print-extra-elements (item)
- "Insert extra-elements of ITEM in a pretty form into the current buffer."
- (let ((ignored-elements '(items link title description
- content:encoded
- dc:subject dc:date item guid
- pubDate enclosure))
- (left-column-width 1))
- (mapc (lambda (extra-element)
- (unless (memq (car extra-element) ignored-elements)
- (setq left-column-width (max left-column-width
- (length (symbol-name
- (car extra-element)))))))
- (newsticker--extra item))
- (mapc (lambda (extra-element)
- (unless (memq (car extra-element) ignored-elements)
- (newsticker--buffer-do-print-extra-element extra-element
- left-column-width)))
- (newsticker--extra item))))
-
-(defun newsticker--buffer-do-print-extra-element (extra-element width)
- "Actually print an EXTRA-ELEMENT using the given WIDTH."
- (let ((name (symbol-name (car extra-element))))
- (insert (format "%s: " name))
- (insert (make-string (- width (length name)) ? )))
- (let (;;(attributes (cadr extra-element)) ;FIXME!!!!
- (contents (cddr extra-element)))
- (cond ((listp contents)
- (mapc (lambda (i)
- (if (and (stringp i)
- (string-match "^http://.*"; i))
- (let ((pos (point)))
- (insert i " ") ; avoid self-reference from the
- ; nt-link thing
- (add-text-properties
- pos (point)
- (list 'mouse-face 'highlight
- 'nt-link i
- 'help-echo
- (format "mouse-2: visit (%s)" i)
- 'keymap newsticker--url-keymap)))
- (insert (format "%s" i))))
- contents))
- (t
- (insert (format "%s" contents))))
- (insert "\n")))
-
-(defun newsticker--buffer-insert-enclosure (item)
- "Insert enclosure element of a news ITEM into the current buffer."
- (let ((enclosure (newsticker--enclosure item))
- (beg (point)))
- (when enclosure
- (let ((url (cdr (assoc 'url enclosure)))
- (length (string-to-number (or (cdr (assoc 'length enclosure))
- "0")))
- (type (cdr (assoc 'type enclosure))))
- (cond ((> length 1048576)
- (insert (format "Enclosed file (%s, %1.2f MBytes)" type
- (/ length 1048576))))
- ((> length 1024)
- (insert (format "Enclosed file (%s, %1.2f KBytes)" type
- (/ length 1024)))))
- (add-text-properties beg (point)
- (list 'mouse-face 'highlight
- 'nt-link url
- 'help-echo (format
- "mouse-2: visit (%s)" url)
- 'keymap newsticker--url-keymap
- 'nt-face 'enclosure
- 'nt-type 'desc))
- (insert "\n")))))
-
-(defun newsticker--buffer-statistics (feed-name-symbol)
- "Return a statistic string for the feed given by FEED-NAME-SYMBOL.
-See `newsticker-statistics-format'."
- (let ((case-fold-search nil))
- (replace-regexp-in-string
- "%a"
- (format "%d" (newsticker--stat-num-items feed-name-symbol))
- (replace-regexp-in-string
- "%i"
- (format "%d" (newsticker--stat-num-items feed-name-symbol 'immortal))
- (replace-regexp-in-string
- "%n"
- (format "%d" (newsticker--stat-num-items feed-name-symbol 'new))
- (replace-regexp-in-string
- "%o"
- (format "%d" (newsticker--stat-num-items feed-name-symbol 'old))
- (replace-regexp-in-string
- "%O"
- (format "%d" (newsticker--stat-num-items feed-name-symbol 'obsolete))
- newsticker-statistics-format)))))))
-
-(defun newsticker--buffer-set-faces (start end)
- "Add face properties according to mark property.
-Scans the buffer between START and END."
