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#pragma once
#include "indexer/cell_id.hpp"
#include "indexer/feature_data.hpp"
#include "geometry/point2d.hpp"
#include "geometry/rect2d.hpp"
#include "base/buffer_vector.hpp"
#include "std/string.hpp"
namespace feature
{
class LoaderBase;
class LoaderCurrent;
}
namespace old_101 { namespace feature
{
class LoaderImpl;
}}
/// Base feature class for storing common data (without geometry).
class FeatureBase
{
static const int m_maxTypesCount = feature::max_types_count;
public:
typedef char const * BufferT;
void Deserialize(feature::LoaderBase * pLoader, BufferT buffer);
/// @name Parse functions. Do simple dispatching to m_pLoader.
//@{
void ParseTypes() const;
void ParseCommon() const;
//@}
feature::EGeomType GetFeatureType() const;
inline uint8_t GetTypesCount() const
{
return ((Header() & feature::HEADER_TYPE_MASK) + 1);
}
inline int8_t GetLayer() const
{
if (!(Header() & feature::HEADER_HAS_LAYER))
return 0;
ParseCommon();
return m_params.layer;
}
inline bool HasName() const
{
return (Header() & feature::HEADER_HAS_NAME) != 0;
}
// Array with 64 strings ??? Use ForEachName instead!
/*
class GetNamesFn
{
public:
string m_names[64];
char m_langs[64];
size_t m_size;
GetNamesFn() : m_size(0) {}
bool operator() (char lang, string const & name)
{
m_names[m_size++] = name;
m_langs[m_size] = lang;
return true;
}
};
*/
template <class T>
inline bool ForEachNameRef(T & functor) const
{
if (!HasName())
return false;
ParseCommon();
m_params.name.ForEachRef(functor);
return true;
}
inline m2::RectD GetLimitRect() const
{
ASSERT ( m_limitRect.IsValid(), () );
return m_limitRect;
}
inline m2::PointD GetCenter() const
{
ASSERT_EQUAL ( GetFeatureType(), feature::GEOM_POINT, () );
ParseCommon();
return m_center;
}
template <typename ToDo>
void ForEachType(ToDo f) const
{
ParseTypes();
uint32_t const count = GetTypesCount();
for (size_t i = 0; i < count; ++i)
f(m_types[i]);
}
protected:
/// @name Need for FeatureBuilder.
//@{
friend class FeatureBuilder1;
inline void SetHeader(uint8_t h) { m_header = h; }
//@}
string DebugString() const;
inline uint8_t Header() const { return m_header; }
protected:
feature::LoaderBase * m_pLoader;
uint8_t m_header;
mutable uint32_t m_types[m_maxTypesCount];
mutable FeatureParamsBase m_params;
mutable m2::PointD m_center;
mutable m2::RectD m_limitRect;
mutable bool m_bTypesParsed, m_bCommonParsed;
friend class feature::LoaderCurrent;
friend class old_101::feature::LoaderImpl;
};
/// Working feature class with geometry.
class FeatureType : public FeatureBase
{
typedef FeatureBase base_type;
FeatureID m_id;
public:
void Deserialize(feature::LoaderBase * pLoader, BufferT buffer);
inline void SetID(FeatureID const & id) { m_id = id; }
inline FeatureID GetID() const { return m_id; }
/// @name Parse functions. Do simple dispatching to m_pLoader.
//@{
void ParseHeader2() const;
void ResetGeometry() const;
uint32_t ParseGeometry(int scale) const;
uint32_t ParseTriangles(int scale) const;
void ParseMetadata() const;
//@}
/// @name Geometry.
