/// <summary>Open a tree walk and filter to exactly one path.</summary>
/// <remarks>
/// Open a tree walk and filter to exactly one path.
/// <p>
/// The returned tree walk is already positioned on the requested path, so
/// the caller should not need to invoke
/// <see cref="Next()">Next()</see>
/// unless they are
/// looking for a possible directory/file name conflict.
/// </remarks>
/// <param name="reader">the reader the walker will obtain tree data from.</param>
/// <param name="path">single path to advance the tree walk instance into.</param>
/// <param name="trees">one or more trees to walk through, all with the same root.</param>
/// <returns>
/// a new tree walk configured for exactly this one path; null if no
/// path was found in any of the trees.
/// </returns>
/// <exception cref="System.IO.IOException">reading a pack file or loose object failed.
/// </exception>
/// <exception cref="NGit.Errors.CorruptObjectException">
/// an tree object could not be read as its data stream did not
/// appear to be a tree, or could not be inflated.
/// </exception>
/// <exception cref="NGit.Errors.IncorrectObjectTypeException">an object we expected to be a tree was not a tree.
/// </exception>
/// <exception cref="NGit.Errors.MissingObjectException">a tree object was not found.
/// </exception>
public static NGit.Treewalk.TreeWalk ForPath(NGit.ObjectReader reader, string path
, params AnyObjectId[] trees)
{
NGit.Treewalk.TreeWalk tw = new NGit.Treewalk.TreeWalk(reader);
PathFilter f = PathFilter.Create(path);
tw.Filter = f;
tw.Reset(trees);
tw.Recursive = false;
while (tw.Next())
{
if (f.IsDone(tw))
{
return(tw);
}
else
{
if (tw.IsSubtree)
{
tw.EnterSubtree();
}
}
}
return(null);
}
/// <summary>Open a tree walk and filter to exactly one path.</summary>
/// <remarks>
/// Open a tree walk and filter to exactly one path.
/// <p>
/// The returned tree walk is already positioned on the requested path, so
/// the caller should not need to invoke
/// <see cref="Next()">Next()</see>
/// unless they are
/// looking for a possible directory/file name conflict.
/// </remarks>
/// <param name="db">repository to read tree object data from.</param>
/// <param name="path">single path to advance the tree walk instance into.</param>
/// <param name="trees">one or more trees to walk through, all with the same root.</param>
/// <returns>
/// a new tree walk configured for exactly this one path; null if no
/// path was found in any of the trees.
/// </returns>
/// <exception cref="System.IO.IOException">reading a pack file or loose object failed.
/// </exception>
/// <exception cref="NGit.Errors.CorruptObjectException">
/// an tree object could not be read as its data stream did not
/// appear to be a tree, or could not be inflated.
/// </exception>
/// <exception cref="NGit.Errors.IncorrectObjectTypeException">an object we expected to be a tree was not a tree.
/// </exception>
/// <exception cref="NGit.Errors.MissingObjectException">a tree object was not found.
/// </exception>
public static NGit.Treewalk.TreeWalk ForPath(Repository db, string path, params AnyObjectId
[] trees)
{
NGit.ObjectReader reader = db.NewObjectReader();
try
{
return(ForPath(reader, path, trees));
}
finally
{
reader.Release();
}
}
/// <summary>Create a new tree walker for a given repository.</summary>
/// <remarks>Create a new tree walker for a given repository.</remarks>
/// <param name="or">the reader the walker will obtain tree data from.</param>
public TreeWalk(NGit.ObjectReader or)
{
reader = or;
filter = TreeFilter.ALL;
trees = NO_TREES;
}
