This class provide a set of methods for types conversions. More...

#include <converter.hh>

Public Types
enum	endian_t { big_endian, little_endian }
	Endianess style. More...

Public Member Functions
uint8_t	bcd_to_bin (const uint8_t p_value)
	Convert a Binary Coded Decimal value into a binary value. More...

uint8_t	bin_to_bcd (const uint8_t p_value)
	Convert a binary value into a Binary Coded Decimal value. More...

uint16_t	swap (const uint16_t p_value)
	Swap two bytes length value (e.g. 0xCAFE becomes 0xFECA) More...

int16_t	swap (const int16_t p_value)

uint32_t	swap (const uint32_t p_value)
	Swap four bytes length value (used for littel endian / big endian) More...

int32_t	swap (const int32_t p_value)

std::string	string_to_hexa (const std::string &p_value)
	Convert a string into an hexadecimal string. More...

std::string	bytes_to_hexa (const std::vector< uint8_t > &p_value)
	Convert a bytes array int32_t an hexadecimal string. More...

std::vector< uint8_t >	hexa_to_bytes (const std::string &p_value)
	Convert an hexadecimal string into a bytes array. More...

std::string	time_to_string (const time_t p_time)
	Convert a time in time_t format into a string formated according to RFC 822, 1036, 1123, 2822. More...

std::string	time_to_string (const struct tm &p_time)
	Convert a time in struct tm format into a string formated according to RFC 822, 1036, 1123, 2822. More...

std::vector< uint8_t >	short_to_bytes (const int16_t p_value, const endian_t p_endianess=big_endian) const
	Convert a 16-bits integer (int16_t) into a bytes array. More...

int16_t	bytes_to_short (const std::vector< uint8_t > &p_value, const endian_t p_endianess=big_endian) const
	Convert a bytes array into a 16-bits integer (int16_t) More...

std::vector< uint8_t >	int_to_bytes (const int32_t p_value, const endian_t p_endianess=big_endian) const
	Convert a 32-bits integer (int32_t) into a bytes array. More...

int32_t	bytes_to_int (const std::vector< uint8_t > &p_value, const endian_t p_endianess=big_endian) const
	Convert a bytes array into a 32-bits integer (int32_t) More...

std::vector< uint8_t >	long_to_bytes (const int64_t p_value, const endian_t p_endianess=big_endian) const
	Convert a 64-bits integer (int64_t) into a bytes array. More...

int64_t	bytes_to_long (const std::vector< uint8_t > &p_value, const endian_t p_endianess=big_endian) const
	Convert a bytes array into a 64-bits integer (int64_t) More...

std::vector< uint8_t >	float_to_bytes (const float p_value) const
	Convert a float value into a bytes array. More...

float	bytes_to_float (const std::vector< uint8_t > &p_value) const
	Convert a bytes array into a float. More...

std::vector< uint8_t >	string_to_bytes (const std::string &p_value) const
	Convert a string into a bytes array. More...

std::string	bytes_to_string (const std::vector< uint8_t > &p_value) const
	Convert a bytes array into a string. More...

int32_t	string_to_int (const std::string &p_value) const
	Convert a string into an integer. More...

std::string	int_to_string (const int32_t &p_value) const
	Convert an integer into a string. More...

std::string	trim (const std::string &p_value, const std::string &p_trim_chars=" \)
	Returns a copy of the string, with leading and trailing special characters omitted. More...

std::vector< std::string >	split_arguments_line (const std::string &p_value)
	Convert the provided string into a list of arguments. More...

Static Public Member Functions
static converter &	get_instance ()
	Public accessor to the single object reference. More...

Private Member Functions
	converter ()
	Default private ctor. More...

	~converter ()
	Default private dtor. More...

Static Private Attributes
static converter *	instance = NULL
	Unique static object reference of this class. More...

Detailed Description

This class provide a set of methods for types conversions.

Remarks: Singleton pattern

Member Enumeration Documentation

◆ endian_t

enum converter::endian_t

Endianess style.

Enumerator
big_endian
little_endian

Constructor & Destructor Documentation

◆ converter()

converter::converter ( )

inlineprivate

Default private ctor.

◆ ~converter()

converter::~converter ( )

inlineprivate

Default private dtor.

Member Function Documentation

◆ bcd_to_bin()

uint8_t converter::bcd_to_bin ( const uint8_t p_value )

inline

Convert a Binary Coded Decimal value into a binary value.

