diff options
Diffstat (limited to 'sx.el')
| -rw-r--r-- | sx.el | 142 |
1 files changed, 104 insertions, 38 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 |