classificator_loader.cpp

#include "indexer/classificator_loader.hpp"
#include "indexer/classificator.hpp"
#include "indexer/drawing_rules.hpp"
#include "indexer/map_style_reader.hpp"

#include "platform/platform.hpp"

#include "coding/reader_streambuf.hpp"

#include "base/logging.hpp"

#include "std/iostream.hpp"


namespace
{
  void ReadCommon(Reader * classificator,
                  Reader * types)
  {
    Classificator & c = classif();
    c.Clear();

    {
      //LOG(LINFO, ("Reading classificator"));
      ReaderStreamBuf buffer(classificator);

      istream s(&buffer);
      c.ReadClassificator(s);
    }

    {
      //LOG(LINFO, ("Reading types mapping"));
      ReaderStreamBuf buffer(types);

      istream s(&buffer);
      c.ReadTypesMapping(s);
    }
  }
}

namespace classificator
{
  void Load()
  {
    LOG(LDEBUG, ("Reading of classificator started"));

    Platform & p = GetPlatform();

    MapStyle const originMapStyle = GetStyleReader().GetCurrentStyle();

    for (size_t i = 0; i < MapStyleCount; ++i)
    {
      MapStyle const mapStyle = static_cast<MapStyle>(i);
      // Read the merged style only if it was requested.
      if (mapStyle != MapStyleMerged || originMapStyle == MapStyleMerged)
      {
        GetStyleReader().SetCurrentStyle(mapStyle);

        ReadCommon(p.GetReader("classificator.txt"),
                   p.GetReader("types.txt"));

        drule::LoadRules();
      }
    }

    GetStyleReader().SetCurrentStyle(originMapStyle);

    LOG(LDEBUG, ("Reading of classificator finished"));
  }
}