+ (values (subseq xmlstr startpos endpos) nextpos attributes)
+ (values nil nil nil))))
+
+(defun cdata-string (str)
+ (concatenate 'string "<![CDATA[" str "]]>"))
+
+(defun write-cdata (str s)
+ (declare (simple-string str) (optimize (speed 3) (safety 0) (space 0)))
+ (do ((len (length str))
+ (i 0 (1+ i)))
+ ((= i len) str)
+ (declare (fixnum i len))
+ (let ((c (schar str i)))
+ (case c
+ (#\< (write-string "<" s))
+ (#\& (write-string "&" s))
+ (t (write-char c s))))))
+
+(defun xml-declaration-stream (stream &key (version "1.0") standalone encoding)
+ (format stream "<?xml version=\"~A\"~A~A ?>~%"
+ version
+ (if encoding
+ (format nil " encoding=\"~A\"" encoding)
+ ""
+ )
+ (if standalone
+ (format nil " standalone=\"~A\"" standalone)
+ "")))
+
+(defun doctype-stream (stream top-element availability registered organization type
+ label language url entities)
+ (format stream "<!DOCTYPE ~A ~A \"~A//~A//~A ~A//~A\"" top-element
+ availability (if registered "+" "-") organization type label language)
+
+ (when url
+ (write-char #\space stream)
+ (write-char #\" stream)
+ (write-string url stream)
+ (write-char #\" stream))
+
+ (when entities
+ (format stream " [~%~A~%]" entities))
+
+ (write-char #\> stream)
+ (write-char #\newline stream))
+
+(defun doctype-format (stream format &key top-element (availability "PUBLIC")
+ (registered nil) organization (type "DTD") label
+ (language "EN") url entities)
+ (case format
+ ((:xhtml11 :xhtml)
+ (doctype-stream stream "html" availability registered "W3C" type "XHTML 1.1" language
+ (if url url "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd")
+ entities))
+ (:xhtml10-strict
+ (doctype-stream stream "html" availability registered "W3C" type "XHTML 1.0 Strict" language
+ (if url url "http://www.w3.org/TR/xhtml10/DTD/xhtml10-strict.dtd")
+ entities))
+ (:xhtml10-transitional
+ (doctype-stream stream "html" availability registered "W3C" type "XHTML 1.0 Transitional" language
+ (if url url "http://www.w3.org/TR/xhtml10/DTD/xhtml10-transitional.dtd")
+ entities))
+ (:xhtml-frameset
+ (doctype-stream stream "html" availability registered "W3C" type "XHTML 1.0 Frameset" language
+ (if url url "http://www.w3.org/TR/xhtml10/DTD/xhtml10-frameset.dtd")
+ entities))
+ (:html2
+ (doctype-stream stream "HTML" availability registered "IETF" type "HTML" language url entities))
+ (:html3
+ (doctype-stream stream "HTML" availability registered "IETF" type "HTML 3.0" language url entities))
+ (:html3.2
+ (doctype-stream stream "HTML" availability registered "W3C" type "HTML 3.2 Final" language url entities))
+ ((:html :html4)
+ (doctype-stream stream "HTML" availability registered "W3C" type "HTML 4.01 Final" language url entities))
+ ((:docbook :docbook42)
+ (doctype-stream stream (if top-element top-element "book")
+ availability registered "OASIS" type "Docbook XML 4.2" language
+ (if url url "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd")
+ entities))
+ (t
+ (unless top-element (warn "Missing top-element in doctype-format"))
+ (unless organization (warn "Missing organization in doctype-format"))
+ (unless label (warn "Missing label in doctype-format"))
+ (doctype-stream stream top-element availability registered organization type label language url
+ entities))))
+
+
+(defun sgml-header-stream (format stream &key entities (encoding "iso-8859-1") standalone (version "1.0")
+ top-element (availability "PUBLIC") registered organization (type "DTD")
+ label (language "EN") url)
+ (when (in format :xhtml :xhtml11 :xhtml10-strict :xhtml10-transitional :xhtml10-frameset :xml :docbook)
+ (xml-declaration-stream stream :version version :encoding encoding :standalone standalone))
+ (unless (eq :xml format)
+ (doctype-format stream format :top-element top-element
+ :availability availability :registered registered
+ :organization organization :type type :label label :language language
+ :url url :entities entities))
+ stream)