Merge changes Ie56301aa,Ic2f79e85
* changes: Added further support for whitespace ignoring during diff Added support for whitespace ignoring
This commit is contained in:
commit
3fd4918852
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@ -56,6 +56,10 @@
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import org.eclipse.jgit.diff.DiffFormatter;
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import org.eclipse.jgit.diff.MyersDiff;
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import org.eclipse.jgit.diff.RawText;
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import org.eclipse.jgit.diff.RawTextIgnoreAllWhitespace;
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import org.eclipse.jgit.diff.RawTextIgnoreLeadingWhitespace;
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import org.eclipse.jgit.diff.RawTextIgnoreTrailingWhitespace;
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import org.eclipse.jgit.diff.RawTextIgnoreWhitespaceChange;
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import org.eclipse.jgit.lib.FileMode;
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import org.eclipse.jgit.lib.ObjectId;
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import org.eclipse.jgit.pgm.opt.PathTreeFilterHandler;
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@ -77,6 +81,18 @@ void tree_0(final AbstractTreeIterator c) {
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@Option(name = "--", metaVar = "metaVar_port", multiValued = true, handler = PathTreeFilterHandler.class)
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private TreeFilter pathFilter = TreeFilter.ALL;
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@Option(name = "--ignore-space-at-eol")
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private boolean ignoreWsTrailing;
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@Option(name = "--ignore-leading-space")
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private boolean ignoreWsLeading;
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@Option(name = "-b", aliases = { "--ignore-space-change" })
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private boolean ignoreWsChange;
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@Option(name = "-w", aliases = { "--ignore-all-space" })
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private boolean ignoreWsAll;
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private DiffFormatter fmt = new DiffFormatter();
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@Override
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@ -124,8 +140,18 @@ protected void outputDiff(PrintStream out, String path,
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private RawText getRawText(ObjectId id) throws IOException {
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if (id.equals(ObjectId.zeroId()))
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return new RawText(new byte[] { });
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return new RawText(db.openBlob(id).getCachedBytes());
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return new RawText(new byte[] {});
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byte[] raw = db.openBlob(id).getCachedBytes();
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if (ignoreWsAll)
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return new RawTextIgnoreAllWhitespace(raw);
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else if (ignoreWsTrailing)
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return new RawTextIgnoreTrailingWhitespace(raw);
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else if (ignoreWsChange)
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return new RawTextIgnoreWhitespaceChange(raw);
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else if (ignoreWsLeading)
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return new RawTextIgnoreLeadingWhitespace(raw);
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else
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return new RawText(raw);
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}
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}
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|
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@ -0,0 +1,96 @@
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/*
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* Copyright (C) 2009-2010, Google Inc.
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* Copyright (C) 2009, Johannes E. Schindelin <johannes.schindelin@gmx.de>
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||||
* 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.diff;
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import org.eclipse.jgit.lib.Constants;
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import junit.framework.TestCase;
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public class RawTextIgnoreAllWhitespaceTest extends TestCase {
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public void testEqualsWithoutWhitespace() {
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final RawText a = new RawTextIgnoreAllWhitespace(Constants
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.encodeASCII("foo-a\nfoo-b\nfoo\n"));
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final RawText b = new RawTextIgnoreAllWhitespace(Constants
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.encodeASCII("foo-b\nfoo-c\nf\n"));
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assertEquals(3, a.size());
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assertEquals(3, b.size());
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// foo-a != foo-b
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assertFalse(a.equals(0, b, 0));
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assertFalse(b.equals(0, a, 0));
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// foo-b == foo-b
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assertTrue(a.equals(1, b, 0));
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assertTrue(b.equals(0, a, 1));
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// foo != f
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assertFalse(a.equals(2, b, 2));
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assertFalse(b.equals(2, a, 2));
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}
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public void testEqualsWithWhitespace() {
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final RawText a = new RawTextIgnoreAllWhitespace(Constants
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.encodeASCII("foo-a\n \n a b c\na \n"));
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final RawText b = new RawTextIgnoreAllWhitespace(Constants
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.encodeASCII("foo-a b\n\nab c\na\n"));
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// "foo-a" != "foo-a b"
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assertFalse(a.equals(0, b, 0));
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assertFalse(b.equals(0, a, 0));
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||||
// " " == ""
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assertTrue(a.equals(1, b, 1));
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assertTrue(b.equals(1, a, 1));
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// " a b c" == "ab c"
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assertTrue(a.equals(2, b, 2));
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assertTrue(b.equals(2, a, 2));
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// "a " == "a"
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assertTrue(a.equals(3, b, 3));
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assertTrue(b.equals(3, a, 3));
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}
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}
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@ -0,0 +1,100 @@
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|||
/*
|
||||
* Copyright (C) 2009-2010, Google Inc.
