Esempio n. 1
0
  @Nullable
  private static MarkdownFile findFile(RevWalk rw, RevTree root, String path) throws IOException {
    if (Strings.isNullOrEmpty(path)) {
      path = INDEX_MD;
    }

    ObjectReader reader = rw.getObjectReader();
    try (TreeWalk tw = TreeWalk.forPath(reader, path, root)) {
      if (tw == null) {
        return null;
      }
      if ((tw.getRawMode(0) & TYPE_MASK) == TYPE_TREE) {
        if (findIndexFile(tw)) {
          path = tw.getPathString();
        } else {
          return null;
        }
      }
      if ((tw.getRawMode(0) & TYPE_MASK) == TYPE_FILE) {
        if (!path.endsWith(".md")) {
          return null;
        }
        return new MarkdownFile(path, tw.getObjectId(0));
      }
      return null;
    }
  }
Esempio n. 2
0
  private DhtRef doPeel(final Ref leaf) throws MissingObjectException, IOException {
    RevWalk rw = new RevWalk(getRepository());
    try {
      DhtReader ctx = (DhtReader) rw.getObjectReader();
      RevObject obj = rw.parseAny(leaf.getObjectId());
      RefData.Builder d = RefData.newBuilder(((DhtRef) leaf).getRefData());

      ChunkKey oKey = ctx.findChunk(leaf.getObjectId());
      if (oKey != null) d.getTargetBuilder().setChunkKey(oKey.asString());
      else d.getTargetBuilder().clearChunkKey();

      if (obj instanceof RevTag) {
        ObjectId pId = rw.peel(obj);
        d.getPeeledBuilder().setObjectName(pId.name());

        ChunkKey pKey = ctx.findChunk(pId);
        if (pKey != null) d.getPeeledBuilder().setChunkKey(pKey.asString());
        else d.getPeeledBuilder().clearChunkKey();
      } else {
        d.clearPeeled();
      }

      d.setIsPeeled(true);
      d.setSequence(d.getSequence() + 1);
      return new DhtObjectIdRef(leaf.getName(), d.build());
    } finally {
      rw.release();
    }
  }
Esempio n. 3
0
  @Override
  protected void doGetHtml(HttpServletRequest req, HttpServletResponse res) throws IOException {
    MarkdownConfig cfg = MarkdownConfig.get(getAccess(req).getConfig());
    if (!cfg.render) {
      res.setStatus(SC_NOT_FOUND);
      return;
    }

    GitilesView view = ViewFilter.getView(req);
    Repository repo = ServletUtils.getRepository(req);
    try (RevWalk rw = new RevWalk(repo)) {
      ObjectReader reader = rw.getObjectReader();
      String path = view.getPathPart();
      RevTree root;
      try {
        root = rw.parseTree(view.getRevision().getId());
      } catch (IncorrectObjectTypeException e) {
        res.setStatus(SC_NOT_FOUND);
        return;
      }

      MarkdownFile srcmd = findFile(rw, root, path);
      if (srcmd == null) {
        res.setStatus(SC_NOT_FOUND);
        return;
      }

      MarkdownFile navmd = findFile(rw, root, NAVBAR_MD);
      String curEtag = etag(srcmd, navmd);
      if (etagMatch(req, curEtag)) {
        res.setStatus(SC_NOT_MODIFIED);
        return;
      }

      view = view.toBuilder().setPathPart(srcmd.path).build();
      try {
        srcmd.read(reader, cfg);
        if (navmd != null) {
          navmd.read(reader, cfg);
        }
      } catch (LargeObjectException.ExceedsLimit errBig) {
        fileTooBig(res, view, errBig);
        return;
      } catch (IOException err) {
        readError(res, view, err);
        return;
      }

      MarkdownToHtml.Builder fmt =
          MarkdownToHtml.builder()
              .setConfig(cfg)
              .setGitilesView(view)
              .setRequestUri(req.getRequestURI())
              .setReader(reader)
              .setRootTree(root);
      res.setHeader(HttpHeaders.ETAG, curEtag);
      showDoc(req, res, view, cfg, fmt, navmd, srcmd);
    }
  }
Esempio n. 4
0
  private void initRevPool(boolean reverse) {
    if (queue != null) throw new IllegalStateException();

    if (revPool != null) revPool.release();

    if (reverse) revPool = new ReverseWalk(getRepository());
    else revPool = new RevWalk(getRepository());

    revPool.setRetainBody(true);
    SEEN = revPool.newFlag("SEEN"); // $NON-NLS-1$
    reader = revPool.getObjectReader();
    treeWalk = new TreeWalk(reader);
    treeWalk.setRecursive(true);
  }
Esempio n. 5
0
 /**
  * Lookup an entry stored in a tree, failing if not present.
  *
  * @param tree the tree to search.
  * @param path the path to find the entry of.
  * @return the parsed object entry at this path, never null.
  * @throws Exception
  */
 public RevObject get(final RevTree tree, final String path) throws Exception {
   final TreeWalk tw = new TreeWalk(pool.getObjectReader());
   tw.setFilter(PathFilterGroup.createFromStrings(Collections.singleton(path)));
   tw.reset(tree);
   while (tw.next()) {
     if (tw.isSubtree() && !path.equals(tw.getPathString())) {
       tw.enterSubtree();
       continue;
     }
     final ObjectId entid = tw.getObjectId(0);
     final FileMode entmode = tw.getFileMode(0);
     return pool.lookupAny(entid, entmode.getObjectType());
   }
   fail("Can't find " + path + " in tree " + tree.name());
   return null; // never reached.
 }