| /******************************************************************************* |
| * Copyright (c) 2014 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Matthew Khouzam - Initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.internal.ctf.core.event.types; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.jdt.annotation.NonNullByDefault; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.tracecompass.ctf.core.event.scope.IDefinitionScope; |
| import org.eclipse.tracecompass.ctf.core.event.types.AbstractArrayDefinition; |
| import org.eclipse.tracecompass.ctf.core.event.types.CompoundDeclaration; |
| import org.eclipse.tracecompass.ctf.core.event.types.Definition; |
| import org.eclipse.tracecompass.ctf.core.event.types.IntegerDeclaration; |
| import org.eclipse.tracecompass.ctf.core.event.types.IntegerDefinition; |
| |
| import com.google.common.base.Joiner; |
| import com.google.common.collect.ImmutableList; |
| |
| /** |
| * A fixed length string definition |
| * |
| * @author Matthew Khouzam |
| */ |
| @NonNullByDefault |
| public final class ByteArrayDefinition extends AbstractArrayDefinition { |
| |
| private final byte[] fContent; |
| private transient @Nullable List<Definition> fDefs; |
| |
| /** |
| * An fixed length string declaration, it's created by sequence or array |
| * defintions |
| * |
| * @param declaration |
| * the declaration |
| * @param definitionScope |
| * the definition scope |
| * @param fieldName |
| * the field name |
| * @param content |
| * the string content |
| */ |
| public ByteArrayDefinition(CompoundDeclaration declaration, |
| @Nullable IDefinitionScope definitionScope, |
| String fieldName, |
| byte[] content) { |
| super(declaration, definitionScope, fieldName); |
| fContent = content; |
| |
| } |
| |
| @Override |
| public int getLength() { |
| return fContent.length; |
| } |
| |
| @Override |
| public synchronized List<Definition> getDefinitions() { |
| List<Definition> defs = fDefs; |
| if (defs == null) { |
| ImmutableList.Builder<Definition> builder = new ImmutableList.Builder<>(); |
| for (int i = 0; i < fContent.length; i++) { |
| IntegerDeclaration charDecl = IntegerDeclaration.UINT_8_DECL; |
| String fieldName = getFieldName() + '[' + i + ']'; |
| byte fieldValue = fContent[i]; |
| builder.add(new IntegerDefinition(charDecl, getDefinitionScope(), fieldName, fieldValue)); |
| } |
| fDefs = builder.build(); |
| return fDefs; |
| } |
| |
| return defs; |
| } |
| |
| @Override |
| public String toString() { |
| if (((CompoundDeclaration) getDeclaration()).isString()) { |
| /* |
| * the string is a byte array and may contain more than the string |
| * plus a null char, this will truncate it back to a null char |
| */ |
| int pos = -1; |
| for (int i = 0; i < fContent.length; i++) { |
| if (fContent[i] == 0) { |
| pos = i; |
| break; |
| } |
| } |
| byte[] bytes = (pos != -1) ? (Arrays.copyOf(fContent, pos)) : fContent; |
| return new String(bytes); |
| } |
| StringBuilder b = new StringBuilder(); |
| b.append('['); |
| Joiner.on(", ").appendTo(b, Arrays.asList(fContent)); //$NON-NLS-1$ |
| b.append(']'); |
| return b.toString(); |
| } |
| |
| /** |
| * Get a byte of the byte array |
| * @param index the index of the byte |
| * |
| * @return the byte |
| */ |
| public byte getByte(int index) { |
| return fContent[index]; |
| } |
| } |