-;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: HYPEROBJECT -*-
-;;;; *************************************************************************
-;;;; FILE IDENTIFICATION
-;;;;
-;;;; Name: hyperobject.lisp
-;;;; Purpose: Hyper Object (Plain - no Metaclass)
-;;;; Programmer: Kevin M. Rosenberg
-;;;; Date Started: Nov 2002
-;;;;
-;;;; This is a rewrite of hyperobjec't to avoid using metaclasses.
-;;;;
-;;;; $Id$
-;;;;
-;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
-;;;;
-;;;; *************************************************************************
-
-
-(defpackage #:hyperobject-no-mop
- (:nicknames #:ho-no-mop)
- (:use #:common-lisp #:kmrcl)
- (:export
- #:define-hyperobject
- #:hyperobject
- #:hyperobject-base-url!
- #:load-all-subobjects
- #:print-hyperobject
- ))
-
-(defpackage #:hyperobject-no-mop-user
- (:nicknames #:ho-no-mop-user)
- (:use #:hyperobject-no-mop #:cl #:cl-user))
-
-(in-package :hyperobject-no-mop)
-
-
-(eval-when (:compile-toplevel :execute)
- (declaim (optimize (speed 3) (safety 1) (compilation-speed 0) (debug 3))))
-
-
-;; Main class
-
-(defclass hyperobject ()
- ())
-
-(defclass hyperobject-meta ()
- ((fields :initform nil :type list)
- (subobjects :initform nil :type list)
- (references :initform nil :type list)
- (value-func :initform nil :type function)
- (xml-value-func :initform nil :type function)
- (fmtstr-text :initform nil :type string)
- (fmtstr-html :initform nil :type string)
- (fmtstr-xml :initform nil :type string)
- (fmtstr-text-labels :initform nil :type string)
- (fmtstr-html-labels :initform nil :type string)
- (fmtstr-xml-labels :initform nil :type string)
- (fmtstr-html-ref :initform nil :type string)
- (fmtstr-xml-ref :initform nil :type string)
- (fmtstr-html-ref-labels :initform nil :type string)
- (fmtstr-xml-ref-labels :initform nil :type string)
- )
- (:documentation "Class holding meta information for hyperobjects"))
-
-(defclass field ()
- ((name :type symbol :initform nil :initarg :name :reader name)
- (print-formatter :initform nil :initarg :print-formatter :reader print-formatter)
- (cl-type :initform nil :reader cl-type)
- (ho-type :initform nil :reader ho-type)
- (subobject :initform nil :reader subobject)
- (reference :initform nil :reader reference)
- ))
-
-
-(defmethod print-object ((obj field) (s stream))
- (print-unreadable-object (obj s :type t :identity t)
- (format s "~S" (name obj))))
-
-(defclass subobject ()
- ((name :type symbol :initform nil :initarg :name :reader name)
- (reader :type function :initform nil :initarg :reader :reader reader)))
-
-(defmethod print-object ((obj subobject) (s stream))
- (print-unreadable-object (obj s :type t :identity t)
- (format s "~S" (name obj))))
-
-(defclass reference ()
- ((name :type symbol :initform nil :initarg :name :reader name)
- (lookup :type function :initform nil :initarg :lookup :reader lookup)
- (link-parameters :type list :initform nil :initarg :link-parameters
- :reader link-parameters)))
-
-(defmethod print-object ((obj reference) (s stream))
- (print-unreadable-object (obj s :type t :identity t)
- (format s "~S" (name obj))))
-
-(defun remove-keys (key-names args)
- (loop for ( name val ) on args by #'cddr
- unless (member (symbol-name name) key-names
- :key #'symbol-name :test 'equal)
- append (list name val)))
-
-(defun convert-ho-type (ho-type)
