Class Variant

• Defined in File Variant.h

Nested Relationships

Nested Types

• Class Variant::bad_conversion

Class Documentation

class Variant

storage container for data types as e.g. int, float, string, etc.

Allows storage of multiple data types in one base class. used to construct a map of `arbitrarry’ data types.

Public Types

enum Type

Values:

TYPE_NONE = 0

TYPE_BOOL

TYPE_CHAR

TYPE_UCHAR

TYPE_INT16

TYPE_UINT16

TYPE_INT32

TYPE_UINT32

TYPE_INT64

TYPE_UINT64

TYPE_FLOAT

TYPE_DOUBLE

TYPE_STRING

Public Functions

Variant()

~Variant()

Variant(const Variant &a)

const std::type_info &getTypeInfo() const

const char *getTypeName() const

size_t copyToBuffer(void *buffer)

size_t getSize() const

returns size of used data type in bytes

template <class T>
T to() const

Type getType() const

bool operator==(const Variant &a) const

bool operator!=(const Variant &a) const

Variant &operator=(const Variant &a)

bool isValid()

VARIANT_ADD_TYPE_DECL_POD(Bool, TYPE_BOOL, bool)

char VARIANT_ADD_TYPE_DECL_POD(UChar, TYPE_UCHAR, unsigned char)

char int16_t VARIANT_ADD_TYPE_DECL_POD(UInt16, TYPE_UINT16, uint16_t)

char int16_t int32_t VARIANT_ADD_TYPE_DECL_POD(UInt32, TYPE_UINT32, uint32_t)

char int16_t int32_t int64_t VARIANT_ADD_TYPE_DECL_POD(UInt64, TYPE_UINT64, uint64_t)

char int16_t int32_t int64_t float VARIANT_ADD_TYPE_DECL_POD(Double, TYPE_DOUBLE, double)

Variant(const char *s)

std::string toString() const

operator std::string() const

bool operator!=(const char *a) const

void clear()

Public Members

TYPE_CHAR

char TYPE_INT16

char int16_t TYPE_INT32

char int16_t int32_t TYPE_INT64

char int16_t int32_t int64_t TYPE_FLOAT

char int16_t int32_t int64_t float TYPE_STRING

bool _Bool

char _Char

unsigned char _UChar

int16_t _Int16

uint16_t _UInt16

int32_t _Int32

uint32_t _UInt32

int64_t _Int64

uint64_t _UInt64

double _Double

float _Float

std::string *_String

Public Static Functions

Variant::Type toType(const std::string &name)

const char *getTypeName(Type type)

Variant fromString(const std::string &str, Type type)

Protected Attributes

Type type

union crpropa::Variant::@3 data

class bad_conversion : public exception

Public Functions

const char *what() const

bad_conversion(Type f, Type t)

~bad_conversion()