;;;; 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 1.61 2003/04/22 14:19:08 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."))
(defclass hyperlink ()
((name :type symbol :initform nil :initarg :name :reader name)
- (lookup :type function :initform nil :initarg :lookup :reader lookup)
+ (lookup :type (or function symbol) :initform nil :initarg :lookup :reader lookup)
(link-parameters :type list :initform nil :initarg :link-parameters
:reader link-parameters)))
;; Slot definitions
(defmethod direct-slot-definition-class ((cl hyperobject-class)
#+allegro &rest
- iargs)
+ iargs)
(find-class 'hyperobject-dsd))
-; Slot definitions
+ ; Slot definitions
(eval-when (:compile-toplevel :load-toplevel :execute)
(defmacro process-class-option (slot-name &optional required)
`(defmethod clos:process-a-class-option ((class hyperobject-class)
(name (eql ,slot-name))
value)
- (when (and ,required (null value))
- (error "hyperobject class slot ~A must have a value" name))
- (list name `',value))
+ (when (and ,required (null value))
+ (error "hyperobject class slot ~A must have a value" name))
+ (list name `',value))
#+(or allegro sbcl cmu scl)
(declare (ignore slot-name required))
)
`(defmethod clos:process-a-slot-option ((class hyperobject-class)
(option (eql ,slot-name))
value
- already-processed-other-options
+ already-processed-options
slot)
- (list option `',value))
+ (list* option `',value already-processed-options))
#-lispworks
(declare (ignore slot-name))
)
(eval
`(defclass hyperobject-dsd (standard-direct-slot-definition)
- (,@(mapcar #'(lambda (x)
- `(,(intern (symbol-name x))
- :initform nil))
- *slot-options-no-initarg*)
- ,@(mapcar #'(lambda (x)
- `(,(intern (symbol-name x))
- :initarg
- ,(intern (symbol-name x) (symbol-name :keyword))
- :initform nil))
- *slot-options*))))
+ (,@(mapcar #'(lambda (x)
+ `(,(intern (symbol-name x))
+ :initform nil))
+ *slot-options-no-initarg*)
+ ,@(mapcar #'(lambda (x)
+ `(,(intern (symbol-name x))
+ :initarg
+ ,(intern (symbol-name x) (symbol-name :keyword))
+ :initform nil
+ :accessor
+ ,(intern (concatenate 'string
+ (symbol-name :dsd-)
+ (symbol-name x)))))
+ *slot-options*))))
(eval
`(defclass hyperobject-esd (standard-effective-slot-definition)
- (,@(mapcar #'(lambda (x)
- `(,(intern (symbol-name x))
- :initarg
- ,(intern (symbol-name x) (symbol-name :keyword))
- :initform nil))
- (append *slot-options* *slot-options-no-initarg*)))))
+ (,@(mapcar #'(lambda (x)
+ `(,(intern (symbol-name x))
+ :initarg
+ ,(intern (symbol-name x) (symbol-name :keyword))
+ :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)
- #+allergo (declare (ignore name))
+(defun canonicalize-value-type (vt)
+ (typecase vt
+ (atom
+ (ensure-keyword vt))
+ (cons
+ (cons (ensure-keyword (car vt)) (cdr vt)))
+ (t
+ t)))
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (when (>= (length (generic-function-lambda-list
+ (ensure-generic-function
+ 'compute-effective-slot-definition)))
+ 3)
+ (push :ho-named-cesd-fun cl:*features*)))
+
+(defmethod compute-effective-slot-definition :around ((cl hyperobject-class)
+ #+ho-named-cesd-fun name
+ dsds)
+ #+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))))
- (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)
- 'string)
+ (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)))))
+
+
+#+ho-named-cesd-fun
+(setq cl:*features* (delete :ho-named-cesd-fun cl:*features*))
+
+(defun value-type-to-lisp-type (value-type)
+ (case (if (atom value-type)
+ value-type
+ (car value-type))
+ ((:string :cdata :varchar :char)
+ '(or null string))
(:character
- 'character)
- (:fixnum
- 'fixnum)
- (:boolean
