forked from hayamiz/twittering-mode
/
twittering-mode.el
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twittering-mode.el
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;;; twittering-mode.el --- Major mode for Twitter
;; Copyright (C) 2007, 2009, 2010 Yuto Hayamizu.
;; 2008 Tsuyoshi CHO
;; Author: Y. Hayamizu <y.hayamizu@gmail.com>
;; Tsuyoshi CHO <Tsuyoshi.CHO+develop@Gmail.com>
;; Alberto Garcia <agarcia@igalia.com>
;; Created: Sep 4, 2007
;; Version: HEAD
;; Identity: $Id$
;; Keywords: twitter web
;; URL: http://twmode.sf.net/
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; twittering-mode.el is a major mode for Twitter.
;; You can check friends timeline, and update your status on Emacs.
;;; Feature Request:
;; URL : http://twitter.com/d00dle/statuses/577876082
;; * Status Input from Popup buffer and C-cC-c to POST.
;; URL : http://code.nanigac.com/source/view/419
;; * update status for region
;;; Code:
(eval-when-compile (require 'cl))
(require 'xml)
(eval-and-compile
;; On byte-compilation, Emacs21 requires loading the libraries
;; distributed with twittering-mode.el for macros defined in them.
(when (> 22 emacs-major-version)
(setq load-path
(append (mapcar (lambda (dir)
(expand-file-name
dir
(if load-file-name
(or (file-name-directory load-file-name)
".")
".")))
'("url-emacs21" "emacs21"))
load-path))))
(when (> 22 emacs-major-version)
(and (require 'un-define nil t)
;; the explicitly require 'unicode to update a workaround with
;; navi2ch. see a comment of `twittering-ucs-to-char' for more
;; details.
(require 'unicode nil t))
(defadvice url-scheme-register-proxy (around twittering-fix-process-env (scheme) activate)
(let ((process-environment
(apply 'append
(let ((env-var (concat scheme "_proxy")))
(mapcar
(lambda (str)
(if (string-match
(concat "^\\("
(regexp-opt (list (upcase env-var)
(downcase env-var)))
"\\)=$")
str)
nil
(list str)))
process-environment)))))
ad-do-it)))
(require 'url)
(defconst twittering-mode-version "HEAD")
(defconst twittering-mode-identity "$Id$")
(defvar twittering-api-host "api.twitter.com")
(defvar twittering-api-search-host "search.twitter.com")
(defvar twittering-web-host "twitter.com")
(defvar twittering-oauth-request-token-url-without-scheme
"://api.twitter.com/oauth/request_token")
(defvar twittering-oauth-authorization-url-base-without-scheme
"://api.twitter.com/oauth/authorize?oauth_token=")
(defvar twittering-oauth-access-token-url-without-scheme
"://api.twitter.com/oauth/access_token")
(defun twittering-mode-version ()
"Display a message for twittering-mode version."
(interactive)
(let ((version-string
(format "twittering-mode-v%s" twittering-mode-version)))
(if (interactive-p)
(message "%s" version-string)
version-string)))
(defvar twittering-auth-method 'oauth
"*Authentication method for `twittering-mode'.
The symbol `basic' means Basic Authentication. The symbol `oauth' means
OAuth Authentication. The symbol `xauth' means xAuth Authentication.
OAuth Authentication requires `twittering-oauth-consumer-key' and
`twittering-oauth-consumer-secret'. Additionally, it requires an external
command `curl' or another command included in `tls-program', which may be
`openssl' or `gnutls-cli', for SSL.")
(defvar twittering-account-authorization nil
"State of account authorization for `twittering-username' and
`twittering-password'. The value is one of the following symbols:
nil -- The account have not been authorized yet.
queried -- The authorization has been queried, but not finished yet.
authorized -- The account has been authorized.")
(defvar twittering-oauth-use-ssl t
"*Whether to use SSL on authentication via OAuth. Twitter requires SSL
on authorization via OAuth.")
(defvar twittering-oauth-invoke-browser nil
"*Whether to invoke a browser on authorization of access key automatically.")
(defvar twittering-oauth-consumer-key nil)
(defvar twittering-oauth-consumer-secret nil)
(defvar twittering-oauth-access-token-alist nil)
(defconst twittering-max-number-of-tweets-on-retrieval 200
"The maximum number of `twittering-number-of-tweets-on-retrieval'.")
(defvar twittering-number-of-tweets-on-retrieval 20
"*The number of tweets which will be retrieved in one request.
The upper limit is `twittering-max-number-of-tweets-on-retrieval'.")
