;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: hyperobject.lisp,v 1.14 2002/11/25 04:47:23 kevin Exp $
+;;;; $Id: hyperobject.lisp,v 1.15 2002/11/25 04:49:22 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
;;;;
:hyperobject))
-;; Slot definitions
-
-
-(defclass hyperobject-dsd (standard-direct-slot-definition)
- ((ho-type :initarg :ho-type :initform nil)
- (print-formatter :initarg :print-formatter :initform nil)
- (subobject :initarg :subobject :initform nil)
- (reference :initarg :reference :initform nil)
- (description :initarg :description :initform nil)
- ))
-
-(defclass hyperobject-esd (standard-effective-slot-definition)
- ((ho-type :initarg :ho-type :initform nil :accessor esd-ho-type)
- (print-formatter :initarg :print-formatter :initform nil :accessor esd-print-formatter)
- (subobject :initarg :subobject :initform nil :accessor esd-subobject)
- (reference :initarg :reference :initform nil :accessor esd-reference)
- (description :initarg :description :initform nil :accessor esd-description)
- ))
-
;; Main class
(defclass hyperobject-class (standard-class)
`(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))
- (if (null (cdr value))
- (list name (car value))
- (list name `',value)))
+ (when (and ,required (null value))
+ (error "hyperobject class slot ~A must have a value" name))
+ (if (null (cdr value))
+ `(name ,(car value))
+ `(name (quote value))))
#+(or allegro sbcl cmu scl)
(declare (ignore slot-name required))
)
value
already-processed-other-options
slot)
- (if (null (cdr value))
- (list option (car value))
- (list option `',value)))
+ (list option value))
#-lispworks
(declare (ignore slot-name))
)
(define-class-option :print-slots)
(define-class-option :description)
-(define-slot-option :ho-type)
(define-slot-option :print-formatter)
(define-slot-option :subobject)
(define-slot-option :reference)
(define-slot-option :description)
+;; Slot definitions
+
+(defclass hyperobject-dsd (standard-direct-slot-definition)
+ ((ho-type :initarg :ho-type)
+ (print-formatter :initarg :print-formatter)
+ (subobject :initarg :subobject :initarg nil)
+ (reference :initarg :reference :initarg nil)
+ (description :initarg :description :initarg nil)
+ ))
+
+(defclass hyperobject-esd (standard-effective-slot-definition)
+ ((ho-type :initarg :ho-type :accessor esd-ho-type)
+ (print-formatter :initarg :print-formatter :accessor esd-print-formatter)
+ (subobject :initarg :subobject :accessor esd-subobject)
+ (reference :initarg :reference :accessor esd-reference)
+ (description :initarg :description :accessor esd-description)
+ ))
+
(defmethod compute-effective-slot-definition :around
(defun hyperobject-class-fmtstr-xml-ref-labels (obj)
(slot-value (class-of obj) 'fmtstr-xml-ref-labels))
-;;;; Generic Print functions
-
-(defparameter *default-textformat* nil)
-(defparameter *default-htmlformat* nil)
-(defparameter *default-htmlrefformat* nil)
-(defparameter *default-xhtmlformat* nil)
-(defparameter *default-xhtmlrefformat* nil)
-(defparameter *default-xmlformat* nil)
-(defparameter *default-xmlrefformat* nil)
-(defparameter *default-ie-xmlrefformat* nil)
-(defparameter *default-nullformat* nil)
-(defparameter *default-init-format?* nil)
-
-(defun make-format-instance (fmt)
- (unless *default-init-format?*
- (setq *default-textformat* (make-instance 'textformat))
- (setq *default-htmlformat* (make-instance 'htmlformat))
- (setq *default-htmlrefformat* (make-instance 'htmlrefformat))
- (setq *default-xhtmlformat* (make-instance 'xhtmlformat))
- (setq *default-xhtmlrefformat* (make-instance 'xhtmlrefformat))
- (setq *default-xmlformat* (make-instance 'xmlformat))
- (setq *default-xmlrefformat* (make-instance 'xmlrefformat))
- (setq *default-ie-xmlrefformat* (make-instance 'ie-xmlrefformat))
