+(defun find-start-tag (tag taglen xmlstr start-pos end-xmlstr)
+ (let ((bracketpos (position-char #\< xmlstr start-pos end-xmlstr)))
+ (when bracketpos
+ (let* ((starttag (1+ bracketpos))
+ (endtag (+ starttag taglen)))
+ (if (and (< endtag end-xmlstr)
+ (string= tag xmlstr :start2 starttag :end2 endtag))
+ (let* ((char-after-tag (char xmlstr endtag)))
+ (declare (character char-after-tag))
+ (if (or (char= #\> char-after-tag)
+ (char= #\space char-after-tag))
+ (progn
+ (if (char= #\> char-after-tag)
+ (setq startpos (1+ endtag))
+ (setq startpos (1+ (position-char #\> xmlstr (1+ endtag) end-xmlstr))))
+ ))))))))
+
+(defun positions-xml-tag-contents (tag xmlstr &optional (start-xmlstr 0)
+ (end-xmlstr (length xmlstr)))
+ "Returns three values: the start and end positions of contents between
+ the xml tags and the position following the close of the end tag."
+ (let ((done nil)
+ (pos start-xmlstr)
+ (taglen (length tag))
+ (startpos nil)
+ (endpos nil)
+ (nextpos nil))
+ (while (not done)
+ (let ((bracketpos (position-char #\< xmlstr pos end-xmlstr)))
+ (unless bracketpos
+ (return-from positions-xml-tag-contents
+ (values nil nil nil)))
+ (let* ((starttag (1+ bracketpos))
+ (endtag (+ starttag taglen)))
+ (if (and (< endtag end-xmlstr)
+ (string= tag xmlstr :start2 starttag :end2 endtag))
+ (let* ((char-after-tag (char xmlstr endtag)))
+ (declare (character char-after-tag))
+ (if (or (char= #\> char-after-tag)
+ (char= #\space char-after-tag))
+ (progn
+ (if (char= #\> char-after-tag)
+ (setq startpos (1+ endtag))
+ (setq startpos (1+ (position-char #\> xmlstr (1+ endtag) end-xmlstr))))
+ (setq endpos (search (format nil "</~a>" tag) xmlstr
+ :start2 startpos :end2 end-xmlstr))
+ (if (and startpos endpos)
+ (progn
+ (setq nextpos (+ endpos taglen 3))
+ (setq pos nextpos))
+ (setf startpos nil
+ endpos nil))
+ (setq done t))
+ (setq pos (1+ endtag))))
+ (setq pos (1+ starttag)))
+ (when (> pos end-xmlstr)
+ (setq done t))))))
+ (values startpos endpos nextpos)))
+
+
+(defun xml-tag-contents-old (tag xmlstr &optional (start-xmlstr 0) (end-xmlstr nil))
+ "Returns two values: the string between XML start and end tag
+and position of character following end tag."
+ (multiple-value-bind
+ (startpos endpos nextpos)
+ (positions-xml-tag-contents-old tag xmlstr start-xmlstr end-xmlstr)
+ (if (and startpos endpos)
+ (values (subseq xmlstr startpos endpos) nextpos)
+ (values nil nil))))