From 9d3930d7b2bacd5327ce55ad9fb0ce1392fe746b Mon Sep 17 00:00:00 2001
From: "Kevin M. Rosenberg" <kevin@rosenberg.net>
Date: Mon, 25 Nov 2002 04:49:22 +0000
Subject: [PATCH] r3472: *** empty log message ***

---
 debian/rules                 |   4 +-
 examples/example-no-mop.lisp |  80 +++++++
 examples/example.lisp        |  90 +++++++
 hyperobject.asd              |   7 +-
 hyperobject.lisp             |  31 ++-
 package.lisp                 |   3 +-
 views.lisp                   | 451 +++++++++++++++++++++++++++++++++++
 7 files changed, 655 insertions(+), 11 deletions(-)
 create mode 100644 examples/example-no-mop.lisp
 create mode 100644 examples/example.lisp
 create mode 100644 views.lisp

diff --git a/debian/rules b/debian/rules
index 1dee9fb..80d3568 100755
--- a/debian/rules
+++ b/debian/rules
@@ -42,7 +42,7 @@ install: build
 	dh_clean -k
 	# Add here commands to install the package into debian/hyperobject.
 	dh_installdirs $(clc-systems) $(clc-hyperobject) $(doc-dir)
-	dh_install hyperobject.asd package.lisp hyperobject.lisp hyperobject-no-mop.lisp $(clc-hyperobject)
+	dh_install hyperobject.asd $(wildcard *.lisp) $(clc-hyperobject)
 	dh_link $(clc-hyperobject)/hyperobject.asd $(clc-systems)/hyperobject.asd
 
 # Build architecture-independent files here.
@@ -51,7 +51,7 @@ binary-indep: build install
 	dh_testroot -i
 #	dh_installdebconf	
 	dh_installdocs -i
-	dh_installexamples -i $(wilcard example*.lisp)
+	dh_installexamples -i $(wilcard examples/example*.lisp)
 #	dh_installmenu
 #	dh_installlogrotate
 #	dh_installemacsen
diff --git a/examples/example-no-mop.lisp b/examples/example-no-mop.lisp
new file mode 100644
index 0000000..c2393f1
--- /dev/null
+++ b/examples/example-no-mop.lisp
@@ -0,0 +1,80 @@
+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          hyperobject-plain-example.lisp
+;;;; Purpose:       Hyper Object Metaclass
+;;;; Programmer:    Kevin M. Rosenberg
+;;;; Date Started:  Apr 2000
+;;;;
+;;;; This metaclass as functions to classes to allow display
+;;;; in Text, HTML, and XML formats. This includes hyperlinking
+;;;; capability and sub-objects.
+;;;;
+;;;; $Id: example-no-mop.lisp,v 1.1 2002/11/25 04:47:23 kevin Exp $
+;;;;
+;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
+;;;;
+;;;; *************************************************************************
+ 
+(in-package :hyperobject-no-mop-user)
+
+(define-hyperobject person ()
+  ((first-name :type string :reference find-person-by-last-name)
+   (last-name :type string)
+   (dob :type integer :initform 0 :print-formatter format-date)
+   (resume :type cdata)
+   (addresses :subobject t))
+  (:title "Person")
+  (:documentation "Person hyperobject class"))
+
+(defun format-date (ut)
+  (when (typep ut 'integer)
+      (multiple-value-bind (sec min hr day mon year dow daylight-p zone)
+	  (decode-universal-time ut)
+	(declare (ignore daylight-p zone))
+	(format nil "~[Mon~;Tue~;Wed~;Thu~;Fri~;Sat~;Sun~], ~d ~[Jan~;Feb~;Mar~;Apr~;May~;Jun~;Jul~;Aug~;Sep~;Oct~;Nov~;Dec~] ~d ~2,'0d:~2,'0d:~2,'0d" 
+		dow
+		day
+		(1- mon)
+		year
+		hr min sec))))
+
+(define-hyperobject address ()
+  ((title :type string)
+   (street :type string)
+   (phones :subobject t))
+  (:title "Address")
+  (:documentation "Address hyperobject"))
+
+(define-hyperobject phone ()
+  ((phone-number :type string))
+  (:title "Phone Number")
+  (:documentation "Phone hyperobject"))
+
+
+(defparameter home-phone-1 (make-instance 'phone :phone-number "367-9812"))
+(defparameter home-phone-2 (make-instance 'phone :phone-number "367-9813"))
+
+(defparameter office-phone-1 (make-instance 'phone :phone-number "123-0001"))
+(defparameter office-phone-2 (make-instance 'phone :phone-number "123-0002"))
+(defparameter office-phone-3 (make-instance 'phone :phone-number "123-0005"))
+
+(defparameter home (make-instance 'address :title "Home" :street "321 Shady Lane"
+				  :phones (list home-phone-1 home-phone-2)))
+
+(defparameter office (make-instance 'address :title "Office" :street "113 Main St."
