Exemplo n.º 1
0
        public void testNoSubtree_NoTreeWalk()
        {
            DirCache dc = DirCache.read(db);

            string[] paths = { "a.", "a0b" };
            var ents = new DirCacheEntry[paths.Length];

            for (int i = 0; i < paths.Length; i++)
            {
                ents[i] = new DirCacheEntry(paths[i]);
            }

            DirCacheBuilder b = dc.builder();
            for (int i = 0; i < ents.Length; i++)
            {
                b.add(ents[i]);
            }

            b.finish();

            var iter = new DirCacheIterator(dc);
            int pathIdx = 0;
            for (; !iter.eof(); iter.next(1))
            {
                Assert.AreEqual(pathIdx, iter.Pointer);
                Assert.AreSame(ents[pathIdx], iter.getDirCacheEntry());
                pathIdx++;
            }

            Assert.AreEqual(paths.Length, pathIdx);
        }
Exemplo n.º 2
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        public void testEntriesWithin()
        {
            DirCache dc = DirCache.read(db);

            string[] paths = { "a.", "a/b", "a/c", "a/d", "a0b" };
            DirCacheEntry[] ents = new DirCacheEntry[paths.Length];
            for (int i = 0; i < paths.Length; i++)
                ents[i] = new DirCacheEntry(paths[i]);
            int aFirst = 1;
            int aLast = 3;

            DirCacheBuilder b = dc.builder();
            for (int i = 0; i < ents.Length; i++)
            {
                b.add(ents[i]);
            }
            b.finish();

            Assert.AreEqual(paths.Length, dc.getEntryCount());
            for (int i = 0; i < ents.Length; i++)
            {
                Assert.AreSame(ents[i], dc.getEntry(i));
            }

            DirCacheEntry[] aContents = dc.getEntriesWithin("a");
            Assert.IsNotNull(aContents);
            Assert.AreEqual(aLast - aFirst + 1, aContents.Length);
            for (int i = aFirst, j = 0; i <= aLast; i++, j++)
            {
                    Assert.AreSame(ents[i], aContents[j]);
            }

            aContents = dc.getEntriesWithin("a/");
            Assert.IsNotNull(aContents);
            Assert.AreEqual(aLast - aFirst + 1, aContents.Length);
            for (int i = aFirst, j = 0; i <= aLast; i++, j++)
            {
                Assert.AreSame(ents[i], aContents[j]);
            }

            Assert.IsNotNull(dc.getEntriesWithin("a."));
            Assert.AreEqual(0, dc.getEntriesWithin("a.").Length);

            Assert.IsNotNull(dc.getEntriesWithin("a0b"));
            Assert.AreEqual(0, dc.getEntriesWithin("a0b.").Length);

            Assert.IsNotNull(dc.getEntriesWithin("zoo"));
            Assert.AreEqual(0, dc.getEntriesWithin("zoo.").Length);
        }
        public void testPathFilterGroup_DoesNotSkipTail()
        {
            DirCache dc = DirCache.read(db);

            var mode = FileMode.RegularFile;
            string[] paths = { "a.", "a/b", "a/c", "a/d", "a0b" };
            var ents = new DirCacheEntry[paths.Length];
            for (int i = 0; i < paths.Length; i++)
            {
                ents[i] = new DirCacheEntry(paths[i]);
                ents[i].setFileMode(mode);
            }
            {
                DirCacheBuilder builder = dc.builder();
                for (int i = 0; i < ents.Length; i++)
                {
                    builder.add(ents[i]);
                }
                builder.finish();
            }

            const int expIdx = 2;
            DirCacheBuilder b = dc.builder();
            var tw = new GitSharp.TreeWalk.TreeWalk(db);
            tw.reset();
            tw.addTree(new DirCacheBuildIterator(b));
            tw.Recursive = true;
            tw.setFilter(PathFilterGroup.createFromStrings(new[] { paths[expIdx] }));

            Assert.IsTrue(tw.next(), "found " + paths[expIdx]);
            var c = tw.getTree<DirCacheIterator>(0, typeof(DirCacheIterator));
            Assert.IsNotNull(c);
            Assert.AreEqual(expIdx, c.Pointer);
            Assert.AreSame(ents[expIdx], c.getDirCacheEntry());
            Assert.AreEqual(paths[expIdx], tw.getPathString());
            Assert.AreEqual(mode.Bits, tw.getRawMode(0));
            Assert.AreSame(mode, tw.getFileMode(0));
            b.add(c.getDirCacheEntry());