- (save-excursion
- ;;(put-text-property start end 'face 'newsticker-default-face)
- (goto-char start)
- (let ((pos1 start)
- (pos2 1)
- (nt-face (get-text-property start 'nt-face))
- (nt-age (get-text-property start 'nt-age)))
- (when nt-face
- (setq pos2 (next-single-property-change (point) 'nt-face))
- (newsticker--set-face-properties pos1 pos2 nt-face nt-age)
- (setq nt-face (get-text-property pos2 'nt-face))
- (setq pos1 pos2))
- (while (and (setq pos2 (next-single-property-change pos1 'nt-face))
- (<= pos2 end)
- (> pos2 pos1))
- (newsticker--set-face-properties pos1 pos2 nt-face nt-age)
- (setq nt-face (get-text-property pos2 'nt-face))
- (setq nt-age (get-text-property pos2 'nt-age))
- (setq pos1 pos2)))))
-
-(defun newsticker--buffer-set-invisibility (start end)
- "Add invisibility properties according to nt-type property.
-Scans the buffer between START and END. Sets the 'invisible
-property to '(<nt-type>-<nt-age> <nt-type> <nt-age>)."
- (save-excursion
- ;; reset invisibility settings
- (put-text-property start end 'invisible nil)
- ;; let's go
- (goto-char start)
- (let ((pos1 start)
- (pos2 1)
- (nt-type (get-text-property start 'nt-type))
- (nt-age (get-text-property start 'nt-age)))
- (when nt-type
- (setq pos2 (next-single-property-change (point) 'nt-type))
- (put-text-property (max (point-min) pos1) (1- pos2)
- 'invisible
- (list (intern
- (concat
- (symbol-name
- (if (eq nt-type 'extra) 'desc nt-type))
- "-"
- (symbol-name nt-age)))
- nt-type
- nt-age))
- (setq nt-type (get-text-property pos2 'nt-type))
- (setq pos1 pos2))
- (while (and (setq pos2 (next-single-property-change pos1 'nt-type))
- (<= pos2 end)
- (> pos2 pos1))
- ;; must shift one char to the left in order to handle inivisible
- ;; newlines, motion in invisible text areas and all that correctly
- (put-text-property (1- pos1) (1- pos2)
- 'invisible
- (list (intern
- (concat
- (symbol-name
- (if (eq nt-type 'extra) 'desc nt-type))
- "-"
- (symbol-name nt-age)))
- nt-type
- nt-age))
- (setq nt-type (get-text-property pos2 'nt-type))
- (setq nt-age (get-text-property pos2 'nt-age))
- (setq pos1 pos2)))))
-
-(defun newsticker--set-face-properties (pos1 pos2 nt-face age)
- "Set the face for the text between the positions POS1 and POS2.
-The face is chosen according the values of NT-FACE and AGE."
- (let ((face (cond ((eq nt-face 'feed)
- 'newsticker-feed-face)
- ((eq nt-face 'item)
- (cond ((eq age 'new)
- 'newsticker-new-item-face)
- ((eq age 'old)
- 'newsticker-old-item-face)
- ((eq age 'immortal)
- 'newsticker-immortal-item-face)
- ((eq age 'obsolete)
- 'newsticker-obsolete-item-face)))
- ((eq nt-face 'date)
- 'newsticker-date-face)
- ((eq nt-face 'stat)
- 'newsticker-statistics-face)
- ((eq nt-face 'extra)
- 'newsticker-extra-face)
- ((eq nt-face 'enclosure)
- 'newsticker-enclosure-face))))
- (when face
- (put-text-property pos1 (max pos1 pos2) 'face face))))
-
-(defun newsticker--insert-image (img string)
- "Insert IMG with STRING at point."
- (insert-image img string))
-
-;; ======================================================================
-;;; HTML rendering
-;; ======================================================================
-
-;; External.
-(declare-function htmlr-reset "ext:htmlr" ())
-(declare-function htmlr-step "ext:htmlr" ())
-
-(defun newsticker-htmlr-render (pos1 pos2) ;
- "Replacement for `htmlr-render'.
-Renders the HTML code in the region POS1 to POS2 using htmlr."
- (let ((str (buffer-substring-no-properties pos1 pos2)))
- (delete-region pos1 pos2)
- (insert
- (with-temp-buffer
- (insert str)
- (goto-char (point-min))
- ;; begin original htmlr-render
- (htmlr-reset)
- ;; something omitted here...
- (while (< (point) (point-max))
- (htmlr-step))
- ;; end original htmlr-render
- (newsticker--remove-whitespace (buffer-string))))))
-
-;; ======================================================================
-;;; Functions working on the *newsticker* buffer
-;; ======================================================================
-(defun newsticker--buffer-make-item-completely-visible ()
- "Scroll buffer until current item is completely visible."
