;;; The contents of this file are subject to the Mozilla Public
;;; License Version 1.1 (the "License"); you may not use this file
;;; except in compliance with the License. You may obtain a copy of
;;; the License at http://www.mozilla.org/MPL/
;;; 
;;; Software distributed under the License is distributed on an "AS
;;; IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
;;; implied. See the License for the specific language governing
;;; rights and limitations under the License.
;;; 
;;; The Original Code is the Language Design and Prototyping Environment.
;;; 
;;; The Initial Developer of the Original Code is Netscape Communications
;;; Corporation.  Portions created by Netscape Communications Corporation are
;;; Copyright (C) 1999 Netscape Communications Corporation.  All
;;; Rights Reserved.
;;; 
;;; Contributor(s):   Waldemar Horwat <waldemar@acm.org>

;;;
;;; Custom HTML-to-RTF Converter
;;;
;;; Waldemar Horwat (waldemar@acm.org)
;;;


(defparameter *html-to-rtf-filenames*
  '("../Utilities" "../Markup" "../RTF" "Convert"))

(defparameter *html-to-rtf-directory*
  (make-pathname
   #+lispworks :host #+lispworks (pathname-host *load-truename*)
   :directory (pathname-directory #-mcl *load-truename*
                                  #+mcl (truename *loading-file-source-file*))))

(defparameter *semantic-engine-directory*
  (merge-pathnames (make-pathname :directory '(:relative :up)) *html-to-rtf-directory*))


; Convert a filename string possibly containing slashes into a Lisp relative pathname.
(defun filename-to-relative-pathname (filename)
  (let ((directories nil))
    (loop
      (let ((slash (position #\/ filename)))
        (if slash
          (let ((dir-name (subseq filename 0 slash)))
            (push (if (equal dir-name "..") :up dir-name) directories)
            (setq filename (subseq filename (1+ slash))))
          (return (if directories
                    (make-pathname :directory (cons ':relative (nreverse directories)) :name filename #+lispworks :type #+lispworks "lisp")
                    #-lispworks filename
                    #+lispworks (make-pathname :name filename :type "lisp"))))))))


; Convert a filename string possibly containing slashes relative to *html-to-rtf-directory*
; into a Lisp absolute pathname.
(defun filename-to-html-to-rtf-pathname (filename)
  (merge-pathnames (filename-to-relative-pathname filename) *html-to-rtf-directory*))


; Convert a filename string possibly containing slashes relative to *semantic-engine-directory*
; into a Lisp absolute pathname.
(defun filename-to-semantic-engine-pathname (filename)
  (merge-pathnames (filename-to-relative-pathname filename) *semantic-engine-directory*))


(defun operate-on-files (f files &rest options)
  (with-compilation-unit ()
    (dolist (filename files)
      (apply f (filename-to-html-to-rtf-pathname filename) :verbose t options))))

(defun compile-html-to-rtf ()
  (operate-on-files #'compile-file *html-to-rtf-filenames* :load t))

(defun load-html-to-rtf ()
  (operate-on-files #-allegro #'load #+allegro #'load-compiled *html-to-rtf-filenames*))


(defmacro with-local-output ((stream filename) &body body)
  `(with-open-file (,stream (filename-to-html-to-rtf-pathname ,filename)
                            :direction :output
                            :if-exists :supersede)
     ,@body))


(load (filename-to-html-to-rtf-pathname "../HTML-Parser/mac-sysdcl"))
(html-parser:initialize-parser)
(import '(html-parser:file->string
          html-parser:instance-of
          html-parser:parts
          html-parser:part-of
          html-parser:attr-values
          html-parser:html-entity-token))

(load-html-to-rtf)