            Assert.IsFalse(tw.next(), "no more entries");

            b.finish();
            Assert.AreEqual(ents.Length, dc.getEntryCount());
            for (int i = 0; i < ents.Length; i++)
            {
                Assert.AreSame(ents[i], dc.getEntry(i));
            }
        }
Exemplo n.º 4
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        public void testAdd_InGitSortOrder()
        {
            DirCache dc = DirCache.read(db);

            string[] paths = { "a.", "a.b", "a/b", "a0b" };
            DirCacheEntry[] ents = new DirCacheEntry[paths.Length];
            for (int i = 0; i < paths.Length; i++)
                ents[i] = new DirCacheEntry(paths[i]);

            DirCacheBuilder b = dc.builder();
            for (int i = 0; i < ents.Length; i++)
                b.add(ents[i]);
            b.finish();

            Assert.AreEqual(paths.Length, dc.getEntryCount());
            for (int i = 0; i < paths.Length; i++)
            {
                Assert.AreSame(ents[i], dc.getEntry(i));
                Assert.AreEqual(paths[i], dc.getEntry(i).getPathString());
                Assert.AreEqual(i, dc.findEntry(paths[i]));
                Assert.AreSame(ents[i], dc.getEntry(paths[i]));
            }
        }
Exemplo n.º 5
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        public void testBuildThenClear()
        {
            DirCache dc = DirCache.read(db);

            string[] paths = { "a.", "a.b", "a/b", "a0b" };

            var ents = new DirCacheEntry[paths.Length];
            for (int i = 0; i < paths.Length; i++)
            {
                ents[i] = new DirCacheEntry(paths[i]);
            }

            DirCacheBuilder b = dc.builder();
            for (int i = 0; i < ents.Length; i++)
            {
                b.add(ents[i]);
            }

            b.finish();

            Assert.AreEqual(paths.Length, dc.getEntryCount());
            dc.clear();
            Assert.AreEqual(0, dc.getEntryCount());
        }
Exemplo n.º 6
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 public static int cmp(DirCacheEntry a, DirCacheEntry b)
 {
     return cmp(a.path, a.path.Length, b);
 }
Exemplo n.º 7
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        /**
         * Recursively get all entries within a subtree.
         *
         * @param path
         *            the subtree path to get all entries within.
         * @return all entries recursively contained within the subtree.
         */
        public DirCacheEntry[] getEntriesWithin(string path)
        {
            if (!path.EndsWith("/"))
                path += "/";
            byte[] p = Constants.encode(path);
            int pLen = p.Length;

            int eIdx = findEntry(p, pLen);
            if (eIdx < 0)
                eIdx = -(eIdx + 1);
            int lastIdx = nextEntry(p, pLen, eIdx);
            DirCacheEntry[] r = new DirCacheEntry[lastIdx - eIdx];
            Array.Copy(sortedEntries, eIdx, r, 0, r.Length);
            return r;
        }
Exemplo n.º 8
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 public void replace(DirCacheEntry[] e, int cnt)
 {
     sortedEntries = e;
     entryCnt = cnt;
     tree = null;
 }
Exemplo n.º 9
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 private static InvalidOperationException bad(DirCacheEntry a, String msg)
 {
     return new InvalidOperationException(msg + ": " + a.getStage() + " " + a.getPathString());
 }
Exemplo n.º 10
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        private DirCacheEntry toEntry(int stage, TreeWalk.TreeWalk tw)
        {
            DirCacheEntry e = new DirCacheEntry(tw.getRawPath(), stage);
            AbstractTreeIterator i;

            i = tw.getTree<AbstractTreeIterator>(0, typeof(AbstractTreeIterator));
            e.setFileMode(tw.getFileMode(0));
            e.setObjectIdFromRaw(i.idBuffer(), i.idOffset());
            return e;
        }
Exemplo n.º 11
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        public void testWriteReadTree()
        {
            DirCache dc = DirCache.Lock(db);

            string A = string.Format("a%2000s", "a");
            string B = string.Format("b%2000s", "b");
            string[] paths = { A + ".", A + "." + B, A + "/" + B, A + "0" + B };
            var ents = new DirCacheEntry[paths.Length];
            for (int i = 0; i < paths.Length; i++)
            {
                ents[i] = new DirCacheEntry(paths[i]);
            }

