viewcvs.cgi/web/site.cd

(* This CDuce script produces CDuce web site. *)


include "xhtml-strict.cd";;  (* XHTML 1 Strict DTD *)
include "xhtml-categ.cd";;   (* Categories (Inline, ...) from this DTD *)


let fun load_include (String -> [Any*])
 name ->
   let _ = print [ 'Loading ' !name '... \n' ] in
   xtransform [ (load_xml name) ] with 
     <include file=(s & String)>[] -> load_include s;; 


let fun hilight (String -> [ (Char | Xvar)* ] )
 | [ '{{' h ::(Char *?) '}}' ; rest ] -> [ <var class="hilight">h; hilight rest ]
 | [ c; rest ] -> [ c; hilight rest ]
 | [] -> [];;


type SitePage = 
   Page
 | <external {|href=String; title=String|}>[];;
type Site = <site>[ SitePage* ];;

type Page = 
  <page output=String>[
    <title>String
    <banner>[InlineText*]
    <navig>[ NavigBox* ] <main>[ Box* ] ];;

type Author = <author>String;;
type Paper = 
  <paper file=?String>[ 
    <title>String 
    Author+ 
    <comment>[InlineText*] 
    <abstract>Content ];;

type Slides = 
  <slides file=String>[ 
   <title>String 
   Author+ 
   <comment>[InlineText*] ];;

type Link =
  <link url=String; title=String>[ InlineText* ];;

type Content =      
   [ ( <p {||}>[InlineText*]
     | <ul {||}>[<li {||}>Content +]
     | <section title=String>Content
     | <sample>String
     | Xtable
     | Paper | Slides | Link 
     | <include-verbatim file=String>[]
     | InlineText )* ];;

type InlineText =
     Char
   | <(`b|`i|`tt|`em) {||}>[InlineText*]
   | <duce>String
   | Xa
   | Ximg | Xbr ;;

type Box = <box title=String; subtitle=?String; link=String>Content
         | <meta>Content;;
type NavigBox = <box>Content | <toc>[];;

let fun authors ([Author+] -> String)
   | [ <author>a ] -> a
   | [ <author>a1 <author>a2 ] -> a1 @ ", and " @ a2
   | [ <author>a; rem ] -> a @ ", " @ authors rem;;

let fun text (t : [InlineText*]) : Inlines =
  map t with
   | <duce>x -> <b>[ <tt>(hilight x) ]
   | <(tag & (`b|`i|`tt|`em))>x -> <(tag)>(text x)
   | z -> z;;

let fun content (t : Content) : Flow =
  transform t with
   | <section title=title>c -> 
         [ <h4>title !(content c) ]
   | <paper (r)>[ <title>tit aut::Author* <comment>com <abstract>ab  ]  ->
         [ (match r with { file = f } -> <a href=f>tit | _ -> <b>tit) '. '
           !(authors aut) '. '
           !(text com)
           <div class="abstract">[ 'Abstract:' !(content ab) ]
         ]
   | <slides file=f>[ <title>tit aut::Author* <comment>com ]  ->
        [ <a href=f>tit '. ' !(authors aut) '. ' !(text com) ]
   | <include-verbatim file=f>[] ->
        [ <div class="code">[ <pre>(load_file f) ] ]
   | <sample>s ->
        [ <div class="code">[ <pre>(hilight s) ] ]
   | <link url=url; title=title>com -> 
        [ <a href=url>title '. ' !(text com) ]
   | <ul>lis -> 
        [ <ul>(map lis with <li>x -> <li>(content x)) ]
   | Xtable & x -> 
        [ x ]
   | <p>x -> [ <p>(text x) ]
   | x -> text [ x ];;

let fun main2html (Box -> Flow)
  <box (r)>c ->
   [ <div class="box">[
       <h2>(r . title)
        !(match r with { subtitle = t } -> [<b>t] | _ -> [])
       <a name=r . link>[] 
       !(content c)  ] ]
| <meta>c -> [ <div class="meta">(content c) ];;


