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authorLudovic Court`es2005-06-15 13:00:39 +0000
committerLudovic Court`es2005-06-15 13:00:39 +0000
commitfc42fe56a57eace2dbdb31574c2e161f0eacf839 (patch)
tree18111570156cb0e3df0d81c8d104517a2263fd2c /skr/html4.skr
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Initial import of Skribe 1.2d.
Initial import of Skribe 1.2d. git-archimport-id: lcourtes@laas.fr--2004-libre/skribilo--devel--1.2--base-0
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+;;;;
+;;;; html4.skr -- HTML 4.01 Engine
+;;;;
+;;;; Copyright © 2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.fr>
+;;;;
+;;;;
+;;;; This program is free software; you can redistribute it and/or modify
+;;;; it under the terms of the GNU General Public License as published by
+;;;; the Free Software Foundation; either version 2 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; This program is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with this program; if not, write to the Free Software
+;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+;;;; USA.
+;;;;
+;;;; Author: Erick Gallesio [eg@essi.fr]
+;;;; Creation date: 18-Feb-2004 11:58 (eg)
+;;;; Last file update: 26-Feb-2004 21:09 (eg)
+;;;;
+
+(define (find-children node)
+ (define (flat l)
+ (cond
+ ((null? l) l)
+ ((pair? l) (append (flat (car l))
+ (flat (cdr l))))
+ (else (list l))))
+
+ (if (markup? node)
+ (flat (markup-body node))
+ node))
+
+;;; ======================================================================
+
+(let ((le (find-engine 'html)))
+ ;;----------------------------------------------------------------------
+ ;; Customizations
+ ;;----------------------------------------------------------------------
+ (engine-custom-set! le 'html-variant "html4")
+ (engine-custom-set! le 'html4-logo "http://www.w3.org/Icons/valid-html401")
+ (engine-custom-set! le 'html4-validator "http://validator.w3.org/check/referer")
+
+ ;;----------------------------------------------------------------------
+ ;; &html-html ...
+ ;;----------------------------------------------------------------------
+ (markup-writer '&html-html le
+ :before "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">
+<html>\n"
+ :after "</html>")
+
+ ;;----------------------------------------------------------------------
+ ;; &html-ending
+ ;;----------------------------------------------------------------------
+ (let* ((img (engine-custom le 'html4-logo))
+ (url (engine-custom le 'html4-validator))
+ (bottom (list (hrule)
+ (table :width 100.
+ (tr
+ (td :align 'left
+ (font :size -1 [
+ This ,(sc "Html") page has been produced by
+ ,(ref :url (skribe-url) :text "Skribe").
+ ,(linebreak)
+ Last update ,(it (date)).]))
+ (td :align 'right :valign 'top
+ (ref :url url
+ :text (image :url img :width 88 :height 31))))))))
+ (markup-writer '&html-ending le
+ :before "<div class=\"skribe-ending\">"
+ :action (lambda (n e)
+ (let ((body (markup-body n)))
+ (if body
+ (output body #t)
+ (skribe-eval bottom e))))
+ :after "</div>\n"))
+
+ ;;----------------------------------------------------------------------
+ ;; color ...
+ ;;----------------------------------------------------------------------
+ (markup-writer 'color le
+ :options '(:bg :fg :width :margin)
+ :before (lambda (n e)
+ (let ((m (markup-option n :margin))
+ (w (markup-option n :width))
+ (bg (markup-option n :bg))
+ (fg (markup-option n :fg)))
+ (when bg
+ (display "<table cellspacing=\"0\"")
+ (html-class n)
+ (printf " cellpadding=\"~a\"" (if m m 0))
+ (if w (printf " width=\"~a\"" (html-width w)))
+ (display "><tbody>\n<tr>")
+ (display "<td bgcolor=\"")
+ (output bg e)
+ (display "\">"))
+ (when fg
+ (display "<span style=\"color:")
+ (output fg e)
+ (display ";\">"))))
+ :after (lambda (n e)
+ (when (markup-option n :fg)
+ (display "</span>"))
+ (when (markup-option n :bg)
+ (display "</td></tr>\n</tbody></table>"))))
+
+ ;;----------------------------------------------------------------------
+ ;; font ...
+ ;;----------------------------------------------------------------------
+ (markup-writer 'font le
+ :options '(:size :face)
+ :before (lambda (n e)
+ (let ((face (markup-option n :face))
+ (size (let ((sz (markup-option n :size)))
+ (cond
+ ((or (unspecified? sz) (not sz))
+ #f)
+ ((and (number? sz) (or (inexact? sz) (negative? sz)))
+ (format "~a%"
+ (+ 100
+ (* 20 (inexact->exact (truncate sz))))))
+ ((number? sz)
+ sz)
+ (else
+ (skribe-error 'font
+ (format "Illegal font size ~s" sz)
+ n))))))
+ (display "<span ")
+ (html-class n)
+ (display "style=\"")
+ (if size (printf "font-size: ~a; " size))
+ (if face (printf "font-family:'~a'; " face))
+ (display "\">")))
+ :after "</span>")
+
+ ;;----------------------------------------------------------------------
+ ;; paragraph ...
+ ;;----------------------------------------------------------------------
+ (copy-markup-writer 'paragraph le
+ :validate (lambda (n e)
+ (let ((pred (lambda (x)
+ (and (container? x)
+ (not (memq (markup-markup x) '(font color)))))))
+ (not (any pred (find-children n))))))
+
+ ;;----------------------------------------------------------------------
+ ;; roman ...
+ ;;----------------------------------------------------------------------
+ (markup-writer 'roman le
+ :before "<span style=\"font-family: serif\">"
+ :after "</span>")
+
+ ;;----------------------------------------------------------------------
+ ;; table ...
+ ;;----------------------------------------------------------------------
+ (let ((old-writer (markup-writer-get 'table le)))
+ (copy-markup-writer 'table le
+ :validate (lambda (n e)
+ (not (null? (markup-body n))))))
+)