| /* |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.pgm.opt; |
| |
| import java.lang.reflect.Field; |
| import java.util.ArrayList; |
| |
| import org.kohsuke.args4j.Argument; |
| import org.kohsuke.args4j.CmdLineException; |
| import org.kohsuke.args4j.IllegalAnnotationError; |
| import org.kohsuke.args4j.NamedOptionDef; |
| import org.kohsuke.args4j.Option; |
| import org.kohsuke.args4j.OptionDef; |
| import org.kohsuke.args4j.spi.OptionHandler; |
| import org.kohsuke.args4j.spi.Setter; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.pgm.TextBuiltin; |
| import org.eclipse.jgit.pgm.internal.CLIText; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevTree; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.eclipse.jgit.transport.RefSpec; |
| import org.eclipse.jgit.treewalk.AbstractTreeIterator; |
| |
| /** |
| * Extended command line parser which handles --foo=value arguments. |
| * <p> |
| * The args4j package does not natively handle --foo=value and instead prefers |
| * to see --foo value on the command line. Many users are used to the GNU style |
| * --foo=value long option, so we convert from the GNU style format to the |
| * args4j style format prior to invoking args4j for parsing. |
| */ |
| public class CmdLineParser extends org.kohsuke.args4j.CmdLineParser { |
| static { |
| registerHandler(AbstractTreeIterator.class, |
| AbstractTreeIteratorHandler.class); |
| registerHandler(ObjectId.class, ObjectIdHandler.class); |
| registerHandler(RefSpec.class, RefSpecHandler.class); |
| registerHandler(RevCommit.class, RevCommitHandler.class); |
| registerHandler(RevTree.class, RevTreeHandler.class); |
| } |
| |
| private final Repository db; |
| |
| private RevWalk walk; |
| |
| /** |
| * Creates a new command line owner that parses arguments/options and set |
| * them into the given object. |
| * |
| * @param bean |
| * instance of a class annotated by {@link Option} and |
| * {@link Argument}. this object will receive values. |
| * |
| * @throws IllegalAnnotationError |
| * if the option bean class is using args4j annotations |
| * incorrectly. |
| */ |
| public CmdLineParser(final Object bean) { |
| this(bean, null); |
| } |
| |
| /** |
| * Creates a new command line owner that parses arguments/options and set |
| * them into the given object. |
| * |
| * @param bean |
| * instance of a class annotated by {@link Option} and |
| * {@link Argument}. this object will receive values. |
| * @param repo |
| * repository this parser can translate options through. |
| * @throws IllegalAnnotationError |
| * if the option bean class is using args4j annotations |
| * incorrectly. |
| */ |
| public CmdLineParser(final Object bean, Repository repo) { |
| super(bean); |
| if (repo == null && bean instanceof TextBuiltin) |
| repo = ((TextBuiltin) bean).getRepository(); |
| this.db = repo; |
| } |
| |
| @Override |
| public void parseArgument(final String... args) throws CmdLineException { |
| final ArrayList<String> tmp = new ArrayList<String>(args.length); |
| for (int argi = 0; argi < args.length; argi++) { |
| final String str = args[argi]; |
| if (str.equals("--")) { //$NON-NLS-1$ |
| while (argi < args.length) |
| tmp.add(args[argi++]); |
| break; |
| } |
| |
| if (str.startsWith("--")) { //$NON-NLS-1$ |
| final int eq = str.indexOf('='); |
| if (eq > 0) { |
| tmp.add(str.substring(0, eq)); |
| tmp.add(str.substring(eq + 1)); |
| continue; |
| } |
| } |
| |
| tmp.add(str); |
| } |
| |
| super.parseArgument(tmp.toArray(new String[tmp.size()])); |
| } |
| |
| /** |
| * Get the repository this parser translates values through. |
| * |
| * @return the repository, if specified during construction. |
| */ |
| public Repository getRepository() { |
| if (db == null) |
| throw new IllegalStateException(CLIText.get().noGitRepositoryConfigured); |
| return db; |
| } |
| |
| /** |
| * Get the revision walker used to support option parsing. |
| * |
| * @return the revision walk used by this option parser. |
| */ |
| public RevWalk getRevWalk() { |
| if (walk == null) |
| walk = new RevWalk(getRepository()); |
| return walk; |
| } |
| |
| /** |
| * Get the revision walker used to support option parsing. |
| * <p> |
| * This method does not initialize the RevWalk and may return null. |
| * |
| * @return the revision walk used by this option parser, or null. |
| */ |
| public RevWalk getRevWalkGently() { |
| return walk; |
| } |
| |
| static class MyOptionDef extends OptionDef { |
| |
| public MyOptionDef(OptionDef o) { |
| super(o.usage(), o.metaVar(), o.required(), o.handler(), o |
| .isMultiValued()); |
| } |
| |
| @Override |
| public String toString() { |
| if (metaVar() == null) |
| return "ARG"; //$NON-NLS-1$ |
| try { |
| Field field = CLIText.class.getField(metaVar()); |
| String ret = field.get(CLIText.get()).toString(); |
| return ret; |
| } catch (Exception e) { |
| e.printStackTrace(System.err); |
| return metaVar(); |
| } |
| } |
| } |
| |
| @Override |
| protected OptionHandler createOptionHandler(OptionDef o, Setter setter) { |
| if (o instanceof NamedOptionDef) |
| return super.createOptionHandler(o, setter); |
| else |
| return super.createOptionHandler(new MyOptionDef(o), setter); |
| |
| } |
| } |