(* Ugly hack to introduce PHP code ...
   The idea is to produce first an XML document with a distinguished element.
   The function patch_css search for the textual representation of this
   element and replace it with the PHP code. *)

let php_css : String =
[' <?php
$browser = getenv("HTTP_USER_AGENT");
if (preg_match("/MSIE/i", "$browser")) {
        $css = "<link rel=\\"stylesheet\\" href=\\"cduce.css\\"
type=\\"text/css\\">";
} elseif (preg_match("/Mozilla/i", "$browser")) {
        $css = "<blink>For better presentation use a more recent version
of your browser, like Netscape 6</blink>";
} if (preg_match("/Mozilla\\/5.0/i", "$browser")) {
        $css = "<link rel=\\"stylesheet\\" href=\\"cduce.css\\"
type=\\"text/css\\">";
} elseif  (preg_match("/opera/i", "$browser")) {
        $css = "<link rel=\\"stylesheet\\" href=\\"cduce.css\\"
type=\\"text/css\\">";
}
echo "$css";
?> '];;


let fun patch_css (String -> String)
| [ a::_*? '<meta content="css"/>'; rem ] -> a @ php_css @ rem
| s -> s;;

let fun page2html (Page -> Xhtml)
<page>[ <title>title <banner>banner <navig>navig <main>main ] ->
 let toc = 
   transform main with <box title=t; link=l>_ -> [ <li>[ <a href=('#',l)>t ] ] in
 let toc = match toc with [] -> [] | lis -> [ <ul>lis ] in
 let navig : Flow = transform navig with
  | <box>c -> [ <div class="box">(content c) ]
  | <toc>[] -> [ <div class="box">toc ]
 in
 <html>[
  <head>[ 
   <title>title
   <meta content="text/html; charset=iso-8859-1"; http-equiv="Content-Type">[]
   <meta content="css">[]  (* Placeholder for PHP code *)
  ]
  <body>[ 
   <div class="title">[ <h1>(text banner) ]
   <div id="Sidelog">navig
   <div id="Content">(transform main with b -> main2html b)
  ]
 ];;

type P = (String,<title>String);;

let fun make_plan (l : [ P+ ]) : Page =
<page output="plan.php">[ 
  <title>"CDuce site"
  <banner>"CDuce site"
  <navig>[ <box>[ <a href="/">"Home" ] ]
  <main>[ 
    <box title="Pages"; link="pages">[
      <ul>(map l with (file,<title>t) -> <li>[<a href=file>t]) 
    ]
    <meta>[ 'This page was automatically generated by a CDuce program.' ]
  ]
];;

let fun do_page(Page -> P)
 <page output=outf>[ tit & <title>_; _ ] & page ->
    let _ = print [ 'Generating html... ' ] in
    let html : String = 
       [ (* '<?xml version="1.0" encoding="iso-8859-1"?>' *)
         '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"'
         '  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'
         !(patch_css (print_xml (page2html page))) ] in
    let _ = print [ 'Saving to ' !outf '...\n' ] in
    let _ = dump_to_file outf html in
    (outf, tit);;
 