- (setq *default-nullformat* (make-instance 'nullformat))
- (setq *default-init-format?* t))
-
- (case fmt
- (:text *default-textformat*)
- (:html *default-htmlformat*)
- (:htmlref *default-htmlrefformat*)
- (:xhtml *default-xhtmlformat*)
- (:xhtmlref *default-xhtmlrefformat*)
- (:xml *default-xmlformat*)
- (:xmlref *default-xmlrefformat*)
- (:ie-xmlref *default-ie-xmlrefformat*)
- (:null *default-nullformat*)
- (otherwise *default-textformat*)))
-
-;;;; Output format classes for print hyperobject-classes
-
-(defclass dataformat ()
- ((file-start-str :type string :initarg :file-start-str :reader file-start-str)
- (file-end-str :type string :initarg :file-end-str :reader file-end-str)
- (list-start-fmtstr :type string :initarg :list-start-fmtstr :reader list-start-fmtstr)
- (list-start-value-func :type function :initarg :list-start-value-func :reader list-start-value-func)
- (list-start-indent :initarg :list-start-indent :reader list-start-indent)
- (list-end-fmtstr :type string :initarg :list-end-fmtstr :reader list-end-fmtstr)
- (list-end-value-func :type function :initarg :list-end-value-func :reader list-end-value-func)
- (list-end-indent :initarg :list-end-indent :reader list-end-indent)
- (obj-start-fmtstr :type string :initarg :obj-start-fmtstr :reader obj-start-fmtstr)
- (obj-start-value-func :initarg :obj-start-value-func :reader obj-start-value-func)
- (obj-start-indent :initarg :obj-start-indent :reader obj-start-indent)
- (obj-end-fmtstr :type string :initarg :obj-end-fmtstr :reader obj-end-fmtstr)
- (obj-end-value-func :initarg :obj-end-value-func :reader obj-end-value-func)
- (obj-end-indent :initarg :obj-end-indent :reader obj-end-indent)
- (obj-data-indent :initarg :obj-data-indent :reader obj-data-indent)
- (obj-data-fmtstr :initarg :obj-data-fmtstr :reader obj-data-fmtstr)
- (obj-data-fmtstr-labels :initarg :obj-data-fmtstr-labels :reader obj-data-fmtstr-labels)
- (obj-data-end-fmtstr :initarg :obj-data-end-fmtstr :reader obj-data-end-fmtstr)
- (obj-data-value-func :initarg :obj-data-value-func :reader obj-data-value-func)
- (link-ref :initarg :link-ref :reader link-ref))
- (:default-initargs :file-start-str nil :file-end-str nil :list-start-fmtstr nil :list-start-value-func nil
- :list-start-indent nil :list-end-fmtstr nil :list-end-value-func nil :list-end-indent nil
- :obj-start-fmtstr nil :obj-start-value-func nil :obj-start-indent nil
- :obj-end-fmtstr nil :obj-end-value-func nil :obj-end-indent nil
- :obj-data-indent nil :obj-data-fmtstr nil :obj-data-fmtstr-labels nil :obj-data-end-fmtstr nil
- :obj-data-value-func nil :link-ref nil)
- (:documentation "Parent for all dataformat objects"))
-
-(defclass binaryformat (dataformat)
- ())
-
-(defclass nullformat (dataformat)
- ())
-
-(defun text-list-start-value-func (obj nitems)
- (values (hyperobject-class-title obj) nitems))
-
-(defclass textformat (dataformat)
- ()
- (:default-initargs :list-start-fmtstr "~a~P:~%"
- :list-start-value-func #'text-list-start-value-func
- :list-start-indent t
- :obj-data-indent t
- :obj-data-fmtstr #'hyperobject-class-fmtstr-text
- :obj-data-fmtstr-labels #'hyperobject-class-fmtstr-text-labels
- :obj-data-end-fmtstr "~%"
- :obj-data-value-func #'hyperobject-class-value-func))
-
-
-(defun class-name-of (obj)
- (string-downcase (class-name (class-of obj))))
-
-(defun htmlformat-list-start-value-func (x nitems)
- (values (hyperobject-class-title x) nitems (class-name-of x)))
-
-(defclass htmlformat (textformat)
- ()
- (:default-initargs :file-start-str "<html><body>~%"
- :file-end-str "</body><html>~%"
- :list-start-indent t
- :list-start-fmtstr "<p><b>~a~p:</b></p><div class=\"~A\"><ul>~%"
- :list-start-value-func #'htmlformat-list-start-value-func
- :list-end-fmtstr "</ul></div>~%"
- :list-end-indent t
