;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: mop.lisp,v 1.53 2003/04/16 19:20:51 kevin Exp $
-;;;;
-;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
+;;;; $Id$
;;;;
+;;;; This file is Copyright (c) 2000-2006 by Kevin M. Rosenberg
;;;; *************************************************************************
-
-(in-package :hyperobject)
-(eval-when (:compile-toplevel :execute)
- (declaim (optimize (speed 2) (safety 2) (compilation-speed 0) (debug 2))))
+(in-package #:hyperobject)
;; Main class
(defclass hyperobject-class (standard-class)
( ;; slots initialized in defclass
(user-name :initarg :user-name :type string :initform nil
- :accessor user-name
- :documentation "User name for class")
+ :accessor user-name
+ :documentation "User name for class")
+ (user-name-plural :initarg :user-name-plural :type string :initform nil
+ :accessor user-name-plural
+ :documentation "Plural 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")
+ :accessor default-print-slots
+ :documentation "Defaults slots for a view")
(description :initarg :description :initform nil
- :accessor description
- :documentation "Class description")
+ :accessor description
+ :documentation "Class description")
(version :initarg :version :initform nil
- :accessor version
- :documentation "Version number for class")
- (sql-name :initarg :sql-name :initform nil)
+ :accessor version
+ :documentation "Version number for class")
+ (closures :initarg :closures :initform nil
+ :accessor closures
+ :documentation "Closures to call on slot chnages")
+ (sql-name :initarg :sql-name :accessor sql-name :initform nil
+ :documentation "SQL Name for this class")
+ (guid :initarg :guid :accessor guid :initform nil
+ :documentation "ID string for this class")
;;; The remainder of these fields are calculated one time
;;; in finalize-inheritence.
-
+
(subobjects :initform nil :accessor subobjects
- :documentation
- "List of fields that contain a list of subobjects objects.")
+ :documentation
+ "List of fields that contain a list of subobjects objects.")
+ (compute-cached-values :initform nil :accessor compute-cached-values
+ :documentation
+ "List of fields that contain a list of compute-cached-value objects.")
(hyperlinks :type list :initform nil :accessor hyperlinks
- :documentation "List of fields that have 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")
+ :accessor direct-rules
+ :documentation "List of rules to fire on slot changes.")
+ (direct-views :type list :initform nil :initarg :direct-views
+ :accessor direct-views
+ :documentation "List of views")
+ (class-id :type integer :initform (+ (* 1000000 (get-universal-time)) (random 1000000))
+ :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")
+ :documentation "The default view for a class")
+ (documementation :initform nil :initarg :documentation
+ :documentation "Documentation string for hyperclass.")
;; SQL commands
(create-table-cmd :initform nil :reader create-table-cmd)
(drop-table-cmd :initform nil :reader drop-table-cmd)
(views :type list :initform nil :initarg :views :accessor views
- :documentation "List of views")
+ :documentation "List of views")
(rules :type list :initform nil :initarg :rules :accessor rules
- :documentation "List of rules")
+ :documentation "List of rules")
)
(:documentation "Metaclass for Markup Language classes."))
