org.aesh.utils.InfoCmpHelper Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
* Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.aesh.utils;
import org.aesh.terminal.tty.Capability;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* @author Ståle W. Pedersen
*/
public class InfoCmpHelper {
private static boolean initialized = false;
private static Set bools = new HashSet<>();
private static Map ints = new HashMap<>();
private static Map strings = new HashMap<>();
public static int[] getCurrentTranslatedCapabilityAsInts(String cap, int[] defaultValue) {
if(Config.isWindows())
return defaultValue;
else {
String s = getCurrentTranslatedCapability(cap, new String(defaultValue, 0, defaultValue.length));
if (s.length() == 0)
return defaultValue;
return s.codePoints().toArray();
}
}
public static String getCurrentTranslatedCapability(String cap, String defaultValue) {
try {
if (!initialized) {
String term = System.getenv("TERM");
if (term == null) {
term = "xterm-256color";
}
String infocmp = InfoCmp.getInfoCmp(term);
InfoCmp.parseInfoCmp(infocmp, bools, ints, strings);
initialized = true;
}
Capability capability = Capability.byName(cap);
if (capability != null) {
String capStr = strings.get(capability);
if (capStr != null) {
StringWriter sw = new StringWriter();
Curses.tputs(sw, capStr);
return sw.toString();
}
}
}
catch (Exception e) {
// Ignore
}
return defaultValue;
}
}