;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
-;;;; Name: views.lisp
-;;;; Purpose: View methods for Hyperobjects
-;;;; Programmer: Kevin M. Rosenberg
-;;;; Date Started: Apr 2000
+;;;; Name: views.lisp
+;;;; Purpose: View methods for Hyperobjects
+;;;; Author: Kevin M. Rosenberg
+;;;; Created: Apr 2000
;;;;
-;;;; $Id: views.lisp,v 1.6 2002/12/03 00:12:55 kevin Exp $
-;;;;
-;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
+;;;; $Id$
;;;;
+;;;; This file is Copyright (c) 2000-2004 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)
+
+
+(defclass object-view ()
+ ((object-class :initform nil :initarg :object-class
+ :accessor object-class
+ :documentation "Class of object to be viewed.")
+ (slots :initform nil :initarg :slots :accessor slots
+ :documentation "List of effective slots for object to be viewed.")
+ (id :initform nil :initarg :id :accessor id
+ :documentation "id for this view.")
+ (source-code :initform nil :initarg :source-code :accessor source-code
+ :documentation "Source code for generating view.")
+ (country-language :initform :en :initarg :country-language
+ :documentation "Country's Language for this view.")
+ (printer :initform nil :initarg :printer :accessor printer
+ :documentation "default function that prints the object")
+ ;;
+ (file-start-str :type (or string null) :initform nil :initarg :file-start-str
+ :accessor file-start-str)
+ (file-end-str :type (or string null) :initform nil :initarg :file-end-str
+ :accessor file-end-str)
+ (list-start-printer :type (or string function null) :initform nil
+ :initarg :list-start-printer
+ :accessor list-start-printer)
+ (list-start-indent :initform nil :initarg :list-start-indent
+ :accessor list-start-indent)
+ (list-end-printer :type (or string function null) :initform nil
+ :initarg :list-end-printer
+ :accessor list-end-printer)
+ (list-end-indent :initform nil :initarg :list-end-indent
+ :accessor list-end-indent)
+ (obj-start-printer :type (or string function null) :initform nil :initarg :obj-start-printer
+ :accessor obj-start-printer)
+ (obj-start-indent :initform nil :initarg :obj-start-indent
+ :accessor obj-start-indent)
+ (obj-end-printer :type (or string function null) :initform nil :initarg :obj-end-printer
+ :accessor obj-end-printer)
+ (obj-end-indent :initform nil :initarg :obj-end-indent
+ :accessor obj-end-indent)
+ (subobj-start-printer :type (or string function null) :initform nil :initarg :subobj-start-printer
+ :accessor subobj-start-printer)
+ (subobj-start-indent :initform nil :initarg :subobj-start-indent
+ :accessor subobj-start-indent)
+ (subobj-end-printer :type (or string function null) :initform nil :initarg :subobj-end-printer
+ :accessor subobj-end-printer)
+ (subobj-end-indent :initform nil :initarg :subobj-end-indent
+ :accessor subobj-end-indent)
+ (obj-data-indent :initform nil :initarg :obj-data-indent
+ :accessor obj-data-indent)
+ (obj-data-printer :type (or function null) :initform nil
+ :initarg :obj-data-printer
+ :accessor obj-data-printer)
+ (obj-data-print-code :type (or function list null) :initform nil
+ :initarg :obj-data-print-code
+ :accessor obj-data-print-code)
+ (obj-data-start-printer :type (or function string null) :initform nil
+ :initarg :obj-data-start-printer
+ :accessor obj-data-start-printer)
+ (obj-data-end-printer :type (or string null) :initform nil
+ :initarg :obj-data-end-printer
+ :accessor obj-data-end-printer)
+ (indenter :type (or function null) :initform nil
+ :accessor indenter
+ :documentation "Function that performs hierarchical indenting")
+ (link-slots :type list :initform nil
+ :documentation "List of slot names that have hyperlinks"
+ :accessor link-slots)
+ (link-page :type (or string null) :initform nil
+ :initarg :link-page
+ :accessor link-page)
+ (link-href-start :type (or string null) :initform nil :initarg :link-href-start
+ :accessor link-href-start)
+ (link-href-end :type (or string null) :initform nil :initarg :link-href-end
+ :accessor link-href-end)
+ (link-ampersand :type (or string null) :initform nil :initarg :link-ampersand
+ :accessor link-ampersand))
+ (:default-initargs :link-page "meta-search.html")
+ (:documentation "View class for a hyperobject"))
+
+(defun get-default-view-id (obj-cl)
+ (aif (views obj-cl)
+ (id (car it))
+ :compact-text))
+
+(defun find-view-id-in-class-precedence (obj-cl vid)
