From 8ea9fc44fb76060010356324d3bb94ca2e365cc5 Mon Sep 17 00:00:00 2001
From: Matthias Benkard <code@mail.matthias.benkard.de>
Date: Mon, 28 May 2007 16:52:54 +0200
Subject: Beginnings of a CGI web journal.

darcs-hash:69ce37acf510a840750e060433eaa72e64dfc6a1
---
 journal.cgi        |  3 +++
 journal.lisp       | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 make-core-image.sh | 12 +++++++++
 3 files changed, 92 insertions(+)
 create mode 100755 journal.cgi
 create mode 100755 journal.lisp
 create mode 100755 make-core-image.sh

diff --git a/journal.cgi b/journal.cgi
new file mode 100755
index 0000000..96e46d9
--- /dev/null
+++ b/journal.cgi
@@ -0,0 +1,3 @@
+#! /bin/sh
+DIR=`dirname "$0"`
+exec clisp -M "$DIR/lispinit.mem.gz" "$DIR/journal.lisp" "$@"
diff --git a/journal.lisp b/journal.lisp
new file mode 100755
index 0000000..9bc71e6
--- /dev/null
+++ b/journal.lisp
@@ -0,0 +1,77 @@
+#! /usr/bin/env clisp
+;;;; -*- coding: utf-8; mode: lisp -*-
+;;;; Copyright 2007, Matthias Andreas Benkard.
+
+
+;;; TAKE NOTICE: If you want to run this script from the command line or
+;;; from a web server, be sure to use a core image including the systems
+;;; this script depends upon.  The DEFSYSTEM form below has mainly been
+;;; written for purposes of documentation.
+(asdf:defsystem #:mulk.journal
+  :description "Matthias Benkard's simple web journal engine"
+  :licence     "Affero General Public License, version 1 or higher"
+  :depends-on  (#:cl-ppcre #:cl-fad #:iterate #:cl-markdown #:parenscript
+                #:yaclml #:lisp-cgi-utils))
+
+
+;;; The following does not generally work in a CGI setting because of
+;;; security restrictions.  Loading all the dependencies individually
+;;; rather than using a core image would certainly be too slow for any
+;;; serious CGI usage, anyway, so what the heck.
+#+nil (asdf:oos 'asdf:load-op '#:mulk.journal)
+
+
+(defpackage #:mulk.journal
+  (:nicknames #:journal)
+  (:use #:cl #:fad #:iterate #:markdown #:yaclml #:http))
+
+(in-package #:mulk.journal)
+
+
+(defun keywordify (thing)
+  (if (null thing)
+      thing
+      (intern (etypecase thing
+                (string (string-upcase thing))
+                (symbol (symbol-name   thing)))
+              '#:keyword)))
+
+
+(defparameter *query*
+  (mapcan #'(lambda (param)
+              (list (keywordify param)
+                    (http-query-parameter param)))
+          (http-query-parameter-list))
+  "The HTTP query string transformed into a property list.")
+
+(defparameter *action*
+  (keywordify (getf *query* :action))
+  "One of NIL, :INDEX, :VIEW, :POST, :EDIT, and :PREVIEW.")
+
+(defparameter *entry-number*
+  (parse-integer (getf *query* :entry "")
+                 :junk-allowed t  #|| :radix 12 ||#)
+  "The identification number of the blog entry to be acted upon.
+   May be NIL.")
+
+(defparameter *method*
+  (keywordify (gethash "REQUEST_METHOD" (http-get-env-vars)))
+  "One of :GET, :POST, :PUT, and :DELETE.")
+
+
+(http-add-header "Content-type" "text/html; charset=UTF-8")
+(http-send-headers)
+
+
+(<:html
+ (<:body
+  (loop for (x . y) in `(("Action" . ,*action*)
+                         ("Request method" . ,*method*)
+                         ("Query" . ,*query*)
+                         ("Query string" . ,(http-get-query-string))
+                         ("Environment" . ,(http-get-env-vars)))
+        do (<:p
+            (<:hr)
+            (<:h2 (<:as-html x))
+            (<:p "Type " (<:em (<:as-html (type-of y))) ".")
+            (<:pre (<:as-html (prin1-to-string y)))))))
diff --git a/make-core-image.sh b/make-core-image.sh
new file mode 100755
index 0000000..d396b48
--- /dev/null
+++ b/make-core-image.sh
@@ -0,0 +1,12 @@
+#! /bin/sh
+clisp -q -q -on-error exit <<EOF
+(dolist (system '(:cl-ppcre :cl-fad :iterate :cl-markdown :parenscript
+                  :yaclml :lisp-cgi-utils))
+  (clc:clc-require system))
+(saveinitmem "lispinit.mem")
+(quit)
+EOF
+
+if [ x$? = x0 ]; then
+    gzip -f lispinit.mem
+fi
-- 
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