- (when newsticker--auto-narrow-to-feed
- (let* ((min (or (save-excursion (newsticker--buffer-beginning-of-feed))
- (point-min)))
- (max (or (save-excursion (newsticker--buffer-end-of-feed))
- (point-max))))
- (narrow-to-region min max)))
- (when newsticker--auto-narrow-to-item
- (let* ((min (or (save-excursion (newsticker--buffer-beginning-of-item))
- (point-min)))
- (max (or (save-excursion (newsticker--buffer-end-of-item))
- (point-max))))
- (narrow-to-region min max)))
- (sit-for 0)
- ;; do not count lines and stuff because that does not work when images
- ;; are displayed. Do it the simple way:
- (save-excursion
- (newsticker--buffer-end-of-item)
- (unless (pos-visible-in-window-p)
- (recenter -1)))
- (unless (pos-visible-in-window-p)
- (recenter 0)))
-
-(defun newsticker--buffer-get-feed-title-at-point ()
- "Return feed symbol of headline at point."
- (format "%s" (or (get-text-property (point) 'feed) " ")))
-
-(defun newsticker--buffer-get-item-title-at-point ()
- "Return feed symbol of headline at point."
- (format "%s" (or (get-text-property (point) 'nt-title) " ")))
-
-(defun newsticker--buffer-goto (types &optional age backwards)
- "Search next occurrence of TYPES in current buffer.
-TYPES is a list of symbols. If TYPES is found point is moved, if
-not point is left unchanged. If optional parameter AGE is not
-nil, the type AND the age must match. If BACKWARDS is t, search
-backwards."
- (let ((pos (save-excursion
- (save-restriction
- (widen)
- (catch 'found
- (let ((tpos (point)))
- (while (setq tpos
- (if backwards
- (if (eq tpos (point-min))
- nil
- (or (previous-single-property-change
- tpos 'nt-type)
- (point-min)))
- (next-single-property-change
- tpos 'nt-type)))
- (and (memq (get-text-property tpos 'nt-type) types)
- (or (not age)
- (eq (get-text-property tpos 'nt-age) age))
- (throw 'found tpos)))))))))
- (when pos
- (goto-char pos))
- pos))
-
-(defun newsticker--buffer-hideshow (mark-age onoff)
- "Hide or show items of type MARK-AGE.
-If ONOFF is nil the item is hidden, otherwise it is shown."
- (if onoff
- (remove-from-invisibility-spec mark-age)
- (add-to-invisibility-spec mark-age)))
-
-(defun newsticker--buffer-beginning-of-item ()
- "Move point to the beginning of the item at point.
-Return new position."
- (if (bobp)
- (point)
- (let ((type (get-text-property (point) 'nt-type))
- (typebefore (get-text-property (1- (point)) 'nt-type)))
- (if (and (memq type '(item feed))
- (not (eq type typebefore)))
- (point)
- (newsticker--buffer-goto '(item feed) nil t)
- (point)))))
-
-(defun newsticker--buffer-beginning-of-feed ()
- "Move point to the beginning of the feed at point.
-Return new position."
- (if (bobp)
- (point)
- (let ((type (get-text-property (point) 'nt-type))
- (typebefore (get-text-property (1- (point)) 'nt-type)))
- (if (and (memq type '(feed))
- (not (eq type typebefore)))
- (point)
- (newsticker--buffer-goto '(feed) nil t)
- (point)))))
-
-(defun newsticker--buffer-end-of-item ()
- "Move point to the end of the item at point.
-Take care: end of item is at the end of its last line!"
- (when (newsticker--buffer-goto '(item feed nil))
- (point)))
-
-(defun newsticker--buffer-end-of-feed ()
- "Move point to the end of the last item of the feed at point.
-Take care: end of item is at the end of its last line!"
- (when (newsticker--buffer-goto '(feed nil))
- (backward-char 1)
- (point)))
-
-;; ======================================================================
-;;; manipulation of ticker text
-;; ======================================================================
-(defun newsticker--ticker-text-setup ()
- "Build the ticker text which is scrolled or flashed in the echo area."