+ "Looks for a view in class and parent classes"
+ (when (typep obj-cl 'hyperobject-class)
+ (aif (find vid (views obj-cl) :key #'id :test #'eq)
+ it
+ (let (cpl)
+ (handler-case
+ (setq cpl (class-precedence-list obj-cl))
+ (error (e)
+ (declare (ignore e))
+ ;; can't get cpl unless class finalized
+ (make-instance (class-name obj-cl))
+ (setq cpl (class-precedence-list obj-cl))))
+ (find-view-id-in-class-precedence (second cpl) vid)))))
+
+
+(defun get-view-id (obj vid &optional slots)
+ "Find or make a category view for an object"
+ (let ((obj-cl (class-of obj)))
+ (unless vid
+ (setq vid (get-default-view-id obj-cl)))
+ (aif (find-view-id-in-class-precedence obj-cl vid)
+ it
+ (let ((view
+ (make-instance 'object-view
+ :object-class (class-name obj-cl)
+ :id vid
+ :slots slots)))
+ (push view (views obj-cl))
+ view))))
;;;; *************************************************************************
;;;; Metaclass Intialization
;;;; *************************************************************************
-(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 finalize-views (cl)
+ "Finalize all views that are given on a objects initialization"
+ (unless (default-print-slots cl)
+ (setf (default-print-slots cl)
+ (mapcar #'slot-definition-name (class-slots cl))))
+ (setf (views cl)
+ (loop for view-def in (direct-views cl)
+ collect (make-object-view cl view-def))))
+
+(defun make-object-view (cl view-def)
+ "Make an object view from a definition. Do nothing if a class is passed so that reinitialization will be a no-op"
+ (cond
+ ((typep view-def 'object-view)
+ view-def)
+ ((eq view-def :default)
+ (make-instance 'object-view
+ :object-class (class-name cl)
+ :id :compact-text))
+ ((consp view-def)
+ (make-instance 'object-view
+ :object-class (class-name cl)
+ :id (getf view-def :id)
+ :slots (getf view-def :slots)
+ :source-code (getf view-def :source-code)))
+ (t
+ (error "Invalid parameter to make-object-view: ~S" view-def))))
+
+(defmethod initialize-instance :after ((self object-view)
+ &rest initargs
+ &key
+ &allow-other-keys)
+ (declare (ignore initargs))
+ (initialize-view self))
+
+(defun initialize-view (view)
"Calculate all view slots for a hyperobject class"
- (let ((fmtstr-text "")
- (fmtstr-html "")
- (fmtstr-xml "")
- (fmtstr-text-labels "")
- (fmtstr-html-labels "")
- (fmtstr-xml-labels "")
- (fmtstr-html-ref "")
- (fmtstr-xml-ref "")
- (fmtstr-html-ref-labels "")
- (fmtstr-xml-ref-labels "")
- (first-field t)
- (value-func '())
- (xmlvalue-func '())
- (classname (class-name cl))
- (package (symbol-package (class-name cl)))
- (hyperlinks nil))
- (declare (ignore classname))
- (check-type (slot-value cl 'print-slots) list)
- (dolist (slot-name (slot-value cl 'print-slots))
- (let ((slot (find-slot-by-name cl slot-name)))
- (unless slot
- (error "Slot ~A is not found in class ~S" slot-name cl))
- (let ((name (slot-definition-name slot))
- (namestr (symbol-name (slot-definition-name slot)))
- (namestr-lower (string-downcase (symbol-name (slot-definition-name slot))))
- (type (slot-value slot 'ho-type))
- (print-formatter (slot-value slot 'print-formatter))
- (value-fmt "~a")
- (plain-value-func nil)
- html-str xml-str html-label-str xml-label-str)
-
- (when (or (eql type :integer) (eql type :fixnum))
- (setq value-fmt "~d"))
-
- (when (eql type :boolean)
- (setq value-fmt "~a"))
-
- (if first-field
- (setq first-field nil)
- (progn
- (string-append fmtstr-text " ")
- (string-append fmtstr-html " ")
- (string-append fmtstr-xml " ")
- (string-append fmtstr-text-labels " ")
- (string-append fmtstr-html-labels " ")
- (string-append fmtstr-xml-labels " ")
- (string-append fmtstr-html-ref " ")
- (string-append fmtstr-xml-ref " ")
- (string-append fmtstr-html-ref-labels " ")
- (string-append fmtstr-xml-ref-labels " ")))
-
- (setq html-str (concatenate 'string "<span class=\"" namestr-lower "\">" value-fmt "</span>"))
- (setq xml-str (concatenate 'string "<" namestr-lower ">" value-fmt "</" namestr-lower ">"))
- (setq html-label-str (concatenate 'string "<span class=\"label\">" namestr-lower "</span> <span class=\"" namestr-lower "\">" value-fmt "</span>"))
- (setq xml-label-str (concatenate 'string "<label>" namestr-lower "</label> <" namestr-lower ">" value-fmt "</" namestr-lower ">"))
-
- (string-append fmtstr-text value-fmt)
- (string-append fmtstr-html html-str)
- (string-append fmtstr-xml xml-str)
