One Month In Minsk. Made in Belarus.

1 files changed, 39 insertions, 0 deletions

diff --git a/indexer/index_builder.cpp b/indexer/index_builder.cpp
new file mode 100644
index 0000000000..6b86cef541
--- /dev/null
+++ b/indexer/index_builder.cpp
@@ -0,0 +1,39 @@
+#include "index_builder.hpp"
+#include "feature_processor.hpp"
+#include "features_vector.hpp"
+#include "../coding/file_reader.hpp"
+
+namespace indexer
+{
+  bool BuildIndexFromDatFile(string const & fullIndexFilePath, string const & fullDatFilePath,
+                             string const & tmpFilePath)
+  {
+    try
+    {
+      FileReader dataReader(fullDatFilePath);
+      // skip xml header with metadata
+      uint64_t startOffset = feature::ReadDatHeaderSize(dataReader);
+      FileReader subReader = dataReader.SubReader(startOffset, dataReader.Size() - startOffset);
+      FeaturesVector<FileReader> featuresVector(subReader);
+
+      FileWriter indexWriter(fullIndexFilePath.c_str());
+      BuildIndex(featuresVector, indexWriter, tmpFilePath);
+    }
+    catch (Reader::OpenException const & e)
+    {
+      LOG(LERROR, (e.what(), " file is not found"));
+      return false;
+    }
+    catch (Reader::Exception const & e)
+    {
+      LOG(LERROR, ("Unknown error while reading file ", e.what()));
+      return false;
+    }
+    catch (Writer::Exception const & e)
+    {
+      LOG(LERROR, ("Error writing index file", e.what()));
+    }
+
+    return true;
+  }
+} // namespace indexer