- ;; reset scrollable text
- (setq newsticker--scrollable-text "")
- (setq newsticker--item-list nil)
- (setq newsticker--item-position 0)
- ;; build scrollable text from cache data
- (let ((have-something nil))
- (mapc
- (lambda (feed)
- (let ((feed-name (symbol-name (car feed))))
- (let ((num-new (newsticker--stat-num-items (car feed) 'new))
- (num-old (newsticker--stat-num-items (car feed) 'old))
- (num-imm (newsticker--stat-num-items (car feed) 'immortal))
- (num-obs (newsticker--stat-num-items (car feed) 'obsolete)))
- (when (or (> num-new 0)
- (and (> num-old 0)
- (not newsticker-hide-old-items-in-echo-area))
- (and (> num-imm 0)
- (not newsticker-hide-immortal-items-in-echo-area))
- (and (> num-obs 0)
- (not newsticker-hide-obsolete-items-in-echo-area)))
- (setq have-something t)
- (mapc
- (lambda (item)
- (let ((title (replace-regexp-in-string
- "[\r\n]+" " "
- (newsticker--title item)))
- (age (newsticker--age item)))
- (unless (string= title newsticker--error-headline)
- (when
- (or (eq age 'new)
- (and (eq age 'old)
- (not newsticker-hide-old-items-in-echo-area))
- (and (eq age 'obsolete)
- (not
- newsticker-hide-obsolete-items-in-echo-area))
- (and (eq age 'immortal)
- (not
-
newsticker-hide-immortal-items-in-echo-area)))
- (setq title (newsticker--remove-whitespace title))
- ;; add to flash list
- (add-to-list 'newsticker--item-list
- (concat feed-name ": " title) t)
- ;; and to the scrollable text
- (setq newsticker--scrollable-text
- (concat newsticker--scrollable-text
- " " feed-name ": " title " +++"))))))
- (cdr feed))))))
- newsticker--cache)
- (when have-something
- (setq newsticker--scrollable-text
- (concat "+++ "
- (format-time-string "%A, %H:%M"
- newsticker--latest-update-time)
- " ++++++" newsticker--scrollable-text)))))
-
-(defun newsticker--ticker-text-remove (feed title)
- "Remove the item of FEED with TITLE from the ticker text."
- ;; reset scrollable text
- (setq newsticker--item-position 0)
- (let ((feed-name (symbol-name feed))
- (t-title (replace-regexp-in-string "[\r\n]+" " " title)))
- ;; remove from flash list
- (setq newsticker--item-list (remove (concat feed-name ": " t-title)
- newsticker--item-list))
- ;; and from the scrollable text
- (setq newsticker--scrollable-text
- (replace-regexp-in-string
- (regexp-quote (concat " " feed-name ": " t-title " +++"))
- ""
- newsticker--scrollable-text))
- (if (string-match (concat "^\\+\\+\\+ [A-Z][a-z]+, "
- "[012]?[0-9]:[0-9][0-9] \\+\\+\\+\\+\\+\\+$")
- newsticker--scrollable-text)
- (setq newsticker--scrollable-text ""))))
-
-;; ======================================================================
-;;; manipulation of cached data
-;; ======================================================================
-(defun newsticker--cache-set-preformatted-contents (item contents)
- "Set preformatted contents of ITEM to CONTENTS."
- (if (nthcdr 6 item)
- (setcar (nthcdr 6 item) contents)
- (setcdr (nthcdr 5 item) (list contents))))
-
-(defun newsticker--cache-set-preformatted-title (item title)
- "Set preformatted title of ITEM to TITLE."
- (if (nthcdr 7 item)
- (setcar (nthcdr 7 item) title)
- (setcdr (nthcdr 6 item) title)))
-
-(defun newsticker--cache-replace-age (data feed old-age new-age)
- "Mark all items in DATA in FEED which carry age OLD-AGE with NEW-AGE.
-If FEED is 'any it applies to all feeds. If OLD-AGE is 'any,
-all marks are replaced by NEW-AGE. Removes all pre-formatted contents."