(defvar twittering-tinyurl-service 'tinyurl
"*The service to shorten URI.
This must be one of key symbols of `twittering-tinyurl-services-map'.
To use 'bit.ly or 'j.mp, you have to configure `twittering-bitly-login' and
`twittering-bitly-api-key'.")
(defvar twittering-tinyurl-services-map
'((bit.ly twittering-make-http-request-for-bitly
(lambda (service reply)
(if (string-match "\n\\'" reply)
(substring reply 0 (match-beginning 0))
reply)))
(goo.gl
(lambda (service longurl)
(twittering-make-http-request-from-uri
"POST" '(("Content-Type" . "application/json"))
"https://www.googleapis.com/urlshortener/v1/url"
(concat "{\"longUrl\": \"" longurl "\"}")))
(lambda (service reply)
(when (string-match "\"id\"[[:space:]]*:[[:space:]]*\"\\([^\"]*\\)\""
reply)
(match-string 1 reply))))
(is.gd . "http://is.gd/create.php?format=simple&url=")
(j.mp twittering-make-http-request-for-bitly
(lambda (service reply)
(if (string-match "\n\\'" reply)
(substring reply 0 (match-beginning 0))
reply)))
(migre.me . "http://migre.me/api.txt?url=")
(tinyurl . "http://tinyurl.com/api-create.php?url=")
(toly
(lambda (service longurl)
(twittering-make-http-request-from-uri
"POST" nil
"http://to.ly/api.php"
(concat "longurl=" (twittering-percent-encode longurl))))))
"Alist of URL shortening services.
The key is a symbol specifying the service.
The value is a string or a list consisting of two elements at most.
If the value is a string, `(concat THE-FIRST-ELEMENT longurl)' is used as the
URL invoking the service.
If the value is a list, it is interpreted as follows.
The first element specifies how to make a HTTP request for shortening a URL.
If the first element is a string, `(concat THE-FIRST-ELEMENT longurl)' is
used as the URL invoking the service.
If the first element is a function, it is called as `(funcall THE-FIRST-ELEMENT
service-symbol longurl)' to obtain a HTTP request alist for invoking the
service, which must be generated by `twittering-make-http-request'.
The second element specifies how to post-process a HTTP reply by the HTTP
request.
If the second element is nil, the reply is directly used as a shortened URL.
If the second element is a function, it is called as `(funcall
THE-SECOND-ELEMENT service-symbol HTTP-reply-string)' and its result is used
as a shortened URL.")
(defvar twittering-bitly-login nil
"*The login name for URL shortening service bit.ly and j.mp.")
(defvar twittering-bitly-api-key nil
"*The API key for URL shortening service bit.ly and j.mp.")
(defvar twittering-mode-map (make-sparse-keymap))
(defvar twittering-mode-menu-on-uri-map (make-sparse-keymap "Twittering Mode"))
(defvar twittering-mode-on-uri-map (make-sparse-keymap))
(defvar twittering-tweet-history nil)
(defvar twittering-user-history nil)
(defvar twittering-timeline-history nil)
(defvar twittering-hashtag-history nil)
(defvar twittering-search-history nil)
(defvar twittering-current-hashtag nil
"A hash tag string currently set. You can set it by calling
`twittering-set-current-hashtag'.")
(defvar twittering-timer nil
"Timer object for timeline refreshing will be stored here.
DO NOT SET VALUE MANUALLY.")
(defvar twittering-timer-interval 90
"The interval of auto reloading. You should use 60 or more
seconds for this variable because the number of API call is
limited by the hour.")
(defvar twittering-timer-for-redisplaying nil
"Timer object for timeline redisplay statuses will be stored here.
DO NOT SET VALUE MANUALLY.")
(defvar twittering-timer-interval-for-redisplaying 5.0
"The interval of auto redisplaying statuses.
Each time Emacs remains idle for the interval, twittering-mode updates parts
requiring to be redrawn.")
(defvar twittering-username nil
"*An username of your Twitter account.")
(defvar twittering-password nil
"*A password of your Twitter account. Leave it blank is the
recommended way because writing a password in .emacs file is so
dangerous.")
(defvar twittering-initial-timeline-spec-string ":home"
"*An initial timeline spec string or a list of timeline spec strings.
This specifies one or more initial timeline spec strings, which are
automatically visited when invoking `twittering-mode' or `twit'.
If it is a string, it specifies a timeline spec string.
If it is a list of strings, it specifies multiple timeline spec strings.")
(defvar twittering-timeline-spec nil
"The timeline spec for the current buffer.")
