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This code is derived from jgit (http://eclipse.org/jgit).
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Copyright owners are documented in jgit's IP log.
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This program and the accompanying materials are made available
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under the terms of the Eclipse Distribution License v1.0 which
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accompanies this distribution, is reproduced below, and is
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available at http://www.eclipse.org/org/documents/edl-v10.php
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Redistribution and use in source and binary forms, with or
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without modification, are permitted provided that the following
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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- Neither the name of the Eclipse Foundation, Inc. nor the
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names of its contributors may be used to endorse or promote
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products derived from this software without specific prior
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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using NGit.Treewalk.Filter;
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namespace NGit.Treewalk.Filter
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/// <summary>Includes tree entries only if they match the configured path.</summary>
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/// Includes tree entries only if they match the configured path.
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/// Applications should use
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/// <see cref="PathFilterGroup">PathFilterGroup</see>
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/// to connect these into a tree
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/// filter graph, as the group supports breaking out of traversal once it is
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/// known the path can never match.
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public class PathFilter : TreeFilter
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/// <summary>Create a new tree filter for a user supplied path.</summary>
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/// Create a new tree filter for a user supplied path.
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/// Path strings are relative to the root of the repository. If the user's
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/// input should be assumed relative to a subdirectory of the repository the
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/// caller must prepend the subdirectory's path prior to creating the filter.
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/// Path strings use '/' to delimit directories on all platforms.
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/// <param name="path">
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/// the path to filter on. Must not be the empty string. All
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/// trailing '/' characters will be trimmed before string's length
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/// is checked or is used as part of the constructed filter.
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/// <returns>a new filter for the requested path.</returns>
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/// <exception cref="System.ArgumentException">the path supplied was the empty string.
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public static NGit.Treewalk.Filter.PathFilter Create(string path)
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while (path.EndsWith("/"))
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path = Sharpen.Runtime.Substring(path, 0, path.Length - 1);
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throw new ArgumentException(JGitText.Get().emptyPathNotPermitted);
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return new NGit.Treewalk.Filter.PathFilter(path);
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internal readonly string pathStr;
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internal readonly byte[] pathRaw;
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private PathFilter(string s)
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pathRaw = Constants.Encode(pathStr);
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/// <returns>the path this filter matches.</returns>
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public virtual string GetPath()
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public override bool Include(TreeWalk walker)
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return walker.IsPathPrefix(pathRaw, pathRaw.Length) == 0;
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public override bool ShouldBeRecursive()
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foreach (byte b in pathRaw)
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public override TreeFilter Clone()
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public override string ToString()
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return "PATH(\"" + pathStr + "\")";
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/// <param name="walker">The walk to check against.</param>
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/// <code>true</code>
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/// if the path length of this filter matches the length
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/// of the current path of the supplied TreeWalk.
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public virtual bool IsDone(TreeWalk walker)
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return pathRaw.Length == walker.GetPathLength();