- (mapc (lambda (a-feed)
- (when (or (eq feed 'any)
- (eq (car a-feed) feed))
- (let ((items (cdr a-feed)))
- (mapc (lambda (item)
- (when (or (eq old-age 'any)
- (eq (newsticker--age item) old-age))
- (setcar (nthcdr 4 item) new-age)
- (newsticker--do-forget-preformatted item)))
- items))))
- data)
- data)
-
-(defun newsticker--cache-mark-expired (data feed old-age new-age time)
- "Mark all expired entries.
-This function sets the age entries in DATA in the feed FEED. If
-an item's age is OLD-AGE it is set to NEW-AGE if the item is
-older than TIME."
- (mapc
- (lambda (a-feed)
- (when (or (eq feed 'any)
- (eq (car a-feed) feed))
- (let ((items (cdr a-feed)))
- (mapc
- (lambda (item)
- (when (eq (newsticker--age item) old-age)
- (let ((exp-time (time-add (newsticker--time item)
- (seconds-to-time time))))
- (when (time-less-p exp-time (current-time))
- (newsticker--debug-msg
- "Item `%s' from %s has expired on %s"
- (newsticker--title item)
- (format-time-string "%Y-%02m-%d, %H:%M"
- (newsticker--time item))
- (format-time-string "%Y-%02m-%d, %H:%M" exp-time))
- (setcar (nthcdr 4 item) new-age)))))
- items))))
- data)
- data)
-
-(defun newsticker--cache-contains (data feed title desc link age
- &optional guid)
- "Check DATA whether FEED contains an item with the given properties.
-This function returns the contained item or nil if it is not
-contained.
-The properties which are checked are TITLE, DESC, LINK, AGE, and
-GUID. In general all properties must match in order to return a
-certain item, except for the following cases.
-
-If AGE equals 'feed the TITLE, DESCription and LINK do not
-matter. If DESC is nil it is ignored as well. If
-`newsticker-desc-comp-max' is non-nil, only the first
-`newsticker-desc-comp-max' characters of DESC are taken into
-account.
-
-If GUID is non-nil it is sufficient to match this value, and the
-other properties are ignored."
- (condition-case nil
- (catch 'found
- (when (and desc newsticker-desc-comp-max
- (> (length desc) newsticker-desc-comp-max))
- (setq desc (substring desc 0 newsticker-desc-comp-max)))
- (mapc
- (lambda (this-feed)
- (when (eq (car this-feed) feed)
- (mapc (lambda (anitem)
- (when (or
- ;; global unique id can match
- (and guid
- (string= guid (newsticker--guid anitem)))
- ;; or title, desc, etc.
- (and
- ;;(or (not (eq age 'feed))
- ;; (eq (newsticker--age anitem) 'feed))
- (string= (newsticker--title anitem)
- title)
- (or (not link)
- (string= (newsticker--link anitem)
- link))
- (or (not desc)
- (if (and desc newsticker-desc-comp-max
- (> (length (newsticker--desc anitem))
- newsticker-desc-comp-max))
- (string= (substring
- (newsticker--desc anitem)
- 0 newsticker-desc-comp-max)
- desc)
- (string= (newsticker--desc anitem)
- desc)))))
- (throw 'found anitem)))
- (cdr this-feed))))
- data)
- nil)
- (error nil)))
-
-(defun newsticker--cache-add (data feed-name-symbol title desc link time age
- position extra-elements
- &optional updated-age updated-time
- preformatted-contents
- preformatted-title)
- "Add another item to cache data.
-Add to DATA in the FEED-NAME-SYMBOL an item with TITLE, DESC,
-LINK, TIME, AGE, POSITION, and EXTRA-ELEMENTS. If this item is
-contained already, its mark is set to UPDATED-AGE, its time is
-set to UPDATED-TIME, and its pre-formatted contents is set to
-PREFORMATTED-CONTENTS and PREFORMATTED-TITLE. Returns the age
-which the item got."
