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- /*
- * Copyright (C) 2010, Google Inc.
- * 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.notes;
-
- import org.eclipse.jgit.lib.AnyObjectId;
- import org.eclipse.jgit.lib.FileMode;
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.lib.TreeFormatter;
-
- /** A tree entry found in a note branch that isn't a valid note. */
- class NonNoteEntry extends ObjectId {
- /** Name of the entry in the tree, in raw format. */
- private final byte[] name;
-
- /** Mode of the entry as parsed from the tree. */
- private final FileMode mode;
-
- /** The next non-note entry in the same tree, as defined by tree order. */
- NonNoteEntry next;
-
- NonNoteEntry(byte[] name, FileMode mode, AnyObjectId id) {
- super(id);
- this.name = name;
- this.mode = mode;
- }
-
- void format(TreeFormatter fmt) {
- fmt.append(name, mode, this);
- }
-
- int treeEntrySize() {
- return TreeFormatter.entrySize(mode, name.length);
- }
-
- int pathCompare(byte[] bBuf, int bPos, int bLen, FileMode bMode) {
- return pathCompare(name, 0, name.length, mode, //
- bBuf, bPos, bLen, bMode);
- }
-
- private static int pathCompare(final byte[] aBuf, int aPos, final int aEnd,
- final FileMode aMode, final byte[] bBuf, int bPos, final int bEnd,
- final FileMode bMode) {
- while (aPos < aEnd && bPos < bEnd) {
- int cmp = (aBuf[aPos++] & 0xff) - (bBuf[bPos++] & 0xff);
- if (cmp != 0)
- return cmp;
- }
-
- if (aPos < aEnd)
- return (aBuf[aPos] & 0xff) - lastPathChar(bMode);
- if (bPos < bEnd)
- return lastPathChar(aMode) - (bBuf[bPos] & 0xff);
- return 0;
- }
-
- private static int lastPathChar(final FileMode mode) {
- return FileMode.TREE.equals(mode.getBits()) ? '/' : '\0';
- }
- }
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