//
// Copyright 2009 Illumina, Inc.
//
// This software is covered by the "Illumina Genome Analyzer Software
// License Agreement" and the "Illumina Source Code License Agreement",
// and certain third party copyright/licenses, and any user of this
// source file is bound by the terms therein (see accompanying files
// Illumina_Genome_Analyzer_Software_License_Agreement.pdf and
// Illumina_Source_Code_License_Agreement.pdf and third party
// copyright/license notices).
//
//

/// \file

/// \author Ivan Mikoulitch
///

#include "stringSplitter.h"

//////////////////////////////////////////////////////////////////////
StringSplitter::StringSplitter(const string& str) : str_(str)
{
	ProcessString();
}

//////////////////////////////////////////////////////////////////////
StringSplitter::~StringSplitter(void)
{
}

//////////////////////////////////////////////////////////////////////
void StringSplitter::ProcessString()
{
	indexes_.push_back(-1);

	string::const_iterator s_it = str_.begin();

	int index=0;

	while(s_it!=str_.end())
	{
		if (*s_it=='\t') indexes_.push_back(index);
		++s_it;
		++index;
	}

	indexes_.push_back(index);

	return;
}

//////////////////////////////////////////////////////////////////////
// index is one based; first element = 1.
string StringSplitter::GetString(int start_index, int end_index/*=0*/)
{
	int start  = indexes_[start_index-1]+1;
	int length = indexes_[end_index==0?start_index:end_index] - start;
	string str = str_.substr(start, length);
	return str;
}

//////////////////////////////////////////////////////////////////////
// index is one based; first element = 1.
string StringSplitter::GetStringEnd(unsigned int start_index)
{ // ivan to test
	if(start_index>=indexes_.size()) return "";

	int start  = indexes_[start_index-1]+1;
	int length = str_.size() - start;
	string str = str_.substr(start, length);
	return str;
}