;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: mop.lisp,v 1.12 2002/12/13 22:00:05 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
;;;;
(version :initarg :version :initform nil
:accessor version
:documentation "Version number for class")
- (sql-name :initarg :table-name :initform nil)
+ (sql-name :initarg :sql-name :initform nil)
;;; The remainder of these fields are calculated one time
;;; in finalize-inheritence.
"List of fields that contain a list of subobjects objects.")
(hyperlinks :type list :initform nil :accessor hyperlinks
:documentation "List of fields that have hyperlinks")
- (direct-rules :type list :initform nil :accessor direct-rules
+ (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."))
(t
obj)))
+(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))))
- #+allergo (declare (ignore name))
- (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)
- :value-constraint (slot-value dsd 'value-constraint)
- :null-allowed (slot-value dsd 'null-allowed)
- 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)
+ ((: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)
- '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 (subobjects cl)
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)))
(finalize-views cl)
(finalize-hyperlinks cl)
(finalize-sql cl)
+ (finalize-rules cl)
(finalize-documentation cl))
(defun hyperobject-class-fields (obj)
(class-slots (class-of obj)))
-;;; Slot accessor and class rules
-
-(defun fire-class-rules (cl obj)
- "Fire all class rules. Called after a slot is modified."
- (dolist (rule (direct-rules cl))
- (cmsg "firing rule: ~a" rule)))
-
-
-(defmethod (setf slot-value-using-class)
- :around (new-value (cl hyperobject-class) obj
- (slot standard-effective-slot-definition))
- (cmsg-c :verbose "Setf slot value: class: ~s, obj: ~s, slot: ~s, value: ~s" cl (class-of obj) slot new-value)
- (let ((func (esd-value-constraint slot)))
- (cond
- ((and func (not (funcall func new-value obj)))
- (warn "Rejected change to value of slot ~a of object ~a"
- (slot-definition-name slot) obj)
- (slot-value obj (slot-definition-name slot)))
- (t
- (call-next-method)
- (fire-class-rules cl obj)
- new-value))))
-
-(defmethod slot-value-using-class :around ((cl hyperobject-class) obj
- (slot standard-effective-slot-definition))
- (let ((value (call-next-method)))
- (cmsg-c :verbose "slot value: class: ~s, obj: ~s, slot: ~s" cl (class-of obj) slot)
- value))
projects / hyperobject.git / blobdiff