common misc helper functions More...

Functions
std::string	decode64 (const std::string &val)
	decode base64 More...

std::string	encode64 (const std::string &val)
	encode base64 More...

std::string	random_boundary ()
	Create a random boundary for the multipart/form in HTTP.

std::string	escape_string (const std::string &str)
	escape JSON strings when sending them over the socket More...

template<class F , class... Args>
void	for_each_arg (F &&f, Args &&...args)
	expand variadic arguments using a fold expression More...

template<typename T >
T	get_json_value (const std::string key, const nlohmann::json &json_f)
	method to check if the string exists in the actual json

bool	check_json (nlohmann::json &json, const std::string json_str)
	method to check if JSON data is correct

bool	check_error (const nlohmann::json json, const std::string error_str="error")
	function to check if an error has been received from

bool	save_dec_image (std::string data, std::string filename)
	take decoded data and save it into an image More...

Detailed Description

common misc helper functions

Function Documentation

std::string noos::misc::decode64 ( const std::string & val )

inline

decode base64

Parameters

val	must be encoded using base64

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std::string noos::misc::encode64 ( const std::string & val )

inline

encode base64

Parameters

val	must be plain-text string

std::string noos::misc::escape_string ( const std::string & str )

inline

escape JSON strings when sending them over the socket

Parameters

str	will be escaped and returned

template<class F , class... Args>

expand variadic arguments using a fold expression

Parameters

f	of template parameter F is the function (a lambda) receiving the expanded object
args	is the variadic list of args

inline

take decoded data and save it into an image

Parameters

std::string	data is the image data before decoding
filename	is path where to save the image

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