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better serialisable enums (can be encapsulated into classes)

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This commit is contained in:
Antonin Portelli 2016-12-20 12:31:49 +01:00
parent 8a337f3070
commit f8d11ff673
2 changed files with 72 additions and 97 deletions
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39
lib/serialisation/BaseIO.h
View File

@ -83,12 +83,7 @@ namespace Grid {
typename std::enable_if<std::is_base_of<Serializable, U>::value, void>::type
write(const std::string& s, const U &output);
template <typename U>
typename std::enable_if<std::is_enum<U>::value, void>::type
write(const std::string& s, const U &output);
template <typename U>
typename std::enable_if<
!(std::is_base_of<Serializable, U>::value or std::is_enum<U>::value),
void>::type
typename std::enable_if<!std::is_base_of<Serializable, U>::value, void>::type
write(const std::string& s, const U &output);
private:
T *upcast;
@ -107,12 +102,7 @@ namespace Grid {
typename std::enable_if<std::is_base_of<Serializable, U>::value, void>::type
read(const std::string& s, U &output);
template <typename U>
typename std::enable_if<std::is_enum<U>::value, void>::type
read(const std::string& s, U &output);
template <typename U>
typename std::enable_if<
!(std::is_base_of<Serializable, U>::value or std::is_enum<U>::value),
void>::type
typename std::enable_if<!std::is_base_of<Serializable, U>::value, void>::type
read(const std::string& s, U &output);
protected:
template <typename U>
@ -221,17 +211,7 @@ namespace Grid {
template <typename T>
template <typename U>
typename std::enable_if<std::is_enum<U>::value, void>::type
Writer<T>::write(const std::string &s, const U &output)
{
EnumIO<U>::write(*this, s, output);
}
template <typename T>
template <typename U>
typename std::enable_if<
!(std::is_base_of<Serializable, U>::value or std::is_enum<U>::value),
void>::type
typename std::enable_if<!std::is_base_of<Serializable, U>::value, void>::type
Writer<T>::write(const std::string &s, const U &output)
{
upcast->writeDefault(s, output);
@ -266,17 +246,7 @@ namespace Grid {
template <typename T>
template <typename U>
typename std::enable_if<std::is_enum<U>::value, void>::type
Reader<T>::read(const std::string &s, U &output)
{
EnumIO<U>::read(*this, s, output);
}
template <typename T>
template <typename U>
typename std::enable_if<
!(std::is_base_of<Serializable, U>::value or std::is_enum<U>::value),
void>::type
typename std::enable_if<!std::is_base_of<Serializable, U>::value, void>::type
Reader<T>::read(const std::string &s, U &output)
{
upcast->readDefault(s, output);
@ -300,7 +270,6 @@ namespace Grid {
abort();
}
}
}
#endif

130
lib/serialisation/MacroMagic.h
View File

@ -114,35 +114,33 @@ THE SOFTWARE.
#define GRID_MACRO_WRITE_MEMBER(A,B) Grid::write(WR,#B,obj. B);
#define GRID_SERIALIZABLE_CLASS_MEMBERS(cname,...) \
\
\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_MEMBER,__VA_ARGS__)) \
\
\
template <typename T>\
static inline void write(Writer<T> &WR,const std::string &s, const cname &obj){ \
push(WR,s);\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_WRITE_MEMBER,__VA_ARGS__)) \
pop(WR);\
} \
\
\
template <typename T>\
static inline void read(Reader<T> &RD,const std::string &s, cname &obj){ \
push(RD,s);\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_READ_MEMBER,__VA_ARGS__)) \
pop(RD);\
} \
\
\
friend inline std::ostream & operator << (std::ostream &os, const cname &obj ) { \
os<<"class "<<#cname<<" {"<<std::endl;\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_OS_WRITE_MEMBER,__VA_ARGS__)) \
os<<"}"; \
return os;\
};
\
\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_MEMBER,__VA_ARGS__)) \
\
\
template <typename T>\
static inline void write(Writer<T> &WR,const std::string &s, const cname &obj){ \
push(WR,s);\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_WRITE_MEMBER,__VA_ARGS__)) \
pop(WR);\
} \
\
\
template <typename T>\
static inline void read(Reader<T> &RD,const std::string &s, cname &obj){ \
push(RD,s);\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_READ_MEMBER,__VA_ARGS__)) \
pop(RD);\
} \
\
\
friend inline std::ostream & operator << (std::ostream &os, const cname &obj ) { \
os<<"class "<<#cname<<" {"<<std::endl;\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_OS_WRITE_MEMBER,__VA_ARGS__)) \
os<<"}"; \
return os;\
};
#define GRID_ENUM_TYPE(obj) std::remove_reference<decltype(obj)>::type
#define GRID_MACRO_ENUMVAL(A,B) A = B,
@ -150,44 +148,52 @@ THE SOFTWARE.
#define GRID_MACRO_ENUMTEST(A,B) else if (buf == #A) {obj = GRID_ENUM_TYPE(obj)::A;}
#define GRID_MACRO_ENUMCASEIO(A,B) case GRID_ENUM_TYPE(obj)::A: os << #A; break;
namespace Grid {
template <typename U>
class EnumIO {};
}
#define GRID_SERIALIZABLE_ENUM(name,undefname,...)\
enum class name {\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_ENUMVAL,__VA_ARGS__))\
undefname = -1\
class name: public Serializable\
{\
public:\
enum EnumType\
{\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_ENUMVAL,__VA_ARGS__))\
undefname = -1\
};\
public:\
name(void): value_(undefname) {};\
name(EnumType value): value_(value) {};\
template <typename T>\
static inline void write(Writer<T> &WR,const std::string &s, const name &obj)\
{\
switch (obj.value_)\
{\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_ENUMCASE,__VA_ARGS__))\
default: Grid::write(WR,s,#undefname); break;\
}\
}\
\
template<>\
class EnumIO<name> {\
public:\
template <typename T>\
static inline void write(Writer<T> &WR,const std::string &s, const name &obj){ \
switch (obj) {\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_ENUMCASE,__VA_ARGS__))\
default: Grid::write(WR,s,#undefname); break;\
}\
}\
\
template <typename T>\
static inline void read(Reader<T> &RD,const std::string &s, name &obj){ \
std::string buf;\
Grid::read(RD, s, buf);\
if (buf == #undefname) {obj = name::undefname;}\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_ENUMTEST,__VA_ARGS__))\
else {obj = name::undefname;}\
}\
};\
\
inline std::ostream & operator << (std::ostream &os, const name &obj ) { \
template <typename T>\
static inline void read(Reader<T> &RD,const std::string &s, name &obj)\
{\
std::string buf;\
Grid::read(RD, s, buf);\
if (buf == #undefname) {obj = name::undefname;}\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_ENUMTEST,__VA_ARGS__))\
else {obj = name::undefname;}\
}\
inline operator EnumType(void) const\
{\
return value_;\
}\
inline friend std::ostream & operator<<(std::ostream &os, const name &obj)\
{\
switch (obj) {\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_ENUMCASEIO,__VA_ARGS__))\
default: os << #undefname; break;\
GRID_MACRO_EVAL(GRID_MACRO_MAP(GRID_MACRO_ENUMCASEIO,__VA_ARGS__))\
default: os << #undefname; break;\
}\
return os;\
};
}\
private:\
EnumType value_;\
};
#endif