-;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
-;;;; *************************************************************************
-;;;; FILE IDENTIFICATION
-;;;;
-;;;; Name: mop.lisp
-;;;; Purpose: Metaobject Protocol Interface
-;;;; Programmer: Kevin M. Rosenberg
-;;;; Date Started: Apr 2000
-;;;;
-;;;; This metaclass as functions to classes to allow display
-;;;; in Text, HTML, and XML formats. This includes hyperlinking
-;;;; capability and sub-objects.
-;;;;
-;;;; $Id: mop.lisp,v 1.9 2002/12/09 19:37:54 kevin Exp $
-;;;;
-;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
-;;;;
-;;;; *************************************************************************
-
-(in-package :hyperobject)
-
-(eval-when (:compile-toplevel :execute)
- (declaim (optimize (speed 2) (safety 2) (compilation-speed 0) (debug 2))))
-
-;; Main class
-
-(defclass hyperobject-class (standard-class)
- ( ;; slots initialized in defclass
- (user-name :initarg :user-name :type string :initform nil
- :documentation "User name for class")
- (print-slots :initarg :print-slots :type list :initform nil
- :documentation "List of slots to print")
- (description :initarg :description :initform nil
- :documentation "Class description")
- (version :initarg :version :initform nil
- :documentation "Version number for class")
- (sql-name :initarg :table-name :initform nil)
-
- ;;; The remainder of these fields are calculated one time
- ;;; in finalize-inheritence.
-
- (subobjects :initform nil :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")
-
- (create-table-cmd :initform nil :reader create-table-cmd)
- (create-indices-cmds :initform nil :reader create-index-cmds)
- (drop-table-cmd :initform nil :reader drop-table-cmd)
-
- (value-func :initform nil :type function)
- (xmlvalue-func :initform nil :type function)
- (fmtstr-text :initform nil :type string)
- (fmtstr-html :initform nil :type string)
- (fmtstr-xml :initform nil :type string)
- (fmtstr-text-labels :initform nil :type string)
- (fmtstr-html-labels :initform nil :type string)
- (fmtstr-xml-labels :initform nil :type string)
- (fmtstr-html-ref :initform nil :type string)
- (fmtstr-xml-ref :initform nil :type string)
- (fmtstr-html-ref-labels :initform nil :type string)
- (fmtstr-xml-ref-labels :initform nil :type string)
- )
- (: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))))
-
-(defclass hyperlink ()
- ((name :type symbol :initform nil :initarg :name :reader name)
- (lookup :type function :initform nil :initarg :lookup :reader lookup)
- (link-parameters :type list :initform nil :initarg :link-parameters
- :reader link-parameters)))
-
-(defmethod print-object ((obj hyperlink) (s stream))
- (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)
-
-(defmethod finalize-inheritance :after ((cl hyperobject-class))
- (init-hyperobject-class cl))
-
-;; Slot definitions
-(defmethod direct-slot-definition-class ((cl hyperobject-class)
- #+allegro &rest
- iargs)
- (find-class 'hyperobject-dsd))
-
-
-; 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)
- (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))
- )
-
- (defmacro process-slot-option (slot-name)
- #+lispworks
- `(defmethod clos:process-a-slot-option ((class hyperobject-class)
- (option (eql ,slot-name))
- value
- already-processed-other-options
- slot)
- (list option `',value))
- #-lispworks
