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fernflower/src/org/jetbrains/java/decompiler/util/TextUtil.java

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2.2 KiB

/*
* Copyright 2000-2016 JetBrains s.r.o.
*
* 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.jetbrains.java.decompiler.util;
import org.jetbrains.java.decompiler.main.ClassesProcessor;
import org.jetbrains.java.decompiler.main.DecompilerContext;
import org.jetbrains.java.decompiler.main.TextBuffer;
import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences;
import org.jetbrains.java.decompiler.modules.decompiler.ExprProcessor;
public class TextUtil {
public static void writeQualifiedSuper(TextBuffer buf, String qualifier) {
ClassesProcessor.ClassNode classNode = (ClassesProcessor.ClassNode)DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE);
if (!qualifier.equals(classNode.classStruct.qualifiedName)) {
buf.append(DecompilerContext.getImportCollector().getShortName(ExprProcessor.buildJavaClassName(qualifier))).append('.');
}
buf.append("super");
}
public static String getIndentString(int length) {
if (length == 0) return "";
StringBuilder buf = new StringBuilder();
String indent = (String)DecompilerContext.getProperty(IFernflowerPreferences.INDENT_STRING);
while (length-- > 0) {
buf.append(indent);
}
return buf.toString();
}
public static boolean isPrintableUnicode(char c) {
int t = Character.getType(c);
return t != Character.UNASSIGNED && t != Character.LINE_SEPARATOR && t != Character.PARAGRAPH_SEPARATOR &&
t != Character.CONTROL && t != Character.FORMAT && t != Character.PRIVATE_USE && t != Character.SURROGATE;
}
public static String charToUnicodeLiteral(int value) {
String sTemp = Integer.toHexString(value);
sTemp = ("0000" + sTemp).substring(sTemp.length());
return "\\u" + sTemp;
}
}