(defclass subobject ()
- ((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)
- (format s "~S" (name obj))))
+ ((name-class :type symbol :initarg :name-class :reader name-class)
+ (name-slot :type symbol :initarg :name-slot :reader name-slot)
+ (lazy-class :type symbol :initarg :lazy-class :reader lazy-class)
+ (lookup :type (or function symbol) :initarg :lookup :reader lookup)
+ (lookup-keys :type list :initarg :lookup-keys :reader lookup-keys))
+ (:documentation "subobject information")
+ (:default-initargs :name-class nil :name-slot nil :lazy-class nil
+ :lookup nil :lookup-keys nil))
+
+(defclass compute-cached-value ()
+ ((name-class :type symbol :initarg :name-class :reader name-class)
+ (name-slot :type symbol :initarg :name-slot :reader name-slot)
+ (lazy-class :type symbol :initarg :lazy-class
+ :reader lazy-class)
+ (lookup :type (or function symbol) :initarg :lookup :reader lookup)
+ (lookup-keys :type list :initarg :lookup-keys :reader lookup-keys))
+ (:documentation "subobject information")
+ (:default-initargs :name-class nil :name-slot nil :lazy-class nil
+ :lookup nil :lookup-keys nil))
+
+
+(defmethod print-object ((obj subobject) s)
+ (print-unreadable-object (obj s :type t)
+ (format s "~S" (name-slot obj))))
(defclass hyperlink ()
((name :type symbol :initform nil :initarg :name :reader name)
- (lookup :type (or function symbol) :initform nil :initarg :lookup :reader lookup)
+ (lookup
+ ;; The type specifier seems to break sbcl
+ :type (or function symbol)
+ ;; :type t
+ :initform nil :initarg :lookup :reader lookup)
(link-parameters :type list :initform nil :initarg :link-parameters
- :reader link-parameters)))
+ :reader link-parameters)))
-(defmethod print-object ((obj hyperlink) (s stream))
+(defmethod print-object ((obj hyperlink) s)
(print-unreadable-object (obj s :type t :identity t)
(format s "~S" (name obj))))
-#+(or cmu scl sbcl)
(defmethod validate-superclass ((class hyperobject-class) (superclass standard-class))
t)
+
+(declaim (inline delistify))
+(defun delistify (list)
+ "Some MOPs, like openmcl 0.14.2, cons attribute values in a list."
+ (if (listp list)
+ (car list)
+ list))
+
+(defun remove-keyword-arg (arglist akey)
+ (let ((mylist arglist)
+ (newlist ()))
+ (labels ((pop-arg (alist)
+ (let ((arg (pop alist))
+ (val (pop alist)))
+ (unless (equal arg akey)
+ (setf newlist (append (list arg val) newlist)))
+ (when alist (pop-arg alist)))))
+ (pop-arg mylist))
+ newlist))
+
+(defun remove-keyword-args (arglist akeys)
+ (let ((mylist arglist)
+ (newlist ()))
+ (labels ((pop-arg (alist)
+ (let ((arg (pop alist))
+ (val (pop alist)))
+ (unless (find arg akeys)
+ (setf newlist (append (list arg val) newlist)))
+ (when alist (pop-arg alist)))))
+ (pop-arg mylist))
+ newlist))
+
+
+(defmethod shared-initialize :around ((class hyperobject-class) slot-names
+ &rest initargs
+ &key direct-superclasses
+ user-name sql-name name description
+ &allow-other-keys)
+ ;(format t "ii ~S ~S ~S ~S ~S~%" initargs base-table direct-superclasses user-name sql-name)
+ (let ((root-class (find-class 'hyperobject nil))
+ (vmc 'hyperobject-class)
+ user-name-plural user-name-str sql-name-str)
+ ;; when does CLSQL pass :qualifier to initialize instance?
+ (setq user-name-str
+ (if user-name
+ (delistify user-name)
+ (and name (format nil "~:(~A~)" name))))
+
+ (setq sql-name-str
+ (if sql-name
+ (delistify sql-name)
+ (and name (lisp-name-to-sql-name name))))
+
+ (if sql-name
+ (delistify sql-name)
+ (and name (lisp-name-to-sql-name name)))
+
+ (setq description (delistify description))
+
+ (setq user-name-plural
+ (if (and (consp user-name) (second user-name))
+ (second user-name)
+ (and user-name-str (format nil "~A~P" user-name-str 2))))
+
+ (flet ((do-call-next-method (direct-superclasses)
+ (let ((fn-args (list class slot-names :direct-superclasses direct-superclasses))
