LSP

LSP is copyright I/NET and is licensed under the MIT License. It was written by John Wiseman, who discusses it in this blog post.

Download ASDF package from http://lemonodor.com/code/lsp_1.1.tar.gz

LSP is designed to work with a separate web server library. The code comes with support for both the AllegroServe and Araneida servers, but it shouldn't be difficult to add support for other libraries (see lsp-aserve.lisp and lsp-allegroserve.lisp from the distribution for examples).

LSP itself should be portable ANSI Lisp code that will run in any Lisp implementation.

Example of publishing an LSP file:

(publish-lsp :path "/temperature.html"
             :file "/Users/wiseman/src/temperature.lsp"
             :server *my-server-or-http-listener*)

Example of an LSP file:

LSP Example

User Agent
<%=
  (:princ-safe (or (net.aserve:header-slot-value request
						 :user-agent)
		   "None."))
%>

Referrer
<%=
  (:princ-safe (or (net.aserve:header-slot-value request
						 :referer)
		   "None."))
%>

Query Variables

<%
(let ((queries (request-query request)))
  (if (null queries)
    (html (:tr (:td "None.")))
    (dolist (query queries)
      (html
       (:tr (:td (:princ-safe (car query)))
	    (:td (:princ-safe (cdr query))))))))
%>


Loop Of Dynamism

<% (dotimes (i (+ (random 10) 1)) %>
  Hi!

<% ) %>

CL-EMB uses some code from LSP, but does more. However, it requires passing the "environment" as a plist to the rendering function. See the README for CL-EMB.

Hunchentoot LSP is a port of LSP that target the Hunchentoot webserver

See http://sourceforge.net/projects/lsp for a more serious attempt at doing this right, by Sunil Mishra and Tim Bradshaw.

This page is linked from: Hunchentoot LSP  

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