(defvar twittering-timeline-spec-string ""
"The timeline spec string for the current buffer.")
(defvar twittering-timeline-spec-alias nil
"*Alist for aliases of timeline spec.
Each element is (NAME . SPEC-STRING), where NAME is a string and
SPEC-STRING is a string or a function that returns a timeline spec string.
The alias can be referred as \"$NAME\" or \"$NAME(ARG)\" in timeline spec
string. If SPEC-STRING is a string, ARG is simply ignored.
If SPEC-STRING is a function, it is called with a string argument.
For the style \"$NAME\", the function is called with nil.
For the style \"$NAME(ARG)\", the function is called with a string ARG.
For example, if you specify
`((\"FRIENDS\" . \"my-account/friends-list\")
(\"related-to\" .
,(lambda (username)
(if username
(format \":search/to:%s OR from:%s OR @%s/\"
username username username)
\":home\")))),
then you can use \"$FRIENDS\" and \"$related-to(USER)\" as
\"my-account/friends-list\" and \":search/to:USER OR from:USER OR @USER/\",
respectively.")
(defvar twittering-current-timeline-spec-string nil
"The current timeline spec string. This variable should not be referred
directly. Use `twittering-current-timeline-spec-string' or
`twittering-current-timeline-spec'.")
(defvar twittering-list-index-retrieved nil)
(defvar twittering-process-info-alist nil
"Alist of active process and timeline spec retrieved by the process.")
(defvar twittering-server-info-alist nil
"Alist of server information.")
(defvar twittering-mode-init-hook nil
"*Hook run after initializing global variables for `twittering-mode'.")
(defvar twittering-mode-hook nil
"*Hook run every time a buffer is initialized as a twittering-mode buffer.")
(defvar twittering-cookie-alist nil
"Alist for stroing cookies for each account.
This variable stores an alist.
A key of the alist is a string that is a screen name of an account.
A value of the alist is a cookie alist which corresponds to a list of
a pair of a cookie name and value.")
(defvar twittering-new-tweets-count 0
"Number of new tweets when `twittering-new-tweets-hook' is run.")
(defvar twittering-new-tweets-spec nil
"Timeline spec, which new tweets belong to, when
`twittering-new-tweets-hook' is run.")
(defvar twittering-new-tweets-statuses nil
"New tweet status messages, when
`twittering-new-tweets-hook' is run.")
(defvar twittering-new-tweets-hook nil
"*Hook run when new tweets are received.
You can read `twittering-new-tweets-count' or `twittering-new-tweets-spec'
to get the number of new tweets received when this hook is run.")
(defvar twittering-rendered-new-tweets-spec nil
"A timeline spec of newly rendered tweets.
This variable is bound when invoking hooks registered with
`twittering-new-tweets-rendered-hook'.")
(defvar twittering-rendered-new-tweets-spec-string nil
"A timeline spec string of newly rendered tweets.
This variable is bound when invoking hooks registered with
`twittering-new-tweets-rendered-hook'.")
(defvar twittering-rendered-new-tweets nil
"A list of newly rendered tweets.
Hooks registered with `twittering-new-tweets-rendered-hook' can use this
variable as a list of rendered tweets. Each tweet is represented as an alist.
You can refer to a property of a tweet alist as
(cdr (assq PROPERTY-SYMBOL TWEET-ALIST)).
Valid symbols are following; id, text, user-name, user-screen-name, user-id,
source, source-uri.
In the list, tweets are placed in order of time. The car of the list is the
latest one, and the last is the oldest one.")
(defvar twittering-new-tweets-rendered-hook nil
"*Hook run when new tweets are rendered.
When the registered functions are called, the current buffer is the buffer
that the new tweets are just rendered on.
The functions can refer to the timeline spec and timeline spec string as
`twittering-rendered-new-tweets-spec' and
`twittering-rendered-new-tweets-spec-string', repectively.
Hooks can also use the local variable `twittering-rendered-new-tweets' as a
list of rendered tweets.
For the detail of the representation of tweets, see the variable
`twittering-rendered-new-tweets'.")
(defvar twittering-active-mode nil
"Non-nil if new statuses should be retrieved periodically.
Do not modify this variable directly. Use `twittering-activate-buffer',
`twittering-deactivate-buffer', `twittering-toggle-activate-buffer' or
`twittering-set-active-flag-for-buffer'.")
(defvar twittering-jojo-mode nil)
(defvar twittering-reverse-mode nil
"*Non-nil means tweets are aligned in reverse order of `http://twitter.com/'.")
(defvar twittering-display-remaining nil
"*If non-nil, display remaining of rate limit on the mode-line.")
