#include "StringUtil.h"


std::vector<std::string> StringUtil::split(std::string str, std::string sep)
{
	std::vector<std::string> vec;
	
	while (str.size() != 0)
	{
		size_t index = str.find(sep);
		if (index)
			vec.push_back(str.substr(0, index));
		else
			vec.push_back("");
		str = str.substr(index + sep.size());
	}

	return vec;
}

std::vector<std::string> StringUtil::split(std::string str, char sep)
{
	std::vector<std::string> vec;

	int i, j;
	for (i = 0, j = 1; j < str.size(); j++)
	{
		if (str[j] == sep)
		{
			if (i == j)
				vec.push_back("");
			else
				vec.push_back(str.substr(i, j - i));
			i = j + 1;
		}
	}

	if (j + 1 != i)
		vec.push_back(str.substr(i, j - 1));

	return vec;
}

std::vector<std::string> StringUtil::splitClean(std::string str, std::string sep)
{
	std::vector<std::string> vec;

	while (str.size() != 0)
	{
		size_t index = str.find(sep);
		if (index)
			vec.push_back(str.substr(0, index));
		str = str.substr(index + sep.size());
	}

	return vec;
}

std::vector<std::string> StringUtil::splitClean(std::string str, char sep)
{
	std::vector<std::string> vec;

	int i, j;
	for (i = 0, j = 1; j < str.size(); j++)
	{
		if (str[j] == sep && i != j)
		{
			vec.push_back(str.substr(i, j - i));
			i = j + 1;
		}
	}

	if (j + 1 != i)
		vec.push_back(str.substr(i, j - 1));

	return vec;
}

std::string StringUtil::strip(std::string str, char sep)
{
	return stripLeft(stripRight(str, sep), sep);
}

std::string StringUtil::stripLeft(std::string str, char sep)
{
	int n;
	for (n = 0; n < str.size(); n++)
		if (str[n] != sep)
			break;
	return str.substr(n);
}

std::string StringUtil::stripRight(std::string str, char sep)
{
	int n;
	for (n = (int)str.size()-1; n > -1; n--)
		if (str[n] != sep)
			break;
	return str.substr(0, n+1);
}