- (let ((item (newsticker--cache-contains data feed-name-symbol title
- desc link age)))
- (if item
- ;; does exist already -- change age, update time and position
- (progn
- (if (nthcdr 5 item)
- (setcar (nthcdr 5 item) position)
- (setcdr (nthcdr 4 item) (list position)))
- (setcar (nthcdr 4 item) updated-age)
- (if updated-time
- (setcar (nthcdr 3 item) updated-time))
- ;; replace cached pre-formatted contents
- (newsticker--cache-set-preformatted-contents
- item preformatted-contents)
- (newsticker--cache-set-preformatted-title
- item preformatted-title))
- ;; did not exist or age equals 'feed-name-symbol
- (catch 'found
- (mapc (lambda (this-feed)
- (when (eq (car this-feed) feed-name-symbol)
- (setcdr this-feed (nconc (cdr this-feed)
- (list (list title desc link
- time age position
- preformatted-contents
- preformatted-title
- extra-elements))))
- (throw 'found this-feed)))
- data)
- ;; the feed is not contained
- (add-to-list 'data (list feed-name-symbol
- (list title desc link time age position
- preformatted-contents
- preformatted-title
- extra-elements))
- t))))
- data)
-
-(defun newsticker--cache-remove (data feed-symbol age)
- "Remove all entries from DATA in the feed FEED-SYMBOL with AGE.
-FEED-SYMBOL may be 'any. Entries from old feeds, which are no longer in
-`newsticker-url-list' or `newsticker-url-list-defaults', are removed as
-well."
- (let* ((pos data)
- (feed (car pos))
- (last-pos nil))
- (while feed
- (if (or (assoc (symbol-name (car feed)) newsticker-url-list)
- (assoc (symbol-name (car feed)) newsticker-url-list-defaults))
- ;; feed is still valid=active
- ;; (message "Keeping feed %s" (car feed))
- (if (or (eq feed-symbol 'any)
- (eq feed-symbol (car feed)))
- (let* ((item-pos (cdr feed))
- (item (car item-pos))
- (prev-pos nil))
- (while item
- ;;(message "%s" (car item))
- (if (eq age (newsticker--age item))
- ;; remove this item
- (progn
- ;;(message "Removing item %s" (car item))
- (if prev-pos
- (setcdr prev-pos (cdr item-pos))
- (setcdr feed (cdr item-pos))))
- ;;(message "Keeping item %s" (car item))
- (setq prev-pos item-pos))
- (setq item-pos (cdr item-pos))
- (setq item (car item-pos)))))
- ;; feed is not active anymore
- ;; (message "Removing feed %s" (car feed))
- (if last-pos
- (setcdr last-pos (cdr pos))
- (setq data (cdr pos))))
- (setq last-pos pos)
- (setq pos (cdr pos))
- (setq feed (car pos)))))
-
-;; ======================================================================
-;;; Sorting
-;; ======================================================================
-(defun newsticker--cache-item-compare-by-time (item1 item2)
- "Compare two news items ITEM1 and ITEM2 by comparing their time values."
- (catch 'result
- (let ((age1 (newsticker--age item1))
- (age2 (newsticker--age item2)))
- (if (not (eq age1 age2))
- (cond ((eq age1 'obsolete)
- (throw 'result nil))
- ((eq age2 'obsolete)
- (throw 'result t)))))
- (let* ((time1 (newsticker--time item1))
- (time2 (newsticker--time item2)))
- (cond ((< (nth 0 time1) (nth 0 time2))
- nil)
- ((> (nth 0 time1) (nth 0 time2))
- t)
- ((< (nth 1 time1) (nth 1 time2))
- nil)
- ((> (nth 1 time1) (nth 1 time2))
- t)
- ((< (or (nth 2 time1) 0) (or (nth 2 time2) 0))
- nil)
- ((> (or (nth 2 time1) 0) (or (nth 2 time2) 0))
- t)
- (t
- nil)))))
-
-(defun newsticker--cache-item-compare-by-title (item1 item2)
- "Compare ITEM1 and ITEM2 by comparing their titles."
- (catch 'result
- (let ((age1 (newsticker--age item1))
- (age2 (newsticker--age item2)))
- (if (not (eq age1 age2))
- (cond ((eq age1 'obsolete)
- (throw 'result nil))
- ((eq age2 'obsolete)
- (throw 'result t)))))
- (string< (newsticker--title item1) (newsticker--title item2))))
-
-(defun newsticker--cache-item-compare-by-position (item1 item2)
- "Compare ITEM1 and ITEM2 by comparing their original positions."
