--- /dev/null
+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name: hyperobject.lisp
+;;;; Purpose: Hyper Object Metaclass
+;;;; 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: hyperobject.lisp,v 1.1 2002/11/03 19:59:10 kevin Exp $
+;;;;
+;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
+;;;;
+;;;; *************************************************************************
+
+(in-package :hyperobject)
+
+
+(eval-when (:compile-toplevel :execute)
+ (declaim (optimize (speed 3) (safety 1) (compilation-speed 0) (debug 3))))
+
+
+;; Utilities
+
+(defun my-class-of (obj)
+ #-(or cmu sbcl) (class-of obj)
+ #+sbcl (sb-pcl:class-of obj)
+ #+cmu (pcl:class-of obj))
+
+(defun my-class-name (obj)
+ #-(or cmu sbcl) (class-name obj)
+ #+sbcl (sb-pcl:class-name obj)
+ #+cmu (pcl:class-name obj))
+
+(defun xml-cdata (str)
+ (concatenate 'string "<![CDATA[" str "]]>"))
+
+;;
+(defclass ho-class (#-(or cmu sbcl) standard-class
+ #+cmu pcl::standard-class
+ #+sbcl sb-pcl::standard-class)
+ ((title :initarg :title :type string :reader ml-std-title
+ :documentation
+"Print Title for class")
+ (fields :initarg :fields :reader ml-std-fields
+ :documentation
+"List of field lists for printing. Format is
+ ((fieldname type optional-formatter) ... )")
+ (subobjects-lists
+ :initarg :subobjects-lists :reader ml-std-subobjects-lists
+ :documentation
+"List of fields that contain a list of subobjects objects.")
+ (ref-fields
+ :initarg :ref-fields :type list :reader ml-std-ref-field
+ :documentation
+ "List of fields that can be referred to by browsers.
+Format is ((field-name field-lookup-func other-link-params) ...)")
+
+ ;;; The remainder of these fields are calculated one time
+ ;;; in finalize-inheritence.
+ (value-func :initform nil :type function :reader ml-std-value-func)
+ (xmlvalue-func :initform nil :type function :reader ml-std-xmlvalue-func)
+ (fmtstr-text :initform nil :type string :reader ml-std-fmtstr-text)
+ (fmtstr-html :initform nil :type string :reader ml-std-fmtstr-html)
+ (fmtstr-xml :initform nil :type string :reader ml-std-fmtstr-xml)
+ (fmtstr-text-labels :initform nil :type string :reader ml-std-fmtstr-text-labels)
+ (fmtstr-html-labels :initform nil :type string :reader ml-std-fmtstr-html-labels)
+ (fmtstr-xml-labels :initform nil :type string :reader ml-std-fmtstr-xml-labels)
+ (fmtstr-html-ref :initform nil :type string :reader ml-std-fmtstr-html-ref)
+ (fmtstr-xml-ref :initform nil :type string :reader ml-std-fmtstr-xml-ref)
+ (fmtstr-html-ref-labels :initform nil :type string :reader ml-std-fmtstr-html-ref-labels)
+ (fmtstr-xml-ref-labels :initform nil :type string :reader ml-std-fmtstr-xml-ref-labels)
+ )
+ (:default-initargs :title nil :fields nil :subobjects-lists nil :ref-fields nil)
+ (:documentation "Metaclass for Markup Language classes."))
