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;; Copyright (c) Eduardo Julian. All rights reserved.
;; This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
;; If a copy of the MPL was not distributed with this file,
;; You can obtain one at http://mozilla.org/MPL/2.0/.
(ns lux.compiler.package
(:require [clojure.core.match :as M :refer [matchv]]
clojure.core.match.array
(lux [base :as & :refer [|let |do return* return fail fail*]]
[host :as &host])
(lux.compiler [base :as &&]))
(:import (java.io File
FileInputStream
FileOutputStream
BufferedInputStream)
(java.util.jar Manifest
Attributes$Name
JarEntry
JarOutputStream
)))
;; [Utils]
(def ^:private kilobyte 1024)
(defn ^:private manifest [^String module]
"(-> Text Manifest)"
(doto (new Manifest)
(-> .getMainAttributes (doto (.put Attributes$Name/MAIN_CLASS (str (&host/->module-class module) "._"))
(.put Attributes$Name/MANIFEST_VERSION "1.0")))))
(defn ^:private write-class! [^String path ^File file ^JarOutputStream out]
"(-> Text File JarOutputStream Unit)"
;; (prn 'write-class! path file)
(with-open [in (new BufferedInputStream (new FileInputStream file))]
(let [buffer (byte-array (* 10 kilobyte))]
(doto out
(.putNextEntry (new JarEntry (str path "/" (.getName file))))
(-> (.write buffer 0 bytes-read)
(->> (when (not= -1 bytes-read))
(loop [bytes-read (.read in buffer)])))
(.flush)
(.closeEntry)
))
))
(let [output-dir-size (.length &&/output-dir)]
(defn ^:private write-module! [^File file ^JarOutputStream out]
"(-> File JarOutputStream Unit)"
(let [module-name (.substring (.getPath file) output-dir-size) ;; (.getName file)
;; _ (prn 'write-module! module-name file (.getPath file) (.substring (.getPath file) output-dir-size))
inner-files (.listFiles file)
inner-modules (filter #(.isDirectory %) inner-files)
inner-classes (filter #(not (.isDirectory %)) inner-files)]
(doseq [$class inner-classes]
(write-class! module-name $class out))
(doseq [$module inner-modules]
(write-module! $module out)))))
;; [Resources]
(defn package [module]
"(-> Text (,))"
;; (prn 'package module)
(with-open [out (new JarOutputStream (->> &&/output-package (new File) (new FileOutputStream)) (manifest module))]
(doseq [$group (.listFiles (new File &&/output-dir))]
(write-module! $group out))
))
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