+ (rm-args '(:direct-superclasses)))
+ (when user-name-str
+ (setq fn-args (nconc fn-args (list :user-name user-name-str)))
+ (push :user-name rm-args))
+ (when user-name-plural
+ (setq fn-args (nconc fn-args (list :user-name-plural user-name-plural)))
+ (push :user-name-plural rm-args))
+ (when sql-name-str
+ (setq fn-args (nconc fn-args (list :sql-name sql-name-str)))
+ (push :sql-name rm-args))
+ (when description
+ (setq fn-args (nconc fn-args (list :description description)))
+ (push :description rm-args))
+ (setq fn-args (nconc fn-args (remove-keyword-args initargs rm-args)))
+ (apply #'call-next-method fn-args))))
+ (if root-class
+ (if (some #'(lambda (super) (typep super vmc))
+ direct-superclasses)
+ (do-call-next-method direct-superclasses)
+ (do-call-next-method direct-superclasses #+nil (append (list root-class)
+ direct-superclasses)))
+ (do-call-next-method direct-superclasses)))))
+
+
(defmethod finalize-inheritance :after ((cl hyperobject-class))
- (init-hyperobject-class cl)
- )
+ "Initialize a hyperobject class. Calculates all class slots"
+ (finalize-subobjects cl)
+ (finalize-compute-cached cl)
+ (init-hyperobject-class cl))
-;; Slot definitions
-(defmethod direct-slot-definition-class ((cl hyperobject-class)
- #+allegro &rest
- iargs)
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (when (>= (length (generic-function-lambda-list
+ (ensure-generic-function
+ 'compute-effective-slot-definition)))
+ 3)
+ (pushnew :ho-normal-cesd cl:*features*))
+
+ (when (>= (length (generic-function-lambda-list
+ (ensure-generic-function
+ 'direct-slot-definition-class)))
+ 3)
+ (pushnew :ho-normal-dsdc cl:*features*))
+
+ (when (>= (length (generic-function-lambda-list
+ (ensure-generic-function
+ 'effective-slot-definition-class)))
+ 3)
+ (pushnew :ho-normal-esdc cl:*features*)))
+
+(defmethod direct-slot-definition-class ((cl hyperobject-class)
+ #+ho-normal-dsdc &rest iargs)
+ (declare (ignore iargs))
(find-class 'hyperobject-dsd))
+(defmethod effective-slot-definition-class ((cl hyperobject-class)
+ #+ho-normal-esdc &rest iargs)
+ (declare (ignore iargs))
+ (find-class 'hyperobject-esd))
- ; Slot definitions
+;;; Slot definitions
(eval-when (:compile-toplevel :load-toplevel :execute)
(defmacro process-class-option (slot-name &optional required)
#+lispworks
`(defmethod clos:process-a-class-option ((class hyperobject-class)
- (name (eql ,slot-name))
- value)
+ (name (eql ,slot-name))
+ value)
(when (and ,required (null value))
- (error "hyperobject class slot ~A must have a value" name))
+ (error "hyperobject class slot ~A must have a value" name))
(list name `',value))
- #+(or allegro sbcl cmu scl)
+ #+(or allegro sbcl cmu scl openmcl)
(declare (ignore slot-name required))
)
(defmacro process-slot-option (slot-name)
#+lispworks
`(defmethod clos:process-a-slot-option ((class hyperobject-class)
- (option (eql ,slot-name))
- value
- already-processed-options
- slot)
+ (option (eql ,slot-name))
+ value
+ already-processed-options
+ slot)
(list* option `',value already-processed-options))
#-lispworks
(declare (ignore slot-name))
)
-
+
(dolist (option *class-options*)
(eval `(process-class-option ,option)))
(dolist (option *slot-options*)
(eval
`(defclass hyperobject-dsd (standard-direct-slot-definition)
(,@(mapcar #'(lambda (x)
- `(,(intern (symbol-name x))
- :initform nil))
- *slot-options-no-initarg*)
+ `(,(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*))))
+ `(,(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
- :accessor
- ,(intern (concatenate 'string
- (symbol-name :esd-)
- (symbol-name x)))))
- (append *slot-options* *slot-options-no-initarg*)))))
+ `(,(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)
(atom
(ensure-keyword vt))
(cons
- (cons (ensure-keyword (car vt)) (cdr vt)))
