One Month In Minsk. Made in Belarus.

1 files changed, 53 insertions, 0 deletions

diff --git a/indexer/features_vector.hpp b/indexer/features_vector.hpp
new file mode 100644
index 0000000000..8000ea66fa
--- /dev/null
+++ b/indexer/features_vector.hpp
@@ -0,0 +1,53 @@
+#pragma once
+#include "../indexer/feature.hpp"
+#include "../coding/var_record_reader.hpp"
+#include "../base/base.hpp"
+#include "../std/bind.hpp"
+
+template <typename ReaderT>
+class FeaturesVector
+{
+public:
+  typedef ReaderT ReaderType;
+
+  explicit FeaturesVector(ReaderT const & reader) : m_RecordReader(reader, 256)
+  {
+  }
+
+  void Get(uint64_t pos, Feature & feature) const
+  {
+    vector<char> record;
+    uint32_t offset;
+    m_RecordReader.ReadRecord(pos, record, offset);
+    feature.Deserialize(record, offset);
+  }
+
+  template <class TDo> void ForEachOffset(TDo const & toDo) const
+  {
+    Feature f;
+    m_RecordReader.ForEachRecord(
+        bind<void>(toDo, bind(&FeaturesVector<ReaderT>::DeserializeFeature, this, _2, _3, &f), _1));
+  }
+
+  template <class TDo> void ForEach(TDo const & toDo) const
+  {
+    Feature f;
+    m_RecordReader.ForEachRecord(
+        bind<void>(toDo, bind(&FeaturesVector<ReaderT>::DeserializeFeature, this, _2, _3, &f)));
+  }
+
+  bool IsMyData(string const & fName) const
+  {
+    return m_RecordReader.IsEqual(fName);
+  }
+
+private:
+  Feature const & DeserializeFeature(char const * data, uint32_t size, Feature * pFeature) const
+  {
+    vector<char> data1(data, data + size);
+    pFeature->Deserialize(data1);
+    return *pFeature;
+  }
+
+  VarRecordReader<ReaderT, &VarRecordSizeReaderVarint> m_RecordReader;
+};