#include "cgi_utils.hpp"

std::string	trim(std::string str, char del)
{
	size_t	pos;

	// delete leadings del
	pos = str.find_first_not_of(del);
	if (pos == NPOS)
		pos = str.size();
	str = str.substr(pos);

	// delete trailing del
	pos = str.find_last_not_of(del);
	if (pos != NPOS)
		str = str.substr(0, pos + 1);

	return str;
}

std::vector<std::string>
	split(const std::string & input, std::string delim, char ctrim)
{
	std::vector<std::string>	split_str;
	std::string					tmp;
	size_t						start = 0;
	size_t						end = 0;
	size_t						len = 0;

	while (end != NPOS)
	{
		end = input.find(delim, start);
		len = end - start;
		if (end == NPOS)
			len = end;
		tmp = input.substr(start, len);
		if (ctrim != '\0')
			tmp = trim(tmp, ctrim);
		if (tmp.size() != 0)
			split_str.push_back( tmp );
		start = end + delim.size();
	}
	return split_str;
}

std::string	itos(int n)
{
	std::stringstream	strs;

	strs << n;
	return ( strs.str() );
}

std::string fill_env(std::string env, std::string tag)
{
	std::string ret;
	char *		ret_env;

	ret = "<";
	ret += tag;
	ret += ">";

	ret_env = getenv(env.c_str());
	if (ret_env != NULL)
		ret += ret_env;
	else
	{
		ret += env;
		ret += " not foud";
	}

	ret += "</";
	ret += tag;
	ret += ">";

	return ret;
}