Created
December 2, 2018 21:09
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simple Jline3 clojure demo
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(ns jline3.demo | |
(:gen-class) | |
(:import (org.jline.terminal TerminalBuilder Terminal$SignalHandler Terminal) | |
(org.jline.reader LineReaderBuilder LineReader LineReader$Option) | |
(org.jline.reader.impl LineReaderImpl) | |
(org.jline.utils InfoCmp$Capability))) | |
(defn new-terminal | |
"creates new JLine3 Terminal. | |
returns terminal object" | |
^Terminal [term-name] | |
(let [terminal (-> (TerminalBuilder/builder) | |
(.system true) | |
(.name term-name) | |
(.encoding "UTF-8") | |
(.signalHandler (Terminal$SignalHandler/SIG_IGN)) | |
(.build))] | |
terminal)) | |
(defn new-line-reader | |
"creates new terminal line reader. | |
returns ^LineReader object." | |
^LineReader [terminal] | |
(let [line-reader (-> (LineReaderBuilder/builder) | |
(.terminal terminal) | |
(.build))] | |
line-reader)) | |
(defn -main | |
"entry point to program." | |
[& args] | |
(println "starting terminal...") | |
(let [t (new-terminal "jline demo") | |
prompt "prompt> " | |
lr (new-line-reader t) | |
continue? (atom true)] | |
(while @continue? | |
(let [line (.readLine lr prompt )] | |
(.redrawLine ^LineReaderImpl lr) | |
(when (= "quit" line) | |
(reset! continue? false)))))) |
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{:paths ["resources" "src"] | |
:extra-paths ["resources"] | |
:deps {org.clojure/clojure {:mvn/version "1.10.0-RC2"} | |
org.jline/jline {:mvn/version "3.9.0"}} | |
:aliases {:test {:extra-paths ["test"] | |
:extra-deps {org.clojure/test.check {:mvn/version "RELEASE"}}} | |
:build {:extra-deps {luchiniatwork/cambada {:mvn/version "1.0.0"}} | |
:main-opts ["--main" "cambada.uberjar" | |
"--main" "jline3.demo" | |
"--app-group-id" "com.middlesphere" | |
"--app-artifact-id" "jline3-demo" | |
"--app-version" "0.1" | |
"--aot" "jline3.demo" | |
"--no-copy-source"]} | |
:runner {:extra-deps {com.cognitect/test-runner | |
{:git/url "https://github.com/cognitect-labs/test-runner" | |
:sha "76568540e7f40268ad2b646110f237a60295fa3c"}} | |
:main-opts ["-m" "cognitect.test-runner" | |
"-d" "test"]}}} |
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