diff options
Diffstat (limited to 'sx.el')
| -rw-r--r-- | sx.el | 213 |
1 files changed, 142 insertions, 71 deletions
@@ -92,46 +92,70 @@ with a `link' property)." "Convert string LINK into data that can be displayed." (let ((result (list (cons 'site_par (sx--site link))))) ;; Try to strip a question or answer ID - (when (or + (when (cond ;; Comment + ((or ;; If there's a #commentNUMBER_NUMBER at the end, we + ;; know it's a comment with that ID. + (string-match (rx "#comment" (group-n 1 (+ digit)) + "_" (+ digit) string-end) + link) + ;; From inbox items + (string-match (rx "/posts/comments/" + ;; Comment ID + (group-n 1 (+ digit)) + ;; Optional stuff at the end + (or (and (any "?#") (* any)) "") + string-end) + link)) + (push '(type . comment) result)) ;; Answer - (and (or (string-match - ;; From 'Share' button - (rx "/a/" - ;; Question ID - (group (+ digit)) - ;; User ID - "/" (+ digit) - ;; Answer ID - (group (or (sequence "#" (* any)) "")) - string-end) link) - (string-match - ;; From URL - (rx "/questions/" (+ digit) "/" - (+ (not (any "/"))) "/" - ;; User ID - (optional (group (+ digit))) - (optional "/") - (group (or (sequence "#" (* any)) "")) - string-end) link)) - (push '(type . answer) result)) + ((or ;; If there's a #NUMBER at the end, we know it's an + ;; answer with that ID. + (string-match (rx "#" (group-n 1 (+ digit)) string-end) link) + ;; From 'Share' button + (string-match (rx "/a/" + ;; Answer ID + (group-n 1 (+ digit)) "/" + ;; User ID + (+ digit) + ;; Garbage at the end + (optional (and (any "?#") (* any))) + string-end) + link) + ;; From URL + (string-match (rx "/questions/" (+ digit) "/" + ;; Question title + (+ (not (any "/"))) "/" + ;; Answer ID. If this is absent, we match on + ;; Question clause below. + (group-n 1 (+ digit)) + (opt "/") + ;; Garbage at the end + (optional (and (any "?#") (* any))) + string-end) + link)) + (push '(type . answer) result)) ;; Question - (and (or (string-match - ;; From 'Share' button - (rx "/q/" - ;; Question ID - (group (+ digit)) - ;; User ID - (optional "/" (+ digit)) - ;; Answer or Comment ID - (group (or (sequence "#" (* any)) "")) - string-end) link) - (string-match - ;; From URL - (rx "/questions/" - ;; Question ID - (group (+ digit)) - "/") link)) - (push '(type . question) result))) + ((or ;; From 'Share' button + (string-match (rx "/q/" + ;; Question ID + (group-n 1 (+ digit)) + ;; User ID + (optional "/" (+ digit)) + ;; Garbage at the end + (optional (and (any "?#") (* any))) + string-end) + link) + ;; From URL + (string-match (rx "/questions/" + ;; Question ID + (group-n 1 (+ digit)) "/" + ;; Optional question title + (optional (+ (not (any "/"))) "/") + ;; Garbage at the end + (optional (and (any "?#") (* any))) + string-end) + link)) + (push '(type . question) result))) (push (cons 'id (string-to-number (match-string-no-properties 1 link))) result)) result)) @@ -259,6 +283,48 @@ whenever BODY evaluates to nil." :filter (lambda (&optional _) (when (progn ,@body) ,def))))) +(defun sx--goto-property-change (prop &optional direction) + "Move forward to the next change of text-property PROP. +Return the new value of PROP at point. + +If DIRECTION is negative, move backwards instead." + (let ((func (if (and (numberp direction) + (< direction 0)) + #'previous-single-property-change + #'next-single-property-change)) + (limit (if (and (numberp direction) + (< direction 0)) + (point-min) (point-max)))) + (goto-char (funcall func (point) prop nil limit)) + (get-text-property (point) prop))) + +(defun sx--find-in-buffer (type id) + "Move point to an object