(defvar twittering-display-connection-method t
"*If non-nil, display the current connection method on the mode-line.")
(defvar twittering-status-format "%i %s, %@:\n%FILL[ ]{%T // from %f%L%r%R}\n "
"Format string for rendering statuses.
Ex. \"%i %s, %@:\\n%FILL{ %T // from %f%L%r%R}\n \"
Items:
%s - screen_name
%S - name
%i - profile_image
%d - description
%l - location
%L - \" [location]\"
%r - \" sent to user\" (use on direct_messages{,_sent})
%r - \" in reply to user\" (use on other standard timeline)
%R - \" (retweeted by user)\"
%RT{...} - strings rendered only when the tweet is a retweet.
The braced strings are rendered with the information of the
retweet itself instead of that of the retweeted original tweet.
For example, %s for a retweet means who posted the original
tweet, but %RT{%s} means who retweeted it.
%u - url
%j - user.id
%p - protected?
%c - created_at (raw UTC string)
%C{time-format-str} - created_at (formatted with time-format-str)
%@ - X seconds ago
%T - raw text
%t - text filled as one paragraph
%' - truncated
%FACE[face-name]{...} - strings decorated with the specified face.
%FILL[prefix]{...} - strings filled as a paragraph. The prefix is optional.
You can use any other specifiers in braces.
%FOLD[prefix]{...} - strings folded within the frame width.
The prefix is optional. This keeps newlines and does not
squeeze a series of white spaces.
You can use any other specifiers in braces.
%f - source
%# - id
")
(defvar twittering-retweet-format '(nil _ " RT: %t (via @%s)")
"*A format string or a skeleton for retweet.
If the value is a string, it means a format string for generating an initial
string of a retweet. The format string is converted with the below replacement
table. And then, the cursor is placed on the next of the initial string.
It is equivalent to the skeleton '(nil STRING _).
Note that this string is inserted before the edit skeleton specified by
`twittering-edit-skeleton' is performed.
If the value is a list, it is treated as a skeleton used with
`skeleton-insert'. The strings included in the list are converted with the
following replacement table. And then, the list with converted strings is
inserted by `skeleton-insert'.
Note that this skeleton is performed before the edit skeleton specified by
`twittering-edit-skeleton' is performed.
Replacement table:
%s - The screen-name of the cited tweet.
%t - The text of the cited tweet.
%u - The URL of the cited tweet.
%# - The ID of the cited tweet.
%% - % itself.")
(defvar twittering-fill-column nil
"*The fill-column used for \"%FILL{...}\" in `twittering-status-format'.
If nil, the fill-column is automatically calculated.")
(defvar twittering-show-replied-tweets t
"*The number of replied tweets which will be showed in one tweet.
If the value is not a number and is non-nil, show all replied tweets
which is already fetched.
If the value is nil, doesn't show replied tweets.")
(defvar twittering-default-show-replied-tweets nil
"*The number of default replied tweets which will be showed in one tweet.
This value will be used only when showing new tweets.
See `twittering-show-replied-tweets' for more details.")
(defvar twittering-disable-overlay-on-too-long-string nil
"*If non-nil, disable overlay on too long string on edit buffer.
If nil, `twittering-edit-mode' puts an overlay `twittering-warning-overlay' on
characters following the 140th character.
On some environments, some input methods seem to interfere the update of the
overlay. In such case, you may avoid the problems by setting this variable to
non-nil.")
(defvar twittering-use-show-minibuffer-length t
"*Show current length of minibuffer if this variable is non-nil.
We suggest that you should set to nil to disable the showing function
when it conflict with your input method (such as AquaSKK, etc.)")
(defvar twittering-notify-successful-http-get t)
(defvar twittering-use-ssl t
"Use SSL connection if this variable is non-nil.
SSL connections use 'curl' command as a backend.")
(defvar twittering-allow-insecure-server-cert nil
"*If non-nil, twittering-mode allows insecure server certificates.")
(defvar twittering-curl-program nil
"Cache a result of `twittering-find-curl-program'.
DO NOT SET VALUE MANUALLY.")
(defvar twittering-curl-program-https-capability nil
"Cache a result of `twittering-start-http-session-curl-https-p'.
DO NOT SET VALUE MANUALLY.")
(defvar twittering-wget-program nil
"Cache a result of `twittering-find-wget-program'.
DO NOT SET VALUE MANUALLY.")
(defvar twittering-tls-program nil
"*List of strings containing commands to start TLS stream to a host.
Each entry in the list is tried until a connection is successful.