- (declare (ignore slot-name))
- )
-
- (dolist (option *class-options*)
- (eval `(process-class-option ,option)))
- (dolist (option *slot-options*)
- (eval `(process-slot-option ,option)))
-
- (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*))))
- (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*)))))
- ) ;; eval-when
-
-(defun intern-in-keyword (obj)
- (cond
- ((null obj)
- nil)
- ((eq t obj)
- t)
- ((atom obj)
- (intern (symbol-name obj) (find-package 'keyword)))
- ((consp obj)
- (cons (intern-in-keyword (car obj) ) (intern-in-keyword (cdr obj))))
- (t
- obj)))
-
-(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)
- '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)
- (:fixnum
- 'integer)
- (:boolean
- 'boolean)
- (:integer
- 'integer)
- ((or :float :single-float)
- 'single-float)
- (:double-float
- 'double-float)
- (nil
- t)
- (otherwise
- ho-type)))
-
-
-;;;; 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)))))
-
-(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)))
-
-(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 (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 'print-slots)
- (format nil "~%Print-slots:~{ ~A~}" it) "")
- ))))
-
-(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
-;;;; *************************************************************************
-
-(defun find-slot-by-name (cl name)
- (find name (class-slots cl) :key #'slot-definition-name))
-
-(defun hyperobject-class-fmtstr-text (obj)
- (slot-value (class-of obj) 'fmtstr-text))
-
-(defun hyperobject-class-fmtstr-html (obj)
- (slot-value (class-of obj) 'fmtstr-html))
-
-(defun hyperobject-class-fmtstr-xml (obj)
- (slot-value (class-of obj) 'fmtstr-xml))
-
-(defun hyperobject-class-fmtstr-text-labels (obj)
- (slot-value (class-of obj) 'fmtstr-text-labels))
-
-(defun hyperobject-class-fmtstr-html-labels (obj)
- (slot-value (class-of obj) 'fmtstr-html-labels))
-
-(defun hyperobject-class-fmtstr-xml-labels (obj)
- (slot-value (class-of obj) 'fmtstr-xml-labels))
-
-(defun hyperobject-class-value-func (obj)
- (slot-value (class-of obj) 'value-func))
-
-(defun hyperobject-class-xmlvalue-func (obj)
- (slot-value (class-of obj) 'xmlvalue-func))
-
-(defun hyperobject-class-user-name (obj)
- (awhen (slot-value (class-of obj) 'user-name)
- (if (consp it)
- (car it)
- it)))
-
-(defun hyperobject-class-subobjects (obj)
- (slot-value (class-of obj) 'subobjects))
-
-(defun hyperobject-class-hyperlinks (obj)
- (slot-value (class-of obj) 'hyperlinks))
-
-(defun hyperobject-class-fields (obj)
- (class-slots (class-of obj)))
-
-(defun hyperobject-class-print-slots (obj)
- (slot-value (class-of obj) 'print-slots))
-
-(defun hyperobject-class-fmtstr-html-ref (obj)
- (slot-value (class-of obj) 'fmtstr-html-ref))
-
-(defun hyperobject-class-fmtstr-xml-ref (obj)
- (slot-value (class-of obj) 'fmtstr-xml-ref))
-
-(defun hyperobject-class-fmtstr-html-ref-labels (obj)
- (slot-value (class-of obj) 'fmtstr-html-ref-labels))
-
-(defun hyperobject-class-fmtstr-xml-ref-labels (obj)
- (slot-value (class-of obj) 'fmtstr-xml-ref-labels))
-
+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-\r
+;;;; *************************************************************************\r
+;;;; FILE IDENTIFICATION\r
+;;;;\r
+;;;; Name: mop.lisp\r
+;;;; Purpose: Metaobject Protocol Interface\r
+;;;; Programmer: Kevin M. Rosenberg\r
