1 files changed, 140 insertions, 0 deletions
diff --git a/source/blender/alembic/intern/abc_reader_archive.cc b/source/blender/alembic/intern/abc_reader_archive.cc
new file mode 100644
index 00000000000..6ad44553701
--- /dev/null
+++ b/source/blender/alembic/intern/abc_reader_archive.cc
@@ -0,0 +1,140 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software  Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2016 Kévin Dietrich.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup balembic
+ */
+
+#include "abc_reader_archive.h"
+
+extern "C" {
+#include "BKE_main.h"
+
+#include "BLI_path_util.h"
+#include "BLI_string.h"
+}
+
+#ifdef WIN32
+#  include "utfconv.h"
+#endif
+
+#include <fstream>
+
+using Alembic::Abc::ErrorHandler;
+using Alembic::Abc::Exception;
+using Alembic::Abc::IArchive;
+using Alembic::Abc::kWrapExisting;
+
+static IArchive open_archive(const std::string &filename,
+                             const std::vector<std::istream *> &input_streams,
+                             bool &is_hdf5)
+{
+  is_hdf5 = false;
+
+  try {
+    Alembic::AbcCoreOgawa::ReadArchive archive_reader(input_streams);
+
+    return IArchive(archive_reader(filename), kWrapExisting, ErrorHandler::kThrowPolicy);
+  }
+  catch (const Exception &e) {
+    std::cerr << e.what() << '\n';
+
+#ifdef WITH_ALEMBIC_HDF5
+    try {
+      is_hdf5 = true;
+      Alembic::AbcCoreAbstract::ReadArraySampleCachePtr cache_ptr;
+
+      return IArchive(Alembic::AbcCoreHDF5::ReadArchive(),
+                      filename.c_str(),
+                      ErrorHandler::kThrowPolicy,
+                      cache_ptr);
+    }
+    catch (const Exception &) {
+      std::cerr << e.what() << '\n';
+      return IArchive();
+    }
+#else
+    /* Inspect the file to see whether it's really a HDF5 file. */
+    char header[4]; /* char(0x89) + "HDF" */
+    std::ifstream the_file(filename.c_str(), std::ios::in | std::ios::binary);
+    if (!the_file) {
+      std::cerr << "Unable to open " << filename << std::endl;
+    }
+    else if (!the_file.read(header, sizeof(header))) {
+      std::cerr << "Unable to read from " << filename << std::endl;
+    }
+    else if (strncmp(header + 1, "HDF", 3)) {
+      std::cerr << filename << " has an unknown file format, unable to read." << std::endl;
+    }
+    else {
+      is_hdf5 = true;
+      std::cerr << filename << " is in the obsolete HDF5 format, unable to read." << std::endl;
+    }
+
+    if (the_file.is_open()) {
+      the_file.close();
+    }
+
+    return IArchive();
+#endif
+  }
+
+  return IArchive();
+}
+
+ArchiveReader::ArchiveReader(struct Main *bmain, const char *filename)
+{
+  char abs_filename[FILE_MAX];
+  BLI_strncpy(abs_filename, filename, FILE_MAX);
+  BLI_path_abs(abs_filename, BKE_main_blendfile_path(bmain));
+
+#ifdef WIN32
+  UTF16_ENCODE(abs_filename);
+  std::wstring wstr(abs_filename_16);
+  m_infile.open(wstr.c_str(), std::ios::in | std::ios::binary);
+  UTF16_UN_ENCODE(abs_filename);
+#else
+  m_infile.open(abs_filename, std::ios::in | std::ios::binary);
+#endif
+
+  m_streams.push_back(&m_infile);
+
+  m_archive = open_archive(abs_filename, m_streams, m_is_hdf5);
+
+  /* We can't open an HDF5 file from a stream, so close it. */
+  if (m_is_hdf5) {
+    m_infile.close();
+    m_streams.clear();
+  }
+}
+
+bool ArchiveReader::is_hdf5() const
+{
+  return m_is_hdf5;
+}
+
+bool ArchiveReader::valid() const
+{
+  return m_archive.valid();
+}
+
+Alembic::Abc::IObject ArchiveReader::getTop()
+{
+  return m_archive.getTop();
+}