%h is replaced with server hostname, %p with port to connect to.
Also see `tls-program'.
If nil, this is initialized with a list of valied entries extracted from
`tls-program'.")
(defvar twittering-connection-type-order
'(curl wget urllib-http native urllib-https))
"*A list of connection methods in the preferred order."
(defvar twittering-connection-type-table
'((native (check . t)
(https . twittering-start-http-session-native-tls-p)
(send-http-request . twittering-send-http-request-native)
(pre-process-buffer . twittering-pre-process-buffer-native))
(curl (check . twittering-start-http-session-curl-p)
(https . twittering-start-http-session-curl-https-p)
(send-http-request . twittering-send-http-request-curl)
(pre-process-buffer . twittering-pre-process-buffer-curl))
(wget (check . twittering-start-http-session-wget-p)
(https . t)
(send-http-request . twittering-send-http-request-wget)
(pre-process-buffer . twittering-pre-process-buffer-wget))
(urllib-http
(display-name . "urllib")
(check . twittering-start-http-session-urllib-p)
(https . nil)
(send-http-request . twittering-send-http-request-urllib)
(pre-process-buffer . twittering-pre-process-buffer-urllib))
(urllib-https
(display-name . "urllib")
(check . twittering-start-http-session-urllib-p)
(https . twittering-start-http-session-urllib-https-p)
(send-http-request . twittering-send-http-request-urllib)
(pre-process-buffer . twittering-pre-process-buffer-urllib)))
"A list of alist of connection methods.")
(defvar twittering-format-status-function-source ""
"The status format string that has generated the current
`twittering-format-status-function'.")
(defvar twittering-format-status-function nil
"The formating function generated from `twittering-format-status-function-source'.")
(defvar twittering-format-status-function-without-compile nil
"The formating function generated from `twittering-format-status-function-source',
which is a lambda expression without being compiled.")
(defvar twittering-timeline-data-table (make-hash-table :test 'equal))
(defvar twittering-username-face 'twittering-username-face)
(defvar twittering-uri-face 'twittering-uri-face)
(defvar twittering-use-native-retweet nil
"Post retweets using native retweets if this variable is non-nil.")
(defvar twittering-update-status-function
'twittering-update-status-from-pop-up-buffer
"The function used to posting a tweet. It takes 5 arguments,
INIT-STR, REPLY-TO-ID, USERNAME, TWEET-TYPE, CURRENT-SPEC.
The first argument INIT-STR is nil or an initial text to be edited.
REPLY-TO-ID and USERNAME are an ID and a user-screen-name of a tweet to
which you are going to reply. If the tweet is not a reply, they are nil.
TWEET-TYPE is a symbol specifying a type of a tweet being edited. It must
be one of 'direct-message, 'normal, 'organic-retweet and 'reply.
CURRENT-SPEC means on which timeline the function is called.
Twittering-mode provides two functions for updating status:
* `twittering-update-status-from-minibuffer': edit tweets in minibuffer
* `twittering-update-status-from-pop-up-buffer': edit tweets in pop-up buffer")
(defvar twittering-request-confirmation-on-posting nil
"*If *non-nil*, confirmation will be requested on posting a tweet edited in
pop-up buffer.")
(defvar twittering-use-master-password nil
"*Wheter to store private information encrypted with a master password.")
(defvar twittering-private-info-file
(expand-file-name "~/.twittering-mode.gpg")
"*File for storing encrypted private information when
`twittering-use-master-password' is non-nil.")
(defvar twittering-private-info-file-loaded nil
"Whether the private info file has been loaded or not.")
(defvar twittering-variables-stored-with-encryption
'(twittering-oauth-access-token-alist))
(defvar twittering-api-prefix "1/")
(defvar twittering-search-api-method "search")
(defvar twittering-web-path-prefix "")
(defvar twittering-service-method 'twitter-api-v1.1
"*Service method for `twittering-mode'.
The symbol `twitter' means Twitter Service. The symbol `statusnet' means
StatusNet Service.")
(defvar twittering-service-method-table
'((twitter (status-url . twittering-get-status-url-twitter)
(search-url . twittering-get-search-url-twitter))
(twitter-api-v1.1
(status-url . twittering-get-status-url-twitter)
(search-url . twittering-get-search-url-twitter))
(statusnet (status-url . twittering-get-status-url-statusnet)
(search-url . twittering-get-search-url-statusnet)))
"A list of alist of service methods.")
(defvar twittering-timeline-header-face 'twittering-timeline-header-face
"*Face for the header on `twittering-mode'.
The face is used for rendering `twittering-timeline-header'.")