+
+#+cmu
+(defmethod pcl:finalize-inheritance :after ((cl ho-class))
+ (init-ho-class cl))
+
+#+scl
+(defmethod clos:finalize-inheritance :after ((cl ho-class))
+ (init-ho-class cl))
+
+
+#+sbcl
+(defmethod sb-pcl:finalize-inheritance :after ((cl ho-class))
+ (init-ho-class cl))
+
+
+#+cmu
+(defmethod pcl:validate-superclass ((class ho-class) (superclass pcl::standard-class))
+ t)
+
+#+scl
+(defmethod clos:validate-superclass ((class ho-class) (superclass standard-class))
+ t)
+
+#+sbcl
+(defmethod sb-pcl:validate-superclass ((class ho-class) (superclass sb-pcl::standard-class))
+ t)
+
+#+allegro
+(defmethod mop:finalize-inheritance :after ((cl ho-class))
+ (init-ho-class cl))
+
+#+lispworks
+(defmethod clos:finalize-inheritance :after ((cl ho-class))
+ (init-ho-class cl))
+
+#+lispworks
+(defmethod clos:process-a-class-option ((class ho-class)
+ (name (eql :title))
+ value)
+ (unless value
+ (error "ho-class title must have a value"))
+ (if (null (cdr value))
+ (list name (car value))
+ (list name `',value)))
+
+#+lispworks
+(defmethod clos:process-a-class-option ((class ho-class)
+ (name (eql :fields))
+ value)
+ (unless value
+ (error "ho-class fields must have a value"))
+ (list name `',value))
+
+#+lispworks
+(defmethod clos:process-a-class-option ((class ho-class)
+ (name (eql :ref-fields))
+ value)
+ (unless value
+ (error "ho-class ref-fields must have a value"))
+ (list name `',value))
+
+#+lispworks
+(defmethod clos:process-a-class-option ((class ho-class)
+ (name (eql :subobjects-lists))
+ value)
+ (unless value
+ (error "ho-class subobjects-lists must have a value"))
+ (list name `',value))
+
+;;;; Class initialization function
+
+(defun init-ho-class (cl)
+ (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 (my-class-name cl)))
+ (ref-fields (slot-value cl 'ref-fields)))
+ (declare (ignore classname))
+ (dolist (f (slot-value cl 'fields))
+ (let ((name (car f))
+ (namestr (symbol-name (car f)))
+ (namestr-lower (string-downcase (symbol-name (car f))))
+ (type (cadr f))
+ (formatter (caddr f))
+ (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 :commainteger)
+ (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 (find name ref-fields :key #'car)
+ (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>"))
+ (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 formatter
+ (setq plain-value-func
+ (list `(,formatter (,(intern namestr package) x))))
+ (setq plain-value-func
+ (list `(,(intern namestr package) x))))
+ (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)))
+ ))
+
+ (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))
+
+
+(defun ho-class-fmtstr-text (obj)
+ (slot-value (my-class-of obj) 'fmtstr-text))
+
+(defun ho-class-fmtstr-html (obj)
+ (slot-value (my-class-of obj) 'fmtstr-html))
+
+(defun ho-class-fmtstr-xml (obj)
+ (slot-value (my-class-of obj) 'fmtstr-xml))
+
+(defun ho-class-fmtstr-text-labels (obj)
+ (slot-value (my-class-of obj) 'fmtstr-text-labels))
+
+(defun ho-class-fmtstr-html-labels (obj)
+ (slot-value (my-class-of obj) 'fmtstr-html-labels))
+
+(defun ho-class-fmtstr-xml-labels (obj)
+ (slot-value (my-class-of obj) 'fmtstr-xml-labels))
+
+(defun ho-class-value-func (obj)
+ (slot-value (my-class-of obj) 'value-func))
+
+(defun ho-class-xmlvalue-func (obj)
+ (slot-value (my-class-of obj) 'xmlvalue-func))
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+(defun ho-class-title (obj)
+ (awhen (slot-value (my-class-of obj) 'title)
+ (if (consp it)
+ (car it)
+ it))))
+
+(defun ho-class-subobjects-lists (obj)
+ (slot-value (my-class-of obj) 'subobjects-lists))
+
+(defun ho-class-ref-fields (obj)
+ (slot-value (my-class-of obj) 'ref-fields))
+
+(defun ho-class-fields (obj)
+ (slot-value (my-class-of obj) 'fields))
+
+(defun ho-class-fmtstr-html-ref (obj)
+ (slot-value (my-class-of obj) 'fmtstr-html-ref))
+
