AEnum.hpp File Reference

#include "gstlearn_export.hpp"
#include "Basic/VectorT.hpp"
#include "Basic/String.hpp"
#include <iostream>
#include <map>
#include <string_view>

Classes
class	AEnum

Macros
#define	ENUM_ITEM(NAME, x, y, z)   E_ ## x = y,
#define	ENUM_ITEMS(NAME, ...)   EXPAND(REPEAT3(ENUM_ITEM, NAME, __VA_ARGS__))
#define	ENUM_DECL(NAME, x, y, z)   static const NAME x;
#define	ENUM_DECLS(NAME, ...)   EXPAND(REPEAT3(ENUM_DECL, NAME, __VA_ARGS__))
#define	ENUM_IMPL(NAME, x, y, z)   const NAME NAME::x = NAME(#x, y, z);
#define	ENUM_IMPLS(NAME, ...)   EXPAND(REPEAT3(ENUM_IMPL, NAME, __VA_ARGS__))
#define	ENUM_DECLARE_(NAME, DEFAULT, ...)
#define	ENUM_DEFINE_(NAME, DEFAULT, ...)
#define	ENUM_DECLARE(...)   EXPAND(ENUM_DECLARE_(__VA_ARGS__))
#define	ENUM_DEFINE(...)   EXPAND(ENUM_DEFINE_(__VA_ARGS__))

Macro Definition Documentation

ENUM_DECL

#define ENUM_DECL	(		NAME,
			x,
			y,
			z
	)		static const NAME x;

ENUM_DECLARE

#define ENUM_DECLARE

(

...

)

EXPAND(ENUM_DECLARE_(__VA_ARGS__))

ENUM_DECLARE_

#define ENUM_DECLARE_	(		NAME,
			DEFAULT,
			...
	)

Value:

class NAME;\
\
typedef std::map<int, NAME*> NAME ## Map;\
\
class GSTLEARN_EXPORT NAME ## Iterator\
{\
  friend class NAME;\
\
  NAME ## Iterator() = delete;\
  NAME ## Iterator(NAME ## Map* map);\
public:\
  ~NAME ## Iterator() = default;\
  NAME ## Iterator(const NAME ## Iterator&) = default;\
  NAME ## Iterator& operator=(const NAME ## Iterator&) = default;\
\
  const NAME& operator*() const;\
  bool hasNext() const;\
  const NAME& toNext();\
  const NAME& toFront();\
  const NAME& getEnum() const;\
  int getValue() const;\
  const std::string_view getKey() const;\
  const std::string_view getDescr() const;\
\
private:\
  NAME ## Map::iterator _stditer;\
  NAME ## Map*          _refmap;\
};\
\
class GSTLEARN_EXPORT NAME : public AEnum\
{\
\
public:\
  NAME();\
  ~NAME();\
  NAME(const NAME&) = default;\
  NAME(int value);\
  NAME(const std::string_view key);\
  NAME& operator=(const NAME&) = default;\
\
  static size_t getSize();\
  static NAME ## Iterator getIterator();\
  static void printAll();\
  static VectorString getAllKeys();\
  static VectorString getAllDescr();\
\
  static bool existsKey(const std::string_view key);\
  static bool existsValue(int value);\
  static const NAME& fromKey(const std::string_view key);\
  static const NAME& fromValue(int value);\
  static std::vector<NAME> fromKeys(const VectorString& keys);\
  static std::vector<NAME> fromValues(const VectorInt& values);\
\
private:\
  NAME(const std::string_view key, int value, const std::string_view descr);\
\
  static NAME ## Map      _map;\
  static NAME ## Iterator _iterator;\
  static const NAME*      _default;\
\
public:\
  enum E ## NAME\
  {\
    EXPAND(ENUM_ITEMS(NAME, __VA_ARGS__))\
  };\
  E ## NAME toEnum() const;\
\
  EXPAND(ENUM_DECLS(NAME, __VA_ARGS__))\
};\
\

ENUM_DECLS

#define ENUM_DECLS	(		NAME,
			...
	)		EXPAND(REPEAT3(ENUM_DECL, NAME, __VA_ARGS__))

ENUM_DEFINE

#define ENUM_DEFINE

(

...

