X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=mop.lisp;h=0002d566f2f016374a6c3175232660bb9570e7b5;hb=224c382d0d7fa09a5c86bfb1a8479ac380a094c6;hp=45e704aee09c17929079473bf4d0d99c7e7e2a62;hpb=3a961428b36d0ffa96ad06609c8da75ae1c39a2a;p=hyperobject.git diff --git a/mop.lisp b/mop.lisp index 45e704a..0002d56 100644 --- a/mop.lisp +++ b/mop.lisp @@ -11,7 +11,7 @@ ;;;; in Text, HTML, and XML formats. This includes hyperlinking ;;;; capability and sub-objects. ;;;; -;;;; $Id: mop.lisp,v 1.7 2002/12/06 16:18:49 kevin Exp $ +;;;; $Id: mop.lisp,v 1.27 2003/03/29 20:11:09 kevin Exp $ ;;;; ;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg ;;;; @@ -26,48 +26,57 @@ (defclass hyperobject-class (standard-class) ( ;; slots initialized in defclass - (title :initarg :title :type string :initform nil - :documentation "Print Title for class") - (print-slots :initarg :print-slots :type list :initform nil - :documentation "List of slots to print") + (user-name :initarg :user-name :type string :initform nil + :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 :reader sql-name) + :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) (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) + (views :type list :initform nil :initarg :views :accessor views + :documentation "List of views") + (rules :type list :initform nil :initarg :rules :accessor rules + :documentation "List of rules") ) (:documentation "Metaclass for Markup Language classes.")) (defclass subobject () - ((name :type symbol :initform nil :initarg :name :reader name) - (reader :type function :initform nil :initarg :reader :reader reader))) + ((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) @@ -88,7 +97,8 @@ t) (defmethod finalize-inheritance :after ((cl hyperobject-class)) - (init-hyperobject-class cl)) + (init-hyperobject-class cl) + ) ;; Slot definitions (defmethod direct-slot-definition-class ((cl hyperobject-class) @@ -139,7 +149,11 @@ `(,(intern (symbol-name x)) :initarg ,(intern (symbol-name x) (symbol-name :keyword)) - :initform nil)) + :initform nil + :accessor + ,(intern (concatenate 'string + (symbol-name :dsd-) + (symbol-name x))))) *slot-options*)))) (eval `(defclass hyperobject-esd (standard-effective-slot-definition) @@ -147,93 +161,182 @@ `(,(intern (symbol-name x)) :initarg ,(intern (symbol-name x) (symbol-name :keyword)) - :initform nil)) - (append *slot-options* *slot-options-no-initarg*))))) + :initform nil + :accessor + ,(intern (concatenate 'string + (symbol-name :esd-) + (symbol-name x))))) + (append *slot-options* *slot-options-no-initarg*))))) ) ;; eval-when - -(defmethod compute-effective-slot-definition :around - ((cl hyperobject-class) #+(or allegro lispworks) name dsds) + +(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))) + +(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 (slot-value dsd 'type)) - (sql-type (ho-type-to-sql-type 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 - :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) - ia)))) - -(defun ho-type-to-lisp-type (ho-type) - (check-type ho-type symbol) - (case (intern (symbol-name ho-type) (symbol-name :keyword)) - (: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))))) + +(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) (:fixnum 'fixnum) (:boolean 'boolean) (:integer 'integer) - (:cdata - 'string) - (:float - 'float) - (:nil - t) + ((:float :single-float) + 'single-float) + (:double-float + 'double-float) (otherwise - ho-type))) - -(defun ho-type-to-sql-type (ho-type) - (check-type ho-type symbol) - (case (intern (symbol-name ho-type) (symbol-name :keyword)) - (:string - 'string) - (:fixnum - 'integer) - (:boolean - 'boolean) - (:integer - 'integer) - (:cdata - 'string) - (:float - '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 +;; 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))))) + +#+(or sbcl scl cmu) +(defun ensure-lazy-reader (class 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)) + `(lambda (the-class the-instance the-slot-name) + (declare (ignore the-class)) + (setf (slot-value the-instance the-slot-name) (,reader ,@keys)))) + (print init-args-values) + (add-method gf + (make-instance (generic-function-method-class gf) + ':specializers (list t class (intern-eql-specializer slot-name)) + ':lambda-list '(the-class the-instance the-slot-name) + ':function `(function ,method-lambda) + ;;init-args-values + ))))) + (defun finalize-subobjects (cl) "Process class subobjects slot" - (setf (slot-value cl 'subobjects) + (setf (subobjects cl) (let ((subobjects '())) (dolist (slot (class-slots cl)) - (when (slot-value slot 'subobject) - (push (make-instance 'subobject :name (slot-definition-name slot) - :reader (if (eq t (slot-value slot 'subobject)) - (slot-definition-name slot) - (slot-value slot 'subobject))) - subobjects))) + (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 scl) + (eval + `(hyperobject::def-lazy-reader ,(name-class subobject) + ,(name-slot subobject) ,(lookup subobject) + ,@(lookup-keys subobject))) + #+(or sbcl cmu scl) + (apply #'ensure-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 'title) - (setf (slot-value cl 'title) - (etypecase (slot-value cl 'title) + (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) @@ -245,22 +348,35 @@ (let ((*print-circle* nil)) (setf (documentation (class-name cl) 'class) (format nil "Hyperobject~A~A~A~A" - (aif (slot-value cl 'title) + (aif (user-name cl) (format nil ": ~A" it "")) - (aif (slot-value cl 'description) + (aif (description cl) (format nil "~%Class description: ~A" it) "") - (aif (slot-value cl 'subobjects) - (format nil "~%Subobjects:~{ ~A~}" (mapcar #'name it)) "") - (aif (slot-value cl 'print-slots) - (format nil "~%Print-slots:~{ ~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))) + (setf (slot-value cl 'hyperlinks) 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-rules cl) (finalize-documentation cl)) @@ -271,59 +387,18 @@ (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)) - -(eval-when (:compile-toplevel :load-toplevel :execute) - - (defun hyperobject-class-title (obj) - (awhen (slot-value (class-of obj) 'title) - (if (consp it) - (car it) - it)))) +(defun hyperobject-class-user-name (obj) + (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-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)) -