            DirCacheBuilder b = dc.builder();
            for (int i = 0; i < ents.Length; i++)
            {
                b.add(ents[i]);
            }

            b.commit();
            DirCache read = DirCache.read(db);

            Assert.AreEqual(paths.Length, read.getEntryCount());
            Assert.AreEqual(1, read.getCacheTree(true).getChildCount());
        }
Exemplo n.º 12
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        private void testLongPath(int len)
        {
            string longPath = makeLongPath(len);
            string shortPath = "~~~ shorter-path";

            DirCacheEntry longEnt = new DirCacheEntry(longPath);
            DirCacheEntry shortEnt = new DirCacheEntry(shortPath);
            Assert.AreEqual(longPath, longEnt.getPathString());
            Assert.AreEqual(shortPath, shortEnt.getPathString());

            DirCache dc1 = DirCache.Lock(db);
            DirCacheBuilder b = dc1.builder();
            b.add(longEnt);
            b.add(shortEnt);
            Assert.IsTrue(b.commit());
            Assert.AreEqual(2, dc1.getEntryCount());
            Assert.AreSame(longEnt, dc1.getEntry(0));
            Assert.AreSame(shortEnt, dc1.getEntry(1));

            DirCache dc2 = DirCache.read(db);
            Assert.AreEqual(2, dc2.getEntryCount());
            Assert.AreNotSame(longEnt, dc2.getEntry(0));
            Assert.AreEqual(longPath, dc2.getEntry(0).getPathString());
            Assert.AreNotSame(shortEnt, dc2.getEntry(1));
            Assert.AreEqual(shortPath, dc2.getEntry(1).getPathString());
        }
Exemplo n.º 13
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        public void testFindSingleFile()
        {
            string path = "a-File-path";
            DirCache dc = DirCache.read(db);
            DirCacheBuilder b = dc.builder();
            Assert.IsNotNull(b);

            DirCacheEntry entOrig = new DirCacheEntry(path);
            Assert.AreNotSame(path, entOrig.getPathString());
            Assert.AreEqual(path, entOrig.getPathString());
            b.add(entOrig);
            b.finish();

            Assert.AreEqual(1, dc.getEntryCount());
            Assert.AreSame(entOrig, dc.getEntry(0));
            Assert.AreEqual(0, dc.findEntry(path));

            Assert.AreEqual(-1, dc.findEntry("@@-before"));
            Assert.AreEqual(0, real(dc.findEntry("@@-before")));

            Assert.AreEqual(-2, dc.findEntry("a-zoo"));
            Assert.AreEqual(1, real(dc.findEntry("a-zoo")));

            Assert.AreSame(entOrig, dc.getEntry(path));
        }
Exemplo n.º 14
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        public void testBuildOneFile_FinishWriteCommit()
        {
            string path = "a-File-path";
            var mode = GitSharp.FileMode.RegularFile;
            long lastModified = 1218123387057L;
            int Length = 1342;
            DirCacheEntry entOrig;

            DirCache dc = DirCache.Lock(db);
            DirCacheBuilder b = dc.builder();
            Assert.IsNotNull(b);

            entOrig = new DirCacheEntry(path);
            entOrig.setFileMode(mode);
            entOrig.setLastModified(lastModified);
            entOrig.setLength(Length);

            Assert.AreNotSame(path, entOrig.getPathString());
            Assert.AreEqual(path, entOrig.getPathString());
            Assert.AreEqual(ObjectId.ZeroId, entOrig.getObjectId());
            Assert.AreEqual(mode.Bits, entOrig.getRawMode());
            Assert.AreEqual(0, entOrig.getStage());
            Assert.AreEqual(lastModified, entOrig.getLastModified());
            Assert.AreEqual(Length, entOrig.getLength());
            Assert.IsFalse(entOrig.isAssumeValid());
            b.add(entOrig);

            b.finish();
            Assert.AreEqual(1, dc.getEntryCount());
            Assert.AreSame(entOrig, dc.getEntry(0));

            dc.write();
            Assert.IsTrue(dc.commit());

            dc = DirCache.read(db);
            Assert.AreEqual(1, dc.getEntryCount());

