| /* |
| * Copyright (C) 2009, Google Inc. |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> 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.pgm.opt; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.errors.IncorrectObjectTypeException; |
| import org.eclipse.jgit.errors.MissingObjectException; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.pgm.internal.CLIText; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevFlag; |
| import org.kohsuke.args4j.CmdLineException; |
| import org.kohsuke.args4j.CmdLineParser; |
| import org.kohsuke.args4j.OptionDef; |
| import org.kohsuke.args4j.spi.OptionHandler; |
| import org.kohsuke.args4j.spi.Parameters; |
| import org.kohsuke.args4j.spi.Setter; |
| |
| /** |
| * Custom argument handler {@link org.eclipse.jgit.revwalk.RevCommit} from |
| * string values. |
| * <p> |
| * Assumes the parser has been initialized with a Repository. |
| */ |
| public class RevCommitHandler extends OptionHandler<RevCommit> { |
| private final org.eclipse.jgit.pgm.opt.CmdLineParser clp; |
| |
| /** |
| * Create a new handler for the command name. |
| * <p> |
| * This constructor is used only by args4j. |
| * |
| * @param parser |
| * a {@link org.kohsuke.args4j.CmdLineParser} object. |
| * @param option |
| * a {@link org.kohsuke.args4j.OptionDef} object. |
| * @param setter |
| * a {@link org.kohsuke.args4j.spi.Setter} object. |
| */ |
| public RevCommitHandler(final CmdLineParser parser, final OptionDef option, |
| final Setter<? super RevCommit> setter) { |
| super(parser, option, setter); |
| clp = (org.eclipse.jgit.pgm.opt.CmdLineParser) parser; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int parseArguments(Parameters params) throws CmdLineException { |
| String name = params.getParameter(0); |
| |
| boolean interesting = true; |
| if (name.startsWith("^")) { //$NON-NLS-1$ |
| name = name.substring(1); |
| interesting = false; |
| } |
| |
| final int dot2 = name.indexOf(".."); //$NON-NLS-1$ |
| if (dot2 != -1) { |
| if (!option.isMultiValued()) |
| throw new CmdLineException(clp, |
| CLIText.format(CLIText.get().onlyOneMetaVarExpectedIn), |
| option.metaVar(), name); |
| |
| final String left = name.substring(0, dot2); |
| final String right = name.substring(dot2 + 2); |
| addOne(left, false); |
| addOne(right, true); |
| return 1; |
| } |
| |
| addOne(name, interesting); |
| return 1; |
| } |
| |
| private void addOne(String name, boolean interesting) |
| throws CmdLineException { |
| final ObjectId id; |
| try { |
| id = clp.getRepository().resolve(name); |
| } catch (IOException e) { |
| throw new CmdLineException(clp, CLIText.format(e.getMessage())); |
| } |
| if (id == null) |
| throw new CmdLineException(clp, |
| CLIText.format(CLIText.get().notACommit), name); |
| |
| final RevCommit c; |
| try { |
| c = clp.getRevWalk().parseCommit(id); |
| } catch (MissingObjectException | IncorrectObjectTypeException e) { |
| CmdLineException cle = new CmdLineException(clp, |
| CLIText.format(CLIText.get().notACommit), name); |
| cle.initCause(e); |
| throw cle; |
| } catch (IOException e) { |
| throw new CmdLineException(clp, |
| CLIText.format(CLIText.get().cannotReadBecause), name, |
| e.getMessage()); |
| } |
| |
| if (interesting) |
| c.remove(RevFlag.UNINTERESTING); |
| else |
| c.add(RevFlag.UNINTERESTING); |
| |
| setter.addValue(c); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String getDefaultMetaVariable() { |
| return CLIText.get().metaVar_commitish; |
| } |
| } |