)

EXPAND(ENUM_DEFINE_(__VA_ARGS__))

ENUM_DEFINE_

#define ENUM_DEFINE_	(		NAME,
			DEFAULT,
			...
	)

Value:

NAME ## Map NAME::_map = NAME ## Map();\
NAME ## Iterator NAME::_iterator = NAME ## Iterator(&NAME::_map);\
\
const NAME* NAME::_default = &NAME::DEFAULT;\
\
NAME::NAME()\
: AEnum(*_default)\
{\
}\
\
NAME::NAME(int value)\
: AEnum(fromValue(value))\
{\
}\
\
NAME::NAME(const std::string_view key)\
: AEnum(fromKey(key))\
{\
}\
\
NAME::NAME(const std::string_view key, int value, const std::string_view descr)\
: AEnum(key, value, descr)\
{\
  if (_map.find(value) != _map.end())\
    throw("Duplicated item");\
  _map[value] = this;\
}\
\
NAME::~NAME()\
{\
}\
\
size_t NAME::getSize()\
{\
  return _map.size();\
}\
\
NAME ## Iterator NAME::getIterator()\
{\
  auto it(_iterator);\
  it.toFront();\
  return it;\
}\
\
void NAME::printAll()\
{\
  auto it(getIterator());\
  while (it.hasNext())\
  {\
    (*it).printEnum();\
    it.toNext();\
  }\
}\
\
VectorString NAME::getAllKeys()\
{\
  VectorString keys;\
  auto it(getIterator());\
  while (it.hasNext())\
  {\
    keys.push_back(String{(*it).getKey()});\
    it.toNext();\
  }\
  return keys;\
}\
\
VectorString NAME::getAllDescr()\
{\
  VectorString descr;\
  auto it(getIterator());\
  while (it.hasNext())\
  {\
    descr.push_back(String{(*it).getDescr()});\
    it.toNext();\
  }\
  return descr;\
}\
\
bool NAME::existsKey(const std::string_view key)\
{\
  auto it = _map.begin();\
  while (it != _map.end())\
  {\
    if (it->second->getKey() == key)\
      return true;\
    it++;\
  }\
  return false;\
}\
\
bool NAME::existsValue(int value)\
{\
  return (_map.find(value) != _map.end());\
}\
\
const NAME& NAME::fromKey(const std::string_view key)\
{\
  auto it = _map.begin();\
  while (it != _map.end())\
  {\
    if (it->second->getKey() == toUpper(key))\
      return (*(it->second));\
    it++;\
  }\
  std::cout << "Unknown key " << key << " for enum " << #NAME << std::endl;\
  return *_default;\
}\
\
const NAME& NAME::fromValue(int value)\
{\
  if (existsValue(value))\
    return (*(_map[value]));\
  std::cout << "Unknown value " << value << " for enum " << #NAME << std::endl;\
  return *_default;\
}\
\
std::vector<NAME> NAME::fromKeys(const VectorString& keys)\
{\
  std::vector<NAME> vec;\
  for (auto v : keys)\
    vec.push_back(fromKey(v));\
  return vec;\
}\
\
std::vector<NAME> NAME::fromValues(const VectorInt& values)\
{\
  std::vector<NAME> vec;\
  for (auto v : values)\
    vec.push_back(fromValue(v));\
  return vec;\
}\
\
NAME::E ## NAME NAME::toEnum() const\
{\
  return static_cast<E ## NAME>(getValue());\
}\
\
EXPAND(ENUM_IMPLS(NAME, __VA_ARGS__))\
\
NAME ## Iterator::NAME ## Iterator(NAME ## Map* map) \
: _stditer(map->begin())\
, _refmap(map)\
{\
}\
\
const NAME& NAME ## Iterator::operator*() const\
{\
  return (*(_stditer->second));\
}\
\
bool NAME ## Iterator::hasNext() const\
{\
  return (_stditer != _refmap->end());\
}\
\
const NAME& NAME ## Iterator::toNext()\
{\
  return (*((_stditer++)->second));\
}\
\
const NAME& NAME ## Iterator::toFront()\
{\
  _stditer = _refmap->begin();\
  return (*(_stditer->second));\
}\
\
const NAME& NAME ## Iterator::getEnum() const\
{\
  return (*(_stditer->second));\
}\
\
int NAME ## Iterator::getValue() const\
{\
  return (_stditer->second->getValue());\
}\
\
const std::string_view NAME ## Iterator::getKey() const\
{\
  return (_stditer->second->getKey());\
}\
\
const std::string_view NAME ## Iterator::getDescr() const\
{\
  return (_stditer->second->getDescr());\
}\
\

ENUM_IMPL

#define ENUM_IMPL	(		NAME,
			x,
			y,
			z
	)		const NAME NAME::x = NAME(#x, y, z);

ENUM_IMPLS

#define ENUM_IMPLS	(		NAME,
			...
	)		EXPAND(REPEAT3(ENUM_IMPL, NAME, __VA_ARGS__))

ENUM_ITEM

#define ENUM_ITEM	(		NAME,
			x,
			y,
			z
	)		E_ ## x = y,

ENUM_ITEMS

#define ENUM_ITEMS	(		NAME,
			...
	)		EXPAND(REPEAT3(ENUM_ITEM, NAME, __VA_ARGS__))