            DirCacheEntry entRead = dc.getEntry(0);
            Assert.AreNotSame(entOrig, entRead);
            Assert.AreEqual(path, entRead.getPathString());
            Assert.AreEqual(ObjectId.ZeroId, entOrig.getObjectId());
            Assert.AreEqual(mode.Bits, entOrig.getRawMode());
            Assert.AreEqual(0, entOrig.getStage());
            Assert.AreEqual(lastModified, entOrig.getLastModified());
            Assert.AreEqual(Length, entOrig.getLength());
            Assert.IsFalse(entOrig.isAssumeValid());
        }
 private DirCacheEntry makeEntry(string path, FileMode mode)
 {
     byte[] pathBytes = Constants.encode(path);
     DirCacheEntry ent = new DirCacheEntry(path);
     ent.setFileMode(mode);
     ent.setObjectId(new ObjectWriter(db).ComputeBlobSha1(pathBytes.Length, new MemoryStream(pathBytes)));
     return ent;
 }
Exemplo n.º 16
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        /**
         * Update (if necessary) this tree's entrySpan.
         *
         * @param cache
         *            the complete cache from DirCache.
         * @param cCnt
         *            number of entries in <code>cache</code> that are valid for
         *            iteration.
         * @param cIdx
         *            first position of <code>cache</code> that is a member of this
         *            tree. The path of <code>cache[cacheIdx].path</code> for the
         *            range <code>[0,pathOff-1)</code> matches the complete path of
         *            this tree, from the root of the repository.
         * @param pathOff
         *            number of bytes of <code>cache[cacheIdx].path</code> that
         *            matches this tree's path. The value at array position
         *            <code>cache[cacheIdx].path[pathOff-1]</code> is always '/' if
         *            <code>pathOff</code> is > 0.
         */
        public void validate(DirCacheEntry[] cache, int cCnt, int cIdx,
                 int pathOff)
        {
            if (entrySpan >= 0)
            {
                // If we are valid, our children are also valid.
                // We have no need to validate them.
                //
                return;
            }

            entrySpan = 0;
            if (cCnt == 0)
            {
                // Special case of an empty index, and we are the root tree.
                //
                return;
            }

            byte[] firstPath = cache[cIdx].path;
            int stIdx = 0;
            while (cIdx < cCnt)
            {
                byte[] currPath = cache[cIdx].path;
                if (pathOff > 0 && !peq(firstPath, currPath, pathOff))
                {
                    // The current entry is no longer in this tree. Our
                    // span is updated and the remainder goes elsewhere.
                    //
                    break;
                }

                DirCacheTree st = stIdx < childCnt ? children[stIdx] : null;
                int cc = namecmp(currPath, pathOff, st);
                if (cc > 0)
                {
                    // This subtree is now empty.
                    //
                    removeChild(stIdx);
                    continue;
                }

                if (cc < 0)
                {
                    int p = slash(currPath, pathOff);
                    if (p < 0)
                    {
                        // The entry has no '/' and thus is directly in this
                        // tree. Count it as one of our own.
                        //
                        cIdx++;
                        entrySpan++;
                        continue;
                    }

                    // Build a new subtree for this entry.
                    //
                    st = new DirCacheTree(this, currPath, pathOff, p - pathOff);
                    insertChild(stIdx, st);
                }

                // The entry is contained in this subtree.
                //
                st.validate(cache, cCnt, cIdx, pathOff + st.nameLength() + 1);
                cIdx += st.entrySpan;
                entrySpan += st.entrySpan;
                stIdx++;
            }

            if (stIdx < childCnt)
            {
                // None of our remaining children can be in this tree
                // as the current cache entry is after our own name.
                //
                DirCacheTree[] dct = new DirCacheTree[stIdx];
                Array.Copy(children, 0, dct, 0, stIdx);
                children = dct;
            }
        }
Exemplo n.º 17
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	    private DirCacheEntry MakeEntry(String path, FileMode mode, String content)
        {
		    DirCacheEntry ent = new DirCacheEntry(path);
		    ent.setFileMode(mode);
		    byte[] contentBytes = Constants.encode(content);
		    ent.setObjectId(new ObjectWriter(db).ComputeBlobSha1(contentBytes.Length, new MemoryStream(contentBytes)));
		    return ent;
	    }
Exemplo n.º 18
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 /**
  * Create a new unmerged path exception.
  *
  * @param dce
  *            the first non-zero stage of the unmerged path.
  */
 public UnmergedPathException(DirCacheEntry dce) 
     : base("Unmerged path: " + dce.getPathString())
 {
     entry = dce;
 }
Exemplo n.º 19
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        public void testSingleSubtree()
        {
            DirCache dc = DirCache.read(db);

            string[] paths = { "a.", "a/b", "a/c", "a/d", "a0b" };
            DirCacheEntry[] ents = new DirCacheEntry[paths.Length];
            for (int i = 0; i < paths.Length; i++)
                ents[i] = new DirCacheEntry(paths[i]);
            int aFirst = 1;
            int aLast = 3;

