;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: mop.lisp,v 1.10 2002/12/13 05:44:19 kevin Exp $
+;;;; $Id: mop.lisp,v 1.21 2003/03/29 07:09:41 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
;;;;
(defclass hyperobject-class (standard-class)
( ;; slots initialized in defclass
(user-name :initarg :user-name :type string :initform nil
- :documentation "User name for class")
+ :accessor user-name
+ :documentation "User name for class")
(default-print-slots :initarg :default-print-slots :type list :initform nil
+ :accessor default-print-slots
:documentation "Defaults slots for a view")
(description :initarg :description :initform nil
+ :accessor description
:documentation "Class description")
(version :initarg :version :initform nil
- :documentation "Version number for class")
- (sql-name :initarg :table-name :initform nil)
+ :accessor version
+ :documentation "Version number for class")
+ (sql-name :initarg :sql-name :initform nil)
;;; The remainder of these fields are calculated one time
;;; in finalize-inheritence.
- (subobjects :initform nil :documentation
+ (subobjects :initform nil :accessor subobjects
+ :documentation
"List of fields that contain a list of subobjects objects.")
- (hyperlinks :type list :initform nil :documentation
- "List of fields that have hyperlinks")
- (class-id :type integer :initform nil :documentation
- "Unique ID for the class")
+ (hyperlinks :type list :initform nil :accessor hyperlinks
+ :documentation "List of fields that have hyperlinks")
+ (direct-rules :type list :initform nil :initarg :direct-rules
+ :accessor direct-rules
+ :documentation "List of rules to fire on slot changes.")
+ (class-id :type integer :initform nil
+ :accessor class-id
+ :documentation "Unique ID for the class")
+ (default-view :initform nil :initarg :default-view :accessor default-view
+ :documentation "The default view for a class")
;; SQL commands
(create-table-cmd :initform nil :reader create-table-cmd)
(views :type list :initform nil :initarg :views :accessor views
:documentation "List of views")
- (default-view :initform nil :initarg :default-view :accessor default-view
- :documentation "The default view for a class")
+ (rules :type list :initform nil :initarg :rules :accessor rules
+ :documentation "List of rules")
)
(:documentation "Metaclass for Markup Language classes."))
`(,(intern (symbol-name x))
:initarg
,(intern (symbol-name x) (symbol-name :keyword))
- :initform nil))
+ :initform nil
+ :accessor
+ ,(intern (concatenate 'string
+ (symbol-name :dsd-)
+ (symbol-name x)))))
*slot-options*))))
(eval
`(defclass hyperobject-esd (standard-effective-slot-definition)
`(,(intern (symbol-name x))
:initarg
,(intern (symbol-name x) (symbol-name :keyword))
- :initform nil))
- (append *slot-options* *slot-options-no-initarg*)))))
+ :initform nil
+ :accessor
+ ,(intern (concatenate 'string
+ (symbol-name :esd-)
+ (symbol-name x)))))
+ (append *slot-options* *slot-options-no-initarg*)))))
) ;; eval-when
(defun intern-in-keyword (obj)
(t
obj)))
-(defmethod compute-effective-slot-definition :around
- ((cl hyperobject-class) #+(or allegro lispworks) name dsds)
+(defun canonicalize-value-type (vt)
+ (typecase vt
+ (atom
+ (ensure-keyword vt))
+ (cons
+ (cons (ensure-keyword (car vt)) (cdr vt)))
+ (t
+ t)))
+
+(defmethod compute-effective-slot-definition :around ((cl hyperobject-class)
+ #+(or allegro lispworks) name
+ dsds)
#+allergo (declare (ignore name))
(let* ((dsd (car dsds))
- (ho-type (intern-in-keyword (slot-value dsd '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))
- (let ((ia (compute-effective-slot-definition-initargs
- cl #+lispworks name dsds)))
- (apply
- #'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 ho-type
- ((or :string :cdata :varchar :char)
+ (value-type (canonicalize-value-type (slot-value dsd 'value-type))))
+ (multiple-value-bind (sql-type length) (value-type-to-sql-type value-type)
+ (setf (slot-value dsd 'sql-type) sql-type)
+ (setf (slot-value dsd 'type) (value-type-to-lisp-type value-type))
+ (let ((ia (compute-effective-slot-definition-initargs
+ cl #+lispworks name dsds)))
+ (apply
+ #'make-instance 'hyperobject-esd
+ :value-type value-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)
+ :value-constraint (slot-value dsd 'value-constraint)
+ :null-allowed (slot-value dsd 'null-allowed)
+ ia)))))
+
+(defun value-type-to-lisp-type (value-type)
+ (case (if (atom value-type)
+ value-type
+ (car value-type))
+ ((:string :cdata :varchar :char)
'string)
(:character
'character)
'boolean)
(:integer
'integer)
- ((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 ho-type
- ((or :string :cdata)
- 'string)
- (:fixnum
- 'integer)
- (:boolean
- 'boolean)
- (:integer
- 'integer)
- ((or :float :single-float)
+ ((:float :single-float)
'single-float)
(:double-float
'double-float)
- (nil
- t)
(otherwise
- ho-type)))
-
+ t)))
+
+(defun value-type-to-sql-type (value-type)
+ "Return two values, the sql type and field length."