- (check-type ho-type symbol)
- (case (intern (symbol-name ho-type) (symbol-name :keyword))
- (:string
- 'string)
- (:fixnum
- 'fixnum)
- (:boolean
- 'boolean)
- (:integer
- 'integer)
- (:cdata
- 'string)
- (:float
- 'float)
- (otherwise
- ho-type)))
-
-(defun process-hyper-fields (raw-fields meta)
- (let* ((fields '())
- (references '())
- (subobjects '())
- (processed-fields
- (loop for field in raw-fields
- collecting
- (destructuring-bind
- (name &rest rest &key
- ;; the following list of keywords is reproduced below in the
- ;; remove-keys form. important to keep them in sync
- type reader writer accessor initform print-formatter initarg
- reference subobject
- ;; list ends
- &allow-other-keys) field
- (let ((other-args (remove-keys
- '(type reader writer accessor initform print-formatter
- initarg reference subobject)
- rest))
- (field-obj (make-instance 'field :name name))
- (kv nil))
- (declare (ignore other-args))
- (push field-obj fields)
- (loop for (k v) in `((:type ,type) (:reader ,reader) (:writer ,writer)
- (:accessor ,accessor) (:initform ,initform)
- (:print-formatter ,print-formatter) (:initarg ,initarg)
- (:subobject ,subobject) (:reference ,reference))
- do
- (case k
- (:initarg
- (push (list :initarg
- (if v
- v
- (intern (symbol-name name)
- (symbol-name :keyword))))
- kv))
- (:accessor
- (when v
- (push (list :accessor v) kv)))
- (:print-formatter
- (when v
- (setf (slot-value field-obj 'print-formatter) v)))
- (:writer
- (when v
- (push (list :writer v) kv)))
- (:reader
- (if v
- (push (list :reader v) kv)
- (push (list :reader name) kv)))
- (:type
- (when v
- (setf (slot-value field-obj 'ho-type) v)
- (setf (slot-value field-obj 'cl-type) (convert-ho-type v))
- (push (list :type (cl-type field-obj)) kv)))
- (:subobject
- (when v
- (let ((subobj (make-instance
- 'subobject :name name
- :reader
- (if (eq v t)
- name
- v))))
- (setf (slot-value field-obj 'subobject) subobj)
- (push subobj subobjects))))
- (:reference
- (when v
- (let ((ref (make-instance 'reference :name name :lookup v)))
- (setf (slot-value field-obj 'reference) ref)
- (push ref references))))
- ))
- (append
- (list name)
- (loop for (k v) in kv
- collecting k
- collecting v)))))))
- (setf (slot-value meta 'fields) (nreverse fields))
- (setf (slot-value meta 'references) (nreverse references))
- (setf (slot-value meta 'subobjects) (nreverse subobjects))
- processed-fields))
-
-
-(defun process-title (name meta)
- (let ((title (cadr (assoc :title meta))))
- (if title
- (if (symbolp title)
- (symbol-name title)
- title)
- (symbol-name name))))
-
-(defun process-documentation (meta)
- (let ((doc (cadr (assoc :title meta))))
- (if (and doc (symbolp doc))
- (symbol-name doc)
- doc)))
-
-;;;; Class initialization function
-(defun init-hyperobject-class (name meta)
- (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 '())
- (xml-value-func '())
- (package (symbol-package name)))
- (dolist (field (slot-value meta 'fields))
- (let* ((name (name field))
- (print-formatter (print-formatter field))
- (type (ho-type field))
- (reference (reference field))
- (namestr (symbol-name name))
- (namestr-lower (string-downcase (symbol-name name)))
- (value-fmt "~a")
- (plain-value-func nil)
- html-str xml-str html-label-str xml-label-str)
- (unless (subobject field)
- (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 reference