            DirCacheBuilder b = dc.builder();
            for (int i = 0; i < ents.Length; i++)
                b.add(ents[i]);
            b.finish();

            Assert.IsNull(dc.getCacheTree(false));
            DirCacheTree root = dc.getCacheTree(true);
            Assert.IsNotNull(root);
            Assert.AreSame(root, dc.getCacheTree(true));
            Assert.AreEqual(string.Empty, root.getNameString());
            Assert.AreEqual(string.Empty, root.getPathString());
            Assert.AreEqual(1, root.getChildCount());
            Assert.AreEqual(dc.getEntryCount(), root.getEntrySpan());
            Assert.IsFalse(root.isValid());

            DirCacheTree aTree = root.getChild(0);
            Assert.IsNotNull(aTree);
            Assert.AreSame(aTree, root.getChild(0));
            Assert.AreEqual("a", aTree.getNameString());
            Assert.AreEqual("a/", aTree.getPathString());
            Assert.AreEqual(0, aTree.getChildCount());
            Assert.AreEqual(aLast - aFirst + 1, aTree.getEntrySpan());
            Assert.IsFalse(aTree.isValid());
        }
Exemplo n.º 20
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 /**
  * Append one entry into the resulting entry list.
  * <p>
  * The entry is placed at the end of the entry list. The caller is
  * responsible for making sure the  table is correctly sorted.
  * <p>
  * The {@link #entries} table is automatically expanded if there is
  * insufficient space for the new addition.
  *
  * @param newEntry
  *            the new entry to add.
  */
 protected void fastAdd(DirCacheEntry newEntry)
 {
     if (entries.Length == entryCnt)
     {
         DirCacheEntry[] n = new DirCacheEntry[(entryCnt + 16) * 3 / 2];
         Array.Copy(entries, 0, n, 0, entryCnt);
         entries = n;
     }
     entries[entryCnt++] = newEntry;
 }
Exemplo n.º 21
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 private void beforeAdd(DirCacheEntry newEntry)
 {
     if (FileMode.Tree.Equals(newEntry.getRawMode()))
         throw bad(newEntry, "Adding subtree not allowed");
     if (sorted && entryCnt > 0)
     {
         DirCacheEntry lastEntry = entries[entryCnt - 1];
         int cr = DirCache.cmp(lastEntry, newEntry);
         if (cr > 0)
         {
             // The new entry sorts before the old entry; we are
             // no longer sorted correctly. We'll need to redo
             // the sorting before we can close out the build.
             //
             sorted = false;
         }
         else if (cr == 0)
         {
             // Same file path; we can only insert this if the
             // stages won't be violated.
             //
             int peStage = lastEntry.getStage();
             int dceStage = newEntry.getStage();
             if (peStage == dceStage)
                 throw bad(newEntry, "Duplicate stages not allowed");
             if (peStage == 0 || dceStage == 0)
                 throw bad(newEntry, "Mixed stages not allowed");
             if (peStage > dceStage)
                 sorted = false;
         }
     }
 }
Exemplo n.º 22
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        /**
         * Add a range of existing entries from the destination cache.
         * <p>
         * The entries are placed at the end of the entry list, preserving their
         * current order. The caller is responsible for making sure the  table
         * is correctly sorted.
         * <p>
         * This method copies from the destination cache, which has not yet been
         * updated with this editor's new table. So all offsets into the destination
         * cache are not affected by any updates that may be currently taking place
         * in this editor.
         * <p>
         * The {@link #entries} table is automatically expanded if there is
         * insufficient space for the new additions.
         *
         * @param pos
         *            first entry to copy from the destination cache.
         * @param cnt
         *            number of entries to copy.
         */
        protected void fastKeep(int pos, int cnt)
        {
            if (entryCnt + cnt > entries.Length)
            {
                int m1 = (entryCnt + 16) * 3 / 2;
                int m2 = entryCnt + cnt;
                DirCacheEntry[] n = new DirCacheEntry[Math.Max(m1, m2)];
                Array.Copy(entries, 0, n, 0, entryCnt);
                entries = n;
            }

