cnorxz/src/include/ranges/range_base.h
2018-10-22 14:27:55 +02:00

118 lines
2.6 KiB
C++

// -*- C++ -*-
#ifndef __range_base_h__
#define __range_base_h__
#include <cstdlib>
#include <vector>
#include <memory>
#include "rbase_def.h"
namespace MultiArrayTools
{
class RangeBase;
}
namespace MultiArrayTools
{
size_t indexId();
enum class SpaceType
{
NONE = 0, // meta data is that of a classic range, i.e. 0,1,2,...,N-1
ANY = 1, // meta data is arbitrary, i.e. explicitly stored; range could be multiple
#define include_range_type(x,n) x = n,
#include "range_types/header.h"
#undef include_range_type
ANON = -1, // anonymous content
DYN = -2 // dynamic content
};
struct DataHeader
{
public:
static constexpr size_t VERSION = 1; // fixed by version of this repository !
private:
size_t version = VERSION;
public:
int spaceType = static_cast<int>( SpaceType::NONE );
size_t metaSize = 0; // size of meta data
int multiple = 0; // = 1 if multi range
int metaType = 0; // type of meta data
inline size_t v() const { return version; }
};
class RangeFactoryBase
{
public:
RangeFactoryBase() = default;
virtual ~RangeFactoryBase() = default;
// should return mProd !!
virtual std::shared_ptr<RangeBase> create() = 0;
protected:
std::shared_ptr<RangeBase> mProd;
// call this function before returning product !!
void setSelf();
};
std::shared_ptr<RangeFactoryBase> createRangeFactory(const char** dp);
class RangeBase
{
public:
static constexpr bool ISINDEX = false;
virtual ~RangeBase() = default;
virtual size_t size() const = 0;
virtual size_t dim() const = 0;
bool operator==(const RangeBase& in) const;
bool operator!=(const RangeBase& in) const;
virtual std::string stringMeta(size_t pos) const = 0;
virtual std::vector<char> data() const = 0; // usefull when writing to files, etc...
virtual SpaceType spaceType() const = 0;
//virtual bool regular() const = 0; // integer distance (e.g. 2,3,4,...)
//virtual bool linear() const = 0; // 1dim valuable (e.g. 2.45, 3.12, 3.56,...)
//virtual bool multi() const = 0; // mdim
//virtual bool maplike() const = 0; // meta type is ~ MultiArray<T,...>
friend RangeFactoryBase;
protected:
RangeBase() = default;
std::weak_ptr<RangeBase> mThis;
};
template <class Index>
class RangeInterface : public RangeBase
{
public:
//typedef typename Index::MetaType MetaType;
typedef Index IndexType;
static constexpr SpaceType STYPE = IndexType::STYPE;
virtual Index begin() const = 0;
virtual Index end() const = 0;
protected:
RangeInterface() = default;
};
}
#endif