kitaev@213: /*
kitaev@213:  * Copyright (c) 2010-2011 TMate Software Ltd
kitaev@213:  *  
kitaev@213:  * This program is free software; you can redistribute it and/or modify
kitaev@213:  * it under the terms of the GNU General Public License as published by
kitaev@213:  * the Free Software Foundation; version 2 of the License.
kitaev@213:  *
kitaev@213:  * This program is distributed in the hope that it will be useful,
kitaev@213:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
kitaev@213:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
kitaev@213:  * GNU General Public License for more details.
kitaev@213:  *
kitaev@213:  * For information on how to redistribute this software under
kitaev@213:  * the terms of a license other than GNU General Public License
kitaev@213:  * contact TMate Software at support@hg4j.com
kitaev@213:  */
kitaev@213: package org.tmatesoft.hg.console;
kitaev@213: 
kitaev@213: import java.util.List;
kitaev@213: 
kitaev@213: import org.tmatesoft.hg.core.HgLogCommand;
kitaev@213: import org.tmatesoft.hg.core.HgLogCommand.FileRevision;
kitaev@213: import org.tmatesoft.hg.repo.HgDataFile;
kitaev@213: import org.tmatesoft.hg.repo.HgRepository;
kitaev@213: 
kitaev@213: 
kitaev@213: /**
kitaev@213:  * @author Artem Tikhomirov
kitaev@213:  * @author TMate Software Ltd.
kitaev@213:  */
kitaev@213: public class Log {
kitaev@213: 
kitaev@213: 	// -agentlib:hprof=heap=sites,depth=10,etc might be handy to debug speed/memory issues
kitaev@213: 	
kitaev@213: 	public static void main(String[] args) throws Exception {
kitaev@213: 		Options cmdLineOpts = Options.parse(args);
kitaev@213: 		HgRepository hgRepo = cmdLineOpts.findRepository();
kitaev@213: 		if (hgRepo.isInvalid()) {
kitaev@213: 			System.err.printf("Can't find repository in: %s\n", hgRepo.getLocation());
kitaev@213: 			return;
kitaev@213: 		}
kitaev@213: 		final Dump dump = new Dump(hgRepo);
kitaev@213: 		dump.complete(cmdLineOpts.getBoolean("--debug"));
kitaev@213: 		dump.verbose(cmdLineOpts.getBoolean("-v", "--verbose"));
kitaev@213: 		final boolean reverseOrder = true;
kitaev@213: 		dump.reversed(reverseOrder);
kitaev@213: 		HgLogCommand cmd = new HgLogCommand(hgRepo);
kitaev@213: 		for (String u : cmdLineOpts.getList("-u", "--user")) {
kitaev@213: 			cmd.user(u);
kitaev@213: 		}
kitaev@213: 		for (String b : cmdLineOpts.getList("-b", "--branches")) {
kitaev@213: 			cmd.branch(b);
kitaev@213: 		}
kitaev@213: 		int limit = cmdLineOpts.getSingleInt(-1, "-l", "--limit");
kitaev@213: 		if (limit != -1) {
kitaev@213: 			cmd.limit(limit);
kitaev@213: 		}
kitaev@213: 		List<String> files = cmdLineOpts.getList("");
kitaev@213: 		final long start = System.currentTimeMillis();
kitaev@213: 		if (files.isEmpty()) {
kitaev@213: 			if (limit == -1) {
kitaev@213: 				// no revisions and no limit
kitaev@213: 				cmd.execute(dump);
kitaev@213: 			} else {
kitaev@213: 				// in fact, external (to dump inspector) --limit processing yelds incorrect results when other args
kitaev@213: 				// e.g. -u or -b are used (i.e. with -u shall give <limit> csets with user, not check last <limit> csets for user 
kitaev@213: 				int[] r = new int[] { 0, hgRepo.getChangelog().getRevisionCount() };
kitaev@213: 				if (fixRange(r, reverseOrder, limit) == 0) {
kitaev@213: 					System.out.println("No changes");
kitaev@213: 					return;
kitaev@213: 				}
kitaev@213: 				cmd.range(r[0], r[1]).execute(dump);
kitaev@213: 			}
kitaev@213: 			dump.done();
kitaev@213: 		} else {
kitaev@213: 			for (String fname : files) {
kitaev@213: 				HgDataFile f1 = hgRepo.getFileNode(fname);
kitaev@213: 				System.out.println("History of the file: " + f1.getPath());
kitaev@213: 				if (limit == -1) {
kitaev@213: 					cmd.file(f1.getPath(), true).execute(dump);
kitaev@213: 				} else {
kitaev@213: 					int[] r = new int[] { 0, f1.getRevisionCount() };
kitaev@213: 					if (fixRange(r, reverseOrder, limit) == 0) {
kitaev@213: 						System.out.println("No changes");
kitaev@213: 						continue;
kitaev@213: 					}
kitaev@213: 					cmd.range(r[0], r[1]).file(f1.getPath(), true).execute(dump);
kitaev@213: 				}
kitaev@213: 				dump.done();
kitaev@213: 			}
kitaev@213: 		}
kitaev@213: //		cmd = null;
kitaev@213: 		System.out.println("Total time:" + (System.currentTimeMillis() - start));
kitaev@213: //		Main.force_gc();
kitaev@213: 	}
kitaev@213: 	
kitaev@213: 	private static int fixRange(int[] start_end, boolean reverse, int limit) {
kitaev@213: 		assert start_end.length == 2;
kitaev@213: 		if (limit < start_end[1]) {
kitaev@213: 			if (reverse) {
kitaev@213: 				// adjust left boundary of the range
kitaev@213: 				start_end[0] = start_end[1] - limit;
kitaev@213: 			} else {
kitaev@213: 				start_end[1] = limit; // adjust right boundary
kitaev@213: 			}
kitaev@213: 		}
kitaev@213: 		int rv = start_end[1] - start_end[0];
kitaev@213: 		start_end[1]--; // range needs index, not length
kitaev@213: 		return rv;
kitaev@213: 	}
kitaev@213: 
kitaev@213: 	private static final class Dump extends ChangesetDumpHandler implements HgLogCommand.FileHistoryHandler {
kitaev@213: 
kitaev@213: 		public Dump(HgRepository hgRepo) {
kitaev@213: 			super(hgRepo);
kitaev@213: 		}
kitaev@213: 		
kitaev@213: 		public void copy(FileRevision from, FileRevision to) {
kitaev@213: 			System.out.printf("Got notified that %s(%s) was originally known as %s(%s)\n", to.getPath(), to.getRevision(), from.getPath(), from.getRevision());
kitaev@213: 		}
kitaev@213: 	}
kitaev@213: }