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Diffstat (limited to 'guix/web/util.scm')
-rw-r--r-- | guix/web/util.scm | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/guix/web/util.scm b/guix/web/util.scm new file mode 100644 index 0000000..396f4ee --- /dev/null +++ b/guix/web/util.scm @@ -0,0 +1,43 @@ +;;; guix-web - Web interface for GNU Guix +;;; Copyright © 2014 David Thompson <davet@gnu.org> +;;; +;;; This program is free software: you can redistribute it and/or +;;; modify it under the terms of the GNU Affero General Public License +;;; as published by the Free Software Foundation, either version 3 of +;;; the License, or (at your option) any later version. +;;; +;;; This program is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +;;; Affero General Public License for more details. +;;; +;;; You should have received a copy of the GNU Affero General Public +;;; License along with this program. If not, see +;;; <http://www.gnu.org/licenses/>. + +(define-module (guix web util) + #:use-module (ice-9 match) + #:use-module (srfi srfi-1) + #:use-module (web request) + #:use-module (web uri) + #:export (parse-query-string + request-path-components + file-extension + directory?)) + +(define (parse-query-string query) + "Parse and decode the URI query string QUERY and return an alist." + (let lp ((lst (map uri-decode (string-split query (char-set #\& #\=))))) + (match lst + ((key value . rest) + (cons (cons key value) (lp rest))) + (() '())))) + +(define (request-path-components request) + (split-and-decode-uri-path (uri-path (request-uri request)))) + +(define (file-extension file-name) + (last (string-split file-name #\.))) + +(define (directory? filename) + (string=? filename (dirname filename))) |