- (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 print-formatter
- (setq plain-value-func
- (list `(,print-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 xml-value-func (append xml-value-func (list `(xml-cdata ,@plain-value-func))))
- (setq xml-value-func (append xml-value-func plain-value-func)))
- )))
-
- (if value-func
- (setq value-func `(lambda (x) (values ,@value-func)))
- (setq value-func `(lambda () (values))))
-
- (if xml-value-func
- (setq xml-value-func `(lambda (x) (values ,@xml-value-func)))
- (setq xml-value-func `(lambda () (values))))
-
- (setf (slot-value meta 'fmtstr-text) fmtstr-text)
- (setf (slot-value meta 'fmtstr-html) fmtstr-html)
- (setf (slot-value meta 'fmtstr-xml) fmtstr-xml)
- (setf (slot-value meta 'fmtstr-text-labels) fmtstr-text-labels)
- (setf (slot-value meta 'fmtstr-html-labels) fmtstr-html-labels)
- (setf (slot-value meta 'fmtstr-xml-labels) fmtstr-xml-labels)
- (setf (slot-value meta 'fmtstr-html-ref) fmtstr-html-ref)
- (setf (slot-value meta 'fmtstr-xml-ref) fmtstr-xml-ref)
- (setf (slot-value meta 'fmtstr-html-ref-labels) fmtstr-html-ref-labels)
- (setf (slot-value meta 'fmtstr-xml-ref-labels) fmtstr-xml-ref-labels)
- (setf (slot-value meta 'value-func) value-func)
- (setf (slot-value meta 'xml-value-func) xml-value-func))
- (values))
-
-(defgeneric ho-title (obj) )
-(defgeneric ho-name (obj) )
-(defgeneric ho-value-func (obj) )
-(defgeneric ho-xml-value-func (obj) )
-(defgeneric ho-fmtstr-text (obj) )
-(defgeneric ho-fmtstr-html (obj) )
-(defgeneric ho-fmtstr-xml (obj) )
-(defgeneric ho-fmtstr-text-labels (obj) )
-(defgeneric ho-fmtstr-html-labels (obj) )
-(defgeneric ho-fmtstr-xml-labels (obj) )
-(defgeneric ho-fmtstr-html-ref (obj) )
-(defgeneric ho-fmtstr-xml-ref (obj) )
-(defgeneric ho-fmtstr-html-ref-labels (obj) )
-(defgeneric ho-fmtstr-xml-ref-labels (obj) )
-(defgeneric ho-fields (obj) )
-(defgeneric ho-references (obj) )
-(defgeneric ho-subobjects (obj) )
-
-(defmacro define-hyperobject (name parents fields &rest meta-fields)
- (let* ((meta (make-instance 'hyperobject-meta))
- (cl-fields (process-hyper-fields fields meta))
- (title (process-title name meta-fields))
- (documentation (process-documentation meta-fields))
- (value-func (gensym))
- (xml-value-func (gensym)))
- (init-hyperobject-class name meta)
- `(progn
- (eval-when (:compile-toplevel :load-toplevel :execute)
- (defclass ,name ,(append parents (list 'hyperobject)) ,cl-fields
- ,@(and documentation (list (list :documentation documentation)))))
- (let ((,value-func (compile nil (eval (slot-value ,meta 'value-func))))
- (,xml-value-func (compile nil (eval (slot-value ,meta 'xml-value-func)))))
- (defmethod ho-title ((obj ,name))
- ,title)
- (defmethod ho-name ((obj ,name))
- ,(string-downcase (symbol-name name)))
- (defmethod ho-fields ((obj ,name))
- ',(slot-value meta 'fields))
- (defmethod ho-references ((obj ,name))
- ',(slot-value meta 'references))
- (defmethod ho-subobjects ((obj ,name))
- ',(slot-value meta 'subobjects))
- (defmethod ho-value-func ((obj ,name))
- ,value-func)
- (defmethod ho-xml-value-func ((obj ,name))
- ,xml-value-func)
- (defmethod ho-fmtstr-text ((obj ,name))
- ,(slot-value meta 'fmtstr-text))
- (defmethod ho-fmtstr-html ((obj ,name))
- ,(slot-value meta 'fmtstr-html))
- (defmethod ho-fmtstr-xml ((obj ,name))