(defvar twittering-timeline-footer-face 'twittering-timeline-footer-face
"*Face for the footer on `twittering-mode'.
The face is used for rendering `twittering-timeline-footer'.")
(defvar twittering-timeline-header "-- Press Enter here to update --\n"
"*Timeline header string on `twittering-mode'.
The string is rendered on the beginning of a `twittering-mode' buffer.
Its face is specified by `twittering-timeline-header-face'.")
(defvar twittering-timeline-footer "-- Press Enter here to update --"
"*Timeline footer string on `twittering-mode'.
The string is rendered on the end of a `twittering-mode' buffer.
Its face is specified by `twittering-timeline-footer-face'.")
(defvar twittering-pop-to-buffer-function
'twittering-pop-to-buffer-in-bottom-largest-window
"*Function being invoked by `twittering-pop-to-buffer'.
It will receive an argument, the buffer being selected.
For example, the following functions can be used; `pop-to-buffer',
`twittering-pop-to-buffer-simple',
`twittering-pop-to-buffer-in-current-window',
`twittering-pop-to-buffer-in-largest-window', and
`twittering-pop-to-buffer-in-bottom-largest-window'.")
(defvar twittering-relative-retrieval-interval-alist
'(("\\`:direct.*\\'" 4)
(":home" ":mentions" 1)
(t 1))
"*An alist of relative intervals of retrieving timelines.
Each element looks like (TIMELINE-SPEC-REGEXP RELATIVE-INTERVAL).
TIMELINE-SPEC-REGEXP must be t or a regexp string specifying primary
timeline specs.
If TIMELINE-SPEC-REGEXP is t, it matches all timelines.
RELATIVE-INTERVAL must be zero or a positive integer specifying relative
interval of retrieving timelines that match TIMELINE-SPEC-REGEXP.
An interval for a timeline is determined as follows;
1. Find the first element where TIMELINE-SPEC-REGEXP matches the
timeline or TIMELINE-SPEC-REGEXP is t.
If no elements are found, the interval is `twittering-timer-interval'.
2. Check the RELATIVE-INTERVAL of the element.
If RELATIVE-INTERVAL is a positive integer, the interval is
RELATIVE-INTERVAL times as long as `twittering-timer-interval'.
If RELATIVE-INTERVAL is zero, the interval is infinity.
The timeline is not retrieved automatically.")
(defvar twittering-relative-retrieval-count-alist '()
"An alist for counting retrieval of primary timelines.")
;;;;
;;;; Macro and small utility function
;;;;
(defun assocref (item alist)
(cdr (assoc item alist)))
(defmacro list-push (value listvar)
`(setq ,listvar (cons ,value ,listvar)))
(defmacro case-string (str &rest clauses)
`(cond
,@(mapcar
(lambda (clause)
(let ((keylist (car clause))
(body (cdr clause)))
`(,(if (listp keylist)
`(or ,@(mapcar (lambda (key) `(string-equal ,str ,key))
keylist))
't)
,@body)))
clauses)))
(defmacro twittering-wait-while (timeout interval condition &optional form &rest timeout-forms)
"Wait while CONDITION returns non-nil until TIMEOUT seconds passes.
The form CONDITION is repeatedly evaluated for every INTERVAL seconds
until CONDITION returns nil or TIMEOUT seconds passes unless TIMEOUT is nil.
If TIMEOUT is nil, there is no time limit.
If CONDITION returns nil, evaluate the form FORM and return its value.
If TIMEOUT seconds passes, evaluate the forms TIMEOUT-FORMS and return
the value of the last form in TIMEOUT-FORMS."
`(lexical-let (,@(when timeout `((timeout ,timeout)))
(interval ,interval)
(current 0.0))
(while (and ,@(when timeout '((< current timeout)))
,condition)
(sit-for interval)
(setq current (+ current interval)))
,(when (or form timeout-forms)
(if (null timeout)
form
`(if (< current timeout)
,form
,@timeout-forms)))))
(defun twittering-extract-matched-substring-all (regexp str)
(let ((pos 0)
(result nil))
(while (string-match regexp str pos)
(setq result (cons (match-string 1 str) result))
(setq pos (match-end 0)))
(reverse result)))
(defun twittering-process-alive-p (proc)
"Return non-nil if PROC is alive."
(not (memq (process-status proc) '(nil closed exit failed signal))))
(defun twittering-start-process-with-sentinel (name buffer program args sentinel)
"Start a program in a subprocess with a sentinel.
This function is the same as `start-process' except that SENTINEL must
be invoked when the process is successfully started."