let site =     
 match load_include "site.xml" with
 | [ Site & <site>s ] ->
     let ts = map s with 
             | Page & p -> do_page p
             | <external href=url; title=t>_ -> (url,<title>t) in
     let _ = print [ 'Create plan... ' ] in
     let plan = make_plan (ts @ [("plan.php", <title>"CDuce site")]) in
     let _ = do_page plan in
     []
 | _ -> raise "Invalid site.xml";;
1	abate	284	(* This CDuce script produces CDuce web site. *)
2
3
4	abate	258	include "xhtml-strict.cd";; (* XHTML 1 Strict DTD *)
5			include "xhtml-categ.cd";; (* Categories (Inline, ...) from this DTD *)
6	abate	250
7	abate	336
8			let fun load_include (String -> [Any*])
9			name ->
10			let _ = print [ 'Loading ' !name '... \n' ] in
11			xtransform [ (load_xml name) ] with
12			<include file=(s & String)>[] -> load_include s;;
13
14
15			let fun hilight (String -> [ (Char \| Xvar)* ] )
16			\| [ '{{' h ::(Char *?) '}}' ; rest ] -> [ <var class="hilight">h; hilight rest ]
17			\| [ c; rest ] -> [ c; hilight rest ]
18			\| [] -> [];;
19
20
21	abate	255	type SitePage =
22	abate	336	Page
23	abate	255	\| <external {\|href=String; title=String\|}>[];;
24			type Site = <site>[ SitePage* ];;
25	abate	253
26	abate	258	type Page =
27	abate	336	<page output=String>[
28	abate	258	<title>String
29			<banner>[InlineText*]
30			<navig>[ NavigBox* ] <main>[ Box* ] ];;
31	abate	250
32			type Author = <author>String;;
33			type Paper =
34	abate	258	<paper file=?String>[
35			<title>String
36			Author+
37			<comment>[InlineText*]
38			<abstract>Content ];;
39
40	abate	250	type Slides =
41	abate	258	<slides file=String>[
42			<title>String
43			Author+
44			<comment>[InlineText*] ];;
45	abate	250
46			type Link =
47	abate	258	<link url=String; title=String>[ InlineText* ];;
48	abate	250
49			type Content =
50			[ ( <p {\|\|}>[InlineText*]
51			\| <ul {\|\|}>[<li {\|\|}>Content +]
52			\| <section title=String>Content
53	abate	336	\| <sample>String
54	abate	256	\| Xtable
55	abate	258	\| Paper \| Slides \| Link
56			\| <include-verbatim file=String>[]
57			\| InlineText )* ];;
58	abate	250
59			type InlineText =
60			Char
61	abate	336	\| <(`b\|`i\|`tt\|`em) {\|\|}>[InlineText*]
62			\| <duce>String
63	abate	250	\| Xa
64	abate	258	\| Ximg \| Xbr ;;
65	abate	250
66			type Box = <box title=String; subtitle=?String; link=String>Content
67			\| <meta>Content;;
68			type NavigBox = <box>Content \| <toc>[];;
69
70			let fun authors ([Author+] -> String)
71			\| [ <author>a ] -> a
72			\| [ <author>a1 <author>a2 ] -> a1 @ ", and " @ a2
73			\| [ <author>a; rem ] -> a @ ", " @ authors rem;;
74
75	abate	254	let fun text (t : [InlineText*]) : Inlines =
76	abate	284	map t with
77	abate	336	\| <duce>x -> <b>[ <tt>(hilight x) ]
78			\| <(tag & (`b\|`i\|`tt\|`em))>x -> <(tag)>(text x)
79	abate	284	\| z -> z;;
80	abate	254
81	abate	250	let fun content (t : Content) : Flow =
82			transform t with
83	abate	284	\| <section title=title>c ->
84			[ <h4>title !(content c) ]
85	abate	250	\| <paper (r)>[ <title>tit aut::Author* <comment>com <abstract>ab ] ->
86	abate	284	[ (match r with { file = f } -> <a href=f>tit \| _ -> <b>tit) '. '
87	abate	250	!(authors aut) '. '
88	abate	254	!(text com)
89	abate	250	<div class="abstract">[ 'Abstract:' !(content ab) ]
90			]
91			\| <slides file=f>[ <title>tit aut::Author* <comment>com ] ->
92	abate	254	[ <a href=f>tit '. ' !(authors aut) '. ' !(text com) ]
93	abate	258	\| <include-verbatim file=f>[] ->
94	abate	284	[ <div class="code">[ <pre>(load_file f) ] ]
95	abate	336	\| <sample>s ->
96			[ <div class="code">[ <pre>(hilight s) ] ]
97	abate	284	\| <link url=url; title=title>com ->
98			[ <a href=url>title '. ' !(text com) ]
99			\| <ul>lis ->
100			[ <ul>(map lis with <li>x -> <li>(content x)) ]
101			\| Xtable & x ->
102			[ x ]
103	abate	254	\| <p>x -> [ <p>(text x) ]
104			\| x -> text [ x ];;
105	abate	250