+ (let ((type (if (atom value-type)
+ value-type
+ (car value-type)))
+ (length (when (consp value-type)
+ (cadr value-type))))
+ (values
+ (case type
+ ((:string :cdata)
+ :string)
+ ((:fixnum :integer)
+ :integer)
+ (:boolean
+ :boolean)
+ ((:float :single-float)
+ :single-float)
+ (:double-float
+ :double-float)
+ (otherwise
+ :text))
+ length)))
;;;; Class initialization function
(setf (slot-value ,the-instance ,the-slot-name)
(,reader ,@keys)))))
+
+(defparameter *queued-definitions-pathname*
+ (make-pathname :directory '(:absolute "tmp")
+ :name (format nil "hyperobject-def-~d" (get-universal-time))
+ :type "lisp"))
+(defparameter *queued-definitions-stream* nil)
+
+(defun add-definition (def)
+ (unless *queued-definitions-stream*
+ (setq *queued-definitions-stream* (open *queued-definitions-pathname*
+ :direction :output
+ :if-exists :supersede)))
+ (format *queued-definitions-stream* "~A~%" def))
+
+(defun process-queued-definitions ()
+ (when *queued-definitions-stream*
+ (close *queued-definitions-stream*)
+ (compile-file *queued-definitions-pathname*)
+ (load (compile-file-pathname *queued-definitions-pathname*))
+ (delete-file *queued-definitions-pathname*)
+ (delete-file (compile-file-pathname *queued-definitions-pathname*))
+ (setq *queued-definitions-stream* nil)))
+
(defun finalize-subobjects (cl)
"Process class subobjects slot"
- (setf (slot-value cl 'subobjects)
+ (setf (subobjects cl)
(let ((subobjects '()))
(dolist (slot (class-slots cl))
- (let-when (subobj-def (slot-value slot 'subobject))
+ (let-when (subobj-def (esd-subobject slot))
(let ((subobject (make-instance 'subobject
:name-class (class-name cl)
:name-slot (slot-definition-name slot)
nil
(cdr subobj-def)))))
(unless (eq (lookup subobject) t)
- (eval `(def-lazy-reader ,(name-class subobject)
- ,(name-slot subobject) ,(lookup subobject)
- ,@(lookup-keys subobject))))
+ (add-definition
+ `(def-lazy-reader ,(name-class subobject)
+ ,(name-slot subobject) ,(lookup subobject)
+ ,@(lookup-keys subobject))))
(push subobject subobjects))))
subobjects)))
(let ((*print-circle* nil))
(setf (documentation (class-name cl) 'class)
(format nil "Hyperobject~A~A~A~A"
- (aif (slot-value cl 'user-name)
+ (aif (user-name cl)
(format nil ": ~A" it ""))
- (aif (slot-value cl 'description)
+ (aif (description cl)
(format nil "~%Class description: ~A" it) "")
- (aif (slot-value cl 'subobjects)
+ (aif (subobjects cl)
(format nil "~%Subobjects:~{ ~A~}" (mapcar #'name-slot it)) "")
- (aif (slot-value cl 'default-print-slots)
+ (aif (default-print-slots cl)
(format nil "~%Default print slots:~{ ~A~}" it) "")
))))
(finalize-views cl)
(finalize-hyperlinks cl)
(finalize-sql cl)
+ (finalize-rules cl)
(finalize-documentation cl))
(find name (class-slots cl) :key #'slot-definition-name))
(defun hyperobject-class-user-name (obj)
- (awhen (slot-value (class-of obj) 'user-name)
+ (awhen (user-name (class-of obj))
(if (consp it)
(car it)
it)))
(defun hyperobject-class-subobjects (obj)
- (slot-value (class-of obj) 'subobjects))
+ (subobjects (class-of obj)))
(defun hyperobject-class-hyperlinks (obj)
- (slot-value (class-of obj) 'hyperlinks))
+ (hyperlinks (class-of obj)))
(defun hyperobject-class-fields (obj)
(class-slots (class-of obj)))
projects / hyperobject.git / blobdiff