(let ((proc (apply 'start-process name buffer program args)))
(when (and proc (functionp sentinel))
(if (twittering-process-alive-p proc)
(set-process-sentinel proc sentinel)
;; Ensure that the sentinel is invoked if a subprocess is
;; successfully started.
(funcall sentinel proc "finished")))
proc))
(defun twittering-parse-time-string (str &optional round-up)
"Parse the time-string STR into (SEC MIN HOUR DAY MON YEAR DOW DST TZ).
This function is the same as `parse-time-string' except to complement the
lacked parameters with the current time.
If ROUND-UP is nil, complement the lacked parameters with the oldest ones.
If ROUND-UP is non-nil, complement the lacked parameters with the latest ones.
For example, (twittering-parse-time-string \"2012-04-20\")
returns (0 0 0 20 4 2012 nil nil 32400).
And (twittering-parse-time-string \"2012-04-20\" t)
returns (59 59 23 20 4 2012 nil nil 32400).
The values are identical to those of `decode-time', but any values that are
unknown are returned as nil."
(let* ((parsed (parse-time-string str))
(current (decode-time (current-time)))
(replacement-alist
`((SEC . ,(if round-up
59
0))
(MIN . ,(if round-up
59
0))
(HOUR . ,(if round-up
23
0))
(DAY . nil)
(MON . nil)
(YEAR . nil)
(DOW . nil)
(DST . nil)
(TZ . nil)))
(sym-list (mapcar 'car replacement-alist))
(result nil))
(while (and parsed current sym-list)
(let* ((sym (car sym-list))
(v (or (car parsed)
(cdr (assq sym replacement-alist))
;; If `sym' is not 'DOW and it is bound to nil
;; in `replacement-alist', use `current'.
(unless (eq sym 'DOW)
(car current)))))
(setq result (cons v result)))
(setq parsed (cdr parsed))
(setq current (cdr current))
(setq sym-list (cdr sym-list)))
(reverse result)))
;;;;
;;;; Utility for portability
;;;;
(defun twittering-remove-duplicates (list)
"Return a copy of LIST with all duplicate elements removed.
This is non-destructive version of `delete-dups' which is not
defined in Emacs21."
(if (fboundp 'delete-dups)
(delete-dups (copy-sequence list))
(let ((rest list)
(result nil))
(while rest
(unless (member (car rest) result)
(setq result (cons (car rest) result)))
(setq rest (cdr rest)))
(nreverse result))))
(defun twittering-completing-read (prompt collection &optional predicate require-match initial-input hist def inherit-input-method)
"Read a string in the minibuffer, with completion.
This is a modified version of `completing-read' and accepts candidates
as a list of a string on Emacs21."
;; completing-read() of Emacs21 does not accepts candidates as
;; a list. Candidates must be given as an alist.
(let* ((collection (twittering-remove-duplicates collection))
(collection
(if (and (> 22 emacs-major-version)
(listp collection)
(stringp (car collection)))
(mapcar (lambda (x) (cons x nil)) collection)
collection)))
(completing-read prompt collection predicate require-match
initial-input hist def inherit-input-method)))
(defun twittering-add-to-history (history-var elt &optional maxelt keep-all)
(if (functionp 'add-to-history)
(add-to-history history-var elt maxelt keep-all)
(let* ((added (cons elt
(if (and (not keep-all)
(boundp 'history-delete-duplicates)
history-delete-duplicates)
(delete elt (symbol-value history-var))
(symbol-value history-var))))
(maxelt (or maxelt history-length))
(len (length added)))
(set history-var
(if (<= len maxelt)
added
(butlast added (- len maxelt)))))))
;;;;
;;;; Debug mode
;;;;
(defvar twittering-debug-mode nil)
(defvar twittering-debug-buffer "*debug*")
(defun twittering-get-or-generate-buffer (buffer)
(if (bufferp buffer)
(if (buffer-live-p buffer)
buffer
(generate-new-buffer (buffer-name buffer)))
(if (stringp buffer)
(or (get-buffer buffer)
(generate-new-buffer buffer)))))
(defun twittering-debug-buffer ()
(twittering-get-or-generate-buffer twittering-debug-buffer))
(defmacro debug-print (obj)
(let ((obsym (gensym)))
`(let ((,obsym ,obj))
(if twittering-debug-mode
(with-current-buffer (twittering-debug-buffer)
(insert "[debug] " (prin1-to-string ,obsym))
(newline)
,obsym)
,obsym))))
(defun debug-printf (fmt &rest args)
(when twittering-debug-mode
(with-current-buffer (twittering-debug-buffer)
(insert "[debug] " (apply 'format fmt args))
(newline))))
(defun twittering-debug-mode ()
(interactive)
(setq twittering-debug-mode
(not twittering-debug-mode))
(message (if twittering-debug-mode "debug mode:on" "debug mode:off")))
;;;;
;;;; Proxy setting / functions
;;;;
(defvar twittering-proxy-use nil)
(defvar twittering-proxy-server nil
"*Proxy server for `twittering-mode'.