+				    :phones (list office-phone-1 office-phone-2 office-phone-3)))
+
+			      
+(defparameter mary (make-instance 'person :first-name "Mary" :last-name "Jackson"
+			    :dob (get-universal-time)
+			    :addresses (list home office)
+			    :resume "Style & Grace"))
+
+
+(format t "~&Text Format~%")
+(print-hyperobject mary :subobjects t)
+
+(format t "~&XML Format with field labels and hyperlinks~%")
+(print-hyperobject mary :subobjects t :label t :format :xmlref)
diff --git a/examples/example.lisp b/examples/example.lisp
new file mode 100644
index 0000000..0e97b03
--- /dev/null
+++ b/examples/example.lisp
@@ -0,0 +1,90 @@
+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          hyperobject-example.lisp
+;;;; Purpose:       Hyperobject Example file
+;;;; Programmer:    Kevin M. Rosenberg
+;;;; Date Started:  Oct 2002
+;;;;
+;;;; A simple example file for hyperobjects
+;;;;
+;;;; $Id: example.lisp,v 1.1 2002/11/25 04:47:23 kevin Exp $
+;;;;
+;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
+;;;;
+;;;; *************************************************************************
+ 
+(in-package :hyperobject-user)
+
+
+(defclass person (hyperobject)
+  ((first-name :type string :initarg :first-name :reader first-name)
+   (last-name :type string :initarg :last-name :reader last-name
+	      :reference find-person-by-last-name)
+   (dob :type integer :initarg :dob :reader dob :print-formatter format-date)
+   (resume :type cdata :initarg :resume :reader resume)
+   (addresses :initarg :addresses :reader addresses :subobject t))
+  (:metaclass hyperobject-class)
+  (:default-initargs :first-name nil :last-name nil :dob 0 :resume nil) 
+  (:print-slots first-name last-name dob resume)
+  (:title "Person")
+  (:description "A Person"))
+
+(defun format-date (ut)
+  (when (typep ut 'integer)
+      (multiple-value-bind (sec min hr day mon year dow daylight-p zone)
+	  (decode-universal-time ut)
+	(declare (ignore daylight-p zone))
+	(format nil "~[Mon~;Tue~;Wed~;Thu~;Fri~;Sat~;Sun~], ~d ~[Jan~;Feb~;Mar~;Apr~;May~;Jun~;Jul~;Aug~;Sep~;Oct~;Nov~;Dec~] ~d ~2,'0d:~2,'0d:~2,'0d" 
+		dow
+		day
+		(1- mon)
+		year
+		hr min sec))))
+
+(defclass address (hyperobject)
+  ((title :type string :initarg :title :reader title)
+   (street :type string :initarg :street :reader street)
+   (phones :initarg :phones :reader phones :subobject t))
+  (:metaclass hyperobject-class)
+  (:default-initargs :title nil :street nil) 
+  (:title "Address")
+  (:print-slots title street)
+  (:description "An address"))
+
+(defclass phone (hyperobject)
+  ((title :type string :initarg :title :reader title)
+   (phone-number :type string :initarg :phone-number :reader phone-number))
+  (:metaclass hyperobject-class)
+  (:title "Phone Number")
+  (:default-initargs :title nil :phone-number nil)
+  (:print-slots title phone-number)
+  (:description "A phone number"))
+
+
+(defparameter home-phone-1 (make-instance 'phone :title "Voice" :phone-number "367-9812"))
+(defparameter home-phone-2 (make-instance 'phone :title "Fax" :phone-number "367-9813"))
+
+(defparameter office-phone-1 (make-instance 'phone :title "Main line" :phone-number "123-0001"))
+(defparameter office-phone-2 (make-instance 'phone :title "Staff line" :phone-number "123-0002"))
+(defparameter office-phone-3 (make-instance 'phone :title "Fax" :phone-number "123-0005"))
+
+(defparameter home (make-instance 'address :title "Home" :street "321 Shady Lane"
+				  :phones (list home-phone-1 home-phone-2)))
+
+(defparameter office (make-instance 'address :title "Office" :street "113 Main St."