//@{
/// This constant values should be equal with feature::LoaderBase implementation.
enum { BEST_GEOMETRY = -1, WORST_GEOMETRY = -2 };
m2::RectD GetLimitRect(int scale) const;
bool IsEmptyGeometry(int scale) const;
template <typename FunctorT>
void ForEachPointRef(FunctorT & f, int scale) const
{
ParseGeometry(scale);
if (m_points.empty())
{
// it's a point feature
if (GetFeatureType() == feature::GEOM_POINT)
f(m_center);
}
else
{
for (size_t i = 0; i < m_points.size(); ++i)
f(m_points[i]);
}
}
inline size_t GetPointsCount() const
{
ASSERT(m_bPointsParsed, ());
return m_points.size();
}
inline m2::PointD const & GetPoint(size_t i) const
{
ASSERT_LESS(i, m_points.size(), ());
ASSERT(m_bPointsParsed, ());
return m_points[i];
}
template <typename FunctorT>
void ForEachPoint(FunctorT f, int scale) const
{
ForEachPointRef(f, scale);
}
template <typename FunctorT>
void ForEachTriangleRef(FunctorT & f, int scale) const
{
ParseTriangles(scale);
for (size_t i = 0; i < m_triangles.size();)
{
f(m_triangles[i], m_triangles[i+1], m_triangles[i+2]);
i += 3;
}
}
template <typename FunctorT>
void ForEachTriangle(FunctorT f, int scale) const
{
ForEachTriangleRef(f, scale);
}
template <typename FunctorT>
void ForEachTriangleExRef(FunctorT & f, int scale) const
{
f.StartPrimitive(m_triangles.size());
ForEachTriangleRef(f, scale);
f.EndPrimitive();
}
//@}
/// For test cases only.
string DebugString(int scale) const;
friend string DebugPrint(FeatureType const & ft);
string GetHouseNumber() const;
/// @name Get names for feature.
/// @param[out] defaultName corresponds to osm tag "name"
/// @param[out] intName optionally choosen from tags "name:<lang_code>" by the algorithm
//@{
/// Just get feature names.
void GetPreferredNames(string & defaultName, string & intName) const;
/// Get one most suitable name for user.
void GetReadableName(string & name) const;
static int8_t const DEFAULT_LANG = StringUtf8Multilang::DEFAULT_CODE;
bool GetName(int8_t lang, string & name) const;
//@}
uint8_t GetRank() const;
uint32_t GetPopulation() const;
string GetRoadNumber() const;
bool HasInternet() const;
inline feature::Metadata const & GetMetadata() const { return m_metadata; }
inline feature::Metadata & GetMetadata() { return m_metadata; }
double GetDistance(m2::PointD const & pt, int scale) const;
/// @name Statistic functions.
//@{
inline void ParseBeforeStatistic() const
{
ParseHeader2();
}
struct inner_geom_stat_t
{
uint32_t m_points, m_strips, m_size;
void MakeZero()
{
m_points = m_strips = m_size = 0;
}
};
inner_geom_stat_t GetInnerStatistic() const { return m_innerStats; }
struct geom_stat_t
{
uint32_t m_size, m_count;
geom_stat_t(uint32_t sz, size_t count)
: m_size(sz), m_count(static_cast<uint32_t>(count))
{
}
geom_stat_t() : m_size(0), m_count(0) {}
};
geom_stat_t GetGeometrySize(int scale) const;
geom_stat_t GetTrianglesSize(int scale) const;
//@}
void SwapGeometry(FeatureType & r);
inline void SwapPoints(buffer_vector<m2::PointD, 32> & points) const
{
ASSERT(m_bPointsParsed, ());
return m_points.swap(points);
}
private:
void ParseAll(int scale) const;
// For better result this value should be greater than 17
// (number of points in inner triangle-strips).
static const size_t static_buffer = 32;
typedef buffer_vector<m2::PointD, static_buffer> points_t;
mutable points_t m_points, m_triangles;
mutable feature::Metadata m_metadata;
mutable bool m_bHeader2Parsed, m_bPointsParsed, m_bTrianglesParsed, m_bMetadataParsed;
mutable inner_geom_stat_t m_innerStats;
friend class feature::LoaderCurrent;
friend class old_101::feature::LoaderImpl;
};
namespace feature
{
template <class IterT>
void CalcRect(IterT b, IterT e, m2::RectD & rect)
{
while (b != e)
rect.Add(*b++);
}
template <class TCont>
void CalcRect(TCont const & points, m2::RectD & rect)
{
CalcRect(points.begin(), points.end(), rect);
}
}
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