            cache.toArray(pos, entries, entryCnt, cnt);
            entryCnt += cnt;
        }
Exemplo n.º 23
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 /**
  * Append one entry into the resulting entry list.
  * <p>
  * The entry is placed at the end of the entry list. If the entry causes the
  * list to now be incorrectly sorted a  sorting phase will be
  * automatically enabled within {@link #finish()}.
  * <p>
  * The internal entry table is automatically expanded if there is
  * insufficient space for the new addition.
  *
  * @param newEntry
  *            the new entry to add.
  */
 public void add(DirCacheEntry newEntry)
 {
     beforeAdd(newEntry);
     fastAdd(newEntry);
 }
Exemplo n.º 24
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 /**
  * Update the DirCache with the contents of {@link #entries}.
  * <p>
  * This method should be invoked only during an implementation of
  * {@link #finish()}, and only after {@link #entries} is sorted.
  */
 protected void replace()
 {
     if (entryCnt < entries.Length / 2)
     {
         DirCacheEntry[] n = new DirCacheEntry[entryCnt];
         Array.Copy(entries, 0, n, 0, entryCnt);
         entries = n;
     }
     cache.replace(entries, entryCnt);
 }
Exemplo n.º 25
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        private void readFrom(FileStream inStream)
        {
            var @in = new StreamReader(inStream);
            MessageDigest md = Constants.newMessageDigest();

            // Read the index header and verify we understand it.
            //
            byte[] hdr = new byte[20];
            NB.ReadFully(inStream, hdr, 0, 12);
            md.Update(hdr, 0, 12);
            if (!is_DIRC(hdr))
                throw new CorruptObjectException("Not a DIRC file.");
            int ver = NB.decodeInt32(hdr, 4);
            if (ver != 2)
                throw new CorruptObjectException("Unknown DIRC version " + ver);
            entryCnt = NB.decodeInt32(hdr, 8);
            if (entryCnt < 0)
                throw new CorruptObjectException("DIRC has too many entries.");

            // Load the individual file entries.
            //
            byte[] infos = new byte[INFO_LEN * entryCnt];
            sortedEntries = new DirCacheEntry[entryCnt];
            for (int i = 0; i < entryCnt; i++)
                sortedEntries[i] = new DirCacheEntry(infos, i * INFO_LEN, inStream, md);
            lastModified = liveFile.LastAccessTime;

            // After the file entries are index extensions, and then a footer.
            //
            for (; ; )
            {
                var pos = inStream.Position;
                NB.ReadFully(inStream, hdr, 0, 20);
                if (@in.Read() < 0)
                {
                    // No extensions present; the file ended where we expected.
                    //
                    break;
                }
                inStream.Seek(pos, SeekOrigin.Begin);

                switch (NB.decodeInt32(hdr, 0))
                {
                    case EXT_TREE:
                        {
                            byte[] raw = new byte[NB.decodeInt32(hdr, 4)];
                            md.Update(hdr, 0, 8);
                            NB.skipFully(inStream, 8);
                            NB.ReadFully(inStream, raw, 0, raw.Length);
                            md.Update(raw, 0, raw.Length);
                            tree = new DirCacheTree(raw, new MutableInteger(), null);
                            break;
                        }
                    default:
                        if (hdr[0] >= (byte)'A' && hdr[0] <= (byte)'Z')
                        {
                            // The extension is optional and is here only as
                            // a performance optimization. Since we do not
                            // understand it, we can safely skip past it.
                            //
                            NB.skipFully(inStream, NB.decodeUInt32(hdr, 4));
                        }
                        else
                        {
                            // The extension is not an optimization and is
                            // _required_ to understand this index format.
                            // Since we did not trap it above we must abort.
                            //
                            throw new CorruptObjectException("DIRC extension '"
                                    + Constants.CHARSET.GetString(hdr.Take(4).ToArray())
                                    + "' not supported by this version.");
                        }
                        break;
                }
            }