- (catch 'result
- (let ((age1 (newsticker--age item1))
- (age2 (newsticker--age item2)))
- (if (not (eq age1 age2))
- (cond ((eq age1 'obsolete)
- (throw 'result nil))
- ((eq age2 'obsolete)
- (throw 'result t)))))
- (< (or (newsticker--pos item1) 0) (or (newsticker--pos item2) 0))))
-
-(defun newsticker--cache-sort ()
- "Sort the newsticker cache data."
- (let ((sort-fun (cond ((eq newsticker-sort-method 'sort-by-time)
- 'newsticker--cache-item-compare-by-time)
- ((eq newsticker-sort-method 'sort-by-title)
- 'newsticker--cache-item-compare-by-title)
- ((eq newsticker-sort-method 'sort-by-original-order)
- 'newsticker--cache-item-compare-by-position))))
- (mapc (lambda (feed-list)
- (setcdr feed-list (sort (cdr feed-list)
- sort-fun)))
- newsticker--cache)))
-
-(defun newsticker--cache-update (&optional save)
- "Update newsticker cache file.
-If optional argument SAVE is not nil the cache file is saved to disk."
- (save-excursion
- (let ((coding-system-for-write 'utf-8)
- (buf (find-file-noselect newsticker-cache-filename)))
- (when buf
- (set-buffer buf)
- (setq buffer-undo-list t)
- (erase-buffer)
- (insert ";; -*- coding: utf-8 -*-\n")
- (insert (prin1-to-string newsticker--cache))
- (when save
- (save-buffer))))))
-
-(defun newsticker--cache-get-feed (feed)
- "Return the cached data for the feed FEED.
-FEED is a symbol!"
- (assoc feed newsticker--cache))
-
-;; ======================================================================
-;;; Statistics
-;; ======================================================================
-(defun newsticker--stat-num-items (feed &optional age)
- "Return number of items in the given FEED which have the given AGE.
-If AGE is nil, the total number of items is returned."
- (let ((items (cdr (newsticker--cache-get-feed feed)))
- (num 0))
- (while items
- (if age
- (if (eq (newsticker--age (car items)) age)
- (setq num (1+ num)))
- (if (memq (newsticker--age (car items)) '(new old immortal obsolete))
- (setq num (1+ num))))
- (setq items (cdr items)))
- num))
-
-;; ======================================================================
-;;; OPML
-;; ======================================================================
-(defun newsticker-opml-export ()
- "OPML subscription export.
-Export subscriptions to a buffer in OPML Format."
- (interactive)
- (with-current-buffer (get-buffer-create "*OPML Export*")
- (set-buffer-file-coding-system 'utf-8)
- (insert (concat
- "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
- "<!-- OPML generated by Emacs newsticker.el -->\n"
- "<opml version=\"1.0\">\n"
- " <head>\n"
- " <title>mySubscriptions</title>\n"
- " <dateCreated>" (format-time-string "%a, %d %b %Y %T %z")
- "</dateCreated>\n"
- " <ownerEmail>" user-mail-address "</ownerEmail>\n"
- " <ownerName>" (user-full-name) "</ownerName>\n"
- " </head>\n"
- " <body>\n"))
- (mapc (lambda (sub)
- (insert " <outline text=\"")
- (insert (newsticker--title sub))
- (insert "\" xmlUrl=\"")
- (insert (cadr sub))
- (insert "\"/>\n"))
- (append newsticker-url-list newsticker-url-list-defaults))
- (insert " </body>\n</opml>\n"))
- (pop-to-buffer "*OPML Export*")
- (when (fboundp 'sgml-mode)
- (sgml-mode)))
-
-(defun newsticker-opml-import (filename)
- "Import OPML data from FILENAME."
- (interactive "fOPML file: ")
- (set-buffer (find-file-noselect filename))
- (goto-char (point-min))
- (let* ((node-list (xml-parse-region (point-min) (point-max)))
- (body (car (xml-get-children (car node-list) 'body)))
- (outlines (xml-get-children body 'outline)))
- (mapc (lambda (outline)
- (let ((name (xml-get-attribute outline 'text))
- (url (xml-get-attribute outline 'xmlUrl)))
- (add-to-list 'newsticker-url-list
- (list name url nil nil nil) t)))
- outlines))
- (customize-variable 'newsticker-url-list))
-
-;; ======================================================================
-;;; Auto marking
-;; ======================================================================
-(defun newsticker--run-auto-mark-filter (feed item)
- "Automatically mark an item as old or immortal.
