;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: mop.lisp,v 1.7 2002/12/06 16:18:49 kevin Exp $
+;;;; $Id: mop.lisp,v 1.8 2002/12/09 10:39:38 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
;;;;
(defclass hyperobject-class (standard-class)
( ;; slots initialized in defclass
- (title :initarg :title :type string :initform nil
- :documentation "Print Title for class")
+ (user-name :initarg :user-name :type string :initform nil
+ :documentation "User name for class")
(print-slots :initarg :print-slots :type list :initform nil
:documentation "List of slots to print")
(description :initarg :description :initform nil
:documentation "Class description")
(version :initarg :version :initform nil
:documentation "Version number for class")
- (sql-name :initarg :table-name :initform nil :reader sql-name)
+ (sql-name :initarg :table-name :initform nil)
;;; The remainder of these fields are calculated one time
;;; in finalize-inheritence.
(:documentation "Metaclass for Markup Language classes."))
(defclass subobject ()
- ((name :type symbol :initform nil :initarg :name :reader name)
- (reader :type function :initform nil :initarg :reader :reader reader)))
+ ((name-class :type symbol :initform nil :initarg :name-class :reader name-class)
+ (name-slot :type symbol :initform nil :initarg :name-slot :reader name-slot)
+ (lookup :type symbol :initform nil :initarg :lookup :reader lookup)
+ (lookup-keys :type list :initform nil :initarg :lookup-keys
+ :reader lookup-keys))
+ (:documentation "Contains subobject information"))
+
(defmethod print-object ((obj subobject) (s stream))
(print-unreadable-object (obj s :type t :identity t)
#+allergo (declare (ignore name))
(let* ((dsd (car dsds))
(ho-type (slot-value dsd 'type))
- (sql-type (ho-type-to-sql-type ho-type)))
+ (sql-type (ho-type-to-sql-type ho-type))
+ (length (when (consp ho-type) (cadr ho-type))))
(setf (slot-value dsd 'ho-type) ho-type)
(setf (slot-value dsd 'sql-type) sql-type)
(setf (slot-value dsd 'type) (ho-type-to-lisp-type ho-type))
#'make-instance 'hyperobject-esd
:ho-type ho-type
:sql-type sql-type
+ :length length
:print-formatter (slot-value dsd 'print-formatter)
:subobject (slot-value dsd 'subobject)
:hyperlink (slot-value dsd 'hyperlink)
:hyperlink-parameters (slot-value dsd 'hyperlink-parameters)
:description (slot-value dsd 'description)
+ :user-name (slot-value dsd 'user-name)
+ :index (slot-value dsd 'index)
ia))))
(defun ho-type-to-lisp-type (ho-type)
+ (when (consp ho-type)
+ (setq ho-type (car ho-type)))
(check-type ho-type symbol)
(case (intern (symbol-name ho-type) (symbol-name :keyword))
- (:string
+ ((or :string :cdata :varchar :char)
'string)
+ (:character
+ 'character)
(:fixnum
'fixnum)
(:boolean
'boolean)
(:integer
'integer)
- (:cdata
- 'string)
- (:float
- 'float)
+ ((or :float :single-float)
+ 'single-float)
+ (:double-float
+ 'double-float)
(:nil
t)
(otherwise
ho-type)))
(defun ho-type-to-sql-type (ho-type)
+ (when (consp ho-type)
+ (setq ho-type (car ho-type)))
(check-type ho-type symbol)
(case (intern (symbol-name ho-type) (symbol-name :keyword))
- (:string
+ ((or :string :cdata)
'string)
(:fixnum
'integer)
'boolean)
(:integer
'integer)
- (:cdata
- 'string)
- (:float
- 'float)
+ ((or :float :single-float)
+ 'single-float)
+ (:double-float
+ 'double-float)
(:nil
t)
(otherwise
;;;; Class initialization function
+;; defines a slot-unbound method for class and slot-name, fills
+;; the slot by calling reader function with the slot values of
+;; the instance's reader-keys
+(defmacro def-lazy-reader (class slot-name reader &rest reader-keys)
+ (let* ((the-slot-name (gensym))
+ (the-class (gensym))
+ (the-instance (gensym))
+ (keys '()))
+ (dolist (key reader-keys)
+ (push (list 'slot-value the-instance (list 'quote key)) keys))
+ (setq keys (nreverse keys))
+ `(defmethod slot-unbound (,the-class (,the-instance ,class)
+ (,the-slot-name (eql ',slot-name)))
+ (declare (ignore ,the-class))
+ (setf (slot-value ,the-instance ,the-slot-name)
+ (,reader ,@keys)))))
+
(defun finalize-subobjects (cl)
"Process class subobjects slot"
(setf (slot-value cl 'subobjects)
(let ((subobjects '()))
(dolist (slot (class-slots cl))
- (when (slot-value slot 'subobject)
- (push (make-instance 'subobject :name (slot-definition-name slot)
- :reader (if (eq t (slot-value slot 'subobject))
- (slot-definition-name slot)
- (slot-value slot 'subobject)))
- subobjects)))
+ (let-when (subobj-def (slot-value slot 'subobject))
+ (let ((subobject (make-instance 'subobject
+ :name-class (class-name cl)
+ :name-slot (slot-definition-name slot)
+ :lookup (if (atom subobj-def)
+ subobj-def
+ (car subobj-def))
+ :lookup-keys (if (atom subobj-def)
+ nil
+ (cdr subobj-def)))))
+ (unless (eq (lookup subobject) t)
+ (eval `(def-lazy-reader ,(name-class subobject)
+ ,(name-slot subobject) ,(lookup subobject)
+ ,@(lookup-keys subobject))))
+ (push subobject subobjects))))
subobjects)))
(defun finalize-documentation (cl)
"Calculate class documentation slot"
- (awhen (slot-value cl 'title)
- (setf (slot-value cl 'title)
- (etypecase (slot-value cl 'title)
+ (awhen (slot-value cl 'user-name)
+ (setf (slot-value cl 'user-name)
+ (etypecase (slot-value cl 'user-name)
(cons (car it))
((or string symbol) it))))
(awhen (slot-value cl 'description)
(let ((*print-circle* nil))
(setf (documentation (class-name cl) 'class)
(format nil "Hyperobject~A~A~A~A"
- (aif (slot-value cl 'title)
+ (aif (slot-value cl 'user-name)
(format nil ": ~A" it ""))
(aif (slot-value cl 'description)
(format nil "~%Class description: ~A" it) "")
(aif (slot-value cl 'subobjects)
- (format nil "~%Subobjects:~{ ~A~}" (mapcar #'name it)) "")
+ (format nil "~%Subobjects:~{ ~A~}" (mapcar #'name-slot it)) "")
(aif (slot-value cl 'print-slots)
(format nil "~%Print-slots:~{ ~A~}" it) "")
))))
(eval-when (:compile-toplevel :load-toplevel :execute)
- (defun hyperobject-class-title (obj)
- (awhen (slot-value (class-of obj) 'title)
+ (defun hyperobject-class-user-name (obj)
+ (awhen (slot-value (class-of obj) 'user-name)
(if (consp it)
(car it)
it))))
projects / hyperobject.git / blobdiff