- (string-append fmtstr-text-labels namestr-lower " " value-fmt)
- (string-append fmtstr-html-labels html-label-str)
- (string-append fmtstr-xml-labels xml-label-str)
-
- (if (slot-value slot 'hyperlink)
- (progn
- (string-append fmtstr-html-ref "<~~a>" value-fmt "</~~a>")
- (string-append fmtstr-xml-ref "<~~a>" value-fmt "</~~a>")
- (string-append fmtstr-html-ref-labels "<span class=\"label\">" namestr-lower "</span> <~~a>" value-fmt "</~~a>")
- (string-append fmtstr-xml-ref-labels "<label>" namestr-lower "</label> <~~a>" value-fmt "</~~a>")
- (push (make-instance 'hyperlink :name name
- :lookup (slot-value slot 'hyperlink))
- hyperlinks))
- (progn
- (string-append fmtstr-html-ref html-str)
- (string-append fmtstr-xml-ref xml-str)
- (string-append fmtstr-html-ref-labels html-label-str)
- (string-append fmtstr-xml-ref-labels xml-label-str)))
-
- (if print-formatter
- (setq plain-value-func
- (list `(,print-formatter (slot-value x ',(intern namestr package)))))
- (setq plain-value-func
- (list `(slot-value x ',(intern namestr package)))))
- (setq value-func (append value-func plain-value-func))
-
- (if (eql type :cdata)
- (setq xmlvalue-func (append xmlvalue-func (list `(xml-cdata ,@plain-value-func))))
- (setq xmlvalue-func (append xmlvalue-func plain-value-func)))
- )))
-
- (setf (slot-value cl 'hyperlinks) hyperlinks)
-
- (if value-func
- (setq value-func `(lambda (x) (values ,@value-func)))
- (setq value-func `(lambda () (values))))
- (setq value-func (compile nil (eval value-func)))
-
- (if xmlvalue-func
- (setq xmlvalue-func `(lambda (x) (values ,@xmlvalue-func)))
- (setq xmlvalue-func `(lambda () (values))))
- (setq xmlvalue-func (compile nil (eval xmlvalue-func)))
-
- (setf (slot-value cl 'fmtstr-text) fmtstr-text)
- (setf (slot-value cl 'fmtstr-html) fmtstr-html)
- (setf (slot-value cl 'fmtstr-xml) fmtstr-xml)
- (setf (slot-value cl 'fmtstr-text-labels) fmtstr-text-labels)
- (setf (slot-value cl 'fmtstr-html-labels) fmtstr-html-labels)
- (setf (slot-value cl 'fmtstr-xml-labels) fmtstr-xml-labels)
- (setf (slot-value cl 'fmtstr-html-ref) fmtstr-html-ref)
- (setf (slot-value cl 'fmtstr-xml-ref) fmtstr-xml-ref)
- (setf (slot-value cl 'fmtstr-html-ref-labels) fmtstr-html-ref-labels)
- (setf (slot-value cl 'fmtstr-xml-ref-labels) fmtstr-xml-ref-labels)
- (setf (slot-value cl 'value-func) value-func)
- (setf (slot-value cl 'xmlvalue-func) xmlvalue-func))
- (values))
+ (let ((obj-cl (find-class (object-class view))))
+ (cond
+ ((source-code view)
+ (initialize-view-by-source-code view))
+ ((id view)
+ (initialize-view-by-id obj-cl view))
+ (t
+ (setf (id view) :compact-text)
+ (initialize-view-by-id obj-cl view)))))
+
+
+
+(defun initialize-view-by-source-code (view)
+ "Initialize a view based upon a source code"
+ (let* ((source-code (source-code view))
+ (printer `(lambda
+ (,(intern (symbol-name '#:self)
+ (symbol-package (object-class view)))
+ ,(intern (symbol-name '#:s)
+ (symbol-package (object-class view))))
+ (declare (ignorable
+ ,(intern (symbol-name '#:self)
+ (symbol-package (object-class view)))
+ ,(intern (symbol-name '#:s)
+ (symbol-package (object-class view)))))
+ (with-slots ,(slots view)
+ ,(intern (symbol-name '#:self)
+ (symbol-package (object-class view)))
+ ,@source-code))))
+ (setf (printer view)
+ (compile nil (eval printer)))))
+
+(defmacro write-simple (v s)
+ `(typecase ,v
+ (string
+ (write-string ,v ,s))
+ (fixnum
+ (write-fixnum ,v ,s))
+ (symbol
+ (write-string (symbol-name ,v) ,s))
+ (t
+ (write-string (write-to-string ,v) ,s))))
+
+(defun write-ho-value (obj name type formatter cdata strm)
+ (declare (ignorable type))
+ (let* ((slot-data (slot-value obj name))
+ (fmt-data (if formatter
+ (funcall formatter slot-data)
+ slot-data)))
+ (if cdata
+ (write-cdata fmt-data strm)
+ (write-simple fmt-data strm))))
+
+(defun ppfc-html (title name type formatter cdata print-func)
+ (vector-push-extend '(write-string "<span class=\"" s) print-func)
+ (vector-push-extend `(write-string ,title s) print-func)
+ (vector-push-extend '(write-string "\">" s) print-func)
+ (vector-push-extend `(write-ho-value x ',name ',type ',formatter ,cdata s) print-func)
+ (vector-push-extend '(write-string "</span>" s) print-func))
+
+(defun ppfc-xml (tag name type formatter cdata print-func)
+ (vector-push-extend '(write-char #\< s) print-func)
+ (vector-push-extend `(write-string ,tag s) print-func)
