;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: mop.lisp,v 1.13 2002/12/13 22:26:41 kevin Exp $
+;;;; $Id: mop.lisp,v 1.41 2003/04/12 03:14:29 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
(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))
+ #+allegro (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)
- '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)))))
+#+lispworks
+(defun intern-eql-specializer (slot)
+ `(eql ,slot))
+
+#+(or sbcl scl cmu lispworks)
+(defun ensure-lazy-reader (class-name slot-name reader &rest reader-keys)
+ (let ((keys nil)
+ (gf (ensure-generic-function 'slot-unbound)))
+ (dolist (key reader-keys)
+ (push (list 'slot-value 'the-instance (list 'quote key)) keys))
+ (setq keys (nreverse keys))
+ (multiple-value-bind (method-lambda init-args-values)
+ (make-method-lambda
+ gf
+ (class-prototype (generic-function-method-class gf))
+ #-lispworks
+ `(lambda (the-class the-instance the-slot-name)
+ (declare (ignore the-class))
+ (setf (slot-value the-instance the-slot-name) (,reader ,@keys)))
+ #+lispworks
+ '(the-class the-instance the-slot-name)
+ #+lispworks
+ nil
+ #+lispworks
+ `(setf (slot-value the-instance the-slot-name) (,reader ,@keys))
+ nil)
+ (add-method gf
+ (apply
+ #'make-instance (generic-function-method-class gf)
+ ':specializers (list (class-of (find-class class-name))
+ (find-class class-name)
+ (intern-eql-specializer slot-name))
+ ':lambda-list '(the-class the-instance the-slot-name)
+ ':function (compile nil method-lambda)
+ init-args-values)))))
+
(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))))
+ #-(or sbcl cmu scl lispworks)
+ (eval
+ `(hyperobject::def-lazy-reader ,(name-class subobject)
+ ,(name-slot subobject) ,(lookup subobject)
+ ,@(lookup-keys subobject)))
+ #+(or sbcl cmu scl lispworks)
+ (apply #'ensure-lazy-reader
+ (name-class subobject) (name-slot subobject) (lookup subobject) (lookup-keys subobject))
+ )
(push subobject subobjects))))
- subobjects)))
+ ;; allegro and lispworks reverse class-slots compared to the defclass form
+ ;; subobject is already reversed from the dolist/push loop, so re-reverse on non-allegro/lispworks
+ #+(or lispworks allegro) subobjects
+ #-(or lispworks allegro) (nreverse subobjects)
+ )))
(defun finalize-documentation (cl)
"Calculate class documentation slot"
:lookup it
:link-parameters (slot-value esd 'hyperlink-parameters))
hyperlinks)))
+ ;; allegro and lispworks reverse class-slots compared to the defclass form
+ ;; hyperlinks is already reversed from the dolist/push loop, so re-reverse on non-allegro/lispworks
+ #-(or lispworks allegro) (setq hyperlinks (nreverse hyperlinks))
(setf (slot-value cl 'hyperlinks) hyperlinks)))
(defun init-hyperobject-class (cl)
(hyperlinks (class-of obj)))
(defun hyperobject-class-fields (obj)
- (class-slots (class-of obj)))
-
-;;; Slot accessor and class rules
-
-(defclass rule ()
- ((dependants :initarg dependants :initform nil :accessor dependants)
- (volatile :initarg modifieds :initform nil :accessor modifieds)
- (source-code :initarg source-code :initform nil :accessor source-code)
- (function :initform nil :accessor function)))
+ ;; allegro and lispworks reverse class-slots
+ #+(or allegro lispworks) (reverse (class-slots (class-of obj)))
+ #-(or allegro lispworks) (class-slots (class-of obj)))
-(defun compile-rule (source-code cl)
- )
-
-(defun finalize-rules (cl)
- (let* ((direct-rules (direct-rules cl))
- (rule-vector (make-vector (length direct-rules) :fill-pointer nil
- :adjustable nil)))
- (dotimes (i (length direct-rules))
- (destructuring-bind (name (&key dependants volatile) &rest source-code)
- (nth i direct-rules)
- (setf (aref rule-vector i) (make-instance 'rule
- :name name
- :dependants depedenants
- :volatile volatile
- :source-code source-code
- :function (compile-rule source-code cl)))))
- (setf (rules cl) rule-vector)))
-
-(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