+				    :phones (list office-phone-1 office-phone-2 office-phone-3)))
+
+			      
+(defparameter mary (make-instance 'person :first-name "Mary" :last-name "Jackson"
+			    :dob (get-universal-time)
+			    :addresses (list home office)
+			    :resume "Style & Grace"))
+
+
+(format t "~&Text Format~%")
+(print-hyperobject mary :subobjects t)
+
+(format t "~&XML Format with field labels and hyperlinks~%")
+(print-hyperobject mary :subobjects t :label t :format :xmlref)
diff --git a/hyperobject.asd b/hyperobject.asd
index 7e33ad1..2e0bc22 100644
--- a/hyperobject.asd
+++ b/hyperobject.asd
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: hyperobject.asd,v 1.7 2002/11/25 02:10:38 kevin Exp $
+;;;; $Id: hyperobject.asd,v 1.8 2002/11/25 04:47:23 kevin Exp $
 ;;;;
 ;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
 ;;;; *************************************************************************
@@ -21,7 +21,10 @@
     ((:file "package")
      #+(or allegro lispworks sbcl cmu scl)
      (:file "hyperobject" :depends-on ("package"))
-     (:file "base-class" :depends-on ("hyperobject"))
+     #+(or allegro lispworks sbcl cmu scl)
+     (:file "views" :depends-on ("hyperobject"))
+     #+(or allegro lispworks sbcl cmu scl)
+     (:file "base-class" :depends-on ("views"))
      (:file "hyperobject-no-mop" :depends-on ("package"))
      )
      :depends-on (:kmrcl))
diff --git a/hyperobject.lisp b/hyperobject.lisp
index 2479712..60d3483 100644
--- a/hyperobject.lisp
+++ b/hyperobject.lisp
@@ -11,7 +11,7 @@
 ;;;; in Text, HTML, and XML formats. This includes hyperlinking
 ;;;; capability and sub-objects.
 ;;;;
-;;;; $Id: hyperobject.lisp,v 1.13 2002/11/25 02:10:38 kevin Exp $
+;;;; $Id: hyperobject.lisp,v 1.14 2002/11/25 04:47:23 kevin Exp $
 ;;;;
 ;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
 ;;;;
@@ -136,7 +136,7 @@
 						   iargs)
   (find-class 'hyperobject-dsd))
 
-(defmacro define-class-slot (slot-name &optional required)
+(defmacro define-class-option (slot-name &optional required)
   #+lispworks
   `(defmethod clos:process-a-class-option ((class hyperobject-class)
 					   (name (eql ,slot-name))
@@ -150,9 +150,30 @@
   (declare (ignore slot-name required))
   )
 
-(define-class-slot :title)
-(define-class-slot :print-slots)
-(define-class-slot :description)
+(defmacro define-slot-option (slot-name)
+  #+lispworks
+  `(defmethod clos:process-a-slot-option ((class hyperobject-class)
+					  (option (eql ,slot-name))
+					  value
+					  already-processed-other-options
+					  slot)
+    (if (null (cdr value))
+	(list option (car value))
+	(list option `',value)))
+  #-lispworks
+  (declare (ignore slot-name))
+  )
+
+(define-class-option :title)
+(define-class-option :print-slots)
+(define-class-option :description)
+
+(define-slot-option :ho-type)
+(define-slot-option :print-formatter)
+(define-slot-option :subobject)
+(define-slot-option :reference)
+(define-slot-option :description)
+
 
 
 (defmethod compute-effective-slot-definition :around
diff --git a/package.lisp b/package.lisp
index a0d8a3b..0a2be50 100644
--- a/package.lisp
+++ b/package.lisp
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: package.lisp,v 1.10 2002/11/25 02:10:38 kevin Exp $
+;;;; $Id: package.lisp,v 1.11 2002/11/25 04:49:22 kevin Exp $
 ;;;;
 ;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
 ;;;; *************************************************************************
@@ -23,7 +23,6 @@
    #:package
    #:hyperobject
    #:hyperobject-class
-   #:hyperobject-base-url!
