public virtual void TestStandardFormat_SmallObject()
{
int type = Constants.OBJ_BLOB;
byte[] data = GetRng().NextBytes(300);
byte[] gz = CompressStandardFormat(type, data);
ObjectId id = ObjectId.ZeroId;
ObjectLoader ol = UnpackedObject.Open(new ByteArrayInputStream(gz), Path(id), id,
wc);
NUnit.Framework.Assert.IsNotNull(ol, "created loader");
NUnit.Framework.Assert.AreEqual(type, ol.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, ol.GetSize());
NUnit.Framework.Assert.IsFalse(ol.IsLarge(), "is not large");
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data, ol.GetCachedBytes()), "same content"
);
ObjectStream @in = ol.OpenStream();
NUnit.Framework.Assert.IsNotNull(@in, "have stream");
NUnit.Framework.Assert.AreEqual(type, @in.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, @in.GetSize());
byte[] data2 = new byte[data.Length];
IOUtil.ReadFully(@in, data2, 0, data.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data2, data), "same content");
NUnit.Framework.Assert.AreEqual(-1, @in.Read(), "stream at EOF");
@in.Close();
}
public virtual void TestWhole_SmallObject()
{
int type = Constants.OBJ_BLOB;
byte[] data = GetRng().NextBytes(300);
RevBlob id = tr.Blob(data);
tr.Branch("master").Commit().Add("A", id).Create();
tr.PackAndPrune();
NUnit.Framework.Assert.IsTrue(wc.Has(id), "has blob");
ObjectLoader ol = wc.Open(id);
NUnit.Framework.Assert.IsNotNull(ol, "created loader");
NUnit.Framework.Assert.AreEqual(type, ol.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, ol.GetSize());
NUnit.Framework.Assert.IsFalse(ol.IsLarge(), "is not large");
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data, ol.GetCachedBytes()), "same content"
);
ObjectStream @in = ol.OpenStream();
NUnit.Framework.Assert.IsNotNull(@in, "have stream");
NUnit.Framework.Assert.AreEqual(type, @in.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, @in.GetSize());
byte[] data2 = new byte[data.Length];
IOUtil.ReadFully(@in, data2, 0, data.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data2, data), "same content");
NUnit.Framework.Assert.AreEqual(-1, @in.Read(), "stream at EOF");
@in.Close();
}
/// <exception cref="NGit.Errors.MissingObjectException"></exception>
/// <exception cref="System.IO.IOException"></exception>
public override ObjectStream OpenStream()
{
// If the object was recently unpacked, its available loose.
// The loose format is going to be faster to access than a
// delta applied on top of a base. Use that whenever we can.
//
ObjectId myId = GetObjectId();
WindowCursor wc = new WindowCursor(db);
ObjectLoader ldr = db.OpenObject2(wc, myId.Name, myId);
if (ldr != null)
{
return(ldr.OpenStream());
}
InputStream @in = Open(wc);
@in = new BufferedInputStream(@in, 8192);
// While we inflate the object, also deflate it back as a loose
// object. This will later be cleaned up by a gc pass, but until
// then we will reuse the loose form by the above code path.
//
int myType = GetType();
long mySize = GetSize();
ObjectDirectoryInserter odi = ((ObjectDirectoryInserter)db.NewInserter());
FilePath tmp = odi.NewTempFile();
DeflaterOutputStream dOut = odi.Compress(new FileOutputStream(tmp));
odi.WriteHeader(dOut, myType, mySize);
@in = new TeeInputStream(@in, dOut);
return(new _Filter_195(this, odi, wc, tmp, myId, myType, mySize, @in));
}
public static ObjectStream stream(this ObjectLoader objectLoader)
{
if (objectLoader.notNull())
{
return(objectLoader.OpenStream());
}
return(null);
}
public virtual void TestDelta_SmallObjectChain()
{
ObjectInserter.Formatter fmt = new ObjectInserter.Formatter();
byte[] data0 = new byte[512];
Arrays.Fill(data0, unchecked ((byte)unchecked ((int)(0xf3))));
ObjectId id0 = fmt.IdFor(Constants.OBJ_BLOB, data0);
TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64 * 1024);
PackHeader(pack, 4);
ObjectHeader(pack, Constants.OBJ_BLOB, data0.Length);
Deflate(pack, data0);
byte[] data1 = Clone(unchecked ((int)(0x01)), data0);
byte[] delta1 = Delta(data0, data1);
ObjectId id1 = fmt.IdFor(Constants.OBJ_BLOB, data1);
ObjectHeader(pack, Constants.OBJ_REF_DELTA, delta1.Length);
id0.CopyRawTo(pack);
Deflate(pack, delta1);
byte[] data2 = Clone(unchecked ((int)(0x02)), data1);
byte[] delta2 = Delta(data1, data2);
ObjectId id2 = fmt.IdFor(Constants.OBJ_BLOB, data2);
ObjectHeader(pack, Constants.OBJ_REF_DELTA, delta2.Length);
id1.CopyRawTo(pack);
Deflate(pack, delta2);
byte[] data3 = Clone(unchecked ((int)(0x03)), data2);
byte[] delta3 = Delta(data2, data3);
ObjectId id3 = fmt.IdFor(Constants.OBJ_BLOB, data3);
ObjectHeader(pack, Constants.OBJ_REF_DELTA, delta3.Length);
id2.CopyRawTo(pack);
Deflate(pack, delta3);
Digest(pack);
PackParser ip = Index(pack.ToByteArray());
ip.SetAllowThin(true);
ip.Parse(NullProgressMonitor.INSTANCE);
NUnit.Framework.Assert.IsTrue(wc.Has(id3), "has blob");
ObjectLoader ol = wc.Open(id3);
