;;;;
;;;; A simple example file for hyperobjects
;;;;
-;;;; $Id: example.lisp,v 1.2 2002/11/22 15:45:06 kevin Exp $
+;;;; $Id: example.lisp,v 1.3 2002/11/22 19:14:17 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
;;;;
(resume :type cdata :initarg :resume :reader resume)
(addresses :initarg :addresses :reader addresses :initform nil :subobject t))
(:metaclass hyperobject-class)
+ (:print-slots first-name last-name dob resume)
(:title "Person"))
(defun format-date (ut)
(street :type string :initarg :street :reader street :initform nil)
(phones :initarg :phones :reader phones :initform nil :subobject t))
(:metaclass hyperobject-class)
- (:title "Address"))
+ (:title "Address")
+ (:print-slots title street))
(defclass phone (hyperobject)
((phone-number :type string :initarg :phone-number :reader phone-number))
(:metaclass hyperobject-class)
- (:title "Phone Number"))
+ (:title "Phone Number")
+ (:print-slots phone-number))
(defparameter home-phone-1 (make-instance 'phone :phone-number "367-9812"))
;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: hyperobject.lisp,v 1.7 2002/11/22 16:05:08 kevin Exp $
+;;;; $Id: hyperobject.lisp,v 1.8 2002/11/22 19:14:17 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
;;;;
;; Main class
(defclass hyperobject-class (standard-class)
- ((title :initarg :title :type string :reader ml-std-title
- :documentation
-"Print Title for class")
+ ((title :initarg :title :type string :initform nil
+ :documentation "Print Title for class")
+ (print-slots :initarg :print-slots :type list :initform nil
+ :documentation "List of slots to print")
(subobjects
- :initarg :subobjects
- :documentation
-"List of fields that contain a list of subobjects objects.")
+ :initarg :subobjects :initform nil
+ :documentation "List of fields that contain a list of subobjects objects.")
(references
- :initarg :references :type list :reader ml-std-references
+ :initarg :references :type list :initform nil
:documentation
"List of fields that can be referred to by browsers.
Format is ((field-name field-lookup-func other-link-params) ...)")
;;; The remainder of these fields are calculated one time
;;; in finalize-inheritence.
- (value-func :initform nil :type function :reader ml-std-value-func)
- (xmlvalue-func :initform nil :type function :reader ml-std-xmlvalue-func)
- (fmtstr-text :initform nil :type string :reader ml-std-fmtstr-text)
- (fmtstr-html :initform nil :type string :reader ml-std-fmtstr-html)
- (fmtstr-xml :initform nil :type string :reader ml-std-fmtstr-xml)
- (fmtstr-text-labels :initform nil :type string :reader ml-std-fmtstr-text-labels)
- (fmtstr-html-labels :initform nil :type string :reader ml-std-fmtstr-html-labels)
- (fmtstr-xml-labels :initform nil :type string :reader ml-std-fmtstr-xml-labels)
- (fmtstr-html-ref :initform nil :type string :reader ml-std-fmtstr-html-ref)
- (fmtstr-xml-ref :initform nil :type string :reader ml-std-fmtstr-xml-ref)
- (fmtstr-html-ref-labels :initform nil :type string :reader ml-std-fmtstr-html-ref-labels)
- (fmtstr-xml-ref-labels :initform nil :type string :reader ml-std-fmtstr-xml-ref-labels)
+ (value-func :initform nil :type function)
+ (xmlvalue-func :initform nil :type function)
+ (fmtstr-text :initform nil :type string)
+ (fmtstr-html :initform nil :type string)
+ (fmtstr-xml :initform nil :type string)
+ (fmtstr-text-labels :initform nil :type string)
+ (fmtstr-html-labels :initform nil :type string)
+ (fmtstr-xml-labels :initform nil :type string)
+ (fmtstr-html-ref :initform nil :type string)
+ (fmtstr-xml-ref :initform nil :type string)
+ (fmtstr-html-ref-labels :initform nil :type string)
+ (fmtstr-xml-ref-labels :initform nil :type string)
)
- (:default-initargs :title nil :subobjects nil :references nil)
(:documentation "Metaclass for Markup Language classes."))
(defclass subobject ()
(list name (car value))
(list name `',value)))
+#+lispworks
+(defmethod clos:process-a-class-option ((class hyperobject-class)
+ (name (eql :print-slots))
+ value)
+ (if (null (cdr value))
+ (list name (car value))
+ (list name `',value)))
+
(defmethod (compute-effective-slot-definition) :around
((cl hyperobject-class) #+(or allegro lispworks) slot dsds)
(declare (ignorable slot))
ho-type)))
;;;; Class initialization function
-
+
+(defun find-slot-by-name (cl name)
+ (find name (class-slots cl) :key #'slot-definition-name))
+
(defun init-hyperobject-class (cl)
(let ((fmtstr-text "")
(fmtstr-html "")
(references nil)
(subobjects nil))
(declare (ignore classname))
- (dolist (f (class-slots cl))
- (if (slot-value f 'subobject)
- (push (make-instance 'subobject :name (slot-definition-name f)
- :reader (if (eq t (esd-subobject f))
- (slot-definition-name f)
- (esd-subobject f)))
+
+ (dolist (slot-name (slot-value cl 'print-slots))
+ (let ((slot (find-slot-by-name cl slot-name)))
+ (unless slot
+ (error "Slot ~A is not found in class ~S" slot-name cl))
+ (if (slot-value slot 'subobject)
+ (push (make-instance 'subobject :name (slot-definition-name slot)
+ :reader (if (eq t (esd-subobject slot))
+ (slot-definition-name slot)
+ (esd-subobject slot)))
subobjects)
- (let ((name (slot-definition-name f))
- (namestr (symbol-name (slot-definition-name f)))
- (namestr-lower (string-downcase (symbol-name (slot-definition-name f))))
- (type (slot-value f 'ho-type))
- (formatter (slot-value f 'format-func))
+ (let ((name (slot-definition-name slot))
+ (namestr (symbol-name (slot-definition-name slot)))
+ (namestr-lower (string-downcase (symbol-name (slot-definition-name slot))))
+ (type (slot-value slot 'ho-type))
+ (formatter (slot-value slot 'format-func))
(value-fmt "~a")
(plain-value-func nil)
html-str xml-str html-label-str xml-label-str)
(string-append fmtstr-html-labels html-label-str)
(string-append fmtstr-xml-labels xml-label-str)
- (if (esd-reference f)
+ (if (esd-reference slot)
(progn
(string-append fmtstr-html-ref "<~~a>" value-fmt "</~~a>")
(string-append fmtstr-xml-ref "<~~a>" value-fmt "</~~a>")
(string-append fmtstr-html-ref-labels "<span class=\"label\">" namestr-lower "</span> <~~a>" value-fmt "</~~a>")
(string-append fmtstr-xml-ref-labels "<label>" namestr-lower "</label> <~~a>" value-fmt "</~~a>")
- (push (make-instance 'reference :name name :lookup (esd-reference f))
+ (push (make-instance 'reference :name name :lookup (esd-reference slot))
references))
(progn
(string-append fmtstr-html-ref html-str)
(if (eql type :cdata)
(setq xmlvalue-func (append xmlvalue-func (list `(xml-cdata ,@plain-value-func))))
(setq xmlvalue-func (append xmlvalue-func plain-value-func)))
- )))
+ ))))
(setf (slot-value cl 'references) references)
(setf (slot-value cl 'subobjects) subobjects)