- ,(slot-value meta 'fmtstr-xml))
- (defmethod ho-fmtstr-text-labels ((obj ,name))
- ,(slot-value meta 'fmtstr-text-labels))
- (defmethod ho-fmtstr-html-labels ((obj ,name))
- ,(slot-value meta 'fmtstr-html-labels))
- (defmethod ho-fmtstr-xml-labels ((obj ,name))
- ,(slot-value meta 'fmtstr-xml-labels))
- (defmethod ho-fmtstr-html-ref ((obj ,name))
- ,(slot-value meta 'fmtstr-html-ref))
- (defmethod ho-fmtstr-xml-ref ((obj ,name))
- ,(slot-value meta 'fmtstr-xml-ref))
- (defmethod ho-fmtstr-html-ref-labels ((obj ,name))
- ,(slot-value meta 'fmtstr-html-ref-labels))
- (defmethod ho-fmtstr-xml-ref-labels ((obj ,name))
- ,(slot-value meta '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 hoes
-
-(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-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-fmtstr-text
- :obj-data-fmtstr-labels #'ho-fmtstr-text-labels
- :obj-data-end-fmtstr "~%"
- :obj-data-value-func #'ho-value-func))
-
-
-(defun htmlformat-list-start-value-func (x nitems)
- (values (ho-title x) nitems (ho-name 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-fmtstr-html-labels
- :obj-data-fmtstr-labels #'ho-fmtstr-html-labels
- :obj-data-value-func #'ho-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-fmtstr-html-labels
- :obj-data-fmtstr-labels #'ho-fmtstr-html-labels
- :obj-data-value-func #'ho-xml-value-func))
-
-
-(defun xmlformat-list-end-value-func (x)
- (format nil "~alist" (ho-name x)))
-
-(defun xmlformat-list-start-value-func (x nitems)
- (values (format nil "~alist" (ho-name x)) (ho-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 #'ho-name
- :obj-start-indent t
- :obj-end-fmtstr "</~a>~%"
- :obj-end-value-func #'ho-name
- :obj-end-indent nil
- :obj-data-indent nil
- :obj-data-fmtstr #'ho-fmtstr-xml
- :obj-data-fmtstr-labels #'ho-fmtstr-xml-labels
- :obj-data-value-func #'ho-xml-value-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-fmtstr-html-ref
- :fmtstr-labels #'ho-fmtstr-html-ref-labels
- :href-head "a href="
- :href-end "a"
- :ampersand "&"))
-
-(defclass xhtml-link-ref (link-ref)
- ()
- (:default-initargs :fmtstr #'ho-fmtstr-html-ref
- :fmtstr-labels #'ho-fmtstr-html-ref-labels
- :href-head "a href="
- :href-end "a"
- :ampersand "&"))
-
-(defclass xml-link-ref (link-ref)
- ()
- (:default-initargs :fmtstr #'ho-fmtstr-xml-ref
- :fmtstr-labels #'ho-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 (ho-references x))
- (let ((link-start
- (make-link-start x (link-ref fmt) (name ref) (lookup ref)
- (nth (position (name ref) (ho-fields x)
- :key #'(lambda (x) (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 (ho-subobjects obj) ;; access list of functions
- (dolist (subobj it) ;; for each child function
- (awhen (funcall (reader subobj) 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 (ho-subobjects obj) ;; access list of functions
- (dolist (subobj it) ;; for each child function
- (awhen (funcall (reader subobj) 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)
-
-
-(defmethod print-object ((obj hyperobject) (s stream))
- (print-unreadable-object (obj s :type t :identity t)
- (let ((fmt (make-instance 'hyperobject::textformat)))
- (apply #'format
- s (funcall (hyperobject::obj-data-fmtstr fmt) obj)
- (multiple-value-list
- (funcall (funcall (hyperobject::obj-data-value-func fmt) obj) obj))))))
-
projects / hyperobject.git / commitdiff