    #:hyperobject-class-title
    #:load-all-subobjects
    #:print-hyperobject
diff --git a/views.lisp b/views.lisp
new file mode 100644
index 0000000..cf92ed0
--- /dev/null
+++ b/views.lisp
@@ -0,0 +1,451 @@
+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          views.lisp
+;;;; Purpose:       View methods for Hyperobjects
+;;;; Programmer:    Kevin M. Rosenberg
+;;;; Date Started:  Apr 2000
+;;;;
+;;;; $Id: views.lisp,v 1.1 2002/11/25 04:47:23 kevin Exp $
+;;;;
+;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
+;;;;
+;;;; *************************************************************************
+ 
+(in-package :hyperobject)
+
+(eval-when (:compile-toplevel :execute)
+  (declaim (optimize (speed 3) (safety 1) (compilation-speed 0) (debug 3))))
+
+(defparameter *default-textformat* nil)
+(defparameter *default-htmlformat* nil)
+(defparameter *default-htmlrefformat* nil)
+(defparameter *default-xhtmlformat* nil)
+(defparameter *default-xhtmlrefformat* nil)
+(defparameter *default-xmlformat* nil)
+(defparameter *default-xmlrefformat* nil)
+(defparameter *default-ie-xmlrefformat* nil)
+(defparameter *default-nullformat* nil)
+(defparameter *default-init-format?* nil)
+
+(defun make-format-instance (fmt)
+  (unless *default-init-format?*
+    (setq *default-textformat* (make-instance 'textformat))
+    (setq *default-htmlformat* (make-instance 'htmlformat))
+    (setq *default-htmlrefformat* (make-instance 'htmlrefformat))
+    (setq *default-xhtmlformat* (make-instance 'xhtmlformat))
+    (setq *default-xhtmlrefformat* (make-instance 'xhtmlrefformat))
+    (setq *default-xmlformat* (make-instance 'xmlformat))
+    (setq *default-xmlrefformat* (make-instance 'xmlrefformat))
+    (setq *default-ie-xmlrefformat* (make-instance 'ie-xmlrefformat))
+    (setq *default-nullformat* (make-instance 'nullformat))
+    (setq *default-init-format?* t))
+  
+  (case fmt
+      (:text *default-textformat*)
+      (:html *default-htmlformat*)
+      (:htmlref *default-htmlrefformat*)
+      (:xhtml  *default-xhtmlformat*)
+      (:xhtmlref *default-xhtmlrefformat*)
+      (:xml  *default-xmlformat*)
+      (:xmlref *default-xmlrefformat*)
+      (:ie-xmlref *default-ie-xmlrefformat*)
+      (:null *default-nullformat*)
+      (otherwise *default-textformat*)))
+    
+;;;; Output format classes for print hyperobject-classes
+
+(defclass dataformat ()
+  ((file-start-str :type string :initarg :file-start-str :reader file-start-str)
+   (file-end-str :type string :initarg :file-end-str :reader file-end-str)
+   (list-start-fmtstr :type string :initarg :list-start-fmtstr :reader list-start-fmtstr)
+   (list-start-value-func :type function :initarg :list-start-value-func :reader list-start-value-func)
+   (list-start-indent :initarg :list-start-indent :reader list-start-indent)
+   (list-end-fmtstr :type string :initarg :list-end-fmtstr :reader list-end-fmtstr)
+   (list-end-value-func :type function :initarg :list-end-value-func :reader list-end-value-func)
+   (list-end-indent :initarg :list-end-indent :reader list-end-indent)
+   (obj-start-fmtstr :type string :initarg :obj-start-fmtstr :reader obj-start-fmtstr)
+   (obj-start-value-func :initarg :obj-start-value-func :reader obj-start-value-func)
+   (obj-start-indent :initarg :obj-start-indent :reader obj-start-indent)
+   (obj-end-fmtstr :type string :initarg :obj-end-fmtstr :reader obj-end-fmtstr)
+   (obj-end-value-func :initarg :obj-end-value-func :reader obj-end-value-func)
+   (obj-end-indent :initarg :obj-end-indent :reader obj-end-indent)