+;;;; Date Started: Apr 2000\r
+;;;;\r
+;;;; This metaclass as functions to classes to allow display\r
+;;;; in Text, HTML, and XML formats. This includes hyperlinking\r
+;;;; capability and sub-objects.\r
+;;;;\r
+;;;; $Id: mop.lisp,v 1.85 2003/07/29 20:49:05 kevin Exp $\r
+;;;;\r
+;;;; This file is Copyright (c) 2000-2003 by Kevin M. Rosenberg\r
+;;;; *************************************************************************\r
+ \r
+(in-package #:hyperobject)\r
+\r
+;; Main class\r
+\r
+(defclass hyperobject-class (standard-class)\r
+ ( ;; slots initialized in defclass\r
+ (user-name :initarg :user-name :type string :initform nil\r
+ :accessor user-name\r
+ :documentation "User name for class")\r
+ (user-name-plural :initarg :user-name-plural :type string :initform nil\r
+ :accessor user-name-plural\r
+ :documentation "Plural user name for class")\r
+ (default-print-slots :initarg :default-print-slots :type list :initform nil\r
+ :accessor default-print-slots\r
+ :documentation "Defaults slots for a view")\r
+ (description :initarg :description :initform nil\r
+ :accessor description\r
+ :documentation "Class description")\r
+ (version :initarg :version :initform nil\r
+ :accessor version\r
+ :documentation "Version number for class")\r
+ (closures :initarg :closures :initform nil\r
+ :accessor closures\r
+ :documentation "Closures to call on slot chnages")\r
+ (sql-name :initarg :sql-name :accessor sql-name :initform nil\r
+ :documentation "SQL Name for this class")\r
+ (guid :initarg :guid :accessor guid :initform nil\r
+ :documentation "ID string for this class")\r
+\r
+ ;;; The remainder of these fields are calculated one time\r
+ ;;; in finalize-inheritence.\r
+ \r
+ (subobjects :initform nil :accessor subobjects\r
+ :documentation\r
+ "List of fields that contain a list of subobjects objects.")\r
+ (hyperlinks :type list :initform nil :accessor hyperlinks\r
+ :documentation "List of fields that have hyperlinks")\r
+ (direct-rules :type list :initform nil :initarg :direct-rules\r
+ :accessor direct-rules\r
+ :documentation "List of rules to fire on slot changes.")\r
+ (direct-views :type list :initform nil :initarg :direct-views\r
+ :accessor direct-views\r
+ :documentation "List of views")\r
+ (class-id :type integer :initform nil\r
+ :accessor class-id\r
+ :documentation "Unique ID for the class")\r
+ (default-view :initform nil :initarg :default-view :accessor default-view\r
+ :documentation "The default view for a class")\r
+\r
+ ;; SQL commands\r
+ (create-table-cmd :initform nil :reader create-table-cmd)\r
+ (create-indices-cmds :initform nil :reader create-index-cmds)\r
+ (drop-table-cmd :initform nil :reader drop-table-cmd)\r
+\r
+ (views :type list :initform nil :initarg :views :accessor views\r
+ :documentation "List of views")\r
+ (rules :type list :initform nil :initarg :rules :accessor rules\r
+ :documentation "List of rules")\r
+ )\r
+ (:documentation "Metaclass for Markup Language classes."))\r
+\r
+(defclass subobject ()\r
+ ((name-class :type symbol :initarg :name-class :reader name-class)\r
+ (name-slot :type symbol :initarg :name-slot :reader name-slot)\r
+ (subobj-class :type symbol :initarg :subobj-class :reader subobj-class)\r
+ (lookup :type (or function symbol) :initarg :lookup :reader lookup)\r
+ (lookup-keys :type list :initarg :lookup-keys :reader lookup-keys))\r
