/// <summary> /// Create reverse index from straight/forward pack index, by indexing all /// its entries. /// </summary> /// <remarks> /// Create reverse index from straight/forward pack index, by indexing all /// its entries. /// </remarks> /// <param name="packIndex">forward index - entries to (reverse) index.</param> public PackReverseIndex(PackIndex packIndex) { index = packIndex; long cnt = index.GetObjectCount(); long n64 = index.GetOffset64Count(); long n32 = cnt - n64; if (n32 > int.MaxValue || n64 > int.MaxValue || cnt > unchecked ((long)(0xffffffffL ))) { throw new ArgumentException(JGitText.Get().hugeIndexesAreNotSupportedByJgitYet); } offsets32 = new int[(int)n32]; offsets64 = new long[(int)n64]; nth32 = new int[offsets32.Length]; nth64 = new int[offsets64.Length]; int i32 = 0; int i64 = 0; foreach (PackIndex.MutableEntry me in index) { long o = me.GetOffset(); if (o < int.MaxValue) { offsets32[i32++] = (int)o; } else { offsets64[i64++] = o; } } Arrays.Sort(offsets32); Arrays.Sort(offsets64); int nth = 0; foreach (PackIndex.MutableEntry me_1 in index) { long o = me_1.GetOffset(); if (o < int.MaxValue) { nth32[System.Array.BinarySearch(offsets32, (int)o)] = nth++; } else { nth64[System.Array.BinarySearch(offsets64, o)] = nth++; } } }
public virtual void TestWriteIndex() { config.SetIndexVersion(2); WriteVerifyPack4(false); FilePath packFile = pack.GetPackFile(); string name = packFile.GetName(); string @base = Sharpen.Runtime.Substring(name, 0, name.LastIndexOf('.')); FilePath indexFile = new FilePath(packFile.GetParentFile(), @base + ".idx"); // Validate that IndexPack came up with the right CRC32 value. PackIndex idx1 = PackIndex.Open(indexFile); NUnit.Framework.Assert.IsTrue(idx1 is PackIndexV2); NUnit.Framework.Assert.AreEqual(unchecked ((long)(0x4743F1E4L)), idx1.FindCRC32(ObjectId .FromString("82c6b885ff600be425b4ea96dee75dca255b69e7"))); // Validate that an index written by PackWriter is the same. FilePath idx2File = new FilePath(indexFile.GetAbsolutePath() + ".2"); FileOutputStream @is = new FileOutputStream(idx2File); try { writer.WriteIndex(@is); } finally { @is.Close(); } PackIndex idx2 = PackIndex.Open(idx2File); NUnit.Framework.Assert.IsTrue(idx2 is PackIndexV2); NUnit.Framework.Assert.AreEqual(idx1.GetObjectCount(), idx2.GetObjectCount()); NUnit.Framework.Assert.AreEqual(idx1.GetOffset64Count(), idx2.GetOffset64Count()); for (int i = 0; i < idx1.GetObjectCount(); i++) { ObjectId id = idx1.GetObjectId(i); NUnit.Framework.Assert.AreEqual(id, idx2.GetObjectId(i)); NUnit.Framework.Assert.AreEqual(idx1.FindOffset(id), idx2.FindOffset(id)); NUnit.Framework.Assert.AreEqual(idx1.FindCRC32(id), idx2.FindCRC32(id)); } }