Parameters

[in] p_value The BDC value

Returns: The binary value

◆ bin_to_bcd()

uint8_t converter::bin_to_bcd ( const uint8_t p_value )

inline

Convert a binary value into a Binary Coded Decimal value.

Parameters

[in] p_value The binary value

Returns: The BCD value

◆ bytes_to_float()

float converter::bytes_to_float ( const std::vector< uint8_t > & p_value ) const

inline

Convert a bytes array into a float.

Parameters

[in] p_value The bytes array

Returns: The float value

◆ bytes_to_hexa()

std::string converter::bytes_to_hexa ( const std::vector< uint8_t > & p_value )

Convert a bytes array int32_t an hexadecimal string.

Parameters

[in] p_value The bytes array value

Returns: The hexadecimal value

◆ bytes_to_int()

int32_t converter::bytes_to_int	(	const std::vector< uint8_t > &	p_value,
		const endian_t	p_endianess = `big_endian`
	)		const

inline

Convert a bytes array into a 32-bits integer (int32_t)

Parameters

[in]	p_value	The bytes array
[in]	p_endianess	Endianess style. Default: big_endian

Returns: The 32-bits integer on success, LONG_MAX on error (wrong bytes array size)

◆ bytes_to_long()

int64_t converter::bytes_to_long	(	const std::vector< uint8_t > &	p_value,
		const endian_t	p_endianess = `big_endian`
	)		const

inline

Convert a bytes array into a 64-bits integer (int64_t)

Parameters

[in]	p_value	The bytes array
[in]	p_endianess	Endianess style. Default: big_endian

Returns: The 64-bits integer on success, LLONG_MAX on error (wrong bytes array size)

◆ bytes_to_short()

int16_t converter::bytes_to_short	(	const std::vector< uint8_t > &	p_value,
		const endian_t	p_endianess = `big_endian`
	)		const

inline

Convert a bytes array into a 16-bits integer (int16_t)

Parameters

[in]	p_value	The bytes array
[in]	p_endianess	Endianess style. Default: big_endian

Returns: The 16-bits integer on success, SHRT_MAX on error (wrong bytes array size)

◆ bytes_to_string()

std::string converter::bytes_to_string ( const std::vector< uint8_t > & p_value ) const

inline

Convert a bytes array into a string.

Parameters

[in] p_value The bytes array value

Returns: The string value

◆ float_to_bytes()

std::vector<uint8_t> converter::float_to_bytes ( const float p_value ) const

inline

Convert a float value into a bytes array.

Parameters

[in] p_value The float value

Returns: The bytes array value

◆ get_instance()

static converter& converter::get_instance ( )

inlinestatic

Public accessor to the single object reference.

◆ hexa_to_bytes()

std::vector< uint8_t > converter::hexa_to_bytes ( const std::string & p_value )

Convert an hexadecimal string into a bytes array.

Parameters

[in] p_value The hexadecimal value

Returns: The bytes array value

◆ int_to_bytes()

std::vector<uint8_t> converter::int_to_bytes	(	const int32_t	p_value,
		const endian_t	p_endianess = `big_endian`
	)		const

inline

Convert a 32-bits integer (int32_t) into a bytes array.

Parameters

[in]	p_value	The 32-bits integer value
[in]	p_endianess	Endianess style. Default: big_endian

Returns: The bytes array value

◆ int_to_string()

std::string converter::int_to_string ( const int32_t & p_value ) const

inline

Convert an integer into a string.

Parameters

[in] p_value The integer value

Returns: The string value

◆ long_to_bytes()

std::vector<uint8_t> converter::long_to_bytes	(	const int64_t	p_value,
		const endian_t	p_endianess = `big_endian`
	)		const

inline

Convert a 64-bits integer (int64_t) into a bytes array.

Parameters

[in]	p_value	The 64-bits integer value
[in]	p_endianess	Endianess style. Default: big_endian

Returns: The bytes array value

◆ short_to_bytes()

std::vector<uint8_t> converter::short_to_bytes	(	const int16_t	p_value,
		const endian_t	p_endianess = `big_endian`
	)		const

inline

Convert a 16-bits integer (int16_t) into a bytes array.

Parameters

[in]	p_value	The 16-bits integer value
[in]	p_endianess	Endianess style. Default: big_endian

Returns: The bytes array value

◆ split_arguments_line()

std::vector< std::string > converter::split_arguments_line ( const std::string & p_value )

Convert the provided string into a list of arguments.

