/*
  Copyright (C) 2010 spx

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "StdAfx.h"
#include "Group.h"
#include "ConfigParser.h"

/*
** InitializeGroup
**
**
*/
void CGroup::InitializeGroup(const std::wstring& groups)
{
	if (groups != m_OldGroups)
	{
		m_OldGroups = groups;
		m_Groups.clear();

		if (!groups.empty())
		{
			std::vector<std::wstring> vGroups = CConfigParser::Tokenize(groups, L"|");

			std::vector<std::wstring>::const_iterator iter = vGroups.begin();
			for ( ; iter != vGroups.end(); ++iter)
			{
				std::wstring group = CreateGroup(*iter);
				if (!group.empty())
				{
					m_Groups.insert(group);
				}
			}
		}
	}
}

/*
** BelongsToGroup
**
**
*/
bool CGroup::BelongsToGroup(const std::wstring& group)
{
	return (m_Groups.find(CreateGroup(group)) != m_Groups.end());
}

std::wstring CGroup::CreateGroup(const std::wstring& str)
{
	std::wstring strTmp;

	std::wstring::size_type pos = str.find_first_not_of(L" \t\r\n");
	if (pos != std::wstring::npos)
	{
		std::wstring::size_type lastPos = str.find_last_not_of(L" \t\r\n");
		if (pos != 0 || lastPos != (str.length() - 1))
		{
			// Trim white-space
			strTmp.swap(std::wstring(str, pos, lastPos - pos + 1));
		}
		else
		{
			strTmp = str;
		}

		// Convert to lower
		std::transform(strTmp.begin(), strTmp.end(), strTmp.begin(), ::towlower);
	}

	return strTmp;
}