crawlservpp::Data::Value Struct Reference

A generic value. More...

#include <Data.hpp>

Public Types
enum	_if_too_large { _error, _trim, _empty, _null }
	Enumeration for the action that will be performed if a string is too large for the database. More...

Public Member Functions
	Value ()=default
	Default constructor initializing a null value. More...
	Value (bool value)
	Constructor initializing a boolean value. More...
	Value (std::int32_t value)
	Constructor initializing a 32-bit integer. More...
	Value (std::uint32_t value)
	Constructor initializing an unsigned 32-bit integer. More...
	Value (std::int64_t value)
	Constructor initializing a 64-bit integer. More...
	Value (std::uint64_t value)
	Constructor initializing an unsigned 64-bit integer. More...
	Value (double value)
	Constructor initializing a floating point value (with double precision). More...
	Value (const std::string &value)
	Constructor initializing a string value. More...
void	clear ()
	Clears the current value and re-initializes it as null value. More...

Public Attributes
union {
bool   _b
	Boolean value. More...
std::int32_t   _i32
	32-bit integer value. More...
std::uint32_t   _ui32
	Unsigned 32-bit integer value. More...
std::int64_t   _i64
	64-bit integer value. More...
std::uint64_t   _ui64 {}
	Unsigned 64-bit integer value. More...
double   _d
	Floating point value (with double precision). More...
};
	Union for numeric (including boolean) values. More...
std::string	_s
	String value. More...
bool	_isnull {true}
	Null value. More...
enum crawlservpp::Data::Value::_if_too_large	_error
	Action that will be performed if a string is too large for the database. More...

Detailed Description

A generic value.

The value can be boolean, numeric, null or a string.

Member Enumeration Documentation

_if_too_large

enum crawlservpp::Data::Value::_if_too_large

Enumeration for the action that will be performed if a string is too large for the database.

Enumerator
_error	Throw a Database::Exception.
_trim	Trim the string to an acceptable size.
_empty	Use an empty string instead.
_null	Use a null value instead.

Constructor & Destructor Documentation

Value() [1/8]

crawlservpp::Data::Value::Value ( )

default

Default constructor initializing a null value.

Referenced by clear().

Value() [2/8]

crawlservpp::Data::Value::Value ( bool  value )

inlineexplicit

Constructor initializing a boolean value.

Parameters

value

The boolean value to be set.

Value() [3/8]

crawlservpp::Data::Value::Value ( std::int32_t  value )

inlineexplicit

Constructor initializing a 32-bit integer.

Parameters

value

The 32-bit integer value to be set.

Value() [4/8]

crawlservpp::Data::Value::Value ( std::uint32_t  value )

inlineexplicit

Constructor initializing an unsigned 32-bit integer.

Parameters

value

The unsigned 32-bit integer value to be set.

Value() [5/8]

crawlservpp::Data::Value::Value ( std::int64_t  value )

inlineexplicit

Constructor initializing a 64-bit integer.

Parameters

value

The 64-bit integer value to be set.

Value() [6/8]

crawlservpp::Data::Value::Value ( std::uint64_t  value )

inlineexplicit

Constructor initializing an unsigned 64-bit integer.

Parameters

value

The unsigned 64-bit integer value to be set.

Value() [7/8]

crawlservpp::Data::Value::Value ( double  value )

inlineexplicit

Constructor initializing a floating point value (with double precision).

Parameters

value

The floating point value to be set.

Value() [8/8]

crawlservpp::Data::Value::Value ( const std::string &  value )

inlineexplicit

Constructor initializing a string value.

Parameters

value

Constant reference to a string containing the string value to be set.

Member Function Documentation

clear()

void crawlservpp::Data::Value::clear ( )

inline

Clears the current value and re-initializes it as null value.

References Value().

Member Data Documentation

@1

union { ... }

Union for numeric (including boolean) values.

_b

bool crawlservpp::Data::Value::_b

Boolean value.

Referenced by crawlservpp::Main::Database::insertCustomData(), and crawlservpp::Main::Database::updateCustomData().

_d

double crawlservpp::Data::Value::_d

Floating point value (with double precision).

Referenced by crawlservpp::Main::Database::insertCustomData(), and crawlservpp::Main::Database::updateCustomData().

_error

enum crawlservpp::Data::Value::_if_too_large crawlservpp::Data::Value::_error

Action that will be performed if a string is too large for the database.

On default, a Database::Exception will be thrown.

_i32

std::int32_t crawlservpp::Data::Value::_i32

32-bit integer value.

Referenced by crawlservpp::Main::Database::insertCustomData(), and crawlservpp::Main::Database::updateCustomData().

_i64

std::int64_t crawlservpp::Data::Value::_i64

64-bit integer value.

Referenced by crawlservpp::Main::Database::insertCustomData(), and crawlservpp::Main::Database::updateCustomData().

_isnull

bool crawlservpp::Data::Value::_isnull {true}

Null value.

Referenced by crawlservpp::Main::Database::insertCustomData(), and crawlservpp::Main::Database::updateCustomData().

_s

std::string crawlservpp::Data::Value::_s

String value.

Referenced by crawlservpp::Main::Database::insertCustomData(), and crawlservpp::Main::Database::updateCustomData().

_ui32

std::uint32_t crawlservpp::Data::Value::_ui32

Unsigned 32-bit integer value.

Referenced by crawlservpp::Main::Database::insertCustomData(), and crawlservpp::Main::Database::updateCustomData().

_ui64

std::uint64_t crawlservpp::Data::Value::_ui64 {}

Unsigned 64-bit integer value.

Referenced by crawlservpp::Main::Database::insertCustomData(), and crawlservpp::Main::Database::updateCustomData().

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The documentation for this struct was generated from the following file:

• Data/Data.hpp