+   (obj-data-indent :initarg :obj-data-indent :reader obj-data-indent)
+   (obj-data-fmtstr :initarg :obj-data-fmtstr :reader  obj-data-fmtstr)
+   (obj-data-fmtstr-labels :initarg :obj-data-fmtstr-labels :reader  obj-data-fmtstr-labels)
+   (obj-data-end-fmtstr :initarg :obj-data-end-fmtstr :reader obj-data-end-fmtstr)
+   (obj-data-value-func :initarg :obj-data-value-func :reader obj-data-value-func)
+   (link-ref :initarg :link-ref :reader link-ref))
+  (:default-initargs :file-start-str nil :file-end-str nil :list-start-fmtstr nil :list-start-value-func nil
+		     :list-start-indent nil :list-end-fmtstr nil :list-end-value-func nil :list-end-indent nil
+		     :obj-start-fmtstr nil :obj-start-value-func nil :obj-start-indent nil
+		     :obj-end-fmtstr nil :obj-end-value-func nil :obj-end-indent nil
+		     :obj-data-indent nil :obj-data-fmtstr nil :obj-data-fmtstr-labels nil :obj-data-end-fmtstr nil
+		     :obj-data-value-func nil :link-ref nil)
+  (:documentation "Parent for all dataformat objects"))
+
+(defclass binaryformat (dataformat)
+  ())
+
+(defclass nullformat (dataformat)
+  ())
+
+(defun text-list-start-value-func (obj nitems)
+  (values (hyperobject-class-title obj) nitems))
+
+(defclass textformat (dataformat) 
+  ()	
+  (:default-initargs :list-start-fmtstr "~a~P:~%"
+    :list-start-value-func #'text-list-start-value-func
+    :list-start-indent t
+    :obj-data-indent t
+    :obj-data-fmtstr #'hyperobject-class-fmtstr-text
+    :obj-data-fmtstr-labels #'hyperobject-class-fmtstr-text-labels
+    :obj-data-end-fmtstr "~%"
+    :obj-data-value-func #'hyperobject-class-value-func))
+
+
+(defun class-name-of (obj)
+  (string-downcase (class-name (class-of obj))))
+
+(defun htmlformat-list-start-value-func (x nitems) 
+  (values (hyperobject-class-title x) nitems (class-name-of x)))
+
+(defclass htmlformat (textformat) 
+  ()
+  (:default-initargs :file-start-str "<html><body>~%"
+    :file-end-str "</body><html>~%"
+    :list-start-indent t
+    :list-start-fmtstr "<p><b>~a~p:</b></p><div class=\"~A\"><ul>~%"
+    :list-start-value-func #'htmlformat-list-start-value-func
+    :list-end-fmtstr "</ul></div>~%"
+    :list-end-indent t
+    :list-end-value-func #'identity
+    :obj-start-indent t
+    :obj-start-fmtstr "<li>"
+    :obj-start-value-func #'identity
+    :obj-end-indent  t
+    :obj-end-fmtstr  "</li>~%"
+    :obj-end-value-func #'identity
+    :obj-data-indent t
+    :obj-data-fmtstr #'hyperobject-class-fmtstr-html-labels
+    :obj-data-fmtstr-labels #'hyperobject-class-fmtstr-html-labels
+    :obj-data-value-func #'hyperobject-class-value-func))
+
+(defclass xhtmlformat (textformat) 
+  ()
+  (:default-initargs :file-start-str "<html><body>~%"
+    :file-end-str "</body><html>~%"
+    :list-start-indent t
+    :list-start-fmtstr "<p><b>~a~p:</b></p><div class=\"~A\"><ul>~%"
+    :list-start-value-func #'htmlformat-list-start-value-func
+    :list-end-fmtstr "</ul></div>~%"
+    :list-end-indent t
+    :list-end-value-func #'identity
+    :obj-start-indent t
+    :obj-start-fmtstr "<li>"
+    :obj-start-value-func #'identity
+    :obj-end-indent  t
+    :obj-end-fmtstr  "</li>~%"
+    :obj-end-value-func #'identity
+    :obj-data-indent t
+    :obj-data-fmtstr #'hyperobject-class-fmtstr-html-labels
+    :obj-data-fmtstr-labels #'hyperobject-class-fmtstr-html-labels
+    :obj-data-value-func #'hyperobject-class-xmlvalue-func))
+
+
+(defun xmlformat-list-end-value-func (x)
+  (format nil "~alist" (class-name-of x)))
+
+(defun xmlformat-list-start-value-func (x nitems) 
+  (values (format nil "~alist" (class-name-of x)) (hyperobject-class-title x) nitems))