|
||||
* Copyright (C) 2009, Johannes E. Schindelin <johannes.schindelin@gmx.de>
|
||||
* 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.diff;
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||||
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import org.eclipse.jgit.lib.Constants;
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import junit.framework.TestCase;
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||||
|
||||
public class RawTextIgnoreLeadingWhitespaceTest extends TestCase {
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||||
public void testEqualsWithoutWhitespace() {
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final RawText a = new RawTextIgnoreLeadingWhitespace(Constants
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.encodeASCII("foo-a\nfoo-b\nfoo\n"));
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final RawText b = new RawTextIgnoreLeadingWhitespace(Constants
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.encodeASCII("foo-b\nfoo-c\nf\n"));
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assertEquals(3, a.size());
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assertEquals(3, b.size());
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// foo-a != foo-b
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assertFalse(a.equals(0, b, 0));
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assertFalse(b.equals(0, a, 0));
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// foo-b == foo-b
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assertTrue(a.equals(1, b, 0));
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assertTrue(b.equals(0, a, 1));
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// foo != f
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assertFalse(a.equals(2, b, 2));
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assertFalse(b.equals(2, a, 2));
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}
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public void testEqualsWithWhitespace() {
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final RawText a = new RawTextIgnoreLeadingWhitespace(Constants
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.encodeASCII("foo-a\n \n a b c\n a\nb \n"));
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final RawText b = new RawTextIgnoreLeadingWhitespace(Constants
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.encodeASCII("foo-a b\n\nab c\na\nb\n"));
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|
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// "foo-a" != "foo-a b"
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assertFalse(a.equals(0, b, 0));
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assertFalse(b.equals(0, a, 0));
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||||
// " " == ""
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assertTrue(a.equals(1, b, 1));
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assertTrue(b.equals(1, a, 1));
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// " a b c" != "ab c"
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assertFalse(a.equals(2, b, 2));
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assertFalse(b.equals(2, a, 2));
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// " a" == "a"
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assertTrue(a.equals(3, b, 3));
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assertTrue(b.equals(3, a, 3));
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// "b " != "b"
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assertFalse(a.equals(4, b, 4));
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assertFalse(b.equals(4, a, 4));
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||||
}
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||||
}
|
|
@ -0,0 +1,100 @@
|
|||
/*
|
||||
* Copyright (C) 2009-2010, Google Inc.
|
||||
* Copyright (C) 2009, Johannes E. Schindelin <johannes.schindelin@gmx.de>
|
||||
* 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.diff;
|
||||
|
||||
import org.eclipse.jgit.lib.Constants;
|
||||
|
||||
import junit.framework.TestCase;
|
||||
|
||||
public class RawTextIgnoreTrailingWhitespaceTest extends TestCase {