+ (vector-push-extend '(write-char #\> s) print-func)
+ (vector-push-extend `(write-ho-value x ',name ',type ',formatter ,cdata s) print-func)
+ (vector-push-extend '(write-string "</" s) print-func)
+ (vector-push-extend `(write-string ,tag s) print-func)
+ (vector-push-extend '(write-char #\> s) print-func))
+
+(defun ppfc-display-table (title name type formatter cdata print-func)
+ (vector-push-extend '(write-string "<td>" s) print-func)
+ (ppfc-html title name type formatter cdata print-func)
+ (vector-push-extend '(write-string "</td>" s) print-func))
+
+(defun ppfc-html-labels (label name type formatter cdata print-func)
+ (vector-push-extend '(write-string "<span class=\"label\">" s) print-func)
+ (vector-push-extend `(when (stringp ,label) (write-string ,label s)) print-func)
+ (vector-push-extend '(write-string "</span> " s) print-func)
+ (ppfc-html label name type formatter cdata print-func))
+
+(defun ppfc-xhtml-labels (label tag name type formatter cdata print-func)
+ (vector-push-extend '(write-string "<span class=\"label\">" s) print-func)
+ (vector-push-extend `(when (stringp ,label) (write-string ,label s)) print-func)
+ (vector-push-extend '(write-string "</span> " s) print-func)
+ (ppfc-html tag name type formatter cdata print-func))
+
+(defun ppfc-xml-labels (label tag name type formatter cdata print-func)
+ (vector-push-extend '(write-string "<label>" s) print-func)
+ (vector-push-extend `(when (stringp ,label) (write-string ,label s)) print-func)
+ (vector-push-extend '(write-string "</label> " s) print-func)
+ (ppfc-xml tag name type formatter cdata print-func))
+
+(defun ppfc-html-link (name type formatter cdata nlink print-func)
+ (declare (fixnum nlink))
+ (vector-push-extend '(write-char #\< s) print-func)
+ (vector-push-extend `(when (stringp (nth ,(+ nlink nlink) links))
+ (write-string (nth ,(+ nlink nlink) links) s)) print-func)
+ (vector-push-extend '(write-char #\> s) print-func)
+ (vector-push-extend `(write-ho-value x ',name ',type ',formatter ,cdata s) print-func)
+ (vector-push-extend '(write-string "</" s) print-func)
+ (vector-push-extend `(when (stringp (nth ,(+ nlink nlink 1) links))
+ (write-string (nth ,(+ nlink nlink 1) links) s)) print-func)
+ (vector-push-extend '(write-char #\> s) print-func))
+
+(defun ppfc-html-link-labels (label name type formatter cdata nlink print-func)
+ (vector-push-extend '(write-string "<span class=\"label\">" s) print-func)
+ (vector-push-extend `(when (stringp ,label) (write-string ,label s)) print-func)
+ (vector-push-extend '(write-string "</span> " s) print-func)
+ (ppfc-html-link name type formatter cdata nlink print-func))
+
+(defun push-print-fun-code (vid slot nlink print-func)
+ (let* ((formatter (esd-print-formatter slot))
+ (name (slot-definition-name slot))
+ (user-name (esd-user-name slot))
+ (xml-user-name (escape-xml-string user-name))
+ (xml-tag (escape-xml-string user-name))
+ (type (slot-definition-type slot))
+
+ (cdata (not (null
+ (and (in vid :xml :xhtml :xml-link :xhtml-link
+ :xml-labels :ie-xml-labels
+ :xhtml-link-labels :xml-link-labels :ie-xml-link
+ :ie-xml-link-labels)
+ (or formatter
+ (lisp-type-is-a-string type))))))
+ (hyperlink (esd-hyperlink slot)))
+
+ (case vid
+ (:compact-text
+ (vector-push-extend
+ `(write-ho-value x ',name ',type ',formatter ,cdata s) print-func))
+ (:compact-text-labels
+ (vector-push-extend `(write-string ,user-name s) print-func)
+ (vector-push-extend '(write-char #\space s) print-func)
+ (vector-push-extend
+ `(write-ho-value x ',name ',type ',formatter ,cdata s) print-func))
+ ((or :html :xhtml)
+ (ppfc-html user-name name type formatter cdata print-func))
+ (:xml
+ (ppfc-xml xml-tag name type formatter cdata print-func))
+ (:html-labels
+ (ppfc-html-labels user-name name type formatter cdata print-func))
+ (:xhtml-labels
+ (ppfc-xhtml-labels xml-user-name user-name name type formatter cdata print-func))
+ ((:display-table :display-table-labels)
+ (ppfc-display-table user-name name type formatter cdata print-func))
+ (:xml-labels
+ (ppfc-xml-labels xml-user-name xml-tag name type formatter cdata print-func))
+ ((or :html-link :xhtml-link)
+ (if hyperlink
+ (ppfc-html-link name type formatter cdata nlink print-func)
+ (ppfc-html user-name name type formatter cdata print-func)))
+ ((or :xml-link :ie-xml-link)
+ (if hyperlink
+ (ppfc-html-link name type formatter cdata nlink print-func)