+
+(defclass xmlformat (textformat) 
+  ()
+  (:default-initargs :file-start-str "" ; (std-xml-header)
+    :list-start-indent  t
+    :list-start-fmtstr "<~a><title>~a~p:</title> ~%"
+    :list-start-value-func #'xmlformat-list-start-value-func
+    :list-end-indent  t
+    :list-end-fmtstr "</~a>~%"
+    :list-end-value-func #'xmlformat-list-end-value-func
+    :obj-start-fmtstr "<~a>"
+    :obj-start-value-func #'class-name-of
+    :obj-start-indent t
+    :obj-end-fmtstr "</~a>~%"
+    :obj-end-value-func #'class-name-of
+    :obj-end-indent nil
+    :obj-data-indent nil
+    :obj-data-fmtstr #'hyperobject-class-fmtstr-xml
+    :obj-data-fmtstr-labels #'hyperobject-class-fmtstr-xml-labels
+    :obj-data-value-func #'hyperobject-class-xmlvalue-func))
+
+(defclass link-ref ()
+  ((fmtstr :type function :initarg :fmtstr :accessor fmtstr)
+   (fmtstr-labels :type function :initarg :fmtstr-labels :accessor fmtstr-labels)
+   (page-name :type string :initarg :page-name :accessor page-name)
+   (href-head :type string :initarg :href-head :accessor href-head)
+   (href-end :type string :initarg :href-end :accessor href-end)
+   (ampersand :type string :initarg :ampersand :accessor ampersand))
+  (:default-initargs :fmtstr nil 
+    :fmtstr-labels nil 
+    :page-name "disp-func1" 
+    :href-head nil :href-end nil :ampersand nil)
+  (:documentation "Formatting for a linked reference"))
+
+(defclass html-link-ref (link-ref)
+  ()
+  (:default-initargs :fmtstr #'hyperobject-class-fmtstr-html-ref  
+    :fmtstr-labels #'hyperobject-class-fmtstr-html-ref-labels
+    :href-head "a href=" 
+    :href-end "a" 
+    :ampersand "&"))
+
+(defclass xhtml-link-ref (link-ref)
+  ()
+  (:default-initargs :fmtstr #'hyperobject-class-fmtstr-html-ref  
+    :fmtstr-labels #'hyperobject-class-fmtstr-html-ref-labels
+    :href-head "a href=" 
+    :href-end "a" 
+    :ampersand "&amp;"))
+
+(defclass xml-link-ref (link-ref)
+  ()
+  (:default-initargs :fmtstr #'hyperobject-class-fmtstr-xml-ref 
+		     :fmtstr-labels #'hyperobject-class-fmtstr-xml-ref-labels
+		     :href-head "xmllink xlink:type=\"simple\" xlink:href=" 
+		     :href-end "xmllink" 
+		     :ampersand "&amp;")
+  (:documentation "Mozilla's and W3's idea of a link with XML"))
+
+(defclass ie-xml-link-ref (xml-link-ref)
+  ()
+  (:default-initargs :href-head "html:a href=" 
+		     :href-end "html:a" )
+  (:documentation "Internet Explorer's idea of a link with XML"))
+
+
+(defclass htmlrefformat (htmlformat)
+  ()
+  (:default-initargs :link-ref (make-instance 'html-link-ref)))
+
+(defclass xhtmlrefformat (xhtmlformat)
+  ()
+  (:default-initargs :link-ref (make-instance 'xhtml-link-ref)))
+
+(defclass xmlrefformat (xmlformat)
+  ()
+  (:default-initargs :link-ref (make-instance 'xml-link-ref)))
+
+(defclass ie-xmlrefformat (xmlformat)
+  ()
+  (:default-initargs :link-ref (make-instance 'ie-xml-link-ref)))
+
+
+;;; File Start and Ends
+
+(defgeneric fmt-file-start (fmt s))
+(defmethod fmt-file-start ((fmt dataformat) (s stream)))
+
+(defmethod fmt-file-start ((fmt textformat) (s stream))
+  (aif (file-start-str fmt)
+      (format s it)))
+
+(defgeneric fmt-file-end (fmt s))
+(defmethod fmt-file-end ((fmt textformat) (s stream))
+  (aif (file-end-str fmt)
+	  (format s it)))
+
+;;; List Start and Ends
+
+(defgeneric fmt-list-start (obj fmt s &optional indent num-items))
+(defmethod fmt-list-start (x (fmt textformat) (s stream) &optional (indent 0) (num-items 1))
+  (if (list-start-indent fmt)
+      (indent-spaces indent s))
+  (aif (list-start-fmtstr fmt)