+ (list (ensure-keyword (car vt)) (cadr 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))
- (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*))
+ #+ho-normal-cesd name
+ dsds)
+ (declare (ignore #+ho-normal-cesd name))
+ (let ((esd (call-next-method)))
+ (if (typep esd 'hyperobject-esd)
+ (compute-hyperobject-esd esd dsds)
+ esd)))
+
+(defun compute-hyperobject-esd (esd dsds)
+ (let* ((dsd (car dsds)))
+ (multiple-value-bind (sql-type sql-length)
+ (value-type-to-sql-type (dsd-value-type dsd))
+ (setf (esd-sql-type esd) sql-type)
+ (setf (esd-sql-length esd) sql-length))
+ (setf (esd-user-name esd)
+ (aif (dsd-user-name dsd)
+ it
+ (string-downcase (symbol-name (slot-definition-name dsd)))))
+ (setf (esd-sql-name esd)
+ (aif (dsd-sql-name dsd)
+ it
+ (lisp-name-to-sql-name (slot-definition-name dsd))))
+ (setf (esd-sql-name esd)
+ (aif (dsd-sql-name dsd)
+ it
+ (lisp-name-to-sql-name (slot-definition-name dsd))))
+ (dolist (name '(value-type print-formatter subobject hyperlink
+ hyperlink-parameters unbound-lookup
+ description value-constraint indexed null-allowed
+ unique short-description void-text read-only-groups
+ hidden-groups unit disable-predicate view-type
+ list-of-values compute-cached-value stored))
+ (setf (slot-value esd name) (slot-value dsd name)))
+ esd))
+
+(defun lisp-name-to-sql-name (lisp)
+ "Convert a lisp name (atom or list, string or symbol) into a canonical
+SQL name"
+ (unless (stringp lisp)
+ (setq lisp
+ (typecase lisp
+ (symbol (symbol-name lisp))
+ (t (write-to-string lisp)))))
+ (do* ((len (length lisp))
+ (sql (make-string len))
+ (i 0 (1+ i)))
+ ((= i len) (string-upcase sql))
+ (declare (fixnum i)
+ (simple-string sql))
+ (setf (schar sql i)
+ (let ((c (char lisp i)))
+ (case c
+ ((#\- #\$ #\+ #\#) #\_)
+ (otherwise c))))))
+
+#+ho-normal-cesd
+(setq cl:*features* (delete :ho-normal-cesd cl:*features*))
+#+ho-normal-dsdc
+(setq cl:*features* (delete :ho-normal-dsdc cl:*features*))
+#+ho-normal-esdc
+(setq cl:*features* (delete :ho-normal-esdc cl:*features*))
+
+(defun lisp-type-is-a-string (type)
+ (or (eq type 'string)
+ (and (listp type) (some #'(lambda (x) (eq x 'string)) type))))
+
+(defun value-type-is-a-string (type)
+ (or (eq type 'string)
+ (eq type 'cdata)
+ (and (listp type) (some #'(lambda (x) (or (eq x 'string)
+ (eq x 'cdata)))
+ type))))
+
+(defun base-value-type (value-type)
+ (if (atom value-type)
+ value-type
+ (car value-type)))
(defun value-type-to-lisp-type (value-type)
- (case (if (atom value-type)
- value-type
- (car value-type))
+ (case (base-value-type value-type)
((:string :cdata :varchar :char)
- 'string)
+ '(or null string))
+ (:datetime
+ '(or null integer))
(:character
- 'character)
+ '(or null character))
(:fixnum
- 'fixnum)
+ '(or null fixnum))
(:boolean
- 'boolean)
- (:integer
- 'integer)
+ '(or null boolean))
+ ((:integer :long-integer)
+ '(or null integer))
((:float :single-float)
- 'single-float)
+ '(or null single-float))
(:double-float
- 'double-float)
+ '(or null double-float))
(otherwise
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))))
+ (let ((type (base-value-type value-type))
+ (length (when (consp value-type)
+ (cadr value-type))))
(values
(case type
- ((:string :cdata)
- :string)
+ ((:char :character)
+ :char)
+ (:varchar
+ :varchar)
((:fixnum :integer)
- :integer)
+ :integer)
+ (:long-integer
+ :long-integer)
(:boolean
- :boolean)
+ :boolean)
((:float :single-float)
- :single-float)
+ :single-float)
(:double-float
- :double-float)
+ :double-float)
+ (:datetime
+ :long-integer)
(otherwise
- :text))
+ :text))
length)))
;;;; 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)))))
-
-#+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)))))
+;; One entry for each class with lazy readers defined. The value is a plist mapping
+;; slot-name to a lazy reader, each of which is a list of a function and slot-names.