+ (ppfc-xml xml-tag name type formatter cdata print-func)))
+ (:html-link-labels
+ (if hyperlink
+ (ppfc-html-link-labels user-name name type formatter cdata nlink
+ print-func)
+ (ppfc-html-labels user-name name type formatter cdata print-func)))
+ (:xhtml-link-labels
+ (if hyperlink
+ (ppfc-html-link-labels xml-user-name name type formatter cdata nlink
+ print-func)
+ (ppfc-xhtml-labels xml-tag user-name name type formatter cdata
+ print-func)))
+ ((or :xml-link-labels :ie-xml-link-labels)
+ (if hyperlink
+ (ppfc-html-link-labels xml-user-name name type formatter cdata nlink
+ print-func)
+ (ppfc-xml-labels xml-tag user-name name type formatter cdata
+ print-func))))))
+
+
+(defun view-has-links-p (view)
+ (in (id view) :html-link :xhtml-link :xml-link :ie-xml-link
+ :html-link-labels :xhtml-link-labels :xml-link-labels
+ :ie-xml-link-labels))
+
+(defun creatable-view-id-p (obj-cl vid)
+ "Returns T if a view id can be created for this class"
+ (declare (ignore obj-cl))
+ (in vid :compact-text :compact-text-labels
+ :html :html-labels :html-link-labels
+ :xhtml :xhtml-labels :xhtml-link-labels
+ :xhtml-link :html-link
+ :xml :xml-labels :xml-link :ie-xml-link
+ :xml-link-labels :ie-xml-link-labels
+ :display-table :display-table-labels :edit-table :edit-table-labels))
+
+(defun initialize-view-by-id (obj-cl view)
+ "Initialize a view based upon a preset vid"
+ (unless (creatable-view-id-p obj-cl (id view))
+ (error "Unable to automatically create view id ~A" (id view)))
+
+ (unless (slots view) (setf (slots view) (default-print-slots obj-cl)))
+
+ (let ((links '())
+ (print-func (make-array 20 :fill-pointer 0 :adjustable t)))
+
+ (do* ((slots (slots view) (cdr slots))
+ (slot-name (car slots) (car slots))
+ (slot (find-slot-by-name obj-cl slot-name)
+ (find-slot-by-name obj-cl slot-name)))
+ ((null slots))
+ (unless slot
+ (error "Slot ~A is not found in class ~S" slot-name obj-cl))
+
+ (push-print-fun-code (id view) slot (length links) print-func)
+ (when (> (length slots) 1)
+ (vector-push-extend '(write-char #\space s) print-func))
+
+ (when (and (view-has-links-p view) (esd-hyperlink slot))
+ (push (slot-definition-name slot) links)))
+
+ (vector-push-extend 'x print-func) ;; return object
+ (setf (obj-data-print-code view) `(lambda (x s links)
+ (declare (ignorable s links))
+ ,@(map 'list #'identity print-func)))
+ (setf (obj-data-printer view)
+ (compile nil (eval (obj-data-print-code view))))
+
+ (setf (link-slots view) (nreverse links)))
+
+ (finalize-view-by-id view)
+ view)
+
+(defun finalize-view-by-id (view)
+ (case (id view)
+ ((or :compact-text :compact-text-labels)
+ (initialize-text-view view))
+ ((or :html :html-labels)
+ (initialize-html-view view))
+ ((or :xhtml :xhtml-labels)
+ (initialize-xhtml-view view))
+ ((or :xml :xml-labels)
+ (initialize-xml-view view))
+ ((or :html-link :html-link-labels)
+ (initialize-html-view view)
+ (setf (link-href-start view) "a href=")
+ (setf (link-href-end view) "a")
+ (setf (link-ampersand view) "&"))
+ ((or :xhtml-link :xhtml-link-labels)
+ (initialize-xhtml-view view)
+ (setf (link-href-start view) "a href=")
+ (setf (link-href-end view) "a")
+ (setf (link-ampersand view) "&"))
+ ((or :display-table :display-table-labels :edit-tables)
+ (initialize-table-view view)
+ (when (in (id view) :display-table-labels :edit-table-labels)
+ (setf (list-start-printer view) #'table-label-list-start-func))
+ (setf (link-href-start view) "a href=")
+ (setf (link-href-end view) "a")
+ (setf (link-ampersand view) "&"))
+ ((or :xml-link :xml-link-labels)
+ (initialize-xml-view view)
+ (setf (link-href-start view)
+ "xmllink xlink:type=\"simple\" xlink:href=")
+ (setf (link-href-end view) "xmllink")
+ (setf (link-ampersand view) "&"))
+ ((or :ie-xml-link :ie-xml-link-labels)
+ (initialize-xml-view view)
+ (setf (link-href-start view) "html:a href=")
+ (setf (link-href-end view) "html:a")
+ (setf (link-ampersand view) "&"))))
;;;; *************************************************************************
;;;; View Data Format Section
;;;; *************************************************************************
-(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 hyperlink"))
-
-(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)))
+(defvar +newline-string+ (format nil "~%"))
+
+(defun write-user-name-maybe-plural (obj nitems strm)
+ (write-string
