diff --git a/origami-parsers.el b/origami-parsers.el index a09e865..9e92a68 100644 --- a/origami-parsers.el +++ b/origami-parsers.el @@ -45,28 +45,45 @@ :type 'hook :group 'origami) -(defun origami-pair (start children end create) - ;; TODO: make this a macro so I don't have to pass in the thunk? - "CHILDREN should be a zero-arg lambda -- a thunk -- returning a -parser to allow for recursive nesting of a parser. CREATE is a -function that should build state taking the beginning, end and -children of the pair." - (parser-do (initial-pos <- (parser-position)) - (begin <- start) - (children <- (funcall children)) - (end <- end) - (parser-return (funcall create initial-pos end (- begin initial-pos) children)))) +;;; TODO: generalize to take a function? then could use a regex or +;;; begin-defun etc? +(defun origami-get-positions (content regex) + (with-temp-buffer + (insert content) + (beginning-of-buffer) + (let (acc) + (while (re-search-forward regex nil t) + (setq acc (cons (cons (match-string 0) (point)) acc))) + (reverse acc)))) + +(defun origami-build-pair-tree (create positions) + ;; this is so horrible, but fast + (let (acc beg (should-continue t)) + (while (and should-continue positions) + (cond ((equal (caar positions) "{") + (if beg ;go down a level + (let* ((res (origami-build-pair-tree create positions)) + (new-pos (car res)) + (children (cdr res))) + (setq positions (cdr new-pos)) + (setq acc (cons (funcall create beg (cdar new-pos) 0 children) acc)) + (setq beg nil)) + ;; begin a new pair + (setq beg (cdar positions)) + (setq positions (cdr positions)))) + ((equal (caar positions) "}") + (if beg + (progn ;close no children + (setq acc (cons (funcall create beg (cdar positions) 0 nil) acc)) + (setq positions (cdr positions)) + (setq beg nil)) + (setq should-continue nil))))) + (cons positions (reverse acc)))) (defun origami-c-style-parser (create) - (let ((pair (origami-pair (parser-char "{") - (lambda () (origami-c-style-parser create)) - (parser-char "}") - create))) - (parser-0+ (parser-conj - (parser-do - (parser-drop-until-regex "[{}]") - (parser-1? pair)) - pair)))) + (lambda (content) + (let ((positions (origami-get-positions (parser-content-string content) "[{}]"))) + (list (cdr (origami-build-pair-tree create positions)))))) (defun origami-lisp-parser (create regex) (lambda (content) diff --git a/origami.el b/origami.el index b033343..24ca996 100644 --- a/origami.el +++ b/origami.el @@ -338,7 +338,7 @@ was last built." (defun origami-build-tree (buffer parser) (when parser (with-current-buffer buffer - (let ((contents (buffer-string))) + (let ((contents (buffer-substring-no-properties (point-min) (point-max)))) (-> parser (parser-run (parser-content 0 contents)) car