FMM::UTIL Namespace Reference

Utility functions. More...

Typedefs
typedef std::chrono::steady_clock::time_point	TimePoint
	Time point.

Functions
bool	file_exists (const char *filename)
	Check if file exist or not. More...
bool	file_exists (const std::string &filename)
	Check if file exist or not. More...
std::vector< std::string >	split_string (const std::string &str)
	Split a string containing string separated by , into a vector of string. More...
bool	string2bool (const std::string &str)
	Convert string to bool. More...
std::chrono::time_point< std::chrono::system_clock >	get_current_time ()
	Get current timestamp. More...
void	print_time (const std::chrono::time_point< std::chrono::system_clock > &start_time)
	Print a timestamp. More...
double	get_duration (const std::chrono::time_point< std::chrono::system_clock > &start_time, const std::chrono::time_point< std::chrono::system_clock > &end_time)
	Calculate the duration between two time points. More...
bool	check_file_extension (const std::string &filename, const std::string &extension_list_str)
	Check if the filename has an extension in the list. More...
bool	folder_exist (const std::string &folder_name)
	Check if folder exists or not. More...
std::string	get_file_directory (const std::string &fn)
	Get folder path from file path. More...
std::string	bool2string (bool value)
	Convert bool to string. More...
template<typename T >
std::string	vec2string (const std::vector< T > &vec)
	Convert a vector of type into a string with delimiter of ,. More...
template<typename T >
std::vector< T >	string2vec (const std::string &str)
	Convert string to vector. More...

Variables
static const std::vector< std::string >	LOG_LEVESLS
	Log level strings for printing the log level information. More...

Detailed Description

Utility functions.

Function Documentation

bool2string()

std::string FMM::UTIL::bool2string ( bool  value )

inline

Convert bool to string.

Parameters

value

bool value

Returns

"true" if value is true

Definition at line 127 of file util.hpp.

check_file_extension()

bool FMM::UTIL::check_file_extension	(	const std::string &	filename,
		const std::string &	extension_list_str
	)

Check if the filename has an extension in the list.

Parameters

filename
extension_list_str	a list of string separated by ,

Returns

true if file extension is in the list

Definition at line 105 of file util.cpp.

file_exists() [1/2]

bool FMM::UTIL::file_exists

(

const char *

filename

)

Check if file exist or not.

Parameters

filename

file name

Returns

true if file exists

Definition at line 61 of file util.cpp.

file_exists() [2/2]

bool FMM::UTIL::file_exists

(

const std::string &

filename

)

Check if file exist or not.

Parameters

filename

file name

Returns

true if file exists

Definition at line 69 of file util.cpp.

folder_exist()

bool FMM::UTIL::folder_exist

(

const std::string &

folder_name

)

Check if folder exists or not.

Parameters

folder_name

folder name

Returns

true if folder exists

Definition at line 120 of file util.cpp.

get_current_time()

std::chrono::time_point< std::chrono::system_clock > FMM::UTIL::get_current_time

(

)

Get current timestamp.

Returns

a timestamp point

Definition at line 88 of file util.cpp.

get_duration()

double FMM::UTIL::get_duration	(	const std::chrono::time_point< std::chrono::system_clock > &	start_time,
		const std::chrono::time_point< std::chrono::system_clock > &	end_time
	)

Calculate the duration between two time points.

Parameters

start_time	start time point
end_time	end time point

Returns

the duration between two time points

Definition at line 99 of file util.cpp.

get_file_directory()

std::string FMM::UTIL::get_file_directory

(

const std::string &

fn

)

Get folder path from file path.

Parameters

fn

File path

Returns

Folder path to a file

Definition at line 129 of file util.cpp.

print_time()

void FMM::UTIL::print_time

(

const std::chrono::time_point< std::chrono::system_clock > &

start_time

)

Print a timestamp.

Parameters

start_time

timestamp point

Definition at line 93 of file util.cpp.

split_string()

std::vector< std::string > FMM::UTIL::split_string

(

const std::string &

str

)

Split a string containing string separated by , into a vector of string.

Parameters

str	input string

Returns

a vector of strings

Definition at line 73 of file util.cpp.

string2bool()

bool FMM::UTIL::string2bool

(

const std::string &

str

)

Convert string to bool.

Parameters

str	input string

Returns

true if str equals "true", "t" or "1";

Definition at line 84 of file util.cpp.

string2vec()

template<typename T >

std::vector<T> FMM::UTIL::string2vec

(

const std::string &

str

)

Convert string to vector.

Parameters

str	a string containing a list of values separated by ,

Returns

a vector of values

Definition at line 163 of file util.hpp.

vec2string()

template<typename T >

std::string FMM::UTIL::vec2string

(

const std::vector< T > &

vec

)

Convert a vector of type into a string with delimiter of ,.

Parameters

vec	input vector

Returns

a string of values in the vector delimited by ,

Definition at line 146 of file util.hpp.

Variable Documentation

LOG_LEVESLS

const std::vector<std::string> FMM::UTIL::LOG_LEVESLS

static

Initial value:

{"0-trace","1-debug","2-info",
                 "3-warn","4-err","5-critical","6-off"}

Log level strings for printing the log level information.

Definition at line 28 of file debug.hpp.