+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name: hyperobject.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: hyperobject-example.lisp,v 1.1 2002/11/04 22:02:09 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)
+ (dob :type integer :initarg :dob :reader dob)
+ (resume :initarg :resume :reader resume)
+ (addresses :initarg :addresses :reader addresses))
+ (:metaclass hyperobject-class)
+ (:default-initargs
+ :first-name nil :last-name nil :resume nil :dob 0 :addresses nil)
+ (:title "Person")
+ (:subobjects-lists (addresses address))
+ (:fields (first-name :string) (last-name :string) (dob :integer format-date)
+ (resume :cdata))
+ (:ref-fields (last-name find-person-by-last-name)))
+
+(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))
+ (:metaclass hyperobject-class)
+ (:default-initargs :title nil :street nil :phones nil)
+ (:title "Address")
+ (:subobjects-lists (phones phone))
+ (:fields (title :string) (street :string)))
+
+
+(defclass phone (hyperobject)
+ ((phone-number :type string :initarg :phone-number :reader phone-number))
+ (:metaclass hyperobject-class)
+ (:title "Phone Number")
+ (:fields (phone-number :string)))
+
+
+(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)