106			let fun main2html (Box -> Flow)
107			<box (r)>c ->
108			[ <div class="box">[
109	abate	332	<h2>(r . title)
110	abate	250	!(match r with { subtitle = t } -> [<b>t] \| _ -> [])
111	abate	332	<a name=r . link>[]
112	abate	250	!(content c) ] ]
113			\| <meta>c -> [ <div class="meta">(content c) ];;
114
115
116	abate	284	(* Ugly hack to introduce PHP code ...
117			The idea is to produce first an XML document with a distinguished element.
118			The function patch_css search for the textual representation of this
119			element and replace it with the PHP code. *)
120
121	abate	261	let php_css : String =
122			[' <?php
123			$browser = getenv("HTTP_USER_AGENT");
124			if (preg_match("/MSIE/i", "$browser")) {
125	abate	322	$css = "<link rel=\\"stylesheet\\" href=\\"cduce.css\\"
126			type=\\"text/css\\">";
127	abate	261	} elseif (preg_match("/Mozilla/i", "$browser")) {
128			$css = "<blink>For better presentation use a more recent version
129			of your browser, like Netscape 6</blink>";
130	abate	322	} if (preg_match("/Mozilla\\/5.0/i", "$browser")) {
131			$css = "<link rel=\\"stylesheet\\" href=\\"cduce.css\\"
132			type=\\"text/css\\">";
133	abate	261	} elseif (preg_match("/opera/i", "$browser")) {
134	abate	322	$css = "<link rel=\\"stylesheet\\" href=\\"cduce.css\\"
135			type=\\"text/css\\">";
136	abate	261	}
137			echo "$css";
138			?> '];;
139
140
141			let fun patch_css (String -> String)
142			\| [ a::_*? '<meta content="css"/>'; rem ] -> a @ php_css @ rem
143			\| s -> s;;
144
145	abate	250	let fun page2html (Page -> Xhtml)
146			<page>[ <title>title <banner>banner <navig>navig <main>main ] ->
147			let toc =
148			transform main with <box title=t; link=l>_ -> [ <li>[ <a href=('#',l)>t ] ] in
149			let toc = match toc with [] -> [] \| lis -> [ <ul>lis ] in
150			let navig : Flow = transform navig with
151			\| <box>c -> [ <div class="box">(content c) ]
152			\| <toc>[] -> [ <div class="box">toc ]
153			in
154			<html>[
155			<head>[
156			<title>title
157			<meta content="text/html; charset=iso-8859-1"; http-equiv="Content-Type">[]
158	abate	284	<meta content="css">[] (* Placeholder for PHP code *)
159	abate	250	]
160			<body>[
161	abate	254	<div class="title">[ <h1>(text banner) ]
162	abate	250	<div id="Sidelog">navig
163			<div id="Content">(transform main with b -> main2html b)
164			]
165			];;
166
167	abate	255	type P = (String,<title>String);;
168	abate	284
169	abate	255	let fun make_plan (l : [ P+ ]) : Page =
170	abate	336	<page output="plan.php">[
171	abate	284	<title>"CDuce site"
172			<banner>"CDuce site"
173			<navig>[ <box>[ <a href="/">"Home" ] ]
174			<main>[
175			<box title="Pages"; link="pages">[
176			<ul>(map l with (file,<title>t) -> <li>[<a href=file>t])
177			]
178			<meta>[ 'This page was automatically generated by a CDuce program.' ]
179			]
180			];;
181	abate	255
182	abate	336	let fun do_page(Page -> P)
183			<page output=outf>[ tit & <title>_; _ ] & page ->
184			let _ = print [ 'Generating html... ' ] in
185	abate	253	let html : String =
186	abate	261	[ (* '<?xml version="1.0" encoding="iso-8859-1"?>' *)
187	abate	253	'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"'
188			' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'
189	abate	261	!(patch_css (print_xml (page2html page))) ] in
190	abate	253	let _ = print [ 'Saving to ' !outf '...\n' ] in
191	abate	336	let _ = dump_to_file outf html in
192			(outf, tit);;
193	abate	255
194	abate	253	let site =
195	abate	336	match load_include "site.xml" with
196			\| [ Site & <site>s ] ->
197	abate	255	let ts = map s with
198	abate	336	\| Page & p -> do_page p
199	abate	255	\| <external href=url; title=t>_ -> (url,<title>t) in
200			let _ = print [ 'Create plan... ' ] in
201	abate	261	let plan = make_plan (ts @ [("plan.php", <title>"CDuce site")]) in
202	abate	336	let _ = do_page plan in
203			[]
204	abate	253	\| _ -> raise "Invalid site.xml";;