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 1.3 2003/07/08 06:40:00 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-string "end" *apache-socket*)
48 (write-char #\NewLine *apache-socket*)
49 (write-string ,outstr *apache-socket*)
50 (force-output *apache-socket*)
51 (set-close-apache-socket nil))
53 (set-close-apache-socket t)
54 (finish-output *apache-socket*)))
57 (defun redirect-to-location (url)
58 (write-header-line "Status" "302 Redirect")
59 (write-header-line "Location" url)
60 (write-char #\NewLine *apache-socket*)
61 (set-close-apache-socket t))
63 (defun output-ml-page (format html)
64 (write-header-line "Status" "200 OK")
65 (write-header-line "Content-Type" (format-string format))
66 (write-header-line "Content-Length" (format nil "~d" (length html)))
67 (write-header-line "Keep-Socket" "1")
68 (write-string "end" *apache-socket*)
69 (write-char #\NewLine *apache-socket*)
70 (write-string html *apache-socket*)
71 (set-close-apache-socket nil))
73 (defun output-html-page (str)
74 (output-ml-page :html str))
76 (defun output-xml-page (str)
77 (output-ml-page :xml str))
79 (defun posted-to-alist (posted-string)
80 "Converts a posted string to an assoc list of variable names and values"
83 (dolist (name=val (kmrcl:delimited-string-to-list posted-string #\&)
85 (let ((name-val-list (kmrcl:delimited-string-to-list name=val #\=)))
86 (when (= 2 (length name-val-list))
87 (destructuring-bind (name val) name-val-list
88 (push (cons (kmrcl:ensure-keyword name)
89 (kmrcl:decode-uri-query-string val))