|
||||
public void testEqualsWithoutWhitespace() {
|
||||
final RawText a = new RawTextIgnoreTrailingWhitespace(Constants
|
||||
.encodeASCII("foo-a\nfoo-b\nfoo\n"));
|
||||
final RawText b = new RawTextIgnoreTrailingWhitespace(Constants
|
||||
.encodeASCII("foo-b\nfoo-c\nf\n"));
|
||||
|
||||
assertEquals(3, a.size());
|
||||
assertEquals(3, b.size());
|
||||
|
||||
// foo-a != foo-b
|
||||
assertFalse(a.equals(0, b, 0));
|
||||
assertFalse(b.equals(0, a, 0));
|
||||
|
||||
// foo-b == foo-b
|
||||
assertTrue(a.equals(1, b, 0));
|
||||
assertTrue(b.equals(0, a, 1));
|
||||
|
||||
// foo != f
|
||||
assertFalse(a.equals(2, b, 2));
|
||||
assertFalse(b.equals(2, a, 2));
|
||||
}
|
||||
|
||||
public void testEqualsWithWhitespace() {
|
||||
final RawText a = new RawTextIgnoreTrailingWhitespace(Constants
|
||||
.encodeASCII("foo-a\n \n a b c\na \n b\n"));
|
||||
final RawText b = new RawTextIgnoreTrailingWhitespace(Constants
|
||||
.encodeASCII("foo-a b\n\nab c\na\nb\n"));
|
||||
|
||||
// "foo-a" != "foo-a b"
|
||||
assertFalse(a.equals(0, b, 0));
|
||||
assertFalse(b.equals(0, a, 0));
|
||||
|
||||
// " " == ""
|
||||
assertTrue(a.equals(1, b, 1));
|
||||
assertTrue(b.equals(1, a, 1));
|
||||
|
||||
// " a b c" != "ab c"
|
||||
assertFalse(a.equals(2, b, 2));
|
||||
assertFalse(b.equals(2, a, 2));
|
||||
|
||||
// "a " == "a"
|
||||
assertTrue(a.equals(3, b, 3));
|
||||
assertTrue(b.equals(3, a, 3));
|
||||
|
||||
// " b" != "b"
|
||||
assertFalse(a.equals(4, b, 4));
|
||||
assertFalse(b.equals(4, a, 4));
|
||||
}
|
||||
}
|
|
@ -0,0 +1,105 @@
|
|||
/*
|
||||
* Copyright (C) 2009-2010, Google Inc.
|
||||
* Copyright (C) 2009, Johannes E. Schindelin <johannes.schindelin@gmx.de>
|
||||
* 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.diff;
|
||||
|
||||
import org.eclipse.jgit.lib.Constants;
|
||||
|
||||
import junit.framework.TestCase;
|
||||
|
||||
public class RawTextIgnoreWhitespaceChangeTest extends TestCase {
|
||||
public void testEqualsWithoutWhitespace() {
|
||||
final RawText a = new RawTextIgnoreWhitespaceChange(Constants
|
||||
.encodeASCII("foo-a\nfoo-b\nfoo\n"));
|
||||
final RawText b = new RawTextIgnoreWhitespaceChange(Constants
|
||||
.encodeASCII("foo-b\nfoo-c\nf\n"));
|
||||
|
||||
assertEquals(3, a.size());
|
||||
assertEquals(3, b.size());
|
||||
|
||||
// foo-a != foo-b
|
||||
assertFalse(a.equals(0, b, 0));
|
||||
assertFalse(b.equals(0, a, 0));
|
||||
|
||||
// foo-b == foo-b
|
||||
assertTrue(a.equals(1, b, 0));
|
||||
assertTrue(b.equals(0, a, 1));
|
||||
|
||||
// foo != f
|
||||
assertFalse(a.equals(2, b, 2));
|
||||
assertFalse(b.equals(2, a, 2));
|
||||
}
|
||||
|
||||
public void testEqualsWithWhitespace() {
|
||||
final RawText a = new RawTextIgnoreWhitespaceChange(
|
||||
Constants
|
||||
.encodeASCII("foo-a\n \n a b c\na \n foo\na b c\n"));
|
||||
final RawText b = new RawTextIgnoreWhitespaceChange(Constants
|
||||
.encodeASCII("foo-a b\n\nab c\na\nfoo\na b c \n"));
|
||||
|
||||
// "foo-a" != "foo-a b"
|
||||
assertFalse(a.equals(0, b, 0));
|
||||
assertFalse(b.equals(0, a, 0));
|
||||
|
||||
// " " == ""
|
||||
assertTrue(a.equals(1, b, 1));
|
||||
assertTrue(b.equals(1, a, 1));
|
||||
|
||||
// " a b c" != "ab c"
|
||||
assertFalse(a.equals(2, b, 2));
|
||||
assertFalse(b.equals(2, a, 2));
|
||||
|
||||
// "a " == "a"
|
||||
assertTrue(a.equals(3, b, 3));
|
||||
assertTrue(b.equals(3, a, 3));
|
||||
|
||||
// " foo" != "foo"
|
||||
assertFalse(a.equals(4, b, 4));
|
||||
assertFalse(b.equals(4, a, 4));
|
||||
|
||||
// "a b c" == "a b c "
|
||||
assertTrue(a.equals(5, b, 5));
|
||||
assertTrue(b.equals(5, a, 5));
|
||||
}
|
||||
}
|
|
@ -0,0 +1,108 @@
|
|||
/*
|
||||
* 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.util;
|
||||
|
||||
import java.io.UnsupportedEncodingException;
|
||||
|
||||
import junit.framework.TestCase;
|
||||
import static org.eclipse.jgit.util.RawCharUtil.isWhitespace;
|
||||
import static org.eclipse.jgit.util.RawCharUtil.trimTrailingWhitespace;
|
||||
import static org.eclipse.jgit.util.RawCharUtil.trimLeadingWhitespace;
|
||||
|
||||
public class RawCharUtilTest extends TestCase {
|
||||
|
||||
/**
|
||||
* Test method for {@link RawCharUtil#isWhitespace(byte)}.
