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;*=====================================================================*/
;* serrano/prgm/project/skribe/src/bigloo/xml.scm */
;* ------------------------------------------------------------- */
;* Author : Manuel Serrano */
;* Creation : Mon Sep 1 12:08:39 2003 */
;* Last change : Mon May 17 10:14:24 2004 (serrano) */
;* Copyright : 2003-04 Manuel Serrano */
;* ------------------------------------------------------------- */
;* XML fontification */
;*=====================================================================*/
;*---------------------------------------------------------------------*/
;* The module */
;*---------------------------------------------------------------------*/
(module skribe_xml
(include "new.sch")
(import skribe_types
skribe_lib
skribe_resolve
skribe_eval
skribe_api
skribe_param
skribe_source)
(export xml))
;*---------------------------------------------------------------------*/
;* xml ... */
;*---------------------------------------------------------------------*/
(define xml
(new language
(name "xml")
(fontifier xml-fontifier)
(extractor #f)))
;*---------------------------------------------------------------------*/
;* xml-fontifier ... */
;*---------------------------------------------------------------------*/
(define (xml-fontifier s)
(let ((g (regular-grammar ()
((: #\; (in "<!--") (* (or all #\Newline)) "-->")
;; italic comments
(let ((str (split-string-newline (the-string))))
(append (map (lambda (s)
(if (eq? s 'eol)
"\n"
(new markup
(markup '&source-line-comment)
(body s))))
str)
(ignore))))
((+ (or #\Newline #\Space))
;; separators
(let ((str (the-string)))
(cons str (ignore))))
((or (: #\< (+ (out #\> #\space #\tab #\Newline))) #\>)
;; markup
(let ((str (the-string)))
(let ((c (new markup
(markup '&source-module)
(body (the-string)))))
(cons c (ignore)))))
((+ (out #\< #\> #\Space #\Tab #\= #\"))
;; regular text
(let ((string (the-string)))
(cons string (ignore))))
((or (: "\"" (* (or (out #a000 #\\ #\") (: #\\ all))) "\"")
(: "\'" (* (or (out #a000 #\\ #\') (: #\\ all))) "\'"))
;; strings
(let ((str (split-string-newline (the-string))))
(append (map (lambda (s)
(if (eq? s 'eol)
"\n"
(new markup
(markup '&source-string)
(body s))))
str)
(ignore))))
((in "\"=")
(let ((str (the-string)))
(cons str (ignore))))
(else
(let ((c (the-failure)))
(if (eof-object? c)
'()
(error "source(xml)" "Unexpected character" c)))))))
(with-input-from-string s
(lambda ()
(read/rp g (current-input-port))))))
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