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Re: [Chicken-users] web-scheme & hart
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From: |
Mario Domenech Goulart |
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Subject: |
Re: [Chicken-users] web-scheme & hart |
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Date: |
05 Mar 2008 23:29:19 -0300 |
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User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.4 |
Hi Robin,
On Wed, 5 Mar 2008 17:45:42 -0800 Robin Lee Powell <address@hidden> wrote:
> It seems to me that web-scheme and hart do more-or-less the same
> thing. Unfortunetaly, I have no easy way to verify that because
> there are no examples at
> http://www.call-with-current-continuation.org/eggs/web-scheme.html
> and the exmaples it links to are 404.
>
> So:
>
> 1. Can someone fix the examples link?
Sure. Thanks for reporting this. I've fixed the wiki page. You can
find the examples at http://schemers.ucpel.tche.br/mario/examples
(they are pretty old and silly -- not to mention they are awfully
ugly).
> 2. What's the difference between web-scheme and hart? Do people
> have preferences between the two?
I don't know much about hart. I think Graham can write about it.
Regarding to web-scheme, it's basically a bunch of procedures
implemented after HTML tags and some [hopefully] useful procedures,
macros and parameters for HTML generation.
For example,
(p 'align "center" "Hello!")
would generate the string
"<p align=\"center\">Hello!</p>\n"
Another one (which generates more things):
(ws:page (ws:make-table '((1 2 3) (4 5 6))))
generates
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"
\"http://www.w3.org/TR/html4/strict.dtd\";>\n<html><head><meta
http-equiv=\"Content-Type\" content=\"text/html;
charset=iso-8859-1\">\n<title></title>\n</head>\n<body><table><tr><td>1</td>\n<td>2</td>\n<td>3</td>\n</tr>\n<tr><td>4</td>\n<td>5</td>\n<td>6</td>\n</tr>\n</table>\n</body>\n</html>\n"
There's a spiffy module which handles web-scheme pages:
http://chicken.wiki.br/spiffy#web-scheme-handler
Here's what I use to associate .ws files to the web-scheme handler:
(use spiffy web-scheme web-scheme-handler)
(spiffy-file-ext-handlers `(("ws" . ,web-scheme-handler)))
Hope it helps.
Best wishes,
Mario