+ (:documentation "subobject information")\r
+ (:default-initargs :name-class nil :name-slot nil :subobj-class nil\r
+ :lookup nil :lookup-keys nil))\r
+\r
+\r
+(defmethod print-object ((obj subobject) (s stream))\r
+ (print-unreadable-object (obj s :type t)\r
+ (format s "~S" (name-slot obj))))\r
+\r
+(defclass hyperlink ()\r
+ ((name :type symbol :initform nil :initarg :name :reader name)\r
+ (lookup\r
+ ;; The type specifier seems to break sbcl\r
+ :type (or function symbol)\r
+ ;; :type t\r
+ :initform nil :initarg :lookup :reader lookup)\r
+ (link-parameters :type list :initform nil :initarg :link-parameters\r
+ :reader link-parameters)))\r
+\r
+(defmethod print-object ((obj hyperlink) (s stream))\r
+ (print-unreadable-object (obj s :type t :identity t)\r
+ (format s "~S" (name obj))))\r
+\r
+(defmethod validate-superclass ((class hyperobject-class) (superclass standard-class))\r
+ t)\r
+\r
+(defmethod finalize-inheritance :after ((cl hyperobject-class))\r
+ ;; Work-around needed for OpenMCL\r
+ #+ignore\r
+ (unless (find-class (class-name cl))\r
+ (setf (find-class (class-name cl)) cl))\r
+ \r
+ (init-hyperobject-class cl)\r
+ )\r
+\r
+(eval-when (:compile-toplevel :load-toplevel :execute)\r
+ (when (>= (length (generic-function-lambda-list\r
+ (ensure-generic-function\r
+ 'compute-effective-slot-definition)))\r
+ 3)\r
+ (pushnew :ho-normal-cesd cl:*features*))\r
+ \r
+ (when (>= (length (generic-function-lambda-list\r
+ (ensure-generic-function\r
+ 'direct-slot-definition-class)))\r
+ 3)\r
+ (pushnew :ho-normal-dsdc cl:*features*))\r
+ \r
+ (when (>= (length (generic-function-lambda-list\r
+ (ensure-generic-function\r
+ 'effective-slot-definition-class)))\r
+ 3)\r
+ (pushnew :ho-normal-esdc cl:*features*)))\r
+\r
+;; Slot definitions\r
+(defmethod direct-slot-definition-class ((cl hyperobject-class)\r
+ #+ho-normal-dsdc &rest iargs)\r
+ (find-class 'hyperobject-dsd))\r
+\r
+(defmethod effective-slot-definition-class ((cl hyperobject-class) \r
+ #+ho-normal-esdc &rest iargs)\r
+ (find-class 'hyperobject-esd))\r
+\r
+\r
+;;; Slot definitions\r
+\r
+(eval-when (:compile-toplevel :load-toplevel :execute)\r
+ (defmacro process-class-option (slot-name &optional required)\r
+ #+lispworks\r
+ `(defmethod clos:process-a-class-option ((class hyperobject-class)\r
+ (name (eql ,slot-name))\r
+ value)\r
+ (when (and ,required (null value))\r
+ (error "hyperobject class slot ~A must have a value" name))\r
+ (list name `',value))\r
+ #+(or allegro sbcl cmu scl openmcl)\r
+ (declare (ignore slot-name required))\r
+ )\r
+\r
+ (defmacro process-slot-option (slot-name)\r
+ #+lispworks\r
+ `(defmethod clos:process-a-slot-option ((class hyperobject-class)\r
+ (option (eql ,slot-name))\r
+ value\r
+ already-processed-options\r
+ slot)\r
+ (list* option `',value already-processed-options))\r
+ #-lispworks\r
+ (declare (ignore slot-name))\r
+ )\r
+ \r
+ (dolist (option *class-options*)\r
+ (eval `(process-class-option ,option)))\r
+ (dolist (option *slot-options*)\r
+ (eval `(process-slot-option ,option)))\r
+\r
+ (eval\r
+ `(defclass hyperobject-dsd (standard-direct-slot-definition)\r
+ (,@(mapcar #'(lambda (x)\r
+ `(,(intern (symbol-name x))\r
+ :initform nil))\r
+ *slot-options-no-initarg*)\r
+ ,@(mapcar #'(lambda (x)\r
+ `(,(intern (symbol-name x))\r
+ :initarg\r
+ ,(intern (symbol-name x) (symbol-name :keyword))\r