+(defun ho-class-fmtstr-xml-ref (obj)
+ (slot-value (my-class-of obj) 'fmtstr-xml-ref))
+
+(defun ho-class-fmtstr-html-ref-labels (obj)
+ (slot-value (my-class-of obj) 'fmtstr-html-ref-labels))
+
+(defun ho-class-fmtstr-xml-ref-labels (obj)
+ (slot-value (my-class-of obj) 'fmtstr-xml-ref-labels))
+
+;;; Class name functions
+
+(defgeneric ho-class-stdname (x))
+(defmethod ho-class-stdname ((name string))
+ (string-downcase (subseq name 1)))
+
+(defmethod ho-class-stdname ((cl standard-object))
+ (string-downcase (subseq (my-class-name (my-class-of cl)) 1)))
+
+;;;; 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 ho-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 (ho-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 #'ho-class-fmtstr-text
+ :obj-data-fmtstr-labels #'ho-class-fmtstr-text-labels
+ :obj-data-end-fmtstr "~%"
+ :obj-data-value-func #'ho-class-value-func))
+
+
+(defun class-name-of (obj)
+ (string-downcase (my-class-name (my-class-of obj))))
+
+(defun htmlformat-list-start-value-func (x nitems)
+ (values (ho-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 #'ho-class-fmtstr-html-labels
+ :obj-data-fmtstr-labels #'ho-class-fmtstr-html-labels
+ :obj-data-value-func #'ho-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 #'ho-class-fmtstr-html-labels
+ :obj-data-fmtstr-labels #'ho-class-fmtstr-html-labels
+ :obj-data-value-func #'ho-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)) (ho-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 #'ho-class-fmtstr-xml
+ :obj-data-fmtstr-labels #'ho-class-fmtstr-xml-labels
+ :obj-data-value-func #'ho-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 #'ho-class-fmtstr-html-ref
+ :fmtstr-labels #'ho-class-fmtstr-html-ref-labels
+ :href-head "a href="
+ :href-end "a"
+ :ampersand "&"))
+
+(defclass xhtml-link-ref (link-ref)
+ ()
+ (:default-initargs :fmtstr #'ho-class-fmtstr-html-ref
+ :fmtstr-labels #'ho-class-fmtstr-html-ref-labels
+ :href-head "a href="
+ :href-end "a"
+ :ampersand "&"))
+
+(defclass xml-link-ref (link-ref)
+ ()
+ (:default-initargs :fmtstr #'ho-class-fmtstr-xml-ref
+ :fmtstr-labels #'ho-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 (field (ho-class-ref-fields x))
+ (let ((link-start
+ (make-link-start x (link-ref fmt) (car field) (cadr field)
+ (nth (position (car field) (ho-class-fields x) :key #'car) field-values)
+ (append (caddr field) refvars)))
+ (link-end (make-link-end x (link-ref fmt) (car field))))
+ (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 (ho-class-subobjects-lists obj) ;; access list of functions
+ (dolist (child-obj it) ;; for each child function
+ (awhen (funcall (car child-obj) obj)
+ (load-all-subobjects it))))))
+ objs))
+
+(defgeneric output-ho-class (objs fmt strm
+ &optional label english-only-function
+ indent subobjects refvars))
+
+(defmethod output-ho-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 ho-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 (ho-class-subobjects-lists obj) ;; access list of functions
+ (dolist (child-obj it) ;; for each child function
+ (awhen (funcall (car child-obj) obj) ;; access set of child objects
+ (output-ho-class it fmt strm label
+ english-only-function
+ (1+ indent) subobjects refvars)))))
+ (fmt-obj-end obj fmt strm indent)))
+ (fmt-list-end (car objs) fmt strm indent nobjs))
+ t))
+
+
+(defun print-ho (objs &key (os *standard-output*) (format :text)
+ (label nil) (english-only-function nil)
+ (subobjects nil) (file-wrapper t) (refvars nil))
+ "EXPORTED Function: prints ho-class objects. Simplies call to output-ho-class"
+ (let ((fmt (make-format-instance format)))
+ (if file-wrapper
+ (fmt-file-start fmt os))
+ (when objs
+ (output-ho-class objs fmt os label english-only-function 0 subobjects refvars))
+ (if file-wrapper
+ (fmt-file-end fmt os)))
+ objs)
projects / hyperobject.git / commitdiff