Araneida and HTML Generation
From: David Douthitt (ssrat_at_mailbag.com)
Date: 07/22/04
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Date: Thu, 22 Jul 2004 16:57:01 -0500
I'm utilizing the Araneida Web Server on a Linux/x86 system with SBCL
and pgsql.lisp. The docs describe a way to generate HTML, but the
examples all fail, and examples/main.lisp does not exist.
Running the example given in the Araneida docs page gives the following
output in SBCL:
-----------------------------------------------------
* (html
(head (title "Title"))
(body (p "Click here to visit ((a :href "http://www.google.com/")
"Google"))))
debugger invoked on a SB-KERNEL:READER-PACKAGE-ERROR in thread 6419:
READER-ERROR on #<SYNONYM-STREAM :SYMBOL SB-SYS:*STDIN* {5035259}>:
package "HTTP" not found
You can type HELP for debugger help, or (SB-EXT:QUIT) to exit from SBCL.
restarts (invokable by number or by possibly-abbreviated name):
0: [ABORT ] Reduce debugger level (leaving debugger, returning to
toplevel).
1: [TOPLEVEL] Restart at toplevel READ/EVAL/PRINT loop.
(SB-IMPL::READ-TOKEN 2 #<SYNONYM-STREAM :SYMBOL SB-SYS:*STDIN*
{5035259}> #\h)[:EXTERNAL]
-----------------------------------------------------
I'm new to any serious LISP programming so I'm not sure where to go
next. I have also tried using lml2, but when I got it running, I tried
the example from the web site, and get this:
-----------------------------------------------------
* (html
(:i "The square of the first five integers are: )"
(:b
(loop as x from 1 to 5
doing
(lml-format " ~D" (* x x))))
)
)
; in: LAMBDA NIL
; (LML-FORMAT " ~D" (* X X))
;
; caught STYLE-WARNING:
; undefined function: LML-FORMAT
;
; caught STYLE-WARNING:
; This function is undefined:
; LML-FORMAT
;
; compilation unit finished
; caught 2 STYLE-WARNING conditions
debugger invoked on a UNDEFINED-FUNCTION in thread 27973:
The function LML-FORMAT is undefined.
You can type HELP for debugger help, or (SB-EXT:QUIT) to exit from SBCL.
restarts (invokable by number or by possibly-abbreviated name):
0: [ABORT ] Reduce debugger level (leaving debugger, returning to
toplevel).
1: [TOPLEVEL] Restart at toplevel READ/EVAL/PRINT loop.
(SB-KERNEL::UNDEFINED-FUN-ERROR-HANDLER
4
#<unavailable argument>
#.(SB-SYS:INT-SAP #X40382A20)
#<SB-ALIEN-INTERNALS:ALIEN-VALUE :SAP #X40382720 :TYPE (*
(STRUCT
SB-VM::OS-CONTEXT-T-STRUCT))>
(14))[:EXTERNAL]
0]
-----------------------------------------------------
Note that I had to add two more parenthesis to make it "work." I then
tried (use-package) but I get this:
-----------------------------------------------------
* (use-package :lml2)
debugger invoked on a SIMPLE-ERROR in thread 27973:
Using package LISP-MARKUP-LANGUAGE-2 results in name conflicts for
these symbols:
(LML-FORMAT HTML)
You can type HELP for debugger help, or (SB-EXT:QUIT) to exit from SBCL.
restarts (invokable by number or by possibly-abbreviated name):
0: [CONTINUE] Unintern the conflicting symbols in the
COMMON-LISP-USER package.
1: [ABORT ] Reduce debugger level (leaving debugger, returning to
toplevel).
2: [TOPLEVEL] Restart at toplevel READ/EVAL/PRINT loop.
("hairy arg processor for top level local call USE-PACKAGE"
:LML2
#<PACKAGE "COMMON-LISP-USER">)
0]
-----------------------------------------------------
I feel more than a little blind here. How do I get this HTML generation
to work from Araneida? If you're feeling generous, how do I then
connect the HTML output to a server response? The docs that came with
Araneida are rather obtuse and tell you several times to "read the code"
- which doesn't help me.
Thanks!
David Douthitt
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