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#include "generator/maxspeeds_builder.hpp"
#include "generator/maxspeeds_parser.hpp"
#include "generator/routing_helpers.hpp"
#include "routing/maxspeeds_serialization.hpp"
#include "routing/routing_helpers.hpp"
#include "routing_common/maxspeed_conversion.hpp"
#include "indexer/feature.hpp"
#include "indexer/feature_data.hpp"
#include "indexer/feature_processor.hpp"
#include "coding/file_container.hpp"
#include "coding/file_writer.hpp"
#include "platform/measurement_utils.hpp"
#include "base/assert.hpp"
#include "base/logging.hpp"
#include "base/string_utils.hpp"
#include <algorithm>
#include <fstream>
#include <sstream>
#include <utility>
#include "defines.hpp"
using namespace feature;
using namespace generator;
using namespace routing;
using namespace std;
namespace
{
char const kDelim[] = ", \t\r\n";
bool ParseOneSpeedValue(strings::SimpleTokenizer & iter, uint16_t & value)
{
if (!iter)
return false;
uint64_t parsedSpeed = 0;
if (!strings::to_uint64(*iter, parsedSpeed))
return false;
if (parsedSpeed > numeric_limits<uint16_t>::max())
return false;
value = static_cast<uint16_t>(parsedSpeed);
++iter;
return true;
}
FeatureMaxspeed ToFeatureMaxspeed(uint32_t featureId, Maxspeed const & maxspeed)
{
return FeatureMaxspeed(featureId, maxspeed.GetUnits(), maxspeed.GetForward(),
maxspeed.GetBackward());
}
/// \brief Collects all maxspeed tag values of specified mwm based on maxspeeds.csv file.
class MaxspeedsMwmCollector
{
public:
MaxspeedsMwmCollector(string const & dataPath,
map<uint32_t, base::GeoObjectId> const & featureIdToOsmId,
string const & maxspeedCsvPath);
vector<FeatureMaxspeed> && StealMaxspeeds();
private:
vector<FeatureMaxspeed> m_maxspeeds;
};
MaxspeedsMwmCollector::MaxspeedsMwmCollector(
string const & dataPath, map<uint32_t, base::GeoObjectId> const & featureIdToOsmId,
string const & maxspeedCsvPath)
{
OsmIdToMaxspeed osmIdToMaxspeed;
CHECK(ParseMaxspeeds(maxspeedCsvPath, osmIdToMaxspeed), (maxspeedCsvPath));
ForEachFromDat(dataPath, [&](FeatureType & ft, uint32_t fid) {
if (!routing::IsCarRoad(TypesHolder(ft)))
return;
auto const osmIdIt = featureIdToOsmId.find(fid);
if (osmIdIt == featureIdToOsmId.cend())
return;
// @TODO Consider adding check here. |fid| should be in |featureIdToOsmId| anyway.
auto const maxspeedIt = osmIdToMaxspeed.find(osmIdIt->second);
if (maxspeedIt == osmIdToMaxspeed.cend())
return;
auto const & maxspeed = maxspeedIt->second;
m_maxspeeds.push_back(ToFeatureMaxspeed(fid, maxspeed));
});
}
vector<FeatureMaxspeed> && MaxspeedsMwmCollector::StealMaxspeeds()
{
CHECK(is_sorted(m_maxspeeds.cbegin(), m_maxspeeds.cend(), IsFeatureIdLess), ());
return move(m_maxspeeds);
}
} // namespace
namespace routing
{
bool ParseMaxspeeds(string const & maxspeedsFilename, OsmIdToMaxspeed & osmIdToMaxspeed)
{
osmIdToMaxspeed.clear();
ifstream stream(maxspeedsFilename);
if (!stream)
return false;
string line;
while (getline(stream, line))
{
strings::SimpleTokenizer iter(line, kDelim);
if (!iter) // the line is empty
return false;
// @TODO(bykoianko) strings::to_uint64 returns not-zero value if |*iter| is equal to
// a too long string of numbers. But ParseMaxspeeds() should return false in this case.
uint64_t osmId = 0;
if (!strings::to_uint64(*iter, osmId))
return false;
++iter;
if (!iter)
return false;
Maxspeed speed;
speed.SetUnits(StringToUnits(*iter));
++iter;
uint16_t forward = 0;
if (!ParseOneSpeedValue(iter, forward))
return false;
speed.SetForward(forward);
if (iter)
{
// There's backward maxspeed limit.
uint16_t backward = 0;
if (!ParseOneSpeedValue(iter, backward))
return false;
speed.SetBackward(backward);
if (iter)
return false;
}
auto const res = osmIdToMaxspeed.insert(make_pair(base::MakeOsmWay(osmId), speed));
if (!res.second)
return false;
}
return true;
}
void SerializeMaxspeeds(string const & dataPath, vector<FeatureMaxspeed> && speeds)
{
if (speeds.empty())
return;
FilesContainerW cont(dataPath, FileWriter::OP_WRITE_EXISTING);
FileWriter writer = cont.GetWriter(MAXSPEEDS_FILE_TAG);
MaxspeedsSerializer::Serialize(speeds, writer);
LOG(LINFO, ("SerializeMaxspeeds(", dataPath, ", ...) serialized:", speeds.size(), "maxspeed tags."));
}
void BuildMaxspeedsSection(string const & dataPath,
map<uint32_t, base::GeoObjectId> const & featureIdToOsmId,
string const & maxspeedsFilename)
{
MaxspeedsMwmCollector collector(dataPath, featureIdToOsmId, maxspeedsFilename);
SerializeMaxspeeds(dataPath, collector.StealMaxspeeds());
}
void BuildMaxspeedsSection(string const & dataPath, string const & osmToFeaturePath,
string const & maxspeedsFilename)
{
LOG(LINFO, ("BuildMaxspeedsSection(", dataPath, ",", osmToFeaturePath, ",", maxspeedsFilename, ")"));
map<uint32_t, base::GeoObjectId> featureIdToOsmId;
CHECK(ParseRoadsFeatureIdToOsmIdMapping(osmToFeaturePath, featureIdToOsmId), ());
BuildMaxspeedsSection(dataPath, featureIdToOsmId, maxspeedsFilename);
}
} // namespace routing
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