of TYPE and ID. +That is, move forward from beginning of buffer until +`sx--data-here' is an object of type TYPE with the respective id +ID. If point is left at the of a line, move over the line break. + +TYPE is either question, answer, or comment. +ID is an integer." + (let* ((id-symbol (cl-case type + (answer 'answer_id) + (comment 'comment_id) + (question 'question_id))) + (pos + (save-excursion + (goto-char (point-min)) + (while (not (or (eobp) + (let ((data (sx--data-here type t))) + (and data + (= id (or (cdr (assq id-symbol data)))))))) + (forward-char 1)) + (point)))) + (if (equal pos (point-max)) + (sx-message "Can't find the specified %s" type) + (goto-char pos) + (when (looking-at-p "$") + (forward-char 1))))) + (defmacro sx--create-comparator (name doc compare-func get-func) "Define a new comparator called NAME with documentation DOC. COMPARE-FUNC is a function that takes the return value of @@ -305,39 +371,6 @@ Return the result of BODY." (push ov sx--overlays)) result)) -(defconst sx--ascii-replacement-list - '(("[:space:]" . "") - ("àåáâäãåą" . "a") - ("èéêëę" . "e") - ("ìíîïı" . "i") - ("òóôõöøőð" . "o") - ("ùúûüŭů" . "u") - ("çćčĉ" . "c") - ("żźž" . "z") - ("śşšŝ" . "s") - ("ñń" . "n") - ("ýÿ" . "y") - ("ğĝ" . "g") - ("ř" . "r") - ("ł" . "l") - ("đ" . "d") - ("ß" . "ss") - ("Þ" . "th") - ("ĥ" . "h") - ("ĵ" . "j") - ("^[:ascii:]" . "")) - "List of replacements to use for non-ascii characters. -Used to convert user names into @mentions.") - -(defun sx--user-@name (user) - "Get the `display_name' of USER prepended with @. -In order to correctly @mention the user, all whitespace is -removed from the display name before it is returned." - (sx-assoc-let user - (when (stringp .display_name) - (concat "@" (sx--recursive-replace - sx--ascii-replacement-list .display_name))))) - (defun sx--recursive-replace (alist string) "Replace each car of ALIST with its cdr in STRING." (if alist @@ -348,6 +381,44 @@ removed from the display name before it is returned." (format "[%s]" (car kar)) (cdr kar) string))) string)) +(defun sx-format-replacements (format alist &optional property-alist) + "Use FORMAT-STRING to format the values in ALIST. +ALIST is a list with elements of the form (CHAR . STRING). +The value is a copy of FORMAT-STRING, but with certain constructs +replaced by text as given by ALIST. + +The construct is a `%' character followed by any other character. +The replacement is the STRING corresponding to CHAR in ALIST. In +addition, if CHAR is also the car of an element in +PROPERTY-ALIST, the cdr of that element should be a list of text +properties which will be applied on the replacement. + +The %% construct is special, it is replaced with a single %, even +if ALIST contains a different string at the ?% entry." + (let ((alist (cons '(?% . "%") alist))) + (with-temp-buffer + (insert format) + (goto-char (point-min)) + (while (search-forward-regexp + (rx "%" (group-n 1 (* (any "-+ #0-9.")))) nil 'noerror) + (let* ((char (char-after)) + ;; Understand flags + (flag (match-string 1)) + (val (cdr-safe (assq char alist)))) + (unless val + (error "Invalid format character: `%%%c'" char)) + ;; Insert first, to preserve text properties. + (insert-and-inherit (format (concat "%" flag "s") val)) + (when property-alist + (add-text-properties (match-end 0) (point) + (cdr-safe (assq char property-alist)))) + ;; Delete the specifier body. + (delete-region (match-beginning 0) + (match-end 0)) + ;; Delete `char-after'. + (delete-char 1))) + (buffer-string)))) + (defcustom sx-init-hook nil "Hook run when SX initializes. |