+ :initform nil\r
+ :accessor\r
+ ,(intern (concatenate 'string\r
+ (symbol-name :dsd-)\r
+ (symbol-name x)))))\r
+ *slot-options*))))\r
+ (eval\r
+ `(defclass hyperobject-esd (standard-effective-slot-definition)\r
+ (,@(mapcar #'(lambda (x)\r
+ `(,(intern (symbol-name x))\r
+ :initarg\r
+ ,(intern (symbol-name x) (symbol-name :keyword))\r
+ :initform nil\r
+ :accessor\r
+ ,(intern (concatenate 'string\r
+ (symbol-name :esd-)\r
+ (symbol-name x)))))\r
+ (append *slot-options* *slot-options-no-initarg*)))))\r
+ ) ;; eval-when\r
+\r
+(defun intern-in-keyword (obj)\r
+ (cond\r
+ ((null obj)\r
+ nil)\r
+ ((eq t obj)\r
+ t)\r
+ ((atom obj)\r
+ (intern (symbol-name obj) (find-package 'keyword)))\r
+ ((consp obj)\r
+ (cons (intern-in-keyword (car obj) ) (intern-in-keyword (cdr obj))))\r
+ (t\r
+ obj)))\r
+\r
+(defun canonicalize-value-type (vt)\r
+ (typecase vt\r
+ (atom\r
+ (ensure-keyword vt))\r
+ (cons\r
+ (list (ensure-keyword (car vt)) (cadr vt)))\r
+ (t\r
+ t)))\r
+\r
+(defmethod compute-effective-slot-definition :around ((cl hyperobject-class)\r
+ #+ho-normal-cesd name\r
+ dsds)\r
+ (declare (ignore #+ho-normal-cesd name))\r
+ (let ((esd (call-next-method)))\r
+ (if (typep esd 'hyperobject-esd)\r
+ (compute-hyperobject-esd esd dsds)\r
+ esd)))\r
+\r
+(defun compute-hyperobject-esd (esd dsds)\r
+ (let* ((dsd (car dsds))\r
+ (value-type (canonicalize-value-type (slot-value dsd 'value-type))))\r
+ (multiple-value-bind (sql-type sql-length) \r
+ (value-type-to-sql-type value-type)\r
+ (setf (esd-sql-type esd) sql-type)\r
+ (setf (esd-sql-length esd) sql-length))\r
+ (setf (slot-value esd 'type) (value-type-to-lisp-type value-type))\r
+ (setf (esd-value-type esd) value-type)\r
+ (setf (esd-user-name esd)\r
+ (aif (dsd-user-name dsd)\r
+ it\r
+ (string-downcase (symbol-name (slot-definition-name dsd)))))\r
+ (setf (esd-sql-name esd)\r
+ (aif (dsd-sql-name dsd)\r
+ it\r
+ (lisp-name-to-sql-name (slot-definition-name dsd))))\r
+ (setf (esd-sql-name esd)\r
+ (aif (dsd-sql-name dsd)\r
+ it\r
+ (lisp-name-to-sql-name (slot-definition-name dsd))))\r
+ (dolist (name '(print-formatter subobject hyperlink hyperlink-parameters\r
+ description value-constraint indexed null-allowed\r
+ unique short-description void-text read-only-groups\r
+ hidden-groups unit disable-predicate view-type\r
+ list-of-values stored))\r
+ (setf (slot-value esd name) (slot-value dsd name)))\r
+ esd))\r
+\r
+(defun lisp-name-to-sql-name (lisp)\r
+ "Convert a lisp name (atom or list, string or symbol) into a canonical\r
+SQL name"\r
+ (unless (stringp lisp)\r
+ (setq lisp\r
+ (typecase lisp\r
+ (symbol (symbol-name lisp))\r
+ (t (write-to-string lisp)))))\r
+ (do* ((len (length lisp))\r
+ (sql (make-string len))\r
+ (i 0 (1+ i)))\r
+ ((= i len) (string-upcase sql))\r
+ (declare (fixnum i)\r
+ (simple-string sql))\r
+ (setf (schar sql i)\r
+ (let ((c (char lisp i)))\r
+ (case c\r
+ ((#\- #\$ #\+ #\#) #\_)\r
+ (otherwise c))))))\r
+\r
+#+ho-normal-cesd\r
+(setq cl:*features* (delete :ho-normal-cesd cl:*features*))\r
+#+ho-normal-dsdc\r
+(setq cl:*features* (delete :ho-normal-dsdc cl:*features*))\r
+#+ho-normal-esdc\r
+(setq cl:*features* (delete :ho-normal-esdc cl:*features*))\r
+\r
+(defun lisp-type-is-a-string (type)\r
+ (or (eq type 'string)\r
+ (and (listp type) (some #'(lambda (x) (eq x 'string)) type))))\r
+\r
