;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Apr 2000
;;;;
-;;;; $Id: strings.lisp,v 1.1 2002/10/12 06:10:17 kevin Exp $
+;;;; $Id: strings.lisp,v 1.7 2003/02/07 14:21:55 kevin Exp $
;;;;
;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(in-package :kmrcl)
(declaim (optimize (speed 3) (safety 1) (compilation-speed 0) (debug 3)))
+
;;; Strings
(defmacro string-append (outputstr &rest args)
`(setq ,outputstr (concatenate 'string ,outputstr ,@args)))
-(defmacro string-field-append (outputstr &rest args)
- `(setq ,outputstr (concatenate 'string ,outputstr ,@args)))
-
(defun list-to-string (lst)
"Converts a list to a string, doesn't include any delimiters between elements"
(format nil "~{~A~}" lst))
#-excl
(defun delimited-string-to-list (sequence &optional (separator #\space))
-"Split a string by a delimitor"
+ "Split a string by a delimitor"
(loop
with start = 0
for end = (position separator sequence :start start)
#-excl
(defun list-to-delimited-string (list &optional (separator #\space))
- (let ((output (when list (format nil "~A" (car list)))))
- (dolist (obj (rest list))
- (setq output (concatenate 'string output
- (format nil "~A" separator)
- (format nil "~A" obj))))
- output))
+ (if (consp list)
+ (let ((fmt (format nil "~~A~~{~A~~A~~}" separator)))
+ (format nil fmt (first list) (rest list)))
+ ""))
(defun string-invert (str)
"Invert case of a string"
(substitute-string-for-char s #\\ "\\\\"))
(defun substitute-string-for-char (procstr match-char subst-str)
-"Substitutes a string for a single matching character of a string"
+ "Substitutes a string for a single matching character of a string"
(let ((pos (position match-char procstr)))
(if pos
(concatenate 'string
(when (stringp str)
(null (find-if #'not-whitespace? str))))
+#+ignore
+(defun string-replace-chars-strings (str repl-alist)
+ "Replace all instances of a chars with a string. repl-alist is an assoc
+list of characters and replacement strings."
+ (let* ((orig-len (length str))
+ (new-len orign-len))
+ (declare (fixnum orig-len new-len))
+ (dotimes (i orign-len)
+ (declare (fixnum i))
+ (let ((c (schar i str)))
+ )))
+ str)
+
+(defun escape-xml-string (string)
+ "Escape invalid XML characters"
+ (string-replace-char-string
+ (string-replace-char-string string #\& "&")
+ #\< "<"))
+
+(defun string-replace-char-string (string repl-char repl-str)
+ "Replace all occurances of repl-char with repl-str"
+ (declare (simple-string string))
+ (let ((count (count repl-char string)))
+ (declare (fixnum count))
+ (if (zerop count)
+ string
+ (locally (declare (optimize (speed 3) (safety 0)))
+ (let* ((old-length (length string))
+ (repl-length (length repl-str))
+ (new-string (make-string (the fixnum
+ (+ old-length
+ (the fixnum
+ (* count
+ (the fixnum (1- repl-length)))))))))
+ (declare (fixnum old-length repl-length)
+ (simple-string new-string))
+ (let ((newpos 0))
+ (declare (fixnum newpos))
+ (dotimes (oldpos (length string))
+ (declare (fixnum oldpos))
+ (if (char= repl-char (schar string oldpos))
+ (dotimes (repl-pos repl-length)
+ (declare (fixnum repl-pos))
+ (setf (schar new-string newpos) (schar repl-str repl-pos))
+ (incf newpos))
+ (progn
+ (setf (schar new-string newpos) (schar string oldpos))
+ (incf newpos)))))
+ new-string)))))
+
+
+
+(defun make-usb8-array (len)
+ (make-array len :adjustable nil
+ :fill-pointer nil
+ :element-type '(unsigned-byte 8)))
+
+(defun usb8-array-to-string (vec)
+ (let* ((len (length vec))
+ (str (make-string len)))
+ (declare (fixnum len)
+ (simple-string str)
+ (optimize (speed 3)))
+ (dotimes (i len)
+ (declare (fixnum i))
+ (setf (schar str i) (code-char (aref vec i))))
+ str))
+
+(defun string-to-usb8-array (str)
+ (let* ((len (length str))
+ (vec (make-usb8-array len)))
+ (declare (fixnum len)
+ (type (array fixnum (*)) vec)
+ (optimize (speed 3)))
+ (dotimes (i len)
+ (declare (fixnum i))
+ (setf (aref vec i) (char-code (schar str i))))
+ vec))
+