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- /*
- * Copyright (C) 2011-2012, IBM Corporation and others.
- * 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;
-
- import java.io.BufferedWriter;
- import java.io.ByteArrayOutputStream;
- import java.io.OutputStreamWriter;
- import java.io.PrintWriter;
- import java.util.ArrayList;
- import java.util.List;
-
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.pgm.opt.CmdLineParser;
- import org.eclipse.jgit.pgm.opt.SubcommandHandler;
- import org.eclipse.jgit.util.IO;
- import org.kohsuke.args4j.Argument;
-
- public class CLIGitCommand {
- @Argument(index = 0, metaVar = "metaVar_command", required = true, handler = SubcommandHandler.class)
- private TextBuiltin subcommand;
-
- @Argument(index = 1, metaVar = "metaVar_arg")
- private List<String> arguments = new ArrayList<String>();
-
- public TextBuiltin getSubcommand() {
- return subcommand;
- }
-
- public List<String> getArguments() {
- return arguments;
- }
-
- public static List<String> execute(String str, Repository db)
- throws Exception {
- String[] args = split(str);
- if (!args[0].equalsIgnoreCase("git") || args.length < 2)
- throw new IllegalArgumentException(
- "Expected 'git <command> [<args>]', was:" + str);
- String[] argv = new String[args.length - 1];
- System.arraycopy(args, 1, argv, 0, args.length - 1);
-
- CLIGitCommand bean = new CLIGitCommand();
- final CmdLineParser clp = new CmdLineParser(bean);
- clp.parseArgument(argv);
-
- final TextBuiltin cmd = bean.getSubcommand();
- if (cmd.requiresRepository())
- cmd.init(db, null);
- else
- cmd.init(null, null);
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- cmd.out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(
- baos)));
- try {
- cmd.execute(bean.getArguments().toArray(
- new String[bean.getArguments().size()]));
- } finally {
- if (cmd.out != null)
- cmd.out.flush();
- }
- return IO.readLines(baos.toString());
- }
-
- /**
- * Split a command line into a string array.
- *
- * A copy of Gerrit's
- * com.google.gerrit.sshd.CommandFactoryProvider#split(String)
- *
- * @param commandLine
- * a command line
- * @return the array
- */
- static String[] split(String commandLine) {
- final List<String> list = new ArrayList<String>();
- boolean inquote = false;
- boolean inDblQuote = false;
- StringBuilder r = new StringBuilder();
- for (int ip = 0; ip < commandLine.length();) {
- final char b = commandLine.charAt(ip++);
- switch (b) {
- case '\t':
- case ' ':
- if (inquote || inDblQuote)
- r.append(b);
- else if (r.length() > 0) {
- list.add(r.toString());
- r = new StringBuilder();
- }
- continue;
- case '\"':
- if (inquote)
- r.append(b);
- else
- inDblQuote = !inDblQuote;
- continue;
- case '\'':
- if (inDblQuote)
- r.append(b);
- else
- inquote = !inquote;
- continue;
- case '\\':
- if (inquote || ip == commandLine.length())
- r.append(b); // literal within a quote
- else
- r.append(commandLine.charAt(ip++));
- continue;
- default:
- r.append(b);
- continue;
- }
- }
- if (r.length() > 0)
- list.add(r.toString());
- return list.toArray(new String[list.size()]);
- }
-
- }
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