+(defun base-value-type (value-type)\r
+ (if (atom value-type)\r
+ value-type\r
+ (car value-type)))\r
+\r
+(defun value-type-to-lisp-type (value-type)\r
+ (case (base-value-type value-type)\r
+ ((:string :cdata :varchar :char)\r
+ '(or null string))\r
+ (:character\r
+ '(or null character))\r
+ (:fixnum\r
+ '(or null fixnum))\r
+ (:boolean\r
+ '(or null boolean))\r
+ ((:integer :long-integer)\r
+ '(or null integer))\r
+ ((:float :single-float)\r
+ '(or null single-float))\r
+ (:double-float\r
+ '(or null double-float))\r
+ (otherwise\r
+ t)))\r
+\r
+(defun value-type-to-sql-type (value-type)\r
+ "Return two values, the sql type and field length."\r
+ (let ((type (base-value-type value-type))\r
+ (length (when (consp value-type)\r
+ (cadr value-type))))\r
+ (values\r
+ (case type\r
+ ((:char :character)\r
+ :char)\r
+ (:varchar\r
+ :varchar)\r
+ ((:fixnum :integer)\r
+ :integer)\r
+ (:long-integer\r
+ :long-integer)\r
+ (:boolean\r
+ :boolean)\r
+ ((:float :single-float)\r
+ :single-float)\r
+ (:double-float\r
+ :double-float)\r
+ (otherwise\r
+ :text))\r
+ length)))\r
+\r
+;;;; Class initialization function\r
+\r
+;; One entry for each class with lazy readers defined. The value is a plist mapping\r
+;; slot-name to a lazy reader, each of which is a list of a function and slot-names.\r
+(defvar *lazy-readers* (make-hash-table))\r
+\r
+(defmethod slot-unbound :around ((class hyperobject-class) instance slot-name)\r
+ (let ((lazy-reader (loop for super in (class-precedence-list class)\r
+ as lazy-reader = (getf (gethash super *lazy-readers*) slot-name)\r
+ when lazy-reader return it)))\r
+ (if lazy-reader\r
+ (setf (slot-value instance slot-name)\r
+ (if (atom lazy-reader)\r
+ (make-instance lazy-reader)\r
+ (apply (car lazy-reader)\r
+ (loop for arg-slot-name in (cdr lazy-reader)\r
+ collect (slot-value instance arg-slot-name)))))\r
+ ;; No lazy reader -- defer to regular slot-unbound handling.\r
+ (call-next-method))))\r
+\r
+;; The reader is a function and the reader-keys are slot names. The slot is lazily set to\r
+;; the result of applying the function to the slot-values of those slots, and that value\r
+;; is also returned.\r
+(defun ensure-lazy-reader (cl class-name slot-name subobj-class reader \r
+ &rest reader-keys)\r
+ (setf (getf (gethash cl *lazy-readers*) slot-name)\r
+ (aif subobj-class\r
+ it\r
+ (list* reader (copy-list reader-keys)))))\r
+\r
+(defun remove-lazy-reader (class-name slot-name)\r
+ (setf (getf (gethash (find-class class-name) *lazy-readers*) slot-name)\r
+ nil))\r
+\r
+\r
+(defun finalize-subobjects (cl)\r
+ "Process class subobjects slot"\r
+ (setf (subobjects cl)\r
+ (let ((subobjects '()))\r
+ (dolist (slot (class-slots cl))\r
+ (let-when\r
+ (subobj-def (esd-subobject slot))\r
+ (let ((subobject\r
+ (make-instance 'subobject\r
+ :name-class (class-name cl)\r
+ :name-slot (slot-definition-name slot)\r
+ :subobj-class (when (atom subobj-def)\r
+ subobj-def)\r
+ :lookup (when (listp subobj-def)\r
+ (car subobj-def))\r
+ :lookup-keys (when (listp subobj-def)\r
+ (cdr subobj-def)))))\r
+ (unless (eq (lookup subobject) t)\r
+ (apply #'ensure-lazy-reader\r
+ cl\r
+ (name-class subobject) (name-slot subobject)\r
+ (subobj-class subobject)\r
+ (lookup subobject) (lookup-keys subobject))\r
+ (push subobject subobjects)))))\r
+ ;; sbcl/cmu reverse class-slots compared to the defclass form\r