Parameters

[in] p_value The string value

Returns: The arguments list
std::string str = "--host localhost --port 12345 --duration -1";
std::vector<std::string> tokens = converter::get_instance().split_arguments_line(str);
std::clog << "Tokens: " << std::endl;
for (auto it = tokens.begin(); it != tokens.end(); ++it) {
std::clog << " " << *it << std::endl;
}

◆ string_to_bytes()

std::vector<uint8_t> converter::string_to_bytes ( const std::string & p_value ) const

inline

Convert a string into a bytes array.

Parameters

[in] p_value The string value

Returns: The bytes array value

◆ string_to_hexa()

std::string converter::string_to_hexa ( const std::string & p_value )

Convert a string into an hexadecimal string.

Parameters

[in] p_value The string value

Returns: The hexadecimal value

◆ string_to_int()

int32_t converter::string_to_int ( const std::string & p_value ) const

inline

Convert a string into an integer.

Parameters

[in] p_value The string value

Returns: The integer value

◆ swap() [1/4]

uint16_t converter::swap ( const uint16_t p_value )

Swap two bytes length value (e.g. 0xCAFE becomes 0xFECA)

Parameters

[in] p_value The value to swap

Returns: The swapped value

◆ swap() [2/4]

int16_t converter::swap ( const int16_t p_value )

inline

◆ swap() [3/4]

uint32_t converter::swap ( const uint32_t p_value )

Swap four bytes length value (used for littel endian / big endian)

Parameters

[in] p_value The value to swap

Returns: The swapped value

◆ swap() [4/4]

int32_t converter::swap ( const int32_t p_value )

inline

◆ time_to_string() [1/2]

std::string converter::time_to_string ( const time_t p_time )

Convert a time in time_t format into a string formated according to RFC 822, 1036, 1123, 2822.

Parameters

[in] p_time The time to convert in time_t format

Returns: The time string formated

See also: http://www.unixtimestamp.com/
std::string result = time_to_string(1489755780);
result.compare("Fri, 17 Mar 2017 13:03:00 +0000") == 0 // When time zone is set to UTC

Remarks: Use commands 1) timedatectl to change your machine timezone (e.g. sudo timedatectl set-timezone UTC to change machine timezone to UTC, 2) timedatectl list-timezones to get the list of the timezones)

◆ time_to_string() [2/2]

std::string converter::time_to_string ( const struct tm & p_time )

Convert a time in struct tm format into a string formated according to RFC 822, 1036, 1123, 2822.

Parameters

[in] p_time The time to convert in struct tm format

Returns: The time string formated

See also: http://www.unixtimestamp.com/

◆ trim()

std::string converter::trim	(	const std::string &	p_value,
		const std::string &	p_trim_chars = `" \t"`
	)

Returns a copy of the string, with leading and trailing special characters omitted.

Parameters

[in]	p_value	The string value
[in]	p_trim_chars	The special characters to be omitted. Default: ' ' and TAB

Returns: The new string value

Member Data Documentation

◆ instance

converter * converter::instance = NULL

staticprivate

Unique static object reference of this class.

The documentation for this class was generated from the following files:

/home/vagrant/TriesAndDelete/etsi_its/framework/include/converter.hh
/home/vagrant/TriesAndDelete/etsi_its/framework/src/converter.cc

Public Types

Public Member Functions

Static Public Member Functions

Private Member Functions

Static Private Attributes

Detailed Description

Member Enumeration Documentation

◆ endian_t

Constructor & Destructor Documentation

◆ converter()

◆ ~converter()

Member Function Documentation

◆ bcd_to_bin()

◆ bin_to_bcd()

◆ bytes_to_float()

◆ bytes_to_hexa()

◆ bytes_to_int()

◆ bytes_to_long()

◆ bytes_to_short()

◆ bytes_to_string()

◆ float_to_bytes()

◆ get_instance()

◆ hexa_to_bytes()

◆ int_to_bytes()

◆ int_to_string()

◆ long_to_bytes()

◆ short_to_bytes()

◆ split_arguments_line()

◆ string_to_bytes()

◆ string_to_hexa()

◆ string_to_int()

◆ swap() [1/4]

◆ swap() [2/4]

◆ swap() [3/4]

◆ swap() [4/4]

◆ time_to_string() [1/2]

◆ time_to_string() [2/2]

◆ trim()

Member Data Documentation

◆ instance