diff options
Diffstat (limited to 'sx.el')
| -rw-r--r-- | sx.el | 92 |
1 files changed, 52 insertions, 40 deletions
@@ -259,6 +259,20 @@ whenever BODY evaluates to nil." :filter (lambda (&optional _) (when (progn ,@body) ,def))))) +(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 +GET-FUNC and performs the actual comparison." + (declare (indent 1) (doc-string 2)) + `(progn + ;; In using `defalias', the macro supports both function + ;; symbols and lambda expressions. + (defun ,name (a b) + ,doc + (funcall ,compare-func + (funcall ,get-func a) + (funcall ,get-func b))))) + ;;; Printing request data (defvar sx--overlays nil @@ -294,39 +308,6 @@ 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 @@ -337,6 +318,44 @@ 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. @@ -349,13 +368,6 @@ Run after `sx-init--internal-hook'." This is used internally to set initial values for variables such as filters.") -(defun sx--< (property x y &optional predicate) - "Non-nil if PROPERTY attribute of alist X is less than that of Y. -With optional argument PREDICATE, use it instead of `<'." - (funcall (or predicate #'<) - (cdr (assoc property x)) - (cdr (assoc property y)))) - (defmacro sx-init-variable (variable value &optional setter) "Set VARIABLE to VALUE using SETTER. SETTER should be a function of two arguments. If SETTER is nil, |