+ ;; so re-reverse on cmu/sbcl\r
+ #+(or cmu sbcl) subobjects\r
+ #-(or cmu sbcl) (nreverse subobjects)\r
+ )))\r
+\r
+(defun finalize-class-slots (cl)\r
+ "Make sure all class slots have an expected value"\r
+ (unless (user-name cl)\r
+ (setf (user-name cl) (format nil "~:(~A~)" (class-name cl))))\r
+ \r
+ (setf (user-name-plural cl)\r
+ (if (and (consp (user-name cl)) (cadr (user-name cl)))\r
+ (cadr (user-name cl))\r
+ (format nil "~A~P" (if (consp (user-name cl))\r
+ (car (user-name cl))\r
+ (user-name cl))\r
+ 2)))\r
+\r
+ (dolist (name '(user-name description version guid sql-name))\r
+ (awhen (slot-value cl name)\r
+ (setf (slot-value cl name)\r
+ (if (listp it)\r
+ (car it)\r
+ it))))\r
+ \r
+ (unless (sql-name cl)\r
+ (setf (sql-name cl) (lisp-name-to-sql-name (class-name cl))))\r
+ )\r
+\r
+(defun finalize-documentation (cl)\r
+ "Calculate class documentation slot"\r
+ (let ((*print-circle* nil))\r
+ (setf (documentation (class-name cl) 'class)\r
+ (format nil "Hyperobject~A~A~A~A"\r
+ (aif (user-name cl)\r
+ (format nil ": ~A" it ""))\r
+ (aif (description cl)\r
+ (format nil "~%Class description: ~A" it) "")\r
+ (aif (subobjects cl)\r
+ (format nil "~%Subobjects:~{ ~A~}" (mapcar #'name-slot it)) "")\r
+ (aif (default-print-slots cl)\r
+ (format nil "~%Default print slots:~{ ~A~}" it) "")\r
+ ))))\r
+\r
+(defun finalize-hyperlinks (cl)\r
+ (let ((hyperlinks '()))\r
+ (dolist (esd (class-slots cl))\r
+ (awhen (slot-value esd 'hyperlink)\r
+ (push\r
+ (make-instance 'hyperlink\r
+ :name (slot-definition-name esd)\r
+ :lookup it\r
+ :link-parameters (slot-value esd 'hyperlink-parameters))\r
+ hyperlinks)))\r
+ ;; cmu/sbcl reverse class-slots compared to the defclass form\r
+ ;; hyperlinks is already reversed from the dolist/push loop, so re-reverse on sbcl/cmu\r
+ #-(or cmu sbcl) (setq hyperlinks (nreverse hyperlinks))\r
+ (setf (slot-value cl 'hyperlinks) hyperlinks)))\r
+\r
+(defun init-hyperobject-class (cl)\r
+ "Initialize a hyperobject class. Calculates all class slots"\r
+ (finalize-subobjects cl)\r
+ (finalize-views cl)\r
+ (finalize-hyperlinks cl)\r
+ (finalize-sql cl)\r
+ (finalize-rules cl)\r
+ (finalize-class-slots cl)\r
+ (finalize-documentation cl))\r
+\r
+\r
+;;;; *************************************************************************\r
+;;;; Metaclass Slot Accessors\r
+;;;; *************************************************************************\r
+\r
+(defun find-slot-by-name (cl name)\r
+ (find name (class-slots cl) :key #'slot-definition-name))\r
+\r
+(defun hyperobject-class-user-name (obj)\r
+ (user-name (class-of obj)))\r
+\r
+(defun hyperobject-class-user-name-plural (obj)\r
+ (user-name-plural (class-of obj)))\r
+\r
+(defun hyperobject-class-subobjects (obj)\r
+ (subobjects (class-of obj)))\r
+\r
+(defun hyperobject-class-hyperlinks (obj)\r
+ (hyperlinks (class-of obj)))\r
+\r
+(defun hyperobject-class-slots (obj)\r
+ ;; cmucl/sbcl reverse class-slots\r
+ #+(or cmu sbcl) (reverse (class-slots (class-of obj)))\r
+ #-(or cmu sbcl) (class-slots (class-of obj)))\r
+\r
+(defun all-subobjects (obj)\r
+ "Returns a list of all subobjects in an object"\r
+ (let ((so-list '()))\r
+ (dolist (subobj-obj (subobjects (class-of obj)) (nreverse so-list))\r
+ (dolist (so (funcall (name-slot subobj-obj) obj))\r
+ (push so so-list)))))\r
projects / hyperobject.git / blobdiff