+	  (apply #'format s it
+		 (multiple-value-list
+		  (funcall (list-start-value-func fmt) x num-items)))))
+
+(defgeneric fmt-list-end (obj fmt s &optional indent num-items))
+(defmethod fmt-list-end (x (fmt textformat) (s stream) &optional (indent 0) (num-items 1))
+  (declare (ignore num-items))
+  (if (list-end-indent fmt)
+      (indent-spaces indent s))
+  (aif (list-end-fmtstr fmt)
+	  (apply #'format s it
+		 (multiple-value-list
+		  (funcall (list-end-value-func fmt) x)))))
+
+;;; Object Start and Ends
+
+(defgeneric fmt-obj-start (obj fmt s &optional indent))
+(defmethod fmt-obj-start (x (fmt textformat) (s stream) &optional (indent 0))
+  (if (obj-start-indent fmt)
+      (indent-spaces indent s))
+  (aif (obj-start-fmtstr fmt)
+	  (apply #'format s it
+		 (multiple-value-list
+		  (funcall (obj-start-value-func fmt) x)))))
+
+(defgeneric fmt-obj-end (obj fmt s &optional indent))
+(defmethod fmt-obj-end (x (fmt textformat) (s stream) &optional (indent 0))
+  (if (obj-end-indent fmt)
+      (indent-spaces indent s))
+  (aif (obj-end-fmtstr fmt)
+	  (apply #'format s it
+		 (multiple-value-list
+		  (funcall (obj-end-value-func fmt) x)))))
+  
+;;; Object Data 
+
+(defgeneric make-link-start (obj ref fieldname fieldfunc fieldvalue refvars))
+(defmethod make-link-start (obj (ref link-ref) fieldname fieldfunc fieldvalue refvars)
+  (declare (ignore obj fieldname))
+  (format nil "~a\"~a?func=~a~akey=~a~a\"" 
+	  (href-head ref) (make-url (page-name ref)) fieldfunc 
+	  (ampersand ref) fieldvalue
+	  (if refvars
+	      (let ((varstr ""))
+		(dolist (var refvars)
+		  (string-append varstr (format nil "~a~a=~a" 
+						(ampersand ref) (car var) (cadr var))))
+		varstr)
+	    "")))
+
+(defgeneric make-link-end (obj ref fieldname)) 
+(defmethod make-link-end (obj (ref link-ref) fieldname)
+  (declare (ignore obj fieldname))
+  (format nil "~a" (href-end ref))
+  )
+
+(defgeneric fmt-obj-data (obj fmt s &optional indent label refvars))
+(defmethod fmt-obj-data (x (fmt textformat) s
+			 &optional (indent 0) (label nil) (refvars nil))
+  (if (obj-data-indent fmt)
+      (indent-spaces indent s))
+  (if (link-ref fmt)
+      (fmt-obj-data-with-ref x fmt s label refvars)
+    (fmt-obj-data-plain x fmt s label))
+  (aif (obj-data-end-fmtstr fmt)
+       (format s it)))
+
+(defgeneric fmt-obj-data-plain (obj fmt s label))
+(defmethod fmt-obj-data-plain (x (fmt textformat) s label)
+  (if label
+      (apply #'format s
+	     (funcall (obj-data-fmtstr-labels fmt) x)
+	     (multiple-value-list 
+	      (funcall (funcall (obj-data-value-func fmt) x) x)))
+    (apply #'format s (funcall (obj-data-fmtstr fmt) x)
+	   (multiple-value-list
+	    (funcall (funcall (obj-data-value-func fmt) x) x)))))
+
+(defgeneric fmt-obj-data-with-ref (obj fmt s label refvars))
+(defmethod fmt-obj-data-with-ref (x (fmt textformat) s label refvars)
+  (let ((refstr (make-ref-data-str x fmt label))
+	(refvalues nil)
+	(field-values 
+	 (multiple-value-list
+	  (funcall (funcall (obj-data-value-func fmt) x) x))))
+    
+    ;; make list of reference link fields for printing to refstr template
+    (dolist (ref (hyperobject-class-references x))
+      (let ((link-start 
+	     (make-link-start x (link-ref fmt) (name ref) (lookup ref)
+			      (nth (position (name ref)
+					     (hyperobject-class-fields x)
+					     :key #'(lambda (x)
+						      (slot-definition-name x)))
+				   field-values)  
+			      (append (link-parameters ref) refvars)))
+	    (link-end (make-link-end x (link-ref fmt) (name ref))))
+	(push link-start refvalues)