+(defvar *lazy-readers* (make-hash-table))
+
+(defmethod slot-unbound ((class hyperobject-class) instance slot-name)
+ (let ((lazy-reader
+ (loop for super in (class-precedence-list class)
+ as lazy-reader = (getf (gethash super *lazy-readers*) slot-name)
+ when lazy-reader return it)))
+ (if lazy-reader
+ (setf (slot-value instance slot-name)
+ (if (atom lazy-reader)
+ (make-instance lazy-reader)
+ (apply (car lazy-reader)
+ (loop for arg-slot-name in (cdr lazy-reader)
+ collect (slot-value instance arg-slot-name)))))
+ ;; No lazy reader -- defer to regular slot-unbound handling.
+ (call-next-method))))
+
+;; The reader is a function and the reader-keys are slot names. The slot is lazily set to
+;; the result of applying the function to the slot-values of those slots, and that value
+;; is also returned.
+(defun ensure-lazy-reader (cl class-name slot-name lazy-class reader
+ &rest reader-keys)
+ (declare (ignore class-name))
+ (setf (getf (gethash cl *lazy-readers*) slot-name)
+ (aif lazy-class
+ it
+ (list* reader (copy-list reader-keys)))))
+
+(defun remove-lazy-reader (class-name slot-name)
+ (setf (getf (gethash (find-class class-name) *lazy-readers*) slot-name)
+ nil))
+
+
+(defun store-lazily-computed-objects (cl slot esd-accessor obj-class)
+ (setf (slot-value cl slot)
+ (let ((objs '()))
+ (dolist (slot (class-slots cl))
+ (let-when
+ (def (funcall esd-accessor slot))
+ (let ((obj (make-instance obj-class
+ :name-class (class-name cl)
+ :name-slot (slot-definition-name slot)
+ :lazy-class (when (atom def)
+ def)
+ :lookup (when (listp def)
+ (car def))
+ :lookup-keys (when (listp def)
+ (cdr def)))))
+ (unless (eq (lookup obj) t)
+ (apply #'ensure-lazy-reader
+ cl
+ (name-class obj) (name-slot obj)
+ (lazy-class obj)
+ (lookup obj) (lookup-keys obj))
+ (push obj objs)))))
+ ;; sbcl/cmu reverse class-slots compared to the defclass form
+ ;; so re-reverse on cmu/sbcl
+ #+(or cmu sbcl) objs
+ #-(or cmu sbcl) (nreverse objs)
+ )))
(defun finalize-subobjects (cl)
- "Process class subobjects slot"
- (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)
- )))
+ (store-lazily-computed-objects cl 'subobjects 'esd-subobject 'subobject))
+
+(defun finalize-compute-cached (cl)
+ (store-lazily-computed-objects cl 'compute-cached-values
+ 'esd-compute-cached-value 'compute-cached-value))
+
(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))))
- (awhen (slot-value cl 'description)
- (setf (slot-value cl 'description)
- (etypecase (slot-value cl 'description)
- (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 (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) "")
- ))))
+ (setf (documentation cl 'type)
+ (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))
(defun init-hyperobject-class (cl)
"Initialize a hyperobject class. Calculates all class slots"
- (finalize-subobjects cl)
(finalize-views cl)
(finalize-hyperlinks cl)
(finalize-sql cl)
(finalize-documentation cl))
+
+
;;;; *************************************************************************
;;;; Metaclass Slot Accessors
;;;; *************************************************************************
(find name (class-slots cl) :key #'slot-definition-name))
(defun hyperobject-class-user-name (obj)
- (awhen (user-name (class-of obj))
- (if (consp it)
- (car it)
- it)))
+ (user-name (class-of obj)))
+
+(defun hyperobject-class-user-name-plural (obj)
+ (user-name-plural (class-of obj)))
(defun hyperobject-class-subobjects (obj)
(subobjects (class-of obj)))
#+(or cmu sbcl) (reverse (class-slots (class-of obj)))
#-(or cmu sbcl) (class-slots (class-of obj)))
+(defun all-subobjects (obj)
+ "Returns a list of all subobjects in an object"
+ (let ((so-list '()))
+ (dolist (subobj-obj (subobjects (class-of obj)) (nreverse so-list))
+ (dolist (so (funcall (name-slot subobj-obj) obj))
+ (push so so-list)))))