- :list-end-value-func #'identity
- :obj-start-indent t
- :obj-start-fmtstr "<li>"
- :obj-start-value-func #'identity
- :obj-end-indent t
- :obj-end-fmtstr "</li>~%"
- :obj-end-value-func #'identity
- :obj-data-indent t
- :obj-data-fmtstr #'hyperobject-class-fmtstr-html-labels
- :obj-data-fmtstr-labels #'hyperobject-class-fmtstr-html-labels
- :obj-data-value-func #'hyperobject-class-value-func))
-
-(defclass xhtmlformat (textformat)
- ()
- (:default-initargs :file-start-str "<html><body>~%"
- :file-end-str "</body><html>~%"
- :list-start-indent t
- :list-start-fmtstr "<p><b>~a~p:</b></p><div class=\"~A\"><ul>~%"
- :list-start-value-func #'htmlformat-list-start-value-func
- :list-end-fmtstr "</ul></div>~%"
- :list-end-indent t
- :list-end-value-func #'identity
- :obj-start-indent t
- :obj-start-fmtstr "<li>"
- :obj-start-value-func #'identity
- :obj-end-indent t
- :obj-end-fmtstr "</li>~%"
- :obj-end-value-func #'identity
- :obj-data-indent t
- :obj-data-fmtstr #'hyperobject-class-fmtstr-html-labels
- :obj-data-fmtstr-labels #'hyperobject-class-fmtstr-html-labels
- :obj-data-value-func #'hyperobject-class-xmlvalue-func))
-
-
-(defun xmlformat-list-end-value-func (x)
- (format nil "~alist" (class-name-of x)))
-
-(defun xmlformat-list-start-value-func (x nitems)
- (values (format nil "~alist" (class-name-of x)) (hyperobject-class-title x) nitems))
-
-(defclass xmlformat (textformat)
- ()
- (:default-initargs :file-start-str "" ; (std-xml-header)
- :list-start-indent t
- :list-start-fmtstr "<~a><title>~a~p:</title> ~%"
- :list-start-value-func #'xmlformat-list-start-value-func
- :list-end-indent t
- :list-end-fmtstr "</~a>~%"
- :list-end-value-func #'xmlformat-list-end-value-func
- :obj-start-fmtstr "<~a>"
- :obj-start-value-func #'class-name-of
- :obj-start-indent t
- :obj-end-fmtstr "</~a>~%"
- :obj-end-value-func #'class-name-of
- :obj-end-indent nil
- :obj-data-indent nil
- :obj-data-fmtstr #'hyperobject-class-fmtstr-xml
- :obj-data-fmtstr-labels #'hyperobject-class-fmtstr-xml-labels
- :obj-data-value-func #'hyperobject-class-xmlvalue-func))
-
-(defclass link-ref ()
- ((fmtstr :type function :initarg :fmtstr :accessor fmtstr)
- (fmtstr-labels :type function :initarg :fmtstr-labels :accessor fmtstr-labels)
- (page-name :type string :initarg :page-name :accessor page-name)
- (href-head :type string :initarg :href-head :accessor href-head)
- (href-end :type string :initarg :href-end :accessor href-end)
- (ampersand :type string :initarg :ampersand :accessor ampersand))
- (:default-initargs :fmtstr nil
- :fmtstr-labels nil
- :page-name "disp-func1"
- :href-head nil :href-end nil :ampersand nil)
- (:documentation "Formatting for a linked reference"))
-
-(defclass html-link-ref (link-ref)
- ()
- (:default-initargs :fmtstr #'hyperobject-class-fmtstr-html-ref
- :fmtstr-labels #'hyperobject-class-fmtstr-html-ref-labels
- :href-head "a href="
- :href-end "a"
- :ampersand "&"))
-
-(defclass xhtml-link-ref (link-ref)
- ()
- (:default-initargs :fmtstr #'hyperobject-class-fmtstr-html-ref
- :fmtstr-labels #'hyperobject-class-fmtstr-html-ref-labels
- :href-head "a href="
- :href-end "a"
- :ampersand "&"))
-
-(defclass xml-link-ref (link-ref)
- ()
- (:default-initargs :fmtstr #'hyperobject-class-fmtstr-xml-ref
- :fmtstr-labels #'hyperobject-class-fmtstr-xml-ref-labels
- :href-head "xmllink xlink:type=\"simple\" xlink:href="
- :href-end "xmllink"
- :ampersand "&")
- (:documentation "Mozilla's and W3's idea of a link with XML"))
-
-(defclass ie-xml-link-ref (xml-link-ref)
- ()
- (:default-initargs :href-head "html:a href="
- :href-end "html:a" )
- (:documentation "Internet Explorer's idea of a link with XML"))
-
-
-(defclass htmlrefformat (htmlformat)
- ()
- (:default-initargs :link-ref (make-instance 'html-link-ref)))
-