|
||||
*/
|
||||
public void testIsWhitespace() {
|
||||
for (byte c = -128; c < 127; c++) {
|
||||
switch (c) {
|
||||
case (byte) '\r':
|
||||
case (byte) '\n':
|
||||
case (byte) '\t':
|
||||
case (byte) ' ':
|
||||
assertTrue(isWhitespace(c));
|
||||
break;
|
||||
default:
|
||||
assertFalse(isWhitespace(c));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Test method for
|
||||
* {@link RawCharUtil#trimTrailingWhitespace(byte[], int, int)}.
|
||||
*
|
||||
* @throws UnsupportedEncodingException
|
||||
*/
|
||||
public void testTrimTrailingWhitespace()
|
||||
throws UnsupportedEncodingException {
|
||||
assertEquals(0, trimTrailingWhitespace("".getBytes("US-ASCII"), 0, 0));
|
||||
assertEquals(0, trimTrailingWhitespace(" ".getBytes("US-ASCII"), 0, 1));
|
||||
assertEquals(1, trimTrailingWhitespace("a ".getBytes("US-ASCII"), 0, 2));
|
||||
assertEquals(2,
|
||||
trimTrailingWhitespace(" a ".getBytes("US-ASCII"), 0, 3));
|
||||
assertEquals(3,
|
||||
trimTrailingWhitespace(" a".getBytes("US-ASCII"), 0, 3));
|
||||
assertEquals(6, trimTrailingWhitespace(
|
||||
" test ".getBytes("US-ASCII"), 2, 9));
|
||||
}
|
||||
|
||||
/**
|
||||
* Test method for
|
||||
* {@link RawCharUtil#trimLeadingWhitespace(byte[], int, int)}.
|
||||
*
|
||||
* @throws UnsupportedEncodingException
|
||||
*/
|
||||
public void testTrimLeadingWhitespace() throws UnsupportedEncodingException {
|
||||
assertEquals(0, trimLeadingWhitespace("".getBytes("US-ASCII"), 0, 0));
|
||||
assertEquals(1, trimLeadingWhitespace(" ".getBytes("US-ASCII"), 0, 1));
|
||||
assertEquals(0, trimLeadingWhitespace("a ".getBytes("US-ASCII"), 0, 2));
|
||||
assertEquals(1, trimLeadingWhitespace(" a ".getBytes("US-ASCII"), 0, 3));
|
||||
assertEquals(2, trimLeadingWhitespace(" a".getBytes("US-ASCII"), 0, 3));
|
||||
assertEquals(2, trimLeadingWhitespace(" test ".getBytes("US-ASCII"),
|
||||
2, 9));
|
||||
}
|
||||
|
||||
}
|
|
@ -0,0 +1,120 @@
|
|||
/*
|
||||
* Copyright (C) 2009-2010, Google Inc.
|
||||
* Copyright (C) 2008-2009, Johannes E. Schindelin <johannes.schindelin@gmx.de>
|
||||
* 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.diff;
|
||||
|
||||
import static org.eclipse.jgit.util.RawCharUtil.isWhitespace;
|
||||
import static org.eclipse.jgit.util.RawCharUtil.trimTrailingWhitespace;
|
||||
|
||||
/**
|
||||
* A version of {@link RawText} that ignores all whitespace.
