| /******************************************************************************* |
| * Copyright (c) 2011 IBM Corporation and others. |
| * |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ui.synchronize; |
| |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.team.core.diff.DiffFilter; |
| import org.eclipse.team.core.diff.IDiff; |
| import org.eclipse.team.core.history.IFileRevision; |
| import org.eclipse.team.core.mapping.provider.ResourceDiffTree; |
| import org.eclipse.team.internal.core.mapping.SyncInfoToDiffConverter; |
| import org.eclipse.team.internal.core.subscribers.AbstractContentComparator; |
| |
| public class RegexDiffFilter extends DiffFilter { |
| |
| AbstractContentComparator criteria; |
| |
| boolean ignoreWhiteSpace; |
| |
| /** |
| * Create a filter that does not ignore whitespace. |
| * |
| * @param pattern |
| * regex pattern |
| */ |
| public RegexDiffFilter(String pattern) { |
| this(false, pattern); |
| } |
| |
| /** |
| * Create a filter and configure how whitespace is handled. |
| * |
| * @param ignoreWhitespace |
| * whether whitespace should be ignored |
| * @param pattern |
| * regex pattern |
| */ |
| public RegexDiffFilter(boolean ignoreWhitespace, String pattern) { |
| criteria = new RegexDiffComparator(Pattern.compile(pattern, |
| Pattern.DOTALL), ignoreWhitespace); |
| } |
| |
| @Override |
| public boolean select(IDiff diff, IProgressMonitor monitor) { |
| IFileRevision remote = SyncInfoToDiffConverter.getRemote(diff); |
| IResource local = ResourceDiffTree.getResourceFor(diff); |
| if (local == null || local.getType() != IResource.FILE) |
| return true; |
| if (remote == null) |
| return !local.exists(); |
| if (!local.exists()) |
| return false; |
| return criteria.compare(local, remote, monitor); |
| } |
| } |