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;; encoder.cljs - network encodings for gnunet-web website
;; Copyright (C) 2014,2015 David Barksdale <amatus@amatus.name>
;;
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU 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 General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
(ns gnunet-web.encoder
(:require [goog.crypt :as gcrypt]))
(defn encode-uint8
[x]
[(bit-and 0xff x)])
(defn encode-uint16
[x]
(concat
(encode-uint8 (bit-shift-right x 8))
(encode-uint8 x)))
(defn encode-uint32
[x]
(concat
(encode-uint16 (bit-shift-right x 16))
(encode-uint16 x)))
(defn encode-uint64
[[msw lsw]]
(concat
(encode-uint32 msw)
(encode-uint32 lsw)))
(defn encode-utf8
[x]
(concat
(gcrypt/stringToUtf8ByteArray x)
[0]))
(def encode-absolute-time encode-uint64)
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