|
||||
*/
|
||||
public class RawTextIgnoreAllWhitespace extends RawText {
|
||||
|
||||
/**
|
||||
* Create a new sequence from an existing content byte array.
|
||||
* <p>
|
||||
* The entire array (indexes 0 through length-1) is used as the content.
|
||||
*
|
||||
* @param input
|
||||
* the content array. The array is never modified, so passing
|
||||
* through cached arrays is safe.
|
||||
*/
|
||||
public RawTextIgnoreAllWhitespace(byte[] input) {
|
||||
super(input);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(final int i, final Sequence other, final int j) {
|
||||
return equals(this, i + 1, (RawText) other, j + 1);
|
||||
}
|
||||
|
||||
private static boolean equals(final RawText a, final int ai,
|
||||
final RawText b, final int bi) {
|
||||
if (a.hashes.get(ai) != b.hashes.get(bi))
|
||||
return false;
|
||||
|
||||
int as = a.lines.get(ai);
|
||||
int bs = b.lines.get(bi);
|
||||
int ae = a.lines.get(ai + 1);
|
||||
int be = b.lines.get(bi + 1);
|
||||
|
||||
ae = trimTrailingWhitespace(a.content, as, ae);
|
||||
be = trimTrailingWhitespace(b.content, bs, be);
|
||||
|
||||
while (as < ae && bs < be) {
|
||||
byte ac = a.content[as];
|
||||
byte bc = b.content[bs];
|
||||
|
||||
while (as < ae - 1 && isWhitespace(ac)) {
|
||||
as++;
|
||||
ac = a.content[as];
|
||||
}
|
||||
|
||||
while (bs < be - 1 && isWhitespace(bc)) {
|
||||
bs++;
|
||||
bc = b.content[bs];
|
||||
}
|
||||
|
||||
if (ac != bc)
|
||||
return false;
|
||||
|
||||
as++;
|
||||
bs++;
|
||||
}
|
||||
|
||||
return as == ae && bs == be;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected int hashLine(final byte[] raw, int ptr, final int end) {
|
||||
int hash = 5381;
|
||||
for (; ptr < end; ptr++) {
|
||||
byte c = raw[ptr];
|
||||
if (!isWhitespace(c))
|
||||
hash = (hash << 5) ^ (c & 0xff);
|
||||
}
|
||||
return hash;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,104 @@
|
|||
/*
|
||||
* Copyright (C) 2009-2010, Google Inc.
|
||||
* Copyright (C) 2008-2009, Johannes E. Schindelin <johannes.schindelin@gmx.de>
|
||||
* 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.diff;
|
||||
|
||||
import static org.eclipse.jgit.util.RawCharUtil.trimLeadingWhitespace;
|
||||
|
||||
/**
|
||||
* A version of {@link RawText} that ignores leading whitespace.
|
||||
*/
|
||||
public class RawTextIgnoreLeadingWhitespace extends RawText {
|
||||
|
||||
/**
|
||||
* Create a new sequence from an existing content byte array.
|
||||
* <p>
|
||||
* The entire array (indexes 0 through length-1) is used as the content.
|
||||
*
|
||||
* @param input
|
||||
* the content array. The array is never modified, so passing
|
||||
* through cached arrays is safe.
|
||||
*/
|
||||
public RawTextIgnoreLeadingWhitespace(byte[] input) {
|
||||
super(input);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(final int i, final Sequence other, final int j) {
|
||||
return equals(this, i + 1, (RawText) other, j + 1);
|
||||
}
|
||||
|
||||
private static boolean equals(final RawText a, final int ai,
|
||||
final RawText b, final int bi) {
|
||||
if (a.hashes.get(ai) != b.hashes.get(bi))
|
||||
return false;
|
||||
|
||||
int as = a.lines.get(ai);
|
||||
int bs = b.lines.get(bi);
|
||||
int ae = a.lines.get(ai + 1);
|
||||
int be = b.lines.get(bi + 1);
|
||||
|
||||
as = trimLeadingWhitespace(a.content, as, ae);
|
||||
bs = trimLeadingWhitespace(b.content, bs, be);
|
||||
|
||||
if (ae - as != be - bs)
|
||||
return false;
|
||||
|
||||
while (as < ae) {
|
||||
if (a.content[as++] != b.content[bs++])
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected int hashLine(final byte[] raw, int ptr, int end) {
|
||||
int hash = 5381;
|
||||
ptr = trimLeadingWhitespace(raw, ptr, end);
|
||||
for (; ptr < end; ptr++) {
|
||||
hash = (hash << 5) ^ (raw[ptr] & 0xff);
|
||||
}
|
||||
return hash;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,104 @@
|
|||
/*
|
||||
* Copyright (C) 2009-2010, Google Inc.