-This function checks the variable `newsticker-auto-mark-filter-list'
-for an entry that matches FEED and ITEM."
- (let ((case-fold-search t))
- (mapc (lambda (filter)
- (let ((filter-feed (car filter))
- (pattern-list (cadr filter)))
- (when (string-match filter-feed feed)
- (newsticker--do-run-auto-mark-filter item pattern-list))))
- newsticker-auto-mark-filter-list)))
-
-(defun newsticker--do-run-auto-mark-filter (item list)
- "Actually compare ITEM against the pattern-LIST
-\(from `newsticker-auto-mark-filter-list')."
- (mapc (lambda (pattern)
- (let ((age (nth 0 pattern))
- (place (nth 1 pattern))
- (regexp (nth 2 pattern))
- (title (newsticker--title item))
- (desc (newsticker--desc item)))
- (when (or (eq place 'title) (eq place 'all))
- (when (and title (string-match regexp title))
- (newsticker--debug-msg "Auto-marking as %s: `%s'"
- age (newsticker--title item))
- (setcar (nthcdr 4 item) age)))
- (when (or (eq place 'description) (eq place 'all))
- (when (and desc (string-match regexp desc))
- (newsticker--debug-msg "Auto-marking as %s: `%s'"
- age (newsticker--title item))
- (setcar (nthcdr 4 item) age)))))
- list))
-
-
-;; ======================================================================
-;;; hook samples
-;; ======================================================================
-(defun newsticker-new-item-functions-sample (feed item)
- "Demonstrate the use of the `newsticker-new-item-functions' hook.
-This function just prints out the values of the FEED and title of the ITEM."
- (message (concat "newsticker-new-item-functions-sample: feed=`%s', "
- "title=`%s'")
- feed (newsticker--title item)))
-
-(defun newsticker-download-images (feed item)
- "Download the first image.
-If FEED equals \"imagefeed\" download the first image URL found
-in the description=contents of ITEM to the directory
-\"~/tmp/newsticker/FEED/TITLE\" where TITLE is the title of the item."
- (when (string= feed "imagefeed")
- (let ((title (newsticker--title item))
- (desc (newsticker--desc item)))
- (when (string-match "<img src=\"\\(http://[^ \"]+\\)\"" desc)
- (let ((url (substring desc (match-beginning 1) (match-end 1)))
- (temp-dir (concat "~/tmp/newsticker/" feed "/" title))
- (org-dir default-directory))
- (unless (file-directory-p temp-dir)
- (make-directory temp-dir t))
- (cd temp-dir)
- (message "Getting image %s" url)
- (apply 'start-process "wget-image"
- " *newsticker-wget-download-images*"
- newsticker-wget-name
- (list url))
- (cd org-dir))))))
-
-(defun newsticker-download-enclosures (feed item)
- "In all FEEDs download the enclosed object of the news ITEM.
-The object is saved to the directory \"~/tmp/newsticker/FEED/TITLE\", which
-is created if it does not exist. TITLE is the title of the news
-item. Argument FEED is ignored.
-This function is suited for adding it to `newsticker-new-item-functions'."
- (let ((title (newsticker--title item))
- (enclosure (newsticker--enclosure item)))
- (when enclosure
- (let ((url (cdr (assoc 'url enclosure)))
- (temp-dir (concat "~/tmp/newsticker/" feed "/" title))
- (org-dir default-directory))
- (unless (file-directory-p temp-dir)
- (make-directory temp-dir t))
- (cd temp-dir)
- (message "Getting enclosure %s" url)
- (apply 'start-process "wget-enclosure"
- " *newsticker-wget-download-enclosures*"
- newsticker-wget-name
- (list url))
- (cd org-dir)))))
-
+(require 'newsticker-backend)
+(require 'newsticker-ticker)
+(require 'newsticker-reader)
+(require 'newsticker-plainview)
+(require 'newsticker-treeview)
(provide 'newsticker)
- [Emacs-diffs] Changes to emacs/lisp/net/newsticker.el,v,
Ulf Jasper <=