[generator_tool] Added feature types dumper

Usage: ./generator_tool -dump_types -output=<mwmFileWithoutExt>

1 files changed, 60 insertions, 0 deletions

diff --git a/generator/dumper.cpp b/generator/dumper.cpp
new file mode 100644
index 0000000000..ca91d3f4de
--- /dev/null
+++ b/generator/dumper.cpp
@@ -0,0 +1,60 @@
+#include "dumper.hpp"
+
+#include "../indexer/feature_processor.hpp"
+#include "../indexer/classificator.hpp"
+
+#include "../std/vector.hpp"
+#include "../std/unordered_map.hpp"
+#include "../std/iostream.hpp"
+
+namespace feature
+{
+  class TypesCollector
+  {
+    vector<uint32_t> m_currFeatureTypes;
+
+  public:
+    typedef unordered_map<vector<uint32_t>, size_t> value_type;
+    value_type m_stats;
+
+    void operator()(FeatureType & f, uint32_t)
+    {
+      m_currFeatureTypes.clear();
+      f.ForEachTypeRef(*this);
+      CHECK(!m_currFeatureTypes.empty(), ("Feature without any type???"));
+      pair<value_type::iterator, bool> found = m_stats.insert(make_pair(m_currFeatureTypes, 1));
+      if (!found.second)
+        found.first->second++;
+    }
+
+    void operator()(uint32_t type)
+    {
+      m_currFeatureTypes.push_back(type);
+    }
+  };
+
+  typedef pair<vector<uint32_t>, size_t> stats_elem_type;
+  static bool SortFunc(stats_elem_type const & first,
+                       stats_elem_type const & second)
+  {
+    return first.second > second.second;
+  }
+
+  void DumpTypes(string const & datFile)
+  {
+    TypesCollector doClass;
+    feature::ForEachFromDat(datFile, doClass);
+
+    typedef vector<stats_elem_type> vec_to_sort;
+    vec_to_sort vecToSort(doClass.m_stats.begin(), doClass.m_stats.end());
+    sort(vecToSort.begin(), vecToSort.end(), SortFunc);
+
+    for (vec_to_sort::iterator it = vecToSort.begin(); it != vecToSort.end(); ++it)
+    {
+      cout << it->second << " ";
+      for (size_t i = 0; i < it->first.size(); ++i)
+        cout << classif().GetFullObjectName(it->first[i]) << " ";
+      cout << endl;
+    }
+  }
+}