If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.
To use individual proxies for HTTP and HTTPS, both `twittering-proxy-server'
and `twittering-proxy-port' must be nil.")
(defvar twittering-proxy-port nil
"*Port number for `twittering-mode'.
If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.
To use individual proxies for HTTP and HTTPS, both `twittering-proxy-server'
and `twittering-proxy-port' must be nil.")
(defvar twittering-proxy-keep-alive nil)
(defvar twittering-proxy-user nil
"*Username for `twittering-proxy-server'.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defvar twittering-proxy-password nil
"*Password for `twittering-proxy-server'.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defvar twittering-http-proxy-server nil
"*HTTP proxy server for `twittering-mode'.
If nil, it is initialized on entering `twittering-mode'.
The port number is specified by `twittering-http-proxy-port'.
For HTTPS connection, the proxy specified by `twittering-https-proxy-server'
and `twittering-https-proxy-port' is used.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defvar twittering-http-proxy-port nil
"*Port number of a HTTP proxy server for `twittering-mode'.
If nil, it is initialized on entering `twittering-mode'.
The server is specified by `twittering-http-proxy-server'.
For HTTPS connection, the proxy specified by `twittering-https-proxy-server'
and `twittering-https-proxy-port' is used.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defvar twittering-http-proxy-keep-alive nil
"*If non-nil, the Keep-alive is enabled. This is experimental.")
(defvar twittering-http-proxy-user nil
"*Username for `twittering-http-proxy-server'.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defvar twittering-http-proxy-password nil
"*Password for `twittering-http-proxy-server'.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defvar twittering-https-proxy-server nil
"*HTTPS proxy server for `twittering-mode'.
If nil, it is initialized on entering `twittering-mode'.
The port number is specified by `twittering-https-proxy-port'.
For HTTP connection, the proxy specified by `twittering-http-proxy-server'
and `twittering-http-proxy-port' is used.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defvar twittering-https-proxy-port nil
"*Port number of a HTTPS proxy server for `twittering-mode'.
If nil, it is initialized on entering `twittering-mode'.
The server is specified by `twittering-https-proxy-server'.
For HTTP connection, the proxy specified by `twittering-http-proxy-server'
and `twittering-http-proxy-port' is used.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defvar twittering-https-proxy-keep-alive nil
"*If non-nil, the Keep-alive is enabled. This is experimental.")
(defvar twittering-https-proxy-user nil
"*Username for `twittering-https-proxy-server'.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defvar twittering-https-proxy-password nil
"*Password for `twittering-https-proxy-server'.
NOTE: If both `twittering-proxy-server' and `twittering-proxy-port' are
non-nil, the variables `twittering-proxy-*' have priority over other
variables `twittering-http-proxy-*' or `twittering-https-proxy-*'
regardless of HTTP or HTTPS.")
(defun twittering-normalize-proxy-vars ()
"Normalize the type of `twittering-http-proxy-port' and
`twittering-https-proxy-port'."
(mapc (lambda (sym)
(let ((value (symbol-value sym)))
(cond
((null value)
nil)
((integerp value)
nil)
((stringp value)
(set sym (string-to-number value)))
(t
(set sym nil)))))
'(twittering-proxy-port
twittering-http-proxy-port
twittering-https-proxy-port)))
(defun twittering-proxy-info (scheme &optional item)
"Return an alist for proxy configuration registered for SCHEME.
SCHEME must be a string \"http\", \"https\" or a symbol 'http or 'https.
The server name is a string and the port number is an integer."
(twittering-normalize-proxy-vars)
(let ((scheme (if (symbolp scheme)
(symbol-name scheme)
scheme))
(info-list
`((("http" "https")
. ((server . ,twittering-proxy-server)
(port . ,twittering-proxy-port)
(keep-alive . ,twittering-proxy-keep-alive)
(user . ,twittering-proxy-user)
(password . ,twittering-proxy-password)))
(("http")
. ((server . ,twittering-http-proxy-server)
(port . ,twittering-http-proxy-port)
(keep-alive . ,twittering-http-proxy-keep-alive)