+ (if (> nitems 1)
+ (hyperobject-class-user-name-plural obj)
+ (hyperobject-class-user-name obj))
+ strm))
+
+(defun initialize-text-view (view)
+ (setf (list-start-printer view)
+ (compile nil
+ (eval '(lambda (obj nitems indent strm)
+ (declare (ignore indent))
+ (write-user-name-maybe-plural obj nitems strm)
+ (write-char #\: strm)
+ (write-char #\Newline strm)))))
+ (setf (list-start-indent view) t)
+ (setf (obj-data-indent view) t)
+ (setf (obj-data-end-printer view) +newline-string+)
+ (setf (indenter view) #'indent-spaces))
+
+(defun html-list-start-func (obj nitems indent strm)
+ (write-string "<div class=\"ho-username\" style=\"margin-left:" strm)
+ (write-fixnum (+ indent indent) strm)
+ (write-string "em;\">" strm)
+ (write-user-name-maybe-plural obj nitems strm)
+ (write-string "</div>" strm)
+ (write-char #\newline strm)
+ (write-string "<ul>" strm)
+ (write-char #\newline strm))
+
+(defun initialize-html-view (view)
+ (initialize-text-view view)
+ (setf (indenter view) #'indent-spaces)
+ (setf (file-start-str view) (format nil "<html><body>~%"))
+ (setf (file-end-str view) (format nil "</body><html>~%"))
+ (setf (list-start-indent view) t)
+ (setf (list-start-printer view) #'html-list-start-func)
+ (setf (list-end-printer view) (format nil "</ul>~%"))
+ (setf (list-end-indent view) t)
+ (setf (obj-start-indent view) nil)
+ (setf (obj-start-printer view) "<li>")
+ (setf (obj-end-indent view) nil)
+ (setf (obj-end-printer view) (format nil "</li>~%"))
+ (setf (obj-data-end-printer view) nil)
+ (setf (obj-data-indent view) nil))
+
+(defun xhtml-list-start-func (obj nitems indent strm)
+ (write-string "<div class=\"ho-username\" style=\"margin-left:" strm)
+ (write-fixnum (+ indent indent) strm)
+ (write-string "em;\">" strm)
+ (write-user-name-maybe-plural obj nitems strm)
+ (write-string "</div>" strm)
+ (write-string "<div style=\"margin-left:" strm)
+ (write-fixnum (+ indent indent) strm)
+ (write-string "em;\">" strm)
+ (write-char #\newline strm))
+
+(defun table-list-start-func (obj nitems indent strm)
+ (write-string "<div class=\"ho-username\" style=\"margin-left:" strm)
+ (write-fixnum (+ indent indent) strm)
+ (write-string "em;\">" strm)
+ (write-user-name-maybe-plural obj nitems strm)
+ (write-string "</div>" strm)
+ (write-char #\newline strm)
+ (write-string "<table style=\"margin-left:" strm)
+ (write-fixnum (+ indent indent) strm)
+ (write-string "em;\">" strm)
+ (write-string "<tbody>" strm)
+ (write-char #\newline strm))
+
+(defun table-label-list-start-func (obj nitems indent strm)
+ (write-string "<div class=\"ho-username\" style=\"margin-left:" strm)
+ (write-fixnum (+ indent indent) strm)
+ (write-string "em;\">" strm)
+ (write-user-name-maybe-plural obj nitems strm)
+ (write-string "</div>" strm)
+ (write-char #\newline strm)
+ (write-string "<table style=\"margin-left:" strm)
+ (write-fixnum (+ indent indent) strm)
+ (write-string "em;\">" strm)
+ (write-string "<thead>" strm)
+ (dolist (slot (default-print-slots (class-of obj)))
+ (write-string "<th>" strm)
+ (write-string (write-to-string slot) strm)
+ (write-string "</th>" strm))
+ (write-string "</thead>" strm)
+ (write-char #\newline strm)
+ (write-string "<tbody>" strm)
+ (write-char #\newline strm))
+
+(defun html-obj-start (obj indent strm)
+ (declare (ignore obj indent))
+ (write-string "<div style=\"margin-left:2em;\">" strm))
+
+(defun initialize-xhtml-view (view)
+ (initialize-text-view view)
+ (setf (indenter view) #'indent-spaces)
+ (setf (file-start-str view) (format nil "<html><body>~%"))
+ (setf (file-end-str view) (format nil "</body><html>~%"))
+ (setf (list-start-indent view) nil)
+ (setf (list-start-printer view) #'xhtml-list-start-func)
+ (setf (list-end-printer view) (format nil "</div>~%"))
+ (setf (list-end-indent view) nil)
+ (setf (obj-start-indent view) nil)
+ (setf (obj-start-printer view) #'html-obj-start)
+ (setf (obj-end-printer view) (format nil "</div>~%"))
+ (setf (obj-data-indent view) nil))
+
+(defun initialize-table-view (view)
+ (initialize-text-view view)
+ (setf (indenter view) #'indent-spaces)
+ (setf (file-start-str view) (format nil "<html><body>~%"))
+ (setf (file-end-str view) (format nil "</body><html>~%"))
+ (setf (list-start-indent view) nil)
+ (setf (list-start-printer view) #'table-list-start-func)
+ (setf (list-end-printer view) (format nil "</tbody>~%</table>~%"))
