X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fstring.lisp;h=1bb322b84f6f6e4847d566a386fb2d1e5e57e467;hb=928c6f695253c9f03ff440d18338efb8eea9b2f0;hp=756bf96ec82f85340e7eef8642bc24a3b0284cd4;hpb=fde8e7678f3a194026bf14d630d3b7e979e3ce6e;p=jscl.git diff --git a/src/string.lisp b/src/string.lisp index 756bf96..1bb322b 100644 --- a/src/string.lisp +++ b/src/string.lisp @@ -13,19 +13,29 @@ ;; You should have received a copy of the GNU General Public License ;; along with JSCL. If not, see . +(defun stringp (s) + (stringp s)) + +(defun string-length (string) + (storage-vector-size string)) + +(defun make-string (n &key initial-element) + (make-array n :element-type 'character :initial-element initial-element)) + (defun string (x) (cond ((stringp x) x) ((symbolp x) (symbol-name x)) - (t (char-to-string x)))) + (t (make-string 1 :initial-element x)))) (defun string= (s1 s2) - (let ((n (length s1))) + (let* ((s1 (string s1)) + (s2 (string s2)) + (n (length s1))) (when (= (length s2) n) (dotimes (i n t) (unless (char= (char s1 i) (char s2 i)) (return-from string= nil)))))) -<<<<<<< HEAD (defun string< (s1 s2) (let ((len-1 (length s1)) (len-2 (length s2))) @@ -36,10 +46,6 @@ (return-from string< i)) (when (and (= i (1- len-1)) (> len-2 len-1)) (return-from string< (1+ i)))))))) -======= -(defun stringp (s) - (stringp s)) ->>>>>>> ee0ae303e9d3f7f99eeb3af1824b61f2616f5925 (define-setf-expander char (string index) (let ((g!string (gensym)) @@ -50,3 +56,16 @@ (list g!value) `(aset ,g!string ,g!index ,g!value) `(char ,g!string ,g!index)))) + +(defun concatenate-two (string1 string2) + (let* ((len1 (length string1)) + (len2 (length string2)) + (string (make-array (+ len1 len2) :element-type 'character)) + (i 0)) + (dotimes (j len1) + (aset string i (char string1 j)) + (incf i)) + (dotimes (j len2) + (aset string i (char string2 j)) + (incf i)) + string))