+	(push link-end refvalues)))
+    (setq refvalues (nreverse refvalues))
+    
+    (apply #'format s refstr refvalues)))
+
+(defgeneric obj-data (obj))
+(defmethod obj-data (x)
+  "Returns the objects data as a string. Used by common-graphics outline function"
+  (let ((fmt (make-format-instance :text)))
+    (apply #'format nil (funcall (obj-data-fmtstr fmt) x)
+	   (multiple-value-list 
+	    (funcall (funcall (obj-data-value-func fmt) x) x)))))
+
+(defgeneric make-ref-data-str (obj fmt &optional label))
+(defmethod make-ref-data-str (x (fmt textformat) &optional (label nil))
+  "Return fmt string for that contains ~a slots for reference link start and end"
+  (unless (link-ref fmt)
+    (error "fmt does not contain a link-ref"))
+  (let ((refstr 
+	 (if label
+	     (apply #'format nil (funcall (fmtstr-labels (link-ref fmt)) x)
+		    (multiple-value-list
+		      (funcall (funcall (obj-data-value-func fmt) x) x)))
+	   (apply #'format nil (funcall (fmtstr (link-ref fmt)) x)
+		  (multiple-value-list (funcall (funcall (obj-data-value-func fmt) x) x))))))
+    refstr))
+  
+;;; Display method for objects
+
+
+(defgeneric load-all-subobjects (objs))
+(defmethod load-all-subobjects (objs)
+  "Load all subobjects if they have not already been loaded."
+  (when objs
+    (let ((objlist (mklist objs)))
+      (dolist (obj objlist)
+        (awhen (hyperobject-class-subobjects obj)  ;; access list of functions
+          (dolist (child-obj it)   ;; for each child function
+            (awhen (funcall (reader child-obj) obj)
+              (load-all-subobjects it))))))
+    objs))
+
+(defgeneric print-hyperobject-class (objs fmt strm
+				  &optional label english-only-function
+				  indent subobjects refvars))
+
+(defmethod print-hyperobject-class (objs (fmt dataformat) (strm stream) 
+				 &optional (label nil) (indent 0)
+				 (english-only-function nil)
+				 (subobjects nil) (refvars nil))
+"Display a single or list of hyperobject-class instances and their subobjects"
+  (when objs
+    (setq objs (mklist objs))
+    (let ((nobjs (length objs)))
+      (fmt-list-start (car objs) fmt strm indent nobjs)
+      (dolist (obj objs)
+        (unless (and english-only-function
+		  (multiple-value-bind (eng term) (funcall english-only-function obj)
+		    (and term (not eng))))
+          (fmt-obj-start obj fmt strm indent)
+          (fmt-obj-data obj fmt strm (1+ indent) label refvars)
+          (if subobjects
+              (awhen (hyperobject-class-subobjects obj)  ;; access list of functions
+                        (dolist (child-obj it)   ;; for each child function
+                          (awhen (funcall (reader child-obj) obj) ;; access set of child objects
+                                    (print-hyperobject-class it fmt strm label 
+                                                     (1+ indent) english-only-function
+						     subobjects refvars)))))
+          (fmt-obj-end obj fmt strm indent)))
+      (fmt-list-end (car objs) fmt strm indent nobjs))
+    t))
+
+
+
+(defun print-hyperobject (objs &key (os *standard-output*) (format :text)
+		      (label nil) (english-only-function nil)
+		      (subobjects nil) (file-wrapper t) (refvars nil))
+  "EXPORTED Function: prints hyperobject-class objects. Simplies call to print-hyperobject-class"
+  (let ((fmt (make-format-instance format)))
+    (if file-wrapper
+	(fmt-file-start fmt os))
+    (when objs
+      (print-hyperobject-class objs fmt os label 0 english-only-function subobjects refvars))
+    (if file-wrapper
+	(fmt-file-end fmt os)))
+  objs)
+
-- 
2.34.1