|
||||
* Copyright (C) 2008-2009, Johannes E. Schindelin <johannes.schindelin@gmx.de>
|
||||
* 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.diff;
|
||||
|
||||
import static org.eclipse.jgit.util.RawCharUtil.trimTrailingWhitespace;
|
||||
|
||||
/**
|
||||
* A version of {@link RawText} that ignores trailing whitespace.
|
||||
*/
|
||||
public class RawTextIgnoreTrailingWhitespace extends RawText {
|
||||
|
||||
/**
|
||||
* Create a new sequence from an existing content byte array.
|
||||
* <p>
|
||||
* The entire array (indexes 0 through length-1) is used as the content.
|
||||
*
|
||||
* @param input
|
||||
* the content array. The array is never modified, so passing
|
||||
* through cached arrays is safe.
|
||||
*/
|
||||
public RawTextIgnoreTrailingWhitespace(byte[] input) {
|
||||
super(input);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(final int i, final Sequence other, final int j) {
|
||||
return equals(this, i + 1, (RawText) other, j + 1);
|
||||
}
|
||||
|
||||
private static boolean equals(final RawText a, final int ai,
|
||||
final RawText b, final int bi) {
|
||||
if (a.hashes.get(ai) != b.hashes.get(bi))
|
||||
return false;
|
||||
|
||||
int as = a.lines.get(ai);
|
||||
int bs = b.lines.get(bi);
|
||||
int ae = a.lines.get(ai + 1);
|
||||
int be = b.lines.get(bi + 1);
|
||||
|
||||
ae = trimTrailingWhitespace(a.content, as, ae);
|
||||
be = trimTrailingWhitespace(b.content, bs, be);
|
||||
|
||||
if (ae - as != be - bs)
|
||||
return false;
|
||||
|
||||
while (as < ae) {
|
||||
if (a.content[as++] != b.content[bs++])
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected int hashLine(final byte[] raw, int ptr, int end) {
|
||||
int hash = 5381;
|
||||
end = trimTrailingWhitespace(raw, ptr, end);
|
||||
for (; ptr < end; ptr++) {
|
||||
hash = (hash << 5) ^ (raw[ptr] & 0xff);
|
||||
}
|
||||
return hash;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,122 @@
|
|||
/*
|
||||
* Copyright (C) 2009-2010, Google Inc.
|
||||
* Copyright (C) 2008-2009, Johannes E. Schindelin <johannes.schindelin@gmx.de>
|
||||
* 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.diff;
|
||||
|
||||
import static org.eclipse.jgit.util.RawCharUtil.isWhitespace;
|
||||
import static org.eclipse.jgit.util.RawCharUtil.trimTrailingWhitespace;
|
||||
import static org.eclipse.jgit.util.RawCharUtil.trimLeadingWhitespace;
|
||||
|
||||
/**
|
||||
* A version of {@link RawText} that ignores changes in the amount of
|
||||
* whitespace, as well as trailing whitespace.
|
||||
*/
|
||||
public class RawTextIgnoreWhitespaceChange extends RawText {
|
||||
|
||||
/**
|
||||
* Create a new sequence from an existing content byte array.
|
||||
* <p>
|
||||
* The entire array (indexes 0 through length-1) is used as the content.
|
||||
*
|
||||
* @param input
|
||||
* the content array. The array is never modified, so passing
|
||||
* through cached arrays is safe.
