replace split function - cl-yag - Common Lisp Yet Another website Generator
(HTM) git clone git://bitreich.org/cl-yag/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/cl-yag/
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---
(DIR) commit 25582ad800216c04f8f575ccb0e0a099a7897535
(DIR) parent f586103e1a32e6e2b5b3891275218c0e7400bc0a
(HTM) Author: Solene Rapenne <solene@perso.pw>
Date: Tue, 28 Nov 2017 07:21:33 +0100
replace split function
Diffstat:
M generator.lisp | 27 +++++++++++++++------------
1 file changed, 15 insertions(+), 12 deletions(-)
---
(DIR) diff --git a/generator.lisp b/generator.lisp
@@ -15,17 +15,20 @@
while pos)))
;; common-lisp don't have a split string function natively
-;; thanks https://gist.github.com/siguremon/1174988
-(defun split-str-1 (string &optional (separator " ") (r nil))
- (let ((n (position separator string
- :from-end t
- :test #'(lambda (x y)
- (find y x :test #'string=)))))
- (if n
- (split-str-1 (subseq string 0 n) separator (cons (subseq string (1+ n)) r))
- (cons string r))))
-(defun split-str (string &optional (separator " "))
- (split-str-1 string separator))
+(defun split-str(text &optional (separator #\Space))
+ "this function split a string with separator and return a list"
+ (let ((text (concatenate 'string text (string separator))))
+ (loop for char across text
+ counting char into count
+ when (char= char separator)
+ collect
+ ;; we look at the position of the left separator from right to left
+ (let ((left-separator-position (position separator text :from-end t :end (- count 1))))
+ (subseq text
+ ;; if we can't find a separator at the left of the current, then it's the start of
+ ;; the string
+ (if left-separator-position (+ 1 left-separator-position) 0)
+ (- count 1))))))
;; we have to remove the quotes
;; when using collect in a loop
@@ -225,4 +228,4 @@
(create-gopher-hole)))
(generate-site)
-
+(quit)