+ (setf (list-end-indent view) nil)
+ (setf (obj-start-indent view) nil)
+ (setf (obj-start-printer view) #'html-obj-start)
+ (setf (obj-start-printer view) (format nil "<tr>"))
+ (setf (obj-end-printer view) (format nil "</tr>~%"))
+ (setf (obj-data-indent view) nil))
+
+(defun xmlformat-list-end-func (x strm)
+ (write-string "</" strm)
+ (write-string (class-name-of x) strm)
+ (write-string "list" strm)
+ (write-string ">" strm)
+ (write-char #\newline strm))
+
+(defun xmlformat-list-start-func (x nitems indent strm)
+ (declare (ignore indent))
+ (write-char #\< strm)
+ (write-string (class-name-of x) strm)
+ (write-string "list><title>" strm)
+ (write-user-name-maybe-plural x nitems strm)
+ (write-string ":</title>" strm)
+ (write-char #\newline strm))
+
+(defun initialize-xml-view (view)
+ (let ((name (string-downcase (symbol-name (object-class view)))))
+ (setf (file-start-str view) "") ; (std-xml-header)
+ (setf (list-start-indent view) t)
+ (setf (list-start-printer view) #'xmlformat-list-start-func)
+ (setf (list-end-indent view) t)
+ (setf (list-end-printer view) #'xmlformat-list-end-func)
+ (setf (obj-start-printer view) (format nil "<~(~a~)>" name))
+ (setf (obj-start-indent view) t)
+ (setf (obj-end-printer view) (format nil "</~(~a~)>~%" name))
+ (setf (subobj-end-printer view) (format nil "</~(~a~)>~%" name))
+ (setf (subobj-end-indent view) nil)
+ (setf (obj-data-indent view) nil)))
;;; 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)))
+(defun fmt-file-start (view strm)
+ (awhen (file-start-str view)
+ (write-string it strm)))
-(defgeneric fmt-file-end (fmt s))
-(defmethod fmt-file-end ((fmt textformat) (s stream))
- (aif (file-end-str fmt)
- (format s it)))
+(defun fmt-file-end (view strm)
+ (awhen (file-end-str view)
+ (write-string it strm)))
;;; 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))
+(defun fmt-list-start (obj view strm indent num-items)
+ (when (list-start-indent view)
+ (awhen (indenter view)
+ (funcall it indent strm)))
+ (awhen (list-start-printer view)
+ (if (stringp it)
+ (write-string it strm)
+ (funcall it obj num-items indent strm))))
+
+(defun fmt-list-end (obj view strm indent num-items)
(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)))))
+ (when (list-end-indent view)
+ (awhen (indenter view)
+ (funcall it indent strm)))
+ (awhen (list-end-printer view)
+ (if (stringp it)
+ (write-string it strm)
+ (funcall it obj strm))))
;;; 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)
+
+(defun fmt-obj-start (obj view strm indent)
+ (when (obj-start-indent view)
+ (awhen (indenter view)
+ (funcall it indent strm)))
+ (awhen (obj-start-printer view)
+ (if (stringp it)
+ (write-string it strm)
+ (funcall it obj indent strm))))
+
+(defun fmt-obj-end (obj view strm indent)
+ (when (obj-end-indent view)
+ (awhen (indenter view)
+ (funcall it indent strm)))
+ (awhen (obj-end-printer view)
+ (if (stringp it)
+ (write-string it strm)
+ (funcall it obj strm))))
+
+(defun fmt-subobj-start (obj view strm indent)
+ (when (subobj-start-indent view)
+ (awhen (indenter view)
+ (funcall it indent strm)))
+ (awhen (subobj-start-printer view)
+ (if (stringp it)
+ (write-string it strm)
+ (funcall it obj indent strm))))
+
+(defun fmt-subobj-end (obj view strm indent)
+ (when (subobj-end-indent view)
+ (awhen (indenter view)
+ (funcall it indent strm)))
+ (awhen (subobj-end-printer view)
+ (if (stringp it)
+ (write-string it strm)
+ (funcall it obj strm))))
+
+;;; Object Data
+
+
+(defun make-link-start (view fieldfunc fieldvalue refvars link-printer)
+ (with-output-to-string (s)
+ (write-string (link-href-start view) s)
+ (write-char #\" s)
+ (let ((link-page (link-page view)))
+ (cond
+ ((null link-printer)
+ (write-string (make-url link-page) s)
+ (write-string "?func=" s)
+ (write-simple fieldfunc s)
+ (write-string (link-ampersand view) s)
+ (write-string "key=" s)
+ (write-simple fieldvalue s)
+ (dolist (var refvars)
+ (write-string (link-ampersand view) s)
+ (write-simple (car var) s)
+ (write-char #\= s)
+ (write-simple (cdr var) s)))
+ (link-printer
+ (funcall link-printer link-page fieldfunc fieldvalue refvars s))))
+ (write-char #\" s)))
+
+(defun make-link-end (obj view 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))))
-
+ (link-href-end view))
+
+(defun fmt-obj-data (obj view strm indent refvars link-printer)
+ (awhen (obj-data-start-printer view)
