arser::internal Namespace Reference

Functions
template<typename T >
T	lexical_cast (const std::string &str)
template<>
bool	lexical_cast (const std::string &str)
template<typename T >
std::string	to_string (const T value)
template<>
std::string	to_string (const char *value)
template<>
std::string	to_string (const bool value)
std::string	remove_dash (const std::string &str)
	Returns the string with the leading dash removed.
std::string	make_comma_concatenated (const std::vector< std::string > &vec)
	Returns the string that created by concatenating the elements of a vector with commas.

Function Documentation

lexical_cast() [1/2]

template<typename T >

T arser::internal::lexical_cast

(

const std::string &

str

)

Definition at line 43 of file arser.h.

{
  std::istringstream ss;
  ss.str(str);
  T data;
  ss >> data;
  return data;
}

lexical_cast() [2/2]

template<>

bool arser::internal::lexical_cast ( const std::string &  str )

inline

Definition at line 52 of file arser.h.

{
  bool data = true;
  if (str == "false" || str == "False" || str == "FALSE" || str == "0")
    data = false;
  return data;
}

make_comma_concatenated()

std::string arser::internal::make_comma_concatenated ( const std::vector< std::string > &  vec )

inline

Returns the string that created by concatenating the elements of a vector with commas.

Definition at line 83 of file arser.h.

{
  std::ostringstream oss;
  std::copy(vec.begin(), std::prev(vec.end()), std::ostream_iterator<std::string>(oss, ", "));
  oss << vec.back();
  return oss.str();
}

remove_dash()

std::string arser::internal::remove_dash ( const std::string &  str )

inline

Returns the string with the leading dash removed.

If there is no dash, it returns as it is.

Definition at line 71 of file arser.h.

{
  std::string ret{str};
  auto pos = ret.find_first_not_of('-');
  if (pos == std::string::npos)
    return ret;
  return ret.substr(pos);
}

to_string() [1/3]

template<>

std::string arser::internal::to_string ( const bool  value )

inline

Definition at line 64 of file arser.h.

{ return value ? "true" : "false"; }

to_string() [2/3]

template<>

std::string arser::internal::to_string ( const char *  value )

inline

Definition at line 62 of file arser.h.

{ return std::string(value); }

to_string() [3/3]

template<typename T >

std::string arser::internal::to_string ( const T  value )

inline

Definition at line 60 of file arser.h.

{ return std::to_string(value); }

Referenced by arser::Argument::default_value(), and arser::Argument::default_value().