| /* |
| * Copyright (C) 2010, Google Inc. and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.diff; |
| |
| import java.text.MessageFormat; |
| |
| import org.eclipse.jgit.internal.JGitText; |
| import org.eclipse.jgit.lib.Config; |
| import org.eclipse.jgit.lib.Config.SectionParser; |
| import org.eclipse.jgit.lib.ConfigConstants; |
| import org.eclipse.jgit.util.StringUtils; |
| |
| /** |
| * Keeps track of diff related configuration options. |
| */ |
| public class DiffConfig { |
| /** Key for {@link Config#get(SectionParser)}. */ |
| public static final Config.SectionParser<DiffConfig> KEY = DiffConfig::new; |
| |
| /** Permissible values for {@code diff.renames}. */ |
| public static enum RenameDetectionType { |
| /** Rename detection is disabled. */ |
| FALSE, |
| |
| /** Rename detection is enabled. */ |
| TRUE, |
| |
| /** Copies should be detected too. */ |
| COPY |
| } |
| |
| private final boolean noPrefix; |
| |
| private final RenameDetectionType renameDetectionType; |
| |
| private final int renameLimit; |
| |
| private DiffConfig(Config rc) { |
| noPrefix = rc.getBoolean(ConfigConstants.CONFIG_DIFF_SECTION, |
| ConfigConstants.CONFIG_KEY_NOPREFIX, false); |
| renameDetectionType = parseRenameDetectionType(rc.getString( |
| ConfigConstants.CONFIG_DIFF_SECTION, null, ConfigConstants.CONFIG_KEY_RENAMES)); |
| renameLimit = rc.getInt(ConfigConstants.CONFIG_DIFF_SECTION, |
| ConfigConstants.CONFIG_KEY_RENAMELIMIT, 400); |
| } |
| |
| /** |
| * If prefix should be suppressed |
| * |
| * @return true if the prefix "a/" and "b/" should be suppressed |
| */ |
| public boolean isNoPrefix() { |
| return noPrefix; |
| } |
| |
| /** |
| * If rename detection is enabled |
| * |
| * @return true if rename detection is enabled by default |
| */ |
| public boolean isRenameDetectionEnabled() { |
| return renameDetectionType != RenameDetectionType.FALSE; |
| } |
| |
| /** |
| * Get the rename detection type |
| * |
| * @return type of rename detection to perform |
| */ |
| public RenameDetectionType getRenameDetectionType() { |
| return renameDetectionType; |
| } |
| |
| /** |
| * Get the rename limit |
| * |
| * @return limit on number of paths to perform inexact rename detection |
| */ |
| public int getRenameLimit() { |
| return renameLimit; |
| } |
| |
| private static RenameDetectionType parseRenameDetectionType( |
| final String renameString) { |
| if (renameString == null) |
| return RenameDetectionType.FALSE; |
| else if (StringUtils.equalsIgnoreCase( |
| ConfigConstants.CONFIG_RENAMELIMIT_COPY, renameString) |
| || StringUtils |
| .equalsIgnoreCase( |
| ConfigConstants.CONFIG_RENAMELIMIT_COPIES, |
| renameString)) |
| return RenameDetectionType.COPY; |
| else { |
| final Boolean renameBoolean = StringUtils |
| .toBooleanOrNull(renameString); |
| if (renameBoolean == null) |
| throw new IllegalArgumentException(MessageFormat.format( |
| JGitText.get().enumValueNotSupported2, |
| ConfigConstants.CONFIG_DIFF_SECTION, |
| ConfigConstants.CONFIG_KEY_RENAMES, renameString)); |
| else if (renameBoolean.booleanValue()) |
| return RenameDetectionType.TRUE; |
| else |
| return RenameDetectionType.FALSE; |
| } |
| } |
| } |