;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Aug 2002
;;;;
-;;;; $Id: downloads.lisp,v 1.1 2003/06/20 04:12:29 kevin Exp $
+;;;; $Id: downloads.lisp,v 1.6 2003/07/12 18:13:42 kevin Exp $
;;;;
-;;;; This file, part of LML2, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;; This file, part of LML2, is Copyright (c) 2000-2003 by Kevin Rosenberg.
+;;;; Rights of modification and redistribution are in the LICENSE file.
;;;;
-;;;; LML2 users are granted the rights to distribute and use this software
-;;;; as governed by the terms of the GNU General Public License v2
-;;;; (http://www.gnu.org/licenses/gpl.html)
;;;; *************************************************************************
(in-package #:lml2)
-(defvar *dl-base*)
-(defvar *dl-url*)
-(defvar *base-name*)
-(defvar *section-indent* 0)
-(defvar *signed* nil)
+(defstruct dl-data base url name indent signed)
-(defun list-files (files)
+(defun list-files (files dl-data)
"List files in a directory for downloading"
;;files.sort()
- (mapcar #'print-file files))
+ (mapcar (lambda (f) (print-file f dl-data)) files))
-(defun strip-dl-base (file)
+(defun strip-dl-base (file base)
(let ((fdir (pathname-directory file))
- (bdir (pathname-directory *dl-base*)))
+ (bdir (pathname-directory base)))
(make-pathname
:name (pathname-name file)
:type (pathname-type file)
(append '(:absolute)
(subseq fdir (length bdir) (length fdir)))))))
-(defun print-file (file)
+(defun print-file (file dl-data)
(let ((size 0)
(modtime (date-string (file-write-date file)))
(basename (namestring
(make-pathname :name (pathname-name file)
:type (pathname-type file))))
- (dl-name (strip-dl-base file))
+ (dl-name (strip-dl-base file (dl-data-base dl-data)))
(sig-path (concatenate 'string (namestring file) ".asc")))
(when (plusp (length basename))
(with-open-file (strm file :direction :input)
(setq size (round (/ (file-length strm) 1024))))
- (lml-format "<a href=\"~A~A\">~A</a>" *dl-url* dl-name basename)
+ (lml-format "<a href=\"~A~A\">~A</a>"
+ (dl-data-url dl-data) dl-name basename)
(lml-princ "<span class=\"modtime\">")
(lml-format " (~A, <b>~:D <span style=\"font-size:90%;\">KB</span></b>)</span>" modtime size)
(when (probe-file sig-path)
- (setq *signed* t)
- (lml-format " [<a href=\"~A~A.asc\">Signature</a>]" *dl-url* dl-name))
+ (setf (dl-data-signed dl-data) t)
+ (lml-format " [<a href=\"~A~A.asc\">Signature</a>]"
+ (dl-data-url dl-data) dl-name))
(html :br))))
(defun display-header (name url)
(lml-format "<h3>Browse ~A Download Site</h3>" name)
(lml-format "<a style=\"padding-left:20pt;\" href=\"~A\">~A</a>" url url))
-(defun display-footer ()
- (when *signed*
+(defun display-footer (dl-data)
+ (when (dl-data-signed dl-data)
(lml-princ "<h3>GPG Public Key</h3>")
(lml-princ "Use this <a href=\"https://www.b9.com/kevin.gpg.asc\">key</a> to verify file signtatures"))
(lml-princ "</div>"))
-(defun print-sect-title (title)
- (lml-format "<h~D>~A</h~D>" *section-indent* title *section-indent*))
+(defun print-sect-title (title dl-data)
+ (lml-format "<h~D>~A</h~D>"
+ (dl-data-indent dl-data) title (dl-data-indent dl-data)))
-(defun match-base-name? (name)
- (let ((len-base-name (length *base-name*)))
+(defun match-base-name? (name base-name)
+ (let ((len-base-name (length base-name)))
(when (>= (length name) len-base-name)
- (string= name *base-name* :end1 len-base-name :end2 len-base-name))))
+ (string= name base-name :end1 len-base-name :end2 len-base-name))))
-(defun match-base-name-latest? (name)
- (let* ((latest (concatenate 'string *base-name* "-latest"))
+(defun match-base-name-latest? (name base-name)
+ (let* ((latest (concatenate 'string base-name "-latest"))
(len-latest (length latest)))
(when (>= (length name) len-latest)
(string= name latest :end1 len-latest :end2 len-latest))))
-(defun filter-against-base (files)
- (delete-if-not #'(lambda (f) (match-base-name? (pathname-name f))) files))
+(defun filter-against-base (files base-name)
+ (delete-if-not
+ (lambda (f) (match-base-name? (pathname-name f) base-name))
+ files))
-(defun filter-latest (files)
- (delete-if #'(lambda (f) (match-base-name-latest? (pathname-name f))) files))
+(defun filter-latest (files base-name)
+ (delete-if
+ (lambda (f) (match-base-name-latest? (pathname-name f) base-name))
+ files))
(defun sort-pathnames (list)
- (sort list #'(lambda (a b) (string< (namestring a) (namestring b)))))
+ (sort list (lambda (a b) (string< (namestring a) (namestring b)))))
-(defun display-one-section (title pat)
- (let ((files (sort-pathnames (filter-latest
- (filter-against-base (directory pat))))))
+(defun display-one-section (title pat dl-data)
+ (let ((files (sort-pathnames
+ (filter-latest
+ (filter-against-base (directory pat) (dl-data-name dl-data))
+ (dl-data-name dl-data)))))
(when files
- (print-sect-title title)
+ (print-sect-title title dl-data)
(lml-princ "<div style=\"padding-left: 20pt;\">")
- (list-files files)
+ (list-files files dl-data)
(lml-princ "</div>"))))
-(defun display-sections (sects)
+(defun display-sections (sects dl-data)
(when sects
(let ((title (car sects))
(value (cadr sects)))
(if (consp title)
- (dolist (sect sects) (display-sections sect))
+ (dolist (sect sects)
+ (display-sections sect dl-data))
(if (consp value)
(progn
- (print-sect-title title)
- (incf *section-indent*)
- (display-sections value)
- (decf *section-indent*))
- (display-one-section title value))))))
+ (print-sect-title title dl-data)
+ (incf (dl-data-indent dl-data))
+ (display-sections value dl-data)
+ (decf (dl-data-indent dl-data)))
+ (display-one-section title value dl-data))))))
(defun display-page (pkg-name pkg-base dl-base dl-url sects)
- (let ((*section-indent* 3)
- (*dl-base* dl-base)
- (*dl-url* dl-url)
- (*base-name* pkg-base)
- (*signed* nil))
+ (let ((dl-data (make-dl-data :indent 3
+ :base dl-base
+ :url dl-url
+ :name pkg-base
+ :signed nil)))
(display-header pkg-name dl-url)
- (map nil #'display-sections sects)
- (display-footer)))
+ (dolist (sect sects)
+ (display-sections sect dl-data))
+ (display-footer dl-data)))
(defun std-dl-page (pkg-name pkg-base dl-base dl-url)
(let ((base (parse-namestring dl-base)))