+ (if (stringp it)
+ (write-string it strm)
+ (funcall it obj strm)))
+ (when (obj-data-indent view)
+ (awhen (indenter view)
+ (funcall it indent strm)))
+ (if (link-slots view)
+ (fmt-obj-data-with-link obj view strm refvars link-printer)
+ (fmt-obj-data-plain obj view strm))
+ (awhen (obj-data-end-printer view)
+ (if (stringp it)
+ (write-string it strm)
+ (funcall it obj strm))))
+
+(defun fmt-obj-data-plain (obj view strm)
+ (awhen (obj-data-printer view)
+ (funcall it obj strm nil)))
+
+(defun fmt-obj-data-with-link (obj view strm refvars link-printer)
+ (let ((refvalues '()))
+ (declare (dynamic-extent refvalues))
;; make list of hyperlink link fields for printing to refstr template
- (dolist (ref (hyperobject-class-hyperlinks 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)
+ (dolist (name (link-slots view))
+ (awhen (find name (hyperobject-class-hyperlinks obj) :key #'name)
+ (push (make-link-start view (lookup it) (slot-value obj name)
+ (append (link-parameters it) refvars)
+ link-printer)
+ refvalues)
+ (push (make-link-end obj view name) refvalues)))
+ (funcall (obj-data-printer view) obj strm (nreverse refvalues))))
+
+(defun obj-data (obj view)
"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 hyperlink 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))
-
+ (with-output-to-string (s) (fmt-obj-data-plain obj view s)))
+
;;; Display method for objects
-(defgeneric load-all-subobjects (objs))
-(defmethod load-all-subobjects (objs)
+(defun load-all-subobjects (objs)
"Load all subobjects if they have not already been loaded."
- (when objs
- (let ((objlist (mklist objs)))
+ (dolist (obj (mklist objs))
+ (dolist (subobj (hyperobject-class-subobjects obj))
+ (awhen (slot-value obj (name-slot subobj))
+ (load-all-subobjects it))))
+ objs)
+
+(defun view-subobjects (obj strm &optional vid (indent 0) filter
+ subobjects refvars link-printer)
+ (when (hyperobject-class-subobjects obj)
+ (dolist (subobj (hyperobject-class-subobjects obj))
+ (aif (slot-value obj (name-slot subobj))
+ (view-hyperobject
+ it (get-view-id (car (mklist it)) vid)
+ strm vid (1+ indent) filter subobjects refvars
+ link-printer)))))
+
+
+(defun view-hyperobject (objs view strm &optional vid (indent 0) filter
+ subobjects refvars link-printer)
+ "Display a single or list of hyperobject-class instances and their subobjects"
+ (let-when (objlist (mklist objs))
+ (let ((nobjs (length objlist))
+ (*print-pretty* nil)
+ (*print-circle* nil)
+ (*print-escape* nil)
+ (*print-readably* nil)
+ (*print-length* nil)
+ (*print-level* nil))
+ (fmt-list-start (car objlist) view strm indent nobjs)
(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 view-hyperobject (objs fmt strm
- &optional label english-only-function
- indent subobjects refvars))
-
-(defmethod view-hyperobject (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)
+ (awhen (printer view)
+ (funcall it obj strm))
+ (unless (and filter (not (funcall filter obj)))
+ (fmt-obj-start obj view strm indent)
+ (fmt-obj-data obj view strm (1+ indent) refvars link-printer)
+ (fmt-obj-end obj view strm indent)
(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
- (view-hyperobject 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 view (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 view-hyperobject"
- (let ((fmt (make-format-instance format)))
- (if file-wrapper
- (fmt-file-start fmt os))
- (when objs
- (view-hyperobject objs fmt os label 0 english-only-function subobjects refvars))
- (if file-wrapper
- (fmt-file-end fmt os)))
+ (progn
+ (fmt-subobj-start obj view strm indent)
+ (view-subobjects obj strm vid indent filter subobjects
+ refvars link-printer)
+ (fmt-subobj-end obj view strm indent))
+ (fmt-subobj-start obj view strm indent))))
+ (fmt-list-end (car objlist) view strm indent nobjs)))
+ objs)
+
+
+(defun view (objs &key (stream *standard-output*) vid view
+ filter subobjects refvars file-wrapper link-printer)
+ "EXPORTED Function: prints hyperobject-class objects. Calls view-hyperobject"
+ (let-when (objlist (mklist objs))
+ (unless view
+ (setq view (get-view-id (car objlist) vid)))
+ (when file-wrapper
+ (fmt-file-start view stream))
+ (view-hyperobject objlist view stream vid 0 filter subobjects refvars
+ link-printer)
+ (when file-wrapper
+ (fmt-file-end view stream)))
objs)
(defun fmt-comma-integer (i)
(format nil "~:d" i))
-