-(defclass xhtmlrefformat (xhtmlformat)
- ()
- (:default-initargs :link-ref (make-instance 'xhtml-link-ref)))
-
-(defclass xmlrefformat (xmlformat)
- ()
- (:default-initargs :link-ref (make-instance 'xml-link-ref)))
-
-(defclass ie-xmlrefformat (xmlformat)
- ()
- (:default-initargs :link-ref (make-instance 'ie-xml-link-ref)))
-
-
-;;; File Start and Ends
-
-(defgeneric fmt-file-start (fmt s))
-(defmethod fmt-file-start ((fmt dataformat) (s stream)))
-
-(defmethod fmt-file-start ((fmt textformat) (s stream))
- (aif (file-start-str fmt)
- (format s it)))
-
-(defgeneric fmt-file-end (fmt s))
-(defmethod fmt-file-end ((fmt textformat) (s stream))
- (aif (file-end-str fmt)
- (format s it)))
-
-;;; List Start and Ends
-
-(defgeneric fmt-list-start (obj fmt s &optional indent num-items))
-(defmethod fmt-list-start (x (fmt textformat) (s stream) &optional (indent 0) (num-items 1))
- (if (list-start-indent fmt)
- (indent-spaces indent s))
- (aif (list-start-fmtstr fmt)
- (apply #'format s it
- (multiple-value-list
- (funcall (list-start-value-func fmt) x num-items)))))
-
-(defgeneric fmt-list-end (obj fmt s &optional indent num-items))
-(defmethod fmt-list-end (x (fmt textformat) (s stream) &optional (indent 0) (num-items 1))
- (declare (ignore num-items))
- (if (list-end-indent fmt)
- (indent-spaces indent s))
- (aif (list-end-fmtstr fmt)
- (apply #'format s it
- (multiple-value-list
- (funcall (list-end-value-func fmt) x)))))
-
-;;; Object Start and Ends
-
-(defgeneric fmt-obj-start (obj fmt s &optional indent))
-(defmethod fmt-obj-start (x (fmt textformat) (s stream) &optional (indent 0))
- (if (obj-start-indent fmt)
- (indent-spaces indent s))
- (aif (obj-start-fmtstr fmt)
- (apply #'format s it
- (multiple-value-list
- (funcall (obj-start-value-func fmt) x)))))
-
-(defgeneric fmt-obj-end (obj fmt s &optional indent))
-(defmethod fmt-obj-end (x (fmt textformat) (s stream) &optional (indent 0))
- (if (obj-end-indent fmt)
- (indent-spaces indent s))
- (aif (obj-end-fmtstr fmt)
- (apply #'format s it
- (multiple-value-list
- (funcall (obj-end-value-func fmt) x)))))
-
-;;; Object Data
-
-(defgeneric make-link-start (obj ref fieldname fieldfunc fieldvalue refvars))
-(defmethod make-link-start (obj (ref link-ref) fieldname fieldfunc fieldvalue refvars)
- (declare (ignore obj fieldname))
- (format nil "~a\"~a?func=~a~akey=~a~a\""
- (href-head ref) (make-url (page-name ref)) fieldfunc
- (ampersand ref) fieldvalue
- (if refvars
- (let ((varstr ""))
- (dolist (var refvars)
- (string-append varstr (format nil "~a~a=~a"
- (ampersand ref) (car var) (cadr var))))
- varstr)
- "")))
-
-(defgeneric make-link-end (obj ref fieldname))
-(defmethod make-link-end (obj (ref link-ref) fieldname)
- (declare (ignore obj fieldname))
- (format nil "~a" (href-end ref))
- )
-
-(defgeneric fmt-obj-data (obj fmt s &optional indent label refvars))
-(defmethod fmt-obj-data (x (fmt textformat) s
- &optional (indent 0) (label nil) (refvars nil))
- (if (obj-data-indent fmt)
- (indent-spaces indent s))
- (if (link-ref fmt)
- (fmt-obj-data-with-ref x fmt s label refvars)
- (fmt-obj-data-plain x fmt s label))
- (aif (obj-data-end-fmtstr fmt)
- (format s it)))
-
-(defgeneric fmt-obj-data-plain (obj fmt s label))
-(defmethod fmt-obj-data-plain (x (fmt textformat) s label)
- (if label
- (apply #'format s
- (funcall (obj-data-fmtstr-labels fmt) x)
- (multiple-value-list
- (funcall (funcall (obj-data-value-func fmt) x) x)))
- (apply #'format s (funcall (obj-data-fmtstr fmt) x)
- (multiple-value-list
- (funcall (funcall (obj-data-value-func fmt) x) x)))))
-
-(defgeneric fmt-obj-data-with-ref (obj fmt s label refvars))
-(defmethod fmt-obj-data-with-ref (x (fmt textformat) s label refvars)
- (let ((refstr (make-ref-data-str x fmt label))
- (refvalues nil)