- '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)
+ '(or null character))
(:fixnum
- 'integer)
+ '(or null fixnum))
(:boolean
- 'boolean)
+ '(or null boolean))
(:integer
- 'integer)
- ((or :float :single-float)
- 'single-float)
+ '(or null integer))
+ ((:float :single-float)
+ '(or null single-float))
(:double-float
- 'double-float)
- (nil
- t)
+ '(or null double-float))
(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
(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)))))
+ (,the-slot-name (eql ',slot-name)))
+ (declare (ignore ,the-class))
+ (setf (slot-value ,the-instance ,the-slot-name) (,reader ,@keys)))))
+
+
+#+lispworks
+(defun intern-eql-specializer (slot)
+ `(eql ,slot))
+
+#+(or sbcl 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 (slot-value cl 'subobjects)
- (let ((subobjects '()))
- (dolist (slot (class-slots cl))
- (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)))
+ (setf (subobjects cl)
+ (let ((subobjects '()))
+ (dolist (slot (class-slots cl))
+ (let-when (subobj-def (esd-subobject slot))
+ (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)
+ #-(or sbcl cmu lispworks)
+ (eval
+ `(hyperobject::def-lazy-reader ,(name-class subobject)
+ ,(name-slot subobject) ,(lookup subobject)
+ ,@(lookup-keys subobject)))
+ #+(or sbcl cmu lispworks)
+ (apply #'ensure-lazy-reader
+ (name-class subobject) (name-slot subobject) (lookup subobject) (lookup-keys subobject))
+ )
+ (push subobject subobjects))))
+ ;; sbcl/cmu reverse class-slots compared to the defclass form
+ ;; subobject is already reversed from the dolist/push loop, so re-reverse on cmu/sbcl
+ #+(or cmu sbcl) subobjects
+ #-(or cmu sbcl) (nreverse subobjects)
+ )))
(defun finalize-documentation (cl)
"Calculate class documentation slot"
(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))))
+ (cons (car it))
+ ((or string symbol) it))))
(awhen (slot-value cl 'description)
(setf (slot-value cl 'description)
(etypecase (slot-value cl 'description)
- (cons (car it))
- ((or string symbol) it))))
+ (cons (car it))
+ ((or string symbol) it))))
(let ((*print-circle* nil))
(setf (documentation (class-name cl) 'class)
- (format nil "Hyperobject~A~A~A~A"
- (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-slot it)) "")
- (aif (slot-value cl 'default-print-slots)
- (format nil "~%Default print slots:~{ ~A~}" it) "")
- ))))
+ (format nil "Hyperobject~A~A~A~A"
+ (aif (user-name cl)
+ (format nil ": ~A" it ""))
+ (aif (description cl)
+ (format nil "~%Class description: ~A" it) "")
+ (aif (subobjects cl)
+ (format nil "~%Subobjects:~{ ~A~}" (mapcar #'name-slot it)) "")
+ (aif (default-print-slots cl)
+ (format nil "~%Default print slots:~{ ~A~}" it) "")
+ ))))
(defun finalize-hyperlinks (cl)
(let ((hyperlinks '()))
(dolist (esd (class-slots cl))
(awhen (slot-value esd 'hyperlink)
- (push
- (make-instance 'hyperlink
- :name (slot-definition-name esd)
- :lookup it
- :link-parameters (slot-value esd 'hyperlink-parameters))
- hyperlinks)))
+ (push
+ (make-instance 'hyperlink
+ :name (slot-definition-name esd)
+ :lookup it
+ :link-parameters (slot-value esd 'hyperlink-parameters))
+ hyperlinks)))
+ ;; cmu/sbcl reverse class-slots compared to the defclass form
+ ;; hyperlinks is already reversed from the dolist/push loop, so re-reverse on sbcl/cmu
+ #-(or cmu sbcl) (setq hyperlinks (nreverse hyperlinks))
(setf (slot-value cl 'hyperlinks) hyperlinks)))
(defun init-hyperobject-class (cl)
(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)))
+(defun hyperobject-class-slots (obj)
+ ;; cmucl/sbcl reverse class-slots
+ #+(or cmu sbcl) (reverse (class-slots (class-of obj)))
+ #-(or cmu sbcl) (class-slots (class-of obj)))