NUnit.Framework.Assert.IsNotNull(ol, "created loader");
NUnit.Framework.Assert.AreEqual(Constants.OBJ_BLOB, ol.GetType());
NUnit.Framework.Assert.AreEqual(data3.Length, ol.GetSize());
NUnit.Framework.Assert.IsFalse(ol.IsLarge(), "is large");
NUnit.Framework.Assert.IsNotNull(ol.GetCachedBytes());
CollectionAssert.AreEquivalent(data3, ol.GetCachedBytes());
ObjectStream @in = ol.OpenStream();
NUnit.Framework.Assert.IsNotNull(@in, "have stream");
NUnit.Framework.Assert.AreEqual(Constants.OBJ_BLOB, @in.GetType());
NUnit.Framework.Assert.AreEqual(data3.Length, @in.GetSize());
byte[] act = new byte[data3.Length];
IOUtil.ReadFully(@in, act, 0, data3.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(act, data3), "same content");
NUnit.Framework.Assert.AreEqual(-1, @in.Read(), "stream at EOF");
@in.Close();
}
public static string ReadFile(ObjectLoader loader)
{
string strModifiedFile = null;
using (System.IO.Stream strm = loader.OpenStream())
{
using (System.IO.StreamReader sr = new System.IO.StreamReader(strm))
{
strModifiedFile = sr.ReadToEnd();
}
}
return strModifiedFile;
} // End Function ReadFile
/// <exception cref="NGit.Errors.MissingObjectException"></exception>
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Diff.SimilarityIndex.TableFullException"></exception>
internal virtual void Hash(ObjectLoader obj)
{
if (obj.IsLarge())
{
ObjectStream @in = obj.OpenStream();
try
{
SetFileSize(@in.GetSize());
Hash(@in, fileSize);
}
finally
{
@in.Close();
}
}
else
{
byte[] raw = obj.GetCachedBytes();
SetFileSize(raw.Length);
Hash(raw, 0, raw.Length);
}
}
/// <exception cref="System.IO.IOException"></exception>
public virtual Note Merge(Note @base, Note ours, Note theirs, ObjectReader reader
, ObjectInserter inserter)
{
if (ours == null)
{
return(theirs);
}
if (theirs == null)
{
return(ours);
}
if (ours.GetData().Equals(theirs.GetData()))
{
return(ours);
}
ObjectLoader lo = reader.Open(ours.GetData());
ObjectLoader lt = reader.Open(theirs.GetData());
UnionInputStream union = new UnionInputStream(lo.OpenStream(), lt.OpenStream());
ObjectId noteData = inserter.Insert(Constants.OBJ_BLOB, lo.GetSize() + lt.GetSize
(), union);
return(new Note(ours, noteData));
}
public virtual void TestWhole_LargeObject()
{
int type = Constants.OBJ_BLOB;
byte[] data = GetRng().NextBytes(streamThreshold + 5);
RevBlob id = tr.Blob(data);
tr.Branch("master").Commit().Add("A", id).Create();
tr.PackAndPrune();
NUnit.Framework.Assert.IsTrue(wc.Has(id), "has blob");
ObjectLoader ol = wc.Open(id);
NUnit.Framework.Assert.IsNotNull(ol, "created loader");
NUnit.Framework.Assert.AreEqual(type, ol.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, ol.GetSize());
NUnit.Framework.Assert.IsTrue(ol.IsLarge(), "is large");
try
{
ol.GetCachedBytes();
NUnit.Framework.Assert.Fail("Should have thrown LargeObjectException");
}
catch (LargeObjectException tooBig)
{
NUnit.Framework.Assert.AreEqual(MessageFormat.Format(JGitText.Get().largeObjectException
, id.Name), tooBig.Message);
}
ObjectStream @in = ol.OpenStream();
NUnit.Framework.Assert.IsNotNull(@in, "have stream");
NUnit.Framework.Assert.AreEqual(type, @in.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, @in.GetSize());
byte[] data2 = new byte[data.Length];
IOUtil.ReadFully(@in, data2, 0, data.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data2, data), "same content");
NUnit.Framework.Assert.AreEqual(-1, @in.Read(), "stream at EOF");
@in.Close();
}
public string ReadCommit(string commitId, string fileName)
{
var repo = m_git.GetRepository();
var id = ObjectId.FromString(commitId);
RevCommit commit = null;
try
{
commit = ParseCommit(repo, id);
if (commit == null)
{
return(null);
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
return(null);
}
//var commits = m_git.Log().AddRange(id, id).Call();
//var commit = commits.SingleOrDefault();
//if (commit == null)
// return null;
TreeWalk walk = new TreeWalk(repo);
//RevWalk r = new RevWalk(m_git.GetRepository());
//var tree = r.ParseTree(commit.Tree.Id);
//r.LookupTree(
//walk.AddTree(new FileTreeIterator(repo));
//var tree = ParseTree(repo, commit.Tree.Id);
walk.AddTree(commit.Tree);
var filter = GetGitFriendlyName(fileName);
walk.Filter = PathFilterGroup.CreateFromStrings(new string[] { filter });
//walk.EnterSubtree();
while (walk.Next())
{
var path = walk.PathString;
if (walk.IsSubtree)
{
walk.EnterSubtree();
continue;
}
if (path == filter)
{
var cur = walk.GetObjectId(0);
ObjectLoader ol = repo.Open(cur);
// //Console.WriteLine(string.Format("Path: {0}{1}", walk.PathString, walk.IsSubtree ? "/" : ""));
// //var loader = reader.Open(commit.Tree.Id);
var text = "";
using (var stream = ol.OpenStream())
using (var sr = new System.IO.StreamReader(stream))
{
text = sr.ReadToEnd();
}
return(text);
}
}
//walk.Reset();
//reader.Open();
return("");
}