- (field-values
- (multiple-value-list
- (funcall (funcall (obj-data-value-func fmt) x) x))))
-
- ;; make list of reference link fields for printing to refstr template
- (dolist (ref (hyperobject-class-references x))
- (let ((link-start
- (make-link-start x (link-ref fmt) (name ref) (lookup ref)
- (nth (position (name ref)
- (hyperobject-class-fields x)
- :key #'(lambda (x)
- (slot-definition-name x)))
- field-values)
- (append (link-parameters ref) refvars)))
- (link-end (make-link-end x (link-ref fmt) (name ref))))
- (push link-start refvalues)
- (push link-end refvalues)))
- (setq refvalues (nreverse refvalues))
-
- (apply #'format s refstr refvalues)))
-
-(defgeneric obj-data (obj))
-(defmethod obj-data (x)
- "Returns the objects data as a string. Used by common-graphics outline function"
- (let ((fmt (make-format-instance :text)))
- (apply #'format nil (funcall (obj-data-fmtstr fmt) x)
- (multiple-value-list
- (funcall (funcall (obj-data-value-func fmt) x) x)))))
-
-(defgeneric make-ref-data-str (obj fmt &optional label))
-(defmethod make-ref-data-str (x (fmt textformat) &optional (label nil))
- "Return fmt string for that contains ~a slots for reference link start and end"
- (unless (link-ref fmt)
- (error "fmt does not contain a link-ref"))
- (let ((refstr
- (if label
- (apply #'format nil (funcall (fmtstr-labels (link-ref fmt)) x)
- (multiple-value-list
- (funcall (funcall (obj-data-value-func fmt) x) x)))
- (apply #'format nil (funcall (fmtstr (link-ref fmt)) x)
- (multiple-value-list (funcall (funcall (obj-data-value-func fmt) x) x))))))
- refstr))
-
-;;; Display method for objects
-
-
-(defgeneric load-all-subobjects (objs))
-(defmethod load-all-subobjects (objs)
- "Load all subobjects if they have not already been loaded."
- (when objs
- (let ((objlist (mklist objs)))
- (dolist (obj objlist)
- (awhen (hyperobject-class-subobjects obj) ;; access list of functions
- (dolist (child-obj it) ;; for each child function
- (awhen (funcall (reader child-obj) obj)
- (load-all-subobjects it))))))
- objs))
-
-(defgeneric print-hyperobject-class (objs fmt strm
- &optional label english-only-function
- indent subobjects refvars))
-
-(defmethod print-hyperobject-class (objs (fmt dataformat) (strm stream)
- &optional (label nil) (indent 0)
- (english-only-function nil)
- (subobjects nil) (refvars nil))
-"Display a single or list of hyperobject-class instances and their subobjects"
- (when objs
- (setq objs (mklist objs))
- (let ((nobjs (length objs)))
- (fmt-list-start (car objs) fmt strm indent nobjs)
- (dolist (obj objs)
- (unless (and english-only-function
- (multiple-value-bind (eng term) (funcall english-only-function obj)
- (and term (not eng))))
- (fmt-obj-start obj fmt strm indent)
- (fmt-obj-data obj fmt strm (1+ indent) label refvars)
- (if subobjects
- (awhen (hyperobject-class-subobjects obj) ;; access list of functions
- (dolist (child-obj it) ;; for each child function
- (awhen (funcall (reader child-obj) obj) ;; access set of child objects
- (print-hyperobject-class it fmt strm label
- (1+ indent) english-only-function
- subobjects refvars)))))
- (fmt-obj-end obj fmt strm indent)))
- (fmt-list-end (car objs) fmt strm indent nobjs))
- t))
-
-
-
-(defun print-hyperobject (objs &key (os *standard-output*) (format :text)
- (label nil) (english-only-function nil)
- (subobjects nil) (file-wrapper t) (refvars nil))
- "EXPORTED Function: prints hyperobject-class objects. Simplies call to print-hyperobject-class"
- (let ((fmt (make-format-instance format)))
- (if file-wrapper
- (fmt-file-start fmt os))
- (when objs
- (print-hyperobject-class objs fmt os label 0 english-only-function subobjects refvars))
- (if file-wrapper
- (fmt-file-end fmt os)))
- objs)
-
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