1 ;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: modlisp -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
6 ;;;; Purpose: Utility functions for modlisp package
7 ;;;; Programmer: Kevin M. Rosenberg
8 ;;;; Date Started: Dec 2002
10 ;;;; $Id: utils.lisp,v 1.4 2003/07/08 08:34:23 kevin Exp $
11 ;;;; *************************************************************************
13 (in-package #:modlisp)
15 (defun format-string (fmt)
22 (defmacro with-ml-page ((&key (format :html) (precompute t)) &body body)
29 (,precomp ,precompute)
31 (write-header-line "Status" "200 OK")
32 (write-header-line "Content-Type" (format-string ,fmt))
34 (write-string "end" *apache-socket*)
35 (write-char #\NewLine *apache-socket*))
37 (with-output-to-string (,stream)
38 (let ((*apache-socket* (if ,precomp
41 (setq ,result (progn ,@body)))))
44 (write-header-line "Content-Length"
45 (write-to-string (length ,outstr)))
46 (write-header-line "Keep-Socket" "1")
47 (write-header-line "Keep-Alive" "timeout=15, max=99")
48 (write-header-line "Connection" "Keep-Alive")
49 (write-string "end" *apache-socket*)
50 (write-char #\NewLine *apache-socket*)
51 (write-string ,outstr *apache-socket*)
52 (force-output *apache-socket*)
53 (set-close-apache-socket nil))
55 (set-close-apache-socket t)
56 (finish-output *apache-socket*)))
59 (defun redirect-to-location (url)
60 (write-header-line "Status" "302 Redirect")
61 (write-header-line "Location" url)
62 (write-char #\NewLine *apache-socket*)
63 (set-close-apache-socket t))
65 (defun output-ml-page (format html)
66 (write-header-line "Status" "200 OK")
67 (write-header-line "Content-Type" (format-string format))
68 (write-header-line "Content-Length" (format nil "~d" (length html)))
69 (write-header-line "Keep-Socket" "1")
70 (write-header-line "Keep-Alive" "timeout=15, max=99")
71 (write-header-line "Connection" "Keep-Alive")
72 (write-string "end" *apache-socket*)
73 (write-char #\NewLine *apache-socket*)
74 (write-string html *apache-socket*)
75 (set-close-apache-socket nil))
77 (defun output-html-page (str)
78 (output-ml-page :html str))
80 (defun output-xml-page (str)
81 (output-ml-page :xml str))
83 (defun posted-to-alist (posted-string)
84 "Converts a posted string to an assoc list of variable names and values"
87 (dolist (name=val (kmrcl:delimited-string-to-list posted-string #\&)
89 (let ((name-val-list (kmrcl:delimited-string-to-list name=val #\=)))
90 (when (= 2 (length name-val-list))
91 (destructuring-bind (name val) name-val-list
92 (push (cons (kmrcl:ensure-keyword name)
93 (kmrcl:decode-uri-query-string val))