            byte[] exp = md.Digest();
            if (!exp.SequenceEqual( hdr))
            {
                throw new CorruptObjectException("DIRC checksum mismatch");
            }
        }
Exemplo n.º 26
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 /// <summary>
 /// Create a new unmerged path exception.
 /// </summary>
 /// <param name="entry">The first non-zero stage of the unmerged path.</param>
 public UnmergedPathException(DirCacheEntry entry)
     : base("Unmerged path: " + entry.getPathString())
 {
     _entry = entry;
 }
Exemplo n.º 27
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 public void toArray(int i, DirCacheEntry[] dst, int off, int cnt)
 {
     Array.Copy(sortedEntries, i, dst, off, cnt);
 }
Exemplo n.º 28
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        /**
         * Write (if necessary) this tree to the object store.
         *
         * @param cache
         *            the complete cache from DirCache.
         * @param cIdx
         *            first position of <code>cache</code> that is a member of this
         *            tree. The path of <code>cache[cacheIdx].path</code> for the
         *            range <code>[0,pathOff-1)</code> matches the complete path of
         *            this tree, from the root of the repository.
         * @param pathOffset
         *            number of bytes of <code>cache[cacheIdx].path</code> that
         *            matches this tree's path. The value at array position
         *            <code>cache[cacheIdx].path[pathOff-1]</code> is always '/' if
         *            <code>pathOff</code> is > 0.
         * @param ow
         *            the writer to use when serializing to the store.
         * @return identity of this tree.
         * @throws UnmergedPathException
         *             one or more paths contain higher-order stages (stage > 0),
         *             which cannot be stored in a tree object.
         * @throws IOException
         *             an unexpected error occurred writing to the object store.
         */
        public ObjectId writeTree(DirCacheEntry[] cache, int cIdx, int pathOffset, ObjectWriter ow)
        {
            if (id == null)
            {
                int endIdx = cIdx + entrySpan;
                int size = computeSize(cache, cIdx, pathOffset, ow);
                var @out = new MemoryStream(size);
                int childIdx = 0;
                int entryIdx = cIdx;

                while (entryIdx < endIdx)
                {
                    DirCacheEntry e = cache[entryIdx];
                    byte[] ep = e.path;
                    if (childIdx < childCnt)
                    {
                        DirCacheTree st = children[childIdx];
                        if (st.contains(ep, pathOffset, ep.Length))
                        {
                            FileMode.Tree.CopyTo(@out);
                            @out.Write(new byte[] { (byte)' ' }, 0, 1);
                            @out.Write(st.encodedName, 0, st.encodedName.Length);
                            @out.Write(new byte[] { (byte)0 }, 0, 1);
                            st.id.copyRawTo(@out);

                            entryIdx += st.entrySpan;
                            childIdx++;
                            continue;
                        }
                    }

                    e.getFileMode().CopyTo(@out);
                    @out.Write(new byte[] { (byte)' ' }, 0, 1);
                    @out.Write(ep, pathOffset, ep.Length - pathOffset);
                    @out.Write(new byte[] { 0 }, 0, 1);
                    @out.Write(e.idBuffer(), e.idOffset(), Constants.OBJECT_ID_LENGTH);
                    entryIdx++;
                }

                id = ow.WriteCanonicalTree(@out.ToArray());
            }
            return id;
        }
Exemplo n.º 29
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 public static int cmp(byte[] aPath, int aLen, DirCacheEntry b)
 {
     return cmp(aPath, aLen, b.path, b.path.Length);
 }
Exemplo n.º 30
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        private int computeSize(DirCacheEntry[] cache, int cIdx, int pathOffset, ObjectWriter ow)
        {
            int endIdx = cIdx + entrySpan;
            int childIdx = 0;
            int entryIdx = cIdx;
            int size = 0;

            while (entryIdx < endIdx)
            {
                DirCacheEntry e = cache[entryIdx];
                if (e.getStage() != 0)
                    throw new UnmergedPathException(e);

                byte[] ep = e.path;
                if (childIdx < childCnt)
                {
                    DirCacheTree st = children[childIdx];
                    if (st.contains(ep, pathOffset, ep.Length))
                    {
                        int stOffset = pathOffset + st.nameLength() + 1;
                        st.writeTree(cache, entryIdx, stOffset, ow);

                        size += FileMode.Tree.copyToLength();
                        size += st.nameLength();
                        size += Constants.OBJECT_ID_LENGTH + 2;

                        entryIdx += st.entrySpan;
                        childIdx++;
                        continue;
                    }
                }

                FileMode mode = e.getFileMode();
                if ((int)mode.ObjectType == Constants.OBJ_BAD)
                    throw new UnmergedPathException(e);

                size += mode.copyToLength();
                size += ep.Length - pathOffset;
                size += Constants.OBJECT_ID_LENGTH + 2;
                entryIdx++;
            }

            return size;
        }