|
||||
*/
|
||||
public RawTextIgnoreWhitespaceChange(byte[] input) {
|
||||
super(input);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(final int i, final Sequence other, final int j) {
|
||||
return equals(this, i + 1, (RawText) other, j + 1);
|
||||
}
|
||||
|
||||
private static boolean equals(final RawText a, final int ai,
|
||||
final RawText b, final int bi) {
|
||||
if (a.hashes.get(ai) != b.hashes.get(bi))
|
||||
return false;
|
||||
|
||||
int as = a.lines.get(ai);
|
||||
int bs = b.lines.get(bi);
|
||||
int ae = a.lines.get(ai + 1);
|
||||
int be = b.lines.get(bi + 1);
|
||||
|
||||
ae = trimTrailingWhitespace(a.content, as, ae);
|
||||
be = trimTrailingWhitespace(b.content, bs, be);
|
||||
|
||||
while (as < ae && bs < be) {
|
||||
byte ac = a.content[as];
|
||||
byte bc = b.content[bs];
|
||||
|
||||
if (ac != bc)
|
||||
return false;
|
||||
|
||||
if (isWhitespace(ac))
|
||||
as = trimLeadingWhitespace(a.content, as, ae);
|
||||
else
|
||||
as++;
|
||||
|
||||
if (isWhitespace(bc))
|
||||
bs = trimLeadingWhitespace(b.content, bs, be);
|
||||
else
|
||||
bs++;
|
||||
}
|
||||
return as == ae && bs == be;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected int hashLine(final byte[] raw, int ptr, int end) {
|
||||
int hash = 5381;
|
||||
end = trimTrailingWhitespace(raw, ptr, end);
|
||||
while (ptr < end) {
|
||||
byte c = raw[ptr];
|
||||
hash = (hash << 5) ^ (c & 0xff);
|
||||
if (isWhitespace(c))
|
||||
ptr = trimLeadingWhitespace(raw, ptr, end);
|
||||
else
|
||||
ptr++;
|
||||
}
|
||||
return hash;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,116 @@
|
|||
/*
|
||||
* 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.util;
|
||||
|
||||
/**
|
||||
* Utility class for character functions on raw bytes
|
||||
* <p>
|
||||
* Characters are assumed to be 8-bit US-ASCII.
|
||||
*/
|
||||
public class RawCharUtil {
|
||||
private static final boolean[] WHITESPACE = new boolean[256];
|
||||
|
||||
static {
|
||||
WHITESPACE['\r'] = true;
|
||||
WHITESPACE['\n'] = true;
|
||||
WHITESPACE['\t'] = true;
|
||||
WHITESPACE[' '] = true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Determine if an 8-bit US-ASCII encoded character is represents whitespace
|
||||
*
|
||||
* @param c
|
||||
* the 8-bit US-ASCII encoded character
|
||||
* @return true if c represents a whitespace character in 8-bit US-ASCII
|
||||
*/
|
||||
public static boolean isWhitespace(byte c) {
|
||||
return WHITESPACE[c & 0xff];
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the new end point for the byte array passed in after trimming any
|
||||
* trailing whitespace characters, as determined by the isWhitespace()
|
||||
* function. start and end are assumed to be within the bounds of raw.
|
||||
*
|
||||
* @param raw
|
||||
* the byte array containing the portion to trim whitespace for
|
||||
* @param start
|
||||
* the start of the section of bytes
|
||||
* @param end
|
||||
* the end of the section of bytes
|
||||
* @return the new end point
|
||||
*/
|
||||
public static int trimTrailingWhitespace(byte[] raw, int start, int end) {
|
||||
int ptr = end - 1;
|
||||
while (start <= ptr && isWhitespace(raw[ptr]))
|
||||
ptr--;
|
||||
|
||||
return ptr + 1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the new start point for the byte array passed in after trimming
|
||||
* any leading whitespace characters, as determined by the isWhitespace()
|
||||
* function. start and end are assumed to be within the bounds of raw.
|
||||
*
|
||||
* @param raw
|
||||
* the byte array containing the portion to trim whitespace for
|
||||
* @param start
|
||||
* the start of the section of bytes
|
||||
* @param end
|
||||
* the end of the section of bytes
|
||||
* @return the new start point
|
||||
*/
|
||||
public static int trimLeadingWhitespace(byte[] raw, int start, int end) {
|
||||
while (start < end && isWhitespace(raw[start]))
|
||||
start++;
|
||||
|
||||
return start;
|
||||
}
|
||||
|
||||
private RawCharUtil() {
|
||||
// This will never be called
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue